From f7ceba360cce9af3fbc4e5a5b1bd40b570b7021c Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Sun, 10 Jul 2005 19:29:45 -0700
Subject: [SPARC64]: Add syscall auditing support.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc64/kernel/ptrace.c | 32 +++++++++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

(limited to 'arch/sparc64/kernel/ptrace.c')

diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index c57dc9ea731..23ad839d113 100644
--- 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]);
 }
-- 
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