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* sysdeps/generic/bp-checks.h (CHECK_SIGSET, CHECK_SIGSETopt):

Browse Source 
New macros. 
* sysdeps/generic/strcpy.c: Add bounds checks. 
* sysdeps/unix/fxstat.c: Likewise. 
* sysdeps/unix/xstat.c: Likewise. 
* sysdeps/unix/common/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise. 
* sysdeps/unix/sysv/linux/execve.c: Likewise. 
* sysdeps/unix/sysv/linux/fxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/fxstat64.c: Likewise. 
* sysdeps/unix/sysv/linux/getcwd.c: Likewise. 
* sysdeps/unix/sysv/linux/getdents.c: Likewise. 
* sysdeps/unix/sysv/linux/llseek.c: Likewise. 
* sysdeps/unix/sysv/linux/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/lxstat64.c: Likewise. 
* sysdeps/unix/sysv/linux/poll.c: Likewise. 
* sysdeps/unix/sysv/linux/pread.c: Likewise. 
* sysdeps/unix/sysv/linux/pread64.c: Likewise. 
* sysdeps/unix/sysv/linux/ptrace.c: Likewise. 
* sysdeps/unix/sysv/linux/pwrite.c: Likewise. 
* sysdeps/unix/sysv/linux/pwrite64.c: Likewise. 
* sysdeps/unix/sysv/linux/readv.c: Likewise. 
* sysdeps/unix/sysv/linux/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/sigpending.c: Likewise. 
* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise. 
* sysdeps/unix/sysv/linux/sigqueue.c: Likewise. 
* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise. 
* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise. 
* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise. 
* sysdeps/unix/sysv/linux/sysctl.c: Likewise. 
* sysdeps/unix/sysv/linux/truncate64.c: Likewise. 
* sysdeps/unix/sysv/linux/ustat.c: Likewise. 
* sysdeps/unix/sysv/linux/writev.c: Likewise. 
* sysdeps/unix/sysv/linux/xmknod.c: Likewise. 
* sysdeps/unix/sysv/linux/xstat.c: Likewise. 
* sysdeps/unix/sysv/linux/xstat64.c: Likewise. 
* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/brk.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/chown.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getresgid.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getresuid.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getrlimit.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/lchown.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/xstat.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigpending.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/xstat.c: Likewise. 
* sysdeps/unix/sysv/linux/m68k/chown.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pread.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/truncate64.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/ustat.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Likewise.
	* sysdeps/generic/bp-checks.h (CHECK_SIGSET, CHECK_SIGSETopt):
	New macros.
	* sysdeps/generic/strcpy.c: Add bounds checks.
	* sysdeps/unix/fxstat.c: Likewise.
	* sysdeps/unix/xstat.c: Likewise.
	* sysdeps/unix/common/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise.
	* sysdeps/unix/sysv/linux/execve.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/getcwd.c: Likewise.
	* sysdeps/unix/sysv/linux/getdents.c: Likewise.
	* sysdeps/unix/sysv/linux/llseek.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/poll.c: Likewise.
	* sysdeps/unix/sysv/linux/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/ptrace.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/readv.c: Likewise.
	* sysdeps/unix/sysv/linux/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sigqueue.c: Likewise.
	* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
	* sysdeps/unix/sysv/linux/sysctl.c: Likewise.
	* sysdeps/unix/sysv/linux/truncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/ustat.c: Likewise.
	* sysdeps/unix/sysv/linux/writev.c: Likewise.
	* sysdeps/unix/sysv/linux/xmknod.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/brk.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getresgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getrlimit.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/lchown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/m68k/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/truncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/ustat.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Likewise.
This commit is contained in:
Greg McGary 2000-07-07 02:19:06 +00:00
parent c0f53cdd08
commit 4bbb61e414
70 changed files with 561 additions and 302 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
ChangeLog
View File

@ -38,6 +38,77 @@
2000-07-06 Greg McGary <greg@mcgary.org>
* sysdeps/generic/bp-checks.h (CHECK_SIGSET, CHECK_SIGSETopt):
New macros.
* sysdeps/generic/strcpy.c: Add bounds checks.
* sysdeps/unix/fxstat.c: Likewise.
* sysdeps/unix/xstat.c: Likewise.
* sysdeps/unix/common/lxstat.c: Likewise.
* sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise.
* sysdeps/unix/sysv/linux/execve.c: Likewise.
* sysdeps/unix/sysv/linux/fxstat.c: Likewise.
* sysdeps/unix/sysv/linux/fxstat64.c: Likewise.
* sysdeps/unix/sysv/linux/getcwd.c: Likewise.
* sysdeps/unix/sysv/linux/getdents.c: Likewise.
* sysdeps/unix/sysv/linux/llseek.c: Likewise.
* sysdeps/unix/sysv/linux/lxstat.c: Likewise.
* sysdeps/unix/sysv/linux/lxstat64.c: Likewise.
* sysdeps/unix/sysv/linux/poll.c: Likewise.
* sysdeps/unix/sysv/linux/pread.c: Likewise.
* sysdeps/unix/sysv/linux/pread64.c: Likewise.
* sysdeps/unix/sysv/linux/ptrace.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
* sysdeps/unix/sysv/linux/readv.c: Likewise.
* sysdeps/unix/sysv/linux/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sigpending.c: Likewise.
* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
* sysdeps/unix/sysv/linux/sigqueue.c: Likewise.
* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise.
* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
* sysdeps/unix/sysv/linux/sysctl.c: Likewise.
* sysdeps/unix/sysv/linux/truncate64.c: Likewise.
* sysdeps/unix/sysv/linux/ustat.c: Likewise.
* sysdeps/unix/sysv/linux/writev.c: Likewise.
* sysdeps/unix/sysv/linux/xmknod.c: Likewise.
* sysdeps/unix/sysv/linux/xstat.c: Likewise.
* sysdeps/unix/sysv/linux/xstat64.c: Likewise.
* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/i386/brk.c: Likewise.
* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise.
* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise.
* sysdeps/unix/sysv/linux/i386/getresgid.c: Likewise.
* sysdeps/unix/sysv/linux/i386/getresuid.c: Likewise.
* sysdeps/unix/sysv/linux/i386/getrlimit.c: Likewise.
* sysdeps/unix/sysv/linux/i386/lchown.c: Likewise.
* sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise.
* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise.
* sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/i386/xstat.c: Likewise.
* sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise.
* sysdeps/unix/sysv/linux/ia64/lxstat.c: Likewise.
* sysdeps/unix/sysv/linux/ia64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/ia64/sigpending.c: Likewise.
* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: Likewise.
* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: Likewise.
* sysdeps/unix/sysv/linux/ia64/xstat.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/chown.c: Likewise.
* sysdeps/unix/sysv/linux/mips/pread.c: Likewise.
* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise.
* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise.
* sysdeps/unix/sysv/linux/mips/truncate64.c: Likewise.
* sysdeps/unix/sysv/linux/mips/ustat.c: Likewise.
* sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Likewise.
* string/endian.h (__LONG_LONG_PAIR): New macro.
* sysdeps/unix/sysv/linux/ftruncate64.c: Use it.
* sysdeps/unix/sysv/linux/pread.c: Likewise.

5
sysdeps/generic/bp-checks.h
View File

@ -68,6 +68,9 @@ extern int __ubp_memchr (const char *__unbounded, int, unsigned);
&& BOUNDS_VIOLATED), \
__ptrvalue (ARG))
# define CHECK_SIGSET(SET) CHECK_N ((SET), _NSIG / (8 * sizeof *(SET)))
# define CHECK_SIGSETopt(SET) CHECK_Nopt ((SET), _NSIG / (8 * sizeof *(SET)))
# else /* !__BOUNDED_POINTERS__ */
/* Do nothing if not compiling with -fbounded-pointers. */
@ -80,6 +83,8 @@ extern int __ubp_memchr (const char *__unbounded, int, unsigned);
# define CHECK_N(ARG, N) (ARG)
# define CHECK_Nopt(ARG, N) (ARG)
# define CHECK_STRING(ARG) (ARG)
# define CHECK_SIGSET(SET) (SET)
# define CHECK_SIGSETopt(SET) (SET)
# endif /* !__BOUNDED_POINTERS__ */

12
sysdeps/generic/strcpy.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1991, 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -19,6 +19,7 @@
#include <stddef.h>
#include <string.h>
#include <memcopy.h>
#include <bp-checks.h>
#undef strcpy
@ -29,8 +30,9 @@ strcpy (dest, src)
const char *src;
{
reg_char c;
char *s = (char *) src;
const ptrdiff_t off = dest - src - 1;
char *__unbounded s = (char *__unbounded) CHECK_BOUNDS_LOW (src);
const ptrdiff_t off = CHECK_BOUNDS_LOW (dest) - s - 1;
size_t n;
do
{
@ -39,5 +41,9 @@ strcpy (dest, src)
}
while (c != '\0');
n = s - src;
CHECK_BOUNDS_HIGH (src + n);
CHECK_BOUNDS_HIGH (dest + n);
return dest;
}

7
sysdeps/unix/common/lxstat.c
View File

@ -1,5 +1,5 @@
/* lxstat using old-style Unix lstat system call.
Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1991, 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -20,8 +20,9 @@
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <bp-checks.h>
extern int __syscall_lstat (const char *, struct stat *);
extern int __syscall_lstat (const char *__unbounded, struct stat *__unbounded);
int
__lxstat (int vers, const char *file, struct stat *buf)
@ -32,6 +33,6 @@ __lxstat (int vers, const char *file, struct stat *buf)
return -1;
}
return __syscall_lstat (file, buf);
return __syscall_lstat (CHECK_STRING (file), CHECK_1 (buf));
}
weak_alias (__lxstat, _lxstat)

9
sysdeps/unix/fxstat.c
View File

@ -1,5 +1,5 @@
/* fxstat using old-style Unix fstat system call.
Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1991, 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -20,8 +20,9 @@
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <bp-checks.h>
extern int __syscall_fstat (int, struct stat *);
extern int __syscall_fstat (int, struct stat *__unbounded);
/* Get information about the file descriptor FD in BUF. */
int
@ -32,7 +33,7 @@ __fxstat (int vers, int fd, struct stat *buf)
__set_errno (EINVAL);
return -1;
}
return __syscall_fstat (fd, buf);
return __syscall_fstat (fd, CHECK_1 (buf));
}
weak_alias (__fxstat, _fxstat)

5
sysdeps/unix/sysv/linux/aio_sigqueue.c
View File

@ -28,7 +28,7 @@
#include "aio_misc.h"
#ifdef __NR_rt_sigqueueinfo
extern int __syscall_rt_sigqueueinfo (int, int, siginfo_t *);
extern int __syscall_rt_sigqueueinfo (int, int, siginfo_t *__unbounded);
/* Return any pending signal or wait for one for the given time. */
@ -50,7 +50,8 @@ __aio_sigqueue (sig, val, caller_pid)
info.si_uid = getuid ();
info.si_value = val;
return INLINE_SYSCALL (rt_sigqueueinfo, 3, info.si_pid, sig, &info);
return INLINE_SYSCALL (rt_sigqueueinfo, 3, info.si_pid,
sig, __ptrvalue (&info));
}
#else
# include <sysdeps/generic/aio_sigqueue.c>

18
sysdeps/unix/sysv/linux/arm/sigaction.c
View File

@ -28,10 +28,10 @@
translate it here. */
#include <kernel_sigaction.h>
extern int __syscall_sigaction (int, const struct old_kernel_sigaction *,
struct old_kernel_sigaction *);
extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *,
struct kernel_sigaction *, size_t);
extern int __syscall_sigaction (int, const struct old_kernel_sigaction *__unbounded,
struct old_kernel_sigaction *__unbounded);
extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *__unbounded,
struct kernel_sigaction *__unbounded, size_t);
/* The variable is shared between all wrappers around signal handling
functions which have RT equivalents. */
@ -95,8 +95,9 @@ __libc_sigaction (sig, act, oact)
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
result = INLINE_SYSCALL (rt_sigaction, 4, sig, act ? &kact : NULL,
oact ? &koact : NULL, _NSIG / 8);
result = INLINE_SYSCALL (rt_sigaction, 4, sig,
act ? __ptrvalue (&kact) : NULL,
oact ? __ptrvalue (&koact) : NULL, _NSIG / 8);
if (result >= 0 || errno != ENOSYS)
{
@ -133,8 +134,9 @@ __libc_sigaction (sig, act, oact)
}
#endif
}
result = INLINE_SYSCALL (sigaction, 3, sig, act ? &k_sigact : NULL,
oact ? &k_osigact : NULL);
result = INLINE_SYSCALL (sigaction, 3, sig,
act ? __ptrvalue (&k_sigact) : NULL,
oact ? __ptrvalue (&k_osigact) : NULL);
if (oact && result >= 0)
{
oact->sa_handler = k_osigact.k_sa_handler;

31
sysdeps/unix/sysv/linux/execve.c
View File

@ -21,9 +21,11 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_execve (const char *file, char *const argv[],
char *const envp[]);
extern int __syscall_execve (const char *__unbounded file,
char *__unbounded const *__unbounded argv,
char *__unbounded const *__unbounded envp);
extern void __pthread_kill_other_threads_np (void);
weak_extern (__pthread_kill_other_threads_np)
@ -37,7 +39,32 @@ __execve (file, argv, envp)
/* If this is a threaded application kill all other threads. */
if (__pthread_kill_other_threads_np)
__pthread_kill_other_threads_np ();
#if __BOUNDED_POINTERS__
{
char **v;
int i;
char *__unbounded *__unbounded ubp_argv;
char *__unbounded *__unbounded ubp_envp;
char *__unbounded *__unbounded ubp_v;
for (v = argv; *v; v++)
;
i = v - argv + 1;
ubp_argv = (char *__unbounded *__unbounded) alloca (sizeof (*ubp_argv) * i);
for (v = argv, ubp_v = ubp_argv; i--; v++, ubp_v++)
*ubp_v = CHECK_STRING (*v);
for (v = envp; *v; v++)
;
i = v - envp + 1;
ubp_envp = (char *__unbounded *__unbounded) alloca (sizeof (*ubp_envp) * i);
for (v = envp, ubp_v = ubp_envp; i--; v++, ubp_v++)
*ubp_v = CHECK_STRING (*v);
return INLINE_SYSCALL (execve, 3, CHECK_STRING (file), ubp_argv, ubp_envp);
}
#else
return INLINE_SYSCALL (execve, 3, file, argv, envp);
#endif
}
weak_alias (__execve, execve)

11
sysdeps/unix/sysv/linux/fxstat.c
View File

@ -1,5 +1,5 @@
/* fxstat using old-style Unix fstat system call.
Copyright (C) 1991, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1991, 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -28,10 +28,11 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <xstatconv.c>
extern int __syscall_fstat (int, struct kernel_stat *);
extern int __syscall_fstat (int, struct kernel_stat *__unbounded);
/* Get information about the file FD in BUF. */
int
@ -41,11 +42,9 @@ __fxstat (int vers, int fd, struct stat *buf)
int result;
if (vers == _STAT_VER_KERNEL)
{
return INLINE_SYSCALL (fstat, 2, fd, (struct kernel_stat *) buf);
}
return INLINE_SYSCALL (fstat, 2, fd, CHECK_1 ((struct kernel_stat *) buf));
result = INLINE_SYSCALL (fstat, 2, fd, &kbuf);
result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf));
if (result == 0)
result = xstat_conv (vers, &kbuf, buf);

14
sysdeps/unix/sysv/linux/fxstat64.c
View File

@ -1,5 +1,5 @@
/* fxstat64 using old-style Unix fstat system call.
Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -24,16 +24,18 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.c>
#endif
extern int __syscall_fstat (int, struct kernel_stat *);
extern int __syscall_fstat (int, struct kernel_stat *__unbounded);
#ifdef __NR_fstat64
extern int __syscall_fstat64 (int, struct stat64 *);
extern int __syscall_fstat64 (int, struct stat64 *__unbounded);
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
@ -45,7 +47,7 @@ int
__fxstat64 (int vers, int fd, struct stat64 *buf)
{
#if __ASSUME_STAT64_SYSCALL > 0
return INLINE_SYSCALL (fstat64, 2, fd, buf);
return INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (buf));
#else
int result;
struct kernel_stat kbuf;
@ -53,7 +55,7 @@ __fxstat64 (int vers, int fd, struct stat64 *buf)
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (fstat64, 2, fd, buf);
result = INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (buf));
if (result != -1 || errno != ENOSYS)
return result;
@ -62,7 +64,7 @@ __fxstat64 (int vers, int fd, struct stat64 *buf)
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (fstat, 2, fd, &kbuf);
result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf));
if (result == 0)
result = xstat64_conv (vers, &kbuf, buf);

9
sysdeps/unix/sysv/linux/getcwd.c
View File

@ -1,5 +1,5 @@
/* Determine current working directory. Linux version.
Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@ -26,6 +26,7 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
@ -34,7 +35,7 @@
/* Kernel 2.1.92 introduced a third way to get the current working
directory: a syscall. We've got to be careful that even when
compiling under 2.1.92+ the libc still runs under older kernels. */
extern int __syscall_getcwd (char *buf, unsigned long size);
extern int __syscall_getcwd (char *__unbounded buf, unsigned long size);
# define no_syscall_getcwd 0
# define have_new_dcache 1
/* This is a trick since we don't define generic_getcwd. */
@ -51,7 +52,7 @@ static char *generic_getcwd (char *buf, size_t size) internal_function;
/* Kernel 2.1.92 introduced a third way to get the current working
directory: a syscall. We've got to be careful that even when
compiling under 2.1.92+ the libc still runs under older kernels. */
extern int __syscall_getcwd (char *buf, unsigned long size);
extern int __syscall_getcwd (char *__unbounded buf, unsigned long size);
static int no_syscall_getcwd;
static int have_new_dcache;
# else
@ -99,7 +100,7 @@ __getcwd (char *buf, size_t size)
{
int retval;
retval = INLINE_SYSCALL (getcwd, 2, path, alloc_size);
retval = INLINE_SYSCALL (getcwd, 2, CHECK_STRING (path), alloc_size);
if (retval >= 0)
{
if (buf == NULL)

7
sysdeps/unix/sysv/linux/getdents.c
View File

@ -28,13 +28,13 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <linux/posix_types.h>
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
extern int __syscall_getdents (int fd, char *buf, size_t nbytes);
extern int __syscall_getdents (int fd, char *__unbounded buf, size_t nbytes);
/* For Linux we need a special version of this file since the
definition of `struct dirent' is not the same for the kernel and
@ -84,7 +84,8 @@ __getdents (int fd, char *buf, size_t nbytes)
dp = (struct dirent *) buf;
skdp = kdp = __alloca (red_nbytes);
retval = INLINE_SYSCALL (getdents, 3, fd, (char *) kdp, red_nbytes);
retval = INLINE_SYSCALL (getdents, 3, fd,
CHECK_N ((char *) kdp, red_nbytes), red_nbytes);
if (retval == -1)
return -1;

8
sysdeps/unix/sysv/linux/i386/brk.c
View File

@ -1,5 +1,5 @@
/* brk system call for Linux/i386.
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -21,6 +21,8 @@
#include <unistd.h>
#include <sysdep.h>
#include <bp-checks.h>
/* This must be initialized data because commons can't have aliases. */
void *__curbrk = 0;
@ -32,14 +34,14 @@ weak_alias (__curbrk, ___brk_addr)
int
__brk (void *addr)
{
void *newbrk, *scratch;
void *__unbounded newbrk, *__unbounded scratch;
asm ("movl %%ebx, %1\n" /* Save %ebx in scratch register. */
"movl %3, %%ebx\n" /* Put ADDR in %ebx to be syscall arg. */
"int $0x80 # %2\n" /* Perform the system call. */
"movl %1, %%ebx\n" /* Restore %ebx from scratch register. */
: "=a" (newbrk), "=r" (scratch)
: "0" (SYS_ify (brk)), "g" (addr));
: "0" (SYS_ify (brk)), "g" (__ptrvalue (addr)));
__curbrk = newbrk;

