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Set permissions on temporary build directories to 0700

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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
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
directory. */
@ -2178,6 +2178,7 @@ void DerivationGoal::deleteTmpDir(bool force)
% drvPath % tmpDir);
if (buildUser.enabled() && !amPrivileged())
getOwnership(tmpDir);
chmod(tmpDir.c_str(), 0755);
}
else
deletePathWrapped(tmpDir);

4
src/libutil/util.cc
View file

@ -380,7 +380,7 @@ static Path tempName(Path tmpRoot, const Path & prefix, bool includePid,
Path createTempDir(const Path & tmpRoot, const Path & prefix,
bool includePid, bool useGlobalCounter)
bool includePid, bool useGlobalCounter, mode_t mode)
{
static int globalCounter = 0;
int localCounter = 0;
@ -389,7 +389,7 @@ Path createTempDir(const Path & tmpRoot, const Path & prefix,
while (1) {
checkInterrupt();
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
work around around problems caused by BSD's group
ownership semantics (directories inherit the group of

2
src/libutil/util.hh
View file

@ -88,7 +88,7 @@ void makePathReadOnly(const Path & path);
/* Create a temporary directory. */
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
list of created directories, in order of creation. */