Merge pull request #3899 from obsidiansystems/make-narHash-not-optional

Make narHash in ValidPathInfo not optional
This commit is contained in:
Eelco Dolstra 2020-08-14 17:00:18 +02:00 committed by GitHub
commit d81f13f7cb
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
24 changed files with 145 additions and 118 deletions

View file

@ -80,7 +80,7 @@ SV * queryReferences(char * path)
SV * queryPathHash(char * path) SV * queryPathHash(char * path)
PPCODE: PPCODE:
try { try {
auto s = store()->queryPathInfo(store()->parseStorePath(path))->narHash->to_string(Base32, true); auto s = store()->queryPathInfo(store()->parseStorePath(path))->narHash.to_string(Base32, true);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0))); XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) { } catch (Error & e) {
croak("%s", e.what()); croak("%s", e.what());
@ -106,7 +106,7 @@ SV * queryPathInfo(char * path, int base32)
XPUSHs(&PL_sv_undef); XPUSHs(&PL_sv_undef);
else else
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(*info->deriver).c_str(), 0))); XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(*info->deriver).c_str(), 0)));
auto s = info->narHash->to_string(base32 ? Base32 : Base16, true); auto s = info->narHash.to_string(base32 ? Base32 : Base16, true);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0))); XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
mXPUSHi(info->registrationTime); mXPUSHi(info->registrationTime);
mXPUSHi(info->narSize); mXPUSHi(info->narSize);

View file

@ -212,7 +212,7 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
: hashFile(htSHA256, path); : hashFile(htSHA256, path);
if (hash != *expectedHash) if (hash != *expectedHash)
throw Error((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n wanted: %s\n got: %s", throw Error((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n wanted: %s\n got: %s",
*url, expectedHash->to_string(Base32, true), hash->to_string(Base32, true)); *url, expectedHash->to_string(Base32, true), hash.to_string(Base32, true));
} }
if (state.allowedPaths) if (state.allowedPaths)

View file

@ -130,12 +130,12 @@ std::pair<Tree, Input> Input::fetch(ref<Store> store) const
tree.actualPath = store->toRealPath(tree.storePath); tree.actualPath = store->toRealPath(tree.storePath);
auto narHash = store->queryPathInfo(tree.storePath)->narHash; auto narHash = store->queryPathInfo(tree.storePath)->narHash;
input.attrs.insert_or_assign("narHash", narHash->to_string(SRI, true)); input.attrs.insert_or_assign("narHash", narHash.to_string(SRI, true));
if (auto prevNarHash = getNarHash()) { if (auto prevNarHash = getNarHash()) {
if (narHash != *prevNarHash) if (narHash != *prevNarHash)
throw Error((unsigned int) 102, "NAR hash mismatch in input '%s' (%s), expected '%s', got '%s'", throw Error((unsigned int) 102, "NAR hash mismatch in input '%s' (%s), expected '%s', got '%s'",
to_string(), tree.actualPath, prevNarHash->to_string(SRI, true), narHash->to_string(SRI, true)); to_string(), tree.actualPath, prevNarHash->to_string(SRI, true), narHash.to_string(SRI, true));
} }
if (auto prevLastModified = getLastModified()) { if (auto prevLastModified = getLastModified()) {

View file

@ -67,8 +67,10 @@ DownloadFileResult downloadFile(
StringSink sink; StringSink sink;
dumpString(*res.data, sink); dumpString(*res.data, sink);
auto hash = hashString(htSHA256, *res.data); auto hash = hashString(htSHA256, *res.data);
ValidPathInfo info(store->makeFixedOutputPath(FileIngestionMethod::Flat, hash, name)); ValidPathInfo info {
info.narHash = hashString(htSHA256, *sink.s); store->makeFixedOutputPath(FileIngestionMethod::Flat, hash, name),
hashString(htSHA256, *sink.s),
};
info.narSize = sink.s->size(); info.narSize = sink.s->size();
info.ca = FixedOutputHash { info.ca = FixedOutputHash {
.method = FileIngestionMethod::Flat, .method = FileIngestionMethod::Flat,

View file

@ -143,7 +143,7 @@ struct FileSource : FdSource
void BinaryCacheStore::addToStore(const ValidPathInfo & info, Source & narSource, void BinaryCacheStore::addToStore(const ValidPathInfo & info, Source & narSource,
RepairFlag repair, CheckSigsFlag checkSigs) RepairFlag repair, CheckSigsFlag checkSigs)
{ {
assert(info.narHash && info.narSize); assert(info.narSize);
if (!repair && isValidPath(info.path)) { if (!repair && isValidPath(info.path)) {
// FIXME: copyNAR -> null sink // FIXME: copyNAR -> null sink
@ -381,7 +381,10 @@ StorePath BinaryCacheStore::addToStore(const string & name, const Path & srcPath
h = hashString(hashAlgo, s); h = hashString(hashAlgo, s);
} }
ValidPathInfo info(makeFixedOutputPath(method, *h, name)); ValidPathInfo info {
makeFixedOutputPath(method, *h, name),
Hash::dummy, // Will be fixed in addToStore, which recomputes nar hash
};
auto source = StringSource { *sink.s }; auto source = StringSource { *sink.s };
addToStore(info, source, repair, CheckSigs); addToStore(info, source, repair, CheckSigs);
@ -392,7 +395,10 @@ StorePath BinaryCacheStore::addToStore(const string & name, const Path & srcPath
StorePath BinaryCacheStore::addTextToStore(const string & name, const string & s, StorePath BinaryCacheStore::addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair) const StorePathSet & references, RepairFlag repair)
{ {
ValidPathInfo info(computeStorePathForText(name, s, references)); ValidPathInfo info {
computeStorePathForText(name, s, references),
Hash::dummy, // Will be fixed in addToStore, which recomputes nar hash
};
info.references = references; info.references = references;
if (repair || !isValidPath(info.path)) { if (repair || !isValidPath(info.path)) {