18
sysdeps/unix/sysv/linux/i386/chown.c
View File

@ -21,11 +21,11 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <kernel-features.h>
#include <linux/posix_types.h>
#include <shlib-compat.h>
#include <bp-checks.h>
#include <linux/posix_types.h>
#include "kernel-features.h"
/*
In Linux 2.1.x the chown functions have been changed. A new function lchown
@ -68,7 +68,7 @@ __real_chown (const char *file, uid_t owner, gid_t group)
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (chown32, 3, file, owner, group);
result = INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
if (result == 0 || errno != ENOSYS)
return result;
@ -83,7 +83,7 @@ __real_chown (const char *file, uid_t owner, gid_t group)
return -1;
}
result = INLINE_SYSCALL (chown, 3, file, owner, group);
result = INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
if (result >= 0 || errno != ENOSYS)
return result;
@ -95,7 +95,7 @@ __real_chown (const char *file, uid_t owner, gid_t group)
return __lchown (file, owner, group);
# elif __ASSUME_32BITUIDS
/* This implies __ASSUME_LCHOWN_SYSCALL. */
return INLINE_SYSCALL (chown32, 3, file, owner, group);
return INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
# else
/* !__ASSUME_32BITUIDS && ASSUME_LCHOWN_SYSCALL */
# ifdef __NR_chown32
@ -104,7 +104,7 @@ __real_chown (const char *file, uid_t owner, gid_t group)
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (chown32, 3, file, owner, group);
result = INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
if (result == 0 || errno != ENOSYS)
return result;
@ -119,7 +119,7 @@ __real_chown (const char *file, uid_t owner, gid_t group)
return -1;
}
return INLINE_SYSCALL (chown, 3, file, owner, group);
return INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
# endif
}
#endif
@ -130,7 +130,7 @@ __real_chown (const char *file, uid_t owner, gid_t group)
int
__chown_is_lchown (const char *file, uid_t owner, gid_t group)
{
return INLINE_SYSCALL (chown, 3, file, owner, group);
return INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
}
#elif SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
/* Compiling for compatibiity. */

21
sysdeps/unix/sysv/linux/i386/fxstat.c
View File

@ -28,14 +28,16 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#include <xstatconv.c>
extern int __syscall_fstat (int, struct kernel_stat *);
extern int __syscall_fstat (int, struct kernel_stat *__unbounded);
#ifdef __NR_stat64
extern int __syscall_fstat64 (int, struct stat64 *);
extern int __syscall_fstat64 (int, struct stat64 *__unbounded);
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
@ -52,14 +54,13 @@ __fxstat (int vers, int fd, struct stat *buf)
int result;
if (vers == _STAT_VER_KERNEL)
{
return INLINE_SYSCALL (fstat, 2, fd, (struct kernel_stat *) buf);
}
return INLINE_SYSCALL (fstat, 2, fd, CHECK_1 ((struct kernel_stat *) buf));
#if __ASSUME_STAT64_SYSCALL > 0
{
struct stat64 buf64;
result = INLINE_SYSCALL (fstat64, 2, fd, &buf64);
result = INLINE_SYSCALL (fstat64, 2, fd, __ptrvalue (&buf64));
if (result == 0)
result = xstat32_conv (vers, &buf64, buf);
return result;
@ -73,19 +74,19 @@ __fxstat (int vers, int fd, struct stat *buf)
{
struct stat64 buf64;
result = INLINE_SYSCALL (fstat64, 2, fd, &buf64);
result = INLINE_SYSCALL (fstat64, 2, fd, __ptrvalue (&buf64));
if (result == 0)
result = xstat32_conv (vers, &buf64, buf);
if (result != -1 || errno != ENOSYS)
return result;
__have_no_stat64 = 1;
}
# endif
# endif
result = INLINE_SYSCALL (fstat, 2, fd, &kbuf);
result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf));
if (result == 0)
result = xstat_conv (vers, &kbuf, buf);

15
sysdeps/unix/sysv/linux/i386/getgroups.c
View File

@ -23,14 +23,16 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <linux/posix_types.h>
#include <kernel-features.h>
extern int __syscall_getgroups(int, __kernel_gid_t *);
extern int __syscall_getgroups (int, __kernel_gid_t *__unbounded);
#ifdef __NR_getgroups32
extern int __syscall_getgroups32 (int, __kernel_gid32_t *);
extern int __syscall_getgroups32 (int, __kernel_gid32_t *__unbounded);
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
uids. */
@ -51,7 +53,7 @@ __getgroups (int n, gid_t *groups)
else
{
#if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (getgroups32, 2, n, groups);
return INLINE_SYSCALL (getgroups32, 2, n, CHECK_N (groups, n));
#else
int i, ngids;
__kernel_gid_t kernel_groups[n = MIN (n, __sysconf (_SC_NGROUPS_MAX))];
@ -61,7 +63,7 @@ __getgroups (int n, gid_t *groups)
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (getgroups32, 2, n, groups);
result = INLINE_SYSCALL (getgroups32, 2, n, CHECK_N (groups, n));
if (result == 0 || errno != ENOSYS)
return result;
@ -70,11 +72,10 @@ __getgroups (int n, gid_t *groups)
}
# endif /* __NR_getgroups32 */
ngids = INLINE_SYSCALL (getgroups, 2, n, kernel_groups);
ngids = INLINE_SYSCALL (getgroups, 2, n, CHECK_N (kernel_groups, n));
if (n != 0 && ngids > 0)
for (i = 0; i < ngids; i++)
groups[i] = kernel_groups[i];
(__ptrvalue (groups))[i] = kernel_groups[i];
return ngids;
#endif
}

23
sysdeps/unix/sysv/linux/i386/getresgid.c
View File

@ -24,16 +24,20 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#ifdef __NR_getresgid
extern int __syscall_getresgid (__kernel_gid_t *rgid, __kernel_gid_t *egid,
__kernel_gid_t *sgid);
extern int __syscall_getresgid (__kernel_gid_t *__unbounded rgid,
__kernel_gid_t *__unbounded egid,
__kernel_gid_t *__unbounded sgid);
# ifdef __NR_getresgid32
extern int __syscall_getresgid32 (__kernel_gid32_t *rgid, __kernel_gid32_t *egid,
__kernel_gid32_t *sgid);
extern int __syscall_getresgid32 (__kernel_gid32_t *__unbounded rgid,
__kernel_gid32_t *__unbounded egid,
__kernel_gid32_t *__unbounded sgid);
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
@ -47,8 +51,9 @@ int
getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid)
{
# if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (getresgid32, 3, rgid, egid, sgid);
# else
return INLINE_SYSCALL (getresgid32, 3, CHECK_1 (rgid),
CHECK_1 (egid), CHECK_1 (sgid));
# else
__kernel_gid_t k_rgid, k_egid, k_sgid;
int result;
# ifdef __NR_getresgid32
@ -57,7 +62,8 @@ getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid)
int r;
int saved_errno = errno;
r = INLINE_SYSCALL (getresgid32, 3, rgid, egid, sgid);
r = INLINE_SYSCALL (getresgid32, 3, CHECK_1 (rgid),
CHECK_1 (egid), CHECK_1 (sgid));
if (r == 0 || errno != ENOSYS)
return r;
@ -66,7 +72,8 @@ getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid)
}
# endif /* __NR_getresgid32 */
result = INLINE_SYSCALL (getresgid, 3, &k_rgid, &k_egid, &k_sgid);
result = INLINE_SYSCALL (getresgid, 3, __ptrvalue (&k_rgid),
__ptrvalue (&k_egid), __ptrvalue (&k_sgid));
if (result == 0)
{

20
sysdeps/unix/sysv/linux/i386/getresuid.c
View File

@ -24,17 +24,20 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#ifdef __NR_getresuid
extern int __syscall_getresuid (__kernel_uid_t *ruid, __kernel_uid_t *euid,
__kernel_uid_t *suid);
extern int __syscall_getresuid (__kernel_uid_t *__unbounded ruid,
__kernel_uid_t *__unbounded euid,
__kernel_uid_t *__unbounded suid);
# ifdef __NR_getresuid32
extern int __syscall_getresuid32 (__kernel_uid32_t *ruid, __kernel_uid32_t *euid,
__kernel_uid32_t *suid);
extern int __syscall_getresuid32 (__kernel_uid32_t *__unbounded ruid,
__kernel_uid32_t *__unbounded euid,
__kernel_uid32_t *__unbounded suid);
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
uids. */
@ -46,7 +49,8 @@ int
getresuid (uid_t *ruid, uid_t *euid, uid_t *suid)
{
# if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (getresuid32, 3, ruid, euid, suid);
return INLINE_SYSCALL (getresuid32, 3, CHECK_1 (ruid),
CHECK_1 (euid), CHECK_1 (suid));
# else
__kernel_uid_t k_ruid, k_euid, k_suid;
int result;
@ -56,7 +60,8 @@ getresuid (uid_t *ruid, uid_t *euid, uid_t *suid)
int r;
int saved_errno = errno;
r = INLINE_SYSCALL (getresuid32, 3, ruid, euid, suid);
r = INLINE_SYSCALL (getresuid32, 3, CHECK_1 (ruid),
CHECK_1 (euid), CHECK_1 (suid));
if (r == 0 || errno != ENOSYS)
return r;
@ -65,7 +70,8 @@ getresuid (uid_t *ruid, uid_t *euid, uid_t *suid)
}
# endif /* __NR_getresuid32 */
result = INLINE_SYSCALL (getresuid, 3, &k_ruid, &k_euid, &k_suid);
result = INLINE_SYSCALL (getresuid, 3, __ptrvalue (&k_ruid),
__ptrvalue (&k_euid), __ptrvalue (&k_suid));
if (result == 0)
{

13
sysdeps/unix/sysv/linux/i386/getrlimit.c
View File

@ -22,11 +22,14 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <shlib-compat.h>
#include <bp-checks.h>
#include "kernel-features.h"
extern int __syscall_ugetrlimit (unsigned int resource,
struct rlimit *rlimits);
extern int __syscall_getrlimit (unsigned int resource, struct rlimit *rlimits);
struct rlimit *__unbounded rlimits);
extern int __syscall_getrlimit (unsigned int resource,
struct rlimit *__unbounded rlimits);
/* Linux 2.3.25 introduced a new system call since the types used for
the limits are now unsigned. */
@ -38,14 +41,14 @@ int
__new_getrlimit (enum __rlimit_resource resource, struct rlimit *rlimits)
{
#ifdef __ASSUME_NEW_GETRLIMIT_SYSCALL
return INLINE_SYSCALL (ugetrlimit, 2, resource, rlimits);
return INLINE_SYSCALL (ugetrlimit, 2, resource, CHECK_1 (rlimits));
#else
int result;
# ifdef __NR_ugetrlimit
if (__have_no_new_getrlimit <= 0)
{
result = INLINE_SYSCALL (ugetrlimit, 2, resource, rlimits);
result = INLINE_SYSCALL (ugetrlimit, 2, resource, CHECK_1 (rlimits));
/* If the system call is available remember this fact and return. */
if (result != -1 || errno != ENOSYS)
@ -60,7 +63,7 @@ __new_getrlimit (enum __rlimit_resource resource, struct rlimit *rlimits)
# endif
/* Fall back to the old system call. */
result = INLINE_SYSCALL (getrlimit, 2, resource, rlimits);
result = INLINE_SYSCALL (getrlimit, 2, resource, CHECK_1 (rlimits));
if (result == -1)
return result;

