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-rw-r--r--src/libstore/build.cc12
-rw-r--r--src/libstore/sandbox-defaults.sb26
2 files changed, 33 insertions, 5 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index 9f8edc826..061682377 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -2833,10 +2833,10 @@ void DerivationGoal::runChild()
sandboxProfile += "(deny default (with no-log))\n";
}
- sandboxProfile += "(import \"sandbox-defaults.sb\")";
+ sandboxProfile += "(import \"sandbox-defaults.sb\")\n";
if (fixedOutput)
- sandboxProfile += "(import \"sandbox-network.sb\")";
+ sandboxProfile += "(import \"sandbox-network.sb\")\n";
/* Our rwx outputs */
sandboxProfile += "(allow file-read* file-write* process-exec\n";
@@ -2879,7 +2879,7 @@ void DerivationGoal::runChild()
sandboxProfile += additionalSandboxProfile;
} else
- sandboxProfile += "(import \"sandbox-minimal.sb\")";
+ sandboxProfile += "(import \"sandbox-minimal.sb\")\n";
debug("Generated sandbox profile:");
debug(sandboxProfile);
@@ -2888,6 +2888,8 @@ void DerivationGoal::runChild()
writeFile(sandboxFile, sandboxProfile);
+ bool allowLocalNetworking = get(drv->env, "__darwinAllowLocalNetworking") == "1";
+
/* The tmpDir in scope points at the temporary build directory for our derivation. Some packages try different mechanisms
to find temporary directories, so we want to open up a broader place for them to dump their files, if needed. */
Path globalTmpDir = canonPath(getEnv("TMPDIR", "/tmp"), true);
@@ -2903,6 +2905,10 @@ void DerivationGoal::runChild()
args.push_back("_GLOBAL_TMP_DIR=" + globalTmpDir);
args.push_back("-D");
args.push_back("IMPORT_DIR=" + settings.nixDataDir + "/nix/sandbox/");
+ if (allowLocalNetworking) {
+ args.push_back("-D");
+ args.push_back(string("_ALLOW_LOCAL_NETWORKING=1"));
+ }
args.push_back(drv->builder);
}
#endif
diff --git a/src/libstore/sandbox-defaults.sb b/src/libstore/sandbox-defaults.sb
index d63c8f813..cf700c62c 100644
--- a/src/libstore/sandbox-defaults.sb
+++ b/src/libstore/sandbox-defaults.sb
@@ -30,6 +30,29 @@
; Without this line clang cannot write to /dev/null, breaking some configure tests.
(allow file-read-metadata (literal "/dev"))
+; Many packages like to do local networking in their test suites, but let's only
+; allow it if the package explicitly asks for it.
+(if (param "_ALLOW_LOCAL_NETWORKING")
+ (begin
+ (allow network* (local ip) (local tcp) (local udp))
+
+ ; Allow access to /etc/resolv.conf (which is a symlink to
+ ; /private/var/run/resolv.conf).
+ ; TODO: deduplicate with sandbox-network.sb
+ (allow file-read-metadata
+ (literal "/var")
+ (literal "/etc")
+ (literal "/etc/resolv.conf")
+ (literal "/private/etc/resolv.conf"))
+
+ (allow file-read*
+ (literal "/private/var/run/resolv.conf"))
+
+ ; Allow DNS lookups. This is even needed for localhost, which lots of tests rely on
+ (allow file-read-metadata (literal "/etc/hosts"))
+ (allow file-read* (literal "/private/etc/hosts"))
+ (allow network-outbound (remote unix-socket (path-literal "/private/var/run/mDNSResponder")))))
+
; Standard devices.
(allow file*
(literal "/dev/null")
@@ -54,5 +77,4 @@
(allow file-read-metadata
(literal "/etc")
(literal "/var")
- (literal "/private/var/tmp")
- )
+ (literal "/private/var/tmp"))