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 /* Take an array of string pairs (map of key->value) and a string (key).
72 * Examine each pair in the map to see if the first string (key) matches the
73 * string. If so, store the second string of the pair (value) in the value and
74 * return 1. Otherwise do nothing and return 0. The end of the map is
75 * indicated by an empty string at the start of a pair (key of "").
76 */
77 static int
78 mapLookup(char* map[], const char* key, char** value) {
79 int i;
80 for (i = 0; strcmp(map[i], ""); i += 2){
81 if (!strcmp(key, map[i])){
82 *value = map[i + 1];
83 return 1;
84 }
85 }
86 return 0;
87 }
88
89 #ifndef P_tmpdir
90 #define P_tmpdir "/var/tmp"
91 #endif
92
93 static int ParseLocale(JNIEnv* env, int cat, char ** std_language, char ** std_script,
94 char ** std_country, char ** std_variant, char ** std_encoding) {
95 char *temp = NULL;
96 char *language = NULL, *country = NULL, *variant = NULL,
97 *encoding = NULL;
98 char *p, *encoding_variant, *old_temp, *old_ev;
99 char *lc;
100
101 /* Query the locale set for the category */
102
103 #ifdef MACOSX
104 lc = setupMacOSXLocale(cat); // malloc'd memory, need to free
105 #else
106 lc = setlocale(cat, NULL);
107 #endif
108
109 #ifndef __linux__
110 if (lc == NULL) {
111 return 0;
112 }
113
114 temp = malloc(strlen(lc) + 1);
115 if (temp == NULL) {
116 #ifdef MACOSX
117 free(lc); // malloced memory
118 #endif
119 JNU_ThrowOutOfMemoryError(env, NULL);
120 return 0;
121 }
122
123 if (cat == LC_CTYPE) {
124 /*
125 * Workaround for Solaris bug 4201684: Xlib doesn't like @euro
126 * locales. Since we don't depend on the libc @euro behavior,
127 * we just remove the qualifier.
128 * On Linux, the bug doesn't occur; on the other hand, @euro
129 * is needed there because it's a shortcut that also determines
130 * the encoding - without it, we wouldn't get ISO-8859-15.
131 * Therefore, this code section is Solaris-specific.
132 */
133 strcpy(temp, lc);
134 p = strstr(temp, "@euro");
135 if (p != NULL) {
136 *p = '\0';
137 setlocale(LC_ALL, temp);
138 }
139 }
140 #else
141 if (lc == NULL || !strcmp(lc, "C") || !strcmp(lc, "POSIX")) {
142 lc = "en_US";
143 }
144
145 temp = malloc(strlen(lc) + 1);
146 if (temp == NULL) {
147 JNU_ThrowOutOfMemoryError(env, NULL);
148 return 0;
149 }
150
151 #endif
152
153 /*
154 * locale string format in Solaris is
155 * <language name>_<country name>.<encoding name>@<variant name>
156 * <country name>, <encoding name>, and <variant name> are optional.
157 */
158
159 strcpy(temp, lc);
160 #ifdef MACOSX
161 free(lc); // malloced memory
162 #endif
163 /* Parse the language, country, encoding, and variant from the
164 * locale. Any of the elements may be missing, but they must occur
165 * in the order language_country.encoding@variant, and must be
166 * preceded by their delimiter (except for language).
167 *
168 * If the locale name (without .encoding@variant, if any) matches
169 * any of the names in the locale_aliases list, map it to the
170 * corresponding full locale name. Most of the entries in the
171 * locale_aliases list are locales that include a language name but
172 * no country name, and this facility is used to map each language
173 * to a default country if that's possible. It's also used to map
174 * the Solaris locale aliases to their proper Java locale IDs.
