res_pjsip_caller_id: Add "party" parameter to RPID header.
This change adds the "party" parameter to the Remote-Party-ID header which indicates which party the header information is applicable to. In Asterisk this is determined on whether we are the calling or called party. This is added to improve interoperability with some implementations. ASTERISK-28006 Change-Id: I1eec3e377ffff8633b5c1dd59a05e9533122cfca
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@ -542,6 +542,33 @@ static void add_pai_header(const struct ast_sip_session *session, pjsip_tx_data
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pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr *)pai_hdr);
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}
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/*!
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* \internal
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* \brief Add party parameter to a Remote-Party-ID header.
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*
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* \param tdata The message where the Remote-Party-ID header is
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* \param hdr The header on which the parameters are being added
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* \param session The session involved
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*/
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static void add_party_param(pjsip_tx_data *tdata, pjsip_fromto_hdr *hdr, const struct ast_sip_session *session)
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{
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static const pj_str_t party_str = { "party", 5 };
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static const pj_str_t calling_str = { "calling", 7 };
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static const pj_str_t called_str = { "called", 6 };
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pjsip_param *party;
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/* The party value can't change throughout the lifetime, so it is set only once */
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party = pjsip_param_find(&hdr->other_param, &party_str);
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if (party) {
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return;
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}
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party = PJ_POOL_ALLOC_T(tdata->pool, pjsip_param);
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party->name = party_str;
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party->value = (session->inv_session->role == PJSIP_ROLE_UAC) ? calling_str : called_str;
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pj_list_insert_before(&hdr->other_param, party);
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}
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/*!
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* \internal
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* \brief Add privacy and screen parameters to a Remote-Party-ID header.
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@ -631,6 +658,7 @@ static void add_rpid_header(const struct ast_sip_session *session, pjsip_tx_data
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pj_list_erase(old_rpid);
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} else {
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ast_sip_modify_id_header(tdata->pool, old_rpid, id);
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add_party_param(tdata, old_rpid, session);
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add_privacy_params(tdata, old_rpid, id);
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return;
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}
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@ -646,6 +674,7 @@ static void add_rpid_header(const struct ast_sip_session *session, pjsip_tx_data
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if (!rpid_hdr) {
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return;
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}
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add_party_param(tdata, rpid_hdr, session);
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add_privacy_params(tdata, rpid_hdr, id);
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pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr *)rpid_hdr);
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}
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