175 lines
4.0 KiB
C++
175 lines
4.0 KiB
C++
/*
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U2FDevice - A program to allow Raspberry Pi Zeros to act as U2F tokens
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Copyright (C) 2018 Michael Kuc
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "Streams.hpp"
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#include <iostream>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <cstdio>
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#include <unistd.h>
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using namespace std;
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FILE* initHTML(FILE *fPtr, const string &title);
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void closeHTML(FILE *fPtr);
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shared_ptr<int> getHostDescriptor()
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{
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static shared_ptr<int> descriptor{};
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descriptor.reset(new int{ open("/dev/hidg0", O_RDWR | O_NONBLOCK | O_APPEND) }, [](int* fd){
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close(*fd);
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delete fd;
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});
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if (*descriptor == -1)
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throw runtime_error{ "Descriptor is unavailable" };
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return descriptor;
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}
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shared_ptr<FILE> getComHostStream()
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{
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static shared_ptr<FILE> stream{ fopen("/tmp/comhost.txt", "wb"), [](FILE *f){
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clog << "Closing comhost stream" << endl;
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fclose(f);
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} };
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if (!stream)
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clog << "Stream is unavailable" << endl;
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return stream;
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}
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shared_ptr<FILE> getHostPacketStream()
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{
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static shared_ptr<FILE> stream{ initHTML(fopen("/tmp/hostpackets.html", "wb"), "Host Packets"), [](FILE *f){
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clog << "Closing hostPackets stream" << endl;
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closeHTML(f);
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} };
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if (!stream)
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clog << "Stream is unavailable" << endl;
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return stream;
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}
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shared_ptr<FILE> getHostAPDUStream()
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{
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static shared_ptr<FILE> stream{ initHTML(fopen("/tmp/hostAPDU.html", "wb"), "Host APDU"), [](FILE *f){
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clog << "Closing host APDU stream" << endl;
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closeHTML(f);
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} };
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if (!stream)
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clog << "Stream is unavailable" << endl;
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return stream;
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}
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shared_ptr<FILE> getComDevStream()
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{
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static shared_ptr<FILE> stream{ fopen("/tmp/comdev.txt", "wb"), [](FILE *f){
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clog << "Closing comdev stream" << endl;
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fclose(f);
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} };
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if (!stream)
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clog << "Stream is unavailable" << endl;
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return stream;
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}
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shared_ptr<FILE> getDevPacketStream()
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{
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static shared_ptr<FILE> stream{ initHTML(fopen("/tmp/devpackets.html", "wb"), "Dev Packets"), [](FILE *f){
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clog << "Closing devPackets stream" << endl;
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closeHTML(f);
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} };
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if (!stream)
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clog << "Stream is unavailable" << endl;
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return stream;
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}
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shared_ptr<FILE> getDevAPDUStream()
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{
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static shared_ptr<FILE> stream{ initHTML(fopen("/tmp/devAPDU.html", "wb"), "Dev APDU"), [](FILE *f){
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clog << "Closing dev APDU stream" << endl;
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closeHTML(f);
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} };
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if (!stream)
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clog << "Stream is unavailable" << endl;
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return stream;
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}
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FILE* initHTML(FILE *fPtr, const string &title)
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{
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fprintf(fPtr, "<html>\n"
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"\t<head>\n"
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"\t\t<title>%s</title>\n"
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"\t\t<style>\n"
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"\t\t\ttable {\n"
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"\t\t\t\tdisplay: table;\n"
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"\t\t\t\twidth: 100%;\n"
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"\t\t\t\tborder-collapse: collapse;\n"
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"\t\t\t\tbox-sizing: border-box;\n"
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"\t\t\t}\n"
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"\n"
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"\t\t\tth.data {\n"
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"\t\t\t\ttext-align: left;\n"
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"\t\t\t}\n"
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"\n"
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"\t\t\ttd {\n"
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"\t\t\t\tfont-family: \"Courier New\", Courier, monospace;\n"
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"\t\t\t\twhite-space: pre;\n"
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"\t\t\t}\n"
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"\n"
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"\t\t\ttd.data {\n"
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"\t\t\t\toverflow: hidden;\n"
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"\t\t\t\ttext-overflow: ellipsis;\n"
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"\t\t\t\tmax-width:1px;\n"
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"\t\t\t\twidth:100%;\n"
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"\t\t\t}\n"
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"\n"
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"\t\t\ttd.data:hover {\n"
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"\t\t\t\twhite-space: pre-wrap;\n"
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"\t\t\t}\n"
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"\n"
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"\t\t\ttable, th, td {\n"
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"\t\t\t\tborder: 1px solid black;\n"
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"\t\t\t}\n"
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"\t\t</style>\n"
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"\t</head>\n"
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"\n"
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"\t<body>", title.c_str());
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return fPtr;
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}
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void closeHTML(FILE *fPtr)
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{
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fprintf(fPtr, "\t</body>\n"
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"</html>");
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fclose(fPtr);
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}
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