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/*
run-wkdlookup.cpp
This file is part of GPGME++'s test suite.
Copyright (c) 2021 g10 Code GmbH
Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
GPGME++ is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
GPGME++ 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with GPGME++; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "context.h"
#include "data.h"
#include "defaultassuantransaction.h"
#include "key.h"
#include <memory>
#include <iostream>
#include <thread>
using namespace GpgME;
static int
show_usage (int ex)
{
fputs ("usage: run-wkdlookup <email address>\n\n"
, stderr);
exit (ex);
}
int
main (int argc, char **argv)
{
int last_argc = -1;
if (argc) {
argc--; argv++;
}
while (argc && last_argc != argc ) {
last_argc = argc;
if (!strcmp (*argv, "--")) {
argc--; argv++;
break;
} else if (!strcmp (*argv, "--help")) {
show_usage (0);
} else if (!strncmp (*argv, "--", 2)) {
show_usage (1);
}
}
if (argc != 1) {
show_usage (1);
}
const std::string email{*argv};
GpgME::initializeLibrary();
Error err;
auto ctx = std::unique_ptr<Context>{Context::createForEngine(AssuanEngine, &err)};
if (!ctx) {
std::cerr << "Failed to get context (Error: " << err.asStdString() << ")\n";
return -1;
}
const std::string dirmngrSocket = GpgME::dirInfo("dirmngr-socket");
if ((err = ctx->setEngineFileName(dirmngrSocket.c_str()))) {
std::cerr << "Failed to set engine file name (Error: " << err.asStdString() << ")\n";
return -1;
}
if ((err = ctx->setEngineHomeDirectory(""))) {
std::cerr << "Failed to set engine home directory (Error: " << err.asStdString() << ")\n";
return -1;
}
// try to connect to dirmngr
err = ctx->assuanTransact("GETINFO version");
if (err && err.code() != GPG_ERR_ASS_CONNECT_FAILED) {
std::cerr << "Failed to start assuan transaction (Error: " << err.asStdString() << ")\n";
return -1;
}
if (err.code() == GPG_ERR_ASS_CONNECT_FAILED) {
std::cerr << "Starting dirmngr ...\n";
auto spawnCtx = std::unique_ptr<Context>{Context::createForEngine(SpawnEngine, &err)};
if (!spawnCtx) {
std::cerr << "Failed to get context for spawn engine (Error: " << err.asStdString() << ")\n";
return -1;
}
const auto gpgconfProgram = GpgME::dirInfo("gpgconf-name");
// replace backslashes with forward slashes in homedir to work around bug T6833
std::string homedir{GpgME::dirInfo("homedir")};
std::replace(homedir.begin(), homedir.end(), '\\', '/');
const char *argv[] = {
gpgconfProgram,
"--homedir",
homedir.c_str(),
"--launch",
"dirmngr",
NULL
};
auto ignoreIO = Data{Data::null};
err = spawnCtx->spawn(gpgconfProgram, argv,
ignoreIO, ignoreIO, ignoreIO,
Context::SpawnDetached);
if (err) {
std::cerr << "Failed to start dirmngr (Error: " << err.asStdString() << ")\n";
return -1;
}
// wait for socket to become available
int cnt = 0;
do {
++cnt;
std::cerr << "Waiting for dirmngr to start ...\n";
std::this_thread::sleep_for(std::chrono::milliseconds{250 * cnt});
err = ctx->assuanTransact("GETINFO version");
} while (err.code() == GPG_ERR_ASS_CONNECT_FAILED && cnt < 5);
}
const auto cmd = std::string{"WKD_GET "} + email;
err = ctx->assuanTransact(cmd.c_str());
if (err && err.code() != GPG_ERR_NO_NAME && err.code() != GPG_ERR_NO_DATA) {
std::cerr << "Error: WKD_GET returned " << err.asStdString() << "\n";
return -1;
}
const auto transaction = std::unique_ptr<DefaultAssuanTransaction>(dynamic_cast<DefaultAssuanTransaction*>(ctx->takeLastAssuanTransaction().release()));
const auto source = transaction->firstStatusLine("SOURCE");
const auto rawData = transaction->data();
if (rawData.size() == 0) {
std::cout << "No key found for " << email << "\n";
} else {
const auto data = GpgME::Data{rawData.c_str(), rawData.size()};
const auto keys = data.toKeys(GpgME::OpenPGP);
for (const auto &key : keys) {
std::cout << "Found key for " << email << " at " << source << ":\n" << key << "\n";
}
}
return 0;
}
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