/*
* keydb_pg.c - Routines to store and fetch keys in a PostGres database.
*
- * 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 <postgresql/libpq-fe.h>
#include <postgresql/libpq/libpq-fs.h>
-//#include <libpq-fe.h>
-//#include <libpq/libpq-fs.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
+#include "hash.h"
#include "keydb.h"
#include "keyid.h"
-#include "keyindex.h"
+#include "decodekey.h"
#include "keystructs.h"
+#include "log.h"
#include "mem.h"
#include "onak-conf.h"
#include "parsekey.h"
/**
* keydb_fetchchar - Fetches a char from a file.
*/
-static int keydb_fetchchar(void *fd, size_t count, unsigned char *c)
+static int keydb_fetchchar(void *fd, size_t count, void *c)
{
- return (!lo_read(dbconn, *(int *) fd, c, count));
+ return (!lo_read(dbconn, *(int *) fd, (char *) c, count));
}
/**
* keydb_putchar - Puts a char to a file.
*/
-static int keydb_putchar(void *fd, size_t count, unsigned char *c)
+static int keydb_putchar(void *fd, size_t count, void *c)
{
- return !(lo_write(dbconn, *(int *) fd, c, count));
+ return !(lo_write(dbconn, *(int *) fd, (char *) c, count));
}
/**
* this file are called in order to allow the DB to be initialized ready
* for access.
*/
-void initdb(void)
+static void pg_initdb(bool readonly)
{
dbconn = PQsetdbLogin(config.pg_dbhost, // host
NULL, // port
config.pg_dbpass); // password
if (PQstatus(dbconn) == CONNECTION_BAD) {
- fprintf(stderr, "Connection to database failed.\n");
- fprintf(stderr, "%s\n", PQerrorMessage(dbconn));
+ logthing(LOGTHING_CRITICAL, "Connection to database failed.");
+ logthing(LOGTHING_CRITICAL, "%s", PQerrorMessage(dbconn));
PQfinish(dbconn);
dbconn = NULL;
exit(1);
* This function should be called upon program exit to allow the DB to
* cleanup after itself.
*/
-void cleanupdb(void)
+static void pg_cleanupdb(void)
{
PQfinish(dbconn);
dbconn = NULL;
* operations on the database to help speed it all up, or if we want
* something to only succeed if all relevant operations are successful.
*/
-bool starttrans(void)
+static bool pg_starttrans(void)
{
PGresult *result = NULL;
*
* Ends a transaction.
*/
-void endtrans(void)
+static void pg_endtrans(void)
{
PGresult *result = NULL;
* in and then parse_keys() to parse the packets into a publickey
* structure.
*/
-int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, bool intrans)
+static int pg_fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
+ bool intrans)
{
struct openpgp_packet_list *packets = NULL;
PGresult *result = NULL;
if (keyid > 0xFFFFFFFF) {
snprintf(statement, 1023,
- "SELECT keydata FROM onak_keys WHERE keyid = '%llX'",
+ "SELECT keydata FROM onak_keys WHERE keyid = '%"
+ PRIX64 "'",
keyid);
} else {
snprintf(statement, 1023,
"SELECT keydata FROM onak_keys WHERE keyid "
- "LIKE '%%%llX'",
+ "LIKE '%%%" PRIX64 "'",
keyid);
}
result = PQexec(dbconn, statement);
fd = lo_open(dbconn, key_oid, INV_READ);
if (fd < 0) {
- fprintf(stderr, "Can't open large object.\n");
+ logthing(LOGTHING_ERROR,
+ "Can't open large object.");
} else {
read_openpgp_stream(keydb_fetchchar, &fd,
- &packets);
+ &packets, 0);
parse_keys(packets, publickey);
lo_close(dbconn, fd);
+ free_packet_list(packets);
+ packets = NULL;
}
}
} else if (PQresultStatus(result) != PGRES_TUPLES_OK) {
- fprintf(stderr, "Problem retrieving key from DB.\n");
+ logthing(LOGTHING_ERROR, "Problem retrieving key from DB.");
}
PQclear(result);
* This function searches for the supplied text and returns the keys that
* contain it.
