File: usbredirtestclient.c

package info (click to toggle)
usbredir 0.8.0-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 1,884 kB
  • sloc: ansic: 5,412; sh: 4,177; makefile: 52
file content (612 lines) | stat: -rw-r--r-- 19,050 bytes parent folder | download
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
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
/* usbredirtestclient.c simple usb network redirection test client (guest).

   Copyright 2010-2011 Red Hat, Inc.

   Red Hat Authors:
   Hans de Goede <hdegoede@redhat.com>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation; either
   version 2 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 library; if not, see <http://www.gnu.org/licenses/>.
*/

#include "config.h"

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <getopt.h>
#include <inttypes.h>
#include <unistd.h>
#include <errno.h>
#include <poll.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/time.h>
#include <netdb.h>
#include <netinet/in.h>
#include "usbredirparser.h"

/* Macros to go from an endpoint address to an index for our ep array */
#define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f))
#define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f))

#define TESTCLIENT_VERSION "usbredirtestclient " PACKAGE_VERSION

static void usbredirtestclient_device_connect(void *priv,
    struct usb_redir_device_connect_header *device_connect);
static void usbredirtestclient_device_disconnect(void *priv);
static void usbredirtestclient_interface_info(void *priv,
    struct usb_redir_interface_info_header *interface_info);
static void usbredirtestclient_ep_info(void *priv,
    struct usb_redir_ep_info_header *ep_info);
static void usbredirtestclient_configuration_status(void *priv, uint64_t id,
    struct usb_redir_configuration_status_header *configuration_status);
static void usbredirtestclient_alt_setting_status(void *priv, uint64_t id,
    struct usb_redir_alt_setting_status_header *alt_setting_status);
static void usbredirtestclient_iso_stream_status(void *priv, uint64_t id,
    struct usb_redir_iso_stream_status_header *iso_stream_status);
static void usbredirtestclient_interrupt_receiving_status(void *priv, uint64_t id,
    struct usb_redir_interrupt_receiving_status_header *interrupt_receiving_status);
static void usbredirtestclient_bulk_streams_status(void *priv, uint64_t id,
    struct usb_redir_bulk_streams_status_header *bulk_streams_status);
static void usbredirtestclient_control_packet(void *priv, uint64_t id,
    struct usb_redir_control_packet_header *control_packet,
    uint8_t *data, int data_len);
static void usbredirtestclient_bulk_packet(void *priv, uint64_t id,
    struct usb_redir_bulk_packet_header *bulk_packet,
    uint8_t *data, int data_len);
static void usbredirtestclient_iso_packet(void *priv, uint64_t id,
    struct usb_redir_iso_packet_header *iso_packet,
    uint8_t *data, int data_len);
static void usbredirtestclient_interrupt_packet(void *priv, uint64_t id,
    struct usb_redir_interrupt_packet_header *interrupt_packet,
    uint8_t *data, int data_len);

/* id's for all the test commands we send */
enum {
   reset_id,
   get_config_id,
   set_config_id,
   get_alt_id,
   set_alt_id,
   first_cmdline_id
};

static int verbose = usbredirparser_info; /* 3 */
static int client_fd, running = 1;
static struct usbredirparser *parser;
static int id = first_cmdline_id;

static const struct option longopts[] = {
    { "port", required_argument, NULL, 'p' },
    { "verbose", required_argument, NULL, 'v' },
    { "help", no_argument, NULL, 'h' },
    { NULL, 0, NULL, 0 }
};

static void usbredirtestclient_log(void *priv, int level, const char *msg)
{
    if (level <= verbose)
        fprintf(stderr, "%s\n", msg);
}

static int usbredirtestclient_read(void *priv, uint8_t *data, int count)
{
    int r = read(client_fd, data, count);
    if (r < 0) {
        if (errno == EAGAIN)
            return 0;
        return -1;
    }
    if (r == 0) { /* Server disconnected */
        close(client_fd);
        client_fd = -1;
    }
    return r;
}

