pppd: Fix duplicate nameserver in resolv.conf (#337)

Signed-off-by: Vlados Korneev <allaods97@gmail.com>

diff --git a/pppd/ipcp.c b/pppd/ipcp.c
index 0dc251e503d725f4bec5f7f81953fafcc0f04168..e3e8112eb1462942e72b9cf6699b2ad3c66551f7 100644 (file)
--- a/pppd/ipcp.c
+++ b/pppd/ipcp.c
@@ -2162,7 +2162,7 @@ create_resolv(u_int32_t peerdns1, u_int32_t peerdns2)
     if (peerdns1)
        fprintf(f, "nameserver %s\n", ip_ntoa(peerdns1));
 
-    if (peerdns2)
+    if (peerdns2 && peerdns2 != peerdns1)
        fprintf(f, "nameserver %s\n", ip_ntoa(peerdns2));
 
     if (ferror(f))