463 lines
15 KiB
Vala
463 lines
15 KiB
Vala
/*
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* alpm_config
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*
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* Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a get of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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[Compact]
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class AlpmRepo {
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public string name;
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public Alpm.Signature.Level siglevel;
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public Alpm.Signature.Level siglevel_mask;
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public Alpm.DB.Usage usage;
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public GLib.List<string> urls;
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public AlpmRepo (string name) {
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this.name = name;
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siglevel = Alpm.Signature.Level.USE_DEFAULT;
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usage = 0;
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urls = new GLib.List<string> ();
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}
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public static int compare_name (AlpmRepo a, AlpmRepo b) {
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return strcmp (a.name, b.name);
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}
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public static int search_name (AlpmRepo a, string name) {
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return strcmp (a.name, name);
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}
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}
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class AlpmConfig {
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string conf_path;
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string? rootdir;
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string? dbpath;
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string? logfile;
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string? gpgdir;
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string? arch;
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double deltaratio;
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int usesyslog;
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int checkspace;
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GLib.List<string> cachedirs;
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GLib.List<string> hookdirs;
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GLib.List<string> ignoregroups;
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GLib.List<string> ignorepkgs;
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GLib.List<string> noextracts;
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GLib.List<string> noupgrades;
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GLib.List<string> holdpkgs;
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GLib.List<string> syncfirsts;
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Alpm.Signature.Level siglevel;
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Alpm.Signature.Level localfilesiglevel;
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Alpm.Signature.Level remotefilesiglevel;
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Alpm.Signature.Level siglevel_mask;
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Alpm.Signature.Level localfilesiglevel_mask;
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Alpm.Signature.Level remotefilesiglevel_mask;
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GLib.List<AlpmRepo> repo_order;
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public AlpmConfig (string path) {
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conf_path = path;
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reload ();
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}
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public unowned GLib.List<string> get_holdpkgs () {
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return holdpkgs;
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}
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public unowned GLib.List<string> get_syncfirsts () {
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return syncfirsts;
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}
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public void reload () {
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// set default options
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cachedirs = new GLib.List<string> ();
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hookdirs = new GLib.List<string> ();
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ignoregroups = new GLib.List<string> ();
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ignorepkgs = new GLib.List<string> ();
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noextracts = new GLib.List<string> ();
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noupgrades = new GLib.List<string> ();
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holdpkgs = new GLib.List<string> ();
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syncfirsts = new GLib.List<string> ();
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usesyslog = 0;
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checkspace = 0;
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deltaratio = 0.7;
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siglevel = Alpm.Signature.Level.PACKAGE | Alpm.Signature.Level.PACKAGE_OPTIONAL | Alpm.Signature.Level.DATABASE | Alpm.Signature.Level.DATABASE_OPTIONAL;
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localfilesiglevel = Alpm.Signature.Level.USE_DEFAULT;
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remotefilesiglevel = Alpm.Signature.Level.USE_DEFAULT;
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repo_order = new GLib.List<AlpmRepo> ();
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// parse conf file
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parse_file (conf_path);
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// if rootdir is set and dbpath/logfile are not
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// set, then set those as well to reside under the root.
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if (rootdir != null) {
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if (dbpath == null) {
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dbpath = Path.build_path ("/", rootdir, "var/lib/pacman/");
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}
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if (logfile == null) {
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logfile = Path.build_path ("/", rootdir, "var/log/pacman.log");
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}
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} else {
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rootdir = "/";
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if (dbpath == null) {
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dbpath = "/var/lib/pacman/";
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}
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if (logfile == null) {
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logfile = "/var/log/pacman.log";
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}
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}
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if (cachedirs.length () == 0) {
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cachedirs.append ("/var/cache/pacman/pkg/");
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}
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if (hookdirs.length () == 0) {
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hookdirs.append ("/etc/pacman.d/hooks/");
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}
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if (gpgdir == null) {
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// gpgdir it is not relative to rootdir, even if
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// rootdir is defined because it contains configuration data.
