chiark / gitweb /
systemctl: require correctly formed unit names when enabling units
[elogind.git] / src / systemctl.c
index e6f2c7c57c783ce1c728805030753c3ddf7153d9..45249aaa3b0e9834e56a9581ca8a85e253e1477e 100644 (file)
@@ -53,6 +53,7 @@
 #include "exit-status.h"
 #include "bus-errors.h"
 #include "build.h"
+#include "unit-name.h"
 
 static const char *arg_type = NULL;
 static char **arg_property = NULL;
@@ -253,6 +254,7 @@ static int compare_unit_info(const void *a, const void *b) {
 
 static bool output_show_job(const struct unit_info *u) {
         const char *dot;
+
         return (!arg_type || ((dot = strrchr(u->id, '.')) &&
                               streq(dot+1, arg_type))) &&
                 (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0);
@@ -260,17 +262,20 @@ static bool output_show_job(const struct unit_info *u) {
 
 static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
         unsigned active_len, sub_len, job_len;
+        const struct unit_info *u;
 
-        active_len = strlen("ACTIVE");
-        sub_len = strlen("SUB");
-        job_len = strlen("JOB");
-        for (const struct unit_info *u = unit_infos; u < unit_infos + c; u++) {
-                if (output_show_job(u)) {
-                        active_len = MAX(active_len, strlen(u->active_state));
-                        sub_len = MAX(sub_len, strlen(u->sub_state));
-                        if (u->job_id != 0)
-                                job_len = MAX(job_len, strlen(u->job_type));
-                }
+        active_len = sizeof("ACTIVE")-1;
+        sub_len = sizeof("SUB")-1;
+        job_len = sizeof("JOB")-1;
+
+        for (u = unit_infos; u < unit_infos + c; u++) {
+                if (!output_show_job(u))
+                        continue;
+
+                active_len = MAX(active_len, strlen(u->active_state));
+                sub_len = MAX(sub_len, strlen(u->sub_state));
+                if (u->job_id != 0)
+                        job_len = MAX(job_len, strlen(u->job_type));
         }
 
         if (on_tty()) {
@@ -282,56 +287,57 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
                         printf("\n");
         }
 
-        for (const struct unit_info *u = unit_infos; u < unit_infos + c; u++) {
-                if (output_show_job(u)) {
-                        char *e;
-                        int a = 0, b = 0;
-                        const char *on_loaded, *off_loaded;
-                        const char *on_active, *off_active;
+        for (u = unit_infos; u < unit_infos + c; u++) {
+                char *e;
+                int a = 0, b = 0;
+                const char *on_loaded, *off_loaded;
+                const char *on_active, *off_active;
 
-                        if (!streq(u->load_state, "loaded")) {
-                                on_loaded = ansi_highlight(true);
-                                off_loaded = ansi_highlight(false);
-                        } else
-                                on_loaded = off_loaded = "";
+                if (!output_show_job(u))
+                        continue;
 
-                        if (streq(u->active_state, "failed")) {
-                                on_active = ansi_highlight(true);
-                                off_active = ansi_highlight(false);
-                        } else
-                                on_active = off_active = "";
+                if (!streq(u->load_state, "loaded")) {
+                        on_loaded = ansi_highlight(true);
+                        off_loaded = ansi_highlight(false);
+                } else
+                        on_loaded = off_loaded = "";
 
-                        e = arg_full ? NULL : ellipsize(u->id, 25, 33);
+                if (streq(u->active_state, "failed")) {
+                        on_active = ansi_highlight(true);
+                        off_active = ansi_highlight(false);
+                } else
+                        on_active = off_active = "";
 
-                        printf("%-25s %s%-6s%s %s%-*s %-*s%s%n",
-                               e ? e : u->id,
-                               on_loaded, u->load_state, off_loaded,
-                               on_active, active_len, u->active_state,
-                                          sub_len, u->sub_state, off_active,
-                               &a);
+                e = arg_full ? NULL : ellipsize(u->id, 25, 33);
 
-                        free(e);
+                printf("%-25s %s%-6s%s %s%-*s %-*s%s%n",
+                       e ? e : u->id,
+                       on_loaded, u->load_state, off_loaded,
+                       on_active, active_len, u->active_state,
+                       sub_len, u->sub_state, off_active,
+                       &a);
 
-                        a -= strlen(on_loaded) + strlen(off_loaded);
-                        a -= strlen(on_active) + strlen(off_active);
+                free(e);
 
-                        if (u->job_id != 0)
-                                printf(" %-*s", job_len, u->job_type);
-                        else
-                                b = 1 + job_len;
+                a -= strlen(on_loaded) + strlen(off_loaded);
+                a -= strlen(on_active) + strlen(off_active);
 
-                        if (a + b + 1 < columns()) {
-                                if (u->job_id == 0)
-                                        printf(" %-*s", job_len, "");
+                if (u->job_id != 0)
+                        printf(" %-*s", job_len, u->job_type);
+                else
+                        b = 1 + job_len;
 
-                                if (arg_full)
-                                        printf(" %s", u->description);
-                                else
-                                        printf(" %.*s", columns() - a - b - 1, u->description);
-                        }
+                if (a + b + 1 < columns()) {
+                        if (u->job_id == 0)
+                                printf(" %-*s", job_len, "");
 
