Adding upstream version 2.2.0.upstream/2.2.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 357 insertions, 0 deletions

diff --git a/src/lib/dhcp/dhcp6.h b/src/lib/dhcp/dhcp6.h
new file mode 100644
index 0000000..d9fa219
--- /dev/null
+++ b/src/lib/dhcp/dhcp6.h
@@ -0,0 +1,357 @@
+// Copyright (C) 2006-2022 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef DHCP6_H
+#define DHCP6_H
+
+#include <stdint.h>
+
+/// @note Code points in comments are those assigned by IANA
+/// but not yet implemented in Kea.
+/// To implement a standard option, remove the comment characters,
+/// add an entry in std_option_defs.h, add a stdOptionDefs6 unit test
+/// in tests/libdhcp++_unittest.cc and update dhcp6-std-options-list in
+/// the dhcp6-srv.xml source file of the user guide.
+
+/* DHCPv6 Option codes: */
+enum DHCPv6OptionType {
+   D6O_CLIENTID                            = 1, /* RFC8415 */
+   D6O_SERVERID                            = 2,
+   D6O_IA_NA                               = 3,
+   D6O_IA_TA                               = 4,
+   D6O_IAADDR                              = 5,
+   D6O_ORO                                 = 6,
+   D6O_PREFERENCE                          = 7,
+   D6O_ELAPSED_TIME                        = 8,
+   D6O_RELAY_MSG                           = 9,
+   // Option code 10 is unassigned.
+   D6O_AUTH                                = 11,
+   D6O_UNICAST                             = 12,
+   D6O_STATUS_CODE                         = 13,
+   D6O_RAPID_COMMIT                        = 14,
+   D6O_USER_CLASS                          = 15,
+   D6O_VENDOR_CLASS                        = 16,
+   D6O_VENDOR_OPTS                         = 17,
+   D6O_INTERFACE_ID                        = 18,
+   D6O_RECONF_MSG                          = 19,
+   D6O_RECONF_ACCEPT                       = 20,
+   D6O_SIP_SERVERS_DNS                     = 21, /* RFC3319 */
+   D6O_SIP_SERVERS_ADDR                    = 22, /* RFC3319 */
+   D6O_NAME_SERVERS                        = 23, /* RFC3646 */
+   D6O_DOMAIN_SEARCH                       = 24, /* RFC3646 */
+   D6O_IA_PD                               = 25, /* RFC8415 */
+   D6O_IAPREFIX                            = 26, /* RFC8415 */
+   D6O_NIS_SERVERS                         = 27, /* RFC3898 */
+   D6O_NISP_SERVERS                        = 28, /* RFC3898 */
+   D6O_NIS_DOMAIN_NAME                     = 29, /* RFC3898 */
+   D6O_NISP_DOMAIN_NAME                    = 30, /* RFC3898 */
+   D6O_SNTP_SERVERS                        = 31, /* RFC4075 */
+   D6O_INFORMATION_REFRESH_TIME            = 32, /* RFC8415 */
+   D6O_BCMCS_SERVER_D                      = 33, /* RFC4280 */
+   D6O_BCMCS_SERVER_A                      = 34, /* RFC4280 */
+   // Option code 35 is unassigned.
