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libstore: parse the buildMode instead of unchecked cast

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Change-Id: Icf6af7935e8f139bef36b40ad475e973aa48855c
This commit is contained in:
Jade Lovelace 2024-05-24 20:45:05 -06:00
parent 076c19e0d1
commit 2a7a824d83
3 changed files with 14 additions and 3 deletions
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6
src/libstore/daemon.cc
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@ -527,7 +527,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
auto drvs = WorkerProto::Serialise<DerivedPaths>::read(*store, rconn);
BuildMode mode = bmNormal;
if (GET_PROTOCOL_MINOR(clientVersion) >= 15) {
mode = (BuildMode) readInt(from);
mode = buildModeFromInteger(readInt(from));
/* Repairing is not atomic, so disallowed for "untrusted"
clients.
@ -551,7 +551,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
case WorkerProto::Op::BuildPathsWithResults: {
auto drvs = WorkerProto::Serialise<DerivedPaths>::read(*store, rconn);
BuildMode mode = bmNormal;
mode = (BuildMode) readInt(from);
mode = buildModeFromInteger(readInt(from));
/* Repairing is not atomic, so disallowed for "untrusted"
clients.
@ -582,7 +582,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
* correctly.
*/
readDerivation(from, *store, drv, Derivation::nameFromPath(drvPath));
BuildMode buildMode = (BuildMode) readInt(from);
BuildMode buildMode = buildModeFromInteger(readInt(from));
logger->startWork();
auto drvType = drv.type();

8
src/libstore/store-api.cc
View file

@ -22,6 +22,14 @@ using json = nlohmann::json;
namespace nix {
BuildMode buildModeFromInteger(int raw) {
switch (raw) {
case bmNormal: return bmNormal;
case bmRepair: return bmRepair;
case bmCheck: return bmCheck;
default: throw Error("Invalid BuildMode");
}
}
bool Store::isInStore(PathView path) const
{

3
src/libstore/store-api.hh
View file

@ -90,6 +90,9 @@ const uint32_t exportMagic = 0x4558494e;
enum BuildMode { bmNormal, bmRepair, bmCheck };
/** Checks that a build mode is a valid one, then returns it */
BuildMode buildModeFromInteger(int);
enum TrustedFlag : bool { NotTrusted = false, Trusted = true };
struct BuildResult;