net-dns/dnsmasq/files/dnsmasq-2.72-Write-DHCP-request-options-to-lease-file.patch

diff --git a/src/dnsmasq.h b/src/dnsmasq.h
index e74b15a..fbf41f6 100644
--- a/src/dnsmasq.h
+++ b/src/dnsmasq.h
@@ -660,6 +660,7 @@ struct dhcp_lease {
   } *slaac_address;
   int vendorclass_count;
 #endif
+  u8 req_options[256];   /* cover all possible options (0-254 + OPTION_END) */
   struct dhcp_lease *next;
 };
 
diff --git a/src/lease.c b/src/lease.c
index 5d56b1b..a63851e 100644
--- a/src/lease.c
+++ b/src/lease.c
@@ -81,7 +81,7 @@ void lease_init(time_t now)
 
 	ei = atol(daemon->dhcp_buff3);
 	
-	if (fscanf(leasestream, " %64s %255s %764s",
+	if (fscanf(leasestream, " %64s %255s %764s %*s",
 		   daemon->namebuff, daemon->dhcp_buff, daemon->packet) != 3)
 	  break;
 	
@@ -254,10 +254,25 @@ void lease_update_file(time_t now)
 	    {
 	      for (i = 0; i < lease->clid_len - 1; i++)
 		ourprintf(&err, "%.2x:", lease->clid[i]);
-	      ourprintf(&err, "%.2x\n", lease->clid[i]);
+	      ourprintf(&err, "%.2x ", lease->clid[i]);
 	    }
 	  else
-	    ourprintf(&err, "*\n");	  
+	    ourprintf(&err, "* ");
+
+	  {
+	    unsigned char *p;
+	    if (lease->req_options[0] == OPTION_END)
+	      ourprintf(&err, "*");
+	    else
+	    {
+	      for (p = lease->req_options; *p != OPTION_END; p++)
+	      {
+		if (p != lease->req_options) ourprintf(&err, ",");
+		ourprintf(&err, "%u", *p);
+	      }
+	    }
+	    ourprintf(&err, "\n");
+	  }
 	}
       
 #ifdef HAVE_DHCP6  
@@ -729,6 +744,7 @@ static struct dhcp_lease *lease_allocate(void)
   lease->length = 0xffffffff; /* illegal value */
 #endif
   lease->hwaddr_len = 256; /* illegal value */
+  lease->req_options[0] = OPTION_END;
   lease->next = leases;
   leases = lease;
   
diff --git a/src/rfc2131.c b/src/rfc2131.c
index 5c90408..c8b7d14 100644
--- a/src/rfc2131.c
+++ b/src/rfc2131.c
@@ -1253,6 +1253,16 @@ size_t dhcp_reply(struct dhcp_context *context, char *iface_name, int int_index,
 	      /* pick up INIT-REBOOT events. */
 	      lease->flags |= LEASE_CHANGED;
 
+	      if ((opt = option_find(mess, sz, OPTION_REQUESTED_OPTIONS, 0)))
+		{
+		  int len = sizeof(lease->req_options) - 1;
+		  if (option_len(opt) < len) {
+		    len = option_len(opt);
+		  }
+		  memcpy(lease->req_options, option_ptr(opt, 0), len);
+		  lease->req_options[len] = OPTION_END;
+		}
+
 #ifdef HAVE_SCRIPT
 	      if (daemon->lease_change_command)
 		{