hotplug2: procd does the hotplugging now

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36987 3c298f89-4303-0410-b956-a3cf2f4a3e73

9 files changed, 0 insertions, 794 deletions

diff --git a/package/hotplug2/Makefile b/package/hotplug2/Makefile
deleted file mode 100644
index 0746d18816..0000000000
--- a/package/hotplug2/Makefile
+++ /dev/null
@@ -1,66 +0,0 @@
-#
-# Copyright (C) 2006-2011 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=hotplug2
-PKG_REV:=201
-PKG_VERSION:=$(PKG_REV)
-PKG_RELEASE:=4
-
-PKG_SOURCE_PROTO:=svn
-PKG_SOURCE_VERSION:=$(PKG_REV)
-PKG_SOURCE_SUBDIR:=hotplug2-$(PKG_VERSION)
-PKG_SOURCE_URL:=http://svn.nomi.cz/svn/isteve/hotplug2
-PKG_SOURCE:=$(PKG_SOURCE_SUBDIR).tar.gz
-PKG_MAINTAINER:=Felix Fietkau <nbd@openwrt.org>
-#PKG_SOURCE_URL:=http://isteve.bofh.cz/~isteve/hotplug2
-#PKG_MD5SUM:=ea2c01d027b4002e4e6b0ff266f51a51
-
-include $(INCLUDE_DIR)/package.mk
-
-define Package/hotplug2
-  SECTION:=base
-  CATEGORY:=Base system
-  VERSION:=1.0-beta-$(PKG_RELEASE)
-  TITLE:=Version 1.0 Dynamic device management subsystem for embedded systems
-  URL:=http://isteve.bofh.cz/~isteve/hotplug2/
-  DEPENDS:=+USE_EGLIBC:libbsd @!PROCD_INIT
-endef
-
-define Package/hotplug2/description
- Hotplug2 is a trivial replacement of some of the UDev functionality
- in a tiny pack, intended for Linux early userspace: Init RAM FS and InitRD.
- This is an implementation of Hotplug2-1.0-beta
-endef
-
-define Package/hotplug2/conffiles
-/etc/hotplug2.rules
-endef
-
-MAKE_FLAGS += \
-	COPTS="$(TARGET_CFLAGS)" \
-	STATIC_WORKER="fork"
-
-ifneq ($(CONFIG_USE_EGLIBC),)
-  TARGET_LDFLAGS += -lbsd
-endif
-
-define Build/Compile
-	$(call Build/Compile/Default)
-	$(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS) -o $(PKG_BUILD_DIR)/udevtrigger src/udevtrigger.c
-endef
-
-define Package/hotplug2/install
-	$(INSTALL_DIR) $(1)/etc
-	$(INSTALL_DATA) ./files/hotplug2.rules $(1)/etc/
-	$(INSTALL_DIR) $(1)/sbin
-	$(INSTALL_BIN) $(PKG_BUILD_DIR)/udevtrigger $(1)/sbin/
-	$(INSTALL_BIN) $(PKG_BUILD_DIR)/hotplug2 $(1)/sbin/
-endef
-
-$(eval $(call BuildPackage,hotplug2))
diff --git a/package/hotplug2/files/hotplug2.rules b/package/hotplug2/files/hotplug2.rules
deleted file mode 100644
index 246cc3ab44..0000000000
--- a/package/hotplug2/files/hotplug2.rules
+++ /dev/null
@@ -1,10 +0,0 @@
-$include /etc/hotplug2-common.rules
-
-SUBSYSTEM ~~ (^net$|^input$|^button$|^usb$|^ieee1394$|^block$|^atm$|^zaptel$|^tty$) {
-	exec /sbin/hotplug-call %SUBSYSTEM%
-}
-
-DEVICENAME == watchdog {
-	exec /sbin/watchdog -t 5 /dev/watchdog
-	next-event
-}
diff --git a/package/hotplug2/patches/100-env_memleak.patch b/package/hotplug2/patches/100-env_memleak.patch
deleted file mode 100644
index 28a3e2510f..0000000000
--- a/package/hotplug2/patches/100-env_memleak.patch
+++ /dev/null
@@ -1,63 +0,0 @@
---- a/action.c
-+++ b/action.c
-@@ -31,6 +31,30 @@ static void action_dumb(const struct set
- }
- 
- /**
-+ * Creates a "key=value" string from the given key and value
-+ *
-+ * @1 Key
-+ * @2 Value
-+ *
-+ * Returns: Newly allocated string in "key=value" form
-+ *
-+ */
-+static char* alloc_env(const char *key, const char *value) {
-+	size_t keylen, vallen;
-+	char *combined;
-+
-+	keylen = strlen(key);
-+	vallen = strlen(value) + 1;
-+
-+	combined = xmalloc(keylen + vallen + 1);
-+	memcpy(combined, key, keylen);
-+	combined[keylen] = '=';
-+	memcpy(&combined[keylen + 1], value, vallen);
-+
-+	return combined;
-+}
-+
-+/**
-  * Choose what action should be taken according to passed settings.
