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