175 */
176
177 encoding_variant = malloc(strlen(temp)+1);
178 if (encoding_variant == NULL) {
179 free(temp);
180 JNU_ThrowOutOfMemoryError(env, NULL);
181 return 0;
182 }
183
184 if ((p = strchr(temp, '.')) != NULL) {
185 strcpy(encoding_variant, p); /* Copy the leading '.' */
186 *p = '\0';
187 } else if ((p = strchr(temp, '@')) != NULL) {
188 strcpy(encoding_variant, p); /* Copy the leading '@' */
189 *p = '\0';
190 } else {
191 *encoding_variant = '\0';
192 }
193
194 if (mapLookup(locale_aliases, temp, &p)) {
195 old_temp = temp;
196 temp = realloc(temp, strlen(p)+1);
197 if (temp == NULL) {
198 free(old_temp);
199 free(encoding_variant);
200 JNU_ThrowOutOfMemoryError(env, NULL);
201 return 0;
202 }
203 strcpy(temp, p);
204 old_ev = encoding_variant;
205 encoding_variant = realloc(encoding_variant, strlen(temp)+1);
206 if (encoding_variant == NULL) {
207 free(old_ev);
208 free(temp);
209 JNU_ThrowOutOfMemoryError(env, NULL);
210 return 0;
211 }
212 // check the "encoding_variant" again, if any.
213 if ((p = strchr(temp, '.')) != NULL) {
214 strcpy(encoding_variant, p); /* Copy the leading '.' */
215 *p = '\0';
216 } else if ((p = strchr(temp, '@')) != NULL) {
217 strcpy(encoding_variant, p); /* Copy the leading '@' */
218 *p = '\0';
219 }
220 }
221
222 language = temp;
223 if ((country = strchr(temp, '_')) != NULL) {
224 *country++ = '\0';
225 }
226
227 p = encoding_variant;
228 if ((encoding = strchr(p, '.')) != NULL) {
229 p[encoding++ - p] = '\0';
230 p = encoding;
231 }
232 if ((variant = strchr(p, '@')) != NULL) {
233 p[variant++ - p] = '\0';
234 }
235
236 /* Normalize the language name */
237 if (std_language != NULL) {
238 *std_language = "en";
239 if (language != NULL && mapLookup(language_names, language, std_language) == 0) {
240 *std_language = malloc(strlen(language)+1);
241 strcpy(*std_language, language);
242 }
243 }
244
245 /* Normalize the country name */
246 if (std_country != NULL && country != NULL) {
247 if (mapLookup(country_names, country, std_country) == 0) {
248 *std_country = malloc(strlen(country)+1);
249 strcpy(*std_country, country);
250 }
251 }
252
253 /* Normalize the script and variant name. Note that we only use
254 * variants listed in the mapping array; others are ignored.
255 */
256 if (variant != NULL) {
257 if (std_script != NULL) {
258 mapLookup(script_names, variant, std_script);
259 }
260
261 if (std_variant != NULL) {
262 mapLookup(variant_names, variant, std_variant);
263 }
264 }
265
266 /* Normalize the encoding name. Note that we IGNORE the string
267 * 'encoding' extracted from the locale name above. Instead, we use the
268 * more reliable method of calling nl_langinfo(CODESET). This function
269 * returns an empty string if no encoding is set for the given locale
270 * (e.g., the C or POSIX locales); we use the default ISO 8859-1
271 * converter for such locales.
272 */
273 if (std_encoding != NULL) {
274 /* OK, not so reliable - nl_langinfo() gives wrong answers on
275 * Euro locales, in particular. */
276 if (strcmp(p, "ISO8859-15") == 0)
277 p = "ISO8859-15";
278 else
279 p = nl_langinfo(CODESET);
280
281 /* Convert the bare "646" used on Solaris to a proper IANA name */
282 if (strcmp(p, "646") == 0)
283 p = "ISO646-US";
284
285 /* return same result nl_langinfo would return for en_UK,
286 * in order to use optimizations. */
287 *std_encoding = (*p != '\0') ? p : "ISO8859-1";
288
289 #ifdef __linux__
290 /*
291 * Remap the encoding string to a different value for japanese
292 * locales on linux so that customized converters are used instead
293 * of the default converter for "EUC-JP". The customized converters
294 * omit support for the JIS0212 encoding which is not supported by
295 * the variant of "EUC-JP" encoding used on linux
296 */
297 if (strcmp(p, "EUC-JP") == 0) {
298 *std_encoding = "EUC-JP-LINUX";
299 }
300 #else
301 if (strcmp(p,"eucJP") == 0) {
302 /* For Solaris use customized vendor defined character
303 * customized EUC-JP converter
304 */
305 *std_encoding = "eucJP-open";
306 } else if (strcmp(p, "Big5") == 0 || strcmp(p, "BIG5") == 0) {
307 /*
308 * Remap the encoding string to Big5_Solaris which augments
309 * the default converter for Solaris Big5 locales to include
310 * seven additional ideographic characters beyond those included
311 * in the Java "Big5" converter.
