if (!$filter || !$outputstream) {
$iBufferSize = $iSize;
} else {
- $iBufferSize = 62400; // multiple of 78 in case of base64 decoding.
+ // see php bug 24033. They changed fread behaviour %$^&$%
+ $iBufferSize = 7800; // multiple of 78 in case of base64 decoding.
+ }
+ if ($iSize < $iBufferSize) {
+ $iBufferSize = $iSize;
}
- $iRet = $iSize - $iBufferSize;
$iRetrieved = 0;
- $i = 0;
- $results = $sReadRem = '';
- $bFinished = $bBufferSizeAdapted = $bBufferIsOk = false;
- while (($iRetrieved < ($iSize - $iBufferSize))) {
+ $results = '';
+ $sRead = $sReadRem = '';
+ // NB: fread can also stop at end of a packet on sockets.
+ while ($iRetrieved < $iSize) {
$sRead = fread($imap_stream,$iBufferSize);
+ $iLength = strlen($sRead);
+ $iRetrieved += $iLength ;
+ $iRemaining = $iSize - $iRetrieved;
+ if ($iRemaining < $iBufferSize) {
+ $iBufferSize = $iRemaining;
+ }
if (!$sRead) {
$results = false;
break;
}
- $iRetrieved += $iBufferSize;
- if ($filter) {
- // in case line-endings do not appear at position 78 we adapt the buffersize so we can base64 decode on the fly
- if (!$bBufferSizeAdapted) {
- $i = strpos($sRead,"\n");
- if ($i) {
- ++$i;
- $iFragments = floor($iBufferSize / $i);
- $iNewBufferSize = $iFragments * $i;
- $iRemainder = $iNewBufferSize + $i - $iBufferSize;
- if ($iNewBufferSize == $iBufferSize) {
- $bBufferIsOk = true;
- $iRemainder = 0;
- $iNewBufferSize = $iBufferSize;
- $bBufferSizeAdapted = true;
- }
- if (!$bBufferIsOk && ($iRemainder + $iBufferSize) < $iSize) {
- $sReadRem = fread($imap_stream,$iRemainder);
- } else if (!$bBufferIsOk) {
- $sReadRem = fread($imap_stream,$iSize - $iBufferSize);
- $bFinished = true;
- }
- if (!$sReadRem && $sReadRem !== '') {
- $results = false;
- break;
- }
- $iBufferSize = $iNewBufferSize;
- $bBufferSizeAdapted = true;
- } else {
- $sReadRem = fread($imap_stream,$iSize - $iBufferSize);
- $bFinished = true;
- if (!$sReadRem) {
- $results = false;
- break;
- }
- }
- $sRead .= $sReadRem;
- $iRetrieved += $iRemainder;
- unset($sReadRem);
- }
+ if ($sReadRem) {
+ $sRead = $sReadRem . $sRead;
+ $sReadRem = '';
+ }
+ if (substr($sRead,-1) !== "\n") {
+ $i = strrpos($sRead,"\n");
+ if ($i !== false && $iRetrieved<$iSize) {
+ ++$i;
+ $sReadRem = substr($sRead,$i);
+ $sRead = substr($sRead,0,$i);
+ } else if ($iLength && $iRetrieved<$iSize) { // linelength > received buffer
+ $sReadRem = $sRead;
+ $sRead = '';
+ }
+ }
+ if ($filter && $sRead) {
$filter($sRead);
}
- if ($outputstream) {
+ if ($outputstream && $sRead) {
if (is_resource($outputstream)) {
fwrite($outputstream,$sRead);
} else if ($outputstream == 'php://stdout') {
}
if ($no_return) {
$sRead = '';
- }
- $results .= $sRead;
- }
- if (!$results && !$bFinished) {
- $sRead = fread($imap_stream,($iSize - ($iRetrieved)));
- if ($filter) {
- $filter($sRead);
- }
- if ($outputstream) {
- if (is_resource($outputstream)) {
- fwrite($outputstream,$sRead);
- } else if ($outputstream == 'php://stdout') { // FIXME
- echo $sRead;
- }
+ } else {
+ $results .= $sRead;
}
- if ($no_return) {
- $sRead = '';
- }
- $results .= $sRead;
}
return $results;
}
+
/* obsolete function, inform plugins that use it */
function sqimap_read_data_list($imap_stream, $tag, $handle_errors,
&$response, &$message, $query = '') {
exit;
}
+function sqimap_error_box($title, $query = '', $message_title = '', $message = '')
+{
+ global $color, $squirrelmail_language;
+
+ set_up_language($squirrelmail_language);
+ require_once(SM_PATH . 'functions/display_messages.php');
+ $string = "<font color=$color[2]><b>\n" . $title . "</b><br>\n";
+ $cmd = explode(' ',$query);
+ $cmd= strtolower($cmd[0]);
+
+ if ($query != '' && $cmd != 'login')
+ $string .= _("Query:") . ' ' . htmlspecialchars($query) . '<br>';
+ if ($message_title != '')
+ $string .= $message_title;
+ if ($message != '')
+ $string .= htmlspecialchars($message);
+ $string .= "</font><br>\n";
+ error_box($string,$color);
+}
+
/*
* 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,
/* error processing in case $read is false */
if ($read === false) {
unset($data);
- set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Connection dropped by imap-server.") .
- "</b><br>\n" .
- _("Query:") . ' '.
- htmlspecialchars($query) . '<br>' . "</font><br>\n";
- error_box($string,$color);
+ sqimap_error_box(_("ERROR : Connection dropped by imap-server."), $query);
exit;
}
/* Return result or handle errors */
if ($handle_errors == false) {
return $aResponse;
- return( $resultlist );
+ return( $resultlist ); //?? Why this?
