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Code Issues Releases Wiki Activity

[606-drop-packets-in-drop-class] Addressed final comments

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This commit is contained in:
Francis Dupont
2019-07-16 14:05:40 +02:00
parent 330065ad5f
commit bfa5b2c503
10 changed files with 18 additions and 18 deletions
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2
doc/guide/dhcp4-srv.xml
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@@ -2535,7 +2535,7 @@ It is merely echoed by the server.
zero or more classes.
The second step is to choose a subnet, possibly based on the
class information. When the incoming packet is in the special
class, "DROP", it is dropped and an information message logged.
class, "DROP", it is dropped and a debug message logged.
The next step is to evaluate class expressions depending on the
built-in "KNOWN"/"UNKNOWN" classes after host reservation lookup,
using them for pool selection and assigning classes from host reservations.

2
doc/guide/dhcp6-srv.xml
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@@ -2430,7 +2430,7 @@ should include options from the new option space:
zero or more classes.
Next, a subnet is chosen, possibly based on the
class information. When the incoming packet is in the special
class, "DROP", it is dropped and an information message logged.
class, "DROP", it is dropped and a debug message logged.
After that, class expressions are evaluated depending on the
built-in "KNOWN"/"UNKNOWN" classes after host reservation lookup,
using them for pool/pd-pool selection and assigning classes from host

6
src/bin/dhcp4/dhcp4_messages.cc
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@@ -1,4 +1,4 @@
// File created from ../../../src/bin/dhcp4/dhcp4_messages.mes on Thu Jun 27 2019 19:56
// File created from ../../../src/bin/dhcp4/dhcp4_messages.mes on Tue Jul 16 2019 11:03
#include <cstddef>
#include <log/message_types.h>
@@ -93,7 +93,7 @@ extern const isc::log::MessageID DHCP4_PACKET_DROP_0006 = "DHCP4_PACKET_DROP_000
extern const isc::log::MessageID DHCP4_PACKET_DROP_0007 = "DHCP4_PACKET_DROP_0007";
extern const isc::log::MessageID DHCP4_PACKET_DROP_0008 = "DHCP4_PACKET_DROP_0008";
extern const isc::log::MessageID DHCP4_PACKET_DROP_0009 = "DHCP4_PACKET_DROP_0009";
extern const isc::log::MessageID DHCP4_PACKET_DROP_DROP_CLASS = "DHCP4_PACKET_DROP_DROP_CLASS";
extern const isc::log::MessageID DHCP4_PACKET_DROP_0010 = "DHCP4_PACKET_DROP_0010";
extern const isc::log::MessageID DHCP4_PACKET_NAK_0001 = "DHCP4_PACKET_NAK_0001";
extern const isc::log::MessageID DHCP4_PACKET_NAK_0002 = "DHCP4_PACKET_NAK_0002";
extern const isc::log::MessageID DHCP4_PACKET_NAK_0003 = "DHCP4_PACKET_NAK_0003";
@@ -229,7 +229,7 @@ const char* values[] = {
"DHCP4_PACKET_DROP_0007", "%1: failed to process packet: %2",
"DHCP4_PACKET_DROP_0008", "%1: DHCP service is globally disabled",
"DHCP4_PACKET_DROP_0009", "%1: Option 53 missing (no DHCP message type), is this a BOOTP packet?",
"DHCP4_PACKET_DROP_DROP_CLASS", "dropped as member of the special DROP class: %1",
"DHCP4_PACKET_DROP_0010", "dropped as member of the special class 'DROP': %1",
"DHCP4_PACKET_NAK_0001", "%1: failed to select a subnet for incoming packet, src %2, type %3",
"DHCP4_PACKET_NAK_0002", "%1: invalid address %2 requested by INIT-REBOOT",
"DHCP4_PACKET_NAK_0003", "%1: failed to advertise a lease, client sent ciaddr %2, requested-ip-address %3",

4
src/bin/dhcp4/dhcp4_messages.h
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@@ -1,4 +1,4 @@
// File created from ../../../src/bin/dhcp4/dhcp4_messages.mes on Thu Jun 27 2019 19:56
// File created from ../../../src/bin/dhcp4/dhcp4_messages.mes on Tue Jul 16 2019 11:03
#ifndef DHCP4_MESSAGES_H
#define DHCP4_MESSAGES_H
@@ -94,7 +94,7 @@ extern const isc::log::MessageID DHCP4_PACKET_DROP_0006;
extern const isc::log::MessageID DHCP4_PACKET_DROP_0007;
extern const isc::log::MessageID DHCP4_PACKET_DROP_0008;
extern const isc::log::MessageID DHCP4_PACKET_DROP_0009;
extern const isc::log::MessageID DHCP4_PACKET_DROP_DROP_CLASS;
extern const isc::log::MessageID DHCP4_PACKET_DROP_0010;
extern const isc::log::MessageID DHCP4_PACKET_NAK_0001;
extern const isc::log::MessageID DHCP4_PACKET_NAK_0002;
extern const isc::log::MessageID DHCP4_PACKET_NAK_0003;

