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Set permissions on temporary build directories to 0700 

Fixes #39.
This commit is contained in:
Eelco Dolstra 2012-07-26 15:04:40 -04:00
parent 2605f4f4e6
commit 3a4623afbb
3 changed files with 5 additions and 4 deletions
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3
src/libstore/build.cc
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@ -1527,7 +1527,7 @@ void DerivationGoal::startBuilder()
/* Create a temporary directory where the build will take /* Create a temporary directory where the build will take
place. */ place. */
tmpDir = createTempDir("", "nix-build-" + baseNameOf(drvPath), false, false); tmpDir = createTempDir("", "nix-build-" + baseNameOf(drvPath), false, false, 0700);
/* For convenience, set an environment pointing to the top build /* For convenience, set an environment pointing to the top build
directory. */ directory. */
@ -2178,6 +2178,7 @@ void DerivationGoal::deleteTmpDir(bool force)
% drvPath % tmpDir); % drvPath % tmpDir);
if (buildUser.enabled() && !amPrivileged()) if (buildUser.enabled() && !amPrivileged())
getOwnership(tmpDir); getOwnership(tmpDir);
chmod(tmpDir.c_str(), 0755);
} }
else else
deletePathWrapped(tmpDir); deletePathWrapped(tmpDir);

4
src/libutil/util.cc
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@ -380,7 +380,7 @@ static Path tempName(Path tmpRoot, const Path & prefix, bool includePid,
Path createTempDir(const Path & tmpRoot, const Path & prefix, Path createTempDir(const Path & tmpRoot, const Path & prefix,
bool includePid, bool useGlobalCounter) bool includePid, bool useGlobalCounter, mode_t mode)
{ {
static int globalCounter = 0; static int globalCounter = 0;
int localCounter = 0; int localCounter = 0;
@ -389,7 +389,7 @@ Path createTempDir(const Path & tmpRoot, const Path & prefix,
while (1) { while (1) {
checkInterrupt(); checkInterrupt();
Path tmpDir = tempName(tmpRoot, prefix, includePid, counter); Path tmpDir = tempName(tmpRoot, prefix, includePid, counter);
if (mkdir(tmpDir.c_str(), 0777) == 0) { if (mkdir(tmpDir.c_str(), mode) == 0) {
/* Explicitly set the group of the directory. This is to /* Explicitly set the group of the directory. This is to
work around around problems caused by BSD's group work around around problems caused by BSD's group
ownership semantics (directories inherit the group of ownership semantics (directories inherit the group of

2
src/libutil/util.hh
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@ -88,7 +88,7 @@ void makePathReadOnly(const Path & path);
/* Create a temporary directory. */ /* Create a temporary directory. */
Path createTempDir(const Path & tmpRoot = "", const Path & prefix = "nix", Path createTempDir(const Path & tmpRoot = "", const Path & prefix = "nix",
bool includePid = true, bool useGlobalCounter = true); bool includePid = true, bool useGlobalCounter = true, mode_t mode = 0755);
/* Create a directory and all its parents, if necessary. Returns the /* Create a directory and all its parents, if necessary. Returns the
list of created directories, in order of creation. */ list of created directories, in order of creation. */