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[oweals/umbim.git] / cli.c
1 /*
2  * umbim
3  * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  */
14
15 #define __STDC_FORMAT_MACROS
16 #include <inttypes.h>
17
18 #include <sys/types.h>
19 #include <sys/stat.h>
20
21 #include <alloca.h>
22 #include <fcntl.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <unistd.h>
27 #include <ctype.h>
28
29 #include <libubox/utils.h>
30 #include <libubox/uloop.h>
31
32 #include "mbim.h"
33
34 #include "data/mbim-service-basic-connect.h"
35
36 int return_code = -1;
37 int verbose;
38
39 struct mbim_handler *current_handler;
40 static uint8_t uuid_context_type_internet[16] = { 0x7E, 0x5E, 0x2A, 0x7E, 0x4E, 0x6F, 0x72, 0x72, 0x73, 0x6B, 0x65, 0x6E, 0x7E, 0x5E, 0x2A, 0x7E };
41 static int _argc;
42 static char **_argv;
43
44 static int
45 mbim_device_caps_response(void *buffer, int len)
46 {
47         struct mbim_basic_connect_device_caps_r *caps = (struct mbim_basic_connect_device_caps_r *) buffer;
48         char *deviceid, *firmwareinfo, *hardwareinfo;
49
50         if (len < sizeof(struct mbim_basic_connect_device_caps_r)) {
51                 fprintf(stderr, "message not long enough\n");
52                 return -1;
53         }
54
55         deviceid = mbim_get_string(&caps->deviceid, buffer);
56         firmwareinfo = mbim_get_string(&caps->firmwareinfo, buffer);
57         hardwareinfo = mbim_get_string(&caps->hardwareinfo, buffer);
58
59         printf("  devicetype: %04X - %s\n", le32toh(caps->devicetype),
60                 mbim_enum_string(mbim_device_type_values, le32toh(caps->devicetype)));
61         printf("  cellularclass: %04X\n", le32toh(caps->cellularclass));
62         printf("  voiceclass: %04X - %s\n", le32toh(caps->voiceclass),
63                 mbim_enum_string(mbim_voice_class_values, le32toh(caps->voiceclass)));
64         printf("  simclass: %04X\n", le32toh(caps->simclass));
65         printf("  dataclass: %04X\n", le32toh(caps->dataclass));
66         printf("  smscaps: %04X\n", le32toh(caps->smscaps));
67         printf("  controlcaps: %04X\n", le32toh(caps->controlcaps));
68         printf("  maxsessions: %04X\n", le32toh(caps->maxsessions));
69         printf("  deviceid: %s\n", deviceid);
70         printf("  firmwareinfo: %s\n", firmwareinfo);
71         printf("  hardwareinfo: %s\n", hardwareinfo);
72
73         return 0;
74 }
75
76 static int
77 mbim_pin_state_response(void *buffer, int len)
78 {
79         struct mbim_basic_connect_pin_r *pin = (struct mbim_basic_connect_pin_r *) buffer;
80
81         if (len < sizeof(struct mbim_basic_connect_pin_r)) {
82                 fprintf(stderr, "message not long enough\n");
83                 return -1;
84         }
85
86         if (le32toh(pin->pinstate) != MBIM_PIN_STATE_UNLOCKED) {
87                 fprintf(stderr, "required pin: %d - %s\n",
88                         le32toh(pin->pintype), mbim_enum_string(mbim_pin_type_values, le32toh(pin->pintype)));
89                 fprintf(stderr, "remaining attempts: %d\n", le32toh(pin->remainingattempts));
90                 return le32toh(pin->pintype);
91         }
92
93         fprintf(stderr, "Pin Unlocked\n");
94
95         return 0;
96 }
97
98 static int
99 mbim_registration_response(void *buffer, int len)
100 {
101         struct mbim_basic_connect_register_state_r *state = (struct mbim_basic_connect_register_state_r *) buffer;
102         char *provider_id, *provider_name, *roamingtext;
103
104         if (len < sizeof(struct mbim_basic_connect_register_state_r)) {
105                 fprintf(stderr, "message not long enough\n");
106                 return -1;
107         }
108
109         provider_id = mbim_get_string(&state->providerid, buffer);
110         provider_name = mbim_get_string(&state->providername, buffer);
111         roamingtext = mbim_get_string(&state->roamingtext, buffer);
112
