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-rw-r--r--src/libstore/build.cc18
-rw-r--r--src/libstore/gc.cc5
-rw-r--r--src/libstore/globals.cc9
-rw-r--r--src/libstore/globals.hh3
-rw-r--r--src/libstore/local-store.cc116
-rw-r--r--src/libstore/local-store.hh4
-rw-r--r--src/libstore/optimise-store.cc2
-rw-r--r--src/libstore/remote-store.cc2
-rw-r--r--src/libstore/worker-protocol.hh8
9 files changed, 55 insertions, 112 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index 73223bc1a..75802c324 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -43,12 +43,6 @@
#include <sched.h>
#endif
-/* In GNU libc 2.11, <sys/mount.h> does not define `MS_PRIVATE', but
- <linux/fs.h> does. */
-#if !defined MS_PRIVATE && defined HAVE_LINUX_FS_H
-#include <linux/fs.h>
-#endif
-
#define CHROOT_ENABLED HAVE_CHROOT && HAVE_UNSHARE && HAVE_SYS_MOUNT_H && defined(MS_BIND) && defined(MS_PRIVATE) && defined(CLONE_NEWNS)
#if CHROOT_ENABLED
@@ -2287,7 +2281,7 @@ void DerivationGoal::computeClosure()
}
/* Get rid of all weird permissions. */
- canonicalisePathMetaData(path, buildUser.enabled() ? buildUser.getUID() : -1);
+ canonicalisePathMetaData(path);
/* For this output path, find the references to other paths
contained in it. Compute the SHA-256 NAR hash at the same
@@ -2349,15 +2343,13 @@ Path DerivationGoal::openLogFile()
{
if (!settings.keepLog) return "";
- string baseName = baseNameOf(drvPath);
-
/* Create a log file. */
- Path dir = (format("%1%/%2%/%3%/") % settings.nixLogDir % drvsLogDir % string(baseName, 0, 2)).str();
+ Path dir = (format("%1%/%2%") % settings.nixLogDir % drvsLogDir).str();
createDirs(dir);
if (settings.compressLog) {
- Path logFileName = (format("%1%/%2%.bz2") % dir % string(baseName, 2)).str();
+ Path logFileName = (format("%1%/%2%.bz2") % dir % baseNameOf(drvPath)).str();
AutoCloseFD fd = open(logFileName.c_str(), O_CREAT | O_WRONLY | O_TRUNC, 0666);
if (fd == -1) throw SysError(format("creating log file `%1%'") % logFileName);
closeOnExec(fd);
@@ -2372,7 +2364,7 @@ Path DerivationGoal::openLogFile()
return logFileName;
} else {
- Path logFileName = (format("%1%/%2%") % dir % string(baseName, 2)).str();
+ Path logFileName = (format("%1%/%2%") % dir % baseNameOf(drvPath)).str();
fdLogFile = open(logFileName.c_str(), O_CREAT | O_WRONLY | O_TRUNC, 0666);
if (fdLogFile == -1) throw SysError(format("creating log file `%1%'") % logFileName);
closeOnExec(fdLogFile);
@@ -2839,7 +2831,7 @@ void SubstitutionGoal::finished()
return;
}
- canonicalisePathMetaData(destPath, -1);
+ canonicalisePathMetaData(destPath);
worker.store.optimisePath(destPath); // FIXME: combine with hashPath()
diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index 113a7da15..a6b1a35e7 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -659,10 +659,7 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
increase, since we hold locks on everything. So everything
that is not reachable from `roots'. */
- if (state.shouldDelete) {
- if (pathExists(state.trashDir)) deleteGarbage(state, state.trashDir);
- createDirs(state.trashDir);
- }
+ if (state.shouldDelete) createDirs(state.trashDir);
/* Now either delete all garbage paths, or just the specified
paths (for gcDeleteSpecific). */
diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index b5a2a20be..596d4774c 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -10,14 +10,6 @@
namespace nix {
-/* The default location of the daemon socket, relative to nixStateDir.
