X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fipcp.c;h=ed6cd4b7b86926bca2b991a4f49a91171128c933;hp=cb873bbd3e836a8501a089fab1786cf8dc68b86f;hb=d8e8d7a74b791743ad67e8bdba10508b0f901beb;hpb=275b3d6e8901b22a609567717f7dab56c8b67f2d

diff --git a/pppd/ipcp.c b/pppd/ipcp.c
index cb873bb..ed6cd4b 100644
--- a/pppd/ipcp.c
+++ b/pppd/ipcp.c
@@ -61,7 +61,6 @@
 #include "ipcp.h"
 #include "pathnames.h"
 
-static const char rcsid[] = RCSID;
 
 /* global vars */
 ipcp_options ipcp_wantoptions[NUM_PPP];	/* Options that we want to request */
@@ -175,10 +174,10 @@ static option_t ipcp_option_list[] = {
     { "noipdefault", o_bool, &disable_defaultip,
       "Don't use name for default IP adrs", 1 },
 
-    { "ms-dns", 1, (void *)setdnsaddr,
-      "DNS address for the peer's use" },
-    { "ms-wins", 1, (void *)setwinsaddr,
-      "Nameserver for SMB over TCP/IP for peer" },
+    { "ms-dns", o_special, (void *)setdnsaddr,
+      "DNS address for the peer's use", OPT_A2LIST },
+    { "ms-wins", o_special, (void *)setwinsaddr,
+      "Nameserver for SMB over TCP/IP for peer", OPT_A2LIST },
 
     { "ipcp-restart", o_int, &ipcp_fsm[0].timeouttime,
       "Set timeout for IPCP", OPT_PRIO },
@@ -575,6 +574,14 @@ ipcp_init(unit)
     f->callbacks = &ipcp_callbacks;
     fsm_init(&ipcp_fsm[unit]);
 
+    /*
+     * Some 3G modems use repeated IPCP NAKs as a way of stalling
+     * until they can contact a server on the network, so we increase
+     * the default number of NAKs we accept before we start treating
+     * them as rejects.
+     */
+    f->maxnakloops = 100;
+
     memset(wo, 0, sizeof(*wo));
     memset(ao, 0, sizeof(*ao));
 
@@ -954,6 +961,21 @@ ipcp_ackci(f, p, len)
 	    goto bad; \
     }
 
+#define ACKCIWINS(opt, addr) \
+    if (addr) { \
+	u_int32_t l; \
+	if ((len -= CILEN_ADDR) < 0) \
+	    goto bad; \
+	GETCHAR(citype, p); \
+	GETCHAR(cilen, p); \
+	if (cilen != CILEN_ADDR || citype != opt) \
+	    goto bad; \
+	GETLONG(l, p); \
+	cilong = htonl(l); \
+	if (addr != cilong) \
+	    goto bad; \
+    }
+
     ACKCIADDRS(CI_ADDRS, !go->neg_addr && go->old_addrs, go->ouraddr,
 	       go->hisaddr);
 
@@ -966,6 +988,10 @@ ipcp_ackci(f, p, len)
 
     ACKCIDNS(CI_MS_DNS2, go->req_dns2, go->dnsaddr[1]);
 
+    ACKCIWINS(CI_MS_WINS1, go->winsaddr[0]);
+
+    ACKCIWINS(CI_MS_WINS2, go->winsaddr[1]);
+
     /*
      * If there are any remaining CIs, then this packet is bad.
      */