projects / linux-seccomp.git / blame
| Commit | Line | Data |
|---|---|---|
| 8befd5cc MG |
1 | /** |
| 2 | * Seccomp Library test program | |
| 3 | * | |
| 4 | * Author: Markos Chandras <markos.chandras@imgtec.com> | |
| 5 | */ | |
| 6 | ||
| 7 | /* | |
| 8 | * This library is free software; you can redistribute it and/or modify it | |
| 9 | * under the terms of version 2.1 of the GNU Lesser General Public License as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | * | |
| 12 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
| 15 | * for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU Lesser General Public License | |
| 18 | * along with this library; if not, see <http://www.gnu.org/licenses>. | |
| 19 | */ | |
| 20 | ||
| 21 | #include <errno.h> | |
| 22 | #include <unistd.h> | |
| 23 | ||
| 24 | #include <seccomp.h> | |
| 25 | ||
| 26 | #include "util.h" | |
| 27 | ||
| 28 | int main(int argc, char *argv[]) | |
| 29 | { | |
| 30 | int rc; | |
| 31 | struct util_options opts; | |
| 32 | scmp_filter_ctx ctx = NULL; | |
| 33 | ||
| 34 | rc = util_getopt(argc, argv, &opts); | |
| 35 | if (rc < 0) | |
| 36 | goto out; | |
| 37 | ||
| 38 | ctx = seccomp_init(SCMP_ACT_KILL); | |
| 39 | if (ctx == NULL) | |
| 40 | return ENOMEM; | |
| 41 | ||
| 42 | rc = seccomp_arch_remove(ctx, SCMP_ARCH_NATIVE); | |
| 43 | if (rc != 0) | |
| 44 | goto out; | |
| 45 | ||
| 46 | rc = seccomp_arch_add(ctx, seccomp_arch_resolve_name("mips")); | |
| 47 | if (rc != 0) | |
| 48 | goto out; | |
| 49 | rc = seccomp_arch_add(ctx, seccomp_arch_resolve_name("mips64")); | |
| 50 | if (rc != 0) | |
| 51 | goto out; | |
| 52 | rc = seccomp_arch_add(ctx, seccomp_arch_resolve_name("mips64n32")); | |
| 53 | if (rc != 0) | |
| 54 | goto out; | |
| 55 | rc = seccomp_arch_add(ctx, seccomp_arch_resolve_name("ppc")); | |
| 56 | if (rc != 0) | |
| 57 | goto out; | |
| 58 | rc = seccomp_arch_add(ctx, seccomp_arch_resolve_name("ppc64")); | |
| 59 | if (rc != 0) | |
| 60 | goto out; | |
| 61 | rc = seccomp_arch_add(ctx, seccomp_arch_resolve_name("s390")); | |
| 62 | if (rc != 0) | |
| 63 | goto out; | |
| 64 | rc = seccomp_arch_add(ctx, seccomp_arch_resolve_name("s390x")); | |
| 65 | if (rc != 0) | |
| 66 | goto out; | |
| 67 | ||
| 68 | rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1, | |
| 69 | SCMP_A0(SCMP_CMP_EQ, STDIN_FILENO)); | |
| 70 | if (rc != 0) | |
| 71 | goto out; | |
| 72 | ||
| 73 | rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 1, | |
| 74 | SCMP_A0(SCMP_CMP_EQ, STDOUT_FILENO)); | |
| 75 | if (rc != 0) | |
| 76 | goto out; | |
| 77 | ||
| 78 | rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 1, | |
| 79 | SCMP_A0(SCMP_CMP_EQ, STDERR_FILENO)); | |
| 80 | if (rc != 0) | |
| 81 | goto out; | |
| 82 | ||
| 83 | rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(close), 0); | |
| 84 | if (rc != 0) | |
| 85 | goto out; | |
| 86 | ||
| 87 | rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(rt_sigreturn), 0); | |
| 88 | if (rc != 0) | |
| 89 | goto out; | |
| 90 | ||
| 91 | rc = util_filter_output(&opts, ctx); | |
| 92 | if (rc) | |
| 93 | goto out; | |
| 94 | ||
| 95 | out: | |
| 96 | seccomp_release(ctx); | |
| 97 | return (rc < 0 ? -rc : rc); | |
| 98 | } |