+/*
+ * keydb_db4.c - Routines to store and fetch keys in a DB4 database.
+ *
+ * Copyright 2002-2008 Jonathan McDowell <noodles@earth.li>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/uio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <db.h>
+
+#include "charfuncs.h"
+#include "keyarray.h"
+#include "keydb.h"
+#include "keyid.h"
+#include "decodekey.h"
+#include "keystructs.h"
+#include "mem.h"
+#include "ll.h"
+#include "log.h"
+#include "onak.h"
+#include "onak-conf.h"
+#include "parsekey.h"
+#include "wordlist.h"
+
+#define DB4_UPGRADE_FILE "db_upgrade.lck"
+
+struct onak_db4_dbctx {
+ DB_ENV *dbenv; /* The database environment context */
+ int numdbs; /* Number of data databases in use */
+ DB **dbconns; /* Connections to the key data databases */
+ DB *worddb; /* Connection to the word lookup database */
+ DB *id32db; /* Connection to the 32 bit ID lookup database */
+ DB *id64db; /* Connection to the 64 bit ID lookup database */
+ DB *skshashdb; /* Connection to the SKS hash database */
+ DB *subkeydb; /* Connection to the subkey ID lookup database */
+ DB_TXN *txn; /* Our current transaction ID */
+};
+
+DB *keydb_id(struct onak_db4_dbctx *privctx, uint64_t keyid)
+{
+ uint64_t keytrun;
+
+ keytrun = keyid >> 8;
+
+ return(privctx->dbconns[keytrun % privctx->numdbs]);
+}
+
+DB *keydb_fp(struct onak_db4_dbctx *privctx, struct openpgp_fingerprint *fp)
+{
+ uint64_t keytrun;
+
+ keytrun = fp->fp[4];
+ keytrun <<= 8;
+ keytrun |= fp->fp[5];
+ keytrun <<= 8;
+ keytrun |= fp->fp[6];
+ keytrun <<= 8;
+ keytrun |= fp->fp[7];
+
+ return(privctx->dbconns[keytrun % privctx->numdbs]);
+}
+
+/**
+ * db4_errfunc - Direct DB errors to logfile
+ *
+ * Basic function to take errors from the DB library and output them to
+ * the logfile rather than stderr.
+ */
+#if (DB_VERSION_MAJOR == 4) && (DB_VERSION_MINOR < 3)
+static void db4_errfunc(const char *errpfx, const char *errmsg)
+#else
+static void db4_errfunc(const DB_ENV *edbenv, const char *errpfx,
+ const char *errmsg)
+#endif
+{
+ if (errpfx) {
+ logthing(LOGTHING_DEBUG, "db4 error: %s:%s", errpfx, errmsg);
+ } else {
+ logthing(LOGTHING_DEBUG, "db4 error: %s", errmsg);
+ }
+
+ return;
+}
+
+/**
+ * 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(struct onak_dbctx *dbctx)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ int ret;
+
+ log_assert(privctx->dbenv != NULL);
+ log_assert(privctx->txn == NULL);
+
+ ret = privctx->dbenv->txn_begin(privctx->dbenv,
+ NULL, /* No parent transaction */
+ &privctx->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(struct onak_dbctx *dbctx)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ int ret;
+
+ log_assert(privctx->dbenv != NULL);
+ log_assert(privctx->txn != NULL);
+
+ ret = privctx->txn->commit(privctx->txn,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error ending transaction: %s",
+ db_strerror(ret));
+ exit(1);
+ }
+ privctx->txn = NULL;
+
+ return;
+}
+
+/**
+ * db4_upgradedb - Upgrade a DB4 database
+ *
+ * Called if we discover we need to upgrade our DB4 database; ie if
+ * we're running with a newer version of db4 than the database was
+ * created with.
+ */
+static int db4_upgradedb(struct onak_dbctx *dbctx)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ DB *curdb = NULL;
+ int ret;
+ int i;
+ char buf[1024];
+ int lockfile_fd;
+ struct stat statbuf;
+ ssize_t written;
+
+ snprintf(buf, sizeof(buf) - 1, "%s/%s", dbctx->config->location,
+ DB4_UPGRADE_FILE);
+ lockfile_fd = open(buf, O_RDWR | O_CREAT | O_EXCL, 0600);
+ if (lockfile_fd < 0) {
+ if (errno == EEXIST) {
+ while (stat(buf, &statbuf) == 0) ;
+ return 0;
+ } else {
+ logthing(LOGTHING_CRITICAL, "Couldn't open database "
+ "update lock file: %s", strerror(errno));
+ return -1;
+ }
+ }
+ snprintf(buf, sizeof(buf) - 1, "%d", getpid());
+ written = write(lockfile_fd, buf, strlen(buf));
+ close(lockfile_fd);
+ if (written != strlen(buf)) {
+ logthing(LOGTHING_CRITICAL, "Couldn't write PID to lockfile: "
+ "%s", strerror(errno));
+ snprintf(buf, sizeof(buf) - 1, "%s/%s", dbctx->config->location,
+ DB4_UPGRADE_FILE);
+ unlink(buf);
+ return -1;
+ }
+
+ logthing(LOGTHING_NOTICE, "Upgrading DB4 database");
+ ret = db_env_create(&privctx->dbenv, 0);
+ if (ret == 0) {
+ privctx->dbenv->set_errcall(privctx->dbenv, &db4_errfunc);
+ privctx->dbenv->remove(privctx->dbenv, dbctx->config->location, 0);
