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-rw-r--r--lib/libalpm/db.c297
1 files changed, 149 insertions, 148 deletions
diff --git a/lib/libalpm/db.c b/lib/libalpm/db.c
index 1a3168b4..fda8428a 100644
--- a/lib/libalpm/db.c
+++ b/lib/libalpm/db.c
@@ -26,11 +26,8 @@
#include <stdio.h>
#include <stdlib.h>
-#include <errno.h>
#include <string.h>
-#include <sys/stat.h>
#include <regex.h>
-#include <time.h>
/* libalpm */
#include "db.h"
@@ -42,6 +39,9 @@
#include "package.h"
#include "group.h"
+/* global handle variable */
+extern pmhandle_t *handle;
+
/** \addtogroup alpm_databases Database Functions
* @brief Functions to query and manipulate the database of libalpm
* @{
@@ -50,15 +50,13 @@
/** Register a sync database of packages. */
pmdb_t SYMEXPORT *alpm_db_register_sync(const char *treename)
{
- ALPM_LOG_FUNC;
-
/* 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));
/* Do not register a database if a transaction is on-going */
ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, NULL));
- return(_alpm_db_register_sync(treename));
+ return _alpm_db_register_sync(handle, treename);
}
/* Helper function for alpm_db_unregister{_all} */
@@ -73,13 +71,11 @@ void _alpm_db_unregister(pmdb_t *db)
}
/** Unregister all package databases. */
-int SYMEXPORT alpm_db_unregister_all(void)
+int SYMEXPORT alpm_db_unregister_all(pmhandle_t *handle)
{
alpm_list_t *i;
pmdb_t *db;
- ALPM_LOG_FUNC;
-
/* Sanity checks */
ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
/* Do not unregister a database if a transaction is on-going */
@@ -92,7 +88,7 @@ int SYMEXPORT alpm_db_unregister_all(void)
i->data = NULL;
}
FREELIST(handle->dbs_sync);
- return(0);
+ return 0;
}
/** Unregister a package database. */
@@ -100,16 +96,13 @@ int SYMEXPORT alpm_db_unregister(pmdb_t *db)
{
int found = 0;
- ALPM_LOG_FUNC;
-
/* Sanity checks */
- ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(db != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
/* Do not unregister a database if a transaction is on-going */
- ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1));
+ ASSERT(db->handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1));
- if(db == handle->db_local) {
- handle->db_local = NULL;
+ if(db == db->handle->db_local) {
+ db->handle->db_local = NULL;
found = 1;
} else {
/* Warning : this function shouldn't be used to unregister all sync
@@ -117,7 +110,7 @@ int SYMEXPORT alpm_db_unregister(pmdb_t *db)
* alpm_option_get_syncdbs, because the db is removed from that list here.
*/
void *data;
- handle->dbs_sync = alpm_list_remove(handle->dbs_sync,
+ db->handle->dbs_sync = alpm_list_remove(db->handle->dbs_sync,
db, _alpm_db_cmp, &data);
if(data) {
found = 1;
@@ -129,60 +122,117 @@ int SYMEXPORT alpm_db_unregister(pmdb_t *db)
}
db->ops->unregister(db);
- return(0);
+ return 0;
+}
+
+/** Get the serverlist of a database. */
+alpm_list_t SYMEXPORT *alpm_db_get_servers(const pmdb_t *db)
+{
+ /* Sanity checks */
+ ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, NULL));
+
+ return(db->servers);
}
/** Set the serverlist of a database. */
-int SYMEXPORT alpm_db_setserver(pmdb_t *db, const char *url)
+int SYMEXPORT alpm_db_set_servers(pmdb_t *db, alpm_list_t *servers)
+{
+ /* Sanity checks */
+ ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
+
+ if(db->servers) FREELIST(db->servers);
+ db->servers = servers;
+ return 0;
+}
+
+static char *sanitize_url(const char *url)
{
- alpm_list_t *i;
- int found = 0;
char *newurl;
- size_t len = 0;
+ size_t len = strlen(url);
- ALPM_LOG_FUNC;
+ STRDUP(newurl, url, RET_ERR(PM_ERR_MEMORY, NULL));
+ /* strip the trailing slash if one exists */
+ if(newurl[len - 1] == '/') {
+ newurl[len - 1] = '\0';
+ }
+ return newurl;
+}
+
+/** Add a download server to a database.
