service: use uppercase SYSV prefix to make it easier to recognize

[elogind.git] / src / systemctl.c

diff --git a/src/systemctl.c b/src/systemctl.c
index b33a89f63d76d9bd3ae05d28db2f5b35a75aca4d..23e659756f8e84fd75236d83295c7a2365749eec 100644 (file)
--- a/src/systemctl.c
+++ b/src/systemctl.c
@@ -112,6 +112,7 @@ static enum dot {
 static bool private_bus = false;
 
 static pid_t pager_pid = 0;
+static pid_t agent_pid = 0;
 
 static int daemon_reload(DBusConnection *bus, char **args, unsigned n);
 static void pager_open(void);
@@ -132,7 +133,10 @@ static bool on_tty(void) {
 }
 
 static void spawn_ask_password_agent(void) {
-        pid_t parent, child;
+        pid_t parent;
+
+        if (agent_pid > 0)
+                return;
 
         /* We check STDIN here, not STDOUT, since this is about input,
          * not output */
@@ -150,16 +154,11 @@ static void spawn_ask_password_agent(void) {
         /* Spawns a temporary TTY agent, making sure it goes away when
          * we go away */
 
-        if ((child = fork()) < 0)
+        if ((agent_pid = fork()) < 0)
                 return;
 
-        if (child == 0) {
+        if (agent_pid == 0) {
                 /* In the child */
-                const char * const args[] = {
-                        SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH,
-                        "--watch",
-                        NULL
-                };
 
                 int fd;
                 bool stdout_is_tty, stderr_is_tty;
@@ -202,7 +201,9 @@ static void spawn_ask_password_agent(void) {
                                 close(fd);
                 }
 
-                execv(args[0], (char **) args);
+                execl(SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH, SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH, "--watch", NULL);
+
+                log_error("Unable to execute agent: %m");
                 _exit(EXIT_FAILURE);
         }
 }
@@ -1248,7 +1249,7 @@ static int wait_for_jobs(DBusConnection *bus, Set *s) {
                         log_error("Job canceled.");
                 else if (streq(d.result, "dependency"))
                         log_error("A dependency job failed. See system logs for details.");
-                else if (!streq(d.result, "done"))
+                else if (!streq(d.result, "done") && !streq(d.result, "skipped"))
                         log_error("Job failed. See system logs and 'systemctl status' for details.");
         }
 
@@ -1256,7 +1257,7 @@ static int wait_for_jobs(DBusConnection *bus, Set *s) {
                 r = -ETIME;
         else if (streq_ptr(d.result, "canceled"))
                 r = -ECANCELED;
-        else if (!streq_ptr(d.result, "done"))
+        else if (!streq_ptr(d.result, "done") && !streq_ptr(d.result, "skipped"))
                 r = -EIO;
         else
                 r = 0;
@@ -1416,10 +1417,15 @@ static int start_unit(DBusConnection *bus, char **args, unsigned n) {
                         streq(args[0], "stop")                  ? "StopUnit" :
                         streq(args[0], "reload")                ? "ReloadUnit" :
                         streq(args[0], "restart")               ? "RestartUnit" :
+
                         streq(args[0], "try-restart")           ||
                         streq(args[0], "condrestart")           ? "TryRestartUnit" :
+
                         streq(args[0], "reload-or-restart")     ? "ReloadOrRestartUnit" :
+
                         streq(args[0], "reload-or-try-restart") ||
+                        streq(args[0], "condreload") ||
+
                         streq(args[0], "force-reload")          ? "ReloadOrTryRestartUnit" :
                                                                   "StartUnit";
 
@@ -2368,6 +2374,25 @@ static int print_property(const char *name, DBusMessageIter *iter) {
 
                         return 0;
 
+                } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) {
+                        DBusMessageIter sub, sub2;
+
+                        dbus_message_iter_recurse(iter, &sub);
+                        while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+                                const char *path;
+                                dbus_bool_t ignore;
+
+                                dbus_message_iter_recurse(&sub, &sub2);
+
+                                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 &&
+                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0)
+                                        printf("EnvironmentFile=%s (ignore=%s)\n", path, yes_no(ignore));
+
+                                dbus_message_iter_next(&sub);
+                        }
+
+                        return 0;
+
                 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
                         DBusMessageIter sub, sub2;
 
