pacman/lib/libalpm/be_sync.c

907 lines
24 KiB
C

/*
* be_sync.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 <errno.h>
#include <dirent.h>
#include <ctype.h>
/* libarchive */
#include <archive.h>
#include <archive_entry.h>
/* libalpm */
#include "util.h"
#include "log.h"
#include "alpm.h"
#include "alpm_list.h"
#include "package.h"
#include "handle.h"
#include "delta.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_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.
*/
const char *_sync_cache_get_filename(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->filename;
}
const char *_sync_cache_get_name(pmpkg_t *pkg)
{
ASSERT(pkg != NULL, return(NULL));
return pkg->name;
}
static const char *_sync_cache_get_version(pmpkg_t *pkg)
{
ASSERT(pkg != NULL, return(NULL));
return pkg->version;
}
static const char *_sync_cache_get_desc(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->desc;
}
const char *_sync_cache_get_url(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->url;
}
time_t _sync_cache_get_builddate(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, 0);
return pkg->builddate;
}
time_t _sync_cache_get_installdate(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, 0);
return pkg->installdate;
}
const char *_sync_cache_get_packager(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->packager;
}
const char *_sync_cache_get_md5sum(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->md5sum;
}
const char *_sync_cache_get_arch(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->arch;
}
off_t _sync_cache_get_size(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, -1);
return pkg->size;
}
off_t _sync_cache_get_isize(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, -1);
return pkg->isize;
}
pmpkgreason_t _sync_cache_get_reason(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, -1);
return pkg->reason;
}
alpm_list_t *_sync_cache_get_licenses(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->licenses;
}
alpm_list_t *_sync_cache_get_groups(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->groups;
}
int _sync_cache_has_force(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, -1);
return pkg->force;
}
alpm_list_t *_sync_cache_get_depends(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DEPENDS, NULL);
return pkg->depends;
}
alpm_list_t *_sync_cache_get_optdepends(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DEPENDS, NULL);
return pkg->optdepends;
}
alpm_list_t *_sync_cache_get_conflicts(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DEPENDS, NULL);
return pkg->conflicts;
}
alpm_list_t *_sync_cache_get_provides(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DEPENDS, NULL);
return pkg->provides;
}
alpm_list_t *_sync_cache_get_replaces(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DESC, NULL);
return pkg->replaces;
}
alpm_list_t *_sync_cache_get_deltas(pmpkg_t *pkg)
{
LAZY_LOAD(INFRQ_DELTAS, NULL);
return pkg->deltas;
}
alpm_list_t *_sync_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_db_read(pkg->origin_data.db, pkg, INFRQ_FILES);
}
return pkg->files;
}
alpm_list_t *_sync_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_db_read(pkg->origin_data.db, pkg, INFRQ_FILES);
}
return pkg->backup;
}
/** The sync database operations struct. Get package fields through
* lazy accessor methods that handle any backend loading and caching
* logic.
*/
static struct pkg_operations sync_pkg_ops = {
.get_filename = _sync_cache_get_filename,
.get_name = _sync_cache_get_name,
.get_version = _sync_cache_get_version,
.get_desc = _sync_cache_get_desc,
.get_url = _sync_cache_get_url,
.get_builddate = _sync_cache_get_builddate,
.get_installdate = _sync_cache_get_installdate,
.get_packager = _sync_cache_get_packager,
.get_md5sum = _sync_cache_get_md5sum,
.get_arch = _sync_cache_get_arch,
.get_size = _sync_cache_get_size,
.get_isize = _sync_cache_get_isize,
.get_reason = _sync_cache_get_reason,
.has_force = _sync_cache_has_force,
.get_licenses = _sync_cache_get_licenses,
.get_groups = _sync_cache_get_groups,
.get_depends = _sync_cache_get_depends,
.get_optdepends = _sync_cache_get_optdepends,
.get_conflicts = _sync_cache_get_conflicts,
.get_provides = _sync_cache_get_provides,
.get_replaces = _sync_cache_get_replaces,
.get_deltas = _sync_cache_get_deltas,
.get_files = _sync_cache_get_files,
.get_backup = _sync_cache_get_backup,
};
pmdb_t *_alpm_db_register_sync(const char *treename)
{
pmdb_t *db;
alpm_list_t *i;
ALPM_LOG_FUNC;
for(i = handle->dbs_sync; i; i = i->next) {
pmdb_t *sdb = i->data;
if(strcmp(treename, sdb->treename) == 0) {
