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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 | } |