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) 1986-1999 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <stdio.h> 30*0Sstevel@tonic-gate #include <errno.h> 31*0Sstevel@tonic-gate #include <netconfig.h> 32*0Sstevel@tonic-gate #include <netdir.h> 33*0Sstevel@tonic-gate #include <rpc/rpc.h> 34*0Sstevel@tonic-gate #include <sys/file.h> 35*0Sstevel@tonic-gate #include <sys/param.h> 36*0Sstevel@tonic-gate #include "ypxfrd.h" 37*0Sstevel@tonic-gate #include <ndbm.h> 38*0Sstevel@tonic-gate #include <rpcsvc/yp_prot.h> 39*0Sstevel@tonic-gate #include <rpcsvc/nis.h> 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #include <sys/isa_defs.h> /* for ENDIAN defines */ 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #if defined(_LITTLE_ENDIAN) 44*0Sstevel@tonic-gate #define DOSWAB 1 45*0Sstevel@tonic-gate #endif 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate static struct timeval TIMEOUT = {25, 0}; 48*0Sstevel@tonic-gate static DBM *db; 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate extern bool secure_map; 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate /* delete the dbm file with name file */ 53*0Sstevel@tonic-gate static 54*0Sstevel@tonic-gate dbm_deletefile(file) 55*0Sstevel@tonic-gate char *file; 56*0Sstevel@tonic-gate { 57*0Sstevel@tonic-gate char pag1[MAXPATHLEN]; 58*0Sstevel@tonic-gate char dir1[MAXPATHLEN]; 59*0Sstevel@tonic-gate int err; 60*0Sstevel@tonic-gate strcpy(pag1, file); 61*0Sstevel@tonic-gate strcat(pag1, ".pag"); 62*0Sstevel@tonic-gate strcpy(dir1, file); 63*0Sstevel@tonic-gate strcat(dir1, ".dir"); 64*0Sstevel@tonic-gate err = 0; 65*0Sstevel@tonic-gate if (unlink(pag1) < 0) { 66*0Sstevel@tonic-gate perror("unlinkpag"); 67*0Sstevel@tonic-gate err = -1; 68*0Sstevel@tonic-gate } 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate if (unlink(dir1) < 0) { 71*0Sstevel@tonic-gate perror("unlinkdir"); 72*0Sstevel@tonic-gate return (-1); 73*0Sstevel@tonic-gate } 74*0Sstevel@tonic-gate return (err); 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate /* xdr just the .pag file of a dbm file */ 78*0Sstevel@tonic-gate static bool_t 79*0Sstevel@tonic-gate xdr_pages(xdrs, objp) 80*0Sstevel@tonic-gate XDR *xdrs; 81*0Sstevel@tonic-gate { 82*0Sstevel@tonic-gate static struct pag res; 83*0Sstevel@tonic-gate struct pag *PAG; 84*0Sstevel@tonic-gate #ifdef DOSWAB 85*0Sstevel@tonic-gate short *s; 86*0Sstevel@tonic-gate int i; 87*0Sstevel@tonic-gate #endif 88*0Sstevel@tonic-gate bool_t more; 89*0Sstevel@tonic-gate bool_t goteof; 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate goteof = FALSE; 92*0Sstevel@tonic-gate if (!xdr_pag(xdrs, &res)) 93*0Sstevel@tonic-gate return (FALSE); 94*0Sstevel@tonic-gate PAG = &res; 95*0Sstevel@tonic-gate while (1) { 96*0Sstevel@tonic-gate if (PAG->status == OK) { 97*0Sstevel@tonic-gate #ifdef DOSWAB 98*0Sstevel@tonic-gate s = (short *)PAG->pag_u.ok.blkdat; 99*0Sstevel@tonic-gate s[0] = ntohs(s[0]); 100*0Sstevel@tonic-gate for (i = 1; i <= s[0]; i++) 101*0Sstevel@tonic-gate s[i] = ntohs(s[i]); 102*0Sstevel@tonic-gate #endif 103*0Sstevel@tonic-gate errno = 0; 104*0Sstevel@tonic-gate lseek(db->dbm_pagf, 105*0Sstevel@tonic-gate PAG->pag_u.ok.blkno * PBLKSIZ, L_SET); 106*0Sstevel@tonic-gate if (errno != 0) { 107*0Sstevel@tonic-gate perror("seek"); 108*0Sstevel@tonic-gate exit(-1); 109*0Sstevel@tonic-gate } 110*0Sstevel@tonic-gate if (write(db->dbm_pagf, 111*0Sstevel@tonic-gate PAG->pag_u.ok.blkdat, PBLKSIZ) < 0) { 112*0Sstevel@tonic-gate perror("write"); 113*0Sstevel@tonic-gate exit(-1); 114*0Sstevel@tonic-gate } 115*0Sstevel@tonic-gate } else if (PAG->status == GETDBM_ERROR) { 116*0Sstevel@tonic-gate printf("clnt call getpag GETDBM_ERROR\n"); 117*0Sstevel@tonic-gate exit(-1); 118*0Sstevel@tonic-gate } else if (PAG->status == GETDBM_EOF) 119*0Sstevel@tonic-gate goteof = TRUE; 120*0Sstevel@tonic-gate if (!xdr_bool(xdrs, &more)) 121*0Sstevel@tonic-gate return (FALSE); 122*0Sstevel@tonic-gate if (more == FALSE) 123*0Sstevel@tonic-gate return (goteof); 124*0Sstevel@tonic-gate if (!xdr_pag(xdrs, &res)) 125*0Sstevel@tonic-gate return (FALSE); 126*0Sstevel@tonic-gate } 127*0Sstevel@tonic-gate } 128*0Sstevel@tonic-gate /* xdr just the .dir part of a dbm file */ 129*0Sstevel@tonic-gate static bool_t 130*0Sstevel@tonic-gate xdr_dirs(xdrs, objp) 131*0Sstevel@tonic-gate XDR *xdrs; 132*0Sstevel@tonic-gate { 133*0Sstevel@tonic-gate static struct dir res; 134*0Sstevel@tonic-gate struct dir *DIR; 135*0Sstevel@tonic-gate bool_t more; 136*0Sstevel@tonic-gate bool_t goteof; 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate goteof = FALSE; 139*0Sstevel@tonic-gate if (!xdr_dir(xdrs, &res)) 140*0Sstevel@tonic-gate return (FALSE); 141*0Sstevel@tonic-gate DIR = &res; 142*0Sstevel@tonic-gate while (1) { 143*0Sstevel@tonic-gate if (DIR->status == OK) { 144*0Sstevel@tonic-gate errno = 0; 145*0Sstevel@tonic-gate lseek(db->dbm_dirf, 146*0Sstevel@tonic-gate DIR->dir_u.ok.blkno * DBLKSIZ, L_SET); 147*0Sstevel@tonic-gate if (errno != 0) { 148*0Sstevel@tonic-gate perror("seek"); 149*0Sstevel@tonic-gate exit(-1); 150*0Sstevel@tonic-gate } 151*0Sstevel@tonic-gate if (write(db->dbm_dirf, 152*0Sstevel@tonic-gate DIR->dir_u.ok.blkdat, DBLKSIZ) < 0) { 153*0Sstevel@tonic-gate perror("write"); 154*0Sstevel@tonic-gate exit(-1); 155*0Sstevel@tonic-gate } 156*0Sstevel@tonic-gate } else if (DIR->status == GETDBM_ERROR) { 157*0Sstevel@tonic-gate printf("clnt call getdir GETDBM_ERROR\n"); 158*0Sstevel@tonic-gate exit(-1); 159*0Sstevel@tonic-gate } else if (DIR->status == GETDBM_EOF) 160*0Sstevel@tonic-gate goteof = TRUE; 161*0Sstevel@tonic-gate if (!xdr_bool(xdrs, &more)) 162*0Sstevel@tonic-gate return (FALSE); 163*0Sstevel@tonic-gate if (more == FALSE) 164*0Sstevel@tonic-gate return (goteof); 165*0Sstevel@tonic-gate if (!xdr_dir(xdrs, &res)) 166*0Sstevel@tonic-gate return (FALSE); 167*0Sstevel@tonic-gate } 168*0Sstevel@tonic-gate } 169*0Sstevel@tonic-gate 170*0Sstevel@tonic-gate /* 