diff options
Diffstat (limited to 'lib/libalpm/be_local.c')
| -rw-r--r-- | lib/libalpm/be_local.c | 962 |
1 files changed, 962 insertions, 0 deletions
diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c new file mode 100644 index 00000000..b2a50cc8 --- /dev/null +++ b/lib/libalpm/be_local.c @@ -0,0 +1,962 @@ +/* + * be_local.c + * + * Copyright (c) 2006-2010 Pacman Development Team <pacman-dev@archlinux.org> + * Copyright (c) 2002-2006 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, 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 <stdint.h> /* intmax_t */ +#include <sys/stat.h> +#include <dirent.h> +#include <ctype.h> +#include <time.h> +#include <limits.h> /* PATH_MAX */ +#include <locale.h> /* setlocale */ + +/* libarchive */ +#include <archive.h> +#include <archive_entry.h> + +/* libalpm */ +#include "db.h" +#include "alpm_list.h" +#include "log.h" +#include "util.h" +#include "alpm.h" +#include "handle.h" +#include "package.h" +#include "group.h" +#include "deps.h" +#include "dload.h" + + +#define LAZY_LOAD(info, errret) \ + do { \ + ALPM_LOG_FUNC; \ + ASSERT(handle != NULL, return(errret)); \ + ASSERT(pkg != NULL, return(errret)); \ + if(pkg->origin != PKG_FROM_FILE && !(pkg->infolevel & info)) { \ + _alpm_local_db_read(pkg->origin_data.db, pkg, info); \ + } \ + } while(0) + + +/* Cache-specific accessor functions. These implementations allow for lazy + * loading by the files backend when a data member is actually needed + * rather than loading all pieces of information when the package is first + * initialized. + */ + +static const char *_cache_get_filename(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->filename; +} + +static const char *_cache_get_name(pmpkg_t *pkg) +{ + ASSERT(pkg != NULL, return(NULL)); + return pkg->name; +} + +static const char *_cache_get_version(pmpkg_t *pkg) +{ + ASSERT(pkg != NULL, return(NULL)); + return pkg->version; +} + +static const char *_cache_get_desc(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->desc; +} + +static const char *_cache_get_url(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->url; +} + +static time_t _cache_get_builddate(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, 0); + return pkg->builddate; +} + +static time_t _cache_get_installdate(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, 0); + return pkg->installdate; +} + +static const char *_cache_get_packager(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->packager; +} + +static const char *_cache_get_md5sum(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->md5sum; +} + +static const char *_cache_get_arch(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->arch; +} + +static off_t _cache_get_size(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, -1); + return pkg->size; +} + +static off_t _cache_get_isize(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, -1); + return pkg->isize; +} + +static pmpkgreason_t _cache_get_reason(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, -1); + return pkg->reason; +} + +static alpm_list_t *_cache_get_licenses(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->licenses; +} + +static alpm_list_t *_cache_get_groups(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->groups; +} + +static int _cache_get_epoch(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, -1); + return pkg->epoch; +} + +static int _cache_has_scriptlet(pmpkg_t *pkg) +{ + ALPM_LOG_FUNC; + + /* Sanity checks */ + ASSERT(handle != NULL, return(-1)); + ASSERT(pkg != NULL, return(-1)); + + if(!