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chan_sip: TCP/TLS client without server.

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It is possible to configure a TCP/TLS client without having a TCP/TLS
server. In that case, no error or warning was printed but the headers
Contact and Via in SIP REGISTER were "(null)".

ASTERISK-28798

Change-Id: I387ca5cb6a65f1eb675a29c5e41df8ec6c242ab2
This commit is contained in:
traud
2020-04-01 18:52:58 +02:00
committed by Friendly Automation
parent 52ecbbd014
commit da9554d925
1 changed files with 29 additions and 18 deletions
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47
channels/chan_sip.c
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@@ -3934,23 +3934,27 @@ static void ast_sip_ouraddrfor(const struct ast_sockaddr *them, struct ast_socka
/* no remapping, but we bind to a specific address, so use it. */
switch (p->socket.type) {
case AST_TRANSPORT_TCP:
if (!ast_sockaddr_is_any(&sip_tcp_desc.local_address)) {
ast_sockaddr_copy(us,
&sip_tcp_desc.local_address);
} else {
ast_sockaddr_set_port(us,
ast_sockaddr_port(&sip_tcp_desc.local_address));
}
break;
if (!ast_sockaddr_isnull(&sip_tcp_desc.local_address)) {
if (!ast_sockaddr_is_any(&sip_tcp_desc.local_address)) {
ast_sockaddr_copy(us,
&sip_tcp_desc.local_address);
} else {
ast_sockaddr_set_port(us,
ast_sockaddr_port(&sip_tcp_desc.local_address));
}
break;
} /* fall through on purpose */
case AST_TRANSPORT_TLS:
if (!ast_sockaddr_is_any(&sip_tls_desc.local_address)) {
ast_sockaddr_copy(us,
&sip_tls_desc.local_address);
} else {
ast_sockaddr_set_port(us,
ast_sockaddr_port(&sip_tls_desc.local_address));
}
break;
if (!ast_sockaddr_isnull(&sip_tls_desc.local_address)) {
if (!ast_sockaddr_is_any(&sip_tls_desc.local_address)) {
ast_sockaddr_copy(us,
&sip_tls_desc.local_address);
} else {
ast_sockaddr_set_port(us,
ast_sockaddr_port(&sip_tls_desc.local_address));
}
break;
} /* fall through on purpose */
case AST_TRANSPORT_UDP:
/* fall through on purpose */
default:
@@ -16249,8 +16253,15 @@ static int transmit_register(struct sip_registry *r, int sipmethod, const char *
/* Set transport and port so the correct contact is built */
set_socket_transport(&p->socket, r->transport);
if (r->transport == AST_TRANSPORT_TLS || r->transport == AST_TRANSPORT_TCP) {
p->socket.port =
htons(ast_sockaddr_port(&sip_tcp_desc.local_address));
if (ast_sockaddr_isnull(&sip_tcp_desc.local_address)) {
ast_log(LOG_ERROR,
"TCP/TLS clients without server were not tested.\n");
ast_log(LOG_ERROR,
"Please, follow-up and report at issue 28798.\n");
} else {
p->socket.port =
htons(ast_sockaddr_port(&sip_tcp_desc.local_address));
}
}
/*