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#include "command.hh"
#include "shared.hh"
#include "store-api.hh"
#include "thread-pool.hh"
#include <atomic>
using namespace nix;
struct CmdCopySigs : StorePathsCommand
{
Strings substituterUris;
CmdCopySigs()
{
addFlag({
.longName = "substituter",
.shortName = 's',
.description = "Copy signatures from the specified store.",
.labels = {"store-uri"},
.handler = {[&](std::string s) { substituterUris.push_back(s); }},
});
}
std::string description() override
{
return "copy store path signatures from substituters";
}
void run(ref<Store> store, StorePaths && storePaths) override
{
if (substituterUris.empty())
throw UsageError("you must specify at least one substituter using '-s'");
// FIXME: factor out commonality with MixVerify.
std::vector<ref<Store>> substituters;
for (auto & s : substituterUris)
substituters.push_back(openStore(s));
ThreadPool pool;
std::string doneLabel = "done";
std::atomic<size_t> added{0};
//logger->setExpected(doneLabel, storePaths.size());
auto doPath = [&](const Path & storePathS) {
//Activity act(*logger, lvlInfo, format("getting signatures for '%s'") % storePath);
checkInterrupt();
auto storePath = store->parseStorePath(storePathS);
auto info = store->queryPathInfo(storePath);
StringSet newSigs;
for (auto & store2 : substituters) {
try {
auto info2 = store2->queryPathInfo(info->path);
/* Don't import signatures that don't match this
binary. */
if (info->narHash != info2->narHash ||
info->narSize != info2->narSize ||
info->references != info2->references)
continue;
for (auto & sig : info2->sigs)
if (!info->sigs.count(sig))
newSigs.insert(sig);
} catch (InvalidPath &) {
}
}
if (!newSigs.empty()) {
store->addSignatures(storePath, newSigs);
added += newSigs.size();
}
//logger->incProgress(doneLabel);
};
for (auto & storePath : storePaths)
pool.enqueue(std::bind(doPath, store->printStorePath(storePath)));
pool.process();
printInfo("imported %d signatures", added);
}
};
static auto rCmdCopySigs = registerCommand2<CmdCopySigs>({"store", "copy-sigs"});
struct CmdSign : StorePathsCommand
{
Path secretKeyFile;
CmdSign()
{
addFlag({
.longName = "key-file",
.shortName = 'k',
.description = "File containing the secret signing key.",
.labels = {"file"},
.handler = {&secretKeyFile},
.completer = completePath
});
}
std::string description() override
{
return "sign store paths";
}
void run(ref<Store> store, StorePaths && storePaths) override
{
if (secretKeyFile.empty())
throw UsageError("you must specify a secret key file using '-k'");
SecretKey secretKey(readFile(secretKeyFile));
size_t added{0};
for (auto & storePath : storePaths) {
auto info = store->queryPathInfo(storePath);
auto info2(*info);
info2.sigs.clear();
info2.sign(*store, secretKey);
assert(!info2.sigs.empty());
if (!info->sigs.count(*info2.sigs.begin())) {
store->addSignatures(storePath, info2.sigs);
added++;
}
}
printInfo("added %d signatures", added);
}
};
static auto rCmdSign = registerCommand2<CmdSign>({"store", "sign"});
struct CmdKeyGenerateSecret : Command
{
std::optional<std::string> keyName;
CmdKeyGenerateSecret()
{
addFlag({
.longName = "key-name",
.description = "Identifier of the key (e.g. `cache.example.org-1`).",
.labels = {"name"},
.handler = {&keyName},
});
}
std::string description() override
{
return "generate a secret key for signing store paths";
}
std::string doc() override
{
return
#include "key-generate-secret.md"
;
}
void run() override
{
if (!keyName)
throw UsageError("required argument '--key-name' is missing");
writeFull(STDOUT_FILENO, SecretKey::generate(*keyName).to_string());
}
};
struct CmdKeyConvertSecretToPublic : Command
{
std::string description() override
{
return "generate a public key for verifying store paths from a secret key read from standard input";
}
std::string doc() override
{
return
#include "key-convert-secret-to-public.md"
;
}
void run() override
{
SecretKey secretKey(drainFD(STDIN_FILENO));
writeFull(STDOUT_FILENO, secretKey.toPublicKey().to_string());
}
};
struct CmdKey : NixMultiCommand
{
CmdKey()
: MultiCommand({
{"generate-secret", []() { return make_ref<CmdKeyGenerateSecret>(); }},
{"convert-secret-to-public", []() { return make_ref<CmdKeyConvertSecretToPublic>(); }},
})
{
}
std::string description() override
{
return "generate and convert Nix signing keys";
}
Category category() override { return catUtility; }
void run() override
{
if (!command)
throw UsageError("'nix key' requires a sub-command.");
command->second->prepare();
command->second->run();
}
};
static auto rCmdKey = registerCommand<CmdKey>("key");
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