(pkg->infolevel & INFRQ_SCRIPTLET)) { + _alpm_local_db_read(pkg->origin_data.db, pkg, INFRQ_SCRIPTLET); + } + return pkg->scriptlet; +} + +static alpm_list_t *_cache_get_depends(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->depends; +} + +static alpm_list_t *_cache_get_optdepends(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->optdepends; +} + +static alpm_list_t *_cache_get_conflicts(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->conflicts; +} + +static alpm_list_t *_cache_get_provides(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->provides; +} + +static alpm_list_t *_cache_get_replaces(pmpkg_t *pkg) +{ + LAZY_LOAD(INFRQ_DESC, NULL); + return pkg->replaces; +} + +/* local packages can not have deltas */ +static alpm_list_t *_cache_get_deltas(pmpkg_t *pkg) +{ + return NULL; +} + +static alpm_list_t *_cache_get_files(pmpkg_t *pkg) +{ + ALPM_LOG_FUNC; + + /* Sanity checks */ + ASSERT(handle != NULL, return(NULL)); + ASSERT(pkg != NULL, return(NULL)); + + if(pkg->origin == PKG_FROM_LOCALDB + && !(pkg->infolevel & INFRQ_FILES)) { + _alpm_local_db_read(pkg->origin_data.db, pkg, INFRQ_FILES); + } + return pkg->files; +} + +static alpm_list_t *_cache_get_backup(pmpkg_t *pkg) +{ + ALPM_LOG_FUNC; + + /* Sanity checks */ + ASSERT(handle != NULL, return(NULL)); + ASSERT(pkg != NULL, return(NULL)); + + if(pkg->origin == PKG_FROM_LOCALDB + && !(pkg->infolevel & INFRQ_FILES)) { + _alpm_local_db_read(pkg->origin_data.db, pkg, INFRQ_FILES); + } + return pkg->backup; +} + +/** + * Open a package changelog for reading. Similar to fopen in functionality, + * except that the returned 'file stream' is from the database. + * @param pkg the package (from db) to read the changelog + * @return a 'file stream' to the package changelog + */ +static void *_cache_changelog_open(pmpkg_t *pkg) +{ + ALPM_LOG_FUNC; + + /* Sanity checks */ + ASSERT(handle != NULL, return(NULL)); + ASSERT(pkg != NULL, return(NULL)); + + char clfile[PATH_MAX]; + snprintf(clfile, PATH_MAX, "%s/%s/%s-%s/changelog", + alpm_option_get_dbpath(), + alpm_db_get_name(alpm_pkg_get_db(pkg)), + alpm_pkg_get_name(pkg), + alpm_pkg_get_version(pkg)); + return fopen(clfile, "r"); +} + +/** + * Read data from an open changelog 'file stream'. Similar to fread in + * functionality, this function takes a buffer and amount of data to read. + * @param ptr a buffer to fill with raw changelog data + * @param size the size of the buffer + * @param pkg the package that the changelog is being read from + * @param fp a 'file stream' to the package changelog + * @return the number of characters read, or 0 if there is no more data + */ +static size_t _cache_changelog_read(void *ptr, size_t size, + const pmpkg_t *pkg, const void *fp) +{ + return ( fread(ptr, 1, size, (FILE*)fp) ); +} + +/* +static int _cache_changelog_feof(const pmpkg_t *pkg, void *fp) +{ + return( feof((FILE*)fp) ); +} +*/ + +/** + * Close a package changelog for reading. Similar to fclose in functionality, + * except that the 'file stream' is from the database. + * @param pkg the package that the changelog was read from + * @param fp a 'file stream' to the package changelog + * @return whether closing the package changelog stream was successful + */ +static int _cache_changelog_close(const pmpkg_t *pkg, void *fp) +{ + return( fclose((FILE*)fp) ); +} + + +/** The local database operations struct. Get package fields through + * lazy accessor methods that handle any backend loading and caching + * logic. + */ +static struct pkg_operations local_pkg_ops = { + .get_filename = _cache_get_filename, + .get_name = _cache_get_name, + .get_version = _cache_get_version, + .get_desc = _cache_get_desc, + .get_url = _cache_get_url, + .get_builddate = _cache_get_builddate, + .get_installdate = _cache_get_installdate, + .get_packager = _cache_get_packager, + .get_md5sum = _cache_get_md5sum, + .get_arch = _cache_get_arch, + .get_size = _cache_get_size, + .get_isize = _cache_get_isize, + .get_reason = _cache_get_reason, + .get_epoch = _cache_get_epoch, + .has_scriptlet = _cache_has_scriptlet, + .get_licenses = _cache_get_licenses, + .get_groups = _cache_get_groups, + .get_depends = _cache_get_depends, + .get_optdepends = _cache_get_optdepends, + .get_conflicts = _cache_get_conflicts, + .get_provides = _cache_get_provides, + .get_replaces = _cache_get_replaces, + .get_deltas = _cache_get_deltas, + .get_files = _cache_get_files, + .get_backup = _cache_get_backup, + + .changelog_open = _cache_changelog_open, + .changelog_read = _cache_changelog_read, + .changelog_close = _cache_changelog_close, +}; + +static int checkdbdir(pmdb_t *db) +{ + struct stat buf; + const char *path = _alpm_db_path(db); + + if(stat(path, &buf) != 0) { + _alpm_log(PM_LOG_DEBUG, "database dir '%s' does not exist, creating it\n", + path); + if(_alpm_makepath(path) != 0) { + RET_ERR(PM_ERR_SYSTEM, -1); + } + } else if(!S_ISDIR(buf.st_mode)) { + _alpm_log(PM_LOG_WARNING, _("removing invalid database: %s\n"), path); + if(unlink(path) != 0 || _alpm_makepath(path) != 0) { + RET_ERR(PM_ERR_SYSTEM, -1); + } + } + return(0); +} + +static int is_dir(const char *path, struct dirent *entry) +{ +#ifdef HAVE_STRUCT_DIRENT_D_TYPE + return(entry->d_type == DT_DIR); +#else + char buffer[PATH_MAX]; + snprintf(buffer, PATH_MAX, "%s/%s", path, entry->d_name); + + struct stat sbuf; + if (!stat(buffer, &sbuf)) { + return(S_ISDIR(sbuf.st_mode)); + } + + return(0); +#endif +} + +static int local_db_populate(pmdb_t *db) +{ + int count = 0; + struct dirent *ent = NULL; + const char *dbpath; + DIR *dbdir; + + ALPM_LOG_FUNC; + + ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1)); + + dbpath = _alpm_db_path(db); + if(dbpath == NULL) { + return(-1); + } + dbdir = opendir(dbpath); + if(dbdir == NULL) { + return(0); + } + while((ent = readdir(dbdir)) != NULL) { + const char *name = ent->d_name; + + pmpkg_t *pkg; + + if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0) { + continue; + } + if(!is_dir(dbpath, ent)) { + continue; + } + + pkg = _alpm_pkg_new(); + if(pkg == NULL) { + closedir(dbdir); + return(-1); + } + /* split the db entry name */ + if(_alpm_splitname(name, pkg) != 0) { + _alpm_log(PM_LOG_ERROR, _("invalid name for database entry '%s'\n"), + name); + _alpm_pkg_free(pkg); + continue; + } + + /* duplicated database entries are not allowed */ + if(_alpm_pkg_find(db->pkgcache, pkg->name)) { + _alpm_log(PM_LOG_ERROR, _("duplicated database entry '%s'\n"), pkg->name); + _alpm_pkg_free(pkg); + continue; + } + + /* explicitly read with only 'BASE' data, accessors will handle the rest */ + if(_alpm_local_db_read(db, pkg, INFRQ_BASE) == -1) { + _alpm_log(PM_LOG_ERROR, _("corrupted database entry '%s'\n"), name); + _alpm_pkg_free(pkg); + continue; + } + + pkg->origin = PKG_FROM_LOCALDB; + pkg->ops = &local_pkg_ops; + + pkg->origin_data.db = db; + /* add to the collection */ + _alpm_log(PM_LOG_FUNCTION, "adding '%s' to package cache for db '%s'\n", + pkg->name, db->treename); + db->pkgcache = alpm_list_add(db->pkgcache, pkg); + count++; + } + + closedir(dbdir); + db->pkgcache = alpm_list_msort(db->pkgcache, count, _alpm_pkg_cmp); + return(count); +} + +/* Note: the return value must be freed by the caller */ +static char *get_pkgpath(pmdb_t *db, pmpkg_t *info) +{ + size_t len; + char *pkgpath; + const char *dbpath; + + dbpath = _alpm_db_path(db); + len = strlen(dbpath) + strlen(info->name) + strlen(info->version) + 3; + MALLOC(pkgpath, len, RET_ERR(PM_ERR_MEMORY, NULL)); + sprintf(pkgpath, "%s%s-%s/", dbpath, info->name, info->version); + return(pkgpath); +} + + +int _alpm_local_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq) +{ + FILE *fp = NULL; + char path[PATH_MAX]; + char line[1024]; + char *pkgpath = NULL; + + ALPM_LOG_FUNC; + + if(db == NULL) { + RET_ERR(PM_ERR_DB_NULL, -1); + } + + if(info == NULL || info->name == NULL || info->version == NULL) { + _alpm_log(PM_LOG_DEBUG, "invalid package entry provided to _alpm_local_db_read, skipping\n"); + return(-1); + } + + if(info->origin == PKG_FROM_FILE) { + _alpm_log(PM_LOG_DEBUG, "request to read database info for a file-based package '%s', skipping...