X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Flogind-user.c;h=987244e27ec1f2cfd5e55e699ca0376dce8ae0a9;hp=738e69ccede5be4acbda32d3dc18e5d52eb0bbec;hb=1b99ea27bc3ffa1fc6f7cfe89563d891a9aed4c5;hpb=25387573767909c96090ad22cccafc72c16542d7

diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index 738e69cce..987244e27 100644
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -36,10 +36,9 @@
 #include "bus-error.h"
 #include "conf-parser.h"
 #include "clean-ipc.h"
+#include "logind-user.h"
 #include "smack-util.h"
 #include "formats-util.h"
-#include "label.h"
-#include "logind-user.h"
 
 User* user_new(Manager *m, uid_t uid, gid_t gid, const char *name) {
         User *u;
@@ -119,11 +118,11 @@ int user_save(User *u) {
 
         r = mkdir_safe_label("/run/systemd/users", 0755, 0, 0);
         if (r < 0)
-                goto finish;
+                goto fail;
 
         r = fopen_temporary(u->state_file, &f, &temp_path);
         if (r < 0)
-                goto finish;
+                goto fail;
 
         fchmod(fileno(f), 0644);
 
@@ -244,19 +243,24 @@ int user_save(User *u) {
                 fputc('\n', f);
         }
 
-        fflush(f);
+        r = fflush_and_check(f);
+        if (r < 0)
+                goto fail;
 
-        if (ferror(f) || rename(temp_path, u->state_file) < 0) {
+        if (rename(temp_path, u->state_file) < 0) {
                 r = -errno;
-                unlink(u->state_file);
-                unlink(temp_path);
+                goto fail;
         }
 
-finish:
-        if (r < 0)
-                log_error_errno(r, "Failed to save user data %s: %m", u->state_file);
+        return 0;
 
-        return r;
+fail:
+        (void) unlink(u->state_file);
+
+        if (temp_path)
+                (void) unlink(temp_path);
+
+        return log_error_errno(r, "Failed to save user data %s: %m", u->state_file);
 }
 
 int user_load(User *u) {
@@ -321,10 +325,10 @@ static int user_mkdir_runtime_path(User *u) {
         } else
                 p = u->runtime_path;
 
-        if (path_is_mount_point(p, 0) <= 0) {
+        if (path_is_mount_point(p, false) <= 0) {
                 _cleanup_free_ char *t = NULL;
 
-                (void) mkdir_label(p, 0700);
+                (void) mkdir(p, 0700);
 
                 if (mac_smack_use())
                         r = asprintf(&t, "mode=0700,smackfsroot=*,uid=" UID_FMT ",gid=" GID_FMT ",size=%zu", u->uid, u->gid, u->manager->runtime_dir_size);
@@ -352,10 +356,6 @@ static int user_mkdir_runtime_path(User *u) {
                                 goto fail;
                         }
                 }
-
-                r = label_fix(p, false, false);
-                if (r < 0)
-                        log_warning_errno(r, "Failed to fix label of '%s', ignoring: %m", p);
         }
 
         u->runtime_path = p;
@@ -624,7 +624,7 @@ int user_finalize(User *u) {
 int user_get_idle_hint(User *u, dual_timestamp *t) {
         Session *s;
         bool idle_hint = true;
-        dual_timestamp ts = DUAL_TIMESTAMP_NULL;
+        dual_timestamp ts = { 0, 0 };
 
         assert(u);
 
@@ -743,73 +743,54 @@ int user_kill(User *u, int signo) {
         return manager_kill_unit(u->manager, u->slice, KILL_ALL, signo, NULL);
 }
 
-static bool elect_display_filter(Session *s) {
-        /* Return true if the session is a candidate for the user’s ‘primary
-         * session’ or ‘display’. */
-        assert(s);
-
-        return (s->class == SESSION_USER && !s->stopping);
-}
-
-static int elect_display_compare(Session *s1, Session *s2) {
-        /* Indexed by SessionType. Lower numbers mean more preferred. */
-        const int type_ranks[_SESSION_TYPE_MAX] = {
-                [SESSION_UNSPECIFIED] = 0,
-                [SESSION_TTY] = -2,
-                [SESSION_X11] = -3,
-                [SESSION_WAYLAND] = -3,
-                [SESSION_MIR] = -3,
-                [SESSION_WEB] = -1,
-        };
-
-        /* Calculate the partial order relationship between s1 and s2,
-         * returning < 0 if s1 is preferred as the user’s ‘primary session’,
-         * 0 if s1 and s2 are equally preferred or incomparable, or > 0 if s2
-         * is preferred.
-         *
-         * s1 or s2 may be NULL. */
-        if (!s1 && !s2)
-                return 0;
-
-        if ((s1 == NULL) != (s2 == NULL))
-                return (s1 == NULL) - (s2 == NULL);
-
-        if (s1->stopping != s2->stopping)
-                return s1->stopping - s2->stopping;
-
-        if ((s1->class != SESSION_USER) != (s2->class != SESSION_USER))
-                return (s1->class != SESSION_USER) - (s2->class != SESSION_USER);
-
-        if ((s1->type == _SESSION_TYPE_INVALID) != (s2->type == _SESSION_TYPE_INVALID))
-                return (s1->type == _SESSION_TYPE_INVALID) - (s2->type == _SESSION_TYPE_INVALID);
-
-        if (s1->type != s2->type)
-                return type_ranks[s1->type] - type_ranks[s2->type];
-
-        return 0;
-}
-
 void user_elect_display(User *u) {
-        Session *s;
+        Session *graphical = NULL, *text = NULL, *other = NULL, *s;
 
         assert(u);
 
         /* This elects a primary session for each user, which we call
          * the "display". We try to keep the assignment stable, but we
          * "upgrade" to better choices. */
-        log_debug("Electing new display for user %s", u->name);
 
         LIST_FOREACH(sessions_by_user, s, u->sessions) {
-                if (!elect_display_filter(s)) {
-                        log_debug("Ignoring session %s", s->id);
+
+                if (s->class != SESSION_USER)
                         continue;
-                }
 
-                if (elect_display_compare(s, u->display) < 0) {
-                        log_debug("Choosing session %s in preference to %s", s->id, u->display ? u->display->id : "-");
-                        u->display = s;
-                }
+                if (s->stopping)
+                        continue;
+
+                if (SESSION_TYPE_IS_GRAPHICAL(s->type))
+                        graphical = s;
+                else if (s->type == SESSION_TTY)
+                        text = s;
+                else
+                        other = s;
+        }
+
+        if (graphical &&
+            (!u->display ||
+             u->display->class != SESSION_USER ||
+             u->display->stopping ||
+             !SESSION_TYPE_IS_GRAPHICAL(u->display->type))) {
+                u->display = graphical;
+                return;
         }
+
+        if (text &&
+            (!u->display ||
+             u->display->class != SESSION_USER ||
+             u->display->stopping ||
+             u->display->type != SESSION_TTY)) {
+                u->display = text;
+                return;
+        }
+
+        if (other &&
+            (!u->display ||
+             u->display->class != SESSION_USER ||
+             u->display->stopping))
+                u->display = other;
 }
 
 static const char* const user_state_table[_USER_STATE_MAX] = {