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/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
* (C) 2010 by On-Waves
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <errno.h>
#include <netinet/in.h>
#include <arpa/inet.h>
//#include <asn1/OBJECT_IDENTIFIER.h>
#include <osmocore/utils.h>
#include <osmocore/talloc.h>
#include "tcap_user.h"
static struct {
int mode_sender;
struct tcap_transport_entity *tte;
unsigned int begin_rcvd:1;
uint32_t dialg_id;
} test_state;
static int send_cont_end(uint32_t dialg_id, struct tcap_obj_ident *app_ctx, struct tcap_user_info *user_info,
int end)
{
struct tcap_prim_buf tcpb;
struct tcap_dialg_ind *tcdi = &tcpb.dialg;
memset(&tcpb, 0, sizeof(tcpb));
if (end)
tcpb.prim = TCAP_PR_TC_END;
else
tcpb.prim = TCAP_PR_TC_CONTINUE;
tcdi->dialg_id = dialg_id;
if (app_ctx) {
memcpy(&tcdi->app_ctx_name, app_ctx, sizeof(tcdi->app_ctx_name));
tcdi->app_ctx_present = 1;
}
if (user_info) {
memcpy(&tcdi->user_info, user_info, sizeof(tcdi->user_info));
tcdi->user_info_present = 1;
}
return tcap_user_req(&tcpb);
}
/* UpdateGprsLocationArg */
static struct tcap_obj_ident gprsLocationUpdateContext_v3 = {
.arc = { 0, 4, 0, 0, 1, 0, 32, 3 },
.num_arcs = 8,
};
static uint8_t gprs_loc_upd_param[] = {
0x30, 0x22, 0x04, 0x08, 0x15, 0x10, 0x60, 0x24, 0x06, 0x00, 0x85, 0xf8, 0x04, 0x07, 0x91, 0x26,
0x18, 0x01, 0x21, 0x07, 0xf1, 0x04, 0x05, 0x04, 0xdd, 0x84, 0xc1, 0x35, 0xa0, 0x06, 0x83, 0x00,
0x84, 0x02, 0x04, 0x20
};
static int send_comp_req(enum tcap_primitive prim, uint32_t dialg_id,
int8_t invoke_id, uint8_t *param, uint32_t param_len)
{
struct tcap_prim_buf tcpb;
struct tcap_component_ind *tcci = &tcpb.comp;
memset(&tcpb, 0, sizeof(tcpb));
tcpb.prim = prim;
tcci->dialg_id = dialg_id;
tcci->invoke_id = invoke_id;
tcci->linked_id = NULL;
tcci->operation.local = 23;
tcci->timeout_secs = 10;
tcci->op_class = 1;
if (param_len > sizeof(tcci->parameter.data))
return -EINVAL;
memcpy(&tcci->parameter.data, param, param_len);
tcci->parameter.data_len = param_len;
return tcap_user_req(&tcpb);
}
static int send_begin(uint32_t dialg_id, struct tcap_obj_ident *app_ctx)
{
struct tcap_prim_buf tcpb;
struct tcap_dialg_ind *tcdi = &tcpb.dialg;
memset(&tcpb, 0, sizeof(tcpb));
tcpb.prim = TCAP_PR_TC_BEGIN;
tcdi->dialg_id = dialg_id;
if (app_ctx) {
memcpy(&tcdi->app_ctx_name, app_ctx, sizeof(tcdi->app_ctx_name));
tcdi->app_ctx_present = 1;
}
tcdi->transp_ent = test_state.tte;
return tcap_user_req(&tcpb);
}
static int tcap_user_ind_dialg(enum tcap_primitive prim, struct tcap_dialg_ind *tcdi)
{
printf("-> USER_IND_DIALG(%s): ", tcap_prim_name(prim));
switch (prim) {
case TCAP_PR_TC_BEGIN:
test_state.begin_rcvd = 1;
test_state.dialg_id = tcdi->dialg_id;
printf("dialg_id=0x%08x ", tcdi->dialg_id);
break;
default:
break;
}
printf("\n");
return 0;
}
static int tcap_user_ind_comp(enum tcap_primitive prim, struct tcap_component_ind *tcci)
{
printf("-> USER_IND_COMP(%s)\n", tcap_prim_name(prim));
if (!test_state.begin_rcvd)
return -1;
switch (prim) {
case TCAP_PR_TC_INVOKE:
/* actually process the invoke */
send_comp_req(TCAP_PR_TC_RESULT_L, test_state.dialg_id, tcci->invoke_id, NULL, 0);
if (tcci->last_component)
send_cont_end(test_state.dialg_id, &gprsLocationUpdateContext_v3, NULL, 1);
break;
default:
break;
}
return 0;
}
int tcap_user_ind_cb(struct tcap_prim_buf *tcpb)
{
int rc;
if (tcpb->prim > _TCAP_PR_COMP_BASE)
rc = tcap_user_ind_comp(tcpb->prim, &tcpb->comp);
else
rc = tcap_user_ind_dialg(tcpb->prim, &tcpb->dialg);
talloc_free(tcpb);
}
static void signal_handler(int signal)
{
switch (signal) {
case SIGINT:
talloc_report_full(NULL, stderr);
exit(0);
break;
case SIGSEGV:
case SIGABRT:
talloc_report_full(NULL, stderr);
break;
default:
break;
}
}
int main(int argc, char **argv)
{
struct sockaddr_storage ss;
struct sockaddr_in *sin = (struct sockaddr_in *)&ss;
if (argc > 1)
test_state.mode_sender = 1;
talloc_enable_leak_report_full();
signal(SIGINT, &signal_handler);
//signal(SIGSEGV, &signal_handler);
//signal(SIGABRT, &signal_handler);
ss.ss_family = AF_INET;
sin->sin_addr.s_addr = INADDR_ANY;
if (test_state.mode_sender)
sin->sin_port = htons(4242);
else
sin->sin_port = htons(4243);
test_state.tte = tcap_transp_udp_create(&ss);
if (!test_state.tte) {
fprintf(stderr, "Cannot create UDP socket\n");
exit(1);
}
/* make sure we sent messages to ourselves */
inet_aton("127.0.0.1", &sin->sin_addr);
if (!test_state.mode_sender)
sin->sin_port = htons(4242);
else
sin->sin_port = htons(4243);
memcpy(&test_state.tte->remote_addr, &ss, sizeof(test_state.tte->remote_addr));
if (test_state.mode_sender) {
/* sender mode, send primitives */
send_comp_req(TCAP_PR_TC_INVOKE, 0x1234, 0, gprs_loc_upd_param, sizeof(gprs_loc_upd_param));
send_comp_req(TCAP_PR_TC_INVOKE, 0x1234, 1, NULL, 0);
send_comp_req(TCAP_PR_TC_INVOKE, 0x1234, -1, NULL, 0);
send_begin(0x1234, &gprsLocationUpdateContext_v3);
}
while (1) {
bsc_select_main(0);
}
}
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