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 #if defined(__linux__) || defined(_ALLBSD_SOURCE)
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 #ifdef MACOSX
46 #endif
47
48 #if defined(_ALLBSD_SOURCE)
49 #if !defined(P_tmpdir)
50 #include <paths.h>
51 #define P_tmpdir _PATH_VARTMP
52 #endif
53 #endif
54
55 #include "locale_str.h"
56
57 #if !defined(_ALLBSD_SOURCE)
58 #ifdef __linux__
59 #ifndef CODESET
60 #define CODESET _NL_CTYPE_CODESET_NAME
61 #endif
62 #else
63 #ifdef ALT_CODESET_KEY
64 #define CODESET ALT_CODESET_KEY
65 #endif
66 #endif
67 #endif /* !_ALLBSD_SOURCE */
68
69 #ifdef JAVASE_EMBEDDED
70 #include <dlfcn.h>
71 #include <sys/stat.h>
72 #endif
73
74 /* Take an array of string pairs (map of key->value) and a string (key).
75 * Examine each pair in the map to see if the first string (key) matches the
76 * string. If so, store the second string of the pair (value) in the value and
77 * return 1. Otherwise do nothing and return 0. The end of the map is
78 * indicated by an empty string at the start of a pair (key of "").
79 */
80 static int
mapLookup(char * map[],const char * key,char ** value)81 mapLookup(char* map[], const char* key, char** value) {
82 int i;
83 for (i = 0; strcmp(map[i], ""); i += 2){
84 if (!strcmp(key, map[i])){
85 *value = map[i + 1];
86 return 1;
87 }
88 }
89 return 0;
90 }
91
92 /* This function sets an environment variable using envstring.
93 * The format of envstring is "name=value".
94 * If the name has already existed, it will append value to the name.
95 */
96 static void
setPathEnvironment(char * envstring)97 setPathEnvironment(char *envstring)
98 {
99 char name[20], *value, *current;
100
101 value = strchr(envstring, '='); /* locate name and value separator */
102
103 if (! value)
104 return; /* not a valid environment setting */
105
106 /* copy first part as environment name */
107 strncpy(name, envstring, value - envstring);
108 name[value-envstring] = '\0';
109
110 value++; /* set value point to value of the envstring */
111
112 current = getenv(name);
113 if (current) {
114 if (! strstr(current, value)) {
115 /* value is not found in current environment, append it */
116 char *temp = malloc(strlen(envstring) + strlen(current) + 2);
117 strcpy(temp, name);
118 strcat(temp, "=");
119 strcat(temp, current);
120 strcat(temp, ":");
121 strcat(temp, value);
122 putenv(temp);
123 }
124 /* else the value has already been set, do nothing */
125 }
126 else {
127 /* environment variable is not found */
128 putenv(envstring);
129 }
130 }
131
132 #ifndef P_tmpdir
133 #define P_tmpdir "/var/tmp"
134 #endif
135
ParseLocale(int cat,char ** std_language,char ** std_script,char ** std_country,char ** std_variant,char ** std_encoding)136 static int ParseLocale(int cat, char ** std_language, char ** std_script,
137 char ** std_country, char ** std_variant, char ** std_encoding) {
138 char temp[64];
139 char *language = NULL, *country = NULL, *variant = NULL,
140 *encoding = NULL;
141 char *p, encoding_variant[64];
142 char *lc;
143
144 /* Query the locale set for the category */
145
146 #ifdef MACOSX
147 lc = setupMacOSXLocale(cat); // malloc'd memory, need to free
148 #else
149 lc = setlocale(cat, NULL);
150 #endif
151
152 #ifndef __linux__
153 if (lc == NULL) {
154 return 0;
155 }
156
157 if (cat == LC_CTYPE) {
158 /*
159 * Workaround for Solaris bug 4201684: Xlib doesn't like @euro
160 * locales. Since we don't depend on the libc @euro behavior,
161 * we just remove the qualifier.
162 * On Linux, the bug doesn't occur; on the other hand, @euro
163 * is needed there because it's a shortcut that also determines
164 * the encoding - without it, we wouldn't get ISO-8859-15.
165 * Therefore, this code section is Solaris-specific.
166 */
167 lc = strdup(lc); /* keep a copy, setlocale trashes original. */
168 strcpy(temp, lc);
169 p = strstr(temp, "@euro");
170 if (p != NULL) {
171 *p = '\0';
172 setlocale(LC_ALL, temp);
173 }
174 }
175 #else
176 if (lc == NULL || !strcmp(lc, "C") || !strcmp(lc, "POSIX")) {
177 lc = "en_US";
178 }
179 #endif
180
181 /*
182 * locale string format in Solaris is
183 * <language name>_<country name>.<encoding name>@<variant name>
184 * <country name>, <encoding name>, and <variant name> are optional.
185 */
186
187 strcpy(temp, lc);
188 #ifdef MACOSX
189 free(lc); // malloced memory
190 #endif
191 /* Parse the language, country, encoding, and variant from the
192 * locale. Any of the elements may be missing, but they must occur
193 * in the order language_country.encoding@variant, and must be
194 * preceded by their delimiter (except for language).
195 *
196 * If the locale name (without .encoding@variant, if any) matches
197 * any of the names in the locale_aliases list, map it to the
198 * corresponding full locale name. Most of the entries in the
199 * locale_aliases list are locales that include a language name but
200 * no country name, and this facility is used to map each language
201 * to a default country if that's possible. It's also used to map
202 * the Solaris locale aliases to their proper Java locale IDs.
203 */
204 if ((p = strchr(temp, '.')) != NULL) {
205 strcpy(encoding_variant, p); /* Copy the leading '.' */
206 *p = '\0';
207 } else if ((p = strchr(temp, '@')) != NULL) {
208 strcpy(encoding_variant, p); /* Copy the leading '@' */
209 *p = '\0';
210 } else {
211 *encoding_variant = '\0';
212 }
213
214 if (mapLookup(locale_aliases, temp, &p)) {
215 strcpy(temp, p);
216 // check the "encoding_variant" again, if any.
217 if ((p = strchr(temp, '.')) != NULL) {
218 strcpy(encoding_variant, p); /* Copy the leading '.' */
219 *p = '\0';
220 } else if ((p = strchr(temp, '@')) != NULL) {
221 strcpy(encoding_variant, p); /* Copy the leading '@' */
222 *p = '\0';
223 }
224 }
225
226 language = temp;
227 if ((country = strchr(temp, '_')) != NULL) {
228 *country++ = '\0';
229 }
230
231 p = encoding_variant;
232 if ((encoding = strchr(p, '.')) != NULL) {
233 p[encoding++ - p] = '\0';
234 p = encoding;
235 }
236 if ((variant = strchr(p, '@')) != NULL) {
237 p[variant++ - p] = '\0';
238 }
239
240 /* Normalize the language name */
241 if (std_language != NULL) {
242 *std_language = "en";
243 if (language != NULL && mapLookup(language_names, language, std_language) == 0) {
244 *std_language = malloc(strlen(language)+1);
245 strcpy(*std_language, language);
246 }
247 }
248
249 /* Normalize the country name */
250 if (std_country != NULL && country != NULL) {
251 if (mapLookup(country_names, country, std_country) == 0) {
252 *std_country = malloc(strlen(country)+1);
253 strcpy(*std_country, country);
254 }
255 }
256
257 /* Normalize the script and variant name. Note that we only use
258 * variants listed in the mapping array; others are ignored.
259 */
260 if (variant != NULL) {
261 if (std_script != NULL) {
262 mapLookup(script_names, variant, std_script);
263 }
264
265 if (std_variant != NULL) {
266 mapLookup(variant_names, variant, std_variant);
267 }
268 }
269
270 /* Normalize the encoding name. Note that we IGNORE the string
271 * 'encoding' extracted from the locale name above. Instead, we use the
272 * more reliable method of calling nl_langinfo(CODESET). This function
273 * returns an empty string if no encoding is set for the given locale
274 * (e.g., the C or POSIX locales); we use the default ISO 8859-1
275 * converter for such locales.
276 */
277 if (std_encoding != NULL) {
278 /* OK, not so reliable - nl_langinfo() gives wrong answers on
279 * Euro locales, in particular. */
280 if (strcmp(p, "ISO8859-15") == 0)
281 p = "ISO8859-15";
282 else
283 p = nl_langinfo(CODESET);
284
285 /* Convert the bare "646" used on Solaris to a proper IANA name */
286 if (strcmp(p, "646") == 0)
287 p = "ISO646-US";
288
289 /* return same result nl_langinfo would return for en_UK,
290 * in order to use optimizations. */
291 *std_encoding = (*p != '\0') ? p : "ISO8859-1";
292
293 #ifdef __linux__
294 /*
295 * Remap the encoding string to a different value for japanese
296 * locales on linux so that customized converters are used instead
297 * of the default converter for "EUC-JP". The customized converters
298 * omit support for the JIS0212 encoding which is not supported by
299 * the variant of "EUC-JP" encoding used on linux
300 */
301 if (strcmp(p, "EUC-JP") == 0) {
302 *std_encoding = "EUC-JP-LINUX";
303 }
304 #else
305 if (strcmp(p,"eucJP") == 0) {
306 /* For Solaris use customized vendor defined character
307 * customized EUC-JP converter
308 */
309 *std_encoding = "eucJP-open";
310 } else if (strcmp(p, "Big5") == 0 || strcmp(p, "BIG5") == 0) {
311 /*
312 * Remap the encoding string to Big5_Solaris which augments
313 * the default converter for Solaris Big5 locales to include
314 * seven additional ideographic characters beyond those included
315 * in the Java "Big5" converter.
316 */
317 *std_encoding = "Big5_Solaris";
318 } else if (strcmp(p, "Big5-HKSCS") == 0) {
319 /*
320 * Solaris uses HKSCS2001
321 */
322 *std_encoding = "Big5-HKSCS-2001";
323 }
324 #endif
325 }
326
327 return 1;
328 }
329
330 #ifdef JAVASE_EMBEDDED
331 /* Determine the default embedded toolkit based on whether lib/xawt/
332 * exists in the JRE. This can still be overridden by -Dawt.toolkit=XXX
333 */
getEmbeddedToolkit()334 static char* getEmbeddedToolkit() {
335 Dl_info dlinfo;
336 char buf[MAXPATHLEN];
337 int32_t len;
338 char *p;
339 struct stat statbuf;
340
341 /* Get address of this library and the directory containing it. */
342 dladdr((void *)getEmbeddedToolkit, &dlinfo);
343 realpath((char *)dlinfo.dli_fname, buf);
344 len = strlen(buf);
345 p = strrchr(buf, '/');
346 /* Default AWT Toolkit on Linux and Solaris is XAWT. */
347 strncpy(p, "/xawt/", MAXPATHLEN-len-1);
348 /* Check if it exists */
349 if (stat(buf, &statbuf) == -1 && errno == ENOENT) {
350 /* No - this is a reduced-headless-jre so use special HToolkit */
351 return "sun.awt.HToolkit";
352 }
353 else {
354 /* Yes - this is a headful JRE so fallback to SE defaults */
355 return NULL;
356 }
357 }
358 #endif
359
360 /* This function gets called very early, before VM_CALLS are setup.
361 * Do not use any of the VM_CALLS entries!!!
362 */
363 java_props_t *
GetJavaProperties(JNIEnv * env)364 GetJavaProperties(JNIEnv *env)
365 {
366 static java_props_t sprops;
367 char *v; /* tmp var */
368
369 if (sprops.user_dir) {
370 return &sprops;
371 }
372
373 /* tmp dir */
374 sprops.tmp_dir = P_tmpdir;
375 #ifdef MACOSX
376 /* darwin has a per-user temp dir */
377 static char tmp_path[PATH_MAX];
378 int pathSize = confstr(_CS_DARWIN_USER_TEMP_DIR, tmp_path, PATH_MAX);
379 if (pathSize > 0 && pathSize <= PATH_MAX) {
380 sprops.tmp_dir = tmp_path;
381 }
382 #endif /* MACOSX */
383
384 /* Printing properties */
385 #ifdef MACOSX
386 sprops.printerJob = "sun.lwawt.macosx.CPrinterJob";
387 #else
388 sprops.printerJob = "sun.print.PSPrinterJob";
389 #endif
390
391 /* patches/service packs installed */
392 sprops.patch_level = "unknown";
393
394 /* Java 2D properties */
395 #ifdef MACOSX
396 PreferredToolkit prefToolkit = getPreferredToolkit();
397 switch (prefToolkit) {
398 case CToolkit:
399 case HToolkit:
400 sprops.graphics_env = "sun.awt.CGraphicsEnvironment";
401 break;
402 case XToolkit:
403 #endif
404 sprops.graphics_env = "sun.awt.X11GraphicsEnvironment";
405 #ifdef MACOSX
406 break;
407 }
408 #endif
409 /* AWT properties */
410 #ifdef JAVASE_EMBEDDED
411 sprops.awt_toolkit = getEmbeddedToolkit();
412 if (sprops.awt_toolkit == NULL) // default as below
413 #endif
414 #ifdef MACOSX
415 switch (prefToolkit) {
416 case CToolkit:
417 sprops.awt_toolkit = "sun.lwawt.macosx.LWCToolkit";
418 break;
419 case XToolkit:
420 #endif
421 sprops.awt_toolkit = "sun.awt.X11.XToolkit";
422 #ifdef MACOSX
423 break;
424 default:
425 sprops.awt_toolkit = "sun.awt.HToolkit";
426 break;
427 }
428 #endif
429
430 /* This is used only for debugging of font problems. */
431 v = getenv("JAVA2D_FONTPATH");
432 sprops.font_dir = v ? v : NULL;
433
434 #ifdef SI_ISALIST
435 /* supported instruction sets */
436 {
437 char list[258];
438 sysinfo(SI_ISALIST, list, sizeof(list));
439 sprops.cpu_isalist = strdup(list);
440 }
441 #else
442 sprops.cpu_isalist = NULL;
443 #endif
444
445 /* endianness of platform */
446 {
447 unsigned int endianTest = 0xff000000;
448 if (((char*)(&endianTest))[0] != 0)
449 sprops.cpu_endian = "big";
