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[PATCH] add SIGNAL syscall class (v3)

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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>
This commit is contained in:
Amy Griffis 2007-03-29 18:00:37 -04:00 committed by Al Viro
parent a5cb013da7
commit 7f13da40e3
13 changed files with 76 additions and 0 deletions
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5
arch/ia64/ia32/audit.c
View File

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

8
arch/ia64/kernel/audit.c
View File

@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
~0U ~0U
}; };
static unsigned signal_class[] = {
#include <asm-generic/audit_signal.h>
~0U
};
int audit_classify_syscall(int abi, unsigned syscall) int audit_classify_syscall(int abi, unsigned syscall)
{ {
#ifdef CONFIG_IA32_SUPPORT #ifdef CONFIG_IA32_SUPPORT
@ -49,15 +54,18 @@ static int __init audit_classes_init(void)
extern __u32 ia32_write_class[]; extern __u32 ia32_write_class[];
extern __u32 ia32_read_class[]; extern __u32 ia32_read_class[];
extern __u32 ia32_chattr_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_WRITE_32, ia32_write_class);
audit_register_class(AUDIT_CLASS_READ_32, ia32_read_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_DIR_WRITE_32, ia32_dir_class);
audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class); audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
#endif #endif
audit_register_class(AUDIT_CLASS_WRITE, write_class); audit_register_class(AUDIT_CLASS_WRITE, write_class);
audit_register_class(AUDIT_CLASS_READ, read_class); audit_register_class(AUDIT_CLASS_READ, read_class);
audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
return 0; return 0;
} }

8
arch/powerpc/kernel/audit.c
View File

@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
~0U ~0U
}; };
static unsigned signal_class[] = {
#include <asm-generic/audit_signal.h>
~0U
};
int audit_classify_syscall(int abi, unsigned syscall) int audit_classify_syscall(int abi, unsigned syscall)
{ {
#ifdef CONFIG_PPC64 #ifdef CONFIG_PPC64
@ -51,15 +56,18 @@ static int __init audit_classes_init(void)
extern __u32 ppc32_write_class[]; extern __u32 ppc32_write_class[];
extern __u32 ppc32_read_class[]; extern __u32 ppc32_read_class[];
extern __u32 ppc32_chattr_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_WRITE_32, ppc32_write_class);
audit_register_class(AUDIT_CLASS_READ_32, ppc32_read_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_DIR_WRITE_32, ppc32_dir_class);
audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class); audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL_32, ppc32_signal_class);
#endif #endif
audit_register_class(AUDIT_CLASS_WRITE, write_class); audit_register_class(AUDIT_CLASS_WRITE, write_class);
audit_register_class(AUDIT_CLASS_READ, read_class); audit_register_class(AUDIT_CLASS_READ, read_class);
audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
return 0; return 0;
} }

5
arch/powerpc/kernel/compat_audit.c
View File

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

8
arch/s390/kernel/audit.c
View File

@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
~0U ~0U
}; };
static unsigned signal_class[] = {
#include <asm-generic/audit_signal.h>
~0U
};
int audit_classify_syscall(int abi, unsigned syscall) int audit_classify_syscall(int abi, unsigned syscall)
{ {
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
@ -51,15 +56,18 @@ static int __init audit_classes_init(void)
extern __u32 s390_write_class[]; extern __u32 s390_write_class[];
extern __u32 s390_read_class[]; extern __u32 s390_read_class[];
extern __u32 s390_chattr_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_WRITE_32, s390_write_class);
audit_register_class(AUDIT_CLASS_READ_32, s390_read_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_DIR_WRITE_32, s390_dir_class);
audit_register_class(AUDIT_CLASS_CHATTR_32, s390_chattr_class); audit_register_class(AUDIT_CLASS_CHATTR_32, s390_chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL_32, s390_signal_class);
#endif #endif
audit_register_class(AUDIT_CLASS_WRITE, write_class); audit_register_class(AUDIT_CLASS_WRITE, write_class);
audit_register_class(AUDIT_CLASS_READ, read_class); audit_register_class(AUDIT_CLASS_READ, read_class);
audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
return 0; return 0;
} }

5
arch/s390/kernel/compat_audit.c
View File

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

8
arch/sparc64/kernel/audit.c
View File

@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
~0U ~0U
}; };
static unsigned signal_class[] = {
#include <asm-generic/audit_signal.h>
~0U
};
int audit_classify_syscall(int abi, unsigned syscall) int audit_classify_syscall(int abi, unsigned syscall)
{ {
#ifdef CONFIG_SPARC32_COMPAT #ifdef CONFIG_SPARC32_COMPAT
@ -51,15 +56,18 @@ static int __init audit_classes_init(void)
extern __u32 sparc32_write_class[]; extern __u32 sparc32_write_class[];
extern __u32 sparc32_read_class[]; extern __u32 sparc32_read_class[];
extern __u32 sparc32_chattr_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_WRITE_32, sparc32_write_class);
audit_register_class(AUDIT_CLASS_READ_32, sparc32_read_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_DIR_WRITE_32, sparc32_dir_class);
audit_register_class(AUDIT_CLASS_CHATTR_32, sparc32_chattr_class); audit_register_class(AUDIT_CLASS_CHATTR_32, sparc32_chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL_32, sparc32_signal_class);
#endif #endif
audit_register_class(AUDIT_CLASS_WRITE, write_class); audit_register_class(AUDIT_CLASS_WRITE, write_class);
audit_register_class(AUDIT_CLASS_READ, read_class); audit_register_class(AUDIT_CLASS_READ, read_class);
audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
return 0; return 0;
} }

5
arch/sparc64/kernel/compat_audit.c
View File

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

5
arch/x86_64/ia32/audit.c
View File

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

8
arch/x86_64/kernel/audit.c
View File

@ -23,6 +23,11 @@ static unsigned chattr_class[] = {
~0U ~0U
}; };
static unsigned signal_class[] = {
#include <asm-generic/audit_signal.h>
~0U
};
int audit_classify_syscall(int abi, unsigned syscall) int audit_classify_syscall(int abi, unsigned syscall)
{ {
#ifdef CONFIG_IA32_EMULATION #ifdef CONFIG_IA32_EMULATION
@ -49,15 +54,18 @@ static int __init audit_classes_init(void)
extern __u32 ia32_write_class[]; extern __u32 ia32_write_class[];
extern __u32 ia32_read_class[]; extern __u32 ia32_read_class[];
extern __u32 ia32_chattr_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_WRITE_32, ia32_write_class);
audit_register_class(AUDIT_CLASS_READ_32, ia32_read_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_DIR_WRITE_32, ia32_dir_class);
audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class); audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
#endif #endif
audit_register_class(AUDIT_CLASS_WRITE, write_class); audit_register_class(AUDIT_CLASS_WRITE, write_class);
audit_register_class(AUDIT_CLASS_READ, read_class); audit_register_class(AUDIT_CLASS_READ, read_class);
audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
audit_register_class(AUDIT_CLASS_CHATTR, chattr_class); audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
return 0; return 0;
} }

3
include/asm-generic/audit_signal.h Normal file
View File

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

2
include/linux/audit.h
View File

@ -149,6 +149,8 @@
#define AUDIT_CLASS_READ_32 5 #define AUDIT_CLASS_READ_32 5
#define AUDIT_CLASS_WRITE 6 #define AUDIT_CLASS_WRITE 6
#define AUDIT_CLASS_WRITE_32 7 #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 /* 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. * are currently used in an audit field constant understood by the kernel.

6
lib/audit.c
View File

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