auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 420 deletions

diff --git a/configure.c b/configure.c
deleted file mode 100644
index dad3bce..0000000
--- a/configure.c
+++ /dev/null
@@ -1,420 +0,0 @@
-/* 
- * dhcpcd - DHCP client daemon
- * Copyright 2006-2008 Roy Marples <roy@marples.name>
- * All rights reserved
-
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/stat.h>
-#include <sys/wait.h>
-
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-#include <ctype.h>
-#include <errno.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "config.h"
-#include "common.h"
-#include "configure.h"
-#include "dhcp.h"
-#include "dhcpcd.h"
-#include "logger.h"
-#include "net.h"
-#include "signals.h"
-
-#define DEFAULT_PATH	"PATH=/usr/bin:/usr/sbin:/bin:/sbin"
-
-
-static int
-exec_script(char *const *argv, char *const *env)
-{
-	pid_t pid;
-	sigset_t full;
-	sigset_t old;
-
-	/* OK, we need to block signals */
-	sigfillset(&full);
-	sigprocmask(SIG_SETMASK, &full, &old);
-	signal_reset();
-
-	switch (pid = vfork()) {
-	case -1:
-		logger(LOG_ERR, "vfork: %s", strerror(errno));
-		break;
-	case 0:
-		sigprocmask(SIG_SETMASK, &old, NULL);
-		execve(argv[0], argv, env);
-		logger(LOG_ERR, "%s: %s", argv[0], strerror(errno));
-		_exit(127);
-		/* NOTREACHED */
-	}
-
-	/* Restore our signals */
-	signal_setup();
-	sigprocmask(SIG_SETMASK, &old, NULL);
-	return pid;
-}
-
-int
-run_script(const struct options *options, const char *iface,
-           const char *reason,
-           const struct dhcp_message *dhcpn, const struct dhcp_message *dhcpo)
-{
-	char *const argv[2] = { UNCONST(options->script), NULL };
-	char **env = NULL, **ep;
-	char *path;
-	ssize_t e, elen;
-	pid_t pid;
-	int status = 0;
-
-	logger(LOG_DEBUG, "executing `%s', reason %s", options->script, reason);
-
-	/* Make our env */
-	elen = 5;
-	env = xmalloc(sizeof(char *) * (elen + 1));
-	path = getenv("PATH");
-	if (path) {
-		e = strlen("PATH") + strlen(path) + 2;
-		env[0] = xmalloc(e);
-		snprintf(env[0], e, "PATH=%s", path);
-	} else
-		env[0] = xstrdup(DEFAULT_PATH);
-	e = strlen("interface") + strlen(iface) + 2;
-	env[1] = xmalloc(e);
-	snprintf(env[1], e, "interface=%s", iface);
-	e = strlen("reason") + strlen(reason) + 2;
-	env[2] = xmalloc(e);
-	snprintf(env[2], e, "reason=%s", reason);
-	e = 20;
-	env[3] = xmalloc(e);
-	snprintf(env[3], e, "pid=%d", getpid());
-	env[4] = xmalloc(e);
-	snprintf(env[4], e, "metric=%d", options->metric);
-	if (dhcpo) {
-		e = configure_env(NULL, NULL, dhcpo, options);
-		if (e > 0) {
-			env = xrealloc(env, sizeof(char *) * (elen + e + 1));
-			elen += configure_env(env + elen, "old", dhcpo, options);
-		}
-	}
-	if (dhcpn) {
-		e = configure_env(NULL, NULL, dhcpn, options);
-		if (e > 0) {
-			env = xrealloc(env, sizeof(char *) * (elen + e + 1));
-			elen += configure_env(env + elen, "new", dhcpn, options);
-		}
-	}
-	/* Add our base environment */
-	if (options->environ) {
