X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/0f4971d043c38bae1bfb95201622a1405110f899..5538c5782135666d73f7615a37ea9689afa07dcd:/keydb_pg.c

diff --git a/keydb_pg.c b/keydb_pg.c
index ade6bfd..5933c91 100644
--- a/keydb_pg.c
+++ b/keydb_pg.c
@@ -3,16 +3,12 @@
  *
  * Jonathan McDowell <noodles@earth.li>
  *
- * Copyright 2002 Project Purple
- *
- * $Id: keydb_pg.c,v 1.10 2003/06/04 20:57:09 noodles Exp $
+ * Copyright 2002-2004 Project Purple
  */
 
 #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>
@@ -42,7 +38,7 @@ static PGconn *dbconn = NULL;
  */
 static int keydb_fetchchar(void *fd, size_t count, unsigned char *c)
 {
-	return (!lo_read(dbconn, *(int *) fd, c, count));
+	return (!lo_read(dbconn, *(int *) fd, (char *) c, count));
 }
 
 /**
@@ -50,7 +46,7 @@ static int keydb_fetchchar(void *fd, size_t count, unsigned char *c)
  */
 static int keydb_putchar(void *fd, size_t count, unsigned char *c)
 {
-	return !(lo_write(dbconn, *(int *) fd, c, count));
+	return !(lo_write(dbconn, *(int *) fd, (char *) c, count));
 }
 
 /**
@@ -60,7 +56,7 @@ static int keydb_putchar(void *fd, size_t count, unsigned char *c)
  *	this file are called in order to allow the DB to be initialized ready
  *	for access.
  */
-void initdb(void)
+void initdb(bool readonly)
 {
 	dbconn = PQsetdbLogin(config.pg_dbhost, // host
 			NULL, // port
@@ -176,7 +172,7 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
 						"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);
@@ -243,7 +239,8 @@ int fetch_key_text(const char *search, struct openpgp_publickey **publickey)
 						"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);
@@ -504,11 +501,12 @@ char *keyid2uid(uint64_t keyid)
 /**
  *	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 gets the list of signatures on a key. Used for key 
  *	indexing and doing stats bits.
  */
-struct ll *getkeysigs(uint64_t keyid)
+struct ll *getkeysigs(uint64_t keyid, bool *revoked)
 {
 	struct ll *sigs = NULL;
 	PGresult *result = NULL;
@@ -556,11 +554,81 @@ struct ll *getkeysigs(uint64_t keyid)
 		result = PQexec(dbconn, "COMMIT");
 		PQclear(result);
 	}
+
+	/*
+	 * 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;
 }
 
+/**
+ *	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.
+ */
+int 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 *oids = NULL;
+	char statement[1024];
+	int fd = -1;
+	int i = 0;
+	int numkeys = 0;
+	Oid key_oid;
+
+	result = PQexec(dbconn, "SELECT keydata FROM onak_keys;");
+
+	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) {
+		logthing(LOGTHING_ERROR, "Problem retrieving key from DB.");
+	}
+
+	PQclear(result);
+
+	return (numkeys);
+}
+
 /*
  * Include the basic keydb routines.
  */
 #define NEED_GETFULLKEYID 1
+#define NEED_UPDATEKEYS 1
 #include "keydb.c"