mirror of https://github.com/sudo-project/sudo.git
570 lines
19 KiB
C
570 lines
19 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 1996, 1998-2005, 2008, 2009-2023
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* 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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* Sponsored in part by the Defense Advanced Research Projects
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* Agency (DARPA) and Air Force Research Laboratory, Air Force
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* Materiel Command, USAF, under agreement number F39502-99-1-0512.
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*/
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#ifndef SUDO_COMPAT_H
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#define SUDO_COMPAT_H
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#include <sys/types.h> /* for gid_t, mode_t, size_t, ssize_t, time_t, uid_t */
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#include <sys/stat.h> /* to avoid problems with mismatched headers and libc */
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#include <unistd.h> /* to avoid problems with mismatched headers and libc */
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#include <stdio.h>
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#if !defined(HAVE_UTIMENSAT) || !defined(HAVE_FUTIMENS)
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# include <time.h>
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#endif
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#if !defined(HAVE_VSNPRINTF) || !defined(HAVE_VASPRINTF) || \
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!defined(HAVE_VSYSLOG) || defined(PREFER_PORTABLE_SNPRINTF)
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# include <stdarg.h>
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#endif
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/*
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* Macros and functions that may be missing on some operating systems.
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*/
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/*
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* Given the pointer x to the member m of the struct s, return
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* a pointer to the containing structure.
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*/
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#ifndef __containerof
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# define __containerof(x, s, m) ((s *)((char *)(x) - offsetof(s, m)))
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#endif
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/*
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* Pre-C99 compilers may lack a va_copy macro.
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*/
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#ifndef HAVE_VA_COPY
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# ifdef HAVE___VA_COPY
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# define va_copy(d, s) __va_copy(d, s)
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# else
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# define va_copy(d, s) memcpy(&(d), &(s), sizeof(d));
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# endif
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#endif
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/*
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* Some systems lack full limit definitions.
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*/
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#if defined(HAVE_DECL_LLONG_MAX) && !HAVE_DECL_LLONG_MAX
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# if defined(HAVE_DECL_QUAD_MAX) && HAVE_DECL_QUAD_MAX
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# define LLONG_MAX QUAD_MAX
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# else
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# define LLONG_MAX 0x7fffffffffffffffLL
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# endif
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#endif
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#if defined(HAVE_DECL_LLONG_MIN) && !HAVE_DECL_LLONG_MIN
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# if defined(HAVE_DECL_QUAD_MIN) && HAVE_DECL_QUAD_MIN
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# define LLONG_MIN QUAD_MIN
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# else
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# define LLONG_MIN (-0x7fffffffffffffffLL-1)
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# endif
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#endif
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#if defined(HAVE_DECL_ULLONG_MAX) && !HAVE_DECL_ULLONG_MAX
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# if defined(HAVE_DECL_UQUAD_MAX) && HAVE_DECL_UQUAD_MAX
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# define ULLONG_MAX UQUAD_MAX
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# else
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# define ULLONG_MAX 0xffffffffffffffffULL
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# endif
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#endif
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#if defined(HAVE_DECL_SIZE_MAX) && !HAVE_DECL_SIZE_MAX
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# if defined(HAVE_DECL_SIZE_T_MAX) && HAVE_DECL_SIZE_T_MAX
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# define SIZE_MAX SIZE_T_MAX
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# else
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# define SIZE_MAX ULONG_MAX
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# endif
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#endif
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#if defined(HAVE_DECL_SSIZE_MAX) && !HAVE_DECL_SSIZE_MAX
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# define SSIZE_MAX LONG_MAX
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#endif
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#if defined(HAVE_DECL_PATH_MAX) && !HAVE_DECL_PATH_MAX
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# if defined(HAVE_DECL__POSIX_PATH_MAX) && HAVE_DECL__POSIX_PATH_MAX
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# define PATH_MAX _POSIX_PATH_MAX
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# else
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# define PATH_MAX 256
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# endif
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#endif
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/* ACCESSPERMS and ALLPERMS are handy BSDisms. */
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#ifndef ACCESSPERMS
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# define ACCESSPERMS 00777
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#endif /* ACCESSPERMS */
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#ifndef ALLPERMS
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# define ALLPERMS 07777
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#endif /* ALLPERMS */
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/* For futimens() and utimensat() emulation. */
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#if !defined(HAVE_FUTIMENS) && !defined(HAVE_UTIMENSAT)
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# ifndef UTIME_OMIT
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# define UTIME_OMIT -1L
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# endif
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# ifndef UTIME_NOW
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# define UTIME_NOW -2L
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# endif
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#endif
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#if !defined(HAVE_OPENAT) || (!defined(HAVE_FUTIMENS) && !defined(HAVE_UTIMENSAT)) || !defined(HAVE_FCHMODAT) || !defined(HAVE_FSTATAT) || !defined(HAVE_UNLINKAT)
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# ifndef AT_FDCWD
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# define AT_FDCWD -100
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# endif
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# ifndef AT_SYMLINK_NOFOLLOW
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# define AT_SYMLINK_NOFOLLOW 0x02
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# endif
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#endif
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/* For dup3() and pipe2() emulation. */
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#if (!defined(HAVE_PIPE2) || !defined(HAVE_DUP3)) && defined(O_NONBLOCK)
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# if !defined(O_CLOEXEC) || O_CLOEXEC > 0xffffffff
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# undef O_CLOEXEC
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# define O_CLOEXEC 0x80000000
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# endif
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#endif
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/*
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* BSD defines these in <sys/param.h> but we don't include that anymore.
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*/
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#ifndef MIN
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# define MIN(a,b) (((a)<(b))?(a):(b))
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#endif
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#ifndef MAX
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# define MAX(a,b) (((a)>(b))?(a):(b))
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#endif
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/* Macros to set/clear/test flags. */
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#undef SET
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#define SET(t, f) ((t) |= (f))
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#undef CLR
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#define CLR(t, f) ((t) &= ~(f))
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#undef ISSET
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#define ISSET(t, f) ((t) & (f))
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/*
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* Some systems define this in <sys/param.h> but we don't include that anymore.
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*/
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#ifndef howmany
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# define howmany(x, y) (((x) + ((y) - 1)) / (y))
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#endif
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/*
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* Simple isblank() macro and function for systems without it.
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*/
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#ifndef HAVE_ISBLANK
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sudo_dso_public int isblank(int);
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# define isblank(_x) ((_x) == ' ' || (_x) == '\t')
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#endif
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/*
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* NCR's SVr4 has _innetgr(3) instead of innetgr(3) for some reason.
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*/
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#ifdef HAVE__INNETGR
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# define innetgr(n, h, u, d) (_innetgr(n, h, u, d))
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# define HAVE_INNETGR 1
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#endif /* HAVE__INNETGR */
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/*
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* The nitems macro may be defined in sys/param.h
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*/
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#ifndef nitems
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# define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
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#endif
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/*
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* If dirfd() does not exists, hopefully dd_fd does.
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*/
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#if !defined(HAVE_DIRFD) && defined(HAVE_DD_FD)
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# define dirfd(_d) ((_d)->dd_fd)
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# define HAVE_DIRFD
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#endif
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#if !defined(HAVE_KILLPG) && !defined(killpg)
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# define killpg(p, s) kill(-(p), (s))
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#endif
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/*
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* Declare errno if errno.h doesn't do it for us.