-  *
-  * @1 Hotplug settings
-@@ -41,16 +65,25 @@ static void action_dumb(const struct set
-  */
- void action_perform(struct settings_t *settings, struct uevent_t *event) {
- 	int i;
-+	char **env;
-+
-+	env = xmalloc(sizeof(char *) * event->env_vars_c);
-+
-+	for (i = 0; i < event->env_vars_c; i++) {
-+		env[i] = alloc_env(event->env_vars[i].key, event->env_vars[i].value);
-+		putenv(env[i]);
-+	}
- 
--	for (i = 0; i < event->env_vars_c; i++)
--		setenv(event->env_vars[i].key, event->env_vars[i].value, 1);
--	
- 	if (settings->dumb == 0) {
- 		ruleset_execute(&settings->rules, event, settings);
- 	} else {
- 		action_dumb(settings, event);
- 	}
- 
--	for (i = 0; i < event->env_vars_c; i++)
-+	for (i = 0; i < event->env_vars_c; i++) {
- 		unsetenv(event->env_vars[i].key);
-+		free(env[i]);
-+	}
-+
-+	free(env);
- }
diff --git a/package/hotplug2/patches/110-static_worker.patch b/package/hotplug2/patches/110-static_worker.patch
deleted file mode 100644
index 3a5181f74d..0000000000
--- a/package/hotplug2/patches/110-static_worker.patch
+++ /dev/null
@@ -1,20 +0,0 @@
---- a/common.mak
-+++ b/common.mak
-@@ -1,7 +1,7 @@
- # vim:set sw=8 nosta:
- 
- COPTS=-Os -Wall -g
--LDFLAGS=-g -ldl
-+LDFLAGS=-g
- 
- CFLAGS=$(COPTS)
- FPIC=-fPIC
---- a/Makefile
-+++ b/Makefile
-@@ -40,5 +40,6 @@ ifdef STATIC_WORKER
-   CFLAGS += -DSTATIC_WORKER=1
- else
-   CFLAGS += $(FPIC)
-+  LDFLAGS += -ldl
- endif
- 
diff --git a/package/hotplug2/patches/120-sysfs_path_fix.patch b/package/hotplug2/patches/120-sysfs_path_fix.patch
deleted file mode 100644
index 0903057c77..0000000000
--- a/package/hotplug2/patches/120-sysfs_path_fix.patch
+++ /dev/null
@@ -1,14 +0,0 @@
---- a/rules/command.c
-+++ b/rules/command.c
-@@ -374,9 +374,9 @@ RULES_COMMAND_F(cmd_firmware) {
- 	if (firmware == NULL)
- 		return -1;
- 
--	if (snprintf(sysfs_path_loading, PATH_MAX, "/sysfs%s/loading", devpath) >= PATH_MAX)
-+	if (snprintf(sysfs_path_loading, PATH_MAX, "/sys%s/loading", devpath) >= PATH_MAX)
- 		return -1;
--	if (snprintf(sysfs_path_data, PATH_MAX, "/sysfs%s/data", devpath) >= PATH_MAX)
-+	if (snprintf(sysfs_path_data, PATH_MAX, "/sys%s/data", devpath) >= PATH_MAX)
- 		return -1;
- 	if (snprintf(firmware_path, PATH_MAX, "%s/%s", argv[0], firmware) >= PATH_MAX)
- 		return -1;
diff --git a/package/hotplug2/patches/130-cancel_download_fix.patch b/package/hotplug2/patches/130-cancel_download_fix.patch
deleted file mode 100644
index c94000dcc9..0000000000
--- a/package/hotplug2/patches/130-cancel_download_fix.patch
+++ /dev/null
@@ -1,18 +0,0 @@
---- a/rules/command.c
-+++ b/rules/command.c
-@@ -385,13 +385,13 @@ RULES_COMMAND_F(cmd_firmware) {
- 
- 	infp = fopen(firmware_path, "r");
- 	if (infp == NULL) {
--		echo_to_file(sysfs_path_loading, "0\n", 2);
-+		echo_to_file(sysfs_path_loading, "-1\n", 2);
- 		return -1;
- 	}
- 	outfp = fopen(sysfs_path_data, "w");
- 	if (outfp == NULL) {
- 		fclose(infp);
--		echo_to_file(sysfs_path_loading, "0\n", 2);
