From 478552d33817e8e5aca4aa281ed143d8c57e9c02 Mon Sep 17 00:00:00 2001
From: irungentoo <irungentoo@gmail.com>
Date: Mon, 11 May 2015 12:41:53 -0400
Subject: Fixes and changes to tox_bootstrap and tox_add_tcp_relay.

Functionality of both no longer overlaps.

If address has more than 1 ip, call the internal function on all of them.
---
 toxcore/tox.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 76 insertions(+), 18 deletions(-)

(limited to 'toxcore')

diff --git a/toxcore/tox.c b/toxcore/tox.c
index 92318cf9..4f3613ee 100644
--- a/toxcore/tox.c
+++ b/toxcore/tox.c
@@ -271,23 +271,53 @@ bool tox_bootstrap(Tox *tox, const char *address, uint16_t port, const uint8_t *
         return 0;
     }
 
-    Messenger *m = tox;
-    bool ret = tox_add_tcp_relay(tox, address, port, public_key, error);
+    if (port == 0) {
+        SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_BAD_PORT);
+        return 0;
+    }
 
-    if (!ret) {
+    struct addrinfo *root, *info;
+
+    if (getaddrinfo(address, NULL, NULL, &root) != 0) {
+        SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_BAD_HOST);
         return 0;
     }
 
-    if (m->options.udp_disabled) {
-        return ret;
-    } else { /* DHT only works on UDP. */
-        if (DHT_bootstrap_from_address(m->dht, address, m->options.ipv6enabled, htons(port), public_key) == 0) {
-            SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_BAD_HOST);
-            return 0;
+    info = root;
+
+    unsigned int count = 0;
+
+    do {
+        IP_Port ip_port;
+        ip_port.port = htons(port);
+        ip_port.ip.family = info->ai_family;
+
+        if (info->ai_socktype && info->ai_socktype != SOCK_DGRAM) {
+            continue;
+        }
+
+        if (info->ai_family == AF_INET) {
+            ip_port.ip.ip4.in_addr = ((struct sockaddr_in *)info->ai_addr)->sin_addr;
+        } else if (info->ai_family == AF_INET6) {
+            ip_port.ip.ip6.in6_addr = ((struct sockaddr_in6 *)info->ai_addr)->sin6_addr;
+        } else {
+            continue;
         }
 
+        Messenger *m = tox;
+        onion_add_bs_path_node(m->onion_c, ip_port, public_key);
+        DHT_bootstrap(m->dht, ip_port, public_key);
+        ++count;
+    } while ((info = info->ai_next));
+
+    freeaddrinfo(root);
+
+    if (count) {
         SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_OK);
         return 1;
+    } else {
+        SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_BAD_HOST);
+        return 0;
     }
 }
 
@@ -299,25 +329,53 @@ bool tox_add_tcp_relay(Tox *tox, const char *address, uint16_t port, const uint8
         return 0;
     }
 
-    Messenger *m = tox;
-    IP_Port ip_port, ip_port_v4;
-
     if (port == 0) {
         SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_BAD_PORT);
         return 0;
     }
 
-    if (address_to_ip(m, address, &ip_port, &ip_port_v4) == -1) {
+    struct addrinfo *root, *info;
+
+    if (getaddrinfo(address, NULL, NULL, &root) != 0) {
         SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_BAD_HOST);
         return 0;
     }
 
-    ip_port.port = htons(port);
-    add_tcp_relay(m->net_crypto, ip_port, public_key);
-    onion_add_bs_path_node(m->onion_c, ip_port, public_key); //TODO: move this
+    info = root;
 
-    SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_OK);
-    return 1;
+    unsigned int count = 0;
+
+    do {
+        IP_Port ip_port;
+        ip_port.port = htons(port);
+        ip_port.ip.family = info->ai_family;
+
+        if (info->ai_socktype && info->ai_socktype != SOCK_STREAM) {
+            continue;
+        }
+
+        if (info->ai_family == AF_INET) {
+            ip_port.ip.ip4.in_addr = ((struct sockaddr_in *)info->ai_addr)->sin_addr;
+        } else if (info->ai_family == AF_INET6) {
+            ip_port.ip.ip6.in6_addr = ((struct sockaddr_in6 *)info->ai_addr)->sin6_addr;
+        } else {
+            continue;
+        }
+
+        Messenger *m = tox;
+        add_tcp_relay(m->net_crypto, ip_port, public_key);
+        ++count;
+    } while ((info = info->ai_next));
+
+    freeaddrinfo(root);
+
+    if (count) {
+        SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_OK);
+        return 1;
+    } else {
+        SET_ERROR_PARAMETER(error, TOX_ERR_BOOTSTRAP_BAD_HOST);
+        return 0;
+    }
 }
 
 TOX_CONNECTION tox_self_get_connection_status(const Tox *tox)
-- 
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