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 */
80static int
81mapLookup(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 */
96static void
97setPathEnvironment(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
136static 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 */
334static 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 */
363java_props_t *
364GetJavaProperties(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
576jstring
577GetStringPlatform(JNIEnv *env, nchar* cstr)
578{
579    return JNU_NewStringPlatform(env, cstr);
580}
581