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auth:creds: Add command line function for standard password callback

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Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This commit is contained in:
Andreas Schneider 2019-08-07 11:36:28 +02:00 committed by Günther Deschner
parent ca57356b78
commit 9e5ac70a7e
3 changed files with 79 additions and 0 deletions
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2
auth/credentials/credentials.h
View File

@ -315,6 +315,8 @@ bool cli_credentials_set_smb_encryption(struct cli_credentials *cred,
enum smb_encryption_setting
cli_credentials_get_smb_encryption(struct cli_credentials *cred);
bool cli_credentials_set_cmdline_callbacks(struct cli_credentials *cred);
void cli_credentials_dump(struct cli_credentials *creds);
/**

73
auth/credentials/credentials_cmdline.c Normal file
View File

@ -0,0 +1,73 @@
/*
* Copyright (c) 2005 Jelmer Vernooij <jelmer@samba.org>
* Copyright (c) 2016 Stefan Metzmacher <metze@samba.org>
*
* This program 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.
*
* This program 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 <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "system/filesys.h"
#include "auth/credentials/credentials.h"
static const char *cmdline_get_userpassword(struct cli_credentials *creds)
{
TALLOC_CTX *frame = talloc_stackframe();
const char *name = NULL;
char *label = NULL;
char *ret = NULL;
char pwd[256] = {0};
int rc;
name = cli_credentials_get_unparsed_name(creds, frame);
if (name == NULL) {
goto fail;
}
label = talloc_asprintf(frame, "Password for [%s]:", name);
if (label == NULL) {
goto fail;
}
rc = samba_getpass(label, pwd, sizeof(pwd), false, false);
if (rc != 0) {
goto fail;
}
ret = talloc_strdup(creds, pwd);
if (ret == NULL) {
goto fail;
}
talloc_set_name_const(ret, __location__);
fail:
ZERO_STRUCT(pwd);
TALLOC_FREE(frame);
return ret;
}
/**
* @brief Set the command line password callback.
*
* This will set the callback to get the password from the command prompt or
* read it from 'stdin'.
*
* @param[in] cred The credential context.
*
* @return On success true, false otherwise.
*/
bool cli_credentials_set_cmdline_callbacks(struct cli_credentials *cred)
{
/*
* The there is no tty, then we will try to read the password from
* stdin.
*/
return cli_credentials_set_password_callback(cred,
cmdline_get_userpassword);
}

4
auth/credentials/wscript_build
View File

@ -23,6 +23,10 @@ bld.SAMBA_SUBSYSTEM('CREDENTIALS_NTLM',
source='credentials_ntlm.c',
deps='samba-credentials GNUTLS_HELPERS')
bld.SAMBA_SUBSYSTEM('CREDENTIALS_CMDLINE',
source='credentials_cmdline.c',
deps='samba-credentials')
pytalloc_util = bld.pyembed_libname('pytalloc-util')
pyparam_util = bld.pyembed_libname('pyparam_util')