Coverage Report

Created: 2025-06-13 06:43

/src/php-src/ext/standard/mail.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
   +----------------------------------------------------------------------+
3
   | Copyright (c) The PHP Group                                          |
4
   +----------------------------------------------------------------------+
5
   | This source file is subject to version 3.01 of the PHP license,      |
6
   | that is bundled with this package in the file LICENSE, and is        |
7
   | available through the world-wide-web at the following url:           |
8
   | https://www.php.net/license/3_01.txt                                 |
9
   | If you did not receive a copy of the PHP license and are unable to   |
10
   | obtain it through the world-wide-web, please send a note to          |
11
   | license@php.net so we can mail you a copy immediately.               |
12
   +----------------------------------------------------------------------+
13
   | Author: Rasmus Lerdorf <rasmus@php.net>                              |
14
   +----------------------------------------------------------------------+
15
 */
16
17
#include <stdlib.h>
18
#include <ctype.h>
19
#include <stdio.h>
20
#include <time.h>
21
#include "php.h"
22
#include "ext/standard/info.h"
23
#include "ext/standard/php_string.h"
24
#include "ext/standard/basic_functions.h"
25
#include "ext/date/php_date.h"
26
#include "zend_smart_str.h"
27
28
#ifdef HAVE_SYSEXITS_H
29
# include <sysexits.h>
30
#endif
31
#ifdef HAVE_SYS_SYSEXITS_H
32
# include <sys/sysexits.h>
33
#endif
34
35
#if PHP_SIGCHILD
36
# include <signal.h>
37
#endif
38
39
#include "php_syslog.h"
40
#include "php_mail.h"
41
#include "php_ini.h"
42
#include "exec.h"
43
44
#ifdef PHP_WIN32
45
# include "win32/sendmail.h"
46
#endif
47
48
#define SKIP_LONG_HEADER_SEP(str, pos)                                  \
49
0
  if (str[pos] == '\r' && str[pos + 1] == '\n' && (str[pos + 2] == ' ' || str[pos + 2] == '\t')) { \
50
0
    pos += 2;                                           \
51
0
    while (str[pos + 1] == ' ' || str[pos + 1] == '\t') {                     \
52
0
      pos++;                                            \
53
0
    }                                                \
54
0
    continue;                                           \
55
0
  }                                                  \
56
57
extern zend_long php_getuid(void);
58
59
typedef enum {
60
  NO_HEADER_ERROR,
61
  CONTAINS_LF_ONLY,
62
  CONTAINS_CR_ONLY,
63
  CONTAINS_CRLF,
64
  CONTAINS_NULL
65
} php_mail_header_value_error_type;
66
67
static php_mail_header_value_error_type php_mail_build_headers_check_field_value(zval *val)
68
0
{
69
0
  size_t len = 0;
70
0
  zend_string *value = Z_STR_P(val);
71
72
  /* https://tools.ietf.org/html/rfc2822#section-2.2.1 */
73
  /* https://tools.ietf.org/html/rfc2822#section-2.2.3 */
74
0
  while (len < value->len) {
75
0
    if (*(value->val+len) == '\r') {
76
0
      if (*(value->val+len+1) != '\n') {
77
0
        return CONTAINS_CR_ONLY;
78
0
      }
79
80
0
      if (value->len - len >= 3
81
0
        && (*(value->val+len+2) == ' '  || *(value->val+len+2) == '\t')) {
82
0
        len += 3;
83
0
        continue;
84
0
      }
85
86
0
      return CONTAINS_CRLF;
87
0
    }
88
    /**
89
     * The RFC does not allow using LF alone for folding. However, LF is
90
     * often treated similarly to CRLF, and there are likely many user
91
     * environments that use LF for folding.
92
     * Therefore, considering such an environment, folding with LF alone
93
     * is allowed.
