diff options
| author | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2004-10-06 11:34:32 +0000 |
|---|---|---|
| committer | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2004-10-06 11:34:32 +0000 |
| commit | 80c6a0958a927706d8dffd81301511c83289496f (patch) | |
| tree | 62d8116a643e202b5b9eabc888e53df0b0e65a03 /ldso/ldso/ldso.c | |
| parent | 9f9ab4922338d58f5adf8353286039eae09e1c2f (diff) | |
Peter S. Mazinger writes:
Hello!
Here is the modified unsecvars patch that applies to cvs.
Diffstat (limited to 'ldso/ldso/ldso.c')
| -rw-r--r-- | ldso/ldso/ldso.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c index 78ce5c95f..02dd786f2 100644 --- a/ldso/ldso/ldso.c +++ b/ldso/ldso/ldso.c @@ -30,6 +30,7 @@ */ #include "ldso.h" +#include "unsecvars.h" #define ALLOW_ZERO_PLTGOT @@ -338,11 +339,21 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, unsigned long load_addr, _dl_preload = _dl_getenv("LD_PRELOAD", envp); _dl_library_path = _dl_getenv("LD_LIBRARY_PATH", envp); } else { + static const char unsecure_envvars[] = +#ifdef EXTRA_UNSECURE_ENVVARS + EXTRA_UNSECURE_ENVVARS +#endif + UNSECURE_ENVVARS; + const char *nextp; _dl_secure = 1; - _dl_preload = _dl_getenv("LD_PRELOAD", envp); - _dl_unsetenv("LD_AOUT_PRELOAD", envp); - _dl_unsetenv("LD_LIBRARY_PATH", envp); - _dl_unsetenv("LD_AOUT_LIBRARY_PATH", envp); + + nextp = unsecure_envvars; + do { + _dl_unsetenv (nextp, envp); + /* We could use rawmemchr but this need not be fast. */ + nextp = (char *) _dl_strchr(nextp, '\0') + 1; + } while (*nextp != '\0'); + _dl_preload = NULL; _dl_library_path = NULL; } |