/* * alpm.c * * Copyright (c) 2002 by Judd Vinet <jvinet@zeroflux.org> * * 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 <stdio.h> #include <stdlib.h> #include <errno.h> #include <fcntl.h> #include <string.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <time.h> #include <syslog.h> #include <limits.h> /* PATH_MAX */ #include <stdarg.h> /* pacman */ #include "log.h" #include "error.h" #include "rpmvercmp.h" #include "md5.h" #include "list.h" #include "package.h" #include "group.h" #include "util.h" #include "db.h" #include "cache.h" #include "deps.h" #include "backup.h" #include "add.h" #include "remove.h" #include "sync.h" #include "handle.h" #include "alpm.h" #define PM_LOCK "/tmp/pacman.lck" /* Globals */ pmhandle_t *handle = NULL; enum __pmerrno_t pm_errno; /* * Library */ int alpm_initialize(char *root) { char str[PATH_MAX]; ASSERT(handle == NULL, RET_ERR(PM_ERR_HANDLE_NOT_NULL, -1)); handle = handle_new(); /* lock db */ if(handle->access == PM_ACCESS_RW) { if(_alpm_lckmk(PM_LOCK) == -1) { FREE(handle); RET_ERR(PM_ERR_HANDLE_LOCK, -1); } } STRNCPY(str, (root) ? root : PM_ROOT, PATH_MAX); /* add a trailing '/' if there isn't one */ if(str[strlen(str)-1] != '/') { strcat(str, "/"); } handle->root = strdup(str); return(0); } int alpm_release() { PMList *i; ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); /* unlock db */ if(handle->access == PM_ACCESS_RW) { if(_alpm_lckrm(PM_LOCK)) { _alpm_log(PM_LOG_WARNING, "could not remove lock file %s", PM_LOCK); alpm_logaction("warning: could not remove lock file %s", PM_LOCK); } } /* close local database */ if(handle->db_local) { db_close(handle->db_local); handle->db_local = NULL; } /* and also sync ones */ for(i = handle->dbs_sync; i; i = i->next) { if(i->data) { db_close(i->data); i->data = NULL; } } FREEHANDLE(handle); return(0); } /* * Options */ int alpm_set_option(unsigned char parm, unsigned long data) { /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); return(handle_set_option(handle, parm, data)); } int alpm_get_option(unsigned char parm, long *data) { /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); ASSERT(data != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); return(handle_get_option(handle, parm, data)); } /* * Databases */ pmdb_t *alpm_db_register(char *treename) { pmdb_t *db; /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, NULL)); ASSERT(treename != NULL && strlen(treename) != 0, RET_ERR(PM_ERR_WRONG_ARGS, NULL)); /* ORE check if the db if already registered */ db = db_open(handle->root, handle->dbpath, treename); if(db == NULL) { /* couldn't open the db directory - try creating it */ if(db_create(handle->root, handle->dbpath, treename) == -1) { RET_ERR(PM_ERR_DB_CREATE, NULL); } db = db_open(handle->root, handle->dbpath, treename); if(db == NULL) { /* couldn't open the db directory */ RET_ERR(PM_ERR_DB_OPEN, NULL); } } if(strcmp(treename, "local") == 0) { handle->db_local = db; } else { handle->dbs_sync = pm_list_add(handle->dbs_sync, db); } return(db); } int alpm_db_unregister(pmdb_t *db) { PMList *i; int found = 0; /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); ASSERT(db != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); if(db == handle->db_local) { db_close(handle->db_local); handle->db_local = NULL; found = 1; } else { for(i = handle->dbs_sync; i && !found; i = i->next) { if(db == i->data) { db_close(i->data); handle->dbs_sync = _alpm_list_remove(handle->dbs_sync, i); found = 1; } } } if(!found) { RET_ERR(PM_ERR_DB_NOT_FOUND, -1); } return(0); } void *alpm_db_getinfo(PM_DB *db, unsigned char parm) { void *data = NULL; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(db != NULL, return(NULL)); switch(parm) { case PM_DB_TREENAME: data = db->treename; break; case PM_DB_LASTUPDATE: data = db->lastupdate; break; default: data = NULL; } return(data); } int alpm_db_update(PM_DB *db, char *archive, char *ts) { struct stat buf; /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); ASSERT(db != NULL && db != handle->db_local, RET_ERR(PM_ERR_WRONG_ARGS, -1)); if(!pm_list_is_ptrin(handle->dbs_sync, db)) { RET_ERR(PM_ERR_DB_NOT_FOUND, -1); } if(ts && strlen(ts) != 0) { char lastupdate[15]; if(db_getlastupdate(db, lastupdate) != -1) { if(strcmp(ts, lastupdate) == 0) { RET_ERR(PM_ERR_DB_UPTODATE, -1); } } } if(stat(archive, &buf)) { /* not found */ RET_ERR(PM_ERR_NOT_A_FILE, -1); } /* Cache needs to be rebuild */ db_free_pkgcache(db); /* remove the old dir */ _alpm_log(PM_LOG_FLOW2, "removing database %s/%s", handle->dbpath, db->treename); /* ORE We should db_remove each db entry, and not rmrf the top directory */ _alpm_rmrf(db->path); /* make the new dir */ if(db_create(handle->root, handle->dbpath, db->treename) != 0) { RET_ERR(PM_ERR_DB_CREATE, -1); } /* uncompress the sync database */ /* ORE we should not simply unpack the archive, but better parse it and db_write each entry */ _alpm_log(PM_LOG_FLOW2, "unpacking %s", archive); if(_alpm_unpack(archive, db->path, NULL)) { RET_ERR(PM_ERR_XXX, -1); } if(ts && strlen(ts) != 0) { if(db_setlastupdate(db, ts) == -1) { RET_ERR(PM_ERR_XXX, -1); } } return(0); } pmpkg_t *alpm_db_readpkg(pmdb_t *db, char *name) { /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(db != NULL, return(NULL)); ASSERT(name != NULL && strlen(name) != 0, return(NULL)); return(db_get_pkgfromcache(db, name)); } PMList *alpm_db_getpkgcache(pmdb_t *db) { /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(db != NULL, return(NULL)); return(db_get_pkgcache(db)); } pmgrp_t *alpm_db_readgrp(pmdb_t *db, char *name) { /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(db != NULL, return(NULL)); ASSERT(name != NULL && strlen(name) != 0, return(NULL)); return(db_get_grpfromcache(db, name)); } PMList *alpm_db_getgrpcache(pmdb_t *db) { /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(db != NULL, return(NULL)); return(db_get_grpcache(db)); } /* * Packages */ void *alpm_pkg_getinfo(pmpkg_t *pkg, unsigned char parm) { void *data = NULL; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); ASSERT(pkg != NULL, return(NULL)); /* Update the cache package entry if needed */ if(pkg->origin == PKG_FROM_CACHE) { switch(parm) { /* Desc entry */ /* ORE not needed: the cache is loaded with DESC and DEPENDS by default case PM_PKG_NAME: case PM_PKG_VERSION: case PM_PKG_DESC: case PM_PKG_GROUPS: case PM_PKG_URL: case PM_PKG_LICENSE: case PM_PKG_ARCH: case PM_PKG_BUILDDATE: case PM_PKG_INSTALLDATE: case PM_PKG_PACKAGER: case PM_PKG_SIZE: case PM_PKG_REASON: case PM_PKG_REPLACES: case PM_PKG_MD5SUM: if(!(pkg->infolevel & INFRQ_DESC)) { char target[(PKG_NAME_LEN-1)+1+(PKG_VERSION_LEN-1)+1]; snprintf(target, (PKG_NAME_LEN-1)+1+(PKG_VERSION_LEN-1)+1, "%s-%s", pkg->name, pkg->version); db_read(pkg->data, target, INFRQ_DESC, pkg); } break;*/ /* Depends entry */ /* ORE not needed: the cache is loaded with DESC and DEPENDS by default case PM_PKG_DEPENDS: case PM_PKG_REQUIREDBY: case PM_PKG_CONFLICTS: case PM_PKG_PROVIDES: if(!(pkg->infolevel & INFRQ_DEPENDS)) { char target[(PKG_NAME_LEN-1)+1+(PKG_VERSION_LEN-1)+1]; snprintf(target, (PKG_NAME_LEN-1)+1+(PKG_VERSION_LEN-1)+1, "%s-%s", pkg->name, pkg->version); db_read(pkg->data, target, INFRQ_DEPENDS, pkg); } break;*/ /* Files entry */ case PM_PKG_FILES: case PM_PKG_BACKUP: if(pkg->data == handle->db_local && !