+ * @param db database pointer
+ * @param url url of the server
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
+int SYMEXPORT alpm_db_add_server(pmdb_t *db, const char *url)
+{
+ char *newurl;
/* Sanity checks */
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
+ ASSERT(url != NULL && strlen(url) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1));
- for(i = handle->dbs_sync; i && !found; i = i->next) {
- pmdb_t *sdb = i->data;
- if(strcmp(db->treename, sdb->treename) == 0) {
- found = 1;
- }
- }
- if(!found) {
- RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
+ newurl = sanitize_url(url);
+ if(!newurl) {
+ return -1;
}
+ db->servers = alpm_list_add(db->servers, newurl);
+ _alpm_log(PM_LOG_DEBUG, "adding new server URL to database '%s': %s\n",
+ db->treename, newurl);
- if(url) {
- len = strlen(url);
+ return 0;
+}
+
+/** Remove a download server from a database.
+ * @param db database pointer
+ * @param url url of the server
+ * @return 0 on success, 1 on server not present,
+ * -1 on error (pm_errno is set accordingly)
+ */
+int SYMEXPORT alpm_db_remove_server(pmdb_t *db, const char *url)
+{
+ char *newurl, *vdata = NULL;
+
+ /* Sanity checks */
+ ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
+ ASSERT(url != NULL && strlen(url) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+
+ newurl = sanitize_url(url);
+ if(!newurl) {
+ return -1;
}
- if(len) {
- newurl = strdup(url);
- /* strip the trailing slash if one exists */
- if(newurl[len - 1] == '/') {
- newurl[len - 1] = '\0';
- }
- db->servers = alpm_list_add(db->servers, newurl);
- _alpm_log(PM_LOG_DEBUG, "adding new server URL to database '%s': %s\n",
+ db->servers = alpm_list_remove_str(db->servers, newurl, &vdata);
+ free(newurl);
+ if(vdata) {
+ _alpm_log(PM_LOG_DEBUG, "removed server URL from database '%s': %s\n",
db->treename, newurl);
- } else {
- FREELIST(db->servers);
- _alpm_log(PM_LOG_DEBUG, "serverlist flushed for '%s'\n", db->treename);
+ free(vdata);
+ return 0;
}
+ return 1;
+}
+/** Set the verify gpg signature option for a database.
+ * @param db database pointer
+ * @param verify enum pgp_verify_t
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
+int SYMEXPORT alpm_db_set_pgp_verify(pmdb_t *db, pgp_verify_t verify)
+{
+ /* Sanity checks */
+ ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
+
+ db->pgp_verify = verify;
+ _alpm_log(PM_LOG_DEBUG, "adding VerifySig option to database '%s': %d\n",
+ db->treename, verify);
+
return(0);
}
/** Get the name of a package database. */
const char SYMEXPORT *alpm_db_get_name(const pmdb_t *db)
{
- ALPM_LOG_FUNC;
-
/* Sanity checks */
- ASSERT(handle != NULL, return(NULL));
- ASSERT(db != NULL, return(NULL));
+ ASSERT(db != NULL, return NULL);
return db->treename;
}
@@ -192,88 +242,67 @@ const char SYMEXPORT *alpm_db_get_url(const pmdb_t *db)
{
char *url;
- ALPM_LOG_FUNC;
-
/* Sanity checks */
- ASSERT(handle != NULL, return(NULL));
- ASSERT(db != NULL, return(NULL));
- ASSERT(db->servers != NULL, return(NULL));
+ ASSERT(db != NULL, return NULL);
+ ASSERT(db->servers != NULL, return NULL);
- url = (char*)db->servers->data;
+ url = (char *)db->servers->data;
- return(url);
