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gpg: Allow multiple --default-key options. Take the last available key.

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* g10/getkey.c (parse_def_secret_key): New function.
(get_seckey_default): Add parameter ctrl.  Update callers.  Use
parse_def_secret_key to get the default secret key, if any.
(getkey_byname): Likewise.
(enum_secret_keys): Likewise.
* g10/options.h (opt): Change def_secret_key's type from a char * to a
strlist_t.
* g10/gpg.c (main): When processing --default-key, add the key to
OPT.DEF_SECRET_KEY.
* g10/gpgv.c (get_session_key): Add parameter ctrl.  Update callers.
* g10/mainproc.c (proc_pubkey_enc): Likewise.
(do_proc_packets): Likewise.
* g10/pkclist.c (default_recipient): Likewise.
* g10/pubkey-enc.c (get_session_key): Likewise.
* g10/sign.c (clearsign_file): Likewise.
(sign_symencrypt_file): Likewise.
* g10/skclist.c (build_sk_list): Likewise.
* g10/test-stubs.c (get_session_key): Likewise.

--
Signed-off-by: Neal H. Walield <neal@g10code.com>
GnuPG-bug-id: 806
This commit is contained in:
Neal H. Walfield 2015-11-03 23:15:27 +01:00
parent 1e94a672ef
commit e16d7168c5
16 changed files with 145 additions and 53 deletions
Download patch file Download diff file Expand all files Collapse all files

6
g10/pubkey-enc.c
View file

@ -72,7 +72,7 @@ is_algo_in_prefs (kbnode_t keyblock, preftype_t type, int algo)
* which should have been allocated in secure memory by the caller.
*/
gpg_error_t
get_session_key (PKT_pubkey_enc * k, DEK * dek)
get_session_key (ctrl_t ctrl, PKT_pubkey_enc * k, DEK * dek)
{
PKT_public_key *sk = NULL;
int rc;
@ -102,7 +102,7 @@ get_session_key (PKT_pubkey_enc * k, DEK * dek)
{
free_public_key (sk);
sk = xmalloc_clear (sizeof *sk);
rc = enum_secret_keys (&enum_context, sk);
rc = enum_secret_keys (ctrl, &enum_context, sk);
if (rc)
{
rc = GPG_ERR_NO_SECKEY;
@ -127,7 +127,7 @@ get_session_key (PKT_pubkey_enc * k, DEK * dek)
else if (gpg_err_code (rc) == GPG_ERR_FULLY_CANCELED)
break; /* Don't try any more secret keys. */
}
enum_secret_keys (&enum_context, NULL); /* free context */
enum_secret_keys (ctrl, &enum_context, NULL); /* free context */
}
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