-+		echo_to_file(sysfs_path_loading, "-1\n", 2);
- 		return -1;
- 	}
- 
diff --git a/package/hotplug2/patches/140-worker_fork_fix.patch b/package/hotplug2/patches/140-worker_fork_fix.patch
deleted file mode 100644
index 5e288ae3c5..0000000000
--- a/package/hotplug2/patches/140-worker_fork_fix.patch
+++ /dev/null
@@ -1,237 +0,0 @@
---- a/action.c
-+++ b/action.c
-@@ -39,7 +39,7 @@ static void action_dumb(const struct set
-  * Returns: Newly allocated string in "key=value" form
-  *
-  */
--static char* alloc_env(const char *key, const char *value) {
-+char* alloc_env(const char *key, const char *value) {
- 	size_t keylen, vallen;
- 	char *combined;
- 
---- a/action.h
-+++ b/action.h
-@@ -12,5 +12,6 @@
- #include "settings.h"
- 
- void action_perform(struct settings_t *, struct uevent_t *);
-+char* alloc_env(const char *, const char *);
- #endif /* ifndef ACTION_H */
- 
---- a/workers/worker_fork.c
-+++ b/workers/worker_fork.c
-@@ -1,6 +1,69 @@
- #include "worker_fork.h"
- 
- static struct worker_fork_ctx_t *global_ctx;
-+static struct worker_fork_uevent_t *uevent_list;
-+
-+static void worker_fork_uevent_free(struct worker_fork_uevent_t *node) {
-+	uevent_free(node->uevent);
-+	free(node);
-+}
-+
-+static void worker_fork_uevent_add(void *in_ctx, struct uevent_t *uevent) {
-+	char **env;
-+	int i;
-+	struct worker_fork_ctx_t *ctx = in_ctx;
-+	struct worker_fork_uevent_t *node, *walker;
-+
-+	node = malloc(sizeof (struct worker_fork_uevent_t));
-+	node->uevent = uevent_dup(uevent);
-+	node->next = NULL;
-+
-+	if (!uevent_list) uevent_list = node;
-+	else {
-+		/*
-+		 * Put events that need to fork first and in reverse order
-+		 */
-+		env = xmalloc(sizeof(char *) * node->uevent->env_vars_c);
-+		for (i = 0; i < node->uevent->env_vars_c; i++) {
-+			env[i] = alloc_env(node->uevent->env_vars[i].key, node->uevent->env_vars[i].value);
-+			putenv(env[i]);
-+		}
-+		if (ruleset_flags(&ctx->settings->rules, uevent) & FLAG_SLOW) {
-+			node->next = uevent_list;
-+			uevent_list = node;
-+		}
-+		else {
-+			for (walker = uevent_list; walker->next; walker = walker->next);
-+			walker->next = node;
-+		}
-+		for (i = 0; i < node->uevent->env_vars_c; i++) {
-+			unsetenv(node->uevent->env_vars[i].key);
-+			free(env[i]);
-+		}
-+		free(env);
-+	}
-+}
-+
-+static void worker_fork_uevent_del(struct worker_fork_uevent_t *node) {
-+	struct worker_fork_uevent_t *walker;
-+
-+	if (node == uevent_list) {
-+		uevent_list = node->next;
-+	}
-+	else {
-+		for (walker = uevent_list; walker->next; walker = walker->next)
-+			if (walker->next == node) walker->next = node->next;
-+	}
-+	worker_fork_uevent_free(node);
-+}
-+
-+static void worker_fork_uevent_empty(void) {
-+	struct worker_fork_uevent_t *walker;
-+
-+	if (!uevent_list) return;
-+	for (walker = uevent_list; walker->next; walker = walker->next) worker_fork_uevent_free(walker);
-+	uevent_list = NULL;
-+}
- 
- /**
-  * Destroys data structures related to the given child ID (not PID).