(pkg->infolevel & INFRQ_FILES)) { char target[(PKG_NAME_LEN-1)+1+(PKG_VERSION_LEN-1)+1]; snprintf(target, (PKG_NAME_LEN-1)+1+(PKG_VERSION_LEN-1)+1, "%s-%s", pkg->name, pkg->version); db_read(pkg->data, target, INFRQ_FILES, pkg); } break; /* Scriptlet */ case PM_PKG_SCRIPLET: if(pkg->data == handle->db_local && !(pkg->infolevel & INFRQ_SCRIPLET)) { char target[(PKG_NAME_LEN-1)+1+(PKG_VERSION_LEN-1)+1]; snprintf(target, (PKG_NAME_LEN-1)+1+(PKG_VERSION_LEN-1)+1, "%s-%s", pkg->name, pkg->version); db_read(pkg->data, target, INFRQ_SCRIPLET, pkg); } break; } } switch(parm) { case PM_PKG_NAME: data = pkg->name; break; case PM_PKG_VERSION: data = pkg->version; break; case PM_PKG_DESC: data = pkg->desc; break; case PM_PKG_GROUPS: data = pkg->groups; break; case PM_PKG_URL: data = pkg->url; break; case PM_PKG_LICENSE: data = pkg->license; break; case PM_PKG_ARCH: data = pkg->arch; break; case PM_PKG_BUILDDATE: data = pkg->builddate; break; case PM_PKG_INSTALLDATE: data = pkg->installdate; break; case PM_PKG_PACKAGER: data = pkg->packager; break; case PM_PKG_SIZE: data = (void *)pkg->size; break; case PM_PKG_REASON: data = (void *)(int)pkg->reason; break; case PM_PKG_REPLACES: data = pkg->replaces; break; case PM_PKG_MD5SUM: data = pkg->md5sum; break; case PM_PKG_DEPENDS: data = pkg->depends; break; case PM_PKG_REQUIREDBY: data = pkg->requiredby; break; case PM_PKG_PROVIDES: data = pkg->provides; break; case PM_PKG_CONFLICTS: data = pkg->conflicts; break; case PM_PKG_FILES: data = pkg->files; break; case PM_PKG_BACKUP: data = pkg->backup; break; case PM_PKG_SCRIPLET: data = (void *)(int)pkg->scriptlet; break; case PM_PKG_DATA: data = pkg->data; break; default: data = NULL; break; } return(data); } int alpm_pkg_load(char *filename, pmpkg_t **pkg) { /* Sanity checks */ ASSERT(filename != NULL && strlen(filename) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1)); ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); *pkg = pkg_load(filename); if(*pkg == NULL) { /* pm_errno is set by pkg_load */ return(-1); } return(0); } void alpm_pkg_free(pmpkg_t *pkg) { if(pkg == NULL) { return; } pkg_free(pkg); } int alpm_pkg_vercmp(const char *ver1, const char *ver2) { return(rpmvercmp(ver1, ver2)); } /* * Groups */ void *alpm_grp_getinfo(pmgrp_t *grp, unsigned char parm) { void *data = NULL; /* Sanity checks */ ASSERT(grp != NULL, return(NULL)); switch(parm) { case PM_GRP_NAME: data = grp->name; break; case PM_GRP_PKGNAMES: data = grp->packages; break; default: data = NULL; break; } return(data); } /* * Sync operations */ void *alpm_sync_getinfo(pmsyncpkg_t *sync, unsigned char parm) { void *data; /* Sanity checks */ ASSERT(sync != NULL, return(NULL)); switch(parm) { case PM_SYNC_TYPE: data = (void *)(int)sync->type; break; case PM_SYNC_PKG: data = sync->pkg; break; case PM_SYNC_DATA: data = sync->data; break; default: data = NULL; break; } return(data); } /* * Transactions */ void *alpm_trans_getinfo(unsigned char parm) { pmtrans_t *trans; void *data; /* Sanity checks */ ASSERT(handle != NULL, return(NULL)); trans = handle->trans; switch(parm) { case PM_TRANS_TYPE: data = (void *)(int)trans->type; break; case PM_TRANS_FLAGS: data = (void *)(int)trans->flags; break; case PM_TRANS_TARGETS: data = trans->targets; break; case PM_TRANS_PACKAGES: data = trans->packages; break; default: data = NULL; break; } return(data); } int alpm_trans_init(unsigned char type, unsigned char flags, alpm_trans_cb