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 #include <dlfcn.h>
27 #include <sys/socket.h>
28 #include <netinet/in.h>
29 #include <arpa/inet.h>
30
31 #include <Security/AuthSession.h>
32 #include <CoreFoundation/CoreFoundation.h>
33 #include <SystemConfiguration/SystemConfiguration.h>
34
35 #include "java_props_macosx.h"
36
37
38 // need dlopen/dlsym trick to avoid pulling in JavaRuntimeSupport before libjava.dylib is loaded
39 static void *getJRSFramework() {
40 static void *jrsFwk = NULL;
41 if (jrsFwk == NULL) {
42 jrsFwk = dlopen("/System/Library/Frameworks/JavaVM.framework/Frameworks/JavaRuntimeSupport.framework/JavaRuntimeSupport", RTLD_LAZY | RTLD_LOCAL);
43 }
44 return jrsFwk;
45 }
46
47 static char *getPosixLocale(int cat) {
48 char *lc = setlocale(cat, NULL);
49 if ((lc == NULL) || (strcmp(lc, "C") == 0)) {
50 lc = getenv("LANG");
51 }
52 if (lc == NULL) return NULL;
53 return strdup(lc);
54 }
55
56 #define LOCALEIDLENGTH 128
57 char *setupMacOSXLocale(int cat) {
58 switch (cat) {
59 case LC_MESSAGES:
60 {
61 void *jrsFwk = getJRSFramework();
62 if (jrsFwk == NULL) return getPosixLocale(cat);
63
64 char *(*JRSCopyPrimaryLanguage)() = dlsym(jrsFwk, "JRSCopyPrimaryLanguage");
65 char *primaryLanguage = JRSCopyPrimaryLanguage ? JRSCopyPrimaryLanguage() : NULL;
66 if (primaryLanguage == NULL) return getPosixLocale(cat);
67
68 char *(*JRSCopyCanonicalLanguageForPrimaryLanguage)(char *) = dlsym(jrsFwk, "JRSCopyCanonicalLanguageForPrimaryLanguage");
69 char *canonicalLanguage = JRSCopyCanonicalLanguageForPrimaryLanguage ? JRSCopyCanonicalLanguageForPrimaryLanguage(primaryLanguage) : NULL;
70 free (primaryLanguage);
71 if (canonicalLanguage == NULL) return getPosixLocale(cat);
72
73 void (*JRSSetDefaultLocalization)(char *) = dlsym(jrsFwk, "JRSSetDefaultLocalization");
74 if (JRSSetDefaultLocalization) JRSSetDefaultLocalization(canonicalLanguage);
75
76 return canonicalLanguage;
77 }
78 break;
79 default:
80 {
81 char localeString[LOCALEIDLENGTH];
82 if (CFStringGetCString(CFLocaleGetIdentifier(CFLocaleCopyCurrent()),
83 localeString, LOCALEIDLENGTH, CFStringGetSystemEncoding())) {
84 return strdup(localeString);
85 }
86 }
87 break;
88 }
89
90 return NULL;
91 }
92
93 /* There are several toolkit options on Mac OS X, so we should try to
94 * pick the "best" one, given what we know about the environment Java
95 * is running under
96 */
97
98 static PreferredToolkit getPreferredToolkitFromEnv() {
99 char *envVar = getenv("AWT_TOOLKIT");
100 if (envVar == NULL) return unset;
101
102 if (strcasecmp(envVar, "CToolkit") == 0) return CToolkit;
103 if (strcasecmp(envVar, "XToolkit") == 0) return XToolkit;
104 if (strcasecmp(envVar, "HToolkit") == 0) return HToolkit;
105 return unset;
106 }
107
108 static bool isInAquaSession() {
109 // Is the WindowServer available?
