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Subject[updated patch 5/7] BSD Secure Levels: allow setuid/setgid on root user processes
This patch is applies cleanly against the new printk() patch.  It
allows setuid and setgid on a process if the user is already root.
This allows non-root users to log in.

Signed off by: Michael Halcrow <mhalcrow@us.ibm.com>

Index: linux-2.6.12-rc4-mm2-seclvl/security/seclvl.c
===================================================================
--- linux-2.6.12-rc4-mm2-seclvl.orig/security/seclvl.c 2005-05-20 09:09:07.000000000 -0500
+++ linux-2.6.12-rc4-mm2-seclvl/security/seclvl.c 2005-05-20 09:09:13.000000000 -0500
@@ -447,12 +447,12 @@
"network administrative task while "
"in secure level [%d] denied\n", seclvl);
return -EPERM;
- } else if (cap == CAP_SETUID) {
+ } else if (cap == CAP_SETUID && current->uid != 0) {
seclvl_printk(1, KERN_WARNING, "Attempt to setuid "
"while in secure level [%d] denied\n",
seclvl);
return -EPERM;
- } else if (cap == CAP_SETGID) {
+ } else if (cap == CAP_SETGID && current->uid != 0) {
seclvl_printk(1, KERN_WARNING, "Attempt to setgid "
"while in secure level [%d] denied\n",
seclvl);
-
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