94
     */
95
0
    if (*(value->val+len) == '\n') {
96
0
      if (value->len - len >= 2
97
0
        && (*(value->val+len+1) == ' '  || *(value->val+len+1) == '\t')) {
98
0
        len += 2;
99
0
        continue;
100
0
      }
101
0
      return CONTAINS_LF_ONLY;
102
0
    }
103
0
    if (*(value->val+len) == '\0') {
104
0
      return CONTAINS_NULL;
105
0
    }
106
0
    len++;
107
0
  }
108
0
  return NO_HEADER_ERROR;
109
0
}
110
111
112
static bool php_mail_build_headers_check_field_name(zend_string *key)
113
0
{
114
0
  size_t len = 0;
115
116
  /* https://tools.ietf.org/html/rfc2822#section-2.2 */
117
0
  while (len < key->len) {
118
0
    if (*(key->val+len) < 33 || *(key->val+len) > 126 || *(key->val+len) == ':') {
119
0
      return FAILURE;
120
0
    }
121
0
    len++;
122
0
  }
123
0
  return SUCCESS;
124
0
}
125
126
127
static void php_mail_build_headers_elems(smart_str *s, zend_string *key, zval *val);
128
129
static void php_mail_build_headers_elem(smart_str *s, zend_string *key, zval *val)
130
0
{
131
0
  switch(Z_TYPE_P(val)) {
132
0
    case IS_STRING:
133
0
      if (php_mail_build_headers_check_field_name(key) != SUCCESS) {
134
0
        zend_value_error("Header name \"%s\" contains invalid characters", ZSTR_VAL(key));
135
0
        return;
136
0
      }
137
138
0
      php_mail_header_value_error_type error_type = php_mail_build_headers_check_field_value(val);
139
0
      switch (error_type) {
140
0
        case NO_HEADER_ERROR:
141
0
          break;
142
0
        case CONTAINS_LF_ONLY:
143
0
          zend_value_error("Header \"%s\" contains LF character that is not allowed in the header", ZSTR_VAL(key));
144
0
          return;
145
0
        case CONTAINS_CR_ONLY:
146
0
          zend_value_error("Header \"%s\" contains CR character that is not allowed in the header", ZSTR_VAL(key));
147
0
          return;
148
0
        case CONTAINS_CRLF:
149
0
          zend_value_error("Header \"%s\" contains CRLF characters that are used as a line separator and are not allowed in the header", ZSTR_VAL(key));
150
0
          return;
151
0
        case CONTAINS_NULL:
152
0
          zend_value_error("Header \"%s\" contains NULL character that is not allowed in the header", ZSTR_VAL(key));
153
0
          return;
154
0
        default:
155
          // fallback
156
0
          zend_value_error("Header \"%s\" has invalid format, or contains invalid characters", ZSTR_VAL(key));
157
0
          return;
158
0
      }
159
0
      smart_str_append(s, key);
160
0
      smart_str_appendl(s, ": ", 2);
161
0
      smart_str_appends(s, Z_STRVAL_P(val));
162
0
      smart_str_appendl(s, "\r\n", 2);
163
0
      break;
164
0
    case IS_ARRAY:
165
0
      php_mail_build_headers_elems(s, key, val);
166
0
      break;
167
0
    default:
168
0
      zend_type_error("Header \"%s\" must be of type array|string, %s given", ZSTR_VAL(key), zend_zval_value_name(val));
169
0
  }
170
0
}
171
172
173
static void php_mail_build_headers_elems(smart_str *s, zend_string *key, zval *val)
174
0
{
175
0
  zend_string *tmp_key;
176
0
  zval *tmp_val;
177
178
0
  ZEND_HASH_FOREACH_STR_KEY_VAL(Z_ARRVAL_P(val), tmp_key, tmp_val) {
179
0
    if (tmp_key) {
180
0
