/**
* 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.
* $Id$
*/
-require_once('../functions/page_header.php');
+require_once(SM_PATH . 'functions/page_header.php');
+require_once(SM_PATH . 'functions/auth.php');
+
global $sqimap_session_id;
$sqimap_session_id = 1;
* This is to allow proper session number handling.
*/
function sqimap_run_command_list ($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;
+ }
+
}
+/*
+ * custom fgets function. gets a line from IMAP
+ * no matter how big it may be
+ */
+
+function sqimap_fgets($imap_stream) {
+ $read = '';
+ $buffer = 4096;
+ $results = '';
+ $offset = 0;
+ while (strpos($results, "\r\n", $offset) === false) {
+ if (!($read = fgets($imap_stream, $buffer))) {
+ break;
+ }
+ if ( $results != '' ) {
+ $offset = strlen($results) - 1;
+ }
+ $results .= $read;
+ }
+ return $results;
+}
+
/*
* Reads the output from the IMAP stream. If handle_errors is set to true,
* this will also handle all errors that are received. If it is not set,
* the errors will be sent back through $response and $message
*/
+
function sqimap_read_data_list ($imap_stream, $pre, $handle_errors, &$response, &$message, $query = '') {
global $color, $squirrelmail_language;
-
$read = '';
- $bufsize = 9096;
- $resultlist = array();
$pre_a = explode(' ',trim($pre));
$pre = $pre_a[0];
- $more_msgs = true;
- while ($more_msgs) {
- $data = array();
- $total_size = 0;
-
- while (strpos($read, "\n") === false) {
- if(!($read .= fgets($imap_stream, $bufsize))) {
- break;
- }
- }
- if (preg_match('/^\* [0-9]+ FETCH.*\{([0-9]+)\}/', $read, $regs)) {
- $size = $regs[1];
- } else if (preg_match('/^\* [0-9]+ FETCH/', $read, $regs)) {
- /* Sizeless response, probably single-line */
- $size = -1;
- $data[] = $read;
- $read = fgets($imap_stream, $bufsize);
- } else {
- $size = -1;
- }
- while (1) {
- while (strpos($read, "\n") === false) {
- if(!($read .= fgets($imap_stream, $bufsize))) {
- break;
+ $resultlist = array();
+ $data = array();
+ $read = sqimap_fgets($imap_stream);
+ while (1) {
+ switch (true) {
+ case preg_match("/^$pre (OK|BAD|NO)(.*)$/", $read, $regs):
+ case preg_match('/^\* (BYE \[ALERT\])(.*)$/', $read, $regs):
+ $response = $regs[1];
+ $message = trim($regs[2]);
+ break 2;
+ case preg_match("/^\* (OK \[PARSE\])(.*)$/", $read):
+ $read = sqimap_fgets($imap_stream);
+ break 1;
+ case preg_match('/^\* ([0-9]+) FETCH.*/', $read, $regs):
+ $fetch_data = array();
+ $fetch_data[] = $read;
+ $read = sqimap_fgets($imap_stream);
+ while (!preg_match('/^\* [0-9]+ FETCH.*/', $read) &&
+ !preg_match("/^$pre (OK|BAD|NO)(.*)$/", $read)) {
+ $fetch_data[] = $read;
+ $last = $read;
+ $read = sqimap_fgets($imap_stream);
}
- }
- /* If we know the size, no need to look at the end parameters */
- /* In case of a totalsize > size we do have to look at the end
- parameters because there can exists literals inside bodystructures.
- */
- if ($size > 0) {
- if ($total_size == $size) {
- /* We've reached the end of this 'message', switch to the next one. */
- $data[] = $read;
- break;
- } else if ($total_size > $size) {
- $size = -1; /* switch to end parameters in case of literals inside a bodystructure */
- $difference = $total_size - $size;
- $total_size = $total_size - strlen($read);
- $data[] = substr ($read, 0, strlen($read)-$difference);
- $read = substr ($read, strlen($read)-$difference, strlen($read));
- } else {
- $data[] = $read;
- $read = fgets($imap_stream, $bufsize);
- while (strpos($read, "\n") === false) {
- $read .= fgets($imap_stream, $bufsize);
- }
+ if (isset($last) && preg_match('/^\)/', $last)) {
+ array_pop($fetch_data);
}
- $total_size += strlen($read);
- } else {
- if (preg_match("/^$pre (OK|BAD|NO)(.*)/", $read, $regs) ||
- (($size == -1) && preg_match('/^\* [0-9]+ FETCH.*/', $read, $regs))) {
- break;
- } else if ( preg_match('/^\* OK \[PARSE.*/', $read, $regs ) ) {
- /*
- * This block has been added in order to avoid the problem
- * caused by the * OK [PARSE] Missing parameter answer
- * Please, replace it with a better parsing if you know how.
