1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1986-1992 by Sun Microsystems Inc. 24*0Sstevel@tonic-gate * 25*0Sstevel@tonic-gate * Rentrant (MT-safe) getrpcYY interfaces. 26*0Sstevel@tonic-gate */ 27*0Sstevel@tonic-gate 28*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #include <ctype.h> 31*0Sstevel@tonic-gate #include <nss_dbdefs.h> 32*0Sstevel@tonic-gate #include <stdlib.h> 33*0Sstevel@tonic-gate #include <string.h> 34*0Sstevel@tonic-gate #include <rpc/rpcent.h> 35*0Sstevel@tonic-gate #include <rpc/trace.h> 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate int str2rpcent(const char *, int, void *, 38*0Sstevel@tonic-gate char *, int); 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate static int rpc_stayopen; /* Unsynchronized, but it affects only */ 41*0Sstevel@tonic-gate /* efficiency, not correctness */ 42*0Sstevel@tonic-gate static DEFINE_NSS_DB_ROOT(db_root); 43*0Sstevel@tonic-gate static DEFINE_NSS_GETENT(context); 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate void 46*0Sstevel@tonic-gate _nss_initf_rpc(p) 47*0Sstevel@tonic-gate nss_db_params_t *p; 48*0Sstevel@tonic-gate { 49*0Sstevel@tonic-gate trace1(TR__nss_initf_rpc, 0); 50*0Sstevel@tonic-gate p->name = NSS_DBNAM_RPC; 51*0Sstevel@tonic-gate p->default_config = NSS_DEFCONF_RPC; 52*0Sstevel@tonic-gate trace1(TR__nss_initf_rpc, 1); 53*0Sstevel@tonic-gate } 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate struct rpcent * 56*0Sstevel@tonic-gate getrpcbyname_r(name, result, buffer, buflen) 57*0Sstevel@tonic-gate const char *name; 58*0Sstevel@tonic-gate struct rpcent *result; 59*0Sstevel@tonic-gate char *buffer; 60*0Sstevel@tonic-gate int buflen; 61*0Sstevel@tonic-gate { 62*0Sstevel@tonic-gate nss_XbyY_args_t arg; 63*0Sstevel@tonic-gate nss_status_t res; 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate trace2(TR_getrpcbyname_r, 0, buflen); 66*0Sstevel@tonic-gate NSS_XbyY_INIT(&arg, result, buffer, buflen, str2rpcent); 67*0Sstevel@tonic-gate arg.key.name = name; 68*0Sstevel@tonic-gate arg.stayopen = rpc_stayopen; 69*0Sstevel@tonic-gate res = nss_search(&db_root, _nss_initf_rpc, 70*0Sstevel@tonic-gate NSS_DBOP_RPC_BYNAME, &arg); 71*0Sstevel@tonic-gate arg.status = res; 72*0Sstevel@tonic-gate NSS_XbyY_FINI(&arg); 73*0Sstevel@tonic-gate trace2(TR_getrpcbyname_r, 1, buflen); 74*0Sstevel@tonic-gate return (struct rpcent *) arg.returnval; 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate struct rpcent * 78*0Sstevel@tonic-gate getrpcbynumber_r(number, result, buffer, buflen) 79*0Sstevel@tonic-gate const int number; 80*0Sstevel@tonic-gate struct rpcent *result; 81*0Sstevel@tonic-gate char *buffer; 82*0Sstevel@tonic-gate int buflen; 83*0Sstevel@tonic-gate { 84*0Sstevel@tonic-gate nss_XbyY_args_t arg; 85*0Sstevel@tonic-gate nss_status_t res; 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate trace3(TR_getrpcbyname_r, 0, number, buflen); 88*0Sstevel@tonic-gate NSS_XbyY_INIT(&arg, result, buffer, buflen, str2rpcent); 89*0Sstevel@tonic-gate arg.key.number = number; 90*0Sstevel@tonic-gate arg.stayopen = rpc_stayopen; 91*0Sstevel@tonic-gate res = nss_search(&db_root, _nss_initf_rpc, 92*0Sstevel@tonic-gate NSS_DBOP_RPC_BYNUMBER, &arg); 93*0Sstevel@tonic-gate arg.status = res; 94*0Sstevel@tonic-gate NSS_XbyY_FINI(&arg); 