View file

@ -3865,8 +3865,10 @@ void DerivationGoal::registerOutputs()
worker.markContentsGood(worker.store.parseStorePath(path)); worker.markContentsGood(worker.store.parseStorePath(path));
} }
ValidPathInfo info(worker.store.parseStorePath(path)); ValidPathInfo info {
info.narHash = hash.first; worker.store.parseStorePath(path),
hash.first,
};
info.narSize = hash.second; info.narSize = hash.second;
info.references = std::move(references); info.references = std::move(references);
info.deriver = drvPath; info.deriver = drvPath;
@ -5071,7 +5073,7 @@ bool Worker::pathContentsGood(const StorePath & path)
if (!pathExists(store.printStorePath(path))) if (!pathExists(store.printStorePath(path)))
res = false; res = false;
else { else {
HashResult current = hashPath(info->narHash->type, store.printStorePath(path)); HashResult current = hashPath(info->narHash.type, store.printStorePath(path));
Hash nullHash(htSHA256); Hash nullHash(htSHA256);
res = info->narHash == nullHash || info->narHash == current.first; res = info->narHash == nullHash || info->narHash == current.first;
} }

View file

@ -289,7 +289,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
logger->startWork(); logger->startWork();
auto hash = store->queryPathInfo(path)->narHash; auto hash = store->queryPathInfo(path)->narHash;
logger->stopWork(); logger->stopWork();
to << hash->to_string(Base16, false); to << hash.to_string(Base16, false);
break; break;
} }
@ -638,7 +638,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
if (GET_PROTOCOL_MINOR(clientVersion) >= 17) if (GET_PROTOCOL_MINOR(clientVersion) >= 17)
to << 1; to << 1;
to << (info->deriver ? store->printStorePath(*info->deriver) : "") to << (info->deriver ? store->printStorePath(*info->deriver) : "")
<< info->narHash->to_string(Base16, false); << info->narHash.to_string(Base16, false);
writeStorePaths(*store, to, info->references); writeStorePaths(*store, to, info->references);
to << info->registrationTime << info->narSize; to << info->registrationTime << info->narSize;
if (GET_PROTOCOL_MINOR(clientVersion) >= 16) { if (GET_PROTOCOL_MINOR(clientVersion) >= 16) {
@ -694,11 +694,12 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
case wopAddToStoreNar: { case wopAddToStoreNar: {
bool repair, dontCheckSigs; bool repair, dontCheckSigs;
ValidPathInfo info(store->parseStorePath(readString(from))); auto path = store->parseStorePath(readString(from));
auto deriver = readString(from); auto deriver = readString(from);
auto narHash = Hash::parseAny(readString(from), htSHA256);
ValidPathInfo info { path, narHash };
if (deriver != "") if (deriver != "")
info.deriver = store->parseStorePath(deriver); info.deriver = store->parseStorePath(deriver);
info.narHash = Hash::parseAny(readString(from), htSHA256);
info.references = readStorePaths<StorePathSet>(*store, from); info.references = readStorePaths<StorePathSet>(*store, from);
from >> info.registrationTime >> info.narSize >> info.ultimate; from >> info.registrationTime >> info.narSize >> info.ultimate;
info.sigs = readStrings<StringSet>(from); info.sigs = readStrings<StringSet>(from);

View file

@ -38,9 +38,9 @@ void Store::exportPath(const StorePath & path, Sink & sink)
filesystem corruption from spreading to other machines. filesystem corruption from spreading to other machines.
Don't complain if the stored hash is zero (unknown). */ Don't complain if the stored hash is zero (unknown). */
Hash hash = hashSink.currentHash().first; Hash hash = hashSink.currentHash().first;
if (hash != info->narHash && info->narHash != Hash(info->narHash->type)) if (hash != info->narHash && info->narHash != Hash(info->narHash.type))
throw Error("hash of path '%s' has changed from '%s' to '%s'!", throw Error("hash of path '%s' has changed from '%s' to '%s'!",
printStorePath(path), info->narHash->to_string(Base32, true), hash.to_string(Base32, true)); printStorePath(path), info->narHash.to_string(Base32, true), hash.to_string(Base32, true));
teeSink teeSink
<< exportMagic << exportMagic
@ -69,17 +69,18 @@ StorePaths Store::importPaths(Source & source, CheckSigsFlag checkSigs)
if (magic != exportMagic) if (magic != exportMagic)
throw Error("Nix archive cannot be imported; wrong format"); throw Error("Nix archive cannot be imported; wrong format");
ValidPathInfo info(parseStorePath(readString(source))); auto path = parseStorePath(readString(source));
//Activity act(*logger, lvlInfo, format("importing path '%s'") % info.path); //Activity act(*logger, lvlInfo, format("importing path '%s'") % info.path);
info.references = readStorePaths<StorePathSet>(*this, source); auto references = readStorePaths<StorePathSet>(*this, source);
auto deriver = readString(source); auto deriver = readString(source);
auto narHash = hashString(htSHA256, *saved.s);
ValidPathInfo info { path, narHash };
if (deriver != "") if (deriver != "")
info.deriver = parseStorePath(deriver); info.deriver = parseStorePath(deriver);
info.references = references;
info.narHash = hashString(htSHA256, *saved.s);
info.narSize = saved.s->size(); info.narSize = saved.s->size();
// Ignore optional legacy signature. // Ignore optional legacy signature.

View file

@ -93,6 +93,9 @@ struct LegacySSHStore : public Store
try { try {
auto conn(connections->get()); auto conn(connections->get());
/* No longer support missing NAR hash */
assert(GET_PROTOCOL_MINOR(conn->remoteVersion) >= 4);
debug("querying remote host '%s' for info on '%s'", host, printStorePath(path)); debug("querying remote host '%s' for info on '%s'", host, printStorePath(path));
conn->to << cmdQueryPathInfos << PathSet{printStorePath(path)}; conn->to << cmdQueryPathInfos << PathSet{printStorePath(path)};
@ -100,8 +103,10 @@ struct LegacySSHStore : public Store
auto p = readString(conn->from); auto p = readString(conn->from);
if (p.empty()) return callback(nullptr); if (p.empty()) return callback(nullptr);
auto info = std::make_shared<ValidPathInfo>(parseStorePath(p)); auto path2 = parseStorePath(p);
assert(path == info->path); assert(path == path2);
/* Hash will be set below. FIXME construct ValidPathInfo at end. */
auto info = std::make_shared<ValidPathInfo>(path, Hash::dummy);
PathSet references; PathSet references;
auto deriver = readString(conn->from); auto deriver = readString(conn->from);
@ -111,12 +116,14 @@ struct LegacySSHStore : public Store
readLongLong(conn->from); // download size readLongLong(conn->from); // download size
info->narSize = readLongLong(conn->from); info->narSize = readLongLong(conn->from);
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 4) { {
auto s = readString(conn->from); auto s = readString(conn->from);
info->narHash = s.empty() ? std::optional<Hash>{} : Hash::parseAnyPrefixed(s); if (s == "")
throw Error("NAR hash is now mandatory");
info->narHash = Hash::parseAnyPrefixed(s);
}
info->ca = parseContentAddressOpt(readString(conn->from)); info->ca = parseContentAddressOpt(readString(conn->from));
info->sigs = readStrings<StringSet>(conn->from); info->sigs = readStrings<StringSet>(conn->from);
}
auto s = readString(conn->from); auto s = readString(conn->from);
assert(s == ""); assert(s == "");
@ -138,7 +145,7 @@ struct LegacySSHStore : public Store
<< cmdAddToStoreNar << cmdAddToStoreNar
<< printStorePath(info.path) << printStorePath(info.path)
<< (info.deriver ? printStorePath(*info.deriver) : "") << (info.deriver ? printStorePath(*info.deriver) : "")
<< info.narHash->to_string(Base16, false); << info.narHash.to_string(Base16, false);
writeStorePaths(*this, conn->to, info.references); writeStorePaths(*this, conn->to, info.references);
conn->to conn->to
<< info.registrationTime << info.registrationTime