113         printf("  nwerror: %04X - %s\n", le32toh(state->nwerror),
114                 mbim_enum_string(mbim_nw_error_values, le32toh(state->nwerror)));
115         printf("  registerstate: %04X - %s\n", le32toh(state->registerstate),
116                 mbim_enum_string(mbim_register_state_values, le32toh(state->registerstate)));
117         printf("  registermode: %04X - %s\n", le32toh(state->registermode),
118                 mbim_enum_string(mbim_register_mode_values, le32toh(state->registermode)));
119         printf("  availabledataclasses: %04X - %s\n", le32toh(state->availabledataclasses),
120                 mbim_enum_string(mbim_data_class_values, le32toh(state->availabledataclasses)));
121         printf("  currentcellularclass: %04X - %s\n", le32toh(state->currentcellularclass),
122                 mbim_enum_string(mbim_cellular_class_values, le32toh(state->currentcellularclass)));
123         printf("  provider_id: %s\n", provider_id);
124         printf("  provider_name: %s\n", provider_name);
125         printf("  roamingtext: %s\n", roamingtext);
126
127         if (le32toh(state->registerstate) == MBIM_REGISTER_STATE_HOME)
128                 return 0;
129
130         return le32toh(state->registerstate);
131 }
132
133 static int
134 mbim_subscriber_response(void *buffer, int len)
135 {
136         struct mbim_basic_connect_subscriber_ready_status_r *state = (struct mbim_basic_connect_subscriber_ready_status_r *) buffer;
137         char *subscriberid, *simiccid;
138         int nr;
139
140         if (len < sizeof(struct mbim_basic_connect_subscriber_ready_status_r)) {
141                 fprintf(stderr, "message not long enough\n");
142                 return -1;
143         }
144
145         subscriberid = mbim_get_string(&state->subscriberid, buffer);
146         simiccid = mbim_get_string(&state->simiccid, buffer);
147
148         printf("  readystate: %04X - %s\n", le32toh(state->readystate),
149                 mbim_enum_string(mbim_subscriber_ready_state_values, le32toh(state->readystate)));
150         printf("  simiccid: %s\n", simiccid);
151         printf("  subscriberid: %s\n", subscriberid);
152         if (le32toh(state->readyinfo) & MBIM_READY_INFO_FLAG_PROTECT_UNIQUE_ID)
153                 printf("  dont display subscriberID: 1\n");
154         for (nr = 0; nr < le32toh(state->telephonenumberscount); nr++) {
155                 struct mbim_string *str = (void *)&state->telephonenumbers + (nr * sizeof(struct mbim_string));
156                 char *number = mbim_get_string(str, buffer);
157                 printf("  number: %s\n", number);
158         }
159
160         if (MBIM_SUBSCRIBER_READY_STATE_INITIALIZED == le32toh(state->readystate))
161                 return 0;
162
163         return le32toh(state->readystate);
164 }
165
166 static int
167 mbim_attach_response(void *buffer, int len)
168 {
169         struct mbim_basic_connect_packet_service_r *ps = (struct mbim_basic_connect_packet_service_r *) buffer;
170
171         if (len < sizeof(struct mbim_basic_connect_packet_service_r)) {
172                 fprintf(stderr, "message not long enough\n");
173                 return -1;
174         }
175
176         printf("  nwerror: %04X - %s\n", le32toh(ps->nwerror),
177                 mbim_enum_string(mbim_nw_error_values, le32toh(ps->nwerror)));
178         printf("  packetservicestate: %04X - %s\n", le32toh(ps->packetservicestate),
179                 mbim_enum_string(mbim_packet_service_state_values, le32toh(ps->packetservicestate)));
180         printf("  uplinkspeed: %"PRIu64"\n", (uint64_t) le64toh(ps->uplinkspeed));
181         printf("  downlinkspeed: %"PRIu64"\n", (uint64_t) le64toh(ps->downlinkspeed));
182
183         if (MBIM_PACKET_SERVICE_STATE_ATTACHED == le32toh(ps->packetservicestate))
184                 return 0;
185
186         return le32toh(ps->packetservicestate);
187 }
188
189 static int
190 mbim_connect_response(void *buffer, int len)
191 {
192         struct mbim_basic_connect_connect_r *c = (struct mbim_basic_connect_connect_r *) buffer;
193
194         if (len < sizeof(struct mbim_basic_connect_connect_r)) {
195                 fprintf(stderr, "message not long enough\n");
196                 return -1;
197         }
198
199         printf("  sessionid: %d\n", le32toh(c->sessionid));
200         printf("  activationstate: %04X - %s\n", le32toh(c->activationstate),
201                 mbim_enum_string(mbim_activation_state_values, le32toh(c->activationstate)));
202         printf("  voicecallstate: %04X - %s\n", le32toh(c->voicecallstate),
203                 mbim_enum_string(mbim_voice_call_state_values, le32toh(c->voicecallstate)));
204         printf("  nwerror: %04X - %s\n", le32toh(c->nwerror),
205                 mbim_enum_string(mbim_nw_error_values, le32toh(c->nwerror)));
206         printf("  iptype: %04X - %s\n", le32toh(c->iptype),
207                 mbim_enum_string(mbim_context_ip_type_values, le32toh(c->iptype)));
208
209         if (MBIM_ACTIVATION_STATE_ACTIVATED == le32toh(c->activationstate))
210                 return 0;
211
212         return le32toh(c->activationstate);
213 }
214
215 static int
216 mbim_config_response(void *buffer, int len)
217 {
218         struct mbim_basic_connect_ip_configuration_r *ip = (struct mbim_basic_connect_ip_configuration_r *) buffer;
219         char out[40];
220         int i;
221         uint32_t offset;
222
223         if (len < sizeof(struct mbim_basic_connect_ip_configuration_r)) {
224                 fprintf(stderr, "message not long enough\n");
225                 return -1;
226         }
227
228         if (le32toh(ip->ipv4configurationavailable) & MBIM_IP_CONFIGURATION_AVAILABLE_FLAG_ADDRESS)
229                 for (i = 0; i < le32toh(ip->ipv4addresscount); i++) {
230                         offset = le32toh(ip->ipv4address) + (i * 4);
231                         mbim_get_ipv4(buffer, out, 4 + offset);
232                         printf("  ipv4address: %s/%d\n", out, mbim_get_int(buffer, offset));
233                 }
234         if (le32toh(ip->ipv4configurationavailable) & MBIM_IP_CONFIGURATION_AVAILABLE_FLAG_DNS) {
235                 mbim_get_ipv4(buffer, out, le32toh(ip->ipv4gateway));
236                 printf("  ipv4gateway: %s\n", out);
237         }
238         if (le32toh(ip->ipv4configurationavailable) & MBIM_IP_CONFIGURATION_AVAILABLE_FLAG_MTU)
239                 printf("  ipv4mtu: %d\n", le32toh(ip->ipv4mtu));
240         if (le32toh(ip->ipv4configurationavailable) & MBIM_IP_CONFIGURATION_AVAILABLE_FLAG_DNS)
241                 for (i = 0; i < le32toh(ip->ipv4dnsservercount); i++) {
242                         mbim_get_ipv4(buffer, out, le32toh(ip->ipv4dnsserver) + (i * 4));
243                         printf("  ipv4dnsserver: %s\n", out);
244                 }
245
246         if (le32toh(ip->ipv6configurationavailable) & MBIM_IP_CONFIGURATION_AVAILABLE_FLAG_ADDRESS)
247                 for (i = 0; i < le32toh(ip->ipv6addresscount); i++) {
248                         offset = le32toh(ip->ipv6address) + (i * 16);
249                         mbim_get_ipv6(buffer, out, 4 + offset);
250                         printf("  ipv6address: %s/%d\n", out, mbim_get_int(buffer, offset));
251                 }
252         if (le32toh(ip->ipv6configurationavailable) & MBIM_IP_CONFIGURATION_AVAILABLE_FLAG_DNS) {
253                 mbim_get_ipv6(buffer, out, le32toh(ip->ipv6gateway));
254                 printf("  ipv6gateway: %s\n", out);
255         }
256         if (le32toh(ip->ipv6configurationavailable) & MBIM_IP_CONFIGURATION_AVAILABLE_FLAG_MTU)
257                 printf("  ipv6mtu: %d\n", le32toh(ip->ipv6mtu));
258         if (le32toh(ip->ipv6configurationavailable) & MBIM_IP_CONFIGURATION_AVAILABLE_FLAG_DNS)
259                 for (i = 0; i < le32toh(ip->ipv6dnsservercount); i++) {