110 SecuritySessionId session_id;
111 SessionAttributeBits session_info;
112 OSStatus status = SessionGetInfo(callerSecuritySession, &session_id, &session_info);
113 if (status != noErr) return false;
114 if (!(session_info & sessionHasGraphicAccess)) return false;
115 return true;
116 }
117
118 PreferredToolkit getPreferredToolkit() {
119 static PreferredToolkit pref = unset;
120 if (pref != unset) return pref;
121
122 PreferredToolkit prefFromEnv = getPreferredToolkitFromEnv();
123 if (prefFromEnv != unset) return pref = prefFromEnv;
124
125 if (isInAquaSession()) return pref = CToolkit;
126 return pref = HToolkit;
127 }
128
129 void setUnknownOSAndVersion(java_props_t *sprops) {
130 sprops->os_name = strdup("Unknown");
131 sprops->os_version = strdup("Unknown");
132 }
133
134 void setOSNameAndVersion(java_props_t *sprops) {
135 void *jrsFwk = getJRSFramework();
136 if (jrsFwk == NULL) {
137 setUnknownOSAndVersion(sprops);
138 return;
139 }
140
141 char *(*copyOSName)() = dlsym(jrsFwk, "JRSCopyOSName");
142 char *(*copyOSVersion)() = dlsym(jrsFwk, "JRSCopyOSVersion");
143 if (copyOSName == NULL || copyOSVersion == NULL) {
144 setUnknownOSAndVersion(sprops);
145 return;
146 }
147
148 sprops->os_name = copyOSName();
149 sprops->os_version = copyOSVersion();
150 }
151
152
153 static Boolean getProxyInfoForProtocol(CFDictionaryRef inDict, CFStringRef inEnabledKey, CFStringRef inHostKey, CFStringRef inPortKey, CFStringRef *outProxyHost, int *ioProxyPort) {
154 /* See if the proxy is enabled. */
155 CFNumberRef cf_enabled = CFDictionaryGetValue(inDict, inEnabledKey);
156 if (cf_enabled == NULL) {
157 return false;
158 }
159
160 int isEnabled = false;
161 if (!CFNumberGetValue(cf_enabled, kCFNumberIntType, &isEnabled)) {
162 return isEnabled;
163 }
164
165 if (!isEnabled) return false;
166 *outProxyHost = CFDictionaryGetValue(inDict, inHostKey);
167
168 // If cf_host is null, that means the checkbox is set,
169 // but no host was entered. We'll treat that as NOT ENABLED.
170 // If cf_port is null or cf_port isn't a number, that means
171 // no port number was entered. Treat this as ENABLED with the
172 // protocol's default port.
173 if (*outProxyHost == NULL) {
174 return false;
175 }
176
177 if (CFStringGetLength(*outProxyHost) == 0) {
178 return false;
179 }
180
181 int newPort = 0;
182 CFNumberRef cf_port = NULL;
183 if ((cf_port = CFDictionaryGetValue(inDict, inPortKey)) != NULL &&
184 CFNumberGetValue(cf_port, kCFNumberIntType, &newPort) &&
185 newPort > 0) {
186 *ioProxyPort = newPort;
187 } else {
188 // bad port or no port - leave *ioProxyPort unchanged
189 }
190
191 return true;
192 }
193
194 static char *createUTF8CString(const CFStringRef theString) {
195 if (theString == NULL) return NULL;
196
197 const CFIndex stringLength = CFStringGetLength(theString);
198 const CFIndex bufSize = CFStringGetMaximumSizeForEncoding(stringLength, kCFStringEncodingUTF8) + 1;
199 char *returnVal = (char *)malloc(bufSize);
200
201 if (CFStringGetCString(theString, returnVal, bufSize, kCFStringEncodingUTF8)) {
202 return returnVal;
203 }
204
205 free(returnVal);
206 return NULL;
207 }
208
209 // Return TRUE if str is a syntactically valid IP address.
210 // Using inet_pton() instead of inet_aton() for IPv6 support.
211 // len is only a hint; cstr must still be nul-terminated
212 static int looksLikeIPAddress(char *cstr, size_t len) {
213 if (len == 0 || (len == 1 && cstr[0] == '.')) return FALSE;
214
215 char dst[16]; // big enough for INET6
216 return (1 == inet_pton(AF_INET, cstr, dst) ||
217 1 == inet_pton(AF_INET6, cstr, dst));
218 }
219
220
221
222 // Convert Mac OS X proxy exception entry to Java syntax.
223 // See Radar #3441134 for details.
224 // Returns NULL if this exception should be ignored by Java.
225 // May generate a string with multiple exceptions separated by '|'.
226 static char * createConvertedException(CFStringRef cf_original) {
227 // This is done with char* instead of CFString because inet_pton()
228 // needs a C string.
229 char *c_exception = createUTF8CString(cf_original);
230 if (!c_exception) return NULL;
231
232 int c_len = strlen(c_exception);
233
234 // 1. sanitize exception prefix
235 if (c_len >= 1 && 0 == strncmp(c_exception, ".", 1)) {
236 memmove(c_exception, c_exception+1, c_len);
237 c_len -= 1;
238 } else if (c_len >= 2 && 0 == strncmp(c_exception, "*.", 2)) {
239 memmove(c_exception, c_exception+2, c_len-1);
240 c_len -= 2;
241 }
242
243 // 2. pre-reject other exception wildcards
244 if (strchr(c_exception, '*')) {
245 free(c_exception);
246 return NULL;
247 }
248
249 // 3. no IP wildcarding
250 if (looksLikeIPAddress(c_exception, c_len)) {
251 return c_exception;
252 }
253
254 // 4. allow domain suffixes
255 // c_exception is now "str\0" - change to "str|*.str\0"
256 c_exception = reallocf(c_exception, c_len+3+c_len+1);
257 if (!c_exception) return NULL;
258
259 strncpy(c_exception+c_len, "|*.", 3);
260 strncpy(c_exception+c_len+3, c_exception, c_len);
261 c_exception[c_len+3+c_len] = '\0';
262 return c_exception;
263 }
264
265
266 /*
267 * Method for fetching proxy info and storing it in the propery list.
268 */
269 void setProxyProperties(java_props_t *sProps) {
270 if (sProps == NULL) return;
271
272 char buf[16]; /* Used for %d of an int - 16 is plenty */
273 CFStringRef
274 cf_httpHost = NULL,
275 cf_httpsHost = NULL,
276 cf_ftpHost = NULL,
277 cf_socksHost = NULL,
278 cf_gopherHost = NULL;
279 int
280 httpPort = 80, // Default proxy port values
281 httpsPort = 443,
282 ftpPort = 21,
283 socksPort = 1080,
284 gopherPort = 70;
285
286 CFDictionaryRef dict = SCDynamicStoreCopyProxies(NULL);
287 if (dict == NULL) return;
288
289 /* Read the proxy exceptions list */
290 CFArrayRef cf_list = CFDictionaryGetValue(dict, kSCPropNetProxiesExceptionsList);
291
292 CFMutableStringRef cf_exceptionList = NULL;
293 if (cf_list != NULL) {
294 CFIndex len = CFArrayGetCount(cf_list), idx;
295
296 cf_exceptionList = CFStringCreateMutable(NULL, 0);
297 for (idx = (CFIndex)0; idx < len; idx++) {
298 CFStringRef cf_ehost;
299 if ((cf_ehost = CFArrayGetValueAtIndex(cf_list, idx))) {
300 /* Convert this exception from Mac OS X syntax to Java syntax.
301 See Radar #3441134 for details. This may generate a string
302 with multiple Java exceptions separated by '|'. */
303 char *c_exception = createConvertedException(cf_ehost);
304 if (c_exception) {
305 /* Append the host to the list of exclusions. */
306 if (CFStringGetLength(cf_exceptionList) > 0) {
307 CFStringAppendCString(cf_exceptionList, "|", kCFStringEncodingMacRoman);
308 }
309 CFStringAppendCString(cf_exceptionList, c_exception, kCFStringEncodingMacRoman);
310 free(c_exception);
311 }
312 }
313 }
314 }
315
316 if (cf_exceptionList != NULL) {
317 if (CFStringGetLength(cf_exceptionList) > 0) {
318 sProps->exceptionList = createUTF8CString(cf_exceptionList);
319 }
320 CFRelease(cf_exceptionList);
321 }
322
323 #define CHECK_PROXY(protocol, PROTOCOL) \
324 sProps->protocol##ProxyEnabled = \
325 getProxyInfoForProtocol(dict, kSCPropNetProxies##PROTOCOL##Enable, \
326 kSCPropNetProxies##PROTOCOL##Proxy, \
327 kSCPropNetProxies##PROTOCOL##Port, \
328 &cf_##protocol##Host, &protocol##Port); \
329 if (sProps->protocol##ProxyEnabled) { \
330 sProps->protocol##Host = createUTF8CString(cf_##protocol##Host); \
331 snprintf(buf, sizeof(buf), "%d", protocol##Port); \
332 sProps->protocol##Port = malloc(strlen(buf) + 1); \
333 strcpy(sProps->protocol##Port, buf); \
334 }
335
336 CHECK_PROXY(http, HTTP);
337 CHECK_PROXY(https, HTTPS);
338 CHECK_PROXY(ftp, FTP);
339 CHECK_PROXY(socks, SOCKS);
340 CHECK_PROXY(gopher, Gopher);
341
342 #undef CHECK_PROXY
343
344 CFRelease(dict);
345 }