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fix minifakeroot on macos

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This commit is contained in:
Jörg Thalheim
2024-12-03 12:12:36 +01:00
parent 3581c30336
commit 05d1c992ef
4 changed files with 30 additions and 25 deletions
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32
nixosModules/clanCore/zerotier/default.nix
View File

@@ -191,31 +191,13 @@ in
config.services.zerotierone.package
pkgs.python3
];
generator.script =
let
library = "libfakeroot${pkgs.stdenv.hostPlatform.extensions.sharedLibrary}";
minifakeroot = pkgs.stdenv.mkDerivation {
name = "minifakeroot";
dontUnpack = true;
installPhase = ''
mkdir -p $out/lib
${
if pkgs.stdenv.isDarwin then
"$CC -dynamiclib -o $out/lib/libfakeroot.dylib ${./fake_root.c}"
else
"$CC -shared -o $out/lib/libfakeroot.so ${./fake_root.c}"
}
'';
};
varName = if pkgs.stdenv.isDarwin then "DYLD_INSERT_LIBRARIES" else "LD_PRELOAD";
in
''
export ${varName}=${minifakeroot}/lib/${library}
python3 ${./generate.py} --mode network \
--ip "$facts/zerotier-ip" \
--identity-secret "$secrets/zerotier-identity-secret" \
--network-id "$facts/zerotier-network-id"
'';
generator.script = ''
source ${(pkgs.callPackage ../../../pkgs/minifakeroot { })}/share/minifakeroot/rc
python3 ${./generate.py} --mode network \
--ip "$facts/zerotier-ip" \
--identity-secret "$secrets/zerotier-identity-secret" \
--network-id "$facts/zerotier-network-id"
'';
};
clan.core.state.zerotier.folders = [ "/var/lib/zerotier-one" ];

28
nixosModules/clanCore/zerotier/fake_root.c
View File

@@ -1,28 +0,0 @@
#include <stdint.h>
typedef uint32_t uid_t;
#ifdef __APPLE__
struct dyld_interpose {
const void * replacement;
const void * replacee;
};
#define WRAPPER(ret, name) static ret _fakeroot_wrapper_##name
#define WRAPPER_DEF(name) \
__attribute__((used)) static struct dyld_interpose _fakeroot_interpose_##name \
__attribute__((section("__DATA,__interpose"))) = { &_fakeroot_wrapper_##name, &name };
#else
#define WRAPPER(ret, name) ret name
#define WRAPPER_DEF(name)
#endif
WRAPPER(uid_t, geteuid)(const char * path, int flags, ...)
{
return 0; // Fake root
}
WRAPPER_DEF(geteuid)
WRAPPER(uid_t, getuid)(const char * path, int flags, ...)
{
return 0; // Fake root
}
WRAPPER_DEF(getuid)