171*0Sstevel@tonic-gate * xdr a dbm file from ypxfrd 172*0Sstevel@tonic-gate * note that if the client or server do not support ndbm 173*0Sstevel@tonic-gate * we may not use this optional protocol 174*0Sstevel@tonic-gate */ 175*0Sstevel@tonic-gate 176*0Sstevel@tonic-gate xdr_myfyl(xdrs, objp) 177*0Sstevel@tonic-gate XDR *xdrs; 178*0Sstevel@tonic-gate int *objp; 179*0Sstevel@tonic-gate { 180*0Sstevel@tonic-gate if (!xdr_answer(xdrs, (answer *)objp)) 181*0Sstevel@tonic-gate return (FALSE); 182*0Sstevel@tonic-gate 183*0Sstevel@tonic-gate if (*objp != OK) 184*0Sstevel@tonic-gate return (TRUE); 185*0Sstevel@tonic-gate 186*0Sstevel@tonic-gate if (!xdr_pages(xdrs, NULL)) 187*0Sstevel@tonic-gate return (FALSE); 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate if (!xdr_dirs(xdrs, NULL)) 190*0Sstevel@tonic-gate return (FALSE); 191*0Sstevel@tonic-gate 192*0Sstevel@tonic-gate return (TRUE); 193*0Sstevel@tonic-gate } 194*0Sstevel@tonic-gate 195*0Sstevel@tonic-gate ypxfrd_getdbm(tempmap, master, domain, map) 196*0Sstevel@tonic-gate char *tempmap; 197*0Sstevel@tonic-gate char *master; 198*0Sstevel@tonic-gate char *domain; 199*0Sstevel@tonic-gate char *map; 200*0Sstevel@tonic-gate { 201*0Sstevel@tonic-gate hosereq rmap; 202*0Sstevel@tonic-gate CLIENT *clnt; 203*0Sstevel@tonic-gate int res; 204*0Sstevel@tonic-gate int recvsiz = 24 * 1024; 205*0Sstevel@tonic-gate struct netconfig *nconf; 206*0Sstevel@tonic-gate int fd; 207*0Sstevel@tonic-gate struct netbuf *svcaddr; 208*0Sstevel@tonic-gate struct t_bind *tbind; 209*0Sstevel@tonic-gate char *netid[] = { "tcp6", "tcp" }; 210*0Sstevel@tonic-gate int i, lastnetid = (sizeof (netid)/sizeof (netid[0])) - 1; 211*0Sstevel@tonic-gate 212*0Sstevel@tonic-gate for (i = 0; i <= lastnetid; i++) { 213*0Sstevel@tonic-gate if ((nconf = getnetconfigent(netid[i])) == NULL) { 214*0Sstevel@tonic-gate if (i != lastnetid) 215*0Sstevel@tonic-gate continue; 216*0Sstevel@tonic-gate logprintf("ypxfr: tcp transport not supported\n"); 217*0Sstevel@tonic-gate return (-1); 218*0Sstevel@tonic-gate } 219*0Sstevel@tonic-gate if ((fd = t_open(nconf->nc_device, O_RDWR, NULL)) == -1) { 220*0Sstevel@tonic-gate freenetconfigent(nconf); 221*0Sstevel@tonic-gate if (i != lastnetid) 222*0Sstevel@tonic-gate continue; 223*0Sstevel@tonic-gate logprintf("ypxfr: TLI problems\n"); 224*0Sstevel@tonic-gate return (-1); 225*0Sstevel@tonic-gate } 226*0Sstevel@tonic-gate if (secure_map == TRUE) { 227*0Sstevel@tonic-gate if (netdir_options(nconf, ND_SET_RESERVEDPORT, fd, 228*0Sstevel@tonic-gate NULL) == -1) { 229*0Sstevel@tonic-gate (void) close(fd); 230*0Sstevel@tonic-gate freenetconfigent(nconf); 231*0Sstevel@tonic-gate if (i != lastnetid) 232*0Sstevel@tonic-gate continue; 233*0Sstevel@tonic-gate logprintf( 234*0Sstevel@tonic-gate "ypxfr: cannot bind to reserved port for %s\n%s\n", 235*0Sstevel@tonic-gate netid[i], netdir_sperror("")); 236*0Sstevel@tonic-gate return (-1); 237*0Sstevel@tonic-gate } 238*0Sstevel@tonic-gate } 239*0Sstevel@tonic-gate 