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-rw-r--r--lib/libalpm/alpm.h1
-rw-r--r--lib/libalpm/be_local.c6
-rw-r--r--lib/libalpm/be_sync.c12
-rw-r--r--lib/libalpm/db.c49
-rw-r--r--lib/libalpm/db.h14
-rw-r--r--lib/libalpm/error.c2
-rw-r--r--lib/libalpm/trans.c8
7 files changed, 63 insertions, 29 deletions
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index eb2eff88..579b45f2 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -1002,6 +1002,7 @@ enum _pmerrno_t {
PM_ERR_DB_NULL,
PM_ERR_DB_NOT_NULL,
PM_ERR_DB_NOT_FOUND,
+ PM_ERR_DB_INVALID,
PM_ERR_DB_VERSION,
PM_ERR_DB_WRITE,
PM_ERR_DB_REMOVE,
diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index 0ff51deb..96f04c51 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -321,6 +321,10 @@ static int local_db_validate(pmdb_t *db)
DIR *dbdir;
int ret = -1;
+ if(db->status & DB_STATUS_VALID) {
+ return 0;
+ }
+
dbpath = _alpm_db_path(db);
if(dbpath == NULL) {
RET_ERR(db->handle, PM_ERR_DB_OPEN, -1);
@@ -329,6 +333,7 @@ static int local_db_validate(pmdb_t *db)
if(dbdir == NULL) {
if(errno == ENOENT) {
/* database dir doesn't exist yet */
+ db->status |= DB_STATUS_VALID;
return 0;
} else {
RET_ERR(db->handle, PM_ERR_DB_OPEN, -1);
@@ -354,6 +359,7 @@ static int local_db_validate(pmdb_t *db)
}
}
/* we found no depends file after full scan */
+ db->status |= DB_STATUS_VALID;
ret = 0;
done:
diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index 1a434f24..c1703ffe 100644
--- a/lib/libalpm/be_sync.c
+++ b/lib/libalpm/be_sync.c
@@ -69,9 +69,15 @@ static char *get_sync_dir(pmhandle_t *handle)
static int sync_db_validate(pmdb_t *db)
{
+ pgp_verify_t check_sig;
+
+ if(db->status & DB_STATUS_VALID) {
+ return 0;
+ }
+
/* 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);
+ check_sig = _alpm_db_get_sigverify_level(db);
if(check_sig != PM_PGP_VERIFY_NEVER) {
int ret;
@@ -83,6 +89,7 @@ static int sync_db_validate(pmdb_t *db)
/* we can skip any validation if the database doesn't exist */
if(access(dbpath, R_OK) != 0 && errno == ENOENT) {
+ goto valid;
return 0;
}
@@ -95,6 +102,8 @@ static int sync_db_validate(pmdb_t *db)
}
}
+valid:
+ db->status |= DB_STATUS_VALID;
return 0;
}
@@ -215,6 +224,7 @@ int SYMEXPORT alpm_db_update(int force, pmdb_t *db)
/* Cache needs to be rebuilt */
_alpm_db_free_pkgcache(db);
+ db->status &= ~DB_STATUS_VALID;
if(sync_db_validate(db)) {
/* pm_errno should be set */
ret = -1;
diff --git a/lib/libalpm/db.c b/lib/libalpm/db.c
index 820261a1..b20421a3 100644
--- a/lib/libalpm/db.c
+++ b/lib/libalpm/db.c
@@ -468,11 +468,8 @@ alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles)
/* Returns a new package cache from db.
* It frees the cache if it already exists.
