[sr-dev] git:admorten/sca: sca: reject out-of-dialog attempts to seize privately held call.

Module: sip-router Branch: admorten/sca Commit: d18a51a4ddec40e20cec2d28a1c2a42352396733 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=d18a51a… Author: Andrew Mortensen &lt;admorten(a)isc.upenn.edu&gt; Committer: Andrew Mortensen &lt;admorten(a)isc.upenn.edu&gt; Date: Sun Mar 3 17:00:44 2013 -0500 sca: reject out-of-dialog attempts to seize privately held call. - per spec, reject with 403 Forbidden. --- modules/sca/sca_call_info.c | 18 +++++++++++++++++- 1 files changed, 17 insertions(+), 1 deletions(-) diff --git a/modules/sca/sca_call_info.c b/modules/sca/sca_call_info.c index de79f38..0195b0e 100644 --- a/modules/sca/sca_call_info.c +++ b/modules/sca/sca_call_info.c @@ -31,6 +31,7 @@ #include "sca_dialog.h" #include "sca_event.h" #include "sca_notify.h" +#include "sca_reply.h" #include "sca_subscribe.h" #include "sca_util.h" @@ -564,6 +565,19 @@ sca_call_info_seize_held_call( sip_msg_t *msg, sca_call_info *call_info, goto done; } + if ( app->state == SCA_APPEARANCE_STATE_HELD_PRIVATE ) { + /* + * spec calls for "403 Forbidden" when non-owner tries to + * seize a privately held call. if we get here, there's no + * to-tag in the INVITE, meaning this isn't a reINVITE + * from the owner to take the call off private hold. + */ + SCA_REPLY_ERROR( sca, 403, "Forbidden - private call", msg ); + + /* rc bubbles up to script. 0 tells script to stop processing. */ + rc = 0; + goto done; + } LM_DBG( "sca_call_info_seize_held_call: seizing %.*s index %d, callee %.*s", STR_FMT( from_aor ), app->index, STR_FMT( &app->callee )); @@ -980,10 +994,12 @@ sca_call_info_invite_request_handler( sip_msg_t *msg, sca_call_info *call_info, from, to, from_aor, to_aor )) { rc = sca_call_info_seize_held_call( msg, call_info, from, to, from_aor, to_aor, contact_uri ); + if ( rc <= 0 ) { + goto done; + } } /* otherwise, this is an initial INVITE */ - dialog.id.s = dlg_buf; if ( sca_dialog_build_from_tags( &dialog, sizeof( dlg_buf ), &msg->callid->body, &from->tag_value, &to->tag_value ) < 0 ) {