_alpm_log(PM_LOG_DEBUG, "attempt to re-register the '%s' database, using existing\n", sdb->treename);
return sdb;
}
}
_alpm_log(PM_LOG_DEBUG, "registering sync database '%s'\n", treename);
db = _alpm_db_new(treename, 0);
db->ops = &default_db_ops;
if(db == NULL) {
RET_ERR(PM_ERR_DB_CREATE, NULL);
}
handle->dbs_sync = alpm_list_add(handle->dbs_sync, db);
return(db);
}
/* create list of directories in db */
static int dirlist_from_tar(const char *archive, alpm_list_t **dirlist)
{
struct archive *_archive;
struct archive_entry *entry;
if((_archive = archive_read_new()) == NULL)
RET_ERR(PM_ERR_LIBARCHIVE, -1);
archive_read_support_compression_all(_archive);
archive_read_support_format_all(_archive);
if(archive_read_open_filename(_archive, archive,
ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK) {
_alpm_log(PM_LOG_ERROR, _("could not open %s: %s\n"), archive,
archive_error_string(_archive));
RET_ERR(PM_ERR_PKG_OPEN, -1);
}
while(archive_read_next_header(_archive, &entry) == ARCHIVE_OK) {
const struct stat *st;
const char *entryname; /* the name of the file in the archive */
st = archive_entry_stat(entry);
entryname = archive_entry_pathname(entry);
if(S_ISDIR(st->st_mode)) {
char *name = strdup(entryname);
*dirlist = alpm_list_add(*dirlist, name);
}
}
archive_read_finish(_archive);
*dirlist = alpm_list_msort(*dirlist, alpm_list_count(*dirlist), _alpm_str_cmp);
return(0);
}
static int is_dir(const char *path, struct dirent *entry)
{
#ifdef DT_DIR
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
}
/* create list of directories in db */
static int dirlist_from_fs(const char *syncdbpath, alpm_list_t **dirlist)
{
DIR *dbdir;
struct dirent *ent = NULL;
dbdir = opendir(syncdbpath);
if (dbdir != NULL) {
while((ent = readdir(dbdir)) != NULL) {
char *name = ent->d_name;
size_t len;
char *entry;
if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0) {
continue;
}
if(!is_dir(syncdbpath, ent)) {
continue;
}
len = strlen(name);
MALLOC(entry, len + 2, RET_ERR(PM_ERR_MEMORY, -1));
strcpy(entry, name);
entry[len] = '/';
entry[len+1] = '\0';
*dirlist = alpm_list_add(*dirlist, entry);
}
closedir(dbdir);
}
*dirlist = alpm_list_msort(*dirlist, alpm_list_count(*dirlist), _alpm_str_cmp);
return(0);
}
/* remove old directories from dbdir */
static int remove_olddir(const char *syncdbpath, alpm_list_t *dirlist)
{
alpm_list_t *i;
for (i = dirlist; i; i = i->next) {
const char *name = i->data;
char *dbdir;
size_t len = strlen(syncdbpath) + strlen(name) + 2;
MALLOC(dbdir, len, RET_ERR(PM_ERR_MEMORY, -1));
snprintf(dbdir, len, "%s%s", syncdbpath, name);
_alpm_log(PM_LOG_DEBUG, "removing: %s\n", dbdir);
if(_alpm_rmrf(dbdir) != 0) {
_alpm_log(PM_LOG_ERROR, _("could not remove database directory %s\n"), dbdir);
free(dbdir);
RET_ERR(PM_ERR_DB_REMOVE, -1);
}
free(dbdir);
}
return(0);
}
/** Update a package database
*
* An update of the package database \a db will be attempted. Unless
* \a force is true, the update will only be performed if the remote
* database was modified since the last update.
*
* A transaction is necessary for this operation, in order to obtain a
* database lock. During this transaction the front-end will be informed
* of the download progress of the database via the download callback.
*
* Example:
* @code
* pmdb_t *db;
* int result;
* db = alpm_list_getdata(alpm_option_get_syncdbs());
* if(alpm_trans_init(0, NULL, NULL, NULL) == 0) {
* result = alpm_db_update(0, db);
* alpm_trans_release();
*
* if(result > 0) {
* printf("Unable to update database: %s\n", alpm_strerrorlast());
* } else if(result < 0) {
* printf("Database already up to date\n");
* } else {
* printf("Database updated\n");
* }
* }
* @endcode
*
* @ingroup alpm_databases
* @note After a successful update, the \link alpm_db_get_pkgcache()
* package cache \endlink will be invalidated
* @param force if true, then forces the update, otherwise update only in case
* the database isn't up to date
* @param db pointer to the package database to update
* @return 0 on success, > 0 on error (pm_errno is set accordingly), < 0 if up
* to date
*/
int SYMEXPORT alpm_db_update(int force, pmdb_t *db)
{
char *dbfile, *dbfilepath, *syncpath;
const char *dbpath, *syncdbpath;
alpm_list_t *newdirlist = NULL, *olddirlist = NULL;
alpm_list_t *onlynew = NULL, *onlyold = NULL;
size_t len;
int ret;
ALPM_LOG_FUNC;
/* 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));
/* Verify we are in a transaction. This is done _mainly_ because we need a DB
* lock - if we update without a db lock, we may kludge some other pacman
* process that _has_ a lock.
