]> the.earth.li Git - onak.git/blobdiff - keydb_db4.c
Add ability to drop overly large packets
[onak.git] / keydb_db4.c
index 802903caed6b8c373ab0ece3843494c19ebb74e5..f3d20dbcafd3ff8521981b455a05c110418f8dec 100644 (file)
@@ -13,8 +13,7 @@
  * more details.
  *
  * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <sys/types.h>
@@ -23,6 +22,8 @@
 #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 "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"
 
-/**
- *     dbenv - our database environment.
- */
-static DB_ENV *dbenv = NULL;
-
-/**
- *     numdb - The number of database files we have.
- */
-static int numdbs = 16;
-
-/**
- *     dbconn - our connections to the key database files.
- */
-static DB **dbconns = NULL;
-
-/**
- *     worddb - our connection to the word database.
- */
-static DB *worddb = NULL;
+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 */
+};
 
-/**
- *     id32db - our connection to the 32bit ID database.
- */
-static DB *id32db = NULL;
+DB *keydb_id(struct onak_db4_dbctx *privctx, uint64_t keyid)
+{
+       uint64_t keytrun;
 
-/**
- *     skshashdb - our connection to the SKS hash database.
- */
-static DB *skshashdb = NULL;
+       keytrun = keyid >> 8;
 
-/**
- *     txn - our current transaction id.
- */
-static DB_TXN *txn = NULL;
+       return(privctx->dbconns[keytrun % privctx->numdbs]);
+}
 
-DB *keydb(uint64_t keyid)
+DB *keydb_fp(struct onak_db4_dbctx *privctx, struct openpgp_fingerprint *fp)
 {
        uint64_t keytrun;
 
-       keytrun = keyid >> 8;
+       keytrun = (fp->fp[4] << 24) |
+                       (fp->fp[5] << 16) |
+                       (fp->fp[6] <<  8) |
+                       (fp->fp[7]);
 
-       return(dbconns[keytrun % numdbs]);
+       return(privctx->dbconns[keytrun % privctx->numdbs]);
 }
 
 /**
@@ -117,16 +109,17 @@ static void db4_errfunc(const DB_ENV *edbenv, const char *errpfx,
  *     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)
+static bool db4_starttrans(struct onak_dbctx *dbctx)
 {
+       struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
        int ret;
 
-       log_assert(dbenv != NULL);
-       log_assert(txn == NULL);
+       log_assert(privctx->dbenv != NULL);
+       log_assert(privctx->txn == NULL);
 
-       ret = dbenv->txn_begin(dbenv,
+       ret = privctx->dbenv->txn_begin(privctx->dbenv,
                NULL, /* No parent transaction */
-               &txn,
+               &privctx->txn,
                0);
        if (ret != 0) {
                logthing(LOGTHING_CRITICAL,
@@ -143,14 +136,15 @@ static bool db4_starttrans(void)
  *
  *     Ends a transaction.
  */
-static void db4_endtrans(void)
+static void db4_endtrans(struct onak_dbctx *dbctx)
 {
+       struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
        int ret;
 
-       log_assert(dbenv != NULL);
-       log_assert(txn != NULL);
+       log_assert(privctx->dbenv != NULL);
+       log_assert(privctx->txn != NULL);
 
-       ret = txn->commit(txn,
+       ret = privctx->txn->commit(privctx->txn,
                0);
        if (ret != 0) {
                logthing(LOGTHING_CRITICAL,
@@ -158,48 +152,11 @@ static void db4_endtrans(void)
                                db_strerror(ret));
                exit(1);
        }
-       txn = NULL;
+       privctx->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 (skshashdb != NULL) {
-                       skshashdb->close(skshashdb, 0);
-                       skshashdb = NULL;
-               }
-               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;
-       }
-}
-
 /**
  *     db4_upgradedb - Upgrade a DB4 database
  *
@@ -207,16 +164,18 @@ static void db4_cleanupdb(void)
  *     we're running with a newer version of db4 than the database was
  *     created with.
  */
-static int db4_upgradedb(int numdb)
+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", config.db_dir,
+       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) {
@@ -230,21 +189,31 @@ static int db4_upgradedb(int numdb)
                }
        }
        snprintf(buf, sizeof(buf) - 1, "%d", getpid());
-       write(lockfile_fd, buf, strlen(buf));
+       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(&dbenv, 0);
-       dbenv->set_errcall(dbenv, &db4_errfunc);
-       dbenv->remove(dbenv, config.db_dir, 0);
-       dbenv = NULL;
-       for (i = 0; i < numdb; i++) {
+       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",
-                               config.db_dir, i);
+                               dbctx->config->location, i);
                        logthing(LOGTHING_DEBUG, "Upgrading %s", buf);
-                       ret = curdb->upgrade(curdb, buf, 0);
+                       curdb->upgrade(curdb, buf, 0);
                        curdb->close(curdb, 0);
                } else {
                        logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
@@ -255,9 +224,33 @@ static int db4_upgradedb(int numdb)
 
