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gpg: Put the first key in candidates correctly.

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* g10/getkey.c (get_best_pubkey_byname): After the call of
get_pubkey_byname, set up CTX with KEYDB_SEARCH_MODE_LONG_KID to enter
the loop.

--

Fixes-commit: 7535f1d47a35e30f736f0e842844555f7a4a9841
GnuPG-bug-id: 4713
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2019-10-15 19:18:26 +09:00
parent c933c15d58
commit 44604209c1
1 changed files with 18 additions and 19 deletions
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27
g10/getkey.c
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@ -1353,6 +1353,7 @@ get_best_pubkey_byname (ctrl_t ctrl, enum get_pubkey_modes mode,
struct getkey_ctx_s *ctx = NULL;
int is_mbox = is_valid_mailbox (name);
int wkd_tried = 0;
PKT_public_key *pk2;
log_assert (ret_keyblock != NULL);
@ -1361,12 +1362,9 @@ get_best_pubkey_byname (ctrl_t ctrl, enum get_pubkey_modes mode,
start_over:
if (ctx) /* Clear in case of a start over. */
{
if (ret_keyblock)
{
release_kbnode (*ret_keyblock);
*ret_keyblock = NULL;
}
getkey_end (ctrl, ctx);
ctx = NULL;
}
@ -1379,13 +1377,14 @@ get_best_pubkey_byname (ctrl_t ctrl, enum get_pubkey_modes mode,
return err;
}
pk2 = (*ret_keyblock)->pkt->pkt.public_key;
/* If the keyblock was retrieved from the local database and the key
* has expired, do further checks. However, we can do this only if
* the caller requested a keyblock. */
if (is_mbox && ctx && ctx->found_via_akl == AKL_LOCAL && ret_keyblock)
if (is_mbox && ctx && ctx->found_via_akl == AKL_LOCAL)
{
u32 now = make_timestamp ();
PKT_public_key *pk2 = (*ret_keyblock)->pkt->pkt.public_key;
int found;
/* If the key has expired and its origin was the WKD then try to
@ -1417,11 +1416,15 @@ get_best_pubkey_byname (ctrl_t ctrl, enum get_pubkey_modes mode,
struct pubkey_cmp_cookie best = { 0 };
struct pubkey_cmp_cookie new = { 0 };
kbnode_t new_keyblock;
u32 *keyid = pk_keyid (pk2);
copy_public_key (&new.key, (*ret_keyblock)->pkt->pkt.public_key);
new_keyblock = clone_kbnode (*ret_keyblock);
ctx->exact = 1;
ctx->nitems = 1;
ctx->items[0].mode = KEYDB_SEARCH_MODE_LONG_KID;
ctx->items[0].u.kid[0] = keyid[0];
ctx->items[0].u.kid[1] = keyid[1];
do
while (getkey_next (ctrl, ctx, &new.key, &new_keyblock) == 0)
{
int diff = pubkey_cmp (ctrl, name, &best, &new, new_keyblock);
release_kbnode (new_keyblock);
@ -1446,7 +1449,6 @@ get_best_pubkey_byname (ctrl_t ctrl, enum get_pubkey_modes mode,
}
new.uid = NULL;
}
while (getkey_next (ctrl, ctx, &new.key, &new_keyblock) == 0);
getkey_end (ctrl, ctx);
ctx = NULL;
@ -1455,7 +1457,7 @@ get_best_pubkey_byname (ctrl_t ctrl, enum get_pubkey_modes mode,
if (best.valid)
{
if (retctx || ret_keyblock)
if (1)
{
ctx = xtrycalloc (1, sizeof **retctx);
if (! ctx)
@ -1473,22 +1475,19 @@ get_best_pubkey_byname (ctrl_t ctrl, enum get_pubkey_modes mode,
}
else
{
u32 *keyid = pk_keyid (&best.key);
keyid = pk_keyid (&best.key);
ctx->exact = 1;
ctx->nitems = 1;
ctx->items[0].mode = KEYDB_SEARCH_MODE_LONG_KID;
ctx->items[0].u.kid[0] = keyid[0];
ctx->items[0].u.kid[1] = keyid[1];
if (ret_keyblock)
{
release_kbnode (*ret_keyblock);
*ret_keyblock = NULL;
err = getkey_next (ctrl, ctx, NULL, ret_keyblock);
}
}
}
}
if (pk)
{