450 else
451 sprops.cpu_endian = "little";
452 }
453
454 /* os properties */
455 {
456 #ifdef MACOSX
457 setOSNameAndVersion(&sprops);
458 #else
459 struct utsname name;
460 uname(&name);
461 sprops.os_name = strdup(name.sysname);
462 sprops.os_version = strdup(name.release);
463 #endif
464
465 sprops.os_arch = ARCHPROPNAME;
466
467 if (getenv("GNOME_DESKTOP_SESSION_ID") != NULL) {
468 sprops.desktop = "gnome";
469 }
470 else {
471 sprops.desktop = NULL;
472 }
473 }
474
475 /* Determine the language, country, variant, and encoding from the host,
476 * and store these in the user.language, user.country, user.variant and
477 * file.encoding system properties. */
478 setlocale(LC_ALL, "");
479 if (ParseLocale(LC_CTYPE,
480 &(sprops.format_language),
481 &(sprops.format_script),
482 &(sprops.format_country),
483 &(sprops.format_variant),
484 &(sprops.encoding))) {
485 ParseLocale(LC_MESSAGES,
486 &(sprops.language),
487 &(sprops.script),
488 &(sprops.country),
489 &(sprops.variant),
490 NULL);
491 } else {
492 sprops.language = "en";
493 sprops.encoding = "ISO8859-1";
494 }
495 sprops.display_language = sprops.language;
496 sprops.display_script = sprops.script;
497 sprops.display_country = sprops.country;
498 sprops.display_variant = sprops.variant;
499
500 #ifdef MACOSX
501 sprops.sun_jnu_encoding = "UTF-8";
502 #else
503 sprops.sun_jnu_encoding = sprops.encoding;
504 #endif
505
506 #ifdef _ALLBSD_SOURCE
507 #if BYTE_ORDER == _LITTLE_ENDIAN
508 sprops.unicode_encoding = "UnicodeLittle";
509 #else
510 sprops.unicode_encoding = "UnicodeBig";
511 #endif
512 #else /* !_ALLBSD_SOURCE */
513 #ifdef __linux__
514 #if __BYTE_ORDER == __LITTLE_ENDIAN
515 sprops.unicode_encoding = "UnicodeLittle";
516 #else
517 sprops.unicode_encoding = "UnicodeBig";
518 #endif
519 #else
520 sprops.unicode_encoding = "UnicodeBig";
521 #endif
522 #endif /* _ALLBSD_SOURCE */
523
524 /* user properties */
525 {
526 struct passwd *pwent = getpwuid(getuid());
527 sprops.user_name = pwent ? strdup(pwent->pw_name) : "?";
528 sprops.user_home = pwent ? strdup(pwent->pw_dir) : "?";
529 }
530
531 /* User TIMEZONE */
532 {
533 /*
534 * We defer setting up timezone until it's actually necessary.
535 * Refer to TimeZone.getDefault(). However, the system
536 * property is necessary to be able to be set by the command
537 * line interface -D. Here temporarily set a null string to
538 * timezone.
539 */
540 tzset(); /* for compatibility */
541 sprops.timezone = "";
542 }
543
544 /* Current directory */
545 {
546 char buf[MAXPATHLEN];
547 errno = 0;
548 if (getcwd(buf, sizeof(buf)) == NULL)
549 JNU_ThrowByName(env, "java/lang/Error",
550 "Properties init: Could not determine current working directory.");
551 else
552 sprops.user_dir = strdup(buf);
553 }
554
555 sprops.file_separator = "/";
556 sprops.path_separator = ":";
557 sprops.line_separator = "\n";
558
559 #if !defined(_ALLBSD_SOURCE)
560 /* Append CDE message and resource search path to NLSPATH and
561 * XFILESEARCHPATH, in order to pick localized message for
562 * FileSelectionDialog window (Bug 4173641).
563 */
564 setPathEnvironment("NLSPATH=/usr/dt/lib/nls/msg/%L/%N.cat");
565 setPathEnvironment("XFILESEARCHPATH=/usr/dt/app-defaults/%L/Dt");
566 #endif
567
568
569 #ifdef MACOSX
570 setProxyProperties(&sprops);
571 #endif
572
573 return &sprops;
574 }
575
576 jstring
GetStringPlatform(JNIEnv * env,nchar * cstr)577 GetStringPlatform(JNIEnv *env, nchar* cstr)
578 {
579 return JNU_NewStringPlatform(env, cstr);
580 }
581