| 1 | // |
| 2 | // pkgutils |
| 3 | // |
| 4 | // Copyright (c) 2000-2005 Per Liden |
| 5 | // Copyright (c) 2006-2010 by CRUX team (http://crux.nu) |
| 6 | // |
| 7 | // This program is free software; you can redistribute it and/or modify |
| 8 | // it under the terms of the GNU General Public License as published by |
| 9 | // the Free Software Foundation; either version 2 of the License, or |
| 10 | // (at your option) any later version. |
| 11 | // |
| 12 | // This program is distributed in the hope that it will be useful, |
| 13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | // GNU General Public License for more details. |
| 16 | // |
| 17 | // You should have received a copy of the GNU General Public License |
| 18 | // along with this program; if not, write to the Free Software |
| 19 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| 20 | // USA. |
| 21 | // |
| 22 | |
| 23 | #ifndef PKGUTIL_H |
| 24 | #define PKGUTIL_H |
| 25 | |
| 26 | #include <string> |
| 27 | #include <set> |
| 28 | #include <map> |
| 29 | #include <iostream> |
| 30 | #include <stdexcept> |
| 31 | #include <cerrno> |
| 32 | #include <cstring> |
| 33 | #include <sys/types.h> |
| 34 | #include <dirent.h> |
| 35 | |
| 36 | #define PKG_EXT ".pkg.tar." |
| 37 | #define PKG_DIR "var/lib/pkg" |
| 38 | #define PKG_DB "var/lib/pkg/db" |
| 39 | #define PKG_REJECTED "var/lib/pkg/rejected" |
| 40 | #define VERSION_DELIM '#' |
| 41 | #define LDCONFIG "/sbin/ldconfig" |
| 42 | #define LDCONFIG_CONF "/etc/ld.so.conf" |
| 43 | |
| 44 | using namespace std; |
| 45 | |
| 46 | class pkgutil { |
| 47 | public: |
| 48 | struct pkginfo_t { |
| 49 | string version; |
| 50 | set<string> files; |
| 51 | }; |
| 52 | |
| 53 | typedef map<string, pkginfo_t> packages_t; |
| 54 | |
| 55 | explicit pkgutil(const string& name); |
| 56 | virtual ~pkgutil() {} |
| 57 | virtual void run(int argc, char** argv) = 0; |
| 58 | virtual void print_help() const = 0; |
| 59 | void print_version() const; |
| 60 | |
| 61 | protected: |
| 62 | // Database |
| 63 | void db_open(const string& path); |
| 64 | void db_commit(); |
| 65 | void db_add_pkg(const string& name, const pkginfo_t& info); |
| 66 | bool db_find_pkg(const string& name); |
| 67 | void db_rm_pkg(const string& name); |
| 68 | void db_rm_pkg(const string& name, const set<string>& keep_list); |
| 69 | void db_rm_files(set<string> files, const set<string>& keep_list); |
| 70 | set<string> db_find_conflicts(const string& name, const pkginfo_t& info); |
| 71 | |
| 72 | // Tar.gz |
| 73 | pair<string, pkginfo_t> pkg_open(const string& filename) const; |
| 74 | void pkg_install(const string& filename, const set<string>& keep_list, const set<string>& non_install_files) const; |
| 75 | void pkg_footprint(string& filename) const; |
| 76 | void ldconfig() const; |
| 77 | |
| 78 | string utilname; |
| 79 | packages_t packages; |
| 80 | string root; |
| 81 | }; |
| 82 | |
| 83 | class db_lock { |
| 84 | public: |
| 85 | db_lock(const string& root, bool exclusive); |
| 86 | ~db_lock(); |
| 87 | private: |
| 88 | DIR* dir; |
| 89 | }; |
| 90 | |
| 91 | class runtime_error_with_errno : public runtime_error { |
| 92 | public: |
| 93 | explicit runtime_error_with_errno(const string& msg) throw() |
| 94 | : runtime_error(msg + string(": ") + strerror(errno)) {} |
| 95 | explicit runtime_error_with_errno(const string& msg, int e) throw() |
| 96 | : runtime_error(msg + string(": ") + strerror(e)) {} |
| 97 | }; |
| 98 | |
| 99 | // Utility functions |
| 100 | void assert_argument(char** argv, int argc, int index); |
| 101 | string itos(unsigned int value); |
| 102 | string mtos(mode_t mode); |
| 103 | string trim_filename(const string& filename); |
| 104 | bool file_exists(const string& filename); |
| 105 | bool file_empty(const string& filename); |
| 106 | bool file_equal(const string& file1, const string& file2); |
| 107 | bool permissions_equal(const string& file1, const string& file2); |
| 108 | void file_remove(const string& basedir, const string& filename); |
| 109 | |
| 110 | #endif /* PKGUTIL_H */ |