- The socket is in a directory to allow you to control access to the
- Nix daemon by setting the mode/ownership of the directory
- appropriately. (This wouldn't work on the socket itself since it
- must be deleted and recreated on startup.) */
-#define DEFAULT_SOCKET_PATH "/daemon-socket/socket"
-
-
Settings settings;
@@ -66,7 +58,6 @@ void Settings::processEnvironment()
nixConfDir = canonPath(getEnv("NIX_CONF_DIR", NIX_CONF_DIR));
nixLibexecDir = canonPath(getEnv("NIX_LIBEXEC_DIR", NIX_LIBEXEC_DIR));
nixBinDir = canonPath(getEnv("NIX_BIN_DIR", NIX_BIN_DIR));
- nixDaemonSocketFile = canonPath(nixStateDir + DEFAULT_SOCKET_PATH);
string subs = getEnv("NIX_SUBSTITUTERS", "default");
if (subs == "default") {
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index f129d9a11..be287698c 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -50,9 +50,6 @@ struct Settings {
/* The directory where the main programs are stored. */
Path nixBinDir;
- /* File name of the socket the daemon listens to. */
- Path nixDaemonSocketFile;
-
/* Whether to keep temporary directories of failed builds. */
bool keepFailed;
diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index 4b8203efe..333feb2a5 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -47,11 +47,7 @@ static void throwSQLiteError(sqlite3 * db, const format & f)
{
int err = sqlite3_errcode(db);
if (err == SQLITE_BUSY) {
- static bool warned = false;
- if (!warned) {
- printMsg(lvlError, "warning: SQLite database is busy");
- warned = true;
- }
+ printMsg(lvlError, "warning: SQLite database is busy");
/* Sleep for a while since retrying the transaction right away
is likely to fail again. */
#if HAVE_NANOSLEEP
@@ -465,8 +461,36 @@ void LocalStore::makeStoreWritable()
const time_t mtimeStore = 1; /* 1 second into the epoch */
-static void canonicaliseTimestampAndPermissions(const Path & path, const struct stat & st)
+void canonicalisePathMetaData(const Path & path, bool recurse)
{
+ checkInterrupt();
+
+ struct stat st;
+ if (lstat(path.c_str(), &st))
+ throw SysError(format("getting attributes of path `%1%'") % path);
+
+ /* Really make sure that the path is of a supported type. This
+ has already been checked in dumpPath(). */
+ assert(S_ISREG(st.st_mode) || S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode));
+
+ /* Change ownership to the current uid. If it's a symlink, use
+ lchown if available, otherwise don't bother. Wrong ownership
+ of a symlink doesn't matter, since the owning user can't change
+ the symlink and can't delete it because the directory is not
+ writable. The only exception is top-level paths in the Nix
+ store (since that directory is group-writable for the Nix build
+ users group); we check for this case below. */
+ if (st.st_uid != geteuid()) {
+#if HAVE_LCHOWN
+ if (lchown(path.c_str(), geteuid(), (gid_t) -1) == -1)
+#else
+ if (!S_ISLNK(st.st_mode) &&
+ chown(path.c_str(), geteuid(), (gid_t) -1) == -1)
+#endif
+ throw SysError(format("changing owner of `%1%' to %2%")
+ % path % geteuid());
+ }
+
if (!S_ISLNK(st.st_mode)) {
/* Mask out all type related bits. */
@@ -497,84 +521,18 @@ static void canonicaliseTimestampAndPermissions(const Path & path, const struct
#endif
throw SysError(format("changing modification time of `%1%'") % path);
}
-}
-
-
-void canonicaliseTimestampAndPermissions(const Path & path)
-{
- struct stat st;
- if (lstat(path.c_str(), &st))
- throw SysError(format("getting attributes of path `%1%'") % path);
- canonicaliseTimestampAndPermissions(path, st);
-}
-
-
-typedef std::pair<dev_t, ino_t> Inode;
-typedef set<Inode> InodesSeen;
-
-static void canonicalisePathMetaData_(const Path & path, uid_t fromUid, InodesSeen & inodesSeen)
-{
- checkInterrupt();
-
- struct stat st;
- if (lstat(path.c_str(), &st))
- throw SysError(format("getting attributes of path `%1%'") % path);
-
- /* Really make sure that the path is of a supported type. This
- has already been checked in dumpPath(). */
- assert(S_ISREG(st.st_mode) || S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode));
-
- /* Fail if the file is not owned by the build user. This prevents
- us from messing up the ownership/permissions of files
- hard-linked into the output (e.g. "ln /etc/shadow $out/foo").
