[tor-commits] [tor/master] Generate trunnel impls and include into build

commit 240f33e3274fd0e9c2f97f6d3cb1e0f99263e9c7 Author: rl1987 rl1987@sdf.lonestar.org Date: Sun May 13 14:13:15 2018 +0200

Generate trunnel impls and include into build --- src/trunnel/include.am | 9 +- src/trunnel/socks5.c | 5054 ++++++++++++++++++++++++++++++++++++++++++++++++ src/trunnel/socks5.h | 1370 +++++++++++++ 3 files changed, 6430 insertions(+), 3 deletions(-)

diff --git a/src/trunnel/include.am b/src/trunnel/include.am index 5a0a79c3a..03c1753e9 100644 --- a/src/trunnel/include.am +++ b/src/trunnel/include.am @@ -10,7 +10,8 @@ TRUNNELINPUTS = \ src/trunnel/ed25519_cert.trunnel \ src/trunnel/link_handshake.trunnel \ src/trunnel/pwbox.trunnel \ - src/trunnel/channelpadding_negotiation.trunnel + src/trunnel/channelpadding_negotiation.trunnel \ + src/trunner/socks5.trunnel

TRUNNELSOURCES = \ src/ext/trunnel/trunnel.c \ @@ -21,7 +22,8 @@ TRUNNELSOURCES = \ src/trunnel/hs/cell_establish_intro.c \ src/trunnel/hs/cell_introduce1.c \ src/trunnel/hs/cell_rendezvous.c \ - src/trunnel/channelpadding_negotiation.c + src/trunnel/channelpadding_negotiation.c \ + src/trunnel/socks5.c

TRUNNELHEADERS = \ src/ext/trunnel/trunnel.h \ @@ -34,7 +36,8 @@ TRUNNELHEADERS = \ src/trunnel/hs/cell_establish_intro.h \ src/trunnel/hs/cell_introduce1.h \ src/trunnel/hs/cell_rendezvous.h \ - src/trunnel/channelpadding_negotiation.h + src/trunnel/channelpadding_negotiation.h \ + src/trunnel/socks5.h

src_trunnel_libor_trunnel_a_SOURCES = $(TRUNNELSOURCES) src_trunnel_libor_trunnel_a_CPPFLAGS = \ diff --git a/src/trunnel/socks5.c b/src/trunnel/socks5.c new file mode 100644 index 000000000..7bc6e5fe7 --- /dev/null +++ b/src/trunnel/socks5.c @@ -0,0 +1,5054 @@ +/* socks5.c -- generated by Trunnel v1.5.2. + * https://gitweb.torproject.org/trunnel.git + * You probably shouldn't edit this file. + */ +#include <stdlib.h> +#include "trunnel-impl.h" + +#include "socks5.h" + +#define TRUNNEL_SET_ERROR_CODE(obj) \ + do { \ + (obj)->trunnel_error_code_ = 1; \ + } while (0) + +#if defined(__COVERITY__) || defined(__clang_analyzer__) +/* If we're running a static analysis tool, we don't want it to complain + * that some of our remaining-bytes checks are dead-code. */ +int socks_deadcode_dummy__ = 0; +#define OR_DEADCODE_DUMMY || socks_deadcode_dummy__ +#else +#define OR_DEADCODE_DUMMY +#endif + +#define CHECK_REMAINING(nbytes, label) \ + do { \ + if (remaining < (nbytes) OR_DEADCODE_DUMMY) { \ + goto label; \ + } \ + } while (0) + +domainname_t * +domainname_new(void) +{ + domainname_t *val = trunnel_calloc(1, sizeof(domainname_t)); + if (NULL == val) + return NULL; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +domainname_clear(domainname_t *obj) +{ + (void) obj; + TRUNNEL_DYNARRAY_WIPE(&obj->name); + TRUNNEL_DYNARRAY_CLEAR(&obj->name); +} + +void +domainname_free(domainname_t *obj) +{ + if (obj == NULL) + return; + domainname_clear(obj); + trunnel_memwipe(obj, sizeof(domainname_t)); + trunnel_free_(obj); +} + +uint8_t +domainname_get_len(const domainname_t *inp) +{ + return inp->len; +} +int +domainname_set_len(domainname_t *inp, uint8_t val) +{ + inp->len = val; + return 0; +} +size_t +domainname_getlen_name(const domainname_t *inp) +{ + return TRUNNEL_DYNARRAY_LEN(&inp->name); +} + +char +domainname_get_name(domainname_t *inp, size_t idx) +{ + return TRUNNEL_DYNARRAY_GET(&inp->name, idx); +} + +char +domainname_getconst_name(const domainname_t *inp, size_t idx) +{ + return domainname_get_name((domainname_t*)inp, idx); +} +int +domainname_set_name(domainname_t *inp, size_t idx, char elt) +{ + TRUNNEL_DYNARRAY_SET(&inp->name, idx, elt); + return 0; +} +int +domainname_add_name(domainname_t *inp, char elt) +{ +#if SIZE_MAX >= UINT8_MAX + if (inp->name.n_ == UINT8_MAX) + goto trunnel_alloc_failed; +#endif + TRUNNEL_DYNARRAY_ADD(char, &inp->name, elt, {}); + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} + +char * +domainname_getarray_name(domainname_t *inp) +{ + return inp->name.elts_; +} +const char * +domainname_getconstarray_name(const domainname_t *inp) +{ + return (const char *)domainname_getarray_name((domainname_t*)inp); +} +int +domainname_setlen_name(domainname_t *inp, size_t newlen) +{ +#if UINT8_MAX < SIZE_MAX + if (newlen > UINT8_MAX) + goto trunnel_alloc_failed; +#endif + return trunnel_string_setlen(&inp->name, newlen, + &inp->trunnel_error_code_); + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} +const char * +domainname_getstr_name(domainname_t *inp) +{ + return trunnel_string_getstr(&inp->name); +} +int +domainname_setstr0_name(domainname_t *inp, const char *val, size_t len) +{ +#if UINT8_MAX < SIZE_MAX + if (len > UINT8_MAX) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } +#endif + return trunnel_string_setstr0(&inp->name, val, len, &inp->trunnel_error_code_); +} +int +domainname_setstr_name(domainname_t *inp, const char *val) +{ + return domainname_setstr0_name(inp, val, strlen(val)); +} +const char * +domainname_check(const domainname_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (TRUNNEL_DYNARRAY_LEN(&obj->name) != obj->len) + return "Length mismatch for name"; + return NULL; +} + +ssize_t +domainname_encoded_len(const domainname_t *obj) +{ + ssize_t result = 0; + + if (NULL != domainname_check(obj)) + return -1; + + + /* Length of u8 len */ + result += 1; + + /* Length of char name[len] */ + result += TRUNNEL_DYNARRAY_LEN(&obj->name); + return result; +} +int +domainname_clear_errors(domainname_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +domainname_encode(uint8_t *output, const size_t avail, const domainname_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = domainname_encoded_len(obj); +#endif + + if (NULL != (msg = domainname_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 len */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->len)); + written += 1; ptr += 1; + + /* Encode char name[len] */ + { + size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->name); + trunnel_assert(obj->len == elt_len); + trunnel_assert(written <= avail); + if (avail - written < elt_len) + goto truncated; + if (elt_len) + memcpy(ptr, obj->name.elts_, elt_len); + written += elt_len; ptr += elt_len; + } + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As domainname_parse(), but do not allocate the output object. + */ +static ssize_t +domainname_parse_into(domainname_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 len */ + CHECK_REMAINING(1, truncated); + obj->len = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + + /* Parse char name[len] */ + CHECK_REMAINING(obj->len, truncated); + if (domainname_setstr0_name(obj, (const char*)ptr, obj->len)) + goto fail; + ptr += obj->len; remaining -= obj->len; + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + fail: + result = -1; + return result; +} + +ssize_t +domainname_parse(domainname_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = domainname_new(); + if (NULL == *output) + return -1; + result = domainname_parse_into(*output, input, len_in); + if (result < 0) { + domainname_free(*output); + *output = NULL; + } + return result; +} +socks4_client_request_t * +socks4_client_request_new(void) +{ + socks4_client_request_t *val = trunnel_calloc(1, sizeof(socks4_client_request_t)); + if (NULL == val) + return NULL; + val->version = 4; + val->command = CMD_BIND; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +socks4_client_request_clear(socks4_client_request_t *obj) +{ + (void) obj; + trunnel_wipestr(obj->username); + trunnel_free(obj->username); + trunnel_wipestr(obj->socks4a_addr_hostname); + trunnel_free(obj->socks4a_addr_hostname); +} + +void +socks4_client_request_free(socks4_client_request_t *obj) +{ + if (obj == NULL) + return; + socks4_client_request_clear(obj); + trunnel_memwipe(obj, sizeof(socks4_client_request_t)); + trunnel_free_(obj); +} + +uint8_t +socks4_client_request_get_version(const socks4_client_request_t *inp) +{ + return inp->version; +} +int +socks4_client_request_set_version(socks4_client_request_t *inp, uint8_t val) +{ + if (! ((val == 4))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint8_t +socks4_client_request_get_command(const socks4_client_request_t *inp) +{ + return inp->command; +} +int +socks4_client_request_set_command(socks4_client_request_t *inp, uint8_t val) +{ + if (! ((val == CMD_BIND || val == CMD_CONNECT || val == CMD_RESOLVE_PTR))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->command = val; + return 0; +} +uint16_t +socks4_client_request_get_port(const socks4_client_request_t *inp) +{ + return inp->port; +} +int +socks4_client_request_set_port(socks4_client_request_t *inp, uint16_t val) +{ + inp->port = val; + return 0; +} +uint32_t +socks4_client_request_get_addr(const socks4_client_request_t *inp) +{ + return inp->addr; +} +int +socks4_client_request_set_addr(socks4_client_request_t *inp, uint32_t val) +{ + inp->addr = val; + return 0; +} +const char * +socks4_client_request_get_username(const socks4_client_request_t *inp) +{ + return inp->username; +} +int +socks4_client_request_set_username(socks4_client_request_t *inp, const char *val) +{ + trunnel_free(inp->username); + if (NULL == (inp->username = trunnel_strdup(val))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + return 0; +} +const char * +socks4_client_request_get_socks4a_addr_hostname(const socks4_client_request_t *inp) +{ + return inp->socks4a_addr_hostname; +} +int +socks4_client_request_set_socks4a_addr_hostname(socks4_client_request_t *inp, const char *val) +{ + trunnel_free(inp->socks4a_addr_hostname); + if (NULL == (inp->socks4a_addr_hostname = trunnel_strdup(val))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + return 0; +} +const char * +socks4_client_request_check(const socks4_client_request_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 4)) + return "Integer out of bounds"; + if (! (obj->command == CMD_BIND || obj->command == CMD_CONNECT || obj->command == CMD_RESOLVE_PTR)) + return "Integer out of bounds"; + if (NULL == obj->username) + return "Missing username"; + switch (obj->addr) { + + case 1: + case 2: + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + case 9: + case 10: + case 11: + case 12: + case 13: + case 14: + case 15: + case 16: + case 17: + case 18: + case 19: + case 20: + case 21: + case 22: + case 23: + case 24: + case 25: + case 26: + case 27: + case 28: + case 29: + case 30: + case 31: + case 32: + case 33: + case 34: + case 35: + case 36: + case 37: + case 38: + case 39: + case 40: + case 41: + case 42: + case 43: + case 44: + case 45: + case 46: + case 47: + case 48: + case 49: + case 50: + case 51: + case 52: + case 53: + case 54: + case 55: + case 56: + case 57: + case 58: + case 59: + case 60: + case 61: + case 62: + case 63: + case 64: + case 65: + case 66: + case 67: + case 68: + case 69: + case 70: + case 71: + case 72: + case 73: + case 74: + case 75: + case 76: + case 77: + case 78: + case 79: + case 80: + case 81: + case 82: + case 83: + case 84: + case 85: + case 86: + case 87: + case 88: + case 89: + case 90: + case 91: + case 92: + case 93: + case 94: + case 95: + case 96: + case 97: + case 98: + case 99: + case 100: + case 101: + case 102: + case 103: + case 104: + case 105: + case 106: + case 107: + case 108: + case 109: + case 110: + case 111: + case 112: + case 113: + case 114: + case 115: + case 116: + case 117: + case 118: + case 119: + case 120: + case 121: + case 122: + case 123: + case 124: + case 125: + case 126: + case 127: + case 128: + case 129: + case 130: + case 131: + case 132: + case 133: + case 134: + case 135: + case 136: + case 137: + case 138: + case 139: + case 140: + case 141: + case 142: + case 143: + case 144: + case 145: + case 146: + case 147: + case 148: + case 149: + case 150: + case 151: + case 152: + case 153: + case 154: + case 155: + case 156: + case 157: + case 158: + case 159: + case 160: + case 161: + case 162: + case 163: + case 164: + case 165: + case 166: + case 167: + case 168: + case 169: + case 170: + case 171: + case 172: + case 173: + case 174: + case 175: + case 176: + case 177: + case 178: + case 179: + case 180: + case 181: + case 182: + case 183: + case 184: + case 185: + case 186: + case 187: + case 188: + case 189: + case 190: + case 191: + case 192: + case 193: + case 194: + case 195: + case 196: + case 197: + case 198: + case 199: + case 200: + case 201: + case 202: + case 203: + case 204: + case 205: + case 206: + case 207: + case 208: + case 209: + case 210: + case 211: + case 212: + case 213: + case 214: + case 215: + case 216: + case 217: + case 218: + case 219: + case 220: + case 221: + case 222: + case 223: + case 224: + case 225: + case 226: + case 227: + case 228: + case 229: + case 230: + case 231: + case 232: + case 233: + case 234: + case 235: + case 236: + case 237: + case 238: + case 239: + case 240: + case 241: + case 242: + case 243: + case 244: + case 245: + case 246: + case 247: + case 248: + case 249: + case 250: + case 251: + case 252: + case 253: + case 254: + case 255: + if (NULL == obj->socks4a_addr_hostname) + return "Missing socks4a_addr_hostname"; + break; + + default: + break; + } + return NULL; +} + +ssize_t +socks4_client_request_encoded_len(const socks4_client_request_t *obj) +{ + ssize_t result = 0; + + if (NULL != socks4_client_request_check(obj)) + return -1; + + + /* Length of u8 version IN [4] */ + result += 1; + + /* Length of u8 command IN [CMD_BIND, CMD_CONNECT, CMD_RESOLVE_PTR] */ + result += 1; + + /* Length of u16 port */ + result += 2; + + /* Length of u32 addr */ + result += 4; + + /* Length of nulterm username */ + result += strlen(obj->username) + 1; + switch (obj->addr) { + + case 1: + case 2: + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + case 9: + case 10: + case 11: + case 12: + case 13: + case 14: + case 15: + case 16: + case 17: + case 18: + case 19: + case 20: + case 21: + case 22: + case 23: + case 24: + case 25: + case 26: + case 27: + case 28: + case 29: + case 30: + case 31: + case 32: + case 33: + case 34: + case 35: + case 36: + case 37: + case 38: + case 39: + case 40: + case 41: + case 42: + case 43: + case 44: + case 45: + case 46: + case 47: + case 48: + case 49: + case 50: + case 51: + case 52: + case 53: + case 54: + case 55: + case 56: + case 57: + case 58: + case 59: + case 60: + case 61: + case 62: + case 63: + case 64: + case 65: + case 66: + case 67: + case 68: + case 69: + case 70: + case 71: + case 72: + case 73: + case 74: + case 75: + case 76: + case 77: + case 78: + case 79: + case 80: + case 81: + case 82: + case 83: + case 84: + case 85: + case 86: + case 87: + case 88: + case 89: + case 90: + case 91: + case 92: + case 93: + case 94: + case 95: + case 96: + case 97: + case 98: + case 99: + case 100: + case 101: + case 102: + case 103: + case 104: + case 105: + case 106: + case 107: + case 108: + case 109: + case 110: + case 111: + case 112: + case 113: + case 114: + case 115: + case 116: + case 117: + case 118: + case 119: + case 120: + case 121: + case 122: + case 123: + case 124: + case 125: + case 126: + case 127: + case 128: + case 129: + case 130: + case 131: + case 132: + case 133: + case 134: + case 135: + case 136: + case 137: + case 138: + case 139: + case 140: + case 141: + case 142: + case 143: + case 144: + case 145: + case 146: + case 147: + case 148: + case 149: + case 150: + case 151: + case 152: + case 153: + case 154: + case 155: + case 156: + case 157: + case 158: + case 159: + case 160: + case 161: + case 162: + case 163: + case 164: + case 165: + case 166: + case 167: + case 168: + case 169: + case 170: + case 171: + case 172: + case 173: + case 174: + case 175: + case 176: + case 177: + case 178: + case 179: + case 180: + case 181: + case 182: + case 183: + case 184: + case 185: + case 186: + case 187: + case 188: + case 189: + case 190: + case 191: + case 192: + case 193: + case 194: + case 195: + case 196: + case 197: + case 198: + case 199: + case 200: + case 201: + case 202: + case 203: + case 204: + case 205: + case 206: + case 207: + case 208: + case 209: + case 210: + case 211: + case 212: + case 213: + case 214: + case 215: + case 216: + case 217: + case 218: + case 219: + case 220: + case 221: + case 222: + case 223: + case 224: + case 225: + case 226: + case 227: + case 228: + case 229: + case 230: + case 231: + case 232: + case 233: + case 234: + case 235: + case 236: + case 237: + case 238: + case 239: + case 240: + case 241: + case 242: + case 243: + case 244: + case 245: + case 246: + case 247: + case 248: + case 249: + case 250: + case 251: + case 252: + case 253: + case 254: + case 255: + + /* Length of nulterm socks4a_addr_hostname */ + result += strlen(obj->socks4a_addr_hostname) + 1; + break; + + default: + break; + } + return result; +} +int +socks4_client_request_clear_errors(socks4_client_request_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +socks4_client_request_encode(uint8_t *output, const size_t avail, const socks4_client_request_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = socks4_client_request_encoded_len(obj); +#endif + + if (NULL != (msg = socks4_client_request_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [4] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u8 command IN [CMD_BIND, CMD_CONNECT, CMD_RESOLVE_PTR] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->command)); + written += 1; ptr += 1; + + /* Encode u16 port */ + trunnel_assert(written <= avail); + if (avail - written < 2) + goto truncated; + trunnel_set_uint16(ptr, trunnel_htons(obj->port)); + written += 2; ptr += 2; + + /* Encode u32 addr */ + trunnel_assert(written <= avail); + if (avail - written < 4) + goto truncated; + trunnel_set_uint32(ptr, trunnel_htonl(obj->addr)); + written += 4; ptr += 4; + + /* Encode nulterm username */ + { + size_t len = strlen(obj->username); + trunnel_assert(written <= avail); + if (avail - written < len + 1) + goto truncated; + memcpy(ptr, obj->username, len + 1); + ptr += len + 1; written += len + 1; + } + + /* Encode union socks4a_addr[addr] */ + trunnel_assert(written <= avail); + switch (obj->addr) { + + case 1: + case 2: + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + case 9: + case 10: + case 11: + case 12: + case 13: + case 14: + case 15: + case 16: + case 17: + case 18: + case 19: + case 20: + case 21: + case 22: + case 23: + case 24: + case 25: + case 26: + case 27: + case 28: + case 29: + case 30: + case 31: + case 32: + case 33: + case 34: + case 35: + case 36: + case 37: + case 38: + case 39: + case 40: + case 41: + case 42: + case 43: + case 44: + case 45: + case 46: + case 47: + case 48: + case 49: + case 50: + case 51: + case 52: + case 53: + case 54: + case 55: + case 56: + case 57: + case 58: + case 59: + case 60: + case 61: + case 62: + case 63: + case 64: + case 65: + case 66: + case 67: + case 68: + case 69: + case 70: + case 71: + case 72: + case 73: + case 74: + case 75: + case 76: + case 77: + case 78: + case 79: + case 80: + case 81: + case 82: + case 83: + case 84: + case 85: + case 86: + case 87: + case 88: + case 89: + case 90: + case 91: + case 92: + case 93: + case 94: + case 95: + case 96: + case 97: + case 98: + case 99: + case 100: + case 101: + case 102: + case 103: + case 104: + case 105: + case 106: + case 107: + case 108: + case 109: + case 110: + case 111: + case 112: + case 113: + case 114: + case 115: + case 116: + case 117: + case 118: + case 119: + case 120: + case 121: + case 122: + case 123: + case 124: + case 125: + case 126: + case 127: + case 128: + case 129: + case 130: + case 131: + case 132: + case 133: + case 134: + case 135: + case 136: + case 137: + case 138: + case 139: + case 140: + case 141: + case 142: + case 143: + case 144: + case 145: + case 146: + case 147: + case 148: + case 149: + case 150: + case 151: + case 152: + case 153: + case 154: + case 155: + case 156: + case 157: + case 158: + case 159: + case 160: + case 161: + case 162: + case 163: + case 164: + case 165: + case 166: + case 167: + case 168: + case 169: + case 170: + case 171: + case 172: + case 173: + case 174: + case 175: + case 176: + case 177: + case 178: + case 179: + case 180: + case 181: + case 182: + case 183: + case 184: + case 185: + case 186: + case 187: + case 188: + case 189: + case 190: + case 191: + case 192: + case 193: + case 194: + case 195: + case 196: + case 197: + case 198: + case 199: + case 200: + case 201: + case 202: + case 203: + case 204: + case 205: + case 206: + case 207: + case 208: + case 209: + case 210: + case 211: + case 212: + case 213: + case 214: + case 215: + case 216: + case 217: + case 218: + case 219: + case 220: + case 221: + case 222: + case 223: + case 224: + case 225: + case 226: + case 227: + case 228: + case 229: + case 230: + case 231: + case 232: + case 233: + case 234: + case 235: + case 236: + case 237: + case 238: + case 239: + case 240: + case 241: + case 242: + case 243: + case 244: + case 245: + case 246: + case 247: + case 248: + case 249: + case 250: + case 251: + case 252: + case 253: + case 254: + case 255: + + /* Encode nulterm socks4a_addr_hostname */ + { + size_t len = strlen(obj->socks4a_addr_hostname); + trunnel_assert(written <= avail); + if (avail - written < len + 1) + goto truncated; + memcpy(ptr, obj->socks4a_addr_hostname, len + 1); + ptr += len + 1; written += len + 1; + } + break; + + default: + break; + } + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As socks4_client_request_parse(), but do not allocate the output + * object. + */ +static ssize_t +socks4_client_request_parse_into(socks4_client_request_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [4] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 4)) + goto fail; + + /* Parse u8 command IN [CMD_BIND, CMD_CONNECT, CMD_RESOLVE_PTR] */ + CHECK_REMAINING(1, truncated); + obj->command = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->command == CMD_BIND || obj->command == CMD_CONNECT || obj->command == CMD_RESOLVE_PTR)) + goto fail; + + /* Parse u16 port */ + CHECK_REMAINING(2, truncated); + obj->port = trunnel_ntohs(trunnel_get_uint16(ptr)); + remaining -= 2; ptr += 2; + + /* Parse u32 addr */ + CHECK_REMAINING(4, truncated); + obj->addr = trunnel_ntohl(trunnel_get_uint32(ptr)); + remaining -= 4; ptr += 4; + + /* Parse nulterm username */ + { + uint8_t *eos = (uint8_t*)memchr(ptr, 0, remaining); + size_t memlen; + if (eos == NULL) + goto truncated; + trunnel_assert(eos >= ptr); + trunnel_assert((size_t)(eos - ptr) < SIZE_MAX - 1); + memlen = ((size_t)(eos - ptr)) + 1; + if (!