makedbm.c revision 1.6
1 /* $NetBSD: makedbm.c,v 1.6 1997/10/13 03:47:09 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Mats O Jansson <moj (at) stacken.kth.se> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Mats O Jansson 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 #ifndef lint 36 __RCSID("$NetBSD: makedbm.c,v 1.6 1997/10/13 03:47:09 lukem Exp $"); 37 #endif 38 39 #include <sys/param.h> 40 #include <sys/stat.h> 41 42 #include <ctype.h> 43 #include <err.h> 44 #include <errno.h> 45 #include <fcntl.h> 46 #include <stdio.h> 47 #include <strings.h> 48 #include <unistd.h> 49 50 #include <rpc/rpc.h> 51 #include <rpc/xdr.h> 52 53 #include "protos.h" 54 #include "ypdb.h" 55 #include "ypdef.h" 56 57 extern char *__progname; /* from crt0.o */ 58 59 int main __P((int, char *[])); 60 void usage __P((void)); 61 void add_record __P((DBM *, char *, char *, int)); 62 char *file_date __P((char *)); 63 void list_database __P((char *)); 64 void create_database __P((char *, char *, char *, char *, 65 char *, char *, int, int, int)); 66 67 int 68 main(argc, argv) 69 int argc; 70 char *argv[]; 71 { 72 int aflag, uflag, bflag, lflag, sflag; 73 char *yp_input_file, *yp_output_file; 74 char *yp_master_name, *yp_domain_name; 75 char *infile, *outfile; 76 int ch; 77 78 yp_input_file = yp_output_file = NULL; 79 yp_master_name = yp_domain_name = NULL; 80 aflag = uflag = bflag = lflag = sflag = 0; 81 infile = outfile = NULL; 82 83 while ((ch = getopt(argc, argv, "blsui:o:m:d:")) != -1) { 84 switch (ch) { 85 case 'b': 86 bflag = aflag = 1; 87 break; 88 89 case 'l': 90 lflag = aflag = 1; 91 break; 92 93 case 's': 94 sflag = aflag = 1; 95 break; 96 97 case 'i': 98 yp_input_file = optarg; 99 aflag = 1; 100 break; 101 102 case 'o': 103 yp_output_file = optarg; 104 aflag = 1; 105 break; 106 107 case 'm': 108 yp_master_name = optarg; 109 aflag = 1; 110 break; 111 112 case 'd': 113 yp_domain_name = optarg; 114 aflag = 1; 115 break; 116 117 case 'u': 118 uflag = 1; 119 break; 120 121 default: 122 usage(); 123 } 124 } 125 argc -= optind; argv += optind; 126 127 if ((uflag != 0) && (aflag != 0)) 128 usage(); 129 else { 130 if (uflag != 0) { 131 if (argc == 1) 132 infile = argv[0]; 133 else 134 usage(); 135 } else { 136 if (argc == 2) { 137 infile = argv[0]; 138 outfile = argv[1]; 139 } else 140 usage(); 141 } 142 } 143 144 if (uflag != 0) 145 list_database(infile); 146 else 147 create_database(infile, outfile, 148 yp_input_file, yp_output_file, yp_master_name, 149 yp_domain_name, bflag, lflag, sflag); 150 151 exit(0); 152 } 153 154 void 155 add_record(db, str1, str2, check) 156 DBM *db; 157 char *str1, *str2; 158 int check; 159 { 160 datum key, val; 161 int status; 162 163 key.dptr = str1; 164 key.dsize = strlen(str1); 165 166 if (check) { 167 val = ypdb_fetch(db, key); 168 169 if (val.dptr != NULL) 170 return; /* already there */ 171 } 172 val.dptr = str2; 173 val.dsize = strlen(str2); 174 status = ypdb_store(db, key, val, YPDB_INSERT); 175 176 if (status != 0) 177 errx(1, "can't store `%s %s'", str1, str2); 178 } 179 180 char * 181 file_date(filename) 182 char *filename; 183 { 184 struct stat finfo; 185 static char datestr[11]; 186 187 memset(datestr, 0, sizeof(datestr)); 188 189 if (strcmp(filename, "-") == 0) 190 snprintf(datestr, sizeof(datestr), "%010d", 191 (int)time(NULL)); 192 else { 193 if (stat(filename, &finfo) != 0) 194 err(1, "can't stat %s", filename); 195 snprintf(datestr, sizeof(datestr), "%010d", 196 (int)finfo.st_mtime); 197 } 198 199 return datestr; 200 } 201 202 void 203 list_database(database) 204 char *database; 205 { 206 DBM *db; 207 datum key, val; 208 209 db = ypdb_open(database, O_RDONLY, 0444); 210 if (db == NULL) 211 err(1, "can't open database `%s'", database); 212 213 key = ypdb_firstkey(db); 214 215 while (key.dptr != NULL) { 216 val = ypdb_fetch(db, key); 217 /* workround trailing \0 in aliases.db */ 218 if (key.dptr[key.dsize - 1] == '\0') 219 key.dsize--; 220 if (val.dptr[val.dsize - 1] == '\0') 221 val.dsize--; 222 printf("%*.*s %*.