xnu-3248.60.10.tar.gz

[apple/xnu.git] / bsd / kern / kern_xxx.c

diff --git a/bsd/kern/kern_xxx.c b/bsd/kern/kern_xxx.c
index fc94a14e09f171f30e9eb5ffcdf62e3a2493dda6..0fe1cfa3070eff6ed338259b5f822772cdd84dd3 100644 (file)
--- a/bsd/kern/kern_xxx.c
+++ b/bsd/kern/kern_xxx.c
@@ -85,10 +85,13 @@
 #include <security/mac_framework.h>
 #endif
 
+int pshm_cache_purge_all(proc_t p);
+int psem_cache_purge_all(proc_t p);
+
 int
 reboot(struct proc *p, register struct reboot_args *uap, __unused int32_t *retval)
 {
-       char command[64];
+       char message[128];
        int error=0;
        size_t dummy=0;
 #if CONFIG_MACF
@@ -97,14 +100,23 @@ reboot(struct proc *p, register struct reboot_args *uap, __unused int32_t *retva
 
        AUDIT_ARG(cmd, uap->opt);
 
-       command[0] = '\0';
+       message[0] = '\0';
 
        if ((error = suser(kauth_cred_get(), &p->p_acflag)))
                return(error);  
        
        if (uap->opt & RB_COMMAND)
-               error = copyinstr(uap->command,
-                                       (void *)command, sizeof(command), (size_t *)&dummy);
+                return ENOSYS;
+
+        if (uap->opt & RB_PANIC) {
+#if !(DEVELOPMENT || DEBUG)
+               if (p != initproc) {
+                        return EPERM;
+                }
+#endif
+               error = copyinstr(uap->command, (void *)message, sizeof(message), (size_t *)&dummy);
+        }
+
 #if CONFIG_MACF
        if (error)
                return (error);
@@ -114,7 +126,23 @@ reboot(struct proc *p, register struct reboot_args *uap, __unused int32_t *retva
 #endif
        if (!error) {
                OSBitOrAtomic(P_REBOOT, &p->p_flag);  /* No more signals for this proc */
-               error = boot(RB_BOOT, uap->opt, command);
+               error = reboot_kernel(uap->opt, message);
        }
        return(error);
 }
+
+int
+usrctl(struct proc *p, __unused register struct usrctl_args *uap, __unused int32_t *retval)
+{
+       if (p != initproc) {
+               return EPERM;
+       }
+
+       int error = 0;
+       error = pshm_cache_purge_all(p);
+       if (error)
+               return error;
+
+       error = psem_cache_purge_all(p);
+       return error;
+}