*/
-int fetch_key_text(const char *search, struct openpgp_publickey **publickey)
+static int pg_fetch_key_text(const char *search,
+ struct openpgp_publickey **publickey)
{
struct openpgp_packet_list *packets = NULL;
PGresult *result = NULL;
newsearch = malloc(strlen(search) * 2 + 1);
memset(newsearch, 0, strlen(search) * 2 + 1);
- PQescapeString(newsearch, search, strlen(search));
+ PQescapeStringConn(dbconn, newsearch, search, strlen(search), NULL);
snprintf(statement, 1023,
"SELECT DISTINCT onak_keys.keydata FROM onak_keys, "
"onak_uids WHERE onak_keys.keyid = onak_uids.keyid "
fd = lo_open(dbconn, key_oid, INV_READ);
if (fd < 0) {
- fprintf(stderr, "Can't open large object.\n");
+ logthing(LOGTHING_ERROR,
+ "Can't open large object.");
} else {
read_openpgp_stream(keydb_fetchchar, &fd,
- &packets);
+ &packets,
+ 0);
parse_keys(packets, publickey);
lo_close(dbconn, fd);
+ free_packet_list(packets);
+ packets = NULL;
}
}
} else if (PQresultStatus(result) != PGRES_TUPLES_OK) {
- fprintf(stderr, "Problem retrieving key from DB.\n");
+ logthing(LOGTHING_ERROR, "Problem retrieving key from DB.");
}
PQclear(result);
return (numkeys);
}
+/**
+ * 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.
+ */
+static int pg_delete_key(uint64_t keyid, bool intrans)
+{
+ PGresult *result = NULL;
+ char *oids = NULL;
+ char statement[1024];
+ int found = 1;
+ int i;
+ Oid key_oid;
+
+ if (!intrans) {
+ result = PQexec(dbconn, "BEGIN");
+ PQclear(result);
+ }
+
+ snprintf(statement, 1023,
+ "SELECT keydata FROM onak_keys WHERE keyid = '%"
+ PRIX64 "'",
+ keyid);
+ result = PQexec(dbconn, statement);
+
+ if (PQresultStatus(result) == PGRES_TUPLES_OK) {
+ found = 0;
+ i = PQntuples(result);
+ while (i > 0) {
+ oids = PQgetvalue(result, i-1, 0);
+ key_oid = (Oid) atoi(oids);
+ lo_unlink(dbconn, key_oid);
+ i--;
+ }
+ PQclear(result);
+
+ snprintf(statement, 1023,
+ "DELETE FROM onak_keys WHERE keyid = '%" PRIX64 "'",
+ keyid);
+ result = PQexec(dbconn, statement);
+ PQclear(result);
+
+ snprintf(statement, 1023,
+ "DELETE FROM onak_sigs WHERE signee = '%" PRIX64 "'",
+ keyid);
+ result = PQexec(dbconn, statement);
+ PQclear(result);
+
+ snprintf(statement, 1023,
+ "DELETE FROM onak_uids WHERE keyid = '%" PRIX64 "'",
+ keyid);
+ result = PQexec(dbconn, statement);
+ } else if (PQresultStatus(result) != PGRES_TUPLES_OK) {
+ logthing(LOGTHING_ERROR,
+ "Problem retrieving key (%" PRIX64
+ ") from DB.",
+ keyid);
+ }
+
+ PQclear(result);
+
+ if (!intrans) {
+ result = PQexec(dbconn, "COMMIT");
+ PQclear(result);
+ }
+ return (found);
+}
+
/**
* store_key - Takes a key and stores it.
* @publickey: A pointer to the public key to store.
* 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.