-@@ -315,6 +378,8 @@ static void *worker_fork_init(struct set
- 	struct worker_fork_ctx_t *ctx;
- 	PRINTFUNC();
- 
-+	uevent_list = NULL;
-+
- 	ctx = malloc(sizeof(struct worker_fork_ctx_t));
- 	ctx->children = NULL;
- 	ctx->children_count = 0;
-@@ -376,26 +441,39 @@ static void worker_fork_deinit(void *in_
- 	free(ctx->children);
- 	free(ctx);
- 	global_ctx = NULL;
-+	worker_fork_uevent_empty();
- }
- 
- 
- static int worker_fork_process(void *in_ctx, struct uevent_t *uevent) {
-+	char **env;
- 	int i;
- 	struct worker_fork_child_t *child;
- 	struct worker_fork_ctx_t *ctx = in_ctx;
-+	struct worker_fork_uevent_t *node, *walker;
-+	event_seqnum_t seqnum;
-+
-+	worker_fork_uevent_add(ctx, uevent);
-+	walker = uevent_list;
- 
- 	/*
--	 * A big loop, because if we fail to process the event,
-+	 * A big loop, because if we fail to process the events,
- 	 * we don't want to give up.
- 	 *
- 	 * TODO: Decide if we want to limit the number of attempts
- 	 * or set a time limit before reporting terminal failure.
- 	 */
- 	do {
-+		/*
-+		 * If more events are waiting, return to receive them
-+		 */
-+		if (!seqnum_get(&seqnum) && seqnum > uevent->seqnum) break;
-+
-+		node = walker;
- 		worker_fork_update_children(ctx);
- 
- 		child = NULL;
--		for (i = 0; i < ctx->children_count; i++) {
-+		for (i = 0; i < ctx->children_count && i < ctx->max_children; i++) {
- 			if (ctx->children[i]->busy == 0) {
- 				child = ctx->children[i];
- 				break;
-@@ -406,21 +484,40 @@ static int worker_fork_process(void *in_
- 		 * No child process is currently available.
- 		 */
- 		if (child == NULL) {
-+			bool is_slow;
-+
-+			env = xmalloc(sizeof(char *) * node->uevent->env_vars_c);
-+			for (i = 0; i < node->uevent->env_vars_c; i++) {
-+				env[i] = alloc_env(node->uevent->env_vars[i].key, node->uevent->env_vars[i].value);
-+				putenv(env[i]);
-+			}
-+
-+			is_slow = !!(ruleset_flags(&ctx->settings->rules, node->uevent) & FLAG_MASK_SLOW);
-+
-+			for (i = 0; i < node->uevent->env_vars_c; i++) {
-+				unsetenv(node->uevent->env_vars[i].key);
-+				free(env[i]);
-+			}
-+			free(env);
-+
- 			/*
- 			 * Are the matching rules trivial enough that we
- 			 * can execute them in the main process?
- 			 */
--			if (ctx->always_fork == 0 && ctx->settings->dumb == 0 && 
--			(ruleset_flags(&ctx->settings->rules, uevent) & FLAG_MASK_SLOW) == 0) {
--				action_perform(ctx->settings, uevent);
-+			if (ctx->always_fork == 0 && ctx->settings->dumb == 0 && !is_slow) {
-+				action_perform(ctx->settings, node->uevent);
-+				walker = walker->next;
-+				worker_fork_uevent_del(node);
-+				if (walker) continue;
- 				break;
- 			}
--			
-+
- 			/*
- 			 * We have to fork off a new child.
