summaryrefslogtreecommitdiff
path: root/src/gsmd/unsolicited.c
blob: 2c7fddf76614b4d04cf371d6005fbdf0a5d409cd (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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>

#include <gsmd/usock.h>
#include <gsmd/event.h>
#include <gsmd/ts0707.h>

#include "gsmd.h"
#include "usock.h"

static struct gsmd_ucmd *build_event(u_int8_t type, u_int8_t subtype, u_int8_t len)
{
	struct gsmd_ucmd *ucmd = malloc(sizeof(*ucmd)+len);

	if (!ucmd)
		return NULL;

	ucmd->hdr.version = GSMD_PROTO_VERSION;
	ucmd->hdr.msg_type = type;
	ucmd->hdr.msg_subtype = subtype;
	ucmd->hdr.len = len;

	return ucmd;
}

static struct gsmd_ucmd *ucmd_copy(const struct gsmd_ucmd *orig)
{
	int size = sizeof(*orig) + orig->hdr.len;
	struct gsmd_ucmd *copy = malloc(size);

	if (copy)
		memcpy(copy, orig, size);

	return copy;
}

static int usock_evt_send(struct gsmd *gsmd, struct gsmd_ucmd *ucmd, u_int32_t evt)
{
	struct gsmd_user *gu;
	int num_sent = 0;

	llist_for_each_entry(gu, &gsmd->users, list) {
		if (gu->subscriptions & (1 << evt)) {
			struct gsmd_ucmd *cpy = ucmd_copy(ucmd);
			llist_add_tail(&ucmd->list, &gu->finished_ucmds);
			num_sent++;
			ucmd = cpy;
			if (!ucmd) {
				fprintf(stderr, "can't allocate memory for copy of ucmd\n");
				return num_sent;
			}
		}
	}

	return num_sent;
}

static int ring_parse(const char *buf, int len, const char *param,
		      struct gsmd *gsmd)
{
	/* FIXME: generate ring event */
	struct gsmd_ucmd *ucmd = build_event(GSMD_MSG_EVENT, GSMD_EVT_IN_CALL,
					     sizeof(struct gsmd_evt_auxdata));	
	struct gsmd_evt_auxdata *aux;
	if (!ucmd)
		return -ENOMEM;

	aux = (struct gsmd_evt_auxdata *)ucmd->buf;

	aux->u.call.type = GSMD_CALL_UNSPEC;

	return usock_evt_send(gsmd, ucmd, GSMD_EVT_IN_CALL);
}

static int cring_parse(const char *buf, int len, const char *param, struct gsmd *gsmd)
{
	struct gsmd_ucmd *ucmd = build_event(GSMD_MSG_EVENT, GSMD_EVT_IN_CALL,
					     sizeof(struct gsmd_evt_auxdata));
	struct gsmd_evt_auxdata *aux;
	if (!ucmd)
		return -ENOMEM;

	aux = (struct gsmd_evt_auxdata *) ucmd->buf;

	if (!strcmp(param, "VOICE")) {
		/* incoming voice call */
		aux->u.call.type = GSMD_CALL_VOICE;
	} else if (!strcmp(param, "SYNC")) {
		aux->u.call.type = GSMD_CALL_DATA_SYNC;
	} else if (!strcmp(param, "REL ASYNC")) {
		aux->u.call.type = GSMD_CALL_DATA_REL_ASYNC;
	} else if (!strcmp(param, "REL SYNC")) {
		aux->u.call.type = GSMD_CALL_DATA_REL_SYNC;
	} else if (!strcmp(param, "FAX")) {
		aux->u.call.type = GSMD_CALL_FAX;
	} else if (!strncmp(param, "GPRS ", 5)) {
		/* FIXME: change event type to GPRS */
		free(ucmd);
		return 0;
	}
	/* FIXME: parse all the ALT* profiles, Chapter 6.11 */

	return usock_evt_send(gsmd, ucmd, GSMD_EVT_IN_CALL);
}

/* Chapter 7.2, network registration */
static int creg_parse(const char *buf, int len, const char *param,
		      struct gsmd *gsmd)
{
	const char *comma = strchr(param, ',');
	struct gsmd_ucmd *ucmd = build_event(GSMD_MSG_EVENT, GSMD_EVT_NETREG,
					     sizeof(struct gsmd_evt_auxdata));
	struct gsmd_evt_auxdata *aux;
	if (!ucmd)
		return -ENOMEM;
	aux = (struct gsmd_evt_auxdata *) ucmd->buf;

	aux->u.netreg.state = atoi(param);
	if (comma) {
		/* FIXME: we also have location area code and cell id to parse (hex) */
	}

	return usock_evt_send(gsmd, ucmd, GSMD_EVT_NETREG);
}

/* Chapter 7.11, call waiting */
static int ccwa_parse(const char *buf, int len, const char *param,
		      struct gsmd *gsmd)
{
	const char *number;
	u_int8_t type, class;

