[thirdparty/systemd.git] / src / shared / nss-util.h

/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

#pragma once

/***
  This file is part of systemd.

  Copyright 2014 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <nss.h>
#include <netdb.h>

#define NSS_GETHOSTBYNAME_PROTOTYPES(module)            \
enum nss_status _nss_##module##_gethostbyname4_r(       \
                const char *name,                       \
                struct gaih_addrtuple **pat,            \
                char *buffer, size_t buflen,            \
                int *errnop, int *h_errnop,             \
                int32_t *ttlp) _public_;                \
enum nss_status _nss_##module##_gethostbyname3_r(       \
                const char *name,                       \
                int af,                                 \
                struct hostent *host,                   \
                char *buffer, size_t buflen,            \
                int *errnop, int *h_errnop,             \
                int32_t *ttlp,                          \
                char **canonp) _public_;                \
enum nss_status _nss_##module##_gethostbyname2_r(       \
                const char *name,                       \
                int af,                                 \
                struct hostent *host,                   \
                char *buffer, size_t buflen,            \
                int *errnop, int *h_errnop) _public_;   \
enum nss_status _nss_##module##_gethostbyname_r(        \
                const char *name,                       \
                struct hostent *host,                   \
                char *buffer, size_t buflen,            \
                int *errnop, int *h_errnop) _public_

#define NSS_GETHOSTBYADDR_PROTOTYPES(module)            \
enum nss_status _nss_##module##_gethostbyaddr2_r(       \
                const void* addr, socklen_t len,        \
                int af,                                 \
                struct hostent *host,                   \
                char *buffer, size_t buflen,            \
                int *errnop, int *h_errnop,             \
                int32_t *ttlp) _public_;                \
enum nss_status _nss_##module##_gethostbyaddr_r(        \
                const void* addr, socklen_t len,        \
                int af,                                 \
                struct hostent *host,                   \
                char *buffer, size_t buflen,            \
                int *errnop, int *h_errnop) _public_

#define NSS_GETHOSTBYNAME_FALLBACKS(module)             \
enum nss_status _nss_##module##_gethostbyname2_r(       \
                const char *name,                       \
                int af,                                 \
                struct hostent *host,                   \
                char *buffer, size_t buflen,            \
                int *errnop, int *h_errnop) {           \
        return _nss_##module##_gethostbyname3_r(        \
                        name,                           \
                        af,                             \
                        host,                           \
                        buffer, buflen,                 \
                        errnop, h_errnop,               \
                        NULL,                           \
                        NULL);                          \
}                                                       \
enum nss_status _nss_##module##_gethostbyname_r(        \
                const char *name,                       \
                struct hostent *host,                   \
                char *buffer, size_t buflen,            \
                int *errnop, int *h_errnop) {           \
        return _nss_##module##_gethostbyname3_r(        \
                        name,                           \
                        AF_UNSPEC,                      \
                        host,                           \
                        buffer, buflen,                 \
                        errnop, h_errnop,               \
                        NULL,                           \
                        NULL);                          \
}

#define NSS_GETHOSTBYADDR_FALLBACKS(module)             \
enum nss_status _nss_##module##_gethostbyaddr_r(        \
                const void* addr, socklen_t len,        \
                int af,                                 \
                struct hostent *host,                   \
                char *buffer, size_t buflen,            \
                int *errnop, int *h_errnop) {           \
        return _nss_##module##_gethostbyaddr2_r(        \
                        addr, len,                      \
                        af,                             \
                        host,                           \
                        buffer, buflen,                 \
                        errnop, h_errnop,               \
                        NULL);                          \
}
Commit	Line	Data
c9fdc26e LP	1	/-- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil --/
	2
	3	#pragma once
	4
	5	/***
	6	This file is part of systemd.
	7
	8	Copyright 2014 Lennart Poettering
	9
	10	systemd is free software; you can redistribute it and/or modify it
	11	under the terms of the GNU Lesser General Public License as published by
	12	the Free Software Foundation; either version 2.1 of the License, or
	13	(at your option) any later version.
	14
	15	systemd is distributed in the hope that it will be useful, but
	16	WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	18	Lesser General Public License for more details.
	19
	20	You should have received a copy of the GNU Lesser General Public License
	21	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	22	***/
	23
	24	#include <nss.h>
	25	#include <netdb.h>
	26
	27	#define NSS_GETHOSTBYNAME_PROTOTYPES(module) \
	28	enum nss_status _nss_##module##_gethostbyname4_r( \
	29	const char *name, \
	30	struct gaih_addrtuple **pat, \
	31	char *buffer, size_t buflen, \
	32	int errnop, int h_errnop, \
	33	int32_t *ttlp) _public_; \
	34	enum nss_status _nss_##module##_gethostbyname3_r( \
	35	const char *name, \
	36	int af, \
	37	struct hostent *host, \
	38	char *buffer, size_t buflen, \
	39	int errnop, int h_errnop, \
	40	int32_t *ttlp, \
	41	char **canonp) _public_; \
	42	enum nss_status _nss_##module##_gethostbyname2_r( \
	43	const char *name, \
	44	int af, \
	45	struct hostent *host, \
	46	char *buffer, size_t buflen, \
	47	int errnop, int h_errnop) _public_; \
	48	enum nss_status _nss_##module##_gethostbyname_r( \
	49	const char *name, \
	50	struct hostent *host, \
	51	char *buffer, size_t buflen, \
	52	int errnop, int h_errnop) _public_
	53
	54	#define NSS_GETHOSTBYADDR_PROTOTYPES(module) \
	55	enum nss_status _nss_##module##_gethostbyaddr2_r( \
	56	const void* addr, socklen_t len, \
	57	int af, \
	58	struct hostent *host, \
	59	char *buffer, size_t buflen, \
	60	int errnop, int h_errnop, \
	61	int32_t *ttlp) _public_; \
	62	enum nss_status _nss_##module##_gethostbyaddr_r( \
	63	const void* addr, socklen_t len, \
	64	int af, \
65	struct hostent *host, \
66	char *buffer, size_t buflen, \
67	int errnop, int h_errnop) _public_
68
69	#define NSS_GETHOSTBYNAME_FALLBACKS(module) \
70	enum nss_status _nss_##module##_gethostbyname2_r( \
71	const char *name, \
72	int af, \
73	struct hostent *host, \
74	char *buffer, size_t buflen, \
75	int errnop, int h_errnop) { \
76	return _nss_##module##_gethostbyname3_r( \
77	name, \
78	af, \
79	host, \
80	buffer, buflen, \
81	errnop, h_errnop, \
82	NULL, \
83	NULL); \
84	} \
85	enum nss_status _nss_##module##_gethostbyname_r( \
86	const char *name, \
87	struct hostent *host, \
88	char *buffer, size_t buflen, \
89	int errnop, int h_errnop) { \
90	return _nss_##module##_gethostbyname3_r( \
91	name, \
92	AF_UNSPEC, \
93	host, \
94	buffer, buflen, \
95	errnop, h_errnop, \
96	NULL, \
97	NULL); \
98	}
99
100	#define NSS_GETHOSTBYADDR_FALLBACKS(module) \
101	enum nss_status _nss_##module##_gethostbyaddr_r( \
102	const void* addr, socklen_t len, \
103	int af, \
104	struct hostent *host, \
105	char *buffer, size_t buflen, \
106	int errnop, int h_errnop) { \
107	return _nss_##module##_gethostbyaddr2_r( \
108	addr, len, \
109	af, \
110	host, \
111	buffer, buflen, \
112	errnop, h_errnop, \
113	NULL); \
114	}