17c478bd9Sstevel@tonic-gate /*
29525b14bSRao Shoaib * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
37c478bd9Sstevel@tonic-gate * Copyright (c) 1998-1999 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 *
99525b14bSRao Shoaib * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
109525b14bSRao Shoaib * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
119525b14bSRao Shoaib * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
129525b14bSRao Shoaib * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
139525b14bSRao Shoaib * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
149525b14bSRao Shoaib * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
159525b14bSRao Shoaib * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
167c478bd9Sstevel@tonic-gate */
177c478bd9Sstevel@tonic-gate
187c478bd9Sstevel@tonic-gate #include <port_before.h>
197c478bd9Sstevel@tonic-gate #if !defined(_REENTRANT) || !defined(DO_PTHREADS)
207c478bd9Sstevel@tonic-gate static int getservent_r_not_required = 0;
217c478bd9Sstevel@tonic-gate #else
227c478bd9Sstevel@tonic-gate #include <errno.h>
237c478bd9Sstevel@tonic-gate #include <string.h>
247c478bd9Sstevel@tonic-gate #include <stdio.h>
257c478bd9Sstevel@tonic-gate #include <sys/types.h>
267c478bd9Sstevel@tonic-gate #include <netinet/in.h>
277c478bd9Sstevel@tonic-gate #include <netdb.h>
287c478bd9Sstevel@tonic-gate #include <sys/param.h>
297c478bd9Sstevel@tonic-gate #include <port_after.h>
307c478bd9Sstevel@tonic-gate
317c478bd9Sstevel@tonic-gate #ifdef SERV_R_RETURN
327c478bd9Sstevel@tonic-gate
33*55fea89dSDan Cross static SERV_R_RETURN
347c478bd9Sstevel@tonic-gate copy_servent(struct servent *, struct servent *, SERV_R_COPY_ARGS);
357c478bd9Sstevel@tonic-gate
367c478bd9Sstevel@tonic-gate SERV_R_RETURN
getservbyname_r(const char * name,const char * proto,struct servent * sptr,SERV_R_ARGS)377c478bd9Sstevel@tonic-gate getservbyname_r(const char *name, const char *proto,
387c478bd9Sstevel@tonic-gate struct servent *sptr, SERV_R_ARGS) {
397c478bd9Sstevel@tonic-gate struct servent *se = getservbyname(name, proto);
407c478bd9Sstevel@tonic-gate #ifdef SERV_R_SETANSWER
417c478bd9Sstevel@tonic-gate int n = 0;
42*55fea89dSDan Cross
437c478bd9Sstevel@tonic-gate if (se == NULL || (n = copy_servent(se, sptr, SERV_R_COPY)) != 0)
447c478bd9Sstevel@tonic-gate *answerp = NULL;
457c478bd9Sstevel@tonic-gate else
467c478bd9Sstevel@tonic-gate *answerp = sptr;
477c478bd9Sstevel@tonic-gate
487c478bd9Sstevel@tonic-gate return (n);
497c478bd9Sstevel@tonic-gate #else
507c478bd9Sstevel@tonic-gate if (se == NULL)
517c478bd9Sstevel@tonic-gate return (SERV_R_BAD);
527c478bd9Sstevel@tonic-gate
537c478bd9Sstevel@tonic-gate return (copy_servent(se, sptr, SERV_R_COPY));
547c478bd9Sstevel@tonic-gate #endif
557c478bd9Sstevel@tonic-gate }
567c478bd9Sstevel@tonic-gate
577c478bd9Sstevel@tonic-gate SERV_R_RETURN
getservbyport_r(int port,const char * proto,struct servent * sptr,SERV_R_ARGS)587c478bd9Sstevel@tonic-gate getservbyport_r(int port, const char *proto,
597c478bd9Sstevel@tonic-gate struct servent *sptr, SERV_R_ARGS) {
607c478bd9Sstevel@tonic-gate struct servent *se = getservbyport(port, proto);
617c478bd9Sstevel@tonic-gate #ifdef SERV_R_SETANSWER
627c478bd9Sstevel@tonic-gate int n = 0;
63*55fea89dSDan Cross
647c478bd9Sstevel@tonic-gate if (se == NULL || (n = copy_servent(se, sptr, SERV_R_COPY)) != 0)
657c478bd9Sstevel@tonic-gate *answerp = NULL;
667c478bd9Sstevel@tonic-gate else
677c478bd9Sstevel@tonic-gate *answerp = sptr;
687c478bd9Sstevel@tonic-gate
697c478bd9Sstevel@tonic-gate return (n);
707c478bd9Sstevel@tonic-gate #else
717c478bd9Sstevel@tonic-gate if (se == NULL)
727c478bd9Sstevel@tonic-gate return (SERV_R_BAD);
737c478bd9Sstevel@tonic-gate
747c478bd9Sstevel@tonic-gate return (copy_servent(se, sptr, SERV_R_COPY));
757c478bd9Sstevel@tonic-gate #endif
767c478bd9Sstevel@tonic-gate }
777c478bd9Sstevel@tonic-gate
789525b14bSRao Shoaib /*%
797c478bd9Sstevel@tonic-gate * These assume a single context is in operation per thread.
