X-Git-Url: https://the.earth.li/gitweb/?a=blobdiff_plain;f=keydb_db3.c;h=b3441b7edaa21db571f594f9a010de58b50ffca9;hb=7f1c2d9ec737a90d4d216f59ccb8b93f9054c472;hp=cffdb15c07ef3217caf164cf23cb6c978f1d4dcf;hpb=8e454e9e224e84113a93ad22103613be4ff72b3f;p=onak.git diff --git a/keydb_db3.c b/keydb_db3.c index cffdb15..b3441b7 100644 --- a/keydb_db3.c +++ b/keydb_db3.c @@ -4,6 +4,8 @@ * Jonathan McDowell * * Copyright 2002 Project Purple + * + * $Id: keydb_db3.c,v 1.22 2003/10/10 16:57:27 noodles Exp $ */ #include @@ -35,9 +37,14 @@ static DB_ENV *dbenv = NULL; /** - * dbconn - our connection to the key database. + * numdb - The number of database files we have. + */ +static int numdbs = 16; + +/** + * dbconn - our connections to the key database files. */ -static DB *dbconn = NULL; +static DB **dbconns = NULL; /** * worddb - our connection to the word database. @@ -49,6 +56,15 @@ static DB *worddb = NULL; */ static DB_TXN *txn = NULL; +DB *keydb(uint64_t keyid) +{ + uint64_t keytrun; + + keytrun = keyid >> 8; + + return(dbconns[keytrun % numdbs]); +} + /** * makewordlist - Takes a string and splits it into a set of unique words. * @wordlist: The current word list. @@ -108,7 +124,38 @@ struct ll *makewordlist(struct ll *wordlist, char *word) */ void initdb(void) { - int ret = 0; + char buf[1024]; + FILE *numdb = NULL; + int ret = 0; + int i = 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 { + 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)); + } + } + + dbconns = malloc(sizeof (DB *) * numdbs); + if (dbconns == NULL) { + logthing(LOGTHING_CRITICAL, + "Couldn't allocate memory for dbconns"); + exit(1); + } ret = db_env_create(&dbenv, 0); if (ret != 0) { @@ -136,30 +183,33 @@ void initdb(void) 0); if (ret != 0) { logthing(LOGTHING_CRITICAL, - "Erroring opening db environment: %s (%s)", + "Error opening db environment: %s (%s)", config.db_dir, db_strerror(ret)); exit(1); } - ret = db_create(&dbconn, dbenv, 0); - if (ret != 0) { - logthing(LOGTHING_CRITICAL, + for (i = 0; i < numdbs; i++) { + ret = db_create(&dbconns[i], dbenv, 0); + if (ret != 0) { + logthing(LOGTHING_CRITICAL, "db_create: %s", db_strerror(ret)); - exit(1); - } + exit(1); + } - ret = dbconn->open(dbconn, "keydb.db", + snprintf(buf, 1023, "keydb.%d.db", i); + ret = dbconns[i]->open(dbconns[i], buf, NULL, DB_HASH, DB_CREATE, 0664); - if (ret != 0) { - logthing(LOGTHING_CRITICAL, + if (ret != 0) { + logthing(LOGTHING_CRITICAL, "Error opening key database: %s (%s)", - "keydb.db", + buf, db_strerror(ret)); - exit(1); + exit(1); + } } ret = db_create(&worddb, dbenv, 0); @@ -191,10 +241,15 @@ void initdb(void) */ void cleanupdb(void) { + int i = 0; + + txn_checkpoint(dbenv, 0, 0, 0); worddb->close(worddb, 0); worddb = NULL; - dbconn->close(dbconn, 0); - dbconn = NULL; + for (i = 0; i < numdbs; i++) { + dbconns[i]->close(dbconns[i], 0); + dbconns[i] = NULL; + } dbenv->close(dbenv, 0); dbenv = NULL; } @@ -287,7 +342,7 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, starttrans(); } - ret = dbconn->get(dbconn, + ret = keydb(keyid)->get(keydb(keyid), txn, &key, &data, @@ -298,7 +353,7 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, fetchbuf.offset = 0; fetchbuf.size = data.size; read_openpgp_stream(buffer_fetchchar, &fetchbuf, - &packets); + &packets, 0); parse_keys(packets, publickey); free_packet_list(packets); packets = NULL; @@ -502,7 +557,7 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update) data.size = storebuf.offset; data.data = storebuf.buffer; - ret = dbconn->put(dbconn, + ret = keydb(keyid)->put(keydb(keyid), txn, &key, &data, @@ -711,7 +766,7 @@ int delete_key(uint64_t keyid, bool intrans) key.data = &keyid; key.size = sizeof(keyid); - dbconn->del(dbconn, + keydb(keyid)->del(keydb(keyid), txn, &key, 0); /* flags */ @@ -736,36 +791,49 @@ int delete_key(uint64_t keyid, bool intrans) */ int dumpdb(char *filenamebase) { - DBT key, data; - DBC *cursor = NULL; - int ret = 0; - int fd = -1; + DBT key, data; + DBC *cursor = NULL; + int ret = 0; + int fd = -1; + int i = 0; + char filename[1024]; + + filename[1023] = 0; + for (i = 0; i < numdbs; i++) { + ret = dbconns[i]->cursor(dbconns[i], + NULL, + &cursor, + 0); /* flags */ - starttrans(); - - ret = dbconn->cursor(dbconn, - txn, - &cursor, - 0); /* flags */ + snprintf(filename, 1023, "%s.%d.pgp", filenamebase, i); + fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0640); + if (fd == -1) { + logthing(LOGTHING_ERROR, + "Error opening keydump file (%s): %s", + filename, + strerror(errno)); + } else { + memset(&key, 0, sizeof(key)); + memset(&data, 0, sizeof(data)); + ret = cursor->c_get(cursor, &key, &data, DB_NEXT); + while (ret == 0) { + write(fd, data.data, data.size); + memset(&key, 0, sizeof(key)); + memset(&data, 0, sizeof(data)); + ret = cursor->c_get(cursor, &key, &data, + DB_NEXT); + } + if (ret != DB_NOTFOUND) { + logthing(LOGTHING_ERROR, + "Problem reading key: %s", + db_strerror(ret)); + } + close(fd); + } - fd = open(filenamebase, O_CREAT | O_WRONLY | O_TRUNC, 0640); - memset(&key, 0, sizeof(key)); - memset(&data, 0, sizeof(data)); - ret = cursor->c_get(cursor, &key, &data, DB_NEXT); - while (ret == 0) { - write(fd, data.data, data.size); - memset(&key, 0, sizeof(key)); - memset(&data, 0, sizeof(data)); - ret = cursor->c_get(cursor, &key, &data, DB_NEXT); + ret = cursor->c_close(cursor); + cursor = NULL; } - logthing(LOGTHING_ERROR, "Problem reading key: %s", db_strerror(ret)); - - close(fd); - - ret = cursor->c_close(cursor); - cursor = NULL; - - endtrans(); return 0; }