xref: /freebsd/usr.bin/localedef/localedef.c (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
1 /*-
2  * Copyright 2018 Nexenta Systems, Inc.
3  * Copyright 2015 John Marino <draco@marino.st>
4  *
5  * This source code is derived from the illumos localedef command, and
6  * provided under BSD-style license terms by Nexenta Systems, Inc.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 /*
32  * POSIX localedef.
33  */
34 #include <sys/cdefs.h>
35 #include <sys/endian.h>
36 #include <sys/stat.h>
37 #include <sys/types.h>
38 
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <errno.h>
42 #include <string.h>
43 #include <libgen.h>
44 #include <stddef.h>
45 #include <unistd.h>
46 #include <limits.h>
47 #include <locale.h>
48 #include <dirent.h>
49 #include "collate.h"
50 #include "localedef.h"
51 #include "parser.h"
52 
53 #ifndef	TEXT_DOMAIN
54 #define	TEXT_DOMAIN	"SYS_TEST"
55 #endif
56 
57 static int bsd = 0;
58 static int byteorder = 0;
59 int verbose = 0;
60 int undefok = 0;
61 int warnok = 0;
62 static char *locname = NULL;
63 static char locpath[PATH_MAX];
64 char *version = NULL;
65 
66 const char *
67 category_name(void)
68 {
69 	switch (get_category()) {
70 	case T_CHARMAP:
71 		return ("CHARMAP");
72 	case T_WIDTH:
73 		return ("WIDTH");
74 	case T_COLLATE:
75 		return ("LC_COLLATE");
76 	case T_CTYPE:
77 		return ("LC_CTYPE");
78 	case T_MESSAGES:
79 		return ("LC_MESSAGES");
80 	case T_MONETARY:
81 		return ("LC_MONETARY");
82 	case T_NUMERIC:
83 		return ("LC_NUMERIC");
84 	case T_TIME:
85 		return ("LC_TIME");
86 	default:
87 		INTERR;
88 		return (NULL);
89 	}
90 }
91 
92 static char *
93 category_file(void)
94 {
95 	if (bsd)
96 		(void) snprintf(locpath, sizeof (locpath), "%s.%s",
97 		    locname, category_name());
98 	else
99 		(void) snprintf(locpath, sizeof (locpath), "%s/%s",
100 		    locname, category_name());
101 	return (locpath);
102 }
103 
104 FILE *
105 open_category(void)
106 {
107 	FILE *file;
108 
109 	if (verbose) {
110 		(void) printf("Writing category %s: ", category_name());
111 		(void) fflush(stdout);
112 	}
113 
114 	/* make the parent directory */
115 	if (!bsd)
116 		(void) mkdir(dirname(category_file()), 0755);
117 
118 	/*
119 	 * note that we have to regenerate the file name, as dirname
120 	 * clobbered it.
121 	 */
122 	file = fopen(category_file(), "w");
123 	if (file == NULL) {
124 		errf("%s", strerror(errno));
125 		return (NULL);
126 	}
127 	return (file);
128 }
129 
130 void
131 close_category(FILE *f)
132 {
133 	if (fchmod(fileno(f), 0644) < 0) {
134 		(void) fclose(f);
135 		(void) unlink(category_file());
136 		errf("%s", strerror(errno));
137 	}
138 	if (fclose(f) < 0) {
139 		(void) unlink(category_file());
140 		errf("%s", strerror(errno));
141 	}
142 	if (verbose) {
143 		(void) fprintf(stdout, "done.\n");
144 		(void) fflush(stdout);
145 	}
146 }
147 
148 /*
149  * This function is used when copying the category from another
150  * locale.  Note that the copy is actually performed using a hard
151  * link for efficiency.
152  */
153 void
154 copy_category(char *src)
155 {
156 	char	srcpath[PATH_MAX];
157 	int	rv;
158 
159 	(void) snprintf(srcpath, sizeof (srcpath), "%s/%s",
160 	    src, category_name());
161 	rv = access(srcpath, R_OK);
162 	if ((rv != 0) && (strchr(srcpath, '/') == NULL)) {
163 		/* Maybe we should try the system locale */
164 		(void) snprintf(srcpath, sizeof (srcpath),
165 		    "/usr/lib/locale/%s/%s", src, category_name());
166 		rv = access(srcpath, R_OK);
167 	}
168 
169 	if (rv != 0) {
170 		fprintf(stderr,"source locale data unavailable: %s\n", src);
171 		return;
172 	}
173 
174 	if (verbose > 1) {
175 		(void) printf("Copying category %s from %s: ",
176 		    category_name(), src);
177 		(void) fflush(stdout);
178 	}
179 
180 	/* make the parent directory */
181 	if (!bsd)
182 		(void) mkdir(dirname(category_file()), 0755);
183 
184 	if (link(srcpath, category_file()) != 0) {
185 		fprintf(stderr,"unable to copy locale data: %s\n",
186 			strerror(errno));
187 		return;
188 	}
189 	if (verbose > 1) {
190 		(void) printf("done.\n");
191 	}
192 }
193 
194 int
195 putl_category(const char *s, FILE *f)
196 {
197 	if (s && fputs(s, f) == EOF) {
198 		(void) fclose(f);
