chiark / gitweb /
gpt-auto-generator: rename root device node symlink to /dev/gpt-auto-root
[elogind.git] / src / systemctl / systemctl.c
index 869271628f8a344b902518e389a2beb7e5cb5fba..17ad7f0462c3e0ec4c0a05154f07b7d4155a4143 100644 (file)
@@ -2167,13 +2167,11 @@ static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***r
                         return log_oom();
 
                 if (string_is_glob(t))
-                        r = strv_push(&globs, t);
+                        r = strv_consume(&globs, t);
                 else
-                        r = strv_push(&mangled, t);
-                if (r < 0) {
-                        free(t);
+                        r = strv_consume(&mangled, t);
+                if (r < 0)
                         return log_oom();
-                }
         }
 
         /* Query the manager only if any of the names are a glob, since
@@ -4021,163 +4019,6 @@ static int show(sd_bus *bus, char **args) {
         return ret;
 }
 
-static int append_assignment(sd_bus_message *m, const char *assignment) {
-        const char *eq;
-        char *field;
-        int r;
-
-        assert(m);
-        assert(assignment);
-
-        eq = strchr(assignment, '=');
-        if (!eq) {
-                log_error("Not an assignment: %s", assignment);
-                return -EINVAL;
-        }
-
-        field = strndupa(assignment, eq - assignment);
-        eq ++;
-
-        r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
-        if (r < 0)
-                return bus_log_create_error(r);
-
-        if (streq(field, "CPUAccounting") ||
-            streq(field, "MemoryAccounting") ||
-            streq(field, "BlockIOAccounting")) {
-
-                r = parse_boolean(eq);
-                if (r < 0) {
-                        log_error("Failed to parse boolean assignment %s.", assignment);
-                        return -EINVAL;
-                }
-
-                r = sd_bus_message_append(m, "v", "b", r);
-
-        } else if (streq(field, "MemoryLimit")) {
-                off_t bytes;
-
-                r = parse_size(eq, 1024, &bytes);
-                if (r < 0) {
-                        log_error("Failed to parse bytes specification %s", assignment);
-                        return -EINVAL;
-                }
-
-                r = sd_bus_message_append(m, "v", "t", (uint64_t) bytes);
-
-        } else if (streq(field, "CPUShares") || streq(field, "BlockIOWeight")) {
-                uint64_t u;
-
-                r = safe_atou64(eq, &u);
-                if (r < 0) {
-                        log_error("Failed to parse %s value %s.", field, eq);
-                        return -EINVAL;
-                }
-
-                r = sd_bus_message_append(m, "v", "t", u);
-
-        } else if (streq(field, "DevicePolicy"))
-                r = sd_bus_message_append(m, "v", "s", eq);
-
-        else if (streq(field, "DeviceAllow")) {
-
-                if (isempty(eq))
-                        r = sd_bus_message_append(m, "v", "a(ss)", 0);
-                else {
-                        const char *path, *rwm;
-                        char *e;
-
-                        e = strchr(eq, ' ');
-                        if (e) {
-                                path = strndupa(eq, e - eq);
-                                rwm = e+1;
-                        } else {
-                                path = eq;
-                                rwm = "";
-                        }
-
-                        if (!path_startswith(path, "/dev")) {
-                                log_error("%s is not a device file in /dev.", path);
-                                return -EINVAL;
-                        }
-
-                        r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm);
-                }
-
-        } else if (streq(field, "BlockIOReadBandwidth") || streq(field, "BlockIOWriteBandwidth")) {
-
-                if (isempty(eq))
-                        r = sd_bus_message_append(m, "v", "a(st)", 0);
-                else {
-                        const char *path, *bandwidth;
-                        off_t bytes;
-                        char *e;
-
-                        e = strchr(eq, ' ');
-                        if (e) {
-                                path = strndupa(eq, e - eq);
-                                bandwidth = e+1;
-                        } else {
-                                log_error("Failed to parse %s value %s.", field, eq);
-                                return -EINVAL;
-                        }
-
-                        if (!path_startswith(path, "/dev")) {
-                                log_error("%s is not a device file in /dev.", path);
-                                return -EINVAL;
-                        }
-
-                        r = parse_size(bandwidth, 1000, &bytes);
-                        if (r < 0) {
-                                log_error("Failed to parse byte value %s.", bandwidth);
-                                return -EINVAL;
-                        }
-
-                        r = sd_bus_message_append(m, "v", "a(st)", 1, path, (uint64_t) bytes);
-                }
-
-        } else if (streq(field, "BlockIODeviceWeight")) {
-
-                if (isempty(eq))
-                        r = sd_bus_message_append(m, "v", "a(st)", 0);
-                else {
-                        const char *path, *weight;
-                        uint64_t u;
-                        char *e;
-
-                        e = strchr(eq, ' ');
-                        if (e) {
-                                path = strndupa(eq, e - eq);
-                                weight = e+1;
-                        } else {
-                                log_error("Failed to parse %s value %s.", field, eq);
-                                return -EINVAL;
-                        }
-
-                        if (!path_startswith(path, "/dev")) {
-                                log_error("%s is not a device file in /dev.", path);
-                                return -EINVAL;
-                        }
-
-                        r = safe_atou64(weight, &u);
-                        if (r < 0) {
-                                log_error("Failed to parse %s value %s.", field, weight);
-                                return -EINVAL;
-                        }
-                        r = sd_bus_message_append(m, "v", "a(st)", path, u);
-                }
-
-        } else {
-                log_error("Unknown assignment %s.", assignment);
-                return -EINVAL;
-        }
-
-        if (r < 0)
-                return bus_log_create_error(r);
-
-        return 0;
-}
-
 static int set_property(sd_bus *bus, char **args) {
         _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
@@ -4212,7 +4053,7 @@ static int set_property(sd_bus *bus, char **args) {
                 if (r < 0)
                         return bus_log_create_error(r);
 
