1 /*
   2  * Copyright (c) 1998, 2017, 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 <sys/socket.h>
  27 #include <netinet/in.h>
  28 #include <arpa/inet.h>
  29 #include <objc/objc-runtime.h>
  30 
  31 #include <Security/AuthSession.h>
  32 #include <CoreFoundation/CoreFoundation.h>
  33 #include <SystemConfiguration/SystemConfiguration.h>
  34 #include <Foundation/Foundation.h>
  35 
  36 #include "java_props_macosx.h"
  37 
  38 char *getPosixLocale(int cat) {
  39     char *lc = setlocale(cat, NULL);
  40     if ((lc == NULL) || (strcmp(lc, "C") == 0)) {
  41         lc = getenv("LANG");
  42     }
  43     if (lc == NULL) return NULL;
  44     return strdup(lc);
  45 }
  46 
  47 #define LOCALEIDLENGTH  128
  48 char *getMacOSXLocale(int cat) {
  49     const char* retVal = NULL;
  50     char languageString[LOCALEIDLENGTH];
  51     char localeString[LOCALEIDLENGTH];
  52 
  53     switch (cat) {
  54     case LC_MESSAGES:
  55         {
  56             // get preferred language code
  57             CFArrayRef languages = CFLocaleCopyPreferredLanguages();
  58             if (languages == NULL) {
  59                 return NULL;
  60             }
  61             if (CFArrayGetCount(languages) <= 0) {
  62                 CFRelease(languages);
  63                 return NULL;
  64             }
  65 
  66             CFStringRef primaryLanguage = (CFStringRef)CFArrayGetValueAtIndex(languages, 0);
  67             if (primaryLanguage == NULL) {
  68                 CFRelease(languages);
  69                 return NULL;
  70             }
  71             if (CFStringGetCString(primaryLanguage, languageString,
  72                                    LOCALEIDLENGTH, CFStringGetSystemEncoding()) == false) {
  73                 CFRelease(languages);
  74                 return NULL;
  75             }
  76             CFRelease(languages);
  77 
  78             retVal = languageString;
  79 
  80             // Special case for Portuguese in Brazil:
  81             // The language code needs the "_BR" region code (to distinguish it
  82             // from Portuguese in Portugal), but this is missing when using the
  83             // "Portuguese (Brazil)" language.
  84             // If language is "pt" and the current locale is pt_BR, return pt_BR.
  85             if (strcmp(retVal, "pt") == 0 &&
  86                     CFStringGetCString(CFLocaleGetIdentifier(CFLocaleCopyCurrent()),
  87                                        localeString, LOCALEIDLENGTH, CFStringGetSystemEncoding()) &&
  88                     strcmp(localeString, "pt_BR") == 0) {
  89                 retVal = localeString;
  90             }
  91         }
  92         break;
  93     default:
  94         {
  95             if (!CFStringGetCString(CFLocaleGetIdentifier(CFLocaleCopyCurrent()),
  96                                     localeString, LOCALEIDLENGTH, CFStringGetSystemEncoding())) {
  97                 return NULL;
  98             }
  99             retVal = localeString;
 100         }
 101         break;
 102     }
 103 
 104     if (retVal != NULL) {
 105         // Language IDs use the language designators and (optional) region
 106         // and script designators of BCP 47.  So possible formats are:
 107         //
 108         // "en"         (language designator only)
 109         // "haw"        (3-letter lanuage designator)
 110         // "en-GB"      (language with alpha-2 region designator)
 111         // "es-419"     (language with 3-digit UN M.49 area code)
 112         // "zh-Hans"    (language with ISO 15924 script designator)
 113         // "zh-Hans-US"  (language with ISO 15924 script designator and region)
 114         // "zh-Hans-419" (language with ISO 15924 script designator and UN M.49)
 115         //
 116         // In the case of region designators (alpha-2 and/or UN M.49), we convert
 117         // to our locale string format by changing '-' to '_'.  That is, if
 118         // the '-' is followed by fewer than 4 chars.