cb) { /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1)); handle->trans = trans_new(); if(handle->trans == NULL) { RET_ERR(PM_ERR_MEMORY, -1); } return(trans_init(handle->trans, type, flags, cb)); } int alpm_trans_sysupgrade() { pmtrans_t *trans; ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); trans = handle->trans; ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1)); ASSERT(trans->type == PM_TRANS_TYPE_SYNC, RET_ERR(PM_ERR_XXX, -1)); return(trans_sysupgrade(trans)); } int alpm_trans_addtarget(char *target) { pmtrans_t *trans; /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); ASSERT(target != NULL && strlen(target) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1)); trans = handle->trans; ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1)); return(trans_addtarget(trans, target)); } int alpm_trans_prepare(PMList **data) { pmtrans_t *trans; /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); ASSERT(data != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); trans = handle->trans; ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1)); return(trans_prepare(handle->trans, data)); } int alpm_trans_commit() { pmtrans_t *trans; /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); trans = handle->trans; ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); ASSERT(trans->state == STATE_PREPARED, RET_ERR(PM_ERR_TRANS_NOT_PREPARED, -1)); /* ORE ASSERT(handle->access != PM_ACCESS_RW, RET_ERR(PM_ERR_BAD_PERMS, -1));*/ return(trans_commit(handle->trans)); } int alpm_trans_release() { pmtrans_t *trans; /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); trans = handle->trans; ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); ASSERT(trans->state != STATE_IDLE, RET_ERR(PM_ERR_TRANS_NULL, -1)); FREETRANS(handle->trans); return(0); } /* * Dependencies */ void *alpm_dep_getinfo(pmdepmissing_t *miss, unsigned char parm) { void *data; /* Sanity checks */ ASSERT(miss != NULL, return(NULL)); switch(parm) { case PM_DEP_TARGET: data = (void *)(int)miss->target; break; case PM_DEP_TYPE: data = (void *)(int)miss->type; break; case PM_DEP_MOD: data = (void *)(int)miss->depend.mod; break; case PM_DEP_NAME: data = miss->depend.name; break; case PM_DEP_VERSION: data = miss->depend.version; break; default: data = NULL; break; } return(data); } /* * Log facilities */ int alpm_logaction(char *fmt, ...) { char str[LOG_STR_LEN]; va_list args; /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); va_start(args, fmt); vsnprintf(str, LOG_STR_LEN, fmt, args); va_end(args); /* ORE We should add a prefix to log strings depending on who called us. If logaction was called by the frontend: USER: <the frontend log> and if called internally: ALPM: <the library log> Moreover, the frontend should be able to choose its prefix (USER by default?): pacman: "PACMAN" kpacman: "KPACMAN" ... It allows to share the log file between several frontends and to actually know who does what */ return(_alpm_log_action(handle->usesyslog, handle->logfd, str)); } /* * Lists wrappers */ PMList *alpm_list_first(PMList *list) { ASSERT(list != NULL, return(NULL)); return(list); } PMList *alpm_list_next(PMList *entry) { ASSERT(entry != NULL, return(NULL)); return(entry->next); } void *alpm_list_getdata(PMList *entry) { ASSERT(entry != NULL, return(NULL)); return(entry->data); } int alpm_list_free(PMList *entry) { if(entry) { /* ORE does not free all memory for packages... */ FREELIST(entry); } return(0); } /* * Misc wrappers */ char *alpm_get_md5sum(char *name) { ASSERT(name != NULL, return(NULL)); return(MDFile(name)); } /* vim: set ts=2 sw=2 noet: */