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Grégory Soutadé
2021-07-03 21:57:53 +02:00
commit d5ce4d625e
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26
utils/LICENSE Normal file
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Copyright (c) 2021, Grégory Soutadé
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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TARGETS=acsmdownloader activate
CXXFLAGS=-Wall `pkg-config --cflags Qt5Core Qt5Network` -fPIC -I$(ROOT)/include -I$(ROOT)/lib/pugixml/src/
LDFLAGS=`pkg-config --libs Qt5Core Qt5Network` -L$(ROOT) -lgourou -lcrypto -lzip
ifneq ($(DEBUG),)
CXXFLAGS += -ggdb -O0
else
CXXFLAGS += -O2
endif
all: $(TARGETS)
acsmdownloader: drmprocessorclientimpl.cpp acsmdownloader.cpp
$(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -o $@
activate: drmprocessorclientimpl.cpp activate.cpp
$(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -o $@
clean:
rm -f $(TARGETS)
ultraclean: clean

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/*
Copyright (c) 2021, Grégory Soutadé
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include <getopt.h>
#include <iostream>
#include <QFile>
#include <QDir>
#include <QCoreApplication>
#include <QRunnable>
#include <QThreadPool>
#include <libgourou.h>
#include "drmprocessorclientimpl.h"
#define ARRAY_SIZE(arr) (sizeof(arr)/sizeof(arr[0]))
static const char* deviceFile = "device.xml";
static const char* activationFile = "activation.xml";
static const char* devicekeyFile = "devicesalt";
static const char* acsmFile = 0;
static const char* outputFile = 0;
static const char* outputDir = 0;
static const char* defaultDirs[] = {
".adept/",
"./adobe-digital-editions/",
"./.adobe-digital-editions/"
};
class ACSMDownloader: public QRunnable
{
public:
ACSMDownloader(QCoreApplication* app):
app(app)
{
setAutoDelete(false);
}
void run()
{
try
{
DRMProcessorClientImpl client;
gourou::DRMProcessor processor(&client, deviceFile, activationFile, devicekeyFile);
gourou::FulfillmentItem* item = processor.fulfill(acsmFile);
std::string filename;
if (!outputFile)
{
filename = item->getMetadata("title");
if (filename == "")
filename = "output.epub";
else
filename += ".epub";
}
if (outputDir)
{
QDir dir(outputDir);
if (!dir.exists(outputDir))
dir.mkpath(outputDir);
filename = std::string(outputDir) + "/" + filename;
}
processor.download(item, filename);
std::cout << "Created " << filename << std::endl;
} catch(std::exception& e)
{
std::cout << e.what() << std::endl;
this->app->exit(1);
}
this->app->exit(0);
}
private:
QCoreApplication* app;
};
static const char* findFile(const char* filename, bool inDefaultDirs=true)
{
QFile file(filename);
if (file.exists())
return strdup(filename);
if (!inDefaultDirs) return 0;
for (int i=0; i<(int)ARRAY_SIZE(defaultDirs); i++)
{
QString path = QString(defaultDirs[i]) + QString(filename);
file.setFileName(path);
if (file.exists())
return strdup(path.toStdString().c_str());
}
return 0;
}
static void usage(const char* cmd)
{
std::cout << "Download EPUB file from ACSM request file" << std::endl;
std::cout << "Usage: " << cmd << " [(-d|--device-file) device.xml] [(-a|--activation-file) activation.xml] [(-s|--device-key-file) devicesalt] [(-O|--output-dir) dir] [(-o|--output-file) output.epub] [(-v|--verbose)] [(-h|--help)] (-f|--acsm-file) file.acsm" << std::endl << std::endl;
std::cout << " " << "-d|--device-file" << "\t" << "device.xml file from eReader" << std::endl;
std::cout << " " << "-a|--activation-file" << "\t" << "activation.xml file from eReader" << std::endl;
std::cout << " " << "-k|--device-key-file" << "\t" << "private device key file (eg devicesalt/devkey.bin) from eReader" << std::endl;
std::cout << " " << "-O|--output-dir" << "\t" << "Optional output directory were to put result (default ./)" << std::endl;
std::cout << " " << "-o|--output-file" << "\t" << "Optional output epub filename (default <title.epub>)" << std::endl;
std::cout << " " << "-f|--acsm-file" << "\t" << "ACSM request file for epub download" << std::endl;
std::cout << " " << "-v|--verbose" << "\t\t" << "Increase verbosity, can be set multiple times" << std::endl;
std::cout << " " << "-h|--help" << "\t\t" << "This help" << std::endl;
std::cout << std::endl;
std::cout << "Device file, activation file and device key file are optionals. If not set, they are looked into :" << std::endl;
std::cout << " * Current directory" << std::endl;
std::cout << " * .adept" << std::endl;
std::cout << " * adobe-digital-editions directory" << std::endl;
std::cout << " * .adobe-digital-editions directory" << std::endl;
}
int main(int argc, char** argv)
{
int c, ret = -1;
const char** files[] = {&devicekeyFile, &deviceFile, &activationFile};
int verbose = gourou::DRMProcessor::getLogLevel();
while (1) {
int option_index = 0;
static struct option long_options[] = {
{"device-file", required_argument, 0, 'd' },
{"activation-file", required_argument, 0, 'a' },
{"device-key-file", required_argument, 0, 'k' },
{"output-dir", required_argument, 0, 'O' },
{"output-file", required_argument, 0, 'o' },
{"acsm-file", required_argument, 0, 'f' },
{"verbose", no_argument, 0, 'v' },
{"help", no_argument, 0, 'h' },
{0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "d:a:k:O:o:f:vh",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'd':
deviceFile = optarg;
break;
case 'a':
activationFile = optarg;
break;
case 'k':
devicekeyFile = optarg;
break;
case 'f':
acsmFile = optarg;
break;
case 'O':
outputDir = optarg;
break;
case 'o':
outputFile = optarg;
break;
case 'v':
verbose++;
break;
case 'h':
usage(argv[0]);
return 0;
break;
default:
usage(argv[0]);
return -1;
}
}
gourou::DRMProcessor::setLogLevel(verbose);
if (!acsmFile || (outputDir && !outputDir[0]) ||
(outputFile && !outputFile[0]))
{
usage(argv[0]);
return -1;
}
QCoreApplication app(argc, argv);
ACSMDownloader downloader(&app);
int i;
for (i=0; i<(int)ARRAY_SIZE(files); i++)
{
*files[i] = findFile(*files[i]);
if (!*files[i])
{
std::cout << "Error : " << *files[i] << " doesn't exists" << std::endl;
ret = -1;
goto end;
}
}
QFile file(acsmFile);
if (!file.exists())
{
std::cout << "Error : " << acsmFile << " doesn't exists" << std::endl;
ret = -1;
goto end;
}
QThreadPool::globalInstance()->start(&downloader);
ret = app.exec();
end:
for (i=0; i<(int)ARRAY_SIZE(files); i++)
{
if (*files[i])
free((void*)*files[i]);
}
return ret;
}

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/*
Copyright (c) 2021, Grégory Soutadé
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include <getopt.h>
#include <stdlib.h>
#include <termios.h>
#include <iostream>
#include <ostream>
#include <QFile>
#include <QDir>
#include <QCoreApplication>
#include <QRunnable>
#include <QThreadPool>
#include <libgourou.h>
#include "drmprocessorclientimpl.h"
#define ARRAY_SIZE(arr) (sizeof(arr)/sizeof(arr[0]))
static const char* username = 0;
static const char* password = 0;
static const char* outputDir = 0;
static const char* hobbesVersion = HOBBES_DEFAULT_VERSION;
static bool randomSerial = false;
// From http://www.cplusplus.com/articles/E6vU7k9E/
static int getch() {
int ch;
struct termios t_old, t_new;
tcgetattr(STDIN_FILENO, &t_old);
t_new = t_old;
t_new.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &t_new);
ch = getchar();
tcsetattr(STDIN_FILENO, TCSANOW, &t_old);
return ch;
}
static std::string getpass(const char *prompt, bool show_asterisk=false)
{
const char BACKSPACE=127;
const char RETURN=10;
std::string password;
unsigned char ch=0;
std::cout <<prompt;
while((ch=getch())!= RETURN)
{
if(ch==BACKSPACE)
{
if(password.length()!=0)
{
if(show_asterisk)
std::cout <<"\b \b";
password.resize(password.length()-1);
}
}
else
{
password+=ch;
if(show_asterisk)
std::cout <<'*';
}
}
std::cout <<std::endl;
return password;
}
class Activate: public QRunnable
{
public:
Activate(QCoreApplication* app):
app(app)
{
setAutoDelete(false);
}
void run()
{
try
{
DRMProcessorClientImpl client;
gourou::DRMProcessor* processor = gourou::DRMProcessor::createDRMProcessor(
&client, randomSerial, outputDir, hobbesVersion);
processor->signIn(username, password);
processor->activateDevice();
std::cout << username << " fully signed and device activated in " << outputDir << std::endl;
} catch(std::exception& e)
{
std::cout << e.what() << std::endl;
this->app->exit(1);
}
this->app->exit(0);
}
private:
QCoreApplication* app;
};
static void usage(const char* cmd)
{
std::cout << "Create new device files used by ADEPT DRM" << std::endl;
std::cout << "Usage: " << cmd << " (-u|--username) username [(-p|--password) password] [(-O|--output-dir) dir] [(-r|--random-serial)] [(-v|--verbose)] [(-h|--help)]" << std::endl << std::endl;
std::cout << " " << "-u|--username" << "\t\t" << "AdobeID username (ie adobe.com email account)" << std::endl;
std::cout << " " << "-p|--password" << "\t\t" << "AdobeID password (asked if not set via command line) " << std::endl;
std::cout << " " << "-O|--output-dir" << "\t" << "Optional output directory were to put result (default ./.adept). This directory must not already exists" << std::endl;
std::cout << " " << "-H|--hobbes-version" << "\t"<< "Force RMSDK version to a specific value (default: version of current librmsdk)" << std::endl;
std::cout << " " << "-r|--random-serial" << "\t"<< "Generate a random device serial (if not set, it will be dependent of your current configuration)" << std::endl;
std::cout << " " << "-v|--verbose" << "\t\t" << "Increase verbosity, can be set multiple times" << std::endl;
std::cout << " " << "-h|--help" << "\t\t" << "This help" << std::endl;
std::cout << std::endl;
}
static const char* abspath(const char* filename)
{
const char* root = getcwd(0, PATH_MAX);
QString fullPath = QString(root) + QString("/") + QString(filename);
const char* res = strdup(fullPath.toStdString().c_str());
free((void*)root);
return res;
}
int main(int argc, char** argv)
{
int c, ret = -1;
const char* _outputDir = outputDir;
int verbose = gourou::DRMProcessor::getLogLevel();
while (1) {
int option_index = 0;
static struct option long_options[] = {
{"username", required_argument, 0, 'u' },
{"password", required_argument, 0, 'p' },
{"output-dir", required_argument, 0, 'O' },
{"hobbes-version",required_argument, 0, 'H' },
{"random-serial", no_argument, 0, 'r' },
{"verbose", no_argument, 0, 'v' },
{"help", no_argument, 0, 'h' },
{0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "u:p:O:H:rvh",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'u':
username = optarg;
break;
case 'p':
password = optarg;
break;
case 'O':
_outputDir = optarg;
break;
case 'H':
hobbesVersion = optarg;
break;
case 'v':
verbose++;
break;
case 'h':
usage(argv[0]);
return 0;
break;
case 'r':
randomSerial = true;
break;
default:
usage(argv[0]);
return -1;
}
}
gourou::DRMProcessor::setLogLevel(verbose);
if (!username)
{
usage(argv[0]);
return -1;
}
if (!_outputDir || _outputDir[0] == 0)
{
outputDir = abspath(DEFAULT_ADEPT_DIR);
}
else
{
// Relative path
if (_outputDir[0] == '.' || _outputDir[0] != '/')
{
QFile file(_outputDir);
// realpath doesn't works if file/dir doesn't exists
if (file.exists())
outputDir = realpath(_outputDir, 0);
else
outputDir = abspath(_outputDir);
}
else
outputDir = strdup(_outputDir);
}
if (!password)
{
char prompt[128];
std::snprintf(prompt, sizeof(prompt), "Enter password for <%s> : ", username);
std::string pass = getpass((const char*)prompt, false);
password = pass.c_str();
}
QCoreApplication app(argc, argv);
Activate activate(&app);
QThreadPool::globalInstance()->start(&activate);
ret = app.exec();
free((void*)outputDir);
return ret;
}

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/*
Copyright (c) 2021, Grégory Soutadé
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <openssl/rand.h>
#include <openssl/pkcs12.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include <QCoreApplication>
#include <QNetworkReply>
#include <QNetworkRequest>
#include <QNetworkAccessManager>
#include <QFile>
#include <zip.h>
#include <libgourou_common.h>
#include <libgourou_log.h>
#include "drmprocessorclientimpl.h"
/* Digest interface */
void* DRMProcessorClientImpl::createDigest(const std::string& digestName)
{
EVP_MD_CTX *sha_ctx = EVP_MD_CTX_new();
const EVP_MD* md = EVP_get_digestbyname(digestName.c_str());
EVP_DigestInit(sha_ctx, md);
return sha_ctx;
}
int DRMProcessorClientImpl::digestUpdate(void* handler, unsigned char* data, unsigned int length)
{
return EVP_DigestUpdate((EVP_MD_CTX *)handler, data, length);
}
int DRMProcessorClientImpl::digestFinalize(void* handler, unsigned char* digestOut)
{
int res = EVP_DigestFinal((EVP_MD_CTX *)handler, digestOut, NULL);
EVP_MD_CTX_free((EVP_MD_CTX *)handler);
return res;
}
int DRMProcessorClientImpl::digest(const std::string& digestName, unsigned char* data, unsigned int length, unsigned char* digestOut)
{
void* handler = createDigest(digestName);
if (!handler)
return -1;
if (digestUpdate(handler, data, length))
return -1;
return digestFinalize(handler, digestOut);
}
/* Random interface */
void DRMProcessorClientImpl::randBytes(unsigned char* bytesOut, unsigned int length)
{
RAND_bytes(bytesOut, length);
}
/* HTTP interface */
std::string DRMProcessorClientImpl::sendHTTPRequest(const std::string& URL, const std::string& POSTData, const std::string& contentType)
{
QNetworkRequest request(QUrl(URL.c_str()));
QNetworkAccessManager networkManager;
QByteArray replyData;
GOUROU_LOG(gourou::INFO, "Send request to " << URL);
if (POSTData.size())
{
GOUROU_LOG(gourou::DEBUG, "<<< " << std::endl << POSTData);
}
request.setRawHeader("Accept", "*/*");
request.setRawHeader("User-Agent", "book2png");
if (contentType.size())
request.setRawHeader("Content-Type", contentType.c_str());
QNetworkReply* reply;
if (POSTData.size())
reply = networkManager.post(request, POSTData.c_str());
else
reply = networkManager.get(request);
QCoreApplication* app = QCoreApplication::instance();
networkManager.moveToThread(app->thread());
while (!reply->isFinished())
app->processEvents();
replyData = reply->readAll();
if (reply->rawHeader("Content-Type") == "application/vnd.adobe.adept+xml")
{
GOUROU_LOG(gourou::DEBUG, ">>> " << std::endl << replyData.data());
}
return std::string(replyData.data(), replyData.length());
}
void DRMProcessorClientImpl::RSAPrivateEncrypt(const unsigned char* RSAKey, unsigned int RSAKeyLength,
const RSA_KEY_TYPE keyType, const std::string& password,
const unsigned char* data, unsigned dataLength,
unsigned char* res)
{
PKCS12 * pkcs12;
EVP_PKEY* pkey;
X509* cert;
STACK_OF(X509)* ca;
RSA * rsa;
pkcs12 = d2i_PKCS12(NULL, &RSAKey, RSAKeyLength);
if (!pkcs12)
EXCEPTION(gourou::CLIENT_INVALID_PKCS12, ERR_error_string(ERR_get_error(), NULL));
PKCS12_parse(pkcs12, password.c_str(), &pkey, &cert, &ca);
rsa = EVP_PKEY_get1_RSA(pkey);
int ret = RSA_private_encrypt(dataLength, data, res, rsa, RSA_PKCS1_PADDING);
if (ret < 0)
EXCEPTION(gourou::CLIENT_RSA_ERROR, ERR_error_string(ERR_get_error(), NULL));
if (gourou::logLevel >= gourou::DEBUG)
{
printf("Sig : ");
for(int i=0; i<(int)sizeof(res); i++)
printf("%02x ", res[i]);
printf("\n");
}
}
void DRMProcessorClientImpl::RSAPublicEncrypt(const unsigned char* RSAKey, unsigned int RSAKeyLength,
const RSA_KEY_TYPE keyType,
const unsigned char* data, unsigned dataLength,
unsigned char* res)
{
X509 * x509 = d2i_X509(0, &RSAKey, RSAKeyLength);
if (!x509)
EXCEPTION(gourou::CLIENT_INVALID_CERTIFICATE, "Invalid certificate");
EVP_PKEY * evpKey = X509_get_pubkey(x509);
RSA* rsa = EVP_PKEY_get1_RSA(evpKey);
EVP_PKEY_free(evpKey);
if (!rsa)
EXCEPTION(gourou::CLIENT_NO_PRIV_KEY, "No private key in certificate");
int ret = RSA_public_encrypt(dataLength, data, res, rsa, RSA_PKCS1_PADDING);
if (ret < 0)
EXCEPTION(gourou::CLIENT_RSA_ERROR, ERR_error_string(ERR_get_error(), NULL));
}
void* DRMProcessorClientImpl::generateRSAKey(int keyLengthBits)
{
BIGNUM * bn = BN_new();
RSA * rsa = RSA_new();
BN_set_word(bn, 0x10001);
RSA_generate_key_ex(rsa, keyLengthBits, bn, 0);
BN_free(bn);
return rsa;
}
void DRMProcessorClientImpl::destroyRSAHandler(void* handler)
{
RSA_free((RSA*)handler);
}
void DRMProcessorClientImpl::extractRSAPublicKey(void* handler, unsigned char** keyOut, unsigned int* keyOutLength)
{
EVP_PKEY * evpKey = EVP_PKEY_new();
EVP_PKEY_set1_RSA(evpKey, (RSA*)handler);
X509_PUBKEY *x509_pubkey = 0;
X509_PUBKEY_set(&x509_pubkey, evpKey);
*keyOutLength = i2d_X509_PUBKEY(x509_pubkey, keyOut);
X509_PUBKEY_free(x509_pubkey);
EVP_PKEY_free(evpKey);
}
void DRMProcessorClientImpl::extractRSAPrivateKey(void* handler, unsigned char** keyOut, unsigned int* keyOutLength)
{
EVP_PKEY * evpKey = EVP_PKEY_new();
EVP_PKEY_set1_RSA(evpKey, (RSA*)handler);
PKCS8_PRIV_KEY_INFO * privKey = EVP_PKEY2PKCS8(evpKey);
*keyOutLength = i2d_PKCS8_PRIV_KEY_INFO(privKey, keyOut);
PKCS8_PRIV_KEY_INFO_free(privKey);
EVP_PKEY_free(evpKey);
}
/* Crypto interface */
void DRMProcessorClientImpl::AESEncrypt(CHAINING_MODE chaining,
const unsigned char* key, unsigned int keyLength,
const unsigned char* iv, unsigned int ivLength,
const unsigned char* dataIn, unsigned int dataInLength,
unsigned char* dataOut, unsigned int* dataOutLength)
{
void* handler = AESEncryptInit(chaining, key, keyLength, iv, ivLength);
AESEncryptUpdate(handler, dataIn, dataInLength, dataOut, dataOutLength);
AESEncryptFinalize(handler, dataOut+*dataOutLength, dataOutLength);
}
void* DRMProcessorClientImpl::AESEncryptInit(CHAINING_MODE chaining,
const unsigned char* key, unsigned int keyLength,
const unsigned char* iv, unsigned int ivLength)
{
EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
switch(keyLength)
{
case 16:
switch(chaining)
{
case CHAIN_ECB:
EVP_EncryptInit_ex(ctx, EVP_aes_128_ecb(), NULL, key, iv);
break;
case CHAIN_CBC:
EVP_EncryptInit_ex(ctx, EVP_aes_128_cbc(), NULL, key, iv);
break;
default:
EXCEPTION(gourou::CLIENT_BAD_CHAINING, "Unknown chaining mode " << chaining);
break;
}
default:
EVP_CIPHER_CTX_free(ctx);
EXCEPTION(gourou::CLIENT_BAD_KEY_SIZE, "Invalid key size " << keyLength);
}
return ctx;
}
void* DRMProcessorClientImpl::AESDecryptInit(CHAINING_MODE chaining,
const unsigned char* key, unsigned int keyLength,
const unsigned char* iv, unsigned int ivLength)
{
EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
switch(keyLength)
{
case 16:
switch(chaining)
{
case CHAIN_ECB:
EVP_DecryptInit_ex(ctx, EVP_aes_128_ecb(), NULL, key, iv);
break;
case CHAIN_CBC:
EVP_DecryptInit_ex(ctx, EVP_aes_128_cbc(), NULL, key, iv);
break;
default:
EXCEPTION(gourou::CLIENT_BAD_CHAINING, "Unknown chaining mode " << chaining);
}
break;
default:
EVP_CIPHER_CTX_free(ctx);
EXCEPTION(gourou::CLIENT_BAD_KEY_SIZE, "Invalid key size " << keyLength);
}
return ctx;
}
void DRMProcessorClientImpl::AESEncryptUpdate(void* handler, const unsigned char* dataIn, unsigned int dataInLength,
unsigned char* dataOut, unsigned int* dataOutLength)
{
EVP_EncryptUpdate((EVP_CIPHER_CTX*)handler, dataOut, (int*)dataOutLength, dataIn, dataInLength);
}
void DRMProcessorClientImpl::AESEncryptFinalize(void* handler,
unsigned char* dataOut, unsigned int* dataOutLength)
{
int len;
EVP_EncryptFinal_ex((EVP_CIPHER_CTX*)handler, dataOut, &len);
*dataOutLength += len;
EVP_CIPHER_CTX_free((EVP_CIPHER_CTX*)handler);
}
void DRMProcessorClientImpl::AESDecrypt(CHAINING_MODE chaining,
const unsigned char* key, unsigned int keyLength,
const unsigned char* iv, unsigned int ivLength,
const unsigned char* dataIn, unsigned int dataInLength,
unsigned char* dataOut, unsigned int* dataOutLength)
{
void* handler = AESDecryptInit(chaining, key, keyLength, iv, ivLength);
AESDecryptUpdate(handler, dataIn, dataInLength, dataOut, dataOutLength);
AESDecryptFinalize(handler, dataOut+*dataOutLength, dataOutLength);
}
void DRMProcessorClientImpl::AESDecryptUpdate(void* handler, const unsigned char* dataIn, unsigned int dataInLength,
unsigned char* dataOut, unsigned int* dataOutLength)
{
EVP_DecryptUpdate((EVP_CIPHER_CTX*)handler, dataOut, (int*)dataOutLength, dataIn, dataInLength);
}
void DRMProcessorClientImpl::AESDecryptFinalize(void* handler, unsigned char* dataOut, unsigned int* dataOutLength)
{
int len;
EVP_DecryptFinal_ex((EVP_CIPHER_CTX*)handler, dataOut, &len);
*dataOutLength += len;
EVP_CIPHER_CTX_free((EVP_CIPHER_CTX*)handler);
}
void* DRMProcessorClientImpl::zipOpen(const std::string& path)
{
zip_t* handler = zip_open(path.c_str(), 0, 0);
if (!handler)
EXCEPTION(gourou::CLIENT_BAD_ZIP_FILE, "Invalid zip file " << path);
return handler;
}
std::string DRMProcessorClientImpl::zipReadFile(void* handler, const std::string& path)
{
std::string res;
unsigned char* buffer;
zip_stat_t sb;
if (zip_stat((zip_t *)handler, path.c_str(), 0, &sb) < 0)
EXCEPTION(gourou::CLIENT_ZIP_ERROR, "Zip error " << zip_strerror((zip_t *)handler));
if (!(sb.valid & (ZIP_STAT_INDEX|ZIP_STAT_SIZE)))
EXCEPTION(gourou::CLIENT_ZIP_ERROR, "Required fields missing");
buffer = new unsigned char[sb.size];
zip_file_t *f = zip_fopen_index((zip_t *)handler, sb.index, ZIP_FL_COMPRESSED);
zip_fread(f, buffer, sb.size);
zip_fclose(f);
res = std::string((char*)buffer, sb.size);
delete[] buffer;
return res;
}
void DRMProcessorClientImpl::zipWriteFile(void* handler, const std::string& path, const std::string& content)
{
zip_source_t* s = zip_source_buffer((zip_t*)handler, content.c_str(), content.length(), 0);
if (zip_file_add((zip_t*)handler, path.c_str(), s, ZIP_FL_OVERWRITE|ZIP_FL_ENC_UTF_8) < 0)
{
zip_source_free(s);
EXCEPTION(gourou::CLIENT_ZIP_ERROR, "Zip error " << zip_strerror((zip_t *)handler));
}
}
void DRMProcessorClientImpl::zipDeleteFile(void* handler, const std::string& path)
{
zip_int64_t idx = zip_name_locate((zip_t*)handler, path.c_str(), 0);
if (idx < 0)
EXCEPTION(gourou::CLIENT_ZIP_ERROR, "No such file " << path.c_str());
if (zip_delete((zip_t*)handler, idx))
EXCEPTION(gourou::CLIENT_ZIP_ERROR, "Zip error " << zip_strerror((zip_t *)handler));
}
void DRMProcessorClientImpl::zipClose(void* handler)
{
zip_close((zip_t*)handler);
}

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/*
Copyright (c) 2021, Grégory Soutadé
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DRMPROCESSORCLIENTIMPL_H_
#define _DRMPROCESSORCLIENTIMPL_H_
#include <string>
#include <drmprocessorclient.h>
class DRMProcessorClientImpl : public gourou::DRMProcessorClient
{
public:
/* Digest interface */
virtual void* createDigest(const std::string& digestName);
virtual int digestUpdate(void* handler, unsigned char* data, unsigned int length);
virtual int digestFinalize(void* handler,unsigned char* digestOut);
virtual int digest(const std::string& digestName, unsigned char* data, unsigned int length, unsigned char* digestOut);
/* Random interface */
virtual void randBytes(unsigned char* bytesOut, unsigned int length);
/* HTTP interface */
virtual std::string sendHTTPRequest(const std::string& URL, const std::string& POSTData=std::string(""), const std::string& contentType=std::string(""));
virtual void RSAPrivateEncrypt(const unsigned char* RSAKey, unsigned int RSAKeyLength,
const RSA_KEY_TYPE keyType, const std::string& password,
const unsigned char* data, unsigned dataLength,
unsigned char* res);
virtual void RSAPublicEncrypt(const unsigned char* RSAKey, unsigned int RSAKeyLength,
const RSA_KEY_TYPE keyType,
const unsigned char* data, unsigned dataLength,
unsigned char* res);
virtual void* generateRSAKey(int keyLengthBits);
virtual void destroyRSAHandler(void* handler);
virtual void extractRSAPublicKey(void* RSAKeyHandler, unsigned char** keyOut, unsigned int* keyOutLength);
virtual void extractRSAPrivateKey(void* RSAKeyHandler, unsigned char** keyOut, unsigned int* keyOutLength);
/* Crypto interface */
virtual void AESEncrypt(CHAINING_MODE chaining,
const unsigned char* key, unsigned int keyLength,
const unsigned char* iv, unsigned int ivLength,
const unsigned char* dataIn, unsigned int dataInLength,
unsigned char* dataOut, unsigned int* dataOutLength);
virtual void* AESEncryptInit(CHAINING_MODE chaining,
const unsigned char* key, unsigned int keyLength,
const unsigned char* iv=0, unsigned int ivLength=0);
virtual void AESEncryptUpdate(void* handler, const unsigned char* dataIn, unsigned int dataInLength,
unsigned char* dataOut, unsigned int* dataOutLength);
virtual void AESEncryptFinalize(void* handler, unsigned char* dataOut, unsigned int* dataOutLength);
virtual void AESDecrypt(CHAINING_MODE chaining,
const unsigned char* key, unsigned int keyLength,
const unsigned char* iv, unsigned int ivLength,
const unsigned char* dataIn, unsigned int dataInLength,
unsigned char* dataOut, unsigned int* dataOutLength);
virtual void* AESDecryptInit(CHAINING_MODE chaining,
const unsigned char* key, unsigned int keyLength,
const unsigned char* iv=0, unsigned int ivLength=0);
virtual void AESDecryptUpdate(void* handler, const unsigned char* dataIn, unsigned int dataInLength,
unsigned char* dataOut, unsigned int* dataOutLength);
virtual void AESDecryptFinalize(void* handler, unsigned char* dataOut, unsigned int* dataOutLength);
/* ZIP Interface */
virtual void* zipOpen(const std::string& path);
virtual std::string zipReadFile(void* handler, const std::string& path);
virtual void zipWriteFile(void* handler, const std::string& path, const std::string& content);
virtual void zipDeleteFile(void* handler, const std::string& path);
virtual void zipClose(void* handler);
};
#endif