1 /*
2 * Copyright (c) 1998, 2013, 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 #ifndef P_tmpdir
95 #define P_tmpdir "/var/tmp"
96 #endif
97
98 static int ParseLocale(JNIEnv* env, int cat, char ** std_language, char ** std_script,
99 char ** std_country, char ** std_variant, char ** std_encoding) {
100 char *temp = NULL;
101 char *language = NULL, *country = NULL, *variant = NULL,
102 *encoding = NULL;
103 char *p, *encoding_variant, *old_temp, *old_ev;
104 char *lc;
105
106 /* Query the locale set for the category */
107
108 #ifdef MACOSX
109 lc = setupMacOSXLocale(cat); // malloc'd memory, need to free
110 #else
111 lc = setlocale(cat, NULL);
112 #endif
113
114 #ifndef __linux__
115 if (lc == NULL) {
116 return 0;
117 }
118
119 temp = malloc(strlen(lc) + 1);
120 if (temp == NULL) {
121 #ifdef MACOSX
122 free(lc); // malloced memory
123 #endif
124 JNU_ThrowOutOfMemoryError(env, NULL);
125 return 0;
126 }
127
128 if (cat == LC_CTYPE) {
129 /*
130 * Workaround for Solaris bug 4201684: Xlib doesn't like @euro
131 * locales. Since we don't depend on the libc @euro behavior,
132 * we just remove the qualifier.
133 * On Linux, the bug doesn't occur; on the other hand, @euro
134 * is needed there because it's a shortcut that also determines
135 * the encoding - without it, we wouldn't get ISO-8859-15.
136 * Therefore, this code section is Solaris-specific.
137 */
138 strcpy(temp, lc);
139 p = strstr(temp, "@euro");
140 if (p != NULL) {
141 *p = '\0';
142 setlocale(LC_ALL, temp);
143 }
144 }
145 #else
146 if (lc == NULL || !strcmp(lc, "C") || !strcmp(lc, "POSIX")) {
147 lc = "en_US";
148 }
149
150 temp = malloc(strlen(lc) + 1);
151 if (temp == NULL) {
152 JNU_ThrowOutOfMemoryError(env, NULL);
153 return 0;
154 }
155
156 #endif
157
158 /*
159 * locale string format in Solaris is
160 * <language name>_<country name>.<encoding name>@<variant name>
161 * <country name>, <encoding name>, and <variant name> are optional.
162 */
163
164 strcpy(temp, lc);
165 #ifdef MACOSX
166 free(lc); // malloced memory
167 #endif
168 /* Parse the language, country, encoding, and variant from the
169 * locale. Any of the elements may be missing, but they must occur
170 * in the order language_country.encoding@variant, and must be
171 * preceded by their delimiter (except for language).
172 *
173 * If the locale name (without .encoding@variant, if any) matches
174 * any of the names in the locale_aliases list, map it to the
175 * corresponding full locale name. Most of the entries in the
176 * locale_aliases list are locales that include a language name but
177 * no country name, and this facility is used to map each language
178 * to a default country if that's possible. It's also used to map
179 * the Solaris locale aliases to their proper Java locale IDs.
180 */
181
182 encoding_variant = malloc(strlen(temp)+1);
183 if (encoding_variant == NULL) {
184 free(temp);
185 JNU_ThrowOutOfMemoryError(env, NULL);
186 return 0;
187 }
188
189 if ((p = strchr(temp, '.')) != NULL) {
190 strcpy(encoding_variant, p); /* Copy the leading '.' */
191 *p = '\0';
192 } else if ((p = strchr(temp, '@')) != NULL) {
193 strcpy(encoding_variant, p); /* Copy the leading '@' */
194 *p = '\0';
195 } else {
196 *encoding_variant = '\0';
197 }
198
199 if (mapLookup(locale_aliases, temp, &p)) {
200 old_temp = temp;
201 temp = realloc(temp, strlen(p)+1);
202 if (temp == NULL) {
203 free(old_temp);
204 free(encoding_variant);
205 JNU_ThrowOutOfMemoryError(env, NULL);
206 return 0;
207 }
208 strcpy(temp, p);
209 old_ev = encoding_variant;
210 encoding_variant = realloc(encoding_variant, strlen(temp)+1);
211 if (encoding_variant == NULL) {
212 free(old_ev);
213 free(temp);
214 JNU_ThrowOutOfMemoryError(env, NULL);
215 return 0;
216 }
217 // check the "encoding_variant" again, if any.
