diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2003-02-28 18:05:52 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2003-02-28 18:05:52 +0000 |
| commit | c4ab57aad282b1af1cfaea168eba167c9265c587 (patch) | |
| tree | 0b2f4bad1ef790abf5fdd09a6632393fd4ed9524 /lib/csu/hppa | |
| parent | 1e988d2ffc39487d5063a70a1f09e5c4bdad7918 (diff) | |
copy basename of argv[0] to bss for __progname, so that large stack smash
does not make propolice reporting ineffective; millert miod ok
Diffstat (limited to 'lib/csu/hppa')
| -rw-r--r-- | lib/csu/hppa/crt0.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/csu/hppa/crt0.c b/lib/csu/hppa/crt0.c index bcf45f5111d..45ae4d796b9 100644 --- a/lib/csu/hppa/crt0.c +++ b/lib/csu/hppa/crt0.c @@ -1,4 +1,4 @@ -/* $OpenBSD: crt0.c,v 1.5 2003/01/16 19:15:38 mickey Exp $ */ +/* $OpenBSD: crt0.c,v 1.6 2003/02/28 18:05:51 deraadt Exp $ */ /* * Copyright (c) 2001 Michael Shalayeff @@ -35,13 +35,13 @@ int global __asm ("$global$") = 0; int sh_func_adrs __asm ("$$sh_func_adrs") = 0; #if defined(LIBC_SCCS) && !defined(lint) -static const char rcsid[] = "$OpenBSD: crt0.c,v 1.5 2003/01/16 19:15:38 mickey Exp $"; +static const char rcsid[] = "$OpenBSD: crt0.c,v 1.6 2003/02/28 18:05:51 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ -#include <stdlib.h> #include <sys/syscall.h> #include <sys/fcntl.h> #include <sys/exec.h> +#include <stdlib.h> #include <paths.h> #include "common.h" @@ -75,6 +75,7 @@ __start(sp, cleanup, obj) { struct ps_strings *arginfo = (struct ps_strings *)sp; char **argv, *namep; + char *s; __asm __volatile (".import $global$, data\n\t" "ldil L%%$global$, %%r27\n\t" @@ -87,6 +88,11 @@ __start(sp, cleanup, obj) __progname = namep; else __progname++; + for (s = __progname_storage; *__progname && + s < &__progname_storage[sizeof __progname_storage - 1]; ) + *s++ = *__progname++; + *s = '\0'; + __progname = __progname_storage; } #ifdef MCRT0 |