X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/5913c95f2c7abf4c3cb06e27d384d80fb4c83547..8d14d66b84cc370cefe54b33de1b95bb49c90bf6:/merge.c diff --git a/merge.c b/merge.c index 7f1773e..be97eb4 100644 --- a/merge.c +++ b/merge.c @@ -3,18 +3,19 @@ * * Jonathan McDowell * - * Copyright 2002 Project Purple + * Copyright 2002-2005 Project Purple */ -#include #include #include +#include #include "decodekey.h" #include "keydb.h" #include "keyid.h" #include "keystructs.h" #include "ll.h" +#include "log.h" #include "mem.h" #include "merge.h" @@ -42,7 +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); + } } /** @@ -145,7 +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; } @@ -170,7 +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) { @@ -190,7 +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; @@ -302,12 +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. */ @@ -315,8 +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); @@ -326,15 +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). @@ -347,78 +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. - * @verbose: Should we output more information as we add keys? - * - * 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, bool verbose) -{ - 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(); - if (verbose) { - fprintf(stderr, "Fetching key 0x%llX, result: %d\n", - get_keyid(curkey), - fetch_key(get_keyid(curkey), &oldkey, intrans)); - } else { - 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; - if (verbose) { - fprintf(stderr, - "Merged key; storing updated key.\n"); - } - store_key(oldkey, intrans, true); - } - free_publickey(oldkey); - oldkey = NULL; - } else { - if (verbose) { - fprintf(stderr, - "Storing completely new key.\n"); - } - 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; }