218 if ((p = strchr(temp, '.')) != NULL) {
219 strcpy(encoding_variant, p); /* Copy the leading '.' */
220 *p = '\0';
221 } else if ((p = strchr(temp, '@')) != NULL) {
222 strcpy(encoding_variant, p); /* Copy the leading '@' */
223 *p = '\0';
224 }
225 }
226
227 language = temp;
228 if ((country = strchr(temp, '_')) != NULL) {
229 *country++ = '\0';
230 }
231
232 p = encoding_variant;
233 if ((encoding = strchr(p, '.')) != NULL) {
234 p[encoding++ - p] = '\0';
235 p = encoding;
236 }
237 if ((variant = strchr(p, '@')) != NULL) {
238 p[variant++ - p] = '\0';
239 }
240
241 /* Normalize the language name */
242 if (std_language != NULL) {
243 *std_language = "en";
244 if (language != NULL && mapLookup(language_names, language, std_language) == 0) {
245 *std_language = malloc(strlen(language)+1);
246 strcpy(*std_language, language);
247 }
248 }
249
250 /* Normalize the country name */
251 if (std_country != NULL && country != NULL) {
252 if (mapLookup(country_names, country, std_country) == 0) {
253 *std_country = malloc(strlen(country)+1);
254 strcpy(*std_country, country);
255 }
256 }
257
258 /* Normalize the script and variant name. Note that we only use
259 * variants listed in the mapping array; others are ignored.
260 */
261 if (variant != NULL) {
262 if (std_script != NULL) {
263 mapLookup(script_names, variant, std_script);
264 }
265
266 if (std_variant != NULL) {
267 mapLookup(variant_names, variant, std_variant);
268 }
269 }
270
271 /* Normalize the encoding name. Note that we IGNORE the string
272 * 'encoding' extracted from the locale name above. Instead, we use the
273 * more reliable method of calling nl_langinfo(CODESET). This function
274 * returns an empty string if no encoding is set for the given locale
275 * (e.g., the C or POSIX locales); we use the default ISO 8859-1
276 * converter for such locales.
277 */
278 if (std_encoding != NULL) {
279 /* OK, not so reliable - nl_langinfo() gives wrong answers on
280 * Euro locales, in particular. */
281 if (strcmp(p, "ISO8859-15") == 0)
282 p = "ISO8859-15";
283 else
284 p = nl_langinfo(CODESET);
285
286 /* Convert the bare "646" used on Solaris to a proper IANA name */
287 if (strcmp(p, "646") == 0)
288 p = "ISO646-US";
289
290 /* return same result nl_langinfo would return for en_UK,
291 * in order to use optimizations. */
292 *std_encoding = (*p != '\0') ? p : "ISO8859-1";
293
294 #ifdef __linux__
295 /*
296 * Remap the encoding string to a different value for japanese
297 * locales on linux so that customized converters are used instead
298 * of the default converter for "EUC-JP". The customized converters
299 * omit support for the JIS0212 encoding which is not supported by
300 * the variant of "EUC-JP" encoding used on linux
301 */
302 if (strcmp(p, "EUC-JP") == 0) {
303 *std_encoding = "EUC-JP-LINUX";
304 }
305 #else
306 if (strcmp(p,"eucJP") == 0) {
307 /* For Solaris use customized vendor defined character
308 * customized EUC-JP converter
309 */
310 *std_encoding = "eucJP-open";
311 } else if (strcmp(p, "Big5") == 0 || strcmp(p, "BIG5") == 0) {
312 /*
313 * Remap the encoding string to Big5_Solaris which augments
314 * the default converter for Solaris Big5 locales to include
315 * seven additional ideographic characters beyond those included
316 * in the Java "Big5" converter.
317 */
318 *std_encoding = "Big5_Solaris";
319 } else if (strcmp(p, "Big5-HKSCS") == 0) {
320 /*
321 * Solaris uses HKSCS2001
322 */
323 *std_encoding = "Big5-HKSCS-2001";
324 }
325 #endif
326 #ifdef MACOSX
327 /*
328 * For the case on MacOS X where encoding is set to US-ASCII, but we
329 * don't have any encoding hints from LANG/LC_ALL/LC_CTYPE, use UTF-8
330 * instead.
331 *
332 * The contents of ASCII files will still be read and displayed
333 * correctly, but so will files containing UTF-8 characters beyond the
334 * standard ASCII range.
335 *
336 * Specifically, this allows apps launched by double-clicking a .jar
337 * file to correctly read UTF-8 files using the default encoding (see
338 * 8011194).
