cscvs to tla changeset 103

[onak.git] / parsekey.c

diff --git a/parsekey.c b/parsekey.c
index a98e8cc7952277a90e2e9f2994ad097dafc28d3d..b492937dd8289a167df4a323baf3a786d83021e7 100644 (file)
--- a/parsekey.c
+++ b/parsekey.c
@@ -5,7 +5,7 @@
  *
  * Copyright 2002 Project Purple
  *
- * $Id: parsekey.c,v 1.9 2003/09/28 21:07:49 noodles Exp $
+ * $Id: parsekey.c,v 1.14 2003/09/30 21:59:33 noodles Exp $
  */
 
 #include <assert.h>
@@ -162,6 +162,7 @@ int debug_packet(struct openpgp_packet *packet)
  *     @getchar_func: The function to get the next character from the stream.
  *     @ctx: A pointer to the context structure for getchar_func.
  *     @packets: The outputted list of packets.
+ *     @maxnum: The maximum number of keys to read. 0 means unlimited.
  *
  *     This function uses getchar_func to read characters from an OpenPGP
  *     packet stream and reads the packets into a linked list of packets
@@ -170,17 +171,26 @@ int debug_packet(struct openpgp_packet *packet)
 int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count,
                                unsigned char *c),
                                void *ctx,
-                               struct openpgp_packet_list **packets)
+                               struct openpgp_packet_list **packets,
+                               int maxnum)
 {
        unsigned char                    curchar = 0;
        unsigned long                    count = 0;
        struct openpgp_packet_list      *curpacket = NULL;
        int                              rc = 0;
+       int                              keys = 0;
        bool                             inpacket = false;
 
        assert(packets != NULL);
+       curpacket = *packets;
+       if (curpacket != NULL) {
+               while (curpacket->next != NULL) {
+                       curpacket = curpacket->next;
+               }
+       }
 
-       while (!rc && !getchar_func(ctx, 1, &curchar)) {
+       while (!rc && !getchar_func(ctx, 1, &curchar) &&
+                       (maxnum == 0 || keys < maxnum)) {
                if (!inpacket && (curchar & 0x80)) {
                        /*
                         * New packet. Record the fact we're in a packet and
@@ -219,7 +229,9 @@ int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count,
                                        curpacket->packet->length += 192;
                                } else if (curpacket->packet->length > 223 &&
                                        curpacket->packet->length < 255) {
-                                       printf("Partial length; not supported.\n");
+                                       logthing(LOGTHING_NOTICE,
+                                               "Partial length;"
+                                               " not supported.");
                                } else if (curpacket->packet->length == 255) {
                                        /*
                                         * 5 byte length; ie 255 followed by 3
@@ -275,6 +287,9 @@ int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count,
                        }
 
                        if (rc == 0) {
+                               if (curpacket->packet->tag == 6) {
+                                       keys++;
+                               }
                                curpacket->packet->data =
                                        malloc(curpacket->packet->length *
                                        sizeof(unsigned char));