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*/
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#if defined(HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
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extern int errno;
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#endif /* !HAVE_DECL_ERRNO */
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/* Not all systems define NSIG in signal.h */
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#if defined(HAVE_DECL_NSIG) && !HAVE_DECL_NSIG
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# if defined(HAVE_DECL__NSIG) && HAVE_DECL__NSIG
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# define NSIG _NSIG
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# elif defined(HAVE_DECL___NSIG) && HAVE_DECL___NSIG
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# define NSIG __NSIG
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# else
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# define NSIG 64
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# endif
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#endif
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/* For sig2str() */
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#if !defined(HAVE_DECL_SIG2STR_MAX) || !HAVE_DECL_SIG2STR_MAX
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# define SIG2STR_MAX 32
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#endif
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/* WCOREDUMP is not POSIX, this usually works (verified on AIX). */
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#ifndef WCOREDUMP
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# define WCOREDUMP(x) ((x) & 0x80)
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#endif
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/* W_EXITCODE is not POSIX but the encoding of wait status is. */
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#ifndef W_EXITCODE
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# define W_EXITCODE(ret, sig) ((ret) << 8 | (sig))
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#endif
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/* Number of bits in a byte. */
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#ifndef NBBY
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# ifdef __NBBY
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# define NBBY __NBBY
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# else
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# define NBBY 8
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# endif
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#endif
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#ifndef HAVE_SETEUID
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# if defined(HAVE_SETRESUID)
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# define seteuid(u) setresuid(-1, (u), -1)
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# define setegid(g) setresgid(-1, (g), -1)
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# define HAVE_SETEUID 1
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# elif defined(HAVE_SETREUID)
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# define seteuid(u) setreuid(-1, (u))
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# define setegid(g) setregid(-1, (g))
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# define HAVE_SETEUID 1
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# endif
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#endif /* HAVE_SETEUID */
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/*
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* Older HP-UX does not declare setresuid() or setresgid().
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*/
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#if defined(HAVE_DECL_SETRESUID) && !HAVE_DECL_SETRESUID
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int setresuid(uid_t, uid_t, uid_t);
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int setresgid(gid_t, gid_t, gid_t);
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#endif
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#if defined(HAVE_DECL_GETRESUID) && !HAVE_DECL_GETRESUID
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int getresuid(uid_t *, uid_t *, uid_t *);
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int getresgid(gid_t *, gid_t *, gid_t *);
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#endif
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/*
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* HP-UX does not declare innetgr() or getdomainname().
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* Solaris does not declare getdomainname().
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*/
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#if defined(HAVE_DECL_INNETGR) && !HAVE_DECL_INNETGR
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int innetgr(const char *, const char *, const char *, const char *);
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#endif
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#if defined(HAVE_DECL__INNETGR) && !HAVE_DECL__INNETGR
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int _innetgr(const char *, const char *, const char *, const char *);
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#endif
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#if defined(HAVE_DECL_GETDOMAINNAME) && !HAVE_DECL_GETDOMAINNAME
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int getdomainname(char *, size_t);
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#endif
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/*
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* HP-UX 11.00 has broken pread/pwrite on 32-bit machines when
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* _FILE_OFFSET_BITS == 64. Use pread64/pwrite64 instead.
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*/
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#if defined(__hpux) && !defined(__LP64__)
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# ifdef HAVE_PREAD64
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# undef pread
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# define pread(_a, _b, _c, _d) pread64((_a), (_b), (_c), (_d))
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# if defined(HAVE_DECL_PREAD64) && !HAVE_DECL_PREAD64
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ssize_t pread64(int fd, void *buf, size_t nbytes, off64_t offset);
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# endif
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# endif
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# ifdef HAVE_PWRITE64
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# undef pwrite
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# define pwrite(_a, _b, _c, _d) pwrite64((_a), (_b), (_c), (_d))
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# if defined(HAVE_DECL_PWRITE64) && !HAVE_DECL_PWRITE64
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ssize_t pwrite64(int fd, const void *buf, size_t nbytes, off64_t offset);
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# endif
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# endif
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#endif /* __hpux && !__LP64__ */
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/*
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* Older systems may lack fseeko(3), just use fseek(3) instead.
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*/
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#ifndef HAVE_FSEEKO
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# define fseeko(f, o, w) fseek((f), (long)(o), (w))
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#endif
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/*
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* Functions "missing" from libc.
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* All libc replacements are prefixed with "sudo_" to avoid namespace issues.
