Instead of linking directly to libudev, create a plugin system for /dev

management. This allows dhcpcd to work even if udev removed and adds the
ability to change from udev to something else in the future.

1 files changed, 7 insertions, 0 deletions

diff --git a/dhcpcd.c b/dhcpcd.c
index f94b2d4f..54fab9a3 100644
--- a/dhcpcd.c
+++ b/dhcpcd.c
@@ -54,6 +54,7 @@ const char copyright[] = "Copyright (c) 2006-2013 Roy Marples";
 #include "config.h"
 #include "common.h"
 #include "control.h"
+#include "dev.h"
 #include "dhcpcd.h"
 #include "dhcp6.h"
 #include "eloop.h"
@@ -158,6 +159,7 @@ cleanup(void)
 	free(ifdv);
 #endif
 
+	dev_stop();
 	if (linkfd != -1)
 		close(linkfd);
 	if (pidfd > -1) {
@@ -1210,6 +1212,11 @@ main(int argc, char **argv)
 	if (ifc == 1)
 		options |= DHCPCD_WAITIP;
 
+	/* Start any dev listening plugin which may want to
+	 * change the interface name provided by the kernel */
+	if (options & DHCPCD_DEV)
+		dev_start(dev_load);
+
 	/* RTM_NEWADDR goes through the link socket as well which we
 	 * need for IPv6 DAD, so we check for DHCPCD_LINK in handle_carrier
 	 * instead.