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settings.hpp
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settings.hpp
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#ifndef SETTINGS_HPP
#define SETTINGS_HPP
template <class T>
std::ostream& operator<<(std::ostream& os, const std::vector<T>& v)
{
copy(v.begin(), v.end(), std::ostream_iterator<T>(std::cerr, " "));
return os;
}
class settings
{
public:
settings() :
ha{0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff},
port(0),
bank(0),
user(0),
msid(0),
nice(true),
olog(true),
drun(false),
sk{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
pk{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
//sn{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
//pn{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
{}
uint8_t ha[SHA256_DIGEST_LENGTH];
int port; // connecting port
std::string host; // connecting host
std::string addr; // my address
uint16_t bank; // my bank
uint32_t user; // my account
int msid; // my last message id
bool nice;
bool olog;
bool drun;
ed25519_secret_key sk;
ed25519_public_key pk; // calculated
// ed25519_secret_key sn;
// ed25519_public_key pn; // calculated
// ed25519_secret_key so;
// ed25519_public_key po; // calculated
std::string skey;
std::string pkey;
// std::string snew;
// std::string sold;
std::string hash; // my last message hash
uint32_t lastlog; // placeholder for last requested log entry
uint16_t crc16(const uint8_t* data_p, uint8_t length)
{ uint8_t x;
uint16_t crc = 0x1D0F; //differet initial checksum !!!
while(length--){
x = crc >> 8 ^ *data_p++;
x ^= x>>4;
crc = (crc << 8) ^ ((uint16_t)(x << 12)) ^ ((uint16_t)(x <<5)) ^ ((uint16_t)x);}
return crc;
}
uint16_t crc_acnt(uint16_t to_bank,uint32_t to_user)
{ uint8_t data[6];
uint8_t* bankp=(uint8_t*)&to_bank;
uint8_t* userp=(uint8_t*)&to_user;
//change endian
data[0]=bankp[1];
data[1]=bankp[0];
data[2]=userp[3];
data[3]=userp[2];
data[4]=userp[1];
data[5]=userp[0];
return(crc16(data,6));
}
bool parse_acnt(uint16_t& to_bank,uint32_t& to_user,std::string str_acnt)
{ uint16_t to_csum=0;
uint16_t to_crc16;
char *endptr;
if(str_acnt.length()!=18){
fprintf(stderr,"ERROR: parse_acnt(%s) bad length (required 18)\n",str_acnt.c_str());
return(false);}
if(str_acnt[4]!='-' || str_acnt[13]!='-'){
fprintf(stderr,"ERROR: parse_acnt(%s) bad format (required NNNN-UUUUUUUU-XXXX)\n",str_acnt.c_str());
return(false);}
str_acnt[4]='\0';
str_acnt[13]='\0';
errno=0;
to_bank=(uint16_t)strtol(str_acnt.c_str(),&endptr,16);
if(errno || endptr==str_acnt.c_str()){
fprintf(stderr,"ERROR: parse_acnt(%s) bad bank\n",str_acnt.c_str());
perror("ERROR: strtol");
return(false);}
errno=0;
to_user=(uint32_t)strtoll(str_acnt.c_str()+5,&endptr,16);
if(errno || endptr==str_acnt.c_str()+5){
fprintf(stderr,"ERROR: parse_acnt(%s) bad user\n",str_acnt.c_str());
perror("ERROR: strtol");
return(false);}
if(!strncmp("XXXX",str_acnt.c_str()+14,4)){
return(true);}
errno=0;
to_csum=(uint16_t)strtol(str_acnt.c_str()+14,&endptr,16);
if(errno || endptr==str_acnt.c_str()+14){
fprintf(stderr,"ERROR: parse_acnt(%s) bad checksum\n",str_acnt.c_str());
perror("ERROR: strtol");
return(false);}
to_crc16=crc_acnt(to_bank,to_user);
if(to_csum!=to_crc16){
fprintf(stderr,"ERROR: parse_acnt(%s) bad checksum (expected %04X)\n",str_acnt.c_str(),to_crc16);
return(false);}
return(true);
}
bool parse_txid(uint16_t& to_bank,uint32_t& node_msid,uint32_t& node_mpos,std::string str_txid)
{ char *endptr;
if(str_txid.length()!=18){
fprintf(stderr,"ERROR: parse_txid(%s) bad length (required 18)\n",str_txid.c_str());
return(false);}
if(str_txid[4]!=':' || str_txid[13]!=':'){
fprintf(stderr,"ERROR: parse_txid(%s) bad format (required NNNN:MMMMMMMM:PPPP)\n",str_txid.c_str());
return(false);}
str_txid[4]='\0';
str_txid[13]='\0';
errno=0;
to_bank=(uint16_t)strtol(str_txid.c_str(),&endptr,16);
if(errno || endptr==str_txid.c_str()){
fprintf(stderr,"ERROR: parse_txid(%s) bad bank\n",str_txid.c_str());
perror("ERROR: strtol");
return(false);}
errno=0;
node_msid=(uint32_t)strtoll(str_txid.c_str()+5,&endptr,16);
if(errno || endptr==str_txid.c_str()+5){
fprintf(stderr,"ERROR: parse_txid(%s) bad msid\n",str_txid.c_str());
perror("ERROR: strtol");
return(false);}
errno=0;
node_mpos=(uint16_t)strtol(str_txid.c_str()+14,&endptr,16);
if(errno || endptr==str_txid.c_str()+14){
fprintf(stderr,"ERROR: parse_txid(%s) bad mpos\n",str_txid.c_str());
perror("ERROR: strtol");
return(false);}
return(true);
}
void get(int ac, char *av[])
{ try{
char pktext[2*32+1]; pktext[2*32]='\0';
boost::program_options::options_description generic("Generic options");
generic.add_options()
("version,v", "print version string")
("help,h", "produce help message")
;
boost::program_options::options_description config("Configuration [command_line + config_file]");