+ return url;
}
/** Get a package entry from a package database. */
pmpkg_t SYMEXPORT *alpm_db_get_pkg(pmdb_t *db, const char *name)
{
- ALPM_LOG_FUNC;
-
/* Sanity checks */
- ASSERT(handle != NULL, return(NULL));
- ASSERT(db != NULL, return(NULL));
- ASSERT(name != NULL && strlen(name) != 0, return(NULL));
+ ASSERT(db != NULL, return NULL);
+ ASSERT(name != NULL && strlen(name) != 0, return NULL);
- return(_alpm_db_get_pkgfromcache(db, name));
+ return _alpm_db_get_pkgfromcache(db, name);
}
/** Get the package cache of a package database. */
alpm_list_t SYMEXPORT *alpm_db_get_pkgcache(pmdb_t *db)
{
- ALPM_LOG_FUNC;
-
/* Sanity checks */
- ASSERT(handle != NULL, return(NULL));
- ASSERT(db != NULL, return(NULL));
+ ASSERT(db != NULL, return NULL);
- return(_alpm_db_get_pkgcache(db));
+ return _alpm_db_get_pkgcache(db);
}
/** Get a group entry from a package database. */
pmgrp_t SYMEXPORT *alpm_db_readgrp(pmdb_t *db, const char *name)
{
- ALPM_LOG_FUNC;
-
/* Sanity checks */
- ASSERT(handle != NULL, return(NULL));
- ASSERT(db != NULL, return(NULL));
- ASSERT(name != NULL && strlen(name) != 0, return(NULL));
+ ASSERT(db != NULL, return NULL);
+ ASSERT(name != NULL && strlen(name) != 0, return NULL);
- return(_alpm_db_get_grpfromcache(db, name));
+ return _alpm_db_get_grpfromcache(db, name);
}
/** Get the group cache of a package database. */
alpm_list_t SYMEXPORT *alpm_db_get_grpcache(pmdb_t *db)
{
- ALPM_LOG_FUNC;
-
/* Sanity checks */
- ASSERT(handle != NULL, return(NULL));
- ASSERT(db != NULL, return(NULL));
+ ASSERT(db != NULL, return NULL);
- return(_alpm_db_get_grpcache(db));
+ return _alpm_db_get_grpcache(db);
}
/** Searches a database. */
alpm_list_t SYMEXPORT *alpm_db_search(pmdb_t *db, const alpm_list_t* needles)
{
- ALPM_LOG_FUNC;
-
/* Sanity checks */
- ASSERT(handle != NULL, return(NULL));
- ASSERT(db != NULL, return(NULL));
+ ASSERT(db != NULL, return NULL);
- return(_alpm_db_search(db, needles));
+ return _alpm_db_search(db, needles);
}
/** Set install reason for a package in db. */
int SYMEXPORT alpm_db_set_pkgreason(pmdb_t *db, const char *name, pmpkgreason_t reason)
{
- ALPM_LOG_FUNC;
-
/* Sanity checks */
- ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
ASSERT(db != NULL && name != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
pmpkg_t *pkg = _alpm_db_get_pkgfromcache(db, name);
@@ -284,7 +313,7 @@ int SYMEXPORT alpm_db_set_pkgreason(pmdb_t *db, const char *name, pmpkgreason_t
_alpm_log(PM_LOG_DEBUG, "setting install reason %u for %s/%s\n", reason, db->treename, name);
if(alpm_pkg_get_reason(pkg) == reason) {
/* we are done */
- return(0);
+ return 0;
}
/* set reason (in pkgcache) */
pkg->reason = reason;
@@ -293,7 +322,7 @@ int SYMEXPORT alpm_db_set_pkgreason(pmdb_t *db, const char *name, pmpkgreason_t
RET_ERR(PM_ERR_DB_WRITE, -1);
}
- return(0);
+ return 0;
}
/** @} */
@@ -302,19 +331,15 @@ pmdb_t *_alpm_db_new(const char *treename, int is_local)
{
pmdb_t *db;
- ALPM_LOG_FUNC;
-
CALLOC(db, 1, sizeof(pmdb_t), RET_ERR(PM_ERR_MEMORY, NULL));
STRDUP(db->treename, treename, RET_ERR(PM_ERR_MEMORY, NULL));
db->is_local = is_local;
- return(db);
+ return db;
}
void _alpm_db_free(pmdb_t *db)