-                        fputs("\n", stdout);
+                        if (arg_full)
+                                printf(" %s", u->description);
+                        else
+                                printf(" %.*s", columns() - a - b - 1, u->description);
                 }
+
+                fputs("\n", stdout);
         }
 
         if (on_tty()) {
@@ -1252,11 +1258,11 @@ 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")           ? "TryRestartUnit" :
+                        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], "force-reload")          ||
-                        streq(args[0], "condrestart")           ? "ReloadOrTryRestartUnit" :
+                        streq(args[0], "force-reload")          ? "ReloadOrTryRestartUnit" :
                                                                   "StartUnit";
 
                 mode =
@@ -1576,7 +1582,9 @@ typedef struct UnitStatusInfo {
         pid_t control_pid;
         const char *status_text;
         bool running:1;
+#ifdef HAVE_SYSV_COMPAT
         bool is_sysv:1;
+#endif
 
         usec_t start_timestamp;
         usec_t exit_timestamp;
@@ -1696,7 +1704,11 @@ static void print_status_info(UnitStatusInfo *i) {
 
                         printf("status=%i", p->status);
 
+#ifdef HAVE_SYSV_COMPAT
                         if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+#else
+                        if ((c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD)))
+#endif
                                 printf("/%s", c);
 
                 } else
@@ -1734,7 +1746,11 @@ static void print_status_info(UnitStatusInfo *i) {
 
                                         printf("status=%i", i->exit_status);
 
+#ifdef HAVE_SYSV_COMPAT
                                         if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+#else
+                                        if ((c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD)))
+#endif
                                                 printf("/%s", c);
 
                                 } else
@@ -1806,10 +1822,13 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn
                                 i->description = s;
                         else if (streq(name, "FragmentPath"))
                                 i->path = s;
+#ifdef HAVE_SYSV_COMPAT
                         else if (streq(name, "SysVPath")) {
                                 i->is_sysv = true;
                                 i->path = s;
-                        } else if (streq(name, "DefaultControlGroup"))
+                        }
+#endif
+                        else if (streq(name, "DefaultControlGroup"))
                                 i->default_control_group = s;
                         else if (streq(name, "StatusText"))
                                 i->status_text = s;
@@ -1998,6 +2017,14 @@ static int print_property(const char *name, DBusMessageIter *iter) {
                 return 0;
         }
 
+        case DBUS_TYPE_DOUBLE: {
+                double d;
+                dbus_message_iter_get_basic(iter, &d);
+
+                printf("%s=%g\n", name, d);
+                return 0;
+        }
+
         case DBUS_TYPE_STRUCT: {
                 DBusMessageIter sub;
                 dbus_message_iter_recurse(iter, &sub);
@@ -3211,28 +3238,16 @@ static void install_info_hashmap_free(Hashmap *m) {
         hashmap_free(m);
 }
 
-static bool unit_name_valid(const char *name) {
-
-        /* This is a minimal version of unit_name_valid() from
-         * unit-name.c */
-
-        if (!*name)
-                return false;
-
-        if (ignore_file(name))
-                return false;
-
-        return true;
-}
-
 static int install_info_add(const char *name) {
         InstallInfo *i;
         int r;
 
         assert(will_install);
 
-        if (!unit_name_valid(name))
+        if (!unit_name_is_valid_no_type(name)) {
+                log_warning("Unit name %s is not a valid unit name.", name);
                 return -EINVAL;
+        }
 
         if (hashmap_get(have_installed, name) ||
             hashmap_get(will_install, name))
@@ -3284,11 +3299,13 @@ static int config_parse_also(
                 if (!(n = strndup(w, l)))
                         return -ENOMEM;
 
-                r = install_info_add(n);
-                free(n);
-
-                if (r < 0)
+                if ((r = install_info_add(n)) < 0) {
+                        log_warning("Cannot install unit %s: %s", n, strerror(-r));
+                        free(n);
                         return r;
+                }
+
+                free(n);
         }
 
         return 0;
@@ -3613,7 +3630,7 @@ static int install_info_symlink_alias(const char *verb, InstallInfo *i, const ch
 
         STRV_FOREACH(s, i->aliases) {
 
-                if (!unit_name_valid(*s)) {
+                if (!unit_name_is_valid_no_type(*s)) {
                         log_error("Invalid name %s.", *s);
                         r = -EINVAL;
                         goto finish;
@@ -3632,7 +3649,6 @@ static int install_info_symlink_alias(const char *verb, InstallInfo *i, const ch
                 if (streq(verb, "disable"))
                         rmdir_parents(alias_path, config_path);
         }
-
         r = 0;
 
 finish:
@@ -3651,7 +3667,7 @@ static int install_info_symlink_wants(const char *verb, InstallInfo *i, const ch
         assert(config_path);
 
         STRV_FOREACH(s, i->wanted_by) {
-                if (!unit_name_valid(*s)) {
+                if (!unit_name_is_valid_no_type(*s)) {
                         log_error("Invalid name %s.", *s);
                         r = -EINVAL;
                         goto finish;
@@ -3814,8 +3830,10 @@ static int enable_unit(DBusConnection *bus, char **args, unsigned n) {
                 }
 
         for (j = 1; j < n; j++)
-                if ((r = install_info_add(args[j])) < 0)
+                if ((r = install_info_add(args[j])) < 0) {
+                        log_warning("Cannot install unit %s: %s", args[j], strerror(-r));
                         goto finish;
+                }
 
         while ((i = hashmap_first(will_install))) {
                 int q;