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it-infra/nixbld-etc-nixos/nix-networked-derivations.p...

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diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc
2023-12-16 13:03:19 +08:00
index 64b55ca6a..9b4e52b8e 100644
--- a/src/libstore/build/local-derivation-goal.cc
+++ b/src/libstore/build/local-derivation-goal.cc
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@@ -180,6 +180,8 @@ void LocalDerivationGoal::tryLocalBuild()
assert(derivationType);
+ networked = parsedDrv->getBoolAttr("__networked");
+
/* Are we doing a chroot build? */
{
auto noChroot = parsedDrv->getBoolAttr("__noChroot");
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@@ -197,7 +199,7 @@ void LocalDerivationGoal::tryLocalBuild()
else if (settings.sandboxMode == smDisabled)
useChroot = false;
else if (settings.sandboxMode == smRelaxed)
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- useChroot = derivationType->isSandboxed() && !noChroot;
+ useChroot = !networked && derivationType->isSandboxed() && !noChroot;
}
auto & localStore = getLocalStore();
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@@ -691,7 +693,7 @@ void LocalDerivationGoal::startBuilder()
"nogroup:x:65534:\n", sandboxGid()));
/* Create /etc/hosts with localhost entry. */
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- if (derivationType->isSandboxed())
+ if (!networked && derivationType->isSandboxed())
writeFile(chrootRootDir + "/etc/hosts", "127.0.0.1 localhost\n::1 localhost\n");
/* Make the closure of the inputs available in the chroot,
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@@ -895,7 +897,7 @@ void LocalDerivationGoal::startBuilder()
us.
*/
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- if (derivationType->isSandboxed())
+ if (!networked && derivationType->isSandboxed())
privateNetwork = true;
userNamespaceSync.create();
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@@ -1134,7 +1136,7 @@ void LocalDerivationGoal::initEnv()
to the builder is generally impure, but the output of
fixed-output derivations is by definition pure (since we
already know the cryptographic hash of the output). */
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- if (!derivationType->isSandboxed()) {
+ if (networked || !derivationType->isSandboxed()) {
for (auto & i : parsedDrv->getStringsAttr("impureEnvVars").value_or(Strings()))
env[i] = getEnv(i).value_or("");
}
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@@ -1799,7 +1801,7 @@ void LocalDerivationGoal::runChild()
/* Fixed-output derivations typically need to access the
network, so give them access to /etc/resolv.conf and so
on. */
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- if (!derivationType->isSandboxed()) {
+ if (networked || !derivationType->isSandboxed()) {
// Only use nss functions to resolve hosts and
// services. Dont use it for anything else that may
// be configured for this system. This limits the
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@@ -2050,7 +2052,7 @@ void LocalDerivationGoal::runChild()
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#include "sandbox-defaults.sb"
;
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- if (!derivationType->isSandboxed())
+ if (networked || !derivationType->isSandboxed())
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sandboxProfile +=
#include "sandbox-network.sb"
;
diff --git a/src/libstore/build/local-derivation-goal.hh b/src/libstore/build/local-derivation-goal.hh
2023-12-16 13:03:19 +08:00
index 0a05081c7..4c251718c 100644
--- a/src/libstore/build/local-derivation-goal.hh
+++ b/src/libstore/build/local-derivation-goal.hh
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@@ -66,6 +66,8 @@ struct LocalDerivationGoal : public DerivationGoal
Path chrootRootDir;
+ bool networked;
+
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/**
* RAII object to delete the chroot directory.
*/