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authorJohn Crispin <john@openwrt.org>2013-06-21 16:52:56 +0000
committerJohn Crispin <john@openwrt.org>2013-06-21 16:52:56 +0000
commit08de6fcc12b413620cab4375d9a27b06e9c3ff93 (patch)
tree36515e2f4a17c3e60d176601e73f003fd48a5702
parente3dcf2448fa1a8267831b1bd4e236e5f392f7ff9 (diff)
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hotplug2: procd does the hotplugging now
Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 36987
-rw-r--r--package/hotplug2/Makefile66
-rw-r--r--package/hotplug2/files/hotplug2.rules10
-rw-r--r--package/hotplug2/patches/100-env_memleak.patch63
-rw-r--r--package/hotplug2/patches/110-static_worker.patch20
-rw-r--r--package/hotplug2/patches/120-sysfs_path_fix.patch14
-rw-r--r--package/hotplug2/patches/130-cancel_download_fix.patch18
-rw-r--r--package/hotplug2/patches/140-worker_fork_fix.patch237
-rw-r--r--package/hotplug2/patches/170-non_fatal_include.patch21
-rw-r--r--package/hotplug2/src/udevtrigger.c345
9 files changed, 0 insertions, 794 deletions
diff --git a/package/hotplug2/Makefile b/package/hotplug2/Makefile
deleted file mode 100644
index 0746d18..0000000
--- 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 $(call BuildPackage,hotplug2))
diff --git a/package/hotplug2/files/hotplug2.rules b/package/hotplug2/files/hotplug2.rules
deleted file mode 100644
index 246cc3a..0000000
--- a/package/hotplug2/files/hotplug2.rules
+++ /dev/null
@@ -1,10 +0,0 @@
-$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 28a3e25..0000000
--- 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 3a5181f..0000000
--- 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 0903057..0000000
--- 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 c94000d..0000000
--- 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 5e288ae..0000000
--- 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 0b8e852..0000000
--- 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 297e64c..0000000
--- 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;
-}