- * This block has been updated by
- * Seth E. Randall <sethr@missoulafcu.org>. Once we see
- * one OK [PARSE line, we just go through and keep
- * tossing them out until we get something different.
- */
- while ( preg_match('/^\* OK \[PARSE.*/', $read, $regs ) ) {
- $read = fgets($imap_stream, $bufsize);
- }
- $data[] = $read;
- $read = fgets ($imap_stream, $bufsize);
- } else if (preg_match('/^\* BYE \[ALERT\](.*)/', $read, $regs)) {
- /*
- * It seems that the IMAP server has coughed up a lung
- * and hung up the connection. Print any info we have
- * and abort.
- */
- echo _("Please contact your system administrator and report the following error:") . "<br>\n";
- echo $regs[1];
- exit;
- } else {
- $data[] = $read;
- $read = fgets ($imap_stream, $bufsize);
- }
- }
- }
-
- while (($more_msgs = !preg_match("/^$pre (OK|BAD|NO)(.*)$/", $read, $regs)) &&
- !preg_match("/^\* [0-9]+ FETCH.*/", $read, $regs)) {
- $read = fgets($imap_stream, $bufsize);
+ $resultlist[] = $fetch_data;
+ break 1;
+ default:
+ $data[] = $read;
+ $read = sqimap_fgets($imap_stream);
+ break 1;
}
+ }
+ if (!empty($data)) {
$resultlist[] = $data;
}
-
- $response = $regs[1];
- $message = trim($regs[2]);
-
+ elseif (empty($resultlist)) {
+ $resultlist[] = array();
+ }
if ($handle_errors == false) {
return( $resultlist );
- } else if ($response == 'NO') {
- /* ignore this error from M$ exchange, it is not fatal (aka bug) */
+ }
+ elseif ($response == 'NO') {
+ /* ignore this error from M$ exchange, it is not fatal (aka bug) */
if (strstr($message, 'command resulted in') === false) {
set_up_language($squirrelmail_language);
- echo "<br><b><font color=$color[2]>\n" .
- _("ERROR : Could not complete request.") .
- "</b><br>\n" .
- _("Query:") .
- $query . '<br>' .
- _("Reason Given: ") .
- $message . "</font><br>\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:") . ' ' .
+ htmlspecialchars($query) . '<br>' .
+ _("Reason Given: ") .
+ htmlspecialchars($message) . "</font><br>\n";
+ error_box($string,$color);
exit;
}
- } else if ($response == 'BAD') {
+ }
+ elseif ($response == 'BAD') {
set_up_language($squirrelmail_language);
- echo "<br><b><font color=$color[2]>\n" .
- _("ERROR : Bad or malformed request.") .
- "</b><br>\n" .
- _("Query:") .
- $query . '<br>' .
- _("Server responded: ") .
- $message . "</font><br>\n";
+ require_once(SM_PATH . 'functions/display_messages.php');
+ $string = "<b><font color=$color[2]>\n" .
+ _("ERROR : Bad or malformed request.") .
+ "</b><br>\n" .
+ _("Query:") . ' '.
+ htmlspecialchars($query) . '<br>' .
+ _("Server responded: ") .
+ htmlspecialchars($message) . "</font><br>\n";
+ error_box($string,$color);
exit;
- } else {
+ }
+ else {
return $resultlist;
}
}
function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message, $query = '') {
$res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message, $query);
- return $res[0];
+
+ /* sqimap_read_data should be called for one response
+ but since it just calls sqimap_read_data_list which
+ handles multiple responses we need to check for that
+ and merge the $res array IF they are seperated and
+ IF it was a FETCH response. */
+
+ if (isset($res[1]) && is_array($res[1]) && isset($res[1][0])
+ && preg_match('/^\* \d+ FETCH/', $res[1][0])) {
+ $result = array();
+ foreach($res as $index=>$value) {
+ $result = array_merge($result, $res["$index"]);
+ }
+ }
+ if (isset($result)) {
+ return $result;
+ }
+ else {
+ return $res[0];
+ }
+
}
/*
* will be displayed. This function returns the imap connection handle.
*/
function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
- global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
-
+ global $color, $squirrelmail_language, $onetimepad, $use_imap_tls, $imap_auth_mech;
+
+ $imap_server_address = sqimap_get_user_server($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);
- printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
- echo "$error_number : $error_string<br>\r\n";
+ require_once(SM_PATH . 'functions/display_messages.php');
+ $string = sprintf (_("Error connecting to IMAP server: %s.") .