-		e = 0;
-		while (options->environ[e++])
-			;
-		env = xrealloc(env, sizeof(char *) * (elen + e + 1));
-		e = 0;
-		while (options->environ[e]) {
-			env[elen + e] = xstrdup(options->environ[e]);
-			e++;
-		}
-		elen += e;
-	}
-	env[elen] = '\0';
-
-	pid = exec_script(argv, env);
-	if (pid == -1)
-		status = -1;
-	else if (pid != 0) {
-		/* Wait for the script to finish */
-		while (waitpid(pid, &status, 0) == -1) {
-			if (errno != EINTR) {
-				logger(LOG_ERR, "waitpid: %s", strerror(errno));
-				status = -1;
-				break;
-			}
-		}
-	}
-
-	/* Cleanup */
-	ep = env;
-	while (*ep)
-		free(*ep++);
-	free(env);
-	return status;
-}
-
-static struct rt *
-reverse_routes(struct rt *routes)
-{
-	struct rt *rt;
-	struct rt *rtn = NULL;
-	
-	while (routes) {
-		rt = routes->next;
-		routes->next = rtn;
-		rtn = routes;
-		routes = rt;
-	}
-	return rtn;
-}
-
-static int
-delete_route(const char *iface, struct rt *rt, int metric)
-{
-	char *addr;
-	int retval;
-
-	addr = xstrdup(inet_ntoa(rt->dest));
-	logger(LOG_DEBUG, "deleting route %s/%d via %s",
-	       addr, inet_ntocidr(rt->net), inet_ntoa(rt->gate));
-	free(addr);
-	retval = del_route(iface, &rt->dest, &rt->net, &rt->gate, metric);
-	if (retval != 0 && errno != ENOENT && errno != ESRCH)
-		logger(LOG_ERR," del_route: %s", strerror(errno));
-	return retval;
-}
-
-static int
-delete_routes(struct interface *iface, int metric)
-{
-	struct rt *rt;
-	struct rt *rtn;
-	int retval = 0;
-
-	rt = reverse_routes(iface->routes);
-	while (rt) {
-		rtn = rt->next;
-		retval += delete_route(iface->name, rt, metric);
-		free(rt);
-		rt = rtn;
-	}
-	iface->routes = NULL;
-
-	return retval;
-}
-
-static int
-in_routes(const struct rt *routes, const struct rt *rt)
-{
-	while (routes) {
-		if (routes->dest.s_addr == rt->dest.s_addr &&
-				routes->net.s_addr == rt->net.s_addr &&
-				routes->gate.s_addr == rt->gate.s_addr)
-			return 0;
-		routes = routes->next;
-	}
-	return -1;
-}
-
-static int
-configure_routes(struct interface *iface, const struct dhcp_message *dhcp,
-		 const struct options *options)
-{
-	struct rt *rt, *ort;
-	struct rt *rtn = NULL, *nr = NULL;
-	int remember;
-	int retval = 0;
-	char *addr;
-
-	ort = get_option_routes(dhcp);
-
-#ifdef IPV4LL_ALWAYSROUTE
-	if (options->options & DHCPCD_IPV4LL &&
-	    IN_PRIVATE(ntohl(dhcp->yiaddr)))
-	{
-		for (rt = ort; rt; rt = rt->next) {
-			/* Check if we have already got a link locale route
-			 * dished out by the DHCP server */
-			if (rt->dest.s_addr == htonl(LINKLOCAL_ADDR) &&
-			    rt->net.s_addr == htonl(LINKLOCAL_MASK))
-				break;
-			rtn = rt;
-		}
-
-		if (!rt) {
-			rt = xmalloc(sizeof(*rt));
-			rt->dest.s_addr = htonl(LINKLOCAL_ADDR);
-			rt->net.s_addr = htonl(LINKLOCAL_MASK);
-			rt->gate.s_addr = 0;
-			rt->next = NULL;
-			if (rtn)
-				rtn->next = rt;
-			else
-				ort = rt;
-		}
-	}
-#endif
-
-	/* Now remove old routes we no longer use.
