int main(const int argc, const char *argv[])
{
int server_fd, client_fd;
int read_size;
short cmd_len;
struct sockaddr addr;
socklen_t alen;
info_sys("backuprestore service start!");
if ((server_fd = srv_create_sk()) < 0)
err_sys("create socket server error");
alen = sizeof(addr);
info_sys("Server socket create successfully!");
while(1){
client_fd = accept(server_fd, (struct sockaddr*) &addr, &alen);
if (client_fd < 0) {
debug_sys("socket accept failed, please try again!");
continue;
}
info_sys("before excute");
while (1) {
cmd_len = 0;
if (readx(client_fd, &cmd_len, sizeof(cmd_len)) <= 0){
debug_sys("cmd length read fail");
break;
}
if (cmd_len < 1 || cmd_len > 2048){
debug_sys("cmd length is not right");
break;
}
if (readx(client_fd, &cmd, cmd_len) <= 0){
debug_sys("read cmd fail");
break;
}
cmd[cmd_len] = 0;
if (excute(client_fd, cmd) < 0)
break;
}
close(client_fd);
}
close(server_fd);
info_sys("backuprestore service end!");
return EXIT_SUCCESS;
}
int
main(int argc, char *argv[])
{
printf("sysconfig v%s %s/%s %s " __TIME__ " " __DATE__ "\n",
PACKAGE_VERSION, CONFIG_PLATFORM, CONFIG_SRCARCH, CONFIG_ARCH);
info_cpu();
info_sys();
linkmap_init();
linkmap_fini();
return 0;
}
static int srv_create_sk()
{
int lsocket;
info_sys("Get socket from Android env!");
lsocket = android_get_control_socket(SOCKET_PATH);
if (lsocket < 0){
debug_sys("Failed to get socket from environment");
return -1;
}
if (listen(lsocket, QBACKLOG)) {
debug_sys("Listen on socket failed");
return -1;
}
fcntl(lsocket, F_SETFD, FD_CLOEXEC);
return lsocket;
}
int change_folder_owner(char *pathSrc, uid_t userId , gid_t groupId)
{
DIR *pDir=NULL;
char path[PATH_LENGTH]="";
struct dirent *ent = NULL;//目录属性
struct stat info;
if((pDir = opendir(pathSrc)) == NULL)
{
return -1;
}
while(NULL !=(ent=readdir(pDir)))
{
if(strcmp(ent->d_name,"..")==0||strcmp(ent->d_name,".")==0) //遇到子目录'.'或父母录标记'..'，继续
continue ;
strcpy(path, pathSrc);
stat(path, &info); // Error check omitted
struct passwd *pw = getpwuid(info.st_uid);
if(strcmp(pw->pw_name, "system") == 0){
info_sys("backuprestore uid = system!");
continue;
}
strcat(path,"/");
strcat(path,ent->d_name);
chown(path, userId, groupId);
if(4 == ent->d_type)//子目录
{
change_folder_owner(path, userId, groupId);
}
}
chown(pathSrc, userId, groupId);
if(pDir != NULL)
{
closedir(pDir);
}
return 0;
}
static int backup(char** args , char reply[REPLY_LEN])
{
info_sys("call backup");
ALOGI("srcpath: %s; destpath: %s", args[0], args[1]);
app_data_del(args[1]); // delete the file but the parent folder
int ret = backupAppData(args[0], args[1]);
if(ret >= 0){
struct stat selfstat;
stat("/data/data/com.mediatek.backuprestore", &selfstat);
struct passwd *pw = getpwuid(selfstat.st_uid);
if (pw != NULL)
{
change_folder_owner(args[1], pw->pw_uid, pw->pw_gid);
}
return 1;
} else {
cleardir(args[1]); //if copy fail,then delete the copied file and return -1
return -1;
}
}
