1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Copyright 1997-2002 Sun Microsystems, Inc. All rights reserved. 3*0Sstevel@tonic-gate * Use is subject to license terms. 4*0Sstevel@tonic-gate */ 5*0Sstevel@tonic-gate 6*0Sstevel@tonic-gate /* 7*0Sstevel@tonic-gate * Copyright (c) 1996,1999 by Internet Software Consortium. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * Permission to use, copy, modify, and distribute this software for any 10*0Sstevel@tonic-gate * purpose with or without fee is hereby granted, provided that the above 11*0Sstevel@tonic-gate * copyright notice and this permission notice appear in all copies. 12*0Sstevel@tonic-gate * 13*0Sstevel@tonic-gate * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS 14*0Sstevel@tonic-gate * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES 15*0Sstevel@tonic-gate * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE 16*0Sstevel@tonic-gate * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 17*0Sstevel@tonic-gate * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 18*0Sstevel@tonic-gate * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 19*0Sstevel@tonic-gate * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 20*0Sstevel@tonic-gate * SOFTWARE. 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate 23*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate #if !defined(LINT) && !defined(CODECENTER) 26*0Sstevel@tonic-gate static const char rcsid[] = "$Id: getprotoent.c,v 1.16 2001/11/01 07:34:33 marka Exp $"; 27*0Sstevel@tonic-gate #endif 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* Imports */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #include "port_before.h" 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #if !defined(__BIND_NOSTATIC) 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #include <sys/types.h> 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <netinet/in.h> 38*0Sstevel@tonic-gate #include <arpa/nameser.h> 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #include <errno.h> 41*0Sstevel@tonic-gate #include <resolv.h> 42*0Sstevel@tonic-gate #include <stdio.h> 43*0Sstevel@tonic-gate #include <string.h> 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate #include <irs.h> 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate #include "port_after.h" 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate #include "irs_data.h" 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate /* Forward */ 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate static struct net_data *init(void); 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate /* Public */ 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate struct protoent * 58*0Sstevel@tonic-gate getprotoent() { 59*0Sstevel@tonic-gate struct net_data *net_data = init(); 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate return (getprotoent_p(net_data)); 62*0Sstevel@tonic-gate } 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate struct protoent * 65*0Sstevel@tonic-gate getprotobyname(const char *name) { 66*0Sstevel@tonic-gate struct net_data *net_data = init(); 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate return (getprotobyname_p(name, net_data)); 69*0Sstevel@tonic-gate } 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate struct protoent * 72*0Sstevel@tonic-gate getprotobynumber(int proto) { 73*0Sstevel@tonic-gate struct net_data *net_data = init(); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate return (getprotobynumber_p(proto, net_data)); 76*0Sstevel@tonic-gate } 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate #ifdef ORIGINAL_ISC_CODE 79*0Sstevel@tonic-gate void 80*0Sstevel@tonic-gate #else 81*0Sstevel@tonic-gate int 82*0Sstevel@tonic-gate #endif 83*0Sstevel@tonic-gate setprotoent(int stayopen) { 84*0Sstevel@tonic-gate struct net_data *net_data = init(); 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate setprotoent_p(stayopen, net_data); 87*0Sstevel@tonic-gate #ifdef ORIGINAL_ISC_CODE 88*0Sstevel@tonic-gate #else 89*0Sstevel@tonic-gate return (0); 90*0Sstevel@tonic-gate #endif 91*0Sstevel@tonic-gate } 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate #ifdef ORIGINAL_ISC_CODE 94*0Sstevel@tonic-gate void 95*0Sstevel@tonic-gate #else 96*0Sstevel@tonic-gate int 97*0Sstevel@tonic-gate #endif 98*0Sstevel@tonic-gate endprotoent() { 99*0Sstevel@tonic-gate struct net_data *net_data = init(); 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate endprotoent_p(net_data); 102*0Sstevel@tonic-gate #ifdef ORIGINAL_ISC_CODE 103*0Sstevel@tonic-gate #else 104*0Sstevel@tonic-gate return (0); 105*0Sstevel@tonic-gate #endif 106*0Sstevel@tonic-gate } 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate /* Shared private. */ 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate struct protoent * 111*0Sstevel@tonic-gate getprotoent_p(struct net_data *net_data) { 112*0Sstevel@tonic-gate struct irs_pr *pr; 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate if (!net_data || !