      zend_type_error("Header \"%s\" must only contain numeric keys, \"%s\" found", ZSTR_VAL(key), ZSTR_VAL(tmp_key));
181
0
      break;
182
0
    }
183
0
    ZVAL_DEREF(tmp_val);
184
0
    if (Z_TYPE_P(tmp_val) != IS_STRING) {
185
0
      zend_type_error("Header \"%s\" must only contain values of type string, %s found", ZSTR_VAL(key), zend_zval_value_name(tmp_val));
186
0
      break;
187
0
    }
188
0
    php_mail_build_headers_elem(s, key, tmp_val);
189
0
  } ZEND_HASH_FOREACH_END();
190
0
}
191
192
0
#define PHP_MAIL_BUILD_HEADER_CHECK(target, s, key, val) \
193
0
do { \
194
0
  if (Z_TYPE_P(val) == IS_STRING) { \
195
0
    php_mail_build_headers_elem(&s, key, val); \
196
0
  } else if (Z_TYPE_P(val) == IS_ARRAY) { \
197
0
    if (zend_string_equals_literal_ci(key, target)) { \
198
0
      zend_type_error("Header \"%s\" must be of type string, array given", target); \
199
0
      break; \
200
0
    } \
201
0
    php_mail_build_headers_elems(&s, key, val); \
202
0
  } else { \
203
0
    zend_type_error("Header \"%s\" must be of type array|string, %s given", ZSTR_VAL(key), zend_zval_value_name(val)); \
204
0
  } \
205
0
} while(0)
206
207
PHPAPI zend_string *php_mail_build_headers(HashTable *headers)
208
0
{
209
0
  zend_ulong idx;
210
0
  zend_string *key;
211
0
  zval *val;
212
0
  smart_str s = {0};
213
214
0
  ZEND_HASH_FOREACH_KEY_VAL(headers, idx, key, val) {
215
0
    if (!key) {
216
0
      zend_type_error("Header name cannot be numeric, " ZEND_LONG_FMT " given", idx);
217
0
      break;
218
0
    }
219
0
    ZVAL_DEREF(val);
220
    /* https://tools.ietf.org/html/rfc2822#section-3.6 */
221
0
    if (zend_string_equals_literal_ci(key, "orig-date")) {
222
0
      PHP_MAIL_BUILD_HEADER_CHECK("orig-date", s, key, val);
223
0
    } else if (zend_string_equals_literal_ci(key, "from")) {
224
0
      PHP_MAIL_BUILD_HEADER_CHECK("from", s, key, val);
225
0
    } else if (zend_string_equals_literal_ci(key, "sender")) {
226
0
      PHP_MAIL_BUILD_HEADER_CHECK("sender", s, key, val);
227
0
    } else if (zend_string_equals_literal_ci(key, "reply-to")) {
228
0
      PHP_MAIL_BUILD_HEADER_CHECK("reply-to", s, key, val);
229
0
    } else if (zend_string_equals_literal_ci(key, "to")) {
230
0
      zend_value_error("The additional headers cannot contain the \"To\" header");
231
0
    } else if (zend_string_equals_literal_ci(key, "cc")) {
232
0
      PHP_MAIL_BUILD_HEADER_CHECK("cc", s, key, val);
233
0
    } else if (zend_string_equals_literal_ci(key, "bcc")) {
234
0
      PHP_MAIL_BUILD_HEADER_CHECK("bcc", s, key, val);
235
0
    } else if (zend_string_equals_literal_ci(key, "message-id")) {
236
0
      PHP_MAIL_BUILD_HEADER_CHECK("message-id", s, key, val);
237
0
    } else if (zend_string_equals_literal_ci(key, "references")) {
238
0
      PHP_MAIL_BUILD_HEADER_CHECK("references", s, key, val);
239
0
    } else if (zend_string_equals_literal_ci(key, "in-reply-to")) {
240
0
      PHP_MAIL_BUILD_HEADER_CHECK("in-reply-to", s, key, val);
241
0
    } else if (zend_string_equals_literal_ci(key, "subject")) {
242
0
      zend_value_error("The additional headers cannot contain the \"Subject\" header");
243
0
    } else {
244
0
      if (Z_TYPE_P(val) == IS_STRING) {
