From 64a378768de5a827873b118d8edafeb77d0fa347 Mon Sep 17 00:00:00 2001
From: joe <joe@jerkface.net>
Date: Mon, 4 Nov 2013 01:57:54 -0500
Subject: Fail to output a public key if the specification is ambiguous.

---
 kiki.hs | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/kiki.hs b/kiki.hs
index ab5a694..c76a89a 100644
--- a/kiki.hs
+++ b/kiki.hs
@@ -1095,7 +1095,8 @@ main = do
         let (pre, wk:subs) = seek_key (KeyGrip grip) sec
             (xs,ys) = seek_key (KeyTag wk sub) subs
         when (not (null ys)) $ do
-        let k = head ys
+        let (xs',ys') = seek_key (KeyTag wk sub) (tail ys)
+            k = head ys
             rsa = fromJust $ rsaKeyFromPacket k
             der = encodeASN1 DER (toASN1 rsa [])
             qq  = Base64.encode (L.unpack der)
@@ -1106,10 +1107,13 @@ main = do
         putStrLn $ show rsa
         putStrLn $ show der
         -}
-        putStr $ unlines (["-----BEGIN PUBLIC KEY-----"]
-                          ++split64 qq
-                          ++["-----END PUBLIC KEY-----"])
-        return ()
+        if null ys' 
+         then
+            putStr $ unlines (["-----BEGIN PUBLIC KEY-----"]
+                              ++split64 qq
+                              ++["-----END PUBLIC KEY-----"])
+         else
+            error "Key specification is ambiguous."
 
     doCmd cmd@(Add {}) = do
         ( homedir -- e3ozbhvej4jvlu43.onion/gpg/gnupghome
@@ -1360,9 +1364,12 @@ seek_key (KeyGrip grip) sec = (pre, subs)
     pred p@(SecretKeyPacket {}) = matchpr grip p == grip
     pred _                      = False
 
-seek_key (KeyTag key tag) ps = if null bs || null qs 
+seek_key (KeyTag key tag) ps = if null bs
                                 then (ps,[]) 
-                                else (reverse (tail qs), head qs : reverse rs ++ bs)
+                                else if null qs
+                                 then let (as',bs') = seek_key (KeyTag key tag) (tail bs)
+                                      in (as ++ (head bs:as'), bs')
+                                 else (reverse (tail qs), head qs : reverse rs ++ bs)
   where
     (as,bs) = break (\p -> isSignaturePacket p
                         && has_tag tag p 
-- 
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