udevadm: rename source files

1 files changed, 304 insertions, 0 deletions

diff --git a/udev/udevadm-control.c b/udev/udevadm-control.c
new file mode 100644
index 0000000000..5f1952543c
--- /dev/null
+++ b/udev/udevadm-control.c
@@ -0,0 +1,304 @@
+/*
+ * Copyright (C) 2005-2006 Kay Sievers <kay.sievers@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 version 2 of the License.
+ * 
+ *	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.
+ * 
+ *	You should have received a copy of the GNU General Public License along
+ *	with this program; if not, write to the Free Software Foundation, Inc.,
+ *	51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <time.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <sys/un.h>
+
+#include "udev.h"
+#include "udevd.h"
+
+static int udev_log = 0;
+
+struct udev_ctrl;
+extern struct udev_ctrl *udev_ctrl_new_from_socket(const char *socket_path);
+extern void udev_ctrl_unref(struct udev_ctrl *uctrl);
+extern int udev_ctrl_set_log_level(struct udev_ctrl *uctrl, int priority);
+extern int udev_ctrl_stop_exec_queue(struct udev_ctrl *uctrl);
+extern int udev_ctrl_start_exec_queue(struct udev_ctrl *uctrl);
+extern int udev_ctrl_reload_rules(struct udev_ctrl *uctrl);
+extern int udev_ctrl_set_env(struct udev_ctrl *uctrl, const char *key);
+extern int udev_ctrl_set_max_childs(struct udev_ctrl *uctrl, int count);
+extern int udev_ctrl_set_max_childs_running(struct udev_ctrl *uctrl, int count);
+
+struct udev_ctrl {
+	int sock;
+	struct sockaddr_un saddr;
+	socklen_t addrlen;
+};
+
+struct udev_ctrl *udev_ctrl_new_from_socket(const char *socket_path)
+{
+	struct udev_ctrl *uctrl;
+
+	uctrl = malloc(sizeof(struct udev_ctrl));
+	if (uctrl == NULL)
+		return NULL;
+	memset(uctrl, 0x00, sizeof(struct udev_ctrl));
+
+	uctrl->sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
+	if (uctrl->sock < 0) {
+		err("error getting socket: %s\n", strerror(errno));
+		free(uctrl);
+		return NULL;
+	}
+
+	uctrl->saddr.sun_family = AF_LOCAL;
+	strcpy(uctrl->saddr.sun_path, socket_path);
+	uctrl->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(uctrl->saddr.sun_path);
+	/* translate leading '@' to abstract namespace */
+	if (uctrl->saddr.sun_path[0] == '@')
+		uctrl->saddr.sun_path[0] = '\0';
+	return uctrl;
+}
+
+void udev_ctrl_unref(struct udev_ctrl *uctrl)
+{
+	if (uctrl == NULL)
+		return;
+	close(uctrl->sock);
+}
+
+static int ctrl_send(struct udev_ctrl *uctrl, enum udevd_ctrl_msg_type type, int intval, const char *buf)
+{
+	struct udevd_ctrl_msg ctrl_msg;
+	int err;
+
+	memset(&ctrl_msg, 0x00, sizeof(struct udevd_ctrl_msg));
+	strcpy(ctrl_msg.magic, UDEVD_CTRL_MAGIC);
+	ctrl_msg.type = type;
+
+	if (buf != NULL)
+		strlcpy(ctrl_msg.buf, buf, sizeof(ctrl_msg.buf));
+	else
+		ctrl_msg.intval = intval;
+
+	err = sendto(uctrl->sock, &ctrl_msg, sizeof(ctrl_msg), 0, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen);
+	if (err == -1) {