@@ -4047,7 +4072,7 @@ static int install_info_apply(const char *verb, LookupPaths *paths, InstallInfo
                                 argv[1] = file_name_from_path(sysv);
                                 argv[2] =
                                         streq(verb, "enable") ? "on" :
-                                        streq(verb, "disable") ? "off" : NULL;
+                                        streq(verb, "disable") ? "off" : "--level=3";
 
                                 log_info("Executing %s %s %s", argv[0], argv[1], strempty(argv[2]));
 
@@ -4066,10 +4091,15 @@ static int install_info_apply(const char *verb, LookupPaths *paths, InstallInfo
                                         return r;
 
                                 if (status.si_code == CLD_EXITED) {
-                                        if (status.si_status == 0 && (streq(verb, "enable") || streq(verb, "disable")))
+
+                                        if (streq(verb, "is-enabled"))
+                                                return status.si_status == 0 ? 1 : 0;
+
+                                        if (status.si_status == 0)
                                                 n_symlinks ++;
 
                                         return status.si_status == 0 ? 0 : -EINVAL;
+
                                 } else
                                         return -EPROTO;
                         }
@@ -4172,6 +4202,8 @@ static int enable_unit(DBusConnection *bus, char **args, unsigned n) {
                         goto finish;
                 }
 
+        r = 0;
+
         while ((i = hashmap_first(will_install))) {
                 int q;
 
@@ -5165,6 +5197,7 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError
                 { "reload-or-restart",     MORE,  2, start_unit        },
                 { "reload-or-try-restart", MORE,  2, start_unit        },
                 { "force-reload",          MORE,  2, start_unit        }, /* For compatibility with SysV */
+                { "condreload",            MORE,  2, start_unit        }, /* For compatibility with ALTLinux */
                 { "condrestart",           MORE,  2, start_unit        }, /* For compatibility with RH */
                 { "isolate",               EQUAL, 2, start_unit        },
                 { "kill",                  MORE,  2, kill_unit         },
@@ -5447,6 +5480,7 @@ static int runlevel_main(void) {
 static void pager_open(void) {
         int fd[2];
         const char *pager;
+        pid_t parent_pid;
 
         if (pager_pid > 0)
                 return;
@@ -5467,6 +5501,8 @@ static void pager_open(void) {
                 return;
         }
 
+        parent_pid = getpid();
+
         pager_pid = fork();
         if (pager_pid < 0) {
                 log_error("Failed to fork pager: %m");
@@ -5482,7 +5518,14 @@ static void pager_open(void) {
 
                 setenv("LESS", "FRSX", 0);
 
-                prctl(PR_SET_PDEATHSIG, SIGTERM);
+                /* Make sure the pager goes away when the parent dies */
+                if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0)
+                        _exit(EXIT_FAILURE);
+
+                /* Check whether our parent died before we were able
+                 * to set the death signal */
+                if (getppid() != parent_pid)
+                        _exit(EXIT_SUCCESS);
 
                 if (pager) {
                         execlp(pager, pager, NULL);
@@ -5519,10 +5562,24 @@ static void pager_close(void) {
 
         /* Inform pager that we are done */
         fclose(stdout);
+        kill(pager_pid, SIGCONT);
         wait_for_terminate(pager_pid, &dummy);
         pager_pid = 0;
 }
 
+static void agent_close(void) {
+        siginfo_t dummy;
+
+        if (agent_pid <= 0)
+                return;
+
+        /* Inform agent that we are done */
+        kill(agent_pid, SIGTERM);
+        kill(agent_pid, SIGCONT);
+        wait_for_terminate(agent_pid, &dummy);
+        agent_pid = 0;
+}
+
 int main(int argc, char*argv[]) {
         int r, retval = EXIT_FAILURE;
         DBusConnection *bus = NULL;
@@ -5605,6 +5662,7 @@ finish:
         strv_free(arg_property);
 
         pager_close();
+        agent_close();
 
         return retval;
 }