	/* FIXME: parse */
	return 0;
}

/* Chapter 7.14, unstructured supplementary service data */
static int cusd_parse(const char *buf, int len, const char *param,
		      struct gsmd *gsmd)
{
	/* FIXME: parse */
	return 0;
}

/* Chapter 7.15, advise of charge */
static int cccm_parse(const char *buf, int len, const char *param,
		      struct gsmd *gsmd)
{
	/* FIXME: parse */
	return 0;
}

/* Chapter 10.1.13, GPRS event reporting */
static int cgev_parse(const char *buf, int len, const char *param,
		      struct gsmd *gsmd)
{
	/* FIXME: parse */
	return 0;
}

/* Chapter 10.1.14, GPRS network registration status */
static int cgreg_parse(const char *buf, int len, const char *param,
		       struct gsmd *gsmd)
{
	/* FIXME: parse */
	return 0;
}

/* Chapter 7.6, calling line identification presentation */
static int clip_parse(const char *buf, int len, const char *param,
		      struct gsmd *gsmd)
{
	struct gsmd_ucmd *ucmd = build_event(GSMD_MSG_EVENT, GSMD_EVT_IN_CLIP,
					     sizeof(struct gsmd_evt_auxdata));
	struct gsmd_evt_auxdata *aux;
	const char *comma = strchr(param, ',');

	if (!ucmd)
		return -ENOMEM;
	
	aux = (struct gsmd_evt_auxdata *) ucmd->buf;

	if (!comma)
		return -EINVAL;
	
	if (comma - param > GSMD_ADDR_MAXLEN)
		return -EINVAL;

	memcpy(aux->u.clip.addr.number, param, comma-param);
	/* FIXME: parse of subaddr, etc. */

	return usock_evt_send(gsmd, ucmd, GSMD_EVT_IN_CLIP);
}

/* Chapter 7.9, calling line identification presentation */
static int colp_parse(const char *buf, int len, const char *param,
		      struct gsmd *gsmd)
{
	struct gsmd_ucmd *ucmd = build_event(GSMD_MSG_EVENT, GSMD_EVT_OUT_COLP,
					     sizeof(struct gsmd_evt_auxdata));
	struct gsmd_evt_auxdata *aux;
	const char *comma = strchr(param, ',');

	if (!ucmd)
		return -ENOMEM;
	
	aux = (struct gsmd_evt_auxdata *) ucmd->buf;

	if (!comma)
		return -EINVAL;
	
	if (comma - param > GSMD_ADDR_MAXLEN)
		return -EINVAL;

	memcpy(aux->u.colp.addr.number, param, comma-param);
	/* FIXME: parse of subaddr, etc. */

	return usock_evt_send(gsmd, ucmd, GSMD_EVT_OUT_COLP);
}

struct gsmd_unsolicit {
	const char *prefix;
	int (*parse)(const char *unsol, int len, const char *param, struct gsmd *gsmd);
};

static const struct gsmd_unsolicit gsm0707_unsolicit[] = {
	{ "RING",	&ring_parse },
	{ "+CRING", 	&cring_parse },
	{ "+CREG",	&creg_parse },
	{ "+CCWA",	&ccwa_parse },
	{ "+CUSD",	&cusd_parse },
	{ "+CCCM",	&cccm_parse },
	{ "+CGEV",	&cgev_parse },
	{ "+CGREG",	&cgreg_parse },
	{ "+CLIP",	&clip_parse },
	{ "+COLP",	&colp_parse },
	/*
	{ "+CKEV",	&ckev_parse },
	{ "+CDEV",	&cdev_parse },
	{ "+CIEV",	&ciev_parse },
	{ "+CLAV",	&clav_parse },
	{ "+CCWV",	&ccwv_parse },
	{ "+CLAV",	&clav_parse },
	{ "+CSSU",	&cssu_parse },
	*/
};