config.add_options()
("port,P", boost::program_options::value<int>(&port)->default_value(std::atoi(OFFICE_PORT)), "node port (for clients)")
("host,H", boost::program_options::value<std::string>(&host)->default_value("127.0.0.1"), "node hostname or ip")
("address,A", boost::program_options::value<std::string>(&addr), "address (don't use with --bank, --user)")
("bank,b", boost::program_options::value<uint16_t>(&bank), "node id (don't use with --address)")
("user,u", boost::program_options::value<uint32_t>(&user), "user id (don't use with --address)")
("msid,i", boost::program_options::value<int>(&msid)->default_value(0), "last message id")
("nice,n", boost::program_options::value<bool>(&nice)->default_value(true), "request pretty json")
("olog,o", boost::program_options::value<bool>(&olog)->default_value(true), "record submitted transactions in log file")
("dry-run,d", boost::program_options::value<bool>(&drun)->default_value(false), "dry run (do not submit to network)")
("hash,x", boost::program_options::value<std::string>(&hash), "last hash [64chars in hex format / 32bytes]")
("secret,s", boost::program_options::value<std::string>(&skey), "passphrase or private key [64chars in hex format / 32bytes]")
;
boost::program_options::options_description cmdline_options;
cmdline_options.add(generic).add(config);
boost::program_options::options_description config_file_options;
config_file_options.add(config);
boost::program_options::variables_map vm;
store(boost::program_options::command_line_parser(ac, av).options(cmdline_options).run(), vm);
std::ifstream ifs("settings.cfg");
store(parse_config_file(ifs, config_file_options), vm);
notify(vm);
if(vm.count("help")){
std::cerr << "Usage: " << av[0] << " [settings]\n";
std::cerr << generic << "\n";
std::cerr << config << "\n";
exit(0);}
if(vm.count("version")){
std::cerr << "Version 1.0\n";
exit(0);}
if(vm.count("bank") || vm.count("address")){
std::string line;
if (vm.count("secret")){
line = vm["secret"].as<std::string>();
} else {
std::cerr << "ENTER passphrase or private key\n";
std::getline(std::cin,line);
boost::trim_right_if(line,boost::is_any_of(" \r\n\t"));
if(line.empty()){
std::cerr << "ERROR, failed to read passphrase\n";
exit(1);}
}
if(line.length() == 64 && line.find_first_not_of("0123456789abcdefABCDEF") == std::string::npos) {
skey = line;
ed25519_text2key(sk,skey.c_str(),32);
ed25519_publickey(sk,pk);
ed25519_key2text(pktext,pk,32);
} else {
SHA256_CTX sha256;
SHA256_Init(&sha256);
SHA256_Update(&sha256,line.c_str(),line.length());
SHA256_Final(sk,&sha256);
ed25519_publickey(sk,pk);
ed25519_key2text(pktext,pk,32);
}
std::cerr << "Public key: " << std::string(pktext) << std::endl;
}
if(vm.count("port")){
std::cerr << "Bank port: " << vm["port"].as<int>() << std::endl;}
else{
std::cerr << "ERROR: bank port missing!" << std::endl;
exit(1);}
if (vm.count("host")){
std::cerr << "Bank host: " << vm["host"].as<std::string>() << std::endl;}
else{
std::cerr << "ERROR: bank host missing!" << std::endl;
exit(1);}
if (vm.count("address")) {
if(vm.count("bank") || vm.count("user")) {
std::cerr << "ERROR: do not specify bank/user and address at the same time" << std::endl;
exit(1);
}
std::cerr << "Address: " << vm["address"].as<std::string>() << std::endl;
if(!parse_acnt(bank, user, addr)){
std::cerr << "ERROR: invalid address" << std::endl;
exit(1);
}
vm.insert(std::make_pair("bank", boost::program_options::variable_value(bank, false)));
vm.insert(std::make_pair("user", boost::program_options::variable_value(user, false)));
}
if (vm.count("bank")){
std::cerr << "Bank id: " << vm["bank"].as<uint16_t>() << std::endl;}
//else{
// std::cerr << "ERROR: bank id missing! Specify --bank or --address" << std::endl;
// exit(1);}
if (vm.count("user")){
std::cerr << "User id: " << vm["user"].as<uint32_t>() << std::endl;}
//else{
// std::cerr << "ERROR: user id missing! Specify --user or --address" << std::endl;
// exit(1);}
if (vm.count("msid")){
std::cerr << "LastMsgId: " << vm["msid"].as<int>() << std::endl;}
else{
if(vm.count("user")){
std::cerr << "WARNING: last message id missing!" << std::endl;}}
if (vm.count("nice")){
std::cerr << "PrettyOut: " << vm["nice"].as<bool>() << std::endl;}
if (vm.count("olog")){
std::cerr << "LogOutput: " << vm["olog"].as<bool>() << std::endl;}
if (vm.count("drun")){
std::cerr << "Dry Run : " << vm["drun"].as<bool>() << std::endl;}
if (vm.count("hash")){
if(hash.length()!=64){
std::cerr << "ERROR: hash wrong length (should be 64): " << vm["hash"].as<std::string>() << std::endl;
exit(1);}
ed25519_text2key(ha,hash.c_str(),32);}
else{
if(vm.count("user")){
std::cerr << "WARNING: last hash missing!" << std::endl;}}
}
catch(std::exception &e){
std::cerr << "Exception: " << e.what() << std::endl;
exit(1);
}
}
};
#endif // SETTINGS_HPP