(obj->username = trunnel_malloc(memlen))) + goto fail; + memcpy(obj->username, ptr, memlen); + remaining -= memlen; ptr += memlen; + } + + /* Parse union socks4a_addr[addr] */ + switch (obj->addr) { + + case 1: + case 2: + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + case 9: + case 10: + case 11: + case 12: + case 13: + case 14: + case 15: + case 16: + case 17: + case 18: + case 19: + case 20: + case 21: + case 22: + case 23: + case 24: + case 25: + case 26: + case 27: + case 28: + case 29: + case 30: + case 31: + case 32: + case 33: + case 34: + case 35: + case 36: + case 37: + case 38: + case 39: + case 40: + case 41: + case 42: + case 43: + case 44: + case 45: + case 46: + case 47: + case 48: + case 49: + case 50: + case 51: + case 52: + case 53: + case 54: + case 55: + case 56: + case 57: + case 58: + case 59: + case 60: + case 61: + case 62: + case 63: + case 64: + case 65: + case 66: + case 67: + case 68: + case 69: + case 70: + case 71: + case 72: + case 73: + case 74: + case 75: + case 76: + case 77: + case 78: + case 79: + case 80: + case 81: + case 82: + case 83: + case 84: + case 85: + case 86: + case 87: + case 88: + case 89: + case 90: + case 91: + case 92: + case 93: + case 94: + case 95: + case 96: + case 97: + case 98: + case 99: + case 100: + case 101: + case 102: + case 103: + case 104: + case 105: + case 106: + case 107: + case 108: + case 109: + case 110: + case 111: + case 112: + case 113: + case 114: + case 115: + case 116: + case 117: + case 118: + case 119: + case 120: + case 121: + case 122: + case 123: + case 124: + case 125: + case 126: + case 127: + case 128: + case 129: + case 130: + case 131: + case 132: + case 133: + case 134: + case 135: + case 136: + case 137: + case 138: + case 139: + case 140: + case 141: + case 142: + case 143: + case 144: + case 145: + case 146: + case 147: + case 148: + case 149: + case 150: + case 151: + case 152: + case 153: + case 154: + case 155: + case 156: + case 157: + case 158: + case 159: + case 160: + case 161: + case 162: + case 163: + case 164: + case 165: + case 166: + case 167: + case 168: + case 169: + case 170: + case 171: + case 172: + case 173: + case 174: + case 175: + case 176: + case 177: + case 178: + case 179: + case 180: + case 181: + case 182: + case 183: + case 184: + case 185: + case 186: + case 187: + case 188: + case 189: + case 190: + case 191: + case 192: + case 193: + case 194: + case 195: + case 196: + case 197: + case 198: + case 199: + case 200: + case 201: + case 202: + case 203: + case 204: + case 205: + case 206: + case 207: + case 208: + case 209: + case 210: + case 211: + case 212: + case 213: + case 214: + case 215: + case 216: + case 217: + case 218: + case 219: + case 220: + case 221: + case 222: + case 223: + case 224: + case 225: + case 226: + case 227: + case 228: + case 229: + case 230: + case 231: + case 232: + case 233: + case 234: + case 235: + case 236: + case 237: + case 238: + case 239: + case 240: + case 241: + case 242: + case 243: + case 244: + case 245: + case 246: + case 247: + case 248: + case 249: + case 250: + case 251: + case 252: + case 253: + case 254: + case 255: + + /* Parse nulterm socks4a_addr_hostname */ + { + uint8_t *eos = (uint8_t*)memchr(ptr, 0, remaining); + size_t memlen; + if (eos == NULL) + goto truncated; + trunnel_assert(eos >= ptr); + trunnel_assert((size_t)(eos - ptr) < SIZE_MAX - 1); + memlen = ((size_t)(eos - ptr)) + 1; + if (!(obj->socks4a_addr_hostname = trunnel_malloc(memlen))) + goto fail; + memcpy(obj->socks4a_addr_hostname, ptr, memlen); + remaining -= memlen; ptr += memlen; + } + break; + + default: + break; + } + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + fail: + result = -1; + return result; +} + +ssize_t +socks4_client_request_parse(socks4_client_request_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = socks4_client_request_new(); + if (NULL == *output) + return -1; + result = socks4_client_request_parse_into(*output, input, len_in); + if (result < 0) { + socks4_client_request_free(*output); + *output = NULL; + } + return result; +} +socks4_server_reply_t * +socks4_server_reply_new(void) +{ + socks4_server_reply_t *val = trunnel_calloc(1, sizeof(socks4_server_reply_t)); + if (NULL == val) + return NULL; + val->version = 4; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +socks4_server_reply_clear(socks4_server_reply_t *obj) +{ + (void) obj; +} + +void +socks4_server_reply_free(socks4_server_reply_t *obj) +{ + if (obj == NULL) + return; + socks4_server_reply_clear(obj); + trunnel_memwipe(obj, sizeof(socks4_server_reply_t)); + trunnel_free_(obj); +} + +uint8_t +socks4_server_reply_get_version(const socks4_server_reply_t *inp) +{ + return inp->version; +} +int +socks4_server_reply_set_version(socks4_server_reply_t *inp, uint8_t val) +{ + if (! ((val == 4))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint8_t +socks4_server_reply_get_status(const socks4_server_reply_t *inp) +{ + return inp->status; +} +int +socks4_server_reply_set_status(socks4_server_reply_t *inp, uint8_t val) +{ + inp->status = val; + return 0; +} +uint16_t +socks4_server_reply_get_port(const socks4_server_reply_t *inp) +{ + return inp->port; +} +int +socks4_server_reply_set_port(socks4_server_reply_t *inp, uint16_t val) +{ + inp->port = val; + return 0; +} +uint32_t +socks4_server_reply_get_addr(const socks4_server_reply_t *inp) +{ + return inp->addr; +} +int +socks4_server_reply_set_addr(socks4_server_reply_t *inp, uint32_t val) +{ + inp->addr = val; + return 0; +} +const char * +socks4_server_reply_check(const socks4_server_reply_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 4)) + return "Integer out of bounds"; + return NULL; +} + +ssize_t +socks4_server_reply_encoded_len(const socks4_server_reply_t *obj) +{ + ssize_t result = 0; + + if (NULL != socks4_server_reply_check(obj)) + return -1; + + + /* Length of u8 version IN [4] */ + result += 1; + + /* Length of u8 status */ + result += 1; + + /* Length of u16 port */ + result += 2; + + /* Length of u32 addr */ + result += 4; + return result; +} +int +socks4_server_reply_clear_errors(socks4_server_reply_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +socks4_server_reply_encode(uint8_t *output, const size_t avail, const socks4_server_reply_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = socks4_server_reply_encoded_len(obj); +#endif + + if (NULL != (msg = socks4_server_reply_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [4] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u8 status */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->status)); + written += 1; ptr += 1; + + /* Encode u16 port */ + trunnel_assert(written <= avail); + if (avail - written < 2) + goto truncated; + trunnel_set_uint16(ptr, trunnel_htons(obj->port)); + written += 2; ptr += 2; + + /* Encode u32 addr */ + trunnel_assert(written <= avail); + if (avail - written < 4) + goto truncated; + trunnel_set_uint32(ptr, trunnel_htonl(obj->addr)); + written += 4; ptr += 4; + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As socks4_server_reply_parse(), but do not allocate the output + * object. + */ +static ssize_t +socks4_server_reply_parse_into(socks4_server_reply_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [4] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 4)) + goto fail; + + /* Parse u8 status */ + CHECK_REMAINING(1, truncated); + obj->status = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + + /* Parse u16 port */ + CHECK_REMAINING(2, truncated); + obj->port = trunnel_ntohs(trunnel_get_uint16(ptr)); + remaining -= 2; ptr += 2; + + /* Parse u32 addr */ + CHECK_REMAINING(4, truncated); + obj->addr = trunnel_ntohl(trunnel_get_uint32(ptr)); + remaining -= 4; ptr += 4; + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + fail: + result = -1; + return result; +} + +ssize_t +socks4_server_reply_parse(socks4_server_reply_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = socks4_server_reply_new(); + if (NULL == *output) + return -1; + result = socks4_server_reply_parse_into(*output, input, len_in); + if (result < 0) { + socks4_server_reply_free(*output); + *output = NULL; + } + return result; +} +socks5_client_userpass_auth_t * +socks5_client_userpass_auth_new(void) +{ + socks5_client_userpass_auth_t *val = trunnel_calloc(1, sizeof(socks5_client_userpass_auth_t)); + if (NULL == val) + return NULL; + val->version = 1; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +socks5_client_userpass_auth_clear(socks5_client_userpass_auth_t *obj) +{ + (void) obj; + TRUNNEL_DYNARRAY_WIPE(&obj->username); + TRUNNEL_DYNARRAY_CLEAR(&obj->username); + TRUNNEL_DYNARRAY_WIPE(&obj->passwd); + TRUNNEL_DYNARRAY_CLEAR(&obj->passwd); +} + +void +socks5_client_userpass_auth_free(socks5_client_userpass_auth_t *obj) +{ + if (obj == NULL) + return; + socks5_client_userpass_auth_clear(obj); + trunnel_memwipe(obj, sizeof(socks5_client_userpass_auth_t)); + trunnel_free_(obj); +} + +uint8_t +socks5_client_userpass_auth_get_version(const socks5_client_userpass_auth_t *inp) +{ + return inp->version; +} +int +socks5_client_userpass_auth_set_version(socks5_client_userpass_auth_t *inp, uint8_t val) +{ + if (! ((val == 1))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint8_t +socks5_client_userpass_auth_get_username_len(const socks5_client_userpass_auth_t *inp) +{ + return inp->username_len; +} +int +socks5_client_userpass_auth_set_username_len(socks5_client_userpass_auth_t *inp, uint8_t val) +{ + inp->username_len = val; + return 0; +} +size_t +socks5_client_userpass_auth_getlen_username(const socks5_client_userpass_auth_t *inp) +{ + return TRUNNEL_DYNARRAY_LEN(&inp->username); +} + +char +socks5_client_userpass_auth_get_username(socks5_client_userpass_auth_t *inp, size_t idx) +{ + return TRUNNEL_DYNARRAY_GET(&inp->username, idx); +} + +char +socks5_client_userpass_auth_getconst_username(const socks5_client_userpass_auth_t *inp, size_t idx) +{ + return socks5_client_userpass_auth_get_username((socks5_client_userpass_auth_t*)inp, idx); +} +int +socks5_client_userpass_auth_set_username(socks5_client_userpass_auth_t *inp, size_t idx, char elt) +{ + TRUNNEL_DYNARRAY_SET(&inp->username, idx, elt); + return 0; +} +int +socks5_client_userpass_auth_add_username(socks5_client_userpass_auth_t *inp, char elt) +{ +#if SIZE_MAX >= UINT8_MAX + if (inp->username.n_ == UINT8_MAX) + goto trunnel_alloc_failed; +#endif + TRUNNEL_DYNARRAY_ADD(char, &inp->username, elt, {}); + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} + +char * +socks5_client_userpass_auth_getarray_username(socks5_client_userpass_auth_t *inp) +{ + return inp->username.elts_; +} +const char * +socks5_client_userpass_auth_getconstarray_username(const socks5_client_userpass_auth_t *inp) +{ + return (const char *)socks5_client_userpass_auth_getarray_username((socks5_client_userpass_auth_t*)inp); +} +int +socks5_client_userpass_auth_setlen_username(socks5_client_userpass_auth_t *inp, size_t newlen) +{ +#if UINT8_MAX < SIZE_MAX + if (newlen > UINT8_MAX) + goto trunnel_alloc_failed; +#endif + return trunnel_string_setlen(&inp->username, newlen, + &inp->trunnel_error_code_); + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} +const char * +socks5_client_userpass_auth_getstr_username(socks5_client_userpass_auth_t *inp) +{ + return trunnel_string_getstr(&inp->username); +} +int +socks5_client_userpass_auth_setstr0_username(socks5_client_userpass_auth_t *inp, const char *val, size_t len) +{ +#if UINT8_MAX < SIZE_MAX + if (len > UINT8_MAX) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } +#endif + return trunnel_string_setstr0(&inp->username, val, len, &inp->trunnel_error_code_); +} +int +socks5_client_userpass_auth_setstr_username(socks5_client_userpass_auth_t *inp, const char *val) +{ + return socks5_client_userpass_auth_setstr0_username(inp, val, strlen(val)); +} +uint8_t +socks5_client_userpass_auth_get_passwd_len(const socks5_client_userpass_auth_t *inp) +{ + return inp->passwd_len; +} +int +socks5_client_userpass_auth_set_passwd_len(socks5_client_userpass_auth_t *inp, uint8_t val) +{ + inp->passwd_len = val; + return 0; +} +size_t +socks5_client_userpass_auth_getlen_passwd(const socks5_client_userpass_auth_t *inp) +{ + return TRUNNEL_DYNARRAY_LEN(&inp->passwd); +} + +char +socks5_client_userpass_auth_get_passwd(socks5_client_userpass_auth_t *inp, size_t idx) +{ + return TRUNNEL_DYNARRAY_GET(&inp->passwd, idx); +} + +char +socks5_client_userpass_auth_getconst_passwd(const socks5_client_userpass_auth_t *inp, size_t idx) +{ + return socks5_client_userpass_auth_get_passwd((socks5_client_userpass_auth_t*)inp, idx); +} +int +socks5_client_userpass_auth_set_passwd(socks5_client_userpass_auth_t *inp, size_t idx, char elt) +{ + TRUNNEL_DYNARRAY_SET(&inp->passwd, idx, elt); + return 0; +} +int +socks5_client_userpass_auth_add_passwd(socks5_client_userpass_auth_t *inp, char elt) +{ +#if SIZE_MAX >= UINT8_MAX + if (inp->passwd.n_ == UINT8_MAX) + goto trunnel_alloc_failed; +#endif + TRUNNEL_DYNARRAY_ADD(char, &inp->passwd, elt, {}); + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} + +char * +socks5_client_userpass_auth_getarray_passwd(socks5_client_userpass_auth_t *inp) +{ + return inp->passwd.elts_; +} +const char * +socks5_client_userpass_auth_getconstarray_passwd(const socks5_client_userpass_auth_t *inp) +{ + return (const char *)socks5_client_userpass_auth_getarray_passwd((socks5_client_userpass_auth_t*)inp); +} +int +socks5_client_userpass_auth_setlen_passwd(socks5_client_userpass_auth_t *inp, size_t newlen) +{ +#if UINT8_MAX < SIZE_MAX + if (newlen > UINT8_MAX) + goto trunnel_alloc_failed; +#endif + return trunnel_string_setlen(&inp->passwd, newlen, + &inp->trunnel_error_code_); + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} +const char * +socks5_client_userpass_auth_getstr_passwd(socks5_client_userpass_auth_t *inp) +{ + return trunnel_string_getstr(&inp->passwd); +} +int +socks5_client_userpass_auth_setstr0_passwd(socks5_client_userpass_auth_t *inp, const char *val, size_t len) +{ +#if UINT8_MAX < SIZE_MAX + if (len > UINT8_MAX) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } +#endif + return trunnel_string_setstr0(&inp->passwd, val, len, &inp->trunnel_error_code_); +} +int +socks5_client_userpass_auth_setstr_passwd(socks5_client_userpass_auth_t *inp, const char *val) +{ + return socks5_client_userpass_auth_setstr0_passwd(inp, val, strlen(val)); +} +const char * +socks5_client_userpass_auth_check(const socks5_client_userpass_auth_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 1)) + return "Integer out of bounds"; + if (TRUNNEL_DYNARRAY_LEN(&obj->username) != obj->username_len) + return "Length mismatch for username"; + if (TRUNNEL_DYNARRAY_LEN(&obj->passwd) != obj->passwd_len) + return "Length mismatch for passwd"; + return NULL; +} + +ssize_t +socks5_client_userpass_auth_encoded_len(const socks5_client_userpass_auth_t *obj) +{ + ssize_t result = 0; + + if (NULL != socks5_client_userpass_auth_check(obj)) + return -1; + + + /* Length of u8 version IN [1] */ + result += 1; + + /* Length of u8 username_len */ + result += 1; + + /* Length of char username[username_len] */ + result += TRUNNEL_DYNARRAY_LEN(&obj->username); + + /* Length of u8 passwd_len */ + result += 1; + + /* Length of char passwd[passwd_len] */ + result += TRUNNEL_DYNARRAY_LEN(&obj->passwd); + return result; +} +int +socks5_client_userpass_auth_clear_errors(socks5_client_userpass_auth_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +socks5_client_userpass_auth_encode(uint8_t *output, const size_t avail, const socks5_client_userpass_auth_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = socks5_client_userpass_auth_encoded_len(obj); +#endif + + if (NULL != (msg = socks5_client_userpass_auth_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [1] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u8 username_len */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->username_len)); + written += 1; ptr += 1; + + /* Encode char username[username_len] */ + { + size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->username); + trunnel_assert(obj->username_len == elt_len); + trunnel_assert(written <= avail); + if (avail - written < elt_len) + goto truncated; + if (elt_len) + memcpy(ptr, obj->username.elts_, elt_len); + written += elt_len; ptr += elt_len; + } + + /* Encode u8 passwd_len */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->passwd_len)); + written += 1; ptr += 1; + + /* Encode char passwd[passwd_len] */ + { + size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->passwd); + trunnel_assert(obj->passwd_len == elt_len); + trunnel_assert(written <= avail); + if (avail - written < elt_len) + goto truncated; + if (elt_len) + memcpy(ptr, obj->passwd.elts_, elt_len); + written += elt_len; ptr += elt_len; + } + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As socks5_client_userpass_auth_parse(), but do not allocate the + * output object. + */ +static ssize_t +socks5_client_userpass_auth_parse_into(socks5_client_userpass_auth_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [1] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 1)) + goto fail; + + /* Parse u8 username_len */ + CHECK_REMAINING(1, truncated); + obj->username_len = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + + /* Parse char username[username_len] */ + CHECK_REMAINING(obj->username_len, truncated); + if (socks5_client_userpass_auth_setstr0_username(obj, (const char*)ptr, obj->username_len)) + goto fail; + ptr += obj->username_len; remaining -= obj->username_len; + + /* Parse u8 passwd_len */ + CHECK_REMAINING(1, truncated); + obj->passwd_len = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + + /* Parse char passwd[passwd_len] */ + CHECK_REMAINING(obj->passwd_len, truncated); + if (socks5_client_userpass_auth_setstr0_passwd(obj, (const char*)ptr, obj->passwd_len)) + goto fail; + ptr += obj->passwd_len; remaining -= obj->passwd_len; + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + fail: + result = -1; + return result; +} + +ssize_t +socks5_client_userpass_auth_parse(socks5_client_userpass_auth_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = socks5_client_userpass_auth_new(); + if (NULL == *output) + return -1; + result = socks5_client_userpass_auth_parse_into(*output, input, len_in); + if (result < 0) { + socks5_client_userpass_auth_free(*output); + *output = NULL; + } + return result; +} +socks5_client_version_t * +socks5_client_version_new(void) +{ + socks5_client_version_t *val = trunnel_calloc(1, sizeof(socks5_client_version_t)); + if (NULL == val) + return NULL; + val->version = 5; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +socks5_client_version_clear(socks5_client_version_t *obj) +{ + (void) obj; + TRUNNEL_DYNARRAY_WIPE(&obj->methods); + TRUNNEL_DYNARRAY_CLEAR(&obj->methods); +} + +void +socks5_client_version_free(socks5_client_version_t *obj) +{ + if (obj == NULL) + return; + socks5_client_version_clear(obj); + trunnel_memwipe(obj, sizeof(socks5_client_version_t)); + trunnel_free_(obj); +} + +uint8_t +socks5_client_version_get_version(const socks5_client_version_t *inp) +{ + return inp->version; +} +int +socks5_client_version_set_version(socks5_client_version_t *inp, uint8_t val) +{ + if (! ((val == 5))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint8_t +socks5_client_version_get_n_methods(const socks5_client_version_t *inp) +{ + return inp->n_methods; +} +int +socks5_client_version_set_n_methods(socks5_client_version_t *inp, uint8_t val) +{ + inp->n_methods = val; + return 0; +} +size_t +socks5_client_version_getlen_methods(const socks5_client_version_t *inp) +{ + return TRUNNEL_DYNARRAY_LEN(&inp->methods); +} + +uint8_t +socks5_client_version_get_methods(socks5_client_version_t *inp, size_t idx) +{ + return TRUNNEL_DYNARRAY_GET(&inp->methods, idx); +} + +uint8_t +socks5_client_version_getconst_methods(const socks5_client_version_t *inp, size_t idx) +{ + return socks5_client_version_get_methods((socks5_client_version_t*)inp, idx); +} +int +socks5_client_version_set_methods(socks5_client_version_t *inp, size_t idx, uint8_t elt) +{ + TRUNNEL_DYNARRAY_SET(&inp->methods, idx, elt); + return 0; +} +int +socks5_client_version_add_methods(socks5_client_version_t *inp, uint8_t elt) +{ +#if SIZE_MAX >= UINT8_MAX + if (inp->methods.n_ == UINT8_MAX) + goto trunnel_alloc_failed; +#endif + TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->methods, elt, {}); + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} + +uint8_t * +socks5_client_version_getarray_methods(socks5_client_version_t *inp) +{ + return inp->methods.elts_; +} +const uint8_t * +socks5_client_version_getconstarray_methods(const socks5_client_version_t *inp) +{ + return (const uint8_t *)socks5_client_version_getarray_methods((socks5_client_version_t*)inp); +} +int +socks5_client_version_setlen_methods(socks5_client_version_t *inp, size_t newlen) +{ + uint8_t *newptr; +#if UINT8_MAX < SIZE_MAX + if (newlen > UINT8_MAX) + goto trunnel_alloc_failed; +#endif + newptr = trunnel_dynarray_setlen(&inp->methods.allocated_, + &inp->methods.n_, inp->methods.elts_, newlen, + sizeof(inp->methods.elts_[0]), (trunnel_free_fn_t) NULL, + &inp->trunnel_error_code_); + if (newlen != 0 && newptr == NULL) + goto trunnel_alloc_failed; + inp->methods.elts_ = newptr; + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} +const char * +socks5_client_version_check(const socks5_client_version_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 5)) + return "Integer out of bounds"; + if (TRUNNEL_DYNARRAY_LEN(&obj->methods) != obj->n_methods) + return "Length mismatch for methods"; + return NULL; +} + +ssize_t +socks5_client_version_encoded_len(const socks5_client_version_t *obj) +{ + ssize_t result = 0; + + if (NULL != socks5_client_version_check(obj)) + return -1; + + + /* Length of u8 version IN [5] */ + result += 1; + + /* Length of u8 n_methods */ + result += 1; + + /* Length of u8 methods[n_methods] */ + result += TRUNNEL_DYNARRAY_LEN(&obj->methods); + return result; +} +int +socks5_client_version_clear_errors(socks5_client_version_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +socks5_client_version_encode(uint8_t *output, const size_t avail, const socks5_client_version_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = socks5_client_version_encoded_len(obj); +#endif + + if (NULL != (msg = socks5_client_version_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [5] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u8 n_methods */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->n_methods)); + written += 1; ptr += 1; + + /* Encode u8 methods[n_methods] */ + { + size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->methods); + trunnel_assert(obj->n_methods == elt_len); + trunnel_assert(written <= avail); + if (avail - written < elt_len) + goto truncated; + if (elt_len) + memcpy(ptr, obj->methods.elts_, elt_len); + written += elt_len; ptr += elt_len; + } + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As socks5_client_version_parse(), but do not allocate the output + * object. + */ +static ssize_t +socks5_client_version_parse_into(socks5_client_version_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [5] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 5)) + goto fail; + + /* Parse u8 n_methods */ + CHECK_REMAINING(1, truncated); + obj->n_methods = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + + /* Parse u8 methods[n_methods] */ + CHECK_REMAINING(obj->n_methods, truncated); + TRUNNEL_DYNARRAY_EXPAND(uint8_t, &obj->methods, obj->n_methods, {}); + obj->methods.n_ = obj->n_methods; + if (obj->n_methods) + memcpy(obj->methods.elts_, ptr, obj->n_methods); + ptr += obj->n_methods; remaining -= obj->n_methods; + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + trunnel_alloc_failed: + return -1; + fail: + result = -1; + return result; +} + +ssize_t +socks5_client_version_parse(socks5_client_version_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = socks5_client_version_new(); + if (NULL == *output) + return -1; + result = socks5_client_version_parse_into(*output, input, len_in); + if (result < 0) { + socks5_client_version_free(*output); + *output = NULL; + } + return result; +} +socks5_server_method_t * +socks5_server_method_new(void) +{ + socks5_server_method_t *val = trunnel_calloc(1, sizeof(socks5_server_method_t)); + if (NULL == val) + return NULL; + val->version = 5; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +socks5_server_method_clear(socks5_server_method_t *obj) +{ + (void) obj; +} + +void +socks5_server_method_free(socks5_server_method_t *obj) +{ + if (obj == NULL) + return; + socks5_server_method_clear(obj); + trunnel_memwipe(obj, sizeof(socks5_server_method_t)); + trunnel_free_(obj); +} + +uint8_t +socks5_server_method_get_version(const socks5_server_method_t *inp) +{ + return inp->version; +} +int +socks5_server_method_set_version(socks5_server_method_t *inp, uint8_t val) +{ + if (! ((val == 5))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint8_t +socks5_server_method_get_method(const socks5_server_method_t *inp) +{ + return inp->method; +} +int +socks5_server_method_set_method(socks5_server_method_t *inp, uint8_t val) +{ + inp->method = val; + return 0; +} +const char * +socks5_server_method_check(const socks5_server_method_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 5)) + return "Integer out of bounds"; + return NULL; +} + +ssize_t +socks5_server_method_encoded_len(const socks5_server_method_t *obj) +{ + ssize_t result = 0; + + if (NULL != socks5_server_method_check(obj)) + return -1; + + + /* Length of u8 version IN [5] */ + result += 1; + + /* Length of u8 method */ + result += 1; + return result; +} +int +socks5_server_method_clear_errors(socks5_server_method_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +socks5_server_method_encode(uint8_t *output, const size_t avail, const socks5_server_method_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = socks5_server_method_encoded_len(obj); +#endif + + if (NULL != (msg = socks5_server_method_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [5] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u8 method */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->method)); + written += 1; ptr += 1; + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As socks5_server_method_parse(), but do not allocate the output + * object. + */ +static ssize_t +socks5_server_method_parse_into(socks5_server_method_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [5] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 5)) + goto fail; + + /* Parse u8 method */ + CHECK_REMAINING(1, truncated); + obj->method = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + fail: + result = -1; + return result; +} + +ssize_t +socks5_server_method_parse(socks5_server_method_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = socks5_server_method_new(); + if (NULL == *output) + return -1; + result = socks5_server_method_parse_into(*output, input, len_in); + if (result < 0) { + socks5_server_method_free(*output); + *output = NULL; + } + return result; +} +socks5_server_userpath_auth_t * +socks5_server_userpath_auth_new(void) +{ + socks5_server_userpath_auth_t *val = trunnel_calloc(1, sizeof(socks5_server_userpath_auth_t)); + if (NULL == val) + return NULL; + val->version = 1; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +socks5_server_userpath_auth_clear(socks5_server_userpath_auth_t *obj) +{ + (void) obj; +} + +void +socks5_server_userpath_auth_free(socks5_server_userpath_auth_t *obj) +{ + if (obj == NULL) + return; + socks5_server_userpath_auth_clear(obj); + trunnel_memwipe(obj, sizeof(socks5_server_userpath_auth_t)); + trunnel_free_(obj); +} + +uint8_t +socks5_server_userpath_auth_get_version(const socks5_server_userpath_auth_t *inp) +{ + return inp->version; +} +int +socks5_server_userpath_auth_set_version(socks5_server_userpath_auth_t *inp, uint8_t val) +{ + if (! ((val == 1))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint8_t +socks5_server_userpath_auth_get_status(const socks5_server_userpath_auth_t *inp) +{ + return inp->status; +} +int +socks5_server_userpath_auth_set_status(socks5_server_userpath_auth_t *inp, uint8_t val) +{ + inp->status = val; + return 0; +} +const char * +socks5_server_userpath_auth_check(const socks5_server_userpath_auth_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 1)) + return "Integer out of bounds"; + return NULL; +} + +ssize_t +socks5_server_userpath_auth_encoded_len(const socks5_server_userpath_auth_t *obj) +{ + ssize_t result = 0; + + if (NULL != socks5_server_userpath_auth_check(obj)) + return -1; + + + /* Length of u8 version IN [1] */ + result += 1; + + /* Length of u8 status */ + result += 1; + return result; +} +int +socks5_server_userpath_auth_clear_errors(socks5_server_userpath_auth_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +socks5_server_userpath_auth_encode(uint8_t *output, const size_t avail, const socks5_server_userpath_auth_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = socks5_server_userpath_auth_encoded_len(obj); +#endif + + if (NULL != (msg = socks5_server_userpath_auth_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [1] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u8 status */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->status)); + written += 1; ptr += 1; + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As socks5_server_userpath_auth_parse(), but do not allocate the + * output object. + */ +static ssize_t +socks5_server_userpath_auth_parse_into(socks5_server_userpath_auth_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [1] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 1)) + goto fail; + + /* Parse u8 status */ + CHECK_REMAINING(1, truncated); + obj->status = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + fail: + result = -1; + return result; +} + +ssize_t +socks5_server_userpath_auth_parse(socks5_server_userpath_auth_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = socks5_server_userpath_auth_new(); + if (NULL == *output) + return -1; + result = socks5_server_userpath_auth_parse_into(*output, input, len_in); + if (result < 0) { + socks5_server_userpath_auth_free(*output); + *output = NULL; + } + return result; +} +tor_socksauth_keyval_t * +tor_socksauth_keyval_new(void) +{ + tor_socksauth_keyval_t *val = trunnel_calloc(1, sizeof(tor_socksauth_keyval_t)); + if (NULL == val) + return NULL; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +tor_socksauth_keyval_clear(tor_socksauth_keyval_t *obj) +{ + (void) obj; + TRUNNEL_DYNARRAY_WIPE(&obj->key); + TRUNNEL_DYNARRAY_CLEAR(&obj->key); + TRUNNEL_DYNARRAY_WIPE(&obj->val); + TRUNNEL_DYNARRAY_CLEAR(&obj->val); +} + +void +tor_socksauth_keyval_free(tor_socksauth_keyval_t *obj) +{ + if (obj == NULL) + return; + tor_socksauth_keyval_clear(obj); + trunnel_memwipe(obj, sizeof(tor_socksauth_keyval_t)); + trunnel_free_(obj); +} + +uint16_t +tor_socksauth_keyval_get_keylen(const tor_socksauth_keyval_t *inp) +{ + return inp->keylen; +} +int +tor_socksauth_keyval_set_keylen(tor_socksauth_keyval_t *inp, uint16_t val) +{ + inp->keylen = val; + return 0; +} +size_t +tor_socksauth_keyval_getlen_key(const tor_socksauth_keyval_t *inp) +{ + return TRUNNEL_DYNARRAY_LEN(&inp->key); +} + +char +tor_socksauth_keyval_get_key(tor_socksauth_keyval_t *inp, size_t idx) +{ + return TRUNNEL_DYNARRAY_GET(&inp->key, idx); +} + +char +tor_socksauth_keyval_getconst_key(const tor_socksauth_keyval_t *inp, size_t idx) +{ + return tor_socksauth_keyval_get_key((tor_socksauth_keyval_t*)inp, idx); +} +int +tor_socksauth_keyval_set_key(tor_socksauth_keyval_t *inp, size_t idx, char elt) +{ + TRUNNEL_DYNARRAY_SET(&inp->key, idx, elt); + return 0; +} +int +tor_socksauth_keyval_add_key(tor_socksauth_keyval_t *inp, char elt) +{ +#if SIZE_MAX >= UINT16_MAX + if (inp->key.n_ == UINT16_MAX) + goto trunnel_alloc_failed; +#endif + TRUNNEL_DYNARRAY_ADD(char, &inp->key, elt, {}); + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} + +char * +tor_socksauth_keyval_getarray_key(tor_socksauth_keyval_t *inp) +{ + return inp->key.elts_; +} +const char * +tor_socksauth_keyval_getconstarray_key(const tor_socksauth_keyval_t *inp) +{ + return (const char *)tor_socksauth_keyval_getarray_key((tor_socksauth_keyval_t*)inp); +} +int +tor_socksauth_keyval_setlen_key(tor_socksauth_keyval_t *inp, size_t newlen) +{ +#if UINT16_MAX < SIZE_MAX + if (newlen > UINT16_MAX) + goto trunnel_alloc_failed; +#endif + return trunnel_string_setlen(&inp->key, newlen, + &inp->trunnel_error_code_); + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} +const char * +tor_socksauth_keyval_getstr_key(tor_socksauth_keyval_t *inp) +{ + return trunnel_string_getstr(&inp->key); +} +int +tor_socksauth_keyval_setstr0_key(tor_socksauth_keyval_t *inp, const char *val, size_t len) +{ +#if UINT16_MAX < SIZE_MAX + if (len > UINT16_MAX) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } +#endif + return trunnel_string_setstr0(&inp->key, val, len, &inp->trunnel_error_code_); +} +int +tor_socksauth_keyval_setstr_key(tor_socksauth_keyval_t *inp, const char *val) +{ + return tor_socksauth_keyval_setstr0_key(inp, val, strlen(val)); +} +uint16_t +tor_socksauth_keyval_get_vallen(const tor_socksauth_keyval_t *inp) +{ + return inp->vallen; +} +int +tor_socksauth_keyval_set_vallen(tor_socksauth_keyval_t *inp, uint16_t val) +{ + inp->vallen = val; + return 0; +} +size_t +tor_socksauth_keyval_getlen_val(const tor_socksauth_keyval_t *inp) +{ + return TRUNNEL_DYNARRAY_LEN(&inp->val); +} + +char +tor_socksauth_keyval_get_val(tor_socksauth_keyval_t *inp, size_t idx) +{ + return TRUNNEL_DYNARRAY_GET(&inp->val, idx); +} + +char +tor_socksauth_keyval_getconst_val(const tor_socksauth_keyval_t *inp, size_t idx) +{ + return tor_socksauth_keyval_get_val((tor_socksauth_keyval_t*)inp, idx); +} +int +tor_socksauth_keyval_set_val(tor_socksauth_keyval_t *inp, size_t idx, char elt) +{ + TRUNNEL_DYNARRAY_SET(&inp->val, idx, elt); + return 0; +} +int +tor_socksauth_keyval_add_val(tor_socksauth_keyval_t *inp, char elt) +{ +#if SIZE_MAX >= UINT16_MAX + if (inp->val.n_ == UINT16_MAX) + goto trunnel_alloc_failed; +#endif + TRUNNEL_DYNARRAY_ADD(char, &inp->val, elt, {}); + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} + +char * +tor_socksauth_keyval_getarray_val(tor_socksauth_keyval_t *inp) +{ + return inp->val.elts_; +} +const char * +tor_socksauth_keyval_getconstarray_val(const tor_socksauth_keyval_t *inp) +{ + return (const char *)tor_socksauth_keyval_getarray_val((tor_socksauth_keyval_t*)inp); +} +int +tor_socksauth_keyval_setlen_val(tor_socksauth_keyval_t *inp, size_t newlen) +{ +#if UINT16_MAX < SIZE_MAX + if (newlen > UINT16_MAX) + goto trunnel_alloc_failed; +#endif + return trunnel_string_setlen(&inp->val, newlen, + &inp->trunnel_error_code_); + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} +const char * +tor_socksauth_keyval_getstr_val(tor_socksauth_keyval_t *inp) +{ + return trunnel_string_getstr(&inp->val); +} +int +tor_socksauth_keyval_setstr0_val(tor_socksauth_keyval_t *inp, const char *val, size_t len) +{ +#if UINT16_MAX < SIZE_MAX + if (len > UINT16_MAX) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } +#endif + return trunnel_string_setstr0(&inp->val, val, len, &inp->trunnel_error_code_); +} +int +tor_socksauth_keyval_setstr_val(tor_socksauth_keyval_t *inp, const char *val) +{ + return tor_socksauth_keyval_setstr0_val(inp, val, strlen(val)); +} +const char * +tor_socksauth_keyval_check(const tor_socksauth_keyval_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (TRUNNEL_DYNARRAY_LEN(&obj->key) != obj->keylen) + return "Length mismatch for key"; + if (TRUNNEL_DYNARRAY_LEN(&obj->val) != obj->vallen) + return "Length mismatch for val"; + return NULL; +} + +ssize_t +tor_socksauth_keyval_encoded_len(const tor_socksauth_keyval_t *obj) +{ + ssize_t result = 0; + + if (NULL != tor_socksauth_keyval_check(obj)) + return -1; + + + /* Length of u16 keylen */ + result += 2; + + /* Length of char key[keylen] */ + result += TRUNNEL_DYNARRAY_LEN(&obj->key); + + /* Length of u16 vallen */ + result += 2; + + /* Length of char val[vallen] */ + result += TRUNNEL_DYNARRAY_LEN(&obj->val); + return result; +} +int +tor_socksauth_keyval_clear_errors(tor_socksauth_keyval_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +tor_socksauth_keyval_encode(uint8_t *output, const size_t avail, const tor_socksauth_keyval_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = tor_socksauth_keyval_encoded_len(obj); +#endif + + if (NULL != (msg = tor_socksauth_keyval_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u16 keylen */ + trunnel_assert(written <= avail); + if (avail - written < 2) + goto truncated; + trunnel_set_uint16(ptr, trunnel_htons(obj->keylen)); + written += 2; ptr += 2; + + /* Encode char key[keylen] */ + { + size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->key); + trunnel_assert(obj->keylen == elt_len); + trunnel_assert(written <= avail); + if (avail - written < elt_len) + goto truncated; + if (elt_len) + memcpy(ptr, obj->key.elts_, elt_len); + written += elt_len; ptr += elt_len; + } + + /* Encode u16 vallen */ + trunnel_assert(written <= avail); + if (avail - written < 2) + goto truncated; + trunnel_set_uint16(ptr, trunnel_htons(obj->vallen)); + written += 2; ptr += 2; + + /* Encode char val[vallen] */ + { + size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->val); + trunnel_assert(obj->vallen == elt_len); + trunnel_assert(written <= avail); + if (avail - written < elt_len) + goto truncated; + if (elt_len) + memcpy(ptr, obj->val.elts_, elt_len); + written += elt_len; ptr += elt_len; + } + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As tor_socksauth_keyval_parse(), but do not allocate the output + * object. + */ +static ssize_t +tor_socksauth_keyval_parse_into(tor_socksauth_keyval_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u16 keylen */ + CHECK_REMAINING(2, truncated); + obj->keylen = trunnel_ntohs(trunnel_get_uint16(ptr)); + remaining -= 2; ptr += 2; + + /* Parse char key[keylen] */ + CHECK_REMAINING(obj->keylen, truncated); + if (tor_socksauth_keyval_setstr0_key(obj, (const char*)ptr, obj->keylen)) + goto fail; + ptr += obj->keylen; remaining -= obj->keylen; + + /* Parse u16 vallen */ + CHECK_REMAINING(2, truncated); + obj->vallen = trunnel_ntohs(trunnel_get_uint16(ptr)); + remaining -= 2; ptr += 2; + + /* Parse char val[vallen] */ + CHECK_REMAINING(obj->vallen, truncated); + if (tor_socksauth_keyval_setstr0_val(obj, (const char*)ptr, obj->vallen)) + goto fail; + ptr += obj->vallen; remaining -= obj->vallen; + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + fail: + result = -1; + return result; +} + +ssize_t +tor_socksauth_keyval_parse(tor_socksauth_keyval_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = tor_socksauth_keyval_new(); + if (NULL == *output) + return -1; + result = tor_socksauth_keyval_parse_into(*output, input, len_in); + if (result < 0) { + tor_socksauth_keyval_free(*output); + *output = NULL; + } + return result; +} +socks5_client_request_t * +socks5_client_request_new(void) +{ + socks5_client_request_t *val = trunnel_calloc(1, sizeof(socks5_client_request_t)); + if (NULL == val) + return NULL; + val->version = 5; + val->command = CMD_BIND; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +socks5_client_request_clear(socks5_client_request_t *obj) +{ + (void) obj; + domainname_free(obj->dest_addr_domainname); + obj->dest_addr_domainname = NULL; +} + +void +socks5_client_request_free(socks5_client_request_t *obj) +{ + if (obj == NULL) + return; + socks5_client_request_clear(obj); + trunnel_memwipe(obj, sizeof(socks5_client_request_t)); + trunnel_free_(obj); +} + +uint8_t +socks5_client_request_get_version(const socks5_client_request_t *inp) +{ + return inp->version; +} +int +socks5_client_request_set_version(socks5_client_request_t *inp, uint8_t val) +{ + if (! ((val == 5))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint8_t +socks5_client_request_get_command(const socks5_client_request_t *inp) +{ + return inp->command; +} +int +socks5_client_request_set_command(socks5_client_request_t *inp, uint8_t val) +{ + if (! ((val == CMD_BIND || val == CMD_CONNECT || val == CMD_RESOLVE_PTR || val == CMD_UDP_ASSOCIATE))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->command = val; + return 0; +} +uint8_t +socks5_client_request_get_reserved(const socks5_client_request_t *inp) +{ + return inp->reserved; +} +int +socks5_client_request_set_reserved(socks5_client_request_t *inp, uint8_t val) +{ + if (! ((val == 0))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->reserved = val; + return 0; +} +uint8_t +socks5_client_request_get_atype(const socks5_client_request_t *inp) +{ + return inp->atype; +} +int +socks5_client_request_set_atype(socks5_client_request_t *inp, uint8_t val) +{ + inp->atype = val; + return 0; +} +uint32_t +socks5_client_request_get_dest_addr_ipv4(const socks5_client_request_t *inp) +{ + return inp->dest_addr_ipv4; +} +int +socks5_client_request_set_dest_addr_ipv4(socks5_client_request_t *inp, uint32_t val) +{ + inp->dest_addr_ipv4 = val; + return 0; +} +size_t +socks5_client_request_getlen_dest_addr_ipv6(const socks5_client_request_t *inp) +{ + (void)inp; return 16; +} + +uint8_t +socks5_client_request_get_dest_addr_ipv6(socks5_client_request_t *inp, size_t idx) +{ + trunnel_assert(idx < 16); + return inp->dest_addr_ipv6[idx]; +} + +uint8_t +socks5_client_request_getconst_dest_addr_ipv6(const socks5_client_request_t *inp, size_t idx) +{ + return socks5_client_request_get_dest_addr_ipv6((socks5_client_request_t*)inp, idx); +} +int +socks5_client_request_set_dest_addr_ipv6(socks5_client_request_t *inp, size_t idx, uint8_t elt) +{ + trunnel_assert(idx < 16); + inp->dest_addr_ipv6[idx] = elt; + return 0; +} + +uint8_t * +socks5_client_request_getarray_dest_addr_ipv6(socks5_client_request_t *inp) +{ + return inp->dest_addr_ipv6; +} +const uint8_t * +socks5_client_request_getconstarray_dest_addr_ipv6(const socks5_client_request_t *inp) +{ + return (const uint8_t *)socks5_client_request_getarray_dest_addr_ipv6((socks5_client_request_t*)inp); +} +struct domainname_st * +socks5_client_request_get_dest_addr_domainname(socks5_client_request_t *inp) +{ + return inp->dest_addr_domainname; +} +const struct domainname_st * +socks5_client_request_getconst_dest_addr_domainname(const socks5_client_request_t *inp) +{ + return socks5_client_request_get_dest_addr_domainname((socks5_client_request_t*) inp); +} +int +socks5_client_request_set_dest_addr_domainname(socks5_client_request_t *inp, struct domainname_st *val) +{ + if (inp->dest_addr_domainname && inp->dest_addr_domainname != val) + domainname_free(inp->dest_addr_domainname); + return socks5_client_request_set0_dest_addr_domainname(inp, val); +} +int +socks5_client_request_set0_dest_addr_domainname(socks5_client_request_t *inp, struct domainname_st *val) +{ + inp->dest_addr_domainname = val; + return 0; +} +uint16_t +socks5_client_request_get_dest_port(const socks5_client_request_t *inp) +{ + return inp->dest_port; +} +int +socks5_client_request_set_dest_port(socks5_client_request_t *inp, uint16_t val) +{ + inp->dest_port = val; + return 0; +} +const char * +socks5_client_request_check(const socks5_client_request_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 5)) + return "Integer out of bounds"; + if (! (obj->command == CMD_BIND || obj->command == CMD_CONNECT || obj->command == CMD_RESOLVE_PTR || obj->command == CMD_UDP_ASSOCIATE)) + return "Integer out of bounds"; + if (! (obj->reserved == 0)) + return "Integer out of bounds"; + switch (obj->atype) { + + case ATYPE_IPV4: + break; + + case ATYPE_IPV6: + break; + + case ATYPE_DOMAINNAME: + { + const char *msg; + if (NULL != (msg = domainname_check(obj->dest_addr_domainname))) + return msg; + } + break; + + default: + return "Bad tag for union"; + break; + } + return NULL; +} + +ssize_t +socks5_client_request_encoded_len(const socks5_client_request_t *obj) +{ + ssize_t result = 0; + + if (NULL != socks5_client_request_check(obj)) + return -1; + + + /* Length of u8 version IN [5] */ + result += 1; + + /* Length of u8 command IN [CMD_BIND, CMD_CONNECT, CMD_RESOLVE_PTR, CMD_UDP_ASSOCIATE] */ + result += 1; + + /* Length of u8 reserved IN [0] */ + result += 1; + + /* Length of u8 atype */ + result += 1; + switch (obj->atype) { + + case ATYPE_IPV4: + + /* Length of u32 dest_addr_ipv4 */ + result += 4; + break; + + case ATYPE_IPV6: + + /* Length of u8 dest_addr_ipv6[16] */ + result += 16; + break; + + case ATYPE_DOMAINNAME: + + /* Length of struct domainname dest_addr_domainname */ + result += domainname_encoded_len(obj->dest_addr_domainname); + break; + + default: + trunnel_assert(0); + break; + } + + /* Length of u16 dest_port */ + result += 2; + return result; +} +int +socks5_client_request_clear_errors(socks5_client_request_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +socks5_client_request_encode(uint8_t *output, const size_t avail, const socks5_client_request_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = socks5_client_request_encoded_len(obj); +#endif + + if (NULL != (msg = socks5_client_request_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [5] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u8 command IN [CMD_BIND, CMD_CONNECT, CMD_RESOLVE_PTR, CMD_UDP_ASSOCIATE] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->command)); + written += 1; ptr += 1; + + /* Encode u8 reserved IN [0] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->reserved)); + written += 1; ptr += 1; + + /* Encode u8 atype */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->atype)); + written += 1; ptr += 1; + + /* Encode union dest_addr[atype] */ + trunnel_assert(written <= avail); + switch (obj->atype) { + + case ATYPE_IPV4: + + /* Encode u32 dest_addr_ipv4 */ + trunnel_assert(written <= avail); + if (avail - written < 4) + goto truncated; + trunnel_set_uint32(ptr, trunnel_htonl(obj->dest_addr_ipv4)); + written += 4; ptr += 4; + break; + + case ATYPE_IPV6: + + /* Encode u8 dest_addr_ipv6[16] */ + trunnel_assert(written <= avail); + if (avail - written < 16) + goto truncated; + memcpy(ptr, obj->dest_addr_ipv6, 16); + written += 16; ptr += 16; + break; + + case ATYPE_DOMAINNAME: + + /* Encode struct domainname dest_addr_domainname */ + trunnel_assert(written <= avail); + result = domainname_encode(ptr, avail - written, obj->dest_addr_domainname); + if (result < 0) + goto fail; /* XXXXXXX !*/ + written += result; ptr += result; + break; + + default: + trunnel_assert(0); + break; + } + + /* Encode u16 dest_port */ + trunnel_assert(written <= avail); + if (avail - written < 2) + goto truncated; + trunnel_set_uint16(ptr, trunnel_htons(obj->dest_port)); + written += 2; ptr += 2; + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As socks5_client_request_parse(), but do not allocate the output + * object. + */ +static ssize_t +socks5_client_request_parse_into(socks5_client_request_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [5] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 5)) + goto fail; + + /* Parse u8 command IN [CMD_BIND, CMD_CONNECT, CMD_RESOLVE_PTR, CMD_UDP_ASSOCIATE] */ + CHECK_REMAINING(1, truncated); + obj->command = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->command == CMD_BIND || obj->command == CMD_CONNECT || obj->command == CMD_RESOLVE_PTR || obj->command == CMD_UDP_ASSOCIATE)) + goto fail; + + /* Parse u8 reserved IN [0] */ + CHECK_REMAINING(1, truncated); + obj->reserved = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->reserved == 0)) + goto fail; + + /* Parse u8 atype */ + CHECK_REMAINING(1, truncated); + obj->atype = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + + /* Parse union dest_addr[atype] */ + switch (obj->atype) { + + case ATYPE_IPV4: + + /* Parse u32 dest_addr_ipv4 */ + CHECK_REMAINING(4, truncated); + obj->dest_addr_ipv4 = trunnel_ntohl(trunnel_get_uint32(ptr)); + remaining -= 4; ptr += 4; + break; + + case ATYPE_IPV6: + + /* Parse u8 dest_addr_ipv6[16] */ + CHECK_REMAINING(16, truncated); + memcpy(obj->dest_addr_ipv6, ptr, 16); + remaining -= 16; ptr += 16; + break; + + case ATYPE_DOMAINNAME: + + /* Parse struct domainname dest_addr_domainname */ + result = domainname_parse(&obj->dest_addr_domainname, ptr, remaining); + if (result < 0) + goto relay_fail; + trunnel_assert((size_t)result <= remaining); + remaining -= result; ptr += result; + break; + + default: + goto fail; + break; + } + + /* Parse u16 dest_port */ + CHECK_REMAINING(2, truncated); + obj->dest_port = trunnel_ntohs(trunnel_get_uint16(ptr)); + remaining -= 2; ptr += 2; + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + relay_fail: + trunnel_assert(result < 0); + return result; + fail: + result = -1; + return result; +} + +ssize_t +socks5_client_request_parse(socks5_client_request_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = socks5_client_request_new(); + if (NULL == *output) + return -1; + result = socks5_client_request_parse_into(*output, input, len_in); + if (result < 0) { + socks5_client_request_free(*output); + *output = NULL; + } + return result; +} +socks5_server_reply_t * +socks5_server_reply_new(void) +{ + socks5_server_reply_t *val = trunnel_calloc(1, sizeof(socks5_server_reply_t)); + if (NULL == val) + return NULL; + val->version = 5; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +socks5_server_reply_clear(socks5_server_reply_t *obj) +{ + (void) obj; + domainname_free(obj->bind_addr_domainname); + obj->bind_addr_domainname = NULL; +} + +void +socks5_server_reply_free(socks5_server_reply_t *obj) +{ + if (obj == NULL) + return; + socks5_server_reply_clear(obj); + trunnel_memwipe(obj, sizeof(socks5_server_reply_t)); + trunnel_free_(obj); +} + +uint8_t +socks5_server_reply_get_version(const socks5_server_reply_t *inp) +{ + return inp->version; +} +int +socks5_server_reply_set_version(socks5_server_reply_t *inp, uint8_t val) +{ + if (! ((val == 5))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint8_t +socks5_server_reply_get_reply(const socks5_server_reply_t *inp) +{ + return inp->reply; +} +int +socks5_server_reply_set_reply(socks5_server_reply_t *inp, uint8_t val) +{ + inp->reply = val; + return 0; +} +uint8_t +socks5_server_reply_get_reserved(const socks5_server_reply_t *inp) +{ + return inp->reserved; +} +int +socks5_server_reply_set_reserved(socks5_server_reply_t *inp, uint8_t val) +{ + if (! ((val == 0))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->reserved = val; + return 0; +} +uint8_t +socks5_server_reply_get_atype(const socks5_server_reply_t *inp) +{ + return inp->atype; +} +int +socks5_server_reply_set_atype(socks5_server_reply_t *inp, uint8_t val) +{ + inp->atype = val; + return 0; +} +uint32_t +socks5_server_reply_get_bind_addr_ipv4(const socks5_server_reply_t *inp) +{ + return inp->bind_addr_ipv4; +} +int +socks5_server_reply_set_bind_addr_ipv4(socks5_server_reply_t *inp, uint32_t val) +{ + inp->bind_addr_ipv4 = val; + return 0; +} +size_t +socks5_server_reply_getlen_bind_addr_ipv6(const socks5_server_reply_t *inp) +{ + (void)inp; return 16; +} + +uint8_t +socks5_server_reply_get_bind_addr_ipv6(socks5_server_reply_t *inp, size_t idx) +{ + trunnel_assert(idx < 16); + return inp->bind_addr_ipv6[idx]; +} + +uint8_t +socks5_server_reply_getconst_bind_addr_ipv6(const socks5_server_reply_t *inp, size_t idx) +{ + return socks5_server_reply_get_bind_addr_ipv6((socks5_server_reply_t*)inp, idx); +} +int +socks5_server_reply_set_bind_addr_ipv6(socks5_server_reply_t *inp, size_t idx, uint8_t elt) +{ + trunnel_assert(idx < 16); + inp->bind_addr_ipv6[idx] = elt; + return 0; +} + +uint8_t * +socks5_server_reply_getarray_bind_addr_ipv6(socks5_server_reply_t *inp) +{ + return inp->bind_addr_ipv6; +} +const uint8_t * +socks5_server_reply_getconstarray_bind_addr_ipv6(const socks5_server_reply_t *inp) +{ + return (const uint8_t *)socks5_server_reply_getarray_bind_addr_ipv6((socks5_server_reply_t*)inp); +} +struct domainname_st * +socks5_server_reply_get_bind_addr_domainname(socks5_server_reply_t *inp) +{ + return inp->bind_addr_domainname; +} +const struct domainname_st * +socks5_server_reply_getconst_bind_addr_domainname(const socks5_server_reply_t *inp) +{ + return socks5_server_reply_get_bind_addr_domainname((socks5_server_reply_t*) inp); +} +int +socks5_server_reply_set_bind_addr_domainname(socks5_server_reply_t *inp, struct domainname_st *val) +{ + if (inp->bind_addr_domainname && inp->bind_addr_domainname != val) + domainname_free(inp->bind_addr_domainname); + return socks5_server_reply_set0_bind_addr_domainname(inp, val); +} +int +socks5_server_reply_set0_bind_addr_domainname(socks5_server_reply_t *inp, struct domainname_st *val) +{ + inp->bind_addr_domainname = val; + return 0; +} +uint16_t +socks5_server_reply_get_bind_port(const socks5_server_reply_t *inp) +{ + return inp->bind_port; +} +int +socks5_server_reply_set_bind_port(socks5_server_reply_t *inp, uint16_t val) +{ + inp->bind_port = val; + return 0; +} +const char * +socks5_server_reply_check(const socks5_server_reply_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 5)) + return "Integer out of bounds"; + if (! (obj->reserved == 0)) + return "Integer out of bounds"; + switch (obj->atype) { + + case ATYPE_IPV4: + break; + + case ATYPE_IPV6: + break; + + case ATYPE_DOMAINNAME: + { + const char *msg; + if (NULL != (msg = domainname_check(obj->bind_addr_domainname))) + return msg; + } + break; + + default: + return "Bad tag for union"; + break; + } + return NULL; +} + +ssize_t +socks5_server_reply_encoded_len(const socks5_server_reply_t *obj) +{ + ssize_t result = 0; + + if (NULL != socks5_server_reply_check(obj)) + return -1; + + + /* Length of u8 version IN [5] */ + result += 1; + + /* Length of u8 reply */ + result += 1; + + /* Length of u8 reserved IN [0] */ + result += 1; + + /* Length of u8 atype */ + result += 1; + switch (obj->atype) { + + case ATYPE_IPV4: + + /* Length of u32 bind_addr_ipv4 */ + result += 4; + break; + + case ATYPE_IPV6: + + /* Length of u8 bind_addr_ipv6[16] */ + result += 16; + break; + + case ATYPE_DOMAINNAME: + + /* Length of struct domainname bind_addr_domainname */ + result += domainname_encoded_len(obj->bind_addr_domainname); + break; + + default: + trunnel_assert(0); + break; + } + + /* Length of u16 bind_port */ + result += 2; + return result; +} +int +socks5_server_reply_clear_errors(socks5_server_reply_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +socks5_server_reply_encode(uint8_t *output, const size_t avail, const socks5_server_reply_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = socks5_server_reply_encoded_len(obj); +#endif + + if (NULL != (msg = socks5_server_reply_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [5] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u8 reply */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->reply)); + written += 1; ptr += 1; + + /* Encode u8 reserved IN [0] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->reserved)); + written += 1; ptr += 1; + + /* Encode u8 atype */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->atype)); + written += 1; ptr += 1; + + /* Encode union bind_addr[atype] */ + trunnel_assert(written <= avail); + switch (obj->atype) { + + case ATYPE_IPV4: + + /* Encode u32 bind_addr_ipv4 */ + trunnel_assert(written <= avail); + if (avail - written < 4) + goto truncated; + trunnel_set_uint32(ptr, trunnel_htonl(obj->bind_addr_ipv4)); + written += 4; ptr += 4; + break; + + case ATYPE_IPV6: + + /* Encode u8 bind_addr_ipv6[16] */ + trunnel_assert(written <= avail); + if (avail - written < 16) + goto truncated; + memcpy(ptr, obj->bind_addr_ipv6, 16); + written += 16; ptr += 16; + break; + + case ATYPE_DOMAINNAME: + + /* Encode struct domainname bind_addr_domainname */ + trunnel_assert(written <= avail); + result = domainname_encode(ptr, avail - written, obj->bind_addr_domainname); + if (result < 0) + goto fail; /* XXXXXXX !