+ "<br>\r\n", $imap_server_address) .
+ "$error_number : $error_string<br>\r\n";
+ logout_error($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);
- /* If the connection was not successful, lets see why */
+ /* Decrypt the password */
+ $password = OneTimePadDecrypt($password, $onetimepad);
+
+ if (($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($squirrelmail_language, true);
+ require_once(SM_PATH . 'functions/display_messages.php');
if ($response == 'BAD') {
- printf (_("Bad request: %s")."<br>\r\n", $message);
+ $string = sprintf (_("Bad request: %s")."<br>\r\n", $message);
} else {
- printf (_("Unknown error: %s") . "<br>\n", $message);
+ $string = sprintf (_("Unknown error: %s") . "<br>\n", $message);
}
- echo '<br>' . _("Read data:") . "<br>\n";
- if (is_array($read)) {
+ if (isset($read) && is_array($read)) {
+ $string .= '<br>' . _("Read data:") . "<br>\n";
foreach ($read as $line) {
- echo htmlspecialchars($line) . "<br>\n";
+ $string .= htmlspecialchars($line) . "<br>\n";
}
}
+ error_box($string,$color);
exit;
} else {
/*
*/
set_up_language($squirrelmail_language, true);
- include_once( '../functions/display_messages.php' );
- logout_error( _("Unknown user or password incorrect.") );
- session_destroy();
+ include_once(SM_PATH . 'functions/display_messages.php' );
+ sqsession_destroy();
+ logout_error( _("Unknown user or password incorrect.") );
exit;
}
} else {
/* Simply logs out the IMAP session */
function sqimap_logout ($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, $capability='') {
/* Gets the number of messages in the current mailbox. */
function sqimap_get_num_messages ($imap_stream, $mailbox) {
- $read_ary = sqimap_run_command ($imap_stream, "EXAMINE \"$mailbox\"", true, $result, $message);
+ $read_ary = sqimap_run_command ($imap_stream, "EXAMINE \"$mailbox\"", false, $result, $message);
for ($i = 0; $i < count($read_ary); $i++) {
if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
return $regs[1];
}
}
- return "BUG! Couldn't get number of messages in $mailbox!";
+ return false; //"BUG! Couldn't get number of messages in $mailbox!";
}
$string = sqimap_find_email($orig_string);
}
if( $string == '' || $string == ' ' ){
- $string = ' ';
+ $string = ' ';
}
}
elseif ( ereg('\((.*)\)', $string, $regs) ) {
if ( ereg('^(.+) \(', $string, $regs) ) {
$string = ereg_replace( ' \(\)$', '', $string );
} else {
- $string = ' ';
+ $string = ' ';
}
} else {
$string = $regs[1];
* Returns the number of unseen messages in this folder
*/
function sqimap_unseen_messages ($imap_stream, $mailbox) {
- $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (UNSEEN)", true, $result, $message);
+ $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (UNSEEN)", false, $result, $message);
$i = 0;
+ $regs = array(false, false);
while (isset($read_ary[$i])) {
if (ereg("UNSEEN ([0-9]+)", $read_ary[$i], $regs)) {
break;
return $regs[1];
}
+/*
+ * Returns the number of unseen/total messages in this folder
+ */
+function sqimap_status_messages ($imap_stream, $mailbox) {
+ $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (MESSAGES UNSEEN)", false, $result, $message);
+ $i = 0;
+ $messages = $unseen = 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];
+ }
+ if (preg_match('/MESSAGES\s+([0-9]+)/i', $read_ary[$i], $regs)) {
+ $messages = $regs[1];
+ }
+ $i++;
+ }
+ return array('MESSAGES' => $messages, 'UNSEEN'=>$unseen);
+}
+
/*
* Saves a message to a given folder -- used for saving sent messages
$tmp = fgets ($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');
+ $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,$color);
+ exit;
+ }
+ }
}
+function sqimap_get_user_server ($imap_server, $username) {
+ if (substr($imap_server, 0, 4) != "map:") {
+ return $imap_server;
+ }
+ $function = substr($imap_server, 4);
+ return $function($username);
+}
+
+/* This is an example that gets imapservers from yellowpages (NIS).
+ * you can simple put map:map_yp_alias in your $imap_server_address
+ * in config.php use your own function instead map_yp_alias to map your
+ * LDAP whatever way to find the users imapserver. */
+
+function map_yp_alias($username) {
+ $yp = `ypmatch $username aliases`;
+ return chop(substr($yp, strlen($username)+1));
+}
+
?>
projects / squirrelmail.git / blobdiff