| 1 | /** |
| 2 | * Enhanced Seccomp Architecture Sycall Checker |
| 3 | * |
| 4 | * Copyright (c) 2014 Red Hat <pmoore@redhat.com> |
| 5 | * Author: Paul Moore <paul@paul-moore.com> |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | /* |
| 10 | * This library is free software; you can redistribute it and/or modify it |
| 11 | * under the terms of version 2.1 of the GNU Lesser General Public License as |
| 12 | * published by the Free Software Foundation. |
| 13 | * |
| 14 | * This library is distributed in the hope that it will be useful, but WITHOUT |
| 15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License |
| 17 | * for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public License |
| 20 | * along with this library; if not, see <http://www.gnu.org/licenses>. |
| 21 | */ |
| 22 | |
| 23 | #include <stdlib.h> |
| 24 | #include <stdio.h> |
| 25 | #include <string.h> |
| 26 | |
| 27 | #include "arch.h" |
| 28 | #include "arch-x86.h" |
| 29 | #include "arch-x86_64.h" |
| 30 | #include "arch-x32.h" |
| 31 | #include "arch-arm.h" |
| 32 | #include "arch-aarch64.h" |
| 33 | #include "arch-mips.h" |
| 34 | #include "arch-mips64.h" |
| 35 | #include "arch-mips64n32.h" |
| 36 | #include "arch-ppc.h" |
| 37 | #include "arch-ppc64.h" |
| 38 | #include "arch-s390.h" |
| 39 | #include "arch-s390x.h" |
| 40 | |
| 41 | /** |
| 42 | * compare the syscall values |
| 43 | * @param str_miss the other bad architectures |
| 44 | * @param syscall the syscall string to compare against |
| 45 | * @param arch_name the name of the arch being tested |
| 46 | * @param arch_sys the syscall name to compare |
| 47 | * |
| 48 | * Compare the syscall names and update @str_miss if necessary. |
| 49 | * |
| 50 | */ |
| 51 | void syscall_check(char *str_miss, const char *syscall, |
| 52 | const char *arch_name, const char *arch_sys) |
| 53 | { |
| 54 | if (strcmp(syscall, arch_sys)) { |
| 55 | if (str_miss[0] != '\0') |
| 56 | strcat(str_miss, ","); |
| 57 | strcat(str_miss, arch_name); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * main |
| 63 | */ |
| 64 | int main(int argc, char *argv[]) |
| 65 | { |
| 66 | int i_x86 = 0; |
| 67 | int i_x86_64 = 0; |
| 68 | int i_x32 = 0; |
| 69 | int i_arm = 0; |
| 70 | int i_aarch64 = 0; |
| 71 | int i_mips = 0; |
| 72 | int i_mips64 = 0; |
| 73 | int i_mips64n32 = 0; |
| 74 | int i_ppc = 0; |
| 75 | int i_ppc64 = 0; |
| 76 | int i_s390 = 0; |
| 77 | int i_s390x = 0; |
| 78 | const char *sys_name; |
| 79 | char str_miss[256]; |
| 80 | |
| 81 | do { |
| 82 | str_miss[0] = '\0'; |
| 83 | sys_name = x86_syscall_iterate_name(i_x86); |
| 84 | if (sys_name == NULL) { |
| 85 | printf("FAULT\n"); |
| 86 | return 1; |
| 87 | } |
| 88 | |
| 89 | /* check each arch using x86 as the reference */ |
| 90 | syscall_check(str_miss, sys_name, "x86_64", |
| 91 | x86_64_syscall_iterate_name(i_x86_64)); |
| 92 | syscall_check(str_miss, sys_name, "x32", |
| 93 | x32_syscall_iterate_name(i_x32)); |
| 94 | syscall_check(str_miss, sys_name, "arm", |
| 95 | arm_syscall_iterate_name(i_arm)); |
| 96 | syscall_check(str_miss, sys_name, "aarch64", |
| 97 | aarch64_syscall_iterate_name(i_aarch64)); |
| 98 | syscall_check(str_miss, sys_name, "mips", |
| 99 | mips_syscall_iterate_name(i_mips)); |
| 100 | syscall_check(str_miss, sys_name, "mips64", |
| 101 | mips64_syscall_iterate_name(i_mips64)); |
| 102 | syscall_check(str_miss, sys_name, "mips64n32", |
| 103 | mips64n32_syscall_iterate_name(i_mips64n32)); |
| 104 | syscall_check(str_miss, sys_name, "ppc", |
| 105 | ppc_syscall_iterate_name(i_ppc)); |
| 106 | syscall_check(str_miss, sys_name, "ppc64", |
| 107 | ppc64_syscall_iterate_name(i_ppc64)); |
| 108 | syscall_check(str_miss, sys_name, "s390", |
| 109 | s390_syscall_iterate_name(i_s390)); |
