Remove bashism from postrm (Debian packaging)

[onak.git] / keydb_pg.c

diff --git a/keydb_pg.c b/keydb_pg.c
index c643a79a57c38bd9e44305daec3af1a0282e6fee..5933c91381647f4fb837c3de4ea859aafb9d59f9 100644 (file)
--- 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 1.11 2003/06/05 07:32:00 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;
@@ -556,26 +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;
 }
 
 /**
- *     dumpdb - dump the key database
- *     @filenamebase: The base filename to use for the dump.
+ *     iterate_keys - call a function once for each key in the db.
+ *     @iterfunc: The function to call.
+ *     @ctx: A context pointer
  *
- *     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)
+ *     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)
 {
-       return 0;
+       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"