diff options
| -rw-r--r-- | lib/socket_wrapper/socket_wrapper.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/lib/socket_wrapper/socket_wrapper.c b/lib/socket_wrapper/socket_wrapper.c index b2d3a6b15d..733a33217c 100644 --- a/lib/socket_wrapper/socket_wrapper.c +++ b/lib/socket_wrapper/socket_wrapper.c @@ -1536,8 +1536,10 @@ static int autobind_start; /* using sendto() or connect() on an unbound socket would give the recipient no way to reply, as unlike UDP and TCP, a unix domain socket can't auto-assign emphemeral port numbers, so we need to - assign it here */ -static int swrap_auto_bind(struct socket_info *si) + assign it here. + Note: this might change the family from ipv6 to ipv4 +*/ +static int swrap_auto_bind(struct socket_info *si, int family) { struct sockaddr_un un_addr; int i; @@ -1555,7 +1557,7 @@ static int swrap_auto_bind(struct socket_info *si) un_addr.sun_family = AF_UNIX; - switch (si->family) { + switch (family) { case AF_INET: { struct sockaddr_in in; @@ -1584,6 +1586,11 @@ static int swrap_auto_bind(struct socket_info *si) case AF_INET6: { struct sockaddr_in6 in6; + if (si->family != family) { + errno = ENETUNREACH; + return -1; + } + switch (si->type) { case SOCK_STREAM: type = SOCKET_TYPE_CHAR_TCP_V6; @@ -1634,6 +1641,7 @@ static int swrap_auto_bind(struct socket_info *si) return -1; } + si->family = family; set_port(si->family, port, si->myname); return 0; @@ -1651,7 +1659,7 @@ _PUBLIC_ int swrap_connect(int s, const struct sockaddr *serv_addr, socklen_t ad } if (si->bound == 0) { - ret = swrap_auto_bind(si); + ret = swrap_auto_bind(si, serv_addr->sa_family); if (ret == -1) return -1; } @@ -1872,7 +1880,7 @@ _PUBLIC_ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, con break; case SOCK_DGRAM: if (si->bound == 0) { - ret = swrap_auto_bind(si); + ret = swrap_auto_bind(si, si->family); if (ret == -1) return -1; } |