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* sysdeps/unix/sysv/linux/setegid.c [HAVE_PTR__NPTL_SETXID]: Call
	callback to set IDs in all other threads as well.
	* sysdeps/unix/sysv/linux/seteuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setegid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/seteuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/setuid.c: New file.
	* sysdeps/unix/sysv/linux/setgid.c: New file.
	* sysdeps/unix/sysv/linux/setreuid.c: New file.
	* sysdeps/unix/sysv/linux/setregid.c: New file.
	* sysdeps/unix/sysv/linux/setresuid.c: New file.
	* sysdeps/unix/sysv/linux/setresgid.c: New file.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Define INTERNAL_SYSCALL_NCS.
	* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c: Use x86 version.
	* sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Remove setresgid
	and setresuid.
	* nscd/aicache.c: Use pthread_seteuid_np instead of seteuid.
	* nscd/grpcache.c: Likewise.
	* nscd/hstcache.c: Likewise.
	* nscd/pwdcache.c: Likewise.
This commit is contained in:
Ulrich Drepper
2004-09-20 00:16:11 +00:00
parent 29e11320c9
commit 2edb61e3f9
62 changed files with 1254 additions and 235 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
nptl/allocatestack.c
View File

@ -19,6 +19,7 @@
#include <assert.h>
#include <errno.h>
#include <signal.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
@ -26,7 +27,7 @@
#include <sys/param.h>
#include <dl-sysdep.h>
#include <tls.h>
#include <lowlevellock.h>
#ifndef NEED_SEPARATE_REGISTER_STACK
@ -815,6 +816,84 @@ __find_thread_by_id (pid_t tid)
}
#endif
void
attribute_hidden
__nptl_setxid (struct xid_command *cmdp)
{
lll_lock (stack_cache_lock);
__xidcmd = cmdp;
cmdp->cntr = 0;
INTERNAL_SYSCALL_DECL (err);
struct pthread *self = THREAD_SELF;
/* Iterate over the list with system-allocated threads first. */
list_t *runp;
list_for_each (runp, &stack_used)
{
struct pthread *t = list_entry (runp, struct pthread, list);
if (t != self)
{
int val;
#if __ASSUME_TGKILL
val = INTERNAL_SYSCALL (tgkill, err, 3,
THREAD_GETMEM (THREAD_SELF, pid),
t->tid, SIGSETXID);
#else
# ifdef __NR_tgkill
val = INTERNAL_SYSCALL (tgkill, err, 3,
THREAD_GETMEM (THREAD_SELF, pid),
t->tid, SIGSETXID);
if (INTERNAL_SYSCALL_ERROR_P (val, err)
&& INTERNAL_SYSCALL_ERRNO (val, err) == ENOSYS)
# endif
val = INTERNAL_SYSCALL (tkill, err, 2, t->tid, SIGSETXID);
#endif
if (!INTERNAL_SYSCALL_ERROR_P (val, err))
atomic_increment (&cmdp->cntr);
}
}
/* Now the list with threads using user-allocated stacks. */
list_for_each (runp, &__stack_user)
{
struct pthread *t = list_entry (runp, struct pthread, list);
if (t != self)
{
int val;
#if __ASSUME_TGKILL
val = INTERNAL_SYSCALL (tgkill, err, 3,
THREAD_GETMEM (THREAD_SELF, pid),
t->tid, SIGSETXID);
#else
# ifdef __NR_tgkill
val = INTERNAL_SYSCALL (tgkill, err, 3,
THREAD_GETMEM (THREAD_SELF, pid),
t->tid, SIGSETXID);
if (INTERNAL_SYSCALL_ERROR_P (val, err)
&& INTERNAL_SYSCALL_ERRNO (val, err) == ENOSYS)
# endif
val = INTERNAL_SYSCALL (tkill, err, 2, t->tid, SIGSETXID);
#endif
if (!INTERNAL_SYSCALL_ERROR_P (val, err))
atomic_increment (&cmdp->cntr);
}
}
int cur = cmdp->cntr;
while (cur != 0)
{
lll_futex_wait (&cmdp->cntr, cur);
cur = cmdp->cntr;
}
lll_unlock (stack_cache_lock);
}
static inline void __attribute__((always_inline))
init_one_static_tls (struct pthread *curp, struct link_map *map)
{