| 110 | syscall_check(str_miss, sys_name, "s390x", |
| 111 | s390x_syscall_iterate_name(i_s390x)); |
| 112 | |
| 113 | /* output the results */ |
| 114 | printf("%s: ", sys_name); |
| 115 | if (str_miss[0] != '\0') { |
| 116 | printf("MISS(%s)\n", str_miss); |
| 117 | return 1; |
| 118 | } else |
| 119 | printf("OK\n"); |
| 120 | |
| 121 | /* next */ |
| 122 | if (x86_syscall_iterate_name(i_x86 + 1)) |
| 123 | i_x86++; |
| 124 | if (!x86_64_syscall_iterate_name(++i_x86_64)) |
| 125 | i_x86_64 = -1; |
| 126 | if (!x32_syscall_iterate_name(++i_x32)) |
| 127 | i_x32 = -1; |
| 128 | if (!arm_syscall_iterate_name(++i_arm)) |
| 129 | i_arm = -1; |
| 130 | if (!aarch64_syscall_iterate_name(++i_aarch64)) |
| 131 | i_aarch64 = -1; |
| 132 | if (!mips_syscall_iterate_name(++i_mips)) |
| 133 | i_mips = -1; |
| 134 | if (!mips64_syscall_iterate_name(++i_mips64)) |
| 135 | i_mips64 = -1; |
| 136 | if (!mips64n32_syscall_iterate_name(++i_mips64n32)) |
| 137 | i_mips64n32 = -1; |
| 138 | if (!ppc_syscall_iterate_name(++i_ppc)) |
| 139 | i_ppc = -1; |
| 140 | if (!ppc64_syscall_iterate_name(++i_ppc64)) |
| 141 | i_ppc64 = -1; |
| 142 | if (!s390_syscall_iterate_name(++i_s390)) |
| 143 | i_s390 = -1; |
| 144 | if (!s390x_syscall_iterate_name(++i_s390x)) |
| 145 | i_s390x = -1; |
| 146 | } while (i_x86_64 >= 0 && i_x32 >= 0 && |
| 147 | i_arm >= 0 && i_aarch64 >= 0 && |
| 148 | i_mips >= 0 && i_mips64 >= 0 && i_mips64n32 >= 0 && |
| 149 | i_ppc >= 0 && i_ppc64 >= 0 && |
| 150 | i_s390 >= 0 && i_s390x >= 0); |
| 151 | |
| 152 | /* check for any leftovers */ |
| 153 | sys_name = x86_syscall_iterate_name(i_x86 + 1); |
| 154 | if (sys_name) { |
| 155 | printf("%s: ERROR, x86 has additional syscalls\n", sys_name); |
| 156 | return 1; |
| 157 | } |
| 158 | if (i_x86_64 >= 0) { |
| 159 | printf("%s: ERROR, x86_64 has additional syscalls\n", |
| 160 | x86_64_syscall_iterate_name(i_x86_64)); |
| 161 | return 1; |
| 162 | } |
| 163 | if (i_x32 >= 0) { |
| 164 | printf("%s: ERROR, x32 has additional syscalls\n", |
| 165 | x32_syscall_iterate_name(i_x32)); |
| 166 | return 1; |
| 167 | } |
| 168 | if (i_arm >= 0) { |
| 169 | printf("%s: ERROR, arm has additional syscalls\n", |
| 170 | arm_syscall_iterate_name(i_arm)); |
| 171 | return 1; |
| 172 | } |
| 173 | if (i_aarch64 >= 0) { |
| 174 | printf("%s: ERROR, aarch64 has additional syscalls\n", |
| 175 | aarch64_syscall_iterate_name(i_aarch64)); |
| 176 | return 1; |
| 177 | } |
| 178 | if (i_mips >= 0) { |
| 179 | printf("%s: ERROR, mips has additional syscalls\n", |
| 180 | mips_syscall_iterate_name(i_mips)); |
| 181 | return 1; |
| 182 | } |
| 183 | if (i_mips64 >= 0) { |
| 184 | printf("%s: ERROR, mips64 has additional syscalls\n", |
| 185 | mips64_syscall_iterate_name(i_mips64)); |
| 186 | return 1; |
| 187 | } |
| 188 | if (i_mips64n32 >= 0) { |
| 189 | printf("%s: ERROR, mips64n32 has additional syscalls\n", |
| 190 | mips64n32_syscall_iterate_name(i_mips64n32)); |
| 191 | return 1; |
| 192 | } |
| 193 | if (i_ppc >= 0) { |
| 194 | printf("%s: ERROR, ppc has additional syscalls\n", |
| 195 | ppc_syscall_iterate_name(i_ppc)); |
| 196 | } |
| 197 | if (i_ppc64 >= 0) { |
| 198 | printf("%s: ERROR, ppc64 has additional syscalls\n", |
| 199 | ppc64_syscall_iterate_name(i_ppc64)); |
| 200 | return 1; |
| 201 | } |
| 202 | if (i_s390 >= 0) { |
| 203 | printf("%s: ERROR, s390 has additional syscalls\n", |
| 204 | s390_syscall_iterate_name(i_s390)); |
| 205 | return 1; |
| 206 | } |
| 207 | if (i_s390x >= 0) { |
| 208 | printf("%s: ERROR, s390x has additional syscalls\n", |
| 209 | s390x_syscall_iterate_name(i_s390x)); |
| 210 | return 1; |
| 211 | } |
| 212 | |
| 213 | /* if we made it here, all is good */ |
| 214 | return 0; |
| 215 | } |