lix/src/nix/sigs.cc

144 lines
3.8 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#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()
{
mkFlag()
.longName("substituter")
.shortName('s')
.labels({"store-uri"})
.description("use signatures from specified store")
.arity(1)
.handler([&](Strings ss) { substituterUris.push_back(ss.front()); });
}
std::string name() override
{
return "copy-sigs";
}
std::string description() override
{
return "copy path signatures from substituters (like binary caches)";
}
void run(ref<Store> store, Paths 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 & storePath) {
//Activity act(*logger, lvlInfo, format("getting signatures for %s") % storePath);
checkInterrupt();
auto info = store->queryPathInfo(storePath);
StringSet newSigs;
for (auto & store2 : substituters) {
try {
auto info2 = store2->queryPathInfo(storePath);
/* 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, storePath));
pool.process();
printInfo(format("imported %d signatures") % added);
}
};
static RegisterCommand r1(make_ref<CmdCopySigs>());
struct CmdSignPaths : StorePathsCommand
{
Path secretKeyFile;
CmdSignPaths()
{
mkFlag('k', "key-file", {"file"}, "file containing the secret signing key", &secretKeyFile);
}
std::string name() override
{
return "sign-paths";
}
std::string description() override
{
return "sign the specified paths";
}
void run(ref<Store> store, Paths 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(secretKey);
assert(!info2.sigs.empty());
if (!info->sigs.count(*info2.sigs.begin())) {
store->addSignatures(storePath, info2.sigs);
added++;
}
}
printInfo(format("added %d signatures") % added);
}
};
static RegisterCommand r3(make_ref<CmdSignPaths>());