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agent: Add option --force to the DELETE_KEY command.

Browse Source 
* agent/findkey.c (agent_delete_key): Add arg "force".
* agent/command.c (cmd_delete_key): Add option --force.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2015-08-07 12:55:29 +02:00
parent 9f31ab3d21
commit a68c5c5c7f
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
3 changed files with 58 additions and 52 deletions
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2
agent/agent.h
View File

@ -386,7 +386,7 @@ gpg_error_t agent_key_info_from_file (ctrl_t ctrl, const unsigned char *grip,
int *r_keytype,
unsigned char **r_shadow_info);
gpg_error_t agent_delete_key (ctrl_t ctrl, const char *desc_text,
const unsigned char *grip);
const unsigned char *grip, int force);
/*-- call-pinentry.c --*/
void initialize_module_call_pinentry (void);

8
agent/command.c
View File

@ -2388,27 +2388,29 @@ cmd_export_key (assuan_context_t ctx, char *line)
static const char hlp_delete_key[] =
"DELETE_KEY <hexstring_with_keygrip>\n"
"DELETE_KEY [--force] <hexstring_with_keygrip>\n"
"\n"
"Delete a secret key from the key store.\n"
"As safeguard the agent asks the user for confirmation.\n";
"Unless --force is used the agent asks the user for confirmation.\n";
static gpg_error_t
cmd_delete_key (assuan_context_t ctx, char *line)
{
ctrl_t ctrl = assuan_get_pointer (ctx);
gpg_error_t err;
int force;
unsigned char grip[20];
if (ctrl->restricted)
return leave_cmd (ctx, gpg_error (GPG_ERR_FORBIDDEN));
force = has_option (line, "--force");
line = skip_options (line);
err = parse_keygrip (ctx, line, grip);
if (err)
goto leave;
err = agent_delete_key (ctrl, ctrl->server_local->keydesc, grip);
err = agent_delete_key (ctrl, ctrl->server_local->keydesc, grip, force );
if (err)
goto leave;

100
agent/findkey.c
View File

@ -1219,14 +1219,18 @@ agent_key_info_from_file (ctrl_t ctrl, const unsigned char *grip,
/* Delete the key with GRIP from the disk after having asked for
confirmation using DESC_TEXT. Common error codes are:
confirmation using DESC_TEXT. If FORCE is set the fucntion won't
require a confirmation via Pinentry or warns if the key is also
used by ssh.
Common error codes are:
GPG_ERR_NO_SECKEY
GPG_ERR_KEY_ON_CARD
GPG_ERR_NOT_CONFIRMED
*/
gpg_error_t
agent_delete_key (ctrl_t ctrl, const char *desc_text,
const unsigned char *grip)
const unsigned char *grip, int force)
{
gpg_error_t err;
gcry_sexp_t s_skey = NULL;
@ -1253,57 +1257,57 @@ agent_delete_key (ctrl_t ctrl, const char *desc_text,
case PRIVATE_KEY_CLEAR:
case PRIVATE_KEY_OPENPGP_NONE:
case PRIVATE_KEY_PROTECTED:
{
bin2hex (grip, 20, hexgrip);
if (!desc_text)
{
default_desc = xtryasprintf
(L_("Do you really want to delete the key identified by keygrip%%0A"
" %s%%0A %%C%%0A?"), hexgrip);
desc_text = default_desc;
}
/* Note, that we will take the comment as a C string for
display purposes; i.e. all stuff beyond a Nul character is
ignored. */
bin2hex (grip, 20, hexgrip);
if (!force)
{
gcry_sexp_t comment_sexp;
if (!desc_text)
{
default_desc = xtryasprintf
(L_("Do you really want to delete the key identified by keygrip%%0A"
" %s%%0A %%C%%0A?"), hexgrip);
desc_text = default_desc;
}
comment_sexp = gcry_sexp_find_token (s_skey, "comment", 0);
if (comment_sexp)
comment = gcry_sexp_nth_string (comment_sexp, 1);
gcry_sexp_release (comment_sexp);
}
if (desc_text)
err = modify_description (desc_text, comment? comment:"", s_skey,
&desc_text_final);
if (err)
goto leave;
err = agent_get_confirmation (ctrl, desc_text_final,
L_("Delete key"), L_("No"), 0);
if (err)
goto leave;
cf = ssh_open_control_file ();
if (cf)
/* Note, that we will take the comment as a C string for
display purposes; i.e. all stuff beyond a Nul character is
ignored. */
{
if (!ssh_search_control_file (cf, hexgrip, NULL, NULL, NULL))
{
err = agent_get_confirmation
(ctrl,
L_("Warning: This key is also listed for use with SSH!\n"
"Deleting the key might remove your ability to "
"access remote machines."),
L_("Delete key"), L_("No"), 0);
if (err)
goto leave;
}
gcry_sexp_t comment_sexp;
comment_sexp = gcry_sexp_find_token (s_skey, "comment", 0);
if (comment_sexp)
comment = gcry_sexp_nth_string (comment_sexp, 1);
gcry_sexp_release (comment_sexp);
}
err = remove_key_file (grip);
}
if (desc_text)
err = modify_description (desc_text, comment? comment:"", s_skey,
&desc_text_final);
if (err)
goto leave;
err = agent_get_confirmation (ctrl, desc_text_final,
L_("Delete key"), L_("No"), 0);
if (err)
goto leave;
cf = ssh_open_control_file ();
if (cf)
{
if (!ssh_search_control_file (cf, hexgrip, NULL, NULL, NULL))
{
err = agent_get_confirmation
(ctrl,
L_("Warning: This key is also listed for use with SSH!\n"
"Deleting the key might remove your ability to "
"access remote machines."),
L_("Delete key"), L_("No"), 0);
if (err)
goto leave;
}
}
}
err = remove_key_file (grip);
break;
case PRIVATE_KEY_SHADOWED: