[asterisk-commits] dvossel: branch 1.8 r291578 - /branches/1.8/channels/chan_gtalk.c
SVN commits to the Asterisk project
asterisk-commits at lists.digium.com
Wed Oct 13 17:46:38 CDT 2010
Author: dvossel
Date: Wed Oct 13 17:46:34 2010
New Revision: 291578
URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=291578
Log:
More fixup for chan_gtalk.
This patch makes the xml parsing safer.
Modified:
branches/1.8/channels/chan_gtalk.c
Modified: branches/1.8/channels/chan_gtalk.c
URL: http://svnview.digium.com/svn/asterisk/branches/1.8/channels/chan_gtalk.c?view=diff&rev=291578&r1=291577&r2=291578
==============================================================================
--- branches/1.8/channels/chan_gtalk.c (original)
+++ branches/1.8/channels/chan_gtalk.c Wed Oct 13 17:46:34 2010
@@ -788,8 +788,10 @@
ast_debug(1, "The client is %s\n", client->name);
/* Make sure our new call doesn't exist yet */
for (tmp = client->p; tmp; tmp = tmp->next) {
- if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) || !strcmp(iks_find_attrib(pak->query, "id"), tmp->sid))
+ if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) ||
+ (iks_find_attrib(pak->query, "id") && !strcmp(iks_find_attrib(pak->query, "id"), tmp->sid))) {
break;
+ }
}
from = iks_find_attrib(pak->x, "to");
if (!from) {
@@ -840,8 +842,8 @@
if (p->ctype == AJI_CLIENT_GMAIL) {
iks_insert_node(gtalk,candidate);
} else {
+ iks_insert_node(gtalk,candidate);
iks_insert_node(gtalk,transport);
- iks_insert_node(gtalk,candidate);
}
for (; p; p = p->next) {
@@ -1028,6 +1030,7 @@
return NULL;
}
ast_rtp_instance_set_prop(tmp->rtp, AST_RTP_PROPERTY_RTCP, 1);
+ ast_rtp_instance_set_prop(tmp->rtp, AST_RTP_PROPERTY_STUN, 1);
ast_rtp_instance_set_prop(tmp->rtp, AST_RTP_PROPERTY_DTMF, 1);
ast_rtp_instance_dtmf_mode_set(tmp->rtp, AST_RTP_DTMF_MODE_RFC2833);
ast_rtp_codecs_payloads_clear(ast_rtp_instance_get_codecs(tmp->rtp), tmp->rtp);
@@ -1091,19 +1094,18 @@
what = global_capability;
/* Set Frame packetization */
- if (i->rtp)
+ if (i->rtp) {
ast_rtp_codecs_packetization_set(ast_rtp_instance_get_codecs(i->rtp), i->rtp, &i->prefs);
+ }
tmp->nativeformats = ast_codec_choose(&i->prefs, what, 1) | (i->jointcapability & AST_FORMAT_VIDEO_MASK);
fmt = ast_best_codec(tmp->nativeformats);
if (i->rtp) {
- ast_rtp_instance_set_prop(i->rtp, AST_RTP_PROPERTY_STUN, 1);
ast_channel_set_fd(tmp, 0, ast_rtp_instance_fd(i->rtp, 0));
ast_channel_set_fd(tmp, 1, ast_rtp_instance_fd(i->rtp, 1));
}
if (i->vrtp) {
- ast_rtp_instance_set_prop(i->vrtp, AST_RTP_PROPERTY_STUN, 1);
ast_channel_set_fd(tmp, 2, ast_rtp_instance_fd(i->vrtp, 0));
ast_channel_set_fd(tmp, 3, ast_rtp_instance_fd(i->vrtp, 1));
}
@@ -1239,6 +1241,7 @@
char *from = NULL;
char s1[BUFSIZ], s2[BUFSIZ], s3[BUFSIZ];
int peernoncodeccapability;
+ char *sid;
/* Make sure our new call doesn't exist yet */
from = iks_find_attrib(pak->x,"to");
@@ -1247,7 +1250,8 @@
}
while (tmp) {
- if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) || !strcmp(iks_find_attrib(pak->query, "id"), tmp->sid)) {
+ if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) ||
+ (iks_find_attrib(pak->query, "id") && !strcmp(iks_find_attrib(pak->query, "id"), tmp->sid))) {
ast_log(LOG_NOTICE, "Ignoring duplicate call setup on SID %s\n", tmp->sid);
gtalk_response(client, from, pak, "out-of-order", NULL);
return -1;
@@ -1265,7 +1269,12 @@
}
}
- p = gtalk_alloc(client, from, pak->from->full, iks_find_attrib(pak->query, "id"));
+ if (!(sid = iks_find_attrib(pak->query, "id"))) {
