lokinet/daemon/rcutil.cpp
2018-08-31 08:46:54 -04:00

394 lines
9.8 KiB
C++

#include <getopt.h>
#include <llarp.h>
#include <signal.h>
#include "logger.hpp"
#include <llarp/router_contact.hpp>
#include <llarp/time.h>
#include <fstream>
#include "buffer.hpp"
#include "crypto.hpp"
#include "fs.hpp"
#include "llarp/net.hpp"
#include "router.hpp"
struct llarp_main *ctx = 0;
llarp_main *sllarp = nullptr;
void
handle_signal(int sig)
{
if(ctx)
llarp_main_signal(ctx, sig);
}
#ifndef TESTNET
#define TESTNET 0
#endif
void
displayRC(const llarp::RouterContact &rc)
{
std::cout << rc.pubkey << std::endl;
for(const auto &addr : rc.addrs)
{
std::cout << "AddressInfo: " << addr << std::endl;
}
}
// fwd declr
struct check_online_request;
/*
void
HandleDHTLocate(llarp_router_lookup_job *job)
{
llarp::LogInfo("DHT result: ", job->found ? "found" : "not found");
if(job->found)
{
// save to nodedb?
displayRC(&job->result);
}
// shutdown router
// well because we're in the gotroutermessage, we can't sigint because we'll
// deadlock because we're session locked
// llarp_main_signal(ctx, SIGINT);
// llarp_timer_run(logic->timer, logic->thread);
// we'll we don't want logic thread
// but we want to switch back to the main thread
// llarp_logic_stop();
// still need to exit this logic thread...
llarp_main_abort(ctx);
}
*/
int
main(int argc, char *argv[])
{
// take -c to set location of daemon.ini
// take -o to set log level
// --generate-blank /path/to/file.signed
// --update-ifs /path/to/file.signed
// --key /path/to/long_term_identity.key
// --import
// --export
// --generate /path/to/file.signed
// --update /path/to/file.signed
// --verify /path/to/file.signed
// printf("has [%d]options\n", argc);
if(argc < 2)
{
printf(
"please specify: \n"
"--generate with a path to a router contact file\n"
"--update with a path to a router contact file\n"
"--list path to nodedb skiplist\n"
"--import with a path to a router contact file\n"
"--export a hex formatted public key\n"
"--locate a hex formatted public key"
"--localInfo \n"
"--read with a path to a router contact file\n"
"--verify with a path to a router contact file\n"
"\n");
return 0;
}
bool genMode = false;
bool updMode = false;
bool listMode = false;
bool importMode = false;
bool exportMode = false;
bool locateMode = false;
bool localMode = false;
bool verifyMode = false;
bool readMode = false;
int c;
char *conffname;
char defaultConfName[] = "daemon.ini";
conffname = defaultConfName;
char *rcfname = nullptr;
char *nodesdir = nullptr;
llarp::RouterContact rc;
while(1)
{
static struct option long_options[] = {
{"file", required_argument, 0, 'f'},
{"config", required_argument, 0, 'c'},
{"logLevel", required_argument, 0, 'o'},
{"generate", required_argument, 0, 'g'},
{"update", required_argument, 0, 'u'},
{"list", required_argument, 0, 'l'},
{"import", required_argument, 0, 'i'},
{"export", required_argument, 0, 'e'},
{"locate", required_argument, 0, 'q'},
{"localInfo", no_argument, 0, 'n'},
{"read", required_argument, 0, 'r'},
{"verify", required_argument, 0, 'V'},
{0, 0, 0, 0}};
int option_index = 0;
c = getopt_long(argc, argv, "f:c:o:g:lu:i:e:q:nr:V:", long_options,
&option_index);
#define MIN(X, Y) (((X) < (Y)) ? (X) : (Y))
if(c == -1)
break;
switch(c)
{
case 0:
break;
case 'c':
conffname = optarg;
break;
case 'o':
if(strncmp(optarg, "debug",
MIN(strlen(optarg), static_cast< unsigned long >(5)))
== 0)
{
llarp::SetLogLevel(llarp::eLogDebug);
}
else if(strncmp(optarg, "info",
MIN(strlen(optarg), static_cast< unsigned long >(4)))
== 0)
{
llarp::SetLogLevel(llarp::eLogInfo);
}
else if(strncmp(optarg, "warn",
MIN(strlen(optarg), static_cast< unsigned long >(4)))
== 0)
{
llarp::SetLogLevel(llarp::eLogWarn);
}
else if(strncmp(optarg, "error",
MIN(strlen(optarg), static_cast< unsigned long >(5)))
== 0)
{
llarp::SetLogLevel(llarp::eLogError);
}
break;
case 'V':
rcfname = optarg;
verifyMode = true;
break;
case 'f':
rcfname = optarg;
break;
case 'l':
nodesdir = optarg;
listMode = true;
break;
case 'i':
// printf ("option -g with value `%s'\n", optarg);
nodesdir = optarg;
importMode = true;
break;
case 'e':
// printf ("option -g with value `%s'\n", optarg);
rcfname = optarg;
exportMode = true;
break;
case 'q':
// printf ("option -g with value `%s'\n", optarg);
rcfname = optarg;
locateMode = true;
break;
case 'g':
// printf ("option -g with value `%s'\n", optarg);
rcfname = optarg;
genMode = true;
break;
case 'u':
// printf ("option -u with value `%s'\n", optarg);
rcfname = optarg;
updMode = true;
break;
case 'n':
localMode = true;
break;
case 'r':
rcfname = optarg;
readMode = true;
break;
default:
printf("Bad option: %c\n", c);
return -1;
}
}
#undef MIN
if(verifyMode)
{
llarp_crypto crypto;
llarp_crypto_libsodium_init(&crypto);
if(!rc.Read(rcfname))
{
std::cout << "failed to read " << rcfname << std::endl;
return 1;
}
if(!rc.VerifySignature(&crypto))
{
std::cout << rcfname << " has invalid signature" << std::endl;
return 1;
}
if(!rc.IsPublicRouter())
{
std::cout << rcfname << " is not a public router";
if(rc.addrs.size() == 0)
{
std::cout << " because it has no public addresses";
}
std::cout << std::endl;
return 1;
}
std::cout << "router identity and dht routing key: " << rc.pubkey
<< std::endl;
std::cout << "router encryption key: " << rc.enckey << std::endl;
if(rc.HasNick())
std::cout << "router nickname: " << rc.Nick() << std::endl;
std::cout << "advertised addresses: " << std::endl;
for(const auto &addr : rc.addrs)
{
std::cout << addr << std::endl;
}
std::cout << std::endl;
std::cout << "advertised exits: ";
if(rc.exits.size())
{
for(const auto &exit : rc.exits)
{
std::cout << exit << std::endl;
}
}
else
{
std::cout << "none";
}
std::cout << std::endl;
return 0;
}
if(listMode)
{
llarp_crypto crypto;
llarp_crypto_libsodium_init(&crypto);
auto nodedb = llarp_nodedb_new(&crypto);
llarp_nodedb_iter itr;
itr.visit = [](llarp_nodedb_iter *i) -> bool {
std::cout << i->rc->pubkey << std::endl;
return true;
};
if(llarp_nodedb_load_dir(nodedb, nodesdir) > 0)
llarp_nodedb_iterate_all(nodedb, itr);
llarp_nodedb_free(&nodedb);
return 0;
}
if(importMode)
{
if(rcfname == nullptr)
{
std::cout << "no file to import" << std::endl;
return 1;
}
llarp_crypto crypto;
llarp_crypto_libsodium_init(&crypto);
auto nodedb = llarp_nodedb_new(&crypto);
if(!llarp_nodedb_ensure_dir(nodesdir))
{
std::cout << "failed to ensure " << nodesdir << strerror(errno)
<< std::endl;
return 1;
}
llarp_nodedb_set_dir(nodedb, nodesdir);
if(!rc.Read(rcfname))
{
std::cout << "failed to read " << rcfname << " " << strerror(errno)
<< std::endl;
return 1;
}
if(!rc.VerifySignature(&crypto))
{
std::cout << rcfname << " has invalid signature" << std::endl;
return 1;
}
if(!llarp_nodedb_put_rc(nodedb, rc))
{
std::cout << "failed to store " << strerror(errno) << std::endl;
return 1;
}
std::cout << "imported " << rc.pubkey << std::endl;
return 0;
}
if(!genMode && !updMode && !listMode && !importMode && !exportMode
&& !locateMode && !localMode && !readMode)
{
llarp::LogError(
"I don't know what to do, no generate or update parameter\n");
return 0;
}
ctx = llarp_main_init(conffname, !TESTNET);
if(!ctx)
{
llarp::LogError("Cant set up context");
return 0;
}
signal(SIGINT, handle_signal);
if(genMode)
{
printf("Creating [%s]\n", rcfname);
// if we zero it out then
// set updated timestamp
rc.last_updated = llarp_time_now_ms();
// load longterm identity
llarp_crypto crypt;
llarp_crypto_libsodium_init(&crypt);
// which is in daemon.ini config: router.encryption-privkey (defaults
// "encryption.key")
fs::path encryption_keyfile = "encryption.key";
llarp::SecretKey encryption;
llarp_findOrCreateEncryption(&crypt, encryption_keyfile.string().c_str(),
encryption);
rc.enckey = llarp::seckey_topublic(encryption);
// get identity public sig key
fs::path ident_keyfile = "identity.key";
llarp::SecretKey identity;
llarp_findOrCreateIdentity(&crypt, ident_keyfile.string().c_str(),
identity);
rc.pubkey = llarp::seckey_topublic(identity);
// this causes a segfault
if(!rc.Sign(&crypt, identity))
{
std::cout << "failed to sign" << std::endl;
return 1;
}
// set filename
fs::path our_rc_file = rcfname;
// write file
rc.Write(our_rc_file.string().c_str());
}
{
if(rc.Read(rcfname))
displayRC(rc);
}
return 0; // success
}