summaryrefslogtreecommitdiffstats
path: root/src/tcap_test.c
blob: 86a8d96231ae7bc0b066af892eb8130ec7a08946 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
/* (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_dialg_ind tcdi;
	enum tcap_primitive prim;

	if (end)
		prim = TCAP_PR_TC_END;
	else
		prim = TCAP_PR_TC_CONTINUE;

	memset(&tcdi, 0, sizeof(tcdi));
	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_dialg(prim, &tcdi);
}

/* 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, 0x1d, 0x04, 0x0f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x31, 0x32,
	0x33, 0x34, 0x35, 0x04, 0x01, 0x31, 0x04, 0x07, 0x31, 0x2e, 0x32, 0x2e, 0x33, 0x2e, 0x34
};

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_component_ind tcci;

	memset(&tcci, 0, sizeof(tcci));
	tcci.dialg_id = dialg_id;
	tcci.invoke_id = invoke_id;
	tcci.linked_id = NULL;
	tcci.operation.local = 1;
	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_comp(prim, &tcci);
}

static int send_begin(uint32_t dialg_id, struct tcap_obj_ident *app_ctx)
{
	struct tcap_dialg_ind tcdi;

	memset(&tcdi, 0, sizeof(tcdi));
	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_dialg(TCAP_PR_TC_BEGIN, &tcdi);
}

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");

	talloc_free(tcdi);

	return 0;
}

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) {
		talloc_free(tcci);
		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;
	}

	talloc_free(tcci);

	return 0;
}

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);
	}
}