View file

@ -594,7 +594,7 @@ uint64_t LocalStore::addValidPath(State & state,
state.stmtRegisterValidPath.use() state.stmtRegisterValidPath.use()
(printStorePath(info.path)) (printStorePath(info.path))
(info.narHash->to_string(Base16, true)) (info.narHash.to_string(Base16, true))
(info.registrationTime == 0 ? time(0) : info.registrationTime) (info.registrationTime == 0 ? time(0) : info.registrationTime)
(info.deriver ? printStorePath(*info.deriver) : "", (bool) info.deriver) (info.deriver ? printStorePath(*info.deriver) : "", (bool) info.deriver)
(info.narSize, info.narSize != 0) (info.narSize, info.narSize != 0)
@ -641,25 +641,28 @@ void LocalStore::queryPathInfoUncached(const StorePath & path,
Callback<std::shared_ptr<const ValidPathInfo>> callback) noexcept Callback<std::shared_ptr<const ValidPathInfo>> callback) noexcept
{ {
try { try {
auto info = std::make_shared<ValidPathInfo>(path);
callback(retrySQLite<std::shared_ptr<ValidPathInfo>>([&]() { callback(retrySQLite<std::shared_ptr<ValidPathInfo>>([&]() {
auto state(_state.lock()); auto state(_state.lock());
/* Get the path info. */ /* Get the path info. */
auto useQueryPathInfo(state->stmtQueryPathInfo.use()(printStorePath(info->path))); auto useQueryPathInfo(state->stmtQueryPathInfo.use()(printStorePath(path)));
if (!useQueryPathInfo.next()) if (!useQueryPathInfo.next())
return std::shared_ptr<ValidPathInfo>(); return std::shared_ptr<ValidPathInfo>();
info->id = useQueryPathInfo.getInt(0); auto id = useQueryPathInfo.getInt(0);
auto narHash = Hash::dummy;
try { try {
info->narHash = Hash::parseAnyPrefixed(useQueryPathInfo.getStr(1)); narHash = Hash::parseAnyPrefixed(useQueryPathInfo.getStr(1));
} catch (BadHash & e) { } catch (BadHash & e) {
throw Error("invalid-path entry for '%s': %s", printStorePath(path), e.what()); throw Error("invalid-path entry for '%s': %s", printStorePath(path), e.what());
} }
auto info = std::make_shared<ValidPathInfo>(path, narHash);
info->id = id;
info->registrationTime = useQueryPathInfo.getInt(2); info->registrationTime = useQueryPathInfo.getInt(2);
auto s = (const char *) sqlite3_column_text(state->stmtQueryPathInfo, 3); auto s = (const char *) sqlite3_column_text(state->stmtQueryPathInfo, 3);
@ -694,7 +697,7 @@ void LocalStore::updatePathInfo(State & state, const ValidPathInfo & info)
{ {
state.stmtUpdatePathInfo.use() state.stmtUpdatePathInfo.use()
(info.narSize, info.narSize != 0) (info.narSize, info.narSize != 0)
(info.narHash->to_string(Base16, true)) (info.narHash.to_string(Base16, true))
(info.ultimate ? 1 : 0, info.ultimate) (info.ultimate ? 1 : 0, info.ultimate)
(concatStringsSep(" ", info.sigs), !info.sigs.empty()) (concatStringsSep(" ", info.sigs), !info.sigs.empty())
(renderContentAddress(info.ca), (bool) info.ca) (renderContentAddress(info.ca), (bool) info.ca)
@ -920,7 +923,7 @@ void LocalStore::registerValidPaths(const ValidPathInfos & infos)
StorePathSet paths; StorePathSet paths;
for (auto & i : infos) { for (auto & i : infos) {
assert(i.narHash && i.narHash->type == htSHA256); assert(i.narHash.type == htSHA256);
if (isValidPath_(*state, i.path)) if (isValidPath_(*state, i.path))
updatePathInfo(*state, i); updatePathInfo(*state, i);
else else
@ -984,9 +987,6 @@ const PublicKeys & LocalStore::getPublicKeys()
void LocalStore::addToStore(const ValidPathInfo & info, Source & source, void LocalStore::addToStore(const ValidPathInfo & info, Source & source,
RepairFlag repair, CheckSigsFlag checkSigs) RepairFlag repair, CheckSigsFlag checkSigs)
{ {
if (!info.narHash)
throw Error("cannot add path '%s' because it lacks a hash", printStorePath(info.path));
if (requireSigs && checkSigs && !info.checkSignatures(*this, getPublicKeys())) if (requireSigs && checkSigs && !info.checkSignatures(*this, getPublicKeys()))
throw Error("cannot add path '%s' because it lacks a valid signature", printStorePath(info.path)); throw Error("cannot add path '%s' because it lacks a valid signature", printStorePath(info.path));
@ -1029,7 +1029,7 @@ void LocalStore::addToStore(const ValidPathInfo & info, Source & source,
if (hashResult.first != info.narHash) if (hashResult.first != info.narHash)
throw Error("hash mismatch importing path '%s';\n wanted: %s\n got: %s", throw Error("hash mismatch importing path '%s';\n wanted: %s\n got: %s",
printStorePath(info.path), info.narHash->to_string(Base32, true), hashResult.first.to_string(Base32, true)); printStorePath(info.path), info.narHash.to_string(Base32, true), hashResult.first.to_string(Base32, true));
if (hashResult.second != info.narSize) if (hashResult.second != info.narSize)
throw Error("size mismatch importing path '%s';\n wanted: %s\n got: %s", throw Error("size mismatch importing path '%s';\n wanted: %s\n got: %s",
@ -1151,8 +1151,7 @@ StorePath LocalStore::addToStoreFromDump(Source & source0, const string & name,
optimisePath(realPath); optimisePath(realPath);
ValidPathInfo info(dstPath); ValidPathInfo info { dstPath, narHash.first };
info.narHash = narHash.first;
info.narSize = narHash.second; info.narSize = narHash.second;
info.ca = FixedOutputHash { .method = method, .hash = hash }; info.ca = FixedOutputHash { .method = method, .hash = hash };
registerValidPath(info); registerValidPath(info);
@ -1195,8 +1194,7 @@ StorePath LocalStore::addTextToStore(const string & name, const string & s,
optimisePath(realPath); optimisePath(realPath);
ValidPathInfo info(dstPath); ValidPathInfo info { dstPath, narHash };
info.narHash = narHash;
info.narSize = sink.s->size(); info.narSize = sink.s->size();
info.references = references; info.references = references;
info.ca = TextHash { .hash = hash }; info.ca = TextHash { .hash = hash };
@ -1311,9 +1309,9 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
std::unique_ptr<AbstractHashSink> hashSink; std::unique_ptr<AbstractHashSink> hashSink;
if (!info->ca || !info->references.count(info->path)) if (!info->ca || !info->references.count(info->path))
hashSink = std::make_unique<HashSink>(info->narHash->type); hashSink = std::make_unique<HashSink>(info->narHash.type);
else else
hashSink = std::make_unique<HashModuloSink>(info->narHash->type, std::string(info->path.hashPart())); hashSink = std::make_unique<HashModuloSink>(info->narHash.type, std::string(info->path.hashPart()));
dumpPath(Store::toRealPath(i), *hashSink); dumpPath(Store::toRealPath(i), *hashSink);
auto current = hashSink->finish(); auto current = hashSink->finish();
@ -1322,7 +1320,7 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
logError({ logError({
.name = "Invalid hash - path modified", .name = "Invalid hash - path modified",
.hint = hintfmt("path '%s' was modified! expected hash '%s', got '%s'", .hint = hintfmt("path '%s' was modified! expected hash '%s', got '%s'",
printStorePath(i), info->narHash->to_string(Base32, true), current.first.to_string(Base32, true)) printStorePath(i), info->narHash.to_string(Base32, true), current.first.to_string(Base32, true))
}); });
if (repair) repairPath(i); else errors = true; if (repair) repairPath(i); else errors = true;
} else { } else {

View file

@ -189,13 +189,14 @@ public:
return {oInvalid, 0}; return {oInvalid, 0};
auto namePart = queryNAR.getStr(1); auto namePart = queryNAR.getStr(1);
auto narInfo = make_ref<NarInfo>(StorePath(hashPart + "-" + namePart)); auto narInfo = make_ref<NarInfo>(
StorePath(hashPart + "-" + namePart),
Hash::parseAnyPrefixed(queryNAR.getStr(6)));
narInfo->url = queryNAR.getStr(2); narInfo->url = queryNAR.getStr(2);
narInfo->compression = queryNAR.getStr(3); narInfo->compression = queryNAR.getStr(3);
if (!queryNAR.isNull(4)) if (!queryNAR.isNull(4))
narInfo->fileHash = Hash::parseAnyPrefixed(queryNAR.getStr(4)); narInfo->fileHash = Hash::parseAnyPrefixed(queryNAR.getStr(4));
narInfo->fileSize = queryNAR.getInt(5); narInfo->fileSize = queryNAR.getInt(5);
narInfo->narHash = Hash::parseAnyPrefixed(queryNAR.getStr(6));
narInfo->narSize = queryNAR.getInt(7); narInfo->narSize = queryNAR.getInt(7);
for (auto & r : tokenizeString<Strings>(queryNAR.getStr(8), " ")) for (auto & r : tokenizeString<Strings>(queryNAR.getStr(8), " "))
narInfo->references.insert(StorePath(r)); narInfo->references.insert(StorePath(r));
@ -232,7 +233,7 @@ public:
(narInfo ? narInfo->compression : "", narInfo != 0) (narInfo ? narInfo->compression : "", narInfo != 0)
(narInfo && narInfo->fileHash ? narInfo->fileHash->to_string(Base32, true) : "", narInfo && narInfo->fileHash) (narInfo && narInfo->fileHash ? narInfo->fileHash->to_string(Base32, true) : "", narInfo && narInfo->fileHash)
(narInfo ? narInfo->fileSize : 0, narInfo != 0 && narInfo->fileSize) (narInfo ? narInfo->fileSize : 0, narInfo != 0 && narInfo->fileSize)
(info->narHash->to_string(Base32, true)) (info->narHash.to_string(Base32, true))
(info->narSize) (info->narSize)
(concatStringsSep(" ", info->shortRefs())) (concatStringsSep(" ", info->shortRefs()))
(info->deriver ? std::string(info->deriver->to_string()) : "", (bool) info->deriver) (info->deriver ? std::string(info->deriver->to_string()) : "", (bool) info->deriver)

