J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #include <windows.h> |
| 27 | #include "jni.h" |
| 28 | #include "jni_util.h" |
| 29 | #include "jvm.h" |
| 30 | #include "jlong.h" |
| 31 | #include "sun_net_spi_DefaultProxySelector.h" |
| 32 | |
| 33 | /** |
| 34 | * These functions are used by the sun.net.spi.DefaultProxySelector class |
| 35 | * to access some platform specific settings. |
| 36 | * This is the Windows code using the registry settings. |
| 37 | */ |
| 38 | |
| 39 | static jclass proxy_class; |
| 40 | static jclass isaddr_class; |
| 41 | static jclass ptype_class; |
| 42 | static jmethodID isaddr_createUnresolvedID; |
| 43 | static jmethodID proxy_ctrID; |
| 44 | static jfieldID pr_no_proxyID; |
| 45 | static jfieldID ptype_httpID; |
| 46 | static jfieldID ptype_socksID; |
| 47 | |
| 48 | #define CHECK_NULL(X) { if ((X) == NULL) fprintf (stderr,"JNI errror at line %d\n", __LINE__); } |
| 49 | |
| 50 | |
| 51 | /* |
| 52 | * Class: sun_net_spi_DefaultProxySelector |
| 53 | * Method: init |
| 54 | * Signature: ()Z |
| 55 | */ |
| 56 | JNIEXPORT jboolean JNICALL |
| 57 | Java_sun_net_spi_DefaultProxySelector_init(JNIEnv *env, jclass clazz) { |
| 58 | HKEY hKey; |
| 59 | LONG ret; |
| 60 | jclass cls; |
| 61 | |
| 62 | /** |
| 63 | * Get all the method & field IDs for later use. |
| 64 | */ |
| 65 | CHECK_NULL(cls = (*env)->FindClass(env,"java/net/Proxy")); |
| 66 | proxy_class = (*env)->NewGlobalRef(env, cls); |
| 67 | CHECK_NULL(cls = (*env)->FindClass(env,"java/net/Proxy$Type")); |
| 68 | ptype_class = (*env)->NewGlobalRef(env, cls); |
| 69 | CHECK_NULL(cls = (*env)->FindClass(env, "java/net/InetSocketAddress")); |
| 70 | isaddr_class = (*env)->NewGlobalRef(env, cls); |
| 71 | proxy_ctrID = (*env)->GetMethodID(env, proxy_class, "<init>", "(Ljava/net/Proxy$Type;Ljava/net/SocketAddress;)V"); |
| 72 | pr_no_proxyID = (*env)->GetStaticFieldID(env, proxy_class, "NO_PROXY", "Ljava/net/Proxy;"); |
| 73 | ptype_httpID = (*env)->GetStaticFieldID(env, ptype_class, "HTTP", "Ljava/net/Proxy$Type;"); |
| 74 | ptype_socksID = (*env)->GetStaticFieldID(env, ptype_class, "SOCKS", "Ljava/net/Proxy$Type;"); |
| 75 | isaddr_createUnresolvedID = (*env)->GetStaticMethodID(env, isaddr_class, "createUnresolved", "(Ljava/lang/String;I)Ljava/net/InetSocketAddress;"); |
| 76 | |
| 77 | /** |
| 78 | * Let's see if we can find the proper Registry entry. |
| 79 | */ |
| 80 | ret = RegOpenKeyEx(HKEY_CURRENT_USER, |
| 81 | "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", |
| 82 | 0, KEY_READ, (PHKEY)&hKey); |
| 83 | if (ret == ERROR_SUCCESS) { |
| 84 | RegCloseKey(hKey); |
| 85 | /** |
| 86 | * It worked, we can probably rely on it then. |
| 87 | */ |
| 88 | return JNI_TRUE; |
| 89 | } |
| 90 | |
| 91 | return JNI_FALSE; |
| 92 | } |
| 93 | |
| 94 | #define MAX_STR_LEN 1024 |