+   D6O_GEOCONF_CIVIC                       = 36, /* RFC4776 */
+   D6O_REMOTE_ID                           = 37, /* RFC4649 */
+   D6O_SUBSCRIBER_ID                       = 38, /* RFC4580 */
+   D6O_CLIENT_FQDN                         = 39, /* RFC4704 */
+   D6O_PANA_AGENT                          = 40, /* RFC5192 */
+   D6O_NEW_POSIX_TIMEZONE                  = 41, /* RFC4833 */
+   D6O_NEW_TZDB_TIMEZONE                   = 42, /* RFC4833 */
+   D6O_ERO                                 = 43, /* RFC4994 */
+   D6O_LQ_QUERY                            = 44, /* RFC5007 */
+   D6O_CLIENT_DATA                         = 45, /* RFC5007 */
+   D6O_CLT_TIME                            = 46, /* RFC5007 */
+   D6O_LQ_RELAY_DATA                       = 47, /* RFC5007 */
+   D6O_LQ_CLIENT_LINK                      = 48, /* RFC5007 */
+// D6O_MIP6_HNIDF                          = 49, /* RFC6610 */
+// D6O_MIP6_VDINF                          = 50, /* RFC6610 */
+   D6O_V6_LOST                             = 51, /* RFC5223 */
+   D6O_CAPWAP_AC_V6                        = 52, /* RFC5417 */
+   D6O_RELAY_ID                            = 53, /* RFC5460 */
+// D6O_IPV6_ADDRESS_MOS                    = 54, /* RFC5678 */
+// D6O_IPV6_FQDN_MOS                       = 55, /* RFC5678 */
+// D6O_NTP_SERVER                          = 56, /* RFC5908 */
+   D6O_V6_ACCESS_DOMAIN                    = 57, /* RFC5986 */
+   D6O_SIP_UA_CS_LIST                      = 58, /* RFC6011 */
+   D6O_BOOTFILE_URL                        = 59, /* RFC5970 */
+   D6O_BOOTFILE_PARAM                      = 60, /* RFC5970 */
+   D6O_CLIENT_ARCH_TYPE                    = 61, /* RFC5970 */
+   D6O_NII                                 = 62, /* RFC5970 */
+// D6O_GEOLOCATION                         = 63, /* RFC6225 */
+   D6O_AFTR_NAME                           = 64, /* RFC6334 */
+   D6O_ERP_LOCAL_DOMAIN_NAME               = 65, /* RFC6440 */
+   D6O_RSOO                                = 66, /* RFC6422 */
+   D6O_PD_EXCLUDE                          = 67, /* RFC6603 */
+// D6O_VSS                                 = 68, /* RFC6607 */
+// D6O_MIP6_IDINF                          = 69, /* RFC6610 */
+// D6O_MIP6_UDINF                          = 70, /* RFC6610 */
+// D6O_MIP6_HNP                            = 71, /* RFC6610 */
+// D6O_MIP6_HAA                            = 72, /* RFC6610 */
+// D6O_MIP6_HAF                            = 73, /* RFC6610 */
+   D6O_RDNSS_SELECTION                     = 74, /* RFC6731 */
+// D6O_KRB_PRINCIPAL_NAME                  = 75, /* RFC6784 */
+// D6O_KRB_REALM_NAME                      = 76, /* RFC6784 */
+// D6O_KRB_DEFAULT_REALM_NAME              = 77, /* RFC6784 */
+// D6O_KRB_KDC                             = 78, /* RFC6784 */
+   D6O_CLIENT_LINKLAYER_ADDR               = 79, /* RFC6939 */
+   D6O_LINK_ADDRESS                        = 80, /* RFC6977 */
+// D6O_RADIUS                              = 81, /* RFC7037 */
+   D6O_SOL_MAX_RT                          = 82, /* RFC8415 */
+   D6O_INF_MAX_RT                          = 83, /* RFC8415 */
+// D6O_ADDRSEL                             = 84, /* RFC7078 */
+// D6O_ADDRSEL_TABLE                       = 85, /* RFC7078 */
+// D6O_V6_PCP_SERVER                       = 86, /* RFC7291 */
+   D6O_DHCPV4_MSG                          = 87, /* RFC7341 */
+   D6O_DHCPV4_O_DHCPV6_SERVER              = 88, /* RFC7341 */
+   D6O_S46_RULE                            = 89, /* RFC7598 */
+   D6O_S46_BR                              = 90, /* RFC7598 */
+   D6O_S46_DMR                             = 91, /* RFC7598 */
+   D6O_S46_V4V6BIND                        = 92, /* RFC7598 */
+   D6O_S46_PORTPARAMS                      = 93, /* RFC7598 */
+   D6O_S46_CONT_MAPE                       = 94, /* RFC7598 */
+   D6O_S46_CONT_MAPT                       = 95, /* RFC7598 */
+   D6O_S46_CONT_LW                         = 96, /* RFC7598 */
+// D6O_4RD                                 = 97, /* RFC7600 */
+// D6O_4RD_MAP_RULE                        = 98, /* RFC7600 */
+// D6O_4RD_NON_MAP_RULE                    = 99, /* RFC7600 */
+// D6O_LQ_BASE_TIME                       = 100, /* RFC7653 */
+// D6O_LQ_START_TIME                      = 101, /* RFC7653 */
+// D6O_LQ_END_TIME                        = 102, /* RFC7653 */
+   D6O_V6_CAPTIVE_PORTAL                  = 103, /* RFC7710 */
+// D6O_MPL_PARAMETERS                     = 104, /* RFC7774 */
+// D6O_ANI_ATT                            = 105, /* RFC7839 */
+// D6O_ANI_NETWORK_NAME                   = 106, /* RFC7839 */
+// D6O_ANI_AP_NAME                        = 107, /* RFC7839 */
+// D6O_ANI_AP_BSSID                       = 108, /* RFC7839 */
+// D6O_ANI_OPERATOR_ID                    = 109, /* RFC7839 */
+// D6O_ANI_OPERATOR_REALM                 = 110, /* RFC7839 */
+// D6O_S46_PRIORITY                       = 111, /* RFC8026 */
+   // Option code 112 is unassigned.
