return(dbconns[keytrun % numdbs]);
}
+/**
+ * starttrans - Start a transaction.
+ *
+ * Start a transaction. Intended to be used if we're about to perform many
+ * operations on the database to help speed it all up, or if we want
+ * something to only succeed if all relevant operations are successful.
+ */
+static bool db4_starttrans(void)
+{
+ int ret;
+
+ log_assert(dbenv != NULL);
+ log_assert(txn == NULL);
+
+ ret = dbenv->txn_begin(dbenv,
+ NULL, /* No parent transaction */
+ &txn,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error starting transaction: %s",
+ db_strerror(ret));
+ exit(1);
+ }
+
+ return true;
+}
+
+/**
+ * endtrans - End a transaction.
+ *
+ * Ends a transaction.
+ */
+static void db4_endtrans(void)
+{
+ int ret;
+
+ log_assert(dbenv != NULL);
+ log_assert(txn != NULL);
+
+ ret = txn->commit(txn,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error ending transaction: %s",
+ db_strerror(ret));
+ exit(1);
+ }
+ txn = NULL;
+
+ return;
+}
+
+/**
+ * cleanupdb - De-initialize the key database.
+ *
+ * This function should be called upon program exit to allow the DB to
+ * cleanup after itself.
+ */
+static void db4_cleanupdb(void)
+{
+ int i = 0;
+
+ if (dbenv != NULL) {
+ dbenv->txn_checkpoint(dbenv, 0, 0, 0);
+ if (id32db != NULL) {
+ id32db->close(id32db, 0);
+ id32db = NULL;
+ }
+ if (worddb != NULL) {
+ worddb->close(worddb, 0);
+ worddb = NULL;
+ }
+ for (i = 0; i < numdbs; i++) {
+ if (dbconns[i] != NULL) {
+ dbconns[i]->close(dbconns[i], 0);
+ dbconns[i] = NULL;
+ }
+ }
+ free(dbconns);
+ dbconns = NULL;
+ dbenv->close(dbenv, 0);
+ dbenv = NULL;
+ }
+}
+
/**
* initdb - Initialize the key database.
*
* this file are called in order to allow the DB to be initialized ready
* for access.
*/
-void initdb(bool readonly)
+static void db4_initdb(bool readonly)
{
char buf[1024];
FILE *numdb = NULL;
}
if (ret == 0) {
- starttrans();
+ db4_starttrans();
for (i = 0; !ret && i < numdbs; i++) {
ret = db_create(&dbconns[i], dbenv, 0);
}
if (txn != NULL) {
- endtrans();
+ db4_endtrans();
}
if (ret != 0) {
- cleanupdb();
+ db4_cleanupdb();
logthing(LOGTHING_CRITICAL,
"Error opening database; exiting");
exit(EXIT_FAILURE);
return;
}
-/**
- * cleanupdb - De-initialize the key database.
- *
- * This function should be called upon program exit to allow the DB to
- * cleanup after itself.
- */
-void cleanupdb(void)
-{
- int i = 0;
-
- if (dbenv != NULL) {
- dbenv->txn_checkpoint(dbenv, 0, 0, 0);
- if (id32db != NULL) {
- id32db->close(id32db, 0);
- id32db = NULL;
- }
- if (worddb != NULL) {
- worddb->close(worddb, 0);
- worddb = NULL;
- }
- for (i = 0; i < numdbs; i++) {
- if (dbconns[i] != NULL) {
- dbconns[i]->close(dbconns[i], 0);
- dbconns[i] = NULL;
- }
- }
- free(dbconns);
- dbconns = NULL;
- dbenv->close(dbenv, 0);
- dbenv = NULL;
- }
-}
-
-/**
- * starttrans - Start a transaction.
- *
- * Start a transaction. Intended to be used if we're about to perform many
- * operations on the database to help speed it all up, or if we want
- * something to only succeed if all relevant operations are successful.
- */
-bool starttrans(void)
-{
- int ret;
-
- log_assert(dbenv != NULL);
- log_assert(txn == NULL);
-
- ret = dbenv->txn_begin(dbenv,
- NULL, /* No parent transaction */
- &txn,
- 0);
- if (ret != 0) {
- logthing(LOGTHING_CRITICAL,
- "Error starting transaction: %s",
- db_strerror(ret));
- exit(1);
- }
-
- return true;
-}
-
-/**
- * endtrans - End a transaction.
