1 /*
2 * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #ifdef __linux__
27 #include <stdio.h>
28 #include <ctype.h>
29 #endif
30 #include <pwd.h>
31 #include <locale.h>
32 #ifndef ARCHPROPNAME
33 #error "The macro ARCHPROPNAME has not been defined"
34 #endif
35 #include <sys/utsname.h> /* For os_name and os_version */
36 #include <langinfo.h> /* For nl_langinfo */
37 #include <stdlib.h>
38 #include <string.h>
39 #include <sys/types.h>
40 #include <unistd.h>
41 #include <sys/param.h>
42 #include <time.h>
43 #include <errno.h>
44
45 #include "locale_str.h"
46 #include "java_props.h"
47
48 #ifdef __linux__
49 #ifndef CODESET
50 #define CODESET _NL_CTYPE_CODESET_NAME
51 #endif
52 #else
53 #ifdef ALT_CODESET_KEY
54 #define CODESET ALT_CODESET_KEY
55 #endif
56 #endif
57
58 #ifdef JAVASE_EMBEDDED
59 #include <dlfcn.h>
60 #include <sys/stat.h>
61 #endif
62
63 /* Take an array of string pairs (map of key->value) and a string (key).
64 * Examine each pair in the map to see if the first string (key) matches the
65 * string. If so, store the second string of the pair (value) in the value and
66 * return 1. Otherwise do nothing and return 0. The end of the map is
67 * indicated by an empty string at the start of a pair (key of "").
68 */
69 static int
70 mapLookup(char* map[], const char* key, char** value) {
71 int i;
72 for (i = 0; strcmp(map[i], ""); i += 2){
73 if (!strcmp(key, map[i])){
74 *value = map[i + 1];
75 return 1;
76 }
77 }
78 return 0;
79 }
80
81 /* This function sets an environment variable using envstring.
82 * The format of envstring is "name=value".
83 * If the name has already existed, it will append value to the name.
84 */
85 static void
86 setPathEnvironment(char *envstring)
87 {
88 char name[20], *value, *current;
89
90 value = strchr(envstring, '='); /* locate name and value separator */
91
92 if (! value)
93 return; /* not a valid environment setting */
94
95 /* copy first part as environment name */
96 strncpy(name, envstring, value - envstring);
97 name[value-envstring] = '\0';
98
99 value++; /* set value point to value of the envstring */
100
101 current = getenv(name);
102 if (current) {
103 if (! strstr(current, value)) {
104 /* value is not found in current environment, append it */
105 char *temp = malloc(strlen(envstring) + strlen(current) + 2);
106 strcpy(temp, name);
107 strcat(temp, "=");
108 strcat(temp, current);
109 strcat(temp, ":");
110 strcat(temp, value);
111 putenv(temp);
112 }
113 /* else the value has already been set, do nothing */
114 }
115 else {
116 /* environment variable is not found */
117 putenv(envstring);
118 }
119 }
120
121 #ifndef P_tmpdir
122 #define P_tmpdir "/var/tmp"
123 #endif
124
125 static int ParseLocale(int cat, char ** std_language, char ** std_script,
126 char ** std_country, char ** std_variant, char ** std_encoding) {
127 char temp[64];
128 char *language = NULL, *country = NULL, *variant = NULL,
129 *encoding = NULL;
130 char *p, encoding_variant[64];
131 char *lc;
132
133 /* Query the locale set for the category */
134 lc = setlocale(cat, NULL);
135
136 #ifndef __linux__
137 if (lc == NULL) {
138 return 0;
139 }
140
141 if (cat == LC_CTYPE) {
142 /*
143 * Workaround for Solaris bug 4201684: Xlib doesn't like @euro
144 * locales. Since we don't depend on the libc @euro behavior,
145 * we just remove the qualifier.
146 * On Linux, the bug doesn't occur; on the other hand, @euro
147 * is needed there because it's a shortcut that also determines
148 * the encoding - without it, we wouldn't get ISO-8859-15.
149 * Therefore, this code section is Solaris-specific.
