commit 2002d4acdfac823c03cca3ed92de7f60b3272d86 Author: Steven Murdoch Steven.Murdoch@cl.cam.ac.uk Date: Thu Jul 21 14:14:57 2011 +0100

Under Windows, call WSAStartup before using the network --- src/tools/tor-fw-helper/tor-fw-helper.c | 33 ++++++++++++++++++++++++++++++- 1 files changed, 32 insertions(+), 1 deletions(-)

diff --git a/src/tools/tor-fw-helper/tor-fw-helper.c b/src/tools/tor-fw-helper/tor-fw-helper.c index 20d60d7..926fa61 100644 --- a/src/tools/tor-fw-helper/tor-fw-helper.c +++ b/src/tools/tor-fw-helper/tor-fw-helper.c @@ -13,6 +13,7 @@ * later date. */

+#include "orconfig.h" #include <stdio.h> #include <stdint.h> #include <stdlib.h> @@ -20,7 +21,10 @@ #include <time.h> #include <string.h>

-#include "orconfig.h" +#ifdef MS_WINDOWS +#include <winsock2.h> +#endif + #include "tor-fw-helper.h" #ifdef NAT_PMP #include "tor-fw-helper-natpmp.h" @@ -219,6 +223,29 @@ tor_fw_add_dir_port(tor_fw_options_t *tor_fw_options, } }

+/** Called before we make any calls to network-related functions. + * (Some operating systems require their network libraries to be + * initialized.) (from common/compat.c) */ +static int +network_init(void) +{ +#ifdef MS_WINDOWS + /* This silly exercise is necessary before windows will allow + * gethostbyname to work. */ + WSADATA WSAData; + int r; + r = WSAStartup(0x101, &WSAData); + if (r) { + fprintf(stderr, "E: Error initializing Windows network layer - code was %d", r); + return -1; + } + /* WSAData.iMaxSockets might show the max sockets we're allowed to use. + * We might use it to complain if we're trying to be a server but have + * too few sockets available. */ +#endif + return 0; +} + int main(int argc, char **argv) { @@ -329,6 +356,10 @@ main(int argc, char **argv) tor_fw_options.public_dir_port); }

+ // Initialize networking + if (network_init()) + exit(1); + // Initalize the various fw-helper backend helpers r = init_backends(&tor_fw_options, &backend_state); if (r)