From 76c5dd1081bc9db3bf446480457b52d4ae7b3891 Mon Sep 17 00:00:00 2001
From: Jonathan McDowell <noodles@earth.li>
Date: Mon, 31 May 2004 23:47:26 +0000
Subject: [PATCH 1/1] cscvs to tla changeset 56 Author: noodles Date:
 2003/02/12 22:48:14 Add code to do a dump of the key database to a flat
 OpenPGP data file.

---
 keydb.h     | 12 ++++++++++++
 keydb_db3.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++++-
 onak.c      |  4 ++++
 3 files changed, 64 insertions(+), 1 deletion(-)

diff --git a/keydb.h b/keydb.h
index 647916c..7deb95a 100644
--- a/keydb.h
+++ b/keydb.h
@@ -133,4 +133,16 @@ struct ll *cached_getkeysigs(uint64_t keyid);
  */
 uint64_t getfullkeyid(uint64_t keyid);
 
+/**
+ *	dumpdb - dump the key database
+ *	@filenamebase: The base filename to use for the dump.
+ *
+ *	Dumps the database into one or more files, which contain pure OpenPGP
+ *	that can be reimported into onak or gpg. filenamebase provides a base
+ *	file name for the dump; several files may be created, all of which will
+ *	begin with this string and then have a unique number and a .pgp
+ *	extension.
+ */
+int dumpdb(char *filenamebase);
+
 #endif /* __KEYDB_H__ */
diff --git a/keydb_db3.c b/keydb_db3.c
index 4d1bcca..de24f75 100644
--- a/keydb_db3.c
+++ b/keydb_db3.c
@@ -107,7 +107,6 @@ struct ll *makewordlist(struct ll *wordlist, char *word)
  */
 void initdb(void)
 {
-	char buf[1024];
 	int ret = 0;
 
 	ret = db_env_create(&dbenv, 0);
@@ -198,6 +197,7 @@ bool starttrans(void)
 {
 	int ret;
 
+	assert(dbenv != NULL);
 	assert(txn == NULL);
 
 	ret = txn_begin(dbenv,
@@ -221,6 +221,7 @@ void endtrans(void)
 {
 	int ret;
 
+	assert(dbenv != NULL);
 	assert(txn != NULL);
 
 	ret = txn_commit(txn,
@@ -699,6 +700,52 @@ int delete_key(uint64_t keyid, bool intrans)
 	return deadlock ? (-1) : (ret == DB_NOTFOUND);
 }
 
+/**
+ *	dumpdb - dump the key database
+ *	@filenamebase: The base filename to use for the dump.
+ *
+ *	Dumps the database into one or more files, which contain pure OpenPGP
+ *	that can be reimported into onak or gpg. filenamebase provides a base
+ *	file name for the dump; several files may be created, all of which will
+ *	begin with this string and then have a unique number and a .pgp
+ *	extension.
+ */
+int dumpdb(char *filenamebase)
+{
+	DBT key, data;
+	DBC *cursor = NULL;
+	int ret = 0;
+	int fd = -1;
+
+	starttrans();
+	
+	ret = dbconn->cursor(dbconn,
+		txn,
+		&cursor,
+		0);   /* flags */
+
+	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);
+	}
+	dbconn->err(dbconn, ret, "Problem reading key");
+
+	close(fd);
+
+	ret = cursor->c_close(cursor);
+	cursor = NULL;
+	
+	endtrans();
+	
+	return 0;
+}
+
 /*
  * Include the basic keydb routines.
  */
diff --git a/onak.c b/onak.c
index 07e01a5..f673bd3 100644
--- a/onak.c
+++ b/onak.c
@@ -120,6 +120,10 @@ int main(int argc, char *argv[])
 
 	if ((argc - optind) < 1) {
 		usage();
+	} else if (!strcmp("dump", argv[optind])) {
+		initdb();
+		dumpdb("keydump");
+		cleanupdb();
 	} else if (!strcmp("add", argv[optind])) {
 		if (binary) {
 			result = read_openpgp_stream(stdin_getchar, NULL,
-- 
2.39.5