View file

@ -1,10 +1,11 @@
#include "globals.hh" #include "globals.hh"
#include "nar-info.hh" #include "nar-info.hh"
#include "store-api.hh"
namespace nix { namespace nix {
NarInfo::NarInfo(const Store & store, const std::string & s, const std::string & whence) NarInfo::NarInfo(const Store & store, const std::string & s, const std::string & whence)
: ValidPathInfo(StorePath(StorePath::dummy)) // FIXME: hack : ValidPathInfo(StorePath(StorePath::dummy), Hash(Hash::dummy)) // FIXME: hack
{ {
auto corrupt = [&]() { auto corrupt = [&]() {
return Error("NAR info file '%1%' is corrupt", whence); return Error("NAR info file '%1%' is corrupt", whence);
@ -19,6 +20,7 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
}; };
bool havePath = false; bool havePath = false;
bool haveNarHash = false;
size_t pos = 0; size_t pos = 0;
while (pos < s.size()) { while (pos < s.size()) {
@ -46,8 +48,10 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
else if (name == "FileSize") { else if (name == "FileSize") {
if (!string2Int(value, fileSize)) throw corrupt(); if (!string2Int(value, fileSize)) throw corrupt();
} }
else if (name == "NarHash") else if (name == "NarHash") {
narHash = parseHashField(value); narHash = parseHashField(value);
haveNarHash = true;
}
else if (name == "NarSize") { else if (name == "NarSize") {
if (!string2Int(value, narSize)) throw corrupt(); if (!string2Int(value, narSize)) throw corrupt();
} }
@ -76,7 +80,7 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
if (compression == "") compression = "bzip2"; if (compression == "") compression = "bzip2";
if (!havePath || url.empty() || narSize == 0 || !narHash) throw corrupt(); if (!havePath || !haveNarHash || url.empty() || narSize == 0) throw corrupt();
} }
std::string NarInfo::to_string(const Store & store) const std::string NarInfo::to_string(const Store & store) const
@ -89,8 +93,8 @@ std::string NarInfo::to_string(const Store & store) const
assert(fileHash && fileHash->type == htSHA256); assert(fileHash && fileHash->type == htSHA256);
res += "FileHash: " + fileHash->to_string(Base32, true) + "\n"; res += "FileHash: " + fileHash->to_string(Base32, true) + "\n";
res += "FileSize: " + std::to_string(fileSize) + "\n"; res += "FileSize: " + std::to_string(fileSize) + "\n";
assert(narHash && narHash->type == htSHA256); assert(narHash.type == htSHA256);
res += "NarHash: " + narHash->to_string(Base32, true) + "\n"; res += "NarHash: " + narHash.to_string(Base32, true) + "\n";
res += "NarSize: " + std::to_string(narSize) + "\n"; res += "NarSize: " + std::to_string(narSize) + "\n";
res += "References: " + concatStringsSep(" ", shortRefs()) + "\n"; res += "References: " + concatStringsSep(" ", shortRefs()) + "\n";

View file

@ -2,10 +2,12 @@
#include "types.hh" #include "types.hh"
#include "hash.hh" #include "hash.hh"
#include "store-api.hh" #include "path-info.hh"
namespace nix { namespace nix {
class Store;
struct NarInfo : ValidPathInfo struct NarInfo : ValidPathInfo
{ {
std::string url; std::string url;
@ -15,7 +17,7 @@ struct NarInfo : ValidPathInfo
std::string system; std::string system;
NarInfo() = delete; NarInfo() = delete;
NarInfo(StorePath && path) : ValidPathInfo(std::move(path)) { } NarInfo(StorePath && path, Hash narHash) : ValidPathInfo(std::move(path), narHash) { }
NarInfo(const ValidPathInfo & info) : ValidPathInfo(info) { } NarInfo(const ValidPathInfo & info) : ValidPathInfo(info) { }
NarInfo(const Store & store, const std::string & s, const std::string & whence); NarInfo(const Store & store, const std::string & s, const std::string & whence);

View file

@ -1,5 +1,6 @@
#pragma once #pragma once
#include "crypto.hh"
#include "path.hh" #include "path.hh"
#include "hash.hh" #include "hash.hh"
#include "content-address.hh" #include "content-address.hh"
@ -29,7 +30,7 @@ struct ValidPathInfo
StorePath path; StorePath path;
std::optional<StorePath> deriver; std::optional<StorePath> deriver;
// TODO document this // TODO document this
std::optional<Hash> narHash; Hash narHash;
StorePathSet references; StorePathSet references;
time_t registrationTime = 0; time_t registrationTime = 0;
uint64_t narSize = 0; // 0 = unknown uint64_t narSize = 0; // 0 = unknown
@ -100,8 +101,8 @@ struct ValidPathInfo
ValidPathInfo(const ValidPathInfo & other) = default; ValidPathInfo(const ValidPathInfo & other) = default;
ValidPathInfo(StorePath && path) : path(std::move(path)) { }; ValidPathInfo(StorePath && path, Hash narHash) : path(std::move(path)), narHash(narHash) { };
ValidPathInfo(const StorePath & path) : path(path) { }; ValidPathInfo(const StorePath & path, Hash narHash) : path(path), narHash(narHash) { };
virtual ~ValidPathInfo() { } virtual ~ValidPathInfo() { }
}; };