+ * the file. If update is true then we delete the old key first, otherwise
+ * we trust that it doesn't exist.
*/
-int store_key(struct openpgp_publickey *publickey, bool intrans, bool update)
+static int pg_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;
+ struct openpgp_signedpacket_list *curuid = NULL;
PGresult *result = NULL;
char statement[1024];
Oid key_oid;
char *primary = NULL;
char *safeuid = NULL;
int i;
+ uint64_t keyid;
if (!intrans) {
result = PQexec(dbconn, "BEGIN");
PQclear(result);
}
+ get_keyid(publickey, &keyid);
+
/*
* Delete the key if we already have it.
*
* it definitely needs updated.
*/
if (update) {
- delete_key(get_keyid(publickey), true);
+ pg_delete_key(keyid, true);
}
next = publickey->next;
key_oid = lo_creat(dbconn, INV_READ | INV_WRITE);
if (key_oid == 0) {
- fprintf(stderr, "Can't create key OID\n");
+ logthing(LOGTHING_ERROR, "Can't create key OID");
} else {
fd = lo_open(dbconn, key_oid, INV_WRITE);
write_openpgp_stream(keydb_putchar, &fd, packets);
lo_close(dbconn, fd);
}
+ free_packet_list(packets);
+ packets = NULL;
snprintf(statement, 1023,
"INSERT INTO onak_keys (keyid, keydata) VALUES "
- "('%llX', '%d')",
- get_keyid(publickey),
+ "('%" PRIX64 "', '%d')",
+ keyid,
key_oid);
result = PQexec(dbconn, statement);
if (PQresultStatus(result) != PGRES_COMMAND_OK) {
- fprintf(stderr, "Problem storing key in DB.\n");
- fprintf(stderr, "%s\n", PQresultErrorMessage(result));
+ logthing(LOGTHING_ERROR, "Problem storing key in DB.");
+ logthing(LOGTHING_ERROR, "%s", PQresultErrorMessage(result));
}
PQclear(result);
safeuid = malloc(strlen(uids[i]) * 2 + 1);
if (safeuid != NULL) {
memset(safeuid, 0, strlen(uids[i]) * 2 + 1);
- PQescapeString(safeuid, uids[i],
- strlen(uids[i]));
+ PQescapeStringConn(dbconn, safeuid, uids[i],
+ strlen(uids[i]), NULL);
snprintf(statement, 1023,
"INSERT INTO onak_uids "
"(keyid, uid, pri) "
- "VALUES ('%llX', '%s', '%c')",
- get_keyid(publickey),
+ "VALUES ('%" PRIX64 "', '%s', '%c')",
+ keyid,
safeuid,
(uids[i] == primary) ? 't' : 'f');
result = PQexec(dbconn, statement);
}
if (PQresultStatus(result) != PGRES_COMMAND_OK) {
- fprintf(stderr, "Problem storing key in DB.\n");
- fprintf(stderr, "%s\n",
+ logthing(LOGTHING_ERROR,
+ "Problem storing key in DB.");
+ logthing(LOGTHING_ERROR, "%s",
PQresultErrorMessage(result));
}
/*
uids = NULL;
}
+ for (curuid = publickey->uids; curuid != NULL; curuid = curuid->next) {
+ for (packets = curuid->sigs; packets != NULL;
+ packets = packets->next) {
+ snprintf(statement, 1023,
+ "INSERT INTO onak_sigs (signer, signee) "
+ "VALUES ('%" PRIX64 "', '%" PRIX64 "')",
+ sig_keyid(packets->packet),
+ keyid);
+ result = PQexec(dbconn, statement);
+ PQclear(result);
+ }
+ }
+
if (!intrans) {
result = PQexec(dbconn, "COMMIT");
PQclear(result);
}
/**
- * delete_key - Given a keyid delete the key from storage.
- * @keyid: The keyid to delete.
- * @intrans: If we're already in a transaction.
