60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
|
#include "UpdateDialogGtkFactory.h"
|
||
|
|
|
||
|
|
#include "Log.h"
|
||
|
|
#include "UpdateDialog.h"
|
||
|
|
#include "StringUtils.h"
|
||
|
|
|
||
|
|
#include <dlfcn.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <sys/stat.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
class UpdateDialogGtk;
|
||
|
|
|
||
|
|
// GTK updater UI library embedded into
|
||
|
|
// the updater binary
|
||
|
|
extern unsigned char libupdatergtk_so[];
|
||
|
|
extern unsigned int libupdatergtk_so_len;
|
||
|
|
|
||
|
|
// pointers to helper functions in the GTK updater UI library
|
||
|
|
UpdateDialogGtk* (*update_dialog_gtk_new)() = 0;
|
||
|
|
|
||
|
|
bool extractFileFromBinary(const char* path, const void* buffer, size_t length)
|
||
|
|
{
|
||
|
|
int fd = open(path,O_CREAT | O_WRONLY | O_TRUNC,0755);
|
||
|
|
size_t count = write(fd,buffer,length);
|
||
|
|
if (fd < 0 || count < length)
|
||
|
|
{
|
||
|
|
if (fd >= 0)
|
||
|
|
{
|
||
|
|
close(fd);
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
close(fd);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
UpdateDialog* UpdateDialogGtkFactory::createDialog()
|
||
|
|
{
|
||
|
|
const char* libPath = "/tmp/libupdatergtk.so";
|
||
|
|
|
||
|
|
if (!extractFileFromBinary(libPath,libupdatergtk_so,libupdatergtk_so_len))
|
||
|
|
{
|
||
|
|
LOG(Warn,"Failed to load the GTK UI library - " + std::string(strerror(errno)));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void* gtkLib = dlopen(libPath,RTLD_LAZY);
|
||
|
|
if (!gtkLib)
|
||
|
|
{
|
||
|
|
LOG(Warn,"Failed to load the GTK UI - " + std::string(dlerror()));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
update_dialog_gtk_new = (UpdateDialogGtk* (*)()) dlsym(gtkLib,"update_dialog_gtk_new");
|
||
|
|
return reinterpret_cast<UpdateDialog*>(update_dialog_gtk_new());
|
||
|
|
}
|
||
|
|
|