- 			 */
- 			if (ctx->children_count < ctx->max_children)
- 				child = worker_fork_spawn(ctx);
-+
- 		}
- 
- 		/*
-@@ -428,9 +525,14 @@ static int worker_fork_process(void *in_
- 		 */
- 		if (child != NULL) {
- 			child->busy = 1;
--			if (!worker_fork_relay_event(child->event_fd, uevent));
--				break;
--			child->busy = 0;
-+			if (worker_fork_relay_event(child->event_fd, node->uevent)) {
-+				child->busy = 0;
-+				continue;
-+			}
-+			walker = walker->next;
-+			worker_fork_uevent_del(node);
-+			if (walker) continue;
-+			break;
- 		}
- 
- 		/* 
---- a/uevent.c
-+++ b/uevent.c
-@@ -132,6 +132,8 @@ struct uevent_t *uevent_dup(const struct
- 	
- 	dest = xmalloc(sizeof(struct uevent_t));
- 	dest->action = src->action;
-+	dest->seqnum = src->seqnum;
-+	dest->action_str = strdup(src->action_str);
- 	dest->env_vars_c = src->env_vars_c;
- 	dest->env_vars = xmalloc(sizeof(struct env_var_t) * dest->env_vars_c);
- 	dest->plain_s = src->plain_s;
---- a/workers/worker_fork.h
-+++ b/workers/worker_fork.h
-@@ -5,6 +5,7 @@
- #include <sys/types.h>
- #include <sys/select.h>
- #include <unistd.h>
-+#include <stdbool.h>
- 
- #include "../rules/execution.h"
- 
-@@ -35,4 +36,9 @@ struct worker_fork_ctx_t {
- 	struct settings_t			*settings;
- };
- 
-+struct worker_fork_uevent_t {
-+	struct uevent_t *uevent;
-+	struct worker_fork_uevent_t *next;
-+};
-+
- #endif
diff --git a/package/hotplug2/patches/170-non_fatal_include.patch b/package/hotplug2/patches/170-non_fatal_include.patch
deleted file mode 100644
index 0b8e852832..0000000000
--- a/package/hotplug2/patches/170-non_fatal_include.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-Index: hotplug2-201/parser/parser.c
-===================================================================
---- hotplug2-201.orig/parser/parser.c	2009-12-09 19:44:13.000000000 +0100
-+++ hotplug2-201/parser/parser.c	2011-02-08 18:06:44.681213713 +0100
-@@ -1,5 +1,7 @@
- #include "parser.h"
- 
-+#include <errno.h>
-+
- /*
-  * Grammar: 
-  * input => directive // TOKEN_ROOTKW
-@@ -578,7 +580,7 @@
- 	ctx.lexer.fp = fopen(filename, "r");
- 	if (ctx.lexer.fp == NULL) {
- 		parser_clear(&ctx);
--		return -1;
-+		return (errno == ENOENT) ? 0 : -1;
- 	}
- 	ctx.lexer.filename = strdup(filename);
- 
diff --git a/package/hotplug2/src/udevtrigger.c b/package/hotplug2/src/udevtrigger.c
deleted file mode 100644
index 297e64cc96..0000000000
--- a/package/hotplug2/src/udevtrigger.c
+++ /dev/null
@@ -1,345 +0,0 @@
-/*
- * Copyright (C) 2004-2006 Kay Sievers <kay@vrfy.org>
- * Copyright (C) 2006 Hannes Reinecke <hare@suse.de>
- *
- *	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 <stdlib.h>
-#include <stddef.h>
-#include <stdarg.h>
-#include <string.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <errno.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <syslog.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#define PATH_SIZE 512
-
-static int verbose;
-static int dry_run;
-
-void log_message(int priority, const char *format, ...)