*/ + written += result; ptr += result; + break; + + default: + trunnel_assert(0); + break; + } + + /* Encode u16 bind_port */ + trunnel_assert(written <= avail); + if (avail - written < 2) + goto truncated; + trunnel_set_uint16(ptr, trunnel_htons(obj->bind_port)); + written += 2; ptr += 2; + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As socks5_server_reply_parse(), but do not allocate the output + * object. + */ +static ssize_t +socks5_server_reply_parse_into(socks5_server_reply_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [5] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 5)) + goto fail; + + /* Parse u8 reply */ + CHECK_REMAINING(1, truncated); + obj->reply = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + + /* Parse u8 reserved IN [0] */ + CHECK_REMAINING(1, truncated); + obj->reserved = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->reserved == 0)) + goto fail; + + /* Parse u8 atype */ + CHECK_REMAINING(1, truncated); + obj->atype = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + + /* Parse union bind_addr[atype] */ + switch (obj->atype) { + + case ATYPE_IPV4: + + /* Parse u32 bind_addr_ipv4 */ + CHECK_REMAINING(4, truncated); + obj->bind_addr_ipv4 = trunnel_ntohl(trunnel_get_uint32(ptr)); + remaining -= 4; ptr += 4; + break; + + case ATYPE_IPV6: + + /* Parse u8 bind_addr_ipv6[16] */ + CHECK_REMAINING(16, truncated); + memcpy(obj->bind_addr_ipv6, ptr, 16); + remaining -= 16; ptr += 16; + break; + + case ATYPE_DOMAINNAME: + + /* Parse struct domainname bind_addr_domainname */ + result = domainname_parse(&obj->bind_addr_domainname, ptr, remaining); + if (result < 0) + goto relay_fail; + trunnel_assert((size_t)result <= remaining); + remaining -= result; ptr += result; + break; + + default: + goto fail; + break; + } + + /* Parse u16 bind_port */ + CHECK_REMAINING(2, truncated); + obj->bind_port = trunnel_ntohs(trunnel_get_uint16(ptr)); + remaining -= 2; ptr += 2; + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + relay_fail: + trunnel_assert(result < 0); + return result; + fail: + result = -1; + return result; +} + +ssize_t +socks5_server_reply_parse(socks5_server_reply_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = socks5_server_reply_new(); + if (NULL == *output) + return -1; + result = socks5_server_reply_parse_into(*output, input, len_in); + if (result < 0) { + socks5_server_reply_free(*output); + *output = NULL; + } + return result; +} +tor_extended_socks_auth_request_t * +tor_extended_socks_auth_request_new(void) +{ + tor_extended_socks_auth_request_t *val = trunnel_calloc(1, sizeof(tor_extended_socks_auth_request_t)); + if (NULL == val) + return NULL; + val->version = 1; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +tor_extended_socks_auth_request_clear(tor_extended_socks_auth_request_t *obj) +{ + (void) obj; + { + + unsigned idx; + for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->pairs); ++idx) { + tor_socksauth_keyval_free(TRUNNEL_DYNARRAY_GET(&obj->pairs, idx)); + } + } + TRUNNEL_DYNARRAY_WIPE(&obj->pairs); + TRUNNEL_DYNARRAY_CLEAR(&obj->pairs); +} + +void +tor_extended_socks_auth_request_free(tor_extended_socks_auth_request_t *obj) +{ + if (obj == NULL) + return; + tor_extended_socks_auth_request_clear(obj); + trunnel_memwipe(obj, sizeof(tor_extended_socks_auth_request_t)); + trunnel_free_(obj); +} + +uint8_t +tor_extended_socks_auth_request_get_version(const tor_extended_socks_auth_request_t *inp) +{ + return inp->version; +} +int +tor_extended_socks_auth_request_set_version(tor_extended_socks_auth_request_t *inp, uint8_t val) +{ + if (! ((val == 1))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint16_t +tor_extended_socks_auth_request_get_npairs(const tor_extended_socks_auth_request_t *inp) +{ + return inp->npairs; +} +int +tor_extended_socks_auth_request_set_npairs(tor_extended_socks_auth_request_t *inp, uint16_t val) +{ + inp->npairs = val; + return 0; +} +size_t +tor_extended_socks_auth_request_getlen_pairs(const tor_extended_socks_auth_request_t *inp) +{ + return TRUNNEL_DYNARRAY_LEN(&inp->pairs); +} + +struct tor_socksauth_keyval_st * +tor_extended_socks_auth_request_get_pairs(tor_extended_socks_auth_request_t *inp, size_t idx) +{ + return TRUNNEL_DYNARRAY_GET(&inp->pairs, idx); +} + + const struct tor_socksauth_keyval_st * +tor_extended_socks_auth_request_getconst_pairs(const tor_extended_socks_auth_request_t *inp, size_t idx) +{ + return tor_extended_socks_auth_request_get_pairs((tor_extended_socks_auth_request_t*)inp, idx); +} +int +tor_extended_socks_auth_request_set_pairs(tor_extended_socks_auth_request_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt) +{ + tor_socksauth_keyval_t *oldval = TRUNNEL_DYNARRAY_GET(&inp->pairs, idx); + if (oldval && oldval != elt) + tor_socksauth_keyval_free(oldval); + return tor_extended_socks_auth_request_set0_pairs(inp, idx, elt); +} +int +tor_extended_socks_auth_request_set0_pairs(tor_extended_socks_auth_request_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt) +{ + TRUNNEL_DYNARRAY_SET(&inp->pairs, idx, elt); + return 0; +} +int +tor_extended_socks_auth_request_add_pairs(tor_extended_socks_auth_request_t *inp, struct tor_socksauth_keyval_st * elt) +{ +#if SIZE_MAX >= UINT16_MAX + if (inp->pairs.n_ == UINT16_MAX) + goto trunnel_alloc_failed; +#endif + TRUNNEL_DYNARRAY_ADD(struct tor_socksauth_keyval_st *, &inp->pairs, elt, {}); + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} + +struct tor_socksauth_keyval_st * * +tor_extended_socks_auth_request_getarray_pairs(tor_extended_socks_auth_request_t *inp) +{ + return inp->pairs.elts_; +} +const struct tor_socksauth_keyval_st * const * +tor_extended_socks_auth_request_getconstarray_pairs(const tor_extended_socks_auth_request_t *inp) +{ + return (const struct tor_socksauth_keyval_st * const *)tor_extended_socks_auth_request_getarray_pairs((tor_extended_socks_auth_request_t*)inp); +} +int +tor_extended_socks_auth_request_setlen_pairs(tor_extended_socks_auth_request_t *inp, size_t newlen) +{ + struct tor_socksauth_keyval_st * *newptr; +#if UINT16_MAX < SIZE_MAX + if (newlen > UINT16_MAX) + goto trunnel_alloc_failed; +#endif + newptr = trunnel_dynarray_setlen(&inp->pairs.allocated_, + &inp->pairs.n_, inp->pairs.elts_, newlen, + sizeof(inp->pairs.elts_[0]), (trunnel_free_fn_t) tor_socksauth_keyval_free, + &inp->trunnel_error_code_); + if (newlen != 0 && newptr == NULL) + goto trunnel_alloc_failed; + inp->pairs.elts_ = newptr; + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} +const char * +tor_extended_socks_auth_request_check(const tor_extended_socks_auth_request_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 1)) + return "Integer out of bounds"; + { + const char *msg; + + unsigned idx; + for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->pairs); ++idx) { + if (NULL != (msg = tor_socksauth_keyval_check(TRUNNEL_DYNARRAY_GET(&obj->pairs, idx)))) + return msg; + } + } + if (TRUNNEL_DYNARRAY_LEN(&obj->pairs) != obj->npairs) + return "Length mismatch for pairs"; + return NULL; +} + +ssize_t +tor_extended_socks_auth_request_encoded_len(const tor_extended_socks_auth_request_t *obj) +{ + ssize_t result = 0; + + if (NULL != tor_extended_socks_auth_request_check(obj)) + return -1; + + + /* Length of u8 version IN [1] */ + result += 1; + + /* Length of u16 npairs */ + result += 2; + + /* Length of struct tor_socksauth_keyval pairs[npairs] */ + { + + unsigned idx; + for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->pairs); ++idx) { + result += tor_socksauth_keyval_encoded_len(TRUNNEL_DYNARRAY_GET(&obj->pairs, idx)); + } + } + return result; +} +int +tor_extended_socks_auth_request_clear_errors(tor_extended_socks_auth_request_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +tor_extended_socks_auth_request_encode(uint8_t *output, const size_t avail, const tor_extended_socks_auth_request_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = tor_extended_socks_auth_request_encoded_len(obj); +#endif + + if (NULL != (msg = tor_extended_socks_auth_request_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [1] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u16 npairs */ + trunnel_assert(written <= avail); + if (avail - written < 2) + goto truncated; + trunnel_set_uint16(ptr, trunnel_htons(obj->npairs)); + written += 2; ptr += 2; + + /* Encode struct tor_socksauth_keyval pairs[npairs] */ + { + + unsigned idx; + for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->pairs); ++idx) { + trunnel_assert(written <= avail); + result = tor_socksauth_keyval_encode(ptr, avail - written, TRUNNEL_DYNARRAY_GET(&obj->pairs, idx)); + if (result < 0) + goto fail; /* XXXXXXX !*/ + written += result; ptr += result; + } + } + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As tor_extended_socks_auth_request_parse(), but do not allocate + * the output object. + */ +static ssize_t +tor_extended_socks_auth_request_parse_into(tor_extended_socks_auth_request_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [1] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 1)) + goto fail; + + /* Parse u16 npairs */ + CHECK_REMAINING(2, truncated); + obj->npairs = trunnel_ntohs(trunnel_get_uint16(ptr)); + remaining -= 2; ptr += 2; + + /* Parse struct tor_socksauth_keyval pairs[npairs] */ + TRUNNEL_DYNARRAY_EXPAND(tor_socksauth_keyval_t *, &obj->pairs, obj->npairs, {}); + { + tor_socksauth_keyval_t * elt; + unsigned idx; + for (idx = 0; idx < obj->npairs; ++idx) { + result = tor_socksauth_keyval_parse(&elt, ptr, remaining); + if (result < 0) + goto relay_fail; + trunnel_assert((size_t)result <= remaining); + remaining -= result; ptr += result; + TRUNNEL_DYNARRAY_ADD(tor_socksauth_keyval_t *, &obj->pairs, elt, {tor_socksauth_keyval_free(elt);}); + } + } + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + relay_fail: + trunnel_assert(result < 0); + return result; + trunnel_alloc_failed: + return -1; + fail: + result = -1; + return result; +} + +ssize_t +tor_extended_socks_auth_request_parse(tor_extended_socks_auth_request_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = tor_extended_socks_auth_request_new(); + if (NULL == *output) + return -1; + result = tor_extended_socks_auth_request_parse_into(*output, input, len_in); + if (result < 0) { + tor_extended_socks_auth_request_free(*output); + *output = NULL; + } + return result; +} +tor_extended_socks_auth_response_t * +tor_extended_socks_auth_response_new(void) +{ + tor_extended_socks_auth_response_t *val = trunnel_calloc(1, sizeof(tor_extended_socks_auth_response_t)); + if (NULL == val) + return NULL; + val->version = 1; + return val; +} + +/** Release all storage held inside 'obj', but do not free 'obj'. + */ +static void +tor_extended_socks_auth_response_clear(tor_extended_socks_auth_response_t *obj) +{ + (void) obj; + { + + unsigned idx; + for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->pairs); ++idx) { + tor_socksauth_keyval_free(TRUNNEL_DYNARRAY_GET(&obj->pairs, idx)); + } + } + TRUNNEL_DYNARRAY_WIPE(&obj->pairs); + TRUNNEL_DYNARRAY_CLEAR(&obj->pairs); +} + +void +tor_extended_socks_auth_response_free(tor_extended_socks_auth_response_t *obj) +{ + if (obj == NULL) + return; + tor_extended_socks_auth_response_clear(obj); + trunnel_memwipe(obj, sizeof(tor_extended_socks_auth_response_t)); + trunnel_free_(obj); +} + +uint8_t +tor_extended_socks_auth_response_get_version(const tor_extended_socks_auth_response_t *inp) +{ + return inp->version; +} +int +tor_extended_socks_auth_response_set_version(tor_extended_socks_auth_response_t *inp, uint8_t val) +{ + if (! ((val == 1))) { + TRUNNEL_SET_ERROR_CODE(inp); + return -1; + } + inp->version = val; + return 0; +} +uint8_t +tor_extended_socks_auth_response_get_status(const tor_extended_socks_auth_response_t *inp) +{ + return inp->status; +} +int +tor_extended_socks_auth_response_set_status(tor_extended_socks_auth_response_t *inp, uint8_t val) +{ + inp->status = val; + return 0; +} +uint16_t +tor_extended_socks_auth_response_get_npairs(const tor_extended_socks_auth_response_t *inp) +{ + return inp->npairs; +} +int +tor_extended_socks_auth_response_set_npairs(tor_extended_socks_auth_response_t *inp, uint16_t val) +{ + inp->npairs = val; + return 0; +} +size_t +tor_extended_socks_auth_response_getlen_pairs(const tor_extended_socks_auth_response_t *inp) +{ + return TRUNNEL_DYNARRAY_LEN(&inp->pairs); +} + +struct tor_socksauth_keyval_st * +tor_extended_socks_auth_response_get_pairs(tor_extended_socks_auth_response_t *inp, size_t idx) +{ + return TRUNNEL_DYNARRAY_GET(&inp->pairs, idx); +} + + const struct tor_socksauth_keyval_st * +tor_extended_socks_auth_response_getconst_pairs(const tor_extended_socks_auth_response_t *inp, size_t idx) +{ + return tor_extended_socks_auth_response_get_pairs((tor_extended_socks_auth_response_t*)inp, idx); +} +int +tor_extended_socks_auth_response_set_pairs(tor_extended_socks_auth_response_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt) +{ + tor_socksauth_keyval_t *oldval = TRUNNEL_DYNARRAY_GET(&inp->pairs, idx); + if (oldval && oldval != elt) + tor_socksauth_keyval_free(oldval); + return tor_extended_socks_auth_response_set0_pairs(inp, idx, elt); +} +int +tor_extended_socks_auth_response_set0_pairs(tor_extended_socks_auth_response_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt) +{ + TRUNNEL_DYNARRAY_SET(&inp->pairs, idx, elt); + return 0; +} +int +tor_extended_socks_auth_response_add_pairs(tor_extended_socks_auth_response_t *inp, struct tor_socksauth_keyval_st * elt) +{ +#if SIZE_MAX >= UINT16_MAX + if (inp->pairs.n_ == UINT16_MAX) + goto trunnel_alloc_failed; +#endif + TRUNNEL_DYNARRAY_ADD(struct tor_socksauth_keyval_st *, &inp->pairs, elt, {}); + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} + +struct tor_socksauth_keyval_st * * +tor_extended_socks_auth_response_getarray_pairs(tor_extended_socks_auth_response_t *inp) +{ + return inp->pairs.elts_; +} +const struct tor_socksauth_keyval_st * const * +tor_extended_socks_auth_response_getconstarray_pairs(const tor_extended_socks_auth_response_t *inp) +{ + return (const struct tor_socksauth_keyval_st * const *)tor_extended_socks_auth_response_getarray_pairs((tor_extended_socks_auth_response_t*)inp); +} +int +tor_extended_socks_auth_response_setlen_pairs(tor_extended_socks_auth_response_t *inp, size_t newlen) +{ + struct tor_socksauth_keyval_st * *newptr; +#if UINT16_MAX < SIZE_MAX + if (newlen > UINT16_MAX) + goto trunnel_alloc_failed; +#endif + newptr = trunnel_dynarray_setlen(&inp->pairs.allocated_, + &inp->pairs.n_, inp->pairs.elts_, newlen, + sizeof(inp->pairs.elts_[0]), (trunnel_free_fn_t) tor_socksauth_keyval_free, + &inp->trunnel_error_code_); + if (newlen != 0 && newptr == NULL) + goto trunnel_alloc_failed; + inp->pairs.elts_ = newptr; + return 0; + trunnel_alloc_failed: + TRUNNEL_SET_ERROR_CODE(inp); + return -1; +} +const char * +tor_extended_socks_auth_response_check(const tor_extended_socks_auth_response_t *obj) +{ + if (obj == NULL) + return "Object was NULL"; + if (obj->trunnel_error_code_) + return "A set function failed on this object"; + if (! (obj->version == 1)) + return "Integer out of bounds"; + { + const char *msg; + + unsigned idx; + for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->pairs); ++idx) { + if (NULL != (msg = tor_socksauth_keyval_check(TRUNNEL_DYNARRAY_GET(&obj->pairs, idx)))) + return msg; + } + } + if (TRUNNEL_DYNARRAY_LEN(&obj->pairs) != obj->npairs) + return "Length mismatch for pairs"; + return NULL; +} + +ssize_t +tor_extended_socks_auth_response_encoded_len(const tor_extended_socks_auth_response_t *obj) +{ + ssize_t result = 0; + + if (NULL != tor_extended_socks_auth_response_check(obj)) + return -1; + + + /* Length of u8 version IN [1] */ + result += 1; + + /* Length of u8 status */ + result += 1; + + /* Length of u16 npairs */ + result += 2; + + /* Length of struct tor_socksauth_keyval pairs[npairs] */ + { + + unsigned idx; + for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->pairs); ++idx) { + result += tor_socksauth_keyval_encoded_len(TRUNNEL_DYNARRAY_GET(&obj->pairs, idx)); + } + } + return result; +} +int +tor_extended_socks_auth_response_clear_errors(tor_extended_socks_auth_response_t *obj) +{ + int r = obj->trunnel_error_code_; + obj->trunnel_error_code_ = 0; + return r; +} +ssize_t +tor_extended_socks_auth_response_encode(uint8_t *output, const size_t avail, const tor_extended_socks_auth_response_t *obj) +{ + ssize_t result = 0; + size_t written = 0; + uint8_t *ptr = output; + const char *msg; +#ifdef TRUNNEL_CHECK_ENCODED_LEN + const ssize_t encoded_len = tor_extended_socks_auth_response_encoded_len(obj); +#endif + + if (NULL != (msg = tor_extended_socks_auth_response_check(obj))) + goto check_failed; + +#ifdef TRUNNEL_CHECK_ENCODED_LEN + trunnel_assert(encoded_len >= 0); +#endif + + /* Encode u8 version IN [1] */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->version)); + written += 1; ptr += 1; + + /* Encode u8 status */ + trunnel_assert(written <= avail); + if (avail - written < 1) + goto truncated; + trunnel_set_uint8(ptr, (obj->status)); + written += 1; ptr += 1; + + /* Encode u16 npairs */ + trunnel_assert(written <= avail); + if (avail - written < 2) + goto truncated; + trunnel_set_uint16(ptr, trunnel_htons(obj->npairs)); + written += 2; ptr += 2; + + /* Encode struct tor_socksauth_keyval pairs[npairs] */ + { + + unsigned idx; + for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->pairs); ++idx) { + trunnel_assert(written <= avail); + result = tor_socksauth_keyval_encode(ptr, avail - written, TRUNNEL_DYNARRAY_GET(&obj->pairs, idx)); + if (result < 0) + goto fail; /* XXXXXXX !*/ + written += result; ptr += result; + } + } + + + trunnel_assert(ptr == output + written); +#ifdef TRUNNEL_CHECK_ENCODED_LEN + { + trunnel_assert(encoded_len >= 0); + trunnel_assert((size_t)encoded_len == written); + } + +#endif + + return written; + + truncated: + result = -2; + goto fail; + check_failed: + (void)msg; + result = -1; + goto fail; + fail: + trunnel_assert(result < 0); + return result; +} + +/** As tor_extended_socks_auth_response_parse(), but do not allocate + * the output object. + */ +static ssize_t +tor_extended_socks_auth_response_parse_into(tor_extended_socks_auth_response_t *obj, const uint8_t *input, const size_t len_in) +{ + const uint8_t *ptr = input; + size_t remaining = len_in; + ssize_t result = 0; + (void)result; + + /* Parse u8 version IN [1] */ + CHECK_REMAINING(1, truncated); + obj->version = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + if (! (obj->version == 1)) + goto fail; + + /* Parse u8 status */ + CHECK_REMAINING(1, truncated); + obj->status = (trunnel_get_uint8(ptr)); + remaining -= 1; ptr += 1; + + /* Parse u16 npairs */ + CHECK_REMAINING(2, truncated); + obj->npairs = trunnel_ntohs(trunnel_get_uint16(ptr)); + remaining -= 2; ptr += 2; + + /* Parse struct tor_socksauth_keyval pairs[npairs] */ + TRUNNEL_DYNARRAY_EXPAND(tor_socksauth_keyval_t *, &obj->pairs, obj->npairs, {}); + { + tor_socksauth_keyval_t * elt; + unsigned idx; + for (idx = 0; idx < obj->npairs; ++idx) { + result = tor_socksauth_keyval_parse(&elt, ptr, remaining); + if (result < 0) + goto relay_fail; + trunnel_assert((size_t)result <= remaining); + remaining -= result; ptr += result; + TRUNNEL_DYNARRAY_ADD(tor_socksauth_keyval_t *, &obj->pairs, elt, {tor_socksauth_keyval_free(elt);}); + } + } + trunnel_assert(ptr + remaining == input + len_in); + return len_in - remaining; + + truncated: + return -2; + relay_fail: + trunnel_assert(result < 0); + return result; + trunnel_alloc_failed: + return -1; + fail: + result = -1; + return result; +} + +ssize_t +tor_extended_socks_auth_response_parse(tor_extended_socks_auth_response_t **output, const uint8_t *input, const size_t len_in) +{ + ssize_t result; + *output = tor_extended_socks_auth_response_new(); + if (NULL == *output) + return -1; + result = tor_extended_socks_auth_response_parse_into(*output, input, len_in); + if (result < 0) { + tor_extended_socks_auth_response_free(*output); + *output = NULL; + } + return result; +} diff --git a/src/trunnel/socks5.h b/src/trunnel/socks5.h new file mode 100644 index 000000000..fb3c03160 --- /dev/null +++ b/src/trunnel/socks5.h @@ -0,0 +1,1370 @@ +/* socks5.h -- generated by Trunnel v1.5.2. + * https://gitweb.torproject.org/trunnel.git + * You probably shouldn't edit this file. + */ +#ifndef TRUNNEL_SOCKS5_H +#define TRUNNEL_SOCKS5_H + +#include <stdint.h> +#include "trunnel.h" + +#define CMD_CONNECT 1 +#define CMD_BIND 2 +#define CMD_UDP_ASSOCIATE 3 +#define CMD_RESOLVE_PTR 241 +#define ATYPE_IPV4 1 +#define ATYPE_IPV6 4 +#define ATYPE_DOMAINNAME 3 +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_DOMAINNAME) +struct domainname_st { + uint8_t len; + trunnel_string_t name; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct domainname_st domainname_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS4_CLIENT_REQUEST) +struct socks4_client_request_st { + uint8_t version; + uint8_t command; + uint16_t port; + uint32_t addr; + char *username; + char *socks4a_addr_hostname; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct socks4_client_request_st socks4_client_request_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS4_SERVER_REPLY) +struct socks4_server_reply_st { + uint8_t version; + uint8_t status; + uint16_t port; + uint32_t addr; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct socks4_server_reply_st socks4_server_reply_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_CLIENT_USERPASS_AUTH) +struct socks5_client_userpass_auth_st { + uint8_t version; + uint8_t username_len; + trunnel_string_t username; + uint8_t passwd_len; + trunnel_string_t passwd; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct socks5_client_userpass_auth_st socks5_client_userpass_auth_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_CLIENT_VERSION) +struct socks5_client_version_st { + uint8_t version; + uint8_t n_methods; + TRUNNEL_DYNARRAY_HEAD(, uint8_t) methods; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct socks5_client_version_st socks5_client_version_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_SERVER_METHOD) +struct socks5_server_method_st { + uint8_t version; + uint8_t method; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct socks5_server_method_st socks5_server_method_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_SERVER_USERPATH_AUTH) +struct socks5_server_userpath_auth_st { + uint8_t version; + uint8_t status; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct socks5_server_userpath_auth_st socks5_server_userpath_auth_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_TOR_SOCKSAUTH_KEYVAL) +struct tor_socksauth_keyval_st { + uint16_t keylen; + trunnel_string_t key; + uint16_t vallen; + trunnel_string_t val; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct tor_socksauth_keyval_st tor_socksauth_keyval_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_CLIENT_REQUEST) +struct socks5_client_request_st { + uint8_t version; + uint8_t command; + uint8_t reserved; + uint8_t atype; + uint32_t dest_addr_ipv4; + uint8_t dest_addr_ipv6[16]; + struct domainname_st *dest_addr_domainname; + uint16_t dest_port; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct socks5_client_request_st socks5_client_request_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_SERVER_REPLY) +struct socks5_server_reply_st { + uint8_t version; + uint8_t reply; + uint8_t reserved; + uint8_t atype; + uint32_t bind_addr_ipv4; + uint8_t bind_addr_ipv6[16]; + struct domainname_st *bind_addr_domainname; + uint16_t bind_port; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct socks5_server_reply_st socks5_server_reply_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_TOR_EXTENDED_SOCKS_AUTH_REQUEST) +struct tor_extended_socks_auth_request_st { + uint8_t version; + uint16_t npairs; + TRUNNEL_DYNARRAY_HEAD(, struct tor_socksauth_keyval_st *) pairs; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct tor_extended_socks_auth_request_st tor_extended_socks_auth_request_t; +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_TOR_EXTENDED_SOCKS_AUTH_RESPONSE) +struct tor_extended_socks_auth_response_st { + uint8_t version; + uint8_t status; + uint16_t npairs; + TRUNNEL_DYNARRAY_HEAD(, struct tor_socksauth_keyval_st *) pairs; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct tor_extended_socks_auth_response_st tor_extended_socks_auth_response_t; +/** Return a newly allocated domainname with all elements set to zero. + */ +domainname_t *domainname_new(void); +/** Release all storage held by the domainname in 'victim'. (Do + * nothing if 'victim' is NULL.) + */ +void domainname_free(domainname_t *victim); +/** Try to parse a domainname from the buffer in 'input', using up to + * 'len_in' bytes from the input buffer. On success, return the number + * of bytes consumed and set *output to the newly allocated + * domainname_t. On failure, return -2 if the input appears truncated, + * and -1 if the input is otherwise invalid. + */ +ssize_t domainname_parse(domainname_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * domainname in 'obj'. On failure, return a negative value. Note that + * this value may be an overestimate, and can even be an underestimate + * for certain unencodeable objects. + */ +ssize_t domainname_encoded_len(const domainname_t *obj); +/** Try to encode the domainname from 'input' into the buffer at + * 'output', using up to 'avail' bytes of the output buffer. On + * success, return the number of bytes used. On failure, return -2 if + * the buffer was not long enough, and -1 if the input was invalid. + */ +ssize_t domainname_encode(uint8_t *output, size_t avail, const domainname_t *input); +/** Check whether the internal state of the domainname in 'obj' is + * consistent. Return NULL if it is, and a short message if it is not. + */ +const char *domainname_check(const domainname_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int domainname_clear_errors(domainname_t *obj); +/** Return the value of the len field of the domainname_t in 'inp' + */ +uint8_t domainname_get_len(const domainname_t *inp); +/** Set the value of the len field of the domainname_t in 'inp' to + * 'val'. Return 0 on success; return -1 and set the error code on + * 'inp' on failure. + */ +int domainname_set_len(domainname_t *inp, uint8_t val); +/** Return the length of the dynamic array holding the name field of + * the domainname_t in 'inp'. + */ +size_t domainname_getlen_name(const domainname_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * name of the domainname_t in 'inp'. + */ +char domainname_get_name(domainname_t *inp, size_t idx); +/** As domainname_get_name, but take and return a const pointer + */ +char domainname_getconst_name(const domainname_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * name of the domainname_t in 'inp', so that it will hold the value + * 'elt'. + */ +int domainname_set_name(domainname_t *inp, size_t idx, char elt); +/** Append a new element 'elt' to the dynamic array field name of the + * domainname_t in 'inp'. + */ +int domainname_add_name(domainname_t *inp, char elt); +/** Return a pointer to the variable-length array field name of 'inp'. + */ +char * domainname_getarray_name(domainname_t *inp); +/** As domainname_get_name, but take and return a const pointer + */ +const char * domainname_getconstarray_name(const domainname_t *inp); +/** Change the length of the variable-length array field name of 'inp' + * to 'newlen'.Fill extra elements with 0. Return 0 on success; return + * -1 and set the error code on 'inp' on failure. + */ +int domainname_setlen_name(domainname_t *inp, size_t newlen); +/** Return the value of the name field of a domainname_t as a NUL- + * terminated string. + */ +const char * domainname_getstr_name(domainname_t *inp); +/** Set the value of the name field of a domainname_t to a given + * string of length 'len'. Return 0 on success; return -1 and set the + * error code on 'inp' on failure. + */ +int domainname_setstr0_name(domainname_t *inp, const char *val, size_t len); +/** Set the value of the name field of a domainname_t to a given NUL- + * terminated string. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int domainname_setstr_name(domainname_t *inp, const char *val); +/** Return a newly allocated socks4_client_request with all elements + * set to zero. + */ +socks4_client_request_t *socks4_client_request_new(void); +/** Release all storage held by the socks4_client_request in 'victim'. + * (Do nothing if 'victim' is NULL.) + */ +void socks4_client_request_free(socks4_client_request_t *victim); +/** Try to parse a socks4_client_request from the buffer in 'input', + * using up to 'len_in' bytes from the input buffer. On success, + * return the number of bytes consumed and set *output to the newly + * allocated socks4_client_request_t. On failure, return -2 if the + * input appears truncated, and -1 if the input is otherwise invalid. + */ +ssize_t socks4_client_request_parse(socks4_client_request_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * socks4_client_request in 'obj'. On failure, return a negative + * value. Note that this value may be an overestimate, and can even be + * an underestimate for certain unencodeable objects. + */ +ssize_t socks4_client_request_encoded_len(const socks4_client_request_t *obj); +/** Try to encode the socks4_client_request from 'input' into the + * buffer at 'output', using up to 'avail' bytes of the output buffer. + * On success, return the number of bytes used. On failure, return -2 + * if the buffer was not long enough, and -1 if the input was invalid. + */ +ssize_t socks4_client_request_encode(uint8_t *output, size_t avail, const socks4_client_request_t *input); +/** Check whether the internal state of the socks4_client_request in + * 'obj' is consistent. Return NULL if it is, and a short message if + * it is not. + */ +const char *socks4_client_request_check(const socks4_client_request_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int socks4_client_request_clear_errors(socks4_client_request_t *obj); +/** Return the value of the version field of the + * socks4_client_request_t in 'inp' + */ +uint8_t socks4_client_request_get_version(const socks4_client_request_t *inp); +/** Set the value of the version field of the socks4_client_request_t + * in 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks4_client_request_set_version(socks4_client_request_t *inp, uint8_t val); +/** Return the value of the command field of the + * socks4_client_request_t in 'inp' + */ +uint8_t socks4_client_request_get_command(const socks4_client_request_t *inp); +/** Set the value of the command field of the socks4_client_request_t + * in 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks4_client_request_set_command(socks4_client_request_t *inp, uint8_t val); +/** Return the value of the port field of the socks4_client_request_t + * in 'inp' + */ +uint16_t socks4_client_request_get_port(const socks4_client_request_t *inp); +/** Set the value of the port field of the socks4_client_request_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks4_client_request_set_port(socks4_client_request_t *inp, uint16_t val); +/** Return the value of the addr field of the socks4_client_request_t + * in 'inp' + */ +uint32_t socks4_client_request_get_addr(const socks4_client_request_t *inp); +/** Set the value of the addr field of the socks4_client_request_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks4_client_request_set_addr(socks4_client_request_t *inp, uint32_t val); +/** Return the value of the username field of the + * socks4_client_request_t in 'inp' + */ +const char * socks4_client_request_get_username(const socks4_client_request_t *inp); +/** Set the value of the username field of the socks4_client_request_t + * in 'inp' to 'val'. Free the old value if any. Does not steal the + * reference to 'val'.Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks4_client_request_set_username(socks4_client_request_t *inp, const char *val); +/** Return the value of the socks4a_addr_hostname field of the + * socks4_client_request_t in 'inp' + */ +const char * socks4_client_request_get_socks4a_addr_hostname(const socks4_client_request_t *inp); +/** Set the value of the socks4a_addr_hostname field of the + * socks4_client_request_t in 'inp' to 'val'. Free the old value if + * any. Does not steal the reference to 'val'.Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int socks4_client_request_set_socks4a_addr_hostname(socks4_client_request_t *inp, const char *val); +/** Return a newly allocated socks4_server_reply with all elements set + * to zero. + */ +socks4_server_reply_t *socks4_server_reply_new(void); +/** Release all storage held by the socks4_server_reply in 'victim'. + * (Do nothing if 'victim' is NULL.) + */ +void socks4_server_reply_free(socks4_server_reply_t *victim); +/** Try to parse a socks4_server_reply from the buffer in 'input', + * using up to 'len_in' bytes from the input buffer. On success, + * return the number of bytes consumed and set *output to the newly + * allocated socks4_server_reply_t. On failure, return -2 if the input + * appears truncated, and -1 if the input is otherwise invalid. + */ +ssize_t socks4_server_reply_parse(socks4_server_reply_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * socks4_server_reply in 'obj'. On failure, return a negative value. + * Note that this value may be an overestimate, and can even be an + * underestimate for certain unencodeable objects. + */ +ssize_t socks4_server_reply_encoded_len(const socks4_server_reply_t *obj); +/** Try to encode the socks4_server_reply from 'input' into the buffer + * at 'output', using up to 'avail' bytes of the output buffer. On + * success, return the number of bytes used. On failure, return -2 if + * the buffer was not long enough, and -1 if the input was invalid. + */ +ssize_t socks4_server_reply_encode(uint8_t *output, size_t avail, const socks4_server_reply_t *input); +/** Check whether the internal state of the socks4_server_reply in + * 'obj' is consistent. Return NULL if it is, and a short message if + * it is not. + */ +const char *socks4_server_reply_check(const socks4_server_reply_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int socks4_server_reply_clear_errors(socks4_server_reply_t *obj); +/** Return the value of the version field of the socks4_server_reply_t + * in 'inp' + */ +uint8_t socks4_server_reply_get_version(const socks4_server_reply_t *inp); +/** Set the value of the version field of the socks4_server_reply_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks4_server_reply_set_version(socks4_server_reply_t *inp, uint8_t val); +/** Return the value of the status field of the socks4_server_reply_t + * in 'inp' + */ +uint8_t socks4_server_reply_get_status(const socks4_server_reply_t *inp); +/** Set the value of the status field of the socks4_server_reply_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks4_server_reply_set_status(socks4_server_reply_t *inp, uint8_t val); +/** Return the value of the port field of the socks4_server_reply_t in + * 'inp' + */ +uint16_t socks4_server_reply_get_port(const socks4_server_reply_t *inp); +/** Set the value of the port field of the socks4_server_reply_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks4_server_reply_set_port(socks4_server_reply_t *inp, uint16_t val); +/** Return the value of the addr field of the socks4_server_reply_t in + * 'inp' + */ +uint32_t socks4_server_reply_get_addr(const socks4_server_reply_t *inp); +/** Set the value of the addr field of the socks4_server_reply_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks4_server_reply_set_addr(socks4_server_reply_t *inp, uint32_t val); +/** Return a newly allocated socks5_client_userpass_auth with all + * elements set to zero. + */ +socks5_client_userpass_auth_t *socks5_client_userpass_auth_new(void); +/** Release all storage held by the socks5_client_userpass_auth in + * 'victim'. (Do nothing if 'victim' is NULL.) + */ +void socks5_client_userpass_auth_free(socks5_client_userpass_auth_t *victim); +/** Try to parse a socks5_client_userpass_auth from the buffer in + * 'input', using up to 'len_in' bytes from the input buffer. On + * success, return the number of bytes consumed and set *output to the + * newly allocated socks5_client_userpass_auth_t. On failure, return + * -2 if the input appears truncated, and -1 if the input is otherwise + * invalid. + */ +ssize_t socks5_client_userpass_auth_parse(socks5_client_userpass_auth_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * socks5_client_userpass_auth in 'obj'. On failure, return a negative + * value. Note that this value may be an overestimate, and can even be + * an underestimate for certain unencodeable objects. + */ +ssize_t socks5_client_userpass_auth_encoded_len(const socks5_client_userpass_auth_t *obj); +/** Try to encode the socks5_client_userpass_auth from 'input' into + * the buffer at 'output', using up to 'avail' bytes of the output + * buffer. On success, return the number of bytes used. On failure, + * return -2 if the buffer was not long enough, and -1 if the input + * was invalid. + */ +ssize_t socks5_client_userpass_auth_encode(uint8_t *output, size_t avail, const socks5_client_userpass_auth_t *input); +/** Check whether the internal state of the + * socks5_client_userpass_auth in 'obj' is consistent. Return NULL if + * it is, and a short message if it is not. + */ +const char *socks5_client_userpass_auth_check(const socks5_client_userpass_auth_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int socks5_client_userpass_auth_clear_errors(socks5_client_userpass_auth_t *obj); +/** Return the value of the version field of the + * socks5_client_userpass_auth_t in 'inp' + */ +uint8_t socks5_client_userpass_auth_get_version(const socks5_client_userpass_auth_t *inp); +/** Set the value of the version field of the + * socks5_client_userpass_auth_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int socks5_client_userpass_auth_set_version(socks5_client_userpass_auth_t *inp, uint8_t val); +/** Return the value of the username_len field of the + * socks5_client_userpass_auth_t in 'inp' + */ +uint8_t socks5_client_userpass_auth_get_username_len(const socks5_client_userpass_auth_t *inp); +/** Set the value of the username_len field of the + * socks5_client_userpass_auth_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int socks5_client_userpass_auth_set_username_len(socks5_client_userpass_auth_t *inp, uint8_t val); +/** Return the length of the dynamic array holding the username field + * of the socks5_client_userpass_auth_t in 'inp'. + */ +size_t socks5_client_userpass_auth_getlen_username(const socks5_client_userpass_auth_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * username of the socks5_client_userpass_auth_t in 'inp'. + */ +char socks5_client_userpass_auth_get_username(socks5_client_userpass_auth_t *inp, size_t idx); +/** As socks5_client_userpass_auth_get_username, but take and return a + * const pointer + */ +char socks5_client_userpass_auth_getconst_username(const socks5_client_userpass_auth_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * username of the socks5_client_userpass_auth_t in 'inp', so that it + * will hold the value 'elt'. + */ +int socks5_client_userpass_auth_set_username(socks5_client_userpass_auth_t *inp, size_t idx, char elt); +/** Append a new element 'elt' to the dynamic array field username of + * the socks5_client_userpass_auth_t in 'inp'. + */ +int socks5_client_userpass_auth_add_username(socks5_client_userpass_auth_t *inp, char elt); +/** Return a pointer to the variable-length array field username of + * 'inp'. + */ +char * socks5_client_userpass_auth_getarray_username(socks5_client_userpass_auth_t *inp); +/** As socks5_client_userpass_auth_get_username, but take and return a + * const pointer + */ +const char * socks5_client_userpass_auth_getconstarray_username(const socks5_client_userpass_auth_t *inp); +/** Change the length of the variable-length array field username of + * 'inp' to 'newlen'.Fill extra elements with 0. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int socks5_client_userpass_auth_setlen_username(socks5_client_userpass_auth_t *inp, size_t newlen); +/** Return the value of the username field of a + * socks5_client_userpass_auth_t as a NUL-terminated string. + */ +const char * socks5_client_userpass_auth_getstr_username(socks5_client_userpass_auth_t *inp); +/** Set the value of the username field of a + * socks5_client_userpass_auth_t to a given string of length 'len'. + * Return 0 on success; return -1 and set the error code on 'inp' on + * failure. + */ +int socks5_client_userpass_auth_setstr0_username(socks5_client_userpass_auth_t *inp, const char *val, size_t len); +/** Set the value of the username field of a + * socks5_client_userpass_auth_t to a given NUL-terminated string. + * Return 0 on success; return -1 and set the error code on 'inp' on + * failure. + */ +int socks5_client_userpass_auth_setstr_username(socks5_client_userpass_auth_t *inp, const char *val); +/** Return the value of the passwd_len field of the + * socks5_client_userpass_auth_t in 'inp' + */ +uint8_t socks5_client_userpass_auth_get_passwd_len(const socks5_client_userpass_auth_t *inp); +/** Set the value of the passwd_len field of the + * socks5_client_userpass_auth_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int socks5_client_userpass_auth_set_passwd_len(socks5_client_userpass_auth_t *inp, uint8_t val); +/** Return the length of the dynamic array holding the passwd field of + * the socks5_client_userpass_auth_t in 'inp'. + */ +size_t socks5_client_userpass_auth_getlen_passwd(const socks5_client_userpass_auth_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * passwd of the socks5_client_userpass_auth_t in 'inp'. + */ +char socks5_client_userpass_auth_get_passwd(socks5_client_userpass_auth_t *inp, size_t idx); +/** As socks5_client_userpass_auth_get_passwd, but take and return a + * const pointer + */ +char socks5_client_userpass_auth_getconst_passwd(const socks5_client_userpass_auth_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * passwd of the socks5_client_userpass_auth_t in 'inp', so that it + * will hold the value 'elt'. + */ +int socks5_client_userpass_auth_set_passwd(socks5_client_userpass_auth_t *inp, size_t idx, char elt); +/** Append a new element 'elt' to the dynamic array field passwd of + * the socks5_client_userpass_auth_t in 'inp'. + */ +int socks5_client_userpass_auth_add_passwd(socks5_client_userpass_auth_t *inp, char elt); +/** Return a pointer to the variable-length array field passwd of + * 'inp'. + */ +char * socks5_client_userpass_auth_getarray_passwd(socks5_client_userpass_auth_t *inp); +/** As socks5_client_userpass_auth_get_passwd, but take and return a + * const pointer + */ +const char * socks5_client_userpass_auth_getconstarray_passwd(const socks5_client_userpass_auth_t *inp); +/** Change the length of the variable-length array field passwd of + * 'inp' to 'newlen'.Fill extra elements with 0. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int socks5_client_userpass_auth_setlen_passwd(socks5_client_userpass_auth_t *inp, size_t newlen); +/** Return the value of the passwd field of a + * socks5_client_userpass_auth_t as a NUL-terminated string. + */ +const char * socks5_client_userpass_auth_getstr_passwd(socks5_client_userpass_auth_t *inp); +/** Set the value of the passwd field of a + * socks5_client_userpass_auth_t to a given string of length 'len'. + * Return 0 on success; return -1 and set the error code on 'inp' on + * failure. + */ +int socks5_client_userpass_auth_setstr0_passwd(socks5_client_userpass_auth_t *inp, const char *val, size_t len); +/** Set the value of the passwd field of a + * socks5_client_userpass_auth_t to a given NUL-terminated string. + * Return 0 on success; return -1 and set the error code on 'inp' on + * failure. + */ +int socks5_client_userpass_auth_setstr_passwd(socks5_client_userpass_auth_t *inp, const char *val); +/** Return a newly allocated socks5_client_version with all elements + * set to zero. + */ +socks5_client_version_t *socks5_client_version_new(void); +/** Release all storage held by the socks5_client_version in 'victim'. + * (Do nothing if 'victim' is NULL.) + */ +void socks5_client_version_free(socks5_client_version_t *victim); +/** Try to parse a socks5_client_version from the buffer in 'input', + * using up to 'len_in' bytes from the input buffer. On success, + * return the number of bytes consumed and set *output to the newly + * allocated socks5_client_version_t. On failure, return -2 if the + * input appears truncated, and -1 if the input is otherwise invalid. + */ +ssize_t socks5_client_version_parse(socks5_client_version_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * socks5_client_version in 'obj'. On failure, return a negative + * value. Note that this value may be an overestimate, and can even be + * an underestimate for certain unencodeable objects. + */ +ssize_t socks5_client_version_encoded_len(const socks5_client_version_t *obj); +/** Try to encode the socks5_client_version from 'input' into the + * buffer at 'output', using up to 'avail' bytes of the output buffer. + * On success, return the number of bytes used. On failure, return -2 + * if the buffer was not long enough, and -1 if the input was invalid. + */ +ssize_t socks5_client_version_encode(uint8_t *output, size_t avail, const socks5_client_version_t *input); +/** Check whether the internal state of the socks5_client_version in + * 'obj' is consistent. Return NULL if it is, and a short message if + * it is not. + */ +const char *socks5_client_version_check(const socks5_client_version_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int socks5_client_version_clear_errors(socks5_client_version_t *obj); +/** Return the value of the version field of the + * socks5_client_version_t in 'inp' + */ +uint8_t socks5_client_version_get_version(const socks5_client_version_t *inp); +/** Set the value of the version field of the socks5_client_version_t + * in 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_client_version_set_version(socks5_client_version_t *inp, uint8_t val); +/** Return the value of the n_methods field of the + * socks5_client_version_t in 'inp' + */ +uint8_t socks5_client_version_get_n_methods(const socks5_client_version_t *inp); +/** Set the value of the n_methods field of the + * socks5_client_version_t in 'inp' to 'val'. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int socks5_client_version_set_n_methods(socks5_client_version_t *inp, uint8_t val); +/** Return the length of the dynamic array holding the methods field + * of the socks5_client_version_t in 'inp'. + */ +size_t socks5_client_version_getlen_methods(const socks5_client_version_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * methods of the socks5_client_version_t in 'inp'. + */ +uint8_t socks5_client_version_get_methods(socks5_client_version_t *inp, size_t idx); +/** As socks5_client_version_get_methods, but take and return a const + * pointer + */ +uint8_t socks5_client_version_getconst_methods(const socks5_client_version_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * methods of the socks5_client_version_t in 'inp', so that it will + * hold the value 'elt'. + */ +int socks5_client_version_set_methods(socks5_client_version_t *inp, size_t idx, uint8_t elt); +/** Append a new element 'elt' to the dynamic array field methods of + * the socks5_client_version_t in 'inp'. + */ +int socks5_client_version_add_methods(socks5_client_version_t *inp, uint8_t elt); +/** Return a pointer to the variable-length array field methods of + * 'inp'. + */ +uint8_t * socks5_client_version_getarray_methods(socks5_client_version_t *inp); +/** As socks5_client_version_get_methods, but take and return a const + * pointer + */ +const uint8_t * socks5_client_version_getconstarray_methods(const socks5_client_version_t *inp); +/** Change the length of the variable-length array field methods of + * 'inp' to 'newlen'.Fill extra elements with 0. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int socks5_client_version_setlen_methods(socks5_client_version_t *inp, size_t newlen); +/** Return a newly allocated socks5_server_method with all elements + * set to zero. + */ +socks5_server_method_t *socks5_server_method_new(void); +/** Release all storage held by the socks5_server_method in 'victim'. + * (Do nothing if 'victim' is NULL.) + */ +void socks5_server_method_free(socks5_server_method_t *victim); +/** Try to parse a socks5_server_method from the buffer in 'input', + * using up to 'len_in' bytes from the input buffer. On success, + * return the number of bytes consumed and set *output to the newly + * allocated socks5_server_method_t. On failure, return -2 if the + * input appears truncated, and -1 if the input is otherwise invalid. + */ +ssize_t socks5_server_method_parse(socks5_server_method_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * socks5_server_method in 'obj'. On failure, return a negative value. + * Note that this value may be an overestimate, and can even be an + * underestimate for certain unencodeable objects. + */ +ssize_t socks5_server_method_encoded_len(const socks5_server_method_t *obj); +/** Try to encode the socks5_server_method from 'input' into the + * buffer at 'output', using up to 'avail' bytes of the output buffer. + * On success, return the number of bytes used. On failure, return -2 + * if the buffer was not long enough, and -1 if the input was invalid. + */ +ssize_t socks5_server_method_encode(uint8_t *output, size_t avail, const socks5_server_method_t *input); +/** Check whether the internal state of the socks5_server_method in + * 'obj' is consistent. Return NULL if it is, and a short message if + * it is not. + */ +const char *socks5_server_method_check(const socks5_server_method_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int socks5_server_method_clear_errors(socks5_server_method_t *obj); +/** Return the value of the version field of the + * socks5_server_method_t in 'inp' + */ +uint8_t socks5_server_method_get_version(const socks5_server_method_t *inp); +/** Set the value of the version field of the socks5_server_method_t + * in 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_server_method_set_version(socks5_server_method_t *inp, uint8_t val); +/** Return the value of the method field of the socks5_server_method_t + * in 'inp' + */ +uint8_t socks5_server_method_get_method(const socks5_server_method_t *inp); +/** Set the value of the method field of the socks5_server_method_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_server_method_set_method(socks5_server_method_t *inp, uint8_t val); +/** Return a newly allocated socks5_server_userpath_auth with all + * elements set to zero. + */ +socks5_server_userpath_auth_t *socks5_server_userpath_auth_new(void); +/** Release all storage held by the socks5_server_userpath_auth in + * 'victim'. (Do nothing if 'victim' is NULL.) + */ +void socks5_server_userpath_auth_free(socks5_server_userpath_auth_t *victim); +/** Try to parse a socks5_server_userpath_auth from the buffer in + * 'input', using up to 'len_in' bytes from the input buffer. On + * success, return the number of bytes consumed and set *output to the + * newly allocated socks5_server_userpath_auth_t. On failure, return + * -2 if the input appears truncated, and -1 if the input is otherwise + * invalid. + */ +ssize_t socks5_server_userpath_auth_parse(socks5_server_userpath_auth_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * socks5_server_userpath_auth in 'obj'. On failure, return a negative + * value. Note that this value may be an overestimate, and can even be + * an underestimate for certain unencodeable objects. + */ +ssize_t socks5_server_userpath_auth_encoded_len(const socks5_server_userpath_auth_t *obj); +/** Try to encode the socks5_server_userpath_auth from 'input' into + * the buffer at 'output', using up to 'avail' bytes of the output + * buffer. On success, return the number of bytes used. On failure, + * return -2 if the buffer was not long enough, and -1 if the input + * was invalid. + */ +ssize_t socks5_server_userpath_auth_encode(uint8_t *output, size_t avail, const socks5_server_userpath_auth_t *input); +/** Check whether the internal state of the + * socks5_server_userpath_auth in 'obj' is consistent. Return NULL if + * it is, and a short message if it is not. + */ +const char *socks5_server_userpath_auth_check(const socks5_server_userpath_auth_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int socks5_server_userpath_auth_clear_errors(socks5_server_userpath_auth_t *obj); +/** Return the value of the version field of the + * socks5_server_userpath_auth_t in 'inp' + */ +uint8_t socks5_server_userpath_auth_get_version(const socks5_server_userpath_auth_t *inp); +/** Set the value of the version field of the + * socks5_server_userpath_auth_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int socks5_server_userpath_auth_set_version(socks5_server_userpath_auth_t *inp, uint8_t val); +/** Return the value of the status field of the + * socks5_server_userpath_auth_t in 'inp' + */ +uint8_t socks5_server_userpath_auth_get_status(const socks5_server_userpath_auth_t *inp); +/** Set the value of the status field of the + * socks5_server_userpath_auth_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int socks5_server_userpath_auth_set_status(socks5_server_userpath_auth_t *inp, uint8_t val); +/** Return a newly allocated tor_socksauth_keyval with all elements + * set to zero. + */ +tor_socksauth_keyval_t *tor_socksauth_keyval_new(void); +/** Release all storage held by the tor_socksauth_keyval in 'victim'. + * (Do nothing if 'victim' is NULL.) + */ +void tor_socksauth_keyval_free(tor_socksauth_keyval_t *victim); +/** Try to parse a tor_socksauth_keyval from the buffer in 'input', + * using up to 'len_in' bytes from the input buffer. On success, + * return the number of bytes consumed and set *output to the newly + * allocated tor_socksauth_keyval_t. On failure, return -2 if the + * input appears truncated, and -1 if the input is otherwise invalid. + */ +ssize_t tor_socksauth_keyval_parse(tor_socksauth_keyval_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * tor_socksauth_keyval in 'obj'. On failure, return a negative value. + * Note that this value may be an overestimate, and can even be an + * underestimate for certain unencodeable objects. + */ +ssize_t tor_socksauth_keyval_encoded_len(const tor_socksauth_keyval_t *obj); +/** Try to encode the tor_socksauth_keyval from 'input' into the + * buffer at 'output', using up to 'avail' bytes of the output buffer. + * On success, return the number of bytes used. On failure, return -2 + * if the buffer was not long enough, and -1 if the input was invalid. + */ +ssize_t tor_socksauth_keyval_encode(uint8_t *output, size_t avail, const tor_socksauth_keyval_t *input); +/** Check whether the internal state of the tor_socksauth_keyval in + * 'obj' is consistent. Return NULL if it is, and a short message if + * it is not. + */ +const char *tor_socksauth_keyval_check(const tor_socksauth_keyval_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int tor_socksauth_keyval_clear_errors(tor_socksauth_keyval_t *obj); +/** Return the value of the keylen field of the tor_socksauth_keyval_t + * in 'inp' + */ +uint16_t tor_socksauth_keyval_get_keylen(const tor_socksauth_keyval_t *inp); +/** Set the value of the keylen field of the tor_socksauth_keyval_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int tor_socksauth_keyval_set_keylen(tor_socksauth_keyval_t *inp, uint16_t val); +/** Return the length of the dynamic array holding the key field of + * the tor_socksauth_keyval_t in 'inp'. + */ +size_t tor_socksauth_keyval_getlen_key(const tor_socksauth_keyval_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * key of the tor_socksauth_keyval_t in 'inp'. + */ +char tor_socksauth_keyval_get_key(tor_socksauth_keyval_t *inp, size_t idx); +/** As tor_socksauth_keyval_get_key, but take and return a const + * pointer + */ +char tor_socksauth_keyval_getconst_key(const tor_socksauth_keyval_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * key of the tor_socksauth_keyval_t in 'inp', so that it will hold + * the value 'elt'. + */ +int tor_socksauth_keyval_set_key(tor_socksauth_keyval_t *inp, size_t idx, char elt); +/** Append a new element 'elt' to the dynamic array field key of the + * tor_socksauth_keyval_t in 'inp'. + */ +int tor_socksauth_keyval_add_key(tor_socksauth_keyval_t *inp, char elt); +/** Return a pointer to the variable-length array field key of 'inp'. + */ +char * tor_socksauth_keyval_getarray_key(tor_socksauth_keyval_t *inp); +/** As tor_socksauth_keyval_get_key, but take and return a const + * pointer + */ +const char * tor_socksauth_keyval_getconstarray_key(const tor_socksauth_keyval_t *inp); +/** Change the length of the variable-length array field key of 'inp' + * to 'newlen'.Fill extra elements with 0. Return 0 on success; return + * -1 and set the error code on 'inp' on failure. + */ +int tor_socksauth_keyval_setlen_key(tor_socksauth_keyval_t *inp, size_t newlen); +/** Return the value of the key field of a tor_socksauth_keyval_t as a + * NUL-terminated string. + */ +const char * tor_socksauth_keyval_getstr_key(tor_socksauth_keyval_t *inp); +/** Set the value of the key field of a tor_socksauth_keyval_t to a + * given string of length 'len'. Return 0 on success; return -1 and + * set the error code on 'inp' on failure. + */ +int tor_socksauth_keyval_setstr0_key(tor_socksauth_keyval_t *inp, const char *val, size_t len); +/** Set the value of the key field of a tor_socksauth_keyval_t to a + * given NUL-terminated string. Return 0 on success; return -1 and set + * the error code on 'inp' on failure. + */ +int tor_socksauth_keyval_setstr_key(tor_socksauth_keyval_t *inp, const char *val); +/** Return the value of the vallen field of the tor_socksauth_keyval_t + * in 'inp' + */ +uint16_t tor_socksauth_keyval_get_vallen(const tor_socksauth_keyval_t *inp); +/** Set the value of the vallen field of the tor_socksauth_keyval_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int tor_socksauth_keyval_set_vallen(tor_socksauth_keyval_t *inp, uint16_t val); +/** Return the length of the dynamic array holding the val field of + * the tor_socksauth_keyval_t in 'inp'. + */ +size_t tor_socksauth_keyval_getlen_val(const tor_socksauth_keyval_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * val of the tor_socksauth_keyval_t in 'inp'. + */ +char tor_socksauth_keyval_get_val(tor_socksauth_keyval_t *inp, size_t idx); +/** As tor_socksauth_keyval_get_val, but take and return a const + * pointer + */ +char tor_socksauth_keyval_getconst_val(const tor_socksauth_keyval_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * val of the tor_socksauth_keyval_t in 'inp', so that it will hold + * the value 'elt'. + */ +int tor_socksauth_keyval_set_val(tor_socksauth_keyval_t *inp, size_t idx, char elt); +/** Append a new element 'elt' to the dynamic array field val of the + * tor_socksauth_keyval_t in 'inp'. + */ +int tor_socksauth_keyval_add_val(tor_socksauth_keyval_t *inp, char elt); +/** Return a pointer to the variable-length array field val of 'inp'. + */ +char * tor_socksauth_keyval_getarray_val(tor_socksauth_keyval_t *inp); +/** As tor_socksauth_keyval_get_val, but take and return a const + * pointer + */ +const char * tor_socksauth_keyval_getconstarray_val(const tor_socksauth_keyval_t *inp); +/** Change the length of the variable-length array field val of 'inp' + * to 'newlen'.Fill extra elements with 0. Return 0 on success; return + * -1 and set the error code on 'inp' on failure. + */ +int tor_socksauth_keyval_setlen_val(tor_socksauth_keyval_t *inp, size_t newlen); +/** Return the value of the val field of a tor_socksauth_keyval_t as a + * NUL-terminated string. + */ +const char * tor_socksauth_keyval_getstr_val(tor_socksauth_keyval_t *inp); +/** Set the value of the val field of a tor_socksauth_keyval_t to a + * given string of length 'len'. Return 0 on success; return -1 and + * set the error code on 'inp' on failure. + */ +int tor_socksauth_keyval_setstr0_val(tor_socksauth_keyval_t *inp, const char *val, size_t len); +/** Set the value of the val field of a tor_socksauth_keyval_t to a + * given NUL-terminated string. Return 0 on success; return -1 and set + * the error code on 'inp' on failure. + */ +int tor_socksauth_keyval_setstr_val(tor_socksauth_keyval_t *inp, const char *val); +/** Return a newly allocated socks5_client_request with all elements + * set to zero. + */ +socks5_client_request_t *socks5_client_request_new(void); +/** Release all storage held by the socks5_client_request in 'victim'. + * (Do nothing if 'victim' is NULL.) + */ +void socks5_client_request_free(socks5_client_request_t *victim); +/** Try to parse a socks5_client_request from the buffer in 'input', + * using up to 'len_in' bytes from the input buffer. On success, + * return the number of bytes consumed and set *output to the newly + * allocated socks5_client_request_t. On failure, return -2 if the + * input appears truncated, and -1 if the input is otherwise invalid. + */ +ssize_t socks5_client_request_parse(socks5_client_request_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * socks5_client_request in 'obj'. On failure, return a negative + * value. Note that this value may be an overestimate, and can even be + * an underestimate for certain unencodeable objects. + */ +ssize_t socks5_client_request_encoded_len(const socks5_client_request_t *obj); +/** Try to encode the socks5_client_request from 'input' into the + * buffer at 'output', using up to 'avail' bytes of the output buffer. + * On success, return the number of bytes used. On failure, return -2 + * if the buffer was not long enough, and -1 if the input was invalid. + */ +ssize_t socks5_client_request_encode(uint8_t *output, size_t avail, const socks5_client_request_t *input); +/** Check whether the internal state of the socks5_client_request in + * 'obj' is consistent. Return NULL if it is, and a short message if + * it is not. + */ +const char *socks5_client_request_check(const socks5_client_request_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int socks5_client_request_clear_errors(socks5_client_request_t *obj); +/** Return the value of the version field of the + * socks5_client_request_t in 'inp' + */ +uint8_t socks5_client_request_get_version(const socks5_client_request_t *inp); +/** Set the value of the version field of the socks5_client_request_t + * in 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_client_request_set_version(socks5_client_request_t *inp, uint8_t val); +/** Return the value of the command field of the + * socks5_client_request_t in 'inp' + */ +uint8_t socks5_client_request_get_command(const socks5_client_request_t *inp); +/** Set the value of the command field of the socks5_client_request_t + * in 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_client_request_set_command(socks5_client_request_t *inp, uint8_t val); +/** Return the value of the reserved field of the + * socks5_client_request_t in 'inp' + */ +uint8_t socks5_client_request_get_reserved(const socks5_client_request_t *inp); +/** Set the value of the reserved field of the socks5_client_request_t + * in 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_client_request_set_reserved(socks5_client_request_t *inp, uint8_t val); +/** Return the value of the atype field of the socks5_client_request_t + * in 'inp' + */ +uint8_t socks5_client_request_get_atype(const socks5_client_request_t *inp); +/** Set the value of the atype field of the socks5_client_request_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_client_request_set_atype(socks5_client_request_t *inp, uint8_t val); +/** Return the value of the dest_addr_ipv4 field of the + * socks5_client_request_t in 'inp' + */ +uint32_t socks5_client_request_get_dest_addr_ipv4(const socks5_client_request_t *inp); +/** Set the value of the dest_addr_ipv4 field of the + * socks5_client_request_t in 'inp' to 'val'. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int socks5_client_request_set_dest_addr_ipv4(socks5_client_request_t *inp, uint32_t val); +/** Return the (constant) length of the array holding the + * dest_addr_ipv6 field of the socks5_client_request_t in 'inp'. + */ +size_t socks5_client_request_getlen_dest_addr_ipv6(const socks5_client_request_t *inp); +/** Return the element at position 'idx' of the fixed array field + * dest_addr_ipv6 of the socks5_client_request_t in 'inp'. + */ +uint8_t socks5_client_request_get_dest_addr_ipv6(socks5_client_request_t *inp, size_t idx); +/** As socks5_client_request_get_dest_addr_ipv6, but take and return a + * const pointer + */ +uint8_t socks5_client_request_getconst_dest_addr_ipv6(const socks5_client_request_t *inp, size_t idx); +/** Change the element at position 'idx' of the fixed array field + * dest_addr_ipv6 of the socks5_client_request_t in 'inp', so that it + * will hold the value 'elt'. + */ +int socks5_client_request_set_dest_addr_ipv6(socks5_client_request_t *inp, size_t idx, uint8_t elt); +/** Return a pointer to the 16-element array field dest_addr_ipv6 of + * 'inp'. + */ +uint8_t * socks5_client_request_getarray_dest_addr_ipv6(socks5_client_request_t *inp); +/** As socks5_client_request_get_dest_addr_ipv6, but take and return a + * const pointer + */ +const uint8_t * socks5_client_request_getconstarray_dest_addr_ipv6(const socks5_client_request_t *inp); +/** Return the value of the dest_addr_domainname field of the + * socks5_client_request_t in 'inp' + */ +struct domainname_st * socks5_client_request_get_dest_addr_domainname(socks5_client_request_t *inp); +/** As socks5_client_request_get_dest_addr_domainname, but take and + * return a const pointer + */ +const struct domainname_st * socks5_client_request_getconst_dest_addr_domainname(const socks5_client_request_t *inp); +/** Set the value of the dest_addr_domainname field of the + * socks5_client_request_t in 'inp' to 'val'. Free the old value if + * any. Steals the referenceto 'val'.Return 0 on success; return -1 + * and set the error code on 'inp' on failure. + */ +int socks5_client_request_set_dest_addr_domainname(socks5_client_request_t *inp, struct domainname_st *val); +/** As socks5_client_request_set_dest_addr_domainname, but does not + * free the previous value. + */ +int socks5_client_request_set0_dest_addr_domainname(socks5_client_request_t *inp, struct domainname_st *val); +/** Return the value of the dest_port field of the + * socks5_client_request_t in 'inp' + */ +uint16_t socks5_client_request_get_dest_port(const socks5_client_request_t *inp); +/** Set the value of the dest_port field of the + * socks5_client_request_t in 'inp' to 'val'. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int socks5_client_request_set_dest_port(socks5_client_request_t *inp, uint16_t val); +/** Return a newly allocated socks5_server_reply with all elements set + * to zero. + */ +socks5_server_reply_t *socks5_server_reply_new(void); +/** Release all storage held by the socks5_server_reply in 'victim'. + * (Do nothing if 'victim' is NULL.) + */ +void socks5_server_reply_free(socks5_server_reply_t *victim); +/** Try to parse a socks5_server_reply from the buffer in 'input', + * using up to 'len_in' bytes from the input buffer. On success, + * return the number of bytes consumed and set *output to the newly + * allocated socks5_server_reply_t. On failure, return -2 if the input + * appears truncated, and -1 if the input is otherwise invalid. + */ +ssize_t socks5_server_reply_parse(socks5_server_reply_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * socks5_server_reply in 'obj'. On failure, return a negative value. + * Note that this value may be an overestimate, and can even be an + * underestimate for certain unencodeable objects. + */ +ssize_t socks5_server_reply_encoded_len(const socks5_server_reply_t *obj); +/** Try to encode the socks5_server_reply from 'input' into the buffer + * at 'output', using up to 'avail' bytes of the output buffer. On + * success, return the number of bytes used. On failure, return -2 if + * the buffer was not long enough, and -1 if the input was invalid. + */ +ssize_t socks5_server_reply_encode(uint8_t *output, size_t avail, const socks5_server_reply_t *input); +/** Check whether the internal state of the socks5_server_reply in + * 'obj' is consistent. Return NULL if it is, and a short message if + * it is not. + */ +const char *socks5_server_reply_check(const socks5_server_reply_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int socks5_server_reply_clear_errors(socks5_server_reply_t *obj); +/** Return the value of the version field of the socks5_server_reply_t + * in 'inp' + */ +uint8_t socks5_server_reply_get_version(const socks5_server_reply_t *inp); +/** Set the value of the version field of the socks5_server_reply_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_server_reply_set_version(socks5_server_reply_t *inp, uint8_t val); +/** Return the value of the reply field of the socks5_server_reply_t + * in 'inp' + */ +uint8_t socks5_server_reply_get_reply(const socks5_server_reply_t *inp); +/** Set the value of the reply field of the socks5_server_reply_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_server_reply_set_reply(socks5_server_reply_t *inp, uint8_t val); +/** Return the value of the reserved field of the + * socks5_server_reply_t in 'inp' + */ +uint8_t socks5_server_reply_get_reserved(const socks5_server_reply_t *inp); +/** Set the value of the reserved field of the socks5_server_reply_t + * in 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_server_reply_set_reserved(socks5_server_reply_t *inp, uint8_t val); +/** Return the value of the atype field of the socks5_server_reply_t + * in 'inp' + */ +uint8_t socks5_server_reply_get_atype(const socks5_server_reply_t *inp); +/** Set the value of the atype field of the socks5_server_reply_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_server_reply_set_atype(socks5_server_reply_t *inp, uint8_t val); +/** Return the value of the bind_addr_ipv4 field of the + * socks5_server_reply_t in 'inp' + */ +uint32_t socks5_server_reply_get_bind_addr_ipv4(const socks5_server_reply_t *inp); +/** Set the value of the bind_addr_ipv4 field of the + * socks5_server_reply_t in 'inp' to 'val'. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int socks5_server_reply_set_bind_addr_ipv4(socks5_server_reply_t *inp, uint32_t val); +/** Return the (constant) length of the array holding the + * bind_addr_ipv6 field of the socks5_server_reply_t in 'inp'. + */ +size_t socks5_server_reply_getlen_bind_addr_ipv6(const socks5_server_reply_t *inp); +/** Return the element at position 'idx' of the fixed array field + * bind_addr_ipv6 of the socks5_server_reply_t in 'inp'. + */ +uint8_t socks5_server_reply_get_bind_addr_ipv6(socks5_server_reply_t *inp, size_t idx); +/** As socks5_server_reply_get_bind_addr_ipv6, but take and return a + * const pointer + */ +uint8_t socks5_server_reply_getconst_bind_addr_ipv6(const socks5_server_reply_t *inp, size_t idx); +/** Change the element at position 'idx' of the fixed array field + * bind_addr_ipv6 of the socks5_server_reply_t in 'inp', so that it + * will hold the value 'elt'. + */ +int socks5_server_reply_set_bind_addr_ipv6(socks5_server_reply_t *inp, size_t idx, uint8_t elt); +/** Return a pointer to the 16-element array field bind_addr_ipv6 of + * 'inp'. + */ +uint8_t * socks5_server_reply_getarray_bind_addr_ipv6(socks5_server_reply_t *inp); +/** As socks5_server_reply_get_bind_addr_ipv6, but take and return a + * const pointer + */ +const uint8_t * socks5_server_reply_getconstarray_bind_addr_ipv6(const socks5_server_reply_t *inp); +/** Return the value of the bind_addr_domainname field of the + * socks5_server_reply_t in 'inp' + */ +struct domainname_st * socks5_server_reply_get_bind_addr_domainname(socks5_server_reply_t *inp); +/** As socks5_server_reply_get_bind_addr_domainname, but take and + * return a const pointer + */ +const struct domainname_st * socks5_server_reply_getconst_bind_addr_domainname(const socks5_server_reply_t *inp); +/** Set the value of the bind_addr_domainname field of the + * socks5_server_reply_t in 'inp' to 'val'. Free the old value if any. + * Steals the referenceto 'val'.Return 0 on success; return -1 and set + * the error code on 'inp' on failure. + */ +int socks5_server_reply_set_bind_addr_domainname(socks5_server_reply_t *inp, struct domainname_st *val); +/** As socks5_server_reply_set_bind_addr_domainname, but does not free + * the previous value. + */ +int socks5_server_reply_set0_bind_addr_domainname(socks5_server_reply_t *inp, struct domainname_st *val); +/** Return the value of the bind_port field of the + * socks5_server_reply_t in 'inp' + */ +uint16_t socks5_server_reply_get_bind_port(const socks5_server_reply_t *inp); +/** Set the value of the bind_port field of the socks5_server_reply_t + * in 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int socks5_server_reply_set_bind_port(socks5_server_reply_t *inp, uint16_t val); +/** Return a newly allocated tor_extended_socks_auth_request with all + * elements set to zero. + */ +tor_extended_socks_auth_request_t *tor_extended_socks_auth_request_new(void); +/** Release all storage held by the tor_extended_socks_auth_request in + * 'victim'. (Do nothing if 'victim' is NULL.) + */ +void tor_extended_socks_auth_request_free(tor_extended_socks_auth_request_t *victim); +/** Try to parse a tor_extended_socks_auth_request from the buffer in + * 'input', using up to 'len_in' bytes from the input buffer. On + * success, return the number of bytes consumed and set *output to the + * newly allocated tor_extended_socks_auth_request_t. On failure, + * return -2 if the input appears truncated, and -1 if the input is + * otherwise invalid. + */ +ssize_t tor_extended_socks_auth_request_parse(tor_extended_socks_auth_request_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * tor_extended_socks_auth_request in 'obj'. On failure, return a + * negative value. Note that this value may be an overestimate, and + * can even be an underestimate for certain unencodeable objects. + */ +ssize_t tor_extended_socks_auth_request_encoded_len(const tor_extended_socks_auth_request_t *obj); +/** Try to encode the tor_extended_socks_auth_request from 'input' + * into the buffer at 'output', using up to 'avail' bytes of the + * output buffer. On success, return the number of bytes used. On + * failure, return -2 if the buffer was not long enough, and -1 if the + * input was invalid. + */ +ssize_t tor_extended_socks_auth_request_encode(uint8_t *output, size_t avail, const tor_extended_socks_auth_request_t *input); +/** Check whether the internal state of the + * tor_extended_socks_auth_request in 'obj' is consistent. Return NULL + * if it is, and a short message if it is not. + */ +const char *tor_extended_socks_auth_request_check(const tor_extended_socks_auth_request_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int tor_extended_socks_auth_request_clear_errors(tor_extended_socks_auth_request_t *obj); +/** Return the value of the version field of the + * tor_extended_socks_auth_request_t in 'inp' + */ +uint8_t tor_extended_socks_auth_request_get_version(const tor_extended_socks_auth_request_t *inp); +/** Set the value of the version field of the + * tor_extended_socks_auth_request_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int tor_extended_socks_auth_request_set_version(tor_extended_socks_auth_request_t *inp, uint8_t val); +/** Return the value of the npairs field of the + * tor_extended_socks_auth_request_t in 'inp' + */ +uint16_t tor_extended_socks_auth_request_get_npairs(const tor_extended_socks_auth_request_t *inp); +/** Set the value of the npairs field of the + * tor_extended_socks_auth_request_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int tor_extended_socks_auth_request_set_npairs(tor_extended_socks_auth_request_t *inp, uint16_t val); +/** Return the length of the dynamic array holding the pairs field of + * the tor_extended_socks_auth_request_t in 'inp'. + */ +size_t tor_extended_socks_auth_request_getlen_pairs(const tor_extended_socks_auth_request_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * pairs of the tor_extended_socks_auth_request_t in 'inp'. + */ +struct tor_socksauth_keyval_st * tor_extended_socks_auth_request_get_pairs(tor_extended_socks_auth_request_t *inp, size_t idx); +/** As tor_extended_socks_auth_request_get_pairs, but take and return + * a const pointer + */ + const struct tor_socksauth_keyval_st * tor_extended_socks_auth_request_getconst_pairs(const tor_extended_socks_auth_request_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * pairs of the tor_extended_socks_auth_request_t in 'inp', so that it + * will hold the value 'elt'. Free the previous value, if any. + */ +int tor_extended_socks_auth_request_set_pairs(tor_extended_socks_auth_request_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt); +/** As tor_extended_socks_auth_request_set_pairs, but does not free + * the previous value. + */ +int tor_extended_socks_auth_request_set0_pairs(tor_extended_socks_auth_request_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt); +/** Append a new element 'elt' to the dynamic array field pairs of the + * tor_extended_socks_auth_request_t in 'inp'. + */ +int tor_extended_socks_auth_request_add_pairs(tor_extended_socks_auth_request_t *inp, struct tor_socksauth_keyval_st * elt); +/** Return a pointer to the variable-length array field pairs of + * 'inp'. + */ +struct tor_socksauth_keyval_st * * tor_extended_socks_auth_request_getarray_pairs(tor_extended_socks_auth_request_t *inp); +/** As tor_extended_socks_auth_request_get_pairs, but take and return + * a const pointer + */ +const struct tor_socksauth_keyval_st * const * tor_extended_socks_auth_request_getconstarray_pairs(const tor_extended_socks_auth_request_t *inp); +/** Change the length of the variable-length array field pairs of + * 'inp' to 'newlen'.Fill extra elements with NULL; free removed + * elements. Return 0 on success; return -1 and set the error code on + * 'inp' on failure. + */ +int tor_extended_socks_auth_request_setlen_pairs(tor_extended_socks_auth_request_t *inp, size_t newlen); +/** Return a newly allocated tor_extended_socks_auth_response with all + * elements set to zero. + */ +tor_extended_socks_auth_response_t *tor_extended_socks_auth_response_new(void); +/** Release all storage held by the tor_extended_socks_auth_response + * in 'victim'. (Do nothing if 'victim' is NULL.) + */ +void tor_extended_socks_auth_response_free(tor_extended_socks_auth_response_t *victim); +/** Try to parse a tor_extended_socks_auth_response from the buffer in + * 'input', using up to 'len_in' bytes from the input buffer. On + * success, return the number of bytes consumed and set *output to the + * newly allocated tor_extended_socks_auth_response_t. On failure, + * return -2 if the input appears truncated, and -1 if the input is + * otherwise invalid. + */ +ssize_t tor_extended_socks_auth_response_parse(tor_extended_socks_auth_response_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * tor_extended_socks_auth_response in 'obj'. On failure, return a + * negative value. Note that this value may be an overestimate, and + * can even be an underestimate for certain unencodeable objects. + */ +ssize_t tor_extended_socks_auth_response_encoded_len(const tor_extended_socks_auth_response_t *obj); +/** Try to encode the tor_extended_socks_auth_response from 'input' + * into the buffer at 'output', using up to 'avail' bytes of the + * output buffer. On success, return the number of bytes used. On + * failure, return -2 if the buffer was not long enough, and -1 if the + * input was invalid. + */ +ssize_t tor_extended_socks_auth_response_encode(uint8_t *output, size_t avail, const tor_extended_socks_auth_response_t *input); +/** Check whether the internal state of the + * tor_extended_socks_auth_response in 'obj' is consistent. Return + * NULL if it is, and a short message if it is not. + */ +const char *tor_extended_socks_auth_response_check(const tor_extended_socks_auth_response_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int tor_extended_socks_auth_response_clear_errors(tor_extended_socks_auth_response_t *obj); +/** Return the value of the version field of the + * tor_extended_socks_auth_response_t in 'inp' + */ +uint8_t tor_extended_socks_auth_response_get_version(const tor_extended_socks_auth_response_t *inp); +/** Set the value of the version field of the + * tor_extended_socks_auth_response_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int tor_extended_socks_auth_response_set_version(tor_extended_socks_auth_response_t *inp, uint8_t val); +/** Return the value of the status field of the + * tor_extended_socks_auth_response_t in 'inp' + */ +uint8_t tor_extended_socks_auth_response_get_status(const tor_extended_socks_auth_response_t *inp); +/** Set the value of the status field of the + * tor_extended_socks_auth_response_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int tor_extended_socks_auth_response_set_status(tor_extended_socks_auth_response_t *inp, uint8_t val); +/** Return the value of the npairs field of the + * tor_extended_socks_auth_response_t in 'inp' + */ +uint16_t tor_extended_socks_auth_response_get_npairs(const tor_extended_socks_auth_response_t *inp); +/** Set the value of the npairs field of the + * tor_extended_socks_auth_response_t in 'inp' to 'val'. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int tor_extended_socks_auth_response_set_npairs(tor_extended_socks_auth_response_t *inp, uint16_t val); +/** Return the length of the dynamic array holding the pairs field of + * the tor_extended_socks_auth_response_t in 'inp'. + */ +size_t tor_extended_socks_auth_response_getlen_pairs(const tor_extended_socks_auth_response_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * pairs of the tor_extended_socks_auth_response_t in 'inp'. + */ +struct tor_socksauth_keyval_st * tor_extended_socks_auth_response_get_pairs(tor_extended_socks_auth_response_t *inp, size_t idx); +/** As tor_extended_socks_auth_response_get_pairs, but take and return + * a const pointer + */ + const struct tor_socksauth_keyval_st * tor_extended_socks_auth_response_getconst_pairs(const tor_extended_socks_auth_response_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * pairs of the tor_extended_socks_auth_response_t in 'inp', so that + * it will hold the value 'elt'. Free the previous value, if any. + */ +int tor_extended_socks_auth_response_set_pairs(tor_extended_socks_auth_response_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt); +/** As tor_extended_socks_auth_response_set_pairs, but does not free + * the previous value. + */ +int tor_extended_socks_auth_response_set0_pairs(tor_extended_socks_auth_response_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt); +/** Append a new element 'elt' to the dynamic array field pairs of the + * tor_extended_socks_auth_response_t in 'inp'. + */ +int tor_extended_socks_auth_response_add_pairs(tor_extended_socks_auth_response_t *inp, struct tor_socksauth_keyval_st * elt); +/** Return a pointer to the variable-length array field pairs of + * 'inp'. + */ +struct tor_socksauth_keyval_st * * tor_extended_socks_auth_response_getarray_pairs(tor_extended_socks_auth_response_t *inp); +/** As tor_extended_socks_auth_response_get_pairs, but take and return + * a const pointer + */ +const struct tor_socksauth_keyval_st * const * tor_extended_socks_auth_response_getconstarray_pairs(const tor_extended_socks_auth_response_t *inp); +/** Change the length of the variable-length array field pairs of + * 'inp' to 'newlen'.Fill extra elements with NULL; free removed + * elements. Return 0 on success; return -1 and set the error code on + * 'inp' on failure. + */ +int tor_extended_socks_auth_response_setlen_pairs(tor_extended_socks_auth_response_t *inp, size_t newlen); + + +#endif