/**
* imap_general.php
*
- * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Copyright (c) 1999-2003 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This implements all functions that do general imap functions.
*/
require_once(SM_PATH . 'functions/page_header.php');
+require_once(SM_PATH . 'functions/auth.php');
+
global $sqimap_session_id;
$sqimap_session_id = 1;
function sqimap_session_id($unique_id = false) {
global $data_dir, $username, $sqimap_session_id;
if (!$unique_id) {
- return( sprintf("A%03d", $sqimap_session_id++) );
+ return( sprintf("A%03d", $sqimap_session_id++) );
} else {
- return( sprintf("A%03d", $sqimap_session_id++) . ' UID' );
+ return( sprintf("A%03d", $sqimap_session_id++) . ' UID' );
}
}
* This is to allow proper session number handling.
*/
function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
- $sid = sqimap_session_id($unique_id);
- fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
- $read = sqimap_read_data_list ($imap_stream, $sid, $handle_errors, $response, $message, $query );
- return $read;
+ if ($imap_stream) {
+ $sid = sqimap_session_id($unique_id);
+ fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
+ $read = sqimap_read_data_list ($imap_stream, $sid, $handle_errors, $response, $message, $query );
+ return $read;
+ } else {
+ global $squirrelmail_language, $color;
+ set_up_language($squirrelmail_language);
+ require_once(SM_PATH . 'functions/display_messages.php');
+ $string = "<b><font color=$color[2]>\n" .
+ _("ERROR : No available imapstream.") .
+ "</b></font>\n";
+ error_box($string,$color);
+ return false;
+ }
+
}
function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
- $sid = sqimap_session_id($unique_id);
- fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
- $read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, $message, $query);
- return $read;
+ if ($imap_stream) {
+ $sid = sqimap_session_id($unique_id);
+ fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
+ $read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, $message, $query);
+ return $read;
+ } else {
+ global $squirrelmail_language, $color;
+ set_up_language($squirrelmail_language);
+ require_once(SM_PATH . 'functions/display_messages.php');
+ $string = "<b><font color=$color[2]>\n" .
+ _("ERROR : No available imapstream.") .
+ "</b></font>\n";
+ error_box($string,$color);
+ return false;
+ }
+
}
$read = '';
$buffer = 4096;
$results = '';
- while (strpos($read, "\n") === false) {
+ $offset = 0;
+ while (strpos($results, "\r\n", $offset) === false) {
if (!($read = fgets($imap_stream, $buffer))) {
break;
}
+ if ( $results != '' ) {
+ $offset = strlen($results) - 1;
+ }
$results .= $read;
}
return $results;
/* ignore this error from M$ exchange, it is not fatal (aka bug) */
if (strstr($message, 'command resulted in') === false) {
set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
+ require_once(SM_PATH . 'functions/display_messages.php');
+ $string = "<b><font color=$color[2]>\n" .
_("ERROR : Could not complete request.") .
"</b><br>\n" .
- _("Query:") .
- $query . '<br>' .
+ _("Query:") . ' ' .
+ htmlspecialchars($query) . '<br>' .
_("Reason Given: ") .
- $message . "</font><br>\n";
- error_box($string,$color);
+ htmlspecialchars($message) . "</font><br>\n";
+ error_box($string,$color);
exit;
}
}
elseif ($response == 'BAD') {
set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
+ require_once(SM_PATH . 'functions/display_messages.php');
$string = "<b><font color=$color[2]>\n" .
_("ERROR : Bad or malformed request.") .
"</b><br>\n" .
- _("Query:") .
- $query . '<br>' .
+ _("Query:") . ' '.
+ htmlspecialchars($query) . '<br>' .
_("Server responded: ") .
- $message . "</font><br>\n";
- error_box($string,$color);
+ htmlspecialchars($message) . "</font><br>\n";
+ error_box($string,$color);
exit;
}
else {
* will be displayed. This function returns the imap connection handle.
*/
function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
- global $color, $squirrelmail_language, $onetimepad;
+ global $color, $squirrelmail_language, $onetimepad, $use_imap_tls, $imap_auth_mech;
+ if (!isset($onetimepad) || empty($onetimepad)) {
+ sqgetglobalvar('onetimepad' , $onetimepad , SQ_SESSION );
+ }
$imap_server_address = sqimap_get_user_server($imap_server_address, $username);
-
+ $host=$imap_server_address;
+
+ if (($use_imap_tls == true) and (check_php_version(4,3)) and (extension_loaded('openssl'))) {
+ /* Use TLS by prefixing "tls://" to the hostname */
+ $imap_server_address = 'tls://' . $imap_server_address;
+ }
+
$imap_stream = fsockopen ( $imap_server_address, $imap_port, $error_number, $error_string, 15);
- if ( !$imap_stream ) {
- return false;
- }
- $server_info = fgets ($imap_stream, 1024);
-
- /* Decrypt the password */
- $password = OneTimePadDecrypt($password, $onetimepad);
/* Do some error correction */
if (!$imap_stream) {
if (!$hide) {
set_up_language($squirrelmail_language, true);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = sprintf (_("Error connecting to IMAP server: %s.") .
- "<br>\r\n", $imap_server_address) .
+ require_once(SM_PATH . 'functions/display_messages.php');
+ $string = sprintf (_("Error connecting to IMAP server: %s.") .
+ "<br>\r\n", $imap_server_address) .
"$error_number : $error_string<br>\r\n";
- error_box($string,$color);
+ logout_error($string,$color);
}
exit;
}
- $query = 'LOGIN "' . quoteIMAP($username) . '" "' . quoteIMAP($password) . '"';
- $read = sqimap_run_command ($imap_stream, $query, false, $response, $message);
+ $server_info = fgets ($imap_stream, 1024);
+
+ /* Decrypt the password */
+ $password = OneTimePadDecrypt($password, $onetimepad);
- /* If the connection was not successful, lets see why */
+ if (($imap_auth_mech == 'cram-md5') OR ($imap_auth_mech == 'digest-md5')) {
+ // We're using some sort of authentication OTHER than plain or login
+ $tag=sqimap_session_id(false);
+ if ($imap_auth_mech == 'digest-md5') {
+ $query = $tag . " AUTHENTICATE DIGEST-MD5\r\n";
+ } elseif ($imap_auth_mech == 'cram-md5') {
+ $query = $tag . " AUTHENTICATE CRAM-MD5\r\n";
+ }
+ fputs($imap_stream,$query);
+ $answer=sqimap_fgets($imap_stream);
+ // Trim the "+ " off the front
+ $response=explode(" ",$answer,3);
+ if ($response[0] == '+') {
+ // Got a challenge back
+ $challenge=$response[1];
+ if ($imap_auth_mech == 'digest-md5') {
+ $reply = digest_md5_response($username,$password,$challenge,'imap',$host);
+ } elseif ($imap_auth_mech == 'cram-md5') {
+ $reply = cram_md5_response($username,$password,$challenge);
+ }
+ fputs($imap_stream,$reply);
+ $read=sqimap_fgets($imap_stream);
+ if ($imap_auth_mech == 'digest-md5') {
+ // DIGEST-MD5 has an extra step..
+ if (substr($read,0,1) == '+') { // OK so far..