\n", info->name); + return(-1); + } + + /* bitmask logic here: + * infolevel: 00001111 + * inforeq: 00010100 + * & result: 00000100 + * == to inforeq? nope, we need to load more info. */ + if((info->infolevel & inforeq) == inforeq) { + /* already loaded this info, do nothing */ + return(0); + } + _alpm_log(PM_LOG_FUNCTION, "loading package data for %s : level=0x%x\n", + info->name, inforeq); + + /* clear out 'line', to be certain - and to make valgrind happy */ + memset(line, 0, sizeof(line)); + + pkgpath = get_pkgpath(db, info); + + if(access(pkgpath, F_OK)) { + /* directory doesn't exist or can't be opened */ + _alpm_log(PM_LOG_DEBUG, "cannot find '%s-%s' in db '%s'\n", + info->name, info->version, db->treename); + goto error; + } + + /* DESC */ + if(inforeq & INFRQ_DESC) { + snprintf(path, PATH_MAX, "%sdesc", pkgpath); + if((fp = fopen(path, "r")) == NULL) { + _alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno)); + goto error; + } + while(!feof(fp)) { + if(fgets(line, sizeof(line), fp) == NULL) { + break; + } + _alpm_strtrim(line); + if(strcmp(line, "%NAME%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + if(strcmp(_alpm_strtrim(line), info->name) != 0) { + _alpm_log(PM_LOG_ERROR, _("%s database is inconsistent: name " + "mismatch on package %s\n"), db->treename, info->name); + } + } else if(strcmp(line, "%VERSION%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + if(strcmp(_alpm_strtrim(line), info->version) != 0) { + _alpm_log(PM_LOG_ERROR, _("%s database is inconsistent: version " + "mismatch on package %s\n"), db->treename, info->name); + } + } else if(strcmp(line, "%DESC%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + STRDUP(info->desc, _alpm_strtrim(line), goto error); + } else if(strcmp(line, "%GROUPS%") == 0) { + while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) { + char *linedup; + STRDUP(linedup, _alpm_strtrim(line), goto error); + info->groups = alpm_list_add(info->groups, linedup); + } + } else if(strcmp(line, "%URL%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + STRDUP(info->url, _alpm_strtrim(line), goto error); + } else if(strcmp(line, "%LICENSE%") == 0) { + while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) { + char *linedup; + STRDUP(linedup, _alpm_strtrim(line), goto error); + info->licenses = alpm_list_add(info->licenses, linedup); + } + } else if(strcmp(line, "%ARCH%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + STRDUP(info->arch, _alpm_strtrim(line), goto error); + } else if(strcmp(line, "%BUILDDATE%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + _alpm_strtrim(line); + + char first = tolower((unsigned char)line[0]); + if(first > 'a' && first < 'z') { + struct tm tmp_tm = {0}; /* initialize to null in case of failure */ + setlocale(LC_TIME, "C"); + strptime(line, "%a %b %e %H:%M:%S %Y", &tmp_tm); + info->builddate = mktime(&tmp_tm); + setlocale(LC_TIME, ""); + } else { + info->builddate = atol(line); + } + } else if(strcmp(line, "%INSTALLDATE%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + _alpm_strtrim(line); + + char first = tolower((unsigned char)line[0]); + if(first > 'a' && first < 'z') { + struct tm tmp_tm = {0}; /* initialize to null in case of failure */ + setlocale(LC_TIME, "C"); + strptime(line, "%a %b %e %H:%M:%S %Y", &tmp_tm); + info->installdate = mktime(&tmp_tm); + setlocale(LC_TIME, ""); + } else { + info->installdate = atol(line); + } + } else if(strcmp(line, "%PACKAGER%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + STRDUP(info->packager, _alpm_strtrim(line), goto error); + } else if(strcmp(line, "%REASON%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + info->reason = (pmpkgreason_t)atol(_alpm_strtrim(line)); + } else if(strcmp(line, "%SIZE%") == 0) { + /* NOTE: the CSIZE and SIZE fields both share the "size" field + * in the pkginfo_t struct. This can be done b/c CSIZE + * is currently only used in sync databases, and SIZE is + * only used in local databases. + */ + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + info->size = atol(_alpm_strtrim(line)); + /* also store this value to isize */ + info->isize = info->size; + } else if(strcmp(line, "%REPLACES%") == 