150 */
151 lc = strdup(lc); /* keep a copy, setlocale trashes original. */
152 strcpy(temp, lc);
153 p = strstr(temp, "@euro");
154 if (p != NULL) {
155 *p = '\0';
156 setlocale(LC_ALL, temp);
157 }
158 }
159 #else
160 if (lc == NULL || !strcmp(lc, "C") || !strcmp(lc, "POSIX")) {
161 lc = "en_US";
162 }
163 #endif
164
165 /*
166 * locale string format in Solaris is
167 * <language name>_<country name>.<encoding name>@<variant name>
168 * <country name>, <encoding name>, and <variant name> are optional.
169 */
170
171 strcpy(temp, lc);
172
173 /* Parse the language, country, encoding, and variant from the
174 * locale. Any of the elements may be missing, but they must occur
175 * in the order language_country.encoding@variant, and must be
176 * preceded by their delimiter (except for language).
177 *
178 * If the locale name (without .encoding@variant, if any) matches
179 * any of the names in the locale_aliases list, map it to the
180 * corresponding full locale name. Most of the entries in the
181 * locale_aliases list are locales that include a language name but
182 * no country name, and this facility is used to map each language
183 * to a default country if that's possible. It's also used to map
184 * the Solaris locale aliases to their proper Java locale IDs.
185 */
186 if ((p = strchr(temp, '.')) != NULL) {
187 strcpy(encoding_variant, p); /* Copy the leading '.' */
188 *p = '\0';
189 } else if ((p = strchr(temp, '@')) != NULL) {
190 strcpy(encoding_variant, p); /* Copy the leading '@' */
191 *p = '\0';
192 } else {
193 *encoding_variant = '\0';
194 }
195
196 if (mapLookup(locale_aliases, temp, &p)) {
197 strcpy(temp, p);
198 // check the "encoding_variant" again, if any.
199 if ((p = strchr(temp, '.')) != NULL) {
200 strcpy(encoding_variant, p); /* Copy the leading '.' */
201 *p = '\0';
202 } else if ((p = strchr(temp, '@')) != NULL) {
203 strcpy(encoding_variant, p); /* Copy the leading '@' */
204 *p = '\0';
205 }
206 }
207
208 language = temp;
209 if ((country = strchr(temp, '_')) != NULL) {
210 *country++ = '\0';
211 }
212
213 p = encoding_variant;
214 if ((encoding = strchr(p, '.')) != NULL) {
215 p[encoding++ - p] = '\0';
216 p = encoding;
217 }
218 if ((variant = strchr(p, '@')) != NULL) {
219 p[variant++ - p] = '\0';
220 }
221
222 /* Normalize the language name */
223 if (std_language != NULL) {
224 *std_language = "en";
225 if (language != NULL && mapLookup(language_names, language, std_language) == 0) {
226 *std_language = malloc(strlen(language)+1);
227 strcpy(*std_language, language);
228 }
229 }
230
231 /* Normalize the country name */
232 if (std_country != NULL && country != NULL) {
233 if (mapLookup(country_names, country, std_country) == 0) {
234 *std_country = malloc(strlen(country)+1);
235 strcpy(*std_country, country);
236 }
237 }
238
239 /* Normalize the script and variant name. Note that we only use
240 * variants listed in the mapping array; others are ignored.
241 */
242 if (variant != NULL) {
243 if (std_script != NULL) {
244 mapLookup(script_names, variant, std_script);
245 }
246
247 if (std_variant != NULL) {
248 mapLookup(variant_names, variant, std_variant);
249 }
250 }
251
252 /* Normalize the encoding name. Note that we IGNORE the string
253 * 'encoding' extracted from the locale name above. Instead, we use the
254 * more reliable method of calling nl_langinfo(CODESET). This function
255 * returns an empty string if no encoding is set for the given locale
256 * (e.g., the C or POSIX locales); we use the default ISO 8859-1
257 * converter for such locales.