- *
- * Ends a transaction.
- */
-void endtrans(void)
-{
- int ret;
-
- log_assert(dbenv != NULL);
- log_assert(txn != NULL);
-
- ret = txn->commit(txn,
- 0);
- if (ret != 0) {
- logthing(LOGTHING_CRITICAL,
- "Error ending transaction: %s",
- db_strerror(ret));
- exit(1);
- }
- txn = NULL;
-
- return;
-}
-
/**
* fetch_key - Given a keyid fetch the key from storage.
* @keyid: The keyid to fetch.
* in and then parse_keys() to parse the packets into a publickey
* structure.
*/
-int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
+static int db4_fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
bool intrans)
{
struct openpgp_packet_list *packets = NULL;
key.data = &keyid;
if (!intrans) {
- starttrans();
+ db4_starttrans();
}
ret = keydb(keyid)->get(keydb(keyid),
}
if (!intrans) {
- endtrans();
+ db4_endtrans();
}
return (numkeys);
* This function searches for the supplied text and returns the keys that
* contain it.
*/
-int fetch_key_text(const char *search, struct openpgp_publickey **publickey)
+static int db4_fetch_key_text(const char *search,
+ struct openpgp_publickey **publickey)
{
DBC *cursor = NULL;
DBT key, data;
wordlist = makewordlist(wordlist, searchtext);
for (curword = wordlist; curword != NULL; curword = curword->next) {
- starttrans();
+ db4_starttrans();
ret = worddb->cursor(worddb,
txn,
free(data.data);
data.data = NULL;
- ret = cursor->c_get(cursor,
- &key,
- &data,
- DB_NEXT);
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_NEXT);
+ }
+ array_free(&keylist);
+ keylist = newkeylist;
+ newkeylist.keys = NULL;
+ newkeylist.count = newkeylist.size = 0;
+ if (data.data != NULL) {
+ free(data.data);
+ data.data = NULL;
+ }
+ ret = cursor->c_close(cursor);
+ cursor = NULL;
+ db4_endtrans();
+ }
+ llfree(wordlist, NULL);
+ wordlist = NULL;
+
+ db4_starttrans();
+ for (i = 0; i < keylist.count; i++) {
+ numkeys += db4_fetch_key(keylist.keys[i],
+ publickey,
+ true);
+ }
+ array_free(&keylist);
+ free(searchtext);
+ searchtext = NULL;
+
+ db4_endtrans();
+
+ return (numkeys);
+}
+
+/**
+ * delete_key - Given a keyid delete the key from storage.
+ * @keyid: The keyid to delete.
+ * @intrans: If we're already in a transaction.
+ *
+ * This function deletes a public key from whatever storage mechanism we
+ * are using. Returns 0 if the key existed.
+ */
+static int db4_delete_key(uint64_t keyid, bool intrans)
+{
+ struct openpgp_publickey *publickey = NULL;
+ DBT key, data;
+ DBC *cursor = NULL;
+ uint32_t shortkeyid = 0;
+ uint64_t *subkeyids = NULL;
+ int ret = 0;
+ int i;
+ char **uids = NULL;
+ char *primary = NULL;
+ unsigned char worddb_data[12];
+ struct ll *wordlist = NULL;
+ struct ll *curword = NULL;
+ bool deadlock = false;
+
+ if (!intrans) {
+ db4_starttrans();
+ }
+
+ db4_fetch_key(keyid, &publickey, true);
+
+ /*
+ * Walk through the uids removing the words from the worddb.
+ */
+ if (publickey != NULL) {
+ uids = keyuids(publickey, &primary);
+ }
+ if (uids != NULL) {
+ for (i = 0; ret == 0 && uids[i] != NULL; i++) {
+ wordlist = makewordlist(wordlist, uids[i]);
+ }
+
+ ret = worddb->cursor(worddb,
+ txn,
+ &cursor,
+ 0); /* flags */
+
+ for (curword = wordlist; curword != NULL && !deadlock;
+ curword = curword->next) {
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = curword->object;
+ key.size = strlen(key.data);
+ data.data = worddb_data;
+ data.size = sizeof(worddb_data);
+
+ /*
+ * Our data is the key creation time followed by the
+ * key id.
