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* elf/dl-load.c (_dl_dst_count): In SUID binaries expand $ORIGIN
	if it is alone.
	(_dl_dst_substitute): Likewise.
This commit is contained in:
Ulrich Drepper 2001-07-23 01:13:01 +00:00
parent 8d42e2e526
commit 32463b1aa6
2 changed files with 10 additions and 4 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
2001-07-22 Ulrich Drepper <drepper@redhat.com>
* elf/dl-load.c (_dl_dst_count): In SUID binaries expand $ORIGIN
if it is alone.
(_dl_dst_substitute): Likewise.
* iconv/iconvconfig.c: Remove --verbose option. Comment out
mcheck_verbose call.

10
elf/dl-load.c
View File

@ -180,8 +180,8 @@ _dl_dst_count (const char *name, int is_path)
{
size_t len = 1;
/* $ORIGIN is not expanded for SUID/GUID programs and it must
always appear first in path.
/* $ORIGIN is not expanded for SUID/GUID programs (except if it
is $ORIGIN alone) and it must always appear first in path.
Note that it is no bug that the string in the second and
fourth `strncmp' call is longer than the sequence which is
@ -192,7 +192,8 @@ _dl_dst_count (const char *name, int is_path)
|| (is_path && name[7] == ':'))
&& (len = 7) != 0)))
{
if (__builtin_expect (!__libc_enable_secure, 1)
if ((__builtin_expect (!__libc_enable_secure, 1)
|| name[len] == '\0' || (is_path && name[len] == ':'))
&& (name == start || (is_path && name[-1] == ':')))
++cnt;
}
@ -241,7 +242,8 @@ _dl_dst_substitute (struct link_map *l, const char *name, char *result,
|| (is_path && name[7] == ':'))
&& (len = 7) != 0)))
{
if (__builtin_expect (!__libc_enable_secure, 1)
if ((__builtin_expect (!__libc_enable_secure, 1)
|| name[len] == '\0' || (is_path && name[len] == ':'))
&& (name == start || (is_path && name[-1] == ':')))
repl = l->l_origin;
}