diff options
Diffstat (limited to 'src/login/logind-user.c')
| -rw-r--r-- | src/login/logind-user.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/src/login/logind-user.c b/src/login/logind-user.c index 348e396292..2dc5fa7665 100644 --- a/src/login/logind-user.c +++ b/src/login/logind-user.c @@ -26,6 +26,7 @@ #include "bus-common-errors.h" #include "bus-error.h" #include "bus-util.h" +#include "cgroup-util.h" #include "clean-ipc.h" #include "conf-parser.h" #include "escape.h" @@ -353,14 +354,12 @@ static int user_mkdir_runtime_path(User *u) { r = mount("tmpfs", u->runtime_path, "tmpfs", MS_NODEV|MS_NOSUID, t); if (r < 0) { - if (errno != EPERM) { + if (errno != EPERM && errno != EACCES) { r = log_error_errno(errno, "Failed to mount per-user tmpfs directory %s: %m", u->runtime_path); goto fail; } - /* Lacking permissions, maybe - * CAP_SYS_ADMIN-less container? In this case, - * just use a normal directory. */ + log_debug_errno(errno, "Failed to mount per-user tmpfs directory %s, assuming containerized execution, ignoring: %m", u->runtime_path); r = chmod_and_chown(u->runtime_path, 0700, u->uid, u->gid); if (r < 0) { @@ -612,9 +611,14 @@ int user_finalize(User *u) { if (k < 0) r = k; - /* Clean SysV + POSIX IPC objects */ - if (u->manager->remove_ipc) { - k = clean_ipc(u->uid); + /* Clean SysV + POSIX IPC objects, but only if this is not a system user. Background: in many setups cronjobs + * are run in full PAM and thus logind sessions, even if the code run doesn't belong to actual users but to + * system components. Since enable RemoveIPC= globally for all users, we need to be a bit careful with such + * cases, as we shouldn't accidentally remove a system service's IPC objects while it is running, just because + * a cronjob running as the same user just finished. Hence: exclude system users generally from IPC clean-up, + * and do it only for normal users. */ + if (u->manager->remove_ipc && u->uid > SYSTEM_UID_MAX) { + k = clean_ipc_by_uid(u->uid); if (k < 0) r = k; } @@ -891,9 +895,19 @@ int config_parse_user_tasks_max( assert(rvalue); assert(data); - /* First, try to parse as percentage */ + if (isempty(rvalue)) { + *m = system_tasks_max_scale(DEFAULT_USER_TASKS_MAX_PERCENTAGE, 100U); + return 0; + } + + if (streq(rvalue, "infinity")) { + *m = CGROUP_LIMIT_MAX; + return 0; + } + + /* Try to parse as percentage */ r = parse_percent(rvalue); - if (r > 0 && r < 100) + if (r >= 0) k = system_tasks_max_scale(r, 100U); else { |