        ret = db_create(&curdb, NULL, 0);
        if (ret == 0) {
-               snprintf(buf, sizeof(buf) - 1, "%s/worddb", config.db_dir);
+               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);
-               ret = curdb->upgrade(curdb, buf, 0);
+               curdb->upgrade(curdb, buf, 0);
                curdb->close(curdb, 0);
        } else {
                logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
@@ -267,9 +260,9 @@ static int db4_upgradedb(int numdb)
 
        ret = db_create(&curdb, NULL, 0);
        if (ret == 0) {
-               snprintf(buf, sizeof(buf) - 1, "%s/id32db", config.db_dir);
+               snprintf(buf, sizeof(buf) - 1, "%s/skshashdb", dbctx->config->location);
                logthing(LOGTHING_DEBUG, "Upgrading %s", buf);
-               ret = curdb->upgrade(curdb, buf, 0);
+               curdb->upgrade(curdb, buf, 0);
                curdb->close(curdb, 0);
        } else {
                logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
@@ -279,9 +272,9 @@ static int db4_upgradedb(int numdb)
 
        ret = db_create(&curdb, NULL, 0);
        if (ret == 0) {
-               snprintf(buf, sizeof(buf) - 1, "%s/skshashdb", config.db_dir);
+               snprintf(buf, sizeof(buf) - 1, "%s/subkeydb", dbctx->config->location);
                logthing(LOGTHING_DEBUG, "Upgrading %s", buf);
-               ret = curdb->upgrade(curdb, buf, 0);
+               curdb->upgrade(curdb, buf, 0);
                curdb->close(curdb, 0);
        } else {
                logthing(LOGTHING_ERROR, "Error upgrading DB %s : %s",
@@ -289,7 +282,7 @@ static int db4_upgradedb(int numdb)
                        db_strerror(ret));
        }
 
-       snprintf(buf, sizeof(buf) - 1, "%s/%s", config.db_dir,
+       snprintf(buf, sizeof(buf) - 1, "%s/%s", dbctx->config->location,
                        DB4_UPGRADE_FILE);
        unlink(buf);
 
@@ -297,309 +290,164 @@ static int db4_upgradedb(int numdb)
 }
 
 /**
- *     initdb - Initialize the key database.
+ *     getfullkeyid - Maps a 32bit key id to a 64bit one.
+ *     @keyid: The 32bit keyid.
  *
- *     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.
+ *     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.
  */
-static void db4_initdb(bool readonly)
+static uint64_t db4_getfullkeyid(struct onak_dbctx *dbctx, uint64_t keyid)
 {
-       char       buf[1024];
-       FILE      *numdb = NULL;
-       int        ret = 0;
-       int        i = 0;
-       uint32_t   flags = 0;
-       struct stat statbuf;
-       int        maxlocks;
-
-       snprintf(buf, sizeof(buf) - 1, "%s/%s", config.db_dir,
-                       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", config.db_dir);
-       numdb = fopen(buf, "r");
-       if (numdb != NULL) {
-               if (fgets(buf, sizeof(buf), numdb) != NULL) {
-                       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", numdbs);
-                       fclose(numdb);
-               } else {
-                       logthing(LOGTHING_ERROR,
-                               "Couldn't write num_keydb: %s",
-                               strerror(errno));
-               }
-       }
+       struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
+       DBT       key, data;
+       DBC      *cursor = NULL;
+       uint32_t  shortkeyid = 0;
+       int       ret = 0;
+       int       i;
 
-       dbconns = calloc(numdbs, sizeof (DB *));
-       if (dbconns == NULL) {
-               logthing(LOGTHING_CRITICAL,
-                               "Couldn't allocate memory for dbconns");
-               ret = 1;
-       }
+       if (keyid < 0x100000000LL) {
+               ret = privctx->id32db->cursor(privctx->id32db,
+                               privctx->txn,
+                               &cursor,
+                               0);   /* flags */
 
-       if (ret == 0) {
-               ret = db_env_create(&dbenv, 0);
                if (ret != 0) {
-                       logthing(LOGTHING_CRITICAL,
-                               "db_env_create: %s", db_strerror(ret));
+                       return 0;
                }
-       }
 
-       /*
-        * Up the number of locks we're allowed at once. We base this on
-        * the maximum number of keys we're going to return.
-        */
-       maxlocks = config.maxkeys * 16;
-       if (maxlocks < 1000) {
-               maxlocks = 1000;
-       }
-       dbenv->set_lk_max_locks(dbenv, maxlocks);
-       dbenv->set_lk_max_objects(dbenv, maxlocks);
+               shortkeyid = keyid & 0xFFFFFFFF;
 