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*/
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struct passwd;
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struct stat;
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struct timespec;
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struct termios;
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struct tm;
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#ifndef HAVE_CFMAKERAW
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sudo_dso_public void sudo_cfmakeraw(struct termios *term);
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# undef cfmakeraw
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# define cfmakeraw(_a) sudo_cfmakeraw((_a))
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#endif /* HAVE_CFMAKERAW */
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#ifndef HAVE_CLOSEFROM
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sudo_dso_public void sudo_closefrom(int);
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# undef closefrom
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# define closefrom(_a) sudo_closefrom((_a))
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#endif /* HAVE_CLOSEFROM */
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#ifndef HAVE_EXPLICIT_BZERO
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sudo_dso_public void sudo_explicit_bzero(void *s, size_t n);
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# undef explicit_bzero
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# define explicit_bzero(_a, _b) sudo_explicit_bzero((_a), (_b))
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#endif /* HAVE_EXPLICIT_BZERO */
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#ifndef HAVE_FREEZERO
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sudo_dso_public void sudo_freezero(void *p, size_t n);
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# undef freezero
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# define freezero(_a, _b) sudo_freezero((_a), (_b))
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#endif /* HAVE_FREEZERO */
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#ifndef HAVE_GETGROUPLIST
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sudo_dso_public int sudo_getgrouplist(const char *name, GETGROUPS_T basegid, GETGROUPS_T *groups, int *ngroupsp);
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# undef getgrouplist
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# define getgrouplist(_a, _b, _c, _d) sudo_getgrouplist((_a), (_b), (_c), (_d))
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#endif /* GETGROUPLIST */
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#if !defined(HAVE_GETDELIM)
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sudo_dso_public ssize_t sudo_getdelim(char ** restrict bufp, size_t * restrict bufsizep, int delim, FILE * restrict fp);
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# undef getdelim
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# define getdelim(_a, _b, _c, _d) sudo_getdelim((_a), (_b), (_c), (_d))
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#elif defined(HAVE_DECL_GETDELIM) && !HAVE_DECL_GETDELIM
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/* getdelim present in libc but missing prototype (old gcc fixed includes?) */
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ssize_t getdelim(char ** restrict bufp, size_t * restrict bufsizep, int delim, FILE * restrict fp);
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#endif /* HAVE_GETDELIM */
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#ifndef HAVE_GETUSERSHELL
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sudo_dso_public char *sudo_getusershell(void);
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# undef getusershell
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# define getusershell() sudo_getusershell()
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sudo_dso_public void sudo_setusershell(void);
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# undef setusershell
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# define setusershell() sudo_setusershell()
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sudo_dso_public void sudo_endusershell(void);
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# undef endusershell
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# define endusershell() sudo_endusershell()
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#elif HAVE_DECL_GETUSERSHELL == 0
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/* Older Solaris has getusershell() et al but does not declare it. */
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char *getusershell(void);
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void setusershell(void);
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void endusershell(void);
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#endif /* HAVE_GETUSERSHELL */
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#ifndef HAVE_GMTIME_R
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sudo_dso_public struct tm *sudo_gmtime_r(const time_t * restrict, struct tm * restrict);
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# undef gmtime_r
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# define gmtime_r(_a, _b) sudo_gmtime_r((_a), (_b))
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#endif /* HAVE_GMTIME_R */
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#ifndef HAVE_LOCALTIME_R
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sudo_dso_public struct tm *sudo_localtime_r(const time_t * restrict, struct tm * restrict);
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# undef localtime_r
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# define localtime_r(_a, _b) sudo_localtime_r((_a), (_b))
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#endif /* HAVE_LOCALTIME_R */
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#ifndef HAVE_TIMEGM
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sudo_dso_public time_t sudo_timegm(struct tm *);
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#endif /* HAVE_TIMEGM */
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#ifndef HAVE_UTIMENSAT
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sudo_dso_public int sudo_utimensat(int fd, const char *file, const struct timespec times[2], int flag);
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# undef utimensat
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# define utimensat(_a, _b, _c, _d) sudo_utimensat((_a), (_b), (_c), (_d))
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#endif /* HAVE_UTIMENSAT */
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#ifndef HAVE_FCHMODAT
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sudo_dso_public int sudo_fchmodat(int dfd, const char *path, mode_t mode, int flag);
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# undef fchmodat
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# define fchmodat(_a, _b, _c, _d) sudo_fchmodat((_a), (_b), (_c), (_d))
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#endif /* HAVE_FCHMODAT */
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#ifndef HAVE_FSTATAT
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sudo_dso_public int sudo_fstatat(int dfd, const char * restrict path, struct stat * restrict sb, int flag);
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# undef fstatat
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# define fstatat(_a, _b, _c, _d) sudo_fstatat((_a), (_b), (_c), (_d))
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#endif /* HAVE_FSTATAT */
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#ifndef HAVE_FUTIMENS
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sudo_dso_public int sudo_futimens(int fd, const struct timespec times[2]);
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# undef futimens
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# define futimens(_a, _b) sudo_futimens((_a), (_b))
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#endif /* HAVE_FUTIMENS */
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#if !defined(HAVE_SNPRINTF) || defined(PREFER_PORTABLE_SNPRINTF)
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sudo_dso_public int sudo_snprintf(char * restrict str, size_t n, char const * restrict fmt, ...) sudo_printflike(3, 4);
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# undef snprintf
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# define snprintf sudo_snprintf
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#endif /* HAVE_SNPRINTF */
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#if !defined(HAVE_VSNPRINTF) || defined(PREFER_PORTABLE_SNPRINTF)
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sudo_dso_public int sudo_vsnprintf(char * restrict str, size_t n, const char * restrict fmt, va_list ap) sudo_printflike(3, 0);
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# undef vsnprintf
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# define vsnprintf sudo_vsnprintf
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#endif /* HAVE_VSNPRINTF */
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#if !defined(HAVE_ASPRINTF) || defined(PREFER_PORTABLE_SNPRINTF)
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sudo_dso_public int sudo_asprintf(char ** restrict str, char const * restrict fmt, ...) sudo_printflike(2, 3);
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# undef asprintf
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# define asprintf sudo_asprintf
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#endif /* HAVE_ASPRINTF */
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#if !defined(HAVE_VASPRINTF) || defined(PREFER_PORTABLE_SNPRINTF)
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sudo_dso_public int sudo_vasprintf(char ** restrict str, const char * restrict fmt, va_list ap) sudo_printflike(2, 0);
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# undef vasprintf
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# define vasprintf sudo_vasprintf
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#endif /* HAVE_VASPRINTF */
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#ifndef HAVE_STRLCAT
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sudo_dso_public size_t sudo_strlcat(char * restrict dst, const char * restrict src, size_t siz);
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# undef strlcat
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# define strlcat(_a, _b, _c) sudo_strlcat((_a), (_b), (_c))
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#endif /* HAVE_STRLCAT */
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#ifndef HAVE_STRLCPY
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sudo_dso_public size_t sudo_strlcpy(char * restrict dst, const char * restrict src, size_t siz);
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# undef strlcpy
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# define strlcpy(_a, _b, _c) sudo_strlcpy((_a), (_b), (_c))
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#endif /* HAVE_STRLCPY */
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#ifndef HAVE_STRNDUP
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sudo_dso_public char *sudo_strndup(const char *str, size_t maxlen);
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# undef strndup
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# define strndup(_a, _b) sudo_strndup((_a), (_b))
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#endif /* HAVE_STRNDUP */
|
|
#ifndef HAVE_STRNLEN
|
|
sudo_dso_public size_t sudo_strnlen(const char *str, size_t maxlen);
|
|
# undef strnlen
|
|
# define strnlen(_a, _b) sudo_strnlen((_a), (_b))
|
|
#endif /* HAVE_STRNLEN */
|
|
#ifndef HAVE_FCHOWNAT
|
|
sudo_dso_public int sudo_fchownat(int dfd, const char *path, uid_t uid, gid_t gid, int flag);
|
|
# undef fchownat
|
|
# define fchownat(_a, _b, _c, _d, _e) sudo_fchownat((_a), (_b), (_c), (_d), (_e))
|
|
#endif /* HAVE_FCHOWNAT */
|
|
#ifndef HAVE_MEMRCHR
|
|
sudo_dso_public void *sudo_memrchr(const void *s, int c, size_t n);
|
|
# undef memrchr
|
|
# define memrchr(_a, _b, _c) sudo_memrchr((_a), (_b), (_c))
|
|
#endif /* HAVE_MEMRCHR */
|
|
#ifndef HAVE_MKDIRAT
|
|
sudo_dso_public int sudo_mkdirat(int dfd, const char *path, mode_t mode);
|
|
# undef mkdirat
|
|
# define mkdirat(_a, _b, _c) sudo_mkdirat((_a), (_b), (_c))
|
|
#endif /* HAVE_MKDIRAT */
|
|
#if !defined(HAVE_MKDTEMPAT) || !defined(HAVE_MKOSTEMPSAT)
|
|
# if defined(HAVE_MKDTEMPAT_NP) && defined(HAVE_MKOSTEMPSAT_NP)
|
|
# undef mkdtempat
|
|
# define mkdtempat mkdtempat_np
|
|
# undef mkostempsat
|
|
# define mkostempsat mkostempsat_np
|
|
# else
|
|
sudo_dso_public char *sudo_mkdtemp(char *path);
|
|
# undef mkdtemp
|
|
# define mkdtemp(_a) sudo_mkdtemp((_a))
|
|
sudo_dso_public char *sudo_mkdtempat(int dfd, char *path);
|
|
# undef mkdtempat
|