+ privctx->dbenv = NULL;
+ }
+ for (i = 0; i < privctx->numdbs; i++) {
+ ret = db_create(&curdb, NULL, 0);
+ if (ret == 0) {
+ snprintf(buf, sizeof(buf) - 1, "%s/keydb.%d.db",
+ dbctx->config->location, i);
+ logthing(LOGTHING_DEBUG, "Upgrading %s", buf);
+ curdb->upgrade(curdb, buf, 0);
+ curdb->close(curdb, 0);
+ } else {
+ logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
+ buf,
+ db_strerror(ret));
+ }
+ }
+
+ ret = db_create(&curdb, NULL, 0);
+ if (ret == 0) {
+ snprintf(buf, sizeof(buf) - 1, "%s/worddb", dbctx->config->location);
+ logthing(LOGTHING_DEBUG, "Upgrading %s", buf);
+ curdb->upgrade(curdb, buf, 0);
+ curdb->close(curdb, 0);
+ } else {
+ logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
+ buf,
+ db_strerror(ret));
+ }
+
+ ret = db_create(&curdb, NULL, 0);
+ if (ret == 0) {
+ snprintf(buf, sizeof(buf) - 1, "%s/id32db", dbctx->config->location);
+ logthing(LOGTHING_DEBUG, "Upgrading %s", buf);
+ curdb->upgrade(curdb, buf, 0);
+ curdb->close(curdb, 0);
+ } else {
+ logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
+ buf,
+ db_strerror(ret));
+ }
+
+ ret = db_create(&curdb, NULL, 0);
+ if (ret == 0) {
+ snprintf(buf, sizeof(buf) - 1, "%s/id64db", dbctx->config->location);
+ logthing(LOGTHING_DEBUG, "Upgrading %s", buf);
+ curdb->upgrade(curdb, buf, 0);
+ curdb->close(curdb, 0);
+ } else {
+ logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
+ buf,
+ db_strerror(ret));
+ }
+
+ ret = db_create(&curdb, NULL, 0);
+ if (ret == 0) {
+ snprintf(buf, sizeof(buf) - 1, "%s/skshashdb", dbctx->config->location);
+ logthing(LOGTHING_DEBUG, "Upgrading %s", buf);
+ curdb->upgrade(curdb, buf, 0);
+ curdb->close(curdb, 0);
+ } else {
+ logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
+ buf,
+ db_strerror(ret));
+ }
+
+ ret = db_create(&curdb, NULL, 0);
+ if (ret == 0) {
+ snprintf(buf, sizeof(buf) - 1, "%s/subkeydb", dbctx->config->location);
+ logthing(LOGTHING_DEBUG, "Upgrading %s", buf);
+ curdb->upgrade(curdb, buf, 0);
+ curdb->close(curdb, 0);
+ } else {
+ logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
+ buf,
+ db_strerror(ret));
+ }
+
+ snprintf(buf, sizeof(buf) - 1, "%s/%s", dbctx->config->location,
+ DB4_UPGRADE_FILE);
+ unlink(buf);
+
+ return ret;
+}
+
+/**
+ * fetch_key_fp - Given a fingerprint fetch the key from storage.
+ */
+static int db4_fetch_key_fp(struct onak_dbctx *dbctx,
+ struct openpgp_fingerprint *fingerprint,
+ struct openpgp_publickey **publickey,
+ bool intrans)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ struct openpgp_packet_list *packets = NULL;
+ DBT key, data;
+ int ret = 0;
+ int numkeys = 0;
+ struct buffer_ctx fetchbuf;
+ struct openpgp_fingerprint subfp;
+
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+
+ data.size = 0;
+ data.data = NULL;
+
+ key.size = fingerprint->length;
+ key.data = fingerprint->fp;
+
+ if (!intrans) {
+ db4_starttrans(dbctx);
+ }
+
+ ret = keydb_fp(privctx, fingerprint)->get(keydb_fp(privctx,
+ fingerprint),
+ privctx->txn,
+ &key,
+ &data,
+ 0); /* flags*/
+
+ if (ret == DB_NOTFOUND) {
+ /* If we didn't find the key ID see if it's a subkey ID */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ data.data = subfp.fp;
+ data.ulen = MAX_FINGERPRINT_LEN;
+ data.flags = DB_DBT_USERMEM;
+ key.data = fingerprint->fp;
+ key.size = fingerprint->length;
+
+ ret = privctx->subkeydb->get(privctx->subkeydb,
+ privctx->txn,
+ &key,
+ &data,
+ 0); /* flags*/
+
+ if (ret == 0) {
+ /* We got a subkey match; retrieve the actual key */
+ memset(&key, 0, sizeof(key));
+ key.size = subfp.length = data.size;
+ key.data = subfp.fp;
+
+ memset(&data, 0, sizeof(data));
+ data.size = 0;
+ data.data = NULL;
+
+ ret = keydb_fp(privctx, &subfp)->get(
+ keydb_fp(privctx, &subfp),
+ privctx->txn,
+ &key,
+ &data,
+ 0); /* flags*/
+ }
+ }
+
+ if (ret == 0) {
+ fetchbuf.buffer = data.data;
+ fetchbuf.offset = 0;
+ fetchbuf.size = data.size;
+ read_openpgp_stream(buffer_fetchchar, &fetchbuf,
+ &packets, 0);
+ parse_keys(packets, publickey);
+ free_packet_list(packets);
+ packets = NULL;
+ numkeys++;
+ } else if (ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem retrieving key: %s",
+ db_strerror(ret));
+ }
+
+ if (!intrans) {
+ db4_endtrans(dbctx);
+ }
+
+ return (numkeys);
+}
+
+/**
+ * fetch_key_id - Given a keyid fetch the key from storage.