-       /*
-        * 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) {
-               dbenv->set_errcall(dbenv, &db4_errfunc);
-               ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT);
-               if (ret != 0) {
-                       logthing(LOGTHING_CRITICAL,
-                               "db_env_create: %s", db_strerror(ret));
-               }
-       }
+               memset(&key, 0, sizeof(key));
+               memset(&data, 0, sizeof(data));
+               key.data = &shortkeyid;
+               key.size = sizeof(shortkeyid);
+               data.flags = DB_DBT_MALLOC;
 
-       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);
-#ifdef DB_VERSION_MISMATCH
-               if (ret == DB_VERSION_MISMATCH) {
-                       dbenv->close(dbenv, 0);
-                       dbenv = NULL;
-                       ret = db4_upgradedb(numdbs);
-                       if (ret == 0) {
-                               ret = db_env_create(&dbenv, 0);
-                       }
-                       if (ret == 0) {
-                               dbenv->set_errcall(dbenv, &db4_errfunc);
-                               dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT);
-                               ret = dbenv->open(dbenv, config.db_dir,
-                                       DB_INIT_LOG | DB_INIT_MPOOL |
-                                       DB_INIT_LOCK | DB_INIT_TXN |
-                                       DB_CREATE | DB_RECOVER,
-                                       0);
+               ret = cursor->c_get(cursor,
+                       &key,
+                       &data,
+                       DB_SET);
 
-                               if (ret == 0) {
-                                       dbenv->txn_checkpoint(dbenv,
-                                                       0,
-                                                       0,
-                                                       DB_FORCE);
+               if (ret == 0) {
+                       if (data.size == 8) {
+                               keyid = * (uint64_t *) data.data;
+                       } else {
+                               keyid = 0;
+                               for (i = 12; i < 20; i++) {
+                                       keyid <<= 8;
+                                       keyid |= ((uint8_t *) data.data)[i];
                                }
                        }
-               }
-#endif
-               if (ret != 0) {
-                       logthing(LOGTHING_CRITICAL,
-                                       "Error opening db environment: %s (%s)",
-                                       config.db_dir,
-                                       db_strerror(ret));
-                       dbenv->close(dbenv, 0);
-                       dbenv = NULL;
-               }
-       }
-
-       if (ret == 0) {
-               db4_starttrans();
-
-               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));
-                       }
 
-                       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));
-                               }
+                       if (data.data != NULL) {
+                               free(data.data);
+                               data.data = NULL;
                        }
                }
 
+               cursor->c_close(cursor);
+               cursor = NULL;
        }
 
-       if (ret == 0) {
-               ret = db_create(&worddb, dbenv, 0);
-               if (ret != 0) {
-                       logthing(LOGTHING_CRITICAL, "db_create: %s",
-                                       db_strerror(ret));
-               }
-       }
+       return keyid;
+}
 
-       if (ret == 0) {
-               ret = worddb->set_flags(worddb, DB_DUP);
-       }
+/**
+ *     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;
 
-       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));
-               }
-       }
+       memset(&key, 0, sizeof(key));
+       memset(&data, 0, sizeof(data));
 
-       if (ret == 0) {
-               ret = db_create(&id32db, dbenv, 0);
-               if (ret != 0) {
-                       logthing(LOGTHING_CRITICAL, "db_create: %s",
-                                       db_strerror(ret));
-               }
-       }
+       data.size = 0;
+       data.data = NULL;
 
-       if (ret == 0) {
-               ret = id32db->set_flags(id32db, DB_DUP);
+       key.size = fingerprint->length;
+       key.data = fingerprint->fp;
+
+       if (!intrans) {
+               db4_starttrans(dbctx);
        }
 
-       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));
-               }
-       }
-
-       if (ret == 0) {
-               ret = db_create(&skshashdb, dbenv, 0);
-               if (ret != 0) {
-                       logthing(LOGTHING_CRITICAL, "db_create: %s",
-                                       db_strerror(ret));
-               }
-       }
-
-       if (ret == 0) {
-               ret = skshashdb->open(skshashdb, txn, "skshashdb",
-                               "skshashdb", DB_HASH,
-                               flags,
-                               0664);
-               if (ret != 0) {
-                       logthing(LOGTHING_CRITICAL,
-                               "Error opening skshash database: %s (%s)",
-                               "skshashdb",
-                               db_strerror(ret));
-               }
-       }
-
-       if (txn != NULL) {
-               db4_endtrans();
-       }
-
-       if (ret != 0) {
-               db4_cleanupdb();
-               logthing(LOGTHING_CRITICAL,
-                               "Error opening database; exiting");
-               exit(EXIT_FAILURE);
-       }
-       
-       return;
-}
-
-/**
- *     getfullkeyid - Maps a 32bit key id to a 64bit one.
- *     @keyid: The 32bit keyid.
- *
- *     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.
- */
-static uint64_t db4_getfullkeyid(uint64_t keyid)
-{
-       DBT       key, data;
-       DBC      *cursor = NULL;
-       uint32_t  shortkeyid = 0;
-       int       ret = 0;
-
-       if (keyid < 0x100000000LL) {
-               ret = id32db->cursor(id32db,
-                               txn,
-                               &cursor,
-                               0);   /* flags */
-
-               shortkeyid = keyid & 0xFFFFFFFF;
+       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));
-               key.data = &shortkeyid;
-               key.size = sizeof(shortkeyid);
-               data.flags = DB_DBT_MALLOC;
-
-               ret = cursor->c_get(cursor,
+               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,
-                       DB_SET);
+                       0); /* flags*/
 
