| 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 <errno.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <stdio.h> |
| 26 | #include <ctype.h> |
| 27 | #include <string.h> |
| 28 | #include <unistd.h> |
| 29 | |
| 30 | #include <seccomp.h> |
| 31 | |
| 32 | #include "arch.h" |
| 33 | #include "arch-x86.h" |
| 34 | #include "arch-x86_64.h" |
| 35 | #include "arch-x32.h" |
| 36 | #include "arch-arm.h" |
| 37 | #include "arch-mips.h" |
| 38 | #include "arch-mips64.h" |
| 39 | #include "arch-mips64n32.h" |
| 40 | #include "arch-aarch64.h" |
| 41 | #include "arch-ppc.h" |
| 42 | #include "arch-ppc64.h" |
| 43 | #include "arch-s390.h" |
| 44 | #include "arch-s390x.h" |
| 45 | |
| 46 | /** |
| 47 | * Print the usage information to stderr and exit |
| 48 | * @param program the name of the current program being invoked |
| 49 | * |
| 50 | * Print the usage information and exit with EINVAL. |
| 51 | * |
| 52 | */ |
| 53 | static void exit_usage(const char *program) |
| 54 | { |
| 55 | fprintf(stderr, "usage: %s [-h] [-a <arch>] [-o <offset>]\n", program); |
| 56 | exit(EINVAL); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * main |
| 61 | */ |
| 62 | int main(int argc, char *argv[]) |
| 63 | { |
| 64 | int opt; |
| 65 | const struct arch_def *arch = arch_def_native; |
| 66 | int offset = 0; |
| 67 | int iter; |
| 68 | int sys_num; |
| 69 | const char *sys_name; |
| 70 | |
| 71 | /* parse the command line */ |
| 72 | while ((opt = getopt(argc, argv, "a:o:h")) > 0) { |
| 73 | switch (opt) { |
| 74 | case 'a': |
| 75 | arch = arch_def_lookup_name(optarg); |
| 76 | if (arch == 0) |
| 77 | exit_usage(argv[0]); |
| 78 | break; |
| 79 | case 'o': |
| 80 | offset = atoi(optarg); |
| 81 | break; |
| 82 | case 'h': |
| 83 | default: |
| 84 | /* usage information */ |
| 85 | exit_usage(argv[0]); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | iter = 0; |
| 90 | do { |
| 91 | switch (arch->token) { |
| 92 | case SCMP_ARCH_X86: |
| 93 | sys_name = x86_syscall_iterate_name(iter); |
| 94 | break; |
| 95 | case SCMP_ARCH_X86_64: |
| 96 | sys_name = x86_64_syscall_iterate_name(iter); |
| 97 | break; |
| 98 | case SCMP_ARCH_X32: |
| 99 | sys_name = x32_syscall_iterate_name(iter); |
| 100 | break; |
| 101 | case SCMP_ARCH_ARM: |
| 102 | sys_name = arm_syscall_iterate_name(iter); |
| 103 | break; |
| 104 | case SCMP_ARCH_AARCH64: |
| 105 | sys_name = aarch64_syscall_iterate_name(iter); |
| 106 | break; |
| 107 | case SCMP_ARCH_MIPS: |
| 108 | case SCMP_ARCH_MIPSEL: |
| 109 | sys_name = mips_syscall_iterate_name(iter); |
| 110 | break; |
| 111 | case SCMP_ARCH_MIPS64: |
| 112 | case SCMP_ARCH_MIPSEL64: |
| 113 | sys_name = mips64_syscall_iterate_name(iter); |
| 114 | break; |
| 115 | case SCMP_ARCH_MIPS64N32: |
| 116 | case SCMP_ARCH_MIPSEL64N32: |
| 117 | sys_name = mips64n32_syscall_iterate_name(iter); |
| 118 | break; |
| 119 | case SCMP_ARCH_PPC: |
| 120 | sys_name = ppc_syscall_iterate_name(iter); |
| 121 | break; |
| 122 | case SCMP_ARCH_PPC64: |
| 123 | case SCMP_ARCH_PPC64LE: |
| 124 | sys_name = ppc64_syscall_iterate_name(iter); |
| 125 | break; |
| 126 | case SCMP_ARCH_S390: |
| 127 | sys_name = s390_syscall_iterate_name(iter); |
| 128 | break; |
| 129 | case SCMP_ARCH_S390X: |
| 130 | sys_name = s390x_syscall_iterate_name(iter); |
| 131 | break; |
| 132 | default: |
| 133 | /* invalid arch */ |
| 134 | exit_usage(argv[0]); |
| 135 | } |
| 136 | if (sys_name != NULL) { |
| 137 | sys_num = arch_syscall_resolve_name(arch, sys_name); |
| 138 | if (offset > 0 && sys_num > 0) |
| 139 | sys_num -= offset; |
| 140 | |
| 141 | /* output the results */ |
| 142 | printf("%s\t%d\n", sys_name, sys_num); |
| 143 | |
| 144 | /* next */ |
| 145 | iter++; |
| 146 | } |
| 147 | } while (sys_name != NULL); |
| 148 | |
| 149 | return 0; |
| 150 | } |