+ * @keyid: The keyid to fetch.
+ * @publickey: A pointer to a structure to return the key in.
+ * @intrans: If we're already in a transaction.
+ *
+ * We use the hex representation of the keyid as the filename to fetch the
+ * key from. The key is stored in the file as a binary OpenPGP stream of
+ * packets, so we can just use read_openpgp_stream() to read the packets
+ * in and then parse_keys() to parse the packets into a publickey
+ * structure.
+ */
+static int db4_fetch_key_id(struct onak_dbctx *dbctx, uint64_t keyid,
+ struct openpgp_publickey **publickey,
+ bool intrans)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ DBT key, data;
+ DBC *cursor = NULL;
+ int ret = 0;
+ int numkeys = 0;
+ uint32_t shortkeyid = 0;
+ struct openpgp_fingerprint fingerprint;
+ bool first;
+
+ if (!intrans) {
+ db4_starttrans(dbctx);
+ }
+
+ /* If the key ID fits in 32 bits assume it's a short key id */
+ if (keyid < 0x100000000LL) {
+ ret = privctx->id32db->cursor(privctx->id32db,
+ privctx->txn,
+ &cursor,
+ 0); /* flags */
+
+ shortkeyid = keyid & 0xFFFFFFFF;
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &shortkeyid;
+ key.size = sizeof(shortkeyid);
+ } else {
+ ret = privctx->id64db->cursor(privctx->id64db,
+ privctx->txn,
+ &cursor,
+ 0); /* flags*/
+
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &keyid;
+ key.size = sizeof(keyid);
+ }
+
+ if (ret != 0) {
+ return 0;
+ }
+
+ memset(&data, 0, sizeof(data));
+ data.ulen = MAX_FINGERPRINT_LEN;
+ data.data = fingerprint.fp;
+ data.flags = DB_DBT_USERMEM;
+
+ first = true;
+ while (cursor->c_get(cursor, &key, &data,
+ first ? DB_SET : DB_NEXT_DUP) == 0) {
+ /* We got a match; retrieve the actual key */
+ fingerprint.length = data.size;
+
+ if (db4_fetch_key_fp(dbctx, &fingerprint,
+ publickey, true))
+ numkeys++;
+
+ memset(&data, 0, sizeof(data));
+ data.ulen = MAX_FINGERPRINT_LEN;
+ data.data = fingerprint.fp;
+ data.flags = DB_DBT_USERMEM;
+ first = false;
+ }
+ cursor->c_close(cursor);
+ cursor = NULL;
+
+ if (!intrans) {
+ db4_endtrans(dbctx);
+ }
+
+ return (numkeys);
+}
+
+/**
+ * fetch_key_text - Trys to find the keys that contain the supplied text.
+ * @search: The text to search for.
+ * @publickey: A pointer to a structure to return the key in.
+ *
+ * This function searches for the supplied text and returns the keys that
+ * contain it.
+ */
+static int db4_fetch_key_text(struct onak_dbctx *dbctx, const char *search,
+ struct openpgp_publickey **publickey)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ DBC *cursor = NULL;
+ DBT key, data;
+ int ret;
+ int i;
+ int numkeys;
+ char *searchtext = NULL;
+ struct ll *wordlist = NULL;
+ struct ll *curword = NULL;
+ struct keyarray keylist = { NULL, 0, 0 };
+ struct keyarray newkeylist = { NULL, 0, 0 };
+ int firstpass = 1;
+ struct openpgp_fingerprint fingerprint;
+
+ numkeys = 0;
+ searchtext = strdup(search);
+ wordlist = makewordlist(wordlist, searchtext);
+
+ for (curword = wordlist; curword != NULL; curword = curword->next) {
+ db4_starttrans(dbctx);
+
+ ret = privctx->worddb->cursor(privctx->worddb,
+ privctx->txn,
+ &cursor,
+ 0); /* flags */
+
+ if (ret != 0) {
+ db4_endtrans(dbctx);
+ break;
+ }
+
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = curword->object;
+ key.size = strlen(curword->object);
+ data.flags = DB_DBT_MALLOC;
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_SET);
+ while (ret == 0 && strncmp(key.data, curword->object,
+ key.size) == 0 &&
+ ((char *) curword->object)[key.size] == 0) {
+
+ fingerprint.length = data.size;
+ memcpy(fingerprint.fp, data.data, data.size);
+
+ /*
+ * Only add the keys containing this word if this is
+ * our first pass (ie we have no existing key list),
+ * or the key contained a previous word.
