X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/2edb917ed0be24b4a525bef5aa346389afbd1be3..32851537d44f08b08ed317cbc4281ce003f84fa4:/keydb_db3.c?ds=inline

diff --git a/keydb_db3.c b/keydb_db3.c
index 0f4239b..f686770 100644
--- a/keydb_db3.c
+++ b/keydb_db3.c
@@ -4,6 +4,8 @@
  * Jonathan McDowell <noodles@earth.li>
  *
  * Copyright 2002 Project Purple
+ *
+ * $Id: keydb_db3.c,v 1.19 2003/09/28 16:12:47 noodles Exp $
  */
 
 #include <assert.h>
@@ -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 +56,11 @@ static DB *worddb = NULL;
  */
 static DB_TXN *txn = NULL;
 
+DB *keydb(uint64_t keyid)
+{
+	return(dbconns[keyid % numdbs]);
+}
+
 /**
  *	makewordlist - Takes a string and splits it into a set of unique words.
  *	@wordlist: The current word list.
@@ -108,7 +120,29 @@ 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));
+	}
+
+	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) {
@@ -142,24 +176,27 @@ void initdb(void)
 		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);
@@ -191,11 +228,15 @@ 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;
 }
@@ -288,7 +329,7 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
 		starttrans();
 	}
 
-	ret = dbconn->get(dbconn,
+	ret = keydb(keyid)->get(keydb(keyid),
 			txn,
 			&key,
 			&data,
@@ -503,7 +544,7 @@ 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,
@@ -712,7 +753,7 @@ 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 */
@@ -737,36 +778,49 @@ 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;
 }