1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Copyright 1999-2002 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) 1998-1999 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(LIBC_SCCS) && !defined(lint) 26*0Sstevel@tonic-gate static const char rcsid[] = "$Id: getprotoent_r.c,v 8.6 2001/11/01 08:02:14 marka Exp $"; 27*0Sstevel@tonic-gate #endif /* LIBC_SCCS and not lint */ 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <port_before.h> 30*0Sstevel@tonic-gate #if !defined(_REENTRANT) || !defined(DO_PTHREADS) 31*0Sstevel@tonic-gate static int getprotoent_r_not_required = 0; 32*0Sstevel@tonic-gate #else 33*0Sstevel@tonic-gate #include <errno.h> 34*0Sstevel@tonic-gate #include <string.h> 35*0Sstevel@tonic-gate #include <stdio.h> 36*0Sstevel@tonic-gate #include <sys/types.h> 37*0Sstevel@tonic-gate #include <netinet/in.h> 38*0Sstevel@tonic-gate #include <netdb.h> 39*0Sstevel@tonic-gate #include <port_after.h> 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #ifdef PROTO_R_RETURN 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate static PROTO_R_RETURN 44*0Sstevel@tonic-gate copy_protoent(struct protoent *, struct protoent *, PROTO_R_COPY_ARGS); 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate PROTO_R_RETURN 47*0Sstevel@tonic-gate getprotobyname_r(const char *name, struct protoent *pptr, PROTO_R_ARGS) { 48*0Sstevel@tonic-gate struct protoent *pe = getprotobyname(name); 49*0Sstevel@tonic-gate #ifdef PROTO_R_SETANSWER 50*0Sstevel@tonic-gate int n = 0; 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0) 53*0Sstevel@tonic-gate *answerp = NULL; 54*0Sstevel@tonic-gate else 55*0Sstevel@tonic-gate *answerp = pptr; 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate return (n); 58*0Sstevel@tonic-gate #else 59*0Sstevel@tonic-gate if (pe == NULL) 60*0Sstevel@tonic-gate return (PROTO_R_BAD); 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate return (copy_protoent(pe, pptr, PROTO_R_COPY)); 63*0Sstevel@tonic-gate #endif 64*0Sstevel@tonic-gate } 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate PROTO_R_RETURN 67*0Sstevel@tonic-gate getprotobynumber_r(int proto, struct protoent *pptr, PROTO_R_ARGS) { 68*0Sstevel@tonic-gate struct protoent *pe = getprotobynumber(proto); 69*0Sstevel@tonic-gate #ifdef PROTO_R_SETANSWER 70*0Sstevel@tonic-gate int n = 0; 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0) 73*0Sstevel@tonic-gate *answerp = NULL; 74*0Sstevel@tonic-gate else 75*0Sstevel@tonic-gate *answerp = pptr; 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate return (n); 78*0Sstevel@tonic-gate #else 79*0Sstevel@tonic-gate if (pe == NULL) 80*0Sstevel@tonic-gate return (PROTO_R_BAD); 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate return (copy_protoent(pe, pptr, PROTO_R_COPY)); 83*0Sstevel@tonic-gate #endif 84*0Sstevel@tonic-gate } 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate /* 87*0Sstevel@tonic-gate * These assume a single context is in operation per thread. 88*0Sstevel@tonic-gate * If this is not the case we will need to call irs directly 89*0Sstevel@tonic-gate * rather than through the base functions. 90*0Sstevel@tonic-gate */ 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate PROTO_R_RETURN 93*0Sstevel@tonic-gate getprotoent_r(struct protoent *pptr, PROTO_R_ARGS) { 94*0Sstevel@tonic-gate struct protoent *pe = getprotoent(); 95*0Sstevel@tonic-gate #ifdef PROTO_R_SETANSWER 96*0Sstevel@tonic-gate int n = 0; 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0) 99*0Sstevel@tonic-gate *answerp = NULL; 100*0Sstevel@tonic-gate else 101*0Sstevel@tonic-gate *answerp = pptr; 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate return (n); 104*0Sstevel@tonic-gate #else 105*0Sstevel@tonic-gate if (pe == NULL) 106*0Sstevel@tonic-gate return (PROTO_R_BAD); 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate return (copy_protoent(pe, pptr, PROTO_R_COPY)); 109*0Sstevel@tonic-gate #endif 110*0Sstevel@tonic-gate } 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate PROTO_R_SET_RETURN 113*0Sstevel@tonic-gate #ifdef PROTO_R_ENT_ARGS 114*0Sstevel@tonic-gate setprotoent_r(int stay_open, PROTO_R_ENT_ARGS) 115*0Sstevel@tonic-gate #else 116*0Sstevel@tonic-gate setprotoent_r(int stay_open) 117*0Sstevel@tonic-gate #endif 118*0Sstevel@tonic-gate { 119*0Sstevel@tonic-gate setprotoent(stay_open); 120*0Sstevel@tonic-gate #ifdef PROTO_R_SET_RESULT 121*0Sstevel@tonic-gate return (PROTO_R_SET_RESULT); 122*0Sstevel@tonic-gate #endif 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate PROTO_R_END_RETURN 126*0Sstevel@tonic-gate #ifdef PROTO_R_ENT_ARGS 127*0Sstevel@tonic-gate endprotoent_r(PROTO_R_ENT_ARGS) 128*0Sstevel@tonic-gate #else 129*0Sstevel@tonic-gate endprotoent_r() 130*0Sstevel@tonic-gate #endif 131*0Sstevel@tonic-gate { 132*0Sstevel@tonic-gate endprotoent(); 133*0Sstevel@tonic-gate PROTO_R_END_RESULT(PROTO_R_OK); 134*0Sstevel@tonic-gate } 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate /* Private */ 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate #ifndef PROTOENT_DATA 139*0Sstevel@tonic-gate static PROTO_R_RETURN 140*0Sstevel@tonic-gate copy_protoent(struct protoent *pe, struct protoent *pptr, PROTO_R_COPY_ARGS) { 141*0Sstevel@tonic-gate char *cp; 142*0Sstevel@tonic-gate int i, n; 143*0Sstevel@tonic-gate int numptr, len; 144*0Sstevel@tonic-gate 145*0Sstevel@tonic-gate /* Find out the amount of space required to store the answer. */ 146*0Sstevel@tonic-gate numptr = 1; /* NULL ptr */ 147*0Sstevel@tonic-gate len = (char *)ALIGN(buf) - buf; 148*0Sstevel@tonic-gate for (i = 0; pe->p_aliases[i]; i++, numptr++) { 149*0Sstevel@tonic-gate len += strlen(pe->p_aliases[i]) + 1; 150*0Sstevel@tonic-gate } 151*0Sstevel@tonic-gate len += strlen(pe->p_name) + 1; 152*0Sstevel@tonic-gate len += numptr * sizeof(char*); 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate if (len > (int)buflen) { 155*0Sstevel@tonic-gate errno = ERANGE; 156*0Sstevel@tonic-gate return (PROTO_R_BAD); 157*0Sstevel@tonic-gate } 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate /* copy protocol value*/ 160*0Sstevel@tonic-gate pptr->p_proto = pe->p_proto; 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate cp = (char *)ALIGN(buf) + numptr * sizeof(char *); 163*0Sstevel@tonic-gate 164*0Sstevel@tonic-gate /* copy official name */ 165*0Sstevel@tonic-gate n = strlen(pe->p_name) + 1; 166*0Sstevel@tonic-gate strcpy(cp, pe->p_name); 167*0Sstevel@tonic-gate pptr->p_name = cp; 168*0Sstevel@tonic-gate cp += n; 169*0Sstevel@tonic-gate 170*0Sstevel@tonic-gate /* copy aliases */ 171*0Sstevel@tonic-gate pptr->p_aliases = (char **)ALIGN(buf); 172*0Sstevel@tonic-gate for (i = 0 ; pe->p_aliases[i]; i++) { 173*0Sstevel@tonic-gate n = strlen(pe->p_aliases[i]) + 1; 174*0Sstevel@tonic-gate strcpy(cp, pe->p_aliases[i]); 175*0Sstevel@tonic-gate pptr->p_aliases[i] = cp; 176*0Sstevel@tonic-gate cp += n; 177*0Sstevel@tonic-gate } 178*0Sstevel@tonic-gate pptr->p_aliases[i] = NULL; 179*0Sstevel@tonic-gate 180*0Sstevel@tonic-gate return (PROTO_R_OK); 181*0Sstevel@tonic-gate } 182*0Sstevel@tonic-gate #else /* !PROTOENT_DATA */ 183*0Sstevel@tonic-gate static int 184*0Sstevel@tonic-gate copy_protoent(struct protoent *pe, struct protoent *pptr, PROTO_R_COPY_ARGS) { 185*0Sstevel@tonic-gate char *cp, *eob; 186*0Sstevel@tonic-gate int i, n; 187*0Sstevel@tonic-gate 188*0Sstevel@tonic-gate /* copy protocol value */ 189*0Sstevel@tonic-gate pptr->p_proto = pe->p_proto; 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate /* copy official name */ 192*0Sstevel@tonic-gate cp = pdptr->line; 193*0Sstevel@tonic-gate eob = pdptr->line + sizeof(pdptr->line); 194*0Sstevel@tonic-gate if ((n = strlen(pe->p_name) + 1) < (eob - cp)) { 195*0Sstevel@tonic-gate strcpy(cp, pe->p_name); 196*0Sstevel@tonic-gate pptr->p_name = cp; 197*0Sstevel@tonic-gate cp += n; 198*0Sstevel@tonic-gate } else { 199*0Sstevel@tonic-gate return (-1); 200*0Sstevel@tonic-gate } 201*0Sstevel@tonic-gate 202*0Sstevel@tonic-gate /* copy aliases */ 203*0Sstevel@tonic-gate i = 0; 204*0Sstevel@tonic-gate pptr->p_aliases = pdptr->proto_aliases; 205*0Sstevel@tonic-gate while (pe->p_aliases[i] && i < (_MAXALIASES-1)) { 206*0Sstevel@tonic-gate if ((n = strlen(pe->p_aliases[i]) + 1) < (eob - cp)) { 207*0Sstevel@tonic-gate strcpy(cp, pe->p_aliases[i]); 208*0Sstevel@tonic-gate pptr->p_aliases[i] = cp; 209*0Sstevel@tonic-gate cp += n; 210*0Sstevel@tonic-gate } else { 211*0Sstevel@tonic-gate break; 212*0Sstevel@tonic-gate } 213*0Sstevel@tonic-gate i++; 214*0Sstevel@tonic-gate } 215*0Sstevel@tonic-gate pptr->p_aliases[i] = NULL; 216*0Sstevel@tonic-gate 217*0Sstevel@tonic-gate return (PROTO_R_OK); 218*0Sstevel@tonic-gate } 219*0Sstevel@tonic-gate #endif /* PROTOENT_DATA */ 220*0Sstevel@tonic-gate #else /* PROTO_R_RETURN */ 221*0Sstevel@tonic-gate static int getprotoent_r_unknown_system = 0; 222*0Sstevel@tonic-gate #endif /* PROTO_R_RETURN */ 223*0Sstevel@tonic-gate #endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */ 224