]> the.earth.li Git - onak.git/commitdiff
(Hopefully) really fix the DB4 backend issues.
authorJonathan McDowell <noodles@pot>
Wed, 16 Jan 2008 22:05:58 +0000 (22:05 +0000)
committerJonathan McDowell <noodles@pot>
Wed, 16 Jan 2008 22:05:58 +0000 (22:05 +0000)
keydb.c
keydb_db4.c

diff --git a/keydb.c b/keydb.c
index 339450bda290f1d0c99166836dbb6f86800696c1..0039057093898bc067f5c3149ae9a0ec352559a9 100644 (file)
--- a/keydb.c
+++ b/keydb.c
@@ -205,7 +205,8 @@ int generic_update_keys(struct openpgp_publickey **keys, bool sendsync)
                                prev = curkey;
                                logthing(LOGTHING_INFO,
                                        "Merged key; storing updated key.");
-                               store_key(oldkey, intrans, true);
+                               config.dbbackend->store_key(oldkey, intrans,
+                                       true);
                        }
                        free_publickey(oldkey);
                        oldkey = NULL;
index 986c49af2925f190b2d906555edaf1fc77c3aefc..b443942aea33530a8db6c97001896dcccd226075 100644 (file)
@@ -319,7 +319,7 @@ static void db4_initdb(bool readonly)
        }
 
        if (txn != NULL) {
-               endtrans();
+               db4_endtrans();
        }
 
        if (ret != 0) {
@@ -393,7 +393,7 @@ static int db4_fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
        }
 
        if (!intrans) {
-               endtrans();
+               db4_endtrans();
        }
 
        return (numkeys);
@@ -481,14 +481,14 @@ static int db4_fetch_key_text(const char *search,
                }
                ret = cursor->c_close(cursor);
                cursor = NULL;
-               endtrans();
+               db4_endtrans();
        }
        llfree(wordlist, NULL);
        wordlist = NULL;
        
        db4_starttrans();
        for (i = 0; i < keylist.count; i++) {
-               numkeys += fetch_key(keylist.keys[i],
+               numkeys += db4_fetch_key(keylist.keys[i],
                        publickey,
                        true);
        }
@@ -496,121 +496,56 @@ static int db4_fetch_key_text(const char *search,
        free(searchtext);
        searchtext = NULL;
 
-       endtrans();
+       db4_endtrans();
        
        return (numkeys);
 }
 
 /**
- *     store_key - Takes a key and stores it.
- *     @publickey: A pointer to the public key to store.
+ *     delete_key - Given a keyid delete the key from storage.
+ *     @keyid: The keyid to delete.
  *     @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.
+ *     This function deletes a public key from whatever storage mechanism we
+ *     are using. Returns 0 if the key existed.
  */
-static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
-               bool update)
+static int db4_delete_key(uint64_t keyid, bool intrans)
 {
-       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;
+       struct openpgp_publickey *publickey = NULL;
+       DBT key, data;
+       DBC *cursor = NULL;
        uint32_t   shortkeyid = 0;
        uint64_t  *subkeyids = NULL;
-       char     **uids = NULL;
-       char      *primary = NULL;
+       int ret = 0;
+       int i;
+       char **uids = NULL;
+       char *primary = NULL;
        unsigned char worddb_data[12];
        struct ll *wordlist = NULL;
        struct ll *curword  = NULL;
-       bool       deadlock = false;
-
-       keyid = get_keyid(publickey);
+       bool deadlock = false;
 
        if (!intrans) {
                db4_starttrans();
        }
 
-       /*
-        * 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 = (delete_key(keyid, 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 keyid is
-                * the key.
-                */
-               memset(&key, 0, sizeof(key));
-               memset(&data, 0, sizeof(data));
-               key.data = &keyid;
-               key.size = sizeof(keyid);
-               data.size = storebuf.offset;
-               data.data = storebuf.buffer;
-
-               ret = keydb(keyid)->put(keydb(keyid),
-                               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;
-       }
+       db4_fetch_key(keyid, &publickey, true);
 
        /*
-        * Walk through our uids storing the words into the db with the keyid.
+        * Walk through the uids removing the words from the worddb.
         */
-       if (!deadlock) {
+       if (publickey != NULL) {
                uids = keyuids(publickey, &primary);
        }
        if (uids != NULL) {
                for (i = 0; ret == 0 && uids[i] != NULL; i++) {
                        wordlist = makewordlist(wordlist, uids[i]);
                }
+                               
+               ret = worddb->cursor(worddb,
+                       txn,
+                       &cursor,
+                       0);   /* flags */
 