+// D6O_V6_PREFIX64                        = 113, /* RFC8115 */
+// D6O_F_BINDING_STATUS                   = 114, /* RFC8156 */
+// D6O_F_CONNECT_FLAGS                    = 115, /* RFC8156 */
+// D6O_F_DNS_REMOVAL_INFO                 = 116, /* RFC8156 */
+// D6O_F_DNS_HOST_NAME                    = 117, /* RFC8156 */
+// D6O_F_DNS_ZONE_NAME                    = 118, /* RFC8156 */
+// D6O_F_DNS_FLAGS                        = 119, /* RFC8156 */
+// D6O_F_EXPIRATION_TIME                  = 120, /* RFC8156 */
+// D6O_F_MAX_UNACKED_BNDUPD               = 121, /* RFC8156 */
+// D6O_F_MCLT                             = 122, /* RFC8156 */
+// D6O_F_PARTNER_LIFETIME                 = 123, /* RFC8156 */
+// D6O_F_PARTNER_LIFETIME_SENT            = 124, /* RFC8156 */
+// D6O_F_PARTNER_DOWN_TIME                = 125, /* RFC8156 */
+// D6O_F_PARTNER_RAW_CLT_TIME             = 126, /* RFC8156 */
+// D6O_F_PROTOCOL_VERSION                 = 127, /* RFC8156 */
+// D6O_F_KEEPALIVE_TIME                   = 128, /* RFC8156 */
+// D6O_F_RECONFIGURE_DATA                 = 129, /* RFC8156 */
+// D6O_F_RELATIONSHIP_NAME                = 130, /* RFC8156 */
+// D6O_F_SERVER_FLAGS                     = 131, /* RFC8156 */
+// D6O_F_SERVER_STATE                     = 132, /* RFC8156 */
+// D6O_F_START_TIME_OF_STATE              = 133, /* RFC8156 */
+// D6O_F_STATE_EXPIRATION_TIME            = 134, /* RFC8156 */
+   D6O_RELAY_SOURCE_PORT                  = 135, /* RFC8357 */
+   // Option codes 136-142 are unassigned.
+   D6O_IPV6_ADDRESS_ANDSF                 = 143 /* RFC6153 */
+};
+
+/*
+ * Status Codes, from RFC 8415 section 21.13, 5007, 5460.
+ */
+enum DHCPv6StatusCode {
+   STATUS_Success                    = 0,
+   STATUS_UnspecFail                 = 1,
+   STATUS_NoAddrsAvail               = 2,
+   STATUS_NoBinding                  = 3,
+   STATUS_NotOnLink                  = 4,
+   STATUS_UseMulticast               = 5,
+   STATUS_NoPrefixAvail              = 6,
+   STATUS_UnknownQueryType           = 7,
+   STATUS_MalformedQuery             = 8,
+   STATUS_NotConfigured              = 9,
+   STATUS_NotAllowed                 = 10,
+// STATUS_QueryTerminated            = 11,
+/* RFC7653 */
+// STATUS_DataMissing                = 12,
+// STATUS_CatchUpComplete            = 13,
+// STATUS_NotSupported               = 14,
+// STATUS_TLSConnectionRefused       = 15,
+/* RFC8156 */
+// STATUS_AddressInUse               = 16,
+// STATUS_ConfigurationConflict      = 17,
+// STATUS_MissingBindingInformation  = 18,
+// STATUS_OutdatedBindingInformation = 19,
+// STATUS_ServerShuttingDown         = 20,
+// STATUS_DNSUpdateNotSupported      = 21,
+// STATUS_ExcessiveTimeSkew          = 22,
+
+// The following are EXPERIMENTAL and may change when IANA assigns official
+// values.