                if (ret == 0) {
-                       keyid = *(uint64_t *) data.data;
+                       /* We got a subkey match; retrieve the actual key */
+                       memset(&key, 0, sizeof(key));
+                       key.size = subfp.length = data.size;
+                       key.data = subfp.fp;
 
-                       if (data.data != NULL) {
-                               free(data.data);
-                               data.data = NULL;
-                       }
+                       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*/
                }
+       }
 
-               ret = cursor->c_close(cursor);
-               cursor = NULL;
+       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));
        }
-       
-       return keyid;
+
+       if (!intrans) {
+               db4_endtrans(dbctx);
+       }
+
+       return (numkeys);
 }
 
 /**
- *     fetch_key - Given a keyid fetch the key from storage.
+ *     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.
@@ -610,17 +458,20 @@ static uint64_t db4_getfullkeyid(uint64_t keyid)
  *     in and then parse_keys() to parse the packets into a publickey
  *     structure.
  */
-static int db4_fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
+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;
        struct openpgp_packet_list *packets = NULL;
        DBT key, data;
        int ret = 0;
        int numkeys = 0;
        struct buffer_ctx fetchbuf;
+       struct openpgp_fingerprint fingerprint;
 
        if (keyid < 0x100000000LL) {
-               keyid = db4_getfullkeyid(keyid);
+               keyid = db4_getfullkeyid(dbctx, keyid);
        }
 
        memset(&key, 0, sizeof(key));
@@ -633,15 +484,53 @@ static int db4_fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
        key.data = &keyid;
 
        if (!intrans) {
-               db4_starttrans();
+               db4_starttrans(dbctx);
        }
 
-       ret = keydb(keyid)->get(keydb(keyid),
-                       txn,
+       /*
+        * First we try a legacy stored key where we used the 64 bit key ID
+        * as the DB key.
+        */
+       ret = keydb_id(privctx, keyid)->get(keydb_id(privctx, keyid),
+                       privctx->txn,
+                       &key,
+                       &data,
+                       0); /* flags*/
+
+       if (ret == DB_NOTFOUND) {
+               /* If we didn't find the key ID try the 64 bit map DB */
+               memset(&key, 0, sizeof(key));
+               memset(&data, 0, sizeof(data));
+               data.ulen = MAX_FINGERPRINT_LEN;
+               data.data = fingerprint.fp;
+               data.flags = DB_DBT_USERMEM;
+               key.size = sizeof(keyid);
+               key.data = &keyid;
+
+               ret = privctx->id64db->get(privctx->id64db,
+                       privctx->txn,
                        &key,
                        &data,
                        0); /* flags*/
-       
+
+               if (ret == 0) {
+                       /* We got a match; retrieve the actual key */
+                       fingerprint.length = data.size;
+
+                       memset(&key, 0, sizeof(key));
+                       memset(&data, 0, sizeof(data));
+                       key.size = fingerprint.length;
+                       key.data = fingerprint.fp;
+
+                       ret = keydb_fp(privctx, &fingerprint)->get(
+                               keydb_fp(privctx, &fingerprint),
+                               privctx->txn,
+                               &key,
+                               &data,
+                               0); /* flags*/
+               }
+       }
+
        if (ret == 0) {
                fetchbuf.buffer = data.data;
                fetchbuf.offset = 0;
@@ -659,12 +548,13 @@ static int db4_fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
        }
 
        if (!intrans) {
-               db4_endtrans();
+               db4_endtrans(dbctx);
        }
 
        return (numkeys);
 }
 
+
 int worddb_cmp(const void *d1, const void *d2)
 {
        return memcmp(d1, d2, 12);
@@ -678,9 +568,10 @@ int worddb_cmp(const void *d1, const void *d2)
  *     This function searches for the supplied text and returns the keys that
  *     contain it.
  */
-static int db4_fetch_key_text(const char *search,
+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;
@@ -693,19 +584,25 @@ static int db4_fetch_key_text(const char *search,
        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();
+               db4_starttrans(dbctx);
 
