commit 865ea5d26361802d53c586d27f249e5c2e924538 Author: Sebastian Hahn sebastian@torproject.org Date: Sat Mar 5 14:46:32 2011 +0100

Fix connect() failures in get_interface_address6()

The third argument for connect should be dependent on the address family. Issue spotted by piebeer who also wrote the patch. --- changes/bug2660 | 3 +++ src/common/address.c | 12 +++++------- 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/changes/bug2660 b/changes/bug2660 new file mode 100644 index 0000000..fe22956 --- /dev/null +++ b/changes/bug2660 @@ -0,0 +1,3 @@ + o Minor bugfixes: + - Fix connect() failures on some platforms (BSD, OS X). Bugfix on + 0.2.0.3-alpha; fixes bug 2660. Patch by piebeer. diff --git a/src/common/address.c b/src/common/address.c index 0e57528..90beae0 100644 --- a/src/common/address.c +++ b/src/common/address.c @@ -1025,13 +1025,12 @@ get_interface_address6(int severity, sa_family_t family, tor_addr_t *addr) { int sock=-1, r=-1; struct sockaddr_storage my_addr, target_addr; - socklen_t my_addr_len; + socklen_t addr_len;

tor_assert(addr);

memset(addr, 0, sizeof(tor_addr_t)); memset(&target_addr, 0, sizeof(target_addr)); - my_addr_len = (socklen_t)sizeof(my_addr); /* Use the "discard" service port */ ((struct sockaddr_in*)&target_addr)->sin_port = 9; /* Don't worry: no packets are sent. We just need to use a real address @@ -1039,13 +1038,13 @@ get_interface_address6(int severity, sa_family_t family, tor_addr_t *addr) if (family == AF_INET6) { struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)&target_addr; sock = tor_open_socket(PF_INET6,SOCK_DGRAM,IPPROTO_UDP); - my_addr_len = (socklen_t)sizeof(struct sockaddr_in6); + addr_len = (socklen_t)sizeof(struct sockaddr_in6); sin6->sin6_family = AF_INET6; S6_ADDR16(sin6->sin6_addr)[0] = htons(0x2002); /* 2002:: */ } else if (family == AF_INET) { struct sockaddr_in *sin = (struct sockaddr_in*)&target_addr; sock = tor_open_socket(PF_INET,SOCK_DGRAM,IPPROTO_UDP); - my_addr_len = (socklen_t)sizeof(struct sockaddr_in); + addr_len = (socklen_t)sizeof(struct sockaddr_in); sin->sin_family = AF_INET; sin->sin_addr.s_addr = htonl(0x12000001); /* 18.0.0.1 */ } else { @@ -1058,14 +1057,13 @@ get_interface_address6(int severity, sa_family_t family, tor_addr_t *addr) goto err; }

- if (connect(sock,(struct sockaddr *)&target_addr, - (socklen_t)sizeof(target_addr))<0) { + if (connect(sock,(struct sockaddr *)&target_addr, addr_len) < 0) { int e = tor_socket_errno(sock); log_fn(severity, LD_NET, "connect() failed: %s", tor_socket_strerror(e)); goto err; }

- if (getsockname(sock,(struct sockaddr*)&my_addr, &my_addr_len)) { + if (getsockname(sock,(struct sockaddr*)&my_addr, &addr_len)) { int e = tor_socket_errno(sock); log_fn(severity, LD_NET, "getsockname() to determine interface failed: %s", tor_socket_strerror(e));