+ */
+ worddb_data[ 0] = publickey->publickey->data[1];
+ worddb_data[ 1] = publickey->publickey->data[2];
+ worddb_data[ 2] = publickey->publickey->data[3];
+ worddb_data[ 3] = publickey->publickey->data[4];
+ worddb_data[ 4] = (keyid >> 56) & 0xFF;
+ worddb_data[ 5] = (keyid >> 48) & 0xFF;
+ worddb_data[ 6] = (keyid >> 40) & 0xFF;
+ worddb_data[ 7] = (keyid >> 32) & 0xFF;
+ worddb_data[ 8] = (keyid >> 24) & 0xFF;
+ worddb_data[ 9] = (keyid >> 16) & 0xFF;
+ worddb_data[10] = (keyid >> 8) & 0xFF;
+ worddb_data[11] = keyid & 0xFF;
+
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_GET_BOTH);
+
+ if (ret == 0) {
+ ret = cursor->c_del(cursor, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting word: %s",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting word: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+ }
+ ret = cursor->c_close(cursor);
+ cursor = NULL;
+
+ /*
+ * Free our UID and word lists.
+ */
+ llfree(wordlist, NULL);
+ for (i = 0; uids[i] != NULL; i++) {
+ free(uids[i]);
+ uids[i] = NULL;
+ }
+ free(uids);
+ uids = NULL;
+ free_publickey(publickey);
+ publickey = NULL;
+ }
+
+ if (!deadlock) {
+ ret = id32db->cursor(id32db,
+ txn,
+ &cursor,
+ 0); /* flags */
+
+ shortkeyid = keyid & 0xFFFFFFFF;
+
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &shortkeyid;
+ key.size = sizeof(shortkeyid);
+ data.data = &keyid;
+ data.size = sizeof(keyid);
+
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_GET_BOTH);
+
+ if (ret == 0) {
+ ret = cursor->c_del(cursor, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting short keyid: %s",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting short keyid: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+
+ subkeyids = keysubkeys(publickey);
+ i = 0;
+ while (subkeyids != NULL && subkeyids[i] != 0) {
+ shortkeyid = subkeyids[i++] & 0xFFFFFFFF;
+
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &shortkeyid;
+ key.size = sizeof(shortkeyid);
+ data.data = &keyid;
+ data.size = sizeof(keyid);
+
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_GET_BOTH);
+
+ if (ret == 0) {
+ ret = cursor->c_del(cursor, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting short"
+ " keyid: %s",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting short keyid: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
}
- array_free(&keylist);
- keylist = newkeylist;
- newkeylist.keys = NULL;
- newkeylist.count = newkeylist.size = 0;
- if (data.data != NULL) {
- free(data.data);
- data.data = NULL;
+ if (subkeyids != NULL) {
+ free(subkeyids);
+ subkeyids = NULL;
}
+
ret = cursor->c_close(cursor);
cursor = NULL;
- endtrans();
}
- llfree(wordlist, NULL);
- wordlist = NULL;
-
- starttrans();
- for (i = 0; i < keylist.count; i++) {
- numkeys += fetch_key(keylist.keys[i],
- publickey,
- true);
+
+ if (!deadlock) {
+ key.data = &keyid;
+ key.size = sizeof(keyid);
+
+ keydb(keyid)->del(keydb(keyid),
+ txn,
+ &key,
+ 0); /* flags */
}
- array_free(&keylist);
- free(searchtext);
- searchtext = NULL;
- endtrans();
-
- return (numkeys);
+ if (!intrans) {
+ db4_endtrans();
+ }
+
+ return deadlock ? (-1) : (ret == DB_NOTFOUND);
}
/**
* the file. If update is true then we delete the old key first, otherwise
* we trust that it doesn't exist.
