17c478bd9Sstevel@tonic-gate /* 2*9525b14bSRao Shoaib * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") 37c478bd9Sstevel@tonic-gate * Copyright (c) 1996,1999 by Internet Software Consortium. 47c478bd9Sstevel@tonic-gate * 57c478bd9Sstevel@tonic-gate * Permission to use, copy, modify, and distribute this software for any 67c478bd9Sstevel@tonic-gate * purpose with or without fee is hereby granted, provided that the above 77c478bd9Sstevel@tonic-gate * copyright notice and this permission notice appear in all copies. 87c478bd9Sstevel@tonic-gate * 9*9525b14bSRao Shoaib * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 10*9525b14bSRao Shoaib * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11*9525b14bSRao Shoaib * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 12*9525b14bSRao Shoaib * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13*9525b14bSRao Shoaib * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14*9525b14bSRao Shoaib * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 15*9525b14bSRao Shoaib * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 167c478bd9Sstevel@tonic-gate */ 177c478bd9Sstevel@tonic-gate 187c478bd9Sstevel@tonic-gate #if !defined(LINT) && !defined(CODECENTER) 19*9525b14bSRao Shoaib static const char rcsid[] = "$Id: getservent.c,v 1.4 2005/04/27 04:56:26 sra Exp $"; 207c478bd9Sstevel@tonic-gate #endif 217c478bd9Sstevel@tonic-gate 227c478bd9Sstevel@tonic-gate /* Imports */ 237c478bd9Sstevel@tonic-gate 247c478bd9Sstevel@tonic-gate #include "port_before.h" 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #if !defined(__BIND_NOSTATIC) 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <sys/types.h> 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <netinet/in.h> 317c478bd9Sstevel@tonic-gate #include <arpa/nameser.h> 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <errno.h> 347c478bd9Sstevel@tonic-gate #include <resolv.h> 357c478bd9Sstevel@tonic-gate #include <stdio.h> 367c478bd9Sstevel@tonic-gate #include <string.h> 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #include <irs.h> 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate #include "port_after.h" 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #include "irs_data.h" 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate /* Forward */ 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate static struct net_data *init(void); 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate /* Public */ 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate struct servent * 517c478bd9Sstevel@tonic-gate getservent(void) { 527c478bd9Sstevel@tonic-gate struct net_data *net_data = init(); 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate return (getservent_p(net_data)); 557c478bd9Sstevel@tonic-gate } 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate struct servent * 587c478bd9Sstevel@tonic-gate getservbyname(const char *name, const char *proto) { 597c478bd9Sstevel@tonic-gate struct net_data *net_data = init(); 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate return (getservbyname_p(name, proto, net_data)); 627c478bd9Sstevel@tonic-gate } 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate struct servent * 657c478bd9Sstevel@tonic-gate getservbyport(int port, const char *proto) { 667c478bd9Sstevel@tonic-gate struct net_data *net_data = init(); 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate return (getservbyport_p(port, proto, net_data)); 697c478bd9Sstevel@tonic-gate } 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate void 727c478bd9Sstevel@tonic-gate setservent(int stayopen) { 737c478bd9Sstevel@tonic-gate struct net_data *net_data = init(); 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate setservent_p(stayopen, net_data); 767c478bd9Sstevel@tonic-gate } 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate void 797c478bd9Sstevel@tonic-gate endservent() { 807c478bd9Sstevel@tonic-gate struct net_data *net_data = init(); 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate endservent_p(net_data); 837c478bd9Sstevel@tonic-gate } 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate /* Shared private. */ 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate struct servent * 887c478bd9Sstevel@tonic-gate getservent_p(struct net_data *net_data) { 897c478bd9Sstevel@tonic-gate struct irs_sv *sv; 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate if (!net_data || !