gnupg2/common/simple-pwquery.h

71 lines
2.8 KiB
C

/* simple-pwquery.c - A simple password query client for gpg-agent
* Copyright (C) 2002 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
*/
#ifndef SIMPLE_PWQUERY_H
#define SIMPLE_PWQUERY_H
#ifdef SIMPLE_PWQUERY_IMPLEMENTATION /* Begin configuration stuff. */
/* Include whatever files you need. */
#include <gcrypt.h>
#include "../common/logging.h"
/* Try to write error message using the standard gnupg log mechanism. */
#define SPWQ_USE_LOGGING 1
/* Memory allocation functions used by the implementation. Note, that
the returned value is expected to be freed with
spwq_secure_free. */
#define spwq_malloc(a) gcry_malloc (a)
#define spwq_free(a) gcry_free (a)
#define spwq_secure_malloc(a) gcry_malloc_secure (a)
#define spwq_secure_free(a) gcry_free (a)
#endif /*SIMPLE_PWQUERY_IMPLEMENTATION*/ /* End configuration stuff. */
/* Ask the gpg-agent for a passphrase and present the user with a
DESCRIPTION, a PROMPT and optiaonlly with a TRYAGAIN extra text.
If a CACHEID is not NULL it is used to locate the passphrase in
the cache and store it under this ID. If OPT_CHECK is true
gpg-agent is asked to apply some checks on the passphrase security.
If ERRORCODE is not NULL it should point a variable receiving an
errorcode; this errocode might be 0 if the user canceled the
operation. The function returns NULL to indicate an error. */
char *simple_pwquery (const char *cacheid,
const char *tryagain,
const char *prompt,
const char *description,
int opt_check,
int *errorcode);
/* Ask the gpg-agent to clear the passphrase for the cache ID CACHEID. */
int simple_pwclear (const char *cacheid);
/* Perform the simple query QUERY (which must be new-line and 0
terminated) and return the error code. */
int simple_query (const char *query);
/* Set the name of the standard socket to be used if GPG_AGENT_INFO is
not defined. The use of this function is optional but if it needs
to be called before any other function. Returns 0 on success. */
int simple_pw_set_socket (const char *name);
#endif /*SIMPLE_PWQUERY_H*/