*/
-int store_key(struct openpgp_publickey *publickey, bool intrans, bool update)
+static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
+ bool update)
{
struct openpgp_packet_list *packets = NULL;
struct openpgp_packet_list *list_end = NULL;
keyid = get_keyid(publickey);
if (!intrans) {
- starttrans();
+ db4_starttrans();
}
/*
* it definitely needs updated.
*/
if (update) {
- deadlock = (delete_key(keyid, true) == -1);
+ deadlock = (db4_delete_key(keyid, true) == -1);
}
/*
}
if (!intrans) {
- endtrans();
+ db4_endtrans();
}
return deadlock ? -1 : 0 ;
}
-/**
- * delete_key - Given a keyid delete the key from storage.
- * @keyid: The keyid to delete.
- * @intrans: If we're already in a transaction.
- *
- * This function deletes a public key from whatever storage mechanism we
- * are using. Returns 0 if the key existed.
- */
-int delete_key(uint64_t keyid, bool intrans)
-{
- struct openpgp_publickey *publickey = NULL;
- DBT key, data;
- DBC *cursor = NULL;
- uint32_t shortkeyid = 0;
- uint64_t *subkeyids = NULL;
- int ret = 0;
- int i;
- char **uids = NULL;
- char *primary = NULL;
- unsigned char worddb_data[12];
- struct ll *wordlist = NULL;
- struct ll *curword = NULL;
- bool deadlock = false;
-
- if (!intrans) {
- starttrans();
- }
-
- fetch_key(keyid, &publickey, true);
-
- /*
- * Walk through the uids removing the words from the worddb.
- */
- if (publickey != NULL) {
- uids = keyuids(publickey, &primary);
- }
- if (uids != NULL) {
- for (i = 0; ret == 0 && uids[i] != NULL; i++) {
- wordlist = makewordlist(wordlist, uids[i]);
- }
-
- ret = worddb->cursor(worddb,
- txn,
- &cursor,
- 0); /* flags */
-
- for (curword = wordlist; curword != NULL && !deadlock;
- curword = curword->next) {
- memset(&key, 0, sizeof(key));
- memset(&data, 0, sizeof(data));
- key.data = curword->object;
- key.size = strlen(key.data);
- data.data = worddb_data;
- data.size = sizeof(worddb_data);
-
- /*
- * Our data is the key creation time followed by the
- * key id.
- */
- worddb_data[ 0] = publickey->publickey->data[1];
- worddb_data[ 1] = publickey->publickey->data[2];
- worddb_data[ 2] = publickey->publickey->data[3];
- worddb_data[ 3] = publickey->publickey->data[4];
- worddb_data[ 4] = (keyid >> 56) & 0xFF;
- worddb_data[ 5] = (keyid >> 48) & 0xFF;
- worddb_data[ 6] = (keyid >> 40) & 0xFF;
- worddb_data[ 7] = (keyid >> 32) & 0xFF;
- worddb_data[ 8] = (keyid >> 24) & 0xFF;
- worddb_data[ 9] = (keyid >> 16) & 0xFF;
- worddb_data[10] = (keyid >> 8) & 0xFF;
- worddb_data[11] = keyid & 0xFF;
-
- ret = cursor->c_get(cursor,
- &key,
- &data,
- DB_GET_BOTH);
-
- if (ret == 0) {
- ret = cursor->c_del(cursor, 0);
- if (ret != 0) {
- logthing(LOGTHING_ERROR,
- "Problem deleting word: %s",
- db_strerror(ret));
- }
- }
-
- if (ret != 0) {
- logthing(LOGTHING_ERROR,
- "Problem deleting word: %s",
- db_strerror(ret));
- if (ret == DB_LOCK_DEADLOCK) {
- deadlock = true;
- }
- }
- }
- ret = cursor->c_close(cursor);
- cursor = NULL;
-
- /*
- * Free our UID and word lists.