245
0
        php_mail_build_headers_elem(&s, key, val);
246
0
      } else if (Z_TYPE_P(val) == IS_ARRAY) {
247
0
        php_mail_build_headers_elems(&s, key, val);
248
0
      } else {
249
0
        zend_type_error("Header \"%s\" must be of type array|string, %s given", ZSTR_VAL(key), zend_zval_value_name(val));
250
0
      }
251
0
    }
252
253
0
    if (EG(exception)) {
254
0
      smart_str_free(&s);
255
0
      return NULL;
256
0
    }
257
0
  } ZEND_HASH_FOREACH_END();
258
259
  /* Remove the last \r\n */
260
0
  if (s.s) s.s->len -= 2;
261
0
  smart_str_0(&s);
262
263
0
  return s.s;
264
0
}
265
266
267
/* {{{ Send an email message */
268
PHP_FUNCTION(mail)
269
0
{
270
0
  char *to=NULL, *message=NULL;
271
0
  char *subject=NULL;
272
0
  zend_string *extra_cmd=NULL;
273
0
  zend_string *headers_str = NULL;
274
0
  HashTable *headers_ht = NULL;
275
0
  size_t to_len, message_len;
276
0
  size_t subject_len, i;
277
0
  char *to_r, *subject_r;
278
279
0
  ZEND_PARSE_PARAMETERS_START(3, 5)
280
0
    Z_PARAM_PATH(to, to_len)
281
0
    Z_PARAM_PATH(subject, subject_len)
282
0
    Z_PARAM_PATH(message, message_len)
283
0
    Z_PARAM_OPTIONAL
284
0
    Z_PARAM_ARRAY_HT_OR_STR(headers_ht, headers_str)
285
0
    Z_PARAM_PATH_STR(extra_cmd)
286
0
  ZEND_PARSE_PARAMETERS_END();
287
288
0
  if (headers_str) {
289
0
    if (strlen(ZSTR_VAL(headers_str)) != ZSTR_LEN(headers_str)) {
290
0
      zend_argument_value_error(4, "must not contain any null bytes");
291
0
      RETURN_THROWS();
292
0
    }
293
0
    headers_str = php_trim(headers_str, NULL, 0, 2);
294
0
  } else if (headers_ht) {
295
0
    headers_str = php_mail_build_headers(headers_ht);
296
0
    if (EG(exception)) {
297
0
      RETURN_THROWS();
298
0
    }
299
0
  }
300
301
0
  if (to_len > 0) {
302
0
    to_r = estrndup(to, to_len);
303
0
    for (; to_len; to_len--) {
304
0
      if (!isspace((unsigned char) to_r[to_len - 1])) {
305
0
        break;
306
0
      }
307
0
      to_r[to_len - 1] = '\0';
308
0
    }
309
0
    for (i = 0; to_r[i]; i++) {
310
0
      if (iscntrl((unsigned char) to_r[i])) {
311
        /* According to RFC 822, section 3.1.1 long headers may be separated into
312
         * parts using CRLF followed at least one linear-white-space character ('\t' or ' ').
313
         * To prevent these separators from being replaced with a space, we use the
314
         * SKIP_LONG_HEADER_SEP to skip over them. */
315
0
        SKIP_LONG_HEADER_SEP(to_r, i);
316
0
        to_r[i] = ' ';
317
0
      }
318
0
    }
319
0
  } else {
320
0
    to_r = to;
321
0
  }
322
323
0
  if (subject_len > 0) {
324
0
    subject_r = estrndup(subject, subject_len);
325
0
    for (; subject_len; subject_len--) {
326
0
      if (!isspace((unsigned char) subject_r[subject_len - 1])) {
327
0
        break;
328
0
      }
329
0
      subject_r[subject_len - 1] = '\0';
330
0
    }
331
0
    for (i = 0; subject_r[i]; i++) {
332
0
      if (iscntrl((unsigned char) subject_r[i])) {
333
0
        SKIP_LONG_HEADER_SEP(subject_r, i);
334
0
        subject_r[i] = ' ';
335
0
      }
336
0
    }
337
0
  } else {
338
0
    subject_r = subject;
339
0
  }
340
341
0