+ fputs($imap_stream,"\r\n");
+ $read=sqimap_fgets($imap_stream);
+ }
+ }
+ $results=explode(" ",$read,3);
+ $response=$results[1];
+ $message=$results[2];
+ } else {
+ // Fake the response, so the error trap at the bottom will work
+ $response="BAD";
+ $message='IMAP server does not appear to support the authentication method selected.';
+ $message .= ' Please contact your system administrator.';
+ }
+ } elseif ($imap_auth_mech == 'login') {
+ // Original IMAP login code
+ $query = 'LOGIN "' . quoteimap($username) . '" "' . quoteimap($password) . '"';
+ $read = sqimap_run_command ($imap_stream, $query, false, $response, $message);
+ } elseif ($imap_auth_mech == 'plain') {
+ /* Replace this with SASL PLAIN if it ever gets implemented */
+ $response="BAD";
+ $message='SquirrelMail does not support SASL PLAIN yet. Rerun conf.pl and use login instead.';
+ } else {
+ $response="BAD";
+ $message="Internal SquirrelMail error - unknown IMAP authentication method chosen. Please contact the developers.";
+ }
+
+ /* If the connection was not successful, lets see why */
if ($response != 'OK') {
if (!$hide) {
if ($response != 'NO') {
/* "BAD" and anything else gets reported here. */
+ $message = htmlspecialchars($message);
set_up_language($squirrelmail_language, true);
- require_once(SM_PATH . 'functions/display_messages.php');
+ require_once(SM_PATH . 'functions/display_messages.php');
if ($response == 'BAD') {
$string = sprintf (_("Bad request: %s")."<br>\r\n", $message);
} else {
$string = sprintf (_("Unknown error: %s") . "<br>\n", $message);
}
- $string .= '<br>' . _("Read data:") . "<br>\n";
- if (is_array($read)) {
+ if (isset($read) && is_array($read)) {
+ $string .= '<br>' . _("Read data:") . "<br>\n";
foreach ($read as $line) {
$string .= htmlspecialchars($line) . "<br>\n";
}
}
- error_box($string,$color);
+ error_box($string,$color);
exit;
} else {
/*
set_up_language($squirrelmail_language, true);
include_once(SM_PATH . 'functions/display_messages.php' );
- sqsession_destroy();
+ sqsession_destroy();
logout_error( _("Unknown user or password incorrect.") );
exit;
}
/* Simply logs out the IMAP session */
function sqimap_logout ($imap_stream) {
- /* Logout is not valid until the server returns 'BYE' */
- sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message);
+ /* Logout is not valid until the server returns 'BYE'
+ * If we don't have an imap_ stream we're already logged out */
+ if(isset($imap_stream) && $imap_stream)
+ sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message);
}
function sqimap_capability($imap_stream, $capability='') {
}
}
if ($capability) {
- if (isset($sqimap_capabilities[$capability])) {
- return $sqimap_capabilities[$capability];
- } else {
- return false;
- }
+ if (isset($sqimap_capabilities[$capability])) {
+ return $sqimap_capabilities[$capability];
+ } else {
+ return false;
+ }
}
return $sqimap_capabilities;
}
}
-/* Returns a displayable email address.
- * Luke Ehresman <lehresma@css.tayloru.edu>
- * "Luke Ehresman" <lehresma@css.tayloru.edu>
- * <lehresma@css.tayloru.edu>
- * lehresma@css.tayloru.edu (Luke Ehresman)
- * lehresma@css.tayloru.edu
- * becomes: lehresma@css.tayloru.edu
- */
-function sqimap_find_email ($string) {
- if (ereg("<([^>]+)>", $string, $regs)) {
- $string = $regs[1];
- } else if (ereg("([^ ]+@[^ ]+)", $string, $regs)) {
- $string = $regs[1];
+function parseAddress($address, $max=0, $addr_ar = array(), $group = '', $host='') {
+ $pos = 0;
+ $j = strlen($address);
+ $personal = '';
+ $addr = '';
+ $comment = '';
+ if ($max && $max = count($addr_ar)) {
+ return $addr_ar;
}
- return trim($string);
-}
-
-
-/*
- * Takes the From: field and creates a displayable name.
