| /* |
| * Copyright (c) 2004, 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <dlfcn.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "jvm.h" |
| #include "jvm_md.h" |
| |
| #include "proxy_util.h" |
| |
| #include "sun_net_spi_DefaultProxySelector.h" |
| |
| |
| /** |
| * These functions are used by the sun.net.spi.DefaultProxySelector class |
| * to access some platform specific settings. |
| * This is the Solaris/Linux Gnome 2.x code using the GConf-2 library. |
| * Everything is loaded dynamically so no hard link with any library exists. |
| * The GConf-2 settings used are: |
| * - /system/http_proxy/use_http_proxy boolean |
| * - /system/http_proxy/use_authentcation boolean |
| * - /system/http_proxy/use_same_proxy boolean |
| * - /system/http_proxy/host string |
| * - /system/http_proxy/authentication_user string |
| * - /system/http_proxy/authentication_password string |
| * - /system/http_proxy/port int |
| * - /system/proxy/socks_host string |
| * - /system/proxy/mode string |
| * - /system/proxy/ftp_host string |
| * - /system/proxy/secure_host string |
| * - /system/proxy/socks_port int |
| * - /system/proxy/ftp_port int |
| * - /system/proxy/secure_port int |
| * - /system/proxy/no_proxy_for list |
| * |
| * The following keys are not used in the new gnome 3 |
| * - /system/http_proxy/use_http_proxy |
| * - /system/http_proxy/use_same_proxy |
| */ |
| typedef void* gconf_client_get_default_func(); |
| typedef char* gconf_client_get_string_func(void *, char *, void**); |
| typedef int gconf_client_get_int_func(void*, char *, void**); |
| typedef int gconf_client_get_bool_func(void*, char *, void**); |
| typedef int gconf_init_func(int, char**, void**); |
| typedef void g_type_init_func (); |
| gconf_client_get_default_func* my_get_default_func = NULL; |
| gconf_client_get_string_func* my_get_string_func = NULL; |
| gconf_client_get_int_func* my_get_int_func = NULL; |
| gconf_client_get_bool_func* my_get_bool_func = NULL; |
| g_type_init_func* my_g_type_init_func = NULL; |
| |
| |
| /* |
| * GProxyResolver provides synchronous and asynchronous network |
| * proxy resolution. It is based on GSettings, which is the standard |
| * of Gnome 3, to get system settings. |
| * |
| * In the current implementation, GProxyResolver has a higher priority |
| * than the old GConf. And we only resolve the proxy synchronously. In |
| * the future, we can also do the asynchronous network proxy resolution |
| * if necessary. |
| * |
| */ |
| typedef struct _GProxyResolver GProxyResolver; |
| typedef struct _GSocketConnectable GSocketConnectable; |
| typedef struct GError GError; |
| typedef GProxyResolver* g_proxy_resolver_get_default_func(); |
| typedef char** g_proxy_resolver_lookup_func(); |
| typedef GSocketConnectable* g_network_address_parse_uri_func(); |
| typedef const char* g_network_address_get_hostname_func(); |
| typedef unsigned short g_network_address_get_port_func(); |
| typedef void g_strfreev_func(); |
| |
| static g_proxy_resolver_get_default_func* g_proxy_resolver_get_default = NULL; |
| static g_proxy_resolver_lookup_func* g_proxy_resolver_lookup = NULL; |
| static g_network_address_parse_uri_func* g_network_address_parse_uri = NULL; |
| static g_network_address_get_hostname_func* g_network_address_get_hostname = NULL; |
| static g_network_address_get_port_func* g_network_address_get_port = NULL; |
| static g_strfreev_func* g_strfreev = NULL; |
| |
| static void* gconf_client = NULL; |
| static int use_gproxyResolver = 0; |
| static int use_gconf = 0; |
| |
| |
| static int initGConf() { |
| /** |
| * Let's try to load GConf-2 library |
| */ |
| if (dlopen(JNI_LIB_NAME("gconf-2"), RTLD_GLOBAL | RTLD_LAZY) != NULL || |