312 */
313 *std_encoding = "Big5_Solaris";
314 } else if (strcmp(p, "Big5-HKSCS") == 0) {
315 /*
316 * Solaris uses HKSCS2001
317 */
318 *std_encoding = "Big5-HKSCS-2001";
319 }
320 #endif
321 #ifdef MACOSX
322 /*
323 * For the case on MacOS X where encoding is set to US-ASCII, but we
324 * don't have any encoding hints from LANG/LC_ALL/LC_CTYPE, use UTF-8
325 * instead.
326 *
327 * The contents of ASCII files will still be read and displayed
328 * correctly, but so will files containing UTF-8 characters beyond the
329 * standard ASCII range.
330 *
331 * Specifically, this allows apps launched by double-clicking a .jar
332 * file to correctly read UTF-8 files using the default encoding (see
333 * 8011194).
334 */
335 if (strcmp(p,"US-ASCII") == 0 && getenv("LANG") == NULL &&
336 getenv("LC_ALL") == NULL && getenv("LC_CTYPE") == NULL) {
337 *std_encoding = "UTF-8";
338 }
339 #endif
340 }
341
342 free(temp);
343 free(encoding_variant);
344
345 return 1;
346 }
347
348 /* This function gets called very early, before VM_CALLS are setup.
349 * Do not use any of the VM_CALLS entries!!!
350 */
351 java_props_t *
352 GetJavaProperties(JNIEnv *env)
353 {
354 static java_props_t sprops;
355 char *v; /* tmp var */
356
357 if (sprops.user_dir) {
358 return &sprops;
359 }
360
361 /* tmp dir */
362 sprops.tmp_dir = P_tmpdir;
363 #ifdef MACOSX
364 /* darwin has a per-user temp dir */
365 static char tmp_path[PATH_MAX];
366 int pathSize = confstr(_CS_DARWIN_USER_TEMP_DIR, tmp_path, PATH_MAX);
367 if (pathSize > 0 && pathSize <= PATH_MAX) {
368 sprops.tmp_dir = tmp_path;
369 }
370 #endif /* MACOSX */
371
372 /* Printing properties */
373 #ifdef MACOSX
374 sprops.printerJob = "sun.lwawt.macosx.CPrinterJob";
375 #else
376 sprops.printerJob = "sun.print.PSPrinterJob";
377 #endif
378
379 /* patches/service packs installed */
380 sprops.patch_level = "unknown";
381
382 /* Java 2D/AWT properties */
383 #ifdef MACOSX
384 // Always the same GraphicsEnvironment and Toolkit on Mac OS X
385 sprops.graphics_env = "sun.awt.CGraphicsEnvironment";
386 sprops.awt_toolkit = "sun.lwawt.macosx.LWCToolkit";
387
388 // check if we're in a GUI login session and set java.awt.headless=true if not
389 sprops.awt_headless = isInAquaSession() ? NULL : "true";
390 #else
391 sprops.graphics_env = "sun.awt.X11GraphicsEnvironment";
392 sprops.awt_toolkit = "sun.awt.X11.XToolkit";
393 #endif
394
395 /* This is used only for debugging of font problems. */
396 v = getenv("JAVA2D_FONTPATH");
397 sprops.font_dir = v ? v : NULL;
398
399 #ifdef SI_ISALIST
400 /* supported instruction sets */
401 {
402 char list[258];
403 sysinfo(SI_ISALIST, list, sizeof(list));
404 sprops.cpu_isalist = strdup(list);
405 }
406 #else
407 sprops.cpu_isalist = NULL;
408 #endif
409
410 /* endianness of platform */
411 {
412 unsigned int endianTest = 0xff000000;
413 if (((char*)(&endianTest))[0] != 0)
414 sprops.cpu_endian = "big";
415 else
416 sprops.cpu_endian = "little";
417 }
418
419 /* os properties */
420 {
421 #ifdef MACOSX
422 setOSNameAndVersion(&sprops);
423 #else
424 struct utsname name;
425 uname(&name);
426 sprops.os_name = strdup(name.sysname);
427 #ifdef _AIX
428 {
429 char *os_version = malloc(strlen(name.version) +
430 strlen(name.release) + 2);
431 if (os_version != NULL) {
432 strcpy(os_version, name.version);
433 strcat(os_version, ".");
434 strcat(os_version, name.release);
435 }
436 sprops.os_version = os_version;
437 }
438 #else
439 sprops.os_version = strdup(name.release);
440 #endif /* _AIX */
441 #endif /* MACOSX */
442
443 sprops.os_arch = ARCHPROPNAME;
444
445 if (getenv("GNOME_DESKTOP_SESSION_ID") != NULL) {
446 sprops.desktop = "gnome";
447 }
448 else {
449 sprops.desktop = NULL;
450 }
451 }
452
453 /* ABI property (optional) */
454 #ifdef JDK_ARCH_ABI_PROP_NAME
455 sprops.sun_arch_abi = JDK_ARCH_ABI_PROP_NAME;
456 #endif
457
458 /* Determine the language, country, variant, and encoding from the host,
459 * and store these in the user.language, user.country, user.variant and
460 * file.encoding system properties. */
461 setlocale(LC_ALL, "");
462 if (ParseLocale(env, LC_CTYPE,
463 &(sprops.format_language),
464 &(sprops.format_script),
465 &(sprops.format_country),
466 &(sprops.format_variant),
467 &(sprops.encoding))) {
468 ParseLocale(env, LC_MESSAGES,
469 &(sprops.language),
470 &(sprops.script),
471 &(sprops.country),
472 &(sprops.variant),
473 NULL);
474 } else {
475 sprops.language = "en";
476 sprops.encoding = "ISO8859-1";
477 }
478 sprops.display_language = sprops.language;
479 sprops.display_script = sprops.script;
480 sprops.display_country = sprops.country;
481 sprops.display_variant = sprops.variant;
482
483 /* ParseLocale failed with OOME */
484 JNU_CHECK_EXCEPTION_RETURN(env, NULL);
485
486 #ifdef MACOSX
487 sprops.sun_jnu_encoding = "UTF-8";
488 #else
489 sprops.sun_jnu_encoding = sprops.encoding;
490 #endif
491
492 #ifdef _ALLBSD_SOURCE
493 #if BYTE_ORDER == _LITTLE_ENDIAN
494 sprops.unicode_encoding = "UnicodeLittle";
495 #else
496 sprops.unicode_encoding = "UnicodeBig";
497 #endif
498 #else /* !_ALLBSD_SOURCE */
499 #ifdef __linux__
500 #if __BYTE_ORDER == __LITTLE_ENDIAN
501 sprops.unicode_encoding = "UnicodeLittle";
502 #else
503 sprops.unicode_encoding = "UnicodeBig";
504 #endif
505 #else
506 sprops.unicode_encoding = "UnicodeBig";
507 #endif
508 #endif /* _ALLBSD_SOURCE */
509
510 /* user properties */
511 {
512 struct passwd *pwent = getpwuid(getuid());
513 sprops.user_name = pwent ? strdup(pwent->pw_name) : "?";
514 #ifdef MACOSX
515 setUserHome(&sprops);
516 #else
517 sprops.user_home = pwent ? strdup(pwent->pw_dir) : NULL;
518 #endif
519 if (sprops.user_home == NULL) {
520 sprops.user_home = "?";
521 }
522 }
523
524 /* User TIMEZONE */
525 {
526 /*
527 * We defer setting up timezone until it's actually necessary.
528 * Refer to TimeZone.getDefault(). However, the system
529 * property is necessary to be able to be set by the command
530 * line interface -D. Here temporarily set a null string to
531 * timezone.
532 */
533 tzset(); /* for compatibility */
534 sprops.timezone = "";
535 }
536
537 /* Current directory */
538 {
539 char buf[MAXPATHLEN];
540 errno = 0;
541 if (getcwd(buf, sizeof(buf)) == NULL)
542 JNU_ThrowByName(env, "java/lang/Error",
543 "Properties init: Could not determine current working directory.");
544 else
545 sprops.user_dir = strdup(buf);
546 }
547
548 sprops.file_separator = "/";
549 sprops.path_separator = ":";
550 sprops.line_separator = "\n";
551
552 #ifdef MACOSX
553 setProxyProperties(&sprops);
554 #endif
555
556 return &sprops;
557 }
558
559 jstring
560 GetStringPlatform(JNIEnv *env, nchar* cstr)
561 {
562 return JNU_NewStringPlatform(env, cstr);
563 }