diff options
Diffstat (limited to 'lib/libcasper/services/cap_net/cap_net.h')
| -rw-r--r-- | lib/libcasper/services/cap_net/cap_net.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/lib/libcasper/services/cap_net/cap_net.h b/lib/libcasper/services/cap_net/cap_net.h new file mode 100644 index 000000000000..75f936954199 --- /dev/null +++ b/lib/libcasper/services/cap_net/cap_net.h @@ -0,0 +1,159 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2020 Mariusz Zaborski <oshogbo@FreeBSD.org> + * + * 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 AUTHORS 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 AUTHORS 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. + */ + +#ifndef _CAP_NETWORK_H_ +#define _CAP_NETWORK_H_ + +#ifdef HAVE_CASPER +#define WITH_CASPER +#endif + +#include <sys/dnv.h> +#include <sys/nv.h> + +#include <sys/socket.h> + +struct addrinfo; +struct hostent; + +struct cap_net_limit; +typedef struct cap_net_limit cap_net_limit_t; + +#define CAPNET_ADDR2NAME (0x01) +#define CAPNET_NAME2ADDR (0x02) +#define CAPNET_DEPRECATED_ADDR2NAME (0x04) +#define CAPNET_DEPRECATED_NAME2ADDR (0x08) +#define CAPNET_CONNECT (0x10) +#define CAPNET_BIND (0x20) +#define CAPNET_CONNECTDNS (0x40) + +#ifdef WITH_CASPER +/* Capability functions. */ +int cap_bind(cap_channel_t *chan, int s, const struct sockaddr *addr, + socklen_t addrlen); +int cap_connect(cap_channel_t *chan, int s, const struct sockaddr *name, + socklen_t namelen); + +int cap_getaddrinfo(cap_channel_t *chan, const char *hostname, + const char *servname, const struct addrinfo *hints, struct addrinfo **res); +int cap_getnameinfo(cap_channel_t *chan, const struct sockaddr *sa, + socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen, + int flags); + +/* Limit functions. */ +cap_net_limit_t *cap_net_limit_init(cap_channel_t *chan, uint64_t mode); +int cap_net_limit(cap_net_limit_t *limit); +void cap_net_free(cap_net_limit_t *limit); + +cap_net_limit_t *cap_net_limit_addr2name_family(cap_net_limit_t *limit, + int *family, size_t size); +cap_net_limit_t *cap_net_limit_addr2name(cap_net_limit_t *limit, + const struct sockaddr *sa, socklen_t salen); + +cap_net_limit_t *cap_net_limit_name2addr_family(cap_net_limit_t *limit, + int *family, size_t size); +cap_net_limit_t *cap_net_limit_name2addr(cap_net_limit_t *limit, + const char *name, const char *serv); + +cap_net_limit_t *cap_net_limit_connect(cap_net_limit_t *limit, + const struct sockaddr *sa, socklen_t salen); + +cap_net_limit_t *cap_net_limit_bind(cap_net_limit_t *limit, + const struct sockaddr *sa, socklen_t salen); + +/* Deprecated functions. */ +struct hostent *cap_gethostbyname(cap_channel_t *chan, const char *name); +struct hostent *cap_gethostbyname2(cap_channel_t *chan, const char *name, + int af); +struct hostent *cap_gethostbyaddr(cap_channel_t *chan, const void *addr, + socklen_t len, int af); +#else +/* Capability functions. */ +#define cap_bind(chan, ...) bind(__VA_ARGS__) +#define cap_connect(chan, ...) connect(__VA_ARGS__) +#define cap_getaddrinfo(chan, ...) getaddrinfo(__VA_ARGS__) +#define cap_getnameinfo(chan, ...) getnameinfo(__VA_ARGS__) + +/* Limit functions. */ +#define cap_net_limit_init(chan, ...) ((cap_net_limit_t *)malloc(8)) +#define cap_net_free(...) free(__VA_ARGS__) +static inline int +cap_net_limit(cap_net_limit_t *limit) +{ + free(limit); + return (0); +} + +static inline cap_net_limit_t * +cap_net_limit_addr2name_family(cap_net_limit_t *limit, + int *family __unused, size_t size __unused) +{ + return (limit); +} + +static inline cap_net_limit_t * +cap_net_limit_addr2name(cap_net_limit_t *limit, + const struct sockaddr *sa __unused, socklen_t salen __unused) +{ + return (limit); +} + +static inline cap_net_limit_t * +cap_net_limit_name2addr_family(cap_net_limit_t *limit, + int *family __unused, size_t size __unused) +{ + return (limit); +} + +static inline cap_net_limit_t * +cap_net_limit_name2addr(cap_net_limit_t *limit, + const char *name __unused, const char *serv __unused) +{ + return (limit); +} + +static inline cap_net_limit_t * +cap_net_limit_connect(cap_net_limit_t *limit, + const struct sockaddr *sa __unused, socklen_t salen __unused) +{ + return (limit); +} + +static inline cap_net_limit_t * +cap_net_limit_bind(cap_net_limit_t *limit, + const struct sockaddr *sa __unused, socklen_t salen __unused) +{ + return (limit); +} + +/* Deprecated functions. */ +#define cap_gethostbyname(chan, ...) gethostbyname(__VA_ARGS__) +#define cap_gethostbyname2(chan, ...) gethostbyname2(__VA_ARGS__) +#define cap_gethostbyaddr(chan, ...) gethostbyaddr(__VA_ARGS__) +#endif + +#endif /* !_CAP_NETWORK_H_ */ |