diff options
author | Greg McGary <greg@mcgary.org> | 2000-07-07 02:19:06 +0000 |
---|---|---|
committer | Greg McGary <greg@mcgary.org> | 2000-07-07 02:19:06 +0000 |
commit | 4bbb61e414b377b647bcbff13dcd77cc323b3645 (patch) | |
tree | 6e0019e43e58a30861802991cb93f5d2d1f21ecf /sysdeps/generic | |
parent | c0f53cdd08913ef09f9bb66fb1b14cd88598cff9 (diff) | |
download | glibc-4bbb61e414b377b647bcbff13dcd77cc323b3645.zip glibc-4bbb61e414b377b647bcbff13dcd77cc323b3645.tar.gz glibc-4bbb61e414b377b647bcbff13dcd77cc323b3645.tar.bz2 |
* 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.
* 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.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r-- | sysdeps/generic/bp-checks.h | 5 | ||||
-rw-r--r-- | sysdeps/generic/strcpy.c | 12 |
2 files changed, 14 insertions, 3 deletions
diff --git a/sysdeps/generic/bp-checks.h b/sysdeps/generic/bp-checks.h index a7c54b4..ea71cf8 100644 --- a/sysdeps/generic/bp-checks.h +++ b/sysdeps/generic/bp-checks.h @@ -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__ */ diff --git a/sysdeps/generic/strcpy.c b/sysdeps/generic/strcpy.c index cb260cf..2317eba 100644 --- a/sysdeps/generic/strcpy.c +++ b/sysdeps/generic/strcpy.c @@ -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; } |