-               ret = worddb->cursor(worddb,
-                               txn,
+               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;
@@ -718,11 +615,17 @@ static int db4_fetch_key_text(const char *search,
                while (ret == 0 && strncmp(key.data, curword->object,
                                        key.size) == 0 &&
                                ((char *) curword->object)[key.size] == 0) {
-                       keyid = 0;
-                       for (i = 4; i < 12; i++) {
-                               keyid <<= 8;
-                               keyid += ((unsigned char *)
-                                               data.data)[i];
+                       if (data.size == 12) {
+                               /* Old style creation + key id */
+                               fingerprint.length = 8;
+                               for (i = 4; i < 12; i++) {
+                                       fingerprint.fp[i - 4] =
+                                               ((unsigned char *)
+                                                       data.data)[i];
+                               }
+                       } else {
+                               fingerprint.length = data.size;
+                               memcpy(fingerprint.fp, data.data, data.size);
                        }
 
                        /*
@@ -730,8 +633,8 @@ static int db4_fetch_key_text(const char *search,
                         * our first pass (ie we have no existing key list),
                         * or the key contained a previous word.
                         */
-                       if (firstpass || array_find(&keylist, keyid)) {
-                               array_add(&newkeylist, keyid);
+                       if (firstpass || array_find(&keylist, &fingerprint)) {
+                               array_add(&newkeylist, &fingerprint);
                        }
 
                        free(data.data);
@@ -743,17 +646,19 @@ static int db4_fetch_key_text(const char *search,
                                        DB_NEXT);
                }
                array_free(&keylist);
-               keylist = newkeylist;
+               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;
                }
-               ret = cursor->c_close(cursor);
+               cursor->c_close(cursor);
                cursor = NULL;
                firstpass = 0;
-               db4_endtrans();
+               db4_endtrans(dbctx);
        }
        llfree(wordlist, NULL);
        wordlist = NULL;
@@ -761,35 +666,54 @@ static int db4_fetch_key_text(const char *search,
        if (keylist.count > config.maxkeys) {
                keylist.count = config.maxkeys;
        }
-       
-       db4_starttrans();
+
+       db4_starttrans(dbctx);
        for (i = 0; i < keylist.count; i++) {
-               numkeys += db4_fetch_key(keylist.keys[i],
-                       publickey,
-                       true);
+               if (keylist.keys[i].length == 8) {
+                       keyid = 0;
+                       for (int j = 0; j < 8; j++) {
+                               keyid <<= 8;
+                               keyid |= keylist.keys[i].fp[j];
+                       }
+                       numkeys += db4_fetch_key_id(dbctx, keyid,
+                               publickey,
+                               true);
+               } else {
+                       numkeys += db4_fetch_key_fp(dbctx, &keylist.keys[i],
+                               publickey,
+                               true);
+               }
        }
        array_free(&keylist);
        free(searchtext);
        searchtext = NULL;
 
-       db4_endtrans();
-       
+       db4_endtrans(dbctx);
+
        return (numkeys);
 }
 
-static int db4_fetch_key_skshash(const struct skshash *hash,
+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;
        uint64_t  keyid = 0;
-       int       ret = 0;
+       int       ret;
+       int       count = 0;
+       struct openpgp_fingerprint fingerprint;
 
-       ret = skshashdb->cursor(skshashdb,
-                       txn,
+       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;
@@ -802,7 +726,17 @@ static int db4_fetch_key_skshash(const struct skshash *hash,
                DB_SET);
 
        if (ret == 0) {
-               keyid = *(uint64_t *) data.data;
+               if (data.size == 8) {
+                       /* Legacy key ID record */
+                       keyid = *(uint64_t *) data.data;
+                       count = db4_fetch_key_id(dbctx, keyid, publickey,
+                               false);
+               } else {
+                       fingerprint.length = data.size;
+                       memcpy(fingerprint.fp, data.data, data.size);
+                       count = db4_fetch_key_fp(dbctx, &fingerprint,
+                               publickey, false);
+               }
 
                if (data.data != NULL) {
                        free(data.data);
@@ -810,10 +744,10 @@ static int db4_fetch_key_skshash(const struct skshash *hash,
                }
        }
 
-       ret = cursor->c_close(cursor);
+       cursor->c_close(cursor);
        cursor = NULL;
 
-       return db4_fetch_key(keyid, publickey, false);
+       return count;
 }
 
 /**
@@ -824,13 +758,17 @@ static int db4_fetch_key_skshash(const struct skshash *hash,
  *     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)
+static int db4_delete_key(struct onak_dbctx *dbctx,
+               uint64_t keyid, bool intrans)
 {
+       struct onak_db4_dbctx *privctx = (struct onak_db4_dbctx *) dbctx->priv;
        struct openpgp_publickey *publickey = NULL;
        DBT key, data;
        DBC *cursor = NULL;
-       uint32_t   shortkeyid = 0;
-       uint64_t  *subkeyids = 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;
@@ -840,12 +778,20 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
        struct ll *curword  = NULL;
        bool deadlock = false;
        struct skshash hash;
+       struct openpgp_fingerprint fingerprint;
 
        if (!intrans) {
-               db4_starttrans();
+               db4_starttrans(dbctx);
+       }
+
+       if (db4_fetch_key_id(dbctx, keyid, &publickey, true) == 0) {
+               if (!intrans) {
+                       db4_endtrans(dbctx);
+               }
+               return 1;
        }
 