240*0Sstevel@tonic-gate if ((tbind = (struct t_bind *)t_alloc(fd, T_BIND, T_ADDR)) == 241*0Sstevel@tonic-gate NULL) { 242*0Sstevel@tonic-gate (void) close(fd); 243*0Sstevel@tonic-gate freenetconfigent(nconf); 244*0Sstevel@tonic-gate if (i != lastnetid) 245*0Sstevel@tonic-gate continue; 246*0Sstevel@tonic-gate logprintf("ypxfr: TLI problems\n"); 247*0Sstevel@tonic-gate return (-1); 248*0Sstevel@tonic-gate } 249*0Sstevel@tonic-gate svcaddr = &(tbind->addr); 250*0Sstevel@tonic-gate if (rpcb_getaddr(YPXFRD, 1, nconf, svcaddr, master) 251*0Sstevel@tonic-gate == FALSE) { 252*0Sstevel@tonic-gate (void) t_free((char *)tbind, T_BIND); 253*0Sstevel@tonic-gate (void) close(fd); 254*0Sstevel@tonic-gate freenetconfigent(nconf); 255*0Sstevel@tonic-gate if (i != lastnetid) 256*0Sstevel@tonic-gate continue; 257*0Sstevel@tonic-gate logprintf("ypxfr: couldnot get %s address\n", master); 258*0Sstevel@tonic-gate return (-1); 259*0Sstevel@tonic-gate } 260*0Sstevel@tonic-gate if ((clnt = __nis_clnt_create(fd, nconf, 0, svcaddr, 0, 261*0Sstevel@tonic-gate YPXFRD, 1, recvsiz, 0)) == 0) { 262*0Sstevel@tonic-gate (void) t_free((char *)tbind, T_BIND); 263*0Sstevel@tonic-gate (void) close(fd); 264*0Sstevel@tonic-gate freenetconfigent(nconf); 265*0Sstevel@tonic-gate if (i != lastnetid) 266*0Sstevel@tonic-gate continue; 267*0Sstevel@tonic-gate clnt_pcreateerror( 268*0Sstevel@tonic-gate "ypxfr (get_map) - TCP channel create failure"); 269*0Sstevel@tonic-gate return (-1); 270*0Sstevel@tonic-gate } 271*0Sstevel@tonic-gate (void) t_free((char *)tbind, T_BIND); 272*0Sstevel@tonic-gate break; 273*0Sstevel@tonic-gate } 274*0Sstevel@tonic-gate (void) CLNT_CONTROL(clnt, CLSET_FD_CLOSE, (char *)NULL); 275*0Sstevel@tonic-gate 276*0Sstevel@tonic-gate rmap.map = map; 277*0Sstevel@tonic-gate rmap.domain = domain; 278*0Sstevel@tonic-gate memset((char *) &res, 0, sizeof (res)); 279*0Sstevel@tonic-gate db = dbm_open(tempmap, O_RDWR + O_CREAT + O_TRUNC, 0777); 280*0Sstevel@tonic-gate if (db == NULL) { 281*0Sstevel@tonic-gate logprintf("dbm_open failed %s\n", tempmap); 282*0Sstevel@tonic-gate perror(tempmap); 283*0Sstevel@tonic-gate return (-2); 284*0Sstevel@tonic-gate } 285*0Sstevel@tonic-gate 286*0Sstevel@tonic-gate if (clnt_call(clnt, getdbm, xdr_hosereq, (char *)&rmap, xdr_myfyl, 287*0Sstevel@tonic-gate (char *)&res, TIMEOUT) != RPC_SUCCESS) { 288*0Sstevel@tonic-gate logprintf("clnt call to ypxfrd getdbm failed.\n"); 289*0Sstevel@tonic-gate clnt_perror(clnt, "getdbm"); 290*0Sstevel@tonic-gate dbm_deletefile(tempmap); 291*0Sstevel@tonic-gate return (-3); 292*0Sstevel@tonic-gate } 293*0Sstevel@tonic-gate if (res != OK) { 294*0Sstevel@tonic-gate logprintf("clnt call %s ypxfrd getdbm NOTOK %s %s code=%d\n", 295*0Sstevel@tonic-gate master, domain, map, res); 296*0Sstevel@tonic-gate dbm_deletefile(tempmap); 297*0Sstevel@tonic-gate return (-4); 298*0Sstevel@tonic-gate } 299*0Sstevel@tonic-gate return (0); 300*0Sstevel@tonic-gate 301*0Sstevel@tonic-gate } 302