(pr = net_data->pr)) 115*0Sstevel@tonic-gate return (NULL); 116*0Sstevel@tonic-gate net_data->pr_last = (*pr->next)(pr); 117*0Sstevel@tonic-gate return (net_data->pr_last); 118*0Sstevel@tonic-gate } 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate struct protoent * 121*0Sstevel@tonic-gate getprotobyname_p(const char *name, struct net_data *net_data) { 122*0Sstevel@tonic-gate struct irs_pr *pr; 123*0Sstevel@tonic-gate char **pap; 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate if (!net_data || !(pr = net_data->pr)) 126*0Sstevel@tonic-gate return (NULL); 127*0Sstevel@tonic-gate if (net_data->pr_stayopen && net_data->pr_last) { 128*0Sstevel@tonic-gate if (!strcmp(net_data->pr_last->p_name, name)) 129*0Sstevel@tonic-gate return (net_data->pr_last); 130*0Sstevel@tonic-gate for (pap = net_data->pr_last->p_aliases; pap && *pap; pap++) 131*0Sstevel@tonic-gate if (!strcmp(name, *pap)) 132*0Sstevel@tonic-gate return (net_data->pr_last); 133*0Sstevel@tonic-gate } 134*0Sstevel@tonic-gate net_data->pr_last = (*pr->byname)(pr, name); 135*0Sstevel@tonic-gate if (!net_data->pr_stayopen) 136*0Sstevel@tonic-gate endprotoent(); 137*0Sstevel@tonic-gate return (net_data->pr_last); 138*0Sstevel@tonic-gate } 139*0Sstevel@tonic-gate 140*0Sstevel@tonic-gate struct protoent * 141*0Sstevel@tonic-gate getprotobynumber_p(int proto, struct net_data *net_data) { 142*0Sstevel@tonic-gate struct irs_pr *pr; 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate if (!net_data || !(pr = net_data->pr)) 145*0Sstevel@tonic-gate return (NULL); 146*0Sstevel@tonic-gate if (net_data->pr_stayopen && net_data->pr_last) 147*0Sstevel@tonic-gate if (net_data->pr_last->p_proto == proto) 148*0Sstevel@tonic-gate return (net_data->pr_last); 149*0Sstevel@tonic-gate net_data->pr_last = (*pr->bynumber)(pr, proto); 150*0Sstevel@tonic-gate if (!net_data->pr_stayopen) 151*0Sstevel@tonic-gate endprotoent(); 152*0Sstevel@tonic-gate return (net_data->pr_last); 153*0Sstevel@tonic-gate } 154*0Sstevel@tonic-gate 155*0Sstevel@tonic-gate void 156*0Sstevel@tonic-gate setprotoent_p(int stayopen, struct net_data *net_data) { 157*0Sstevel@tonic-gate struct irs_pr *pr; 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate if (!net_data || !(pr = net_data->pr)) 160*0Sstevel@tonic-gate return; 161*0Sstevel@tonic-gate (*pr->rewind)(pr); 162*0Sstevel@tonic-gate net_data->pr_stayopen = (stayopen != 0); 163*0Sstevel@tonic-gate if (stayopen == 0) 164*0Sstevel@tonic-gate net_data_minimize(net_data); 165*0Sstevel@tonic-gate } 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate void 168*0Sstevel@tonic-gate endprotoent_p(struct net_data *net_data) { 169*0Sstevel@tonic-gate struct irs_pr *pr; 170*0Sstevel@tonic-gate 171*0Sstevel@tonic-gate if ((net_data != NULL) && ((pr = net_data->pr) != NULL)) 172*0Sstevel@tonic-gate (*pr->minimize)(pr); 173*0Sstevel@tonic-gate } 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate /* Private */ 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate static struct net_data * 178*0Sstevel@tonic-gate init() { 179*0Sstevel@tonic-gate struct net_data *net_data; 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate if (!(net_data = net_data_init(NULL))) 182*0Sstevel@tonic-gate goto error; 183*0Sstevel@tonic-gate if (!net_data->pr) { 184*0Sstevel@tonic-gate net_data->pr = (*net_data->irs->pr_map)(net_data->irs); 185*0Sstevel@tonic-gate 186*0Sstevel@tonic-gate if (!net_data->pr || !net_data->res) { 187*0Sstevel@tonic-gate error: 188*0Sstevel@tonic-gate errno = EIO; 189*0Sstevel@tonic-gate return (NULL); 190*0Sstevel@tonic-gate } 191*0Sstevel@tonic-gate (*net_data->pr->res_set)(net_data->pr, net_data->res, NULL); 192*0Sstevel@tonic-gate } 193*0Sstevel@tonic-gate 194*0Sstevel@tonic-gate return (net_data); 195*0Sstevel@tonic-gate } 196*0Sstevel@tonic-gate 197*0Sstevel@tonic-gate #endif /*__BIND_NOSTATIC*/ 198