diff options
Diffstat (limited to 'source/lib/socket_wrapper.c')
| -rw-r--r-- | source/lib/socket_wrapper.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/source/lib/socket_wrapper.c b/source/lib/socket_wrapper.c index bb4a4e0a673..808d62601f8 100644 --- a/source/lib/socket_wrapper.c +++ b/source/lib/socket_wrapper.c @@ -56,6 +56,13 @@ #undef malloc #undef calloc #undef strdup +/* we need to use a very terse format here as IRIX 6.4 silently + truncates names to 16 chars, so if we use a longer name then we + can't tell which port a packet came from with recvfrom() + + with this format we have 8 chars left for the directory name +*/ +#define SOCKET_FORMAT "%u_%u" static struct sockaddr *sockaddr_dup(const void *data, socklen_t len) { @@ -102,7 +109,7 @@ static int convert_un_in(const struct sockaddr_un *un, struct sockaddr_in *in, s p = strrchr(un->sun_path, '/'); if (p) p++; else p = un->sun_path; - if (sscanf(p, "sock_ip_%d_%u", &type, &prt) == 2) { + if (sscanf(p, SOCKET_FORMAT, &type, &prt) == 2) { in->sin_port = htons(prt); } in->sin_addr.s_addr = htonl(INADDR_LOOPBACK); @@ -119,12 +126,12 @@ static int convert_in_un(struct socket_info *si, const struct sockaddr_in *in, s /* handle auto-allocation of ephemeral ports */ prt = 5000; do { - snprintf(un->sun_path, sizeof(un->sun_path), "%s/sock_ip_%d_%u", + snprintf(un->sun_path, sizeof(un->sun_path), "%s/"SOCKET_FORMAT, getenv("SOCKET_WRAPPER_DIR"), type, ++prt); } while (stat(un->sun_path, &st) == 0 && prt < 10000); ((struct sockaddr_in *)si->myname)->sin_port = htons(prt); } - snprintf(un->sun_path, sizeof(un->sun_path), "%s/sock_ip_%d_%u", + snprintf(un->sun_path, sizeof(un->sun_path), "%s/"SOCKET_FORMAT, getenv("SOCKET_WRAPPER_DIR"), type, prt); return 0; } @@ -230,6 +237,8 @@ int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen) return real_accept(s, addr, addrlen); } + memset(&un_addr, 0, sizeof(un_addr)); + ret = real_accept(s, (struct sockaddr *)&un_addr, &un_addrlen); if (ret == -1) return ret; @@ -270,7 +279,7 @@ static int swrap_auto_bind(struct socket_info *si) for (i=0;i<1000;i++) { snprintf(un_addr.sun_path, sizeof(un_addr.sun_path), - "%s/sock_ip_%u_%u", getenv("SOCKET_WRAPPER_DIR"), + "%s/"SOCKET_FORMAT, getenv("SOCKET_WRAPPER_DIR"), SOCK_DGRAM, i + 10000); if (bind(si->fd, (struct sockaddr *)&un_addr, sizeof(un_addr)) == 0) { @@ -458,6 +467,8 @@ ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags, struct sockaddr return real_recvfrom(s, buf, len, flags, from, fromlen); } + /* irix 6.4 forgets to null terminate the sun_path string :-( */ + memset(&un_addr, 0, sizeof(un_addr)); ret = real_recvfrom(s, buf, len, flags, (struct sockaddr *)&un_addr, &un_addrlen); if (ret == -1) return ret; |