/* +----------------------------------------------------------------------+ | PHP version 4.0 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2001 The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 2.02 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available at through the world-wide-web at | | http://www.php.net/license/2_02.txt. | | If you did not receive a copy of the PHP license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Author: Sam Ruby (rubys@us.ibm.com) | +----------------------------------------------------------------------+ */ /* $Id$ */ /* * This module implements Zend OO syntax overloading support for Java * components using JNI and reflection. */ #include "php.h" #include "zend_compile.h" #include "php_ini.h" #include "php_globals.h" #ifdef PHP_WIN32 #include "win32/winutil.h" #define DL_ERROR php_win_err() #else #define DL_ERROR dlerror() #endif #include #include #define IS_EXCEPTION 86 /***************************************************************************/ #ifndef KAFFE #ifndef JNI_11 #ifndef JNI_12 #ifdef JNI_VERSION_1_2 #define JNI_12 #else #define JNI_11 #endif #endif #endif #endif #ifdef PHP_WIN32 #ifdef JNI_12 #define JAVALIB "jvm.dll" #else #define JAVALIB "javai.dll" #endif #else #endif /***************************************************************************/ static int le_jobject = 0; static char *classpath = 0; static char *libpath = 0; static char *javahome = 0; static char *javalib = 0; static int iniUpdated = 0; static void *dl_handle = 0; typedef struct { JavaVM *jvm; JNIEnv *jenv; jobject php_reflect; jclass reflect_class; } php_java_globals; #ifdef ZTS #define JG(v) (java_globals->v) #define JG_FETCH() php_java_globals *java_globals = ts_resource(java_globals_id) #define JG_D php_java_globals *java_globals #define JG_DC , JG_D #define JG_C java_globals #define JG_CC , JG_C int java_globals_id; #else #define JG(v) (java_globals.v) #define JG_FETCH() #define JG_D #define JG_DC #define JG_C #define JG_CC php_java_globals java_globals; #endif static zend_class_entry java_class_entry; static PHP_INI_MH(OnIniUpdate) { if (new_value) *(char**)mh_arg1 = new_value; iniUpdated=1; return SUCCESS; } PHP_INI_BEGIN() PHP_INI_ENTRY1("java.class.path", NULL, PHP_INI_ALL, OnIniUpdate, &classpath) #ifndef JNI_11 PHP_INI_ENTRY1("java.home", NULL, PHP_INI_ALL, OnIniUpdate, &javahome) PHP_INI_ENTRY1("java.library.path", NULL, PHP_INI_ALL, OnIniUpdate, &libpath) #endif #ifdef JAVALIB PHP_INI_ENTRY1("java.library", JAVALIB, PHP_INI_ALL, OnIniUpdate, &javalib) #else PHP_INI_ENTRY1("java.library", NULL, PHP_INI_ALL, OnIniUpdate, &javalib) #endif PHP_INI_END() /***************************************************************************/ /* * Destroy a Java Virtual Machine. */ void jvm_destroy() { JG_FETCH(); if (JG(php_reflect)) (*JG(jenv))->DeleteGlobalRef(JG(jenv), JG(php_reflect)); if (JG(jvm)) { (*JG(jvm))->DetachCurrentThread(JG(jvm)); (*JG(jvm))->DestroyJavaVM(JG(jvm)); JG(jvm) = 0; } if (dl_handle) DL_UNLOAD(dl_handle); JG(php_reflect) = 0; JG(jenv) = 0; } /* * Create a Java Virtual Machine. * - class.path, home, and library.path are read out of the INI file * - appropriate (pre 1.1, JDK 1.1, and JDK 1.2) initialization is performed * - net.php.reflect class file is located */ #ifdef JNI_12 static void addJVMOption(JavaVMInitArgs *vm_args, char *name, char *value) { char *option = (char*) malloc(strlen(name) + strlen(value) + 1); strcpy(option, name); strcat(option, value); vm_args->options[vm_args->nOptions++].optionString = option; } #endif static int jvm_create() { int rc; jobject local_php_reflect; jthrowable error; jint (JNICALL *JNI_CreateVM)(const void*,const void*,void*); #ifndef JNI_12 jint (JNICALL *JNI_DefaultArgs)(void*); #endif #ifdef JNI_11 JDK1_1InitArgs vm_args; #else JavaVMInitArgs vm_args; #ifdef JNI_12 JavaVMOption options[3]; #endif #endif