-       db4_fetch_key(keyid, &publickey, true);
+       get_fingerprint(publickey->publickey, &fingerprint);
 
        /*
         * Walk through the uids removing the words from the worddb.
@@ -857,9 +803,9 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                for (i = 0; ret == 0 && uids[i] != NULL; i++) {
                        wordlist = makewordlist(wordlist, uids[i]);
                }
-                               
-               ret = worddb->cursor(worddb,
-                       txn,
+
+               privctx->worddb->cursor(privctx->worddb,
+                       privctx->txn,
                        &cursor,
                        0);   /* flags */
 
@@ -873,8 +819,8 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                        data.size = sizeof(worddb_data);
 
                        /*
-                        * Our data is the key creation time followed by the
-                        * key id.
+                        * Old format word db data was the key creation time
+                        * followed by the 64 bit key id.
                         */
                        worddb_data[ 0] = publickey->publickey->data[1];
                        worddb_data[ 1] = publickey->publickey->data[2];
@@ -889,6 +835,23 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                        worddb_data[10] = (keyid >>  8) & 0xFF;
                        worddb_data[11] = keyid & 0xFF;
 
+                       ret = cursor->c_get(cursor,
+                               &key,
+                               &data,
+                               DB_GET_BOTH);
+
+                       if (ret == 0) {
+                               cursor->c_del(cursor, 0);
+                       }
+
+                       /* New style just uses the fingerprint as the data */
+                       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 = cursor->c_get(cursor,
                                &key,
                                &data,
@@ -898,7 +861,7 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                                ret = cursor->c_del(cursor, 0);
                        }
 
-                       if (ret != 0) {
+                       if (ret != 0 && ret != DB_NOTFOUND) {
                                logthing(LOGTHING_ERROR,
                                        "Problem deleting word: %s "
                                        "(0x%016" PRIX64 ")",
@@ -909,22 +872,58 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                                }
                        }
                }
-               ret = cursor->c_close(cursor);
+               cursor->c_close(cursor);
                cursor = NULL;
 
-               ret = skshashdb->cursor(skshashdb,
-                       txn,
+               /*
+                * 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 */
-               get_skshash(publickey, &hash);
+               privctx->id64db->cursor(privctx->id64db,
+                       privctx->txn,
+                       &cursor64,
+                       0);   /* flags */
+
+               shortkeyid = keyid & 0xFFFFFFFF;
 
+               /* Old style mapping to 64 bit key id */
                memset(&key, 0, sizeof(key));
                memset(&data, 0, sizeof(data));
-               key.data = hash.hash;
-               key.size = sizeof(hash.hash);
+               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) {
+                       cursor->c_del(cursor, 0);
+               }
+
+               /* New style mapping to fingerprint */
+               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 = cursor->c_get(cursor,
                        &key,
                        &data,
@@ -934,9 +933,9 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                        ret = cursor->c_del(cursor, 0);
                }
 
-               if (ret != 0) {
+               if (ret != 0 && ret != DB_NOTFOUND) {
                        logthing(LOGTHING_ERROR,
-                               "Problem deleting skshash: %s "
+                               "Problem deleting short keyid: %s "
                                "(0x%016" PRIX64 ")",
                                db_strerror(ret),
                                keyid);
@@ -945,50 +944,26 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                        }
                }
 
-               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;
-
+               /* 64 bit key mapping to fingerprint */
                memset(&key, 0, sizeof(key));
                memset(&data, 0, sizeof(data));
-               key.data = &shortkeyid;
-               key.size = sizeof(shortkeyid);
-               data.data = &keyid;
-               data.size = sizeof(keyid);
+               key.data = &keyid;
+               key.size = sizeof(keyid);
+               data.data = fingerprint.fp;
+               data.size = fingerprint.length;
 
-               ret = cursor->c_get(cursor,
+               ret = cursor64->c_get(cursor64,
                        &key,
                        &data,
                        DB_GET_BOTH);
 
                if (ret == 0) {
-                       ret = cursor->c_del(cursor, 0);
+                       ret = cursor64->c_del(cursor64, 0);
                }
 
