aboutsummaryrefslogtreecommitdiff
path: root/tests/libtest/lib582.c
blob: 1eb9b02d52278eb5e263a8575e9f828ff16a2ff4 (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
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.haxx.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ***************************************************************************/
#include "test.h"

#include <fcntl.h>

#include "testutil.h"
#include "warnless.h"
#include "memdebug.h"

#define TEST_HANG_TIMEOUT 60 * 1000

struct Sockets
{
  curl_socket_t *sockets;
  int count;      /* number of sockets actually stored in array */
  int max_count;  /* max number of sockets that fit in allocated array */
};

struct ReadWriteSockets
{
  struct Sockets read, write;
};

/**
 * Remove a file descriptor from a sockets array.
 */
static void removeFd(struct Sockets* sockets, curl_socket_t fd, int mention)
{
  int i;

  if(mention)
    fprintf(stderr, "Remove socket fd %d\n", (int) fd);

  for(i = 0; i < sockets->count; ++i) {
    if(sockets->sockets[i] == fd) {
      if(i < sockets->count - 1)
        memmove(&sockets->sockets[i], &sockets->sockets[i + 1],
              sizeof(curl_socket_t) * (sockets->count - (i + 1)));
      --sockets->count;
    }
  }
}

/**
 * Add a file descriptor to a sockets array.
 */
static void addFd(struct Sockets* sockets, curl_socket_t fd, const char *what)
{
  /**
   * To ensure we only have each file descriptor once, we remove it then add
   * it again.
   */
  fprintf(stderr, "Add socket fd %d for %s\n", (int) fd, what);
  removeFd(sockets, fd, 0);
  /*
   * Allocate array storage when required.
   */
  if(!sockets->sockets) {
    sockets->sockets = malloc(sizeof(curl_socket_t) * 20U);
    if(!sockets->sockets)
      return;
    sockets->max_count = 20;
  }
  else if(sockets->count + 1 > sockets->max_count) {
    curl_socket_t *oldptr = sockets->sockets;
    sockets->sockets = realloc(oldptr, sizeof(curl_socket_t) *
                               (sockets->max_count + 20));
    if(!sockets->sockets) {
      /* cleanup in test_cleanup */
      sockets->sockets = oldptr;
      return;
    }
    sockets->max_count += 20;
  }
  /*
   * Add file descriptor to array.
   */
  sockets->sockets[sockets->count] = fd;
  ++sockets->count;
}

/**
 * Callback invoked by curl to poll reading / writing of a socket.
 */
static int curlSocketCallback(CURL *easy, curl_socket_t s, int action,
                              void *userp, void *socketp)
{
  struct ReadWriteSockets* sockets = userp;

  (void)easy; /* unused */
  (void)socketp; /* unused */

  if(action == CURL_POLL_IN || action == CURL_POLL_INOUT)
    addFd(&sockets->read, s, "read");

  if(action == CURL_POLL_OUT || action == CURL_POLL_INOUT)
    addFd(&sockets->write, s, "write");

  if(action == CURL_POLL_REMOVE) {
    removeFd(&sockets->read, s, 1);
    removeFd(&sockets->write, s, 0);
  }

  return 0;
}

/**
 * Callback invoked by curl to set a timeout.
 */
static int curlTimerCallback(CURLM *multi, long timeout_ms, void *userp)
{
  struct timeval* timeout = userp;

  (void)multi; /* unused */
  if(timeout_ms != -1) {
    *timeout = tutil_tvnow();
    timeout->tv_usec += timeout_ms * 1000;
  }
  else {
    timeout->tv_sec = -1;
  }
  return 0;
}

/**
 * Check for curl completion.
 */
static int checkForCompletion(CURLM *curl, int *success)
{
  int numMessages;
  CURLMsg *message;
  int result = 0;
  *success = 0;
  while((message = curl_multi_info_read(curl, &numMessages)) != NULL) {
    if(message->msg == CURLMSG_DONE) {
      result = 1;
      if(message->data.result == CURLE_OK)
        *success = 1;
      else
        *success = 0;
    }
    else {
      fprintf(stderr, "Got an unexpected message from curl: %i\n",
              (int)message->msg);
      result = 1;
      *success = 0;
    }
  }
  return result;
}

static int getMicroSecondTimeout(struct timeval* timeout)
{
  struct timeval now;
  ssize_t result;
  now = tutil_tvnow();
  result = (timeout->tv_sec - now.tv_sec) * 1000000 +
    timeout->tv_usec - now.tv_usec;
  if(result < 0)
    result = 0;

  return curlx_sztosi(result);
}

/**
 * Update a fd_set with all of the sockets in use.
 */
static void updateFdSet(struct Sockets* sockets, fd_set* fdset,
                        curl_socket_t *maxFd)
{
  int i;
  for(i = 0; i < sockets->count; ++i) {
    FD_SET(sockets->sockets[i], fdset);
    if(*maxFd < sockets->sockets[i] + 1) {
      *maxFd = sockets->sockets[i] + 1;
    }
  }
}

static void notifyCurl(CURLM *curl, curl_socket_t s, int evBitmask,
                       const char *info)
{
  int numhandles = 0;
  CURLMcode result = curl_multi_socket_action(curl, s, evBitmask, &numhandles);
  if(result != CURLM_OK) {
    fprintf(stderr, "Curl error on %s: %i (%s)\n",
            info, result, curl_multi_strerror(result));
  }
}

/**
 * Invoke curl when a file descriptor is set.
 */
static void checkFdSet(CURLM *curl, struct Sockets *sockets, fd_set *fdset,
                       int evBitmask, const char *name)
{
  int i;
  for(i = 0; i < sockets->count; ++i) {
    if(FD_ISSET(sockets->sockets[i], fdset)) {
      notifyCurl(curl, sockets->sockets[i], evBitmask, name);
    }
  }
}

int test(char *URL)
{
  int res = 0;
  CURL *curl = NULL;
  FILE *hd_src = NULL;
  int hd;
  int error;
  struct_stat file_info;
  CURLM *m = NULL;
  struct ReadWriteSockets sockets = {{NULL, 0, 0}, {NULL, 0, 0}};
  struct timeval timeout = {-1, 0};
  int success = 0;

  start_test_timing();

  if(!libtest_arg3) {
    fprintf(stderr, "Usage: lib582 [url] [filename] [username]\n");
    return TEST_ERR_USAGE;
  }

  hd_src = fopen(libtest_arg2, "rb");
  if(NULL == hd_src) {
    error = ERRNO;
    fprintf(stderr, "fopen() failed with error: %d (%s)\n",
            error, strerror(error));
    fprintf(stderr, "Error opening file: (%s)\n", libtest_arg2);
    return TEST_ERR_FOPEN;
  }

  /* get the file size of the local file */
  hd = fstat(fileno(hd_src), &file_info);
  if(hd == -1) {
    /* can't open file, bail out */
    error = ERRNO;
    fprintf(stderr, "fstat() failed with error: %d (%s)\n",
            error, strerror(error));
    fprintf(stderr, "ERROR: cannot open file (%s)\n", libtest_arg2);
    fclose(hd_src);
    return TEST_ERR_FSTAT;
  }
  fprintf(stderr, "Set to upload %d bytes\n", (int)file_info.st_size);

  res_global_init(CURL_GLOBAL_ALL);
  if(res) {
    fclose(hd_src);
    return res;
  }

  easy_init(curl);

  /* enable uploading */
  easy_setopt(curl, CURLOPT_UPLOAD, 1L);

  /* specify target */
  easy_setopt(curl, CURLOPT_URL, URL);

  /* go verbose */
  easy_setopt(curl, CURLOPT_VERBOSE, 1L);

  /* now specify which file to upload */
  easy_setopt(curl, CURLOPT_READDATA, hd_src);

  easy_setopt(curl, CURLOPT_USERPWD, libtest_arg3);
  easy_setopt(curl, CURLOPT_SSH_PUBLIC_KEYFILE, "curl_client_key.pub");
  easy_setopt(curl, CURLOPT_SSH_PRIVATE_KEYFILE, "curl_client_key");

  easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, (curl_off_t)file_info.st_size);

  multi_init(m);

  multi_setopt(m, CURLMOPT_SOCKETFUNCTION, curlSocketCallback);
  multi_setopt(m, CURLMOPT_SOCKETDATA, &sockets);

  multi_setopt(m, CURLMOPT_TIMERFUNCTION, curlTimerCallback);
  multi_setopt(m, CURLMOPT_TIMERDATA, &timeout);

  multi_add_handle(m, curl);

  while(!checkForCompletion(m, &success)) {
    fd_set readSet, writeSet;
    curl_socket_t maxFd = 0;
    struct timeval tv = {10, 0};

    FD_ZERO(&readSet);
    FD_ZERO(&writeSet);
    updateFdSet(&sockets.read, &readSet, &maxFd);
    updateFdSet(&sockets.write, &writeSet, &maxFd);

    if(timeout.tv_sec != -1) {
      int usTimeout = getMicroSecondTimeout(&timeout);
      tv.tv_sec = usTimeout / 1000000;
      tv.tv_usec = usTimeout % 1000000;
    }
    else if(maxFd <= 0) {
      tv.tv_sec = 0;
      tv.tv_usec = 100000;
    }

    select_test((int)maxFd, &readSet, &writeSet, NULL, &tv);

    /* Check the sockets for reading / writing */
    checkFdSet(m, &sockets.read, &readSet, CURL_CSELECT_IN, "read");
    checkFdSet(m, &sockets.write, &writeSet, CURL_CSELECT_OUT, "write");

    if(timeout.tv_sec != -1 && getMicroSecondTimeout(&timeout) == 0) {
      /* Curl's timer has elapsed. */
      notifyCurl(m, CURL_SOCKET_TIMEOUT, 0, "timeout");
    }

    abort_on_test_timeout();
  }

  if(!success) {
    fprintf(stderr, "Error uploading file.\n");
    res = TEST_ERR_MAJOR_BAD;
  }

test_cleanup:

  /* proper cleanup sequence - type PB */

  curl_multi_remove_handle(m, curl);
  curl_easy_cleanup(curl);
  curl_multi_cleanup(m);
  curl_global_cleanup();

  /* close the local file */
  fclose(hd_src);

  /* free local memory */
  free(sockets.read.sockets);
  free(sockets.write.sockets);

  return res;
}