[src/trunk]: src/sys/kern Allow execution of shared objects. This is silly, b...

[fvdl <fvdl%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a0fad6dc74b8
branches:  trunk
changeset: 474157:a0fad6dc74b8
user:      fvdl <fvdl%NetBSD.org@localhost>
date:      Tue Jun 29 23:39:06 1999 +0000

description:
Allow execution of shared objects. This is silly, but is allowed in,
for example, Solaris and Linux, and at least one Linux ldd implementation
even depends on it.

diffstat:

 sys/kern/exec_elf32.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (23 lines):

diff -r d3a53929e0d2 -r a0fad6dc74b8 sys/kern/exec_elf32.c
--- a/sys/kern/exec_elf32.c     Tue Jun 29 22:31:32 1999 +0000
+++ b/sys/kern/exec_elf32.c     Tue Jun 29 23:39:06 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: exec_elf32.c,v 1.44 1999/04/30 23:02:06 cgd Exp $      */
+/*     $NetBSD: exec_elf32.c,v 1.45 1999/06/29 23:39:06 fvdl Exp $     */
 
 /*-
  * Copyright (c) 1994 The NetBSD Foundation, Inc.
@@ -526,7 +526,12 @@
        if (epp->ep_hdrvalid < sizeof(Elf_Ehdr))
                return ENOEXEC;
 
-       if (ELFNAME(check_header)(eh, Elf_et_exec))
+       /*
+        * XXX allow for executing shared objects. It seems silly
+        * but other ELF-based systems allow it as well.
+        */
+       if (ELFNAME(check_header)(eh, Elf_et_exec) != 0 &&
+           ELFNAME(check_header)(eh, Elf_et_dyn) != 0)
                return ENOEXEC;
 
        /*