diff options
Diffstat (limited to 'tools/regression/priv/priv_netinet_ipsec.c')
| -rw-r--r-- | tools/regression/priv/priv_netinet_ipsec.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/tools/regression/priv/priv_netinet_ipsec.c b/tools/regression/priv/priv_netinet_ipsec.c new file mode 100644 index 000000000000..72ccc076a493 --- /dev/null +++ b/tools/regression/priv/priv_netinet_ipsec.c @@ -0,0 +1,327 @@ +/*- + * Copyright (c) 2007 Bjoern A. Zeeb + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY, + * INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Confirm that privilege is required to open a pfkey socket, and that this + * is not allowed in jail. + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <net/pfkeyv2.h> +#include <netinet/in.h> +#include <netipsec/ipsec.h> + +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> + +#include "main.h" + +static char policy_bypass[] = "in bypass"; +static char policy_entrust[] = "in entrust"; +static char *bypassbuf = NULL; +static char *entrustbuf = NULL; +static int sd = -1; + + +static int +priv_netinet_ipsec_policy_bypass_setup_af(int asroot, int injail, + struct test *test, int af) +{ + + bypassbuf = ipsec_set_policy(policy_bypass, sizeof(policy_bypass) - 1); + if (bypassbuf == NULL) { + warn("%s: ipsec_set_policy(NULL)", __func__); + return (-1); + } + switch (af) { + case AF_INET: + sd = socket(AF_INET, SOCK_DGRAM, 0); + if (sd < 0) { + warn("%s: socket4", __func__); + return (-1); + } + break; +#ifdef INET6 + case AF_INET6: + sd = socket(AF_INET6, SOCK_DGRAM, 0); + if (sd < 0) { + warn("%s: socket6", __func__); + return (-1); + } + break; +#endif + default: + warnx("%s: unexpected address family", __func__); + return (-1); + } + return (0); +} + +int +priv_netinet_ipsec_policy4_bypass_setup(int asroot, int injail, + struct test *test) +{ + + return (priv_netinet_ipsec_policy_bypass_setup_af(asroot, injail, test, + AF_INET)); +} + +#ifdef INET6 +int +priv_netinet_ipsec_policy6_bypass_setup(int asroot, int injail, + struct test *test) +{ + + return (priv_netinet_ipsec_policy_bypass_setup_af(asroot, injail, test, + AF_INET6)); +} +#endif + + +static int +priv_netinet_ipsec_policy_entrust_setup_af(int asroot, int injail, + struct test *test, int af) +{ + + entrustbuf = ipsec_set_policy(policy_entrust, sizeof(policy_entrust)-1); + if (entrustbuf == NULL) { + warn("%s: ipsec_set_policy(NULL)", __func__); + return (-1); + } + switch (af) { + case AF_INET: + sd = socket(AF_INET, SOCK_DGRAM, 0); + if (sd < 0) { + warn("%s: socket4", __func__); + return (-1); + } + break; +#ifdef INET6 + case AF_INET6: + sd = socket(AF_INET6, SOCK_DGRAM, 0); + if (sd < 0) { + warn("%s: socket6", __func__); + return (-1); + } + break; +#endif + default: + warnx("%s: unexpected address family", __func__); + return (-1); + } + return (0); +} + +int +priv_netinet_ipsec_policy4_entrust_setup(int asroot, int injail, + struct test *test) +{ + + return (priv_netinet_ipsec_policy_entrust_setup_af(asroot, injail, test, + AF_INET)); +} + +#ifdef INET6 +int +priv_netinet_ipsec_policy6_entrust_setup(int asroot, int injail, + struct test *test) +{ + + return (priv_netinet_ipsec_policy_entrust_setup_af(asroot, injail, test, + AF_INET6)); +} +#endif + +void +priv_netinet_ipsec_pfkey(int asroot, int injail, struct test *test) +{ + int error, fd; + + fd = socket(PF_KEY, SOCK_RAW, PF_KEY_V2); + if (fd < 0) + error = -1; + else + error = 0; + /* + * The injail checks are not really priv checks but making sure + * sys/kern/uipc_socket.c:socreate cred checks are working correctly. + */ + if (asroot && injail) + expect("priv_netinet_ipsec_pfkey(asroot, injail)", error, + -1, EPROTONOSUPPORT); + if (asroot && !injail) + expect("priv_netinet_ipsec_pfkey(asroot, !injail)", error, + 0, 0); + if (!asroot && injail) + expect("priv_netinet_ipsec_pfkey(!asroot, injail)", error, + -1, EPROTONOSUPPORT); + if (!asroot && !injail) + expect("priv_netinet_ipsec_pfkey(!asroot, !injail)", error, + -1, EPERM); + if (fd >= 0) + (void)close(fd); +} + + +static void +priv_netinet_ipsec_policy_bypass_af(int asroot, int injail, struct test *test, + int af) +{ + int error, level, optname; + + switch (af) { + case AF_INET: + level = IPPROTO_IP; + optname = IP_IPSEC_POLICY; + break; +#ifdef INET6 + case AF_INET6: + level = IPPROTO_IPV6; + optname = IPV6_IPSEC_POLICY; + break; +#endif + default: + warnx("%s: unexpected address family", __func__); + return; + } + error = setsockopt(sd, level, optname, + bypassbuf, ipsec_get_policylen(bypassbuf)); + if (asroot && injail) + expect("priv_netinet_ipsec_policy_bypass(asroot, injail)", + error, -1, EACCES); /* see ipsec_set_policy */ + if (asroot && !injail) + expect("priv_netinet_ipsec_policy_bypass(asroot, !injail)", + error, 0, 0); + if (!asroot && injail) + expect("priv_netinet_ipsec_policy_bypass(!asroot, injail)", + error, -1, EACCES); /* see ipsec_set_policy */ + if (!asroot && !injail) + expect("priv_netinet_ipsec_policy_bypass(!asroot, !injail)", + error, -1, EACCES); /* see ipsec_set_policy */ +} + +void +priv_netinet_ipsec_policy4_bypass(int asroot, int injail, struct test *test) +{ + + priv_netinet_ipsec_policy_bypass_af(asroot, injail, test, AF_INET); +} + +#ifdef INET6 +void +priv_netinet_ipsec_policy6_bypass(int asroot, int injail, struct test *test) +{ + + priv_netinet_ipsec_policy_bypass_af(asroot, injail, test, AF_INET6); +} +#endif + +static void +priv_netinet_ipsec_policy_entrust_af(int asroot, int injail, struct test *test, + int af) +{ + int error, level, optname; + + switch (af) { + case AF_INET: + level = IPPROTO_IP; + optname = IP_IPSEC_POLICY; + break; +#ifdef INET6 + case AF_INET6: + level = IPPROTO_IPV6; + optname = IPV6_IPSEC_POLICY; + break; +#endif + default: + warnx("%s: unexpected address family", __func__); + return; + } + error = setsockopt(sd, level, optname, + entrustbuf, ipsec_get_policylen(entrustbuf)); + if (asroot && injail) + expect("priv_netinet_ipsec_policy_entrust(asroot, injail)", + error, 0, 0); /* XXX ipsec_set_policy */ + if (asroot && !injail) + expect("priv_netinet_ipsec_policy_entrust(asroot, !injail)", + error, 0, 0); + if (!asroot && injail) + expect("priv_netinet_ipsec_policy_entrust(!asroot, injail)", + error, 0, 0); /* XXX ipsec_set_policy */ + if (!asroot && !injail) + expect("priv_netinet_ipsec_policy_entrust(!asroot, !injail)", + error, 0, 0); /* XXX ipsec_set_policy */ +} + +void +priv_netinet_ipsec_policy4_entrust(int asroot, int injail, struct test *test) +{ + + priv_netinet_ipsec_policy_entrust_af(asroot, injail, test, AF_INET); +} + +#ifdef INET6 +void +priv_netinet_ipsec_policy6_entrust(int asroot, int injail, struct test *test) +{ + + priv_netinet_ipsec_policy_entrust_af(asroot, injail, test, AF_INET6); +} +#endif + +void +priv_netinet_ipsec_policy_bypass_cleanup(int asroot, int injail, + struct test *test) +{ + + if (bypassbuf != NULL) { + free(bypassbuf); + bypassbuf = NULL; + } + if (sd >= 0) { + close(sd); + sd = -1; + } +} + +void +priv_netinet_ipsec_policy_entrust_cleanup(int asroot, int injail, + struct test *test) +{ + + if (entrustbuf != NULL) { + free(entrustbuf); + entrustbuf = NULL; + } + if (sd >= 0) { + close(sd); + sd = -1; + } +} + |