 119         char* scriptOrRegion = strchr(retVal, '-');
 120         if (scriptOrRegion != NULL) {
 121             int length = strlen(scriptOrRegion);
 122             if (length > 5) {
 123                 // Region and script both exist. Honor the script for now
 124                 scriptOrRegion[5] = '\0';
 125             } else if (length < 5) {
 126                 *scriptOrRegion = '_';
 127 
 128                 assert((length == 3 &&
 129                     // '-' followed by a 2 character region designator
 130                       isalpha(scriptOrRegion[1]) &&
 131                       isalpha(scriptOrRegion[2])) ||
 132                        (length == 4 &&
 133                     // '-' followed by a 3-digit UN M.49 area code
 134                       isdigit(scriptOrRegion[1]) &&
 135                       isdigit(scriptOrRegion[2]) &&
 136                       isdigit(scriptOrRegion[3])));
 137             }
 138         }
 139 
 140         return strdup(retVal);
 141     }
 142     return NULL;
 143 }
 144 
 145 char *setupMacOSXLocale(int cat) {
 146     char * ret = getMacOSXLocale(cat);
 147 
 148     if (ret == NULL) {
 149         return getPosixLocale(cat);
 150     } else {
 151         return ret;
 152     }
 153 }
 154 
 155 int isInAquaSession() {
 156     // environment variable to bypass the aqua session check
 157     char *ev = getenv("AWT_FORCE_HEADFUL");
 158     if (ev && (strncasecmp(ev, "true", 4) == 0)) {
 159         // if "true" then tell the caller we're in an Aqua session without actually checking
 160         return 1;
 161     }
 162     // Is the WindowServer available?
 163     SecuritySessionId session_id;
 164     SessionAttributeBits session_info;
 165     OSStatus status = SessionGetInfo(callerSecuritySession, &session_id, &session_info);
 166     if (status == noErr) {
 167         if (session_info & sessionHasGraphicAccess) {
 168             return 1;
 169         }
 170     }
 171     return 0;
 172 }
 173 
 174 // 10.9 SDK does not include the NSOperatingSystemVersion struct.
 175 // For now, create our own
 176 typedef struct {
 177         NSInteger majorVersion;
 178         NSInteger minorVersion;
 179         NSInteger patchVersion;
 180 } OSVerStruct;
 181 
 182 void setOSNameAndVersion(java_props_t *sprops) {
 183     // Hardcode os_name, and fill in os_version
 184     sprops->os_name = strdup("Mac OS X");
 185 
 186     char* osVersionCStr = NULL;
 187     // Mac OS 10.9 includes the [NSProcessInfo operatingSystemVersion] function,
 188     // but it's not in the 10.9 SDK.  So, call it via objc_msgSend_stret.
 189     if ([[NSProcessInfo processInfo] respondsToSelector:@selector(operatingSystemVersion)]) {
 190         OSVerStruct (*procInfoFn)(id rec, SEL sel) = (OSVerStruct(*)(id, SEL))objc_msgSend_stret;
 191         OSVerStruct osVer = procInfoFn([NSProcessInfo processInfo],
 192                                        @selector(operatingSystemVersion));
 193         NSString *nsVerStr;
 194         if (osVer.patchVersion == 0) { // Omit trailing ".0"
 195             nsVerStr = [NSString stringWithFormat:@"%ld.%ld",
 196                     (long)osVer.majorVersion, (long)osVer.minorVersion];
 197         } else {
 198             nsVerStr = [NSString stringWithFormat:@"%ld.%ld.%ld",
 199                     (long)osVer.majorVersion, (long)osVer.minorVersion, (long)osVer.patchVersion];
 200         }
 201         // Copy out the char*
 202         osVersionCStr = strdup([nsVerStr UTF8String]);
 203     }
 204     // Fallback if running on pre-10.9 Mac OS
 205     if (osVersionCStr == NULL) {
 206         NSDictionary *version = [NSDictionary dictionaryWithContentsOfFile :
 207                                  @"/System/Library/CoreServices/SystemVersion.plist"];
 208         if (version != NULL) {
 209             NSString *nsVerStr = [version objectForKey : @"ProductVersion"];
 210             if (nsVerStr != NULL) {
 211                 osVersionCStr = strdup([nsVerStr UTF8String]);
 212             }
 213         }
 214     }
 215     if (osVersionCStr == NULL) {
 216         osVersionCStr = strdup("Unknown");
 217     }
 218     sprops->os_version = osVersionCStr;
 219 }
 220 
 221 
 222 static Boolean getProxyInfoForProtocol(CFDictionaryRef inDict, CFStringRef inEnabledKey,
 223                                        CFStringRef inHostKey, CFStringRef inPortKey,
 224                                        CFStringRef *outProxyHost, int *ioProxyPort) {
 225     /* See if the proxy is enabled. */
 226     CFNumberRef cf_enabled = CFDictionaryGetValue(inDict, inEnabledKey);
 227     if (cf_enabled == NULL) {
 228         return false;
 229     }
 230 
 231     int isEnabled = false;
 232     if (!CFNumberGetValue(cf_enabled, kCFNumberIntType, &isEnabled)) {
 233         return isEnabled;
 234     }
 235 
 236     if (!isEnabled) return false;
 237     *outProxyHost = CFDictionaryGetValue(inDict, inHostKey);
 238 
 239     // If cf_host is null, that means the checkbox is set,
 240     //   but no host was entered. We'll treat that as NOT ENABLED.