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gpgdir = "/etc/pacman.d/gnupg/";
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}
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if (arch == null) {
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arch = Posix.utsname().machine;
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}
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}
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public Alpm.Handle? get_handle () {
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Alpm.Errno error;
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Alpm.Handle? handle = new Alpm.Handle (rootdir, dbpath, out error);
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if (handle == null) {
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stderr.printf ("Failed to initialize alpm library" + " (%s)\n".printf (Alpm.strerror (error)));
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return null;
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}
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// define options
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handle.logfile = logfile;
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handle.gpgdir = gpgdir;
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handle.arch = arch;
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handle.deltaratio = deltaratio;
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handle.usesyslog = usesyslog;
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handle.checkspace = checkspace;
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handle.defaultsiglevel = siglevel;
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localfilesiglevel = merge_siglevel (siglevel, localfilesiglevel, localfilesiglevel_mask);
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remotefilesiglevel = merge_siglevel (siglevel, remotefilesiglevel, remotefilesiglevel_mask);
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handle.localfilesiglevel = localfilesiglevel;
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handle.remotefilesiglevel = remotefilesiglevel;
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foreach (unowned string cachedir in cachedirs) {
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handle.add_cachedir (cachedir);
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}
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foreach (unowned string hookdir in hookdirs) {
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handle.add_hookdir (hookdir);
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}
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foreach (unowned string ignoregroup in ignoregroups) {
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handle.add_ignoregroup (ignoregroup);
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}
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foreach (unowned string ignorepkg in ignorepkgs) {
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handle.add_ignorepkg (ignorepkg);
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}
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foreach (unowned string noextract in noextracts) {
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handle.add_noextract (noextract);
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}
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foreach (unowned string noupgrade in noupgrades) {
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handle.add_noupgrade (noupgrade);
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}
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// register dbs
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foreach (unowned AlpmRepo repo in repo_order) {
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repo.siglevel = merge_siglevel (siglevel, repo.siglevel, repo.siglevel_mask);
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unowned Alpm.DB db = handle.register_syncdb (repo.name, repo.siglevel);
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foreach (unowned string url in repo.urls) {
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db.add_server (url.replace ("$repo", repo.name).replace ("$arch", handle.arch));
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}
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if (repo.usage == 0) {
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db.usage = Alpm.DB.Usage.ALL;
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} else {
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db.usage = repo.usage;
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}
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}
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return handle;
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}
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void parse_file (string path, string? section = null) {
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string? current_section = section;
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var file = GLib.File.new_for_path (path);
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if (file.query_exists ()) {
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try {
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// Open file for reading and wrap returned FileInputStream into a
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// DataInputStream, so we can read line by line
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var dis = new DataInputStream (file.read ());
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string? line;
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// Read lines until end of file (null) is reached
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while ((line = dis.read_line ()) != null) {
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if (line.length == 0) {
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continue;
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}
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// ignore whole line and end of line comments
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string[] splitted = line.split ("#", 2);
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line = splitted[0].strip ();
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if (line.length == 0) {
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continue;
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}
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if (line[0] == '[' && line[line.length-1] == ']') {
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current_section = line[1:-1];
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if (current_section != "options") {
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var repo = new AlpmRepo (current_section);
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if (repo_order.find_custom (repo, AlpmRepo.compare_name) == null) {
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repo_order.append ((owned) repo);
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}
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}
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continue;
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}
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splitted = line.split ("=", 2);
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unowned string key = splitted[0]._strip ();
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unowned string? val = null;
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if (splitted.length == 2) {
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val = splitted[1]._strip ();
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}
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if (key == "Include") {
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parse_file (val, current_section);
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}
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if (current_section == "options") {
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if (key == "RootDir") {
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rootdir = val;
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} else if (key == "DBPath") {
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dbpath = val;
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} else if (key == "CacheDir") {
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foreach (unowned string dir in val.split (" ")) {
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cachedirs.append (dir);
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}
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} else if (key == "HookDir") {
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foreach (unowned string dir in val.split (" ")) {
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hookdirs.append (dir);
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}
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} else if (key == "LogFile") {
