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156 lines
3.3 KiB
156 lines
3.3 KiB
/*
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* Copyright (C) 2006 Vaclav Kubart, vaclav dot kubart at iptel dot org
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*! \file
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* \brief Parser :: Parse subscription-state in NOTIFY
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*
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* \ingroup parser
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*/
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#include "parse_subscription_state.h"
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#include "../dprint.h"
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#include "../trim.h"
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#include "../mem/mem.h"
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#include "../ut.h"
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#include "parser_f.h"
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#include "parse_param.h"
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#include <string.h>
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void free_subscription_state(subscription_state_t**ss)
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{
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if (ss) {
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if (*ss) pkg_free(*ss);
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*ss = 0;
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}
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}
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static inline int str_cmp(const str *a, const str *b)
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{
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int i;
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if (a->len != b->len) return 1;
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for (i = 0; i < a->len; i++)
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if (a->s[i] != b->s[i]) return 1;
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return 0;
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}
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static int ss_parse(str *src, subscription_state_t *ss)
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{
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static str active = STR_STATIC_INIT("active");
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static str pending = STR_STATIC_INIT("pending");
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static str terminated = STR_STATIC_INIT("terminated");
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int res = 0;
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param_hooks_t ph;
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param_t *params;
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str s = *src;
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str state;
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char *c;
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/* initialization */
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ss->expires_set = 0;
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ss->expires = 0;
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trim_leading(&s);
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state = s;
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c = find_not_quoted(&s, ';');
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if (c) {
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/* first parameter starts after c */
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state.len = c - state.s;
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s.len = s.len - (c - s.s) - 1;
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s.s = c + 1;
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}
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else {
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s.len = 0;
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}
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/* set state value */
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trim(&state);
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if (str_cmp(&state, &active) == 0) {
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ss->value = ss_active;
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}
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else if (str_cmp(&state, &pending) == 0) {
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ss->value = ss_pending;
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}
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else if (str_cmp(&state, &terminated) == 0) {
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ss->value = ss_terminated;
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}
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else {
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/* INFO("unknown subscription-State value :%.*s\n",
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state.len, state.s); */
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ss->value = ss_extension;
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}
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/* explore parameters */
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trim_leading(&s);
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if (s.len > 0) {
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params = NULL;
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if (parse_params(&s, CLASS_CONTACT, &ph, ¶ms) < 0) {
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ERR("can't parse params\n");
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res = -1;
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}
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else {
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if (ph.contact.expires) {
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ss->expires_set = 1;
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res = str2int(&ph.contact.expires->body, &ss->expires);
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if (res != 0)
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ERR("invalid expires value: \'%.*s\'\n",
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ph.contact.expires->body.len,
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ph.contact.expires->body.s);
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}
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if (params) free_params(params);
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}
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}
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/*
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ss->value = ss_active;
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ss->expires = 0;*/
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return res;
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}
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int parse_subscription_state(struct hdr_field *h)
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{
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subscription_state_t *ss;
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if (h->parsed) return 0;
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ss = (subscription_state_t*)pkg_malloc(sizeof(*ss));
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if (!ss) {
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ERR("No memory left\n");
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return -1;
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}
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memset(ss, 0, sizeof(*ss));
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if (ss_parse(&h->body, ss) < 0) {
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ERR("Can't parse Subscription-State\n");
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pkg_free(ss);
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return -2;
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}
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h->parsed = (void*)ss;
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return 0;
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}
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