- 	 * We should do this in reverse order. */
-	iface->routes = reverse_routes(iface->routes);
-	for (rt = iface->routes; rt; rt = rt->next)
-		if (in_routes(ort, rt) != 0)
-			delete_route(iface->name, rt, options->metric);
-
-	for (rt = ort; rt; rt = rt->next) {
-		/* Don't set default routes if not asked to */
-		if (rt->dest.s_addr == 0 &&
-		    rt->net.s_addr == 0 &&
-		    !(options->options & DHCPCD_GATEWAY))
-			continue;
-
-		addr = xstrdup(inet_ntoa(rt->dest));
-		logger(LOG_DEBUG, "adding route to %s/%d via %s",
-			addr, inet_ntocidr(rt->net), inet_ntoa(rt->gate));
-		free(addr);
-		remember = add_route(iface->name, &rt->dest,
-				     &rt->net, &rt->gate,
-				     options->metric);
-		retval += remember;
-
-		/* If we failed to add the route, we may have already added it
-		   ourselves. If so, remember it again. */
-		if (remember < 0) {
-			if (errno != EEXIST)
-				logger(LOG_ERR, "add_route: %s",
-				       strerror(errno));
-			if (in_routes(iface->routes, rt) == 0)
-				remember = 1;
-		}
-
-		/* This login is split from above due to the #ifdef below */
-		if (remember >= 0) {
-			if (nr) {
-				rtn->next = xmalloc(sizeof(*rtn));
-				rtn = rtn->next;
-			} else {
-				nr = rtn = xmalloc(sizeof(*rtn));
-			}
-			rtn->dest.s_addr = rt->dest.s_addr;
-			rtn->net.s_addr = rt->net.s_addr;
-			rtn->gate.s_addr = rt->gate.s_addr;
-			rtn->next = NULL;
-		}
-	}
-	free_routes(ort);
-	free_routes(iface->routes);
-	iface->routes = nr;
-	return retval;
-}
-
-static int
-delete_address(struct interface *iface)
-{
-	int retval;
-	logger(LOG_DEBUG, "deleting IP address %s/%d",
-	       inet_ntoa(iface->addr),
-	       inet_ntocidr(iface->net));
-	retval = del_address(iface->name, &iface->addr, &iface->net);
-	if (retval == -1 && errno != EADDRNOTAVAIL) 
-		logger(LOG_ERR, "del_address: %s", strerror(errno));
-	iface->addr.s_addr = 0;
-	iface->net.s_addr = 0;
-	return retval;
-}
-
-int
-configure(struct interface *iface, const char *reason,
-	  const struct dhcp_message *dhcp, const struct dhcp_message *old,
-	  const struct dhcp_lease *lease, const struct options *options,
-	  int up)
-{
-	struct in_addr addr;
-	struct in_addr net;
-	struct in_addr brd;
-#ifdef __linux__
-	struct in_addr dest;
-	struct in_addr gate;
-#endif
-
-	/* Grab our IP config */
-	if (dhcp == NULL)
-		up = 0;
-	else {
-		addr.s_addr = dhcp->yiaddr;
-		if (addr.s_addr == 0)
-			addr.s_addr = lease->addr.s_addr;
-		/* Ensure we have all the needed values */
-		if (get_option_addr(&net.s_addr, dhcp, DHO_SUBNETMASK) == -1)
-			net.s_addr = get_netmask(addr.s_addr);
-		if (get_option_addr(&brd.s_addr, dhcp, DHO_BROADCAST) == -1)
-			brd.s_addr = addr.s_addr | ~net.s_addr;
-	}
-
-	/* If we aren't up, then reset the interface as much as we can */
-	if (!up) {
-		/* Only reset things if we had set them before */
-		if (iface->addr.s_addr != 0) {
-			delete_routes(iface, options->metric);
-			delete_address(iface);
-		}
-
-		run_script(options, iface->name, reason, NULL, old);
-		return 0;
-	}
-
-	/* This also changes netmask */
-	if (!(options->options & DHCPCD_INFORM) ||
-	    !has_address(iface->name, &addr, &net)) {
-		logger(LOG_DEBUG, "adding IP address %s/%d",
-		       inet_ntoa(addr), inet_ntocidr(net));
-		if (add_address(iface->name, &addr, &net, &brd) == -1 &&
-		    errno != EEXIST)
-		{
-			logger(LOG_ERR, "add_address: %s", strerror(errno));
-			return -1;
-		}
-	}
-
-	/* Now delete the old address if different */
-	if (iface->addr.s_addr != addr.s_addr &&
-	    iface->addr.s_addr != 0)
-		delete_address(iface);
-
-#ifdef __linux__
-	/* On linux, we need to change the subnet route to have our metric. */
-	if (iface->addr.s_addr != lease->addr.s_addr &&
-	    options->metric > 0 && net.s_addr != INADDR_BROADCAST)
-	{
-		dest.s_addr = addr.s_addr & net.s_addr;
-		gate.s_addr = 0;
-		add_route(iface->name, &dest, &net, &gate, options->metric);
-		del_route(iface->name, &dest, &net, &gate, 0);
-	}
-#endif
-
-	configure_routes(iface, dhcp, options);
-	up = (iface->addr.s_addr != addr.s_addr ||
-	      iface->net.s_addr != net.s_addr);
-	iface->addr.s_addr = addr.s_addr;
-	iface->net.s_addr = net.s_addr;
-
-	if (!lease->frominfo)
-		if (write_lease(iface, dhcp) == -1)
-			logger(LOG_ERR, "write_lease: %s", strerror(errno));
-
-	run_script(options, iface->name, reason, dhcp, old);
-	return 0;
-}