 241     // If cf_port is null or cf_port isn't a number, that means
 242     //   no port number was entered. Treat this as ENABLED with the
 243     //   protocol's default port.
 244     if (*outProxyHost == NULL) {
 245         return false;
 246     }
 247 
 248     if (CFStringGetLength(*outProxyHost) == 0) {
 249         return false;
 250     }
 251 
 252     int newPort = 0;
 253     CFNumberRef cf_port = NULL;
 254     if ((cf_port = CFDictionaryGetValue(inDict, inPortKey)) != NULL &&
 255         CFNumberGetValue(cf_port, kCFNumberIntType, &newPort) &&
 256         newPort > 0) {
 257         *ioProxyPort = newPort;
 258     } else {
 259         // bad port or no port - leave *ioProxyPort unchanged
 260     }
 261 
 262     return true;
 263 }
 264 
 265 static char *createUTF8CString(const CFStringRef theString) {
 266     if (theString == NULL) return NULL;
 267 
 268     const CFIndex stringLength = CFStringGetLength(theString);
 269     const CFIndex bufSize = CFStringGetMaximumSizeForEncoding(stringLength, kCFStringEncodingUTF8) + 1;
 270     char *returnVal = (char *)malloc(bufSize);
 271 
 272     if (CFStringGetCString(theString, returnVal, bufSize, kCFStringEncodingUTF8)) {
 273         return returnVal;
 274     }
 275 
 276     free(returnVal);
 277     return NULL;
 278 }
 279 
 280 // Return TRUE if str is a syntactically valid IP address.
 281 // Using inet_pton() instead of inet_aton() for IPv6 support.
 282 // len is only a hint; cstr must still be nul-terminated
 283 static int looksLikeIPAddress(char *cstr, size_t len) {
 284     if (len == 0  ||  (len == 1 && cstr[0] == '.')) return FALSE;
 285 
 286     char dst[16]; // big enough for INET6
 287     return (1 == inet_pton(AF_INET, cstr, dst)  ||
 288             1 == inet_pton(AF_INET6, cstr, dst));
 289 }
 290 
 291 
 292 
 293 // Convert Mac OS X proxy exception entry to Java syntax.
 294 // See Radar #3441134 for details.
 295 // Returns NULL if this exception should be ignored by Java.
 296 // May generate a string with multiple exceptions separated by '|'.
 297 static char * createConvertedException(CFStringRef cf_original) {
 298     // This is done with char* instead of CFString because inet_pton()
 299     // needs a C string.
 300     char *c_exception = createUTF8CString(cf_original);
 301     if (!c_exception) return NULL;
 302 
 303     int c_len = strlen(c_exception);
 304 
 305     // 1. sanitize exception prefix
 306     if (c_len >= 1  &&  0 == strncmp(c_exception, ".", 1)) {
 307         memmove(c_exception, c_exception+1, c_len);
 308         c_len -= 1;
 309     } else if (c_len >= 2  &&  0 == strncmp(c_exception, "*.", 2)) {
 310         memmove(c_exception, c_exception+2, c_len-1);
 311         c_len -= 2;
 312     }
 313 
 314     // 2. pre-reject other exception wildcards
 315     if (strchr(c_exception, '*')) {
 316         free(c_exception);
 317         return NULL;
 318     }
 319 
 320     // 3. no IP wildcarding
 321     if (looksLikeIPAddress(c_exception, c_len)) {
 322         return c_exception;
 323     }
 324 
 325     // 4. allow domain suffixes
 326     // c_exception is now "str\0" - change to "str|*.str\0"
 327     c_exception = reallocf(c_exception, c_len+3+c_len+1);
 328     if (!c_exception) return NULL;
 329 
 330     strncpy(c_exception+c_len, "|*.", 3);
 331     strncpy(c_exception+c_len+3, c_exception, c_len);
 332     c_exception[c_len+3+c_len] = '\0';
 333     return c_exception;
 334 }
 335 
 336 /*
 337  * Method for fetching the user.home path and storing it in the property list.
 338  * For signed .apps running in the Mac App Sandbox, user.home is set to the
 339  * app's sandbox container.
 340  */
 341 void setUserHome(java_props_t *sprops) {
 342     if (sprops == NULL) { return; }
 343     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 344     sprops->user_home = createUTF8CString((CFStringRef)NSHomeDirectory());
 345     [pool drain];
 346 }
 347 
 348 /*
 349  * Method for fetching proxy info and storing it in the property list.
 350  */
 351 void setProxyProperties(java_props_t *sProps) {
 352     if (sProps == NULL) return;
 353 
 354     char buf[16];    /* Used for %d of an int - 16 is plenty */
 355     CFStringRef
 356     cf_httpHost = NULL,
 357     cf_httpsHost = NULL,
 358     cf_ftpHost = NULL,
 359     cf_socksHost = NULL,
 360     cf_gopherHost = NULL;
 361     int
 362     httpPort = 80, // Default proxy port values
 363     httpsPort = 443,
 364     ftpPort = 21,
 365     socksPort = 1080,
 366     gopherPort = 70;
 367 
 368     CFDictionaryRef dict = SCDynamicStoreCopyProxies(NULL);
 369     if (dict == NULL) return;
 370 
 371     /* Read the proxy exceptions list */
 372     CFArrayRef cf_list = CFDictionaryGetValue(dict, kSCPropNetProxiesExceptionsList);
 373 
 374     CFMutableStringRef cf_exceptionList = NULL;
 375     if (cf_list != NULL) {
 376         CFIndex len = CFArrayGetCount(cf_list), idx;
 377 
 378         cf_exceptionList = CFStringCreateMutable(NULL, 0);
 379         for (idx = (CFIndex)0; idx < len; idx++) {
 380             CFStringRef cf_ehost;
 381             if ((cf_ehost = CFArrayGetValueAtIndex(cf_list, idx))) {
 382                 /* Convert this exception from Mac OS X syntax to Java syntax.
 383                  See Radar #3441134 for details. This may generate a string
 384                  with multiple Java exceptions separated by '|'. */
 385                 char *c_exception = createConvertedException(cf_ehost);
 386                 if (c_exception) {
 387                     /* Append the host to the list of exclusions. */
 388                     if (CFStringGetLength(cf_exceptionList) > 0) {
 389                         CFStringAppendCString(cf_exceptionList, "|", kCFStringEncodingMacRoman);
 390                     }
 391                     CFStringAppendCString(cf_exceptionList, c_exception, kCFStringEncodingMacRoman);
 392                     free(c_exception);
 393                 }
 394             }
 395         }
 396     }
 397 
 398     if (cf_exceptionList != NULL) {
 399         if (CFStringGetLength(cf_exceptionList) > 0) {
 400             sProps->exceptionList = createUTF8CString(cf_exceptionList);
 401         }
 402         CFRelease(cf_exceptionList);
 403     }
 404 
 405 #define CHECK_PROXY(protocol, PROTOCOL)                                     \
 406     sProps->protocol##ProxyEnabled =                                        \
 407     getProxyInfoForProtocol(dict, kSCPropNetProxies##PROTOCOL##Enable,      \
 408     kSCPropNetProxies##PROTOCOL##Proxy,         \
 409     kSCPropNetProxies##PROTOCOL##Port,          \
 410     &cf_##protocol##Host, &protocol##Port);     \
 411     if (sProps->protocol##ProxyEnabled) {                                   \
 412         sProps->protocol##Host = createUTF8CString(cf_##protocol##Host);    \
 413         snprintf(buf, sizeof(buf), "%d", protocol##Port);                   \
 414         sProps->protocol##Port = malloc(strlen(buf) + 1);                   \
 415         strcpy(sProps->protocol##Port, buf);                                \
 416     }
 417 
 418     CHECK_PROXY(http, HTTP);
 419     CHECK_PROXY(https, HTTPS);
 420     CHECK_PROXY(ftp, FTP);
 421     CHECK_PROXY(socks, SOCKS);
 422     CHECK_PROXY(gopher, Gopher);
 423 
 424 #undef CHECK_PROXY
 425 
 426     CFRelease(dict);
 427 }