Function ospGetPaiUser

modules/osp/sipheader.c:471–504

* Get user part from P-Asserted-Identity header * param msg SIP message * param user User part of P-Asserted-Identity header * param bufsize Size of fromuser buffer * return 0 success, 1 without PAI, -1 failure */

 * return 0 success, 1 without PAI, -1 failure
 */
int ospGetPaiUser(
    struct sip_msg* msg,
    char* paiuser,
    int bufsize)
{
    struct to_body* pai;
    struct sip_uri uri;
    int result = -1;

    if ((paiuser != NULL) && (bufsize > 0)) {
        paiuser[0] = '\0';
        if (msg->pai != NULL) {
            if (parse_pai_header(msg) == 0) {
                pai = get_pai(msg);
                if (parse_uri(pai->uri.s, pai->uri.len, &uri) == 0) {
                    ospCopyStrToBuffer(&uri.user, paiuser, bufsize);
                    ospSkipUserParam(paiuser);
                    result = 0;
                } else {
                    LM_ERR("failed to parse PAI uri\n");
                }
            } else {
                LM_ERR("failed to parse PAI uri\n");
            }
        } else {
            LM_DBG("without PAI header\n");
            result = 1;
        }
    } else {
        LM_ERR("bad parameters to parse user part from PAI\n");
    }

    return result;
}

/*
 * Get host part from P-Asserted-Identity header