1 : /*
2 : +----------------------------------------------------------------------+
3 : | PHP Version 6 |
4 : +----------------------------------------------------------------------+
5 : | Copyright (c) 1997-2009 The PHP Group |
6 : +----------------------------------------------------------------------+
7 : | This source file is subject to version 3.01 of the PHP license, |
8 : | that is bundled with this package in the file LICENSE, and is |
9 : | available through the world-wide-web at the following url: |
10 : | http://www.php.net/license/3_01.txt |
11 : | If you did not receive a copy of the PHP license and are unable to |
12 : | obtain it through the world-wide-web, please send a note to |
13 : | license@php.net so we can mail you a copy immediately. |
14 : +----------------------------------------------------------------------+
15 : | Author: Rasmus Lerdorf <rasmus@php.net> |
16 : +----------------------------------------------------------------------+
17 : */
18 :
19 : /* $Id: mail.c 282505 2009-06-21 15:30:23Z iliaa $ */
20 :
21 : #include <stdlib.h>
22 : #include <ctype.h>
23 : #include <stdio.h>
24 : #include "php.h"
25 : #include "ext/standard/info.h"
26 : #include "ext/standard/php_string.h"
27 : #include "ext/standard/basic_functions.h"
28 :
29 : #if HAVE_SYSEXITS_H
30 : #include <sysexits.h>
31 : #endif
32 : #if HAVE_SYS_SYSEXITS_H
33 : #include <sys/sysexits.h>
34 : #endif
35 :
36 : #if PHP_SIGCHILD
37 : #if HAVE_SIGNAL_H
38 : #include <signal.h>
39 : #endif
40 : #endif
41 :
42 : #include "php_mail.h"
43 : #include "php_ini.h"
44 : #include "exec.h"
45 :
46 : #ifdef PHP_WIN32
47 : #include "win32/sendmail.h"
48 : #endif
49 :
50 : #ifdef NETWARE
51 : #define EX_OK 0 /* successful termination */
52 : #define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */
53 : #endif
54 :
55 : #define SKIP_LONG_HEADER_SEP(str, pos) \
56 : if (str[pos] == '\r' && str[pos + 1] == '\n' && (str[pos + 2] == ' ' || str[pos + 2] == '\t')) { \
57 : pos += 2; \
58 : while (str[pos + 1] == ' ' || str[pos + 1] == '\t') { \
59 : pos++; \
60 : } \
61 : continue; \
62 : } \
63 :
64 : #define MAIL_ASCIIZ_CHECK(str, len) \
65 : p = str; \
66 : e = p + len; \
67 : while ((p = memchr(p, '\0', (e - p)))) { \
68 : *p = ' '; \
69 : } \
70 :
71 : extern long php_getuid(void);
72 :
73 : /* {{{ proto int ezmlm_hash(string addr) U
74 : Calculate EZMLM list hash value. */
75 : PHP_FUNCTION(ezmlm_hash)
76 7 : {
77 7 : char *str = NULL;
78 7 : unsigned int h = 5381;
79 : int j, str_len;
80 :
81 7 : if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s&", &str, &str_len, UG(ascii_conv)) == FAILURE) {
82 5 : return;
83 : }
84 :
85 42 : for (j = 0; j < str_len; j++) {
86 40 : h = (h + (h << 5)) ^ (unsigned long) (unsigned char) tolower(str[j]);
87 : }
88 :
89 2 : h = (h % 53);
90 :
91 2 : RETURN_LONG((int) h);
92 : }
93 : /* }}} */
94 :
95 : /* {{{ proto int mail(string to, string subject, string message [, string additional_headers [, string additional_parameters]])
96 : Send an email message */
97 : PHP_FUNCTION(mail)
98 10 : {
99 10 : char *to=NULL, *message=NULL, *headers=NULL;
100 10 : char *subject=NULL, *extra_cmd=NULL;
101 10 : int to_len, message_len, headers_len = 0;
102 10 : int subject_len, extra_cmd_len = 0, i;
103 10 : char *force_extra_parameters = INI_STR("mail.force_extra_parameters");
104 : char *to_r, *subject_r;
105 : char *p, *e;
106 :
107 10 : if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sss|ss", &to, &to_len, &subject, &subject_len, &message, &message_len,
108 : &headers, &headers_len, &extra_cmd, &extra_cmd_len) == FAILURE
109 : ) {
110 2 : return;
111 : }
112 :
113 : /* ASCIIZ check */
114 8 : MAIL_ASCIIZ_CHECK(to, to_len);
115 8 : MAIL_ASCIIZ_CHECK(subject, subject_len);
116 8 : MAIL_ASCIIZ_CHECK(message, message_len);
117 8 : if (headers) {
118 2 : MAIL_ASCIIZ_CHECK(headers, headers_len);
119 : }
120 8 : if (extra_cmd) {
121 1 : MAIL_ASCIIZ_CHECK(extra_cmd, extra_cmd_len);
122 : }
123 :
124 8 : if (to_len > 0) {
125 8 : to_r = estrndup(to, to_len);
126 8 : for (; to_len; to_len--) {
127 8 : if (!isspace((unsigned char) to_r[to_len - 1])) {
128 8 : break;
129 : }
130 0 : to_r[to_len - 1] = '\0';
131 : }
132 136 : for (i = 0; to_r[i]; i++) {
133 128 : if (iscntrl((unsigned char) to_r[i])) {
134 : /* According to RFC 822, section 3.1.1 long headers may be separated into
135 : * parts using CRLF followed at least one linear-white-space character ('\t' or ' ').