(sv = net_data->sv)) 927c478bd9Sstevel@tonic-gate return (NULL); 937c478bd9Sstevel@tonic-gate net_data->sv_last = (*sv->next)(sv); 947c478bd9Sstevel@tonic-gate return (net_data->sv_last); 957c478bd9Sstevel@tonic-gate } 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate struct servent * 987c478bd9Sstevel@tonic-gate getservbyname_p(const char *name, const char *proto, 997c478bd9Sstevel@tonic-gate struct net_data *net_data) { 1007c478bd9Sstevel@tonic-gate struct irs_sv *sv; 1017c478bd9Sstevel@tonic-gate char **sap; 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate if (!net_data || !(sv = net_data->sv)) 1047c478bd9Sstevel@tonic-gate return (NULL); 1057c478bd9Sstevel@tonic-gate if (net_data->sv_stayopen && net_data->sv_last) 1067c478bd9Sstevel@tonic-gate if (!proto || !strcmp(net_data->sv_last->s_proto, proto)) { 1077c478bd9Sstevel@tonic-gate if (!strcmp(net_data->sv_last->s_name, name)) 1087c478bd9Sstevel@tonic-gate return (net_data->sv_last); 1097c478bd9Sstevel@tonic-gate for (sap = net_data->sv_last->s_aliases; 1107c478bd9Sstevel@tonic-gate sap && *sap; sap++) 1117c478bd9Sstevel@tonic-gate if (!strcmp(name, *sap)) 1127c478bd9Sstevel@tonic-gate return (net_data->sv_last); 1137c478bd9Sstevel@tonic-gate } 1147c478bd9Sstevel@tonic-gate net_data->sv_last = (*sv->byname)(sv, name, proto); 1157c478bd9Sstevel@tonic-gate if (!net_data->sv_stayopen) 1167c478bd9Sstevel@tonic-gate endservent(); 1177c478bd9Sstevel@tonic-gate return (net_data->sv_last); 1187c478bd9Sstevel@tonic-gate } 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate struct servent * 1217c478bd9Sstevel@tonic-gate getservbyport_p(int port, const char *proto, struct net_data *net_data) { 1227c478bd9Sstevel@tonic-gate struct irs_sv *sv; 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate if (!net_data || !(sv = net_data->sv)) 1257c478bd9Sstevel@tonic-gate return (NULL); 1267c478bd9Sstevel@tonic-gate if (net_data->sv_stayopen && net_data->sv_last) 1277c478bd9Sstevel@tonic-gate if (port == net_data->sv_last->s_port && 1287c478bd9Sstevel@tonic-gate ( !proto || 1297c478bd9Sstevel@tonic-gate !strcmp(net_data->sv_last->s_proto, proto))) 1307c478bd9Sstevel@tonic-gate return (net_data->sv_last); 1317c478bd9Sstevel@tonic-gate net_data->sv_last = (*sv->byport)(sv, port, proto); 1327c478bd9Sstevel@tonic-gate return (net_data->sv_last); 1337c478bd9Sstevel@tonic-gate } 1347c478bd9Sstevel@tonic-gate 1357c478bd9Sstevel@tonic-gate void 1367c478bd9Sstevel@tonic-gate setservent_p(int stayopen, struct net_data *net_data) { 1377c478bd9Sstevel@tonic-gate struct irs_sv *sv; 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate if (!net_data || !(sv = net_data->sv)) 1407c478bd9Sstevel@tonic-gate return; 1417c478bd9Sstevel@tonic-gate (*sv->rewind)(sv); 1427c478bd9Sstevel@tonic-gate net_data->sv_stayopen = (stayopen != 0); 1437c478bd9Sstevel@tonic-gate if (stayopen == 0) 1447c478bd9Sstevel@tonic-gate net_data_minimize(net_data); 1457c478bd9Sstevel@tonic-gate } 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate void 1487c478bd9Sstevel@tonic-gate endservent_p(struct net_data *net_data) { 1497c478bd9Sstevel@tonic-gate struct irs_sv *sv; 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate if ((net_data != NULL) && ((sv = net_data->sv) != NULL)) 1527c478bd9Sstevel@tonic-gate (*sv->minimize)(sv); 1537c478bd9Sstevel@tonic-gate } 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate /* Private */ 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate static struct net_data * 1587c478bd9Sstevel@tonic-gate init() { 1597c478bd9Sstevel@tonic-gate struct net_data *net_data; 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate if (!(net_data = net_data_init(NULL))) 1627c478bd9Sstevel@tonic-gate goto error; 1637c478bd9Sstevel@tonic-gate if (!net_data->sv) { 1647c478bd9Sstevel@tonic-gate net_data->sv = (*net_data->irs->sv_map)(net_data->irs); 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate if (!net_data->sv || !net_data->res) { 1677c478bd9Sstevel@tonic-gate error: 1687c478bd9Sstevel@tonic-gate errno = EIO; 1697c478bd9Sstevel@tonic-gate return (NULL); 1707c478bd9Sstevel@tonic-gate } 1717c478bd9Sstevel@tonic-gate (*net_data->sv->res_set)(net_data->sv, net_data->res, NULL); 1727c478bd9Sstevel@tonic-gate } 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate return (net_data); 1757c478bd9Sstevel@tonic-gate } 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate #endif /*__BIND_NOSTATIC*/ 178*9525b14bSRao Shoaib 179*9525b14bSRao Shoaib /*! \file */ 180