258 */
259 if (std_encoding != NULL) {
260 /* OK, not so reliable - nl_langinfo() gives wrong answers on
261 * Euro locales, in particular. */
262 if (strcmp(p, "ISO8859-15") == 0)
263 p = "ISO8859-15";
264 else
265 p = nl_langinfo(CODESET);
266
267 /* Convert the bare "646" used on Solaris to a proper IANA name */
268 if (strcmp(p, "646") == 0)
269 p = "ISO646-US";
270
271 /* return same result nl_langinfo would return for en_UK,
272 * in order to use optimizations. */
273 *std_encoding = (*p != '\0') ? p : "ISO8859-1";
274
275 #ifdef __linux__
276 /*
277 * Remap the encoding string to a different value for japanese
278 * locales on linux so that customized converters are used instead
279 * of the default converter for "EUC-JP". The customized converters
280 * omit support for the JIS0212 encoding which is not supported by
281 * the variant of "EUC-JP" encoding used on linux
282 */
283 if (strcmp(p, "EUC-JP") == 0) {
284 *std_encoding = "EUC-JP-LINUX";
285 }
286 #else
287 if (strcmp(p,"eucJP") == 0) {
288 /* For Solaris use customized vendor defined character
289 * customized EUC-JP converter
290 */
291 *std_encoding = "eucJP-open";
292 } else if (strcmp(p, "Big5") == 0 || strcmp(p, "BIG5") == 0) {
293 /*
294 * Remap the encoding string to Big5_Solaris which augments
295 * the default converter for Solaris Big5 locales to include
296 * seven additional ideographic characters beyond those included
297 * in the Java "Big5" converter.
298 */
299 *std_encoding = "Big5_Solaris";
300 } else if (strcmp(p, "Big5-HKSCS") == 0) {
301 /*
302 * Solaris uses HKSCS2001
303 */
304 *std_encoding = "Big5-HKSCS-2001";
305 }
306 #endif
307 }
308
309 return 1;
310 }
311
312 #ifdef JAVASE_EMBEDDED
313 /* Determine the default embedded toolkit based on whether lib/xawt/
314 * exists in the JRE. This can still be overridden by -Dawt.toolkit=XXX
315 */
316 static char* getEmbeddedToolkit() {
317 Dl_info dlinfo;
318 char buf[MAXPATHLEN];
319 int32_t len;
320 char *p;
321 struct stat statbuf;
322
323 /* Get address of this library and the directory containing it. */
324 dladdr((void *)getEmbeddedToolkit, &dlinfo);
325 realpath((char *)dlinfo.dli_fname, buf);
326 len = strlen(buf);
327 p = strrchr(buf, '/');
328 /* Default AWT Toolkit on Linux and Solaris is XAWT. */
329 strncpy(p, "/xawt/", MAXPATHLEN-len-1);
330 /* Check if it exists */
331 if (stat(buf, &statbuf) == -1 && errno == ENOENT) {
332 /* No - this is a reduced-headless-jre so use special HToolkit */
333 return "sun.awt.HToolkit";
334 }
335 else {
336 /* Yes - this is a headful JRE so fallback to SE defaults */
337 return NULL;
338 }
339 }
340 #endif
341
342 /* This function gets called very early, before VM_CALLS are setup.
343 * Do not use any of the VM_CALLS entries!!!