JG_FETCH(); iniUpdated=0; if (javalib) { dl_handle = DL_LOAD(javalib); if (!dl_handle) { php_error(E_ERROR, "Unable to load Java Library %s, error: %s", javalib, DL_ERROR); return -1; } } #ifndef JAVALIB if (!dl_handle) JNI_CreateVM = &JNI_CreateJavaVM; else #endif JNI_CreateVM = (jint (JNICALL *)(const void*,const void*,void*)) DL_FETCH_SYMBOL(dl_handle, "JNI_CreateJavaVM"); if (!JNI_CreateVM) { php_error(E_ERROR, "Unable to locate CreateJavaVM function"); return -1; } #ifdef JNI_12 vm_args.version = JNI_VERSION_1_2; vm_args.ignoreUnrecognized = JNI_FALSE; vm_args.options = options; vm_args.nOptions = 0; if (classpath) addJVMOption(&vm_args, "-Djava.class.path=", classpath); if (javahome) addJVMOption(&vm_args, "-Djava.home=", javahome); if (libpath) addJVMOption(&vm_args, "-Djava.library.path=", libpath); #else #ifndef JAVALIB if (!dl_handle) JNI_DefaultArgs = &JNI_GetDefaultJavaVMInitArgs; else #endif JNI_DefaultArgs = (jint (JNICALL *)(void*)) DL_FETCH_SYMBOL(dl_handle, "JNI_GetDefaultJavaVMInitArgs"); if (!JNI_DefaultArgs) { php_error(E_ERROR, "Unable to locate GetDefaultJavaVMInitArgs function"); return -1; } vm_args.version=0x00010001; (*JNI_DefaultArgs)(&vm_args); if (!classpath) classpath = ""; vm_args.classpath = classpath; #ifdef KAFFE vm_args.classhome = javahome; vm_args.libraryhome = libpath; #endif #endif rc = (*JNI_CreateVM)(&JG(jvm), &JG(jenv), &vm_args); if (rc) { php_error(E_ERROR, "Unable to create Java Virtual Machine"); return rc; } JG(reflect_class) = (*JG(jenv))->FindClass(JG(jenv), "net/php/reflect"); error = (*JG(jenv))->ExceptionOccurred(JG(jenv)); if (error) { jclass errClass; jmethodID toString; jobject errString; const char *errAsUTF; jboolean isCopy; JNIEnv *jenv = JG(jenv); (*jenv)->ExceptionClear(jenv); errClass = (*jenv)->GetObjectClass(jenv, error); toString = (*jenv)->GetMethodID(jenv, errClass, "toString", "()Ljava/lang/String;"); errString = (*jenv)->CallObjectMethod(jenv, error, toString); errAsUTF = (*jenv)->GetStringUTFChars(jenv, errString, &isCopy); php_error(E_ERROR, "%s", errAsUTF); if (isCopy) (*jenv)->ReleaseStringUTFChars(jenv, error, errAsUTF); jvm_destroy(); return -1; } local_php_reflect = (*JG(jenv))->AllocObject(JG(jenv), JG(reflect_class)); JG(php_reflect) = (*JG(jenv))->NewGlobalRef(JG(jenv), local_php_reflect); return rc; } /***************************************************************************/ static jobject _java_makeObject(pval* arg JG_DC) { JNIEnv *jenv = JG(jenv); jobject result; pval **handle; int type; jmethodID makeArg; jclass hashClass; switch (arg->type) { case IS_STRING: result=(*jenv)->NewByteArray(jenv,arg->value.str.len); (*jenv)->SetByteArrayRegion(jenv,(jbyteArray)result,0, arg->value.str.len, arg->value.str.val); break; case IS_OBJECT: zend_hash_index_find(arg->value.obj.properties, 0, (void*)&handle); result = zend_list_find((*handle)->value.lval, &type); break; case IS_BOOL: makeArg = (*jenv)->GetMethodID(jenv, JG(reflect_class), "MakeArg", "(Z)Ljava/lang/Object;"); result = (*jenv)->CallObjectMethod(jenv, JG(php_reflect), makeArg, (jboolean)(arg->value.lval)); break; case IS_LONG: makeArg = (*jenv)->GetMethodID(jenv, JG(reflect_class), "MakeArg", "(J)Ljava/lang/Object;"); result = (*jenv)->CallObjectMethod(jenv, JG(php_reflect), makeArg, (jlong)(arg->value.lval)); break; case IS_DOUBLE: makeArg = (*jenv)->GetMethodID(jenv, JG(reflect_class), "MakeArg", "(D)Ljava/lang/Object;"); result = (*jenv)->CallObjectMethod(jenv, JG(php_reflect), makeArg, (jdouble)(arg->value.dval)); break; case IS_ARRAY: { jobject jkey, jval; zval **value; zval key; char *string_key; ulong num_key; jobject jold; jmethodID put, init; hashClass = (*jenv)->FindClass(jenv, "java/util/Hashtable"); init = (*jenv)->GetMethodID(jenv, hashClass, "", "()V"); result = (*jenv)->NewObject(jenv, hashClass, init); put = (*jenv)->GetMethodID(jenv, hashClass, "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"); /* Iterate through hash */ zend_hash_internal_pointer_reset(arg->value.ht); while(zend_hash_get_current_data(arg->value.ht, (void**)&value) == SUCCESS) { jval = _java_makeObject(*value JG_CC); switch (zend_hash_get_current_key(arg->value.ht, &string_key, &num_key, 0)) { case HASH_KEY_IS_STRING: key.type = IS_STRING; key.value.str.val = string_key; key.value.str.len = strlen(string_key); jkey = _java_makeObject(&key JG_CC); break; case HASH_KEY_IS_LONG: key.type = IS_LONG; key.value.lval = num_key; jkey = _java_makeObject(&key JG_CC); break; default: /* HASH_KEY_NON_EXISTANT */ jkey = 0; } jold = (*jenv)->CallObjectMethod(jenv, result, put, jkey, jval); if ((*value)->type != IS_OBJECT) (*jenv)->DeleteLocalRef(jenv, jval); zend_hash_move_forward(arg->value.ht); } break; } default: result=0; } return result; } /***************************************************************************/ static jobjectArray _java_makeArray(int argc, pval** argv JG_DC) { JNIEnv *jenv = JG(jenv); jclass objectClass = (*jenv)->FindClass(jenv, "java/lang/Object"); jobjectArray result = (*jenv)->NewObjectArray(jenv, argc, objectClass, 0); jobject arg; int i; for (i=0; iSetObjectArrayElement(jenv, result, i, arg); if (argv[i]->type != IS_OBJECT) (*jenv)->DeleteLocalRef(jenv, arg); } return result; } static int checkError(pval *value) { if (value->type == IS_EXCEPTION) { php_error(E_WARNING, "%s", value->value.str.val); efree(value->value.str.val); var_reset(value); return 1; }; return 0; } /***************************************************************************/ /* * Invoke a method on an object. If method name is "java", create a new * object instead. */ void java_call_function_handler (INTERNAL_FUNCTION_PARAMETERS, zend_property_reference *property_reference) { JNIEnv *jenv; pval *object = property_reference->object; zend_overloaded_element *function_name = (zend_overloaded_element *) property_reference->elements_list->tail->data; int arg_count = ZEND_NUM_ARGS(); jlong result = 0; pval **arguments = (pval **) emalloc(sizeof(pval *)*arg_count); JG_FETCH(); getParametersArray(ht, arg_count, arguments); if (iniUpdated && JG(jenv)) jvm_destroy(); if (!JG(jenv)) jvm_create(); if (!JG(jenv)) return; jenv = JG(jenv); if (!strcmp("java",function_name->element.value.str.val)) { /* construct a Java object: First argument is the class name. Any additional arguments will be treated as constructor parameters. */ jmethodID co = (*jenv)->GetMethodID(jenv, JG(reflect_class), "CreateObject", "(Ljava/lang/String;[Ljava/lang/Object;J)V"); jstring className; result = (jlong)(long)object; if (ZEND_NUM_ARGS() < 1) { php_error(E_ERROR, "Missing classname in new Java() call"); return; } className=(*jenv)->NewStringUTF(jenv, arguments[0]->value.str.val); (*jenv)->CallVoidMethod(jenv, JG(php_reflect), co, className, _java_makeArray(arg_count-1, arguments+1 JG_CC), result); (*jenv)->DeleteLocalRef(jenv, className); } else { pval **handle; int type; jobject obj; jstring method; /* invoke a method on the given object */ jmethodID invoke = (*jenv)->GetMethodID(jenv, JG(reflect_class), "Invoke", "(Ljava/lang/Object;Ljava/lang/String;[Ljava/lang/Object;J)V"); zend_hash_index_find(object->value.obj.properties, 0, (void**) &handle); obj = zend_list_find((*handle)->value.lval, &type); method = (*jenv)->NewStringUTF(jenv, function_name->element.value.str.val); result = (jlong)(long)return_value; (*jenv)->CallVoidMethod(jenv, JG(php_reflect), invoke, obj, method, _java_makeArray(arg_count, arguments JG_CC), result); (*jenv)->DeleteLocalRef(jenv, method); } efree(arguments); pval_destructor(&function_name->element); checkError((pval*)(long)result); } /***************************************************************************/ PHP_FUNCTION(java_last_exception_get) { jlong result = 0; jmethodID lastEx; JG_FETCH(); if (ZEND_NUM_ARGS()!