static int usbredirtestclient_write(void *priv, uint8_t *data, int count)
{
    int r = write(client_fd, data, count);
    if (r < 0) {
        if (errno == EAGAIN)
            return 0;
        if (errno == EPIPE) { /* Server disconnected */
            close(client_fd);
            client_fd = -1;
            return 0;
        }
        return -1;
    }
    return r;
}

static void usbredirtestclient_hello(void *priv,
    struct usb_redir_hello_header *h)
{
    /* Queue a reset + set config the other test commands will be send in
       response to the status packets of previous commands */
    usbredirparser_send_reset(parser);
    usbredirparser_send_get_configuration(parser, get_config_id);
}

static void usage(int exit_code, char *argv0)
{
    fprintf(exit_code? stderr:stdout,
        "Usage: %s [-p|--port <port>] [-v|--verbose <0-3>] <server>\n",
        argv0);
    exit(exit_code);
}

static void run_main_loop(void)
{
    fd_set readfds, writefds;
    int n, nfds;

    while (running && client_fd != -1) {
        FD_ZERO(&readfds);
        FD_ZERO(&writefds);

        FD_SET(client_fd, &readfds);
        if (usbredirparser_has_data_to_write(parser)) {
            FD_SET(client_fd, &writefds);
        }
        nfds = client_fd + 1;

        n = select(nfds, &readfds, &writefds, NULL, NULL);
        if (n == -1) {
            if (errno == EINTR) {
                continue;
            }
            perror("select");
            break;
        }

        if (FD_ISSET(client_fd, &readfds)) {
            if (usbredirparser_do_read(parser)) {
                break;
            }
        }
        if (FD_ISSET(client_fd, &writefds)) {
            if (usbredirparser_do_write(parser)) {
                break;
            }
        }
    }
    if (client_fd != -1) { /* Broken out of the loop because of an error ? */
        close(client_fd);
        client_fd = -1;
    }
}

static void quit_handler(int sig)
{
    running = 0;
}

int main(int argc, char *argv[])
{
    int o, flags;
    char *endptr, *server;
    struct addrinfo *r, *res, hints;
    struct sigaction act;
    char port_str[16];
    int port = 4000;
    uint32_t caps[USB_REDIR_CAPS_SIZE] = { 0, };

    while ((o = getopt_long(argc, argv, "hp:", longopts, NULL)) != -1) {
        switch (o) {
        case 'p':
            port = strtol(optarg, &endptr, 10);
            if (*endptr != '\0') {
                fprintf(stderr, "Inalid value for --port: '%s'\n", optarg);
                usage(1, argv[0]);
            }
            break;
        case 'v':
            verbose = strtol(optarg, &endptr, 10);
            if (*endptr != '\0') {
                fprintf(stderr, "Inalid value for --verbose: '%s'\n", optarg);
                usage(1, argv[0]);
            }
            break;
        case '?':
        case 'h':
            usage(o == '?', argv[0]);
            break;
        }
    }
    if (optind == argc) {
        fprintf(stderr, "Missing server argument\n");
        usage(1, argv[0]);
    }
    server = argv[optind];
    optind++;
    if (optind != argc) {
        fprintf(stderr, "Excess non option arguments\n");
        usage(1, argv[0]);
    }

    memset(&act, 0, sizeof(act));
    act.sa_handler = quit_handler;
    sigaction(SIGINT, &act, NULL);
    sigaction(SIGHUP, &act, NULL);
    sigaction(SIGTERM, &act, NULL);
    sigaction(SIGQUIT, &act, NULL);

    memset(&hints, 0, sizeof(hints));
    hints.ai_flags = AI_ADDRCONFIG | AI_NUMERICSERV;
    hints.ai_family = AF_UNSPEC;
    hints.ai_socktype = SOCK_STREAM;
    hints.ai_protocol = IPPROTO_TCP;

