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