diff options
Diffstat (limited to 'tests/11-basic-basic_errors.c')
| -rw-r--r-- | tests/11-basic-basic_errors.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/tests/11-basic-basic_errors.c b/tests/11-basic-basic_errors.c new file mode 100644 index 0000000..c065b42 --- /dev/null +++ b/tests/11-basic-basic_errors.c @@ -0,0 +1,243 @@ +/** + * Seccomp Library test program + * + * Copyright IBM Corp. 2012 + * Author: Corey Bryant <coreyb@linux.vnet.ibm.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 <errno.h> +#include <unistd.h> + +#include <seccomp.h> + +int main(int argc, char *argv[]) +{ + int rc; + scmp_filter_ctx ctx; + uint32_t attr; + unsigned int api; + struct seccomp_notif *req = NULL; + struct seccomp_notif_resp *resp = NULL; + + /* get the api level */ + api = seccomp_api_get(); + + /* seccomp_init errors */ + ctx = seccomp_init(SCMP_ACT_ALLOW + 1); + if (ctx != NULL) + return -1; + + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + seccomp_release(ctx); + ctx = NULL; + + /* ensure that seccomp_reset(NULL, ...) is accepted */ + rc = seccomp_reset(NULL, SCMP_ACT_ALLOW); + if (rc != 0) + return -1; + + /* seccomp_load error */ + rc = seccomp_load(ctx); + if (rc != -EINVAL) + return -1; + + /* seccomp_syscall_priority errors */ + rc = seccomp_syscall_priority(ctx, SCMP_SYS(read), 1); + if (rc != -EINVAL) + return -1; + + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + else { + rc = seccomp_syscall_priority(ctx, -10, 1); + if (rc != -EINVAL) + return -1; + } + seccomp_release(ctx); + ctx = NULL; + + /* seccomp_rule_add errors */ + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1, + SCMP_A0(SCMP_CMP_EQ, 0)); + if (rc != -EINVAL) + return -1; + + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + else { + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 0); + if (rc != -EACCES) + return -1; + rc = seccomp_rule_add(ctx, SCMP_ACT_KILL - 1, SCMP_SYS(read), 0); + if (rc != -EINVAL) + return -1; + rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, SCMP_SYS(read), 7); + if (rc != -EINVAL) + return -1; + rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, SCMP_SYS(read), 7, + SCMP_A0(SCMP_CMP_EQ, 0), + SCMP_A1(SCMP_CMP_EQ, 0), + SCMP_A2(SCMP_CMP_EQ, 0), + SCMP_A3(SCMP_CMP_EQ, 0), + SCMP_A4(SCMP_CMP_EQ, 0), + SCMP_A5(SCMP_CMP_EQ, 0), + SCMP_CMP(6, SCMP_CMP_EQ, 0)); + if (rc != -EINVAL) + return -1; + rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, SCMP_SYS(read), 1, + SCMP_A0(_SCMP_CMP_MIN, 0)); + if (rc != -EINVAL) + return -1; + rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, SCMP_SYS(read), 1, + SCMP_A0(_SCMP_CMP_MAX, 0)); + if (rc != -EINVAL) + return -1; + rc = seccomp_rule_add_exact(ctx, SCMP_ACT_KILL, -10001, 0); + if (rc != -EDOM) + return -1; + } + seccomp_release(ctx); + ctx = NULL; + + /* seccomp_rule_add_exact error */ + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + rc = seccomp_arch_remove(ctx, SCMP_ARCH_NATIVE); + if (rc != 0) + return -1; + rc = seccomp_arch_add(ctx, SCMP_ARCH_X86); + if (rc != 0) + return -1; + rc = seccomp_rule_add_exact(ctx, SCMP_ACT_KILL, SCMP_SYS(socket), 1, + SCMP_A0(SCMP_CMP_EQ, 2)); + if (rc != -EINVAL) + return -1; + rc = seccomp_rule_add_exact(ctx, 0xdeadbeef, SCMP_SYS(open), 0); + if (rc != -EINVAL) + return -1; + seccomp_release(ctx); + ctx = NULL; + + /* errno values beyond MAX_ERRNO */ + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + rc = seccomp_rule_add(ctx, SCMP_ACT_ERRNO(0xffff), 0, 0); + if (rc != -EINVAL) + return -1; + seccomp_release(ctx); + ctx = NULL; + + /* seccomp_export_pfc errors */ + rc = seccomp_export_pfc(ctx, STDOUT_FILENO); + if (rc != -EINVAL) + return -1; + + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + else { + rc = seccomp_export_pfc(ctx, sysconf(_SC_OPEN_MAX) - 1); + if (rc != -ECANCELED) + return -1; + } + seccomp_release(ctx); + ctx = NULL; + + /* seccomp_export_bpf errors */ + rc = seccomp_export_bpf(ctx, STDOUT_FILENO); + if (rc != -EINVAL) + return -1; + + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + else { + rc = seccomp_export_bpf(ctx, sysconf(_SC_OPEN_MAX) - 1); + if (rc != -ECANCELED) + return -1; + } + seccomp_release(ctx); + ctx = NULL; + + /* seccomp_attr_* errors */ + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + rc = seccomp_attr_get(ctx, 1000, &attr); + if (rc != -EINVAL) + return -1; + rc = seccomp_attr_set(ctx, 1000, 1); + if (rc != -EINVAL) + return -1; + seccomp_release(ctx); + ctx = NULL; + + /* seccomp_merge() errors */ + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + rc = seccomp_merge(ctx, NULL); + if (rc == 0) + return -1; + seccomp_release(ctx); + ctx = NULL; + + /* seccomp notify errors */ + if (api >= 5) { + ctx = seccomp_init(SCMP_ACT_ALLOW); + if (ctx == NULL) + return -1; + rc = seccomp_notify_alloc(NULL, NULL); + if (rc != 0) + return -1; + rc = seccomp_notify_alloc(&req, NULL); + if (rc != 0) + return -1; + rc = seccomp_notify_alloc(NULL, &resp); + if (rc != 0) + return -1; + seccomp_notify_free(NULL, NULL); + seccomp_notify_free(req, resp); + req = NULL; + resp = NULL; + rc = seccomp_notify_receive(-1, NULL); + if (rc == 0) + return -1; + rc = seccomp_notify_respond(-1, NULL); + if (rc == 0) + return -1; + rc = seccomp_notify_id_valid(-1, 0); + if (rc == 0) + return -1; + rc = seccomp_notify_fd(NULL); + if (rc == 0) + return -1; + rc = seccomp_notify_fd(ctx); + if (rc == 0) + return -1; + seccomp_release(ctx); + ctx = NULL; + } + + return 0; +} |