{
- ALPM_LOG_FUNC;
-
/* cleanup pkgcache */
_alpm_db_free_pkgcache(db);
/* cleanup server list */
@@ -329,7 +354,7 @@ void _alpm_db_free(pmdb_t *db)
const char *_alpm_db_path(pmdb_t *db)
{
if(!db) {
- return(NULL);
+ return NULL;
}
if(!db->_path) {
const char *dbpath;
@@ -354,22 +379,22 @@ const char *_alpm_db_path(pmdb_t *db)
_alpm_log(PM_LOG_DEBUG, "database path for tree %s set to %s\n",
db->treename, db->_path);
}
- return(db->_path);
+ return db->_path;
}
int _alpm_db_version(pmdb_t *db)
{
if(!db) {
- return(-1);
+ return -1;
}
- return(db->ops->version(db));
+ return db->ops->version(db);
}
int _alpm_db_cmp(const void *d1, const void *d2)
{
pmdb_t *db1 = (pmdb_t *)d1;
pmdb_t *db2 = (pmdb_t *)d2;
- return(strcmp(db1->treename, db2->treename));
+ return strcmp(db1->treename, db2->treename);
}
alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles)
@@ -379,8 +404,6 @@ alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles)
/* copy the pkgcache- we will free the list var after each needle */
alpm_list_t *list = alpm_list_copy(_alpm_db_get_pkgcache(db));
- ALPM_LOG_FUNC;
-
for(i = needles; i; i = i->next) {
char *targ;
regex_t reg;
@@ -407,7 +430,7 @@ alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles)
matched = name;
}
/* check desc */
- else if (desc && regexec(&reg, desc, 0, 0, 0) == 0) {
+ else if(desc && regexec(&reg, desc, 0, 0, 0) == 0) {
matched = desc;
}
/* TODO: should we be doing this, and should we print something
@@ -415,7 +438,7 @@ alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles)
if(!matched) {
/* check provides */
for(k = alpm_pkg_get_provides(pkg); k; k = k->next) {
- if (regexec(&reg, k->data, 0, 0, 0) == 0) {
+ if(regexec(&reg, k->data, 0, 0, 0) == 0) {
matched = k->data;
break;
}
@@ -424,7 +447,7 @@ alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles)
if(!matched) {
/* check groups */
for(k = alpm_pkg_get_groups(pkg); k; k = k->next) {
- if (regexec(&reg, k->data, 0, 0, 0) == 0) {
+ if(regexec(&reg, k->data, 0, 0, 0) == 0) {
matched = k->data;
break;
}
@@ -445,7 +468,7 @@ alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles)
regfree(&reg);
}
- return(ret);
+ return ret;
}
/* Returns a new package cache from db.
@@ -453,10 +476,8 @@ alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles)
*/
int _alpm_db_load_pkgcache(pmdb_t *db)
{
- ALPM_LOG_FUNC;
-
if(db == NULL) {
- return(-1);
+ return -1;
}
_alpm_db_free_pkgcache(db);
@@ -465,17 +486,15 @@ int _alpm_db_load_pkgcache(pmdb_t *db)
if(db->ops->populate(db) == -1) {
_alpm_log(PM_LOG_DEBUG,
"failed to load package cache for repository '%s'\n", db->treename);
- return(-1);
+ return -1;
}
db->pkgcache_loaded = 1;
- return(0);
+ return 0;
}
void _alpm_db_free_pkgcache(pmdb_t *db)
{
- ALPM_LOG_FUNC;
-
if(db == NULL || !db->pkgcache_loaded) {
return;
}
@@ -493,10 +512,8 @@ void _alpm_db_free_pkgcache(pmdb_t *db)
pmpkghash_t *_alpm_db_get_pkgcache_hash(pmdb_t *db)
{
- ALPM_LOG_FUNC;
-
if(db == NULL) {
- return(NULL);
+ return NULL;
}
if(!db->pkgcache_loaded) {
@@ -508,20 +525,18 @@ pmpkghash_t *_alpm_db_get_pkgcache_hash(pmdb_t *db)
_alpm_log(PM_LOG_DEBUG, "warning: pkgcache is NULL for db '%s'\n", db->treename);