260                         mbim_get_ipv6(buffer, out, le32toh(ip->ipv6dnsserver) + (i * 16));
261                         printf("  ipv6dnsserver: %s\n", out);
262                 }
263
264         return 0;
265 }
266
267 static int
268 mbim_radio_response(void *buffer, int len)
269 {
270         struct mbim_basic_connect_radio_state_r *r = (struct mbim_basic_connect_radio_state_r *) buffer;
271
272         if (len < sizeof(struct mbim_basic_connect_radio_state_r)) {
273                 fprintf(stderr, "message not long enough\n");
274                 return -1;
275         }
276         printf("  hwradiostate: %s\n", r->hwradiostate ? "on" : "off");
277         printf("  swradiostate: %s\n", r->swradiostate ? "on" : "off");
278         return 0;
279 }
280
281 static int
282 mbim_device_caps_request(void)
283 {
284         mbim_setup_command_msg(basic_connect, MBIM_MESSAGE_COMMAND_TYPE_QUERY, MBIM_CMD_BASIC_CONNECT_DEVICE_CAPS, 0);
285
286         return mbim_send_command_msg();
287 }
288
289 static int
290 mbim_pin_state_request(void)
291 {
292         mbim_setup_command_msg(basic_connect, MBIM_MESSAGE_COMMAND_TYPE_QUERY, MBIM_CMD_BASIC_CONNECT_PIN, 0);
293
294         return mbim_send_command_msg();
295 }
296
297 static int
298 mbim_registration_request(void)
299 {
300         if (_argc > 0) {
301                 struct mbim_basic_connect_register_state_s *rs =
302                         (struct mbim_basic_connect_register_state_s *) mbim_setup_command_msg(basic_connect,
303                                         MBIM_MESSAGE_COMMAND_TYPE_SET, MBIM_CMD_BASIC_CONNECT_REGISTER_STATE,
304                                         sizeof(struct mbim_basic_connect_register_state_s));
305
306                 rs->registeraction = htole32(MBIM_REGISTER_ACTION_AUTOMATIC);
307         } else {
308                 mbim_setup_command_msg(basic_connect, MBIM_MESSAGE_COMMAND_TYPE_QUERY, MBIM_CMD_BASIC_CONNECT_REGISTER_STATE, 0);
309         }
310
311         return mbim_send_command_msg();
312 }
313
314 static int
315 mbim_subscriber_request(void)
316 {
317         mbim_setup_command_msg(basic_connect, MBIM_MESSAGE_COMMAND_TYPE_QUERY, MBIM_CMD_BASIC_CONNECT_SUBSCRIBER_READY_STATUS, 0);
318
319         return mbim_send_command_msg();
320 }
321
322 static int
323 _mbim_attach_request(int action)
324 {
325         struct mbim_basic_connect_packet_service_s *ps =
326                 (struct mbim_basic_connect_packet_service_s *) mbim_setup_command_msg(basic_connect,
327                         MBIM_MESSAGE_COMMAND_TYPE_SET, MBIM_CMD_BASIC_CONNECT_PACKET_SERVICE,
328                         sizeof(struct mbim_basic_connect_packet_service_s));
329
330         ps->packetserviceaction = htole32(action);
331
332         return mbim_send_command_msg();
333 }
334
335 static int
336 mbim_attach_request(void)
337 {
338         return _mbim_attach_request(MBIM_PACKET_SERVICE_ACTION_ATTACH);
339 }
340
341 static int
342 mbim_detach_request(void)
343 {
344         return _mbim_attach_request(MBIM_PACKET_SERVICE_ACTION_DETACH);
345 }
346
347 static int
348 mbim_connect_request(void)
349 {
350         char *apn;
351         struct mbim_basic_connect_connect_s *c =
352                 (struct mbim_basic_connect_connect_s *) mbim_setup_command_msg(basic_connect,
353                         MBIM_MESSAGE_COMMAND_TYPE_SET, MBIM_CMD_BASIC_CONNECT_CONNECT,
354                         sizeof(struct mbim_basic_connect_connect_s));
355
356         c->activationcommand = htole32(MBIM_ACTIVATION_COMMAND_ACTIVATE);
357         c->iptype = htole32(MBIM_CONTEXT_IP_TYPE_DEFAULT);
358         memcpy(c->contexttype, uuid_context_type_internet, 16);
359         if (_argc > 0) {
360                 apn = index(*_argv, ':');
361                 if (!apn) {
362                         apn = *_argv;
363                 } else {
364                         apn[0] = 0;
365                         apn++;
366                         if (!strcmp(*_argv, "ipv4"))
367                                 c->iptype = htole32(MBIM_CONTEXT_IP_TYPE_IPV4);
368                         else if (!strcmp(*_argv, "ipv6"))
369                                 c->iptype = htole32(MBIM_CONTEXT_IP_TYPE_IPV6);
370                         else if (!strcmp(*_argv, "ipv4v6"))
371                                 c->iptype = htole32(MBIM_CONTEXT_IP_TYPE_IPV4V6);
372                 }
373                 mbim_encode_string(&c->accessstring, apn);
374         }
375         if (_argc > 3) {
376                 if (!strcmp(_argv[1], "pap"))
377                         c->authprotocol = htole32(MBIM_AUTH_PROTOCOL_PAP);
378                 else if (!strcmp(_argv[1], "chap"))
379                         c->authprotocol = htole32(MBIM_AUTH_PROTOCOL_CHAP);
380                 else if (!strcmp(_argv[1], "mschapv2"))
381                         c->authprotocol = htole32(MBIM_AUTH_PROTOCOL_MSCHAPV2);
382
383                 if (c->authprotocol) {
384                         mbim_encode_string(&c->username, _argv[2]);
385                         mbim_encode_string(&c->password, _argv[3]);
386                 }
387         }
388         return mbim_send_command_msg();
389 }
390
391 static int
392 mbim_disconnect_request(void)
393 {
394         struct mbim_basic_connect_connect_s *c =
395                 (struct mbim_basic_connect_connect_s *) mbim_setup_command_msg(basic_connect,
396                         MBIM_MESSAGE_COMMAND_TYPE_SET, MBIM_CMD_BASIC_CONNECT_CONNECT,
397                         sizeof(struct mbim_basic_connect_connect_s));
398
399         c->activationcommand = htole32(MBIM_ACTIVATION_COMMAND_DEACTIVATE);
400         memcpy(c->contexttype, uuid_context_type_internet, 16);
401
402         no_close = 0;
403
404         return mbim_send_command_msg();
405 }
406
407 static char*
408 mbim_pin_sanitize(char *pin)
409 {
410         char *p;
411
412         while (*pin && !isdigit(*pin))
413                 pin++;
414         p = pin;
415         if (!*p)
416                 return NULL;
417         while (*pin && isdigit(*pin))
418                 pin++;
419         if (*pin)
420                 *pin = '\0';
421
422         return p;
423 }
424
425 static int
426 mbim_pin_unlock_request(void)
427 {
428         struct mbim_basic_connect_pin_s *p =
429                 (struct mbim_basic_connect_pin_s *) mbim_setup_command_msg(basic_connect,
430                         MBIM_MESSAGE_COMMAND_TYPE_SET, MBIM_CMD_BASIC_CONNECT_PIN,
431                         sizeof(struct mbim_basic_connect_pin_s));
432         char *pin = mbim_pin_sanitize(_argv[0]);
433
434         if (!pin || !strlen(pin)) {
435                 fprintf(stderr, "failed to sanitize the pincode\n");
436                 return -1;
437         }
438
439         p->pintype = htole32(MBIM_PIN_TYPE_PIN1);
440         p->pinoperation = htole32(MBIM_PIN_OPERATION_ENTER);
441         mbim_encode_string(&p->pin, _argv[0]);
442
443         return mbim_send_command_msg();
444 }
445
446 static int
447 mbim_config_request(void)
448 {
449         mbim_setup_command_msg(basic_connect,
450                 MBIM_MESSAGE_COMMAND_TYPE_QUERY, MBIM_CMD_BASIC_CONNECT_IP_CONFIGURATION,
451                 sizeof(struct mbim_basic_connect_ip_configuration_q));
452
453         return mbim_send_command_msg();
454 }
455
456 static int
457 mbim_radio_request(void)
458 {
459         if (_argc > 0) {
460                 struct mbim_basic_connect_radio_state_s *rs =
461                         (struct mbim_basic_connect_radio_state_s *) mbim_setup_command_msg(basic_connect,
462                                 MBIM_MESSAGE_COMMAND_TYPE_SET, MBIM_CMD_BASIC_CONNECT_RADIO_STATE,
463                                 sizeof(struct mbim_basic_connect_radio_state_r));
464
465                 if (!strcmp(_argv[0], "off"))
466                         rs->radiostate = htole32(MBIM_RADIO_SWITCH_STATE_OFF);
