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-rw-r--r--mountd/Server.c313
1 files changed, 0 insertions, 313 deletions
diff --git a/mountd/Server.c b/mountd/Server.c
deleted file mode 100644
index 64459bd..0000000
--- a/mountd/Server.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/*
- * Copyright (C) 2008 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.
- */
-
-/*
-** mountd server support
-*/
-
-#include "mountd.h"
-#include "ASEC.h"
-
-#include <cutils/properties.h>
-#include <cutils/sockets.h>
-
-#include <pthread.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/socket.h>
-
-#include <private/android_filesystem_config.h>
-
-
-// current client file descriptor
-static int sFD = -1;
-
-// to synchronize writing to client
-static pthread_mutex_t sWriteMutex = PTHREAD_MUTEX_INITIALIZER;
-
-// path for media that failed to mount before the runtime is connected
-static char* sDeferredUnmountableMediaPath = NULL;
-
-// last asec msg before the runtime was connected
-static char* sAsecDeferredMessage = NULL;
-static char* sAsecDeferredArgument = NULL;
-
-static int Write(const char* message)
-{
- int result = -1;
-
- pthread_mutex_lock(&sWriteMutex);
-
- LOG_SERVER("Write: %s\n", message);
- if (sFD >= 0)
- result = write(sFD, message, strlen(message) + 1);
-
- pthread_mutex_unlock(&sWriteMutex);
-
- return result;
-}
-
-static int Write2(const char* message, const char* data)
-{
- int result = -1;
-
- char* buffer = (char *)alloca(strlen(message) + strlen(data) + 1);
- if (!buffer)
- {
- LOG_ERROR("alloca failed in Write2\n");
- return -1;
- }
-
- strcpy(buffer, message);
- strcat(buffer, data);
- return Write(buffer);
-}
-
-static void SendStatus()
-{
- Write(IsMassStorageConnected() ? MOUNTD_UMS_CONNECTED : MOUNTD_UMS_DISCONNECTED);
- Write(IsMassStorageEnabled() ? MOUNTD_UMS_ENABLED : MOUNTD_UMS_DISABLED);
-}
-
-static void DoCommand(const char* command)
-{
- LOG_SERVER("DoCommand %s\n", command);
-
- if (strcmp(command, MOUNTD_ENABLE_UMS) == 0)
- {
- EnableMassStorage(true);
- Write(MOUNTD_UMS_ENABLED);
- }
- else if (strcmp(command, MOUNTD_DISABLE_UMS) == 0)
- {
- EnableMassStorage(false);
- Write(MOUNTD_UMS_DISABLED);
- }
- else if (strcmp(command, MOUNTD_SEND_STATUS) == 0)
- {
- SendStatus();
- }
- else if (strncmp(command, MOUNTD_MOUNT_MEDIA, strlen(MOUNTD_MOUNT_MEDIA)) == 0)
- {
- const char* path = command + strlen(MOUNTD_MOUNT_MEDIA);
- MountMedia(path);
- }
- else if (strncmp(command, MOUNTD_EJECT_MEDIA, strlen(MOUNTD_EJECT_MEDIA)) == 0)
- {
- const char* path = command + strlen(MOUNTD_EJECT_MEDIA);
- UnmountMedia(path);
- }
- else if (strncmp(command, ASEC_CMD_ENABLE, strlen(ASEC_CMD_ENABLE)) == 0) {
- LOG_ASEC("Got ASEC_CMD_ENABLE\n");
- // XXX: SAN: Impliment
- }
- else if (strncmp(command, ASEC_CMD_DISABLE, strlen(ASEC_CMD_DISABLE)) == 0) {
- LOG_ASEC("Got ASEC_CMD_DISABLE\n");
- // XXX: SAN: Impliment
- }
- else if (strncmp(command, ASEC_CMD_SEND_STATUS, strlen(ASEC_CMD_SEND_STATUS)) == 0) {
- LOG_ASEC("Got ASEC_CMD_SEND_STATUS\n");
- // XXX: SAN: Impliment
- }
- else
- LOGE("unknown command %s\n", command);
-}
-
-int RunServer()
-{
- int socket = android_get_control_socket(MOUNTD_SOCKET);
- if (socket < 0) {
- LOGE("Obtaining file descriptor for socket '%s' failed: %s",
- MOUNTD_SOCKET, strerror(errno));
- return -1;
- }
-
- if (listen(socket, 4) < 0) {
- LOGE("Unable to listen on file descriptor '%d' for socket '%s': %s",
- socket, MOUNTD_SOCKET, strerror(errno));
- return -1;
- }
-
- while (1)
- {
- struct sockaddr addr;
- socklen_t alen;
- struct ucred cred;
- socklen_t size;
-
- alen = sizeof(addr);
- sFD = accept(socket, &addr, &alen);
- if (sFD < 0)
- continue;
-
- if (sDeferredUnmountableMediaPath) {
- NotifyMediaState(sDeferredUnmountableMediaPath, MEDIA_UNMOUNTABLE, false);
