[linux-seccomp.git] / libseccomp / tests / 11-basic-basic_errors.c

/**
 * 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;

	/* 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;

	/* seccomp_reset error */
	rc = seccomp_reset(ctx, SCMP_ACT_KILL + 1);
	if (rc != -EINVAL)
		return -1;
	rc = seccomp_reset(ctx, SCMP_ACT_KILL);
	if (rc != -EINVAL)
		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 != -EPERM)
			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;
	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 != EBADF)
			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 != -EBADF)
			return -1;
	}
	seccomp_release(ctx);
	ctx = NULL;

	return 0;
}
Commit	Line	Data
8befd5cc MG	1	/**
	2	* Seccomp Library test program
	3	*
	4	* Copyright IBM Corp. 2012
	5	* Author: Corey Bryant <coreyb@linux.vnet.ibm.com>
	6	*/
	7
	8	/*
	9	* This library is free software; you can redistribute it and/or modify it
	10	* under the terms of version 2.1 of the GNU Lesser General Public License as
	11	* published by the Free Software Foundation.
	12	*
	13	* This library is distributed in the hope that it will be useful, but WITHOUT
	14	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	15	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
	16	* for more details.
	17	*
	18	* You should have received a copy of the GNU Lesser General Public License
	19	* along with this library; if not, see <http://www.gnu.org/licenses>.
	20	*/
	21
	22	#include <errno.h>
	23	#include <unistd.h>
	24
	25	#include <seccomp.h>
	26
	27	int main(int argc, char *argv[])
	28	{
	29	int rc;
	30	scmp_filter_ctx ctx;
	31
	32	/* seccomp_init errors */
	33	ctx = seccomp_init(SCMP_ACT_ALLOW + 1);
	34	if (ctx != NULL)
	35	return -1;
	36
	37	ctx = seccomp_init(SCMP_ACT_ALLOW);
	38	if (ctx == NULL)
	39	return -1;
	40	seccomp_release(ctx);
	41	ctx = NULL;
	42
	43	/* seccomp_reset error */
	44	rc = seccomp_reset(ctx, SCMP_ACT_KILL + 1);
	45	if (rc != -EINVAL)
	46	return -1;
	47	rc = seccomp_reset(ctx, SCMP_ACT_KILL);
	48	if (rc != -EINVAL)
	49	return -1;
	50
	51	/* seccomp_load error */
	52	rc = seccomp_load(ctx);
	53	if (rc != -EINVAL)
	54	return -1;
	55
	56	/* seccomp_syscall_priority errors */
	57	rc = seccomp_syscall_priority(ctx, SCMP_SYS(read), 1);
	58	if (rc != -EINVAL)
	59	return -1;
	60
	61	ctx = seccomp_init(SCMP_ACT_ALLOW);
	62	if (ctx == NULL)
	63	return -1;
	64	else {
65	rc = seccomp_syscall_priority(ctx, -10, 1);
66	if (rc != -EINVAL)
67	return -1;
68	}
69	seccomp_release(ctx);
70	ctx = NULL;
71
72	/* seccomp_rule_add errors */
73	rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1,
74	SCMP_A0(SCMP_CMP_EQ, 0));
75	if (rc != -EINVAL)
76	return -1;
77
78	ctx = seccomp_init(SCMP_ACT_ALLOW);
79	if (ctx == NULL)
80	return -1;
81	else {
82	rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 0);
83	if (rc != -EPERM)
84	return -1;
85	rc = seccomp_rule_add(ctx, SCMP_ACT_KILL - 1, SCMP_SYS(read), 0);
86	if (rc != -EINVAL)
87	return -1;
88	rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, SCMP_SYS(read), 7);
89	if (rc != -EINVAL)
90	return -1;
91	rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, SCMP_SYS(read), 7,
92	SCMP_A0(SCMP_CMP_EQ, 0),
93	SCMP_A1(SCMP_CMP_EQ, 0),
94	SCMP_A2(SCMP_CMP_EQ, 0),
95	SCMP_A3(SCMP_CMP_EQ, 0),
96	SCMP_A4(SCMP_CMP_EQ, 0),
97	SCMP_A5(SCMP_CMP_EQ, 0),
98	SCMP_CMP(6, SCMP_CMP_EQ, 0));
99	if (rc != -EINVAL)
100	return -1;
101	rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, SCMP_SYS(read), 1,
102	SCMP_A0(_SCMP_CMP_MIN, 0));
103	if (rc != -EINVAL)
104	return -1;
105	rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, SCMP_SYS(read), 1,
106	SCMP_A0(_SCMP_CMP_MAX, 0));
107	if (rc != -EINVAL)
108	return -1;
109	rc = seccomp_rule_add_exact(ctx, SCMP_ACT_KILL, -10001, 0);
110	if (rc != -EDOM)
111	return -1;
112	}
113	seccomp_release(ctx);
114	ctx = NULL;
115
116	/* seccomp_rule_add_exact error */
117	ctx = seccomp_init(SCMP_ACT_ALLOW);
118	if (ctx == NULL)
119	return -1;
120	rc = seccomp_arch_remove(ctx, SCMP_ARCH_NATIVE);
121	if (rc != 0)
122	return -1;
123	rc = seccomp_arch_add(ctx, SCMP_ARCH_X86);
124	if (rc != 0)
125	return -1;
126	rc = seccomp_rule_add_exact(ctx, SCMP_ACT_KILL, SCMP_SYS(socket), 1,
127	SCMP_A0(SCMP_CMP_EQ, 2));
128	if (rc != -EINVAL)
129	return -1;
130	seccomp_release(ctx);
131	ctx = NULL;
132
133	/* errno values beyond MAX_ERRNO */
134	ctx = seccomp_init(SCMP_ACT_ALLOW);
135	if (ctx == NULL)
136	return -1;
137	rc = seccomp_rule_add(ctx, SCMP_ACT_ERRNO(0xffff), 0, 0);
138	if (rc != -EINVAL)
139	return -1;
140	seccomp_release(ctx);
141	ctx = NULL;
142
143	/* seccomp_export_pfc errors */
144	rc = seccomp_export_pfc(ctx, STDOUT_FILENO);
145	if (rc != -EINVAL)
146	return -1;
147
148	ctx = seccomp_init(SCMP_ACT_ALLOW);
149	if (ctx == NULL)
150	return -1;
151	else {
152	rc = seccomp_export_pfc(ctx, sysconf(_SC_OPEN_MAX) - 1);
153	if (rc != EBADF)
154	return -1;
155	}
156	seccomp_release(ctx);
157	ctx = NULL;
158
159	/* seccomp_export_bpf errors */
160	rc = seccomp_export_bpf(ctx, STDOUT_FILENO);
161	if (rc != -EINVAL)
162	return -1;
163
164	ctx = seccomp_init(SCMP_ACT_ALLOW);
165	if (ctx == NULL)
166	return -1;
167	else {
168	rc = seccomp_export_bpf(ctx, sysconf(_SC_OPEN_MAX) - 1);
169	if (rc != -EBADF)
170	return -1;
171	}
172	seccomp_release(ctx);
173	ctx = NULL;
174
175	return 0;
176	}