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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 <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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Amy Griffis authored and Al Viro committed May 11, 2007
1 parent a5cb013 commit 7f13da4
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Showing 13 changed files with 76 additions and 0 deletions.
5 changes: 5 additions & 0 deletions arch/ia64/ia32/audit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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) {
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8 changes: 8 additions & 0 deletions arch/ia64/kernel/audit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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;
}

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8 changes: 8 additions & 0 deletions arch/powerpc/kernel/audit.c
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Expand Up @@ -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
Expand Down Expand Up @@ -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;
}

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5 changes: 5 additions & 0 deletions arch/powerpc/kernel/compat_audit.c
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Expand Up @@ -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) {
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8 changes: 8 additions & 0 deletions arch/s390/kernel/audit.c
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Expand Up @@ -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
Expand Down Expand Up @@ -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;
}

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5 changes: 5 additions & 0 deletions arch/s390/kernel/compat_audit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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) {
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8 changes: 8 additions & 0 deletions arch/sparc64/kernel/audit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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;
}

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5 changes: 5 additions & 0 deletions arch/sparc64/kernel/compat_audit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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) {
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5 changes: 5 additions & 0 deletions arch/x86_64/ia32/audit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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) {
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8 changes: 8 additions & 0 deletions arch/x86_64/kernel/audit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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;
}

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3 changes: 3 additions & 0 deletions include/asm-generic/audit_signal.h
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@@ -0,0 +1,3 @@
__NR_kill,
__NR_tgkill,
__NR_tkill,
2 changes: 2 additions & 0 deletions include/linux/audit.h
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Expand Up @@ -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.
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6 changes: 6 additions & 0 deletions lib/audit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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) {
Expand All @@ -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;
}

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