344 */
345 java_props_t *
346 GetJavaProperties(JNIEnv *env)
347 {
348 static java_props_t sprops;
349 char *v; /* tmp var */
350
351 if (sprops.user_dir) {
352 return &sprops;
353 }
354
355 /* tmp dir */
356 sprops.tmp_dir = P_tmpdir;
357
358 /* Printing properties */
359 sprops.printerJob = "sun.print.PSPrinterJob";
360
361 /* patches/service packs installed */
362 sprops.patch_level = "unknown";
363
364 /* Java 2D properties */
365 sprops.graphics_env = "sun.awt.X11GraphicsEnvironment";
366
367 #ifdef JAVASE_EMBEDDED
368 sprops.awt_toolkit = getEmbeddedToolkit();
369 if (sprops.awt_toolkit == NULL) // default as below
370 #endif
371 sprops.awt_toolkit = "sun.awt.X11.XToolkit";
372
373 /* This is used only for debugging of font problems. */
374 v = getenv("JAVA2D_FONTPATH");
375 sprops.font_dir = v ? v : NULL;
376
377 #ifdef SI_ISALIST
378 /* supported instruction sets */
379 {
380 char list[258];
381 sysinfo(SI_ISALIST, list, sizeof(list));
382 sprops.cpu_isalist = strdup(list);
383 }
384 #else
385 sprops.cpu_isalist = NULL;
386 #endif
387
388 /* endianness of platform */
389 {
390 unsigned int endianTest = 0xff000000;
391 if (((char*)(&endianTest))[0] != 0)
392 sprops.cpu_endian = "big";
393 else
394 sprops.cpu_endian = "little";
395 }
396
397 /* os properties */
398 {
399 struct utsname name;
400 uname(&name);
401 sprops.os_name = strdup(name.sysname);
402 sprops.os_version = strdup(name.release);
403
404 sprops.os_arch = ARCHPROPNAME;
405
406 if (getenv("GNOME_DESKTOP_SESSION_ID") != NULL) {
407 sprops.desktop = "gnome";
408 }
409 else {
410 sprops.desktop = NULL;
411 }
412 }
413
414 /* Determine the language, country, variant, and encoding from the host,
415 * and store these in the user.language, user.country, user.variant and
416 * file.encoding system properties. */
417 setlocale(LC_ALL, "");
418 if (ParseLocale(LC_CTYPE,
419 &(sprops.format_language),
420 &(sprops.format_script),
421 &(sprops.format_country),
422 &(sprops.format_variant),
423 &(sprops.encoding))) {
424 ParseLocale(LC_MESSAGES,
425 &(sprops.language),
426 &(sprops.script),
427 &(sprops.country),
428 &(sprops.variant),
429 NULL);
430 } else {
431 sprops.language = "en";
432 sprops.encoding = "ISO8859-1";
433 }
434 sprops.display_language = sprops.language;
435 sprops.display_script = sprops.script;
436 sprops.display_country = sprops.country;
437 sprops.display_variant = sprops.variant;
438 sprops.sun_jnu_encoding = sprops.encoding;
439
440 #ifdef __linux__
441 #if __BYTE_ORDER == __LITTLE_ENDIAN
442 sprops.unicode_encoding = "UnicodeLittle";
443 #else
444 sprops.unicode_encoding = "UnicodeBig";
445 #endif
446 #else
447 sprops.unicode_encoding = "UnicodeBig";
448 #endif
449
450 /* user properties */
451 {
452 struct passwd *pwent = getpwuid(getuid());
453 sprops.user_name = pwent ? strdup(pwent->pw_name) : "?";
454 sprops.user_home = pwent ? strdup(pwent->pw_dir) : "?";
455 }
456
457 /* User TIMEZONE */
458 {
459 /*
460 * We defer setting up timezone until it's actually necessary.
461 * Refer to TimeZone.getDefault(). However, the system
462 * property is necessary to be able to be set by the command
463 * line interface -D. Here temporarily set a null string to
464 * timezone.
465 */
466 tzset(); /* for compatibility */
467 sprops.timezone = "";
468 }
469
470 /* Current directory */
471 {
472 char buf[MAXPATHLEN];
473 errno = 0;
474 if (getcwd(buf, sizeof(buf)) == NULL)
475 JNU_ThrowByName(env, "java/lang/Error",
476 "Properties init: Could not determine current working directory.");
477 else
478 sprops.user_dir = strdup(buf);
479 }
480
481 sprops.file_separator = "/";
482 sprops.path_separator = ":";
483 sprops.line_separator = "\n";
484
485 /* Append CDE message and resource search path to NLSPATH and
486 * XFILESEARCHPATH, in order to pick localized message for
487 * FileSelectionDialog window (Bug 4173641).
488 */
489 setPathEnvironment("NLSPATH=/usr/dt/lib/nls/msg/%L/%N.cat");
490 setPathEnvironment("XFILESEARCHPATH=/usr/dt/app-defaults/%L/Dt");
491
492 return &sprops;
493 }
494
495 jstring
496 GetStringPlatform(JNIEnv *env, nchar* cstr)
497 {
498 return JNU_NewStringPlatform(env, cstr);
499 }