/*
* keydb.c - Routines to store and fetch keys.
*
- * Jonathan McDowell <noodles@earth.li>
+ * Copyright 2002-2004 Jonathan McDowell <noodles@earth.li>
*
- * Copyright 2002 Project Purple
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <sys/types.h>
#include <sys/uio.h>
+#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
+#include "charfuncs.h"
#include "keydb.h"
#include "keyid.h"
#include "keystructs.h"
#include "ll.h"
+#include "log.h"
#include "mem.h"
#include "onak-conf.h"
#include "parsekey.h"
/**
- * keydb_fetchchar - Fetches a char from a file.
+ * initdb - Initialize the key database.
+ *
+ * This is just a no-op for flat file access.
*/
-static int keydb_fetchchar(void *fd, size_t count, unsigned char *c)
+static void file_initdb(bool readonly)
{
- return !(read( *(int *) fd, c, count));
}
/**
- * keydb_putchar - Puts a char to a file.
+ * cleanupdb - De-initialize the key database.
+ *
+ * This is just a no-op for flat file access.
*/
-static int keydb_putchar(void *fd, size_t count, unsigned char *c)
+static void file_cleanupdb(void)
{
- return !(write( *(int *) fd, c, count));
}
/**
- * initdb - Initialize the key database.
+ * starttrans - Start a transaction.
*
* This is just a no-op for flat file access.
*/
-void initdb(void)
+static bool file_starttrans(void)
{
+ return true;
}
/**
- * cleanupdb - De-initialize the key database.
+ * endtrans - End a transaction.
*
* This is just a no-op for flat file access.
*/
-void cleanupdb(void)
+static void file_endtrans(void)
{
+ return;
}
/**
* fetch_key - Given a keyid fetch the key from storage.
* @keyid: The keyid to fetch.
* @publickey: A pointer to a structure to return the key in.
+ * @intrans: If we're already in a transaction.
*
* We use the hex representation of the keyid as the filename to fetch the
* key from. The key is stored in the file as a binary OpenPGP stream of
* in and then parse_keys() to parse the packets into a publickey
* structure.
*/
-int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey)
+static int file_fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
+ bool intrans)
{
struct openpgp_packet_list *packets = NULL;
char keyfile[1024];
int fd = -1;
- snprintf(keyfile, 1023, "%s/0x%llX", config.file_dbpath,
+ snprintf(keyfile, 1023, "%s/0x%" PRIX64, config.db_dir,
keyid & 0xFFFFFFFF);
fd = open(keyfile, O_RDONLY); // | O_SHLOCK);
if (fd > -1) {
- read_openpgp_stream(keydb_fetchchar, &fd, &packets);
+ read_openpgp_stream(file_fetchchar, &fd, &packets, 0);
parse_keys(packets, publickey);
+ free_packet_list(packets);
+ packets = NULL;
close(fd);
}
/**
* 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.
*
* 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.
*/
-int store_key(struct openpgp_publickey *publickey)
+static int file_store_key(struct openpgp_publickey *publickey, bool intrans,
+ bool update)
{
struct openpgp_packet_list *packets = NULL;
struct openpgp_packet_list *list_end = NULL;
struct openpgp_publickey *next = NULL;
char keyfile[1024];
int fd = -1;
+ uint64_t keyid;
- snprintf(keyfile, 1023, "%s/0x%llX", config.file_dbpath,
- get_keyid(publickey) & 0xFFFFFFFF);
+ get_keyid(publickey, &keyid);
+ snprintf(keyfile, 1023, "%s/0x%" PRIX64, config.db_dir,
+ keyid & 0xFFFFFFFF);
fd = open(keyfile, O_WRONLY | O_CREAT, 0664); // | O_EXLOCK);
if (fd > -1) {
flatten_publickey(publickey, &packets, &list_end);
publickey -> next = next;
- write_openpgp_stream(keydb_putchar, &fd, packets);
+ write_openpgp_stream(file_putchar, &fd, packets);
close(fd);
+ free_packet_list(packets);
+ packets = NULL;
}
return (fd > -1);
/**
* delete_key - Given a keyid delete the key from storage.
* @keyid: The keyid to delete.
+ * @intrans: If we're already in a transaction.
*
* This function deletes a public key from whatever storage mechanism we
* are using. Returns 0 if the key existed.
*/
-int delete_key(uint64_t keyid)
+static int file_delete_key(uint64_t keyid, bool intrans)
{
char keyfile[1024];
- snprintf(keyfile, 1023, "%s/0x%llX", config.file_dbpath,
+ snprintf(keyfile, 1023, "%s/0x%" PRIX64, config.db_dir,
keyid & 0xFFFFFFFF);
return unlink(keyfile);
}
+/**
+ * fetch_key_text - Trys to find the keys that contain the supplied text.
+ * @search: The text to search for.
+ * @publickey: A pointer to a structure to return the key in.
+ *
+ * This function searches for the supplied text and returns the keys that
+ * contain it.
+ *
+ * TODO: Write for flat file access. Some sort of grep?
+ */
+static int file_fetch_key_text(const char *search,
+ struct openpgp_publickey **publickey)
+{
+ return 0;
+}
+
+/**
+ * iterate_keys - call a function once for each key in the db.
+ * @iterfunc: The function to call.
+ * @ctx: A context pointer
+ *
+ * Calls iterfunc once for each key in the database. ctx is passed
+ * unaltered to iterfunc. This function is intended to aid database dumps
+ * and statistic calculations.
+ *
+ * Returns the number of keys we iterated over.
+ */
+static int file_iterate_keys(void (*iterfunc)(void *ctx,
+ struct openpgp_publickey *key), void *ctx)
+{
+ int numkeys = 0;
+ struct openpgp_packet_list *packets = NULL;
+ struct openpgp_publickey *key = NULL;
+ DIR *dir;
+ char keyfile[1024];
+ int fd = -1;
+ struct dirent *curfile = NULL;
+
+ dir = opendir(config.db_dir);
+
+ if (dir != NULL) {
+ while ((curfile = readdir(dir)) != NULL) {
+ if (curfile->d_name[0] == '0' &&
+ curfile->d_name[1] == 'x') {
+ snprintf(keyfile, 1023, "%s/%s",
+ config.db_dir,
+ curfile->d_name);
+ fd = open(keyfile, O_RDONLY);
+
+ if (fd > -1) {
+ read_openpgp_stream(file_fetchchar,
+ &fd,
+ &packets,
+ 0);
+ parse_keys(packets, &key);
+
+ iterfunc(ctx, key);
+
+ free_publickey(key);
+ key = NULL;
+ free_packet_list(packets);
+ packets = NULL;
+ close(fd);
+ }
+ numkeys++;
+ }
+ }
+
+ closedir(dir);
+ dir = NULL;
+ }
+
+ return numkeys;
+}
+
/*
* Include the basic keydb routines.
*/
#define NEED_KEYID2UID 1
#define NEED_GETKEYSIGS 1
#define NEED_GETFULLKEYID 1
+#define NEED_UPDATEKEYS 1
#include "keydb.c"
+
+struct dbfuncs keydb_file_funcs = {
+ .initdb = file_initdb,
+ .cleanupdb = file_cleanupdb,
+ .starttrans = file_starttrans,
+ .endtrans = file_endtrans,
+ .fetch_key = file_fetch_key,
+ .fetch_key_text = file_fetch_key_text,
+ .store_key = file_store_key,
+ .update_keys = generic_update_keys,
+ .delete_key = file_delete_key,
+ .getkeysigs = generic_getkeysigs,
+ .cached_getkeysigs = generic_cached_getkeysigs,
+ .keyid2uid = generic_keyid2uid,
+ .getfullkeyid = generic_getfullkeyid,
+ .iterate_keys = file_iterate_keys,
+};
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