View file

@ -419,10 +419,10 @@ void RemoteStore::queryPathInfoUncached(const StorePath & path,
bool valid; conn->from >> valid; bool valid; conn->from >> valid;
if (!valid) throw InvalidPath("path '%s' is not valid", printStorePath(path)); if (!valid) throw InvalidPath("path '%s' is not valid", printStorePath(path));
} }
info = std::make_shared<ValidPathInfo>(StorePath(path));
auto deriver = readString(conn->from); auto deriver = readString(conn->from);
auto narHash = Hash::parseAny(readString(conn->from), htSHA256);
info = std::make_shared<ValidPathInfo>(path, narHash);
if (deriver != "") info->deriver = parseStorePath(deriver); if (deriver != "") info->deriver = parseStorePath(deriver);
info->narHash = Hash::parseAny(readString(conn->from), htSHA256);
info->references = readStorePaths<StorePathSet>(*this, conn->from); info->references = readStorePaths<StorePathSet>(*this, conn->from);
conn->from >> info->registrationTime >> info->narSize; conn->from >> info->registrationTime >> info->narSize;
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 16) { if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 16) {
@ -521,7 +521,7 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
conn->to << wopAddToStoreNar conn->to << wopAddToStoreNar
<< printStorePath(info.path) << printStorePath(info.path)
<< (info.deriver ? printStorePath(*info.deriver) : "") << (info.deriver ? printStorePath(*info.deriver) : "")
<< info.narHash->to_string(Base16, false); << info.narHash.to_string(Base16, false);
writeStorePaths(*this, conn->to, info.references); writeStorePaths(*this, conn->to, info.references);
conn->to << info.registrationTime << info.narSize conn->to << info.registrationTime << info.narSize
<< info.ultimate << info.sigs << renderContentAddress(info.ca) << info.ultimate << info.sigs << renderContentAddress(info.ca)

View file

@ -320,8 +320,10 @@ ValidPathInfo Store::addToStoreSlow(std::string_view name, const Path & srcPath,
if (expectedCAHash && expectedCAHash != hash) if (expectedCAHash && expectedCAHash != hash)
throw Error("hash mismatch for '%s'", srcPath); throw Error("hash mismatch for '%s'", srcPath);
ValidPathInfo info(makeFixedOutputPath(method, hash, name)); ValidPathInfo info {
info.narHash = narHash; makeFixedOutputPath(method, hash, name),
narHash,
};
info.narSize = narSize; info.narSize = narSize;
info.ca = FixedOutputHash { .method = method, .hash = hash }; info.ca = FixedOutputHash { .method = method, .hash = hash };
@ -565,7 +567,7 @@ string Store::makeValidityRegistration(const StorePathSet & paths,
auto info = queryPathInfo(i); auto info = queryPathInfo(i);
if (showHash) { if (showHash) {
s += info->narHash->to_string(Base16, false) + "\n"; s += info->narHash.to_string(Base16, false) + "\n";
s += (format("%1%\n") % info->narSize).str(); s += (format("%1%\n") % info->narSize).str();
} }
@ -597,7 +599,7 @@ void Store::pathInfoToJSON(JSONPlaceholder & jsonOut, const StorePathSet & store
auto info = queryPathInfo(storePath); auto info = queryPathInfo(storePath);
jsonPath jsonPath
.attr("narHash", info->narHash->to_string(hashBase, true)) .attr("narHash", info->narHash.to_string(hashBase, true))
.attr("narSize", info->narSize); .attr("narSize", info->narSize);
{ {
@ -725,20 +727,6 @@ void copyStorePath(ref<Store> srcStore, ref<Store> dstStore,
info = info2; info = info2;
} }
if (!info->narHash) {
StringSink sink;
srcStore->narFromPath({storePath}, sink);
auto info2 = make_ref<ValidPathInfo>(*info);
info2->narHash = hashString(htSHA256, *sink.s);
if (!info->narSize) info2->narSize = sink.s->size();
if (info->ultimate) info2->ultimate = false;
info = info2;
StringSource source(*sink.s);
dstStore->addToStore(*info, source, repair, checkSigs);
return;
}
if (info->ultimate) { if (info->ultimate) {
auto info2 = make_ref<ValidPathInfo>(*info); auto info2 = make_ref<ValidPathInfo>(*info);
info2->ultimate = false; info2->ultimate = false;
@ -863,19 +851,22 @@ void copyClosure(ref<Store> srcStore, ref<Store> dstStore,
} }
std::optional<ValidPathInfo> decodeValidPathInfo(const Store & store, std::istream & str, bool hashGiven) std::optional<ValidPathInfo> decodeValidPathInfo(const Store & store, std::istream & str, std::optional<HashResult> hashGiven)
{ {
std::string path; std::string path;
getline(str, path); getline(str, path);
if (str.eof()) { return {}; } if (str.eof()) { return {}; }
ValidPathInfo info(store.parseStorePath(path)); if (!hashGiven) {
if (hashGiven) {
string s; string s;
getline(str, s); getline(str, s);
info.narHash = Hash::parseAny(s, htSHA256); auto narHash = Hash::parseAny(s, htSHA256);
getline(str, s); getline(str, s);
if (!string2Int(s, info.narSize)) throw Error("number expected"); uint64_t narSize;
if (!string2Int(s, narSize)) throw Error("number expected");
hashGiven = { narHash, narSize };
} }
ValidPathInfo info(store.parseStorePath(path), hashGiven->first);
info.narSize = hashGiven->second;
std::string deriver; std::string deriver;
getline(str, deriver); getline(str, deriver);
if (deriver != "") info.deriver = store.parseStorePath(deriver); if (deriver != "") info.deriver = store.parseStorePath(deriver);
@ -910,12 +901,12 @@ string showPaths(const PathSet & paths)
std::string ValidPathInfo::fingerprint(const Store & store) const std::string ValidPathInfo::fingerprint(const Store & store) const
{ {
if (narSize == 0 || !narHash) if (narSize == 0)
throw Error("cannot calculate fingerprint of path '%s' because its size/hash is not known", throw Error("cannot calculate fingerprint of path '%s' because its size is not known",
store.printStorePath(path)); store.printStorePath(path));
return return
"1;" + store.printStorePath(path) + ";" "1;" + store.printStorePath(path) + ";"
+ narHash->to_string(Base32, true) + ";" + narHash.to_string(Base32, true) + ";"
+ std::to_string(narSize) + ";" + std::to_string(narSize) + ";"
+ concatStringsSep(",", store.printStorePathSet(references)); + concatStringsSep(",", store.printStorePathSet(references));
} }

