/*
- * keydb_db4.c - Routines to store and fetch keys in a DB3 database.
+ * keydb_db4.c - Routines to store and fetch keys in a DB4 database.
*
* Jonathan McDowell <noodles@earth.li>
*
#include <db.h>
#include "charfuncs.h"
+#include "keyarray.h"
#include "keydb.h"
#include "keyid.h"
#include "decodekey.h"
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 (dbconns == NULL) {
logthing(LOGTHING_CRITICAL,
"Couldn't allocate memory for dbconns");
- exit(1);
+ ret = 1;
}
- ret = db_env_create(&dbenv, 0);
- if (ret != 0) {
- logthing(LOGTHING_CRITICAL,
- "db_env_create: %s", db_strerror(ret));
- exit(1);
+ if (ret == 0) {
+ ret = db_env_create(&dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "db_env_create: %s", db_strerror(ret));
+ }
}
/*
* anything. What we really want is simple 2 state locks, but I'm not
* sure how to make the standard DB functions do that yet.
*/
- ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT);
- if (ret != 0) {
- logthing(LOGTHING_CRITICAL,
- "db_env_create: %s", db_strerror(ret));
- exit(1);
- }
-
- ret = dbenv->open(dbenv, config.db_dir,
- DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK |
- DB_INIT_TXN |
- DB_CREATE,
- 0);
- if (ret != 0) {
- logthing(LOGTHING_CRITICAL,
- "Error opening db environment: %s (%s)",
- config.db_dir,
- db_strerror(ret));
- exit(1);
- }
-
- starttrans();
-
- for (i = 0; i < numdbs; i++) {
- ret = db_create(&dbconns[i], dbenv, 0);
+ if (ret == 0) {
+ ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT);
if (ret != 0) {
logthing(LOGTHING_CRITICAL,
- "db_create: %s", db_strerror(ret));
- exit(1);
+ "db_env_create: %s", db_strerror(ret));
}
+ }
- snprintf(buf, 1023, "keydb.%d.db", i);
- flags = DB_CREATE;
- if (readonly) {
- flags = DB_RDONLY;
- }
- ret = dbconns[i]->open(dbconns[i],
- txn,
- buf,
- "keydb",
- DB_HASH,
- flags,
- 0664);
+ if (ret == 0) {
+ ret = dbenv->open(dbenv, config.db_dir,
+ DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK |
+ DB_INIT_TXN |
+ DB_CREATE,
+ 0);
if (ret != 0) {
logthing(LOGTHING_CRITICAL,
- "Error opening key database: %s (%s)",
- buf,
- db_strerror(ret));
- exit(1);
+ "Error opening db environment: %s (%s)",
+ config.db_dir,
+ db_strerror(ret));
+ dbenv->close(dbenv, 0);
+ dbenv = NULL;
}
}
- ret = db_create(&worddb, dbenv, 0);
- if (ret != 0) {
- logthing(LOGTHING_CRITICAL, "db_create: %s", db_strerror(ret));
- exit(1);
- }
- ret = worddb->set_flags(worddb, DB_DUP);
+ if (ret == 0) {
+ db4_starttrans();
- ret = worddb->open(worddb, txn, "worddb", "worddb", DB_BTREE,
- flags,
- 0664);
- if (ret != 0) {
- logthing(LOGTHING_CRITICAL,
- "Error opening word database: %s (%s)",
- "worddb",
- db_strerror(ret));
- exit(1);
- }
+ for (i = 0; !ret && i < numdbs; i++) {
+ ret = db_create(&dbconns[i], dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "db_create: %s", db_strerror(ret));
+ }
- ret = db_create(&id32db, dbenv, 0);
- if (ret != 0) {
- logthing(LOGTHING_CRITICAL, "db_create: %s", db_strerror(ret));
- exit(1);
- }
- ret = id32db->set_flags(id32db, DB_DUP);
+ if (ret == 0) {
+ snprintf(buf, 1023, "keydb.%d.db", i);
+ flags = DB_CREATE;
+ if (readonly) {
+ flags = DB_RDONLY;
+ }
+ ret = dbconns[i]->open(dbconns[i],
+ txn,
+ buf,
+ "keydb",
+ DB_HASH,
+ flags,
+ 0664);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening key database:"
+ " %s (%s)",
+ buf,
+ db_strerror(ret));
+ }
+ }
+ }
- ret = id32db->open(id32db, txn, "id32db", "id32db", DB_HASH,
- flags,
- 0664);
- if (ret != 0) {
- logthing(LOGTHING_CRITICAL,
- "Error opening id32 database: %s (%s)",
- "id32db",
- db_strerror(ret));
- exit(1);
}
- endtrans();
-
- 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;
- }
+ if (ret == 0) {
+ ret = db_create(&worddb, dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL, "db_create: %s",
+ db_strerror(ret));
}
- 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;
+ if (ret == 0) {
+ ret = worddb->set_flags(worddb, DB_DUP);
+ }
- log_assert(dbenv != NULL);
- log_assert(txn == NULL);
+ if (ret == 0) {
+ ret = worddb->open(worddb, txn, "worddb", "worddb", DB_BTREE,
+ flags,
+ 0664);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening word database: %s (%s)",
+ "worddb",
+ db_strerror(ret));
+ }
+ }
- 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);
+ if (ret == 0) {
+ ret = db_create(&id32db, dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL, "db_create: %s",
+ db_strerror(ret));
+ }
}
- return true;
-}
+ if (ret == 0) {
+ ret = id32db->set_flags(id32db, DB_DUP);
+ }
-/**
- * endtrans - End a transaction.