807c478bd9Sstevel@tonic-gate * If this is not the case we will need to call irs directly
817c478bd9Sstevel@tonic-gate * rather than through the base functions.
827c478bd9Sstevel@tonic-gate */
837c478bd9Sstevel@tonic-gate
847c478bd9Sstevel@tonic-gate SERV_R_RETURN
getservent_r(struct servent * sptr,SERV_R_ARGS)857c478bd9Sstevel@tonic-gate getservent_r(struct servent *sptr, SERV_R_ARGS) {
867c478bd9Sstevel@tonic-gate struct servent *se = getservent();
877c478bd9Sstevel@tonic-gate #ifdef SERV_R_SETANSWER
887c478bd9Sstevel@tonic-gate int n = 0;
89*55fea89dSDan Cross
907c478bd9Sstevel@tonic-gate if (se == NULL || (n = copy_servent(se, sptr, SERV_R_COPY)) != 0)
917c478bd9Sstevel@tonic-gate *answerp = NULL;
927c478bd9Sstevel@tonic-gate else
937c478bd9Sstevel@tonic-gate *answerp = sptr;
947c478bd9Sstevel@tonic-gate
957c478bd9Sstevel@tonic-gate return (n);
967c478bd9Sstevel@tonic-gate #else
977c478bd9Sstevel@tonic-gate if (se == NULL)
987c478bd9Sstevel@tonic-gate return (SERV_R_BAD);
997c478bd9Sstevel@tonic-gate
1007c478bd9Sstevel@tonic-gate return (copy_servent(se, sptr, SERV_R_COPY));
1017c478bd9Sstevel@tonic-gate #endif
1027c478bd9Sstevel@tonic-gate }
1037c478bd9Sstevel@tonic-gate
1047c478bd9Sstevel@tonic-gate SERV_R_SET_RETURN
1057c478bd9Sstevel@tonic-gate #ifdef SERV_R_ENT_ARGS
setservent_r(int stay_open,SERV_R_ENT_ARGS)1067c478bd9Sstevel@tonic-gate setservent_r(int stay_open, SERV_R_ENT_ARGS)
1077c478bd9Sstevel@tonic-gate #else
1087c478bd9Sstevel@tonic-gate setservent_r(int stay_open)
1097c478bd9Sstevel@tonic-gate #endif
1107c478bd9Sstevel@tonic-gate {
1119525b14bSRao Shoaib #ifdef SERV_R_ENT_UNUSED
1129525b14bSRao Shoaib SERV_R_ENT_UNUSED;
1139525b14bSRao Shoaib #endif
1147c478bd9Sstevel@tonic-gate setservent(stay_open);
1157c478bd9Sstevel@tonic-gate #ifdef SERV_R_SET_RESULT
1167c478bd9Sstevel@tonic-gate return (SERV_R_SET_RESULT);
1177c478bd9Sstevel@tonic-gate #endif
1187c478bd9Sstevel@tonic-gate }
1197c478bd9Sstevel@tonic-gate
1207c478bd9Sstevel@tonic-gate SERV_R_END_RETURN
1217c478bd9Sstevel@tonic-gate #ifdef SERV_R_ENT_ARGS
endservent_r(SERV_R_ENT_ARGS)1227c478bd9Sstevel@tonic-gate endservent_r(SERV_R_ENT_ARGS)
1237c478bd9Sstevel@tonic-gate #else
1247c478bd9Sstevel@tonic-gate endservent_r()
1257c478bd9Sstevel@tonic-gate #endif
1267c478bd9Sstevel@tonic-gate {
1279525b14bSRao Shoaib #ifdef SERV_R_ENT_UNUSED
1289525b14bSRao Shoaib SERV_R_ENT_UNUSED;
1299525b14bSRao Shoaib #endif
1307c478bd9Sstevel@tonic-gate endservent();
1317c478bd9Sstevel@tonic-gate SERV_R_END_RESULT(SERV_R_OK);
1327c478bd9Sstevel@tonic-gate }
1337c478bd9Sstevel@tonic-gate
1347c478bd9Sstevel@tonic-gate /* Private */
1357c478bd9Sstevel@tonic-gate
