diff options
Diffstat (limited to 'elf/dl-support.c')
| -rw-r--r-- | elf/dl-support.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/elf/dl-support.c b/elf/dl-support.c index 50b37e8166..75d7b1926a 100644 --- a/elf/dl-support.c +++ b/elf/dl-support.c @@ -27,6 +27,8 @@ #include <ldsodefs.h> #include <dl-machine.h> #include <bits/libc-lock.h> +#include <dl-librecon.h> +#include <unsecvars.h> extern char *__progname; char **_dl_argv = &__progname; /* This is checked for some error messages. */ @@ -125,6 +127,26 @@ non_dynamic_init (void) _dl_dynamic_weak = *(getenv ("LD_DYNAMIC_WEAK") ?: "") == '\0'; + if (__libc_enable_secure) + { + static const char *unsecure_envvars[] = + { + UNSECURE_ENVVARS, +#ifdef EXTRA_UNSECURE_ENVVARS + EXTRA_UNSECURE_ENVVARS +#endif + }; + size_t cnt; + + for (cnt = 0; + cnt < sizeof (unsecure_envvars) / sizeof (unsecure_envvars[0]); + ++cnt) + unsetenv (unsecure_envvars[cnt]); + + if (__access ("/etc/suid-debug", F_OK) != 0) + unsetenv ("MALLOC_CHECK_"); + } + #ifdef DL_PLATFORM_INIT DL_PLATFORM_INIT; #endif |