X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/2f1b865faa5a6fbd809caa7c70f9b4dddfa35947..2f1e9ae7c4d8f893de7ffe03fcb36b905ffe0f96:/merge.c

diff --git a/merge.c b/merge.c
index 33924f0..be97eb4 100644
--- a/merge.c
+++ b/merge.c
@@ -3,10 +3,9 @@
  *
  * Jonathan McDowell <noodles@earth.li>
  *
- * Copyright 2002 Project Purple
+ * Copyright 2002-2005 Project Purple
  */
 
-#include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -44,7 +43,20 @@ bool compare_packets(struct openpgp_packet *a, struct openpgp_packet *b)
  */
 bool compare_signatures(struct openpgp_packet *a, struct openpgp_packet *b)
 {
-	return (sig_keyid(a) == sig_keyid(b));
+	uint64_t a_keyid, b_keyid;
+	time_t a_creation, b_creation;
+
+	if (a->data[0] != b->data[0]) {
+		/* Different signature versions, so not the same */
+		return false;
+	} else if (a->data[0] == 4 && a->data[1] != b->data[1]) {
+		/* Type 4 signature, but different types */
+		return false;
+	} else {
+		sig_info(a, &a_keyid, &a_creation);
+		sig_info(b, &b_keyid, &b_creation);
+		return (a_creation == b_creation) && (a_keyid == b_keyid);
+	}
 }
 
 /**
@@ -147,7 +159,9 @@ bool remove_signed_packet(struct openpgp_signedpacket_list **packet_list,
 			if (cur->next == NULL) {
 				*list_end = prev;
 			}
-			// TODO: Free the removed signed packet...
+			/*
+			 * TODO: Free the removed signed packet...
+			 */
 		}
 		prev = cur;
 	}
@@ -172,7 +186,7 @@ int merge_packet_sigs(struct openpgp_signedpacket_list *old,
 	struct openpgp_packet_list	*curpacket = NULL;
 	struct openpgp_packet_list	*nextpacket = NULL;
 
-	assert(compare_packets(old->packet, new->packet));
+	log_assert(compare_packets(old->packet, new->packet));
 
 	curpacket = new->sigs;
 	while (curpacket != NULL) {
@@ -192,7 +206,7 @@ int merge_packet_sigs(struct openpgp_signedpacket_list *old,
 			if (lastpacket != NULL) {
 				lastpacket->next = curpacket->next;
 			} else {
-				assert(curpacket == new->sigs);
+				log_assert(curpacket == new->sigs);
 				new->sigs = curpacket->next;
 			}
 			curpacket->next = NULL;
@@ -304,12 +318,12 @@ int merge_keys(struct openpgp_publickey *a, struct openpgp_publickey *b)
 		/*
 		 * Key IDs are the same, so I guess we have to merge them.
 		 */
-		curpacket = b->revocations;
+		curpacket = b->sigs;
 		while (curpacket != NULL) {
 			nextpacket = curpacket->next;
-			if (find_packet(a->revocations, curpacket->packet)) {
+			if (find_packet(a->sigs, curpacket->packet)) {
 				/*
-				 * We already have this revocation, remove it
+				 * We already have this signature, remove it
 				 * from the difference list and free the memory
 				 * allocated for it.
 				 */
@@ -317,8 +331,8 @@ int merge_keys(struct openpgp_publickey *a, struct openpgp_publickey *b)
 				if (lastpacket != NULL) {
 					lastpacket->next = curpacket->next;
 				} else {
-					assert(curpacket == b->revocations);
-					b->revocations = curpacket->next;
+					log_assert(curpacket == b->sigs);
+					b->sigs = curpacket->next;
 				}
 				curpacket->next = NULL;
 				free_packet_list(curpacket);
@@ -328,15 +342,15 @@ int merge_keys(struct openpgp_publickey *a, struct openpgp_publickey *b)
 			}
 			curpacket = nextpacket;
 		}
-		b->last_revocation = lastpacket;
+		b->last_sig = lastpacket;
 
 		/*
-		 * Anything left on b->revocations doesn't exist on
-		 * a->revocations, so add them to the list.
+		 * Anything left on b->sigs doesn't exist on
+		 * a->sigs, so add them to the list.
 		 */
-		packet_list_add(&a->revocations,
-				&a->last_revocation,
-				b->revocations);
+		packet_list_add(&a->sigs,
+				&a->last_sig,
+				b->sigs);
 
 		/*
 		 * Merge uids (signed list).
@@ -349,70 +363,13 @@ int merge_keys(struct openpgp_publickey *a, struct openpgp_publickey *b)
 
 	}
 
-	return rc;
-}
-
-/**
- *	update_keys - Takes a list of public keys and updates them in the DB.
- *	@keys: The keys to update in the DB.
- *
- *	Takes a list of keys and adds them to the database, merging them with
- *	the key in the database if it's already present there. The key list is
- *	update to contain the minimum set of updates required to get from what
- *	we had before to what we have now (ie the set of data that was added to
- *	the DB). Returns the number of entirely new keys added.
- */
-int update_keys(struct openpgp_publickey **keys)
-{
-	struct openpgp_publickey *curkey = NULL;
-	struct openpgp_publickey *oldkey = NULL;
-	struct openpgp_publickey *prev = NULL;
-	int newkeys = 0;
-	bool intrans;
-
-	for (curkey = *keys; curkey != NULL; curkey = curkey->next) {
-		intrans = starttrans();
-		logthing(LOGTHING_INFO,
-			"Fetching key 0x%llX, result: %d",
-			get_keyid(curkey),
-			fetch_key(get_keyid(curkey), &oldkey, intrans));
-
-		/*
-		 * If we already have the key stored in the DB then merge it
-		 * with the new one that's been supplied. Otherwise the key
-		 * we've just got is the one that goes in the DB and also the
-		 * one that we send out.
-		 */
-		if (oldkey != NULL) {
-			merge_keys(oldkey, curkey);
-			if (curkey->revocations == NULL &&
-					curkey->uids == NULL &&
-					curkey->subkeys == NULL) {
-				if (prev == NULL) {
-					*keys = curkey->next;
-				} else {
-					prev->next = curkey->next;
-					curkey->next = NULL;
-					free_publickey(curkey);
-					curkey = prev;
-				}
-			} else {
-				prev = curkey;
-				logthing(LOGTHING_INFO,
-					"Merged key; storing updated key.");
-				store_key(oldkey, intrans, true);
-			}
-			free_publickey(oldkey);
-			oldkey = NULL;
-		} else {
-			logthing(LOGTHING_INFO,
-				"Storing completely new key.");
-			store_key(curkey, intrans, false);
-			newkeys++;
-		}
-		endtrans();
-		intrans = false;
+	/*
+	 * If either key was revoked, make sure both the new ones are marked as
+	 * being so.
+	 */
+	if (a->revoked || b->revoked) {
+		a->revoked = b->revoked = true;
 	}
 
-	return newkeys;
+	return rc;
 }