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#define _BSD_SOURCE 1
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "liborange_internal.h"
#include "liborange_log.h"
#include <libole2/libole2.h>
#include <stdio.h>
#include <string.h>
#define ROOT_DIRECTORY "/"
static void write_file(
MsOle* ole,
int index,
const char* name,
const char* output_directory,
const char* basename)
{
MsOleErr error;
MsOleStream* stream = NULL;
MsOlePos bytes_to_write = 0;
MsOlePos bytes_written = 0;
MsOlePos bytes_left = 0;
char output_filename[256];
FILE* output = NULL;
/* Open stream */
error = ms_ole_stream_open(&stream, ole, ROOT_DIRECTORY, name, 'r');
if (error != MS_OLE_ERR_OK)
goto exit;
/* Open output file */
snprintf(output_filename, sizeof(output_filename), "%s/%s.%04x", output_directory, basename, index);
output = fopen(output_filename, "w");
if (!output)
goto exit;
/* Dump stream */
for (bytes_left = stream->size; bytes_left; bytes_left -= bytes_written)
{
bytes_to_write = MIN(32, bytes_left);
guint8* ptr = stream->read_ptr(stream, bytes_to_write);
if (ptr)
{
bytes_written = fwrite(ptr, 1, bytes_to_write, output);
if (bytes_written == 0)
{
synce_error("Failed to write to file");
goto exit;
}
}
else
{
synce_error("Failed to read from OLE stream");
goto exit;
}
}
exit:
if (stream)
ms_ole_stream_close(&stream);
if (output)
fclose(output);
}
bool orange_extract_msi(
const char* input_filename,
const char* output_directory)
{
bool success = false;
MsOle* ole = NULL;
MsOleErr error;
char** names = NULL;
int i;
const char* basename;
synce_trace("here");
basename = strrchr(input_filename, '/');
if (basename)
basename++;
else
basename = input_filename;
error = ms_ole_open(&ole, input_filename);
if (error != MS_OLE_ERR_OK)
{
goto exit;
}
error = ms_ole_directory(&names, ole, ROOT_DIRECTORY);
if (error != MS_OLE_ERR_OK)
{
goto exit;
}
for (i = 0; names[i] != NULL; i++)
{
MsOleStat stat;
error = ms_ole_stat(&stat, ole, ROOT_DIRECTORY, names[i]);
if (error != MS_OLE_ERR_OK)
continue;
if (stat.type != MsOleStreamT)
continue;
write_file(ole, i, names[i], output_directory, basename);
}
success = true;
exit:
/* XXX: free names? */
if (ole)
ms_ole_destroy(&ole);
return success;
}
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