339 */
340 if (strcmp(p,"US-ASCII") == 0 && getenv("LANG") == NULL &&
341 getenv("LC_ALL") == NULL && getenv("LC_CTYPE") == NULL) {
342 *std_encoding = "UTF-8";
343 }
344 #endif
345 }
346
347 free(temp);
348 free(encoding_variant);
349
350 return 1;
351 }
352
353 #ifdef JAVASE_EMBEDDED
354 /* Determine the default embedded toolkit based on whether libawt_xawt
355 * exists in the JRE. This can still be overridden by -Dawt.toolkit=XXX
356 */
357 static char* getEmbeddedToolkit() {
358 Dl_info dlinfo;
359 char buf[MAXPATHLEN];
360 int32_t len;
361 char *p;
362 struct stat statbuf;
363
364 /* Get address of this library and the directory containing it. */
365 dladdr((void *)getEmbeddedToolkit, &dlinfo);
366 realpath((char *)dlinfo.dli_fname, buf);
367 len = strlen(buf);
368 p = strrchr(buf, '/');
369 /* Default AWT Toolkit on Linux and Solaris is XAWT (libawt_xawt.so). */
370 strncpy(p, "/libawt_xawt.so", MAXPATHLEN-len-1);
371 /* Check if it exists */
372 if (stat(buf, &statbuf) == -1 && errno == ENOENT) {
373 /* No - this is a reduced-headless-jre so use special HToolkit */
374 return "sun.awt.HToolkit";
375 }
376 else {
377 /* Yes - this is a headful JRE so fallback to SE defaults */
378 return NULL;
379 }
380 }
381 #endif
382
383 /* This function gets called very early, before VM_CALLS are setup.
384 * Do not use any of the VM_CALLS entries!!!
385 */
386 java_props_t *
387 GetJavaProperties(JNIEnv *env)
388 {
389 static java_props_t sprops;
390 char *v; /* tmp var */
391
392 if (sprops.user_dir) {
393 return &sprops;
394 }
395
396 /* tmp dir */
397 sprops.tmp_dir = P_tmpdir;
398 #ifdef MACOSX
399 /* darwin has a per-user temp dir */
400 static char tmp_path[PATH_MAX];
401 int pathSize = confstr(_CS_DARWIN_USER_TEMP_DIR, tmp_path, PATH_MAX);
402 if (pathSize > 0 && pathSize <= PATH_MAX) {
403 sprops.tmp_dir = tmp_path;
404 }
405 #endif /* MACOSX */
406
407 /* Printing properties */
408 #ifdef MACOSX
409 sprops.printerJob = "sun.lwawt.macosx.CPrinterJob";
410 #else
411 sprops.printerJob = "sun.print.PSPrinterJob";
412 #endif
413
414 /* patches/service packs installed */
415 sprops.patch_level = "unknown";
416
417 /* Java 2D/AWT properties */
418 #ifdef MACOSX
419 // Always the same GraphicsEnvironment and Toolkit on Mac OS X
420 sprops.graphics_env = "sun.awt.CGraphicsEnvironment";
421 sprops.awt_toolkit = "sun.lwawt.macosx.LWCToolkit";
422
423 // check if we're in a GUI login session and set java.awt.headless=true if not
424 sprops.awt_headless = isInAquaSession() ? NULL : "true";
425 #else
426 sprops.graphics_env = "sun.awt.X11GraphicsEnvironment";
427 #ifdef JAVASE_EMBEDDED
428 sprops.awt_toolkit = getEmbeddedToolkit();
429 if (sprops.awt_toolkit == NULL) // default as below
430 #endif
431 sprops.awt_toolkit = "sun.awt.X11.XToolkit";
432 #endif
433
434 /* This is used only for debugging of font problems. */
435 v = getenv("JAVA2D_FONTPATH");
436 sprops.font_dir = v ? v : NULL;
437
438 #ifdef SI_ISALIST
439 /* supported instruction sets */
440 {
441 char list[258];
442 sysinfo(SI_ISALIST, list, sizeof(list));
443 sprops.cpu_isalist = strdup(list);
444 }
445 #else
446 sprops.cpu_isalist = NULL;
447 #endif
448
449 /* endianness of platform */
450 {
451 unsigned int endianTest = 0xff000000;
452 if (((char*)(&endianTest))[0] != 0)
453 sprops.cpu_endian = "big";
454 else
455 sprops.cpu_endian = "little";
456 }
457
458 /* os properties */
459 {
460 #ifdef MACOSX
461 setOSNameAndVersion(&sprops);
462 #else
463 struct utsname name;
464 uname(&name);
465 sprops.os_name = strdup(name.sysname);
