1 /* 2 * Copyright (c) 1995, 1996 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 35 #include <stdio.h> 36 #include <string.h> 37 #include <fcntl.h> 38 #include <sys/param.h> 39 #include <sys/types.h> 40 #include <sys/stat.h> 41 #include <limits.h> 42 #include <stdlib.h> 43 #include <unistd.h> 44 #include <errno.h> 45 #include <time.h> 46 #include <err.h> 47 #include <rpc/rpc.h> 48 #include <rpcsvc/yp.h> 49 #include "yp_extern.h" 50 #include "ypxfr_extern.h" 51 52 #ifndef lint 53 static const char rcsid[] = "$FreeBSD$"; 54 #endif 55 56 char *yp_dir = ""; /* No particular default needed. */ 57 char *progname = "yp_mkdb"; 58 int _rpcpmstart = 0; 59 int debug = 1; 60 61 static void usage() 62 { 63 fprintf(stderr, "usage: %s -c\n", progname); 64 fprintf(stderr, "usage: %s -u dbname\n", progname); 65 fprintf(stderr, "usage: %s [-c] [-b] [-s] [-i inputfile] \ 66 [-o outputfile]\n", progname); 67 fprintf(stderr, " [-d domainname ] [-m mastername] \ 68 inputfile dbname\n"); 69 exit(1); 70 } 71 72 #define PERM_SECURE (S_IRUSR|S_IWUSR) 73 74 static DB *open_db(path, flags) 75 char *path; 76 int flags; 77 { 78 extern HASHINFO openinfo; 79 80 return(dbopen(path, flags, PERM_SECURE, DB_HASH, &openinfo)); 81 } 82 83 static void unwind(map) 84 char *map; 85 { 86 DB *dbp; 87 DBT key, data; 88 89 dbp = open_db(map, O_RDONLY); 90 91 if (dbp == NULL) 92 err(1, "open_db(%s) failed", map); 93 94 key.data = NULL; 95 while(yp_next_record(dbp, &key, &data, 1, 1) == YP_TRUE) 96 printf("%.*s %.*s\n", key.size,key.data,data.size,data.data); 97 98 (void)(dbp->close)(dbp); 99 return; 100 } 101 102 main (argc, argv) 103 int argc; 104 char *argv[]; 105 { 106 int ch; 107 int un = 0; 108 int clear = 0; 109 char *infile = NULL; 110 char *map = NULL; 111 char *domain = NULL; 112 char *infilename = NULL; 113 char *outfilename = NULL; 114 char *mastername = NULL; 115 int interdom = 0; 116 int secure = 0; 117 DB *dbp; 118 DBT key, data; 119 char buf[10240]; 120 char *keybuf, *datbuf; 121 FILE *ifp; 122 char hname[MAXHOSTNAMELEN + 2]; 123 124 while ((ch = getopt(argc, argv, "uhcbsd:i:o:m:")) != EOF) { 125 switch(ch) { 126 case 'u': 127 un++; 128 break; 129 case 'c': 130 clear++; 131 break; 132 case 'b': 133 interdom++; 134 break; 135 case 's': 136 secure++; 137 break; 138 case 'd': 139 domain = optarg; 140 break; 141 case 'i': 142 infilename = optarg; 143 break; 144 case 'o': 145 outfilename = optarg; 146 break; 147 case 'm': 148 mastername = optarg; 149 break; 150 case 'h': 151 default: 152 usage(); 153 break; 154 } 155 } 156 157 argc -= optind; 158 argv += optind; 159 160 if (un) { 161 map = argv[0]; 162 if (map == NULL) 163 usage(); 164 unwind(map); 165 exit(0); 166 167 } 168 169 infile = argv[0]; 170 map = argv[1]; 171 172 if (infile == NULL || map == NULL) { 173 if (clear) 174 goto doclear; 175 usage(); 176 } 177 178 if (mastername == NULL) { 179 if (gethostname((char *)&hname, sizeof(hname)) == -1) 180 err(1, "gethostname() failed"); 181 mastername = (char *)&hname; 182 } 183 184 /* 185 * Note that while we can read from stdin, we can't 186 * write to stdout; the db library doesn't let you 187 * write to a file stream like that. 188 */ 189 190 if (!strcmp(infile, "-")) { 191 ifp = stdin; 192 } else { 193 if ((ifp = fopen(infile, "r")) == NULL) 194 err(1, "failed to open %s", infile); 195 } 196 197 if ((dbp = open_db(map, O_RDWR|O_EXLOCK|O_EXCL|O_CREAT)) == NULL) 198 err(1, "open_db(%s) failed", map); 199 200 if (interdom) { 201 key.data = "YP_INTERDOMAIN"; 202 key.size = sizeof("YP_INTERDOMAIN") - 1; 203 data.data = ""; 204 data.size = 0; 205 yp_put_record(dbp, &key, &data, 0); 206 } 207 208 if (secure) { 209 key.data = "YP_SECURE"; 210 key.size = sizeof("YP_SECURE") - 1; 211 data.data = ""; 212 data.size = 0; 213 yp_put_record(dbp, &key, &data, 0); 214 } 215 216 key.data = "YP_MASTER_NAME"; 217 key.size = sizeof("YP_MASTER_NAME") - 1; 218 data.data = mastername; 219 data.size = strlen(mastername); 220 yp_put_record(dbp, &key, &data, 0); 221 222 key.data = "YP_LAST_MODIFIED"; 223 key.size = sizeof("YP_LAST_MODIFIED") - 1; 224 snprintf(buf, sizeof(buf), "%lu", time(NULL)); 225 data.data = (char *)&buf; 226 data.size = strlen(buf); 227 yp_put_record(dbp, &key, &data, 0); 228 229 if (infilename) { 230 key.data = "YP_INPUT_FILE"; 231 key.size = sizeof("YP_INPUT_FILE") - 1; 232 data.data = infilename; 233 data.size = strlen(infilename); 234 yp_put_record(dbp, &key, &data, 0); 235 } 236 237 if (outfilename) { 238 key.data = "YP_OUTPUT_FILE"; 239 key.size = sizeof("YP_OUTPUT_FILE") - 1; 240 data.data = outfilename; 241 data.size = strlen(outfilename); 242 yp_put_record(dbp, &key, &data, 0); 243 } 244 245 if (domain) { 246 key.data = "YP_DOMAIN_NAME"; 247 key.size = sizeof("YP_DOMAIN_NAME") - 1; 248 data.data = domain; 249 data.size = strlen(domain); 250 yp_put_record(dbp, &key, &data, 0); 251 } 252 253 while(fgets((char *)&buf, sizeof(buf), ifp)) { 254 char *sep = NULL; 255 int rval; 256 257 /* NUL terminate */ 258 if ((sep = strchr(buf, '\n'))) 259 *sep = '\0'; 260 261 /* handle backslash line continuations */ 262 while(buf[strlen(buf) - 1] == '\\') { 263 fgets((char *)&buf[strlen(buf) - 1], 264 sizeof(buf) - strlen(buf), ifp); 265 if ((sep = strchr(buf, '\n'))) 266 *sep = '\0'; 267 } 268 269 /* find the separation between the key and data */ 270 if ((sep = strpbrk(buf, " \t")) == NULL) { 271 warnx("bad input -- no white space: %s", buf); 272 continue; 273 } 274 275 /* separate the strings */ 276 keybuf = (char *)&buf; 277 datbuf = sep + 1; 278 *sep = '\0'; 279 280 /* set datbuf to start at first non-whitespace character */ 281 while (*datbuf == ' ' || *datbuf == '\t') 282 datbuf++; 283 284 /* Check for silliness. */ 285 if (*keybuf == '+' || *keybuf == '-' || 286 *datbuf == '+' || *datbuf == '-') { 287 warnx("bad character at start of line: %s", buf); 288 continue; 289 } 290 291 if (strlen(keybuf) > YPMAXRECORD) { 292 warnx("key too long: %s", keybuf); 293 continue; 294 } 295 296 if (!strlen(keybuf)) { 297 warnx("no key -- check source file for blank lines"); 298 continue; 299 } 300 301 if (strlen(datbuf) > YPMAXRECORD) { 302 warnx("data too long: %s", datbuf); 303 continue; 304 } 305 306 key.data = keybuf; 307 key.size = strlen(keybuf); 308 data.data = datbuf; 309 data.size = strlen(datbuf); 310 311 if ((rval = yp_put_record(dbp, &key, &data, 0)) != YP_TRUE) { 312 switch(rval) { 313 case YP_FALSE: 314 warnx("duplicate key '%s' - skipping", keybuf); 315 break; 316 case YP_BADDB: 317 default: 318 err(1,"failed to write new record - exiting"); 319 break; 320 } 321 } 322 323 } 324 325 (void)(dbp->close)(dbp); 326 327 doclear: 328 329 if (clear) { 330 char in = 0; 331 char *out = NULL; 332 int stat; 333 if ((stat = callrpc("localhost",YPPROG,YPVERS,YPPROC_CLEAR, 334 xdr_void, (void *)&in, 335 xdr_void, (void *)out)) != RPC_SUCCESS) { 336 warnx("failed to send 'clear' to local ypserv: %s", 337 clnt_sperrno((enum clnt_stat) stat)); 338 } 339 } 340 341 exit(0); 342 } 343