0) { + while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) { + char *linedup; + STRDUP(linedup, _alpm_strtrim(line), goto error); + info->replaces = alpm_list_add(info->replaces, linedup); + } + } else if(strcmp(line, "%EPOCH%") == 0) { + if(fgets(line, sizeof(line), fp) == NULL) { + goto error; + } + info->epoch = atoi(_alpm_strtrim(line)); + } else if(strcmp(line, "%FORCE%") == 0) { + /* For backward compatibility, treat force as a non-zero epoch + * but only if we didn't already have a known epoch value. */ + if(!info->epoch) { + info->epoch = 1; + } + } else if(strcmp(line, "%DEPENDS%") == 0) { + while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) { + pmdepend_t *dep = _alpm_splitdep(_alpm_strtrim(line)); + info->depends = alpm_list_add(info->depends, dep); + } + } else if(strcmp(line, "%OPTDEPENDS%") == 0) { + while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) { + char *linedup; + STRDUP(linedup, _alpm_strtrim(line), goto error); + info->optdepends = alpm_list_add(info->optdepends, linedup); + } + } else if(strcmp(line, "%CONFLICTS%") == 0) { + while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) { + char *linedup; + STRDUP(linedup, _alpm_strtrim(line), goto error); + info->conflicts = alpm_list_add(info->conflicts, linedup); + } + } else if(strcmp(line, "%PROVIDES%") == 0) { + while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) { + char *linedup; + STRDUP(linedup, _alpm_strtrim(line), goto error); + info->provides = alpm_list_add(info->provides, linedup); + } + } + } + fclose(fp); + fp = NULL; + } + + /* FILES */ + if(inforeq & INFRQ_FILES) { + snprintf(path, PATH_MAX, "%sfiles", pkgpath); + if((fp = fopen(path, "r")) == NULL) { + _alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno)); + goto error; + } + while(fgets(line, sizeof(line), fp)) { + _alpm_strtrim(line); + if(strcmp(line, "%FILES%") == 0) { + while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) { + char *linedup; + STRDUP(linedup, _alpm_strtrim(line), goto error); + info->files = alpm_list_add(info->files, linedup); + } + } else if(strcmp(line, "%BACKUP%") == 0) { + while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) { + char *linedup; + STRDUP(linedup, _alpm_strtrim(line), goto error); + info->backup = alpm_list_add(info->backup, linedup); + } + } + } + fclose(fp); + fp = NULL; + } + + /* INSTALL */ + if(inforeq & INFRQ_SCRIPTLET) { + snprintf(path, PATH_MAX, "%sinstall", pkgpath); + if(access(path, F_OK) == 0) { + info->scriptlet = 1; + } + } + + /* internal */ + info->infolevel |= inforeq; + + free(pkgpath); + return(0); + +error: + free(pkgpath); + if(fp) { + fclose(fp); + } + return(-1); +} + +int _alpm_local_db_prepare(pmdb_t *db, pmpkg_t *info) +{ + mode_t oldmask; + int retval = 0; + char *pkgpath = NULL; + + if(checkdbdir(db) != 0) { + return(-1); + } + + oldmask = umask(0000); + pkgpath = get_pkgpath(db, info); + + if((retval = mkdir(pkgpath, 0755)) != 0) { + _alpm_log(PM_LOG_ERROR, _("could not create directory %s: %s\n"), + pkgpath, strerror(errno)); + } + + free(pkgpath); + umask(oldmask); + + return(retval); +} + +int _alpm_local_db_write(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq) +{ + FILE *fp = NULL; + char path[PATH_MAX]; + mode_t oldmask; + alpm_list_t *lp = NULL; + int retval = 0; + char *pkgpath = NULL; + + ALPM_LOG_FUNC; + + if(db == NULL || info == NULL) { + return(-1); + } + + pkgpath = get_pkgpath(db, info); + + /* make sure we have a sane umask */ + oldmask = umask(0022); + + if(strcmp(db->treename, "local") != 0) { + return(-1); + } + + /* DESC */ + if(inforeq & INFRQ_DESC) { + _alpm_log(PM_LOG_DEBUG, "writing %s-%s DESC information back to db\n", + info->name, info->version); + snprintf(path, PATH_MAX, "%sdesc", pkgpath); + if((fp = fopen(path, "w")) == NULL) { + _alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno)); + retval = -1; + goto