philipp / rpms / dhcp

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Blame SOURCES/dhcp-IPoIB-log-id.patch

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diff -up dhcp-4.2.5/server/dhcp.c.IPoIB-log-id dhcp-4.2.5/server/dhcp.c
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--- dhcp-4.2.5/server/dhcp.c.IPoIB-log-id	2014-09-08 14:50:39.000000000 +0200
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+++ dhcp-4.2.5/server/dhcp.c	2014-09-08 15:06:28.367697349 +0200
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@@ -80,6 +80,42 @@ const int dhcp_type_name_max = ((sizeof
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 # define send_packet trace_packet_send
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 #endif
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+char *print_client_identifier_from_packet (packet)
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+	struct packet *packet;
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+{
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+	struct option_cache *oc;
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+	struct data_string client_identifier;
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+	char *ci;
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+
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+	memset (&client_identifier, 0, sizeof client_identifier);
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+
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+	oc = lookup_option (&dhcp_universe, packet -> options,
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+			DHO_DHCP_CLIENT_IDENTIFIER);
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+	if (oc &&
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+	    evaluate_option_cache (&client_identifier,
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+				    packet, (struct lease *)0,
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+				    (struct client_state *)0,
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+				    packet -> options,
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+				    (struct option_state *)0,
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+				    &global_scope, oc, MDL)) {
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+		ci = print_hw_addr (HTYPE_INFINIBAND, client_identifier.len, client_identifier.data);
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+		data_string_forget (&client_identifier, MDL);
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+		return ci;
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+	} else
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+		return "\"no client id\"";
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+}
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+
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+char *print_hw_addr_or_client_id (packet)
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+	struct packet *packet;
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+{
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+	if (packet -> raw -> htype == HTYPE_INFINIBAND)
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+		return print_client_identifier_from_packet (packet);
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+	else
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+		return print_hw_addr (packet -> raw -> htype,
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+				      packet -> raw -> hlen,
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+				      packet -> raw -> chaddr);
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+}
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+
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 void
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 dhcp (struct packet *packet) {
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 	int ms_nulltp = 0;
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@@ -108,9 +144,7 @@ dhcp (struct packet *packet) {
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 		log_info("%s from %s via %s: %s", s,
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 			 (packet->raw->htype
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-			  ? print_hw_addr(packet->raw->htype,
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-					  packet->raw->hlen,
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-					  packet->raw->chaddr)
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+			  ? print_hw_addr_or_client_id (packet)
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 			  : "<no identifier>"),
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 			 packet->raw->giaddr.s_addr
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 			 ? inet_ntoa(packet->raw->giaddr)
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@@ -294,9 +328,7 @@ void dhcpdiscover (packet, ms_nulltp)
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 	 */
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 	snprintf (msgbuf, sizeof msgbuf, "DHCPDISCOVER from %s %s%s%svia %s",
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 		 (packet -> raw -> htype
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-		  ? print_hw_addr (packet -> raw -> htype,
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-				   packet -> raw -> hlen,
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-				   packet -> raw -> chaddr)
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+		  ? print_hw_addr_or_client_id (packet)
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 		  : (lease
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 		     ? print_hex_1(lease->uid_len, lease->uid, 60)
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 		     : "<no identifier>")),
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@@ -490,9 +522,7 @@ void dhcprequest (packet, ms_nulltp, ip_
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 		 "DHCPREQUEST for %s%s from %s %s%s%svia %s",
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 		 piaddr (cip), smbuf,
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 		 (packet -> raw -> htype
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-		  ? print_hw_addr (packet -> raw -> htype,
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-				   packet -> raw -> hlen,
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-				   packet -> raw -> chaddr)
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+		  ? print_hw_addr_or_client_id (packet)
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 		  : (lease
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 		     ? print_hex_1(lease->uid_len, lease->uid, 60)
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 		     : "<no identifier>")),
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@@ -735,9 +765,7 @@ void dhcprelease (packet, ms_nulltp)
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 	if ((oc = lookup_option (&dhcp_universe, packet -> options,
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 				 DHO_DHCP_REQUESTED_ADDRESS))) {
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 		log_info ("DHCPRELEASE from %s specified requested-address.",
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-		      print_hw_addr (packet -> raw -> htype,