+ * keyid2uid - Takes a keyid and returns the primary UID for it.
+ * @keyid: The keyid to lookup.
+ */
+static char *pg_keyid2uid(uint64_t keyid)
+{
+ PGresult *result = NULL;
+ char statement[1024];
+ char *uid = NULL;
+
+ snprintf(statement, 1023,
+ "SELECT uid FROM onak_uids WHERE keyid = '%" PRIX64
+ "' AND pri = 't'",
+ keyid);
+ result = PQexec(dbconn, statement);
+
+ /*
+ * Technically we only expect one response to the query; a key only has
+ * one primary ID. Better to return something than nothing though.
+ *
+ * TODO: Log if we get more than one response? Needs logging framework
+ * first though.
+ */
+ if (PQresultStatus(result) == PGRES_TUPLES_OK &&
+ PQntuples(result) >= 1) {
+ uid = strdup(PQgetvalue(result, 0, 0));
+ } else if (PQresultStatus(result) != PGRES_TUPLES_OK) {
+ logthing(LOGTHING_ERROR,
+ "Problem retrieving key (%" PRIX64
+ ") from DB.",
+ keyid);
+ }
+
+ PQclear(result);
+
+ return uid;
+}
+
+/**
+ * getkeysigs - Gets a linked list of the signatures on a key.
+ * @keyid: The keyid to get the sigs for.
+ * @revoked: If the key is revoked.
*
- * This function deletes a public key from whatever storage mechanism we
- * are using. Returns 0 if the key existed.
+ * This function gets the list of signatures on a key. Used for key
+ * indexing and doing stats bits.
*/
-int delete_key(uint64_t keyid, bool intrans)
+static struct ll *pg_getkeysigs(uint64_t keyid, bool *revoked)
{
+ struct ll *sigs = NULL;
PGresult *result = NULL;
- char *oids = NULL;
+ uint64_t signer;
char statement[1024];
- int found = 1;
- int i;
- Oid key_oid;
+ int i, j;
+ int numsigs = 0;
+ bool intrans = false;
+ char *str;
if (!intrans) {
result = PQexec(dbconn, "BEGIN");
PQclear(result);
}
-
+
snprintf(statement, 1023,
- "SELECT keydata FROM onak_keys WHERE keyid = '%llX'",
- keyid);
+ "SELECT DISTINCT signer FROM onak_sigs WHERE signee = '%"
+ PRIX64 "'",
+ keyid);
result = PQexec(dbconn, statement);
if (PQresultStatus(result) == PGRES_TUPLES_OK) {
- found = 0;
- i = PQntuples(result);
- while (i > 0) {
- oids = PQgetvalue(result, i-1, 0);
- key_oid = (Oid) atoi(oids);
- lo_unlink(dbconn, key_oid);
- i--;
+ numsigs = PQntuples(result);
+ for (i = 0; i < numsigs; i++) {
+ j = 0;
+ signer = 0;
+ str = PQgetvalue(result, i, 0);
+ while (str[j] != 0) {
+ signer <<= 4;
+ if (str[j] >= '0' && str[j] <= '9') {
+ signer += str[j] - '0';
+ } else {
+ signer += str[j] - 'A' + 10;
+ }
+ j++;
+ }
+ sigs = lladd(sigs, createandaddtohash(signer));
}
- PQclear(result);
-
- snprintf(statement, 1023,
- "DELETE FROM onak_keys WHERE keyid = '%llX'",
- keyid);
- result = PQexec(dbconn, statement);
- PQclear(result);
-
- snprintf(statement, 1023,
- "DELETE FROM onak_uids WHERE keyid = '%llX'",
- keyid);
- result = PQexec(dbconn, statement);
} else if (PQresultStatus(result) != PGRES_TUPLES_OK) {
- fprintf(stderr, "Problem retrieving key (%llX) from DB.\n",
- keyid);
+ logthing(LOGTHING_ERROR, "Problem retrieving key from DB.");
}
PQclear(result);
result = PQexec(dbconn, "COMMIT");
PQclear(result);
}
- return (found);
+
+ /*
+ * TODO: What do we do about revocations? We don't have the details
+ * stored in a separate table, so we'd have to grab the key and decode
+ * it, which we're trying to avoid by having a signers table.
