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| author | David S. Miller <davem@davemloft.net> | 2005-07-11 04:29:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-07-11 04:29:45 +0200 |
| commit | f7ceba360cce9af3fbc4e5a5b1bd40b570b7021c (patch) | |
| tree | 1d138496048bbf5851cd60dee7acb912cffc6971 /arch | |
| parent | [SPARC64]: Pass regs and entry/exit boolean to syscall_trace() (diff) | |
| download | linux-f7ceba360cce9af3fbc4e5a5b1bd40b570b7021c.tar.xz linux-f7ceba360cce9af3fbc4e5a5b1bd40b570b7021c.zip | |
[SPARC64]: Add syscall auditing support.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc64/kernel/entry.S | 10 | ||||
| -rw-r--r-- | arch/sparc64/kernel/ptrace.c | 32 |
2 files changed, 34 insertions, 8 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index 8b7ed760c50e..d781f10adc52 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -1552,7 +1552,7 @@ sys_ptrace: add %sp, PTREGS_OFF, %o0 nop .align 32 1: ldx [%curptr + TI_FLAGS], %l5 - andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP), %g0 + andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0 be,pt %icc, rtrap clr %l6 add %sp, PTREGS_OFF, %o0 @@ -1679,7 +1679,7 @@ linux_sparc_syscall32: srl %i5, 0, %o5 ! IEU1 srl %i2, 0, %o2 ! IEU0 Group - andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP), %g0 ! IEU0 Group + andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0 bne,pn %icc, linux_syscall_trace32 ! CTI mov %i0, %l5 ! IEU1 call %l7 ! CTI Group brk forced @@ -1702,7 +1702,7 @@ linux_sparc_syscall: mov %i3, %o3 ! IEU1 mov %i4, %o4 ! IEU0 Group - andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP), %g0 ! IEU1 Group+1 bubble + andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0 bne,pn %icc, linux_syscall_trace ! CTI Group mov %i0, %l5 ! IEU0 2: call %l7 ! CTI Group brk forced @@ -1730,7 +1730,7 @@ ret_sys_call: 1: cmp %o0, -ERESTART_RESTARTBLOCK bgeu,pn %xcc, 1f - andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP), %l6 + andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %l6 80: /* System call success, clear Carry condition code. */ andn %g3, %g2, %g3 @@ -1745,7 +1745,7 @@ ret_sys_call: /* System call failure, set Carry condition code. * Also, get abs(errno) to return to the process. */ - andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP), %l6 + andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %l6 sub %g0, %o0, %o0 or %g3, %g2, %g3 stx %o0, [%sp + PTREGS_OFF + PT_V9_I0] diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c index c57dc9ea731b..23ad839d113f 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]); } |