moparisthebest
/
curl
mirror of https://github.com/moparisthebest/curl
1
0
Fork 0
Code Issues Releases Wiki Activity

connect: avoid skipping an IPv4 address 

... in case the protocol versions are mixed in a DNS response
(IPv6 -> IPv4 -> IPv6).

Bug: https://bugzilla.redhat.com/show_bug.cgi?id=1187531#c3
This commit is contained in:
Kamil Dudka 2015-02-16 17:00:05 +01:00
parent 5d87b1f22c
commit 92835ca5d8
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/connect.c
View File

@ -542,6 +542,7 @@ static CURLcode trynextip(struct connectdata *conn,
int sockindex,
int tempindex)
{
const int other = tempindex ^ 1;
CURLcode result = CURLE_COULDNT_CONNECT;
/* First clean up after the failed socket.
@ -572,8 +573,11 @@ static CURLcode trynextip(struct connectdata *conn,
}
while(ai) {
while(ai && ai->ai_family != family)
ai = ai->ai_next;
if(conn->tempaddr[other]) {
/* we can safely skip addresses of the other protocol family */
while(ai && ai->ai_family != family)
ai = ai->ai_next;
}
if(ai) {
result = singleipconnect(conn, ai, &conn->tempsock[tempindex]);