/** Register a sync database of packages.
* @param handle the context handle
* @param treename the name of the sync repository
+ * @param check_sig what level of signature checking to perform on the
+ * database; note that this must be a '.sig' file type verification
* @return a pmdb_t* on success (the value), NULL on error
*/
-pmdb_t *alpm_db_register_sync(pmhandle_t *handle, const char *treename);
+pmdb_t *alpm_db_register_sync(pmhandle_t *handle, const char *treename,
+ pgp_verify_t check_sig);
/** Unregister a package database.
* @param db pointer to the package database to unregister
#include "config.h"
+#include <errno.h>
#include <sys/stat.h>
+#include <unistd.h>
/* libarchive */
#include <archive.h>
return syncpath;
}
+static int sync_db_validate(pmdb_t *db)
+{
+ /* this takes into account the default verification level if UNKNOWN
+ * was assigned to this db */
+ pgp_verify_t check_sig = _alpm_db_get_sigverify_level(db);
+
+ if(check_sig != PM_PGP_VERIFY_NEVER) {
+ int ret;
+ const char *dbpath = _alpm_db_path(db);
+ if(!dbpath) {
+ /* pm_errno set in _alpm_db_path() */
+ return -1;
+ }
+
+ /* we can skip any validation if the database doesn't exist */
+ if(access(dbpath, R_OK) != 0 && errno == ENOENT) {
+ return 0;
+ }
+
+ _alpm_log(db->handle, PM_LOG_DEBUG, "checking signature for %s\n",
+ db->treename);
+ ret = _alpm_gpgme_checksig(db->handle, dbpath, NULL);
+ if((check_sig == PM_PGP_VERIFY_ALWAYS && ret != 0) ||
+ (check_sig == PM_PGP_VERIFY_OPTIONAL && ret == 1)) {
+ RET_ERR(db->handle, PM_ERR_SIG_INVALID, -1);
+ }
+ }
+
+ return 0;
+}
+
/** Update a package database
*
* An update of the package database \a db will be attempted. Unless
if(ret == 0 && (check_sig == PM_PGP_VERIFY_ALWAYS ||
check_sig == PM_PGP_VERIFY_OPTIONAL)) {
+ /* an existing sig file is no good at this point */
+ char *sigpath = _alpm_db_sig_path(db);
+ if(!sigpath) {
+ ret = -1;
+ break;
+ }
+ unlink(sigpath);
+ free(sigpath);
+
int errors_ok = (check_sig == PM_PGP_VERIFY_OPTIONAL);
/* if we downloaded a DB, we want the .sig from the same server */
snprintf(fileurl, len, "%s/%s.db.sig", server, db->treename);
/* Cache needs to be rebuilt */
_alpm_db_free_pkgcache(db);
+ if(sync_db_validate(db)) {
+ /* pm_errno should be set */
+ ret = -1;
+ }
+
cleanup:
free(syncpath);
.version = sync_db_version,
};
-pmdb_t *_alpm_db_register_sync(pmhandle_t *handle, const char *treename)
+pmdb_t *_alpm_db_register_sync(pmhandle_t *handle, const char *treename,
+ pgp_verify_t level)
{
pmdb_t *db;
}
db->ops = &sync_db_ops;
db->handle = handle;
+ db->pgp_verify = level;
+
+ if(sync_db_validate(db)) {
+ _alpm_db_free(db);
+ return NULL;
+ }
handle->dbs_sync = alpm_list_add(handle->dbs_sync, db);
return db;
*/
/** Register a sync database of packages. */
-pmdb_t SYMEXPORT *alpm_db_register_sync(pmhandle_t *handle, const char *treename)
+pmdb_t SYMEXPORT *alpm_db_register_sync(pmhandle_t *handle, const char *treename,
+ pgp_verify_t check_sig)
{
/* Sanity checks */
CHECK_HANDLE(handle, return NULL);
/* Do not register a database if a transaction is on-going */
ASSERT(handle->trans == NULL, RET_ERR(handle, PM_ERR_TRANS_NOT_NULL, NULL));
- return _alpm_db_register_sync(handle, treename);
+ return _alpm_db_register_sync(handle, treename, check_sig);
}
/* Helper function for alpm_db_unregister{_all} */
int _alpm_db_cmp(const void *d1, const void *d2);
alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles);
pmdb_t *_alpm_db_register_local(pmhandle_t *handle);
-pmdb_t *_alpm_db_register_sync(pmhandle_t *handle, const char *treename);
+pmdb_t *_alpm_db_register_sync(pmhandle_t *handle, const char *treename,
+ pgp_verify_t level);
void _alpm_db_unregister(pmdb_t *db);
/* be_*.c, backend specific calls */
ret = alpm_option_set_logfile(handle, config->logfile);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting logfile '%s' (%s)\n"),
- config->logfile, alpm_strerror(alpm_errno(config->handle)));
+ config->logfile, alpm_strerror(alpm_errno(handle)));
return ret;
}
ret = alpm_option_set_gpgdir(handle, config->gpgdir);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting gpgdir '%s' (%s)\n"),
- config->gpgdir, alpm_strerror(alpm_errno(config->handle)));
+ config->gpgdir, alpm_strerror(alpm_errno(handle)));
return ret;
}
}
/* if we are not looking at options sections only, register a db */
- db = alpm_db_register_sync(config->handle, section->name);
+ db = alpm_db_register_sync(config->handle, section->name, section->sigverify);
if(db == NULL) {
pm_printf(PM_LOG_ERROR, _("could not register '%s' database (%s)\n"),
section->name, alpm_strerror(alpm_errno(config->handle)));
goto cleanup;
}
- if(section->sigverify) {
- if(alpm_db_set_pgp_verify(db, section->sigverify)) {
- pm_printf(PM_LOG_ERROR,
- _("could not set verify option for database '%s' (%s)\n"),
- section->name, alpm_strerror(alpm_errno(config->handle)));
- ret = 1;
- goto cleanup;
- }
- }
-
for(i = section->servers; i; i = alpm_list_next(i)) {
char *value = alpm_list_getdata(i);
if(_add_mirror(db, value) != 0) {
for(i = dbnames; i; i = alpm_list_next(i)) {
char *dbname = alpm_list_getdata(i);
snprintf(syncdbpath, PATH_MAX, "%s/sync/%s", dbpath, dbname);
- db = alpm_db_register_sync(handle, dbname);
+ db = alpm_db_register_sync(handle, dbname, PM_PGP_VERIFY_OPTIONAL);
if(db == NULL) {
fprintf(stderr, "error: could not register sync database (%s)\n",
alpm_strerror(alpm_errno(handle)));
for(i = dbnames; i; i = alpm_list_next(i)) {
char *dbname = alpm_list_getdata(i);
- db = alpm_db_register_sync(handle, dbname);
+ db = alpm_db_register_sync(handle, dbname, PM_PGP_VERIFY_OPTIONAL);
if(db == NULL) {
fprintf(stderr, "error: could not register sync database (%s)\n",
alpm_strerror(alpm_errno(handle)));
-self.description = "Add a signature to a package DB"
+self.description = "Add a bogus signature to a package DB"
sp = pmpkg("pkg1")
sp.pgpsig = "asdfasdfsdfasdfsdafasdfsdfasd"
-self.addpkg2db("sync+Always", sp)
+self.addpkg2db("sync+Optional", sp)
self.args = "-Ss"