| dlopen(VERSIONED_JNI_LIB_NAME("gconf-2", "4"), |
| RTLD_GLOBAL | RTLD_LAZY) != NULL) |
| { |
| /* |
| * Now let's get pointer to the functions we need. |
| */ |
| my_g_type_init_func = |
| (g_type_init_func*)dlsym(RTLD_DEFAULT, "g_type_init"); |
| my_get_default_func = |
| (gconf_client_get_default_func*)dlsym(RTLD_DEFAULT, |
| "gconf_client_get_default"); |
| |
| if (my_g_type_init_func != NULL && my_get_default_func != NULL) { |
| /** |
| * Try to connect to GConf. |
| */ |
| (*my_g_type_init_func)(); |
| gconf_client = (*my_get_default_func)(); |
| if (gconf_client != NULL) { |
| my_get_string_func = |
| (gconf_client_get_string_func*)dlsym(RTLD_DEFAULT, |
| "gconf_client_get_string"); |
| my_get_int_func = |
| (gconf_client_get_int_func*)dlsym(RTLD_DEFAULT, |
| "gconf_client_get_int"); |
| my_get_bool_func = |
| (gconf_client_get_bool_func*)dlsym(RTLD_DEFAULT, |
| "gconf_client_get_bool"); |
| if (my_get_int_func != NULL && my_get_string_func != NULL && |
| my_get_bool_func != NULL) |
| { |
| /** |
| * We did get all we need. Let's enable the System Proxy Settings. |
| */ |
| return 1; |
| } |
| } |
| } |
| } |
| return 0; |
| } |
| |
| static jobjectArray getProxyByGConf(JNIEnv *env, const char* cproto, |
| const char* chost) |
| { |
| char *phost = NULL; |
| char *mode = NULL; |
| int pport = 0; |
| int use_proxy = 0; |
| int use_same_proxy = 0; |
| jobjectArray proxy_array = NULL; |
| jfieldID ptype_ID = ptype_httpID; |
| |
| /* We only check manual proxy configurations */ |
| mode = (*my_get_string_func)(gconf_client, "/system/proxy/mode", NULL); |
| if (mode && !strcasecmp(mode, "manual")) { |
| /* |
| * Even though /system/http_proxy/use_same_proxy is no longer used, |
| * its value is set to false in gnome 3. So it is not harmful to check |
| * it first in case jdk is used with an old gnome. |
| */ |
| use_same_proxy = (*my_get_bool_func)(gconf_client, "/system/http_proxy/use_same_proxy", NULL); |
| if (use_same_proxy) { |
| phost = (*my_get_string_func)(gconf_client, "/system/http_proxy/host", NULL); |
| pport = (*my_get_int_func)(gconf_client, "/system/http_proxy/port", NULL); |
| use_proxy = (phost != NULL && pport != 0); |
| } |
| |
| if (!use_proxy) { |
| /** |
| * HTTP: |
| * /system/http_proxy/use_http_proxy (boolean) - it's no longer used |
| * /system/http_proxy/host (string) |
| * /system/http_proxy/port (integer) |
| */ |
| if (strcasecmp(cproto, "http") == 0) { |
| phost = (*my_get_string_func)(gconf_client, "/system/http_proxy/host", NULL); |
| pport = (*my_get_int_func)(gconf_client, "/system/http_proxy/port", NULL); |
| use_proxy = (phost != NULL && pport != 0); |
| } |
| |
| /** |
| * HTTPS: |
| * /system/proxy/mode (string) [ "manual" means use proxy settings ] |
| * /system/proxy/secure_host (string) |
| * /system/proxy/secure_port (integer) |
| */ |
| if (strcasecmp(cproto, "https") == 0) { |
| phost = (*my_get_string_func)(gconf_client, "/system/proxy/secure_host", NULL); |
| pport = (*my_get_int_func)(gconf_client, "/system/proxy/secure_port", NULL); |
| use_proxy = (phost != NULL && pport != 0); |
| } |
| |
| /** |
| * FTP: |
| * /system/proxy/mode (string) [ "manual" means use proxy settings ] |
| * /system/proxy/ftp_host (string) |
| * /system/proxy/ftp_port (integer) |
| */ |
| if (strcasecmp(cproto, "ftp") == 0) { |
| phost = (*my_get_string_func)(gconf_client, "/system/proxy/ftp_host", NULL); |
| pport = (*my_get_int_func)(gconf_client, "/system/proxy/ftp_port", NULL); |
| use_proxy = (phost != NULL && pport != 0); |
| } |
| |
| /** |
| * SOCKS: |
| * /system/proxy/mode (string) [ "manual" means use proxy settings ] |
| * /system/proxy/socks_host (string) |
| * /system/proxy/socks_port (integer) |
| */ |
| if (strcasecmp(cproto, "socks") == 0) { |