+ ast_log(LOG_WARNING, "Received Initiate without id attribute. Can not start call.\n");
+ return -1;
+ }
+
+ p = gtalk_alloc(client, from, pak->from->full, sid);
if (!p) {
ast_log(LOG_WARNING, "Unable to allocate gtalk structure!\n");
return -1;
@@ -1287,21 +1296,24 @@
ast_mutex_lock(&p->lock);
ast_copy_string(p->them, pak->from->full, sizeof(p->them));
- if (iks_find_attrib(pak->query, "id")) {
- ast_copy_string(p->sid, iks_find_attrib(pak->query, "id"),
- sizeof(p->sid));
- }
+ ast_copy_string(p->sid, sid, sizeof(p->sid));
/* codec points to the first <payload-type/> tag */
codec = iks_first_tag(iks_first_tag(iks_first_tag(pak->x)));
while (codec) {
+ char *codec_id = iks_find_attrib(codec, "id");
+ char *codec_name = iks_find_attrib(codec, "name");
+ if (!codec_id || !codec_name) {
+ codec = iks_next_tag(codec);
+ continue;
+ }
if (!strcmp(iks_name(codec), "vid:payload-type") && p->vrtp) {
- ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(p->vrtp), p->vrtp, atoi(iks_find_attrib(codec, "id")));
- ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(p->vrtp), p->vrtp, atoi(iks_find_attrib(codec, "id")), "video", iks_find_attrib(codec, "name"), 0);
+ ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(p->vrtp), p->vrtp, atoi(codec_id));
+ ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(p->vrtp), p->vrtp, atoi(codec_id), "video", codec_name, 0);
} else {
- ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id")));
- ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", iks_find_attrib(codec, "name"), 0);
+ ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(codec_id));
+ ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(p->rtp), p->rtp, atoi(codec_id), "audio", codec_name, 0);
}
codec = iks_next_tag(codec);
}
@@ -1406,7 +1418,11 @@
char username[256];
/* Find the IP address of the host */
- hp = ast_gethostbyname(tmp->ip, &ahp);
+ if (!(hp = ast_gethostbyname(tmp->ip, &ahp))) {
+ ast_log(LOG_WARNING, "Could not get host by name for %s\n", tmp->ip);
+ tmp = tmp->next;
+ continue;
+ }
sin.sin_family = AF_INET;
memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr));
sin.sin_port = htons(tmp->port);
@@ -1449,7 +1465,8 @@
}
for (tmp = client->p; tmp; tmp = tmp->next) {
- if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) || !strcmp(iks_find_attrib(pak->query, "id"), tmp->sid)) {
+ if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) ||
+ (iks_find_attrib(pak->query, "id") && !strcmp(iks_find_attrib(pak->query, "id"), tmp->sid))) {
p = tmp;
break;
}
@@ -1468,38 +1485,39 @@
traversenodes = iks_child(traversenodes);
continue;
}
- if(!strcasecmp(iks_name(traversenodes), "transport")) {
- traversenodes = iks_first_tag(traversenodes);
- continue;
- }
if(!strcasecmp(iks_name(traversenodes), "candidate") || !strcasecmp(iks_name(traversenodes), "ses:candidate")) {
newcandidate = ast_calloc(1, sizeof(*newcandidate));
if (!newcandidate)
return 0;
- ast_copy_string(newcandidate->name, iks_find_attrib(traversenodes, "name"),
- sizeof(newcandidate->name));
- ast_copy_string(newcandidate->ip, iks_find_attrib(traversenodes, "address"),
- sizeof(newcandidate->ip));
+ ast_copy_string(newcandidate->name,
+ S_OR(iks_find_attrib(traversenodes, "name"), ""),
+ sizeof(newcandidate->name));
+ ast_copy_string(newcandidate->ip,
+ S_OR(iks_find_attrib(traversenodes, "address"), ""),
+ sizeof(newcandidate->ip));
newcandidate->port = atoi(iks_find_attrib(traversenodes, "port"));