View file

@ -4,7 +4,6 @@
#include "hash.hh" #include "hash.hh"
#include "content-address.hh" #include "content-address.hh"
#include "serialise.hh" #include "serialise.hh"
#include "crypto.hh"
#include "lru-cache.hh" #include "lru-cache.hh"
#include "sync.hh" #include "sync.hh"
#include "globals.hh" #include "globals.hh"
@ -761,7 +760,7 @@ string showPaths(const PathSet & paths);
std::optional<ValidPathInfo> decodeValidPathInfo( std::optional<ValidPathInfo> decodeValidPathInfo(
const Store & store, const Store & store,
std::istream & str, std::istream & str,
bool hashGiven = false); std::optional<HashResult> hashGiven = std::nullopt);
/* Split URI into protocol+hierarchy part and its parameter set. */ /* Split URI into protocol+hierarchy part and its parameter set. */
std::pair<std::string, Store::Params> splitUriAndParams(const std::string & uri); std::pair<std::string, Store::Params> splitUriAndParams(const std::string & uri);

View file

@ -136,6 +136,8 @@ std::string Hash::to_string(Base base, bool includeType) const
return s; return s;
} }
Hash Hash::dummy(htSHA256);
Hash Hash::parseSRI(std::string_view original) { Hash Hash::parseSRI(std::string_view original) {
auto rest = original; auto rest = original;

View file

@ -59,9 +59,6 @@ private:
Hash(std::string_view s, HashType type, bool isSRI); Hash(std::string_view s, HashType type, bool isSRI);
public: public:
/* Check whether a hash is set. */
operator bool () const { return (bool) type; }
/* Check whether two hash are equal. */ /* Check whether two hash are equal. */
bool operator == (const Hash & h2) const; bool operator == (const Hash & h2) const;
@ -105,6 +102,8 @@ public:
assert(type == htSHA1); assert(type == htSHA1);
return std::string(to_string(Base16, false), 0, 7); return std::string(to_string(Base16, false), 0, 7);
} }
static Hash dummy;
}; };
/* Helper that defaults empty hashes to the 0 hash. */ /* Helper that defaults empty hashes to the 0 hash. */

View file

@ -372,8 +372,8 @@ static void opQuery(Strings opFlags, Strings opArgs)
for (auto & j : maybeUseOutputs(store->followLinksToStorePath(i), useOutput, forceRealise)) { for (auto & j : maybeUseOutputs(store->followLinksToStorePath(i), useOutput, forceRealise)) {
auto info = store->queryPathInfo(j); auto info = store->queryPathInfo(j);
if (query == qHash) { if (query == qHash) {
assert(info->narHash && info->narHash->type == htSHA256); assert(info->narHash.type == htSHA256);
cout << fmt("%s\n", info->narHash->to_string(Base32, true)); cout << fmt("%s\n", info->narHash.to_string(Base32, true));
} else if (query == qSize) } else if (query == qSize)
cout << fmt("%d\n", info->narSize); cout << fmt("%d\n", info->narSize);
} }
@ -495,7 +495,10 @@ static void registerValidity(bool reregister, bool hashGiven, bool canonicalise)
ValidPathInfos infos; ValidPathInfos infos;
while (1) { while (1) {
auto info = decodeValidPathInfo(*store, cin, hashGiven); // We use a dummy value because we'll set it below. FIXME be correct by
// construction and avoid dummy value.
auto hashResultOpt = !hashGiven ? std::optional<HashResult> { {Hash::dummy, -1} } : std::nullopt;
auto info = decodeValidPathInfo(*store, cin, hashResultOpt);
if (!info) break; if (!info) break;
if (!store->isValidPath(info->path) || reregister) { if (!store->isValidPath(info->path) || reregister) {
/* !!! races */ /* !!! races */
@ -723,7 +726,7 @@ static void opVerifyPath(Strings opFlags, Strings opArgs)
auto path = store->followLinksToStorePath(i); auto path = store->followLinksToStorePath(i);
printMsg(lvlTalkative, "checking path '%s'...", store->printStorePath(path)); printMsg(lvlTalkative, "checking path '%s'...", store->printStorePath(path));
auto info = store->queryPathInfo(path); auto info = store->queryPathInfo(path);
HashSink sink(info->narHash->type); HashSink sink(info->narHash.type);
store->narFromPath(path, sink); store->narFromPath(path, sink);
auto current = sink.finish(); auto current = sink.finish();
if (current.first != info->narHash) { if (current.first != info->narHash) {
@ -732,7 +735,7 @@ static void opVerifyPath(Strings opFlags, Strings opArgs)
.hint = hintfmt( .hint = hintfmt(
"path '%s' was modified! expected hash '%s', got '%s'", "path '%s' was modified! expected hash '%s', got '%s'",
store->printStorePath(path), store->printStorePath(path),
info->narHash->to_string(Base32, true), info->narHash.to_string(Base32, true),
current.first.to_string(Base32, true)) current.first.to_string(Base32, true))
}); });
status = 1; status = 1;
@ -862,7 +865,7 @@ static void opServe(Strings opFlags, Strings opArgs)
out << info->narSize // downloadSize out << info->narSize // downloadSize
<< info->narSize; << info->narSize;
if (GET_PROTOCOL_MINOR(clientVersion) >= 4) if (GET_PROTOCOL_MINOR(clientVersion) >= 4)
out << (info->narHash ? info->narHash->to_string(Base32, true) : "") out << info->narHash.to_string(Base32, true)
<< renderContentAddress(info->ca) << renderContentAddress(info->ca)
<< info->sigs; << info->sigs;
} catch (InvalidPath &) { } catch (InvalidPath &) {
@ -944,11 +947,13 @@ static void opServe(Strings opFlags, Strings opArgs)
if (!writeAllowed) throw Error("importing paths is not allowed"); if (!writeAllowed) throw Error("importing paths is not allowed");
auto path = readString(in); auto path = readString(in);
ValidPathInfo info(store->parseStorePath(path));
auto deriver = readString(in); auto deriver = readString(in);
ValidPathInfo info {
store->parseStorePath(path),
Hash::parseAny(readString(in), htSHA256),
};
if (deriver != "") if (deriver != "")
info.deriver = store->parseStorePath(deriver); info.deriver = store->parseStorePath(deriver);
info.narHash = Hash::parseAny(readString(in), htSHA256);
info.references = readStorePaths<StorePathSet>(*store, in); info.references = readStorePaths<StorePathSet>(*store, in);
in >> info.registrationTime >> info.narSize >> info.ultimate; in >> info.registrationTime >> info.narSize >> info.ultimate;
info.sigs = readStrings<StringSet>(in); info.sigs = readStrings<StringSet>(in);