| phost = (*my_get_string_func)(gconf_client, "/system/proxy/socks_host", NULL); |
| pport = (*my_get_int_func)(gconf_client, "/system/proxy/socks_port", NULL); |
| use_proxy = (phost != NULL && pport != 0); |
| if (use_proxy) |
| ptype_ID = ptype_socksID; |
| } |
| } |
| } |
| |
| if (use_proxy) { |
| jstring jhost; |
| char *noproxyfor; |
| char *s; |
| |
| /** |
| * Check for the exclude list (aka "No Proxy For" list). |
| * It's a list of comma separated suffixes (e.g. domain name). |
| */ |
| noproxyfor = (*my_get_string_func)(gconf_client, "/system/proxy/no_proxy_for", NULL); |
| if (noproxyfor != NULL) { |
| char *tmpbuf[512]; |
| s = strtok_r(noproxyfor, ", ", tmpbuf); |
| |
| while (s != NULL && strlen(s) <= strlen(chost)) { |
| if (strcasecmp(chost+(strlen(chost) - strlen(s)), s) == 0) { |
| /** |
| * the URL host name matches with one of the sufixes, |
| * therefore we have to use a direct connection. |
| */ |
| use_proxy = 0; |
| break; |
| } |
| s = strtok_r(NULL, ", ", tmpbuf); |
| } |
| } |
| if (use_proxy) { |
| jobject proxy = NULL; |
| /* create a proxy array with one element. */ |
| proxy_array = (*env)->NewObjectArray(env, 1, proxy_class, NULL); |
| if (proxy_array == NULL || (*env)->ExceptionCheck(env)) { |
| return NULL; |
| } |
| proxy = createProxy(env, ptype_ID, phost, pport); |
| if (proxy == NULL || (*env)->ExceptionCheck(env)) { |
| return NULL; |
| } |
| (*env)->SetObjectArrayElement(env, proxy_array, 0, proxy); |
| if ((*env)->ExceptionCheck(env)) { |
| return NULL; |
| } |
| } |
| } |
| |
| return proxy_array; |
| } |
| |
| static int initGProxyResolver() { |
| void *gio_handle; |
| |
| gio_handle = dlopen("libgio-2.0.so", RTLD_LAZY); |
| if (!gio_handle) { |
| gio_handle = dlopen("libgio-2.0.so.0", RTLD_LAZY); |
| if (!gio_handle) { |
| return 0; |
| } |
| } |
| |
| my_g_type_init_func = (g_type_init_func*)dlsym(gio_handle, "g_type_init"); |
| |
| g_proxy_resolver_get_default = |
| (g_proxy_resolver_get_default_func*)dlsym(gio_handle, |
| "g_proxy_resolver_get_default"); |
| |
| g_proxy_resolver_lookup = |
| (g_proxy_resolver_lookup_func*)dlsym(gio_handle, |
| "g_proxy_resolver_lookup"); |
| |
| g_network_address_parse_uri = |
| (g_network_address_parse_uri_func*)dlsym(gio_handle, |
| "g_network_address_parse_uri"); |
| |
| g_network_address_get_hostname = |
| (g_network_address_get_hostname_func*)dlsym(gio_handle, |
| "g_network_address_get_hostname"); |
| |
| g_network_address_get_port = |
| (g_network_address_get_port_func*)dlsym(gio_handle, |
| "g_network_address_get_port"); |
| |
| g_strfreev = (g_strfreev_func*)dlsym(gio_handle, "g_strfreev"); |
| |
| if (!my_g_type_init_func || |
| !g_proxy_resolver_get_default || |
| !g_proxy_resolver_lookup || |
| !g_network_address_parse_uri || |
| !g_network_address_get_hostname || |
| !g_network_address_get_port || |
| !g_strfreev) |
| { |
| dlclose(gio_handle); |
| return 0; |
| } |
| |
| (*my_g_type_init_func)(); |
| return 1; |
| } |
| |
| static jobjectArray getProxyByGProxyResolver(JNIEnv *env, const char *cproto, |
| const char *chost) |
| { |
| GProxyResolver* resolver = NULL; |
| char** proxies = NULL; |
| GError *error = NULL; |
| |
| size_t protoLen = 0; |
| size_t hostLen = 0; |
| char* uri = NULL; |
| |
| jobjectArray proxy_array = NULL; |
| |
| resolver = (*g_proxy_resolver_get_default)(); |
| if (resolver == NULL) { |
| return NULL; |
| } |
| |
| /* Construct the uri, cproto + "://" + chost */ |
| protoLen = strlen(cproto); |
| hostLen = strlen(chost); |
| uri = malloc(protoLen + hostLen + 4); |
| if (!uri) { |
| /* Out of memory */ |
| return NULL; |
| } |
| memcpy(uri, cproto, protoLen); |
| memcpy(uri + protoLen, "://", 3); |
| memcpy(uri + protoLen + 3, chost, hostLen + 1); |