- However, ignore files that we chown'ed ourselves previously to
- ensure that we don't fail on hard links within the same build
- (i.e. "touch $out/foo; ln $out/foo $out/bar"). */
- if (fromUid != (uid_t) -1 && st.st_uid != fromUid) {
- assert(!S_ISDIR(st.st_mode));
- if (inodesSeen.find(Inode(st.st_dev, st.st_ino)) == inodesSeen.end())
- throw BuildError(format("invalid ownership on file `%1%'") % path);
- mode_t mode = st.st_mode & ~S_IFMT;
- assert(S_ISLNK(st.st_mode) || (st.st_uid == geteuid() && (mode == 0444 || mode == 0555) && st.st_mtime == mtimeStore));
- return;
- }
-
- inodesSeen.insert(Inode(st.st_dev, st.st_ino));
-
- canonicaliseTimestampAndPermissions(path, st);
-
- /* Change ownership to the current uid. If it's a symlink, use
- lchown if available, otherwise don't bother. Wrong ownership
- of a symlink doesn't matter, since the owning user can't change
- the symlink and can't delete it because the directory is not
- writable. The only exception is top-level paths in the Nix
- store (since that directory is group-writable for the Nix build
- users group); we check for this case below. */
- if (st.st_uid != geteuid()) {
-#if HAVE_LCHOWN
- if (lchown(path.c_str(), geteuid(), (gid_t) -1) == -1)
-#else
- if (!S_ISLNK(st.st_mode) &&
- chown(path.c_str(), geteuid(), (gid_t) -1) == -1)
-#endif
- throw SysError(format("changing owner of `%1%' to %2%")
- % path % geteuid());
- }
-
- if (S_ISDIR(st.st_mode)) {
+ if (recurse && S_ISDIR(st.st_mode)) {
Strings names = readDirectory(path);
foreach (Strings::iterator, i, names)
- canonicalisePathMetaData_(path + "/" + *i, fromUid, inodesSeen);
+ canonicalisePathMetaData(path + "/" + *i, true);
}
}
-void canonicalisePathMetaData(const Path & path, uid_t fromUid)
+void canonicalisePathMetaData(const Path & path)
{
- InodesSeen inodesSeen;
-
- canonicalisePathMetaData_(path, fromUid, inodesSeen);
+ canonicalisePathMetaData(path, true);
/* On platforms that don't have lchown(), the top-level path can't
be a symlink, since we can't change its ownership. */
@@ -1236,7 +1194,7 @@ Path LocalStore::addToStoreFromDump(const string & dump, const string & name,
} else
writeFile(dstPath, dump);
- canonicalisePathMetaData(dstPath, -1);
+ canonicalisePathMetaData(dstPath);
/* Register the SHA-256 hash of the NAR serialisation of
the path in the database. We may just have computed it
@@ -1301,7 +1259,7 @@ Path LocalStore::addTextToStore(const string & name, const string & s,
writeFile(dstPath, s);
- canonicalisePathMetaData(dstPath, -1);
+ canonicalisePathMetaData(dstPath);
HashResult hash = hashPath(htSHA256, dstPath);
@@ -1536,7 +1494,7 @@ Path LocalStore::importPath(bool requireSignature, Source & source)
throw SysError(format("cannot move `%1%' to `%2%'")
% unpacked % dstPath);
- canonicalisePathMetaData(dstPath, -1);
+ canonicalisePathMetaData(dstPath);
/* !!! if we were clever, we could prevent the hashPath()
here. */
diff --git a/src/libstore/local-store.hh b/src/libstore/local-store.hh
index 14a826b3a..2b0d71380 100644
--- a/src/libstore/local-store.hh
+++ b/src/libstore/local-store.hh
@@ -307,9 +307,9 @@ private:
without execute permission; setuid bits etc. are cleared)
- the owner and group are set to the Nix user and group, if we're
in a setuid Nix installation. */
-void canonicalisePathMetaData(const Path & path, uid_t fromUid);
+void canonicalisePathMetaData(const Path & path);
-void canonicaliseTimestampAndPermissions(const Path & path);
+void canonicalisePathMetaData(const Path & path, bool recurse);
MakeError(PathInUse, Error);
diff --git a/src/libstore/optimise-store.cc b/src/libstore/optimise-store.cc
index d833f3aa0..e91c2b1ce 100644
--- a/src/libstore/optimise-store.cc
+++ b/src/libstore/optimise-store.cc
@@ -32,7 +32,7 @@ struct MakeReadOnly
{
try {
/* This will make the path read-only. */
- if (path != "") canonicaliseTimestampAndPermissions(path);
+ if (path != "") canonicalisePathMetaData(path, false);
} catch (...) {
ignoreException();
}
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 2b5a93213..0e62914c0 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -91,7 +91,7 @@ void RemoteStore::connectToDaemon()
throw SysError("cannot create Unix domain socket");
closeOnExec(fdSocket);
- string socketPath = settings.nixDaemonSocketFile;
+ string socketPath = settings.nixStateDir + DEFAULT_SOCKET_PATH;
/* Urgh, sockaddr_un allows path names of only 108 characters. So
chdir to the socket directory so that we can pass a relative
diff --git a/src/libstore/worker-protocol.hh b/src/libstore/worker-protocol.hh
index 07f825b92..46035f457 100644
--- a/src/libstore/worker-protocol.hh
+++ b/src/libstore/worker-protocol.hh
@@ -53,6 +53,14 @@ typedef enum {
#define STDERR_ERROR 0x63787470
+/* The default location of the daemon socket, relative to nixStateDir.
+ The socket is in a directory to allow you to control access to the
+ Nix daemon by setting the mode/ownership of the directory
+ appropriately. (This wouldn't work on the socket itself since it
+ must be deleted and recreated on startup.) */
+#define DEFAULT_SOCKET_PATH "/daemon-socket/socket"
+
+
Path readStorePath(Source & from);
template<class T> T readStorePaths(Source & from);