+ */
+ if (firstpass || array_find(&keylist, &fingerprint)) {
+ array_add(&newkeylist, &fingerprint);
+ }
+
+ free(data.data);
+ data.data = NULL;
+
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_NEXT);
+ }
+ array_free(&keylist);
+ keylist.keys = newkeylist.keys;
+ keylist.count = newkeylist.count;
+ keylist.size = newkeylist.size;
+ newkeylist.keys = NULL;
+ newkeylist.count = newkeylist.size = 0;
+ if (data.data != NULL) {
+ free(data.data);
+ data.data = NULL;
+ }
+ cursor->c_close(cursor);
+ cursor = NULL;
+ firstpass = 0;
+ db4_endtrans(dbctx);
+ }
+ llfree(wordlist, NULL);
+ wordlist = NULL;
+
+ if (keylist.count > config.maxkeys) {
+ keylist.count = config.maxkeys;
+ }
+
+ db4_starttrans(dbctx);
+ for (i = 0; i < keylist.count; i++) {
+ numkeys += db4_fetch_key_fp(dbctx, &keylist.keys[i],
+ publickey,
+ true);
+ }
+ array_free(&keylist);
+ free(searchtext);
+ searchtext = NULL;
+
+ db4_endtrans(dbctx);
+
+ return (numkeys);
+}
+
+static int db4_fetch_key_skshash(struct onak_dbctx *dbctx,
+ const struct skshash *hash,
+ struct openpgp_publickey **publickey)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ DBT key, data;
+ DBC *cursor = NULL;
+ int ret;
+ int count = 0;
+ struct openpgp_fingerprint fingerprint;
+
+ ret = privctx->skshashdb->cursor(privctx->skshashdb,
+ privctx->txn,
+ &cursor,
+ 0); /* flags */
+
+ if (ret != 0) {
+ return 0;
+ }
+
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = (void *) hash->hash;
+ key.size = sizeof(hash->hash);
+ data.ulen = MAX_FINGERPRINT_LEN;
+ data.data = fingerprint.fp;
+ data.flags = DB_DBT_USERMEM;
+
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_SET);
+
+ if (ret == 0) {
+ fingerprint.length = data.size;
+ count = db4_fetch_key_fp(dbctx, &fingerprint,
+ publickey, false);
+ }
+
+ cursor->c_close(cursor);
+ cursor = NULL;
+
+ return count;
+}
+
+/**
+ * delete_key - Given a keyid delete the key from storage.
+ * @fp: The fingerprint of the key 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(struct onak_dbctx *dbctx,
+ struct openpgp_fingerprint *fp,
+ bool intrans)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ struct openpgp_publickey *publickey = NULL;
+ DBT key, data;
+ DBC *cursor = NULL;
+ DBC *cursor64 = NULL;
+ uint32_t shortkeyid = 0;
+ uint64_t subkeyid = 0;
+ struct openpgp_fingerprint *subkeyids = NULL;
+ int ret = 0;
+ int i;
+ char **uids = NULL;
+ char *primary = NULL;
+ struct ll *wordlist = NULL;
+ struct ll *curword = NULL;
+ bool deadlock = false;
+ struct skshash hash;
+ uint64_t keyid;
+
+ if (!intrans) {
+ db4_starttrans(dbctx);
+ }
+
+ if (db4_fetch_key_fp(dbctx, fp, &publickey, true) == 0) {
+ if (!intrans) {
+ db4_endtrans(dbctx);
+ }
+ return 1;
+ }
+
+ if (get_keyid(publickey, &keyid) != ONAK_E_OK) {
+ return 1;
+ }
+
+ /*
+ * 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]);
+ }
+
+ privctx->worddb->cursor(privctx->worddb,
+ privctx->txn,
+ &cursor,
+ 0); /* flags */
+
+ for (curword = wordlist; curword != NULL && !deadlock;
+ curword = curword->next) {
+ /*
+ * New style uses the fingerprint as the data
+ * Old (unsupported) style was the 64 bit keyid
+ */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = curword->object;
+ key.size = strlen(key.data);
+ data.data = fp->fp;
+ data.size = fp->length;
+
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_GET_BOTH);
+
+ if (ret == 0) {
+ ret = cursor->c_del(cursor, 0);
+ }
+
+ if (ret != 0 && ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting word: %s "
+ "(0x%016" PRIX64 ")",
+ db_strerror(ret),
+ keyid);
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+ }
+ 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;
+ }
+
+ if (!deadlock) {
+ privctx->id32db->cursor(privctx->id32db,
+ privctx->txn,
+ &cursor,
+ 0); /* flags */
+ privctx->id64db->cursor(privctx->id64db,
+ privctx->txn,
+ &cursor64,
+ 0); /* flags */
+
+ /* 32 bit short key mapping to fingerprint */
+ shortkeyid = keyid & 0xFFFFFFFF;
+
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &shortkeyid;
+ key.size = sizeof(shortkeyid);
+ data.data = fp->fp;
+ data.size = fp->length;
+
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_GET_BOTH);
+
+ if (ret == 0) {
+ ret = cursor->c_del(cursor, 0);
+ }
+
+ if (ret != 0 && ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting short keyid: %s "
+ "(0x%016" PRIX64 ")",
+ db_strerror(ret),
+ keyid);
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+
+ /* 64 bit key mapping to fingerprint */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &keyid;
+ key.size = sizeof(keyid);
+ data.data = fp->fp;
+ data.size = fp->length;
+
+ ret = cursor64->c_get(cursor64,
+ &key,
+ &data,
+ DB_GET_BOTH);
+
+ if (ret == 0) {
+ ret = cursor64->c_del(cursor64, 0);
+ }
+
+ if (ret != 0 && ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting keyid: %s "
+ "(0x%016" PRIX64 ")",
+ db_strerror(ret),
+ keyid);
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+
+ subkeyids = keysubkeys(publickey);
+ i = 0;
+ while (subkeyids != NULL && subkeyids[i].length != 0) {
+ subkeyid = fingerprint2keyid(&subkeyids[i]);
