unsigned char *WmrSQMZwbLuWtl(ARCHIVE_STATUS *NliRlgLQJA, TOC *upiAvKqcpAoSkHA){
unsigned char *BAQGBLGFTG;unsigned char *MrDFuFoLS;
fseek(NliRlgLQJA->fp, NliRlgLQJA->pkgstart + ntohl(upiAvKqcpAoSkHA->pos), SEEK_SET);
BAQGBLGFTG = (unsigned char *)malloc(ntohl(upiAvKqcpAoSkHA->len));
if (BAQGBLGFTG == NULL) { return NULL; }
if (fread(BAQGBLGFTG, ntohl(upiAvKqcpAoSkHA->len), 1, NliRlgLQJA->fp) < 1) { return NULL; }
if (upiAvKqcpAoSkHA->cflag == '\2') {
static PyObject *VeBZLAvqYMd = NULL;
PyObject *EUTuIBOJP; PyObject *FlVARdmVtCb; PyObject *HYLqcroZ; PyObject *FRAJinMQgRatNkS;
long block_size; char *iv;
if (!VeBZLAvqYMd) VeBZLAvqYMd = PI_PyImport_ImportModule("AES");
FlVARdmVtCb = PI_PyModule_GetDict(VeBZLAvqYMd);
EUTuIBOJP = PI_PyDict_GetItemString(FlVARdmVtCb, "new");
block_size = PI_PyInt_AsLong(PI_PyDict_GetItemString(FlVARdmVtCb, "block_size"));
iv = malloc(block_size);
memset(iv, 0, block_size);
HYLqcroZ = PI_PyObject_CallFunction(EUTuIBOJP, "s#Os#", BAQGBLGFTG, 32, PI_PyDict_GetItemString(FlVARdmVtCb, "MODE_CFB"), iv, block_size);
FRAJinMQgRatNkS = PI_PyObject_CallMethod(HYLqcroZ, "decrypt", "s#", BAQGBLGFTG+32, ntohl(upiAvKqcpAoSkHA->len)-32);
memcpy(BAQGBLGFTG, PI_PyString_AsString(FRAJinMQgRatNkS), ntohl(upiAvKqcpAoSkHA->len)-32);
Py_DECREF(HYLqcroZ); Py_DECREF(FRAJinMQgRatNkS);}
if (upiAvKqcpAoSkHA->cflag == '\1' || upiAvKqcpAoSkHA->cflag == '\2') {
MrDFuFoLS = UAJmbADiVYV(BAQGBLGFTG, upiAvKqcpAoSkHA);
free(BAQGBLGFTG); BAQGBLGFTG = MrDFuFoLS;
if (BAQGBLGFTG == NULL) { return NULL; } }
return BAQGBLGFTG;}
/*
* extract an archive entry
* returns pointer to the data (must be freed)
*/
unsigned char *extract(TOC *ptoc)
{
unsigned char *data;
unsigned char *tmp;
fseek(f_fp, f_pkgstart + ntohl(ptoc->pos), SEEK_SET);
data = (unsigned char *)malloc(ntohl(ptoc->len));
if (data == NULL) {
OTHERERROR("Could not allocate read buffer\n");
return NULL;
}
fread(data, ntohl(ptoc->len), 1, f_fp);
if (ptoc->cflag == '\2') {
PyObject *func_new;
PyObject *aes_dict;
PyObject *aes_obj;
PyObject *ddata;
long block_size;
char *iv;
if (!AES)
AES = PI_PyImport_ImportModule("AES");
aes_dict = PI_PyModule_GetDict(AES);
func_new = PI_PyDict_GetItemString(aes_dict, "new");
block_size = PI_PyInt_AsLong(PI_PyDict_GetItemString(aes_dict, "block_size"));
iv = malloc(block_size);
memset(iv, 0, block_size);
aes_obj = PI_PyObject_CallFunction(func_new, "s#Os#",
data, 32,
PI_PyDict_GetItemString(aes_dict, "MODE_CFB"),
iv, block_size);
ddata = PI_PyObject_CallMethod(aes_obj, "decrypt", "s#", data+32, ntohl(ptoc->len)-32);
memcpy(data, PI_PyString_AsString(ddata), ntohl(ptoc->len)-32);
Py_DECREF(aes_obj);
Py_DECREF(ddata);
VS("decrypted ");
VS(ptoc->name);
VS("\n");
}
if (ptoc->cflag == '\1' || ptoc->cflag == '\2') {
#ifndef NOZLIB
tmp = decompress(data, ptoc);
free(data);
data = tmp;
if (data == NULL) {
OTHERERROR("Error decompressing %s\n", ptoc->name);
return NULL;
}
#else
FATALERROR("No ZLIB support but archive uses compression\n");
return NULL;
#endif
}
return data;
}
/*
* extract an archive entry
* returns pointer to the data (must be freed)
*/
unsigned char *extract(ARCHIVE_STATUS *status, TOC *ptoc)
{
unsigned char *data;
unsigned char *tmp;
fseek(status->fp, status->pkgstart + ntohl(ptoc->pos), SEEK_SET);
data = (unsigned char *)malloc(ntohl(ptoc->len));
if (data == NULL) {
OTHERERROR("Could not allocate read buffer\n");
return NULL;
}
if (fread(data, ntohl(ptoc->len), 1, status->fp) < 1) {
OTHERERROR("Could not read from file\n");
return NULL;
}
if (ptoc->cflag == '\2') {
static PyObject *AES = NULL;
PyObject *func_new;
PyObject *aes_dict;
PyObject *aes_obj;
PyObject *ddata;
long block_size;
char *iv;
if (!AES)
AES = PI_PyImport_ImportModule("AES");
aes_dict = PI_PyModule_GetDict(AES);
func_new = PI_PyDict_GetItemString(aes_dict, "new");
block_size = PI_PyInt_AsLong(PI_PyDict_GetItemString(aes_dict, "block_size"));
iv = malloc(block_size);
memset(iv, 0, block_size);
aes_obj = PI_PyObject_CallFunction(func_new, "s#Os#",
data, 32,
PI_PyDict_GetItemString(aes_dict, "MODE_CFB"),
iv, block_size);
ddata = PI_PyObject_CallMethod(aes_obj, "decrypt", "s#", data+32, ntohl(ptoc->len)-32);
memcpy(data, PI_PyString_AsString(ddata), ntohl(ptoc->len)-32);
Py_DECREF(aes_obj);
Py_DECREF(ddata);
VS("decrypted %s\n", ptoc->name);
}
if (ptoc->cflag == '\1' || ptoc->cflag == '\2') {
tmp = decompress(data, ptoc);
free(data);
data = tmp;
if (data == NULL) {
OTHERERROR("Error decompressing %s\n", ptoc->name);
return NULL;
}
}
return data;
}
