/* * 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, * USA. */ #include <unistd.h> #include <stdio.h> #include <stdlib.h> #include <errno.h> #include <limits.h> #include <string.h> #include <sys/stat.h> #include <dirent.h> #include <libgen.h> #include <alpm.h> #include <alpm_list.h> int str_cmp(const void *s1, const void *s2) { return(strcmp(s1, s2)); } static void diffrqdby(const char *pkgname, alpm_list_t *oldrqdby, alpm_list_t *newrqdby) { oldrqdby = alpm_list_msort(oldrqdby, alpm_list_count(oldrqdby), str_cmp); newrqdby = alpm_list_msort(newrqdby, alpm_list_count(newrqdby), str_cmp); alpm_list_t *i = oldrqdby; alpm_list_t *j = newrqdby; while(i || j) { char *s1 = NULL; char *s2 = NULL; int n; if(i && !j) { n = -1; } else if(!i && j) { n = 1; } else { s1 = i->data; s2 = j->data; n = strcmp(s1, s2); } if(n < 0) { s1 = i->data; printf("wrong requiredby for %s : %s\n", pkgname, s1); i = i->next; } else if (n > 0) { s2 = j->data; printf("missing requiredby for %s : %s\n", pkgname, s2); j = j->next; } else { i = i->next; j = j->next; } } } static void cleanup(int signum) { if(alpm_release() == -1) { fprintf(stderr, "error releasing alpm: %s\n", alpm_strerrorlast()); } exit(signum); } void output_cb(pmloglevel_t level, 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); printf("\n"); } } static int db_test(char *dbpath) { struct dirent *ent; char path[PATH_MAX]; struct stat buf; int ret = 0; DIR *dir; if(!(dir = opendir(dbpath))) { fprintf(stderr, "error : %s : %s\n", dbpath, strerror(errno)); return(1); } while ((ent = readdir(dir)) != NULL) { if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) { continue; } /* check for desc, depends, and files */ snprintf(path, PATH_MAX, "%s/%s/desc", dbpath, ent->d_name); if(stat(path, &buf)) { printf("%s: description file is missing\n", ent->d_name); ret++; } snprintf(path, PATH_MAX, "%s/%s/depends", dbpath, ent->d_name); if(stat(path, &buf)) { printf("%s: dependency file is missing\n", ent->d_name); ret++; } snprintf(path, PATH_MAX, "%s/%s/files", dbpath, ent->d_name); if(stat(path, &buf)) { printf("%s: file list is missing\n", ent->d_name); ret++; } } return(ret); } int main(int argc, char **argv) { int retval = 0; /* default = false */ pmdb_t *db = NULL; char *dbpath; char localdbpath[PATH_MAX]; alpm_list_t *i; if(argc == 1) { dbpath = DBPATH; } else if(argc == 3 && strcmp(argv[1], "-b") == 0) { dbpath = argv[2]; } else { fprintf(stderr, "usage: %s -b <pacman db>\n", basename(argv[0])); return(1); } snprintf(localdbpath, PATH_MAX, "%s/local", dbpath); retval = db_test(localdbpath); if(retval) { return(retval); } if(alpm_initialize() == -1) { fprintf(stderr, "cannot initialize alpm: %s\n", alpm_strerrorlast()); return(1); } /* let us get log messages from libalpm */ alpm_option_set_logcb(output_cb); alpm_option_set_dbpath(dbpath); db = alpm_db_register_local(); if(db == NULL) { fprintf(stderr, "error: could not register 'local' database (%s)\n", alpm_strerrorlast()); cleanup(EXIT_FAILURE); } /* check dependencies */ alpm_list_t *data; data = alpm_checkdeps(db, PM_TRANS_TYPE_ADD, alpm_db_getpkgcache(db)); for(i = data; i; i = alpm_list_next(i)) { pmdepmissing_t *miss = alpm_list_getdata(i); pmdepend_t *dep = alpm_miss_get_dep(miss); printf("missing dependency for %s : %s\n", alpm_miss_get_target(miss), alpm_dep_get_name(dep)); } /* check requiredby */ for(i = alpm_db_getpkgcache(db); i; i = alpm_list_next(i)) { pmpkg_t *pkg = alpm_list_getdata(i); const char *pkgname = alpm_pkg_get_name(pkg); alpm_list_t *rqdby = alpm_pkg_compute_requiredby(pkg); diffrqdby(pkgname, alpm_pkg_get_requiredby(pkg), rqdby); } cleanup(retval); }