+/* secure DHCPv6 (draft-ietf-dhc-sedhcpv6-08) */
+/* temporary values for hackathon 93 */
+   STATUS_AlgorithmNotSupported     = 705,
+   STATUS_AuthenticationFail        = 706,
+   STATUS_TimestampFail             = 707,
+   STATUS_SignatureFail             = 708
+};
+
+/*
+ * DHCPv6 message types, defined in section 7.3 of RFC 8415
+ */
+enum DHCPv6MessageType {
+   DHCPV6_NOTYPE               = 0,
+   DHCPV6_SOLICIT              = 1,
+   DHCPV6_ADVERTISE            = 2,
+   DHCPV6_REQUEST              = 3,
+   DHCPV6_CONFIRM              = 4,
+   DHCPV6_RENEW                = 5,
+   DHCPV6_REBIND               = 6,
+   DHCPV6_REPLY                = 7,
+   DHCPV6_RELEASE              = 8,
+   DHCPV6_DECLINE              = 9,
+   DHCPV6_RECONFIGURE          = 10,
+   DHCPV6_INFORMATION_REQUEST  = 11,
+   DHCPV6_RELAY_FORW           = 12,
+   DHCPV6_RELAY_REPL           = 13,
+   /* RFC 5007 */
+   DHCPV6_LEASEQUERY           = 14,
+   DHCPV6_LEASEQUERY_REPLY     = 15,
+   /* RFC 5460 */
+   DHCPV6_LEASEQUERY_DONE      = 16,
+   DHCPV6_LEASEQUERY_DATA      = 17,
+   /* RFC 6977 */
+   DHCPV6_RECONFIGURE_REQUEST  = 18,
+    DHCPV6_RECONFIGURE_REPLY   = 19,
+   /* RFC 7341 */
+   DHCPV6_DHCPV4_QUERY         = 20,
+   DHCPV6_DHCPV4_RESPONSE      = 21,
+   /* RFC 7653 */
+   DHCPV6_ACTIVELEASEQUERY     = 22,
+   DHCPV6_STARTTLS             = 23,
+   /* RFC 8156 */
+   DHCPV6_BNDUPD               = 24,
+   DHCPV6_BNDREPLY             = 25,
+   DHCPV6_POOLREQ              = 26,
+   DHCPV6_POOLRESP             = 27,
+   DHCPV6_UPDREQ               = 28,
+   DHCPV6_UPDREQALL            = 29,
+   DHCPV6_UPDDONE              = 30,
+   DHCPV6_CONNECT              = 31,
+   DHCPV6_CONNECTREPLY         = 32,
+   DHCPV6_DISCONNECT           = 33,
+   DHCPV6_STATE                = 34,
+   DHCPV6_CONTACT              = 35,
+   DHCPV6_TYPES_EOF
+};
+
+extern const char *dhcpv6_type_names[];
+extern const int dhcpv6_type_name_max;
+
+// DUID type definitions (RFC 8415 section 11).
+// see isc::dhcp::DUID::DUIDType enum in dhcp/duid.h
+
+// Define hardware types
+// Taken from http://www.iana.org/assignments/arp-parameters/
+static const uint16_t HWTYPE_ETHERNET = 0x0001;
+static const uint16_t HWTYPE_INFINIBAND = 0x0020;
+
+// The following are EXPERIMENTAL and may change when IANA assigns official
+// values.
