diff options
Diffstat (limited to 'config/systempatches/patches.inc')
| -rw-r--r-- | config/systempatches/patches.inc | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/config/systempatches/patches.inc b/config/systempatches/patches.inc new file mode 100644 index 00000000..78cc35f2 --- /dev/null +++ b/config/systempatches/patches.inc @@ -0,0 +1,140 @@ +<?php +/* + patches.inc + Copyright (C) 2012 Jim Pingle + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +require_once("globals.inc"); +require_once("util.inc"); + +$git_root_url = "http://github.com/bsdperimeter/pfsense/commit/"; +$patch_suffix = ".patch"; +$patch_dir = "/var/patches"; +$patch_cmd = "/usr/bin/patch --directory=/ "; + +function patch_commit($patch, $action, $test=false) { + global $patch_dir, $patch_cmd, $patch_suffix; + $filename = '-i ' . $patch_dir . '/' . $patch['uniqid'] . $patch_suffix; + $check = ($test) ? "--check" : ""; + $force = ($action == "revert") ? "-f" : "-t"; + $direction = ($action == "revert") ? "--reverse" : "--forward"; + $whitespace = $patch['ignorewhitespace'] ? "--ignore-whitespace" : ""; + $patchlevel = '-p' . $patch['patchlevel']; + patch_write($patch); + $status = mwexec("{$patch_cmd} {$force} {$patchlevel} {$filename} {$check} {$direction} {$whitespace}", false); + //patch_erase($patch); + if ($status == 0) + return true; + else + return false; +} + +/* Attempt to apply a patch */ +function patch_apply($patch) { + return patch_commit($patch, "apply", false); +} + +/* Attempt to revert a patch */ +function patch_revert($patch) { + return patch_commit($patch, "revert", false); +} + +/* Test if a patch would apply cleanly */ +function patch_test_apply($patch) { + return patch_commit($patch, "apply", true); +} + +/* Test if a patch would revert cleanly */ +function patch_test_revert($patch) { + return patch_commit($patch, "revert", true); +} + +/* Fetch a patch from a URL or github */ +function patch_fetch(& $patch) { + $url = patch_fixup_url($patch['location']); + $text = @file_get_contents($url); + if (empty($text)) { + return false; + } else { + $patch['patch'] = base64_encode($text); + write_config("Fetched patch {$patch['descr']}"); + return true; + } +} + +/* Write a patch file out to $patch_dir */ +function patch_write($patch) { + global $patch_dir, $patch_suffix; + if (!file_exists($patch_dir)) { + safe_mkdir($patch_dir); + } + if (empty($patch['patch'])) { + return false; + } else { + $text = base64_decode($patch['patch']); + $filename = $patch_dir . '/' . $patch['uniqid'] . $patch_suffix; + return (file_put_contents($filename, $text) > 0); + } +} + +function patch_erase($patch) { + global $patch_dir, $patch_suffix; + if (!file_exists($patch_dir)) { + return true; + } + $filename = $patch_dir . '/' . $patch['uniqid'] . $patch_suffix; + return @unlink($filename); +} + +/* Detect a github URL or commit ID and fix it up */ +function patch_fixup_url($url) { + global $git_root_url, $patch_suffix; + // If it's a commit id then prepend git url, and add .patch + if (is_commit_id($url)) { + $url = $git_root_url . $url . $patch_suffix; + } elseif (is_URL($url)) { + $urlbits = explode("/", $url); + if (substr($urlbits[2], -10) == "github.com") { + // If it's a github url and does not already end in .patch, add it + if (substr($url, -strlen($patch_suffix)) != $patch_suffix) { + // Make sure it's really a URL to a commit id before adding .patch + if (is_commit_id(array_pop($urlbits))) { + $url .= $patch_suffix; + } + } + } + } + return $url; +} + +function is_commit_id($str) { + return preg_match("/^[0-9a-f]{5,40}$/", $str); +} + +function is_github_url($url) { + $urlbits = explode("/", $url); + return (substr($urlbits[2], -10) == "github.com"); +} +?>
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