X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=security%2Fcommoncap.c;h=0ee845701f5ebfa26bae7d2949fc1a5cb5dcb948;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=f067e8acbe332fdacf889ecf3cf5f0107592381b;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/security/commoncap.c b/security/commoncap.c
index f067e8acb..0ee845701 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -7,7 +7,7 @@
  *
  */
 
-#include <linux/config.h>
+#include <linux/capability.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -23,18 +23,19 @@
 #include <linux/ptrace.h>
 #include <linux/xattr.h>
 #include <linux/hugetlb.h>
+#include <linux/vs_context.h>
 
 int cap_netlink_send(struct sock *sk, struct sk_buff *skb)
 {
-	NETLINK_CB(skb).eff_cap = current->cap_effective;
+	cap_t(NETLINK_CB(skb).eff_cap) = vx_mbcap(cap_effective);
 	return 0;
 }
 
 EXPORT_SYMBOL(cap_netlink_send);
 
-int cap_netlink_recv(struct sk_buff *skb)
+int cap_netlink_recv(struct sk_buff *skb, int cap)
 {
-	if (!cap_raised(NETLINK_CB(skb).eff_cap, CAP_NET_ADMIN))
+	if (!cap_raised(NETLINK_CB(skb).eff_cap, cap))
 		return -EPERM;
 	return 0;
 }
@@ -44,7 +45,7 @@ EXPORT_SYMBOL(cap_netlink_recv);
 int cap_capable (struct task_struct *tsk, int cap)
 {
 	/* Derived from include/linux/sched.h:capable. */
-	if (cap_raised(tsk->cap_effective, cap))
+       if (vx_cap_raised(tsk->vx_info, tsk->cap_effective, cap))
 		return 0;
 	return -EPERM;
 }
@@ -59,8 +60,8 @@ int cap_settime(struct timespec *ts, struct timezone *tz)
 int cap_ptrace (struct task_struct *parent, struct task_struct *child)
 {
 	/* Derived from arch/i386/kernel/ptrace.c:sys_ptrace. */
-	if (!cap_issubset (child->cap_permitted, current->cap_permitted) &&
-	    !capable(CAP_SYS_PTRACE))
+	if (!cap_issubset(child->cap_permitted, parent->cap_permitted) &&
+	    !__capable(parent, CAP_SYS_PTRACE))
 		return -EPERM;
 	return 0;
 }
@@ -142,14 +143,15 @@ void cap_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
 	/* Derived from fs/exec.c:compute_creds. */
 	kernel_cap_t new_permitted, working;
 
-	new_permitted = cap_intersect (bprm->cap_permitted, vx_current_bcaps());
+	new_permitted = cap_intersect (bprm->cap_permitted,
+					vx_current_cap_bset());
 	working = cap_intersect (bprm->cap_inheritable,
 				 current->cap_inheritable);
 	new_permitted = cap_combine (new_permitted, working);
 
 	if (bprm->e_uid != current->uid || bprm->e_gid != current->gid ||
 	    !cap_issubset (new_permitted, current->cap_permitted)) {
-		current->mm->dumpable = 0;
+		current->mm->dumpable = suid_dumpable;
 
 		if (unsafe & ~LSM_UNSAFE_PTRACE_CAP) {
 			if (!capable(CAP_SETUID)) {
@@ -169,7 +171,7 @@ void cap_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
 	/* For init, we want to retain the capabilities set
 	 * in the init_task struct. Thus we skip the usual
 	 * capability rules */
-	if (current->pid != 1) {
+	if (!is_init(current)) {
 		current->cap_permitted = new_permitted;
 		current->cap_effective =
 		    cap_intersect (new_permitted, bprm->cap_effective);
@@ -311,7 +313,8 @@ void cap_task_reparent_to_init (struct task_struct *p)
 
 int cap_syslog (int type)
 {
-	if ((type != 3 && type != 10) && !capable(CAP_SYS_ADMIN))
+	if ((type != 3 && type != 10) &&
+		!vx_capable(CAP_SYS_ADMIN, VXC_SYSLOG))
 		return -EPERM;
 	return 0;
 }