    sprintf(port_str, "%d", port);
    if (getaddrinfo(server, port_str, &hints, &res) != 0) {
        perror("getaddrinfo");
        exit(1);
    }

    for (r = res; r != NULL; r = r->ai_next) {
        client_fd = socket(r->ai_family, r->ai_socktype, r->ai_protocol);
        if (client_fd == -1)
            continue;

        if (connect(client_fd, r->ai_addr, r->ai_addrlen) == 0)
            break;

        close(client_fd);
    }
    freeaddrinfo(res);

    if (r == NULL) {
        fprintf(stderr, "Could not connect to: [%s]:%s\n", server, port_str);
        exit(1);
    }

    flags = fcntl(client_fd, F_GETFL);
    if (flags == -1) {
        perror("fcntl F_GETFL");
        exit(1);
    }
    flags = fcntl(client_fd, F_SETFL, flags | O_NONBLOCK);
    if (flags == -1) {
        perror("fcntl F_SETFL O_NONBLOCK");
        exit(1);
    }

    parser = usbredirparser_create();
    if (!parser) {
        exit(1);
    }
    parser->log_func = usbredirtestclient_log;
    parser->read_func = usbredirtestclient_read;
    parser->write_func = usbredirtestclient_write;
    parser->hello_func = usbredirtestclient_hello;
    parser->device_connect_func = usbredirtestclient_device_connect;
    parser->device_disconnect_func = usbredirtestclient_device_disconnect;
    parser->interface_info_func = usbredirtestclient_interface_info;
    parser->ep_info_func = usbredirtestclient_ep_info;
    parser->configuration_status_func = usbredirtestclient_configuration_status;
    parser->alt_setting_status_func = usbredirtestclient_alt_setting_status;
    parser->iso_stream_status_func = usbredirtestclient_iso_stream_status;
    parser->interrupt_receiving_status_func = usbredirtestclient_interrupt_receiving_status;
    parser->bulk_streams_status_func = usbredirtestclient_bulk_streams_status;
    parser->control_packet_func = usbredirtestclient_control_packet;
    parser->bulk_packet_func = usbredirtestclient_bulk_packet;
    parser->iso_packet_func = usbredirtestclient_iso_packet;
    parser->interrupt_packet_func = usbredirtestclient_interrupt_packet;

    usbredirparser_caps_set_cap(caps, usb_redir_cap_ep_info_max_packet_size);
    usbredirparser_caps_set_cap(caps, usb_redir_cap_64bits_ids);

    usbredirparser_init(parser, TESTCLIENT_VERSION, caps, USB_REDIR_CAPS_SIZE, 0);

    run_main_loop();

    exit(0);
}

static void usbredirtestclient_cmdline_help(void)
{
    printf("Avaiable commands:\n"
        "ctrl <endpoint> <request> <request_type> <value> <index> <length> [data]\n"
        "quit\n"
        "help\n");
}

static int usbredirtestclient_cmdline_ctrl(void)
{
    struct usb_redir_control_packet_header control_packet;
    char *arg, *endptr = NULL;
    uint8_t *data = NULL;
    int data_len;

    arg = strtok(NULL, " \t\n");
    if (arg) {
        control_packet.endpoint = strtol(arg, &endptr, 0);
    }
    if (!arg || *endptr != '\0') {
        printf("Missing or invalid endpoint\n");
        return 0;
    }

    arg = strtok(NULL, " \t\n");
    if (arg) {
        control_packet.request = strtol(arg, &endptr, 0);
    }
    if (!arg || *endptr != '\0') {
        printf("Missing or invalid request\n");
        return 0;
    }

    arg = strtok(NULL, " \t\n");
    if (arg) {
        control_packet.requesttype = strtol(arg, &endptr, 0);
    }
    if (!arg || *endptr != '\0') {
        printf("Missing or invalid request type\n");
        return 0;
    }