467                 else
468                         rs->radiostate = htole32(MBIM_RADIO_SWITCH_STATE_ON);
469         } else {
470                 mbim_setup_command_msg(basic_connect,
471                         MBIM_MESSAGE_COMMAND_TYPE_QUERY, MBIM_CMD_BASIC_CONNECT_RADIO_STATE,
472                         sizeof(struct mbim_basic_connect_radio_state_r));
473         }
474         return mbim_send_command_msg();
475 }
476
477 static struct mbim_handler handlers[] = {
478         { "caps", 0, mbim_device_caps_request, mbim_device_caps_response },
479         { "pinstate", 0, mbim_pin_state_request, mbim_pin_state_response },
480         { "unlock", 1, mbim_pin_unlock_request, mbim_pin_state_response },
481         { "registration", 0, mbim_registration_request, mbim_registration_response },
482         { "subscriber", 0, mbim_subscriber_request, mbim_subscriber_response },
483         { "attach", 0, mbim_attach_request, mbim_attach_response },
484         { "detach", 0, mbim_detach_request, mbim_attach_response },
485         { "connect", 0, mbim_connect_request, mbim_connect_response },
486         { "disconnect", 0, mbim_disconnect_request, mbim_connect_response },
487         { "config", 0, mbim_config_request, mbim_config_response },
488         { "radio", 0, mbim_radio_request, mbim_radio_response },
489 };
490
491 static int
492 usage(void)
493 {
494         fprintf(stderr, "Usage: umbim <caps|pinstate|unlock|registration|subscriber|attach|detach|connect|disconnect|config|radio> [options]\n"
495                 "Options:\n"
496 #ifdef LIBQMI_MBIM_PROXY
497                 "    -p                 use mbim-proxy\n"
498 #endif
499                 "    -d <device>        the device (/dev/cdc-wdmX)\n"
500                 "    -t <transaction>   the transaction id\n"
501                 "    -n                 no close\n\n"
502                 "    -v                 verbose\n\n");
503         return 1;
504 }
505
506 int
507 main(int argc, char **argv)
508 {
509         char *cmd, *device = NULL;
510         int no_open = 0, ch, i;
511 #ifdef LIBQMI_MBIM_PROXY
512         int proxy = 0;
513 #endif
514
515         while ((ch = getopt(argc, argv, "pnvd:t:")) != -1) {
516                 switch (ch) {
517                 case 'v':
518                         verbose = 1;
519                         break;
520                 case 'n':
521                         no_close = 1;
522                         break;
523                 case 'd':
524                         device = optarg;
525                         break;
526                 case 't':
527                         no_open = 1;
528                         transaction_id = atoi(optarg);
529                         break;
530 #ifdef LIBQMI_MBIM_PROXY
531                 case 'p':
532                         proxy = 1;
533                         break;
534 #endif
535                 default:
536                         return usage();
537                 }
538         }
539
540         if (!device || optind == argc)
541                 return usage();
542
543         cmd = argv[optind];
544         optind++;
545
546         _argc = argc - optind;
547         _argv = &argv[optind];
548
549         for (i = 0; i < ARRAY_SIZE(handlers); i++)
550                 if (!strcmp(cmd, handlers[i].name))
551                         current_handler = &handlers[i];
552
553         if (!current_handler || (optind + current_handler->argc > argc))
554                 return usage();
555
556         uloop_init();
557
558 #ifdef LIBQMI_MBIM_PROXY
559         if (proxy)
560                 mbim_proxy_open(device);
561         else
562 #endif
563         mbim_open(device);
564         if (!no_open)
565                 mbim_send_open_msg();
566         else if (current_handler->request() < 0)
567                 return -1;
568
569         uloop_run();
570         uloop_done();
571
572         return return_code;
573 }