| 1 | 1 | simandl | <?php |
| 2 | | | // WebSVN - Subversion repository viewing via the web using PHP |
| 3 | | | // Copyright (C) 2004-2006 Tim Armes |
| 4 | | | // |
| 5 | | | // This program is free software; you can redistribute it and/or modify |
| 6 | | | // it under the terms of the GNU General Public License as published by |
| 7 | | | // the Free Software Foundation; either version 2 of the License, or |
| 8 | | | // (at your option) any later version. |
| 9 | | | // |
| 10 | | | // This program is distributed in the hope that it will be useful, |
| 11 | | | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | | | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | | | // GNU General Public License for more details. |
| 14 | | | // |
| 15 | | | // You should have received a copy of the GNU General Public License |
| 16 | | | // along with this program; if not, write to the Free Software |
| 17 | | | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | | | // |
| 19 | | | // -- |
| 20 | | | // |
| 21 | | | // command.php |
| 22 | | | // |
| 23 | | | // External command handling |
| 24 | | | |
| 25 | | | // {{{ replaceEntities |
| 26 | | | // |
| 27 | | | // Replace character codes with HTML entities for display purposes. |
| 28 | | | // This routine assumes that the character encoding of the string is |
| 29 | | | // that of the local system (i.e., it's a string returned from a command |
| 30 | | | // line command). |
| 31 | | | |
| 32 | | | function replaceEntities($str, $rep) { |
| 33 | | | global $config; |
| 34 | | | |
| 35 | | | // Ideally, we'd do this: |
| 36 | | | // |
| 37 | | | // $str = htmlentities($str, ENT_COMPAT, $config->inputEnc); |
| 38 | | | // |
| 39 | | | // However, htmlentities is very limited in it's ability to process |
| 40 | | | // character encodings. We have to rely on something more powerful. |
| 41 | | | |
| 42 | | | if (version_compare(phpversion(), "4.1.0", "<")) { |
| 43 | | | // In this case, we can't do any better than assume that the |
| 44 | | | // input encoding is ISO-8859-1. |
| 45 | | | |
| 46 | | | $str = htmlentities($str, ENT_COMPAT); |
| 47 | | | } else { |
| 48 | | | $str = toOutputEncoding($str, $rep->getContentEncoding()); |
| 49 | | | |
| 50 | | | // $str is now encoded as UTF-8. |
| 51 | | | $str = htmlentities($str, ENT_COMPAT, $config->outputEnc); |
| 52 | | | } |
| 53 | | | |
| 54 | | | return $str; |
| 55 | | | } |
| 56 | | | |
| 57 | | | // }}} |
| 58 | | | |
| 59 | | | // {{{ toOutputEncoding |
| 60 | | | |
| 61 | | | function toOutputEncoding($str, $inputEncoding = "") { |
| 62 | | | global $config; |
| 63 | | | |
| 64 | | | if (empty($inputEncoding)) { |
| 65 | | | $inputEncoding = $config->inputEnc; |
| 66 | | | } |
| 67 | | | |
| 68 | | | // Try to convert the messages based on the locale information |
| 69 | | | if ($config->inputEnc && $config->outputEnc) { |
| 70 | | | if (function_exists("iconv")) { |
| 71 | | | $output = @iconv($inputEncoding, $config->outputEnc, $str); |
| 72 | | | if (!empty($output)) { |
| 73 | | | $str = $output; |
| 74 | | | } |
| 75 | | | } |
| 76 | | | } |
| 77 | | | |
| 78 | | | return $str; |
| 79 | | | } |
| 80 | | | |
| 81 | | | // }}} |
| 82 | | | |
| 83 | | | // {{{ quoteCommand |
| 84 | | | |
| 85 | | | function quoteCommand($cmd) { |
| 86 | | | global $config; |
| 87 | | | |
| 88 | | | // On Windows machines, the whole line needs quotes round it so that it's |
| 89 | | | // passed to cmd.exe correctly |
| 90 | | | |
| 91 | | | if ($config->serverIsWindows) { |
| 92 | | | $cmd = "\"$cmd\""; |
| 93 | | | } |
| 94 | | | |
| 95 | | | return $cmd; |
| 96 | | | } |
| 97 | | | |
| 98 | | | // }}} |
| 99 | | | |
| 100 | | | // {{{ runCommand |
| 101 | | | |
| 102 | | | function runCommand($cmd, $mayReturnNothing = false) { |
| 103 | | | global $lang; |
| 104 | | | |
| 105 | | | $output = array(); |
| 106 | | | $err = false; |
| 107 | | | |
| 108 | | | $c = quoteCommand($cmd); |
| 109 | | | |
| 110 | | | $descriptorspec = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w')); |
| 111 | | | |
| 112 | | | $resource = proc_open($c, $descriptorspec, $pipes); |
| 113 | | | $error = ""; |
| 114 | | | |
| 115 | | | if (!is_resource($resource)) { |
| 116 | | | echo"<p>".$lang['BADCMD'].": <code>".$cmd."</code></p>"; |
| 117 | | | exit; |
| 118 | | | } |
| 119 | | | |
| 120 | | | $handle = $pipes[1]; |
| 121 | | | $firstline = true; |
| 122 | | | while (!feof($handle)) { |
| 123 | | | $line = fgets($handle); |
| 124 | | | if ($firstline && empty($line) && !$mayReturnNothing) { |
| 125 | | | $err = true; |
| 126 | | | } |
| 127 | | | |
| 128 | | | $firstline = false; |
| 129 | | | $output[] = toOutputEncoding(rtrim($line)); |
| 130 | | | } |
| 131 | | | |
| 132 | | | while (!feof($pipes[2])) { |
| 133 | | | $error .= fgets($pipes[2]); |
| 134 | | | } |
| 135 | | | |
| 136 | | | $error = toOutputEncoding(trim($error)); |
| 137 | | | |
| 138 | | | fclose($pipes[0]); |
| 139 | | | fclose($pipes[1]); |
| 140 | | | fclose($pipes[2]); |
| 141 | | | |
| 142 | | | proc_close($resource); |
| 143 | | | |
| 144 | | | if (!$err) { |
| 145 | | | return $output; |
| 146 | | | } else { |
| 147 | | | echo"<p>".$lang['BADCMD'].": <code>".$cmd."</code></p><p>".nl2br($error)."</p>"; |
| 148 | | | } |
| 149 | | | } |
| 150 | | | |
| 151 | | | // }}} |
| 152 | | | |
| 153 | | | // {{{ quote |
| 154 | | | // |
| 155 | | | // Quote a string to send to the command line |
| 156 | | | |
| 157 | | | function quote($str) { |
| 158 | | | global $config; |
| 159 | | | |
| 160 | | | if ($config->serverIsWindows) { |
| 161 | | | return "\"$str\""; |
| 162 | | | } else { |
| 163 | | | return escapeshellarg($str); |
| 164 | | | } |
| 165 | | | } |
| 166 | | | |
| 167 | | | // }}} |