    arg = strtok(NULL, " \t\n");
    if (arg) {
        control_packet.value = strtol(arg, &endptr, 0);
    }
    if (!arg || *endptr != '\0') {
        printf("Missing or invalid value\n");
        return 0;
    }

    arg = strtok(NULL, " \t\n");
    if (arg) {
        control_packet.index = strtol(arg, &endptr, 0);
    }
    if (!arg || *endptr != '\0') {
        printf("Missing or invalid index\n");
        return 0;
    }

    arg = strtok(NULL, " \t\n");
    if (arg) {
        control_packet.length = strtol(arg, &endptr, 0);
    }
    if (!arg || *endptr != '\0') {
        printf("Missing or invalid length\n");
        return 0;
    }

    if (!(control_packet.endpoint & 0x80)) {
        int i;

        data = malloc(control_packet.length);
        if (!data) {
            fprintf(stderr, "Out of memory!\n");
            close(client_fd);
            client_fd = -1;
            return 0;
        }

        for (i = 0; i < control_packet.length; i++) {
            arg = strtok(NULL, " \t\n");
            if (arg) {
                data[i] = strtol(arg, &endptr, 0);
            }
            if (!arg || *endptr != '\0') {
                printf("Missing or invalid data byte(s)\n");
                return 0;
            }
        }
        data_len = control_packet.length;
    } else {
        data_len = 0;
    }
    usbredirparser_send_control_packet(parser, id, &control_packet,
                                       data, data_len);
    free(data);
    printf("Send control packet with id: %u\n", id);
    id++;
    return 1;
}

static void usbredirtestclient_cmdline_parse(void)
{
    char buf[128];
    char *cmd;

    while (running && client_fd != -1) {
        printf("> ");
        if (!fgets(buf, sizeof(buf), stdin)) {
            close(client_fd);
            client_fd = -1;
            return;
        }

        cmd = strtok(buf, " \t\n");
        if (!cmd)
            continue;

        if (!strcmp(cmd, "help")) {
            usbredirtestclient_cmdline_help();
        } else if (!strcmp(cmd, "quit")) {
            close(client_fd);
            client_fd = -1;
            return;
        } else if (!strcmp(cmd, "ctrl")) {
            if (usbredirtestclient_cmdline_ctrl()) {
                return; /* Run main loop until an answer is received */
            }
        } else {
            printf("unknown command: '%s', type 'help' for help\n", cmd);
        }
    }
}

static void usbredirtestclient_device_connect(void *priv,
    struct usb_redir_device_connect_header *device_connect)
{
    switch (device_connect->speed) {
    case usb_redir_speed_low:   printf("device info: speed: low\n"); break;
    case usb_redir_speed_full:  printf("device info: speed: full\n"); break;
    case usb_redir_speed_high:  printf("device info: speed: high\n"); break;
    case usb_redir_speed_super: printf("device info: speed: super\n"); break;
    default:
        printf("device info: speed: unknown\n");
    }
    printf("  class %2d subclass %2d protocol %2d\n",
           device_connect->device_class, device_connect->device_subclass,
           device_connect->device_protocol);
    printf("  vendor 0x%04x product %04x\n",
           device_connect->vendor_id, device_connect->product_id);
}

static void usbredirtestclient_device_disconnect(void *priv)
{
    printf("device disconnected");
    close(client_fd);
    client_fd = -1;
}

static void usbredirtestclient_interface_info(void *priv,
    struct usb_redir_interface_info_header *info)
{
    int i;

    for (i = 0; i < info->interface_count; i++) {
        printf("interface %d class %2d subclass %2d protocol %2d\n",
               info->interface[i], info->interface_class[i],
               info->interface_subclass[i], info->interface_protocol[i]);
    }
}

static void usbredirtestclient_ep_info(void *priv,
    struct usb_redir_ep_info_header *ep_info)
{
    int i;

    for (i = 0; i < 32; i++) {
       if (ep_info->type[i] != usb_redir_type_invalid) {
           printf("endpoint: %02X, type: %d, interval: %d, interface: %d max-packetsize: %d\n",
                  I2EP(i), (int)ep_info->type[i], (int)ep_info->interval[i],
                  (int)ep_info->interface[i], ep_info->max_packet_size[i]);
       }
    }
}

static void usbredirtestclient_configuration_status(void *priv, uint64_t id,
    struct usb_redir_configuration_status_header *config_status)
{
    struct usb_redir_set_configuration_header set_config;
    struct usb_redir_get_alt_setting_header get_alt;

    switch (id) {
    case get_config_id:
        printf("Get config: %d, status: %d\n", config_status->configuration,
               config_status->status);
        set_config.configuration = config_status->configuration;
        usbredirparser_send_set_configuration(parser, set_config_id,
                                              &set_config);
        break;
    case set_config_id:
        printf("Set config: %d, status: %d\n", config_status->configuration,
               config_status->status);
        get_alt.interface = 0; /* Assume the device has an interface 0 */
        usbredirparser_send_get_alt_setting(parser, get_alt_id, &get_alt);
        break;
    default:
        fprintf(stderr, "Unexpected configuration status packet, id: %"
                PRIu64"\n", id);
    }
}

static void usbredirtestclient_alt_setting_status(void *priv, uint64_t id,
    struct usb_redir_alt_setting_status_header *alt_setting_status)
{
    struct usb_redir_set_alt_setting_header set_alt;

    switch (id) {
    case get_alt_id:
        printf("Get alt: %d, interface: %d, status: %d\n",
               alt_setting_status->alt, alt_setting_status->interface,
               alt_setting_status->status);
        set_alt.interface = alt_setting_status->interface;
        set_alt.alt = alt_setting_status->alt;
        usbredirparser_send_set_alt_setting(parser, set_alt_id, &set_alt);
        break;
    case set_alt_id:
        printf("Set alt: %d, interface: %d, status: %d\n",
               alt_setting_status->alt, alt_setting_status->interface,
               alt_setting_status->status);
        /* Auto tests done, go interactive */
        usbredirtestclient_cmdline_parse();
        break;
    default:
        fprintf(stderr, "Unexpected alt status packet, id: %"PRIu64"\n", id);
    }
}

static void usbredirtestclient_iso_stream_status(void *priv, uint64_t id,
    struct usb_redir_iso_stream_status_header *iso_stream_status)
{
}

static void usbredirtestclient_interrupt_receiving_status(void *priv, uint64_t id,
    struct usb_redir_interrupt_receiving_status_header *interrupt_receiving_status)
{
}

static void usbredirtestclient_bulk_streams_status(void *priv, uint64_t id,
    struct usb_redir_bulk_streams_status_header *bulk_streams_status)
{
}

static void usbredirtestclient_control_packet(void *priv, uint64_t id,
    struct usb_redir_control_packet_header *control_packet,
    uint8_t *data, int data_len)
{
    int i;
    printf("Control packet id: %"PRIu64", status: %d", id,
           control_packet->status);

    if (data_len) {
        printf(", data:");
    }
    for (i = 0; i < data_len; i++) {
        printf(" %02X", (unsigned int)data[i]);
    }
    printf("\n");
    usbredirparser_free_packet_data(parser, data);

    /* Ask what to send next */
    usbredirtestclient_cmdline_parse();
}

static void usbredirtestclient_bulk_packet(void *priv, uint64_t id,
    struct usb_redir_bulk_packet_header *bulk_packet,
    uint8_t *data, int data_len)
{
}

static void usbredirtestclient_iso_packet(void *priv, uint64_t id,
    struct usb_redir_iso_packet_header *iso_packet,
    uint8_t *data, int data_len)
{
}

static void usbredirtestclient_interrupt_packet(void *priv, uint64_t id,
    struct usb_redir_interrupt_packet_header *interrupt_packet,
    uint8_t *data, int data_len)
{
}