95*0Sstevel@tonic-gate trace3(TR_getrpcbyname_r, 1, number, buflen); 96*0Sstevel@tonic-gate return (struct rpcent *) arg.returnval; 97*0Sstevel@tonic-gate } 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate void 100*0Sstevel@tonic-gate setrpcent(stay) 101*0Sstevel@tonic-gate const int stay; 102*0Sstevel@tonic-gate { 103*0Sstevel@tonic-gate trace1(TR_setrpcent, 0); 104*0Sstevel@tonic-gate rpc_stayopen |= stay; 105*0Sstevel@tonic-gate nss_setent(&db_root, _nss_initf_rpc, &context); 106*0Sstevel@tonic-gate trace1(TR_setrpcent, 1); 107*0Sstevel@tonic-gate } 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate void 110*0Sstevel@tonic-gate endrpcent() 111*0Sstevel@tonic-gate { 112*0Sstevel@tonic-gate trace1(TR_endrpcent, 0); 113*0Sstevel@tonic-gate rpc_stayopen = 0; 114*0Sstevel@tonic-gate nss_endent(&db_root, _nss_initf_rpc, &context); 115*0Sstevel@tonic-gate nss_delete(&db_root); 116*0Sstevel@tonic-gate trace1(TR_endrpcent, 1); 117*0Sstevel@tonic-gate } 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gate struct rpcent * 120*0Sstevel@tonic-gate getrpcent_r(result, buffer, buflen) 121*0Sstevel@tonic-gate struct rpcent *result; 122*0Sstevel@tonic-gate char *buffer; 123*0Sstevel@tonic-gate int buflen; 124*0Sstevel@tonic-gate { 125*0Sstevel@tonic-gate nss_XbyY_args_t arg; 126*0Sstevel@tonic-gate nss_status_t res; 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate trace2(TR_getrpcbyent_r, 0, buflen); 129*0Sstevel@tonic-gate NSS_XbyY_INIT(&arg, result, buffer, buflen, str2rpcent); 130*0Sstevel@tonic-gate /* No key, no stayopen */ 131*0Sstevel@tonic-gate res = nss_getent(&db_root, _nss_initf_rpc, &context, &arg); 132*0Sstevel@tonic-gate arg.status = res; 133*0Sstevel@tonic-gate NSS_XbyY_FINI(&arg); 134*0Sstevel@tonic-gate trace2(TR_getrpcbyent_r, 1, buflen); 135*0Sstevel@tonic-gate return (struct rpcent *) arg.returnval; 136*0Sstevel@tonic-gate } 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate int 139*0Sstevel@tonic-gate str2rpcent(instr, lenstr, ent, buffer, buflen) 140*0Sstevel@tonic-gate const char *instr; 141*0Sstevel@tonic-gate int lenstr; 142*0Sstevel@tonic-gate void *ent; 143*0Sstevel@tonic-gate char *buffer; 144*0Sstevel@tonic-gate int buflen; 145*0Sstevel@tonic-gate { 146*0Sstevel@tonic-gate struct rpcent *rpc = (struct rpcent *)ent; 147*0Sstevel@tonic-gate const char *p, *numstart, *limit, *namestart; 148*0Sstevel@tonic-gate ssize_t numlen, namelen = 0; 149*0Sstevel@tonic-gate char numbuf[12]; 150*0Sstevel@tonic-gate char *numend; 151*0Sstevel@tonic-gate 152*0Sstevel@tonic-gate trace3(TR_str2rpcent, 0, lenstr, buflen); 153*0Sstevel@tonic-gate if ((instr >= buffer && (buffer + buflen) > instr) 154*0Sstevel@tonic-gate || (buffer >= instr && (instr + lenstr) > buffer)) { 155*0Sstevel@tonic-gate trace3(TR_str2rpcent, 1, lenstr, buflen); 156*0Sstevel@tonic-gate return NSS_STR_PARSE_PARSE; 157*0Sstevel@tonic-gate } 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate p = instr; 160*0Sstevel@tonic-gate limit = p + lenstr; 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate while (p < limit && isspace(*p)) { 163*0Sstevel@tonic-gate p++; 164*0Sstevel@tonic-gate } 165*0Sstevel@tonic-gate namestart = p; 166*0Sstevel@tonic-gate while (p < limit && !isspace(*p)) { 167*0Sstevel@tonic-gate p++; /* Skip over the