1367c478bd9Sstevel@tonic-gate #ifndef SERVENT_DATA
1377c478bd9Sstevel@tonic-gate static SERV_R_RETURN
copy_servent(struct servent * se,struct servent * sptr,SERV_R_COPY_ARGS)1387c478bd9Sstevel@tonic-gate copy_servent(struct servent *se, struct servent *sptr, SERV_R_COPY_ARGS) {
1397c478bd9Sstevel@tonic-gate char *cp;
1407c478bd9Sstevel@tonic-gate int i, n;
1417c478bd9Sstevel@tonic-gate int numptr, len;
1427c478bd9Sstevel@tonic-gate
1437c478bd9Sstevel@tonic-gate /* Find out the amount of space required to store the answer. */
1449525b14bSRao Shoaib numptr = 1; /*%< NULL ptr */
1457c478bd9Sstevel@tonic-gate len = (char *)ALIGN(buf) - buf;
1467c478bd9Sstevel@tonic-gate for (i = 0; se->s_aliases[i]; i++, numptr++) {
1477c478bd9Sstevel@tonic-gate len += strlen(se->s_aliases[i]) + 1;
1487c478bd9Sstevel@tonic-gate }
1497c478bd9Sstevel@tonic-gate len += strlen(se->s_name) + 1;
1507c478bd9Sstevel@tonic-gate len += strlen(se->s_proto) + 1;
1517c478bd9Sstevel@tonic-gate len += numptr * sizeof(char*);
152*55fea89dSDan Cross
1537c478bd9Sstevel@tonic-gate if (len > (int)buflen) {
1547c478bd9Sstevel@tonic-gate errno = ERANGE;
1557c478bd9Sstevel@tonic-gate return (SERV_R_BAD);
1567c478bd9Sstevel@tonic-gate }
1577c478bd9Sstevel@tonic-gate
1587c478bd9Sstevel@tonic-gate /* copy port value */
1597c478bd9Sstevel@tonic-gate sptr->s_port = se->s_port;
1607c478bd9Sstevel@tonic-gate
1617c478bd9Sstevel@tonic-gate cp = (char *)ALIGN(buf) + numptr * sizeof(char *);
1627c478bd9Sstevel@tonic-gate
1637c478bd9Sstevel@tonic-gate /* copy official name */
1647c478bd9Sstevel@tonic-gate n = strlen(se->s_name) + 1;
1657c478bd9Sstevel@tonic-gate strcpy(cp, se->s_name);
1667c478bd9Sstevel@tonic-gate sptr->s_name = cp;
1677c478bd9Sstevel@tonic-gate cp += n;
1687c478bd9Sstevel@tonic-gate
1697c478bd9Sstevel@tonic-gate /* copy aliases */
1707c478bd9Sstevel@tonic-gate sptr->s_aliases = (char **)ALIGN(buf);
1717c478bd9Sstevel@tonic-gate for (i = 0 ; se->s_aliases[i]; i++) {
1727c478bd9Sstevel@tonic-gate n = strlen(se->s_aliases[i]) + 1;
1737c478bd9Sstevel@tonic-gate strcpy(cp, se->s_aliases[i]);
1747c478bd9Sstevel@tonic-gate sptr->s_aliases[i] = cp;
1757c478bd9Sstevel@tonic-gate cp += n;
1767c478bd9Sstevel@tonic-gate }
1777c478bd9Sstevel@tonic-gate sptr->s_aliases[i] = NULL;
1787c478bd9Sstevel@tonic-gate
1797c478bd9Sstevel@tonic-gate /* copy proto */
1807c478bd9Sstevel@tonic-gate n = strlen(se->s_proto) + 1;
1817c478bd9Sstevel@tonic-gate strcpy(cp, se->s_proto);
1827c478bd9Sstevel@tonic-gate sptr->s_proto = cp;
1837c478bd9Sstevel@tonic-gate cp += n;
1847c478bd9Sstevel@tonic-gate
1857c478bd9Sstevel@tonic-gate return (SERV_R_OK);
1867c478bd9Sstevel@tonic-gate }
