source: vendor/current/source4/lib/cmdline/credentials.c

/* 
   Unix SMB/CIFS implementation.

   Copyright (C) Jelmer Vernooij 2005

   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"
#include "lib/cmdline/credentials.h"

static const char *cmdline_get_userpassword(struct cli_credentials *credentials)
{
        TALLOC_CTX *mem_ctx = talloc_new(NULL);
        const char *prompt_name = cli_credentials_get_unparsed_name(credentials, mem_ctx);
        const char *prompt;
        static char pwd[256]; /* FIXME: Return a dup pwd and free it. */
        int rc;

        prompt = talloc_asprintf(mem_ctx, "Password for [%s]:", 
                                 prompt_name);

        memset(pwd, '\0', sizeof(pwd));
        rc = samba_getpass(prompt, pwd, sizeof(pwd), false, false);
        talloc_free(mem_ctx);
        if (rc < 0) {
                return NULL;
        }

        return pwd;
}

bool cli_credentials_set_cmdline_callbacks(struct cli_credentials *cred)
{
        if (isatty(fileno(stdout))) {
                cli_credentials_set_password_callback(cred, cmdline_get_userpassword);
                return true;
        }

        return false;
}