| 95 | |
| 96 | /* |
| 97 | * Class: sun_net_spi_DefaultProxySelector |
| 98 | * Method: getSystemProxy |
| 99 | * Signature: ([Ljava/lang/String;Ljava/lang/String;)Ljava/net/Proxy; |
| 100 | */ |
| 101 | JNIEXPORT jobject JNICALL |
| 102 | Java_sun_net_spi_DefaultProxySelector_getSystemProxy(JNIEnv *env, |
| 103 | jobject this, |
| 104 | jstring proto, |
| 105 | jstring host) |
| 106 | { |
| 107 | jobject isa = NULL; |
| 108 | jobject proxy = NULL; |
| 109 | jobject type_proxy = NULL; |
| 110 | jobject no_proxy = NULL; |
| 111 | jboolean isCopy; |
| 112 | HKEY hKey; |
| 113 | LONG ret; |
| 114 | const char* cproto; |
| 115 | const char* urlhost; |
| 116 | char pproto[MAX_STR_LEN]; |
| 117 | char regserver[MAX_STR_LEN]; |
| 118 | char override[MAX_STR_LEN]; |
| 119 | char *s, *s2; |
| 120 | int pport = 0; |
| 121 | int defport = 0; |
| 122 | char *phost; |
| 123 | |
| 124 | /** |
| 125 | * Let's opem the Registry entry. We'll check a few values in it: |
| 126 | * |
| 127 | * - ProxyEnable: 0 means no proxy, 1 means use the proxy |
| 128 | * - ProxyServer: a string that can take 2 forms: |
| 129 | * "server[:port]" |
| 130 | * or |
| 131 | * "protocol1=server[:port][;protocol2=server[:port]]..." |
| 132 | * - ProxyOverride: a string containing a list of prefixes for hostnames. |
| 133 | * e.g.: hoth;localhost;<local> |
| 134 | */ |
| 135 | ret = RegOpenKeyEx(HKEY_CURRENT_USER, |
| 136 | "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", |
| 137 | 0, KEY_READ, (PHKEY)&hKey); |
| 138 | if (ret == ERROR_SUCCESS) { |
| 139 | DWORD dwLen; |
| 140 | DWORD dwProxyEnabled; |
| 141 | ULONG ulType; |
| 142 | dwLen = sizeof(dwProxyEnabled); |
| 143 | |
| 144 | /** |
| 145 | * Let's see if the proxy settings are to be used. |
| 146 | */ |
| 147 | ret = RegQueryValueEx(hKey, "ProxyEnable", NULL, &ulType, |
| 148 | (LPBYTE)&dwProxyEnabled, &dwLen); |
| 149 | if ((ret == ERROR_SUCCESS) && (dwProxyEnabled > 0)) { |
| 150 | /* |
| 151 | * Yes, ProxyEnable == 1 |
| 152 | */ |
| 153 | dwLen = sizeof(override); |
| 154 | override[0] = 0; |
| 155 | ret = RegQueryValueEx(hKey, "ProxyOverride", NULL, &ulType, |
| 156 | (LPBYTE)&override, &dwLen); |
| 157 | dwLen = sizeof(regserver); |
| 158 | regserver[0] = 0; |
| 159 | ret = RegQueryValueEx(hKey, "ProxyServer", NULL, &ulType, |
| 160 | (LPBYTE)®server, &dwLen); |
| 161 | RegCloseKey(hKey); |
| 162 | if (ret == ERROR_SUCCESS) { |
| 163 | if (strlen(override) > 0) { |
| 164 | /** |
| 165 | * we did get ProxyServer and may have an override. |
| 166 | * So let's check the override list first, by walking down the list |
| 167 | * The semicolons (;) separated entries have to be matched with the |
| 168 | * the beginning of the hostname. |
| 169 | */ |
| 170 | s = strtok(override, "; "); |
| 171 | urlhost = (*env)->GetStringUTFChars(env, host, &isCopy); |