+		err("error sending message: %s\n", strerror(errno));
+	}
+	return err;
+}
+
+int udev_ctrl_set_log_level(struct udev_ctrl *uctrl, int priority)
+{
+	ctrl_send(uctrl, UDEVD_CTRL_SET_LOG_LEVEL, priority, NULL);
+	return 0;
+}
+
+int udev_ctrl_stop_exec_queue(struct udev_ctrl *uctrl)
+{
+	ctrl_send(uctrl, UDEVD_CTRL_STOP_EXEC_QUEUE, 0, NULL);
+	return 0;
+}
+
+int udev_ctrl_start_exec_queue(struct udev_ctrl *uctrl)
+{
+	ctrl_send(uctrl, UDEVD_CTRL_START_EXEC_QUEUE, 0, NULL);
+	return 0;
+}
+
+int udev_ctrl_reload_rules(struct udev_ctrl *uctrl)
+{
+	ctrl_send(uctrl, UDEVD_CTRL_RELOAD_RULES, 0, NULL);
+	return 0;
+}
+
+int udev_ctrl_set_env(struct udev_ctrl *uctrl, const char *key)
+{
+	ctrl_send(uctrl, UDEVD_CTRL_ENV, 0, optarg);
+	return 0;
+}
+
+int udev_ctrl_set_max_childs(struct udev_ctrl *uctrl, int count)
+{
+	ctrl_send(uctrl, UDEVD_CTRL_SET_MAX_CHILDS, count, NULL);
+	return 0;
+}
+
+int udev_ctrl_set_max_childs_running(struct udev_ctrl *uctrl, int count)
+{
+	ctrl_send(uctrl, UDEVD_CTRL_SET_MAX_CHILDS_RUNNING, count, NULL);
+	return 0;
+}
+
+int udevcontrol(int argc, char *argv[])
+{
+	struct udev_ctrl *uctrl;
+	const char *env;
+	int rc = 1;
+
+	/* compat values with '_' will be removed in a future release */
+	static const struct option options[] = {
+		{ "log-priority", 1, NULL, 'l' },
+		{ "log_priority", 1, NULL, 'l' + 256 },
+		{ "stop-exec-queue", 0, NULL, 's' },
+		{ "stop_exec_queue", 0, NULL, 's' + 256 },
+		{ "start-exec-queue", 0, NULL, 'S' },
+		{ "start_exec_queue", 0, NULL, 'S' + 256},
+		{ "reload-rules", 0, NULL, 'R' },
+		{ "reload_rules", 0, NULL, 'R' + 256},
+		{ "env", 1, NULL, 'e' },
+		{ "max-childs", 1, NULL, 'm' },
+		{ "max_childs", 1, NULL, 'm' + 256},
+		{ "max-childs-running", 1, NULL, 'M' },
+		{ "max_childs_running", 1, NULL, 'M' + 256},
+		{ "help", 0, NULL, 'h' },
+		{}
+	};
+
+	env = getenv("UDEV_LOG");
+	if (env)
+		udev_log = log_priority(env);
+
+	logging_init("udevcontrol");
+	dbg("version %s\n", VERSION);
+
+	if (getuid() != 0) {
+		fprintf(stderr, "root privileges required\n");
+		goto exit;
+	}
+
+	uctrl = udev_ctrl_new_from_socket(UDEVD_CTRL_SOCK_PATH);
+	if (uctrl == NULL)
+		goto exit;
+
+	while (1) {
+		int option;
+		int i;
+		char *endp;
+
+		option = getopt_long(argc, argv, "l:sSRe:m:M:h", options, NULL);
+		if (option == -1)
+			break;
+
+		if (option > 255) {
+			info("udevadm control expects commands without underscore, "
+			    "this will stop working in a future release\n");
+			fprintf(stderr, "udevadm control expects commands without underscore, "
+				"this will stop working in a future release\n");
+		}
+
+		switch (option) {
+		case 'l':
+		case 'l' + 256:
+			i = log_priority(optarg);
+			if (i < 0) {
+				fprintf(stderr, "invalid number '%s'\n", optarg);
+				goto exit;
+			}
+			udev_ctrl_set_log_level(uctrl, log_priority(optarg));
+			break;
+		case 's':
+		case 's' + 256:
+			udev_ctrl_stop_exec_queue(uctrl);
+			break;