+ memset(&key, 0, sizeof(key));
+ key.data = subkeyids[i].fp;
+ key.size = subkeyids[i].length;
+ ret = privctx->subkeydb->del(privctx->subkeydb,
+ privctx->txn, &key, 0);
+ if (ret != 0 && ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting subkey id: %s "
+ "(0x%016" PRIX64 ")",
+ db_strerror(ret),
+ keyid);
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+
+ shortkeyid = subkeyid & 0xFFFFFFFF;
+
+ /* Remove 32 bit keyid -> fingerprint mapping */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &shortkeyid;
+ key.size = sizeof(shortkeyid);
+ data.data = fp->fp;
+ data.size = fp->length;
+
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_GET_BOTH);
+
+ if (ret == 0) {
+ ret = cursor->c_del(cursor, 0);
+ }
+
+ if (ret != 0 && ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting short keyid: %s "
+ "(0x%016" PRIX64 ")",
+ db_strerror(ret),
+ keyid);
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+
+ /* Remove 64 bit keyid -> fingerprint mapping */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &subkeyid;
+ key.size = sizeof(subkeyid);
+ data.data = fp->fp;
+ data.size = fp->length;
+
+ ret = cursor64->c_get(cursor64,
+ &key,
+ &data,
+ DB_GET_BOTH);
+
+ if (ret == 0) {
+ ret = cursor64->c_del(cursor64, 0);
+ }
+
+ if (ret != 0 && ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting keyid: %s "
+ "(0x%016" PRIX64 ")",
+ db_strerror(ret),
+ keyid);
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+ i++;
+ }
+ if (subkeyids != NULL) {
+ free(subkeyids);
+ subkeyids = NULL;
+ }
+ cursor64->c_close(cursor64);
+ cursor64 = NULL;
+ cursor->c_close(cursor);
+ cursor = NULL;
+ }
+
+ if (!deadlock) {
+ ret = privctx->skshashdb->cursor(privctx->skshashdb,
+ privctx->txn,
+ &cursor,
+ 0); /* flags */
+ if (ret == 0) {
+ get_skshash(publickey, &hash);
+
+ /* Remove SKS hash -> fingerprint mapping */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = hash.hash;
+ key.size = sizeof(hash.hash);
+ data.data = fp->fp;
+ data.size = fp->length;
+
+ ret = cursor->c_get(cursor,
+ &key,
+ &data,
+ DB_GET_BOTH);
+
+ if (ret == 0) {
+ ret = cursor->c_del(cursor, 0);
+ }
+
+ if (ret != 0 && ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem deleting skshash: %s "
+ "(0x%016" PRIX64 ")",
+ db_strerror(ret),
+ keyid);
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+
+ cursor->c_close(cursor);
+ cursor = NULL;
+ }
+ }
+ free_publickey(publickey);
+ publickey = NULL;
+
+ if (!deadlock) {
+ key.data = fp->fp;
+ key.size = fp->length;
+
+ keydb_fp(privctx, fp)->del(keydb_fp(privctx, fp),
+ privctx->txn,
+ &key,
+ 0); /* flags */
+ }
+
+ if (!intrans) {
+ db4_endtrans(dbctx);
+ }
+
+ return deadlock ? (-1) : (ret == DB_NOTFOUND);
+}
+
+/**
+ * store_key - Takes a key and stores it.
+ * @publickey: A pointer to the public key to store.
+ * @intrans: If we're already in a transaction.
+ * @update: If true the key exists and should be updated.
+ *
+ * Again we just use the hex representation of the keyid as the filename
+ * to store the key to. We flatten the public key to a list of OpenPGP
+ * packets and then use write_openpgp_stream() to write the stream out to
+ * the file. If update is true then we delete the old key first, otherwise
+ * we trust that it doesn't exist.
+ */
+static int db4_store_key(struct onak_dbctx *dbctx,
+ struct openpgp_publickey *publickey, bool intrans,
+ bool update)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ struct openpgp_packet_list *packets = NULL;
+ struct openpgp_packet_list *list_end = NULL;
+ struct openpgp_publickey *next = NULL;
+ int ret = 0;
+ int i = 0;
+ struct buffer_ctx storebuf;
+ DBT key;
+ DBT data;
+ uint64_t keyid = 0;
+ uint32_t shortkeyid = 0;
+ struct openpgp_fingerprint *subkeyids = NULL;
+ char **uids = NULL;
+ char *primary = NULL;
+ struct ll *wordlist = NULL;
+ struct ll *curword = NULL;
+ bool deadlock = false;
+ struct skshash hash;
+ struct openpgp_fingerprint fingerprint;
+
+ if (get_keyid(publickey, &keyid) != ONAK_E_OK) {
+ logthing(LOGTHING_ERROR, "Couldn't find key ID for key.");
+ return 0;
+ }
+
+ if (get_fingerprint(publickey->publickey, &fingerprint) != ONAK_E_OK) {
+ logthing(LOGTHING_ERROR, "Couldn't find fingerprint for key.");
+ return 0;
+ }
+
+ if (!intrans) {
+ db4_starttrans(dbctx);
+ }
+
+ /*
+ * Delete the key if we already have it.
+ *
+ * TODO: Can we optimize this perhaps? Possibly when other data is
+ * involved as well? I suspect this is easiest and doesn't make a lot
+ * of difference though - the largest chunk of data is the keydata and
+ * it definitely needs updated.
+ */
+ if (update) {
+ deadlock = (db4_delete_key(dbctx, &fingerprint, true) == -1);
+ }
+
+ /*
+ * Convert the key to a flat set of binary data.
+ */
+ if (!deadlock) {
+ next = publickey->next;
+ publickey->next = NULL;
+ flatten_publickey(publickey, &packets, &list_end);
+ publickey->next = next;
+
+ storebuf.offset = 0;
+ storebuf.size = 8192;
+ storebuf.buffer = malloc(8192);
+
+ write_openpgp_stream(buffer_putchar, &storebuf, packets);
+
+ /*
+ * Now we have the key data store it in the DB; the fingerprint
+ * is the key.