*/
-int _alpm_db_load_pkgcache(pmdb_t *db)
+static int load_pkgcache(pmdb_t *db)
{
- if(db == NULL) {
- return -1;
- }
_alpm_db_free_pkgcache(db);
_alpm_log(db->handle, PM_LOG_DEBUG, "loading package cache for repository '%s'\n",
@@ -483,23 +480,23 @@ int _alpm_db_load_pkgcache(pmdb_t *db)
return -1;
}
- db->pkgcache_loaded = 1;
+ db->status |= DB_STATUS_PKGCACHE;
return 0;
}
void _alpm_db_free_pkgcache(pmdb_t *db)
{
- if(db == NULL || !db->pkgcache_loaded) {
+ if(db == NULL || !(db->status & DB_STATUS_PKGCACHE)) {
return;
}
- _alpm_log(db->handle, PM_LOG_DEBUG, "freeing package cache for repository '%s'\n",
- db->treename);
+ _alpm_log(db->handle, PM_LOG_DEBUG,
+ "freeing package cache for repository '%s'\n", db->treename);
alpm_list_free_inner(_alpm_db_get_pkgcache(db),
(alpm_list_fn_free)_alpm_pkg_free);
_alpm_pkghash_free(db->pkgcache);
- db->pkgcache_loaded = 0;
+ db->status &= ~DB_STATUS_PKGCACHE;
_alpm_db_free_grpcache(db);
}
@@ -510,8 +507,12 @@ pmpkghash_t *_alpm_db_get_pkgcache_hash(pmdb_t *db)
return NULL;
}
- if(!db->pkgcache_loaded) {
- _alpm_db_load_pkgcache(db);
+ if(!(db->status & DB_STATUS_VALID)) {
+ RET_ERR(db->handle, PM_ERR_DB_INVALID, NULL);
+ }
+
+ if(!(db->status & DB_STATUS_PKGCACHE)) {
+ load_pkgcache(db);
}
return db->pkgcache;
@@ -533,7 +534,7 @@ int _alpm_db_add_pkgincache(pmdb_t *db, pmpkg_t *pkg)
{
pmpkg_t *newpkg;
- if(db == NULL || !db->pkgcache_loaded || pkg == NULL) {
+ if(db == NULL || pkg == NULL || !(db->status & DB_STATUS_PKGCACHE)) {
return -1;
}
@@ -555,7 +556,7 @@ int _alpm_db_remove_pkgfromcache(pmdb_t *db, pmpkg_t *pkg)
{
pmpkg_t *data = NULL;
- if(db == NULL || !db->pkgcache_loaded || pkg == NULL) {
+ if(db == NULL || pkg == NULL || !(db->status & DB_STATUS_PKGCACHE)) {
return -1;
}
@@ -585,8 +586,6 @@ pmpkg_t *_alpm_db_get_pkgfromcache(pmdb_t *db, const char *target)
pmpkghash_t *pkgcache = _alpm_db_get_pkgcache_hash(db);
if(!pkgcache) {
- _alpm_log(db->handle, PM_LOG_DEBUG, "warning: failed to get '%s' from NULL pkgcache\n",
- target);
return NULL;
}
@@ -595,7 +594,7 @@ pmpkg_t *_alpm_db_get_pkgfromcache(pmdb_t *db, const char *target)
/* Returns a new group cache from db.
*/
-int _alpm_db_load_grpcache(pmdb_t *db)
+static int load_grpcache(pmdb_t *db)
{
alpm_list_t *lp;
@@ -641,7 +640,7 @@ int _alpm_db_load_grpcache(pmdb_t *db)
}
}
- db->grpcache_loaded = 1;
+ db->status |= DB_STATUS_GRPCACHE;
return 0;
}
@@ -649,19 +648,19 @@ void _alpm_db_free_grpcache(pmdb_t *db)
{
alpm_list_t *lg;
- if(db == NULL || !db->grpcache_loaded) {
+ if(db == NULL || !(db->status & DB_STATUS_GRPCACHE)) {
return;
}
- _alpm_log(db->handle, PM_LOG_DEBUG, "freeing group cache for repository '%s'\n",
- db->treename);
+ _alpm_log(db->handle, PM_LOG_DEBUG,
+ "freeing group cache for repository '%s'\n", db->treename);
for(lg = db->grpcache; lg; lg = lg->next) {
_alpm_grp_free(lg->data);
lg->data = NULL;
}
FREELIST(db->grpcache);
- db->grpcache_loaded = 0;
+ db->status &= ~DB_STATUS_GRPCACHE;
}
alpm_list_t *_alpm_db_get_grpcache(pmdb_t *db)
@@ -670,8 +669,12 @@ alpm_list_t *_alpm_db_get_grpcache(pmdb_t *db)
return NULL;
}
- if(!db->grpcache_loaded) {
- _alpm_db_load_grpcache(db);
+ if(!(db->status & DB_STATUS_VALID)) {
