X-Git-Url: https://www.tinc-vpn.org/git/browse?p=fides;a=blobdiff_plain;f=lib%2Futility.cc;fp=lib%2Futility.cc;h=d853ec90c28da6403a2f8ed9c7a07182a9283d94;hp=0000000000000000000000000000000000000000;hb=401e0b5e1d97ded0e2c7415c6dd0f94ee6bfb470;hpb=0f3083b8693bfaddc4bf3fd6ce7174ac06afa958

diff --git a/lib/utility.cc b/lib/utility.cc
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--- /dev/null
+++ b/lib/utility.cc
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+/* fides.cc - Light-weight, decentralised trust and authorisation management
+   Copyright (C) 2008-2009  Guus Sliepen <guus@tinc-vpn.org>
+  
+   Fides is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+  
+   Fides is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU Lesser General Public License for more details.
+  
+   You should have received a copy of the GNU Lesser General Public
+   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <iostream>
+#include <fstream>
+#include <cstdlib>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <botan/types.h>
+#include <botan/botan.h>
+#include <botan/ecdsa.h>
+#include <botan/look_pk.h>
+#include <botan/lookup.h>
+#include <botan/filters.h>
+#include <botan/sha2_32.h>
+#include <list>
+
+#include "fides.h"
+
+#ifndef FIDES_DEBUG
+#define FIDES_DEBUG false
+#endif
+
+#define debug if(FIDES_DEBUG)
+
+using namespace std;
+
+namespace fides {
+	// Base64 and hex encoding/decoding functions
+
+	/// Hexadecimal encode data.
+	//
+	/// @param in A string containing raw data.
+	/// @return A string containing the hexadecimal encoded data.
+	string hexencode(const std::string &in) {
+		Botan::Pipe pipe(new Botan::Hex_Encoder);
+		pipe.process_msg((Botan::byte *)in.data(), in.size());
+		return pipe.read_all_as_string();
+	}
+
+	/// Decode hexadecimal data.
+	//
+	/// @param in A string containing hexadecimal encoded data.
+	/// @return A string containing the raw data.
+	string hexdecode(const std::string &in) {
+		Botan::Pipe pipe(new Botan::Hex_Decoder);
+		pipe.process_msg((Botan::byte *)in.data(), in.size());
+		return pipe.read_all_as_string();
+	}
+
+	/// Base-64 encode data.
+	//
+	/// @param in A string containing raw data.
+	/// @return A string containing the base-64 encoded data.
+	string b64encode(const std::string &in) {
+		Botan::Pipe pipe(new Botan::Base64_Encoder);
+		pipe.process_msg((Botan::byte *)in.data(), in.size());
+		return pipe.read_all_as_string();
+	}
+
+	/// Decode base-64 data.
+	//
+	/// @param in A string containing base-64 encoded data.
+	/// @return A string containing the raw data.
+	string b64decode(const std::string &in) {
+		Botan::Pipe pipe(new Botan::Base64_Decoder);
+		pipe.process_msg((Botan::byte *)in.data(), in.size());
+		return pipe.read_all_as_string();
+	}
+
+	/// Return the names of all the files in a directory.
+	//
+	/// @param path Directory to search for files.
+	/// @return A vector of strings with the name of each file in the directory.
+	///         The filename does not contain the leading path.
+	vector<string> dirlist(const std::string &path) {
+		vector<string> files;
+
+		DIR *dir = opendir(path.c_str());
+		if(!dir)
+			return files;
+
+		struct dirent entry, *result = &entry;
+		
+		while(result) {
+			readdir_r(dir, &entry, &result);
+			if(!result)
+				break;
+			struct stat st;
+			if(result->d_type == DT_UNKNOWN) {
+				if(stat((path + "/" + result->d_name).c_str(), &st))
+					continue;
+				if(S_ISREG(st.st_mode))
+					files.push_back(result->d_name);
+			} else if(result->d_type == DT_REG) {
+				files.push_back(result->d_name);
+			}
+		}
+
+		closedir(dir);
+
+		return files;
+	}
+}