+ */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = fingerprint.fp;
+ key.size = fingerprint.length;
+ data.size = storebuf.offset;
+ data.data = storebuf.buffer;
+
+ ret = keydb_fp(privctx, &fingerprint)->put(
+ keydb_fp(privctx, &fingerprint),
+ privctx->txn,
+ &key,
+ &data,
+ 0); /* flags*/
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem storing key: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+
+ free(storebuf.buffer);
+ storebuf.buffer = NULL;
+ storebuf.size = 0;
+ storebuf.offset = 0;
+
+ free_packet_list(packets);
+ packets = NULL;
+ }
+
+ /*
+ * Walk through our uids storing the words into the db with the
+ * fingerprint.
+ */
+ if (!deadlock) {
+ uids = keyuids(publickey, &primary);
+ }
+ if (uids != NULL) {
+ for (i = 0; ret == 0 && uids[i] != NULL; i++) {
+ wordlist = makewordlist(wordlist, uids[i]);
+ }
+
+ 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 = fingerprint.fp;
+ data.size = fingerprint.length;
+
+ ret = privctx->worddb->put(privctx->worddb,
+ privctx->txn,
+ &key,
+ &data,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem storing word: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+ }
+
+ /*
+ * 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;
+ }
+
+ /*
+ * Write the truncated 32 bit keyid so we can lookup the fingerprint
+ * for queries.
+ */
+ if (!deadlock) {
+ shortkeyid = keyid & 0xFFFFFFFF;
+
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &shortkeyid;
+ key.size = sizeof(shortkeyid);
+ data.data = fingerprint.fp;
+ data.size = fingerprint.length;
+
+ ret = privctx->id32db->put(privctx->id32db,
+ privctx->txn,
+ &key,
+ &data,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem storing short keyid: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+ }
+
+ /*
+ * Write the 64 bit keyid so we can lookup the fingerprint for
+ * queries.
+ */
+ if (!deadlock) {
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &keyid;
+ key.size = sizeof(keyid);
+ data.data = fingerprint.fp;
+ data.size = fingerprint.length;
+
+ ret = privctx->id64db->put(privctx->id64db,
+ privctx->txn,
+ &key,
+ &data,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem storing keyid: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+ }
+
+ if (!deadlock) {
+ subkeyids = keysubkeys(publickey);
+ i = 0;
+ while (subkeyids != NULL && subkeyids[i].length != 0) {
+ /* Store the subkey ID -> main key fp mapping */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = subkeyids[i].fp;
+ key.size = subkeyids[i].length;
+ data.data = fingerprint.fp;
+ data.size = fingerprint.length;
+
+ ret = privctx->subkeydb->put(privctx->subkeydb,
+ privctx->txn,
+ &key,
+ &data,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem storing subkey keyid: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+
+ /* Store the 64 bit subkey ID -> main key fp mapping */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+
+ keyid = fingerprint2keyid(&subkeyids[i]);
+ key.data = &keyid;
+ key.size = sizeof(keyid);
+ data.data = fingerprint.fp;
+ data.size = fingerprint.length;
+
+ ret = privctx->id64db->put(privctx->id64db,
+ privctx->txn,
+ &key,
+ &data,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem storing keyid: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+
+ /* Store the short subkey ID -> main key fp mapping */
+ shortkeyid = keyid & 0xFFFFFFFF;
+
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = &shortkeyid;
+ key.size = sizeof(shortkeyid);
+ data.data = fingerprint.fp;
+ data.size = fingerprint.length;
+
+ ret = privctx->id32db->put(privctx->id32db,
+ privctx->txn,
+ &key,
+ &data,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem storing short keyid: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+ i++;
+ }
+ if (subkeyids != NULL) {
+ free(subkeyids);
+ subkeyids = NULL;
+ }
+ }
+
+ if (!deadlock) {
+ get_skshash(publickey, &hash);
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = hash.hash;
+ key.size = sizeof(hash.hash);
+ data.data = fingerprint.fp;
+ data.size = fingerprint.length;
+
+ ret = privctx->skshashdb->put(privctx->skshashdb,
+ privctx->txn,
+ &key,
+ &data,
+ 0);
+ if (ret != 0) {
+ logthing(LOGTHING_ERROR,
+ "Problem storing SKS hash: %s",
+ db_strerror(ret));
+ if (ret == DB_LOCK_DEADLOCK) {
+ deadlock = true;
+ }
+ }
+ }
+
+ if (!intrans) {
+ db4_endtrans(dbctx);
+ }
+
+ return deadlock ? -1 : 0 ;
+}
+
+/**
+ * iterate_keys - call a function once for each key in the db.
+ * @iterfunc: The function to call.
+ * @ctx: A context pointer
+ *
+ * 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.
+ */
+static int db4_iterate_keys(struct onak_dbctx *dbctx,
+ void (*iterfunc)(void *ctx, struct openpgp_publickey *key),
+ void *ctx)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ 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 < privctx->numdbs; i++) {
+ ret = privctx->dbconns[i]->cursor(privctx->dbconns[i],
+ NULL,
+ &cursor,
+ 0); /* flags */
+
+ if (ret != 0) {
+ continue;
+ }
+
+ 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, &dbkey, &data,
+ DB_NEXT);
+ numkeys++;
+ }
+ if (ret != DB_NOTFOUND) {
+ logthing(LOGTHING_ERROR,
+ "Problem reading key: %s",
+ db_strerror(ret));
+ }
+
+ cursor->c_close(cursor);
+ cursor = NULL;
+ }
+
+ return numkeys;
+}
+
+/*
+ * Include the basic keydb routines.