- * Luke Ehresman <lkehresman@yahoo.com>
- * "Luke Ehresman" <lkehresman@yahoo.com>
- * lkehresman@yahoo.com (Luke Ehresman)
- * becomes: Luke Ehresman
- * <lkehresman@yahoo.com>
- * becomes: lkehresman@yahoo.com
- */
-function sqimap_find_displayable_name ($string) {
- $string = trim($string);
-
- if ( ereg('^(.+)<.*>', $string, $regs) ) {
- $orig_string = $string;
- $string = str_replace ('"', '', $regs[1] );
- if (trim($string) == '') {
- $string = sqimap_find_email($orig_string);
+ while ($pos < $j) {
+ if ($max && $max = count($addr_ar)) {
+ return $addr_ar;
}
- if( $string == '' || $string == ' ' ){
- $string = ' ';
+ $char = $address{$pos};
+ switch ($char) {
+ case '=':
+ if (preg_match('/^(=\?([^?]*)\?(Q|B)\?([^?]*)\?=)(.*)/Ui',substr($address,$pos),$reg)) {
+ if (!$personal) {
+ $personal = substr($address,0,$pos);
+ }
+ $personal .= $reg[1];
+ $pos += strlen($personal);
+ }
+ ++$pos;
+ break;
+ case '"': /* get the personal name */
+ ++$pos;
+ if ($address{$pos} == '"') {
+ ++$pos;
+ } else {
+ $personal_start = $personal_end = $pos;
+ while ($pos < $j) {
+ $personal_end = strpos($address,'"',$pos);
+ if (($personal_end-2)>0 && (substr($address,$personal_end-2,2) === '\\"' ||
+ substr($address,$personal_end-2,2) === '\\\\')) {
+ $pos = $personal_end+1;
+ } else {
+ $personal = substr($address,$personal_start,$personal_end-$personal_start);
+ break;
+ }
+ }
+ if ($personal_end) { /* prohibit endless loops due to very wrong addresses */
+ $pos = $personal_end+1;
+ } else {
+ $pos = $j;
+ }
+ }
+ break;
+ case '<': /* get email address */
+ $addr_start = $pos;
+ $addr_end = strpos($address,'>',$addr_start);
+ $addr = substr($address,$addr_start+1,$addr_end-$addr_start-1);
+ $pos = $addr_end+1;
+ break;
+ case '(': /* rip off comments */
+ $addr_start = $pos;
+ $pos = strpos($address,')');
+ if ($pos !== false) {
+ $comment = substr($address, $addr_start+1,($pos-$addr_start-1));
+ $address_start = substr($address, 0, $addr_start);
+ $address_end = substr($address, $pos + 1);
+ $address = $address_start . $address_end;
+ }
+ $j = strlen($address);
+ $pos = $addr_start + 1;
+ break;
+ case ',': /* we reached a delimiter */
+ if ($addr == '') {
+ $addr = substr($address, 0, $pos);
+ } else if ($personal == '') {
+ $personal = trim(substr($address, 0, $addr_start));
+ }
+ if (!$personal && $comment) $personal = $comment;
+ if ($personal) $personal = decodeHeader($personal);
+ $addr_ar[] = array($addr,$personal);
+ $address = trim(substr($address, $pos+1));
+ $j = strlen($address);
+ $pos = 0;
+ $personal = '';
+ $addr = '';
+ break;
+ case ':': /* process the group addresses */
+ /* group marker */
+ $group = substr($address, 0, $pos);
+ $address = substr($address, $pos+1);
+ $result = parseAddress($address, $max, $addr_ar, $group);
+ $addr_ar = $result[0];
+ $pos = $result[1];
+ $address = substr($address, $pos++);
+ $j = strlen($address);
+ $group = '';
+ break;
+ case ';':
+ if ($group) {
+ $address = substr($address, 0, $pos - 1);
+ }
+ ++$pos;
+ break;
+ default:
+ ++$pos;
+ break;
}
}
- elseif ( ereg('\((.*)\)', $string, $regs) ) {