cleanup; + } + fprintf(fp, "%%NAME%%\n%s\n\n" + "%%VERSION%%\n%s\n\n", info->name, info->version); + if(info->desc) { + fprintf(fp, "%%DESC%%\n" + "%s\n\n", info->desc); + } + if(info->groups) { + fputs("%GROUPS%\n", fp); + for(lp = info->groups; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char *)lp->data); + } + fprintf(fp, "\n"); + } + if(info->replaces) { + fputs("%REPLACES%\n", fp); + for(lp = info->replaces; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char *)lp->data); + } + fprintf(fp, "\n"); + } + if(info->epoch) { + fprintf(fp, "%%EPOCH%%\n" + "%d\n\n", info->epoch); + } + if(info->url) { + fprintf(fp, "%%URL%%\n" + "%s\n\n", info->url); + } + if(info->licenses) { + fputs("%LICENSE%\n", fp); + for(lp = info->licenses; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char *)lp->data); + } + fprintf(fp, "\n"); + } + if(info->arch) { + fprintf(fp, "%%ARCH%%\n" + "%s\n\n", info->arch); + } + if(info->builddate) { + fprintf(fp, "%%BUILDDATE%%\n" + "%ld\n\n", info->builddate); + } + if(info->installdate) { + fprintf(fp, "%%INSTALLDATE%%\n" + "%ld\n\n", info->installdate); + } + if(info->packager) { + fprintf(fp, "%%PACKAGER%%\n" + "%s\n\n", info->packager); + } + if(info->isize) { + /* only write installed size, csize is irrelevant once installed */ + fprintf(fp, "%%SIZE%%\n" + "%jd\n\n", (intmax_t)info->isize); + } + if(info->reason) { + fprintf(fp, "%%REASON%%\n" + "%u\n\n", info->reason); + } + if(info->depends) { + fputs("%DEPENDS%\n", fp); + for(lp = info->depends; lp; lp = lp->next) { + char *depstring = alpm_dep_compute_string(lp->data); + fprintf(fp, "%s\n", depstring); + free(depstring); + } + fprintf(fp, "\n"); + } + if(info->optdepends) { + fputs("%OPTDEPENDS%\n", fp); + for(lp = info->optdepends; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char *)lp->data); + } + fprintf(fp, "\n"); + } + if(info->conflicts) { + fputs("%CONFLICTS%\n", fp); + for(lp = info->conflicts; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char *)lp->data); + } + fprintf(fp, "\n"); + } + if(info->provides) { + fputs("%PROVIDES%\n", fp); + for(lp = info->provides; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char *)lp->data); + } + fprintf(fp, "\n"); + } + + fclose(fp); + fp = NULL; + } + + /* FILES */ + if(inforeq & INFRQ_FILES) { + _alpm_log(PM_LOG_DEBUG, "writing %s-%s FILES information back to db\n", + info->name, info->version); + snprintf(path, PATH_MAX, "%sfiles", pkgpath); + if((fp = fopen(path, "w")) == NULL) { + _alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno)); + retval = -1; + goto cleanup; + } + if(info->files) { + fprintf(fp, "%%FILES%%\n"); + for(lp = info->files; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char *)lp->data); + } + fprintf(fp, "\n"); + } + if(info->backup) { + fprintf(fp, "%%BACKUP%%\n"); + for(lp = info->backup; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char *)lp->data); + } + fprintf(fp, "\n"); + } + fclose(fp); + fp = NULL; + } + + /* INSTALL */ + /* nothing needed here (script is automatically extracted) */ + +cleanup: + umask(oldmask); + free(pkgpath); + + if(fp) { + fclose(fp); + } + + return(retval); +} + +int _alpm_local_db_remove(pmdb_t *db, pmpkg_t *info) +{ + int ret = 0; + char *pkgpath = NULL; + + ALPM_LOG_FUNC; + + if(db == NULL || info == NULL) { + RET_ERR(PM_ERR_DB_NULL, -1); + } + + pkgpath = get_pkgpath(db, info); + + ret = _alpm_rmrf(pkgpath); + free(pkgpath); + if(ret != 0) { + ret = -1; + } + return(ret); +} + +struct db_operations local_db_ops = { + .populate = local_db_populate, + .unregister = _alpm_db_unregister, +}; + +pmdb_t *_alpm_db_register_local(void) +{ + pmdb_t *db; + + ALPM_LOG_FUNC; + + if(handle->db_local != NULL) { + _alpm_log(PM_LOG_WARNING, _("attempt to re-register the 'local' DB\n")); + RET_ERR(PM_ERR_DB_NOT_NULL, NULL); + } + + _alpm_log(PM_LOG_DEBUG, "registering local database\n"); + + db = _alpm_db_new("local", 1); + db->ops = &local_db_ops; + if(db == NULL) { + RET_ERR(PM_ERR_DB_CREATE, NULL); + } + + handle->db_local = db; + return(db); +} + + +/* vim: set ts=2 sw=2 noet: */ |