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lib/connect: restrict IP/TCP options to said sockets 

This patch prepares for adding UNIX domain sockets support.

TCP_NODELAY and TCP_KEEPALIVE are specific to TCP/IP sockets, so do not
apply these to other socket types. bindlocal only works for IP sockets
(independent of TCP/UDP), so filter that out too for other types.

Signed-off-by: Peter Wu <peter@lekensteyn.nl>
This commit is contained in:
Peter Wu 2014-11-27 23:59:18 +01:00 committed by Daniel Stenberg
parent 397a634ebd
commit aba5888f6b
1 changed files with 15 additions and 11 deletions
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26
lib/connect.c
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@ -991,6 +991,7 @@ static CURLcode singleipconnect(struct connectdata *conn,
CURLcode result;
char ipaddress[MAX_IPADR_LEN];
long port;
bool is_tcp;
*sockp = CURL_SOCKET_BAD;
@ -1013,14 +1014,16 @@ static CURLcode singleipconnect(struct connectdata *conn,
}
infof(data, " Trying %s...\n", ipaddress);
if(data->set.tcp_nodelay)
is_tcp = (addr.family == AF_INET || addr.family == AF_INET6) &&
addr.socktype == SOCK_STREAM;
if(is_tcp && data->set.tcp_nodelay)
tcpnodelay(conn, sockfd);
nosigpipe(conn, sockfd);
Curl_sndbufset(sockfd);
if(data->set.tcp_keepalive)
if(is_tcp && data->set.tcp_keepalive)
tcpkeepalive(data, sockfd);
if(data->set.fsockopt) {
@ -1038,16 +1041,17 @@ static CURLcode singleipconnect(struct connectdata *conn,
}
/* possibly bind the local end to an IP, interface or port */
result = bindlocal(conn, sockfd, addr.family);
if(result) {
Curl_closesocket(conn, sockfd); /* close socket and bail out */
if(result == CURLE_UNSUPPORTED_PROTOCOL) {
/* The address family is not supported on this interface.
We can continue trying addresses */
return CURLE_OK;
if(addr.family == AF_INET || addr.family == AF_INET6) {
result = bindlocal(conn, sockfd, addr.family);
if(result) {
Curl_closesocket(conn, sockfd); /* close socket and bail out */
if(result == CURLE_UNSUPPORTED_PROTOCOL) {
/* The address family is not supported on this interface.
We can continue trying addresses */
return CURLE_OK;
}
return result;
}
return result;
}
/* set socket non-blocking */