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#include "affinity.hh" // FIXME
#include "command.hh"
#include "progress-bar.hh"
#include "shared.hh"
#include "store-api.hh"
#include "sync.hh"
#include "thread-pool.hh"
#include <atomic>
using namespace nix;
struct MixVerify : virtual Args
{
bool noContents = false;
bool noTrust = false;
Strings substituterUris;
size_t sigsNeeded;
MixVerify()
{
mkFlag(0, "no-contents", "do not verify the contents of each store path", &noContents);
mkFlag(0, "no-trust", "do not verify whether each store path is trusted", &noTrust);
mkFlag('s', "substituter", {"store-uri"}, "use signatures from specified store", 1,
[&](Strings ss) { substituterUris.push_back(ss.front()); });
mkIntFlag('n', "sigs-needed", "require that each path has at least N valid signatures", &sigsNeeded);
}
void verifyPaths(ref<Store> store, const Paths & storePaths)
{
restoreAffinity(); // FIXME
std::vector<ref<Store>> substituters;
for (auto & s : substituterUris)
substituters.push_back(openStoreAt(s));
auto publicKeys = getDefaultPublicKeys();
std::atomic<size_t> untrusted{0};
std::atomic<size_t> corrupted{0};
std::atomic<size_t> done{0};
std::atomic<size_t> failed{0};
ProgressBar progressBar;
auto showProgress = [&](bool final) {
std::string s;
if (final)
s = (format("checked %d paths") % storePaths.size()).str();
else
s = (format("[%d/%d checked") % done % storePaths.size()).str();
if (corrupted > 0)
s += (format(", %d corrupted") % corrupted).str();
if (untrusted > 0)
s += (format(", %d untrusted") % untrusted).str();
if (failed > 0)
s += (format(", %d failed") % failed).str();
if (!final) s += "]";
return s;
};
progressBar.updateStatus(showProgress(false));
ThreadPool pool;
auto doPath = [&](const Path & storePath) {
try {
checkInterrupt();
auto activity(progressBar.startActivity(format("checking ‘%s’") % storePath));
auto info = store->queryPathInfo(storePath);
if (!noContents) {
HashSink sink(info.narHash.type);
store->narFromPath(storePath, sink);
auto hash = sink.finish();
if (hash.first != info.narHash) {
corrupted = 1;
printMsg(lvlError,
format("path ‘%s’ was modified! expected hash ‘%s’, got ‘%s’")
% storePath % printHash(info.narHash) % printHash(hash.first));
}
}
if (!noTrust) {
bool good = false;
if (info.ultimate && !sigsNeeded)
good = true;
else {
StringSet sigsSeen;
size_t actualSigsNeeded = sigsNeeded ? sigsNeeded : 1;
size_t validSigs = 0;
auto doSigs = [&](StringSet sigs) {
for (auto sig : sigs) {
if (sigsSeen.count(sig)) continue;
sigsSeen.insert(sig);
if (info.checkSignature(publicKeys, sig))
validSigs++;
}
};
doSigs(info.sigs);
for (auto & store2 : substituters) {
if (validSigs >= actualSigsNeeded) break;
try {
if (!store2->isValidPath(storePath)) continue;
doSigs(store2->queryPathInfo(storePath).sigs);
} catch (Error & e) {
printMsg(lvlError, format(ANSI_RED "error:" ANSI_NORMAL " %s") % e.what());
}
}
if (validSigs >= actualSigsNeeded)
good = true;
}
if (!good) {
untrusted++;
printMsg(lvlError, format("path ‘%s’ is untrusted") % storePath);
}
}
done++;
progressBar.updateStatus(showProgress(false));
} catch (Error & e) {
printMsg(lvlError, format(ANSI_RED "error:" ANSI_NORMAL " %s") % e.what());
failed++;
}
};
for (auto & storePath : storePaths)
pool.enqueue(std::bind(doPath, storePath));
pool.process();
progressBar.done();
printMsg(lvlInfo, showProgress(true));
throw Exit(
(corrupted ? 1 : 0) |
(untrusted ? 2 : 0) |
(failed ? 4 : 0));
}
};
struct CmdVerifyPaths : StorePathsCommand, MixVerify
{
CmdVerifyPaths()
{
}
std::string name() override
{
return "verify-paths";
}
std::string description() override
{
return "verify the integrity of store paths";
}
void run(ref<Store> store, Paths storePaths) override
{
verifyPaths(store, storePaths);
}
};
static RegisterCommand r1(make_ref<CmdVerifyPaths>());
struct CmdVerifyStore : StoreCommand, MixVerify
{
CmdVerifyStore()
{
}
std::string name() override
{
return "verify-store";
}
std::string description() override
{
return "verify the integrity of all paths in the Nix store";
}
void run(ref<Store> store) override
{
// FIXME: use store->verifyStore()?
PathSet validPaths = store->queryAllValidPaths();
verifyPaths(store, Paths(validPaths.begin(), validPaths.end()));
}
};
static RegisterCommand r2(make_ref<CmdVerifyStore>());
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