php-src/ext/standard/mail.c

296 lines
7.6 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2005 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_0.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Rasmus Lerdorf <rasmus@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include <stdlib.h>
#include <ctype.h>
#include <stdio.h>
#include "php.h"
#include "ext/standard/info.h"
#if HAVE_SYSEXITS_H
#include <sysexits.h>
#endif
#if HAVE_SYS_SYSEXITS_H
#include <sys/sysexits.h>
#endif
#include "php_mail.h"
#include "php_ini.h"
#include "safe_mode.h"
#include "exec.h"
#if HAVE_SENDMAIL
#ifdef PHP_WIN32
#include "win32/sendmail.h"
#endif
#ifdef NETWARE
#define EX_OK 0 /* successful termination */
#define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */
#endif
#define SKIP_LONG_HEADER_SEP(str, pos) \
if (str[pos] == '\r' && str[pos + 1] == '\n' && (str[pos + 2] == ' ' || str[pos + 2] == '\t')) { \
pos += 3; \
while (str[pos] == ' ' || str[pos] == '\t') { \
pos++; \
} \
continue; \
} \
/* {{{ proto int ezmlm_hash(string addr)
Calculate EZMLM list hash value. */
PHP_FUNCTION(ezmlm_hash)
{
char *str = NULL;
unsigned long h = 5381L;
int j, str_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s",
&str, &str_len) == FAILURE) {
return;
}
for (j = 0; j < str_len; j++) {
h = (h + (h << 5)) ^ (unsigned long) (unsigned char) tolower(str[j]);
}
h = (h % 53);
RETURN_LONG((int) h);
}
/* }}} */
/* {{{ proto int mail(string to, string subject, string message [, string additional_headers [, string additional_parameters]])
Send an email message */
PHP_FUNCTION(mail)
{
char *to=NULL, *message=NULL, *headers=NULL;
char *subject=NULL, *extra_cmd=NULL;
int to_len, message_len, headers_len;
int subject_len, extra_cmd_len, i;
char *force_extra_parameters = INI_STR("mail.force_extra_parameters");
char *to_r, *subject_r;
if (PG(safe_mode) && (ZEND_NUM_ARGS() == 5)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "SAFE MODE Restriction in effect. The fifth parameter is disabled in SAFE MODE.");
RETURN_FALSE;
}
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sss|ss",
&to, &to_len,
&subject, &subject_len,
&message, &message_len,
&headers, &headers_len,
&extra_cmd, &extra_cmd_len
) == FAILURE) {
return;
}
if (to_len > 0) {
to_r = estrndup(to, to_len);
for (; to_len; to_len--) {
if (!isspace((unsigned char) to_r[to_len - 1])) {
break;
}
to_r[to_len - 1] = '\0';
}
for (i = 0; to_r[i]; i++) {
if (iscntrl((unsigned char) to_r[i])) {
/* According to RFC 822, section 3.1.1 long headers may be separated into
* parts using CRLF followed at least one linear-white-space character ('\t' or ' ').
* To prevent these separators from being replaced with a space, we use the
* SKIP_LONG_HEADER_SEP to skip over them.
*/
SKIP_LONG_HEADER_SEP(to_r, i);
to_r[i] = ' ';
}
}
} else {
to_r = to;
}
if (subject_len > 0) {
subject_r = estrndup(subject, subject_len);
for (; subject_len; subject_len--) {
if (!isspace((unsigned char) subject_r[subject_len - 1])) {
break;
}
subject_r[subject_len - 1] = '\0';
}
for(i = 0; subject_r[i]; i++) {
if (iscntrl((unsigned char) subject_r[i])) {
SKIP_LONG_HEADER_SEP(subject_r, i);
subject_r[i] = ' ';
}
}
} else {
subject_r = subject;
}
if (force_extra_parameters) {
extra_cmd = estrdup(force_extra_parameters);
} else if (extra_cmd) {
extra_cmd = php_escape_shell_cmd(extra_cmd);
}
if (php_mail(to_r, subject_r, message, headers, extra_cmd TSRMLS_CC)) {
RETVAL_TRUE;
} else {
RETVAL_FALSE;
}
if (extra_cmd) {
efree (extra_cmd);
}
if (to_r != to) {
efree(to_r);
}
if (subject_r != subject) {
efree(subject_r);
}
}
/* }}} */
/* {{{ php_mail
*/
PHPAPI int php_mail(char *to, char *subject, char *message, char *headers, char *extra_cmd TSRMLS_DC)
{
#if (defined PHP_WIN32 || defined NETWARE)
int tsm_err;
char *tsm_errmsg = NULL;
#endif
FILE *sendmail;
int ret;
char *sendmail_path = INI_STR("sendmail_path");
char *sendmail_cmd = NULL;
if (!sendmail_path) {
#if (defined PHP_WIN32 || defined NETWARE)
/* handle old style win smtp sending */
if (TSendMail(INI_STR("SMTP"), &tsm_err, &tsm_errmsg, headers, subject, to, message, NULL, NULL, NULL TSRMLS_CC) == FAILURE) {
if (tsm_errmsg) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", tsm_errmsg);
efree(tsm_errmsg);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", GetSMErrorText(tsm_err));
}
return 0;
}
return 1;
#else
return 0;
#endif
}
if (extra_cmd != NULL) {
sendmail_cmd = emalloc (strlen (sendmail_path) + strlen (extra_cmd) + 2);
strcpy (sendmail_cmd, sendmail_path);
strcat (sendmail_cmd, " ");
strcat (sendmail_cmd, extra_cmd);
} else {
sendmail_cmd = sendmail_path;
}
#ifdef PHP_WIN32
sendmail = popen(sendmail_cmd, "wb");
#else
/* Since popen() doesn't indicate if the internal fork() doesn't work
* (e.g. the shell can't be executed) we explicitely set it to 0 to be
* sure we don't catch any older errno value. */
errno = 0;
sendmail = popen(sendmail_cmd, "w");
#endif
if (extra_cmd != NULL)
efree (sendmail_cmd);
if (sendmail) {
#ifndef PHP_WIN32
if (EACCES == errno) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Permission denied: unable to execute shell to run mail delivery binary '%s'", sendmail_path);
pclose(sendmail);
return 0;
}
#endif
fprintf(sendmail, "To: %s\n", to);
fprintf(sendmail, "Subject: %s\n", subject);
if (headers != NULL) {
fprintf(sendmail, "%s\n", headers);
}
fprintf(sendmail, "\n%s\n", message);
ret = pclose(sendmail);
#ifdef PHP_WIN32
if (ret == -1)
#else
#if defined(EX_TEMPFAIL)
if ((ret != EX_OK)&&(ret != EX_TEMPFAIL))
#elif defined(EX_OK)
if (ret != EX_OK)
#else
if (ret != 0)
#endif
#endif
{
return 0;
} else {
return 1;
}
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not execute mail delivery program '%s'", sendmail_path);
return 0;
}
return 1; /* never reached */
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(mail)
{
char *sendmail_path = INI_STR("sendmail_path");
#ifdef PHP_WIN32
if (!sendmail_path) {
php_info_print_table_row(2, "Internal Sendmail Support for Windows", "enabled");
} else {
php_info_print_table_row(2, "Path to sendmail", sendmail_path);
}
#else
php_info_print_table_row(2, "Path to sendmail", sendmail_path);
#endif
}
/* }}} */
#else
PHP_FUNCTION(mail) {}
PHP_MINFO_FUNCTION(mail) {}
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/