[PATCH] add SIGNAL syscall class (v3)

Add a syscall class for sending signals.

Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/ia64/ia32/audit.c

@@ -20,6 +20,11 @@ unsigned ia32_read_class[] = {
 ~0U
 };
 
+unsigned ia32_signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int ia32_classify_syscall(unsigned syscall)
 {
 	switch(syscall) {

arch/ia64/kernel/audit.c

@@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+static unsigned signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int audit_classify_syscall(int abi, unsigned syscall)
 {
 #ifdef CONFIG_IA32_SUPPORT
@@ -49,15 +54,18 @@ static int __init audit_classes_init(void)
 	extern __u32 ia32_write_class[];
 	extern __u32 ia32_read_class[];
 	extern __u32 ia32_chattr_class[];
+	extern __u32 ia32_signal_class[];
 	audit_register_class(AUDIT_CLASS_WRITE_32, ia32_write_class);
 	audit_register_class(AUDIT_CLASS_READ_32, ia32_read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ia32_dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
 #endif
 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
 	audit_register_class(AUDIT_CLASS_READ, read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
 	return 0;
 }
 

arch/powerpc/kernel/audit.c

@@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+static unsigned signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int audit_classify_syscall(int abi, unsigned syscall)
 {
 #ifdef CONFIG_PPC64
@@ -51,15 +56,18 @@ static int __init audit_classes_init(void)
 	extern __u32 ppc32_write_class[];
 	extern __u32 ppc32_read_class[];
 	extern __u32 ppc32_chattr_class[];
+	extern __u32 ppc32_signal_class[];
 	audit_register_class(AUDIT_CLASS_WRITE_32, ppc32_write_class);
 	audit_register_class(AUDIT_CLASS_READ_32, ppc32_read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ppc32_dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL_32, ppc32_signal_class);
 #endif
 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
 	audit_register_class(AUDIT_CLASS_READ, read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
 	return 0;
 }
 

arch/powerpc/kernel/compat_audit.c

@@ -21,6 +21,11 @@ unsigned ppc32_read_class[] = {
 ~0U
 };
 
+unsigned ppc32_signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int ppc32_classify_syscall(unsigned syscall)
 {
 	switch(syscall) {

arch/s390/kernel/audit.c

@@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+static unsigned signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int audit_classify_syscall(int abi, unsigned syscall)
 {
 #ifdef CONFIG_COMPAT
@@ -51,15 +56,18 @@ static int __init audit_classes_init(void)
 	extern __u32 s390_write_class[];
 	extern __u32 s390_read_class[];
 	extern __u32 s390_chattr_class[];
+	extern __u32 s390_signal_class[];
 	audit_register_class(AUDIT_CLASS_WRITE_32, s390_write_class);
 	audit_register_class(AUDIT_CLASS_READ_32, s390_read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, s390_dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR_32, s390_chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL_32, s390_signal_class);
 #endif
 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
 	audit_register_class(AUDIT_CLASS_READ, read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
 	return 0;
 }
 

arch/s390/kernel/compat_audit.c

@@ -21,6 +21,11 @@ unsigned s390_read_class[] = {
 ~0U
 };
 
+unsigned s390_signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int s390_classify_syscall(unsigned syscall)
 {
 	switch(syscall) {

arch/sparc64/kernel/audit.c

@@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+static unsigned signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int audit_classify_syscall(int abi, unsigned syscall)
 {
 #ifdef CONFIG_SPARC32_COMPAT
@@ -51,15 +56,18 @@ static int __init audit_classes_init(void)
 	extern __u32 sparc32_write_class[];
 	extern __u32 sparc32_read_class[];
 	extern __u32 sparc32_chattr_class[];
+	extern __u32 sparc32_signal_class[];
 	audit_register_class(AUDIT_CLASS_WRITE_32, sparc32_write_class);
 	audit_register_class(AUDIT_CLASS_READ_32, sparc32_read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, sparc32_dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR_32, sparc32_chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL_32, sparc32_signal_class);
 #endif
 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
 	audit_register_class(AUDIT_CLASS_READ, read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
 	return 0;
 }
 

arch/sparc64/kernel/compat_audit.c

@@ -20,6 +20,11 @@ unsigned sparc32_read_class[] = {
 ~0U
 };
 
+unsigned sparc32_signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int sparc32_classify_syscall(unsigned syscall)
 {
 	switch(syscall) {

arch/x86_64/ia32/audit.c

@@ -20,6 +20,11 @@ unsigned ia32_read_class[] = {
 ~0U
 };
 
+unsigned ia32_signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int ia32_classify_syscall(unsigned syscall)
 {
 	switch(syscall) {

arch/x86_64/kernel/audit.c

@@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+static unsigned signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int audit_classify_syscall(int abi, unsigned syscall)
 {
 #ifdef CONFIG_IA32_EMULATION
@@ -49,15 +54,18 @@ static int __init audit_classes_init(void)
 	extern __u32 ia32_write_class[];
 	extern __u32 ia32_read_class[];
 	extern __u32 ia32_chattr_class[];
+	extern __u32 ia32_signal_class[];
 	audit_register_class(AUDIT_CLASS_WRITE_32, ia32_write_class);
 	audit_register_class(AUDIT_CLASS_READ_32, ia32_read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ia32_dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
 #endif
 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
 	audit_register_class(AUDIT_CLASS_READ, read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
 	return 0;
 }
 

include/asm-generic/audit_signal.h

@@ -0,0 +1,3 @@
+__NR_kill,
+__NR_tgkill,
+__NR_tkill,

include/linux/audit.h

@@ -149,6 +149,8 @@
 #define AUDIT_CLASS_READ_32 5
 #define AUDIT_CLASS_WRITE 6
 #define AUDIT_CLASS_WRITE_32 7
+#define AUDIT_CLASS_SIGNAL 8
+#define AUDIT_CLASS_SIGNAL_32 9
 
 /* This bitmask is used to validate user input.  It represents all bits that
  * are currently used in an audit field constant understood by the kernel.

lib/audit.c

@@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
 ~0U
 };
 
+static unsigned signal_class[] = {
+#include <asm-generic/audit_signal.h>
+~0U
+};
+
 int audit_classify_syscall(int abi, unsigned syscall)
 {
 	switch(syscall) {
@@ -49,6 +54,7 @@ static int __init audit_classes_init(void)
 	audit_register_class(AUDIT_CLASS_READ, read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
 	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+	audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
 	return 0;
 }