| 172 | while (s != NULL) { |
| 173 | if (strncmp(s, urlhost, strlen(s)) == 0) { |
| 174 | /** |
| 175 | * the URL host name matches with one of the prefixes, |
| 176 | * therefore we have to use a direct connection. |
| 177 | */ |
| 178 | if (isCopy == JNI_TRUE) |
| 179 | (*env)->ReleaseStringUTFChars(env, host, urlhost); |
| 180 | goto noproxy; |
| 181 | } |
| 182 | s = strtok(NULL, "; "); |
| 183 | } |
| 184 | if (isCopy == JNI_TRUE) |
| 185 | (*env)->ReleaseStringUTFChars(env, host, urlhost); |
| 186 | } |
| 187 | |
| 188 | cproto = (*env)->GetStringUTFChars(env, proto, &isCopy); |
| 189 | if (cproto == NULL) |
| 190 | goto noproxy; |
| 191 | |
| 192 | /* |
| 193 | * Set default port value & proxy type from protocol. |
| 194 | */ |
| 195 | if ((strcmp(cproto, "http") == 0) || |
| 196 | (strcmp(cproto, "ftp") == 0) || |
| 197 | (strcmp(cproto, "gopher") == 0)) |
| 198 | defport = 80; |
| 199 | if (strcmp(cproto, "https") == 0) |
| 200 | defport = 443; |
| 201 | if (strcmp(cproto, "socks") == 0) { |
| 202 | defport = 1080; |
| 203 | type_proxy = (*env)->GetStaticObjectField(env, ptype_class, ptype_socksID); |
| 204 | } else { |
| 205 | type_proxy = (*env)->GetStaticObjectField(env, ptype_class, ptype_httpID); |
| 206 | } |
| 207 | |
| 208 | sprintf(pproto,"%s=", cproto); |
| 209 | if (isCopy == JNI_TRUE) |
| 210 | (*env)->ReleaseStringUTFChars(env, proto, cproto); |
| 211 | /** |
| 212 | * Let's check the protocol specific form first. |
| 213 | */ |
| 214 | if ((s = strstr(regserver, pproto)) != NULL) { |
| 215 | s += strlen(pproto); |
| 216 | } else { |
| 217 | /** |
| 218 | * If we couldn't find *this* protocol but the string is in the |
| 219 | * protocol specific format, then don't use proxy |
| 220 | */ |
| 221 | if (strchr(regserver, '=') != NULL) |
| 222 | goto noproxy; |
| 223 | s = regserver; |
| 224 | } |
| 225 | s2 = strchr(s, ';'); |
| 226 | if (s2 != NULL) |
| 227 | *s2 = 0; |
| 228 | |
| 229 | /** |
| 230 | * Is there a port specified? |
| 231 | */ |
| 232 | s2 = strchr(s, ':'); |
| 233 | if (s2 != NULL) { |
| 234 | *s2 = 0; |
| 235 | s2++; |
| 236 | sscanf(s2, "%d", &pport); |
| 237 | } |
| 238 | phost = s; |
| 239 | |
| 240 | if (phost != NULL) { |
| 241 | /** |
| 242 | * Let's create the appropriate Proxy object then. |
| 243 | */ |
| 244 | jstring jhost; |
| 245 | if (pport == 0) |
| 246 | pport = defport; |
| 247 | jhost = (*env)->NewStringUTF(env, phost); |
| 248 | isa = (*env)->CallStaticObjectMethod(env, isaddr_class, isaddr_createUnresolvedID, jhost, pport); |
| 249 | proxy = (*env)->NewObject(env, proxy_class, proxy_ctrID, type_proxy, isa); |
| 250 | return proxy; |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | noproxy: |
| 257 | no_proxy = (*env)->GetStaticObjectField(env, proxy_class, pr_no_proxyID); |
| 258 | return no_proxy; |
| 259 | } |