chiark / gitweb /
pkgconfig: update .pc file accordingly
[elogind.git] / src / manager.c
index 6ccb03fab45b58fbe5687c9c4e35a2aa1cf0ea81..9fc854b66104216ff5eea996960f007137208b60 100644 (file)
@@ -66,7 +66,7 @@
 #define GC_QUEUE_USEC_MAX (10*USEC_PER_SEC)
 
 /* Where clients shall send notification messages to */
-#define NOTIFY_SOCKET_SYSTEM "/dev/.run/systemd/notify"
+#define NOTIFY_SOCKET_SYSTEM "/run/systemd/notify"
 #define NOTIFY_SOCKET_USER "@/org/freedesktop/systemd1/notify"
 
 static int manager_setup_notify(Manager *m) {
@@ -90,8 +90,10 @@ static int manager_setup_notify(Manager *m) {
 
         if (getpid() != 1)
                 snprintf(sa.un.sun_path, sizeof(sa.un.sun_path), NOTIFY_SOCKET_USER "/%llu", random_ull());
-        else
+        else {
+                unlink(NOTIFY_SOCKET_SYSTEM);
                 strncpy(sa.un.sun_path, NOTIFY_SOCKET_SYSTEM, sizeof(sa.un.sun_path));
+        }
 
         if (sa.un.sun_path[0] == '@')
                 sa.un.sun_path[0] = 0;
@@ -125,7 +127,7 @@ static int manager_setup_notify(Manager *m) {
 }
 
 static int enable_special_signals(Manager *m) {
-        char fd;
+        int fd;
 
         assert(m);
 
@@ -276,6 +278,8 @@ int manager_new(ManagerRunningAs running_as, Manager **_m) {
                 log_error("Failed to connect to audit log: %m");
 #endif
 
+        m->taint_usr = dir_is_empty("/usr") > 0;
+
         *_m = m;
         return 0;
 
@@ -2055,6 +2059,8 @@ static int manager_process_signal_fd(Manager *m) {
         assert(m);
 
         for (;;) {
+                char *p = NULL;
+
                 if ((n = read(m->signal_watch.fd, &sfsi, sizeof(sfsi))) != sizeof(sfsi)) {
 
                         if (n >= 0)
@@ -2066,7 +2072,13 @@ static int manager_process_signal_fd(Manager *m) {
                         return -errno;
                 }
 
-                log_debug("Received SIG%s", strna(signal_to_string(sfsi.ssi_signo)));
+                if (sfsi.ssi_pid > 0)
+                        get_process_name(sfsi.ssi_pid, &p);
+
+                log_debug("Received SIG%s from PID %lu (%s)",
+                          strna(signal_to_string(sfsi.ssi_signo)),
+                          (unsigned long) sfsi.ssi_pid, strna(p));
+                free(p);
 
                 switch (sfsi.ssi_signo) {
 
@@ -2316,7 +2328,7 @@ static int process_event(Manager *m, struct epoll_event *ev) {
 int manager_loop(Manager *m) {
         int r;
 
-        RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 1000);
+        RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 50000);
 
         assert(m);
         m->exit_code = MANAGER_RUNNING;
@@ -2441,13 +2453,30 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
         if (m->n_deserializing > 0)
                 return;
 
+        if (m->running_as != MANAGER_SYSTEM)
+                return;
+
+        if (u->meta.type != UNIT_SERVICE)
+                return;
+
         if (!(p = unit_name_to_prefix_and_instance(u->meta.id))) {
                 log_error("Failed to allocate unit name for audit message: %s", strerror(ENOMEM));
                 return;
         }
 
-        if (audit_log_user_comm_message(m->audit_fd, type, "", p, NULL, NULL, NULL, success) < 0)
-                log_error("Failed to send audit message: %m");
+        if (audit_log_user_comm_message(m->audit_fd, type, "", p, NULL, NULL, NULL, success) < 0) {
+                log_warning("Failed to send audit message: %m");
+
+                if (errno == EPERM) {
+                        /* We aren't allowed to send audit messages?
+                         * Then let's not retry again, to avoid
+                         * spamming the user with the same and same
+                         * messages over and over. */
+
+                        audit_close(m->audit_fd);
+                        m->audit_fd = -1;
+                }
+        }
 
         free(p);
 #endif
@@ -2565,7 +2594,7 @@ int manager_open_serialization(Manager *m, FILE **_f) {
         assert(_f);
 
         if (m->running_as == MANAGER_SYSTEM)
-                asprintf(&path, "/dev/.run/systemd/dump-%lu-XXXXXX", (unsigned long) getpid());
+                asprintf(&path, "/run/systemd/dump-%lu-XXXXXX", (unsigned long) getpid());
         else
                 asprintf(&path, "/tmp/systemd-dump-%lu-XXXXXX", (unsigned long) getpid());
 
@@ -2586,7 +2615,7 @@ int manager_open_serialization(Manager *m, FILE **_f) {
         log_debug("Serializing state to %s", path);
         free(path);
 
-        if (!(f = fdopen(fd, "w+")) < 0)
+        if (!(f = fdopen(fd, "w+")))
                 return -errno;
 
         *_f = f;
@@ -2822,7 +2851,8 @@ void manager_check_finished(Manager *m) {
 
         dual_timestamp_get(&m->finish_timestamp);
 
-        if (m->running_as == MANAGER_SYSTEM) {
+        if (m->running_as == MANAGER_SYSTEM && detect_container(NULL) <= 0) {
+
                 if (dual_timestamp_is_set(&m->initrd_timestamp)) {
                         log_info("Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.",
                                  format_timespan(kernel, sizeof(kernel),
@@ -2867,7 +2897,7 @@ void manager_run_generators(Manager *m) {
 
         if (!m->generator_unit_path) {
                 char *p;
-                char system_path[] = "/dev/.run/systemd/generator-XXXXXX",
+                char system_path[] = "/run/systemd/generator-XXXXXX",
                         user_path[] = "/tmp/systemd-generator-XXXXXX";
 
                 if (!(p = mkdtemp(m->running_as == MANAGER_SYSTEM ? system_path : user_path))) {
@@ -2943,6 +2973,47 @@ int manager_set_default_controllers(Manager *m, char **controllers) {
         return 0;
 }
 
+void manager_recheck_syslog(Manager *m) {
+        Unit *u;
+
+        assert(m);
+
+        if (m->running_as != MANAGER_SYSTEM)
+                return;
+
+        if ((u = manager_get_unit(m, SPECIAL_SYSLOG_SOCKET))) {
+                SocketState state;
+
+                state = SOCKET(u)->state;
+
+                if (state != SOCKET_DEAD &&
+                    state != SOCKET_FAILED &&
+                    state != SOCKET_RUNNING) {
+
+                        /* Hmm, the socket is not set up, or is still
+                         * listening, let's better not try to use
+                         * it. Note that we have no problem if the
+                         * socket is completely down, since there
+                         * might be a foreign /dev/log socket around
+                         * and we want to make use of that.
+                         */
+
+                        log_close_syslog();
+                        return;
+                }
+        }
+
+        if ((u = manager_get_unit(m, SPECIAL_SYSLOG_TARGET)))
+                if (TARGET(u)->state != TARGET_ACTIVE) {
+                        log_close_syslog();
+                        return;
+                }
+
+        /* Hmm, OK, so the socket is either fully up, or fully down,
+         * and the target is up, then let's make use of the socket */
+        log_open();
+}
+
 static const char* const manager_running_as_table[_MANAGER_RUNNING_AS_MAX] = {
         [MANAGER_SYSTEM] = "system",
         [MANAGER_USER] = "user"