}
- return(db->pkgcache);
+ return db->pkgcache;
}
alpm_list_t *_alpm_db_get_pkgcache(pmdb_t *db)
{
- ALPM_LOG_FUNC;
-
pmpkghash_t *hash = _alpm_db_get_pkgcache_hash(db);
if(hash == NULL) {
- return(NULL);
+ return NULL;
}
- return(hash->list);
+ return hash->list;
}
/* "duplicate" pkg then add it to pkgcache */
@@ -529,15 +544,13 @@ int _alpm_db_add_pkgincache(pmdb_t *db, pmpkg_t *pkg)
{
pmpkg_t *newpkg;
- ALPM_LOG_FUNC;
-
if(db == NULL || !db->pkgcache_loaded || pkg == NULL) {
- return(-1);
+ return -1;
}
newpkg = _alpm_pkg_dup(pkg);
if(newpkg == NULL) {
- return(-1);
+ return -1;
}
_alpm_log(PM_LOG_DEBUG, "adding entry '%s' in '%s' cache\n",
@@ -546,17 +559,15 @@ int _alpm_db_add_pkgincache(pmdb_t *db, pmpkg_t *pkg)
_alpm_db_free_grpcache(db);
- return(0);
+ return 0;
}
int _alpm_db_remove_pkgfromcache(pmdb_t *db, pmpkg_t *pkg)
{
pmpkg_t *data = NULL;
- ALPM_LOG_FUNC;
-
if(db == NULL || !db->pkgcache_loaded || pkg == NULL) {
- return(-1);
+ return -1;
}
_alpm_log(PM_LOG_DEBUG, "removing entry '%s' from '%s' cache\n",
@@ -567,32 +578,30 @@ int _alpm_db_remove_pkgfromcache(pmdb_t *db, pmpkg_t *pkg)
/* package not found */
_alpm_log(PM_LOG_DEBUG, "cannot remove entry '%s' from '%s' cache: not found\n",
alpm_pkg_get_name(pkg), db->treename);
- return(-1);
+ return -1;
}
_alpm_pkg_free(data);
_alpm_db_free_grpcache(db);
- return(0);
+ return 0;
}
pmpkg_t *_alpm_db_get_pkgfromcache(pmdb_t *db, const char *target)
{
- ALPM_LOG_FUNC;
-
if(db == NULL) {
- return(NULL);
+ return NULL;
}
pmpkghash_t *pkgcache = _alpm_db_get_pkgcache_hash(db);
if(!pkgcache) {
_alpm_log(PM_LOG_DEBUG, "warning: failed to get '%s' from NULL pkgcache\n",
target);
- return(NULL);
+ return NULL;
}
- return(_alpm_pkghash_find(pkgcache, target));
+ return _alpm_pkghash_find(pkgcache, target);
}
/* Returns a new group cache from db.
@@ -601,10 +610,8 @@ int _alpm_db_load_grpcache(pmdb_t *db)
{
alpm_list_t *lp;
- ALPM_LOG_FUNC;
-
if(db == NULL) {
- return(-1);
+ return -1;
}
_alpm_log(PM_LOG_DEBUG, "loading group cache for repository '%s'\n",
@@ -642,15 +649,13 @@ int _alpm_db_load_grpcache(pmdb_t *db)
}
db->grpcache_loaded = 1;
- return(0);
+ return 0;
}
void _alpm_db_free_grpcache(pmdb_t *db)
{
alpm_list_t *lg;
- ALPM_LOG_FUNC;
-
if(db == NULL || !db->grpcache_loaded) {
return;
}
@@ -668,38 +673,34 @@ void _alpm_db_free_grpcache(pmdb_t *db)
alpm_list_t *_alpm_db_get_grpcache(pmdb_t *db)
{
- ALPM_LOG_FUNC;
-
if(db == NULL) {
- return(NULL);
+ return NULL;
}
if(!db->grpcache_loaded) {
_alpm_db_load_grpcache(db);
}
- return(db->grpcache);
+ return db->grpcache;
}
pmgrp_t *_alpm_db_get_grpfromcache(pmdb_t *db, const char *target)
{
alpm_list_t *i;
- ALPM_LOG_FUNC;
-
if(db == NULL || target == NULL || strlen(target) == 0) {
- return(NULL);
+ return NULL;
}
for(i = _alpm_db_get_grpcache(db); i; i = i->next) {
pmgrp_t *info = i->data;
if(strcmp(info->name, target) == 0) {
- return(info);
+ return info;
}
}
- return(NULL);
+ return NULL;
}
/* vim: set ts=2 sw=2 noet: */

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
The Arch Linux name and logo are recognized trademarks. Some rights reserved. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis.