makedbm.c revision 1.4 1 /* $NetBSD: makedbm.c,v 1.4 1997/09/08 03:18:19 mikel 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/param.h>
35 #include <sys/stat.h>
36
37 #include <ctype.h>
38 #include <err.h>
39 #include <errno.h>
40 #include <fcntl.h>
41 #include <stdio.h>
42 #include <strings.h>
43 #include <unistd.h>
44
45 #include <rpc/rpc.h>
46 #include <rpc/xdr.h>
47
48 #include "protos.h"
49 #include "ypdb.h"
50 #include "ypdef.h"
51
52 extern char *__progname; /* from crt0.o */
53 extern char *optarg;
54 extern int optind;
55
56 int main __P((int, char *[]));
57 void usage __P((void));
58 void add_record __P((DBM *, char *, char *, int));
59 char *file_date __P((char *));
60 void list_database __P((char *));
61 void create_database __P((char *, char *, char *, char *,
62 char *, char *, int, int, int));
63
64 int
65 main(argc, argv)
66 int argc;
67 char *argv[];
68 {
69 int aflag, uflag, bflag, lflag, sflag;
70 char *yp_input_file, *yp_output_file;
71 char *yp_master_name, *yp_domain_name;
72 char *infile, *outfile;
73 int ch;
74
75 yp_input_file = yp_output_file = NULL;
76 yp_master_name = yp_domain_name = NULL;
77 aflag = uflag = bflag = lflag = sflag = 0;
78 infile = outfile = NULL;
79
80 while ((ch = getopt(argc, argv, "blsui:o:m:d:")) != -1) {
81 switch (ch) {
82 case 'b':
83 bflag = aflag = 1;
84 break;
85
86 case 'l':
87 lflag = aflag = 1;
88 break;
89
90 case 's':
91 sflag = aflag = 1;
92 break;
93
94 case 'i':
95 yp_input_file = optarg;
96 aflag = 1;
97 break;
98
99 case 'o':
100 yp_output_file = optarg;
101 aflag = 1;
102 break;
103
104 case 'm':
105 yp_master_name = optarg;
106 aflag = 1;
107 break;
108
109 case 'd':
110 yp_domain_name = optarg;
111 aflag = 1;
112 break;
113
114 case 'u':
115 uflag = 1;
116 break;
117
118 default:
119 usage();
120 }
121 }
122 argc -= optind; argv += optind;
123
124 if ((uflag != 0) && (aflag != 0))
125 usage();
126 else {
127 if (uflag != 0) {
128 if (argc == 1)
129 infile = argv[0];
130 else
131 usage();
132 } else {
133 if (argc == 2) {
134 infile = argv[0];
135 outfile = argv[1];
136 } else
137 usage();
138 }
139 }
140
141 if (uflag != 0)
142 list_database(infile);
143 else
144 create_database(infile, outfile,
145 yp_input_file, yp_output_file, yp_master_name,
146 yp_domain_name, bflag, lflag, sflag);
147
148 exit(0);
149 }
150
151 void
152 add_record(db, str1, str2, check)
153 DBM *db;
154 char *str1, *str2;
155 int check;
156 {
157 datum key, val;
158 int status;
159
160 key.dptr = str1;
161 key.dsize = strlen(str1);
162
163 if (check) {
164 val = ypdb_fetch(db, key);
165
166 if (val.dptr != NULL)
167 return; /* already there */
168 }
169 val.dptr = str2;
170 val.dsize = strlen(str2);
171 status = ypdb_store(db, key, val, YPDB_INSERT);
172
173 if (status != 0)
174 errx(1, "can't store `%s %s'", str1, str2);
175 }
176
177 char *
178 file_date(filename)
179 char *filename;
180 {
181 struct stat finfo;
182 static char datestr[11];
183
184 memset(datestr, 0, sizeof(datestr));
185
186 if (strcmp(filename, "-") == 0)
187 snprintf(datestr, sizeof(datestr), "%010d",
188 (int)time(NULL));
189 else {
190 if (stat(filename, &finfo) != 0)
191 err(1, "can't stat %s", filename);
192 snprintf(datestr, sizeof(datestr), "%010d",
193 (int)finfo.st_mtime);
194 }
195
196 return datestr;
197 }
198
199 void
200 list_database(database)
201 char *database;
202 {
203 DBM *db;
204 datum key, val;
205
206 db = ypdb_open(database, O_RDONLY, 0444);
207 if (db == NULL)
208 errx(1, "can't open database `%s'", database);
209
210 key = ypdb_firstkey(db);
211
212 while (key.dptr != NULL) {
213 val = ypdb_fetch(db, key);
214 printf("%*.*s %*.*s\n",
215 key.dsize, key.dsize, key.dptr,
216 val.dsize, val.dsize, val.dptr);
217 key = ypdb_nextkey(db);
218 }
219
220 ypdb_close(db);
221 }
222
223 void
224 create_database(infile, database, yp_input_file, yp_output_file,
225 yp_master_name, yp_domain_name, bflag, lflag, sflag)
226 char *infile, *database, *yp_input_file, *yp_output_file;
227 char *yp_master_name, *yp_domain_name;
228 int bflag, lflag, sflag;
229 {
230 FILE *data_file;
231 char data_line[4096]; /* XXX: DB bsize = 4096 in ypdb.c */
232 char myname[MAXHOSTNAMELEN];
233 int line_no = 0;
234 int len;
235 char *p, *k, *v, *slash;
236 DBM *new_db;
237 static char mapname[] = "ypdbXXXXXX";
238 char db_mapname[MAXPATHLEN + 1], db_outfile[MAXPATHLEN + 1];
239 char db_tempname[MAXPATHLEN + 1];
240 char empty_str[] = "";
241
242 memset(db_mapname, 0, sizeof(db_mapname));
243 memset(db_outfile, 0, sizeof(db_outfile));
244 memset(db_tempname, 0, sizeof(db_tempname));
245
246 if (strcmp(infile, "-") == 0)
247 data_file = stdin;
248 else {
249 data_file = fopen(infile, "r");
250 if (data_file == NULL)
251 err(1, "can't open `%s'", infile);
252 }
253
254 if (strlen(database) + strlen(YPDB_SUFFIX) > MAXPATHLEN)
255 errx(1, "%s: file name too long\n", database);
256
257 snprintf(db_outfile, sizeof(db_outfile), "%s%s", database, YPDB_SUFFIX);
258
259 slash = strrchr(database, '/');
260 if (slash != NULL)
261 slash[1] = '\0'; /* truncate to dir */
262 else
263 *database = '\0'; /* elminate */
264
265 /* NOTE: database is now directory where map goes ! */
266
267 if (strlen(database) + strlen(mapname) +
268 strlen(YPDB_SUFFIX) > MAXPATHLEN)
269 errx(1, "%s: directory name too long", database);
270
271 snprintf(db_tempname, sizeof(db_tempname), "%s%s",
272 database, mapname);
273 mktemp(db_tempname);
274 snprintf(db_mapname, sizeof(db_mapname), "%s%s",
275 db_tempname, YPDB_SUFFIX);
276
277 new_db = ypdb_open(db_tempname, O_RDWR | O_CREAT | O_EXCL, 0644);
278 if (new_db == NULL)
279 errx(1, "can't create temp database `%s'", db_tempname);
280
281 while (read_line(data_file, data_line, sizeof(data_line))) {
282 line_no++;
283 len = strlen(data_line);
284
285 /* Check if we have the whole line */
286
287 if (data_line[len - 1] != '\n')
288 warnx("%s: line %d too long", infile, line_no);
289 else
290 data_line[len - 1] = '\0';
291
292 p = (char *)&data_line;
293
294 k = p; /* save start of key */
295 while (!isspace(*p)) { /* find first "space" */
296 /*
297 * Convert to lower case if forcing.
298 */
299 if (lflag && isupper(*p))
300 *p = tolower(*p);
301 p++;
302 }
303 while (isspace(*p)) /* replace space with <NUL> */
304 *p++ = '\0';
305
306 v = p; /* save start of value */
307
308 while (*p != '\0') /* find end of string */
309 p++;
310
311 add_record(new_db, k, v, TRUE); /* save record */
312 }
313
314 if (strcmp(infile, "-") != 0)
315 (void) fclose(data_file);
316
317 add_record(new_db, YP_LAST_KEY, file_date(infile), FALSE);
318
319 if (yp_input_file)
320 add_record(new_db, YP_INPUT_KEY, yp_input_file, FALSE);
321
322 if (yp_output_file)
323 add_record(new_db, YP_OUTPUT_KEY, yp_output_file, FALSE);
324
325 if (yp_master_name)
326 add_record(new_db, YP_MASTER_KEY, yp_master_name, FALSE);
327 else {
328 localhostname(myname, sizeof(myname) - 1);
329 add_record(new_db, YP_MASTER_KEY, myname, FALSE);
330 }
331
332 if (yp_domain_name)
333 add_record(new_db, YP_DOMAIN_KEY, yp_domain_name, FALSE);
334
335 if (bflag)
336 add_record(new_db, YP_INTERDOMAIN_KEY, empty_str, FALSE);
337
338 if (sflag)
339 add_record(new_db, YP_SECURE_KEY, empty_str, FALSE);
340
341 ypdb_close(new_db);
342 if (rename(db_mapname, db_outfile) < 0)
343 err(1, "rename `%s' -> `%s'", db_mapname, db_outfile);
344 }
345
346 void
347 usage()
348 {
349
350 fprintf(stderr, "usage: %s -u file\n", __progname);
351 fprintf(stderr, " %s [-lbs] %s\n", __progname,
352 "[-i YP_INPUT_FILE] [-o YP_OUTPUT_FILE]");
353 fprintf(stderr, " %s infile outfile\n",
354 "[-d YP_DOMAIN_NAME] [-m YP_MASTER_NAME]");
355 exit(1);
356 }
357