View file

@ -60,8 +60,10 @@ struct CmdAddToStore : MixDryRun, StoreCommand
hash = hsink.finish().first; hash = hsink.finish().first;
} }
ValidPathInfo info(store->makeFixedOutputPath(ingestionMethod, hash, *namePart)); ValidPathInfo info {
info.narHash = narHash; store->makeFixedOutputPath(ingestionMethod, hash, *namePart),
narHash,
};
info.narSize = sink.s->size(); info.narSize = sink.s->size();
info.ca = std::optional { FixedOutputHash { info.ca = std::optional { FixedOutputHash {
.method = ingestionMethod, .method = ingestionMethod,

View file

@ -77,14 +77,16 @@ struct CmdMakeContentAddressable : StorePathsCommand, MixJSON
auto narHash = hashModuloSink.finish().first; auto narHash = hashModuloSink.finish().first;
ValidPathInfo info(store->makeFixedOutputPath(FileIngestionMethod::Recursive, narHash, path.name(), references, hasSelfReference)); ValidPathInfo info {
store->makeFixedOutputPath(FileIngestionMethod::Recursive, narHash, path.name(), references, hasSelfReference),
narHash,
};
info.references = std::move(references); info.references = std::move(references);
if (hasSelfReference) info.references.insert(info.path); if (hasSelfReference) info.references.insert(info.path);
info.narHash = narHash;
info.narSize = sink.s->size(); info.narSize = sink.s->size();
info.ca = FixedOutputHash { info.ca = FixedOutputHash {
.method = FileIngestionMethod::Recursive, .method = FileIngestionMethod::Recursive,
.hash = *info.narHash, .hash = info.narHash,
}; };
if (!json) if (!json)

View file

@ -129,11 +129,13 @@ struct ProfileManifest
auto narHash = hashString(htSHA256, *sink.s); auto narHash = hashString(htSHA256, *sink.s);
ValidPathInfo info(store->makeFixedOutputPath(FileIngestionMethod::Recursive, narHash, "profile", references)); ValidPathInfo info {
store->makeFixedOutputPath(FileIngestionMethod::Recursive, narHash, "profile", references),
narHash,
};
info.references = std::move(references); info.references = std::move(references);
info.narHash = narHash;
info.narSize = sink.s->size(); info.narSize = sink.s->size();
info.ca = FixedOutputHash { .method = FileIngestionMethod::Recursive, .hash = *info.narHash }; info.ca = FixedOutputHash { .method = FileIngestionMethod::Recursive, .hash = info.narHash };
auto source = StringSource { *sink.s }; auto source = StringSource { *sink.s };
store->addToStore(info, source); store->addToStore(info, source);

View file

@ -91,15 +91,15 @@ struct CmdVerify : StorePathsCommand
std::unique_ptr<AbstractHashSink> hashSink; std::unique_ptr<AbstractHashSink> hashSink;
if (!info->ca) if (!info->ca)
hashSink = std::make_unique<HashSink>(info->narHash->type); hashSink = std::make_unique<HashSink>(info->narHash.type);
else else
hashSink = std::make_unique<HashModuloSink>(info->narHash->type, std::string(info->path.hashPart())); hashSink = std::make_unique<HashModuloSink>(info->narHash.type, std::string(info->path.hashPart()));
store->narFromPath(info->path, *hashSink); store->narFromPath(info->path, *hashSink);
auto hash = hashSink->finish(); auto hash = hashSink->finish();
if (hash.first != *info->narHash) { if (hash.first != info->narHash) {
corrupted++; corrupted++;
act2.result(resCorruptedPath, store->printStorePath(info->path)); act2.result(resCorruptedPath, store->printStorePath(info->path));
logError({ logError({
@ -107,7 +107,7 @@ struct CmdVerify : StorePathsCommand
.hint = hintfmt( .hint = hintfmt(
"path '%s' was modified! expected hash '%s', got '%s'", "path '%s' was modified! expected hash '%s', got '%s'",
store->printStorePath(info->path), store->printStorePath(info->path),
info->narHash->to_string(Base32, true), info->narHash.to_string(Base32, true),
hash.first.to_string(Base32, true)) hash.first.to_string(Base32, true))
}); });
} }