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config_transport: Tell pjproject to allow all SSL/TLS protocols

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The default tls settings for pjproject only allow TLS 1, TLS 1.1 and TLS 1.2.
SSL is not allowed.   So, even if you specify "sslv3" for a transport method,
it's silently ignored and one of the TLS protocols is used.  This was a new
behavior of pjsip_tls_setting_default() in 2.4 (when tls.proto was added) that
we never caught.

Now we need to set tls.proto = 0 after we call pjsip_tls_setting_default().
This tells pjproject to set the socket protocol to match the method.

ASTERISK-26004 #close

Change-Id: Icfb55c1ebe921298dedb4b1a1d3bdc3ca41dd078
This commit is contained in:
George Joseph
2016-05-07 13:39:25 -06:00
committed by Joshua Colp
parent 5b15ec966d
commit dfefbf8731
1 changed files with 4 additions and 0 deletions
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4
res/res_pjsip/config_transport.c
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@@ -378,6 +378,10 @@ static struct ast_sip_transport_state *find_or_create_temporary_state(struct ast
new_state->type = transport->type;
pjsip_tls_setting_default(&new_state->tls);
#ifdef HAVE_PJSIP_TLS_TRANSPORT_PROTO
/* proto must be forced to 0 to enable all protocols otherwise only TLS will work */
new_state->tls.proto = 0;
#endif
new_state->tls.ciphers = new_state->ciphers;
ao2_ref(new_state, +1);