Merge branch 'bug_fix' of git://github.com/radaiming/ppp

[ppp.git] / pppd / options.c

diff --git a/pppd/options.c b/pppd/options.c
index e9042d1f64e2b5bbf05c74a91587f049f011c2b8..c06a2b4ad8ed4560501dfeb61902946c14ea7d96 100644 (file)
--- a/pppd/options.c
+++ b/pppd/options.c
@@ -121,6 +121,7 @@ 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 */
 struct userenv *userenv_list;  /* user environment variables */
+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 */
@@ -299,6 +300,10 @@ option_t general_options[] = {
       "Unset user environment variable",
       OPT_A2PRINTER | OPT_NOPRINT, (void *)user_unsetprint },
 
+    { "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 },
@@ -776,10 +781,13 @@ process_option(opt, cmd, argv)
        if (opt->flags & OPT_STATIC) {
            strlcpy((char *)(opt->addr), *argv, opt->upper_limit);
        } else {
+           char **optptr = (char **)(opt->addr);
            sv = strdup(*argv);
            if (sv == NULL)
                novm("option argument");
-           *(char **)(opt->addr) = sv;
+           if (*optptr)
+               free(*optptr);
+           *optptr = sv;
        }
        break;