| |
| /* |
| * Looks into the system proxy configuration to determine what proxy, |
| * if any, to use to connect to uri. The returned proxy URIs are of |
| * the form <protocol>://[user[:password]@]host:port or direct://, |
| * where <protocol> could be http, rtsp, socks or other proxying protocol. |
| * direct:// is used when no proxy is needed. |
| */ |
| proxies = (*g_proxy_resolver_lookup)(resolver, uri, NULL, &error); |
| free(uri); |
| |
| if (proxies) { |
| if (!error) { |
| int i; |
| int nr_proxies = 0; |
| char** p = proxies; |
| /* count the elements in the null terminated string vector. */ |
| while (*p) { |
| nr_proxies++; |
| p++; |
| } |
| /* create a proxy array that has to be filled. */ |
| proxy_array = (*env)->NewObjectArray(env, nr_proxies, proxy_class, NULL); |
| if (proxy_array != NULL && !(*env)->ExceptionCheck(env)) { |
| for (i = 0; proxies[i]; i++) { |
| if (strncmp(proxies[i], "direct://", 9)) { |
| GSocketConnectable* conn = |
| (*g_network_address_parse_uri)(proxies[i], 0, |
| &error); |
| if (conn && !error) { |
| const char *phost = NULL; |
| unsigned short pport = 0; |
| phost = (*g_network_address_get_hostname)(conn); |
| pport = (*g_network_address_get_port)(conn); |
| if (phost && pport > 0) { |
| jobject proxy = NULL; |
| jfieldID ptype_ID = ptype_httpID; |
| if (!strncmp(proxies[i], "socks", 5)) |
| ptype_ID = ptype_socksID; |
| |
| proxy = createProxy(env, ptype_ID, phost, pport); |
| if (proxy == NULL || (*env)->ExceptionCheck(env)) { |
| proxy_array = NULL; |
| break; |
| } |
| (*env)->SetObjectArrayElement(env, proxy_array, i, proxy); |
| if ((*env)->ExceptionCheck(env)) { |
| proxy_array = NULL; |
| break; |
| } |
| } |
| } |
| } else { |
| /* direct connection - no proxy */ |
| jobject proxy = (*env)->GetStaticObjectField(env, proxy_class, |
| pr_no_proxyID); |
| if (proxy == NULL || (*env)->ExceptionCheck(env)) { |
| proxy_array = NULL; |
| break; |
| } |
| (*env)->SetObjectArrayElement(env, proxy_array, i, proxy); |
| if ((*env)->ExceptionCheck(env)) { |
| proxy_array = NULL; |
| break; |
| } |
| } |
| } |
| } |
| } |
| (*g_strfreev)(proxies); |
| } |
| |
| return proxy_array; |
| } |
| |
| /* |
| * Class: sun_net_spi_DefaultProxySelector |
| * Method: init |
| * Signature: ()Z |
| */ |
| JNIEXPORT jboolean JNICALL |
| Java_sun_net_spi_DefaultProxySelector_init(JNIEnv *env, jclass clazz) { |
| use_gproxyResolver = initGProxyResolver(); |
| if (!use_gproxyResolver) |
| use_gconf = initGConf(); |
| |
| if (use_gproxyResolver || use_gconf) { |
| if (initJavaClass(env)) |
| return JNI_TRUE; |
| } |
| return JNI_FALSE; |
| } |
| |
| /* |
| * Class: sun_net_spi_DefaultProxySelector |
| * Method: getSystemProxies |
| * Signature: ([Ljava/lang/String;Ljava/lang/String;)[Ljava/net/Proxy; |
| */ |
| JNIEXPORT jobjectArray JNICALL |
| Java_sun_net_spi_DefaultProxySelector_getSystemProxies(JNIEnv *env, |
| jobject this, |
| jstring proto, |
| jstring host) |
| { |
| const char* cproto; |
| const char* chost; |
| |
| jboolean isProtoCopy; |
| jboolean isHostCopy; |
| |
| jobjectArray proxyArray = NULL; |
| |
| cproto = (*env)->GetStringUTFChars(env, proto, &isProtoCopy); |
| |
| if (cproto != NULL && (use_gproxyResolver || use_gconf)) { |
| chost = (*env)->GetStringUTFChars(env, host, &isHostCopy); |
| if (chost != NULL) { |
| if (use_gproxyResolver) |
| proxyArray = getProxyByGProxyResolver(env, cproto, chost); |
| else if (use_gconf) |
| proxyArray = getProxyByGConf(env, cproto, chost); |
| if (isHostCopy == JNI_TRUE) |
| (*env)->ReleaseStringUTFChars(env, host, chost); |
| } |
| if (isProtoCopy == JNI_TRUE) |
| (*env)->ReleaseStringUTFChars(env, proto, cproto); |
| } |
| return proxyArray; |
| } |
| |
