10Sstevel@tonic-gate /* 2*11038SRao.Shoaib@Sun.COM * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") 30Sstevel@tonic-gate * Copyright (c) 1996,1999 by Internet Software Consortium. 40Sstevel@tonic-gate * 50Sstevel@tonic-gate * Permission to use, copy, modify, and distribute this software for any 60Sstevel@tonic-gate * purpose with or without fee is hereby granted, provided that the above 70Sstevel@tonic-gate * copyright notice and this permission notice appear in all copies. 80Sstevel@tonic-gate * 9*11038SRao.Shoaib@Sun.COM * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 10*11038SRao.Shoaib@Sun.COM * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11*11038SRao.Shoaib@Sun.COM * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 12*11038SRao.Shoaib@Sun.COM * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13*11038SRao.Shoaib@Sun.COM * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14*11038SRao.Shoaib@Sun.COM * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 15*11038SRao.Shoaib@Sun.COM * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 160Sstevel@tonic-gate */ 170Sstevel@tonic-gate 180Sstevel@tonic-gate #if !defined(LINT) && !defined(CODECENTER) 19*11038SRao.Shoaib@Sun.COM static const char rcsid[] = "$Id: getprotoent.c,v 1.4 2005/04/27 04:56:26 sra Exp $"; 200Sstevel@tonic-gate #endif 210Sstevel@tonic-gate 220Sstevel@tonic-gate /* Imports */ 230Sstevel@tonic-gate 240Sstevel@tonic-gate #include "port_before.h" 250Sstevel@tonic-gate 260Sstevel@tonic-gate #if !defined(__BIND_NOSTATIC) 270Sstevel@tonic-gate 280Sstevel@tonic-gate #include <sys/types.h> 290Sstevel@tonic-gate 300Sstevel@tonic-gate #include <netinet/in.h> 310Sstevel@tonic-gate #include <arpa/nameser.h> 320Sstevel@tonic-gate 330Sstevel@tonic-gate #include <errno.h> 340Sstevel@tonic-gate #include <resolv.h> 350Sstevel@tonic-gate #include <stdio.h> 360Sstevel@tonic-gate #include <string.h> 370Sstevel@tonic-gate 380Sstevel@tonic-gate #include <irs.h> 390Sstevel@tonic-gate 400Sstevel@tonic-gate #include "port_after.h" 410Sstevel@tonic-gate 420Sstevel@tonic-gate #include "irs_data.h" 430Sstevel@tonic-gate 440Sstevel@tonic-gate /* Forward */ 450Sstevel@tonic-gate 460Sstevel@tonic-gate static struct net_data *init(void); 470Sstevel@tonic-gate 480Sstevel@tonic-gate /* Public */ 490Sstevel@tonic-gate 500Sstevel@tonic-gate struct protoent * 510Sstevel@tonic-gate getprotoent() { 520Sstevel@tonic-gate struct net_data *net_data = init(); 530Sstevel@tonic-gate 540Sstevel@tonic-gate return (getprotoent_p(net_data)); 550Sstevel@tonic-gate } 560Sstevel@tonic-gate 570Sstevel@tonic-gate struct protoent * 580Sstevel@tonic-gate getprotobyname(const char *name) { 590Sstevel@tonic-gate struct net_data *net_data = init(); 600Sstevel@tonic-gate 610Sstevel@tonic-gate return (getprotobyname_p(name, net_data)); 620Sstevel@tonic-gate } 630Sstevel@tonic-gate 640Sstevel@tonic-gate struct protoent * 650Sstevel@tonic-gate getprotobynumber(int proto) { 660Sstevel@tonic-gate struct net_data *net_data = init(); 670Sstevel@tonic-gate 680Sstevel@tonic-gate return (getprotobynumber_p(proto, net_data)); 690Sstevel@tonic-gate } 700Sstevel@tonic-gate 710Sstevel@tonic-gate void 720Sstevel@tonic-gate setprotoent(int stayopen) { 730Sstevel@tonic-gate struct net_data *net_data = init(); 740Sstevel@tonic-gate 750Sstevel@tonic-gate setprotoent_p(stayopen, net_data); 760Sstevel@tonic-gate } 770Sstevel@tonic-gate 780Sstevel@tonic-gate void 790Sstevel@tonic-gate endprotoent() { 800Sstevel@tonic-gate struct net_data *net_data = init(); 810Sstevel@tonic-gate 820Sstevel@tonic-gate endprotoent_p(net_data); 830Sstevel@tonic-gate } 840Sstevel@tonic-gate 850Sstevel@tonic-gate /* Shared private. */ 860Sstevel@tonic-gate 870Sstevel@tonic-gate struct protoent * 880Sstevel@tonic-gate getprotoent_p(struct net_data *net_data) { 890Sstevel@tonic-gate struct irs_pr *pr; 900Sstevel@tonic-gate 910Sstevel@tonic-gate if (!net_data || !