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logfile = val;
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} else if (key == "GPGDir") {
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gpgdir = val;
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} else if (key == "LogFile") {
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logfile = val;
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} else if (key == "Architecture") {
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if (val == "auto") {
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arch = Posix.utsname ().machine;
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} else {
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arch = val;
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}
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} else if (key == "UseDelta") {
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deltaratio = double.parse (val);
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} else if (key == "UseSysLog") {
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usesyslog = 1;
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} else if (key == "CheckSpace") {
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checkspace = 1;
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} else if (key == "SigLevel") {
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process_siglevel (val, ref siglevel, ref siglevel_mask);
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} else if (key == "LocalFileSigLevel") {
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process_siglevel (val, ref localfilesiglevel, ref localfilesiglevel_mask);
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} else if (key == "RemoteFileSigLevel") {
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process_siglevel (val, ref remotefilesiglevel, ref remotefilesiglevel_mask);
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} else if (key == "HoldPkg") {
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foreach (unowned string name in val.split (" ")) {
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holdpkgs.append (name);
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}
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} else if (key == "SyncFirst") {
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foreach (unowned string name in val.split (" ")) {
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syncfirsts.append (name);
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}
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} else if (key == "IgnoreGroup") {
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foreach (unowned string name in val.split (" ")) {
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ignoregroups.append (name);
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}
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} else if (key == "IgnorePkg") {
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foreach (unowned string name in val.split (" ")) {
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ignorepkgs.append (name);
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}
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} else if (key == "Noextract") {
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foreach (unowned string name in val.split (" ")) {
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noextracts.append (name);
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}
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} else if (key == "NoUpgrade") {
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foreach (unowned string name in val.split (" ")) {
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noupgrades.append (name);
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}
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}
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} else {
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unowned GLib.List<AlpmRepo>? found = repo_order.search (current_section, (SearchFunc) AlpmRepo.search_name);
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if (found != null) {
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unowned AlpmRepo repo = found.data;
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if (key == "Server") {
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repo.urls.append (val);
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} else if (key == "SigLevel") {
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process_siglevel (val, ref repo.siglevel, ref repo.siglevel_mask);
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} else if (key == "Usage") {
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repo.usage = define_usage (val);
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}
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}
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}
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}
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} catch (GLib.Error e) {
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GLib.stderr.printf("%s\n", e.message);
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}
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} else {
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GLib.stderr.printf ("File '%s' doesn't exist.\n", path);
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}
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}
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public void write (HashTable<string,Variant> new_conf) {
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var file = GLib.File.new_for_path (conf_path);
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if (file.query_exists ()) {
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try {
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// Open file for reading and wrap returned FileInputStream into a
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// DataInputStream, so we can read line by line
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var dis = new DataInputStream (file.read ());
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string? line;
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string[] data = {};
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// Read lines until end of file (null) is reached
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while ((line = dis.read_line ()) != null) {
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if (line.length == 0) {
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data += "\n";
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continue;
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}
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if (line.contains ("IgnorePkg")) {
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if (new_conf.contains ("IgnorePkg")) {
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string val = new_conf.get ("IgnorePkg").get_string ();
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if (val == "") {
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data += "#IgnorePkg =\n";
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} else {
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data += "IgnorePkg = %s\n".printf (val);
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}
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new_conf.remove ("IgnorePkg");
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} else {
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data += line + "\n";
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}
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} else if (line.contains ("CheckSpace")) {
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if (new_conf.contains ("CheckSpace")) {
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bool val = new_conf.get ("CheckSpace").get_boolean ();
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if (val) {
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data += "CheckSpace\n";
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} else {
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data += "#CheckSpace\n";
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}
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new_conf.remove ("CheckSpace");
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} else {
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data += line + "\n";
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}
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} else {
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data += line + "\n";
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}
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}
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// delete the file before rewrite it
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file.delete ();
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// creating a DataOutputStream to the file