1877c478bd9Sstevel@tonic-gate #else /* !SERVENT_DATA */
1887c478bd9Sstevel@tonic-gate static int
copy_servent(struct servent * se,struct servent * sptr,SERV_R_COPY_ARGS)1897c478bd9Sstevel@tonic-gate copy_servent(struct servent *se, struct servent *sptr, SERV_R_COPY_ARGS) {
1907c478bd9Sstevel@tonic-gate char *cp, *eob;
1917c478bd9Sstevel@tonic-gate int i, n;
1927c478bd9Sstevel@tonic-gate
1937c478bd9Sstevel@tonic-gate /* copy port value */
1947c478bd9Sstevel@tonic-gate sptr->s_port = se->s_port;
1957c478bd9Sstevel@tonic-gate
1967c478bd9Sstevel@tonic-gate /* copy official name */
1979525b14bSRao Shoaib cp = sdptr->line;
1989525b14bSRao Shoaib eob = sdptr->line + sizeof(sdptr->line);
1997c478bd9Sstevel@tonic-gate if ((n = strlen(se->s_name) + 1) < (eob - cp)) {
2007c478bd9Sstevel@tonic-gate strcpy(cp, se->s_name);
2017c478bd9Sstevel@tonic-gate sptr->s_name = cp;
2027c478bd9Sstevel@tonic-gate cp += n;
2037c478bd9Sstevel@tonic-gate } else {
2047c478bd9Sstevel@tonic-gate return (-1);
2057c478bd9Sstevel@tonic-gate }
2067c478bd9Sstevel@tonic-gate
2077c478bd9Sstevel@tonic-gate /* copy aliases */
2087c478bd9Sstevel@tonic-gate i = 0;
2099525b14bSRao Shoaib sptr->s_aliases = sdptr->serv_aliases;
2107c478bd9Sstevel@tonic-gate while (se->s_aliases[i] && i < (_MAXALIASES-1)) {
2117c478bd9Sstevel@tonic-gate if ((n = strlen(se->s_aliases[i]) + 1) < (eob - cp)) {
2127c478bd9Sstevel@tonic-gate strcpy(cp, se->s_aliases[i]);
2137c478bd9Sstevel@tonic-gate sptr->s_aliases[i] = cp;
2147c478bd9Sstevel@tonic-gate cp += n;
2157c478bd9Sstevel@tonic-gate } else {
2167c478bd9Sstevel@tonic-gate break;
2177c478bd9Sstevel@tonic-gate }
2187c478bd9Sstevel@tonic-gate i++;
2197c478bd9Sstevel@tonic-gate }
2207c478bd9Sstevel@tonic-gate sptr->s_aliases[i] = NULL;
2217c478bd9Sstevel@tonic-gate
2227c478bd9Sstevel@tonic-gate /* copy proto */
2237c478bd9Sstevel@tonic-gate if ((n = strlen(se->s_proto) + 1) < (eob - cp)) {
2247c478bd9Sstevel@tonic-gate strcpy(cp, se->s_proto);
2257c478bd9Sstevel@tonic-gate sptr->s_proto = cp;
2267c478bd9Sstevel@tonic-gate cp += n;
2277c478bd9Sstevel@tonic-gate } else {
2287c478bd9Sstevel@tonic-gate return (-1);
2297c478bd9Sstevel@tonic-gate }
2307c478bd9Sstevel@tonic-gate
2317c478bd9Sstevel@tonic-gate return (SERV_R_OK);
2327c478bd9Sstevel@tonic-gate }
2337c478bd9Sstevel@tonic-gate #endif /* !SERVENT_DATA */
2347c478bd9Sstevel@tonic-gate #else /*SERV_R_RETURN */
2357c478bd9Sstevel@tonic-gate static int getservent_r_unknown_system = 0;
2367c478bd9Sstevel@tonic-gate #endif /*SERV_R_RETURN */
2377c478bd9Sstevel@tonic-gate #endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */
2389525b14bSRao Shoaib /*! \file */
239