199 		(void) unlink(category_file());
200 		errf("%s", strerror(errno));
201 		return (EOF);
202 	}
203 	if (fputc('\n', f) == EOF) {
204 		(void) fclose(f);
205 		(void) unlink(category_file());
206 		errf("%s", strerror(errno));
207 		return (EOF);
208 	}
209 	return (0);
210 }
211 
212 int
213 wr_category(void *buf, size_t sz, FILE *f)
214 {
215 	if (!sz) {
216 		return (0);
217 	}
218 	if (fwrite(buf, sz, 1, f) < 1) {
219 		(void) fclose(f);
220 		(void) unlink(category_file());
221 		errf("%s", strerror(errno));
222 		return (EOF);
223 	}
224 	return (0);
225 }
226 
227 uint32_t
228 htote(uint32_t arg)
229 {
230 
231 	if (byteorder == 4321)
232 		return (htobe32(arg));
233 	else if (byteorder == 1234)
234 		return (htole32(arg));
235 	else
236 		return (arg);
237 }
238 
239 int yyparse(void);
240 
241 static void
242 usage(void)
243 {
244 	(void) fprintf(stderr, "Usage: localedef [options] localename\n");
245 	(void) fprintf(stderr, "[options] are:\n");
246 	(void) fprintf(stderr, "  -D          : BSD-style output\n");
247 	(void) fprintf(stderr, "  -b          : big-endian output\n");
248 	(void) fprintf(stderr, "  -c          : ignore warnings\n");
249 	(void) fprintf(stderr, "  -l          : little-endian output\n");
250 	(void) fprintf(stderr, "  -v          : verbose output\n");
251 	(void) fprintf(stderr, "  -U          : ignore undefined symbols\n");
252 	(void) fprintf(stderr, "  -f charmap  : use given charmap file\n");
253 	(void) fprintf(stderr, "  -u encoding : assume encoding\n");
254 	(void) fprintf(stderr, "  -w widths   : use screen widths file\n");
255 	(void) fprintf(stderr, "  -i locsrc   : source file for locale\n");
256 	(void) fprintf(stderr, "  -V version  : version string for locale\n");
257 	exit(4);
258 }
259 
260 int
261 main(int argc, char **argv)
262 {
263 	int c;
264 	char *lfname = NULL;
265 	char *cfname = NULL;
266 	char *wfname = NULL;
267 	DIR *dir;
268 
269 	init_charmap();
270 	init_collate();
271 	init_ctype();
272 	init_messages();
273 	init_monetary();
274 	init_numeric();
275 	init_time();
276 
277 #if YYDEBUG
278 	yydebug = 0;
279 #endif
280 
281 	(void) setlocale(LC_ALL, "");
282 
283 	while ((c = getopt(argc, argv, "blw:i:cf:u:vUDV:")) != -1) {
284 		switch (c) {
285 		case 'D':
286 			bsd = 1;
287 			break;
288 		case 'b':
289 		case 'l':
290 			if (byteorder != 0)
291 				usage();
292 			byteorder = c == 'b' ? 4321 : 1234;
293 			break;
294 		case 'v':
295 			verbose++;
296 			break;
297 		case 'i':
298 			lfname = optarg;
299 			break;
300 		case 'u':
301 			set_wide_encoding(optarg);
302 			break;
303 		case 'f':
304 			cfname = optarg;
305 			break;
306 		case 'U':
307 			undefok++;
308 			break;
309 		case 'c':
310 			warnok++;
311 			break;
312 		case 'w':
313 			wfname = optarg;
314 			break;
315 		case '?':
316 			usage();
317 			break;
318 		case 'V':
319 			version = optarg;
320 			break;
321 		}
322 	}
323 
324 	if ((argc - 1) != (optind)) {
325 		usage();
326 	}
327 	locname = argv[argc - 1];
328 	if (verbose) {
329 		(void) printf("Processing locale %s.\n", locname);
330 	}
331 
332 	if (version && strlen(version) >= XLOCALE_DEF_VERSION_LEN) {
333 		(void) fprintf(stderr, "Version string too long.\n");
334 		exit(1);
335 	}
336 
337 	if (cfname) {
338 		if (verbose)
339 			(void) printf("Loading charmap %s.\n", cfname);
340 		reset_scanner(cfname);
341 		(void) yyparse();
342 	}
343 
344 	if (wfname) {
345 		if (verbose)
346 			(void) printf("Loading widths %s.\n", wfname);
347 		reset_scanner(wfname);
348 		(void) yyparse();
349 	}
350 
351 	if (verbose) {
352 		(void) printf("Loading POSIX portable characters.\n");
353 	}
354 	add_charmap_posix();
355 
356 	if (lfname) {
357 		reset_scanner(lfname);
358 	} else {
359 		reset_scanner(NULL);
360 	}
361 
362 	/* make the directory for the locale if not already present */
363 	if (!bsd) {
364 		while ((dir = opendir(locname)) == NULL) {
365 			if ((errno != ENOENT) ||
366 			    (mkdir(locname, 0755) <  0)) {
367 				errf("%s", strerror(errno));
368 			}
369 		}
370 		(void) closedir(dir);
371 		(void) mkdir(dirname(category_file()), 0755);
372 	}
373 
374 	(void) yyparse();
375 	if (verbose) {
376 		(void) printf("All done.\n");
377 	}
378 	return (warnings ? 1 : 0);
379 }
380