- ast_copy_string(newcandidate->username, iks_find_attrib(traversenodes, "username"),
- sizeof(newcandidate->username));
- ast_copy_string(newcandidate->password, iks_find_attrib(traversenodes, "password"),
- sizeof(newcandidate->password));
+ ast_copy_string(newcandidate->username,
+ S_OR(iks_find_attrib(traversenodes, "username"), ""),
+ sizeof(newcandidate->username));
+ ast_copy_string(newcandidate->password,
+ S_OR(iks_find_attrib(traversenodes, "password"), ""),
+ sizeof(newcandidate->password));
newcandidate->preference = atof(iks_find_attrib(traversenodes, "preference"));
- if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "udp"))
+ if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "protocol"), ""), "udp"))
newcandidate->protocol = AJI_PROTOCOL_UDP;
- if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "ssltcp"))
+ if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "protocol"), ""), "ssltcp"))
newcandidate->protocol = AJI_PROTOCOL_SSLTCP;
- if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "stun"))
+ if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "type"), ""), "stun"))
newcandidate->type = AJI_CONNECT_STUN;
- if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "local"))
+ if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "type"), ""), "local"))
newcandidate->type = AJI_CONNECT_LOCAL;
- if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "relay"))
+ if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "type"), ""), "relay"))
newcandidate->type = AJI_CONNECT_RELAY;
- ast_copy_string(newcandidate->network, iks_find_attrib(traversenodes, "network"),
- sizeof(newcandidate->network));
- newcandidate->generation = atoi(iks_find_attrib(traversenodes, "generation"));
+ ast_copy_string(newcandidate->network,
+ S_OR(iks_find_attrib(traversenodes, "network"), ""),
+ sizeof(newcandidate->network));
+ newcandidate->generation = atoi(S_OR(iks_find_attrib(traversenodes, "generation"), "0"));
newcandidate->next = NULL;
newcandidate->next = p->theircandidates;
@@ -1514,8 +1532,8 @@
receipt = iks_new("iq");
iks_insert_attrib(receipt, "type", "result");
iks_insert_attrib(receipt, "from", from);
- iks_insert_attrib(receipt, "to", iks_find_attrib(pak->x, "from"));
- iks_insert_attrib(receipt, "id", iks_find_attrib(pak->x, "id"));
+ iks_insert_attrib(receipt, "to", S_OR(iks_find_attrib(pak->x, "from"), ""));
+ iks_insert_attrib(receipt, "id", S_OR(iks_find_attrib(pak->x, "id"), ""));
ast_aji_send(c, receipt);
iks_delete(receipt);
@@ -1864,9 +1882,9 @@
ASTOBJ_WRLOCK(client);
p = gtalk_alloc(client, strchr(sender, '@') ? sender : client->connection->jid->full, strchr(to, '@') ? to : client->user, NULL);
- if (p)
+ if (p) {
chan = gtalk_new(client, p, AST_STATE_DOWN, to, requestor ? requestor->linkedid : NULL);
-
+ }
ASTOBJ_UNLOCK(client);
return chan;
}
@@ -1961,8 +1979,12 @@
struct gtalk *client = ASTOBJ_REF((struct gtalk *) data);
int res;
- if (iks_find_attrib(pak->x, "type") && !strcmp(iks_find_attrib (pak->x, "type"),"error")) {
+ if (!strcmp(S_OR(iks_find_attrib(pak->x, "type"), ""), "error")) {
ast_log(LOG_NOTICE, "Remote peer reported an error, trying to establish the call anyway\n");
+ }
+
+ if (ast_strlen_zero(iks_find_attrib(pak->query, "type"))) {
+ ast_log(LOG_NOTICE, "No attribute \"type\" found. Ignoring message.\n");
} else if (!strcmp(iks_find_attrib(pak->query, "type"), "initiate")) {
/* New call */
gtalk_newcall(client, pak);
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