X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev.c;h=cac60fd932bfcff1e3b72d2db1e6431fd73fba0e;hb=069410dbb4769595f57d6208c4a524b2eaa2659c;hp=10a937e4724f54bc69d609960b8799916f7dc182;hpb=7257cb18458e6b51cc9655887b7f9745f704b71f;p=elogind.git

diff --git a/udev.c b/udev.c
index 10a937e47..cac60fd93 100644
--- a/udev.c
+++ b/udev.c
@@ -20,7 +20,6 @@
  *
  */
 
-#define _KLIBC_HAS_ARCH_SIG_ATOMIC_T
 #include <stdio.h>
 #include <stddef.h>
 #include <stdlib.h>
@@ -28,10 +27,12 @@
 #include <ctype.h>
 #include <errno.h>
 #include <signal.h>
+#include <unistd.h>
 
 #include "libsysfs/sysfs/libsysfs.h"
 #include "udev.h"
 #include "udev_lib.h"
+#include "udev_sysfs.h"
 #include "udev_version.h"
 #include "logging.h"
 #include "namedev.h"
@@ -75,41 +76,12 @@ static void asmlinkage sig_handler(int signum)
 	}
 }
 
-/* list of subsystems we don't care about. not listing such systems here
- * is not critical, but it makes it faster as we don't look for the "dev" file
- */
-static int subsystem_without_dev(const char *subsystem)
-{
-	char *subsystem_blacklist[] = {
-		"scsi_host",
-		"scsi_device",
-		"usb_host",
-		"pci_bus",
-		"pcmcia_socket",
-		"bluetooth",
-		"i2c-adapter",
-		"pci_bus",
-		"ieee1394",
-		"ieee1394_host",
-		"ieee1394_node",
-		NULL
-	};
-	char **subsys;
-
-	for (subsys = subsystem_blacklist; *subsys != NULL; subsys++) {
-		if (strcmp(subsystem, *subsys) == 0)
-			return 1;
-	}
-
-	return 0;
-}
-
 int main(int argc, char *argv[], char *envp[])
 {
 	struct sigaction act;
-	char *action;
-	char *devpath = "";
-	char *subsystem = "";
+	struct sysfs_class_device *class_dev;
+	struct udevice udev;
+	char path[SYSFS_PATH_MAX];
 	int retval = -EINVAL;
 	enum {
 		ADD,
@@ -129,7 +101,10 @@ int main(int argc, char *argv[], char *envp[])
 	if (strstr(argv[0], "udevstart")) {
 		act_type = UDEVSTART;
 	} else {
-		action = get_action();
+		const char *action = get_action();
+		const char *devpath = get_devpath();
+		const char *subsystem = get_subsystem(main_argv[1]);
+
 		if (!action) {
 			dbg("no action?");
 			goto exit;
@@ -139,11 +114,10 @@ int main(int argc, char *argv[], char *envp[])
 		} else if (strcmp(action, "remove") == 0) {
 			act_type = REMOVE;
 		} else {
-			dbg("unknown action '%s'", action);
+			dbg("no action '%s' for us", action);
 			goto exit;
 		}
 
-		devpath = get_devpath();
 		if (!devpath) {
 			dbg("no devpath?");
 			goto exit;
@@ -156,17 +130,19 @@ int main(int argc, char *argv[], char *envp[])
 			goto exit;
 		}
 
-		subsystem = get_subsystem(main_argv[1]);
 		if (!subsystem) {
-			dbg("no subsystem?");
+			dbg("no subsystem");
 			goto exit;
 		}
 
+		udev_set_values(&udev, devpath, subsystem);
+
 		/* skip blacklisted subsystems */
-		if (subsystem_without_dev(subsystem)) {
+		if (udev.type != 'n' && subsystem_expect_no_dev(subsystem)) {
 			dbg("don't care about '%s' devices", subsystem);
-			exit(0);
+			goto exit;
 		};
+
 	}
 
 	/* set signal handlers */
@@ -192,12 +168,35 @@ int main(int argc, char *argv[], char *envp[])
 		break;
 	case ADD:
 		dbg("udev add");
+
+		/* open the device */
+		snprintf(path, SYSFS_PATH_MAX, "%s%s", sysfs_path, udev.devpath);
+		class_dev = sysfs_open_class_device_path(path);
+		if (class_dev == NULL) {
+			dbg ("sysfs_open_class_device_path failed");
+			break;
+		}
+		dbg("opened class_dev->name='%s'", class_dev->name);
+
+		/* init rules */
 		namedev_init();
-		retval = udev_add_device(devpath, subsystem, NOFAKE);
+
+		/* name, create node, store in db */
+		retval = udev_add_device(&udev, class_dev);
+
+		/* run scripts */
+		dev_d_execute(&udev);
+
+		sysfs_close_class_device(class_dev);
 		break;
 	case REMOVE:
 		dbg("udev remove");
-		retval = udev_remove_device(devpath, subsystem);
+
+		/* get node from db, delete it*/
+		retval = udev_remove_device(&udev);
+
+		/* run scripts */
+		dev_d_execute(&udev);
 	}
 
 	udevdb_exit();