-{
-	va_list args;
-
-	va_start(args, format);
-	vsyslog(priority, format, args);
-	va_end(args);
-}
-
-#undef err
-#define err(format, arg...)                         \
-    do {                                    \
-        log_message(LOG_ERR ,"%s: " format ,__FUNCTION__ ,## arg);  \
-    } while (0)
-
-#undef info
-#define info(format, arg...)                            \
-    do {                                    \
-        log_message(LOG_INFO ,"%s: " format ,__FUNCTION__ ,## arg); \
-    } while (0)
-
-#ifdef DEBUG
-#undef dbg
-#define dbg(format, arg...)                         \
-    do {                                    \
-        log_message(LOG_DEBUG ,"%s: " format ,__FUNCTION__ ,## arg);    \
-    } while (0)
-#else
-#define dbg(...) do {} while(0)
-#endif
-
-
-static void trigger_uevent(const char *devpath)
-{
-	char filename[PATH_SIZE];
-	int fd;
-
-	strlcpy(filename, "/sys", sizeof(filename));
-	strlcat(filename, devpath, sizeof(filename));
-	strlcat(filename, "/uevent", sizeof(filename));
-
-	if (verbose)
-		printf("%s\n", devpath);
-
-	if (dry_run)
-		return;
-
-	fd = open(filename, O_WRONLY);
-	if (fd < 0) {
-		dbg("error on opening %s: %s\n", filename, strerror(errno));
-		return;
-	}
-
-	if (write(fd, "add", 3) < 0)
-		info("error on triggering %s: %s\n", filename, strerror(errno));
-
-	close(fd);
-}
-
-static int sysfs_resolve_link(char *devpath, size_t size)
-{
-	char link_path[PATH_SIZE];
-	char link_target[PATH_SIZE];
-	int len;
-	int i;
-	int back;
-
-	strlcpy(link_path, "/sys", sizeof(link_path));
-	strlcat(link_path, devpath, sizeof(link_path));
-	len = readlink(link_path, link_target, sizeof(link_target));
-	if (len <= 0)
-		return -1;
-	link_target[len] = '\0';
-	dbg("path link '%s' points to '%s'", devpath, link_target);
-
-	for (back = 0; strncmp(&link_target[back * 3], "../", 3) == 0; back++)
-		;
-	dbg("base '%s', tail '%s', back %i", devpath, &link_target[back * 3], back);
-	for (i = 0; i <= back; i++) {
-		char *pos = strrchr(devpath, '/');
-
-		if (pos == NULL)
-			return -1;
-		pos[0] = '\0';
-	}
-	dbg("after moving back '%s'", devpath);
-	strlcat(devpath, "/", size);
-	strlcat(devpath, &link_target[back * 3], size);
-	return 0;
-}
-
-
-static int device_list_insert(const char *path)
-{
-	char filename[PATH_SIZE];
-	char devpath[PATH_SIZE];
-	struct stat statbuf;
-
-	dbg("add '%s'" , path);
-
-	/* we only have a device, if we have an uevent file */
-	strlcpy(filename, path, sizeof(filename));
-	strlcat(filename, "/uevent", sizeof(filename));
-	if (stat(filename, &statbuf) < 0)
-		return -1;
-	if (!(statbuf.st_mode & S_IWUSR))
-		return -1;
-
-	strlcpy(devpath, &path[4], sizeof(devpath));
-
-	/* resolve possible link to real target */
-	if (lstat(path, &statbuf) < 0)
-		return -1;
-	if (S_ISLNK(statbuf.st_mode))
-		if (sysfs_resolve_link(devpath, sizeof(devpath)) != 0)
-			return -1;
-
-	trigger_uevent(devpath);
-	return 0;
-}
-
-
-static void scan_subsystem(const char *subsys)
-{
-	char base[PATH_SIZE];
-	DIR *dir;
-	struct dirent *dent;
-
-	strlcpy(base, "/sys/", sizeof(base));
-	strlcat(base, subsys, sizeof(base));
-
-	dir = opendir(base);
-	if (dir != NULL) {
-		for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-			char dirname[PATH_SIZE];
-			DIR *dir2;
-			struct dirent *dent2;
-
-			if (dent->d_name[0] == '.')
-				continue;
-
-			strlcpy(dirname, base, sizeof(dirname));
-			strlcat(dirname, "/", sizeof(dirname));
-			strlcat(dirname, dent->d_name, sizeof(dirname));
-			strlcat(dirname, "/devices", sizeof(dirname));
-
-			/* look for devices */
-			dir2 = opendir(dirname);
-			if (dir2 != NULL) {
-				for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
-					char dirname2[PATH_SIZE];
-
-					if (dent2->d_name[0] == '.')
