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Update. 

* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Fix typo
	preventing optimization from being done.  Set the correct type bit
	in seen.  Don't define and use _dl_base_addr unless
This commit is contained in:
Ulrich Drepper 2001-01-20 19:14:31 +00:00
parent 1b6020c13e
commit b72f9d5197
2 changed files with 8 additions and 9 deletions
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6
ChangeLog
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@ -1,8 +1,8 @@
2001-01-20 Ulrich Drepper <drepper@redhat.com> 2001-01-20 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Initialize egid * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Fix typo
to 1. This helps those installing ld.so SUID (nobody will be that preventing optimization from being done. Set the correct type bit
stupid, I hope). Don't define and use _dl_base_addr unless in seen. Don't define and use _dl_base_addr unless
NEED_DL_BASE_ADDR is defined. NEED_DL_BASE_ADDR is defined.
* io/ftw.c (ftw_dir): Add slash after directory name if there * io/ftw.c (ftw_dir): Add slash after directory name if there

11
sysdeps/generic/dl-sysdep.c
View File

@ -89,14 +89,13 @@ _dl_sysdep_start (void **start_argptr,
uid_t uid = 0; uid_t uid = 0;
uid_t euid = 0; uid_t euid = 0;
gid_t gid = 0; gid_t gid = 0;
#ifdef HAVE_AUX_X
/* This adds a little bit of security. If the kernel does not pass
any value up we default to the safe mode. */
gid_t egid = 1;
#else
gid_t egid = 0; gid_t egid = 0;
#ifdef HAVE_AUX_XID
# define set_seen(tag) (tag) /* Evaluate for the side effects. */
#else
unsigned int seen = 0; unsigned int seen = 0;
# define M(type) (1 << (type)) # define M(type) (1 << (type))
# define set_seen(val) seen |= M ((tag)->a_type)
#endif #endif
DL_FIND_ARG_COMPONENTS (start_argptr, _dl_argc, _dl_argv, _environ, DL_FIND_ARG_COMPONENTS (start_argptr, _dl_argc, _dl_argv, _environ,
@ -105,7 +104,7 @@ _dl_sysdep_start (void **start_argptr,
user_entry = (ElfW(Addr)) &ENTRY_POINT; user_entry = (ElfW(Addr)) &ENTRY_POINT;
_dl_platform = NULL; /* Default to nothing known about the platform. */ _dl_platform = NULL; /* Default to nothing known about the platform. */
for (av = _dl_auxv; av->a_type != AT_NULL; seen |= M ((++av)->a_type)) for (av = _dl_auxv; av->a_type != AT_NULL; set_seen (av++))
switch (av->a_type) switch (av->a_type)
{ {
case AT_PHDR: case AT_PHDR: