diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/connect.c | 31 | ||||
-rw-r--r-- | lib/ftp.c | 10 |
2 files changed, 24 insertions, 17 deletions
diff --git a/lib/connect.c b/lib/connect.c index 9003aba07..1f6a262c8 100644 --- a/lib/connect.c +++ b/lib/connect.c @@ -410,22 +410,22 @@ static CURLcode bindlocal(struct connectdata *conn, /* if a local port number is requested but no local IP, extract the address from the socket */ if(af == AF_INET) { - memset(&me, 0, sizeof(struct sockaddr)); + memset(&me, 0, sizeof(me)); me.sin_family = AF_INET; me.sin_addr.s_addr = INADDR_ANY; sock = (struct sockaddr *)&me; - socksize = sizeof(struct sockaddr); + socksize = sizeof(me); } #ifdef ENABLE_IPV6 else { /* AF_INET6 */ - memset(&me6, 0, sizeof(struct sockaddr)); + memset(&me6, 0, sizeof(me6)); me6.sin6_family = AF_INET6; me6.sin6_addr = in6addr_any; sock = (struct sockaddr *)&me6; - socksize = sizeof(struct sockaddr); + socksize = sizeof(me6); } #endif } @@ -437,22 +437,23 @@ static CURLcode bindlocal(struct connectdata *conn, /* Set port number to bind to, 0 makes the system pick one */ if(sock->sa_family == AF_INET) - ((struct sockaddr_in *)sock)->sin_port = htons(port); + me.sin_port = htons(port); #ifdef ENABLE_IPV6 else - ((struct sockaddr_in6 *)sock)->sin6_port = htons(port); + me6.sin6_port = htons(port); #endif if( bind(sockfd, sock, socksize) >= 0) { /* we succeeded to bind */ struct Curl_sockaddr_storage add; socklen_t size = sizeof(add); + memset(&add, 0, sizeof(struct Curl_sockaddr_storage)); if(getsockname(sockfd, (struct sockaddr *) &add, &size) < 0) { data->state.os_errno = error = SOCKERRNO; failf(data, "getsockname() failed with errno %d: %s", error, Curl_strerror(conn, error)); - if(h) - Curl_resolv_unlock(data, h); + if(h) + Curl_resolv_unlock(data, h); return CURLE_INTERFACE_FAILED; } /* We re-use/clobber the port variable here below */ @@ -465,7 +466,7 @@ static CURLcode bindlocal(struct connectdata *conn, infof(data, "Local port: %d\n", port); conn->bits.bound = TRUE; if(h) - Curl_resolv_unlock(data, h); + Curl_resolv_unlock(data, h); return CURLE_OK; } if(--portnum > 0) { @@ -764,6 +765,10 @@ singleipconnect(struct connectdata *conn, curl_socket_t sockfd; CURLcode res; const void *iptoprint; + struct sockaddr_in * const sa4 = (void *)&addr.sa_addr; +#ifdef ENABLE_IPV6 + struct sockaddr_in6 * const sa6 = (void *)&addr.sa_addr; +#endif /* * The Curl_sockaddr_ex structure is basically libcurl's external API @@ -804,9 +809,9 @@ singleipconnect(struct connectdata *conn, /* no socket, no connection */ return CURL_SOCKET_BAD; -#ifdef CURLRES_IPV6 +#ifdef ENABLE_IPV6 if (conn->scope && (addr.family == AF_INET6)) - ((struct sockaddr_in6 *)(&addr.sa_addr))->sin6_scope_id = conn->scope; + sa6->sin6_scope_id = conn->scope; #endif /* FIXME: do we have Curl_printable_address-like with struct sockaddr* as @@ -823,10 +828,10 @@ singleipconnect(struct connectdata *conn, { #ifdef ENABLE_IPV6 if(addr.family == AF_INET6) - iptoprint = &((const struct sockaddr_in6*)(&addr.sa_addr))->sin6_addr; + iptoprint = &sa6->sin6_addr; else #endif - iptoprint = &((const struct sockaddr_in*)(&addr.sa_addr))->sin_addr; + iptoprint = &sa4->sin_addr; if(Curl_inet_ntop(addr.family, iptoprint, addr_buf, sizeof(addr_buf)) != NULL) { @@ -879,6 +879,8 @@ static CURLcode ftp_state_use_port(struct connectdata *conn, socklen_t sslen; char hbuf[NI_MAXHOST]; struct sockaddr *sa=(struct sockaddr *)&ss; + struct sockaddr_in * const sa4 = (void *)sa; + struct sockaddr_in6 * const sa6 = (void *)sa; char tmp[1024]; static const char mode[][5] = { "EPRT", "PORT" }; int rc; @@ -974,9 +976,9 @@ static CURLcode ftp_state_use_port(struct connectdata *conn, /* set port number to zero to make bind() pick "any" */ if(sa->sa_family == AF_INET) - ((struct sockaddr_in *)sa)->sin_port=0; + sa4->sin_port = 0; else - ((struct sockaddr_in6 *)sa)->sin6_port =0; + sa6->sin6_port = 0; if(sslen > (socklen_t)sizeof(ss)) sslen = sizeof(ss); @@ -1027,10 +1029,10 @@ static CURLcode ftp_state_use_port(struct connectdata *conn, switch (sa->sa_family) { case AF_INET: - port = ntohs(((struct sockaddr_in *)sa)->sin_port); + port = ntohs(sa4->sin_port); break; case AF_INET6: - port = ntohs(((struct sockaddr_in6 *)sa)->sin6_port); + port = ntohs(sa6->sin6_port); break; default: break; |