11
sysdeps/unix/sysv/linux/i386/lchown.c
View File

@ -21,16 +21,17 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <linux/posix_types.h>
#include "kernel-features.h"
#ifdef __NR_lchown
extern int __syscall_lchown (const char *__file,
extern int __syscall_lchown (const char *__unbounded __file,
__kernel_uid_t __owner, __kernel_gid_t __group);
# ifdef __NR_lchown32
extern int __syscall_lchown32 (const char *__file,
extern int __syscall_lchown32 (const char *__unbounded __file,
__kernel_uid32_t __owner, __kernel_gid32_t __group);
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
@ -43,7 +44,7 @@ int
__lchown (const char *file, uid_t owner, gid_t group)
{
# if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (lchown32, 3, file, owner, group);
return INLINE_SYSCALL (lchown32, 3, CHECK_STRING (file), owner, group);
# else
# ifdef __NR_lchown32
if (__libc_missing_32bit_uids <= 0)
@ -51,7 +52,7 @@ __lchown (const char *file, uid_t owner, gid_t group)
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (lchown32, 3, file, owner, group);
result = INLINE_SYSCALL (lchown32, 3, CHECK_STRING (file), owner, group);
if (result == 0 || errno != ENOSYS)
return result;
@ -67,7 +68,7 @@ __lchown (const char *file, uid_t owner, gid_t group)
return -1;
}
return INLINE_SYSCALL (lchown, 3, file, owner, group);
return INLINE_SYSCALL (lchown, 3, CHECK_STRING (file), owner, group);
# endif
}

22
sysdeps/unix/sysv/linux/i386/lxstat.c
View File

@ -28,14 +28,18 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#include <xstatconv.c>
extern int __syscall_lstat (const char *, struct kernel_stat *);
extern int __syscall_lstat (const char *__unbounded,
struct kernel_stat *__unbounded);
#ifdef __NR_stat64
extern int __syscall_lstat64 (const char *, struct stat64 *);
extern int __syscall_lstat64 (const char *__unbounded,
struct stat64 *__unbounded);
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
@ -53,15 +57,13 @@ __lxstat (int vers, const char *name, struct stat *buf)
int result;
if (vers == _STAT_VER_KERNEL)
{
return INLINE_SYSCALL (lstat, 2, name, (struct kernel_stat *) buf);
}
return INLINE_SYSCALL (lstat, 2, CHECK_STRING (name), CHECK_1 ((struct kernel_stat *) buf));
#if __ASSUME_STAT64_SYSCALL > 0
{
struct stat64 buf64;
result = INLINE_SYSCALL (lstat64, 2, name, &buf64);
result = INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), __ptrvalue (&buf64));
if (result == 0)
result = xstat32_conv (vers, &buf64, buf);
return result;
@ -74,7 +76,7 @@ __lxstat (int vers, const char *name, struct stat *buf)
if (! __have_no_stat64)
{
struct stat64 buf64;
result = INLINE_SYSCALL (lstat64, 2, name, &buf64);
result = INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), __ptrvalue (&buf64));
if (result == 0)
result = xstat32_conv (vers, &buf64, buf);
@ -84,9 +86,9 @@ __lxstat (int vers, const char *name, struct stat *buf)
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (lstat, 2, name, &kbuf);
# endif
result = INLINE_SYSCALL (lstat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
if (result == 0)
result = xstat_conv (vers, &kbuf, buf);

15
sysdeps/unix/sysv/linux/i386/setgroups.c
View File

@ -23,14 +23,16 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <linux/posix_types.h>
#include "kernel-features.h"
extern int __syscall_setgroups (int, const __kernel_gid_t *);
extern int __syscall_setgroups (int, const __kernel_gid_t *__unbounded);
#ifdef __NR_setgroups32
extern int __syscall_setgroups32 (int, const __kernel_gid32_t *);
extern int __syscall_setgroups32 (int, const __kernel_gid32_t *__unbounded);
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
uids. */
@ -52,17 +54,18 @@ setgroups (size_t n, const gid_t *groups)
else
{
#if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (setgroups32, 2, n, groups);
return INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
#else
size_t i;
__kernel_gid_t kernel_groups[n];
# ifdef __NR_setgroups32
if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (setgroups32, 2, n, groups);
result = INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
if (result == 0 || errno != ENOSYS)
return result;
@ -72,7 +75,7 @@ setgroups (size_t n, const gid_t *groups)
# endif /* __NR_setgroups32 */
for (i = 0; i < n; i++)
{
kernel_groups[i] = groups[i];
kernel_groups[i] = (__ptrvalue (groups))[i];
if (groups[i] != (gid_t) ((__kernel_gid_t) groups[i]))
{
__set_errno (EINVAL);
@ -80,7 +83,7 @@ setgroups (size_t n, const gid_t *groups)
}
}
return INLINE_SYSCALL (setgroups, 2, n, kernel_groups);
return INLINE_SYSCALL (setgroups, 2, n, CHECK_N (kernel_groups, n));
#endif
}
}

15
sysdeps/unix/sysv/linux/i386/setrlimit.c
View File

@ -22,14 +22,15 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <shlib-compat.h>
#include <bp-checks.h>
#include "kernel-features.h"
#include <shlib-compat.h>
extern int __syscall_setrlimit (unsigned int resource,
const struct rlimit *rlimits);
const struct rlimit *__unbounded rlimits);
extern int __syscall_ugetrlimit (unsigned int resource,
const struct rlimit *rlimits);
const struct rlimit *__unbounded rlimits);
/* Linux 2.3.25 introduced a new system call since the types used for
the limits are now unsigned. */
@ -41,7 +42,7 @@ int
__new_setrlimit (enum __rlimit_resource resource, const struct rlimit *rlimits)
{
#ifdef __ASSUME_NEW_GETRLIMIT_SYSCALL
return INLINE_SYSCALL (setrlimit, 2, resource, rlimits);
return INLINE_SYSCALL (setrlimit, 2, resource, CHECK_1 (rlimits));
#else
struct rlimit rlimits_small;
@ -51,7 +52,7 @@ __new_setrlimit (enum __rlimit_resource resource, const struct rlimit *rlimits)
/* Check if the new ugetrlimit syscall exists. We must do this
first because older kernels don't reject negative rlimit
values in setrlimit. */
int result = INLINE_SYSCALL (ugetrlimit, 2, resource, &rlimits_small);
int result = INLINE_SYSCALL (ugetrlimit, 2, resource, __ptrvalue (&rlimits_small));
if (result != -1 || errno != ENOSYS)
/* The syscall exists. */
__have_no_new_getrlimit = -1;
@ -60,7 +61,7 @@ __new_setrlimit (enum __rlimit_resource resource, const struct rlimit *rlimits)
__have_no_new_getrlimit = 1;
}
if (__have_no_new_getrlimit < 0)
return INLINE_SYSCALL (setrlimit, 2, resource, rlimits);
return INLINE_SYSCALL (setrlimit, 2, resource, CHECK_1 (rlimits));
# endif
/* We might have to correct the limits values. Since the old values
@ -71,7 +72,7 @@ __new_setrlimit (enum __rlimit_resource resource, const struct rlimit *rlimits)
RLIM_INFINITY >> 1);
/* Use the adjusted values. */
return INLINE_SYSCALL (setrlimit, 2, resource, &rlimits_small);
return INLINE_SYSCALL (setrlimit, 2, resource, __ptrvalue (&rlimits_small));
#endif
}

12
sysdeps/unix/sysv/linux/i386/sigaction.c
View File

@ -37,8 +37,8 @@
#define SA_RESTORER 0x04000000
extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *,
struct kernel_sigaction *, size_t);
extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *__unbounded,
struct kernel_sigaction *__unbounded, size_t);
#if __ASSUME_REALTIME_SIGNALS == 0
/* The variable is shared between all wrappers around signal handling
@ -86,8 +86,9 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
result = INLINE_SYSCALL (rt_sigaction, 4, sig, act ? &kact : NULL,
oact ? &koact : NULL, _NSIG / 8);
result = INLINE_SYSCALL (rt_sigaction, 4,
sig, act ? __ptrvalue (&kact) : NULL,
oact ? __ptrvalue (&koact) : NULL, _NSIG / 8);
# if __ASSUME_REALTIME_SIGNALS == 0
if (result >= 0 || errno != ENOSYS)
@ -126,7 +127,8 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
"popl %%ebx"
: "=a" (result)
: "0" (SYS_ify (sigaction)), "r" (sig),
"c" (act ? &k_newact : 0), "d" (oact ? &k_oldact : 0));
"c" (act ? __ptrvalue (&k_newact) : 0),
"d" (oact ? __ptrvalue (&k_oldact) : 0));
if (result < 0)
{

25
sysdeps/unix/sysv/linux/i386/xstat.c
View File

@ -28,15 +28,19 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#include <xstatconv.c>
extern int __syscall_stat (const char *, struct kernel_stat *);
extern int __syscall_stat (const char *__unbounded,
struct kernel_stat *__unbounded);
#ifdef __NR_stat64
extern int __syscall_stat64 (const char *, struct stat64 *);
# if __ASSUME_STAT64_SYSCALL == 0
extern int __syscall_stat64 (const char *__unbounded,
struct stat64 *__unbounded);
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
# endif
@ -53,14 +57,13 @@ __xstat (int vers, const char *name, struct stat *buf)
int result;
if (vers == _STAT_VER_KERNEL)
{
return INLINE_SYSCALL (stat, 2, name, (struct kernel_stat *) buf);
}
return INLINE_SYSCALL (stat, 2, CHECK_STRING (name), CHECK_1 ((struct kernel_stat *) buf));
#if __ASSUME_STAT64_SYSCALL > 0
{
struct stat64 buf64;
result = INLINE_SYSCALL (stat64, 2, name, &buf64);
result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), __ptrvalue (&buf64));
if (result == 0)
result = xstat32_conv (vers, &buf64, buf);
return result;
@ -73,7 +76,7 @@ __xstat (int vers, const char *name, struct stat *buf)
{
struct stat64 buf64;
result = INLINE_SYSCALL (stat64, 2, name, &buf64);
result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), __ptrvalue (&buf64));
if (result == 0)
result = xstat32_conv (vers, &buf64, buf);
@ -83,8 +86,8 @@ __xstat (int vers, const char *name, struct stat *buf)
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (stat, 2, name, &kbuf);
# endif
result = INLINE_SYSCALL (stat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
if (result == 0)
result = xstat_conv (vers, &kbuf, buf);
@ -94,6 +97,6 @@ __xstat (int vers, const char *name, struct stat *buf)
weak_alias (__xstat, _xstat);
#ifdef XSTAT_IS_XSTAT64
#undef __xstat64
# undef __xstat64
strong_alias (__xstat, __xstat64);
#endif

