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agent: Allow GET_PASSPHRASE in restricted mode.

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* agent/command.c (cmd_get_passphrase): Allow use in restricted mode
but ignore the cacheid.
--

The use case is symmetric encryption via the extra-socket.  To avoid
that the gpg running on the server has access to the cache we set the
cache id to NULL so that the cache is not used at all.
This commit is contained in:
Werner Koch 2024-02-25 15:55:14 +01:00
parent 2372f6a403
commit adf4db6e20
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 4 additions and 5 deletions
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9
agent/command.c
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@ -1988,9 +1988,6 @@ cmd_get_passphrase (assuan_context_t ctx, char *line)
struct pin_entry_info_s *pi2 = NULL;
int is_generated;
if (ctrl->restricted)
return leave_cmd (ctx, gpg_error (GPG_ERR_FORBIDDEN));
opt_data = has_option (line, "--data");
opt_check = has_option (line, "--check");
opt_no_ask = has_option (line, "--no-ask");
@ -2039,7 +2036,9 @@ cmd_get_passphrase (assuan_context_t ctx, char *line)
if (!desc)
return set_error (GPG_ERR_ASS_PARAMETER, "no description given");
if (!strcmp (cacheid, "X"))
/* The only limitation in restricted mode is that we don't consider
* the cache. */
if (ctrl->restricted || !strcmp (cacheid, "X"))
cacheid = NULL;
if (!strcmp (errtext, "X"))
errtext = NULL;
@ -2121,7 +2120,7 @@ cmd_get_passphrase (assuan_context_t ctx, char *line)
entry_errtext = NULL;
is_generated = !!(pi->status & PINENTRY_STATUS_PASSWORD_GENERATED);
/* We don't allow an empty passpharse in this mode. */
/* We don't allow an empty passphrase in this mode. */
if (!is_generated
&& check_passphrase_constraints (ctrl, pi->pin,
pi->constraints_flags,