6
src/bin/dhcp4/dhcp4_messages.mes
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@@ -509,9 +509,9 @@ This debug message is issued when a packet is dropped because it did contain
option 53 and thus has no DHCP message type. The most likely explanation is
that it was BOOTP packet.
% DHCP4_PACKET_DROP_DROP_CLASS dropped as member of the special DROP class: %1
This informational message is emitted when an incoming packet was classified
into the special DROP class and dropped. The packet details are displayed.
% DHCP4_PACKET_DROP_0010 dropped as member of the special class 'DROP': %1
This debug message is emitted when an incoming packet was classified
into the special class 'DROP' and dropped. The packet details are displayed.
% DHCP4_PACKET_NAK_0001 %1: failed to select a subnet for incoming packet, src %2, type %3
This error message is output when a packet was received from a subnet

2
src/bin/dhcp4/dhcp4_srv.cc
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@@ -1008,7 +1008,7 @@ Dhcpv4Srv::processPacket(Pkt4Ptr& query, Pkt4Ptr& rsp, bool allow_packet_park) {
// Check the DROP special class.
if (query->inClass("DROP")) {
LOG_INFO(packet4_logger, DHCP4_PACKET_DROP_DROP_CLASS)
LOG_DEBUG(packet4_logger, DBGLVL_TRACE_BASIC, DHCP4_PACKET_DROP_0010)
.arg(query->toText());
isc::stats::StatsMgr::instance().addValue("pkt4-receive-drop",
static_cast<int64_t>(1));

4
src/bin/dhcp6/dhcp6_messages.cc
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@@ -1,4 +1,4 @@
// File created from ../../../src/bin/dhcp6/dhcp6_messages.mes on Thu Jun 27 2019 20:26
// File created from ../../../src/bin/dhcp6/dhcp6_messages.mes on Tue Jul 16 2019 11:03
#include <cstddef>
#include <log/message_types.h>
@@ -231,7 +231,7 @@ const char* values[] = {
"DHCP6_OPEN_SOCKET", "opening service sockets on port %1",
"DHCP6_OPEN_SOCKET_FAIL", "failed to open socket: %1",
"DHCP6_PACKET_DROP_DHCP_DISABLED", "%1: DHCP service is globally disabled",
"DHCP6_PACKET_DROP_DROP_CLASS", "dropped as member of the special DROP class: %1",
"DHCP6_PACKET_DROP_DROP_CLASS", "dropped as member of the special class 'DROP': %1",
"DHCP6_PACKET_DROP_PARSE_FAIL", "failed to parse packet from %1 to %2, received over interface %3, reason: %4",
"DHCP6_PACKET_DROP_SERVERID_MISMATCH", "%1: dropping packet with server identifier: %2, server is using: %3",
"DHCP6_PACKET_DROP_UNICAST", "%1: dropping unicast %2 packet as this packet should be sent to multicast",

2
src/bin/dhcp6/dhcp6_messages.h
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@@ -1,4 +1,4 @@
// File created from ../../../src/bin/dhcp6/dhcp6_messages.mes on Thu Jun 27 2019 20:26
// File created from ../../../src/bin/dhcp6/dhcp6_messages.mes on Tue Jul 16 2019 11:03
#ifndef DHCP6_MESSAGES_H
#define DHCP6_MESSAGES_H

6
src/bin/dhcp6/dhcp6_messages.mes
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@@ -505,9 +505,9 @@ has been temporarily disabled. This affects all received DHCP packets. The
service may be enabled by the "dhcp-enable" control command or automatically
after a specified amount of time since receiving "dhcp-disable" command.
% DHCP6_PACKET_DROP_DROP_CLASS dropped as member of the special DROP class: %1
This informational message is emitted when an incoming packet was classified
into the special DROP class and dropped. The packet details are displayed.
% DHCP6_PACKET_DROP_DROP_CLASS dropped as member of the special class 'DROP': %1
This debug message is emitted when an incoming packet was classified
into the special class 'DROP' and dropped. The packet details are displayed.
% DHCP6_PACKET_DROP_PARSE_FAIL failed to parse packet from %1 to %2, received over interface %3, reason: %4
The DHCPv6 server has received a packet that it is unable to

2
src/bin/dhcp6/dhcp6_srv.cc
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@@ -685,7 +685,7 @@ Dhcpv6Srv::processPacket(Pkt6Ptr& query, Pkt6Ptr& rsp) {
// Check the DROP special class.
if (query->inClass("DROP")) {
LOG_INFO(packet6_logger, DHCP6_PACKET_DROP_DROP_CLASS)
LOG_DEBUG(packet6_logger, DBG_DHCP6_BASIC, DHCP6_PACKET_DROP_DROP_CLASS)
.arg(query->toText());
StatsMgr::instance().addValue("pkt6-receive-drop",
static_cast<int64_t>(1));