136 : * To prevent these separators from being replaced with a space, we use the
137 : * SKIP_LONG_HEADER_SEP to skip over them. */
138 0 : SKIP_LONG_HEADER_SEP(to_r, i);
139 0 : to_r[i] = ' ';
140 : }
141 : }
142 : } else {
143 0 : to_r = to;
144 : }
145 :
146 8 : if (subject_len > 0) {
147 8 : subject_r = estrndup(subject, subject_len);
148 8 : for (; subject_len; subject_len--) {
149 8 : if (!isspace((unsigned char) subject_r[subject_len - 1])) {
150 8 : break;
151 : }
152 0 : subject_r[subject_len - 1] = '\0';
153 : }
154 104 : for (i = 0; subject_r[i]; i++) {
155 96 : if (iscntrl((unsigned char) subject_r[i])) {
156 0 : SKIP_LONG_HEADER_SEP(subject_r, i);
157 0 : subject_r[i] = ' ';
158 : }
159 : }
160 : } else {
161 0 : subject_r = subject;
162 : }
163 :
164 8 : if (force_extra_parameters) {
165 1 : extra_cmd = php_escape_shell_cmd(force_extra_parameters);
166 7 : } else if (extra_cmd) {
167 1 : extra_cmd = php_escape_shell_cmd(extra_cmd);
168 : }
169 :
170 8 : if (php_mail(to_r, subject_r, message, headers, extra_cmd TSRMLS_CC)) {
171 4 : RETVAL_TRUE;
172 : } else {
173 4 : RETVAL_FALSE;
174 : }
175 :
176 8 : if (extra_cmd) {
177 2 : efree (extra_cmd);
178 : }
179 8 : if (to_r != to) {
180 8 : efree(to_r);
181 : }
182 8 : if (subject_r != subject) {
183 8 : efree(subject_r);
184 : }
185 : }
186 : /* }}} */
187 :
188 : /* {{{ php_mail
189 : */
190 : PHPAPI int php_mail(char *to, char *subject, char *message, char *headers, char *extra_cmd TSRMLS_DC)
191 12 : {
192 : #if (defined PHP_WIN32 || defined NETWARE)
193 : int tsm_err;
194 : char *tsm_errmsg = NULL;
195 : #endif
196 : FILE *sendmail;
197 : int ret;
198 12 : char *sendmail_path = INI_STR("sendmail_path");
199 12 : char *sendmail_cmd = NULL;
200 12 : char *mail_log = INI_STR("mail.log");
201 12 : char *hdr = headers;
202 : #if PHP_SIGCHILD
203 : void (*sig_handler)() = NULL;
204 : #endif
205 :
206 : #define MAIL_RET(val) \
207 : if (hdr != headers) { \
208 : efree(hdr); \
209 : } \
210 : return val; \
211 :
212 12 : if (mail_log) {
213 : char *tmp;
214 0 : int l = spprintf(&tmp, 0, "mail() on [%s:%d]: To: %s -- Headers: %s\n", zend_get_executed_filename(TSRMLS_C), zend_get_executed_lineno(TSRMLS_C), to, hdr ? hdr : "");
215 0 : php_stream *stream = php_stream_open_wrapper(mail_log, "a", IGNORE_URL_WIN | REPORT_ERRORS | STREAM_DISABLE_OPEN_BASEDIR, NULL);
216 :
217 0 : if (hdr) { /* find all \r\n instances and replace them with spaces, so a log line is always one line long */
218 0 : char *p = tmp;
219 0 : while ((p = strpbrk(p, "\r\n"))) {
220 0 : *p = ' ';
221 : }
222 0 : tmp[l - 1] = '\n';
223 : }
224 0 : if (stream) {
225 0 : php_stream_write(stream, tmp, l);
226 0 : php_stream_close(stream);
227 : }
228 0 : efree(tmp);
229 : }
230 12 : if (PG(mail_x_header)) {
231 0 : char *tmp = zend_get_executed_filename(TSRMLS_C);
232 : char *f;
233 : size_t f_len;
234 :
235 0 : php_basename(tmp, strlen(tmp), NULL, 0, &f, &f_len TSRMLS_CC);
236 :
237 0 : if (headers != NULL) {
238 0 : spprintf(&hdr, 0, "X-PHP-Originating-Script: %ld:%s\r\n%s", php_getuid(), f, headers);
239 : } else {
240 0 : spprintf(&hdr, 0, "X-PHP-Originating-Script: %ld:%s\n", php_getuid(), f);
241 : }
242 0 : efree(f);
243 : }
244 :
245 12 : if (!sendmail_path) {
246 : #if (defined PHP_WIN32 || defined NETWARE)
247 : /* handle old style win smtp sending */
248 : if (TSendMail(INI_STR("SMTP"), &tsm_err, &tsm_errmsg, hdr, subject, to, message, NULL, NULL, NULL TSRMLS_CC) == FAILURE) {
249 : if (tsm_errmsg) {
250 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", tsm_errmsg);
251 : efree(tsm_errmsg);
252 : } else {
253 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", GetSMErrorText(tsm_err));
254 : }
255 : MAIL_RET(0);
256 : }
257 : MAIL_RET(1);
258 : #else
259 0 : MAIL_RET(0);
260 : #endif
261 : }
262 12 : if (extra_cmd != NULL) {
263 2 : spprintf(&sendmail_cmd, 0, "%s %s", sendmail_path, extra_cmd);
264 : } else {
265 10 : sendmail_cmd = sendmail_path;
266 : }
267 :
268 : #if PHP_SIGCHILD
269 : /* Set signal handler of SIGCHLD to default to prevent other signal handlers
270 : * from being called and reaping the return code when our child exits.