/* called by midlevel parser if a response seems unsolicited */
int unsolicited_parse(struct gsmd *g, const char *buf, int len, const char *param)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(gsm0707_unsolicit); i++) {
		const char *colon;
		if (strncmp(buf, gsm0707_unsolicit[i].prefix,
			     strlen(gsm0707_unsolicit[i].prefix)))
			continue;
		
		colon = strchr(buf, ':') + 1;
		if (colon > buf+len)
			colon = NULL;

		return gsm0707_unsolicit[i].parse(buf, len, colon, g);
	}

	/* FIXME: call vendor-specific unsolicited code parser */
	return -EINVAL;
}

static unsigned int errors_creating_events[] = {
	GSM0707_CME_PHONE_FAILURE,
	GSM0707_CME_PHONE_NOCONNECT,
	GSM0707_CME_PHONE_ADAPT_RESERVED,
	GSM0707_CME_PH_SIM_PIN_REQUIRED,
	GSM0707_CME_PH_FSIM_PIN_REQUIRED,
	GSM0707_CME_PH_FSIM_PUK_REQUIRED,
	GSM0707_CME_SIM_NOT_INSERTED,
	GSM0707_CME_SIM_PIN_REQUIRED,
	GSM0707_CME_SIM_PUK_REQUIRED,
	GSM0707_CME_SIM_FAILURE,
	GSM0707_CME_SIM_BUSY,
	GSM0707_CME_SIM_WRONG,
	GSM0707_CME_SIM_PIN2_REQUIRED,
	GSM0707_CME_SIM_PUK2_REQUIRED,
	GSM0707_CME_MEMORY_FULL,
	GSM0707_CME_MEMORY_FAILURE,
	GSM0707_CME_NETPERS_PIN_REQUIRED,
	GSM0707_CME_NETPERS_PUK_REQUIRED,
	GSM0707_CME_NETSUBSET_PIN_REQUIRED,
	GSM0707_CME_NETSUBSET_PUK_REQUIRED,
	GSM0707_CME_PROVIDER_PIN_REQUIRED,
	GSM0707_CME_PROVIDER_PUK_REQUIRED,
	GSM0707_CME_CORPORATE_PIN_REQUIRED,
	GSM0707_CME_CORPORATE_PUK_REQUIRED,
};

static int is_in_array(unsigned int val, unsigned int *arr, unsigned int arr_len)
{
	unsigned int i;

	for (i = 0; i < arr_len; i++) {
		if (arr[i] == val)
			return 1;
	}

	return 0;
}


int generate_event_from_cme(struct gsmd *g, unsigned int cme_error)
{
	struct gsmd_ucmd *gu;
	struct gsmd_evt_auxdata *eaux;
	if (!is_in_array(cme_error, errors_creating_events,
			 ARRAY_SIZE(errors_creating_events)))
		return 0;
	
	gu = build_event(GSMD_MSG_EVENT, GSMD_EVT_PIN, sizeof(*eaux));
	if (!gu)
		return -1;
	eaux = ((void *)gu) + sizeof(*gu);

	switch (cme_error) {
	case GSM0707_CME_PH_SIM_PIN_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_SIM_PIN;
		break;
	case GSM0707_CME_PH_FSIM_PIN_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_FSIM_PIN;
		break;
	case GSM0707_CME_PH_FSIM_PUK_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_FSIM_PUK;
		break;
	case GSM0707_CME_SIM_PIN_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_SIM_PIN;
		break;
	case GSM0707_CME_SIM_PUK_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_SIM_PUK;
		break;
	case GSM0707_CME_SIM_PIN2_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_SIM_PIN2;
		break;
	case GSM0707_CME_SIM_PUK2_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_SIM_PUK2;
		break;
	case GSM0707_CME_NETPERS_PIN_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_NET_PIN;
		break;
	case GSM0707_CME_NETPERS_PUK_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_NET_PUK;
		break;
	case GSM0707_CME_NETSUBSET_PIN_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_NETSUB_PIN;
		break;
	case GSM0707_CME_NETSUBSET_PUK_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_NETSUB_PUK;
		break;
	case GSM0707_CME_PROVIDER_PIN_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_SP_PIN;
		break;
	case GSM0707_CME_PROVIDER_PUK_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_SP_PUK;
		break;
	case GSM0707_CME_CORPORATE_PIN_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_CORP_PIN;
		break;
	case GSM0707_CME_CORPORATE_PUK_REQUIRED:
		eaux->u.pin.type = GSMD_PIN_PH_CORP_PUK;
		break;

	case GSM0707_CME_SIM_FAILURE:
	case GSM0707_CME_SIM_BUSY:
	case GSM0707_CME_SIM_WRONG:
	case GSM0707_CME_MEMORY_FULL:
	case GSM0707_CME_MEMORY_FAILURE:
	case GSM0707_CME_PHONE_FAILURE:
	case GSM0707_CME_PHONE_NOCONNECT:
	case GSM0707_CME_PHONE_ADAPT_RESERVED:
	case GSM0707_CME_SIM_NOT_INSERTED:
		/* FIXME */
		return 0;
		break;
	default:
		return 0;
		break;
	}
	return usock_evt_send(g, gu, GSMD_EVT_PIN);
}
personal git repositories of Harald Welte. Your mileage may vary