                for (curword = wordlist; curword != NULL && !deadlock;
                                curword = curword->next) {
@@ -637,20 +572,32 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                        worddb_data[ 9] = (keyid >> 16) & 0xFF;
                        worddb_data[10] = (keyid >>  8) & 0xFF;
                        worddb_data[11] = keyid & 0xFF; 
-                       ret = worddb->put(worddb,
-                               txn,
+
+                       ret = cursor->c_get(cursor,
                                &key,
                                &data,
-                               0);
+                               DB_GET_BOTH);
+
+                       if (ret == 0) {
+                               ret = cursor->c_del(cursor, 0);
+                               if (ret != 0) {
+                                       logthing(LOGTHING_ERROR,
+                                               "Problem deleting word: %s",
+                                               db_strerror(ret));
+                               }
+                       }
+
                        if (ret != 0) {
                                logthing(LOGTHING_ERROR,
-                                       "Problem storing word: %s",
+                                       "Problem deleting word: %s",
                                        db_strerror(ret));
                                if (ret == DB_LOCK_DEADLOCK) {
                                        deadlock = true;
                                }
                        }
                }
+               ret = cursor->c_close(cursor);
+               cursor = NULL;
 
                /*
                 * Free our UID and word lists.
@@ -662,13 +609,16 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                }
                free(uids);
                uids = NULL;
+               free_publickey(publickey);
+               publickey = NULL;
        }
 
-       /*
-        * Write the truncated 32 bit keyid so we can lookup the full id for
-        * queries.
-        */
        if (!deadlock) {
+               ret = id32db->cursor(id32db,
+                       txn,
+                       &cursor,
+                       0);   /* flags */
+
                shortkeyid = keyid & 0xFFFFFFFF;
 
                memset(&key, 0, sizeof(key));
@@ -678,22 +628,29 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                data.data = &keyid;
                data.size = sizeof(keyid);
 
-               ret = id32db->put(id32db,
-                       txn,
+               ret = cursor->c_get(cursor,
                        &key,
                        &data,
-                       0);
+                       DB_GET_BOTH);
+
+               if (ret == 0) {
+                       ret = cursor->c_del(cursor, 0);
+                       if (ret != 0) {
+                               logthing(LOGTHING_ERROR,
+                                       "Problem deleting short keyid: %s",
+                                       db_strerror(ret));
+                       }
+               }
+
                if (ret != 0) {
                        logthing(LOGTHING_ERROR,
-                               "Problem storing short keyid: %s",
+                               "Problem deleting short 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) {
@@ -706,14 +663,24 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                        data.data = &keyid;
                        data.size = sizeof(keyid);
 
-                       ret = id32db->put(id32db,
-                               txn,
+                       ret = cursor->c_get(cursor,
                                &key,
                                &data,
-                               0);
+                               DB_GET_BOTH);
+
+                       if (ret == 0) {
+                               ret = cursor->c_del(cursor, 0);
+                               if (ret != 0) {
+                                       logthing(LOGTHING_ERROR,
+                                               "Problem deleting short"
+                                               " keyid: %s",
+                                               db_strerror(ret));
+                               }
+                       }
+
                        if (ret != 0) {
                                logthing(LOGTHING_ERROR,
-                                       "Problem storing short keyid: %s",
+                                       "Problem deleting short keyid: %s",
                                        db_strerror(ret));
                                if (ret == DB_LOCK_DEADLOCK) {
                                        deadlock = true;
@@ -724,60 +691,138 @@ static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
                        free(subkeyids);
                        subkeyids = NULL;
                }
+
+               ret = cursor->c_close(cursor);
+               cursor = NULL;
+       }
+
+       if (!deadlock) {
+               key.data = &keyid;
+               key.size = sizeof(keyid);
+
+               keydb(keyid)->del(keydb(keyid),
+                               txn,
+                               &key,
+                               0); /* flags */
        }
 
        if (!intrans) {
-               endtrans();
+               db4_endtrans();
        }
 
-       return deadlock ? -1 : 0 ;
+       return deadlock ? (-1) : (ret == DB_NOTFOUND);
 }
 
 /**
- *     delete_key - Given a keyid delete the key from storage.
- *     @keyid: The keyid to delete.
+ *     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.
  *
- *     This function deletes a public key from whatever storage mechanism we
- *     are using. Returns 0 if the key existed.
+ *     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_delete_key(uint64_t keyid, bool intrans)
+static int db4_store_key(struct openpgp_publickey *publickey, bool intrans,
+               bool update)
 {
-       struct openpgp_publickey *publickey = NULL;
-       DBT key, data;
-       DBC *cursor = NULL;
+       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;
        uint64_t  *subkeyids = NULL;
-       int ret = 0;
-       int i;
-       char **uids = NULL;
-       char *primary = NULL;
+       char     **uids = NULL;
+       char      *primary = NULL;
        unsigned char worddb_data[12];
        struct ll *wordlist = NULL;
        struct ll *curword  = NULL;
-       bool deadlock = false;
+       bool       deadlock = false;
+
+       keyid = get_keyid(publickey);
 
        if (!intrans) {
                db4_starttrans();
        }
 
-       fetch_key(keyid, &publickey, true);
+       /*
+        * 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(keyid, true) == -1);
+       }
 
