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Mark content-addressed paths in the Nix database and in .narinfo

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This allows such paths to be imported without signatures.
This commit is contained in:
Eelco Dolstra 2016-08-03 13:17:11 +02:00
parent 36a51ecab3
commit d961c29c9c
11 changed files with 146 additions and 43 deletions
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29
src/libstore/local-store.cc
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@ -195,6 +195,13 @@ LocalStore::LocalStore(const Params & params)
txn.commit();
}
if (curSchema < 10) {
SQLiteTxn txn(state->db);
if (sqlite3_exec(state->db, "alter table ValidPaths add column ca text", 0, 0, 0) != SQLITE_OK)
throwSQLiteError(state->db, "upgrading database schema");
txn.commit();
}
writeFile(schemaPath, (format("%1%") % nixSchemaVersion).str());
lockFile(globalLock.get(), ltRead, true);
@ -204,13 +211,13 @@ LocalStore::LocalStore(const Params & params)
/* Prepare SQL statements. */
state->stmtRegisterValidPath.create(state->db,
"insert into ValidPaths (path, hash, registrationTime, deriver, narSize, ultimate, sigs) values (?, ?, ?, ?, ?, ?, ?);");
"insert into ValidPaths (path, hash, registrationTime, deriver, narSize, ultimate, sigs, ca) values (?, ?, ?, ?, ?, ?, ?, ?);");
state->stmtUpdatePathInfo.create(state->db,
"update ValidPaths set narSize = ?, hash = ?, ultimate = ?, sigs = ? where path = ?;");
"update ValidPaths set narSize = ?, hash = ?, ultimate = ?, sigs = ?, ca = ? where path = ?;");
state->stmtAddReference.create(state->db,
"insert or replace into Refs (referrer, reference) values (?, ?);");
state->stmtQueryPathInfo.create(state->db,
"select id, hash, registrationTime, deriver, narSize, ultimate, sigs from ValidPaths where path = ?;");
"select id, hash, registrationTime, deriver, narSize, ultimate, sigs, ca from ValidPaths where path = ?;");
state->stmtQueryReferences.create(state->db,
"select path from Refs join ValidPaths on reference = id where referrer = ?;");
state->stmtQueryReferrers.create(state->db,
@ -527,6 +534,7 @@ uint64_t LocalStore::addValidPath(State & state,
(info.narSize, info.narSize != 0)
(info.ultimate ? 1 : 0, info.ultimate)
(concatStringsSep(" ", info.sigs), !info.sigs.empty())
(info.ca, !info.ca.empty())
.exec();
uint64_t id = sqlite3_last_insert_rowid(state.db);
@ -609,6 +617,9 @@ std::shared_ptr<ValidPathInfo> LocalStore::queryPathInfoUncached(const Path & pa
s = (const char *) sqlite3_column_text(state->stmtQueryPathInfo, 6);
if (s) info->sigs = tokenizeString<StringSet>(s, " ");
s = (const char *) sqlite3_column_text(state->stmtQueryPathInfo, 7);
if (s) info->ca = s;
/* Get the references. */
auto useQueryReferences(state->stmtQueryReferences.use()(info->id));
@ -628,6 +639,7 @@ void LocalStore::updatePathInfo(State & state, const ValidPathInfo & info)
("sha256:" + printHash(info.narHash))
(info.ultimate ? 1 : 0, info.ultimate)
(concatStringsSep(" ", info.sigs), !info.sigs.empty())
(info.ca, !info.ca.empty())
(info.path)
.exec();
}
@ -898,7 +910,7 @@ void LocalStore::addToStore(const ValidPathInfo & info, const std::string & nar,
throw Error(format("hash mismatch importing path ‘%s’; expected hash ‘%s’, got ‘%s’") %
info.path % info.narHash.to_string() % h.to_string());
if (requireSigs && !dontCheckSigs && !info.checkSignatures(publicKeys))
if (requireSigs && !dontCheckSigs && !info.checkSignatures(*this, publicKeys))
throw Error(format("cannot import path ‘%s’ because it lacks a valid signature") % info.path);
addTempRoot(info.path);
@ -983,6 +995,7 @@ Path LocalStore::addToStoreFromDump(const string & dump, const string & name,
info.narHash = hash.first;
info.narSize = hash.second;
info.ultimate = true;
info.ca = "fixed:" + (recursive ? (std::string) "r:" : "") + h.to_string();
registerValidPath(info);
}
@ -1014,7 +1027,8 @@ Path LocalStore::addToStore(const string & name, const Path & _srcPath,
Path LocalStore::addTextToStore(const string & name, const string & s,
const PathSet & references, bool repair)
{
Path dstPath = computeStorePathForText(name, s, references);
auto hash = hashString(htSHA256, s);
auto dstPath = makeTextPath(name, hash, references);
addTempRoot(dstPath);
@ -1034,16 +1048,17 @@ Path LocalStore::addTextToStore(const string & name, const string & s,
StringSink sink;
dumpString(s, sink);
auto hash = hashString(htSHA256, *sink.s);
auto narHash = hashString(htSHA256, *sink.s);
optimisePath(realPath);
ValidPathInfo info;
info.path = dstPath;
info.narHash = hash;
info.narHash = narHash;
info.narSize = sink.s->size();
info.references = references;
info.ultimate = true;
info.ca = "text:" + hash.to_string();
registerValidPath(info);
}