*s\n", 223 key.dsize, key.dsize, key.dptr, 224 val.dsize, val.dsize, val.dptr); 225 key = ypdb_nextkey(db); 226 } 227 228 ypdb_close(db); 229 } 230 231 void 232 create_database(infile, database, yp_input_file, yp_output_file, 233 yp_master_name, yp_domain_name, bflag, lflag, sflag) 234 char *infile, *database, *yp_input_file, *yp_output_file; 235 char *yp_master_name, *yp_domain_name; 236 int bflag, lflag, sflag; 237 { 238 FILE *data_file; 239 char data_line[4096]; /* XXX: DB bsize = 4096 in ypdb.c */ 240 char myname[MAXHOSTNAMELEN]; 241 int line_no = 0; 242 int len; 243 char *p, *k, *v, *slash; 244 DBM *new_db; 245 static char mapname[] = "ypdbXXXXXX"; 246 char db_mapname[MAXPATHLEN + 1], db_outfile[MAXPATHLEN + 1]; 247 char db_tempname[MAXPATHLEN + 1]; 248 char empty_str[] = ""; 249 250 memset(db_mapname, 0, sizeof(db_mapname)); 251 memset(db_outfile, 0, sizeof(db_outfile)); 252 memset(db_tempname, 0, sizeof(db_tempname)); 253 254 if (strcmp(infile, "-") == 0) 255 data_file = stdin; 256 else { 257 data_file = fopen(infile, "r"); 258 if (data_file == NULL) 259 err(1, "can't open `%s'", infile); 260 } 261 262 if (strlen(database) + strlen(YPDB_SUFFIX) > MAXPATHLEN) 263 errx(1, "file name `%s' too long\n", database); 264 265 snprintf(db_outfile, sizeof(db_outfile), "%s%s", database, YPDB_SUFFIX); 266 267 slash = strrchr(database, '/'); 268 if (slash != NULL) 269 slash[1] = '\0'; /* truncate to dir */ 270 else 271 *database = '\0'; /* elminate */ 272 273 /* NOTE: database is now directory where map goes ! */ 274 275 if (strlen(database) + strlen(mapname) + 276 strlen(YPDB_SUFFIX) > MAXPATHLEN) 277 errx(1, "directory name `%s' too long", database); 278 279 snprintf(db_tempname, sizeof(db_tempname), "%s%s", 280 database, mapname); 281 mktemp(db_tempname); 282 snprintf(db_mapname, sizeof(db_mapname), "%s%s", 283 db_tempname, YPDB_SUFFIX); 284 285 new_db = ypdb_open(db_tempname, O_RDWR | O_CREAT | O_EXCL, 0644); 286 if (new_db == NULL) 287 err(1, "can't create temp database `%s'", db_tempname); 288 289 while (read_line(data_file, data_line, sizeof(data_line))) { 290 line_no++; 291 len = strlen(data_line); 292 293 /* Check if we have the whole line */ 294 295 if (data_line[len - 1] != '\n') 296 warnx("%s: line %d too long", infile, line_no); 297 else 298 data_line[len - 1] = '\0'; 299 300 p = (char *)&data_line; 301 302 k = p; /* save start of key */ 303 while (!isspace(*p)) { /* find first "space" */ 304 /* 305 * Convert to lower case if forcing. 306 */ 307 if (lflag && isupper(*p)) 308 *p = tolower(*p); 309 p++; 310 } 311 while (isspace(*p)) /* replace space with <NUL> */ 312 *p++ = '\0'; 313 314 v = p; /* save start of value */ 315 316 while (*p != '\0') /* find end of string */ 317 p++; 318 319 add_record(new_db, k, v, TRUE); /* save record */ 320 } 321 322 if (strcmp(infile, "-") != 0) 323 (void) fclose(data_file); 324 325 add_record(new_db, YP_LAST_KEY, file_date(infile), FALSE); 326 327 if (yp_input_file) 328 add_record(new_db, YP_INPUT_KEY, yp_input_file, FALSE); 329 330 if (yp_output_file) 331 add_record(new_db, YP_OUTPUT_KEY, yp_output_file, FALSE); 332 333 if (yp_master_name) 334 add_record(new_db, YP_MASTER_KEY, yp_master_name, FALSE); 335 else { 336 localhostname(myname, sizeof(myname) - 1); 337 add_record(new_db, YP_MASTER_KEY, myname, FALSE); 338 } 339 340 if (yp_domain_name) 341 add_record(new_db, YP_DOMAIN_KEY, yp_domain_name, FALSE); 342 343 if (bflag) 344 add_record(new_db, YP_INTERDOMAIN_KEY, empty_str, FALSE); 345 346 if (sflag) 347 add_record(new_db, YP_SECURE_KEY, empty_str, FALSE); 348 349 ypdb_close(new_db); 350 if (rename(db_mapname, db_outfile) < 0) 351 err(1, "rename `%s' -> `%s'", db_mapname, db_outfile); 352 } 353 354 void 355 usage() 356 { 357 358 fprintf(stderr, "usage: %s -u file\n", __progname); 359 fprintf(stderr, " %s [-lbs] %s\n", __progname, 360 "[-i YP_INPUT_FILE] [-o YP_OUTPUT_FILE]"); 361 fprintf(stderr, " %s infile outfile\n", 362 "[-d YP_DOMAIN_NAME] [-m YP_MASTER_NAME]"); 363 exit(1); 364 } 365
Indexes created Thu Oct 02 10:09:58 GMT 2025