}
- switch ($response[$tag])
- {
+ switch ($response[$tag]) {
case 'OK':
return $aResponse;
break;
case 'NO':
/* ignore this error from M$ exchange, it is not fatal (aka bug) */
if (strstr($message[$tag], 'command resulted in') === false) {
- set_up_language($squirrelmail_language);
- 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[$tag]) . "</font><br>\n";
- error_box($string,$color);
+ sqimap_error_box(_("ERROR : Could not complete request."), $query, _("Reason Given: "), $message[$tag]);
echo '</body></html>';
exit;
}
break;
case 'BAD':
- 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" .
- _("Query:") . ' '.
- htmlspecialchars($query) . '<br>' .
- _("Server responded: ") .
- htmlspecialchars($message[$tag]) . "</font><br>\n";
- error_box($string,$color);
+ sqimap_error_box(_("ERROR : Bad or malformed request."), $query, _("Server responded: "), $message[$tag]);
echo '</body></html>';
exit;
case 'BYE':
- set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Imap server closed the connection.") .
- "</b><br>\n" .
- _("Query:") . ' '.
- htmlspecialchars($query) . '<br>' .
- _("Server responded: ") .
- htmlspecialchars($message[$tag]) . "</font><br>\n";
- error_box($string,$color);
+ sqimap_error_box(_("ERROR : Imap server closed the connection."), $query, _("Server responded: "), $message[$tag]);
echo '</body></html>';
exit;
default:
- set_up_language($squirrelmail_language);
- require_once(SM_PATH . 'functions/display_messages.php');
- $string = "<b><font color=$color[2]>\n" .
- _("ERROR : Unknown imap response.") .
- "</b><br>\n" .
- _("Query:") . ' '.
- htmlspecialchars($query) . '<br>' .
- _("Server responded: ") .
- htmlspecialchars($message[$tag]) . "</font><br>\n";
- error_box($string,$color);
+ sqimap_error_box(_("ERROR : Unknown imap response."), $query, _("Server responded: "), $message[$tag]);
/* the error is displayed but because we don't know the reponse we
return the result anyway */
return $aResponse;
$query = 'LOGIN "' . quoteimap($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.';
+ /* SASL PLAIN */
+ $tag=sqimap_session_id(false);
+ $auth = base64_encode("$username\0$username\0$password");
+
+ $query = $tag . " AUTHENTICATE PLAIN\r\n";
+ fputs($imap_stream, $query);
+ $read=sqimap_fgets($imap_stream);
+
+ if (substr($read,0,1) == '+') { // OK so far..
+ fputs($imap_stream, "$auth\r\n");
+ $read = sqimap_fgets($imap_stream);
+ }
+
+ $results=explode(" ",$read,3);
+ $response=$results[1];
+ $message=$results[2];
} else {
$response="BAD";
$message="Internal SquirrelMail error - unknown IMAP authentication method chosen. Please contact the developers.";
} else {
fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
$read = sqimap_read_data($imap_stream, '.', true, $a, $b);
+ $read = $read['.'][0]; //sqimap_read_data() now returns a tag array of response array
$quote_position = strpos ($read[0], '"');
$sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
}
}
+function sqimap_encode_mailbox_name($what)
+{
+ if (ereg("[\"\\\r\n]", $what))
+ return '{' . strlen($what) . "}\r\n" . $what; /* 4.3 literal form */
+ return '"' . $what . '"'; /* 4.3 quoted string form */
+}
+
+
/* Gets the number of messages in the current mailbox. */
function sqimap_get_num_messages ($imap_stream, $mailbox) {
- $read_ary = sqimap_run_command ($imap_stream, "EXAMINE \"$mailbox\"", false, $result, $message);
+ $read_ary = sqimap_run_command ($imap_stream, 'EXAMINE ' . sqimap_encode_mailbox_name($mailbox), false, $result, $message);
for ($i = 0; $i < count($read_ary); $i++) {
if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
return $regs[1];
* Returns the number of unseen messages in this folder
*/
function sqimap_unseen_messages ($imap_stream, $mailbox) {
- $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (UNSEEN)", false, $result, $message);
+ $read_ary = sqimap_run_command ($imap_stream, 'STATUS ' . sqimap_encode_mailbox_name($mailbox) . ' (UNSEEN)', false, $result, $message);
$i = 0;
$regs = array(false, false);
while (isset($read_ary[$i])) {
}
/*
- * Returns the number of unseen/total messages in this folder
+ * Returns the number of total/unseen/recent messages in this folder
*/
function sqimap_status_messages ($imap_stream, $mailbox) {
- $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (MESSAGES UNSEEN RECENT)", false, $result, $message);
+ $read_ary = sqimap_run_command ($imap_stream, 'STATUS ' . sqimap_encode_mailbox_name($mailbox) . ' (MESSAGES UNSEEN RECENT)', false, $result, $message);
$i = 0;
$messages = $unseen = $recent = false;
$regs = array(false,false);
* Saves a message to a given folder -- used for saving sent messages
*/
function sqimap_append ($imap_stream, $sent_folder, $length) {
- fputs ($imap_stream, sqimap_session_id() . " APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
+ fputs ($imap_stream, sqimap_session_id() . ' APPEND ' . sqimap_encode_mailbox_name($sent_folder) . " (\\Seen) \{$length}\r\n");
$tmp = fgets ($imap_stream, 1024);
}