-                r = append_assignment(m, *i);
+                r = bus_append_unit_property_assignment(m, *i);
                 if (r < 0)
                         return r;
 
@@ -4441,8 +4282,8 @@ static int show_environment(sd_bus *bus, char **args) {
 
 static int switch_root(sd_bus *bus, char **args) {
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_free_ char *init = NULL;
-        const char *root;
+        _cleanup_free_ char *cmdline_init = NULL;
+        const char *root, *init;
         unsigned l;
         int r;
 
@@ -4455,20 +4296,33 @@ static int switch_root(sd_bus *bus, char **args) {
         root = args[1];
 
         if (l >= 3)
-                init = strdup(args[2]);
+                init = args[2];
         else {
-                parse_env_file("/proc/cmdline", WHITESPACE,
-                               "init", &init,
-                               NULL);
+                r = parse_env_file("/proc/cmdline", WHITESPACE,
+                                   "init", &cmdline_init,
+                                   NULL);
+                if (r < 0)
+                        log_debug("Failed to parse /proc/cmdline: %s", strerror(-r));
 
-                if (!init)
-                        init = strdup("");
+                init = cmdline_init;
         }
 
-        if (!init)
-                return log_oom();
+        if (isempty(init))
+                init = NULL;
+
+        if (init) {
+                const char *root_systemd_path = NULL, *root_init_path = NULL;
+
+                root_systemd_path = strappenda(root, "/" SYSTEMD_BINARY_PATH);
+                root_init_path = strappenda3(root, "/", init);
 
-        log_debug("switching root - root: %s; init: %s", root, init);
+                /* If the passed init is actually the same as the
+                 * systemd binary, then let's suppress it. */
+                if (files_same(root_init_path, root_systemd_path) > 0)
+                        init = NULL;
+        }
+
+        log_debug("Switching root - root: %s; init: %s", root, strna(init));
 
         r = sd_bus_call_method(
                         bus,
@@ -5346,10 +5200,8 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                                         if (!prop)
                                                 return log_oom();
 
-                                        if (strv_push(&arg_properties, prop) < 0) {
-                                                free(prop);
+                                        if (strv_consume(&arg_properties, prop) < 0)
                                                 return log_oom();
-                                        }
                                 }
                         }
 
@@ -5518,10 +5370,8 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                                 if (!s)
                                         return log_oom();
 
-                                if (strv_push(&arg_states, s) < 0) {
-                                        free(s);
+                                if (strv_consume(&arg_states, s) < 0)
                                         return log_oom();
-                                }
                         }
                         break;
                 }