/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 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_01.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: mail.c,v 1.1.1.5 2014/06/15 20:03:57 misho Exp $ */
#include <stdlib.h>
#include <ctype.h>
#include <stdio.h>
#include "php.h"
#include "ext/standard/info.h"
#include "ext/standard/php_string.h"
#include "ext/standard/basic_functions.h"
#if HAVE_SYSEXITS_H
#include <sysexits.h>
#endif
#if HAVE_SYS_SYSEXITS_H
#include <sys/sysexits.h>
#endif
#if PHP_SIGCHILD
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
#endif
#include "php_syslog.h"
#include "php_mail.h"
#include "php_ini.h"
#include "php_string.h"
#include "exec.h"
#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 += 2; \
while (str[pos + 1] == ' ' || str[pos + 1] == '\t') { \
pos++; \
} \
continue; \
} \
#define MAIL_ASCIIZ_CHECK(str, len) \
p = str; \
e = p + len; \
while ((p = memchr(p, '\0', (e - p)))) { \
*p = ' '; \
} \
extern long php_getuid(TSRMLS_D);
/* {{{ proto int ezmlm_hash(string addr)
Calculate EZMLM list hash value. */
PHP_FUNCTION(ezmlm_hash)
{
char *str = NULL;
unsigned int h = 5381;
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, *headers_trimmed=NULL;
char *subject=NULL, *extra_cmd=NULL;
int to_len, message_len, headers_len = 0;
int subject_len, extra_cmd_len = 0, i;
char *force_extra_parameters = INI_STR("mail.force_extra_parameters");
char *to_r, *subject_r;
char *p, *e;
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;
}
/* ASCIIZ check */
MAIL_ASCIIZ_CHECK(to, to_len);
MAIL_ASCIIZ_CHECK(subject, subject_len);
MAIL_ASCIIZ_CHECK(message, message_len);
if (headers) {
MAIL_ASCIIZ_CHECK(headers, headers_len);
headers_trimmed = php_trim(headers, headers_len, NULL, 0, NULL, 2 TSRMLS_CC);
}
if (extra_cmd) {
MAIL_ASCIIZ_CHECK(extra_cmd, extra_cmd_len);
}
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 = php_escape_shell_cmd(force_extra_parameters);
} else if (extra_cmd) {
extra_cmd = php_escape_shell_cmd(extra_cmd);
}
if (php_mail(to_r, subject_r, message, headers_trimmed, extra_cmd TSRMLS_CC)) {
RETVAL_TRUE;
} else {
RETVAL_FALSE;
}
if (headers_trimmed) {
efree(headers_trimmed);
}
if (extra_cmd) {
efree (extra_cmd);
}
if (to_r != to) {
efree(to_r);
}
if (subject_r != subject) {
efree(subject_r);
}
}
/* }}} */
void php_mail_log_crlf_to_spaces(char *message) {
/* Find all instances of carriage returns or line feeds and
* replace them with spaces. Thus, a log line is always one line
* long
*/
char *p = message;
while ((p = strpbrk(p, "\r\n"))) {
*p = ' ';
}
}
void php_mail_log_to_syslog(char *message) {
/* Write 'message' to syslog. */
#ifdef HAVE_SYSLOG_H
php_syslog(LOG_NOTICE, "%s", message);
#endif
}
void php_mail_log_to_file(char *filename, char *message, size_t message_size TSRMLS_DC) {
/* Write 'message' to the given file. */
uint flags = IGNORE_URL_WIN | REPORT_ERRORS | STREAM_DISABLE_OPEN_BASEDIR;
php_stream *stream = php_stream_open_wrapper(filename, "a", flags, NULL);
if (stream) {
php_stream_write(stream, message, message_size);
php_stream_close(stream);
}
}
/* {{{ 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;
char *mail_log = INI_STR("mail.log");
char *hdr = headers;
#if PHP_SIGCHILD
void (*sig_handler)() = NULL;
#endif
#define MAIL_RET(val) \
if (hdr != headers) { \
efree(hdr); \
} \
return val; \
if (mail_log && *mail_log) {
char *tmp;
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 : "");
if (hdr) {
php_mail_log_crlf_to_spaces(tmp);
}
if (!strcmp(mail_log, "syslog")) {
/* Drop the final space when logging to syslog. */
tmp[l - 1] = 0;
php_mail_log_to_syslog(tmp);
}
else {
/* Convert the final space to a newline when logging to file. */
tmp[l - 1] = '\n';
php_mail_log_to_file(mail_log, tmp, l TSRMLS_CC);
}
efree(tmp);
}
if (PG(mail_x_header)) {
const char *tmp = zend_get_executed_filename(TSRMLS_C);
char *f;
size_t f_len;
php_basename(tmp, strlen(tmp), NULL, 0,&f, &f_len TSRMLS_CC);
if (headers != NULL) {
spprintf(&hdr, 0, "X-PHP-Originating-Script: %ld:%s\n%s", php_getuid(TSRMLS_C), f, headers);
} else {
spprintf(&hdr, 0, "X-PHP-Originating-Script: %ld:%s", php_getuid(TSRMLS_C), f);
}
efree(f);
}
if (!sendmail_path) {
#if (defined PHP_WIN32 || defined NETWARE)
/* handle old style win smtp sending */
if (TSendMail(INI_STR("SMTP"), &tsm_err, &tsm_errmsg, hdr, 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));
}
MAIL_RET(0);
}
MAIL_RET(1);
#else
MAIL_RET(0);
#endif
}
if (extra_cmd != NULL) {
spprintf(&sendmail_cmd, 0, "%s %s", sendmail_path, extra_cmd);
} else {
sendmail_cmd = sendmail_path;
}
#if PHP_SIGCHILD
/* Set signal handler of SIGCHLD to default to prevent other signal handlers
* from being called and reaping the return code when our child exits.
* The original handler needs to be restored after pclose() */
sig_handler = (void *)signal(SIGCHLD, SIG_DFL);
if (sig_handler == SIG_ERR) {
sig_handler = NULL;
}
#endif
#ifdef PHP_WIN32
sendmail = popen_ex(sendmail_cmd, "wb", NULL, NULL TSRMLS_CC);
#else
/* Since popen() doesn't indicate if the internal fork() doesn't work
* (e.g. the shell can't be executed) we explicitly 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);
#if PHP_SIGCHILD
/* Restore handler in case of error on Windows
Not sure if this applicable on Win but just in case. */
if (sig_handler) {
signal(SIGCHLD, sig_handler);
}
#endif
MAIL_RET(0);
}
#endif
fprintf(sendmail, "To: %s\n", to);
fprintf(sendmail, "Subject: %s\n", subject);
if (hdr != NULL) {
fprintf(sendmail, "%s\n", hdr);
}
fprintf(sendmail, "\n%s\n", message);
ret = pclose(sendmail);
#if PHP_SIGCHILD
if (sig_handler) {
signal(SIGCHLD, sig_handler);
}
#endif
#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
{
MAIL_RET(0);
} else {
MAIL_RET(1);
}
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not execute mail delivery program '%s'", sendmail_path);
#if PHP_SIGCHILD
if (sig_handler) {
signal(SIGCHLD, sig_handler);
}
#endif
MAIL_RET(0);
}
MAIL_RET(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
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
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