+ */
+ if (revoked != NULL) {
+ *revoked = false;
+ }
+
+ return sigs;
}
/**
- * keyid2uid - Takes a keyid and returns the primary UID for it.
- * @keyid: The keyid to lookup.
+ * 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.
*/
-char *keyid2uid(uint64_t keyid)
+static int pg_iterate_keys(void (*iterfunc)(void *ctx,
+ struct openpgp_publickey *key), void *ctx)
{
+ struct openpgp_packet_list *packets = NULL;
+ struct openpgp_publickey *key = NULL;
PGresult *result = NULL;
- char statement[1024];
- char *uid = NULL;
+ char *oids = NULL;
+ int fd = -1;
+ int i = 0;
+ int numkeys = 0;
+ Oid key_oid;
- snprintf(statement, 1023,
- "SELECT uid FROM onak_uids WHERE keyid = '%llX' AND pri = 't'",
- keyid);
- result = PQexec(dbconn, statement);
+ result = PQexec(dbconn, "SELECT keydata FROM onak_keys;");
- /*
- * Technically we only expect one response to the query; a key only has
- * one primary ID. Better to return something than nothing though.
- *
- * TODO: Log if we get more than one response? Needs logging framework
- * first though.
- */
- if (PQresultStatus(result) == PGRES_TUPLES_OK &&
- PQntuples(result) >= 1) {
- uid = strdup(PQgetvalue(result, 0, 0));
+ if (PQresultStatus(result) == PGRES_TUPLES_OK) {
+ numkeys = PQntuples(result);
+ for (i = 0; i < numkeys; i++) {
+ oids = PQgetvalue(result, i, 0);
+ key_oid = (Oid) atoi(oids);
+
+ fd = lo_open(dbconn, key_oid, INV_READ);
+ if (fd < 0) {
+ logthing(LOGTHING_ERROR,
+ "Can't open large object.");
+ } else {
+ read_openpgp_stream(keydb_fetchchar, &fd,
+ &packets, 0);
+ parse_keys(packets, &key);
+ lo_close(dbconn, fd);
+
+ iterfunc(ctx, key);
+
+ free_publickey(key);
+ key = NULL;
+ free_packet_list(packets);
+ packets = NULL;
+ }
+ }
} else if (PQresultStatus(result) != PGRES_TUPLES_OK) {
- fprintf(stderr, "Problem retrieving key (%llX) from DB.\n",
- keyid);
+ logthing(LOGTHING_ERROR, "Problem retrieving key from DB.");
}
PQclear(result);
- return uid;
+ return (numkeys);
}
/*
* Include the basic keydb routines.
*/
-#define NEED_GETKEYSIGS 1
#define NEED_GETFULLKEYID 1
+#define NEED_UPDATEKEYS 1
#include "keydb.c"
+
+struct dbfuncs keydb_pg_funcs = {
+ .initdb = pg_initdb,
+ .cleanupdb = pg_cleanupdb,
+ .starttrans = pg_starttrans,
+ .endtrans = pg_endtrans,
+ .fetch_key = pg_fetch_key,
+ .fetch_key_text = pg_fetch_key_text,
+ .store_key = pg_store_key,
+ .update_keys = generic_update_keys,
+ .delete_key = pg_delete_key,
+ .getkeysigs = pg_getkeysigs,
+ .cached_getkeysigs = generic_cached_getkeysigs,
+ .keyid2uid = pg_keyid2uid,
+ .getfullkeyid = generic_getfullkeyid,
+ .iterate_keys = pg_iterate_keys,
+};
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