- *
- * Ends a transaction.
- */
-void endtrans(void)
-{
- int ret;
+ if (ret == 0) {
+ ret = id32db->open(id32db, txn, "id32db", "id32db", DB_HASH,
+ flags,
+ 0664);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening id32 database: %s (%s)",
+ "id32db",
+ db_strerror(ret));
+ }
+ }
- log_assert(dbenv != NULL);
- log_assert(txn != NULL);
+ if (txn != NULL) {
+ endtrans();
+ }
- ret = txn->commit(txn,
- 0);
if (ret != 0) {
+ db4_cleanupdb();
logthing(LOGTHING_CRITICAL,
- "Error ending transaction: %s",
- db_strerror(ret));
- exit(1);
+ "Error opening database; exiting");
+ exit(EXIT_FAILURE);
}
- txn = NULL;
-
+
return;
}
* 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),
* 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;
char *searchtext = NULL;
struct ll *wordlist = NULL;
struct ll *curword = NULL;
- struct ll *keylist = NULL;
- struct ll *newkeylist = NULL;
+ struct keyarray keylist = { NULL, 0, 0 };
+ struct keyarray newkeylist = { NULL, 0, 0 };
numkeys = 0;
searchtext = strdup(search);
wordlist = makewordlist(wordlist, searchtext);
- starttrans();
+ for (curword = wordlist; curword != NULL; curword = curword->next) {
+ db4_starttrans();
- ret = worddb->cursor(worddb,
- txn,
- &cursor,
- 0); /* flags */
+ ret = worddb->cursor(worddb,
+ txn,
+ &cursor,
+ 0); /* flags */
- for (curword = wordlist; curword != NULL; curword = curword->next) {
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
key.data = curword->object;
data.data)[i];
}
- if (keylist == NULL ||
- llfind(keylist, data.data,
- worddb_cmp) != NULL) {
- newkeylist = lladd(newkeylist, data.data);
- data.data = NULL;
- } else {
- free(data.data);
- data.data = NULL;
+ if (keylist.count == 0 ||
+ array_find(&keylist, keyid)) {
+ array_add(&newkeylist, keyid);
}
+
+ free(data.data);
+ data.data = NULL;
+
ret = cursor->c_get(cursor,
&key,
&data,
DB_NEXT);
}
- llfree(keylist, free);
+ array_free(&keylist);
keylist = newkeylist;
- newkeylist = NULL;
+ 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;
+ endtrans();
}
llfree(wordlist, NULL);
wordlist = NULL;
- for (newkeylist = keylist;
- newkeylist != NULL && numkeys < config.maxkeys;
- newkeylist = newkeylist->next) {
-
- keyid = 0;
- for (i = 4; i < 12; i++) {
- keyid <<= 8;
- keyid += ((unsigned char *)
- newkeylist->object)[i];
- }
-
- numkeys += fetch_key(keyid,
- publickey,
- true);
+ db4_starttrans();
+ for (i = 0; i < keylist.count; i++) {
+ numkeys += fetch_key(keylist.keys[i],
+ publickey,
+ true);
}
- llfree(keylist, free);
- keylist = NULL;
+ array_free(&keylist);
free(searchtext);
searchtext = NULL;
- ret = cursor->c_close(cursor);
- cursor = NULL;
-
endtrans();
return (numkeys);
* 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();
}
/*
uids = NULL;
}
- if (!intrans) {
- endtrans();
- }
-
/*
* Write the truncated 32 bit keyid so we can lookup the full id for
* queries.
}
}
+ if (!intrans) {
+ endtrans();
+ }
+
return deadlock ? -1 : 0 ;
}
* 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)
+static int db4_delete_key(uint64_t keyid, bool intrans)
{
struct openpgp_publickey *publickey = NULL;
DBT key, data;
bool deadlock = false;
if (!intrans) {
- starttrans();
+ db4_starttrans();
}
fetch_key(keyid, &publickey, true);
}
/**
- * dumpdb - dump the key database
- * @filenamebase: The base filename to use for the dump.
+ * iterate_keys - call a function once for each key in the db.
+ * @iterfunc: The function to call.
+ * @ctx: A context pointer
*
- * Dumps the database into one or more files, which contain pure OpenPGP
- * that can be reimported into onak or gpg. filenamebase provides a base
- * file name for the dump; several files may be created, all of which will
- * begin with this string and then have a unique number and a .pgp
- * extension.
+ * Calls iterfunc once for each key in the database. ctx is passed
+ * unaltered to iterfunc. This function is intended to aid database dumps
+ * and statistic calculations.
+ *
+ * Returns the number of keys we iterated over.
*/
-int dumpdb(char *filenamebase)
+static int db4_iterate_keys(void (*iterfunc)(void *ctx,
+ struct openpgp_publickey *key), void *ctx)
{
- DBT key, data;
- DBC *cursor = NULL;
- int ret = 0;
- int fd = -1;
- int i = 0;
- char filename[1024];
-
- filename[1023] = 0;
+ DBT dbkey, data;
+ DBC *cursor = NULL;
+ int ret = 0;
+ int i = 0;
+ int numkeys = 0;
+ struct buffer_ctx fetchbuf;
+ struct openpgp_packet_list *packets = NULL;
+ struct openpgp_publickey *key = NULL;
+
for (i = 0; i < numdbs; i++) {
ret = dbconns[i]->cursor(dbconns[i],
NULL,
&cursor,
0); /* flags */
- snprintf(filename, 1023, "%s.%d.pgp", filenamebase, i);
- fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0640);
- if (fd == -1) {
- logthing(LOGTHING_ERROR,
- "Error opening keydump file (%s): %s",
- filename,
- strerror(errno));
- } else {
- memset(&key, 0, sizeof(key));
+ memset(&dbkey, 0, sizeof(dbkey));
+ memset(&data, 0, sizeof(data));
+ ret = cursor->c_get(cursor, &dbkey, &data, DB_NEXT);
+ while (ret == 0) {
+ fetchbuf.buffer = data.data;
+ fetchbuf.offset = 0;
+ fetchbuf.size = data.size;
+ read_openpgp_stream(buffer_fetchchar, &fetchbuf,
+ &packets, 0);
+ parse_keys(packets, &key);
+
+ iterfunc(ctx, key);
+
+ free_publickey(key);
+ key = NULL;
+ free_packet_list(packets);
+ packets = NULL;
+
+ memset(&dbkey, 0, sizeof(dbkey));
memset(&data, 0, sizeof(data));
- ret = cursor->c_get(cursor, &key, &data, DB_NEXT);
- while (ret == 0) {
- write(fd, data.data, data.size);
- memset(&key, 0, sizeof(key));
- memset(&data, 0, sizeof(data));
- ret = cursor->c_get(cursor, &key, &data,
- DB_NEXT);
- }
- if (ret != DB_NOTFOUND) {
- logthing(LOGTHING_ERROR,
- "Problem reading key: %s",
- db_strerror(ret));
- }
- close(fd);
+ ret = cursor->c_get(cursor, &dbkey, &data,
+ DB_NEXT);
+ numkeys++;
+ }
+ if (ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem reading key: %s",
+ db_strerror(ret));
}
ret = cursor->c_close(cursor);
cursor = NULL;
}
- return 0;
+ return numkeys;
}
/**
* 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_GETKEYSIGS 1
#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,
+};
projects / onak.git / blobdiff