The patch originated from the Debian project.
-Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
+Signed-off-by: Jo-Philipp Wich <jo@mein.io>
--- a/pppd/ipcp.c
+++ b/pppd/ipcp.c
-@@ -198,6 +198,14 @@ static option_t ipcp_option_list[] = {
+@@ -197,6 +197,14 @@ static option_t ipcp_option_list[] = {
"disable defaultroute option", OPT_ALIAS | OPT_A2CLR,
&ipcp_wantoptions[0].default_route },
{ "proxyarp", o_bool, &ipcp_wantoptions[0].proxy_arp,
"Add proxy ARP entry", OPT_ENABLE|1, &ipcp_allowoptions[0].proxy_arp },
{ "noproxyarp", o_bool, &ipcp_allowoptions[0].proxy_arp,
-@@ -271,7 +279,7 @@ struct protent ipcp_protent = {
+@@ -270,7 +278,7 @@ struct protent ipcp_protent = {
ip_active_pkt
};
static void ipcp_script __P((char *, int)); /* Run an up/down script */
static void ipcp_script_done __P((void *));
-@@ -1761,7 +1769,8 @@ ip_demand_conf(u)
+@@ -1760,7 +1768,8 @@ ip_demand_conf(u)
if (!sifnpmode(u, PPP_IP, NPMODE_QUEUE))
return 0;
if (wo->default_route)
default_route_set[u] = 1;
if (wo->proxy_arp)
if (sifproxyarp(u, wo->hisaddr))
-@@ -1849,7 +1858,8 @@ ipcp_up(f)
+@@ -1848,7 +1857,8 @@ ipcp_up(f)
*/
if (demand) {
if (go->ouraddr != wo->ouraddr || ho->hisaddr != wo->hisaddr) {
if (go->ouraddr != wo->ouraddr) {
warn("Local IP address changed to %I", go->ouraddr);
script_setenv("OLDIPLOCAL", ip_ntoa(wo->ouraddr), 0);
-@@ -1874,7 +1884,8 @@ ipcp_up(f)
+@@ -1873,7 +1883,8 @@ ipcp_up(f)
/* assign a default route through the interface if required */
if (ipcp_wantoptions[f->unit].default_route)
default_route_set[f->unit] = 1;
/* Make a proxy ARP entry if requested. */
-@@ -1924,7 +1935,8 @@ ipcp_up(f)
+@@ -1923,7 +1934,8 @@ ipcp_up(f)
/* assign a default route through the interface if required */
if (ipcp_wantoptions[f->unit].default_route)
default_route_set[f->unit] = 1;
/* Make a proxy ARP entry if requested. */
-@@ -2002,7 +2014,7 @@ ipcp_down(f)
+@@ -2001,7 +2013,7 @@ ipcp_down(f)
sifnpmode(f->unit, PPP_IP, NPMODE_DROP);
sifdown(f->unit);
ipcp_clear_addrs(f->unit, ipcp_gotoptions[f->unit].ouraddr,
}
/* Execute the ip-down script */
-@@ -2018,16 +2030,25 @@ ipcp_down(f)
+@@ -2017,16 +2029,25 @@ ipcp_down(f)
* proxy arp entries, etc.
*/
static void
bool old_vj; /* use old (short) form of VJ option? */
--- a/pppd/pppd.8
+++ b/pppd/pppd.8
-@@ -121,6 +121,11 @@ the gateway, when IPCP negotiation is su
+@@ -133,6 +133,11 @@ the gateway, when IPv6CP negotiation is
This entry is removed when the PPP connection is broken. This option
- is privileged if the \fInodefaultroute\fR option has been specified.
+ is privileged if the \fInodefaultroute6\fR option has been specified.
.TP
+.B replacedefaultroute
+This option is a flag to the defaultroute option. If defaultroute is
.B disconnect \fIscript
Execute the command specified by \fIscript\fR, by passing it to a
shell, after
-@@ -734,7 +739,12 @@ disable both forms of hardware flow cont
+@@ -756,7 +761,12 @@ disable both forms of hardware flow cont
.TP
.B nodefaultroute
Disable the \fIdefaultroute\fR option. The system administrator who
+wishes to prevent users from replacing a default route with pppd
can do so by placing this option in the /etc/ppp/options file.