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-				     packet -> raw -> hlen,
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-				     packet -> raw -> chaddr));
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+		      print_hw_addr_or_client_id (packet));
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 	}
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 	oc = lookup_option (&dhcp_universe, packet -> options,
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@@ -811,9 +839,7 @@ void dhcprelease (packet, ms_nulltp)
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 		 "DHCPRELEASE of %s from %s %s%s%svia %s (%sfound)",
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 		 cstr,
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 		 (packet -> raw -> htype
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-		  ? print_hw_addr (packet -> raw -> htype,
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-				   packet -> raw -> hlen,
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-				   packet -> raw -> chaddr)
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+		  ? print_hw_addr_or_client_id (packet)
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 		  : (lease
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 		     ? print_hex_1(lease->uid_len, lease->uid, 60)
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 		     : "<no identifier>")),
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@@ -906,9 +932,7 @@ void dhcpdecline (packet, ms_nulltp)
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 		 "DHCPDECLINE of %s from %s %s%s%svia %s",
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 		 piaddr (cip),
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 		 (packet -> raw -> htype
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-		  ? print_hw_addr (packet -> raw -> htype,
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-				   packet -> raw -> hlen,
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-				   packet -> raw -> chaddr)
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+		  ? print_hw_addr_or_client_id(packet)
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 		  : (lease
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 		     ? print_hex_1(lease->uid_len, lease->uid, 60)
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 		     : "<no identifier>")),
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@@ -1348,8 +1372,7 @@ void dhcpinform (packet, ms_nulltp)
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 	/* Report what we're sending. */
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 	snprintf(msgbuf, sizeof msgbuf, "DHCPACK to %s (%s) via", piaddr(cip),
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 		 (packet->raw->htype && packet->raw->hlen) ?
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-			print_hw_addr(packet->raw->htype, packet->raw->hlen,
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-				      packet->raw->chaddr) :
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+			print_hw_addr_or_client_id(packet) :
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 			"<no client hardware address>");
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 	log_info("%s %s", msgbuf, gip.len ? piaddr(gip) :
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 					    packet->interface->name);
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@@ -1493,9 +1516,7 @@ void nak_lease (packet, cip)
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 	/* Report what we're sending... */
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 	log_info ("DHCPNAK on %s to %s via %s",
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 	      piaddr (*cip),
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-	      print_hw_addr (packet -> raw -> htype,
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-			     packet -> raw -> hlen,
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-			     packet -> raw -> chaddr),
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+	      print_hw_addr_or_client_id (packet),
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 	      packet -> raw -> giaddr.s_addr
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 	      ? inet_ntoa (packet -> raw -> giaddr)
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 	      : packet -> interface -> name);
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@@ -3214,7 +3235,7 @@ void dhcp_reply (lease)
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 		   ? (state -> offer == DHCPACK ? "DHCPACK" : "DHCPOFFER")
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 		   : "BOOTREPLY"),
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 		  piaddr (lease -> ip_addr),
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-		  (lease -> hardware_addr.hlen
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+		  (lease -> hardware_addr.hlen > 1
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 		   ? print_hw_addr (lease -> hardware_addr.hbuf [0],
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 				    lease -> hardware_addr.hlen - 1,
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 				    &lease -> hardware_addr.hbuf [1])
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@@ -3772,10 +3793,7 @@ int find_lease (struct lease **lp,
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 			if (uid_lease) {
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 			    if (uid_lease->binding_state == FTS_ACTIVE) {
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 				log_error ("client %s has duplicate%s on %s",
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-					   (print_hw_addr
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-					    (packet -> raw -> htype,
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-					     packet -> raw -> hlen,
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-					     packet -> raw -> chaddr)),
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+					   (print_hw_addr_or_client_id(packet)),
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 					   " leases",
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 					   (ip_lease -> subnet ->
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 					    shared_network -> name));
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@@ -3942,9 +3960,7 @@ int find_lease (struct lease **lp,
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 			log_error("uid lease %s for client %s is duplicate "
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 				  "on %s",
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 				  piaddr(uid_lease->ip_addr),
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-				  print_hw_addr(packet->raw->htype,
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-						packet->raw->hlen,
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-						packet->raw->chaddr),
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+				  print_hw_addr_or_client_id(packet),
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 				  uid_lease->subnet->shared_network->name);
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 			if (!packet -> raw -> ciaddr.s_addr &&