  zend_string *force_extra_parameters = zend_ini_str_ex("mail.force_extra_parameters", strlen("mail.force_extra_parameters"), false, NULL);
342
0
  if (force_extra_parameters) {
343
0
    extra_cmd = php_escape_shell_cmd(force_extra_parameters);
344
0
  } else if (extra_cmd) {
345
0
    extra_cmd = php_escape_shell_cmd(extra_cmd);
346
0
  }
347
348
0
  if (php_mail(to_r, subject_r, message, headers_str && ZSTR_LEN(headers_str) ? ZSTR_VAL(headers_str) : NULL, extra_cmd ? ZSTR_VAL(extra_cmd) : NULL)) {
349
0
    RETVAL_TRUE;
350
0
  } else {
351
0
    RETVAL_FALSE;
352
0
  }
353
354
0
  if (headers_str) {
355
0
    zend_string_release_ex(headers_str, 0);
356
0
  }
357
358
0
  if (extra_cmd) {
359
0
    zend_string_release_ex(extra_cmd, 0);
360
0
  }
361
0
  if (to_r != to) {
362
0
    efree(to_r);
363
0
  }
364
0
  if (subject_r != subject) {
365
0
    efree(subject_r);
366
0
  }
367
0
}
368
/* }}} */
369
370
371
0
static void php_mail_log_crlf_to_spaces(char *message) {
372
  /* Find all instances of carriage returns or line feeds and
373
   * replace them with spaces. Thus, a log line is always one line
374
   * long
375
   */
376
0
  char *p = message;
377
0
  while ((p = strpbrk(p, "\r\n"))) {
378
0
    *p = ' ';
379
0
  }
380
0
}
381
382
0
static void php_mail_log_to_syslog(char *message) {
383
  /* Write 'message' to syslog. */
384
0
#ifdef HAVE_SYSLOG_H
385
0
  php_syslog(LOG_NOTICE, "%s", message);
386
0
#endif
387
0
}
388
389
390
0
static void php_mail_log_to_file(char *filename, char *message, size_t message_size) {
391
  /* Write 'message' to the given file. */
392
0
  uint32_t flags = REPORT_ERRORS | STREAM_DISABLE_OPEN_BASEDIR;
393
0
  php_stream *stream = php_stream_open_wrapper(filename, "a", flags, NULL);
394
0
  if (stream) {
395
0
    php_stream_write(stream, message, message_size);
396
0
    php_stream_close(stream);
397
0
  }
398
0
}
399
400
401
0
static int php_mail_detect_multiple_crlf(const char *hdr) {
402
  /* This function detects multiple/malformed multiple newlines. */
403
404
0
  if (!hdr || !strlen(hdr)) {
405
0
    return 0;
406
0
  }
407
408
  /* Should not have any newlines at the beginning. */
409
  /* RFC 2822 2.2. Header Fields */
410
0
  if (*hdr < 33 || *hdr > 126 || *hdr == ':') {
411
0
    return 1;
412
0
  }
413
414
0
  while(*hdr) {
415
0
    if (*hdr == '\r') {
416
0
      if (*(hdr+1) == '\0' || *(hdr+1) == '\r' || (*(hdr+1) == '\n' && (*(hdr+2) == '\0' || *(hdr+2) == '\n' || *(hdr+2) == '\r'))) {
417
        /* Malformed or multiple newlines. */
418
0
        return 1;
419
0
      } else {
420
0
        hdr += 2;
421
0
      }
422
0
    } else if (*hdr == '\n') {
423
0
      if (*(hdr+1) == '\0' || *(hdr+1) == '\r' || *(hdr+1) == '\n') {
424
        /* Malformed or multiple newlines. */
425
0
        return 1;
426
0
      } else {
427
0
        hdr += 2;
428
0
      }
429
0
    } else {
430
0
      hdr++;
431
0
    }
432
0
  }
433
434
0
  return 0;
435
0
}
436
437
438
/* {{{ php_mail */
439
PHPAPI bool php_mail(const char *to, const char *subject, const char *message, const char *headers, const char *extra_cmd)
440
0
{
441
0
  FILE *sendmail;
442
0
  char *sendmail_path = INI_STR("sendmail_path");
443
0
  char *sendmail_cmd = NULL;