- if( ( $regs[1] == '' ) || ( $regs[1] == ' ' ) ){
- if ( ereg('^(.+) \(', $string, $regs) ) {
- $string = ereg_replace( ' \(\)$', '', $string );
- } else {
- $string = ' ';
- }
- } else {
- $string = $regs[1];
- }
+ if ($addr == '') {
+ $addr = substr($address, 0, $pos);
+ } else if ($personal == '') {
+ $personal = trim(substr($address, 0, $addr_start));
}
- else {
- $string = str_replace ('"', '', sqimap_find_email($string));
+ if (!$personal && $comment) $personal = $comment;
+ $email = $addr;
+ if ($group && $addr == '') { /* no addresses found in group */
+ $personal = $group;
+ $addr_ar[] = array('',$personal);
+ return (array($addr_ar,$pos+1 ));
+ } elseif ($group) {
+ $addr_ar[] = array($addr,$personal);
+ return (array($addr_ar,$pos+1 ));
+ } else {
+ if ($personal || $addr) {
+ $addr_ar[] = array($addr, $personal);
+ }
}
-
- return trim($string);
+ return ($addr_ar);
}
/*
* Returns the number of unseen/total messages in this folder
*/
function sqimap_status_messages ($imap_stream, $mailbox) {
- $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (MESSAGES UNSEEN)", false, $result, $message);
+ $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (MESSAGES UNSEEN RECENT)", false, $result, $message);
$i = 0;
- $messages = $unseen = false;
+ $messages = $unseen = $recent = false;
$regs = array(false,false);
while (isset($read_ary[$i])) {
if (preg_match('/UNSEEN\s+([0-9]+)/i', $read_ary[$i], $regs)) {
- $unseen = $regs[1];
- }
+ $unseen = $regs[1];
+ }
if (preg_match('/MESSAGES\s+([0-9]+)/i', $read_ary[$i], $regs)) {
- $messages = $regs[1];
- }
+ $messages = $regs[1];
+ }
+ if (preg_match('/RECENT\s+([0-9]+)/i', $read_ary[$i], $regs)) {
+ $recent = $regs[1];
+ }
$i++;
}
- return array('MESSAGES' => $messages, 'UNSEEN'=>$unseen);
+ return array('MESSAGES' => $messages, 'UNSEEN'=>$unseen, 'RECENT' => $recent);
}
$tmp = fgets ($imap_stream, 1024);
}
-function sqimap_append_done ($imap_stream) {
+function sqimap_append_done ($imap_stream, $folder='') {
global $squirrelmail_language, $color;
fputs ($imap_stream, "\r\n");
$tmp = fgets ($imap_stream, 1024);
if (preg_match("/(.*)(BAD|NO)(.*)$/", $tmp, $regs)) {
set_up_language($squirrelmail_language);
require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Bad or malformed request.") .
- "</b><br>\n" .
- _("Server responded: ") .
- $tmp . "</font><br>\n";
- error_box($string,$color);
- exit;
+ $reason = $regs[3];
+ if ($regs[2] == 'NO') {
+ $string = "<b><font color=$color[2]>\n" .
+ _("ERROR : Could not append message to") ." $folder." .
+ "</b><br>\n" .
+ _("Server responded: ") .
+ $reason . "<br>\n";
+ if (preg_match("/(.*)(quota)(.*)$/i", $reason, $regs)) {
+ $string .= _("Solution: ") .
+ _("Remove unneccessary messages from your folder and start with your Trash folder.")
+ ."<br>\n";
+ }
+ $string .= "</font>\n";
+ error_box($string,$color);
+ } else {
+ $string = "<b><font color=$color[2]>\n" .
+ _("ERROR : Bad or malformed request.") .
+ "</b><br>\n" .
+ _("Server responded: ") .
+ $tmp . "</font><br>\n";
+ error_box($string,$color);
+ exit;
+ }
}
}
projects / squirrelmail.git / blobdiff