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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
*/
#include <config.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <errno.h>
#include <sudo_compat.h>
#include <sudo_debug.h>
#include <sudo_gettext.h>
#include <sudo_util.h>
/*
* Parse an octal file mode in the range [0, 0777].
* On success, returns the parsed mode and clears errstr.
* On error, returns 0 and sets errstr.
*/
mode_t
sudo_strtomode_v2(const char *cp, const char **errstr)
{
char *ep;
long lval;
debug_decl(sudo_strtomode, SUDO_DEBUG_UTIL);
errno = 0;
lval = strtol(cp, &ep, 8);
if (ep == cp || *ep != '\0') {
if (errstr != NULL)
*errstr = N_("invalid value");
errno = EINVAL;
debug_return_mode_t(0);
}
if (lval < 0 || lval > ACCESSPERMS) {
if (errstr != NULL)
*errstr = lval < 0 ? N_("value too small") : N_("value too large");
errno = ERANGE;
debug_return_mode_t(0);
}
if (errstr != NULL)
*errstr = NULL;
debug_return_mode_t((mode_t)lval);
}
int
sudo_strtomode_v1(const char *cp, const char **errstr)
{
return (int)sudo_strtomode_v2(cp, errstr);
}
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