271 : * The original handler needs to be restored after pclose() */
272 : sig_handler = (void *)signal(SIGCHLD, SIG_DFL);
273 : if (sig_handler == SIG_ERR) {
274 : sig_handler = NULL;
275 : }
276 : #endif
277 :
278 : #ifdef PHP_WIN32
279 : sendmail = popen(sendmail_cmd, "wb");
280 : #else
281 : /* Since popen() doesn't indicate if the internal fork() doesn't work
282 : * (e.g. the shell can't be executed) we explicitely set it to 0 to be
283 : * sure we don't catch any older errno value. */
284 12 : errno = 0;
285 12 : sendmail = popen(sendmail_cmd, "w");
286 : #endif
287 12 : if (extra_cmd != NULL) {
288 2 : efree (sendmail_cmd);
289 : }
290 :
291 12 : if (sendmail) {
292 : #ifndef PHP_WIN32
293 12 : if (EACCES == errno) {
294 0 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "Permission denied: unable to execute shell to run mail delivery binary '%s'", sendmail_path);
295 0 : pclose(sendmail);
296 : #if PHP_SIGCHILD
297 : /* Restore handler in case of error on Windows
298 : Not sure if this applicable on Win but just in case. */
299 : if (sig_handler) {
300 : signal(SIGCHLD, sig_handler);
301 : }
302 : #endif
303 0 : MAIL_RET(0);
304 : }
305 : #endif
306 12 : fprintf(sendmail, "To: %s\n", to);
307 12 : fprintf(sendmail, "Subject: %s\n", subject);
308 12 : if (hdr != NULL) {
309 6 : fprintf(sendmail, "%s\n", hdr);
310 : }
311 12 : fprintf(sendmail, "\n%s\n", message);
312 12 : ret = pclose(sendmail);
313 :
314 : #if PHP_SIGCHILD
315 : if (sig_handler) {
316 : signal(SIGCHLD, sig_handler);
317 : }
318 : #endif
319 :
320 : #ifdef PHP_WIN32
321 : if (ret == -1)
322 : #else
323 : #if defined(EX_TEMPFAIL)
324 12 : if ((ret != EX_OK)&&(ret != EX_TEMPFAIL))
325 : #elif defined(EX_OK)
326 : if (ret != EX_OK)
327 : #else
328 : if (ret != 0)
329 : #endif
330 : #endif
331 : {
332 4 : MAIL_RET(0);
333 : } else {
334 8 : MAIL_RET(1);
335 : }
336 : } else {
337 0 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not execute mail delivery program '%s'", sendmail_path);
338 : #if PHP_SIGCHILD
339 : if (sig_handler) {
340 : signal(SIGCHLD, sig_handler);
341 : }
342 : #endif
343 0 : MAIL_RET(0);
344 : }
345 :
346 : MAIL_RET(1); /* never reached */
347 : }
348 : /* }}} */
349 :
350 : /* {{{ PHP_MINFO_FUNCTION
351 : */
352 : PHP_MINFO_FUNCTION(mail)
353 44 : {
354 44 : char *sendmail_path = INI_STR("sendmail_path");
355 :
356 : #ifdef PHP_WIN32
357 : if (!sendmail_path) {
358 : php_info_print_table_row(2, "Internal Sendmail Support for Windows", "enabled");
359 : } else {
360 : php_info_print_table_row(2, "Path to sendmail", sendmail_path);
361 : }
362 : #else
363 44 : php_info_print_table_row(2, "Path to sendmail", sendmail_path);
364 : #endif
365 44 : }
366 : /* }}} */
367 :
368 : /*
369 : * Local variables:
370 : * tab-width: 4
371 : * c-basic-offset: 4
372 : * End:
373 : * vim600: sw=4 ts=4 fdm=marker
374 : * vim<600: sw=4 ts=4
375 : */
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