[SPARC64]: Add syscall auditing support.

[karo-tx-linux.git] / arch / sparc64 / kernel / ptrace.c

diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index c57dc9ea731bcd5f58aaf240274d020566233e06..23ad839d113fcef60137ac27d4f72799684c6029 100644 (file)
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -19,6 +19,8 @@
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/security.h>
+#include <linux/seccomp.h>
+#include <linux/audit.h>
 #include <linux/signal.h>
 
 #include <asm/asi.h>
@@ -633,10 +635,22 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
        /* do the secure computing check first */
        secure_computing(regs->u_regs[UREG_G1]);
 
-       if (!test_thread_flag(TIF_SYSCALL_TRACE))
-               return;
+       if (unlikely(current->audit_context) && syscall_exit_p) {
+               unsigned long tstate = regs->tstate;
+               int result = AUDITSC_SUCCESS;
+
+               if (unlikely(tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
+                       result = AUDITSC_FAILURE;
+
+               audit_syscall_exit(current, result, regs->u_regs[UREG_I0]);
+       }
+
        if (!(current->ptrace & PT_PTRACED))
-               return;
+               goto out;
+
+       if (!test_thread_flag(TIF_SYSCALL_TRACE))
+               goto out;
+
        ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
                                 ? 0x80 : 0));
 
@@ -649,4 +663,16 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
                send_sig(current->exit_code, current, 1);
                current->exit_code = 0;
        }
+
+out:
+       if (unlikely(current->audit_context) && !syscall_exit_p)
+               audit_syscall_entry(current,
+                                   (test_thread_flag(TIF_32BIT) ?
+                                    AUDIT_ARCH_SPARC :
+                                    AUDIT_ARCH_SPARC64),
+                                   regs->u_regs[UREG_G1],
+                                   regs->u_regs[UREG_I0],
+                                   regs->u_regs[UREG_I1],
+                                   regs->u_regs[UREG_I2],
+                                   regs->u_regs[UREG_I3]);
 }