466 #ifdef _AIX
467 {
468 char *os_version = malloc(strlen(name.version) +
469 strlen(name.release) + 2);
470 if (os_version != NULL) {
471 strcpy(os_version, name.version);
472 strcat(os_version, ".");
473 strcat(os_version, name.release);
474 }
475 sprops.os_version = os_version;
476 }
477 #else
478 sprops.os_version = strdup(name.release);
479 #endif /* _AIX */
480 #endif /* MACOSX */
481
482 sprops.os_arch = ARCHPROPNAME;
483
484 if (getenv("GNOME_DESKTOP_SESSION_ID") != NULL) {
485 sprops.desktop = "gnome";
486 }
487 else {
488 sprops.desktop = NULL;
489 }
490 }
491
492 /* ABI property (optional) */
493 #ifdef JDK_ARCH_ABI_PROP_NAME
494 sprops.sun_arch_abi = JDK_ARCH_ABI_PROP_NAME;
495 #endif
496
497 /* Determine the language, country, variant, and encoding from the host,
498 * and store these in the user.language, user.country, user.variant and
499 * file.encoding system properties. */
500 setlocale(LC_ALL, "");
501 if (ParseLocale(env, LC_CTYPE,
502 &(sprops.format_language),
503 &(sprops.format_script),
504 &(sprops.format_country),
505 &(sprops.format_variant),
506 &(sprops.encoding))) {
507 ParseLocale(env, LC_MESSAGES,
508 &(sprops.language),
509 &(sprops.script),
510 &(sprops.country),
511 &(sprops.variant),
512 NULL);
513 } else {
514 sprops.language = "en";
515 sprops.encoding = "ISO8859-1";
516 }
517 sprops.display_language = sprops.language;
518 sprops.display_script = sprops.script;
519 sprops.display_country = sprops.country;
520 sprops.display_variant = sprops.variant;
521
522 /* ParseLocale failed with OOME */
523 JNU_CHECK_EXCEPTION_RETURN(env, NULL);
524
525 #ifdef MACOSX
526 sprops.sun_jnu_encoding = "UTF-8";
527 #else
528 sprops.sun_jnu_encoding = sprops.encoding;
529 #endif
530
531 #ifdef _ALLBSD_SOURCE
532 #if BYTE_ORDER == _LITTLE_ENDIAN
533 sprops.unicode_encoding = "UnicodeLittle";
534 #else
535 sprops.unicode_encoding = "UnicodeBig";
536 #endif
537 #else /* !_ALLBSD_SOURCE */
538 #ifdef __linux__
539 #if __BYTE_ORDER == __LITTLE_ENDIAN
540 sprops.unicode_encoding = "UnicodeLittle";
541 #else
542 sprops.unicode_encoding = "UnicodeBig";
543 #endif
544 #else
545 sprops.unicode_encoding = "UnicodeBig";
546 #endif
547 #endif /* _ALLBSD_SOURCE */
548
549 /* user properties */
550 {
551 struct passwd *pwent = getpwuid(getuid());
552 sprops.user_name = pwent ? strdup(pwent->pw_name) : "?";
553 #ifdef MACOSX
554 setUserHome(&sprops);
555 #else
556 sprops.user_home = pwent ? strdup(pwent->pw_dir) : NULL;
557 #endif
558 if (sprops.user_home == NULL) {
559 sprops.user_home = "?";
560 }
561 }
562
563 /* User TIMEZONE */
564 {
565 /*
566 * We defer setting up timezone until it's actually necessary.
567 * Refer to TimeZone.getDefault(). However, the system
568 * property is necessary to be able to be set by the command
569 * line interface -D. Here temporarily set a null string to
570 * timezone.
571 */
572 tzset(); /* for compatibility */
573 sprops.timezone = "";
574 }
575
576 /* Current directory */
577 {
578 char buf[MAXPATHLEN];
579 errno = 0;
580 if (getcwd(buf, sizeof(buf)) == NULL)
581 JNU_ThrowByName(env, "java/lang/Error",
582 "Properties init: Could not determine current working directory.");
583 else
584 sprops.user_dir = strdup(buf);
585 }
586
587 sprops.file_separator = "/";
588 sprops.path_separator = ":";
589 sprops.line_separator = "\n";
590
591 #ifdef MACOSX
592 setProxyProperties(&sprops);
593 #endif
594
595 return &sprops;
596 }
597
598 jstring
599 GetStringPlatform(JNIEnv *env, nchar* cstr)
600 {
601 return JNU_NewStringPlatform(env, cstr);
602 }