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var dos = new DataOutputStream (file.create (FileCreateFlags.REPLACE_DESTINATION));
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foreach (unowned string new_line in data) {
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// writing a short string to the stream
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dos.put_string (new_line);
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}
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reload ();
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} catch (GLib.Error e) {
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GLib.stderr.printf("%s\n", e.message);
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}
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} else {
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GLib.stderr.printf ("File '%s' doesn't exist.\n", conf_path);
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}
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}
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Alpm.DB.Usage define_usage (string conf_string) {
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Alpm.DB.Usage usage = 0;
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foreach (unowned string directive in conf_string.split(" ")) {
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if (directive == "Sync") {
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usage |= Alpm.DB.Usage.SYNC;
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} else if (directive == "Search") {
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usage |= Alpm.DB.Usage.SEARCH;
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} else if (directive == "Install") {
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usage |= Alpm.DB.Usage.INSTALL;
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} else if (directive == "Upgrade") {
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usage |= Alpm.DB.Usage.UPGRADE;
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} else if (directive == "All") {
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usage |= Alpm.DB.Usage.ALL;
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}
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}
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return usage;
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}
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void process_siglevel (string conf_string, ref Alpm.Signature.Level siglevel, ref Alpm.Signature.Level siglevel_mask) {
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foreach (unowned string directive in conf_string.split(" ")) {
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bool affect_package = false;
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bool affect_database = false;
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if ("Package" in directive) {
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affect_package = true;
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} else if ("Database" in directive) {
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affect_database = true;
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} else {
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affect_package = true;
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affect_database = true;
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}
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if ("Never" in directive) {
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if (affect_package) {
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siglevel &= ~Alpm.Signature.Level.PACKAGE;
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siglevel_mask |= Alpm.Signature.Level.PACKAGE;
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}
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if (affect_database) {
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siglevel &= ~Alpm.Signature.Level.DATABASE;
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siglevel_mask |= Alpm.Signature.Level.DATABASE;
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}
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} else if ("Optional" in directive) {
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if (affect_package) {
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siglevel |= (Alpm.Signature.Level.PACKAGE | Alpm.Signature.Level.PACKAGE_OPTIONAL);
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siglevel_mask |= (Alpm.Signature.Level.PACKAGE | Alpm.Signature.Level.PACKAGE_OPTIONAL);
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}
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if (affect_database) {
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siglevel |= (Alpm.Signature.Level.DATABASE | Alpm.Signature.Level.DATABASE_OPTIONAL);
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siglevel_mask |= (Alpm.Signature.Level.DATABASE | Alpm.Signature.Level.DATABASE_OPTIONAL);
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}
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} else if ("Required" in directive) {
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if (affect_package) {
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siglevel |= Alpm.Signature.Level.PACKAGE;
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siglevel_mask |= Alpm.Signature.Level.PACKAGE;
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siglevel &= ~Alpm.Signature.Level.PACKAGE_OPTIONAL;
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siglevel_mask |= Alpm.Signature.Level.PACKAGE_OPTIONAL;
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}
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if (affect_database) {
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siglevel |= Alpm.Signature.Level.DATABASE;
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siglevel_mask |= Alpm.Signature.Level.DATABASE;
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siglevel &= ~Alpm.Signature.Level.DATABASE_OPTIONAL;
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siglevel_mask |= Alpm.Signature.Level.DATABASE_OPTIONAL;
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}
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} else if ("TrustedOnly" in directive) {
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if (affect_package) {
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siglevel &= ~(Alpm.Signature.Level.PACKAGE_MARGINAL_OK | Alpm.Signature.Level.PACKAGE_UNKNOWN_OK);
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siglevel_mask |= (Alpm.Signature.Level.PACKAGE_MARGINAL_OK | Alpm.Signature.Level.PACKAGE_UNKNOWN_OK);
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}
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if (affect_database) {
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siglevel &= ~(Alpm.Signature.Level.DATABASE_MARGINAL_OK | Alpm.Signature.Level.DATABASE_UNKNOWN_OK);
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siglevel_mask |= (Alpm.Signature.Level.DATABASE_MARGINAL_OK | Alpm.Signature.Level.DATABASE_UNKNOWN_OK);
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}
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} else if ("TrustAll" in directive) {
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if (affect_package) {
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siglevel |= (Alpm.Signature.Level.PACKAGE_MARGINAL_OK | Alpm.Signature.Level.PACKAGE_UNKNOWN_OK);
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siglevel_mask |= (Alpm.Signature.Level.PACKAGE_MARGINAL_OK | Alpm.Signature.Level.PACKAGE_UNKNOWN_OK);
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}
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if (affect_database) {
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siglevel |= (Alpm.Signature.Level.DATABASE_MARGINAL_OK | Alpm.Signature.Level.DATABASE_UNKNOWN_OK);
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siglevel_mask |= (Alpm.Signature.Level.DATABASE_MARGINAL_OK | Alpm.Signature.Level.DATABASE_UNKNOWN_OK);
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}
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} else {
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GLib.stderr.printf("unrecognized siglevel: %s\n", conf_string);
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}
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}
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siglevel &= ~Alpm.Signature.Level.USE_DEFAULT;
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}
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Alpm.Signature.Level merge_siglevel(Alpm.Signature.Level sigbase, Alpm.Signature.Level sigover, Alpm.Signature.Level sigmask) {
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return (sigmask != 0) ? (sigover & sigmask) | (sigbase & ~sigmask) : sigover;
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}
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}
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