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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-08-18 23:19:10 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-08-18 23:34:40 -0400
commit61755fdae08fffd72229feb52af74a85a9e0c8f7 (patch)
treec8b14de32bafcc7245ad10891681f42dd39d8069 /src/core
parent986a34a6834795f1a2d25bcffbe67debf9bbd6b2 (diff)
journald: do not create split journals for dynamic users
Dynamic users should be treated like system users, and their logs should end up in the main system journal.
Diffstat (limited to 'src/core')
-rw-r--r--src/core/dynamic-user.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/src/core/dynamic-user.c b/src/core/dynamic-user.c
index 53c1699b92..310aaa94e1 100644
--- a/src/core/dynamic-user.c
+++ b/src/core/dynamic-user.c
@@ -31,14 +31,8 @@
#include "user-util.h"
#include "fileio.h"
-/* Let's pick a UIDs within the 16bit range, so that we are compatible with containers using 16bit user namespacing. At
- * least on Fedora normal users are allocated until UID 60000, hence do not allocate from below this. Also stay away
- * from the upper end of the range as that is often used for overflow/nobody users. */
-#define UID_PICK_MIN ((uid_t) UINT32_C(0x0000EF00))
-#define UID_PICK_MAX ((uid_t) UINT32_C(0x0000FFEF))
-
/* Takes a value generated randomly or by hashing and turns it into a UID in the right range */
-#define UID_CLAMP_INTO_RANGE(rnd) (((uid_t) (rnd) % (UID_PICK_MAX - UID_PICK_MIN + 1)) + UID_PICK_MIN)
+#define UID_CLAMP_INTO_RANGE(rnd) (((uid_t) (rnd) % (DYNAMIC_UID_MAX - DYNAMIC_UID_MIN + 1)) + DYNAMIC_UID_MIN)
static DynamicUser* dynamic_user_free(DynamicUser *d) {
if (!d)
@@ -214,7 +208,7 @@ static int pick_uid(const char *name, uid_t *ret_uid) {
if (--n_tries <= 0) /* Give up retrying eventually */
return -EBUSY;
- if (candidate < UID_PICK_MIN || candidate > UID_PICK_MAX)
+ if (!uid_is_dynamic(candidate))
goto next;
xsprintf(lock_path, "/run/systemd/dynamic-uid/" UID_FMT, candidate);
@@ -676,11 +670,8 @@ int dynamic_user_lookup_uid(Manager *m, uid_t uid, char **ret) {
assert(m);
assert(ret);
- /* A friendly way to translate a dynamic user's UID into a his name. */
-
- if (uid < UID_PICK_MIN)
- return -ESRCH;
- if (uid > UID_PICK_MAX)
+ /* A friendly way to translate a dynamic user's UID into a name. */
+ if (!uid_is_dynamic(uid))
return -ESRCH;
xsprintf(lock_path, "/run/systemd/dynamic-uid/" UID_FMT, uid);