mirror of
https://github.com/opnsense/src.git
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ad02fbb036
Sponsored by: Serenity Cyber Security, LLC MFC after: 1 week Reviewed by: bz, emaste Differential Revision: https://reviews.freebsd.org/D45465 (cherry picked from commit db42bd1f71b1a29b392aacbd5b7aaca4c8d7e85d)
317 lines
7 KiB
C
317 lines
7 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2017-2018 Mellanox Technologies, Ltd.
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* All rights reserved.
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* Copyright (c) 2018 Johannes Lundberg <johalun0@gmail.com>
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* Copyright (c) 2020-2022 The FreeBSD Foundation
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* Copyright (c) 2021 Vladimir Kondratyev <wulf@FreeBSD.org>
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* Copyright (c) 2023 Serenity Cyber Security, LLC
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*
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* Portions of this software were developed by Bjoern A. Zeeb and
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* Emmanuel Vadot under sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUXKPI_LINUX_KSTRTOX_H_
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#define _LINUXKPI_LINUX_KSTRTOX_H_
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#include <sys/types.h>
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#include <sys/errno.h>
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#include <sys/libkern.h>
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#include <linux/compiler.h>
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#include <linux/types.h>
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#include <asm/uaccess.h>
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static inline unsigned long long
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simple_strtoull(const char *cp, char **endp, unsigned int base)
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{
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return (strtouq(cp, endp, base));
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}
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static inline long long
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simple_strtoll(const char *cp, char **endp, unsigned int base)
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{
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return (strtoq(cp, endp, base));
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}
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static inline unsigned long
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simple_strtoul(const char *cp, char **endp, unsigned int base)
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{
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return (strtoul(cp, endp, base));
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}
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static inline long
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simple_strtol(const char *cp, char **endp, unsigned int base)
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{
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return (strtol(cp, endp, base));
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}
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static inline int
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kstrtoul(const char *cp, unsigned int base, unsigned long *res)
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{
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char *end;
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*res = strtoul(cp, &end, base);
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/* skip newline character, if any */
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if (*end == '\n')
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end++;
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if (*cp == 0 || *end != 0)
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return (-EINVAL);
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return (0);
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}
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static inline int
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kstrtol(const char *cp, unsigned int base, long *res)
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{
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char *end;
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*res = strtol(cp, &end, base);
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/* skip newline character, if any */
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if (*end == '\n')
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end++;
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if (*cp == 0 || *end != 0)
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return (-EINVAL);
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return (0);
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}
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static inline int
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kstrtoint(const char *cp, unsigned int base, int *res)
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{
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char *end;
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long temp;
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*res = temp = strtol(cp, &end, base);
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/* skip newline character, if any */
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if (*end == '\n')
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end++;
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if (*cp == 0 || *end != 0)
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return (-EINVAL);
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if (temp != (int)temp)
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return (-ERANGE);
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return (0);
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}
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static inline int
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kstrtouint(const char *cp, unsigned int base, unsigned int *res)
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{
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char *end;
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unsigned long temp;
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*res = temp = strtoul(cp, &end, base);
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/* skip newline character, if any */
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if (*end == '\n')
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end++;
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if (*cp == 0 || *end != 0)
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return (-EINVAL);
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if (temp != (unsigned int)temp)
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return (-ERANGE);
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return (0);
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}
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static inline int
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kstrtou8(const char *cp, unsigned int base, uint8_t *res)
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{
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char *end;
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unsigned long temp;
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*res = temp = strtoul(cp, &end, base);
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/* skip newline character, if any */
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if (*end == '\n')
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end++;
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if (*cp == 0 || *end != 0)
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return (-EINVAL);
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if (temp != (uint8_t)temp)
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return (-ERANGE);
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return (0);
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}
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static inline int
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kstrtou16(const char *cp, unsigned int base, uint16_t *res)
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{
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char *end;
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unsigned long temp;
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*res = temp = strtoul(cp, &end, base);
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/* skip newline character, if any */
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if (*end == '\n')
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end++;
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if (*cp == 0 || *end != 0)
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return (-EINVAL);
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if (temp != (uint16_t)temp)
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return (-ERANGE);
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return (0);
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}
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static inline int
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kstrtou32(const char *cp, unsigned int base, uint32_t *res)
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{
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return (kstrtouint(cp, base, res));
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}
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static inline int
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kstrtos64(const char *cp, unsigned int base, int64_t *res)
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{
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char *end;
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*res = strtoq(cp, &end, base);
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/* skip newline character, if any */
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if (*end == '\n')
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end++;
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if (*cp == 0 || *end != 0)
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return (-EINVAL);
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return (0);
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}
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static inline int
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kstrtoll(const char *cp, unsigned int base, long long *res)
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{
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return (kstrtos64(cp, base, (int64_t *)res));
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}
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static inline int
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kstrtou64(const char *cp, unsigned int base, u64 *res)
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{
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char *end;
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*res = strtouq(cp, &end, base);
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/* skip newline character, if any */
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if (*end == '\n')
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end++;
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if (*cp == 0 || *end != 0)
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return (-EINVAL);
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return (0);
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}
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static inline int
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kstrtoull(const char *cp, unsigned int base, unsigned long long *res)
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{
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return (kstrtou64(cp, base, (uint64_t *)res));
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}
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static inline int
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kstrtobool(const char *s, bool *res)
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{
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int len;
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if (s == NULL || (len = strlen(s)) == 0 || res == NULL)
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return (-EINVAL);
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/* skip newline character, if any */
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if (s[len - 1] == '\n')
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len--;
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if (len == 1 && strchr("yY1", s[0]) != NULL)
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*res = true;
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else if (len == 1 && strchr("nN0", s[0]) != NULL)
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*res = false;
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else if (strncasecmp("on", s, len) == 0)
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*res = true;
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else if (strncasecmp("off", s, len) == 0)
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*res = false;
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else
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return (-EINVAL);
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return (0);
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}
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static inline int
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kstrtobool_from_user(const char __user *s, size_t count, bool *res)
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{
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char buf[8] = {};
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if (count > (sizeof(buf) - 1))
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count = (sizeof(buf) - 1);
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if (copy_from_user(buf, s, count))
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return (-EFAULT);
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return (kstrtobool(buf, res));
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}
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static inline int
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kstrtoint_from_user(const char __user *s, size_t count, unsigned int base,
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int *p)
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{
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char buf[36] = {};
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if (count > (sizeof(buf) - 1))
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count = (sizeof(buf) - 1);
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if (copy_from_user(buf, s, count))
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return (-EFAULT);
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return (kstrtoint(buf, base, p));
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}
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static inline int
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kstrtouint_from_user(const char __user *s, size_t count, unsigned int base,
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unsigned int *p)
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{
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char buf[36] = {};
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if (count > (sizeof(buf) - 1))
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count = (sizeof(buf) - 1);
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if (copy_from_user(buf, s, count))
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return (-EFAULT);
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return (kstrtouint(buf, base, p));
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}
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static inline int
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kstrtou32_from_user(const char __user *s, size_t count, unsigned int base,
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unsigned int *p)
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{
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return (kstrtouint_from_user(s, count, base, p));
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}
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static inline int
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kstrtou8_from_user(const char __user *s, size_t count, unsigned int base,
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uint8_t *p)
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{
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char buf[8] = {};
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if (count > (sizeof(buf) - 1))
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count = (sizeof(buf) - 1);
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if (copy_from_user(buf, s, count))
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return (-EFAULT);
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return (kstrtou8(buf, base, p));
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}
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#endif /* _LINUXKPI_LINUX_KSTRTOX_H_ */
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