        /*
-        * Walk through the uids removing the words from the worddb.
+        * Convert the key to a flat set of binary data.
         */
-       if (publickey != NULL) {
+       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 keyid is
+                * the key.
+                */
+               memset(&key, 0, sizeof(key));
+               memset(&data, 0, sizeof(data));
+               key.data = &keyid;
+               key.size = sizeof(keyid);
+               data.size = storebuf.offset;
+               data.data = storebuf.buffer;
+
+               ret = keydb(keyid)->put(keydb(keyid),
+                               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 keyid.
+        */
+       if (!deadlock) {
                uids = keyuids(publickey, &primary);
        }
        if (uids != NULL) {
                for (i = 0; ret == 0 && uids[i] != NULL; i++) {
                        wordlist = makewordlist(wordlist, uids[i]);
                }
-                               
-               ret = worddb->cursor(worddb,
-                       txn,
-                       &cursor,
-                       0);   /* flags */
 
                for (curword = wordlist; curword != NULL && !deadlock;
                                curword = curword->next) {
@@ -804,32 +849,20 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                        worddb_data[ 9] = (keyid >> 16) & 0xFF;
                        worddb_data[10] = (keyid >>  8) & 0xFF;
                        worddb_data[11] = keyid & 0xFF; 
-
-                       ret = cursor->c_get(cursor,
+                       ret = worddb->put(worddb,
+                               txn,
                                &key,
                                &data,
-                               DB_GET_BOTH);
-
-                       if (ret == 0) {
-                               ret = cursor->c_del(cursor, 0);
-                               if (ret != 0) {
-                                       logthing(LOGTHING_ERROR,
-                                               "Problem deleting word: %s",
-                                               db_strerror(ret));
-                               }
-                       }
-
+                               0);
                        if (ret != 0) {
                                logthing(LOGTHING_ERROR,
-                                       "Problem deleting word: %s",
+                                       "Problem storing word: %s",
                                        db_strerror(ret));
                                if (ret == DB_LOCK_DEADLOCK) {
                                        deadlock = true;
                                }
                        }
                }
-               ret = cursor->c_close(cursor);
-               cursor = NULL;
 
                /*
                 * Free our UID and word lists.
@@ -841,16 +874,13 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                }
                free(uids);
                uids = NULL;
-               free_publickey(publickey);
-               publickey = NULL;
        }
 
+       /*
+        * Write the truncated 32 bit keyid so we can lookup the full id for
+        * queries.
+        */
        if (!deadlock) {
-               ret = id32db->cursor(id32db,
-                       txn,
-                       &cursor,
-                       0);   /* flags */
-
                shortkeyid = keyid & 0xFFFFFFFF;
 
                memset(&key, 0, sizeof(key));
@@ -860,29 +890,22 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                data.data = &keyid;
                data.size = sizeof(keyid);
 
-               ret = cursor->c_get(cursor,
+               ret = id32db->put(id32db,
+                       txn,
                        &key,
                        &data,
-                       DB_GET_BOTH);
-
-               if (ret == 0) {
-                       ret = cursor->c_del(cursor, 0);
-                       if (ret != 0) {
-                               logthing(LOGTHING_ERROR,
-                                       "Problem deleting short keyid: %s",
-                                       db_strerror(ret));
-                       }
-               }
-
+                       0);
                if (ret != 0) {
                        logthing(LOGTHING_ERROR,
-                               "Problem deleting short keyid: %s",
+                               "Problem storing short 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) {
@@ -895,24 +918,14 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                        data.data = &keyid;
                        data.size = sizeof(keyid);
 
-                       ret = cursor->c_get(cursor,
+                       ret = id32db->put(id32db,
+                               txn,
                                &key,
                                &data,
-                               DB_GET_BOTH);
-
-                       if (ret == 0) {
-                               ret = cursor->c_del(cursor, 0);
-                               if (ret != 0) {
-                                       logthing(LOGTHING_ERROR,
-                                               "Problem deleting short"
-                                               " keyid: %s",
-                                               db_strerror(ret));
-                               }
-                       }
-
+                               0);
                        if (ret != 0) {
                                logthing(LOGTHING_ERROR,
-                                       "Problem deleting short keyid: %s",
+                                       "Problem storing short keyid: %s",
                                        db_strerror(ret));
                                if (ret == DB_LOCK_DEADLOCK) {
                                        deadlock = true;
@@ -923,26 +936,13 @@ static int db4_delete_key(uint64_t keyid, bool intrans)
                        free(subkeyids);
                        subkeyids = NULL;
                }
-
-               ret = cursor->c_close(cursor);
-               cursor = NULL;
-       }
-
-       if (!deadlock) {
-               key.data = &keyid;
-               key.size = sizeof(keyid);
-
-               keydb(keyid)->del(keydb(keyid),
-                               txn,
-                               &key,
-                               0); /* flags */
        }
 
        if (!intrans) {
-               endtrans();
+               db4_endtrans();
        }
 
-       return deadlock ? (-1) : (ret == DB_NOTFOUND);
+       return deadlock ? -1 : 0 ;
 }
 
 /**