[PATCH] audit: AUDIT_PERM support

add support for AUDIT_PERM predicate

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

9 files changed, 160 insertions, 0 deletions

diff --git a/arch/i386/kernel/audit.c b/arch/i386/kernel/audit.c
index 28bbc46f75c2..3b97cff41549 100644
--- a/arch/i386/kernel/audit.c
+++ b/arch/i386/kernel/audit.c
@@ -23,6 +23,22 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 0;
+	}
+}
+
 static int __init audit_classes_init(void)
 {
 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
diff --git a/arch/ia64/ia32/audit.c b/arch/ia64/ia32/audit.c
index 798501994bd9..92d7d0c8d93f 100644
--- a/arch/ia64/ia32/audit.c
+++ b/arch/ia64/ia32/audit.c
@@ -19,3 +19,19 @@ unsigned ia32_read_class[] = {
 #include <asm-generic/audit_read.h>
 ~0U
 };
+
+int ia32_classify_syscall(unsigned syscall)
+{
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 1;
+	}
+}
diff --git a/arch/ia64/kernel/audit.c b/arch/ia64/kernel/audit.c
index 99488cdbf5cd..04682555a28c 100644
--- a/arch/ia64/kernel/audit.c
+++ b/arch/ia64/kernel/audit.c
@@ -23,6 +23,25 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_IA32_SUPPORT
+	extern int ia32_classify_syscall(unsigned);
+	if (abi == AUDIT_ARCH_I386)
+		return ia32_classify_syscall(syscall);
+#endif
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_execve:
+		return 5;
+	default:
+		return 0;
+	}
+}
+
 static int __init audit_classes_init(void)
 {
 #ifdef CONFIG_IA32_SUPPORT
diff --git a/arch/powerpc/kernel/audit.c b/arch/powerpc/kernel/audit.c
index 24a65e3724e1..7fe5e6300e9a 100644
--- a/arch/powerpc/kernel/audit.c
+++ b/arch/powerpc/kernel/audit.c
@@ -23,6 +23,27 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_PPC64
+	extern int ppc32_classify_syscall(unsigned);
+	if (abi == AUDIT_ARCH_PPC)
+		return ppc32_classify_syscall(syscall);
+#endif
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 0;
+	}
+}
+
 static int __init audit_classes_init(void)
 {
 #ifdef CONFIG_PPC64
diff --git a/arch/powerpc/kernel/compat_audit.c b/arch/powerpc/kernel/compat_audit.c
index ddc0a64896a2..640d4bb29321 100644
--- a/arch/powerpc/kernel/compat_audit.c
+++ b/arch/powerpc/kernel/compat_audit.c
@@ -20,3 +20,19 @@ unsigned ppc32_read_class[] = {
 #include <asm-generic/audit_read.h>
 ~0U
 };
+
+int ppc32_classify_syscall(unsigned syscall)
+{
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 1;
+	}
+}
diff --git a/arch/s390/kernel/audit.c b/arch/s390/kernel/audit.c
index cde57039334c..0741d9193390 100644
--- a/arch/s390/kernel/audit.c
+++ b/arch/s390/kernel/audit.c
@@ -23,6 +23,27 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_COMPAT
+	extern int s390_classify_syscall(unsigned);
+	if (abi == AUDIT_ARCH_S390)
+		return s390_classify_syscall(syscall);
+#endif
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 0;
+	}
+}
+
 static int __init audit_classes_init(void)
 {
 #ifdef CONFIG_COMPAT
diff --git a/arch/s390/kernel/compat_audit.c b/arch/s390/kernel/compat_audit.c
index d9e5f3540d48..16d9436bfa91 100644
--- a/arch/s390/kernel/compat_audit.c
+++ b/arch/s390/kernel/compat_audit.c
@@ -20,3 +20,19 @@ unsigned s390_read_class[] = {
 #include <asm-generic/audit_read.h>
 ~0U
 };
+
+int s390_classify_syscall(unsigned syscall)
+{
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 1;
+	}
+}
diff --git a/arch/x86_64/ia32/audit.c b/arch/x86_64/ia32/audit.c
index 798501994bd9..92d7d0c8d93f 100644
--- a/arch/x86_64/ia32/audit.c
+++ b/arch/x86_64/ia32/audit.c
@@ -19,3 +19,19 @@ unsigned ia32_read_class[] = {
 #include <asm-generic/audit_read.h>
 ~0U
 };
+
+int ia32_classify_syscall(unsigned syscall)
+{
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 1;
+	}
+}
diff --git a/arch/x86_64/kernel/audit.c b/arch/x86_64/kernel/audit.c
index 36840acb6513..21f33387bef3 100644
--- a/arch/x86_64/kernel/audit.c
+++ b/arch/x86_64/kernel/audit.c
@@ -23,6 +23,25 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_IA32_EMULATION
+	extern int ia32_classify_syscall(unsigned);
+	if (abi == AUDIT_ARCH_I386)
+		return ia32_classify_syscall(syscall);
+#endif
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_execve:
+		return 5;
+	default:
+		return 0;
+	}
+}
+
 static int __init audit_classes_init(void)
 {
 #ifdef CONFIG_IA32_EMULATION