-						continue;
-
-					strlcpy(dirname2, dirname, sizeof(dirname2));
-					strlcat(dirname2, "/", sizeof(dirname2));
-					strlcat(dirname2, dent2->d_name, sizeof(dirname2));
-					device_list_insert(dirname2);
-				}
-				closedir(dir2);
-			}
-		}
-		closedir(dir);
-	}
-}
-
-static void scan_block(void)
-{
-	char base[PATH_SIZE];
-	DIR *dir;
-	struct dirent *dent;
-
-	strlcpy(base, "/sys/block", sizeof(base));
-
-	dir = opendir(base);
-	if (dir != NULL) {
-		for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-			char dirname[PATH_SIZE];
-			DIR *dir2;
-			struct dirent *dent2;
-
-			if (dent->d_name[0] == '.')
-				continue;
-
-			strlcpy(dirname, base, sizeof(dirname));
-			strlcat(dirname, "/", sizeof(dirname));
-			strlcat(dirname, dent->d_name, sizeof(dirname));
-			if (device_list_insert(dirname) != 0)
-				continue;
-
-			/* look for partitions */
-			dir2 = opendir(dirname);
-			if (dir2 != NULL) {
-				for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
-					char dirname2[PATH_SIZE];
-
-					if (dent2->d_name[0] == '.')
-						continue;
-
-					if (!strcmp(dent2->d_name,"device"))
-						continue;
-
-					strlcpy(dirname2, dirname, sizeof(dirname2));
-					strlcat(dirname2, "/", sizeof(dirname2));
-					strlcat(dirname2, dent2->d_name, sizeof(dirname2));
-					device_list_insert(dirname2);
-				}
-				closedir(dir2);
-			}
-		}
-		closedir(dir);
-	}
-}
-
-static void scan_class(void)
-{
-	char base[PATH_SIZE];
-	DIR *dir;
-	struct dirent *dent;
-
-	strlcpy(base, "/sys/class", sizeof(base));
-
-	dir = opendir(base);
-	if (dir != NULL) {
-		for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-			char dirname[PATH_SIZE];
-			DIR *dir2;
-			struct dirent *dent2;
-
-			if (dent->d_name[0] == '.')
-				continue;
-
-			strlcpy(dirname, base, sizeof(dirname));
-			strlcat(dirname, "/", sizeof(dirname));
-			strlcat(dirname, dent->d_name, sizeof(dirname));
-			dir2 = opendir(dirname);
-			if (dir2 != NULL) {
-				for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
-					char dirname2[PATH_SIZE];
-
-					if (dent2->d_name[0] == '.')
-						continue;
-
-					if (!strcmp(dent2->d_name, "device"))
-						continue;
-
-					strlcpy(dirname2, dirname, sizeof(dirname2));
-					strlcat(dirname2, "/", sizeof(dirname2));
-					strlcat(dirname2, dent2->d_name, sizeof(dirname2));
-					device_list_insert(dirname2);
-				}
-				closedir(dir2);
-			}
-		}
-		closedir(dir);
-	}
-}
-
-int main(int argc, char *argv[], char *envp[])
-{
-	char base[PATH_SIZE];
-	struct stat statbuf;
-	int failed = 0;
-	int option;
-
-	openlog("udevtrigger", LOG_PID | LOG_CONS, LOG_DAEMON);
-
-	while (1) {
-		option = getopt(argc, argv, "vnh");
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'v':
-			verbose = 1;
-			break;
-		case 'n':
-			dry_run = 1;
-			break;
-		case 'h':
-			printf("Usage: udevtrigger OPTIONS\n"
-			       "  -v                     print the list of devices while running\n"
-			       "  -n                     do not actually trigger the events\n"
-			       "  -h                     print this text\n"
-			       "\n");
-			goto exit;
-		default:
-			goto exit;
-		}
-	}
-
-
-	/* if we have /sys/subsystem, forget all the old stuff */
-	scan_subsystem("bus");
-	scan_class();
-
-	/* scan "block" if it isn't a "class" */
-	strlcpy(base, "/sys/class/block", sizeof(base));
-	if (stat(base, &statbuf) != 0)
-		scan_block();
-
-exit:
-
-	closelog();
-	return 0;
-}