444
0
  char *mail_log = INI_STR("mail.log");
445
0
  const char *hdr = headers;
446
0
  char *ahdr = NULL;
447
#if PHP_SIGCHILD
448
  void (*sig_handler)(int) = NULL;
449
#endif
450
451
0
#define MAIL_RET(val) \
452
0
  if (ahdr != NULL) { \
453
0
    efree(ahdr); \
454
0
  } \
455
0
  return val; \
456
0
457
0
  if (mail_log && *mail_log) {
458
0
    char *logline;
459
460
0
    spprintf(&logline, 0, "mail() on [%s:%d]: To: %s -- Headers: %s -- Subject: %s", zend_get_executed_filename(), zend_get_executed_lineno(), to, hdr ? hdr : "", subject);
461
462
0
    if (hdr) {
463
0
      php_mail_log_crlf_to_spaces(logline);
464
0
    }
465
466
0
    if (!strcmp(mail_log, "syslog")) {
467
0
      php_mail_log_to_syslog(logline);
468
0
    } else {
469
      /* Add date when logging to file */
470
0
      char *tmp;
471
0
      time_t curtime;
472
0
      zend_string *date_str;
473
0
      size_t len;
474
475
476
0
      time(&curtime);
477
0
      date_str = php_format_date("d-M-Y H:i:s e", 13, curtime, 1);
478
0
      len = spprintf(&tmp, 0, "[%s] %s%s", date_str->val, logline, PHP_EOL);
479
480
0
      php_mail_log_to_file(mail_log, tmp, len);
481
482
0
      zend_string_free(date_str);
483
0
      efree(tmp);
484
0
    }
485
486
0
    efree(logline);
487
0
  }
488
489
0
  if (EG(exception)) {
490
0
    MAIL_RET(false);
491
0
  }
492
493
0
  char *line_sep = PG(mail_mixed_lf_and_crlf) ? "\n" : "\r\n";
494
495
0
  if (PG(mail_x_header)) {
496
0
    const char *tmp = zend_get_executed_filename();
497
0
    zend_string *f;
498
499
0
    f = php_basename(tmp, strlen(tmp), NULL, 0);
500
501
0
    if (headers != NULL && *headers) {
502
0
      spprintf(&ahdr, 0, "X-PHP-Originating-Script: " ZEND_LONG_FMT ":%s%s%s", php_getuid(), ZSTR_VAL(f), line_sep, headers);
503
0
    } else {
504
0
      spprintf(&ahdr, 0, "X-PHP-Originating-Script: " ZEND_LONG_FMT ":%s", php_getuid(), ZSTR_VAL(f));
505
0
    }
506
0
    hdr = ahdr;
507
0
    zend_string_release_ex(f, 0);
508
0
  }
509
510
0
  if (hdr && php_mail_detect_multiple_crlf(hdr)) {
511
0
    php_error_docref(NULL, E_WARNING, "Multiple or malformed newlines found in additional_header");
512
0
    MAIL_RET(false);
513
0
  }
514
515
0
  if (!sendmail_path) {
516
#ifdef PHP_WIN32
517
    int tsm_err;
518
    char *tsm_errmsg = NULL;
519
520
    /* handle old style win smtp sending */
521
    if (TSendMail(INI_STR("SMTP"), &tsm_err, &tsm_errmsg, hdr, subject, to, message, NULL, NULL, NULL) == FAILURE) {
522
      if (tsm_errmsg) {
523
        php_error_docref(NULL, E_WARNING, "%s", tsm_errmsg);
524
        efree(tsm_errmsg);
525
      } else {
526
        php_error_docref(NULL, E_WARNING, "%s", GetSMErrorText(tsm_err));
527
      }
528
      MAIL_RET(false);
529
    }
530
    MAIL_RET(true);
531
#else
532
0
    MAIL_RET(false);
533
0
#endif
534
0
  }
535
0
  if (extra_cmd != NULL) {
536
0
    spprintf(&sendmail_cmd, 0, "%s %s", sendmail_path, extra_cmd);
537
0
  } else {
538
0
    sendmail_cmd = sendmail_path;
539
0
  }
540
541
#if PHP_SIGCHILD
542
  /* Set signal handler of SIGCHLD to default to prevent other signal handlers
543
   * from being called and reaping the return code when our child exits.
544
   * The original handler needs to be restored after pclose() */
545
  sig_handler = (void *)signal(SIGCHLD, SIG_DFL);
546
  if (sig_handler == SIG_ERR) {
547
    sig_handler = NULL;
548
  }
549
#endif
550
551
#ifdef PHP_WIN32
552
  sendmail = popen_ex(sendmail_cmd, "wb", NULL, NULL);
553
#else
554
  /* Since popen() doesn't indicate if the internal fork() doesn't work
555
   * (e.g. the shell can't be executed) we explicitly set it to 0 to be
556
   * sure we don't catch any older errno value. */
557
0
  errno = 0;
558
0
  sendmail = popen(sendmail_cmd, "w");
559
0
#endif
560
0
  if (extra_cmd != NULL) {
561
0
    efree (sendmail_cmd);
562
0
  }
563
564
0
  if (sendmail) {
565
0
#ifndef PHP_WIN32
566
0
    if (EACCES == errno) {
567
0
      php_error_docref(NULL, E_WARNING, "Permission denied: unable to execute shell to run mail delivery binary '%s'", sendmail_path);
568
0
      pclose(sendmail);
569
#if PHP_SIGCHILD
570
      /* Restore handler in case of error on Windows
571
         Not sure if this applicable on Win but just in case. */
572
      if (sig_handler) {
573
        signal(SIGCHLD, sig_handler);
574
      }
575
#endif
576
0
      MAIL_RET(false);
577
0
    }
578
0
#endif
579
0
    fprintf(sendmail, "To: %s%s", to, line_sep);
580
0
    fprintf(sendmail, "Subject: %s%s", subject, line_sep);
581
0
    if (hdr != NULL) {
582
0
      fprintf(sendmail, "%s%s", hdr, line_sep);
583
0
    }
584
0
    fprintf(sendmail, "%s%s%s", line_sep, message, line_sep);
585
0
    int ret = pclose(sendmail);
586
587
#if PHP_SIGCHILD
588
    if (sig_handler) {
589
      signal(SIGCHLD, sig_handler);
590
    }
591
#endif
592
593
#ifdef PHP_WIN32
594
    if (ret == -1)
595
#else
596
0
#if defined(EX_TEMPFAIL)
597
0
    if ((ret != EX_OK)&&(ret != EX_TEMPFAIL))
598
#elif defined(EX_OK)
599
    if (ret != EX_OK)
600
#else
601
    if (ret != 0)
602
#endif
603
0
#endif
604
0
    {
605
0
      MAIL_RET(false);
606
0
    } else {
607
0
      MAIL_RET(true);
608
0
    }
609
0
  } else {
610
0
    php_error_docref(NULL, E_WARNING, "Could not execute mail delivery program '%s'", sendmail_path);
611
#if PHP_SIGCHILD
612
    if (sig_handler) {
613
      signal(SIGCHLD, sig_handler);
614
    }
615
#endif
616
0
    MAIL_RET(false);
617
0
  }
618
619
0
  MAIL_RET(true); /* never reached */
620
0
}
621
/* }}} */
622
623
/* {{{ PHP_MINFO_FUNCTION */
624
PHP_MINFO_FUNCTION(mail)
625
5
{
626
5
  char *sendmail_path = INI_STR("sendmail_path");
627
628
#ifdef PHP_WIN32
629
  if (!sendmail_path) {
630
    php_info_print_table_row(2, "Internal Sendmail Support for Windows", "enabled");
631
  } else {
632
    php_info_print_table_row(2, "Path to sendmail", sendmail_path);
633
  }
634
#else
635
5
  php_info_print_table_row(2, "Path to sendmail", sendmail_path);
636
5
#endif
637
5
}
638
/* }}} */