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authorDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-05-08 15:56:09 +0100
committerDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-05-08 15:56:09 +0100
commitea9c102cb0a7969df5733d34f26e0b12c8a3c889 (patch)
tree27383b18b9f62d3c4f1b5dd9f3daeffb10416c15 /arch/ppc/kernel/ptrace.c
parentMerge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git (diff)
downloadlinux-dev-ea9c102cb0a7969df5733d34f26e0b12c8a3c889.tar.xz
linux-dev-ea9c102cb0a7969df5733d34f26e0b12c8a3c889.zip
Add CONFIG_AUDITSC and CONFIG_SECCOMP support for ppc32
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to '')
-rw-r--r--arch/ppc/kernel/ptrace.c40
1 files changed, 36 insertions, 4 deletions
diff --git a/arch/ppc/kernel/ptrace.c b/arch/ppc/kernel/ptrace.c
index 59d59a8dc249..e7aee4108dea 100644
--- a/arch/ppc/kernel/ptrace.c
+++ b/arch/ppc/kernel/ptrace.c
@@ -27,6 +27,9 @@
#include <linux/user.h>
#include <linux/security.h>
#include <linux/signal.h>
+#include <linux/seccomp.h>
+#include <linux/audit.h>
+#include <linux/module.h>
#include <asm/uaccess.h>
#include <asm/page.h>
@@ -455,11 +458,10 @@ out:
return ret;
}
-void do_syscall_trace(void)
+static void do_syscall_trace(void)
{
- if (!test_thread_flag(TIF_SYSCALL_TRACE)
- || !(current->ptrace & PT_PTRACED))
- return;
+ /* the 0x80 provides a way for the tracing parent to distinguish
+ between a syscall stop and SIGTRAP delivery */
ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
? 0x80 : 0));
@@ -473,3 +475,33 @@ void do_syscall_trace(void)
current->exit_code = 0;
}
}
+
+void do_syscall_trace_enter(struct pt_regs *regs)
+{
+ if (test_thread_flag(TIF_SYSCALL_TRACE)
+ && (current->ptrace & PT_PTRACED))
+ do_syscall_trace();
+
+ if (unlikely(current->audit_context))
+ audit_syscall_entry(current, AUDIT_ARCH_PPC,
+ regs->gpr[0],
+ regs->gpr[3], regs->gpr[4],
+ regs->gpr[5], regs->gpr[6]);
+}
+
+void do_syscall_trace_leave(struct pt_regs *regs)
+{
+ secure_computing(regs->gpr[0]);
+
+ if (unlikely(current->audit_context))
+ audit_syscall_exit(current,
+ (regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS,
+ regs->result);
+
+ if ((test_thread_flag(TIF_SYSCALL_TRACE))
+ && (current->ptrace & PT_PTRACED))
+ do_syscall_trace();
+}
+
+EXPORT_SYMBOL(do_syscall_trace_enter);
+EXPORT_SYMBOL(do_syscall_trace_leave);