Add support for key retrieval by SKS hash

[onak.git] / keydb_keyd.c

diff --git a/keydb_keyd.c b/keydb_keyd.c
index 2a9faafa40cc72c9a21d0fcb698819e94a6c5345..ceedd87a84de1337c36524d4a8012fd4464557b8 100644 (file)
--- a/keydb_keyd.c
+++ b/keydb_keyd.c
@@ -352,6 +352,49 @@ static int keyd_fetch_key_text(const char *search,
        return 0;
 }
 
+static int keyd_fetch_key_skshash(const struct skshash *hash,
+               struct openpgp_publickey **publickey)
+{
+       struct buffer_ctx           keybuf;
+       struct openpgp_packet_list *packets = NULL;
+       uint32_t                    cmd = KEYD_CMD_GETSKSHASH;
+       ssize_t                     bytes = 0;
+       ssize_t                     count = 0;
+
+       write(keyd_fd, &cmd, sizeof(cmd));
+       read(keyd_fd, &cmd, sizeof(cmd));
+       if (cmd == KEYD_REPLY_OK) {
+               write(keyd_fd, hash->hash, sizeof(hash->hash));
+               keybuf.offset = 0;
+               read(keyd_fd, &keybuf.size, sizeof(keybuf.size));
+               if (keybuf.size > 0) {
+                       keybuf.buffer = malloc(keybuf.size);
+                       bytes = count = 0;
+                       logthing(LOGTHING_TRACE,
+                                       "Getting %d bytes of key data.",
+                                       keybuf.size);
+                       while (bytes >= 0 && count < keybuf.size) {
+                               bytes = read(keyd_fd, &keybuf.buffer[count],
+                                               keybuf.size - count);
+                               logthing(LOGTHING_TRACE,
+                                               "Read %d bytes.", bytes);
+                               count += bytes;
+                       }
+                       read_openpgp_stream(buffer_fetchchar, &keybuf,
+                                       &packets, 0);
+                       parse_keys(packets, publickey);
+                       free_packet_list(packets);
+                       packets = NULL;
+                       free(keybuf.buffer);
+                       keybuf.buffer = NULL;
+                       keybuf.size = 0;
+               }
+       }
+       
+       return (count > 0) ? 1 : 0;
+}
+
+
 /**
  *     getfullkeyid - Maps a 32bit key id to a 64bit one.
  *     @keyid: The 32bit keyid.
@@ -454,6 +497,7 @@ struct dbfuncs keydb_keyd_funcs = {
        .endtrans               = keyd_endtrans,
        .fetch_key              = keyd_fetch_key,
        .fetch_key_text         = keyd_fetch_key_text,
+       .fetch_key_skshash      = keyd_fetch_key_skshash,
        .store_key              = keyd_store_key,
        .update_keys            = generic_update_keys,
        .delete_key             = keyd_delete_key,