diff options
Diffstat (limited to 'main/ppp/defaultroute-metric.3.patch')
| -rw-r--r-- | main/ppp/defaultroute-metric.3.patch | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/main/ppp/defaultroute-metric.3.patch b/main/ppp/defaultroute-metric.3.patch new file mode 100644 index 0000000000..2eee724c23 --- /dev/null +++ b/main/ppp/defaultroute-metric.3.patch @@ -0,0 +1,129 @@ +Default route metric + +Define the metric of the default route and only add it if there +is no other default route with the same metric. With the default +value of -1, the route is only added if there is no default route +at all. + +Olivier Mehani <olivier.mehani@nicta.com.au> +Index: ppp-2.4.4/pppd/options.c +=================================================================== +--- ppp-2.4.4.orig/pppd/options.c 2006-06-18 21:26:00.000000000 +1000 ++++ ppp-2.4.4/pppd/options.c 2010-04-22 17:08:38.000000000 +1000 +@@ -119,6 +119,7 @@ + bool dryrun; /* print out option values and exit */ + char *domain; /* domain name set by domain option */ + int child_wait = 5; /* # seconds to wait for children at exit */ ++int dfl_route_metric = -1; /* metric of the default route to set over the PPP link */ + + #ifdef MAXOCTETS + unsigned int maxoctets = 0; /* default - no limit */ +@@ -281,6 +282,10 @@ + "Number of seconds to wait for child processes at exit", + OPT_PRIO }, + ++ { "defaultroute-metric", o_int, &dfl_route_metric, ++ "Metric to use for the default route (Linux only; -1 for default behavior)", ++ OPT_PRIV|OPT_LLIMIT|OPT_INITONLY, NULL, 0, -1 }, ++ + #ifdef HAVE_MULTILINK + { "multilink", o_bool, &multilink, + "Enable multilink operation", OPT_PRIO | 1 }, +Index: ppp-2.4.4/pppd/sys-linux.c +=================================================================== +--- ppp-2.4.4.orig/pppd/sys-linux.c 2005-08-27 08:44:35.000000000 +1000 ++++ ppp-2.4.4/pppd/sys-linux.c 2010-04-22 17:09:44.000000000 +1000 +@@ -232,7 +232,7 @@ + static void close_route_table (void); + static int open_route_table (void); + static int read_route_table (struct rtentry *rt); +-static int defaultroute_exists (struct rtentry *rt); ++static int defaultroute_exists (struct rtentry *rt, int metric); + static int get_ether_addr (u_int32_t ipaddr, struct sockaddr *hwaddr, + char *name, int namelen); + static void decode_version (char *buf, int *version, int *mod, int *patch); +@@ -242,6 +242,8 @@ + + extern u_char inpacket_buf[]; /* borrowed from main.c */ + ++extern int dfl_route_metric; ++ + /* + * SET_SA_FAMILY - set the sa_family field of a struct sockaddr, + * if it exists. +@@ -1526,9 +1528,10 @@ + /******************************************************************** + * + * defaultroute_exists - determine if there is a default route ++ * with the given metric (or negative for any) + */ + +-static int defaultroute_exists (struct rtentry *rt) ++static int defaultroute_exists (struct rtentry *rt, int metric) + { + int result = 0; + +@@ -1541,7 +1544,8 @@ + + if (kernel_version > KVERSION(2,1,0) && SIN_ADDR(rt->rt_genmask) != 0) + continue; +- if (SIN_ADDR(rt->rt_dst) == 0L) { ++ if (SIN_ADDR(rt->rt_dst) == 0L && (metric < 0 || ++ (metric >= 0 && (rt->rt_metric + 1) == metric))) { + result = 1; + break; + } +@@ -1588,13 +1592,13 @@ + { + 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 +- 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; + } + +@@ -1602,6 +1606,7 @@ + SET_SA_FAMILY (rt.rt_dst, AF_INET); + + rt.rt_dev = ifname; ++ rt.rt_metric = dfl_route_metric + 1; /* +1 for binary compatibility */ + + if (kernel_version > KVERSION(2,1,0)) { + SET_SA_FAMILY (rt.rt_genmask, AF_INET); +@@ -1634,6 +1639,9 @@ + SET_SA_FAMILY (rt.rt_dst, AF_INET); + SET_SA_FAMILY (rt.rt_gateway, AF_INET); + ++ rt.rt_dev = ifname; ++ rt.rt_metric = dfl_route_metric + 1; /* +1 for binary compatibility */ ++ + if (kernel_version > KVERSION(2,1,0)) { + SET_SA_FAMILY (rt.rt_genmask, AF_INET); + SIN_ADDR(rt.rt_genmask) = 0L; +Index: ppp-2.4.4/pppd/pppd.8 +=================================================================== +--- ppp-2.4.4.orig/pppd/pppd.8 2006-06-16 10:01:23.000000000 +1000 ++++ ppp-2.4.4/pppd/pppd.8 2010-04-22 17:08:38.000000000 +1000 +@@ -121,6 +121,12 @@ + This entry is removed when the PPP connection is broken. This option + is privileged if the \fInodefaultroute\fR option has been specified. + .TP ++.B defaultroute-metric ++Define the metric of the \fIdefaultroute\fR and only add it if there ++is no other default route with the same metric. With the default ++value of -1, the route is only added if there is no default route at ++all. ++.TP + .B disconnect \fIscript + Execute the command specified by \fIscript\fR, by passing it to a + shell, after |