root/ext/standard/mail.c

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DEFINITIONS

This source file includes following definitions.
  1. PHP_FUNCTION
  2. PHP_FUNCTION
  3. php_mail
  4. PHP_MINFO_FUNCTION

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2008 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 1.87.2.1.2.9 2007/12/31 07:20:12 sebastian Exp $ */

#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"

#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 = ' ';                               \
        }                                               \


/* {{{ 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;
        char *p, *e;

        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;
        }

        /* 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);
        }
        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, 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) {
                spprintf(&sendmail_cmd, 0, "%s %s", sendmail_path, 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
}
/* }}} */

/*
 * 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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