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/**
* Enhanced Seccomp Architecture Sycall Checker
*
* Copyright (c) 2014 Red Hat <pmoore@redhat.com>
* Author: Paul Moore <paul@paul-moore.com>
*
*/
/*
* This library is free software; you can redistribute it and/or modify it
* under the terms of version 2.1 of the GNU Lesser General Public License as
* published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, see <http://www.gnu.org/licenses>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "arch.h"
#include "arch-x86.h"
#include "arch-x86_64.h"
#include "arch-x32.h"
#include "arch-arm.h"
#include "arch-aarch64.h"
#include "arch-mips.h"
#include "arch-mips64.h"
#include "arch-mips64n32.h"
#include "arch-parisc.h"
#include "arch-ppc.h"
#include "arch-ppc64.h"
#include "arch-s390.h"
#include "arch-s390x.h"
/**
* compare the syscall values
* @param str_miss the other bad architectures
* @param syscall the syscall string to compare against
* @param arch_name the name of the arch being tested
* @param arch_sys the syscall name to compare
*
* Compare the syscall names and update @str_miss if necessary.
*
*/
void syscall_check(char *str_miss, const char *syscall,
const char *arch_name, const struct arch_syscall_def *sys)
{
if (strcmp(syscall, sys->name)) {
if (str_miss[0] != '\0')
strcat(str_miss, ",");
strcat(str_miss, arch_name);
}
}
/**
* main
*/
int main(int argc, char *argv[])
{
int i_x86 = 0;
int i_x86_64 = 0;
int i_x32 = 0;
int i_arm = 0;
int i_aarch64 = 0;
int i_mips = 0;
int i_mips64 = 0;
int i_mips64n32 = 0;
int i_parisc = 0;
int i_ppc = 0;
int i_ppc64 = 0;
int i_s390 = 0;
int i_s390x = 0;
char str_miss[256];
const char *sys_name;
const struct arch_syscall_def *sys;
do {
str_miss[0] = '\0';
sys = x86_syscall_iterate(i_x86);
if (sys == NULL || sys->name == NULL) {
printf("FAULT\n");
return 1;
}
sys_name = sys->name;
/* check each arch using x86 as the reference */
syscall_check(str_miss, sys_name, "x86_64",
x86_64_syscall_iterate(i_x86_64));
syscall_check(str_miss, sys_name, "x32",
x32_syscall_iterate(i_x32));
syscall_check(str_miss, sys_name, "arm",
arm_syscall_iterate(i_arm));
syscall_check(str_miss, sys_name, "aarch64",
aarch64_syscall_iterate(i_aarch64));
syscall_check(str_miss, sys_name, "mips",
mips_syscall_iterate(i_mips));
syscall_check(str_miss, sys_name, "mips64",
mips64_syscall_iterate(i_mips64));
syscall_check(str_miss, sys_name, "mips64n32",
mips64n32_syscall_iterate(i_mips64n32));
syscall_check(str_miss, sys_name, "parisc",
parisc_syscall_iterate(i_parisc));
syscall_check(str_miss, sys_name, "ppc",
ppc_syscall_iterate(i_ppc));
syscall_check(str_miss, sys_name, "ppc64",
ppc64_syscall_iterate(i_ppc64));
syscall_check(str_miss, sys_name, "s390",
s390_syscall_iterate(i_s390));
syscall_check(str_miss, sys_name, "s390x",
s390x_syscall_iterate(i_s390x));
/* output the results */
printf("%s: ", sys_name);
if (str_miss[0] != '\0') {
printf("MISS(%s)\n", str_miss);
return 1;
} else
printf("OK\n");
/* next */
if (x86_syscall_iterate(i_x86 + 1)->name)
i_x86++;
if (!x86_64_syscall_iterate(++i_x86_64)->name)
i_x86_64 = -1;
if (!x32_syscall_iterate(++i_x32)->name)
i_x32 = -1;
if (!arm_syscall_iterate(++i_arm)->name)
i_arm = -1;
if (!aarch64_syscall_iterate(++i_aarch64)->name)
i_aarch64 = -1;
if (!mips_syscall_iterate(++i_mips)->name)
i_mips = -1;
if (!mips64_syscall_iterate(++i_mips64)->name)
i_mips64 = -1;
if (!mips64n32_syscall_iterate(++i_mips64n32)->name)
i_mips64n32 = -1;
if (!parisc_syscall_iterate(++i_parisc)->name)
i_parisc = -1;
if (!ppc_syscall_iterate(++i_ppc)->name)
i_ppc = -1;
if (!ppc64_syscall_iterate(++i_ppc64)->name)
i_ppc64 = -1;
if (!s390_syscall_iterate(++i_s390)->name)
i_s390 = -1;
if (!s390x_syscall_iterate(++i_s390x)->name)
i_s390x = -1;
} while (i_x86_64 >= 0 && i_x32 >= 0 &&
i_arm >= 0 && i_aarch64 >= 0 &&
i_mips >= 0 && i_mips64 >= 0 && i_mips64n32 >= 0 &&
i_parisc >= 0 &&
i_ppc >= 0 && i_ppc64 >= 0 &&
i_s390 >= 0 && i_s390x >= 0);
/* check for any leftovers */
sys = x86_syscall_iterate(i_x86 + 1);
if (sys->name) {
printf("ERROR, x86 has additional syscalls\n");
return 1;
}
if (i_x86_64 >= 0) {
printf("ERROR, x86_64 has additional syscalls\n");
return 1;
}
if (i_x32 >= 0) {
printf("ERROR, x32 has additional syscalls\n");
return 1;
}
if (i_arm >= 0) {
printf("ERROR, arm has additional syscalls\n");
return 1;
}
if (i_aarch64 >= 0) {
printf("ERROR, aarch64 has additional syscalls\n");
return 1;
}
if (i_mips >= 0) {
printf("ERROR, mips has additional syscalls\n");
return 1;
}
if (i_mips64 >= 0) {
printf("ERROR, mips64 has additional syscalls\n");
return 1;
}
if (i_mips64n32 >= 0) {
printf("ERROR, mips64n32 has additional syscalls\n");
return 1;
}
if (i_parisc >= 0) {
printf("ERROR, parisc has additional syscalls\n");
return 1;
}
if (i_ppc >= 0) {
printf("ERROR, ppc has additional syscalls\n");
return 1;
}
if (i_ppc64 >= 0) {
printf("ERROR, ppc64 has additional syscalls\n");
return 1;
}
if (i_s390 >= 0) {
printf("ERROR, s390 has additional syscalls\n");
return 1;
}
if (i_s390x >= 0) {
printf("ERROR, s390x has additional syscalls\n");
return 1;
}
/* if we made it here, all is good */
return 0;
}
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