[Pkg-gnupg-commit] [gnupg2] 06/180: g10: Add a convenience function for checking if a key is a primary key

[Daniel Kahn Gillmor]

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dkg pushed a commit to branch master
in repository gnupg2.

commit 91a0483c5db8ee4510981448a705981ee1cce199
Author: Neal H. Walfield <neal at g10code.com>
Date:   Mon Nov 21 16:19:32 2016 +0100

    g10: Add a convenience function for checking if a key is a primary key
    
    * g10/keydb.h (pk_is_primary): New function.
    * g10/tofu.c (get_trust): Use it.
    (tofu_register_signature): Likewise.
    (tofu_register_encryption): Likewise.
    (tofu_set_policy): Likewise.
    (tofu_get_policy): Likewise.
    
    Signed-off-by: Neal H. Walfield <neal at g10code.com>
---
 g10/keydb.h |  7 +++++++
 g10/tofu.c  | 13 ++++++-------
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/g10/keydb.h b/g10/keydb.h
index 815b17e..e4fbe27 100644
--- a/g10/keydb.h
+++ b/g10/keydb.h
@@ -433,6 +433,13 @@ keyid_cmp (const u32 *a, const u32 *b)
   return 0;
 }
 
+/* Return whether PK is a primary key.  */
+static int GPGRT_ATTR_UNUSED
+pk_is_primary (PKT_public_key *pk)
+{
+  return keyid_cmp (pk_keyid (pk), pk_main_keyid (pk)) == 0;
+}
+
 /* Copy the keyid in SRC to DEST and return DEST.  */
 u32 *keyid_copy (u32 *dest, const u32 *src);
 
diff --git a/g10/tofu.c b/g10/tofu.c
index 2c9d17c..05d171d 100644
--- a/g10/tofu.c
+++ b/g10/tofu.c
@@ -2186,7 +2186,7 @@ get_trust (ctrl_t ctrl, PKT_public_key *pk,
   if (opt.batch)
     may_ask = 0;
 
-  log_assert (keyid_cmp (pk_keyid (pk), pk_main_keyid (pk)) == 0);
+  log_assert (pk_is_primary (pk));
 
   /* Make sure _tofu_GET_TRUST_ERROR isn't equal to any of the trust
      levels.  */
@@ -3009,7 +3009,7 @@ tofu_register_signature (ctrl_t ctrl,
   if (rc)
     return rc;
 
-  log_assert (keyid_cmp (pk_keyid (pk), pk_main_keyid (pk)) == 0);
+  log_assert (pk_is_primary (pk));
 
   sig_digest = make_radix64_string (sig_digest_bin, sig_digest_bin_len);
   fingerprint = hexfingerprint (pk, NULL, 0);
@@ -3155,13 +3155,13 @@ tofu_register_encryption (ctrl_t ctrl,
     }
 
   if (/* We need the key block to find the primary key.  */
-      keyid_cmp (pk_keyid (pk), pk_main_keyid (pk)) != 0
+      ! pk_is_primary (pk)
       /* We need the key block to find all user ids.  */
       || ! user_id_list)
     kb = get_pubkeyblock (pk->keyid);
 
   /* Make sure PK is a primary key.  */
-  if (keyid_cmp (pk_keyid (pk), pk_main_keyid (pk)) != 0)
+  if (! pk_is_primary (pk))
     pk = kb->pkt->pkt.public_key;
 
   if (! user_id_list)
@@ -3485,7 +3485,7 @@ tofu_set_policy (ctrl_t ctrl, kbnode_t kb, enum tofu_policy policy)
   if (DBG_TRUST)
     log_debug ("Setting TOFU policy for %s to %s\n",
 	       keystr (pk->keyid), tofu_policy_str (policy));
-  if (keyid_cmp (pk_main_keyid (pk), pk_keyid (pk)) != 0)
+  if (! pk_is_primary (pk))
     log_bug ("%s: Passed a subkey, but expecting a primary key.\n", __func__);
 
   fingerprint = hexfingerprint (pk, NULL, 0);
@@ -3563,8 +3563,7 @@ tofu_get_policy (ctrl_t ctrl, PKT_public_key *pk, PKT_user_id *user_id,
   char *email;
 
   /* Make sure PK is a primary key.  */
-  log_assert (pk->main_keyid[0] == pk->keyid[0]
-              && pk->main_keyid[1] == pk->keyid[1]);
+  log_assert (pk_is_primary (pk));
 
   dbs = opendbs (ctrl);
   if (! dbs)

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