- free(sDeferredUnmountableMediaPath);
- sDeferredUnmountableMediaPath = NULL;
- }
-
- if (sAsecDeferredMessage) {
-
- if (Write2(sAsecDeferredMessage, sAsecDeferredArgument) < 0)
- LOG_ERROR("Failed to deliver deferred ASEC msg to framework\n");
- free(sAsecDeferredMessage);
- free(sAsecDeferredArgument);
- sAsecDeferredMessage = sAsecDeferredArgument = NULL;
- }
-
- while (1)
- {
- char buffer[101];
- int result = read(sFD, buffer, sizeof(buffer) - 1);
- if (result > 0)
- {
- int start = 0;
- int i;
- // command should be zero terminated, but just in case
- buffer[result] = 0;
- for (i = 0; i < result; i++)
- {
- if (buffer[i] == 0)
- {
- DoCommand(buffer + start);
- start = i + 1;
- }
- }
- }
- else
- {
- close(sFD);
- sFD = -1;
- break;
- }
- }
- }
-
- // should never get here
- return 0;
-}
-
-void SendMassStorageConnected(boolean connected)
-{
- Write(connected ? MOUNTD_UMS_CONNECTED : MOUNTD_UMS_DISCONNECTED);
-}
-
-void SendUnmountRequest(const char* path)
-{
- Write2(MOUNTD_REQUEST_EJECT, path);
-}
-
-void NotifyAsecState(AsecState state, const char *argument)
-{
- const char *event = NULL;
- const char *status = NULL;
- boolean deferr = true;;
-
- switch (state) {
- case ASEC_DISABLED:
- event = ASEC_EVENT_DISABLED;
- status = ASEC_STATUS_DISABLED;
- break;
- case ASEC_AVAILABLE:
- event = ASEC_EVENT_AVAILABLE;
- status = ASEC_STATUS_AVAILABLE;
- break;
- case ASEC_BUSY:
- event = ASEC_EVENT_BUSY;
- status = ASEC_STATUS_BUSY;
- deferr = false;
- break;
- case ASEC_FAILED_INTERR:
- event = ASEC_EVENT_FAILED_INTERR;
- status = ASEC_STATUS_FAILED_INTERR;
- break;
- case ASEC_FAILED_NOMEDIA:
- event = ASEC_EVENT_FAILED_NOMEDIA;
- status = ASEC_STATUS_FAILED_NOMEDIA;
- break;
- case ASEC_FAILED_BADMEDIA:
- event = ASEC_EVENT_FAILED_BADMEDIA;
- status = ASEC_STATUS_FAILED_BADMEDIA;
- break;
- case ASEC_FAILED_BADKEY:
- event = ASEC_EVENT_FAILED_BADKEY;
- status = ASEC_STATUS_FAILED_BADKEY;
- break;
- default:
- LOG_ERROR("unknown AsecState %d in NotifyAsecState\n", state);
- return;
- }
-
- property_set(ASEC_STATUS, status);
-
- int result = Write2(event, argument);
- if ((result < 0) && deferr) {
- if (sAsecDeferredMessage)
- free(sAsecDeferredMessage);
- sAsecDeferredMessage = strdup(event);
- if (sAsecDeferredArgument)
- free(sAsecDeferredArgument);
- sAsecDeferredArgument = strdup(argument);
- LOG_ASEC("Deferring event '%s' arg '%s' until framework connects\n", event, argument);
- }
-}
-
-void NotifyMediaState(const char* path, MediaState state, boolean readOnly)
-{
- const char* event = NULL;
- const char* propertyValue = NULL;
-
- switch (state) {
- case MEDIA_REMOVED:
- event = MOUNTD_MEDIA_REMOVED;
- propertyValue = EXTERNAL_STORAGE_REMOVED;
- break;
- case MEDIA_UNMOUNTED:
- event = MOUNTD_MEDIA_UNMOUNTED;
- propertyValue = EXTERNAL_STORAGE_UNMOUNTED;
- break;
- case MEDIA_MOUNTED:
- event = (readOnly ? MOUNTD_MEDIA_MOUNTED_READ_ONLY : MOUNTD_MEDIA_MOUNTED);
- propertyValue = (readOnly ? EXTERNAL_STORAGE_MOUNTED_READ_ONLY : EXTERNAL_STORAGE_MOUNTED);
- break;
- case MEDIA_SHARED:
- event = MOUNTD_MEDIA_SHARED;
- propertyValue = EXTERNAL_STORAGE_SHARED;
- break;
- case MEDIA_BAD_REMOVAL:
- event = MOUNTD_MEDIA_BAD_REMOVAL;
- propertyValue = EXTERNAL_STORAGE_BAD_REMOVAL;
- break;
- case MEDIA_UNMOUNTABLE:
- event = MOUNTD_MEDIA_UNMOUNTABLE;
- propertyValue = EXTERNAL_STORAGE_UNMOUNTABLE;
- break;
- default:
- LOG_ERROR("unknown MediaState %d in NotifyMediaState\n", state);
- return;
- }
-
- property_set(EXTERNAL_STORAGE_STATE, propertyValue);
- int result = Write2(event, path);
- if (result < 0 && state == MEDIA_UNMOUNTABLE) {
-
- // if we cannot communicate with the runtime, defer this message until the runtime is available
- sDeferredUnmountableMediaPath = strdup(path);
- }
-}
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