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ef5a3bedab
get_pass can return NULL on error. Ensure that this is always the case and fix all callers to cope (some already did). Reported by Joonas Kuorilehto <joneskoo@codenomicon.com> BUG: https://bugzilla.samba.org/show_bug.cgi?id=10320 Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Autobuild-User(master): Volker Lendecke <vl@samba.org> Autobuild-Date(master): Mon Dec 16 15:17:58 CET 2013 on sn-devel-104
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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Unix SMB/CIFS implementation.
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passdb editing frontend
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Copyright (C) Jeremy Allison 1998
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Copyright (C) Andrew Tridgell 1998
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Copyright (C) Tim Potter 2000
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Copyright (C) Simo Sorce 2000
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Copyright (C) Martin Pool 2001
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Copyright (C) Gerald Carter 2002
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Copyright (C) Andrew Bartlett 2003
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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/*************************************************************
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Utility function to prompt for passwords from stdin. Each
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password entered must end with a newline.
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*************************************************************/
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char *stdin_new_passwd( void)
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{
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static fstring new_pw;
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size_t len;
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ZERO_ARRAY(new_pw);
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/*
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* if no error is reported from fgets() and string at least contains
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* the newline that ends the password, then replace the newline with
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* a null terminator.
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*/
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if ( fgets(new_pw, sizeof(new_pw), stdin) == NULL) {
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return NULL;
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}
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if ((len = strlen(new_pw)) > 0) {
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if(new_pw[len-1] == '\n')
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new_pw[len - 1] = 0;
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}
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return(new_pw);
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}
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/*************************************************************
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Utility function to get passwords via tty or stdin
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Used if the '-s' (smbpasswd) or '-t' (pdbedit) option is set
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to silently get passwords to enable scripting.
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*************************************************************/
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char *get_pass( const char *prompt, bool stdin_get)
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{
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char pwd[256] = {0};
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char *p;
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int rc;
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if (stdin_get) {
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p = stdin_new_passwd();
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if (p == NULL) {
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return NULL;
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}
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} else {
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rc = samba_getpass(prompt, pwd, sizeof(pwd), false, false);
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if (rc < 0) {
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return NULL;
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}
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p = pwd;
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}
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return smb_xstrdup( p);
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}
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