5
sysdeps/unix/sysv/linux/ia64/fxstat.c
View File

@ -27,14 +27,15 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_fstat (int, struct stat *);
extern int __syscall_fstat (int, struct stat *__unbounded);
/* Get information about the file FD in BUF. */
int
__fxstat (int vers, int fd, struct stat *buf)
{
return INLINE_SYSCALL (fstat, 2, fd, buf);
return INLINE_SYSCALL (fstat, 2, fd, CHECK_1 (buf));
}
weak_alias (__fxstat, _fxstat);

5
sysdeps/unix/sysv/linux/ia64/lxstat.c
View File

@ -27,14 +27,15 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_lstat (const char *, struct stat *);
extern int __syscall_lstat (const char *__unbounded, struct stat *__unbounded);
/* Get information about the file FD in BUF. */
int
__lxstat (int vers, const char *name, struct stat *buf)
{
return INLINE_SYSCALL (lstat, 2, name, buf);
return INLINE_SYSCALL (lstat, 2, CHECK_STRING (name), CHECK_1 (buf));
}
weak_alias (__lxstat, _lxstat);

8
sysdeps/unix/sysv/linux/ia64/sigaction.c
View File

@ -27,9 +27,10 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_rt_sigaction (int, const struct sigaction *,
struct sigaction *, size_t);
extern int __syscall_rt_sigaction (int, const struct sigaction *__unbounded,
struct sigaction *__unbounded, size_t);
/* The variable is shared between all wrappers around signal handling
functions which have RT equivalents. This is the definition. */
@ -45,7 +46,8 @@ __libc_sigaction (sig, act, oact)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigaction, 4, sig, act, oact, _NSIG / 8);
return INLINE_SYSCALL (rt_sigaction, 4, sig,
CHECK_1opt (act), CHECK_1opt (oact), _NSIG / 8);
}
strong_alias (__libc_sigaction, __sigaction)

5
sysdeps/unix/sysv/linux/ia64/sigpending.c
View File

@ -25,8 +25,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_rt_sigpending (sigset_t *, size_t);
extern int __syscall_rt_sigpending (sigset_t *__unbounded, size_t);
/* Change the set of blocked signals to SET,
@ -37,5 +38,5 @@ sigpending (set)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigpending, 2, set, _NSIG / 8);
return INLINE_SYSCALL (rt_sigpending, 2, CHECK_SIGSET (set), _NSIG / 8);
}

8
sysdeps/unix/sysv/linux/ia64/sigprocmask.c
View File

@ -27,9 +27,10 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_rt_sigprocmask (int, const sigset_t *, sigset_t *,
size_t);
extern int __syscall_rt_sigprocmask (int, const sigset_t *__unbounded,
sigset_t *__unbounded, size_t);
/* Get and/or change the set of blocked signals. */
int
@ -41,6 +42,7 @@ __sigprocmask (how, set, oset)
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8);
return INLINE_SYSCALL (rt_sigprocmask, 4, how, CHECK_SIGSET (set),
CHECK_SIGSETopt (oset), _NSIG / 8);
}
weak_alias (__sigprocmask, sigprocmask)

5
sysdeps/unix/sysv/linux/ia64/sigsuspend.c
View File

@ -22,8 +22,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_rt_sigsuspend (const sigset_t *, size_t);
extern int __syscall_rt_sigsuspend (const sigset_t *__unbounded, size_t);
/* Change the set of blocked signals to SET,
@ -34,6 +35,6 @@ __sigsuspend (set)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8);
return INLINE_SYSCALL (rt_sigsuspend, 2, CHECK_SIGSET (set), _NSIG / 8);
}
weak_alias (__sigsuspend, sigsuspend)

5
sysdeps/unix/sysv/linux/ia64/xstat.c
View File

@ -27,14 +27,15 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_stat (const char *, struct stat *);
extern int __syscall_stat (const char *__unbounded, struct stat *__unbounded);
/* Get information about the file NAME in BUF. */
int
__xstat (int vers, const char *name, struct stat *buf)
{
return INLINE_SYSCALL (stat, 2, name, buf);
return INLINE_SYSCALL (stat, 2, name, CHECK_1 (buf));
}
weak_alias (__xstat, _xstat);

4
sysdeps/unix/sysv/linux/llseek.c
View File

@ -24,7 +24,7 @@
#include <sys/syscall.h>
extern int __syscall__llseek (int fd, off_t offset_hi, off_t offset_lo,
loff_t *result, int whence);
loff_t *__unbounded result, int whence);
/* Seek to OFFSET on FD, starting from WHENCE. */
loff_t
@ -34,7 +34,7 @@ __llseek (int fd, loff_t offset, int whence)
return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
(off_t) (offset & 0xffffffff),
&result, whence) ?: result);
__ptrvalue (&result), whence) ?: result);
}
weak_alias (__llseek, llseek)
strong_alias (__llseek, __libc_lseek64)

12
sysdeps/unix/sysv/linux/lxstat.c
View File

@ -1,5 +1,5 @@
/* lxstat using old-style Unix lstat system call.
Copyright (C) 1991, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1991, 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -28,10 +28,11 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <xstatconv.c>
extern int __syscall_lstat (const char *, struct kernel_stat *);
extern int __syscall_lstat (const char *__unbounded, struct kernel_stat *__unbounded);
/* Get information about the file NAME in BUF. */
int
@ -41,11 +42,10 @@ __lxstat (int vers, const char *name, struct stat *buf)
int result;
if (vers == _STAT_VER_KERNEL)
{
return INLINE_SYSCALL (lstat, 2, name, (struct kernel_stat *) buf);
}
return INLINE_SYSCALL (lstat, 2, CHECK_STRING (name),
CHECK_1 ((struct kernel_stat *) buf));
result = INLINE_SYSCALL (lstat, 2, name, &kbuf);
result = INLINE_SYSCALL (lstat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
if (result == 0)
result = xstat_conv (vers, &kbuf, buf);

14
sysdeps/unix/sysv/linux/lxstat64.c
View File

@ -1,5 +1,5 @@
/* lxstat64 using old-style Unix lstat system call.
Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -24,16 +24,18 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.c>
#endif
extern int __syscall_lstat (const char *, struct kernel_stat *);
extern int __syscall_lstat (const char *__unbounded, struct kernel_stat *__unbounded);
#ifdef __NR_lstat64
extern int __syscall_lstat64 (const char *, struct stat64 *);
extern int __syscall_lstat64 (const char *__unbounded, struct stat64 *__unbounded);
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
@ -45,7 +47,7 @@ int
__lxstat64 (int vers, const char *name, struct stat64 *buf)
{
#ifdef __ASSUME_STAT64_SYSCALL
return INLINE_SYSCALL (lstat64, 2, name, buf);
return INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), CHECK_1 (buf));
#else
struct kernel_stat kbuf;
int result;
@ -53,7 +55,7 @@ __lxstat64 (int vers, const char *name, struct stat64 *buf)
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (lstat64, 2, name, buf);
result = INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), CHECK_1 (buf));
if (result != -1 || errno != ENOSYS)
return result;
@ -62,7 +64,7 @@ __lxstat64 (int vers, const char *name, struct stat64 *buf)
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (lstat, 2, name, &kbuf);
result = INLINE_SYSCALL (lstat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
if (result == 0)
result = xstat64_conv (vers, &kbuf, buf);

11
sysdeps/unix/sysv/linux/m68k/chown.c
View File

@ -21,14 +21,15 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <linux/posix_types.h>
extern int __syscall_chown (const char *__file,
extern int __syscall_chown (const char *__unbounded __file,
__kernel_uid_t __owner, __kernel_gid_t __group);
#ifdef __NR_chown32
extern int __syscall_chown32 (const char *__file,
extern int __syscall_chown32 (const char *__unbounded __file,
__kernel_uid32_t owner, __kernel_gid32_t group);
# if __ASSUME_32BITUIDS == 0
@ -42,7 +43,7 @@ int
__chown (const char *file, uid_t owner, gid_t group)
{
#if __ASSUME_32BITUIDS
return INLINE_SYSCALL (chown32, 3, file, owner, group);
return INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
#else
# ifdef __NR_chown32
if (__libc_missing_32bit_uids <= 0)
@ -50,7 +51,7 @@ __chown (const char *file, uid_t owner, gid_t group)
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (chown32, 3, file, owner, group);
result = INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
if (result == 0 || errno != ENOSYS)
return result;
@ -66,7 +67,7 @@ __chown (const char *file, uid_t owner, gid_t group)
return -1;
}
return INLINE_SYSCALL (chown, 3, file, owner, group);
return INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
#endif
}
weak_alias (__chown, chown)

7
sysdeps/unix/sysv/linux/mips/pread.c
View File

@ -23,6 +23,7 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <kernel-features.h>
@ -32,8 +33,8 @@
static ssize_t __emulate_pread (int fd, void *buf, size_t count,
off_t offset) internal_function;
# endif
extern ssize_t __syscall_pread (int fd, void *buf, size_t count, int dummy,
off_t offset_hi, off_t offset_lo);
extern ssize_t __syscall_pread (int fd, void *__unbounded buf, size_t count,
int dummy, off_t offset_hi, off_t offset_lo);
@ -47,7 +48,7 @@ __libc_pread (fd, buf, count, offset)
ssize_t result;
/* First try the syscall. */
result = INLINE_SYSCALL (pread, 6, fd, buf, count, 0,
result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (0, offset));
# if __ASSUME_PREAD_SYSCALL == 0
if (result == -1 && errno == ENOSYS)

7
sysdeps/unix/sysv/linux/mips/pread64.c
View File

@ -23,6 +23,7 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <kernel-features.h>
@ -33,8 +34,8 @@ static ssize_t __emulate_pread64 (int fd, void *buf, size_t count,
off64_t offset) internal_function;
# endif
extern ssize_t __syscall_pread (int fd, void *buf, size_t count, int dummy,
off_t offset_hi, off_t offset_lo);
extern ssize_t __syscall_pread (int fd, void *__unbounded buf, size_t count,
int dummy, off_t offset_hi, off_t offset_lo);
@ -48,7 +49,7 @@ __libc_pread64 (fd, buf, count, offset)
ssize_t result;
/* First try the syscall. */
result = INLINE_SYSCALL (pread, 6, fd, buf, count, 0,
result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
# if __ASSUME_PREAD_SYSCALL == 0

