bool RamdiskUpdater::create_zip()
{
ErrorCode result;
// Unlike the old patcher, we'll write directly to the new file
if (!open_output_archive()) {
return false;
}
void *handle = MinizipUtils::ctx_get_zip_handle(m_z_output);
if (m_cancelled) return false;
std::string arch_dir(m_pc.data_directory());
arch_dir += "/binaries/android/";
arch_dir += m_info->device().architecture();
std::vector<CopySpec> toCopy{
{
arch_dir + "/mbtool_recovery",
"META-INF/com/google/android/update-binary"
}, {
arch_dir + "/mbtool_recovery.sig",
"META-INF/com/google/android/update-binary.sig"
}, {
m_pc.data_directory() + "/scripts/bb-wrapper.sh",
"multiboot/bb-wrapper.sh"
}, {
m_pc.data_directory() + "/scripts/bb-wrapper.sh.sig",
"multiboot/bb-wrapper.sh.sig"
}
};
std::vector<std::string> binaries{
"file-contexts-tool",
"file-contexts-tool.sig",
"fsck-wrapper",
"fsck-wrapper.sig",
"mbtool",
"mbtool.sig",
"mount.exfat",
"mount.exfat.sig",
};
for (auto const &binary : binaries) {
toCopy.push_back({arch_dir + "/" + binary,
"multiboot/binaries/" + binary});
}
for (const CopySpec &spec : toCopy) {
if (m_cancelled) return false;
result = MinizipUtils::add_file_from_path(
handle, spec.target, spec.source);
if (result != ErrorCode::NoError) {
m_error = result;
return false;
}
}
if (m_cancelled) return false;
result = MinizipUtils::add_file_from_data(
handle, "multiboot/info.prop",
ZipPatcher::create_info_prop(m_info->rom_id()));
if (result != ErrorCode::NoError) {
m_error = result;
return false;
}
if (m_cancelled) return false;
std::string json;
if (!device::device_to_json(m_info->device(), json)) {
m_error = ErrorCode::MemoryAllocationError;
return false;
}
result = MinizipUtils::add_file_from_data(
handle, "multiboot/device.json", json);
if (result != ErrorCode::NoError) {
m_error = result;
return false;
}
if (m_cancelled) return false;
// Create dummy "installer"
result = MinizipUtils::add_file_from_data(
handle, "META-INF/com/google/android/update-binary.orig",
"#!/sbin/sh");
if (result != ErrorCode::NoError) {
m_error = result;
return false;
}
if (m_cancelled) return false;
return true;
}
bool ZIP_Wrapper::uncompress (char* zip_archive, char* path, bool verbose)
{
//open the zip archive
unzFile uf=0;
uf = unzOpen(zip_archive);
if (uf==0)
{
DANCE_ERROR (DANCE_LOG_ERROR,
(LM_DEBUG,ACE_TEXT("unzOpen failed to open the")
ACE_TEXT(" zipfile\n")));
return false;
}
//get the name of the archive
ACE_CString arch_dir (path);
arch_dir += "/";
//get only the name of the archive; remove path info
char* n = ACE_OS::strstr (zip_archive, "/");
char* zip_name = 0;
while (n != 0)
{
zip_name = ++n;
n = ACE_OS::strstr (n, "/");
}
arch_dir += zip_name;
//NOTE: Assumes .zip or cpk extension
arch_dir = arch_dir.substring (0, arch_dir.length () - 4);
//create directory with the name of zip archive
ACE_OS::mkdir(arch_dir.c_str());
//if dir exists -1 is returned and ignored
unz_global_info gi;
int err = unzGetGlobalInfo(uf, &gi);
if (err!=UNZ_OK)
{
DANCE_ERROR (DANCE_LOG_ERROR, (LM_DEBUG, ACE_TEXT("unzGetGlobalInfo failed to get global")
ACE_TEXT(" information about zipfile\n"), err));
return false;
}
err =unzGoToFirstFile(uf);
if (err!=UNZ_OK)
{
DANCE_ERROR (DANCE_LOG_ERROR, (LM_DEBUG,ACE_TEXT("error %d with zipfile in"
ACE_TEXT(" unzGoToFirstFile\n")), err));
return false;
}
/* read each entry of zip file, create directory structure if it is
a non existing directory whereas if it is a file, write the file
at the proper path in the directory structure */
for (uLong i=0;i<gi.number_entry;i++)
{
char filename_inzip[256];
unz_file_info file_info;
err = unzGetCurrentFileInfo(uf, &file_info, filename_inzip,
sizeof(filename_inzip), 0, 0, 0, 0);
if (err!=UNZ_OK)
{
DANCE_ERROR (DANCE_LOG_ERROR,
(LM_DEBUG, ACE_TEXT("unzGetCurrentFileInfo failed")
ACE_TEXT(" while trying to get information")
ACE_TEXT(" about currentfile\n"), err));
break;
}
int direc = checkdir(filename_inzip);
/* If it is a directory, we create directory structure */
if (direc==1)
{
makethedir(filename_inzip, arch_dir);
}
/* If it is a file, we read its data and write the uncompressed
data to the file with proper path.*/
else if (direc==0)
{
handlethefile(filename_inzip, uf, file_info, verbose, arch_dir);
}
if ((i+1)<gi.number_entry)
{
err = unzGoToNextFile(uf);
if (err!=UNZ_OK)
{
DANCE_ERROR (DANCE_LOG_ERROR,
(LM_ERROR,ACE_TEXT("unzGoToNextFile failed")
ACE_TEXT(" while trying to go to")
ACE_TEXT(" nextfile\n"), err));
break;
}
}
}
unzClose(uf);
return true;
}