- */
- llfree(wordlist, NULL);
- for (i = 0; uids[i] != NULL; i++) {
- free(uids[i]);
- uids[i] = NULL;
- }
- free(uids);
- uids = NULL;
- free_publickey(publickey);
- publickey = NULL;
- }
-
- if (!deadlock) {
- ret = id32db->cursor(id32db,
- txn,
- &cursor,
- 0); /* flags */
-
- shortkeyid = keyid & 0xFFFFFFFF;
-
- memset(&key, 0, sizeof(key));
- memset(&data, 0, sizeof(data));
- key.data = &shortkeyid;
- key.size = sizeof(shortkeyid);
- data.data = &keyid;
- data.size = sizeof(keyid);
-
- ret = cursor->c_get(cursor,
- &key,
- &data,
- DB_GET_BOTH);
-
- if (ret == 0) {
- ret = cursor->c_del(cursor, 0);
- if (ret != 0) {
- logthing(LOGTHING_ERROR,
- "Problem deleting short keyid: %s",
- db_strerror(ret));
- }
- }
-
- if (ret != 0) {
- logthing(LOGTHING_ERROR,
- "Problem deleting short keyid: %s",
- db_strerror(ret));
- if (ret == DB_LOCK_DEADLOCK) {
- deadlock = true;
- }
- }
-
- subkeyids = keysubkeys(publickey);
- i = 0;
- while (subkeyids != NULL && subkeyids[i] != 0) {
- shortkeyid = subkeyids[i++] & 0xFFFFFFFF;
-
- memset(&key, 0, sizeof(key));
- memset(&data, 0, sizeof(data));
- key.data = &shortkeyid;
- key.size = sizeof(shortkeyid);
- data.data = &keyid;
- data.size = sizeof(keyid);
-
- ret = cursor->c_get(cursor,
- &key,
- &data,
- DB_GET_BOTH);
-
- if (ret == 0) {
- ret = cursor->c_del(cursor, 0);
- if (ret != 0) {
- logthing(LOGTHING_ERROR,
- "Problem deleting short"
- " keyid: %s",
- db_strerror(ret));
- }
- }
-
- if (ret != 0) {
- logthing(LOGTHING_ERROR,
- "Problem deleting short keyid: %s",
- db_strerror(ret));
- if (ret == DB_LOCK_DEADLOCK) {
- deadlock = true;
- }
- }
- }
- if (subkeyids != NULL) {
- free(subkeyids);
- subkeyids = NULL;
- }
-
- ret = cursor->c_close(cursor);
- cursor = NULL;
- }
-
- if (!deadlock) {
- key.data = &keyid;
- key.size = sizeof(keyid);
-
- keydb(keyid)->del(keydb(keyid),
- txn,
- &key,
- 0); /* flags */
- }
-
- if (!intrans) {
- endtrans();
- }
-
- return deadlock ? (-1) : (ret == DB_NOTFOUND);
-}
-
/**
* iterate_keys - call a function once for each key in the db.
* @iterfunc: The function to call.
*
* Returns the number of keys we iterated over.
*/
-int iterate_keys(void (*iterfunc)(void *ctx, struct openpgp_publickey *key),
- void *ctx)
+static int db4_iterate_keys(void (*iterfunc)(void *ctx,
+ struct openpgp_publickey *key), void *ctx)
{
DBT dbkey, data;
DBC *cursor = NULL;
* This function maps a 32bit key id to the full 64bit one. It returns the
* full keyid. If the key isn't found a keyid of 0 is returned.
*/
-uint64_t getfullkeyid(uint64_t keyid)
+static uint64_t db4_getfullkeyid(uint64_t keyid)
{
DBT key, data;
DBC *cursor = NULL;
#define NEED_KEYID2UID 1
#define NEED_UPDATEKEYS 1
#include "keydb.c"
+
+struct dbfuncs keydb_db4_funcs = {
+ .initdb = db4_initdb,
+ .cleanupdb = db4_cleanupdb,
+ .starttrans = db4_starttrans,
+ .endtrans = db4_endtrans,
+ .fetch_key = db4_fetch_key,
+ .fetch_key_text = db4_fetch_key_text,
+ .store_key = db4_store_key,
+ .update_keys = generic_update_keys,
+ .delete_key = db4_delete_key,
+ .getkeysigs = generic_getkeysigs,
+ .cached_getkeysigs = generic_cached_getkeysigs,
+ .keyid2uid = generic_keyid2uid,
+ .getfullkeyid = db4_getfullkeyid,
+ .iterate_keys = db4_iterate_keys,
+};