5
sysdeps/unix/sysv/linux/mips/pwrite.c
View File

@ -23,12 +23,13 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <kernel-features.h>
#if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count,
extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count,
int dummy, off_t offset_hi, off_t offset_lo);
# if __ASSUME_PWRITE_SYSCALL == 0
@ -46,7 +47,7 @@ __libc_pwrite (fd, buf, count, offset)
ssize_t result;
/* First try the syscall. */
result = INLINE_SYSCALL (pwrite, 6, fd, buf, count, 0,
result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (0, offset));
# if __ASSUME_PWRITE_SYSCALL == 0
if (result == -1 && errno == ENOSYS)

5
sysdeps/unix/sysv/linux/mips/pwrite64.c
View File

@ -23,12 +23,13 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <kernel-features.h>
#if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count,
extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count,
int dummy, off_t offset_hi, off_t offset_lo);
# if __ASSUME_PWRITE_SYSCALL == 0
@ -46,7 +47,7 @@ __libc_pwrite64 (fd, buf, count, offset)
ssize_t result;
/* First try the syscall. */
result = INLINE_SYSCALL (pwrite, 6, fd, buf, count, 0,
result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
# if __ASSUME_PWRITE_SYSCALL == 0

5
sysdeps/unix/sysv/linux/mips/truncate64.c
View File

@ -23,6 +23,7 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
@ -33,7 +34,7 @@ int __have_no_truncate64;
#endif
/* The order of hight, low depends on endianness. */
extern int __syscall_truncate64 (const char *path, int dummy,
extern int __syscall_truncate64 (const char *__unbounded path, int dummy,
int high_length, int low_length);
@ -50,7 +51,7 @@ truncate64 (const char *path, off64_t length)
#ifndef __ASSUME_TRUNCATE64_SYSCALL
int saved_errno = errno;
#endif
int result = INLINE_SYSCALL (truncate64, 3, path, 0,
int result = INLINE_SYSCALL (truncate64, 3, CHECK_STRING (path), 0,
__LONG_LONG_PAIR (high, low));
#ifndef __ASSUME_TRUNCATE64_SYSCALL
if (result != -1 || errno != ENOSYS)

7
sysdeps/unix/sysv/linux/mips/ustat.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@ -23,8 +23,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_ustat (unsigned long dev, struct ustat *ubuf);
extern int __syscall_ustat (unsigned long dev, struct ustat *__unbounded ubuf);
int
ustat (dev_t dev, struct ustat *ubuf)
@ -34,5 +35,5 @@ ustat (dev_t dev, struct ustat *ubuf)
/* We must convert the value to dev_t type used by the kernel. */
k_dev = ((major (dev) & 0xff) << 8) | (minor (dev) & 0xff);
return INLINE_SYSCALL (ustat, 2, k_dev, ubuf);
return INLINE_SYSCALL (ustat, 2, k_dev, CHECK_1 (ubuf));
}

7
sysdeps/unix/sysv/linux/mips/xmknod.c
View File

@ -1,5 +1,5 @@
/* xmknod call using old-style Unix mknod system call.
Copyright (C) 1991, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
Copyright (C) 1991, 93, 95, 96, 97, 98, 00 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -24,8 +24,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_mknod (const char *, unsigned long, unsigned int);
extern int __syscall_mknod (const char *__unbounded, unsigned long, unsigned int);
/* Create a device file named PATH, with permission and special bits MODE
and device number DEV (which can be constructed from major and minor
@ -44,7 +45,7 @@ __xmknod (int vers, const char *path, mode_t mode, dev_t *dev)
/* We must convert the value to dev_t type used by the kernel. */
k_dev = ((major (*dev) & 0xff) << 8) | (minor (*dev) & 0xff);
return INLINE_SYSCALL (mknod, 3, path, mode, k_dev);
return INLINE_SYSCALL (mknod, 3, CHECK_STRING (path), mode, k_dev);
}
weak_alias (__xmknod, _xmknod)

9
sysdeps/unix/sysv/linux/poll.c
View File

@ -22,13 +22,14 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if defined __NR_poll || __ASSUME_POLL_SYSCALL > 0
extern int __syscall_poll (struct pollfd *fds, unsigned int nfds,
int timeout);
extern int __syscall_poll (struct pollfd *__unbounded fds,
unsigned int nfds, int timeout);
# if __ASSUME_POLL_SYSCALL == 0
static int __emulate_poll (struct pollfd *fds, unsigned long int nfds,
@ -48,7 +49,7 @@ __poll (fds, nfds, timeout)
if (!must_emulate)
{
int errno_saved = errno;
int retval = INLINE_SYSCALL (poll, 3, fds, nfds, timeout);
int retval = INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout);
if (retval >= 0 || errno != ENOSYS)
return retval;
@ -59,7 +60,7 @@ __poll (fds, nfds, timeout)
return __emulate_poll (fds, nfds, timeout);
# else
return INLINE_SYSCALL (poll, 3, fds, nfds, timeout);
return INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout);
# endif
}
weak_alias (__poll, poll)

6
sysdeps/unix/sysv/linux/pread.c
View File

@ -23,13 +23,14 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0
/* The order of hi, lo depends on endianness. */
extern ssize_t __syscall_pread (int fd, void *buf, size_t count,
extern ssize_t __syscall_pread (int fd, void *__unbounded buf, size_t count,
off_t offset_hi, off_t offset_lo);
# if __ASSUME_PREAD_SYSCALL == 0
@ -48,9 +49,8 @@ __libc_pread (fd, buf, count, offset)
ssize_t result;
/* First try the syscall. */
result = INLINE_SYSCALL (pread, 5, fd, buf, count,
result = INLINE_SYSCALL (pread, 5, fd, CHECK_N (buf, count), count,
__LONG_LONG_PAIR (0, offset));
# if __ASSUME_PREAD_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */

6
sysdeps/unix/sysv/linux/pread64.c
View File

@ -23,12 +23,13 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0
extern ssize_t __syscall_pread (int fd, void *buf, size_t count,
extern ssize_t __syscall_pread (int fd, void *__unbounded buf, size_t count,
off_t offset_hi, off_t offset_lo);
# if __ASSUME_PREAD_SYSCALL == 0
@ -47,10 +48,9 @@ __libc_pread64 (fd, buf, count, offset)
ssize_t result;
/* First try the syscall. */
result = INLINE_SYSCALL (pread, 5, fd, buf, count,
result = INLINE_SYSCALL (pread, 5, fd, CHECK_N (buf, count), count,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
# if __ASSUME_PREAD_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */

58
sysdeps/unix/sysv/linux/ptrace.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -19,12 +19,15 @@
#include <errno.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <sys/user.h>
#include <stdarg.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern long int __syscall_ptrace (int, pid_t, void *, void *);
extern long int __syscall_ptrace (int, pid_t, void *__unbounded,
void *__unbounded);
long int
ptrace (enum __ptrace_request request, ...)
@ -43,7 +46,56 @@ ptrace (enum __ptrace_request request, ...)
if (request > 0 && request < 4)
data = &ret;
res = INLINE_SYSCALL (ptrace, 4, request, pid, addr, data);
#if __BOUNDED_POINTERS__
switch (request)
{
case PTRACE_PEEKTEXT:
case PTRACE_PEEKDATA:
case PTRACE_PEEKUSER:
case PTRACE_POKETEXT:
case PTRACE_POKEDATA:
case PTRACE_POKEUSER:
CHECK_1 ((int *) addr);
CHECK_1 ((int *) data);
break;
case PTRACE_GETREGS:
case PTRACE_SETREGS:
#ifdef __i386__
CHECK_1 ((struct user_regs_struct *) data);
#else
/* We don't know the size of data, so the best we can do is ensure
that `data' is valid for at least one word. */
CHECK_1 ((int *) data);
#endif
break;
case PTRACE_GETFPREGS:
case PTRACE_SETFPREGS:
#ifdef __i386__
CHECK_1 ((struct user_fpregs_struct *) data);
#else
/* We don't know the size of data, so the best we can do is ensure
that `data' is valid for at least one word. */
CHECK_1 ((int *) data);
#endif
break;
case PTRACE_GETFPXREGS:
case PTRACE_SETFPXREGS:
#ifdef __i386__
CHECK_1 ((struct user_fpxregs_struct *) data);
#else
/* We don't know the size of data, so the best we can do is ensure
that `data' is valid for at least one word. */
CHECK_1 ((int *) data);
#endif
break;
};
#endif
res = INLINE_SYSCALL (ptrace, 4, request, pid,
__ptrvalue (addr), __ptrvalue (data));
if (res >= 0 && request > 0 && request < 4)
{
__set_errno (0);

5
sysdeps/unix/sysv/linux/pwrite.c
View File

@ -23,13 +23,14 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
/* The order of hi, lo depends on endianness. */
extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count,
extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count,
off_t offset_hi, off_t offset_lo);
# if __ASSUME_PWRITE_SYSCALL == 0
@ -48,7 +49,7 @@ __libc_pwrite (fd, buf, count, offset)
ssize_t result;
/* First try the syscall. */
result = INLINE_SYSCALL (pwrite, 5, fd, buf, count,
result = INLINE_SYSCALL (pwrite, 5, fd, CHECK_N (buf, count), count,
__LONG_LONG_PAIR (0, offset));
# if __ASSUME_PWRITE_SYSCALL == 0
if (result == -1 && errno == ENOSYS)

5
sysdeps/unix/sysv/linux/pwrite64.c
View File

@ -23,12 +23,13 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count,
extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count,
off_t offset_hi, off_t offset_lo);
# if __ASSUME_PWRITE_SYSCALL == 0
@ -47,7 +48,7 @@ __libc_pwrite64 (fd, buf, count, offset)
ssize_t result;
/* First try the syscall. */
result = INLINE_SYSCALL (pwrite, 5, fd, buf, count,
result = INLINE_SYSCALL (pwrite, 5, fd, CHECK_N (buf, count), count,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
# if __ASSUME_PWRITE_SYSCALL == 0

5
sysdeps/unix/sysv/linux/readv.c
View File

@ -24,8 +24,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern ssize_t __syscall_readv (int, __const struct iovec *, int);
extern ssize_t __syscall_readv (int, __const struct iovec *__unbounded, int);
static ssize_t __atomic_readv_replacement (int, __const struct iovec *,
int) internal_function;
@ -47,7 +48,7 @@ __readv (fd, vector, count)
int errno_saved = errno;
ssize_t bytes_read;
bytes_read = INLINE_SYSCALL (readv, 3, fd, vector, count);
bytes_read = INLINE_SYSCALL (readv, 3, fd, CHECK_N (vector, count), count);
if (bytes_read >= 0 || errno != EINVAL || count <= UIO_FASTIOV)
return bytes_read;