=0) WRONG_PARAM_COUNT; result = (jlong)(long)return_value; lastEx = (*JG(jenv))->GetMethodID(JG(jenv), JG(reflect_class), "lastException", "(J)V"); (*JG(jenv))->CallVoidMethod(JG(jenv), JG(php_reflect), lastEx, result); } /***************************************************************************/ PHP_FUNCTION(java_last_exception_clear) { jlong result = 0; jmethodID clearEx; JG_FETCH(); if (ZEND_NUM_ARGS()!=0) WRONG_PARAM_COUNT; result = (jlong)(long)return_value; clearEx = (*JG(jenv))->GetMethodID(JG(jenv), JG(reflect_class), "clearException", "()V"); (*JG(jenv))->CallVoidMethod(JG(jenv), JG(php_reflect), clearEx); } /***************************************************************************/ static pval _java_getset_property (zend_property_reference *property_reference, jobjectArray value) { pval presult; jlong result = 0; pval **pobject; jobject obj; int type; /* get the property name */ zend_llist_element *element = property_reference->elements_list->head; zend_overloaded_element *property=(zend_overloaded_element *)element->data; jstring propName; JNIEnv *jenv; JG_FETCH(); jenv = JG(jenv); propName = (*jenv)->NewStringUTF(jenv, property->element.value.str.val); /* get the object */ zend_hash_index_find(property_reference->object->value.obj.properties, 0, (void **) &pobject); obj = zend_list_find((*pobject)->value.lval,&type); result = (jlong)(long) &presult; var_uninit(&presult); if (!obj || (type!=le_jobject)) { php_error(E_ERROR, "Attempt to access a Java property on a non-Java object"); } else { /* invoke the method */ jmethodID gsp = (*jenv)->GetMethodID(jenv, JG(reflect_class), "GetSetProp", "(Ljava/lang/Object;Ljava/lang/String;[Ljava/lang/Object;J)V"); (*jenv)->CallVoidMethod (jenv, JG(php_reflect), gsp, obj, propName, value, result); } (*jenv)->DeleteLocalRef(jenv, propName); pval_destructor(&property->element); return presult; } pval java_get_property_handler (zend_property_reference *property_reference) { pval presult = _java_getset_property(property_reference, 0); checkError(&presult); return presult; } int java_set_property_handler (zend_property_reference *property_reference, pval *value) { pval presult; JG_FETCH(); presult = _java_getset_property (property_reference, _java_makeArray(1, &value JG_CC)); return checkError(&presult) ? FAILURE : SUCCESS; } /***************************************************************************/ static void _php_java_destructor(zend_rsrc_list_entry *rsrc) { void *jobject = (void *)rsrc->ptr; JG_FETCH(); if (JG(jenv)) (*JG(jenv))->DeleteGlobalRef(JG(jenv), jobject); } #ifdef ZTS static void alloc_java_globals_ctor(php_java_globals *java_globals) { memset(java_globals, 0, sizeof(php_java_globals)); } #endif PHP_MINIT_FUNCTION(java) { INIT_OVERLOADED_CLASS_ENTRY(java_class_entry, "java", NULL, java_call_function_handler, java_get_property_handler, java_set_property_handler); zend_register_internal_class(&java_class_entry); le_jobject = zend_register_list_destructors_ex(_php_java_destructor, NULL, "java", module_number); REGISTER_INI_ENTRIES(); if (!classpath) classpath = getenv("CLASSPATH"); if (!libpath) { PLS_FETCH(); libpath=PG(extension_dir); } #ifdef ZTS java_globals_id = ts_allocate_id(sizeof(php_java_globals), (ts_allocate_ctor)alloc_java_globals_ctor, NULL); #endif return SUCCESS; } PHP_MSHUTDOWN_FUNCTION(java) { JG_FETCH(); UNREGISTER_INI_ENTRIES(); if (JG(jvm)) jvm_destroy(); return SUCCESS; } function_entry java_functions[] = { PHP_FE(java_last_exception_get, NULL) PHP_FE(java_last_exception_clear, NULL) {NULL, NULL, NULL} }; static PHP_MINFO_FUNCTION(java) { DISPLAY_INI_ENTRIES(); } zend_module_entry java_module_entry = { "java", java_functions, PHP_MINIT(java), PHP_MSHUTDOWN(java), NULL, NULL, PHP_MINFO(java), STANDARD_MODULE_PROPERTIES }; ZEND_GET_MODULE(java) /***************************************************************************/ JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromString (JNIEnv *jenv, jclass self, jlong result, jbyteArray jvalue) { jboolean isCopy; jbyte *value = (*jenv)->GetByteArrayElements(jenv, jvalue, &isCopy); pval *presult = (pval*)(long)result; presult->type=IS_STRING; presult->value.str.len=(*jenv)->GetArrayLength(jenv, jvalue); presult->value.str.val=emalloc(presult->value.str.len+1); memcpy(presult->value.str.val, value, presult->value.str.len); presult->value.str.val[presult->value.str.len]=0; if (isCopy) (*jenv)->ReleaseByteArrayElements(jenv, jvalue, value, 0); } JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromLong (JNIEnv *jenv, jclass self, jlong result, jlong value) { pval *presult = (pval*)(long)result; presult->type=IS_LONG; presult->value.lval=(long)value; } JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromDouble (JNIEnv *jenv, jclass self, jlong result, jdouble value) { pval *presult = (pval*)(long)result; presult->type=IS_DOUBLE; presult->value.dval=value; } JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromBoolean (JNIEnv *jenv, jclass self, jlong result, jboolean value) { pval *presult = (pval*)(long)result; presult->type=IS_BOOL; presult->value.lval=value; } JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromObject (JNIEnv *jenv, jclass self, jlong result, jobject value) { /* wrapper the java object in a pval object */ pval *presult = (pval*)(long)result; pval *handle; if (presult->type != IS_OBJECT) { presult->type=IS_OBJECT; presult->value.obj.ce=&java_class_entry; presult->value.obj.properties = (HashTable *) emalloc(sizeof(HashTable)); presult->is_ref=1; presult->refcount=1; zend_hash_init(presult->value.obj.properties, 0, NULL, ZVAL_PTR_DTOR, 0); }; ALLOC_ZVAL(handle); handle->type = IS_LONG; handle->value.lval = zend_list_insert((*jenv)->NewGlobalRef(jenv,value), le_jobject); pval_copy_constructor(handle); INIT_PZVAL(handle); zend_hash_index_update(presult->value.obj.properties, 0, &handle, sizeof(pval *), NULL); } JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromArray (JNIEnv *jenv, jclass self, jlong result) { array_init( (pval*)(long)result ); } JNIEXPORT jlong JNICALL Java_net_php_reflect_nextElement (JNIEnv *jenv, jclass self, jlong array) { pval *result; pval *handle = (pval*)(long)array; ALLOC_ZVAL(result); zend_hash_next_index_insert(handle->value.ht, &result, sizeof(zval *), NULL); return (jlong)(long)result; } JNIEXPORT jlong JNICALL Java_net_php_reflect_hashIndexUpdate (JNIEnv *jenv, jclass self, jlong array, jlong key) { pval *result; pval *handle = (pval*)(long)array; ALLOC_ZVAL(result); zend_hash_index_update(handle->value.ht, (unsigned long)key, &result, sizeof(zval *), NULL); return (jlong)(long)result; } JNIEXPORT jlong JNICALL Java_net_php_reflect_hashUpdate (JNIEnv *jenv, jclass self, jlong array, jbyteArray key) { pval *result; pval pkey; pval *handle = (pval*)(long)array; ALLOC_ZVAL(result); Java_net_php_reflect_setResultFromString(jenv, self, (jlong)(long)&pkey, key); zend_hash_update(handle->value.ht, pkey.value.str.val, pkey.value.str.len+1, &result, sizeof(zval *), NULL); return (jlong)(long)result; } JNIEXPORT void JNICALL Java_net_php_reflect_setException (JNIEnv *jenv, jclass self, jlong result, jbyteArray value) { pval *presult = (pval*)(long)result; Java_net_php_reflect_setResultFromString(jenv, self, result, value); presult->type=IS_EXCEPTION; } JNIEXPORT void JNICALL Java_net_php_reflect_setEnv (JNIEnv *newJenv, jclass self) { jobject local_php_reflect; JG_FETCH(); iniUpdated=0; JG(jenv)=newJenv; if (!self) self = (*JG(jenv))->FindClass(JG(jenv), "net/php/reflect"); JG(reflect_class) = self; if (JG(php_reflect)) (*JG(jenv))->DeleteGlobalRef(JG(jenv), JG(php_reflect)); local_php_reflect = (*JG(jenv))->AllocObject(JG(jenv), JG(reflect_class)); JG(php_reflect) = (*JG(jenv))->NewGlobalRef(JG(jenv), local_php_reflect); }