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Update. 

2000-07-09  Mark Kettenis  <kettenis@gnu.org>

	* elf/rtld.c (dl_main): Move call to __libc_check_standard_fds...
	* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): ... to here.

2000-07-10  Ulrich Drepper  <drepper@redhat.com>

	* include/features.h: Include ISO C99 features if the compiler used
	is an ISO C99 compiler.
	Patch by Joseph S. Myers <jsm28@cam.ac.uk>.

2000-07-08  Mark Kettenis  <kettenis@gnu.org>

	* iconv/gconv_conf.c: Include <bits/libc-lock.h>.
This commit is contained in:
Ulrich Drepper 2000-07-10 20:02:00 +00:00
parent 8fdc11384e
commit 47a81620ad
4 changed files with 26 additions and 10 deletions
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15
ChangeLog
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@ -1,3 +1,18 @@
2000-07-09 Mark Kettenis <kettenis@gnu.org>
* elf/rtld.c (dl_main): Move call to __libc_check_standard_fds...
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): ... to here.
2000-07-10 Ulrich Drepper <drepper@redhat.com>
* include/features.h: Include ISO C99 features if the compiler used
is an ISO C99 compiler.
Patch by Joseph S. Myers <jsm28@cam.ac.uk>.
2000-07-08 Mark Kettenis <kettenis@gnu.org>
* iconv/gconv_conf.c: Include <bits/libc-lock.h>.
2000-07-10 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/i386/sigaction.c: Make alias weak since

9
elf/rtld.c
View File

@ -52,9 +52,6 @@ extern void *_dl_sysdep_read_whole_file (const char *filename,
size_t *filesize_ptr,
int mmap_prot);
/* Protec SUID program against misuse of file descriptors. */
extern void __libc_check_standard_fds (void);
/* Helper function to handle errors while resolving symbols. */
static void print_unresolved (int errcode, const char *objname,
const char *errsting);
@ -400,12 +397,6 @@ dl_main (const ElfW(Phdr) *phdr,
hp_timing_t diff;
#endif
/* First thing, if this is a SUID program we make sure that FDs 0,
1, and 2 are allocated. If necessary we are doing it ourself.
If it is not possible we stop the program. */
if (__builtin_expect (__libc_enable_secure, 0))
__libc_check_standard_fds ();
/* Process the environment variable which control the behaviour. */
process_envvars (&mode, &_dl_lazy);

3
include/features.h
View File

@ -152,7 +152,8 @@
which was used prior to the standard acceptance. This macro will
eventually go away and the features enabled by default once the ISO C99
standard is widely adopted. */
#if defined _ISOC99_SOURCE || defined _ISOC9X_SOURCE
#if (defined _ISOC99_SOURCE || defined _ISOC9X_SOURCE \
|| (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))
# define __USE_ISOC99 1
#endif

9
sysdeps/generic/dl-sysdep.c
View File

@ -45,6 +45,9 @@ extern fpu_control_t _dl_fpu_control;
extern void _end;
extern void ENTRY_POINT (void);
/* Protect SUID program against misuse of file descriptors. */
extern void __libc_check_standard_fds (void);
ElfW(Addr) _dl_base_addr;
int __libc_enable_secure;
int __libc_multiple_libcs = 0; /* Defining this here avoids the inclusion
@ -167,6 +170,12 @@ _dl_sysdep_start (void **start_argptr,
will see this new value and not clobber our data. */
__sbrk (_dl_pagesize - ((&_end - (void *) 0) & (_dl_pagesize - 1)));
/* If this is a SUID program we make sure that FDs 0, 1, and 2 are
allocated. If necessary we are doing it ourself. If it is not
possible we stop the program. */
if (__builtin_expect (__libc_enable_secure, 0))
__libc_check_standard_fds ();
(*dl_main) (phdr, phnum, &user_entry);
return user_entry;
}