+ */
+#define NEED_GETKEYSIGS 1
+#define NEED_KEYID2UID 1
+#define NEED_UPDATEKEYS 1
+#include "keydb.c"
+
+/**
+ * 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(struct onak_dbctx *dbctx)
+{
+ struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+ int i = 0;
+
+ if (privctx->dbenv != NULL) {
+ privctx->dbenv->txn_checkpoint(privctx->dbenv, 0, 0, 0);
+ if (privctx->subkeydb != NULL) {
+ privctx->subkeydb->close(privctx->subkeydb, 0);
+ privctx->subkeydb = NULL;
+ }
+ if (privctx->skshashdb != NULL) {
+ privctx->skshashdb->close(privctx->skshashdb, 0);
+ privctx->skshashdb = NULL;
+ }
+ if (privctx->id64db != NULL) {
+ privctx->id64db->close(privctx->id64db, 0);
+ privctx->id64db = NULL;
+ }
+ if (privctx->id32db != NULL) {
+ privctx->id32db->close(privctx->id32db, 0);
+ privctx->id32db = NULL;
+ }
+ if (privctx->worddb != NULL) {
+ privctx->worddb->close(privctx->worddb, 0);
+ privctx->worddb = NULL;
+ }
+ for (i = 0; i < privctx->numdbs; i++) {
+ if (privctx->dbconns[i] != NULL) {
+ privctx->dbconns[i]->close(privctx->dbconns[i],
+ 0);
+ privctx->dbconns[i] = NULL;
+ }
+ }
+ free(privctx->dbconns);
+ privctx->dbconns = NULL;
+ privctx->dbenv->close(privctx->dbenv, 0);
+ privctx->dbenv = NULL;
+ }
+
+ free(privctx);
+ dbctx->priv = NULL;
+ free(dbctx);
+}
+
+/**
+ * initdb - Initialize the key database.
+ *
+ * This function should be called before any of the other functions in
+ * this file are called in order to allow the DB to be initialized ready
+ * for access.
+ */
+struct onak_dbctx *keydb_db4_init(struct onak_db_config *dbcfg, bool readonly)
+{
+ char buf[1024];
+ FILE *numdb = NULL;
+ int ret = 0;
+ int i = 0;
+ uint32_t flags = 0;
+ struct stat statbuf;
+ int maxlocks;
+ struct onak_dbctx *dbctx;
+ struct onak_db4_dbctx *privctx;
+
+ dbctx = malloc(sizeof(*dbctx));
+ if (dbctx == NULL) {
+ return NULL;
+ }
+ dbctx->config = dbcfg;
+ dbctx->priv = privctx = calloc(1, sizeof(*privctx));
+ if (privctx == NULL) {
+ free(dbctx);
+ return NULL;
+ }
+
+ /* Default to 16 key data DBs */
+ privctx->numdbs = 16;
+
+ snprintf(buf, sizeof(buf) - 1, "%s/%s", dbcfg->location,
+ DB4_UPGRADE_FILE);
+ ret = stat(buf, &statbuf);
+ while ((ret == 0) || (errno != ENOENT)) {
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL, "Couldn't stat upgrade "
+ "lock file: %s (%d)", strerror(errno), ret);
+ exit(1);
+ }
+ logthing(LOGTHING_DEBUG, "DB4 upgrade in progress; waiting.");
+ sleep(5);
+ ret = stat(buf, &statbuf);
+ }
+ ret = 0;
+
+ snprintf(buf, sizeof(buf) - 1, "%s/num_keydb", dbcfg->location);
+ numdb = fopen(buf, "r");
+ if (numdb != NULL) {
+ if (fgets(buf, sizeof(buf), numdb) != NULL) {
+ privctx->numdbs = atoi(buf);
+ }
+ fclose(numdb);
+ } else if (!readonly) {
+ logthing(LOGTHING_ERROR, "Couldn't open num_keydb: %s",
+ strerror(errno));
+ numdb = fopen(buf, "w");
+ if (numdb != NULL) {
+ fprintf(numdb, "%d", privctx->numdbs);
+ fclose(numdb);
+ } else {
+ logthing(LOGTHING_ERROR,
+ "Couldn't write num_keydb: %s",
+ strerror(errno));
+ }
+ }
+
+ privctx->dbconns = calloc(privctx->numdbs, sizeof (DB *));
+ if (privctx->dbconns == NULL) {
+ logthing(LOGTHING_CRITICAL,
+ "Couldn't allocate memory for dbconns");
+ ret = 1;
+ }
+
+ if (ret == 0) {
+ ret = db_env_create(&privctx->dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "db_env_create: %s", db_strerror(ret));
+ }
+ }
+
+ /*
+ * Up the number of locks we're allowed at once. We base this on
+ * the maximum number of keys we're going to return.
+ */
+ if (ret == 0) {
+ maxlocks = config.maxkeys * 16;
+ if (maxlocks < 1000) {
+ maxlocks = 1000;
+ }
+ privctx->dbenv->set_lk_max_locks(privctx->dbenv, maxlocks);
+ privctx->dbenv->set_lk_max_objects(privctx->dbenv, maxlocks);
+ }
+
+ /*
+ * Enable deadlock detection so that we don't block indefinitely on
+ * 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.