-               if (ret != 0) {
+               if (ret != 0 && ret != DB_NOTFOUND) {
                        logthing(LOGTHING_ERROR,
-                               "Problem deleting short keyid: %s "
+                               "Problem deleting keyid: %s "
                                "(0x%016" PRIX64 ")",
                                db_strerror(ret),
                                keyid);
@@ -999,9 +974,27 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
 
                subkeyids = keysubkeys(publickey);
                i = 0;
-               while (subkeyids != NULL && subkeyids[i] != 0) {
-                       shortkeyid = subkeyids[i++] & 0xFFFFFFFF;
+               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;
+                       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 -> 64 bit keyid mapping */
                        memset(&key, 0, sizeof(key));
                        memset(&data, 0, sizeof(data));
                        key.data = &shortkeyid;
@@ -1009,6 +1002,23 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                        data.data = &keyid;
                        data.size = sizeof(keyid);
 
+                       ret = cursor->c_get(cursor,
+                               &key,
+                               &data,
+                               DB_GET_BOTH);
+
+                       if (ret == 0) {
+                               cursor->c_del(cursor, 0);
+                       }
+
+                       /* 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 = fingerprint.fp;
+                       data.size = fingerprint.length;
+
                        ret = cursor->c_get(cursor,
                                &key,
                                &data,
@@ -1018,7 +1028,7 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                                ret = cursor->c_del(cursor, 0);
                        }
 
-                       if (ret != 0) {
+                       if (ret != 0 && ret != DB_NOTFOUND) {
                                logthing(LOGTHING_ERROR,
                                        "Problem deleting short keyid: %s "
                                        "(0x%016" PRIX64 ")",
@@ -1028,28 +1038,128 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                                        deadlock = true;
                                }
                        }
-               }
-               if (subkeyids != NULL) {
-                       free(subkeyids);
-                       subkeyids = NULL;
-               }
-               ret = cursor->c_close(cursor);
-               cursor = NULL;
 
-       }
+                       /* 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 = fingerprint.fp;
+                       data.size = fingerprint.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);
+
+                       /* First delete old style keyid mapping */
+                       memset(&key, 0, sizeof(key));
+                       memset(&data, 0, sizeof(data));
+                       key.data = hash.hash;
+                       key.size = sizeof(hash.hash);
+                       data.data = &keyid;
+                       data.size = sizeof(keyid);
+
+                       ret = cursor->c_get(cursor,
+                               &key,
+                               &data,
+                               DB_GET_BOTH);
+
+                       if (ret == 0) {
+                               cursor->c_del(cursor, 0);
+                       }
+
+                       /* Then delete new style fingerprint mapping */
+                       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 = 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 = fingerprint.fp;
+               key.size = fingerprint.length;
+
+               keydb_fp(privctx, &fingerprint)->del(keydb_fp(privctx,
+                                       &fingerprint),
+                               privctx->txn,
+                               &key,
+                               0); /* flags */
+
+               /* Delete old style 64 bit keyid */
                key.data = &keyid;
                key.size = sizeof(keyid);
 
-               keydb(keyid)->del(keydb(keyid),
-                               txn,
+               keydb_id(privctx, keyid)->del(keydb_id(privctx, keyid),
+                               privctx->txn,
                                &key,
                                0); /* flags */
        }
 
        if (!intrans) {
-               db4_endtrans();
+               db4_endtrans(dbctx);
        }
 
        return deadlock ? (-1) : (ret == DB_NOTFOUND);
@@ -1067,9 +1177,11 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
  *     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 openpgp_publickey *publickey, bool intrans,
+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;
@@ -1080,19 +1192,27 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
        DBT        data;
        uint64_t   keyid = 0;
        uint32_t   shortkeyid = 0;
-       uint64_t  *subkeyids = NULL;
+       struct openpgp_fingerprint *subkeyids = NULL;
        char     **uids = NULL;
        char      *primary = NULL;
-       unsigned char worddb_data[12];
        struct ll *wordlist = NULL;
        struct ll *curword  = NULL;
        bool       deadlock = false;
        struct skshash hash;
+       struct openpgp_fingerprint fingerprint;
 
-       keyid = get_keyid(publickey);
+       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();
+               db4_starttrans(dbctx);
        }
 
        /*
@@ -1104,7 +1224,7 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
         * it definitely needs updated.
         */
        if (update) {
-               deadlock = (db4_delete_key(keyid, true) == -1);
+               deadlock = (db4_delete_key(dbctx, keyid, true) == -1);
        }
 
        /*
@@ -1116,10 +1236,10 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                flatten_publickey(publickey, &packets, &list_end);
                publickey->next = next;
 
-               storebuf.offset = 0; 
+               storebuf.offset = 0;
                storebuf.size = 8192;
                storebuf.buffer = malloc(8192);
-       
+
                write_openpgp_stream(buffer_putchar, &storebuf, packets);
 
                /*
@@ -1128,13 +1248,14 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                 */
                memset(&key, 0, sizeof(key));
                memset(&data, 0, sizeof(data));
-               key.data = &keyid;
-               key.size = sizeof(keyid);
+               key.data = fingerprint.fp;
+               key.size = fingerprint.length;
                data.size = storebuf.offset;
                data.data = storebuf.buffer;
 
