diff options
| -rw-r--r-- | Makefile.linux | 7 | ||||
| -rw-r--r-- | Makefile.mac | 5 | ||||
| -rw-r--r-- | file2lz4c.cpp | 81 |
3 files changed, 91 insertions, 2 deletions
diff --git a/Makefile.linux b/Makefile.linux index 8035a881..f13d3bfc 100644 --- a/Makefile.linux +++ b/Makefile.linux @@ -39,5 +39,10 @@ idtool: $(OBJS) $(CXX) $(CXXFLAGS) -o zerotier-idtool idtool.cpp $(OBJS) $(LIBS) $(STRIP) zerotier-idtool +file2lz4c: ext/lz4/lz4hc.o FORCE + $(CXX) $(CXXFLAGS) -o file2lz4c file2lz4c.cpp node/Utils.cpp node/Salsa20.cpp ext/lz4/lz4hc.o + clean: - rm -f $(OBJS) zerotier-* + rm -f $(OBJS) file2lz4c zerotier-* + +FORCE: diff --git a/Makefile.mac b/Makefile.mac index b7302c11..98062402 100644 --- a/Makefile.mac +++ b/Makefile.mac @@ -41,8 +41,11 @@ install-mac-tap: FORCE cp -R ext/bin/tap-mac//tap.kext /Library/Application\ Support/ZeroTier/One chown -R root:wheel /Library/Application\ Support/ZeroTier/One/tap.kext +file2lz4c: ext/lz4/lz4hc.o FORCE + $(CXX) $(CXXFLAGS) -o file2lz4c file2lz4c.cpp node/Utils.cpp node/Salsa20.cpp ext/lz4/lz4hc.o + clean: rm -rf *.dSYM - rm -f $(OBJS) zerotier-* + rm -f $(OBJS) file2lz4c zerotier-* FORCE: diff --git a/file2lz4c.cpp b/file2lz4c.cpp new file mode 100644 index 00000000..7715ba87 --- /dev/null +++ b/file2lz4c.cpp @@ -0,0 +1,81 @@ +/* + * ZeroTier One - Global Peer to Peer Ethernet + * Copyright (C) 2012-2013 ZeroTier Networks LLC + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * -- + * + * ZeroTier may be used and distributed under the terms of the GPLv3, which + * are available at: http://www.gnu.org/licenses/gpl-3.0.html + * + * If you would like to embed ZeroTier into a commercial application or + * redistribute it in a modified binary form, please contact ZeroTier Networks + * LLC. Start here: http://www.zerotier.com/ + */ + +/* Converts files to LZ4-compressed C arrays, used in building installers. */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <stdint.h> +#include <iostream> + +#include "node/Utils.hpp" + +#include "ext/lz4/lz4.h" +#include "ext/lz4/lz4hc.h" + +using namespace ZeroTier; + +int main(int argc,char **argv) +{ + char tmp[16]; + + if (argc != 3) { + std::cerr << "Usage: " << argv[0] << " <file> <name of C array>" << std::endl; + return -1; + } + + std::string buf; + if (!Utils::readFile(argv[1],buf)) { + std::cerr << "Could not read " << argv[1] << std::endl; + return -1; + } + + unsigned char *compbuf = new unsigned char[LZ4_compressBound((int)buf.length())]; + int complen = LZ4_compressHC(buf.data(),(char *)compbuf,(int)buf.length()); + + if (complen <= 0) { + std::cerr << "Error compressing data." << std::endl; + return -1; + } + + std::cout << "#define " << argv[2] << "_UNCOMPRESSED_LEN " << buf.length() << std::endl; + std::cout << "#define " << argv[2] << "_LZ4_LEN " << complen << std::endl; + std::cout << "static const unsigned char " << argv[2] << '[' << argv[2] << "_LZ4_LEN] = {"; + for(int i=0;i<complen;++i) { + if (!(i % 15)) + std::cout << std::endl << '\t'; + Utils::snprintf(tmp,sizeof(tmp),"%.2x",(unsigned int)compbuf[i]); + std::cout << "0x" << tmp; + if (i != (complen - 1)) + std::cout << ','; + } + std::cout << std::endl << "};" << std::endl; + + delete [] compbuf; + return 0; +} |