diff options
Diffstat (limited to 'lib/hostip.c')
| -rw-r--r-- | lib/hostip.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/hostip.c b/lib/hostip.c index 5e0312453..ccecf7267 100644 --- a/lib/hostip.c +++ b/lib/hostip.c @@ -761,6 +761,10 @@ static Curl_addrinfo *my_getaddrinfo(struct connectdata *conn, *waitp = FALSE; + if(data->set.ip_version == CURL_IPRESOLVE_V6) + /* an ipv6 address was requested and we can't get/use one */ + return NULL; + bufp = strdup(hostname); if(bufp) { @@ -906,11 +910,17 @@ static Curl_addrinfo *my_getaddrinfo(struct connectdata *conn, /* see if we have an IPv6 stack */ s = socket(PF_INET6, SOCK_DGRAM, 0); - if (s < 0) + if (s < 0) { /* Some non-IPv6 stacks have been found to make very slow name resolves * when PF_UNSPEC is used, so thus we switch to a mere PF_INET lookup if * the stack seems to be a non-ipv6 one. */ + + if(data->set.ip_version == CURL_IPRESOLVE_V6) + /* an ipv6 address was requested and we can't get/use one */ + return NULL; + pf = PF_INET; + } else { /* This seems to be an IPv6-capable stack, use PF_UNSPEC for the widest * possible checks. And close the socket again. @@ -1120,6 +1130,10 @@ static Curl_addrinfo *my_getaddrinfo(struct connectdata *conn, *waitp = 0; /* don't wait, we act synchronously */ + if(data->set.ip_version == CURL_IPRESOLVE_V6) + /* an ipv6 address was requested and we can't get/use one */ + return NULL; + in=inet_addr(hostname); if (in != CURL_INADDR_NONE) { struct in_addr *addrentry; |