+		case 'S':
+		case 'S' + 256:
+			udev_ctrl_start_exec_queue(uctrl);
+			break;
+		case 'R':
+		case 'R' + 256:
+			udev_ctrl_reload_rules(uctrl);
+			break;
+		case 'e':
+			if (strchr(optarg, '=') == NULL) {
+				fprintf(stderr, "expect <KEY>=<valaue> instead of '%s'\n", optarg);
+				goto exit;
+			}
+			udev_ctrl_set_env(uctrl, optarg);
+			break;
+		case 'm':
+		case 'm' + 256:
+			i = strtoul(optarg, &endp, 0);
+			if (endp[0] != '\0' || i < 1) {
+				fprintf(stderr, "invalid number '%s'\n", optarg);
+				goto exit;
+			}
+			udev_ctrl_set_max_childs(uctrl, i);
+			break;
+		case 'M':
+		case 'M' + 256:
+			i = strtoul(optarg, &endp, 0);
+			if (endp[0] != '\0' || i < 1) {
+				fprintf(stderr, "invalid number '%s'\n", optarg);
+				goto exit;
+			}
+			udev_ctrl_set_max_childs_running(uctrl, i);
+			break;
+			break;
+		case 'h':
+			printf("Usage: udevadm control COMMAND\n"
+				"  --log-priority=<level>   set the udev log level for the daemon\n"
+				"  --stop-exec-queue        keep udevd from executing events, queue only\n"
+				"  --start-exec-queue       execute events, flush queue\n"
+				"  --reload-rules           reloads the rules files\n"
+				"  --env=<KEY>=<value>      set a global environment variable\n"
+				"  --max-childs=<N>         maximum number of childs\n"
+				"  --max-childs-running=<N> maximum number of childs running at the same time\n"
+				"  --help                   print this help text\n\n");
+			goto exit;
+		default:
+			goto exit;
+		}
+	}
+
+	/* compat stuff which will be removed in a future release */
+	if (argv[optind] != NULL) {
+		const char *arg = argv[optind];
+
+		fprintf(stderr, "udevadm control commands requires the --<command> format, "
+			"this will stop working in a future release\n");
+		err("udevadm control commands requires the --<command> format, "
+		    "this will stop working in a future release\n");
+
+		if (!strncmp(arg, "log_priority=", strlen("log_priority="))) {
+			udev_ctrl_set_log_level(uctrl, log_priority(&arg[strlen("log_priority=")]));
+		} else if (!strcmp(arg, "stop_exec_queue")) {
+			udev_ctrl_stop_exec_queue(uctrl);
+		} else if (!strcmp(arg, "start_exec_queue")) {
+			udev_ctrl_start_exec_queue(uctrl);
+		} else if (!strcmp(arg, "reload_rules")) {
+			udev_ctrl_reload_rules(uctrl);
+		} else if (!strncmp(arg, "max_childs=", strlen("max_childs="))) {
+			udev_ctrl_set_max_childs(uctrl, strtoul(&arg[strlen("max_childs=")], NULL, 0));
+		} else if (!strncmp(arg, "max_childs_running=", strlen("max_childs_running="))) {
+			udev_ctrl_set_max_childs_running(uctrl, strtoul(&arg[strlen("max_childs_running=")], NULL, 0));
+		} else if (!strncmp(arg, "env", strlen("env"))) {
+			udev_ctrl_set_env(uctrl, &arg[strlen("env=")]);
+		} else {
+			fprintf(stderr, "unrecognized command '%s'\n", arg);
+			err("unrecognized command '%s'\n", arg);
+		}
+	}
+exit:
+	udev_ctrl_unref(uctrl);
+	logging_close();
+	return rc;
+}