18
sysdeps/unix/sysv/linux/sigaction.c
View File

@ -35,11 +35,11 @@
functions which have RT equivalents. This is the definition. */
int __libc_missing_rt_sigs;
extern int __syscall_sigaction (int, const struct old_kernel_sigaction *,
struct old_kernel_sigaction *);
extern int __syscall_sigaction (int, const struct old_kernel_sigaction *__unbounded,
struct old_kernel_sigaction *__unbounded);
#endif
extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *,
struct kernel_sigaction *, size_t);
extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *__unbounded,
struct kernel_sigaction *__unbounded, size_t);
/* If ACT is not NULL, change the action for SIG to *ACT.
@ -80,8 +80,9 @@ __libc_sigaction (sig, act, oact)
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
result = INLINE_SYSCALL (rt_sigaction, 4, sig, act ? &kact : NULL,
oact ? &koact : NULL, _NSIG / 8);
result = INLINE_SYSCALL (rt_sigaction, 4, sig,
act ? __ptrvalue (&kact) : NULL,
oact ? __ptrvalue (&koact) : NULL, _NSIG / 8);
# if __ASSUME_REALTIME_SIGNALS == 0
if (result >= 0 || errno != ENOSYS)
@ -116,8 +117,9 @@ __libc_sigaction (sig, act, oact)
k_sigact.sa_restorer = act->sa_restorer;
# endif
}
result = INLINE_SYSCALL (sigaction, 3, sig, act ? &k_sigact : NULL,
oact ? &k_osigact : NULL);
result = INLINE_SYSCALL (sigaction, 3, sig,
act ? __ptrvalue (&k_sigact) : NULL,
oact ? __ptrvalue (&k_osigact) : NULL);
if (oact && result >= 0)
{
oact->sa_handler = k_osigact.k_sa_handler;

13
sysdeps/unix/sysv/linux/sigpending.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -22,11 +22,12 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
extern int __syscall_sigpending (sigset_t *);
extern int __syscall_rt_sigpending (sigset_t *, size_t);
extern int __syscall_sigpending (sigset_t *__unbounded);
extern int __syscall_rt_sigpending (sigset_t *__unbounded, size_t);
/* The variable is shared between all wrappers around signal handling
@ -41,7 +42,7 @@ sigpending (set)
sigset_t *set;
{
#if __ASSUME_REALTIME_SIGNALS > 0
return INLINE_SYSCALL (rt_sigpending, 2, set, _NSIG / 8);
return INLINE_SYSCALL (rt_sigpending, 2, CHECK_SIGSET (set), _NSIG / 8);
#else
# ifdef __NR_rt_pending
/* First try the RT signals. */
@ -50,7 +51,7 @@ sigpending (set)
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
int saved_errno = errno;
int result = INLINE_SYSCALL (rt_sigpending, 2, set, _NSIG / 8);
int result = INLINE_SYSCALL (rt_sigpending, 2, CHECK_SIGSET (set), _NSIG / 8);
if (result >= 0 || errno != ENOSYS)
return result;
@ -60,6 +61,6 @@ sigpending (set)
}
# endif
return INLINE_SYSCALL (sigpending, 1, set);
return INLINE_SYSCALL (sigpending, 1, CHECK_SIGSET (set));
#endif
}

20
sysdeps/unix/sysv/linux/sigprocmask.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -22,13 +22,15 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
extern int __syscall_sigprocmask (int, const sigset_t *, sigset_t *);
extern int __syscall_rt_sigprocmask (int, const sigset_t *, sigset_t *,
size_t);
extern int __syscall_sigprocmask (int, const sigset_t *__unbounded,
sigset_t *__unbounded);
extern int __syscall_rt_sigprocmask (int, const sigset_t *__unbounded,
sigset_t *__unbounded, size_t);
/* The variable is shared between all wrappers around signal handling
functions which have RT equivalents. The definition is in sigaction.c. */
@ -43,7 +45,8 @@ __sigprocmask (how, set, oset)
sigset_t *oset;
{
#if __ASSUME_REALTIME_SIGNALS > 0
return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8);
return INLINE_SYSCALL (rt_sigprocmask, 4, how, CHECK_SIGSET (set),
CHECK_SIGSETopt (oset), _NSIG / 8);
#else
# ifdef __NR_rt_sigprocmask
/* First try the RT signals. */
@ -52,8 +55,8 @@ __sigprocmask (how, set, oset)
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
int saved_errno = errno;
int result = INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset,
_NSIG / 8);
int result = INLINE_SYSCALL (rt_sigprocmask, 4, how, CHECK_SIGSET (set),
CHECK_SIGSETopt (oset), _NSIG / 8);
if (result >= 0 || errno != ENOSYS)
return result;
@ -63,7 +66,8 @@ __sigprocmask (how, set, oset)
}
# endif
return INLINE_SYSCALL (sigprocmask, 3, how, set, oset);
return INLINE_SYSCALL (sigprocmask, 3, how,
CHECK_SIGSET (set), CHECK_SIGSETopt (oset));
#endif
}
weak_alias (__sigprocmask, sigprocmask)

4
sysdeps/unix/sysv/linux/sigqueue.c
View File

@ -24,7 +24,7 @@
#include <sysdep.h>
#include <sys/syscall.h>
extern int __syscall_rt_sigqueueinfo (int, int, siginfo_t *);
extern int __syscall_rt_sigqueueinfo (int, int, siginfo_t *__unbounded);
#ifdef __NR_rt_sigqueueinfo
/* Return any pending signal or wait for one for the given time. */
@ -46,7 +46,7 @@ __sigqueue (pid, sig, val)
info.si_uid = __getuid ();
info.si_value = val;
return INLINE_SYSCALL (rt_sigqueueinfo, 3, pid, sig, &info);
return INLINE_SYSCALL (rt_sigqueueinfo, 3, pid, sig, __ptrvalue (&info));
}
weak_alias (__sigqueue, sigqueue)
#else

11
sysdeps/unix/sysv/linux/sigsuspend.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -22,11 +22,12 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
extern int __syscall_sigsuspend (int, unsigned long int, unsigned long int);
extern int __syscall_rt_sigsuspend (const sigset_t *, size_t);
extern int __syscall_rt_sigsuspend (const sigset_t *__unbounded, size_t);
/* The variable is shared between all wrappers around signal handling
@ -41,7 +42,7 @@ __sigsuspend (set)
const sigset_t *set;
{
#if __ASSUME_REALTIME_SIGNALS
return INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8);
return INLINE_SYSCALL (rt_sigsuspend, 2, CHECK_SIGSET (set), _NSIG / 8);
#else
# ifdef __NR_rt_sigsuspend
/* First try the RT signals. */
@ -50,8 +51,8 @@ __sigsuspend (set)
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
int saved_errno = errno;
int result = INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8);
int result = INLINE_SYSCALL (rt_sigsuspend, 2,
CHECK_SIGSET (set), _NSIG / 8);
if (result >= 0 || errno != ENOSYS)
return result;

10
sysdeps/unix/sysv/linux/sigtimedwait.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -21,10 +21,11 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#ifdef __NR_rt_sigtimedwait
extern int __syscall_rt_sigtimedwait (const sigset_t *, siginfo_t *,
const struct timespec *, size_t);
extern int __syscall_rt_sigtimedwait (const sigset_t *__unbounded, siginfo_t *__unbounded,
const struct timespec *__unbounded, size_t);
/* Return any pending signal or wait for one for the given time. */
@ -36,7 +37,8 @@ __sigtimedwait (set, info, timeout)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigtimedwait, 4, set, info, timeout, _NSIG / 8);
return INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
CHECK_1 (info), timeout, _NSIG / 8);
}
weak_alias (__sigtimedwait, sigtimedwait)
#else

10
sysdeps/unix/sysv/linux/sigwaitinfo.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -23,10 +23,11 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#ifdef __NR_rt_sigtimedwait
extern int __syscall_rt_sigtimedwait (const sigset_t *, siginfo_t *,
const struct timespec *, size_t);
extern int __syscall_rt_sigtimedwait (const sigset_t *__unbounded, siginfo_t *__unbounded,
const struct timespec *__unbounded, size_t);
/* Return any pending signal or wait for one for the given time. */
@ -37,7 +38,8 @@ __sigwaitinfo (set, info)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigtimedwait, 4, set, info, NULL, _NSIG / 8);
return INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
CHECK_1 (info), NULL, _NSIG / 8);
}
weak_alias (__sigwaitinfo, sigwaitinfo)
#else

39
sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c
View File

@ -19,19 +19,20 @@
#include <errno.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <sys/mman.h>
#include <bp-checks.h>
#include "kernel-features.h"
#ifdef __NR_mmap2
extern __ptr_t __syscall_mmap2(__ptr_t, size_t, int, int, int, off_t);
#ifndef __ASSUME_MMAP2_SYSCALL
extern void *__unbounded __syscall_mmap2 (void *__unbounded, size_t,
int, int, int, off_t);
# ifndef __ASSUME_MMAP2_SYSCALL
static int have_no_mmap2;
#endif
# endif
#endif
__ptr_t
@ -39,28 +40,32 @@ __mmap64 (__ptr_t addr, size_t len, int prot, int flags, int fd, off64_t offset)
{
#ifdef __NR_mmap2
if (
#ifndef __ASSUME_MMAP2_SYSCALL
# ifndef __ASSUME_MMAP2_SYSCALL
! have_no_mmap2 &&
#endif
# endif
! (offset & 4095))
{
#ifndef __ASSUME_MMAP2_SYSCALL
# ifndef __ASSUME_MMAP2_SYSCALL
int saved_errno = errno;
#endif
# endif
/* This will be always 12, no matter what page size is. */
__ptr_t result =
(__ptr_t) INLINE_SYSCALL (mmap2, 6, addr, len, prot, flags,
fd, (off_t) (offset >> 12));
#ifndef __ASSUME_MMAP2_SYSCALL
__ptr_t result;
__ptrvalue (result) =
(void *__unbounded) INLINE_SYSCALL (mmap2, 6, addr, len, prot, flags,
fd, (off_t) (offset >> 12));
# if __BOUNDED_POINTERS__
__ptrlow (result) = __ptrvalue (result);
__ptrhigh (result) = __ptrvalue (result) + len;
# endif
# ifndef __ASSUME_MMAP2_SYSCALL
if (result != (__ptr_t) -1 || errno != ENOSYS)
#endif
# endif
return result;
#ifndef __ASSUME_MMAP2_SYSCALL
# ifndef __ASSUME_MMAP2_SYSCALL
__set_errno (saved_errno);
have_no_mmap2 = 1;
#endif
# endif
}
#endif
if (offset != (off_t) offset || (offset + len) != (off_t) (offset + len))

