[Pkg-gnupg-commit] [gnupg2] 21/118: g10: If a key has no valid user ids, change TOFU to return TRUST_NEVER.
Daniel Kahn Gillmor
dkg at fifthhorseman.net
Thu Sep 15 18:25:00 UTC 2016
This is an automated email from the git hooks/post-receive script.
dkg pushed a commit to branch encoding-and-speling
in repository gnupg2.
commit d0451440c036106895a291f9ca1c53c2d5159f8f
Author: Neal H. Walfield <neal at g10code.com>
Date: Tue Aug 30 12:36:55 2016 +0200
g10: If a key has no valid user ids, change TOFU to return TRUST_NEVER.
* g10/tofu.c (tofu_get_validity): If a key has no valid (non-expired)
user ids, change TOFU to return TRUST_NEVER.
--
Signed-off-by: Neal H. Walfield <neal at g10code.com>
---
g10/tofu.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/g10/tofu.c b/g10/tofu.c
index da09cd5..055f68d 100644
--- a/g10/tofu.c
+++ b/g10/tofu.c
@@ -2444,6 +2444,8 @@ tofu_get_validity (ctrl_t ctrl, PKT_public_key *pk, strlist_t user_id_list,
char *fingerprint = NULL;
strlist_t user_id;
int trust_level = TRUST_UNKNOWN;
+ int bindings = 0;
+ int bindings_valid = 0;
dbs = opendbs (ctrl);
if (! dbs)
@@ -2457,7 +2459,7 @@ tofu_get_validity (ctrl_t ctrl, PKT_public_key *pk, strlist_t user_id_list,
begin_transaction (ctrl, 0);
- for (user_id = user_id_list; user_id; user_id = user_id->next)
+ for (user_id = user_id_list; user_id; user_id = user_id->next, bindings ++)
{
char *email = email_from_user_id (user_id->d);
@@ -2481,6 +2483,9 @@ tofu_get_validity (ctrl_t ctrl, PKT_public_key *pk, strlist_t user_id_list,
if (user_id->flags)
tl = TRUST_EXPIRED;
+ if (tl != TRUST_EXPIRED)
+ bindings_valid ++;
+
if (may_ask && tl != TRUST_ULTIMATE && tl != TRUST_EXPIRED)
show_statistics (dbs, fingerprint, email, user_id->d, NULL, NULL);
@@ -2512,6 +2517,16 @@ tofu_get_validity (ctrl_t ctrl, PKT_public_key *pk, strlist_t user_id_list,
end_transaction (ctrl, 0);
xfree (fingerprint);
+
+ if (bindings_valid == 0)
+ {
+ if (DBG_TRUST)
+ log_debug ("no (of %d) valid bindings."
+ " Can't get TOFU validity for this set of user ids.\n",
+ bindings);
+ return TRUST_NEVER;
+ }
+
return trust_level;
}
--
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