+// Secure DHCPv6 (draft-ietf-dhc-sedhcpv6-08.txt)
+// (can't use an enum because HashAlgorithm name is already taken)
+#define SHA_256                 1
+#define SHA_512                 2
+#define RSASSA_PKCS1v1_5        1
+
+// Taken from https://www.iana.org/assignments/enterprise-numbers/enterprise-numbers
+static const uint32_t ENTERPRISE_ID_ISC = 2495;
+
+/* DHCPv4-over-DHCPv6 (RFC 7341) inter-process communication. These are option
+   codes for the ISC vendor specific options used in 4o6 */
+static const uint16_t ISC_V6_4O6_INTERFACE = 60000;
+static const uint16_t ISC_V6_4O6_SRC_ADDRESS = 60001;
+static const uint16_t ISC_V6_4O6_SRC_PORT = 60002;
+
+/* Offsets into IA_*'s where Option spaces commence.  */
+static const uint16_t IA_NA_OFFSET = 12; /* IAID, T1, T2, all 4 octets each */
+static const uint16_t IA_TA_OFFSET = 4; /* IAID only, 4 octets */
+static const uint16_t IA_PD_OFFSET = 12; /* IAID, T1, T2, all 4 octets each */
+
+/* Offset into IAADDR's where Option spaces commence. */
+static const uint16_t IAADDR_OFFSET = 24;
+
+/* Offset into IAPREFIX's where Option spaces commence. */
+static const uint16_t IAPREFIX_OFFSET = 25;
+
+/* Offset into LQ_QUERY's where Option spaces commence. */
+static const uint16_t LQ_QUERY_OFFSET = 17;
+
+/*
+ * DHCPv6 well-known multicast addresses, from section 7.1 of RFC 8415
+ */
+// TODO
+#define ALL_DHCP_RELAY_AGENTS_AND_SERVERS "ff02::1:2"
+#define ALL_DHCP_SERVERS "ff05::1:3"
+
+static const uint16_t DHCP6_CLIENT_PORT = 546;
+static const uint16_t DHCP6_SERVER_PORT = 547;
+
+/*
+ * DHCPv6 Retransmission Constants (RFC 8415 section 7.6, RFC 5007)
+ */
+
+// TODO
+#define SOL_MAX_DELAY     1
+#define SOL_TIMEOUT       1
+#define SOL_MAX_RT      120
+#define REQ_TIMEOUT       1
+#define REQ_MAX_RT       30
+#define REQ_MAX_RC       10
+#define CNF_MAX_DELAY     1
+#define CNF_TIMEOUT       1
+#define CNF_MAX_RT        4
+#define CNF_MAX_RD       10
+#define REN_TIMEOUT      10
+#define REN_MAX_RT      600
+#define REB_TIMEOUT      10
+#define REB_MAX_RT      600
+#define INF_MAX_DELAY     1
+#define INF_TIMEOUT       1
+#define INF_MAX_RT      120
+#define REL_TIMEOUT       1
+#define REL_MAX_RC        5
+#define DEC_TIMEOUT       1
+#define DEC_MAX_RC        5
+#define REC_TIMEOUT       2
+#define REC_MAX_RC        8
+#define HOP_COUNT_LIMIT  32
+#define LQ6_TIMEOUT       1
+#define LQ6_MAX_RT       10
+#define LQ6_MAX_RC        5
+
+/* Leasequery query-types (RFC 5007, RFC 5460) */
+
+#define LQ6QT_BY_ADDRESS        1
+#define LQ6QT_BY_CLIENTID       2
+//#define LQ6QT_BY_RELAY_ID       3
+//#define LQ6QT_BY_LINK_ADDRESS   4
+//#define LQ6QT_BY_REMOTE_ID      5
+
+/*
+ * DUID time starts 2000-01-01.
+ * This constant is the number of seconds since 1970-01-01,
+ * when the Unix epoch began.
+ */
+#define DUID_TIME_EPOCH 946684800
+
+/* Information-Request Time option (RFC 8415) */
+
+#define IRT_DEFAULT     86400
+#define IRT_MINIMUM     600
+
+/* DHCPv4-query message flags (see RFC7341) */
+#define DHCPV4_QUERY_FLAGS_UNICAST (1 << 23)
+
+#endif /* DHCP6_H */