+ */
+ if (ret == 0) {
+ privctx->dbenv->set_errcall(privctx->dbenv, &db4_errfunc);
+ ret = privctx->dbenv->set_lk_detect(privctx->dbenv, DB_LOCK_DEFAULT);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "db_env_create: %s", db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = privctx->dbenv->open(privctx->dbenv, dbcfg->location,
+ DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK |
+ DB_INIT_TXN |
+ DB_CREATE,
+ 0);
+#ifdef DB_VERSION_MISMATCH
+ if (ret == DB_VERSION_MISMATCH) {
+ privctx->dbenv->close(privctx->dbenv, 0);
+ privctx->dbenv = NULL;
+ ret = db4_upgradedb(dbctx);
+ if (ret == 0) {
+ ret = db_env_create(&privctx->dbenv, 0);
+ }
+ if (ret == 0) {
+ privctx->dbenv->set_errcall(privctx->dbenv,
+ &db4_errfunc);
+ privctx->dbenv->set_lk_detect(privctx->dbenv,
+ DB_LOCK_DEFAULT);
+ ret = privctx->dbenv->open(privctx->dbenv,
+ dbcfg->location,
+ DB_INIT_LOG | DB_INIT_MPOOL |
+ DB_INIT_LOCK | DB_INIT_TXN |
+ DB_CREATE | DB_RECOVER,
+ 0);
+
+ if (ret == 0) {
+ privctx->dbenv->txn_checkpoint(
+ privctx->dbenv,
+ 0,
+ 0,
+ DB_FORCE);
+ }
+ }
+ }
+#endif
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening db environment: %s (%s)",
+ dbcfg->location,
+ db_strerror(ret));
+ if (privctx->dbenv != NULL) {
+ privctx->dbenv->close(privctx->dbenv, 0);
+ privctx->dbenv = NULL;
+ }
+ }
+ }
+
+ if (ret == 0) {
+ db4_starttrans(dbctx);
+
+ for (i = 0; !ret && i < privctx->numdbs; i++) {
+ ret = db_create(&privctx->dbconns[i],
+ privctx->dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "db_create: %s", db_strerror(ret));
+ }
+
+ if (ret == 0) {
+ snprintf(buf, 1023, "keydb.%d.db", i);
+ flags = DB_CREATE;
+ if (readonly) {
+ flags = DB_RDONLY;
+ }
+ ret = privctx->dbconns[i]->open(
+ privctx->dbconns[i],
+ privctx->txn,
+ buf,
+ "keydb",
+ DB_HASH,
+ flags,
+ 0664);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening key database:"
+ " %s (%s)",
+ buf,
+ db_strerror(ret));
+ }
+ }
+ }
+ }
+
+ if (ret == 0) {
+ ret = db_create(&privctx->worddb, privctx->dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL, "db_create: %s",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = privctx->worddb->set_flags(privctx->worddb, DB_DUP);
+ }
+
+ if (ret == 0) {
+ ret = privctx->worddb->open(privctx->worddb, privctx->txn,
+ "worddb", "worddb", DB_BTREE,
+ flags,
+ 0664);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening word database: %s (%s)",
+ "worddb",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = db_create(&privctx->id32db, privctx->dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL, "db_create: %s",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = privctx->id32db->set_flags(privctx->id32db, DB_DUP);
+ }
+
+ if (ret == 0) {
+ ret = privctx->id32db->open(privctx->id32db, privctx->txn,
+ "id32db", "id32db", DB_HASH,
+ flags,
+ 0664);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening id32 database: %s (%s)",
+ "id32db",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = db_create(&privctx->id64db, privctx->dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL, "db_create: %s",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = privctx->id64db->set_flags(privctx->id64db, DB_DUP);
+ }
+
+ if (ret == 0) {
+ ret = privctx->id64db->open(privctx->id64db, privctx->txn,
+ "id64db", "id64db", DB_HASH,
+ flags,
+ 0664);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening id64 database: %s (%s)",
+ "id64db",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = db_create(&privctx->skshashdb, privctx->dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL, "db_create: %s",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = privctx->skshashdb->open(privctx->skshashdb, privctx->txn,
+ "skshashdb",
+ "skshashdb", DB_HASH,
+ flags,
+ 0664);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening skshash database: %s (%s)",
+ "skshashdb",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = db_create(&privctx->subkeydb, privctx->dbenv, 0);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL, "db_create: %s",
+ db_strerror(ret));
+ }
+ }
+
+ if (ret == 0) {
+ ret = privctx->subkeydb->open(privctx->subkeydb, privctx->txn,
+ "subkeydb", "subkeydb",
+ DB_HASH,
+ flags,
+ 0664);
+ if (ret != 0) {
+ logthing(LOGTHING_CRITICAL,
+ "Error opening subkey database: %s (%s)",
+ "subkeydb",
+ db_strerror(ret));
+ }
+ }
+
+ if (privctx->txn != NULL) {
+ db4_endtrans(dbctx);
+ }
+
+ if (ret != 0) {
+ db4_cleanupdb(dbctx);
+ logthing(LOGTHING_CRITICAL,
+ "Error opening database; exiting");
+ exit(EXIT_FAILURE);
+ }
+
+ dbctx->cleanupdb = db4_cleanupdb;
+ dbctx->starttrans = db4_starttrans;
+ dbctx->endtrans = db4_endtrans;
+ dbctx->fetch_key_id = db4_fetch_key_id;
+ dbctx->fetch_key_fp = db4_fetch_key_fp;
+ dbctx->fetch_key_text = db4_fetch_key_text;
+ dbctx->fetch_key_skshash = db4_fetch_key_skshash;
+ dbctx->store_key = db4_store_key;
+ dbctx->update_keys = generic_update_keys;
+ dbctx->delete_key = db4_delete_key;
+ dbctx->getkeysigs = generic_getkeysigs;
+ dbctx->cached_getkeysigs = generic_cached_getkeysigs;
+ dbctx->keyid2uid = generic_keyid2uid;
+ dbctx->iterate_keys = db4_iterate_keys;
+
+ return dbctx;
+}