|
# define mkdtempat(_a, _b) sudo_mkdtempat((_a), (_b))
|
|
sudo_dso_public int sudo_mkostempsat(int dfd, char *path, int slen, int flags);
|
|
# undef mkostempsat
|
|
# define mkostempsat(_a, _b, _c, _d) sudo_mkostempsat((_a), (_b), (_c), (_d))
|
|
sudo_dso_public int sudo_mkstemp(char *path);
|
|
# undef mkstemp
|
|
# define mkstemp(_a) sudo_mkstemp((_a))
|
|
sudo_dso_public int sudo_mkstemps(char *path, int slen);
|
|
# undef mkstemps
|
|
# define mkstemps(_a, _b) sudo_mkstemps((_a), (_b))
|
|
# endif /* HAVE_MKDTEMPAT_NP || HAVE_MKOSTEMPSAT_NP */
|
|
#endif /* !HAVE_MKDTEMPAT || !HAVE_MKOSTEMPSAT */
|
|
#ifndef HAVE_NANOSLEEP
|
|
sudo_dso_public int sudo_nanosleep(const struct timespec *timeout, struct timespec *remainder);
|
|
#undef nanosleep
|
|
# define nanosleep(_a, _b) sudo_nanosleep((_a), (_b))
|
|
#endif /* HAVE_NANOSLEEP */
|
|
#ifndef HAVE_OPENAT
|
|
sudo_dso_public int sudo_openat(int dfd, const char *path, int flags, mode_t mode);
|
|
# undef openat
|
|
# define openat(_a, _b, _c, _d) sudo_openat((_a), (_b), (_c), (_d))
|
|
#endif /* HAVE_OPENAT */
|
|
#ifndef HAVE_PW_DUP
|
|
sudo_dso_public struct passwd *sudo_pw_dup(const struct passwd *pw);
|
|
# undef pw_dup
|
|
# define pw_dup(_a) sudo_pw_dup((_a))
|
|
#endif /* HAVE_PW_DUP */
|
|
#ifndef HAVE_STRSIGNAL
|
|
sudo_dso_public char *sudo_strsignal(int signo);
|
|
# undef strsignal
|
|
# define strsignal(_a) sudo_strsignal((_a))
|
|
#endif /* HAVE_STRSIGNAL */
|
|
#ifndef HAVE_SIG2STR
|
|
sudo_dso_public int sudo_sig2str(int signo, char *signame);
|
|
# undef sig2str
|
|
# define sig2str(_a, _b) sudo_sig2str((_a), (_b))
|
|
#endif /* HAVE_SIG2STR */
|
|
#ifndef HAVE_STR2SIG
|
|
sudo_dso_public int sudo_str2sig(const char *signame, int *signum);
|
|
# undef str2sig
|
|
# define str2sig(_a, _b) sudo_str2sig((_a), (_b))
|
|
#endif /* HAVE_STR2SIG */
|
|
#if !defined(HAVE_INET_NTOP) && defined(NEED_INET_NTOP)
|
|
sudo_dso_public const char *sudo_inet_ntop(int af, const void * restrict src, char * restrict dst, socklen_t size);
|
|
# undef inet_ntop
|
|
# define inet_ntop(_a, _b, _c, _d) sudo_inet_ntop((_a), (_b), (_c), (_d))
|
|
#endif /* HAVE_INET_NTOP */
|
|
#ifndef HAVE_INET_PTON
|
|
sudo_dso_public int sudo_inet_pton(int af, const char * restrict src, void * restrict dst);
|
|
# undef inet_pton
|
|
# define inet_pton(_a, _b, _c) sudo_inet_pton((_a), (_b), (_c))
|
|
#endif /* HAVE_INET_PTON */
|
|
#ifndef HAVE_GETPROGNAME
|
|
sudo_dso_public const char *sudo_getprogname(void);
|
|
# undef getprogname
|
|
# define getprogname() sudo_getprogname()
|
|
#endif /* HAVE_GETPROGNAME */
|
|
#ifndef HAVE_SETPROGNAME
|
|
sudo_dso_public void sudo_setprogname(const char *name);
|
|
# undef setprogname
|
|
# define setprogname(_a) sudo_setprogname(_a)
|
|
#endif /* HAVE_SETPROGNAME */
|
|
#ifndef HAVE_REALLOCARRAY
|
|
sudo_dso_public void *sudo_reallocarray(void *ptr, size_t nmemb, size_t size);
|
|
# undef reallocarray
|
|
# define reallocarray(_a, _b, _c) sudo_reallocarray((_a), (_b), (_c))
|
|
#endif /* HAVE_REALLOCARRAY */
|
|
#ifndef HAVE_REALPATH
|
|
sudo_dso_public char *sudo_realpath(const char * restrict path, char * restrict resolved);
|
|
# undef realpath
|
|
# define realpath(_a, _b) sudo_realpath((_a), (_b))
|
|
#endif /* HAVE_REALPATH */
|
|
#ifndef HAVE_DUP3
|
|
sudo_dso_public int sudo_dup3(int oldd, int newd, int flags);
|
|
# undef dup3
|
|
# define dup3(_a, _b, _c) sudo_dup3((_a), (_b), (_c))
|
|
#endif /* HAVE_DUP3 */
|
|
#ifndef HAVE_PIPE2
|
|
sudo_dso_public int sudo_pipe2(int fildes[2], int flags);
|
|
# undef pipe2
|
|
# define pipe2(_a, _b) sudo_pipe2((_a), (_b))
|
|
#endif /* HAVE_PIPE2 */
|
|
#ifndef HAVE_PREAD
|
|
sudo_dso_public ssize_t sudo_pread(int fd, void *buf, size_t nbytes, off_t offset);
|
|
# undef pread
|
|
# define pread(_a, _b, _c, _d) sudo_pread((_a), (_b), (_c), (_d))
|
|
#endif /* HAVE_PREAD */
|
|
#ifndef HAVE_PWRITE
|
|
sudo_dso_public ssize_t sudo_pwrite(int fd, const void *buf, size_t nbytes, off_t offset);
|
|
# undef pwrite
|
|
# define pwrite(_a, _b, _c, _d) sudo_pwrite((_a), (_b), (_c), (_d))
|
|
#endif /* HAVE_PWRITE */
|
|
#ifndef HAVE_UNLINKAT
|
|
sudo_dso_public int sudo_unlinkat(int dfd, const char *path, int flag);
|
|
# undef unlinkat
|
|
# define unlinkat(_a, _b, _c) sudo_unlinkat((_a), (_b), (_c))
|
|
#endif /* HAVE_UNLINKAT */
|
|
|
|
#endif /* SUDO_COMPAT_H */
|