1*ed5d5720SPeter Avalos /*- 2*ed5d5720SPeter Avalos * Copyright (C) 2005 The FreeBSD Project. All rights reserved. 3*ed5d5720SPeter Avalos * 4*ed5d5720SPeter Avalos * Redistribution and use in source and binary forms, with or without 5*ed5d5720SPeter Avalos * modification, are permitted provided that the following conditions 6*ed5d5720SPeter Avalos * are met: 7*ed5d5720SPeter Avalos * 1. Redistributions of source code must retain the above copyright 8*ed5d5720SPeter Avalos * notice, this list of conditions and the following disclaimer. 9*ed5d5720SPeter Avalos * 2. Redistributions in binary form must reproduce the above copyright 10*ed5d5720SPeter Avalos * notice, this list of conditions and the following disclaimer in the 11*ed5d5720SPeter Avalos * documentation and/or other materials provided with the distribution. 12*ed5d5720SPeter Avalos * 13*ed5d5720SPeter Avalos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14*ed5d5720SPeter Avalos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15*ed5d5720SPeter Avalos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16*ed5d5720SPeter Avalos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 17*ed5d5720SPeter Avalos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18*ed5d5720SPeter Avalos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19*ed5d5720SPeter Avalos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20*ed5d5720SPeter Avalos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21*ed5d5720SPeter Avalos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22*ed5d5720SPeter Avalos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23*ed5d5720SPeter Avalos * SUCH DAMAGE. 24*ed5d5720SPeter Avalos * 25*ed5d5720SPeter Avalos * $FreeBSD: src/lib/libc/net/netdb_private.h,v 1.13 2006/05/12 15:37:23 ume Exp $ 26*ed5d5720SPeter Avalos */ 27*ed5d5720SPeter Avalos 28*ed5d5720SPeter Avalos #ifndef _NETDB_PRIVATE_H_ 29*ed5d5720SPeter Avalos #define _NETDB_PRIVATE_H_ 30*ed5d5720SPeter Avalos 31*ed5d5720SPeter Avalos #include <stdio.h> /* XXX: for FILE */ 32*ed5d5720SPeter Avalos 33*ed5d5720SPeter Avalos #define NETDB_THREAD_ALLOC(name) \ 34*ed5d5720SPeter Avalos static struct name name; \ 35*ed5d5720SPeter Avalos static thread_key_t name##_key; \ 36*ed5d5720SPeter Avalos static once_t name##_init_once = ONCE_INITIALIZER; \ 37*ed5d5720SPeter Avalos static int name##_thr_keycreated = 0; \ 38*ed5d5720SPeter Avalos \ 39*ed5d5720SPeter Avalos static void name##_free(void *); \ 40*ed5d5720SPeter Avalos \ 41*ed5d5720SPeter Avalos static void \ 42*ed5d5720SPeter Avalos name##_keycreate(void) \ 43*ed5d5720SPeter Avalos { \ 44*ed5d5720SPeter Avalos name##_thr_keycreated = \ 45*ed5d5720SPeter Avalos (thr_keycreate(&name##_key, name##_free) == 0); \ 46*ed5d5720SPeter Avalos } \ 47*ed5d5720SPeter Avalos \ 48*ed5d5720SPeter Avalos struct name * \ 49*ed5d5720SPeter Avalos __##name##_init(void) \ 50*ed5d5720SPeter Avalos { \ 51*ed5d5720SPeter Avalos struct name *he; \ 52*ed5d5720SPeter Avalos \ 53*ed5d5720SPeter Avalos if (thr_main() != 0) \ 54*ed5d5720SPeter Avalos return (&name); \ 55*ed5d5720SPeter Avalos if (thr_once(&name##_init_once, name##_keycreate) != 0 || \ 56*ed5d5720SPeter Avalos !name##_thr_keycreated) \ 57*ed5d5720SPeter Avalos return (NULL); \ 58*ed5d5720SPeter Avalos if ((he = thr_getspecific(name##_key)) != NULL) \ 59*ed5d5720SPeter Avalos return (he); \ 60*ed5d5720SPeter Avalos if ((he = calloc(1, sizeof(*he))) == NULL) \ 61*ed5d5720SPeter Avalos return (NULL); \ 62*ed5d5720SPeter Avalos if (thr_setspecific(name##_key, he) == 0) \ 63*ed5d5720SPeter Avalos return (he); \ 64*ed5d5720SPeter Avalos free(he); \ 65*ed5d5720SPeter Avalos return (NULL); \ 66*ed5d5720SPeter Avalos } 67*ed5d5720SPeter Avalos 68*ed5d5720SPeter Avalos #define _MAXALIASES 35 69*ed5d5720SPeter Avalos #define _MAXLINELEN 1024 70*ed5d5720SPeter Avalos #define _MAXADDRS 35 71*ed5d5720SPeter Avalos #define _HOSTBUFSIZE (8 * 1024) 72*ed5d5720SPeter Avalos #define _NETBUFSIZE 1025 73*ed5d5720SPeter Avalos 74*ed5d5720SPeter Avalos struct hostent_data { 75*ed5d5720SPeter Avalos uint32_t host_addr[4]; /* IPv4 or IPv6 */ 76*ed5d5720SPeter Avalos char *h_addr_ptrs[_MAXADDRS + 1]; 77*ed5d5720SPeter Avalos char *host_aliases[_MAXALIASES]; 78*ed5d5720SPeter Avalos char hostbuf[_HOSTBUFSIZE]; 79*ed5d5720SPeter Avalos FILE *hostf; 80*ed5d5720SPeter Avalos int stayopen; 81*ed5d5720SPeter Avalos #ifdef YP 82*ed5d5720SPeter Avalos char *yp_domain; 83*ed5d5720SPeter Avalos #endif 84*ed5d5720SPeter Avalos }; 85*ed5d5720SPeter Avalos 86*ed5d5720SPeter Avalos struct netent_data { 87*ed5d5720SPeter Avalos char *net_aliases[_MAXALIASES]; 88*ed5d5720SPeter Avalos char netbuf[_NETBUFSIZE]; 89*ed5d5720SPeter Avalos FILE *netf; 90*ed5d5720SPeter Avalos int stayopen; 91*ed5d5720SPeter Avalos #ifdef YP 92*ed5d5720SPeter Avalos char *yp_domain; 93*ed5d5720SPeter Avalos #endif 94*ed5d5720SPeter Avalos }; 95*ed5d5720SPeter Avalos 96*ed5d5720SPeter Avalos struct protoent_data { 97*ed5d5720SPeter Avalos FILE *fp; 98*ed5d5720SPeter Avalos char *aliases[_MAXALIASES]; 99*ed5d5720SPeter Avalos int stayopen; 100*ed5d5720SPeter Avalos char line[_MAXLINELEN + 1]; 101*ed5d5720SPeter Avalos }; 102*ed5d5720SPeter Avalos 103*ed5d5720SPeter Avalos struct hostdata { 104*ed5d5720SPeter Avalos struct hostent host; 105*ed5d5720SPeter Avalos char data[sizeof(struct hostent_data)]; 106*ed5d5720SPeter Avalos }; 107*ed5d5720SPeter Avalos 108*ed5d5720SPeter Avalos struct netdata { 109*ed5d5720SPeter Avalos struct netent net; 110*ed5d5720SPeter Avalos char data[sizeof(struct netent_data)]; 111*ed5d5720SPeter Avalos }; 112*ed5d5720SPeter Avalos 113*ed5d5720SPeter Avalos struct protodata { 114*ed5d5720SPeter Avalos struct protoent proto; 115*ed5d5720SPeter Avalos char data[sizeof(struct protoent_data)]; 116*ed5d5720SPeter Avalos }; 117*ed5d5720SPeter Avalos 118*ed5d5720SPeter Avalos struct hostdata *__hostdata_init(void); 119*ed5d5720SPeter Avalos struct hostent *__hostent_init(void); 120*ed5d5720SPeter Avalos struct hostent_data *__hostent_data_init(void); 121*ed5d5720SPeter Avalos struct netdata *__netdata_init(void); 122*ed5d5720SPeter Avalos struct netent_data *__netent_data_init(void); 123*ed5d5720SPeter Avalos struct protodata *__protodata_init(void); 124*ed5d5720SPeter Avalos struct protoent_data *__protoent_data_init(void); 125*ed5d5720SPeter Avalos int __copy_hostent(struct hostent *, struct hostent *, char *, size_t); 126*ed5d5720SPeter Avalos int __copy_netent(struct netent *, struct netent *, char *, size_t); 127*ed5d5720SPeter Avalos int __copy_protoent(struct protoent *, struct protoent *, char *, size_t); 128*ed5d5720SPeter Avalos 129*ed5d5720SPeter Avalos void __endprotoent_p(struct protoent_data *); 130*ed5d5720SPeter Avalos int __getprotoent_p(struct protoent *, struct protoent_data *); 131*ed5d5720SPeter Avalos void __setprotoent_p(int, struct protoent_data *); 132*ed5d5720SPeter Avalos void _endhostdnsent(void); 133*ed5d5720SPeter Avalos void _endhosthtent(void); 134*ed5d5720SPeter Avalos void _endnetdnsent(void); 135*ed5d5720SPeter Avalos void _endnethtent(void); 136*ed5d5720SPeter Avalos struct hostent *_gethostbynisaddr(const char *, int, int); 137*ed5d5720SPeter Avalos struct hostent *_gethostbynisname(const char *, int); 138*ed5d5720SPeter Avalos void _map_v4v6_address(const char *, char *); 139*ed5d5720SPeter Avalos void _map_v4v6_hostent(struct hostent *, char **, int *); 140*ed5d5720SPeter Avalos void _sethostdnsent(int); 141*ed5d5720SPeter Avalos void _sethosthtent(int); 142*ed5d5720SPeter Avalos void _setnetdnsent(int); 143*ed5d5720SPeter Avalos void _setnethtent(int); 144*ed5d5720SPeter Avalos 145*ed5d5720SPeter Avalos #endif /* _NETDB_PRIVATE_H_ */ 146