X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Flogind-user.c;h=9bbe879571e4c838214478e77e64e24dcdf9f0f3;hp=0e46560d3f3d3d61a9351ded2ef15ec88ea4cfe4;hb=1c231f56482546725c4dbd3303f70300bd3c63e9;hpb=eb53c37e2eb1ff9e2dbf370985dd53c62a98fa66
diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index 0e46560d3..9bbe87957 100644
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -19,6 +19,7 @@
along with systemd; If not, see .
***/
+#include
#include
#include
#include
@@ -28,10 +29,12 @@
#include "hashmap.h"
#include "strv.h"
#include "fileio.h"
+#include "path-util.h"
#include "special.h"
#include "unit-name.h"
#include "bus-util.h"
#include "bus-error.h"
+#include "conf-parser.h"
#include "logind-user.h"
User* user_new(Manager *m, uid_t uid, gid_t gid, const char *name) {
@@ -145,10 +148,10 @@ int user_save(User *u) {
if (dual_timestamp_is_set(&u->timestamp))
fprintf(f,
- "REALTIME=%llu\n"
- "MONOTONIC=%llu\n",
- (unsigned long long) u->timestamp.realtime,
- (unsigned long long) u->timestamp.monotonic);
+ "REALTIME="USEC_FMT"\n"
+ "MONOTONIC="USEC_FMT"\n",
+ u->timestamp.realtime,
+ u->timestamp.monotonic);
if (u->sessions) {
Session *i;
@@ -247,7 +250,7 @@ int user_save(User *u) {
finish:
if (r < 0)
- log_error("Failed to save user data for %s: %s", u->name, strerror(-r));
+ log_error("Failed to save user data %s: %s", u->state_file, strerror(-r));
return r;
}
@@ -311,21 +314,35 @@ static int user_mkdir_runtime_path(User *u) {
}
if (!u->runtime_path) {
- if (asprintf(&p, "/run/user/%lu", (unsigned long) u->uid) < 0)
+ if (asprintf(&p, "/run/user/" UID_FMT, u->uid) < 0)
return log_oom();
} else
p = u->runtime_path;
- r = mkdir_safe_label(p, 0700, u->uid, u->gid);
- if (r < 0) {
- log_error("Failed to create runtime directory %s: %s", p, strerror(-r));
- free(p);
- u->runtime_path = NULL;
- return r;
+ if (path_is_mount_point(p, false) <= 0) {
+ _cleanup_free_ char *t = NULL;
+
+ mkdir(p, 0700);
+
+ if (asprintf(&t, "mode=0700,uid=" UID_FMT ",gid=" GID_FMT ",size=%zu", u->uid, u->gid, u->manager->runtime_dir_size) < 0) {
+ r = log_oom();
+ goto fail;
+ }
+
+ r = mount("tmpfs", p, "tmpfs", MS_NODEV|MS_NOSUID, t);
+ if (r < 0) {
+ log_error("Failed to mount per-user tmpfs directory %s: %s", p, strerror(-r));
+ goto fail;
+ }
}
u->runtime_path = p;
return 0;
+
+fail:
+ free(p);
+ u->runtime_path = NULL;
+ return r;
}
static int user_start_slice(User *u) {
@@ -484,6 +501,13 @@ static int user_remove_runtime_path(User *u) {
if (!u->runtime_path)
return 0;
+ r = rm_rf(u->runtime_path, false, false, false);
+ if (r < 0)
+ log_error("Failed to remove runtime directory %s: %s", u->runtime_path, strerror(-r));
+
+ if (umount2(u->runtime_path, MNT_DETACH) < 0)
+ log_error("Failed to unmount user runtime directory %s: %m", u->runtime_path);
+
r = rm_rf(u->runtime_path, false, true, false);
if (r < 0)
log_error("Failed to remove runtime directory %s: %s", u->runtime_path, strerror(-r));
@@ -494,13 +518,19 @@ static int user_remove_runtime_path(User *u) {
return r;
}
-int user_stop(User *u) {
+int user_stop(User *u, bool force) {
Session *s;
int r = 0, k;
assert(u);
+ /* Stop jobs have already been queued */
+ if (u->stopping) {
+ user_save(u);
+ return r;
+ }
+
LIST_FOREACH(sessions_by_user, s, u->sessions) {
- k = session_stop(s);
+ k = session_stop(s, force);
if (k < 0)
r = k;
}
@@ -515,6 +545,8 @@ int user_stop(User *u) {
if (k < 0)
r = k;
+ u->stopping = true;
+
user_save(u);
return r;
@@ -633,22 +665,30 @@ void user_add_to_gc_queue(User *u) {
UserState user_get_state(User *u) {
Session *i;
- bool all_closing = true;
assert(u);
+ if (u->stopping)
+ return USER_CLOSING;
+
if (u->slice_job || u->service_job)
return USER_OPENING;
- LIST_FOREACH(sessions_by_user, i, u->sessions) {
- if (session_is_active(i))
- return USER_ACTIVE;
- if (session_get_state(i) != SESSION_CLOSING)
- all_closing = false;
- }
+ if (u->sessions) {
+ bool all_closing = true;
+
+ LIST_FOREACH(sessions_by_user, i, u->sessions) {
+ SessionState state;
+
+ state = session_get_state(i);
+ if (state == SESSION_ACTIVE)
+ return USER_ACTIVE;
+ if (state != SESSION_CLOSING)
+ all_closing = false;
+ }
- if (u->sessions)
return all_closing ? USER_CLOSING : USER_ONLINE;
+ }
if (user_check_linger_file(u) > 0)
return USER_LINGERING;
@@ -675,3 +715,57 @@ static const char* const user_state_table[_USER_STATE_MAX] = {
};
DEFINE_STRING_TABLE_LOOKUP(user_state, UserState);
+
+int config_parse_tmpfs_size(
+ const char* unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ size_t *sz = data;
+ const char *e;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ e = endswith(rvalue, "%");
+ if (e) {
+ unsigned long ul;
+ char *f;
+
+ errno = 0;
+ ul = strtoul(rvalue, &f, 10);
+ if (errno != 0 || f != e) {
+ log_syntax(unit, LOG_ERR, filename, line, errno ? errno : EINVAL, "Failed to parse percentage value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (ul <= 0 || ul >= 100) {
+ log_syntax(unit, LOG_ERR, filename, line, errno ? errno : EINVAL, "Percentage value out of range, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ *sz = PAGE_ALIGN((size_t) ((physical_memory() * (uint64_t) ul) / (uint64_t) 100));
+ } else {
+ off_t o;
+
+ r = parse_size(rvalue, 1024, &o);
+ if (r < 0 || (off_t) (size_t) o != o) {
+ log_syntax(unit, LOG_ERR, filename, line, r < 0 ? -r : ERANGE, "Failed to parse size value, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ *sz = PAGE_ALIGN((size_t) o);
+ }
+
+ return 0;
+}