+ RET_ERR(db->handle, PM_ERR_DB_INVALID, NULL);
+ }
+
+ if(!(db->status & DB_STATUS_GRPCACHE)) {
+ load_grpcache(db);
}
return db->grpcache;
diff --git a/lib/libalpm/db.h b/lib/libalpm/db.h
index 4541c258..03187342 100644
--- a/lib/libalpm/db.h
+++ b/lib/libalpm/db.h
@@ -43,6 +43,13 @@ typedef enum _pmdbinfrq_t {
INFRQ_ALL = 0x1F
} pmdbinfrq_t;
+/** Database status. Bitflags. */
+enum _pmdbstatus_t {
+ DB_STATUS_VALID = (1 << 0),
+ DB_STATUS_PKGCACHE = (1 << 1),
+ DB_STATUS_GRPCACHE = (1 << 2)
+};
+
struct db_operations {
int (*populate) (pmdb_t *);
void (*unregister) (pmdb_t *);
@@ -54,10 +61,10 @@ struct __pmdb_t {
char *treename;
/* do not access directly, use _alpm_db_path(db) for lazy access */
char *_path;
- int pkgcache_loaded;
- int grpcache_loaded;
/* also indicates whether we are RO or RW */
int is_local;
+ /* flags determining validity, loaded caches, etc. */
+ enum _pmdbstatus_t status;
pmpkghash_t *pkgcache;
alpm_list_t *grpcache;
alpm_list_t *servers;
@@ -72,7 +79,6 @@ pmdb_t *_alpm_db_new(const char *treename, int is_local);
void _alpm_db_free(pmdb_t *db);
const char *_alpm_db_path(pmdb_t *db);
char *_alpm_db_sig_path(pmdb_t *db);
-int _alpm_db_version(pmdb_t *db);
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);
@@ -88,7 +94,6 @@ int _alpm_local_db_remove(pmdb_t *db, pmpkg_t *info);
/* cache bullshit */
/* packages */
-int _alpm_db_load_pkgcache(pmdb_t *db);
void _alpm_db_free_pkgcache(pmdb_t *db);
int _alpm_db_add_pkgincache(pmdb_t *db, pmpkg_t *pkg);
int _alpm_db_remove_pkgfromcache(pmdb_t *db, pmpkg_t *pkg);
@@ -97,7 +102,6 @@ alpm_list_t *_alpm_db_get_pkgcache(pmdb_t *db);
int _alpm_db_ensure_pkgcache(pmdb_t *db, pmdbinfrq_t infolevel);
pmpkg_t *_alpm_db_get_pkgfromcache(pmdb_t *db, const char *target);
/* groups */
-int _alpm_db_load_grpcache(pmdb_t *db);
void _alpm_db_free_grpcache(pmdb_t *db);
alpm_list_t *_alpm_db_get_grpcache(pmdb_t *db);
pmgrp_t *_alpm_db_get_grpfromcache(pmdb_t *db, const char *target);
diff --git a/lib/libalpm/error.c b/lib/libalpm/error.c
index d893f866..1e4e705b 100644
--- a/lib/libalpm/error.c
+++ b/lib/libalpm/error.c
@@ -70,6 +70,8 @@ const char SYMEXPORT *alpm_strerror(enum _pmerrno_t err)
return _("database already registered");
case PM_ERR_DB_NOT_FOUND:
return _("could not find database");
+ case PM_ERR_DB_INVALID:
+ return _("invalid or corrupted database");
case PM_ERR_DB_VERSION:
return _("database is incorrect version");
case PM_ERR_DB_WRITE:
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c
index b4bdccfb..11a28e5c 100644
--- a/lib/libalpm/trans.c
+++ b/lib/libalpm/trans.c
@@ -101,11 +101,19 @@ int SYMEXPORT alpm_trans_init(pmhandle_t *handle, pmtransflag_t flags,
alpm_trans_cb_progress progress)
{
pmtrans_t *trans;
+ alpm_list_t *i;
/* Sanity checks */
CHECK_HANDLE(handle, return -1);
ASSERT(handle->trans == NULL, RET_ERR(handle, PM_ERR_TRANS_NOT_NULL, -1));
+ for(i = handle->dbs_sync; i; i = i->next) {
+ const pmdb_t *db = i->data;
+ if(!(db->status & DB_STATUS_VALID)) {
+ RET_ERR(handle, PM_ERR_DB_INVALID, -1);
+ }
+ }
+
/* lock db */
if(!(flags & PM_TRANS_FLAG_NOLOCK)) {
if(make_lock(handle)) {

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
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