diff options
Diffstat (limited to 'core/jni/android_os_Exec.cpp')
-rw-r--r-- | core/jni/android_os_Exec.cpp | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/core/jni/android_os_Exec.cpp b/core/jni/android_os_Exec.cpp deleted file mode 100644 index ca5e695..0000000 --- a/core/jni/android_os_Exec.cpp +++ /dev/null @@ -1,215 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define LOG_TAG "Exec" - -#include "JNIHelp.h" -#include "jni.h" -#include "utils/Log.h" -#include "utils/misc.h" -#include "android_runtime/AndroidRuntime.h" - -#include <sys/types.h> -#include <sys/ioctl.h> -#include <sys/wait.h> -#include <errno.h> -#include <fcntl.h> -#include <stdlib.h> -#include <unistd.h> -#include <termios.h> - -namespace android -{ - -static jclass class_fileDescriptor; -static jfieldID field_fileDescriptor_descriptor; -static jmethodID method_fileDescriptor_init; - - -static int create_subprocess(const char *cmd, const char *arg0, const char *arg1, - int* pProcessId) -{ - char *devname; - int ptm; - pid_t pid; - - ptm = open("/dev/ptmx", O_RDWR); // | O_NOCTTY); - if(ptm < 0){ - LOGE("[ cannot open /dev/ptmx - %s ]\n",strerror(errno)); - return -1; - } - fcntl(ptm, F_SETFD, FD_CLOEXEC); - - if(grantpt(ptm) || unlockpt(ptm) || - ((devname = (char*) ptsname(ptm)) == 0)){ - LOGE("[ trouble with /dev/ptmx - %s ]\n", strerror(errno)); - return -1; - } - - pid = fork(); - if(pid < 0) { - LOGE("- fork failed: %s -\n", strerror(errno)); - return -1; - } - - if(pid == 0){ - int pts; - - setsid(); - - pts = open(devname, O_RDWR); - if(pts < 0) exit(-1); - - dup2(pts, 0); - dup2(pts, 1); - dup2(pts, 2); - - close(ptm); - - execl(cmd, cmd, arg0, arg1, NULL); - exit(-1); - } else { - *pProcessId = (int) pid; - return ptm; - } -} - - -static jobject android_os_Exec_createSubProcess(JNIEnv *env, jobject clazz, - jstring cmd, jstring arg0, jstring arg1, jintArray processIdArray) -{ - const jchar* str = cmd ? env->GetStringCritical(cmd, 0) : 0; - String8 cmd_8; - if (str) { - cmd_8 = String8(str, env->GetStringLength(cmd)); - env->ReleaseStringCritical(cmd, str); - } - - str = arg0 ? env->GetStringCritical(arg0, 0) : 0; - const char* arg0Str = 0; - String8 arg0_8; - if (str) { - arg0_8 = String8(str, env->GetStringLength(arg0)); - env->ReleaseStringCritical(arg0, str); - arg0Str = arg0_8.string(); - } - - str = arg1 ? env->GetStringCritical(arg1, 0) : 0; - const char* arg1Str = 0; - String8 arg1_8; - if (str) { - arg1_8 = String8(str, env->GetStringLength(arg1)); - env->ReleaseStringCritical(arg1, str); - arg1Str = arg1_8.string(); - } - - int procId; - int ptm = create_subprocess(cmd_8.string(), arg0Str, arg1Str, &procId); - - if (processIdArray) { - int procIdLen = env->GetArrayLength(processIdArray); - if (procIdLen > 0) { - jboolean isCopy; - - int* pProcId = (int*) env->GetPrimitiveArrayCritical(processIdArray, &isCopy); - if (pProcId) { - *pProcId = procId; - env->ReleasePrimitiveArrayCritical(processIdArray, pProcId, 0); - } - } - } - - jobject result = env->NewObject(class_fileDescriptor, method_fileDescriptor_init); - - if (!result) { - LOGE("Couldn't create a FileDescriptor."); - } - else { - env->SetIntField(result, field_fileDescriptor_descriptor, ptm); - } - - return result; -} - - -static void android_os_Exec_setPtyWindowSize(JNIEnv *env, jobject clazz, - jobject fileDescriptor, jint row, jint col, jint xpixel, jint ypixel) -{ - int fd; - struct winsize sz; - - fd = jniGetFDFromFileDescriptor(env, fileDescriptor); - - if (env->ExceptionOccurred() != NULL) { - return; - } - - sz.ws_row = row; - sz.ws_col = col; - sz.ws_xpixel = xpixel; - sz.ws_ypixel = ypixel; - - ioctl(fd, TIOCSWINSZ, &sz); -} - -static int android_os_Exec_waitFor(JNIEnv *env, jobject clazz, - jint procId) { - int status; - waitpid(procId, &status, 0); - int result = 0; - if (WIFEXITED(status)) { - result = WEXITSTATUS(status); - } - return result; -} - -static JNINativeMethod method_table[] = { - { "createSubprocess", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;[I)Ljava/io/FileDescriptor;", - (void*) android_os_Exec_createSubProcess }, - { "setPtyWindowSize", "(Ljava/io/FileDescriptor;IIII)V", - (void*) android_os_Exec_setPtyWindowSize}, - { "waitFor", "(I)I", - (void*) android_os_Exec_waitFor} -}; - -int register_android_os_Exec(JNIEnv *env) -{ - class_fileDescriptor = env->FindClass("java/io/FileDescriptor"); - - if (class_fileDescriptor == NULL) { - LOGE("Can't find java/io/FileDescriptor"); - return -1; - } - - field_fileDescriptor_descriptor = env->GetFieldID(class_fileDescriptor, "descriptor", "I"); - - if (field_fileDescriptor_descriptor == NULL) { - LOGE("Can't find FileDescriptor.descriptor"); - return -1; - } - - method_fileDescriptor_init = env->GetMethodID(class_fileDescriptor, "<init>", "()V"); - if (method_fileDescriptor_init == NULL) { - LOGE("Can't find FileDescriptor.init"); - return -1; - } - - return AndroidRuntime::registerNativeMethods( - env, "android/os/Exec", - method_table, NELEM(method_table)); -} - -}; |