-               ret = keydb(keyid)->put(keydb(keyid),
-                               txn,
+               ret = keydb_fp(privctx, &fingerprint)->put(
+                               keydb_fp(privctx, &fingerprint),
+                               privctx->txn,
                                &key,
                                &data,
                                0); /* flags*/
@@ -1150,8 +1271,8 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                free(storebuf.buffer);
                storebuf.buffer = NULL;
                storebuf.size = 0;
-               storebuf.offset = 0; 
-       
+               storebuf.offset = 0;
+
                free_packet_list(packets);
                packets = NULL;
        }
@@ -1173,27 +1294,11 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                        memset(&data, 0, sizeof(data));
                        key.data = curword->object;
                        key.size = strlen(key.data);
-                       data.data = worddb_data;
-                       data.size = sizeof(worddb_data);
+                       data.data = fingerprint.fp;
+                       data.size = fingerprint.length;
 
-                       /*
-                        * 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 = worddb->put(worddb,
-                               txn,
+                       ret = privctx->worddb->put(privctx->worddb,
+                               privctx->txn,
                                &key,
                                &data,
                                0);
@@ -1220,8 +1325,8 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
        }
 
        /*
-        * Write the truncated 32 bit keyid so we can lookup the full id for
-        * queries.
+        * Write the truncated 32 bit keyid so we can lookup the fingerprint
+        * for queries.
         */
        if (!deadlock) {
                shortkeyid = keyid & 0xFFFFFFFF;
@@ -1230,11 +1335,11 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                memset(&data, 0, sizeof(data));
                key.data = &shortkeyid;
                key.size = sizeof(shortkeyid);
-               data.data = &keyid;
-               data.size = sizeof(keyid);
+               data.data = fingerprint.fp;
+               data.size = fingerprint.length;
 
-               ret = id32db->put(id32db,
-                       txn,
+               ret = privctx->id32db->put(privctx->id32db,
+                       privctx->txn,
                        &key,
                        &data,
                        0);
@@ -1248,21 +1353,95 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                }
        }
 
+       /*
+        * 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] != 0) {
-                       shortkeyid = subkeyids[i++] & 0xFFFFFFFF;
+               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 = &keyid;
-                       data.size = sizeof(keyid);
+                       data.data = fingerprint.fp;
+                       data.size = fingerprint.length;
 
-                       ret = id32db->put(id32db,
-                               txn,
+                       ret = privctx->id32db->put(privctx->id32db,
+                               privctx->txn,
                                &key,
                                &data,
                                0);
@@ -1274,6 +1453,7 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                                        deadlock = true;
                                }
                        }
+                       i++;
                }
                if (subkeyids != NULL) {
                        free(subkeyids);
@@ -1287,11 +1467,11 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                memset(&data, 0, sizeof(data));
                key.data = hash.hash;
                key.size = sizeof(hash.hash);
-               data.data = &keyid;
-               data.size = sizeof(keyid);
+               data.data = fingerprint.fp;
+               data.size = fingerprint.length;
 
-               ret = skshashdb->put(skshashdb,
-                       txn,
+               ret = privctx->skshashdb->put(privctx->skshashdb,
+                       privctx->txn,
                        &key,
                        &data,
                        0);
@@ -1306,7 +1486,7 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
        }
 
        if (!intrans) {
-               db4_endtrans();
+               db4_endtrans(dbctx);
        }
 
        return deadlock ? -1 : 0 ;
@@ -1323,9 +1503,11 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
  *
  *     Returns the number of keys we iterated over.
  */
-static int db4_iterate_keys(void (*iterfunc)(void *ctx,
-               struct openpgp_publickey *key), void *ctx)
+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;
@@ -1335,12 +1517,16 @@ static int db4_iterate_keys(void (*iterfunc)(void *ctx,
        struct openpgp_packet_list *packets = NULL;
        struct openpgp_publickey   *key = NULL;
 
-       for (i = 0; i < numdbs; i++) {
-               ret = dbconns[i]->cursor(dbconns[i],
+       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);
@@ -1353,12 +1539,12 @@ static int db4_iterate_keys(void (*iterfunc)(void *ctx,
                        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,
@@ -1371,10 +1557,10 @@ static int db4_iterate_keys(void (*iterfunc)(void *ctx,
                                db_strerror(ret));
                }
 
-               ret = cursor->c_close(cursor);
+               cursor->c_close(cursor);
                cursor = NULL;
        }
-       
+
        return numkeys;
 }
 
@@ -1386,20 +1572,397 @@ static int db4_iterate_keys(void (*iterfunc)(void *ctx,
 #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,
-       .fetch_key_skshash      = db4_fetch_key_skshash,
-       .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,
-};
+/**
+ *     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->getfullkeyid             = db4_getfullkeyid;
+       dbctx->iterate_keys             = db4_iterate_keys;
+
+       return dbctx;
+}