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authorMatthias Schiffer <matthias@gamezock.de>2009-08-29 16:19:50 +0200
committerMatthias Schiffer <matthias@gamezock.de>2009-08-29 16:19:50 +0200
commit8798ddc04b5cfe78180ca119f12486df0afb1bd0 (patch)
tree4663ce78dd58c04c23d556610bf9ea91f3927ec6 /src/modules/AuthProviderFile
parentbf56fa726e1d6ed228fde841e6312d61122174da (diff)
downloadmad-8798ddc04b5cfe78180ca119f12486df0afb1bd0.tar
mad-8798ddc04b5cfe78180ca119f12486df0afb1bd0.zip
AuthProviderFile: Auslesen von gehashten Passwörtern
Diffstat (limited to 'src/modules/AuthProviderFile')
-rw-r--r--src/modules/AuthProviderFile/AuthProviderFile.cpp87
-rw-r--r--src/modules/AuthProviderFile/AuthProviderFile.h23
2 files changed, 92 insertions, 18 deletions
diff --git a/src/modules/AuthProviderFile/AuthProviderFile.cpp b/src/modules/AuthProviderFile/AuthProviderFile.cpp
index ce575cd..f670fec 100644
--- a/src/modules/AuthProviderFile/AuthProviderFile.cpp
+++ b/src/modules/AuthProviderFile/AuthProviderFile.cpp
@@ -18,8 +18,11 @@
*/
#include "AuthProviderFile.h"
+
#include <Core/ConfigEntry.h>
+#include <Common/Hash.h>
+#include <cstdio>
#include <fstream>
#include <boost/regex.hpp>
@@ -50,8 +53,31 @@ void AuthProviderFile::readFile(const std::string &name) {
continue;
}
+ std::string password = match[2].str();
+
+ if(filehash.empty()) {
+ userMap.insert(std::make_pair(match[1].str(), std::vector<boost::uint8_t>(password.begin(), password.end())));
+ }
+ else {
+ std::vector<boost::uint8_t> data;
+ data.reserve(password.size()/2);
+
+ for(size_t c = 0; c < password.size()-1; c += 2) {
+ char buffer[3] = {password[c], password[c+1], 0};
+ unsigned char byte;
- userMap.insert(std::make_pair(match[1].str(), match[2].str()));
+ if(std::sscanf(buffer, "%hhx", &byte) != 1) {
+ application->logf(Core::LoggerBase::LOG_WARNING, "AuthProviderFile: Malformed hash in file '%s'.", name.c_str());
+ data.clear();
+ break;
+ }
+
+ data.push_back(byte);
+ }
+
+ if(!data.empty())
+ userMap.insert(std::make_pair(match[1].str(), data));
+ }
}
}
@@ -62,9 +88,17 @@ bool AuthProviderFile::handleConfigEntry(const Core::ConfigEntry &entry, bool /*
if(entry[1].empty())
return true;
- if(entry[1].getKey().matches("File")) {
+ if(entry[1].getKey().matches("Hash")) {
if(entry[2].empty()) {
- readFile(entry[1][0]);
+ filehash = entry[1][0];
+
+ if(!Common::Hash::isHashSupported(filehash))
+ application->logf(Core::LoggerBase::LOG_WARNING, "AuthProviderFile: Unsupported hash '%s'", filehash.c_str());
+ }
+ }
+ else if(entry[1].getKey().matches("File")) {
+ if(entry[2].empty()) {
+ files.push_back(entry[1][0]);
}
}
else if(!entry[2].empty())
@@ -73,6 +107,53 @@ bool AuthProviderFile::handleConfigEntry(const Core::ConfigEntry &entry, bool /*
return true;
}
+void AuthProviderFile::configFinished() {
+ if(filehash.empty() || boost::algorithm::to_lower_copy(filehash) == "clear") {
+ hashes = Common::Hash::getHashList();
+ filehash.clear();
+ }
+ else {
+ hashes.clear();
+ hashes.push_back(filehash);
+ }
+
+ hashes.push_back("Clear");
+
+ for(std::vector<std::string>::iterator file = files.begin(); file != files.end(); ++file)
+ readFile(*file);
+}
+
+bool AuthProviderFile::checkPassword(const std::string &user, const std::vector<boost::uint8_t> &data, const std::string &hash) throw(Core::Exception) {
+ if((hash.empty() || boost::algorithm::to_lower_copy(hash) == "clear") && !filehash.empty()) {
+ std::vector<boost::uint8_t> password = getPassword(user, filehash);
+ std::vector<boost::uint8_t> hashdata = Common::Hash::hash(data, filehash);
+
+ return (!password.empty() && hashdata.size() == password.size() && std::equal(hashdata.begin(), hashdata.end(), password.begin()));
+ }
+ else {
+ std::vector<boost::uint8_t> password = getPassword(user, hash);
+ return (!password.empty() && data.size() == password.size() && std::equal(data.begin(), data.end(), password.begin()));
+ }
+}
+
+std::vector<boost::uint8_t> AuthProviderFile::getPassword(const std::string &user, const std::string &hash) throw(Core::Exception) {
+ std::map<std::string, std::vector<boost::uint8_t> >::iterator userIt = userMap.find(user);
+ if(userIt == userMap.end())
+ return std::vector<boost::uint8_t>();
+
+ if(filehash.empty()) {
+ if(boost::algorithm::to_lower_copy(hash) == "clear")
+ return userIt->second;
+ else
+ return Common::Hash::hash(userIt->second, hash);
+ }
+ else if(boost::algorithm::to_lower_copy(filehash) == boost::algorithm::to_lower_copy(hash)) {
+ return userIt->second;
+ }
+ else
+ throw Core::Exception(Core::Exception::NOT_AVAILABLE);
+}
+
}
}
}
diff --git a/src/modules/AuthProviderFile/AuthProviderFile.h b/src/modules/AuthProviderFile/AuthProviderFile.h
index da0c8cd..99deaa0 100644
--- a/src/modules/AuthProviderFile/AuthProviderFile.h
+++ b/src/modules/AuthProviderFile/AuthProviderFile.h
@@ -24,7 +24,6 @@
#include <Common/AuthProvider.h>
#include <Common/Application.h>
-#include <Common/Hash.h>
#include <Core/Configurable.h>
#include <Core/ConfigManager.h>
@@ -39,32 +38,26 @@ class MAD_MODULE_EXPORT AuthProviderFile : public Common::AuthProvider, private
Common::Application *application;
- std::map<std::string, std::string> userMap;
+ std::map<std::string, std::vector<boost::uint8_t> > userMap;
+
+ std::vector<std::string> files;
+ std::string filehash;
std::vector<std::string> hashes;
protected:
virtual bool handleConfigEntry(const Core::ConfigEntry &entry, bool /*handled*/);
+ virtual void configFinished();
virtual const std::vector<std::string>& getHashes() const {
return hashes;
}
- virtual std::vector<boost::uint8_t> getPassword(const std::string &user, const std::string &hash) throw(Core::Exception) {
- std::map<std::string, std::string>::iterator userIt = userMap.find(user);
- if(userIt == userMap.end())
- return std::vector<boost::uint8_t>();
-
- if(hash == "Clear")
- return std::vector<boost::uint8_t>(userIt->second.begin(), userIt->second.end());
- else
- return Common::Hash::hash(std::vector<boost::uint8_t>(userIt->second.begin(), userIt->second.end()), hash);
- }
+ virtual bool checkPassword(const std::string &user, const std::vector<boost::uint8_t> &data, const std::string &hash) throw(Core::Exception);
+ virtual std::vector<boost::uint8_t> getPassword(const std::string &user, const std::string &hash) throw(Core::Exception);
public:
- AuthProviderFile(Common::Application *application0) : application(application0), hashes(Common::Hash::getHashList()) {
- hashes.push_back("Clear");
-
+ AuthProviderFile(Common::Application *application0) : application(application0) {
application->getConfigManager()->registerConfigurable(this);
}