commit b6b7efc084cdd480d91a976be1833b763cd5015a Author: Anders Sundman anders@4zm.org Date: Fri Nov 11 08:05:50 2011 +0100

Unit tests for tor_addr_to_PTR_name --- src/test/test_addr.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 49 insertions(+), 0 deletions(-)

diff --git a/src/test/test_addr.c b/src/test/test_addr.c index 58e3e3d..d39f802 100644 --- a/src/test/test_addr.c +++ b/src/test/test_addr.c @@ -167,6 +167,7 @@ static void test_addr_ip6_helpers(void) { char buf[TOR_ADDR_BUF_LEN], bug[TOR_ADDR_BUF_LEN]; + char rbuf[REVERSE_LOOKUP_NAME_BUF_LEN]; struct in6_addr a1, a2; tor_addr_t t1, t2; int r, i; @@ -435,6 +436,54 @@ test_addr_ip6_helpers(void) AF_INET, 0); test_eq(i, -1);

+ /* === Test tor_addr_to_PTR_name */ + + /* Stage IPv4 addr */ + memset(&sa_storage, 0, sizeof(sa_storage)); + sin = (struct sockaddr_in *)&sa_storage; + sin->sin_family = AF_INET; + sin->sin_addr.s_addr = htonl(0x7f010203); /* 127.1.2.3 */ + tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin, NULL); + + /* Check IPv4 PTR - too short buffer */ + test_eq(tor_addr_to_PTR_name(rbuf, 1, &t1), -1); + test_eq(tor_addr_to_PTR_name(rbuf, + strlen("3.2.1.127.in-addr.arpa") - 1, + &t1), -1); + + /* Check IPv4 PTR - valid addr */ + test_eq(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1), + strlen("3.2.1.127.in-addr.arpa")); + test_streq(rbuf, "3.2.1.127.in-addr.arpa"); + + /* Invalid addr family */ + t1.family = AF_UNSPEC; + test_eq(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1), -1); + + /* Stage IPv6 addr */ + memset(&sa_storage, 0, sizeof(sa_storage)); + sin6 = (struct sockaddr_in6 *)&sa_storage; + sin6->sin6_family = AF_INET6; + sin6->sin6_addr.s6_addr[0] = 0x80; /* 8000::abcd */ + sin6->sin6_addr.s6_addr[14] = 0xab; + sin6->sin6_addr.s6_addr[15] = 0xcd; + + tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin6, NULL); + + { + const char* addr_PTR = "d.c.b.a.0.0.0.0.0.0.0.0.0.0.0.0." + "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.ip6.arpa"; + + /* Check IPv6 PTR - too short buffer */ + test_eq(tor_addr_to_PTR_name(rbuf, 0, &t1), -1); + test_eq(tor_addr_to_PTR_name(rbuf, strlen(addr_PTR) - 1, &t1), -1); + + /* Check IPv6 PTR - valid addr */ + test_eq(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1), + strlen(addr_PTR)); + test_streq(rbuf, addr_PTR); + } + /* test tor_addr_parse_mask_ports */ test_addr_mask_ports_parse("[::f]/17:47-95", AF_INET6, 0, 0, 0, 0x0000000f, 17, 47, 95);