aboutsummaryrefslogtreecommitdiffstats
path: root/security/selinux/ss
diff options
context:
space:
mode:
authorEric Paris <eparis@redhat.com>2008-06-09 16:51:37 -0400
committerJames Morris <jmorris@namei.org>2008-07-14 15:02:00 +1000
commit6cbe27061a69ab89d25dbe42d1a4f33a8425fe88 (patch)
tree883e50c699dcd495ca9fc985e71622394ce21001 /security/selinux/ss
parent22df4adb049a5cbb340dd935f5bbfa1ab3947562 (diff)
downloadmrst-s0i3-test-6cbe27061a69ab89d25dbe42d1a4f33a8425fe88.tar.gz
mrst-s0i3-test-6cbe27061a69ab89d25dbe42d1a4f33a8425fe88.tar.xz
mrst-s0i3-test-6cbe27061a69ab89d25dbe42d1a4f33a8425fe88.zip
SELinux: more user friendly unknown handling printk
I've gotten complaints and reports about people not understanding the meaning of the current unknown class/perm handling the kernel emits on every policy load. Hopefully this will make make it clear to everyone the meaning of the message and won't waste a printk the user won't care about anyway on systems where the kernel and the policy agree on everything. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/selinux/ss')
-rw-r--r--security/selinux/ss/services.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 04c0b70c801..b52f923ce68 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -1171,6 +1171,7 @@ static int validate_classes(struct policydb *p)
const struct selinux_class_perm *kdefs = &selinux_class_perm;
const char *def_class, *def_perm, *pol_class;
struct symtab *perms;
+ bool print_unknown_handle = 0;
if (p->allow_unknown) {
u32 num_classes = kdefs->cts_len;
@@ -1191,6 +1192,7 @@ static int validate_classes(struct policydb *p)
return -EINVAL;
if (p->allow_unknown)
p->undefined_perms[i-1] = ~0U;
+ print_unknown_handle = 1;
continue;
}
pol_class = p->p_class_val_to_name[i-1];
@@ -1220,6 +1222,7 @@ static int validate_classes(struct policydb *p)
return -EINVAL;
if (p->allow_unknown)
p->undefined_perms[class_val-1] |= perm_val;
+ print_unknown_handle = 1;
continue;
}
perdatum = hashtab_search(perms->table, def_perm);
@@ -1267,6 +1270,7 @@ static int validate_classes(struct policydb *p)
return -EINVAL;
if (p->allow_unknown)
p->undefined_perms[class_val-1] |= (1 << j);
+ print_unknown_handle = 1;
continue;
}
perdatum = hashtab_search(perms->table, def_perm);
@@ -1284,6 +1288,9 @@ static int validate_classes(struct policydb *p)
}
}
}
+ if (print_unknown_handle)
+ printk(KERN_INFO "SELinux: the above unknown classes and permissions will be %s\n",
+ (security_get_allow_unknown() ? "allowed" : "denied"));
return 0;
}