[6to4 v6 4/9] gweb: Add support for connecting to IPv6 host.

[Jukka Rissanen]

---
 gweb/gweb.c |   29 ++++++++++++++++++++---------
 1 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/gweb/gweb.c b/gweb/gweb.c
index f3c8a7e..1bb1c70 100644
--- a/gweb/gweb.c
+++ b/gweb/gweb.c
@@ -31,6 +31,7 @@
 #include <string.h>
 #include <sys/socket.h>
 #include <arpa/inet.h>
+#include <netdb.h>
 
 #include "giognutls.h"
 #include "gresolv.h"
@@ -63,6 +64,7 @@ struct web_session {
        char *host;
        uint16_t port;
        unsigned long flags;
+       struct addrinfo *addr;
 
        char *content_type;
 
@@ -168,6 +170,9 @@ static void free_session(struct web_session *session)
 
        g_free(session->host);
        g_free(session->address);
+       if (session->addr != NULL)
+               freeaddrinfo(session->addr);
+
        g_free(session);
 }
 
@@ -881,10 +886,9 @@ static gboolean received_data(GIOChannel *channel, 
GIOCondition cond,
 static int connect_session_transport(struct web_session *session)
 {
        GIOFlags flags;
-       struct sockaddr_in sin;
        int sk;
 
-       sk = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+       sk = socket(session->addr->ai_family, SOCK_STREAM, IPPROTO_TCP);
        if (sk < 0)
                return -EIO;
 
@@ -910,12 +914,8 @@ static int connect_session_transport(struct web_session 
*session)
 
        g_io_channel_set_close_on_unref(session->transport_channel, TRUE);
 
-       memset(&sin, 0, sizeof(sin));
-       sin.sin_family = AF_INET;
-       sin.sin_port = htons(session->port);
-       sin.sin_addr.s_addr = inet_addr(session->address);
-
-       if (connect(sk, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
+       if (connect(sk, session->addr->ai_addr,
+                       session->addr->ai_addrlen) < 0) {
                if (errno != EINPROGRESS) {
                        close(sk);
                        return -EIO;
@@ -1048,6 +1048,8 @@ static void resolv_result(GResolvResultStatus status,
                                        char **results, gpointer user_data)
 {
        struct web_session *session = user_data;
+       struct addrinfo hints;
+       int ret;
 
        if (results == NULL || results[0] == NULL) {
                call_result_func(session, 404);
@@ -1056,7 +1058,16 @@ static void resolv_result(GResolvResultStatus status,
 
        debug(session->web, "address %s", results[0]);
 
-       if (inet_aton(results[0], NULL) == 0) {
+       memset(&hints, 0, sizeof(struct addrinfo));
+       hints.ai_flags = AI_NUMERICHOST;
+
+       if (session->addr != NULL) {
+               freeaddrinfo(session->addr);
+               session->addr = NULL;
+       }
+
+       ret = getaddrinfo(results[0], NULL, &hints, &session->addr);
+       if (ret != 0 || session->addr == NULL) {
                call_result_func(session, 400);
                return;
        }
-- 
1.7.0.4

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