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| author | Ulrich Drepper <drepper@redhat.com> | 2003-05-06 06:34:21 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-05-06 06:34:21 +0000 |
| commit | be4d80380a87ab758aecb4e25695b264d36156da (patch) | |
| tree | 1eff92d850952d6f9ff8e6e9a1aea83022783092 /sysdeps/generic/enbl-secure.c | |
| parent | 9946f75ad4b3183a09c3f3ff1c3554613fb4f485 (diff) | |
| download | glibc-be4d80380a87ab758aecb4e25695b264d36156da.tar.gz glibc-be4d80380a87ab758aecb4e25695b264d36156da.tar.xz glibc-be4d80380a87ab758aecb4e25695b264d36156da.zip | |
Update.
* sysdeps/generic/enbl-secure.c (__libc_enable_secure_decided): New variable. (__libc_init_secure): Don't do anything if __libc_enable_secure_decided is nonzero. * include/unistd.h: Declare __libc_enable_secure_decided. * elf/dl-support.c (_dl_aux_init): Recognize AT_UID, AT_EUID, AT_GID, and AT_EGID. If all found, set __libc_enable_secure and __libc_enable_secure_decided.
Diffstat (limited to 'sysdeps/generic/enbl-secure.c')
| -rw-r--r-- | sysdeps/generic/enbl-secure.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sysdeps/generic/enbl-secure.c b/sysdeps/generic/enbl-secure.c index c811712087..fac3b9c527 100644 --- a/sysdeps/generic/enbl-secure.c +++ b/sysdeps/generic/enbl-secure.c @@ -1,5 +1,5 @@ /* Define and initialize the `__libc_enable_secure' flag. Generic version. - Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 2000, 2003 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 @@ -23,12 +23,15 @@ #include <unistd.h> #include <libc-internal.h> +/* If nonzero __libc_enable_secure is already set. */ +int __libc_enable_secure_decided; /* Safest assumption, if somehow the initializer isn't run. */ int __libc_enable_secure = 1; void __libc_init_secure (void) { - __libc_enable_secure = (__geteuid () != __getuid () - || __getegid () != __getgid ()); + if (__libc_enable_secure_decided == 0) + __libc_enable_secure = (__geteuid () != __getuid () + || __getegid () != __getgid ()); } |