canonical name */ 168*0Sstevel@tonic-gate } 169*0Sstevel@tonic-gate namelen = p - namestart; 170*0Sstevel@tonic-gate 171*0Sstevel@tonic-gate if (buflen <= namelen) { /* not enough buffer */ 172*0Sstevel@tonic-gate trace3(TR_str2rpcent, 1, lenstr, buflen); 173*0Sstevel@tonic-gate return NSS_STR_PARSE_ERANGE; 174*0Sstevel@tonic-gate } 175*0Sstevel@tonic-gate (void) memcpy(buffer, namestart, namelen); 176*0Sstevel@tonic-gate buffer[namelen] = '\0'; 177*0Sstevel@tonic-gate rpc->r_name = buffer; 178*0Sstevel@tonic-gate 179*0Sstevel@tonic-gate while (p < limit && isspace(*p)) { 180*0Sstevel@tonic-gate p++; 181*0Sstevel@tonic-gate } 182*0Sstevel@tonic-gate if (p >= limit) { 183*0Sstevel@tonic-gate /* Syntax error -- no RPC number */ 184*0Sstevel@tonic-gate trace3(TR_str2rpcent, 1, lenstr, buflen); 185*0Sstevel@tonic-gate return NSS_STR_PARSE_PARSE; 186*0Sstevel@tonic-gate } 187*0Sstevel@tonic-gate numstart = p; 188*0Sstevel@tonic-gate do { 189*0Sstevel@tonic-gate p++; /* Find the end of the RPC number */ 190*0Sstevel@tonic-gate } while (p < limit && !isspace(*p)); 191*0Sstevel@tonic-gate numlen = p - numstart; 192*0Sstevel@tonic-gate if (numlen >= sizeof (numbuf)) { 193*0Sstevel@tonic-gate /* Syntax error -- supposed number is too long */ 194*0Sstevel@tonic-gate trace3(TR_str2rpcent, 1, lenstr, buflen); 195*0Sstevel@tonic-gate return NSS_STR_PARSE_PARSE; 196*0Sstevel@tonic-gate } 197*0Sstevel@tonic-gate (void) memcpy(numbuf, numstart, numlen); 198*0Sstevel@tonic-gate numbuf[numlen] = '\0'; 199*0Sstevel@tonic-gate rpc->r_number = (int)strtol(numbuf, &numend, 10); 200*0Sstevel@tonic-gate if (*numend != '\0') { 201*0Sstevel@tonic-gate trace3(TR_str2rpcent, 1, lenstr, buflen); 202*0Sstevel@tonic-gate return NSS_STR_PARSE_PARSE; 203*0Sstevel@tonic-gate } 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate while (p < limit && isspace(*p)) { 206*0Sstevel@tonic-gate p++; 207*0Sstevel@tonic-gate } 208*0Sstevel@tonic-gate /* 209*0Sstevel@tonic-gate * Although nss_files_XY_all calls us with # stripped, 210*0Sstevel@tonic-gate * we should be able to deal with it here in order to 211*0Sstevel@tonic-gate * be more useful. 212*0Sstevel@tonic-gate */ 213*0Sstevel@tonic-gate if (p >= limit || *p == '#') { /* no aliases, no problem */ 214*0Sstevel@tonic-gate char **ptr; 215*0Sstevel@tonic-gate 216*0Sstevel@tonic-gate ptr = (char **) ROUND_UP(buffer + namelen + 1, 217*0Sstevel@tonic-gate sizeof (char *)); 218*0Sstevel@tonic-gate if ((char *)ptr >= buffer + buflen) { 219*0Sstevel@tonic-gate rpc->r_aliases = 0; /* hope they don't try to peek in */ 220*0Sstevel@tonic-gate trace3(TR_str2rpcent, 1, lenstr, buflen); 221*0Sstevel@tonic-gate return NSS_STR_PARSE_ERANGE; 222*0Sstevel@tonic-gate } else { 223*0Sstevel@tonic-gate *ptr = 0; 224*0Sstevel@tonic-gate rpc->r_aliases = ptr; 225*0Sstevel@tonic-gate trace3(TR_str2rpcent, 1, lenstr, buflen); 226*0Sstevel@tonic-gate return NSS_STR_PARSE_SUCCESS; 227*0Sstevel@tonic-gate } 228*0Sstevel@tonic-gate } 229*0Sstevel@tonic-gate rpc->r_aliases = _nss_netdb_aliases(p, (int)(lenstr - (p - instr)), 230*0Sstevel@tonic-gate buffer + namelen + 1, (int)(buflen - namelen - 1)); 231*0Sstevel@tonic-gate trace3(TR_str2rpcent, 1, lenstr, buflen); 232*0Sstevel@tonic-gate return NSS_STR_PARSE_SUCCESS; 233*0Sstevel@tonic-gate } 234