/* * testdb.c : Test a pacman local database for validity * * Copyright (c) 2007 by Aaron Griffin <aaronmgriffin@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "config.h" #include <unistd.h> #include <stdio.h> #include <stdlib.h> #include <errno.h> #include <string.h> #include <dirent.h> #include <alpm.h> #include <alpm_list.h> #define BASENAME "testdb" static void cleanup(int signum) { if(alpm_release() == -1) { fprintf(stderr, "error releasing alpm: %s\n", alpm_strerrorlast()); } exit(signum); } static void output_cb(pmloglevel_t level, const char *fmt, va_list args) { if(strlen(fmt)) { switch(level) { case PM_LOG_ERROR: printf("error: "); break; case PM_LOG_WARNING: printf("warning: "); break; default: return; } vprintf(fmt, args); } } static int check_localdb_files(void) { struct dirent *ent; const char *dbpath; char path[4096]; int ret = 0; DIR *dir; dbpath = alpm_option_get_dbpath(); snprintf(path, sizeof(path), "%slocal", dbpath); if(!(dir = opendir(path))) { fprintf(stderr, "error : %s : %s\n", path, strerror(errno)); return 1; } while ((ent = readdir(dir)) != NULL) { if(strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0 || ent->d_name[0] == '.') { continue; } /* check for known db files in local database */ snprintf(path, sizeof(path), "%slocal/%s/desc", dbpath, ent->d_name); if(access(path, F_OK)) { printf("%s: description file is missing\n", ent->d_name); ret++; } snprintf(path, sizeof(path), "%slocal/%s/files", dbpath, ent->d_name); if(access(path, F_OK)) { printf("%s: file list is missing\n", ent->d_name); ret++; } } if(closedir(dir)) { fprintf(stderr, "error closing dbpath : %s\n", strerror(errno)); return 1; } return ret; } static int checkdeps(alpm_list_t *pkglist) { alpm_list_t *data, *i; int ret = 0; /* check dependencies */ data = alpm_checkdeps(pkglist, 0, NULL, pkglist); for(i = data; i; i = alpm_list_next(i)) { pmdepmissing_t *miss = alpm_list_getdata(i); pmdepend_t *dep = alpm_miss_get_dep(miss); char *depstring = alpm_dep_compute_string(dep); printf("missing dependency for %s : %s\n", alpm_miss_get_target(miss), depstring); free(depstring); ret++; } FREELIST(data); return ret; } static int checkconflicts(alpm_list_t *pkglist) { alpm_list_t *data, *i; int ret = 0; /* check conflicts */ data = alpm_checkconflicts(pkglist); for(i = data; i; i = i->next) { pmconflict_t *conflict = alpm_list_getdata(i); printf("%s conflicts with %s\n", alpm_conflict_get_package1(conflict), alpm_conflict_get_package2(conflict)); ret++; } FREELIST(data); return ret; } static int check_localdb(void) { int ret = 0; pmdb_t *db = NULL; alpm_list_t *pkglist; ret = check_localdb_files(); if(ret) { return ret; } db = alpm_option_get_localdb(); if(db == NULL) { fprintf(stderr, "error: could not register 'local' database (%s)\n", alpm_strerrorlast()); cleanup(EXIT_FAILURE); } pkglist = alpm_db_get_pkgcache(db); ret += checkdeps(pkglist); ret += checkconflicts(pkglist); return ret; } static int check_syncdbs(alpm_list_t *dbnames) { int ret = 0; pmdb_t *db = NULL; alpm_list_t *i, *pkglist, *syncpkglist = NULL; for(i = dbnames; i; i = alpm_list_next(i)) { char *dbname = alpm_list_getdata(i); db = alpm_db_register_sync(dbname); if(db == NULL) { fprintf(stderr, "error: could not register sync database (%s)\n", alpm_strerrorlast()); ret = 1; goto cleanup; } pkglist = alpm_db_get_pkgcache(db); syncpkglist = alpm_list_join(syncpkglist, alpm_list_copy(pkglist)); } ret += checkdeps(syncpkglist); cleanup: alpm_list_free(syncpkglist); return ret; } static void usage(void) { fprintf(stderr, "usage:\n"); fprintf(stderr, "\t%s [-b <pacman db>] : check the local database\n", BASENAME); fprintf(stderr, "\t%s [-b <pacman db>] core extra ... : check the listed sync databases\n", BASENAME); exit(1); } int main(int argc, char *argv[]) { int ret = 0; char *dbpath = DBPATH; int a = 1; alpm_list_t *dbnames = NULL; while(a < argc) { if(strcmp(argv[a], "-b") == 0) { if(++a < argc) { dbpath = argv[a]; } else { usage(); } } else if(strcmp(argv[a], "-h") == 0 || strcmp(argv[a], "--help") == 0 ) { usage(); } else { dbnames = alpm_list_add(dbnames, argv[a]); } a++; } if(alpm_initialize() == -1) { fprintf(stderr, "cannot initialize alpm: %s\n", alpm_strerrorlast()); return EXIT_FAILURE; } /* let us get log messages from libalpm */ alpm_option_set_logcb(output_cb); if(alpm_option_set_dbpath(dbpath) != 0) { fprintf(stderr, "cannot set dbpath: %s\n", alpm_strerrorlast()); return EXIT_FAILURE; } if(!dbnames) { ret = check_localdb(); } else { ret = check_syncdbs(dbnames); alpm_list_free(dbnames); } cleanup(ret); } /* vim: set ts=2 sw=2 noet: */