(pr = net_data->pr)) 920Sstevel@tonic-gate return (NULL); 930Sstevel@tonic-gate net_data->pr_last = (*pr->next)(pr); 940Sstevel@tonic-gate return (net_data->pr_last); 950Sstevel@tonic-gate } 960Sstevel@tonic-gate 970Sstevel@tonic-gate struct protoent * 980Sstevel@tonic-gate getprotobyname_p(const char *name, struct net_data *net_data) { 990Sstevel@tonic-gate struct irs_pr *pr; 1000Sstevel@tonic-gate char **pap; 1010Sstevel@tonic-gate 1020Sstevel@tonic-gate if (!net_data || !(pr = net_data->pr)) 1030Sstevel@tonic-gate return (NULL); 1040Sstevel@tonic-gate if (net_data->pr_stayopen && net_data->pr_last) { 1050Sstevel@tonic-gate if (!strcmp(net_data->pr_last->p_name, name)) 1060Sstevel@tonic-gate return (net_data->pr_last); 1070Sstevel@tonic-gate for (pap = net_data->pr_last->p_aliases; pap && *pap; pap++) 1080Sstevel@tonic-gate if (!strcmp(name, *pap)) 1090Sstevel@tonic-gate return (net_data->pr_last); 1100Sstevel@tonic-gate } 1110Sstevel@tonic-gate net_data->pr_last = (*pr->byname)(pr, name); 1120Sstevel@tonic-gate if (!net_data->pr_stayopen) 1130Sstevel@tonic-gate endprotoent(); 1140Sstevel@tonic-gate return (net_data->pr_last); 1150Sstevel@tonic-gate } 1160Sstevel@tonic-gate 1170Sstevel@tonic-gate struct protoent * 1180Sstevel@tonic-gate getprotobynumber_p(int proto, struct net_data *net_data) { 1190Sstevel@tonic-gate struct irs_pr *pr; 1200Sstevel@tonic-gate 1210Sstevel@tonic-gate if (!net_data || !(pr = net_data->pr)) 1220Sstevel@tonic-gate return (NULL); 1230Sstevel@tonic-gate if (net_data->pr_stayopen && net_data->pr_last) 1240Sstevel@tonic-gate if (net_data->pr_last->p_proto == proto) 1250Sstevel@tonic-gate return (net_data->pr_last); 1260Sstevel@tonic-gate net_data->pr_last = (*pr->bynumber)(pr, proto); 1270Sstevel@tonic-gate if (!net_data->pr_stayopen) 1280Sstevel@tonic-gate endprotoent(); 1290Sstevel@tonic-gate return (net_data->pr_last); 1300Sstevel@tonic-gate } 1310Sstevel@tonic-gate 1320Sstevel@tonic-gate void 1330Sstevel@tonic-gate setprotoent_p(int stayopen, struct net_data *net_data) { 1340Sstevel@tonic-gate struct irs_pr *pr; 1350Sstevel@tonic-gate 1360Sstevel@tonic-gate if (!net_data || !(pr = net_data->pr)) 1370Sstevel@tonic-gate return; 1380Sstevel@tonic-gate (*pr->rewind)(pr); 1390Sstevel@tonic-gate net_data->pr_stayopen = (stayopen != 0); 1400Sstevel@tonic-gate if (stayopen == 0) 1410Sstevel@tonic-gate net_data_minimize(net_data); 1420Sstevel@tonic-gate } 1430Sstevel@tonic-gate 1440Sstevel@tonic-gate void 1450Sstevel@tonic-gate endprotoent_p(struct net_data *net_data) { 1460Sstevel@tonic-gate struct irs_pr *pr; 1470Sstevel@tonic-gate 1480Sstevel@tonic-gate if ((net_data != NULL) && ((pr = net_data->pr) != NULL)) 1490Sstevel@tonic-gate (*pr->minimize)(pr); 1500Sstevel@tonic-gate } 1510Sstevel@tonic-gate 1520Sstevel@tonic-gate /* Private */ 1530Sstevel@tonic-gate 1540Sstevel@tonic-gate static struct net_data * 1550Sstevel@tonic-gate init() { 1560Sstevel@tonic-gate struct net_data *net_data; 1570Sstevel@tonic-gate 1580Sstevel@tonic-gate if (!(net_data = net_data_init(NULL))) 1590Sstevel@tonic-gate goto error; 1600Sstevel@tonic-gate if (!net_data->pr) { 1610Sstevel@tonic-gate net_data->pr = (*net_data->irs->pr_map)(net_data->irs); 1620Sstevel@tonic-gate 1630Sstevel@tonic-gate if (!net_data->pr || !net_data->res) { 1640Sstevel@tonic-gate error: 1650Sstevel@tonic-gate errno = EIO; 1660Sstevel@tonic-gate return (NULL); 1670Sstevel@tonic-gate } 1680Sstevel@tonic-gate (*net_data->pr->res_set)(net_data->pr, net_data->res, NULL); 1690Sstevel@tonic-gate } 1700Sstevel@tonic-gate 1710Sstevel@tonic-gate return (net_data); 1720Sstevel@tonic-gate } 1730Sstevel@tonic-gate 1740Sstevel@tonic-gate #endif /*__BIND_NOSTATIC*/ 175*11038SRao.Shoaib@Sun.COM 176*11038SRao.Shoaib@Sun.COM /*! \file */ 177