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makedbm.c revision 1.5
      1 /*	$NetBSD: makedbm.c,v 1.5 1997/10/07 14:42:33 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/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 
     54 int	main __P((int, char *[]));
     55 void	usage __P((void));
     56 void	add_record __P((DBM *, char *, char *, int));
     57 char	*file_date __P((char *));
     58 void	list_database __P((char *));
     59 void	create_database __P((char *, char *, char *, char *,
     60 	    char *, char *, int, int, int));
     61 
     62 int
     63 main(argc, argv)
     64 	int argc;
     65 	char *argv[];
     66 {
     67 	int aflag, uflag, bflag, lflag, sflag;
     68 	char *yp_input_file, *yp_output_file;
     69 	char *yp_master_name, *yp_domain_name;
     70 	char *infile, *outfile;
     71 	int ch;
     72 
     73 	yp_input_file = yp_output_file = NULL;
     74 	yp_master_name = yp_domain_name = NULL;
     75 	aflag = uflag = bflag = lflag = sflag = 0;
     76 	infile = outfile = NULL;
     77 
     78 	while ((ch = getopt(argc, argv, "blsui:o:m:d:")) != -1) {
     79 		switch (ch) {
     80 		case 'b':
     81 			bflag = aflag = 1;
     82 			break;
     83 
     84 		case 'l':
     85 			lflag = aflag = 1;
     86 			break;
     87 
     88 		case 's':
     89 			sflag = aflag = 1;
     90 			break;
     91 
     92 		case 'i':
     93 			yp_input_file = optarg;
     94 			aflag = 1;
     95 			break;
     96 
     97 		case 'o':
     98 			yp_output_file = optarg;
     99 			aflag = 1;
    100 			break;
    101 
    102 		case 'm':
    103 			yp_master_name = optarg;
    104 			aflag = 1;
    105 			break;
    106 
    107 		case 'd':
    108 			yp_domain_name = optarg;
    109 			aflag = 1;
    110 			break;
    111 
    112 		case 'u':
    113 			uflag = 1;
    114 			break;
    115 
    116 		default:
    117 			usage();
    118 		}
    119 	}
    120 	argc -= optind; argv += optind;
    121 
    122 	if ((uflag != 0) && (aflag != 0))
    123 		usage();
    124 	else {
    125 		if (uflag != 0) {
    126 			if (argc == 1)
    127 				infile = argv[0];
    128 			else
    129 				usage();
    130 		} else {
    131 			if (argc == 2) {
    132 				infile = argv[0];
    133 				outfile = argv[1];
    134 			} else
    135 				usage();
    136 		}
    137 	}
    138 
    139 	if (uflag != 0)
    140 		list_database(infile);
    141 	else
    142 		create_database(infile, outfile,
    143 		    yp_input_file, yp_output_file, yp_master_name,
    144 		    yp_domain_name, bflag, lflag, sflag);
    145 
    146 	exit(0);
    147 }
    148 
    149 void
    150 add_record(db, str1, str2, check)
    151 	DBM *db;
    152 	char *str1, *str2;
    153 	int check;
    154 {
    155 	datum key, val;
    156 	int status;
    157 
    158 	key.dptr = str1;
    159 	key.dsize = strlen(str1);
    160 
    161 	if (check) {
    162 		val = ypdb_fetch(db, key);
    163 
    164 		if (val.dptr != NULL)
    165 			return;	/* already there */
    166 	}
    167 	val.dptr = str2;
    168 	val.dsize = strlen(str2);
    169 	status = ypdb_store(db, key, val, YPDB_INSERT);
    170 
    171 	if (status != 0)
    172 		errx(1, "can't store `%s %s'", str1, str2);
    173 }
    174 
    175 char *
    176 file_date(filename)
    177 	char *filename;
    178 {
    179 	struct stat finfo;
    180 	static char datestr[11];
    181 
    182 	memset(datestr, 0, sizeof(datestr));
    183 
    184 	if (strcmp(filename, "-") == 0)
    185 		snprintf(datestr, sizeof(datestr), "%010d",
    186 		    (int)time(NULL));
    187 	else {
    188 		if (stat(filename, &finfo) != 0)
    189 			err(1, "can't stat %s", filename);
    190 		snprintf(datestr, sizeof(datestr), "%010d",
    191 		    (int)finfo.st_mtime);
    192 	}
    193 
    194 	return datestr;
    195 }
    196 
    197 void
    198 list_database(database)
    199 	char *database;
    200 {
    201 	DBM *db;
    202 	datum key, val;
    203 
    204 	db = ypdb_open(database, O_RDONLY, 0444);
    205 	if (db == NULL)
    206 		err(1, "can't open database `%s'", database);
    207 
    208 	key = ypdb_firstkey(db);
    209 
    210 	while (key.dptr != NULL) {
    211 		val = ypdb_fetch(db, key);
    212 		printf("%*.*s %*.*s\n",
    213 		    key.dsize, key.dsize, key.dptr,
    214 		    val.dsize, val.dsize, val.dptr);
    215 		key = ypdb_nextkey(db);
    216 	}
    217 
    218 	ypdb_close(db);
    219 }
    220 
    221 void
    222 create_database(infile, database, yp_input_file, yp_output_file,
    223     yp_master_name, yp_domain_name, bflag, lflag, sflag)
    224 	char *infile, *database, *yp_input_file, *yp_output_file;
    225 	char *yp_master_name, *yp_domain_name;
    226 	int bflag, lflag, sflag;
    227 {
    228 	FILE *data_file;
    229 	char data_line[4096];	/* XXX: DB bsize = 4096 in ypdb.c */
    230 	char myname[MAXHOSTNAMELEN];
    231 	int line_no = 0;
    232 	int len;
    233 	char *p, *k, *v, *slash;
    234 	DBM *new_db;
    235 	static char mapname[] = "ypdbXXXXXX";
    236 	char db_mapname[MAXPATHLEN + 1], db_outfile[MAXPATHLEN + 1];
    237 	char db_tempname[MAXPATHLEN + 1];
    238 	char empty_str[] = "";
    239 
    240 	memset(db_mapname, 0, sizeof(db_mapname));
    241 	memset(db_outfile, 0, sizeof(db_outfile));
    242 	memset(db_tempname, 0, sizeof(db_tempname));
    243 
    244 	if (strcmp(infile, "-") == 0)
    245 		data_file = stdin;
    246 	else {
    247 		data_file = fopen(infile, "r");
    248 		if (data_file == NULL)
    249 			err(1, "can't open `%s'", infile);
    250 	}
    251 
    252 	if (strlen(database) + strlen(YPDB_SUFFIX) > MAXPATHLEN)
    253 		errx(1, "file name `%s' too long\n", database);
    254 
    255 	snprintf(db_outfile, sizeof(db_outfile), "%s%s", database, YPDB_SUFFIX);
    256 
    257 	slash = strrchr(database, '/');
    258 	if (slash != NULL)
    259 		slash[1] = '\0';	/* truncate to dir */
    260 	else
    261 		*database = '\0';	/* elminate */
    262 
    263 	/* NOTE: database is now directory where map goes ! */
    264 
    265 	if (strlen(database) + strlen(mapname) +
    266 	    strlen(YPDB_SUFFIX) > MAXPATHLEN)
    267 		errx(1, "directory name `%s' too long", database);
    268 
    269 	snprintf(db_tempname, sizeof(db_tempname), "%s%s",
    270 	    database, mapname);
    271 	mktemp(db_tempname);
    272 	snprintf(db_mapname, sizeof(db_mapname), "%s%s",
    273 	    db_tempname, YPDB_SUFFIX);
    274 
    275 	new_db = ypdb_open(db_tempname, O_RDWR | O_CREAT | O_EXCL, 0644);
    276 	if (new_db == NULL)
    277 		err(1, "can't create temp database `%s'", db_tempname);
    278 
    279 	while (read_line(data_file, data_line, sizeof(data_line))) {
    280 		line_no++;
    281 		len = strlen(data_line);
    282 
    283 		/* Check if we have the whole line */
    284 
    285 		if (data_line[len - 1] != '\n')
    286 			warnx("%s: line %d too long", infile, line_no);
    287 		else
    288 			data_line[len - 1] = '\0';
    289 
    290 		p = (char *)&data_line;
    291 
    292 		k = p;		/* save start of key */
    293 		while (!isspace(*p)) {	/* find first "space" */
    294 			/*
    295 			 * Convert to lower case if forcing.
    296 			 */
    297 			if (lflag && isupper(*p))
    298 				*p = tolower(*p);
    299 			p++;
    300 		}
    301 		while (isspace(*p))	/* replace space with <NUL> */
    302 			*p++ = '\0';
    303 
    304 		v = p;			/* save start of value */
    305 
    306 		while (*p != '\0')	/* find end of string */
    307 			p++;
    308 
    309 		add_record(new_db, k, v, TRUE);	/* save record */
    310 	}
    311 
    312 	if (strcmp(infile, "-") != 0)
    313 		(void) fclose(data_file);
    314 
    315 	add_record(new_db, YP_LAST_KEY, file_date(infile), FALSE);
    316 
    317 	if (yp_input_file)
    318 		add_record(new_db, YP_INPUT_KEY, yp_input_file, FALSE);
    319 
    320 	if (yp_output_file)
    321 		add_record(new_db, YP_OUTPUT_KEY, yp_output_file, FALSE);
    322 
    323 	if (yp_master_name)
    324 		add_record(new_db, YP_MASTER_KEY, yp_master_name, FALSE);
    325 	else {
    326 		localhostname(myname, sizeof(myname) - 1);
    327 		add_record(new_db, YP_MASTER_KEY, myname, FALSE);
    328 	}
    329 
    330 	if (yp_domain_name)
    331 		add_record(new_db, YP_DOMAIN_KEY, yp_domain_name, FALSE);
    332 
    333 	if (bflag)
    334 		add_record(new_db, YP_INTERDOMAIN_KEY, empty_str, FALSE);
    335 
    336 	if (sflag)
    337 		add_record(new_db, YP_SECURE_KEY, empty_str, FALSE);
    338 
    339 	ypdb_close(new_db);
    340 	if (rename(db_mapname, db_outfile) < 0)
    341 		err(1, "rename `%s' -> `%s'", db_mapname, db_outfile);
    342 }
    343 
    344 void
    345 usage()
    346 {
    347 
    348 	fprintf(stderr, "usage: %s -u file\n", __progname);
    349 	fprintf(stderr, "       %s [-lbs] %s\n", __progname,
    350 	    "[-i YP_INPUT_FILE] [-o YP_OUTPUT_FILE]");
    351 	fprintf(stderr, "          %s infile outfile\n",
    352 	    "[-d YP_DOMAIN_NAME] [-m YP_MASTER_NAME]");
    353 	exit(1);
    354 }
    355