*/
ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
ASSERT(handle->trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
if(!alpm_list_find_ptr(handle->dbs_sync, db)) {
RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
}
len = strlen(db->treename) + 4;
MALLOC(dbfile, len, RET_ERR(PM_ERR_MEMORY, -1));
sprintf(dbfile, "%s.db", db->treename);
dbpath = alpm_option_get_dbpath();
len = strlen(dbpath) + 6;
MALLOC(syncpath, len, RET_ERR(PM_ERR_MEMORY, -1));
sprintf(syncpath, "%s%s", dbpath, "sync/");
ret = _alpm_download_single_file(dbfile, db->servers, syncpath, force);
free(dbfile);
free(syncpath);
if(ret == 1) {
/* files match, do nothing */
pm_errno = 0;
return(1);
} else if(ret == -1) {
/* pm_errno was set by the download code */
_alpm_log(PM_LOG_DEBUG, "failed to sync db: %s\n", alpm_strerrorlast());
return(-1);
}
syncdbpath = _alpm_db_path(db);
/* form the path to the db location */
len = strlen(dbpath) + strlen(db->treename) + 9;
MALLOC(dbfilepath, len, RET_ERR(PM_ERR_MEMORY, -1));
sprintf(dbfilepath, "%ssync/%s.db", dbpath, db->treename);
if(force) {
/* if forcing update, remove the old dir and extract the db */
if(_alpm_rmrf(syncdbpath) != 0) {
_alpm_log(PM_LOG_ERROR, _("could not remove database %s\n"), db->treename);
RET_ERR(PM_ERR_DB_REMOVE, -1);
} else {
_alpm_log(PM_LOG_DEBUG, "database dir %s removed\n", _alpm_db_path(db));
}
} else {
/* if not forcing, only remove and extract what is necessary */
ret = dirlist_from_tar(dbfilepath, &newdirlist);
if(ret) {
goto cleanup;
}
ret = dirlist_from_fs(syncdbpath, &olddirlist);
if(ret) {
goto cleanup;
}
alpm_list_diff_sorted(olddirlist, newdirlist, _alpm_str_cmp, &onlyold, &onlynew);
ret = remove_olddir(syncdbpath, onlyold);
if(ret) {
goto cleanup;
}
}
/* Cache needs to be rebuilt */
_alpm_db_free_pkgcache(db);
checkdbdir(db);
ret = _alpm_unpack(dbfilepath, syncdbpath, onlynew, 0);
cleanup:
FREELIST(newdirlist);
FREELIST(olddirlist);
alpm_list_free(onlynew);
alpm_list_free(onlyold);
free(dbfilepath);
if(ret) {
RET_ERR(PM_ERR_SYSTEM, -1);
}
return(0);
}
int _alpm_sync_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);
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(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_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_SYNCDB;
pkg->ops = &sync_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);
}
int _alpm_sync_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_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, "%FILENAME%") == 0) {
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
STRDUP(info->filename, _alpm_strtrim(line), goto error);
} 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 || strcmp(line, "%CSIZE%") == 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 if isize is unset */
if(info->isize == 0) {
info->isize = info->size;
}
} else if(strcmp(line, "%ISIZE%") == 0) {
/* ISIZE (installed size) tag only appears in sync repositories,
* not the local one. */
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
info->isize = atol(_alpm_strtrim(line));
} else if(strcmp(line, "%MD5SUM%") == 0) {
/* MD5SUM tag only appears in sync repositories,
* not the local one. */
if(fgets(line, sizeof(line), fp) == NULL) {
goto error;
}
STRDUP(info->md5sum, _alpm_strtrim(line), goto error);
} 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, "%FORCE%") == 0) {
info->force = 1;
}
}
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;
}
/* DEPENDS */
if(inforeq & INFRQ_DEPENDS) {
snprintf(path, PATH_MAX, "%sdepends", 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, "%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;
}
/* DELTAS */
if(inforeq & INFRQ_DELTAS) {
snprintf(path, PATH_MAX, "%sdeltas", pkgpath);
if((fp = fopen(path, "r"))) {
while(!feof(fp)) {
if(fgets(line, sizeof(line), fp) == NULL) {
break;
}
_alpm_strtrim(line);
if(strcmp(line, "%DELTAS%") == 0) {
while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
pmdelta_t *delta = _alpm_delta_parse(line);
if(delta) {
info->deltas = alpm_list_add(info->deltas, delta);
}
}
}
}
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);
}
/* vim: set ts=2 sw=2 noet: */