6
sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
View File

@ -24,6 +24,7 @@
#include <sysdep.h>
#include <sys/signal.h>
#include <errno.h>
#include <kernel_sigaction.h>
/* SPARC 64bit userland requires a kernel that has rt signals anyway. */
@ -48,8 +49,9 @@ __libc_sigaction (int sig, __const struct sigaction *act,
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
ret = INLINE_SYSCALL (rt_sigaction, 5, sig, act ? &kact : 0,
oact ? &koact : 0, stub, _NSIG / 8);
ret = INLINE_SYSCALL (rt_sigaction, 5, sig,
act ? __ptrvalue (&kact) : 0,
oact ? __ptrvalue (&koact) : 0, stub, _NSIG / 8);
if (oact && ret >= 0)
{

7
sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -22,8 +22,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_rt_sigpending (sigset_t *, size_t);
extern int __syscall_rt_sigpending (sigset_t *__unbounded, size_t);
/* Change the set of blocked signals to SET,
@ -34,5 +35,5 @@ sigpending (set)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigpending, 2, set, _NSIG / 8);
return INLINE_SYSCALL (rt_sigpending, 2, CHECK_SIGSET (set), _NSIG / 8);
}

10
sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -22,9 +22,10 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_rt_sigprocmask (int, const sigset_t *, sigset_t *,
size_t);
extern int __syscall_rt_sigprocmask (int, const sigset_t *__unbounded,
sigset_t *__unbounded, size_t);
/* Get and/or change the set of blocked signals. */
int
@ -35,6 +36,7 @@ __sigprocmask (how, set, oset)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8);
return INLINE_SYSCALL (rt_sigprocmask, 4, how, CHECK_SIGSET (set),
CHECK_SIGSETopt (oset), _NSIG / 8);
}
weak_alias (__sigprocmask, sigprocmask)

7
sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -22,8 +22,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_rt_sigsuspend (const sigset_t *, size_t);
extern int __syscall_rt_sigsuspend (const sigset_t *__unbounded, size_t);
/* Change the set of blocked signals to SET,
wait until a signal arrives, and restore the set of blocked signals. */
@ -33,6 +34,6 @@ __sigsuspend (set)
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8);
return INLINE_SYSCALL (rt_sigsuspend, 2, CHECK_SIGSET (set), _NSIG / 8);
}
weak_alias (__sigsuspend, sigsuspend)

11
sysdeps/unix/sysv/linux/sysctl.c
View File

@ -1,5 +1,5 @@
/* Read or write system information. Linux version.
Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -22,13 +22,15 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall__sysctl (struct __sysctl_args *args);
extern int __syscall__sysctl (struct __sysctl_args *__unbounded args);
int
__sysctl (int *name, int nlen, void *oldval, size_t *oldlenp,
void *newval, size_t newlen)
{
/* GKM FIXME: force __sysctl_args decl to have unbounded pointers. */
struct __sysctl_args args =
{
name: name,
@ -38,7 +40,10 @@ __sysctl (int *name, int nlen, void *oldval, size_t *oldlenp,
newval: newval,
newlen: newlen
};
CHECK_N (name, nlen);
CHECK_N (oldval, *oldlenp);
CHECK_N (newval, newlen);
return INLINE_SYSCALL (_sysctl, 1, &args);
return INLINE_SYSCALL (_sysctl, 1, __ptrvalue (&args));
}
weak_alias (__sysctl, sysctl)

8
sysdeps/unix/sysv/linux/truncate64.c
View File

@ -23,6 +23,7 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
@ -33,8 +34,8 @@ int __have_no_truncate64;
#endif
/* The order of hight, low depends on endianness. */
extern int __syscall_truncate64 (const char *path, int high_length, int low_length);
extern int __syscall_truncate64 (const char *__unbounded path,
int high_length, int low_length);
/* Truncate the file FD refers to to LENGTH bytes. */
int
@ -49,9 +50,8 @@ truncate64 (const char *path, off64_t length)
#ifndef __ASSUME_TRUNCATE64_SYSCALL
int saved_errno = errno;
#endif
int result = INLINE_SYSCALL (truncate64, 3, path,
int result = INLINE_SYSCALL (truncate64, 3, CHECK_STRING (path),
__LONG_LONG_PAIR (high, low));
#ifndef __ASSUME_TRUNCATE64_SYSCALL
if (result != -1 || errno != ENOSYS)
#endif

7
sysdeps/unix/sysv/linux/ustat.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@ -23,8 +23,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_ustat (unsigned short int dev, struct ustat *ubuf);
extern int __syscall_ustat (unsigned short int, struct ustat *__unbounded);
int
ustat (dev_t dev, struct ustat *ubuf)
@ -34,5 +35,5 @@ ustat (dev_t dev, struct ustat *ubuf)
/* We must convert the value to dev_t type used by the kernel. */
k_dev = ((major (dev) & 0xff) << 8) | (minor (dev) & 0xff);
return INLINE_SYSCALL (ustat, 2, k_dev, ubuf);
return INLINE_SYSCALL (ustat, 2, k_dev, CHECK_1 (ubuf));
}

5
sysdeps/unix/sysv/linux/writev.c
View File

@ -24,8 +24,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern ssize_t __syscall_writev (int, const struct iovec *, int);
extern ssize_t __syscall_writev (int, const struct iovec *__unbounded, int);
static ssize_t __atomic_writev_replacement (int, const struct iovec *,
int) internal_function;
@ -47,7 +48,7 @@ __writev (fd, vector, count)
int errno_saved = errno;
ssize_t bytes_written;
bytes_written = INLINE_SYSCALL (writev, 3, fd, vector, count);
bytes_written = INLINE_SYSCALL (writev, 3, fd, CHECK_N (vector, count), count);
if (bytes_written >= 0 || errno != EINVAL || count <= UIO_FASTIOV)
return bytes_written;

7
sysdeps/unix/sysv/linux/xmknod.c
View File

@ -1,5 +1,5 @@
/* xmknod call using old-style Unix mknod system call.
Copyright (C) 1991, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
Copyright (C) 1991, 93, 95, 96, 97, 98, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -24,8 +24,9 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_mknod (const char *, unsigned short int,
extern int __syscall_mknod (const char *__unbounded, unsigned short int,
unsigned short int);
/* Create a device file named PATH, with permission and special bits MODE
@ -45,7 +46,7 @@ __xmknod (int vers, const char *path, mode_t mode, dev_t *dev)
/* We must convert the value to dev_t type used by the kernel. */
k_dev = ((major (*dev) & 0xff) << 8) | (minor (*dev) & 0xff);
return INLINE_SYSCALL (mknod, 3, path, mode, k_dev);
return INLINE_SYSCALL (mknod, 3, CHECK_STRING (path), mode, k_dev);
}
weak_alias (__xmknod, _xmknod)

13
sysdeps/unix/sysv/linux/xstat.c
View File

@ -1,5 +1,5 @@
/* xstat using old-style Unix stat system call.
Copyright (C) 1991, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1991, 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -28,10 +28,11 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <xstatconv.c>
extern int __syscall_stat (const char *, struct kernel_stat *);
extern int __syscall_stat (const char *__unbounded, struct kernel_stat *__unbounded);
/* Get information about the file NAME in BUF. */
int
@ -41,11 +42,11 @@ __xstat (int vers, const char *name, struct stat *buf)
int result;
if (vers == _STAT_VER_KERNEL)
{
return INLINE_SYSCALL (stat, 2, name, (struct kernel_stat *) buf);
}
return INLINE_SYSCALL (stat, 2, CHECK_STRING (name),
CHECK_1 ((struct kernel_stat *) buf));
result = INLINE_SYSCALL (stat, 2, name, &kbuf);
result = INLINE_SYSCALL (stat, 2, CHECK_STRING (name),
__ptrvalue (&kbuf));
if (result == 0)
result = xstat_conv (vers, &kbuf, buf);

14
sysdeps/unix/sysv/linux/xstat64.c
View File

@ -1,5 +1,5 @@
/* xstat64 using old-style Unix stat system call.
Copyright (C) 1991, 95, 96, 97, 98, 99 Free Software Foundation, Inc.
Copyright (C) 1991, 95, 96, 97, 98, 99, 00 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -24,16 +24,18 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.c>
#endif
extern int __syscall_stat (const char *, struct kernel_stat *);
extern int __syscall_stat (const char *__unbounded, struct kernel_stat *__unbounded);
#ifdef __NR_stat64
extern int __syscall_stat64 (const char *, struct stat64 *);
extern int __syscall_stat64 (const char *__unbounded, struct stat64 *__unbounded);
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls.
This is the definition. */
@ -47,7 +49,7 @@ int
__xstat64 (int vers, const char *name, struct stat64 *buf)
{
#if __ASSUME_STAT64_SYSCALL > 0
return INLINE_SYSCALL (stat64, 2, name, buf);
return INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (buf));
#else
struct kernel_stat kbuf;
int result;
@ -55,7 +57,7 @@ __xstat64 (int vers, const char *name, struct stat64 *buf)
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (stat64, 2, name, buf);
result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (buf));
if (result != -1 || errno != ENOSYS)
return result;
@ -65,7 +67,7 @@ __xstat64 (int vers, const char *name, struct stat64 *buf)
}
# endif
result = INLINE_SYSCALL (stat, 2, name, &kbuf);
result = INLINE_SYSCALL (stat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
if (result == 0)
result = xstat64_conv (vers, &kbuf, buf);

7
sysdeps/unix/xstat.c
View File

@ -1,5 +1,5 @@
/* xstat using old-style Unix stat system call.
Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1991, 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -20,8 +20,9 @@
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <bp-checks.h>
extern int __syscall_stat (const char *, struct stat *);
extern int __syscall_stat (const char *__unbounded, struct stat *__unbounded);
int
__xstat (int vers, const char *file, struct stat *buf)
@ -32,6 +33,6 @@ __xstat (int vers, const char *file, struct stat *buf)
return -1;
}
return __syscall_stat (file, buf);
return __syscall_stat (CHECK_STRING (file), CHECK_1 (buf));
}
weak_alias (__xstat, _xstat)