mgcp: Parse a Digital Trunk endpoint name.
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6adac17a10
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@ -95,4 +95,5 @@ AC_OUTPUT(
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tests/db/Makefile
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tests/channel/Makefile
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tests/bsc-nat/Makefile
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tests/mgcp/Makefile
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Makefile)
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@ -260,18 +260,56 @@ static int find_msg_pointers(struct msgb *msg, struct mgcp_msg_ptr *ptrs, int pt
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return found;
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}
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/**
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* We have a null terminated string with the endpoint name here. We only
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* support two kinds. Simple ones as seen on the BSC level and the ones
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* seen on the trunk side.
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*/
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static struct mgcp_endpoint *find_e1_endpoint(struct mgcp_config *cfg,
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const char *mgcp)
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{
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char *rest = NULL;
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int trunk, endp, mgcp_endp;
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trunk = strtoul(mgcp + 6, &rest, 10);
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if (rest == NULL || rest[0] != '/') {
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LOGP(DMGCP, LOGL_ERROR, "Wrong trunk name '%s'\n", mgcp);
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return NULL;
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}
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endp = strtoul(rest + 1, &rest, 10);
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if (rest == NULL || rest[0] != '@') {
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LOGP(DMGCP, LOGL_ERROR, "Wrong trunk name '%s'\n", mgcp);
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return NULL;
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}
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/* signalling is on timeslot 1 */
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if (endp == 1)
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return NULL;
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mgcp_endp = mgcp_timeslot_to_endpoint(trunk, endp);
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if (mgcp_endp < 1 || mgcp_endp >= cfg->number_endpoints) {
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LOGP(DMGCP, LOGL_ERROR, "Failed to find endpoint '%s'\n", mgcp);
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}
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return &cfg->endpoints[mgcp_endp];
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}
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static struct mgcp_endpoint *find_endpoint(struct mgcp_config *cfg, const char *mgcp)
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{
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char *endptr = NULL;
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unsigned int gw = INT_MAX;
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gw = strtoul(mgcp, &endptr, 16);
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if (gw == 0 || gw >= cfg->number_endpoints || strcmp(endptr, "@mgw") != 0) {
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LOGP(DMGCP, LOGL_ERROR, "Not able to find endpoint: '%s'\n", mgcp);
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return NULL;
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if (strncmp(mgcp, "ds/e1", 5) == 0) {
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return find_e1_endpoint(cfg, mgcp);
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} else {
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gw = strtoul(mgcp, &endptr, 16);
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if (gw > 0 && gw < cfg->number_endpoints && strcmp(endptr, "@mgw") == 0)
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return &cfg->endpoints[gw];
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}
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return &cfg->endpoints[gw];
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LOGP(DMGCP, LOGL_ERROR, "Not able to find endpoint: '%s'\n", mgcp);
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return NULL;
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}
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int mgcp_analyze_header(struct mgcp_config *cfg, struct msgb *msg,
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@ -1,4 +1,4 @@
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SUBDIRS = debug gsm0408 db channel
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SUBDIRS = debug gsm0408 db channel mgcp
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if BUILD_NAT
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SUBDIRS += bsc-nat
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@ -0,0 +1,12 @@
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INCLUDES = $(all_includes) -I$(top_srcdir)/include
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AM_CFLAGS=-Wall -ggdb3 $(LIBOSMOCORE_CFLAGS) $(LIBOSMOSCCP_CFLAGS) $(COVERAGE_CFLAGS)
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AM_LDFLAGS = $(COVERAGE_LDFLAGS)
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EXTRA_DIST = bsc_data.c
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noinst_PROGRAMS = mgcp_test
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mgcp_test_SOURCES = mgcp_test.c \
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$(top_srcdir)/src/mgcp/mgcp_protocol.c \
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$(top_srcdir)/src/mgcp/mgcp_network.c
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mgcp_test_LDADD = $(top_builddir)/src/libbsc.a $(LIBOSMOCORE_LIBS) -lrt $(LIBOSMOSCCP_LIBS) $(LIBOSMOVTY_LIBS)
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@ -0,0 +1,82 @@
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/*
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* (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2011 by On-Waves
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <openbsc/mgcp.h>
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#include <osmocore/talloc.h>
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#include <string.h>
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static struct msgb *create_auep1()
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{
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struct msgb *msg;
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msg = msgb_alloc_headroom(4096, 128, "MGCP msg");
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int len = sprintf((char *)msg->data, "AUEP 158663169 ds/e1-0/2@172.16.6.66 MGCP 1.0\r\n");
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msg->l2h = msgb_put(msg, len);
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return msg;
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}
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static struct msgb *create_auep2()
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{
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struct msgb *msg;
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msg = msgb_alloc_headroom(4096, 128, "MGCP msg");
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int len = sprintf((char *)msg->data, "AUEP 18983213 ds/e1-1/1@172.16.6.66 MGCP 1.0\r\n");
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msg->l2h = msgb_put(msg, len);
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return msg;
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}
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static void test_auep(void)
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{
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struct msgb *inp;
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struct msgb *msg;
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struct mgcp_config *cfg = mgcp_config_alloc();
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cfg->number_endpoints = 64;
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mgcp_endpoints_allocate(cfg);
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inp = create_auep1();
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msg = mgcp_handle_message(cfg, inp);
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msgb_free(inp);
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if (strcmp((char *) msg->data, "200 158663169 OK\r\n") != 0)
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printf("Result1 failed '%s'\n", (char *) msg->data);
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/* Verify that the endpoint is fine */
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msgb_free(msg);
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inp = create_auep2();
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msg = mgcp_handle_message(cfg, inp);
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msgb_free(inp);
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/* Verify that the endpoint is not fine */
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if (strcmp((char *) msg->data, "500 18983213 FAIL\r\n") != 0)
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printf("Result2 failed '%s'\n", (char *) msg->data);
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msgb_free(msg);
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talloc_free(cfg);
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}
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int main(int argc, char **argv)
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{
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struct log_target *stderr_target;
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log_init(&log_info);
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stderr_target = log_target_create_stderr();
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log_add_target(stderr_target);
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log_set_all_filter(stderr_target, 1);
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test_auep();
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return 0;
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}
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