.TP
- .B nodeflate
+ .B nodefaultroute6
--- a/pppd/pppd.h
+++ b/pppd/pppd.h
-@@ -667,7 +667,7 @@ int sif6addr __P((int, eui64_t, eui64_t
+@@ -684,7 +684,7 @@ int sif6addr __P((int, eui64_t, eui64_t
int cif6addr __P((int, eui64_t, eui64_t));
/* Remove an IPv6 address from i/f */
#endif
/* Delete default route through i/f */
--- a/pppd/sys-linux.c
+++ b/pppd/sys-linux.c
-@@ -207,6 +207,8 @@ static unsigned char inbuf[512]; /* buff
- static int if_is_up; /* Interface has been marked up */
+@@ -209,6 +209,8 @@ static int if_is_up; /* Interface has be
static int if6_is_up; /* Interface has been marked up for IPv6, to help differentiate */
static int have_default_route; /* Gateway for default route added */
+ static int have_default_route6; /* Gateway for default IPv6 route added */
+static struct rtentry old_def_rt; /* Old default route */
+static int default_rt_repl_rest; /* replace and restore old default rt */
static u_int32_t proxy_arp_addr; /* Addr for proxy arp entry added */
static char proxy_arp_dev[16]; /* Device for proxy arp entry */
static u_int32_t our_old_addr; /* for detecting address changes */
-@@ -1552,6 +1554,9 @@ static int read_route_table(struct rtent
+@@ -1577,6 +1579,9 @@ static int read_route_table(struct rtent
p = NULL;
}
SIN_ADDR(rt->rt_dst) = strtoul(cols[route_dest_col], NULL, 16);
SIN_ADDR(rt->rt_gateway) = strtoul(cols[route_gw_col], NULL, 16);
SIN_ADDR(rt->rt_genmask) = strtoul(cols[route_mask_col], NULL, 16);
-@@ -1621,20 +1626,51 @@ int have_route_to(u_int32_t addr)
+@@ -1649,20 +1654,52 @@ int have_route_to(u_int32_t addr)
/********************************************************************
*
* sifdefaultroute - assign a default route through the address given.
-{
- struct rtentry rt;
-
-- if (defaultroute_exists(&rt) && strcmp(rt.rt_dev, ifname) != 0) {
+- if (defaultroute_exists(&rt, dfl_route_metric) && strcmp(rt.rt_dev, ifname) != 0) {
- if (rt.rt_flags & RTF_GATEWAY)
-- error("not replacing existing default route via %I",
-- SIN_ADDR(rt.rt_gateway));
+- error("not replacing existing default route via %I with metric %d",
+- SIN_ADDR(rt.rt_gateway), dfl_route_metric);
- else
+ *
+ * If the global default_rt_repl_rest flag is set, then this function
+ are called again, we will delete the current default route
+ and set the new default route in this function.
+ - this is normally only the case the doing demand: */
-+ if (defaultroute_exists(&tmp_rt))
++ if (defaultroute_exists(&tmp_rt, dfl_route_metric))
+ del_rt = &tmp_rt;
-+ } else if (defaultroute_exists(&old_def_rt) &&
++ } else if (defaultroute_exists(&old_def_rt, dfl_route_metric) &&
+ strcmp(old_def_rt.rt_dev, ifname) != 0) {
+ /* We did not yet replace an existing default route, let's
+ check if we should save and replace a default route: */
+ if (old_def_rt.rt_flags & RTF_GATEWAY) {
+ if (!replace) {
-+ error("not replacing existing default route via %I",
-+ SIN_ADDR(old_def_rt.rt_gateway));
++ error("not replacing existing default route via %I with metric %d",
++ SIN_ADDR(old_def_rt.rt_gateway), dfl_route_metric);
+ return 0;
+ } else {
+ /* we need to copy rt_dev because we need it permanent too: */
+ strcpy(tmp_dev, old_def_rt.rt_dev);
+ old_def_rt.rt_dev = tmp_dev;
+
-+ notice("replacing old default route to %s [%I]",
-+ old_def_rt.rt_dev, SIN_ADDR(old_def_rt.rt_gateway));
++ notice("replacing old default route to %s [%I] with metric %d",
++ old_def_rt.rt_dev, SIN_ADDR(old_def_rt.rt_gateway),
++ dfl_route_metric);
+ default_rt_repl_rest = 1;
+ del_rt = &old_def_rt;
+ }
+ } else
- error("not replacing existing default route through %s",
-- rt.rt_dev);
+ error("not replacing existing default route through %s with metric %d",
+- rt.rt_dev, dfl_route_metric);
- return 0;
-+ old_def_rt.rt_dev);
++ old_def_rt.rt_dev, dfl_route_metric);
}
memset (&rt, 0, sizeof (rt));
-@@ -1649,10 +1685,16 @@ int sifdefaultroute (int unit, u_int32_t
+@@ -1678,10 +1715,16 @@ int sifdefaultroute (int unit, u_int32_t
rt.rt_flags = RTF_UP;
if (ioctl(sock_fd, SIOCADDRT, &rt) < 0) {
have_default_route = 1;
return 1;
-@@ -1683,11 +1725,21 @@ int cifdefaultroute (int unit, u_int32_t
+@@ -1715,11 +1758,21 @@ int cifdefaultroute (int unit, u_int32_t
rt.rt_flags = RTF_UP;
if (ioctl(sock_fd, SIOCDELRT, &rt) < 0 && errno != ESRCH) {
if (still_ppp()) {
}
--- a/pppd/sys-solaris.c
+++ b/pppd/sys-solaris.c
-@@ -2039,12 +2039,18 @@ cifaddr(u, o, h)
+@@ -2120,12 +2120,18 @@ cifaddr(u, o, h)
* sifdefaultroute - assign a default route through the address given.
*/
int
projects / openwrt / staging / mkresin.git / blobdiff