./tools/notsd-move

1 files changed, 172 insertions, 0 deletions

diff --git a/src/grp-udev/udevadm/udevadm-control.c b/src/grp-udev/udevadm/udevadm-control.c
new file mode 100644
index 0000000000..415da614f4
--- /dev/null
+++ b/src/grp-udev/udevadm/udevadm-control.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2005-2011 Kay Sievers <kay@vrfy.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <errno.h>
+#include <getopt.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "systemd-basic/time-util.h"
+#include "systemd-shared/udev-util.h"
+#include "udev.h"
+
+static void print_help(void) {
+        printf("%s control COMMAND\n\n"
+               "Control the udev daemon.\n\n"
+               "  -h --help                Show this help\n"
+               "     --version             Show package version\n"
+               "  -e --exit                Instruct the daemon to cleanup and exit\n"
+               "  -l --log-priority=LEVEL  Set the udev log level for the daemon\n"
+               "  -s --stop-exec-queue     Do not execute events, queue only\n"
+               "  -S --start-exec-queue    Execute events, flush queue\n"
+               "  -R --reload              Reload rules and databases\n"
+               "  -p --property=KEY=VALUE  Set a global property for all events\n"
+               "  -m --children-max=N      Maximum number of children\n"
+               "     --timeout=SECONDS     Maximum time to block for a reply\n"
+               , program_invocation_short_name);
+}
+
+static int adm_control(struct udev *udev, int argc, char *argv[]) {
+        _cleanup_udev_ctrl_unref_ struct udev_ctrl *uctrl = NULL;
+        int timeout = 60;
+        int rc = 1, c;
+
+        static const struct option options[] = {
+                { "exit",             no_argument,       NULL, 'e' },
+                { "log-priority",     required_argument, NULL, 'l' },
+                { "stop-exec-queue",  no_argument,       NULL, 's' },
+                { "start-exec-queue", no_argument,       NULL, 'S' },
+                { "reload",           no_argument,       NULL, 'R' },
+                { "reload-rules",     no_argument,       NULL, 'R' }, /* alias for -R */
+                { "property",         required_argument, NULL, 'p' },
+                { "env",              required_argument, NULL, 'p' }, /* alias for -p */
+                { "children-max",     required_argument, NULL, 'm' },
+                { "timeout",          required_argument, NULL, 't' },
+                { "help",             no_argument,       NULL, 'h' },
+                {}
+        };
+
+        if (getuid() != 0) {
+                log_error("root privileges required");
+                return 1;
+        }
+
+        uctrl = udev_ctrl_new(udev);
+        if (uctrl == NULL)
+                return 2;
+
+        while ((c = getopt_long(argc, argv, "el:sSRp:m:h", options, NULL)) >= 0)
+                switch (c) {
+                case 'e':
+                        if (udev_ctrl_send_exit(uctrl, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'l': {
+                        int i;
+
+                        i = util_log_priority(optarg);
+                        if (i < 0) {
+                                log_error("invalid number '%s'", optarg);
+                                return rc;
+                        }
+                        if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg), timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                }
+                case 's':
+                        if (udev_ctrl_send_stop_exec_queue(uctrl, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'S':
+                        if (udev_ctrl_send_start_exec_queue(uctrl, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'R':
+                        if (udev_ctrl_send_reload(uctrl, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'p':
+                        if (strchr(optarg, '=') == NULL) {
+                                log_error("expect <KEY>=<value> instead of '%s'", optarg);
+                                return rc;
+                        }
+                        if (udev_ctrl_send_set_env(uctrl, optarg, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'm': {
+                        char *endp;
+                        int i;
+
+                        i = strtoul(optarg, &endp, 0);
+                        if (endp[0] != '\0' || i < 1) {
+                                log_error("invalid number '%s'", optarg);
+                                return rc;
+                        }
+                        if (udev_ctrl_send_set_children_max(uctrl, i, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                }
+                case 't': {
+                        usec_t s;
+                        int seconds;
+                        int r;
+
+                        r = parse_sec(optarg, &s);
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to parse timeout value '%s'.", optarg);
+
+                        if (((s + USEC_PER_SEC - 1) / USEC_PER_SEC) > INT_MAX)
+                                log_error("Timeout value is out of range.");
+                        else {
+                                seconds = s != USEC_INFINITY ? (int) ((s + USEC_PER_SEC - 1) / USEC_PER_SEC) : INT_MAX;
+                                timeout = seconds;
+                                rc = 0;
+                        }
+                        break;
+                }
+                case 'h':
+                        print_help();
+                        rc = 0;
+                        break;
+                }
+
+        if (optind < argc)
+                log_error("Extraneous argument: %s", argv[optind]);
+        else if (optind == 1)
+                log_error("Option missing");
+        return rc;
+}
+
+const struct udevadm_cmd udevadm_control = {
+        .name = "control",
+        .cmd = adm_control,
+        .help = "Control the udev daemon",
+};