ae77177087
several new kerberos related libraries and applications to FreeBSD:
o kgetcred(1) allows one to manually get a ticket for a particular service.
o kf(1) securily forwards ticket to another host through an authenticated
and encrypted stream.
o kcc(1) is an umbrella program around klist(1), kswitch(1), kgetcred(1)
and other user kerberos operations. klist and kswitch are just symlinks
to kcc(1) now.
o kswitch(1) allows you to easily switch between kerberos credentials if
you're running KCM.
o hxtool(1) is a certificate management tool to use with PKINIT.
o string2key(1) maps a password into key.
o kdigest(8) is a userland tool to access the KDC's digest interface.
o kimpersonate(8) creates a "fake" ticket for a service.
We also now install manpages for some lirbaries that were not installed
before, libheimntlm and libhx509.
- The new HEIMDAL version no longer supports Kerberos 4. All users are
recommended to switch to Kerberos 5.
- Weak ciphers are now disabled by default. To enable DES support (used
by telnet(8)), use "allow_weak_crypto" option in krb5.conf.
- libtelnet, pam_ksu and pam_krb5 are now compiled with error on warnings
disabled due to the function they use (krb5_get_err_text(3)) being
deprecated. I plan to work on this next.
- Heimdal's KDC now require sqlite to operate. We use the bundled version
and install it as libheimsqlite. If some other FreeBSD components will
require it in the future we can rename it to libbsdsqlite and use for these
components as well.
- This is not a latest Heimdal version, the new one was released while I was
working on the update. I will update it to 1.5.2 soon, as it fixes some
important bugs and security issues.
180 lines
4.9 KiB
Groff
180 lines
4.9 KiB
Groff
-- $Id$
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DIGEST DEFINITIONS ::=
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BEGIN
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IMPORTS EncryptedData, Principal FROM krb5;
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DigestTypes ::= BIT STRING {
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ntlm-v1(0),
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ntlm-v1-session(1),
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ntlm-v2(2),
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digest-md5(3),
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chap-md5(4),
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ms-chap-v2(5)
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}
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DigestInit ::= SEQUENCE {
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type UTF8String, -- http, sasl, chap, cram-md5 --
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channel [0] SEQUENCE {
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cb-type UTF8String,
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cb-binding UTF8String
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} OPTIONAL,
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hostname [1] UTF8String OPTIONAL -- for chap/cram-md5
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}
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DigestInitReply ::= SEQUENCE {
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nonce UTF8String, -- service nonce/challange
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opaque UTF8String, -- server state
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identifier [0] UTF8String OPTIONAL
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}
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DigestRequest ::= SEQUENCE {
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type UTF8String, -- http, sasl-md5, chap, cram-md5 --
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digest UTF8String, -- http:md5/md5-sess sasl:clear/int/conf --
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username UTF8String, -- username user used
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responseData UTF8String, -- client response
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authid [0] UTF8String OPTIONAL,
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authentication-user [1] Principal OPTIONAL, -- principal to get key from
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realm [2] UTF8String OPTIONAL,
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method [3] UTF8String OPTIONAL,
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uri [4] UTF8String OPTIONAL,
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serverNonce UTF8String, -- same as "DigestInitReply.nonce"
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clientNonce [5] UTF8String OPTIONAL,
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nonceCount [6] UTF8String OPTIONAL,
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qop [7] UTF8String OPTIONAL,
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identifier [8] UTF8String OPTIONAL,
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hostname [9] UTF8String OPTIONAL,
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opaque UTF8String -- same as "DigestInitReply.opaque"
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}
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-- opaque = hex(cksum(type|serverNonce|identifier|hostname,digest-key))
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-- serverNonce = hex(time[4bytes]random[12bytes])(-cbType:cbBinding)
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DigestError ::= SEQUENCE {
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reason UTF8String,
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code INTEGER (-2147483648..2147483647)
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}
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DigestResponse ::= SEQUENCE {
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success BOOLEAN,
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rsp [0] UTF8String OPTIONAL,
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tickets [1] SEQUENCE OF OCTET STRING OPTIONAL,
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channel [2] SEQUENCE {
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cb-type UTF8String,
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cb-binding UTF8String
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} OPTIONAL,
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session-key [3] OCTET STRING OPTIONAL
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}
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NTLMInit ::= SEQUENCE {
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flags [0] INTEGER (0..4294967295),
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hostname [1] UTF8String OPTIONAL,
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domain [1] UTF8String OPTIONAL
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}
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NTLMInitReply ::= SEQUENCE {
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flags [0] INTEGER (0..4294967295),
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opaque [1] OCTET STRING,
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targetname [2] UTF8String,
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challange [3] OCTET STRING,
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targetinfo [4] OCTET STRING OPTIONAL
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}
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NTLMRequest ::= SEQUENCE {
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flags [0] INTEGER (0..4294967295),
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opaque [1] OCTET STRING,
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username [2] UTF8String,
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targetname [3] UTF8String,
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targetinfo [4] OCTET STRING OPTIONAL,
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lm [5] OCTET STRING,
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ntlm [6] OCTET STRING,
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sessionkey [7] OCTET STRING OPTIONAL
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}
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NTLMResponse ::= SEQUENCE {
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success [0] BOOLEAN,
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flags [1] INTEGER (0..4294967295),
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sessionkey [2] OCTET STRING OPTIONAL,
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tickets [3] SEQUENCE OF OCTET STRING OPTIONAL
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}
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NTLMRequest2 ::= SEQUENCE {
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loginUserName [0] UTF8String,
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loginDomainName [1] UTF8String,
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flags [2] INTEGER (0..4294967295),
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lmchallenge [3] OCTET STRING SIZE (8),
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ntChallengeResponce [4] OCTET STRING,
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lmChallengeResponce [5] OCTET STRING
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}
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NTLMReply ::= SEQUENCE {
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success [0] BOOLEAN,
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flags [1] INTEGER (0..4294967295),
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sessionkey [2] OCTET STRING OPTIONAL
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}
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DigestReqInner ::= CHOICE {
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init [0] DigestInit,
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digestRequest [1] DigestRequest,
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ntlmInit [2] NTLMInit,
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ntlmRequest [3] NTLMRequest,
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supportedMechs [4] NULL
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}
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DigestREQ ::= [APPLICATION 128] SEQUENCE {
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apReq [0] OCTET STRING,
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innerReq [1] EncryptedData
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}
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DigestRepInner ::= CHOICE {
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error [0] DigestError,
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initReply [1] DigestInitReply,
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response [2] DigestResponse,
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ntlmInitReply [3] NTLMInitReply,
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ntlmResponse [4] NTLMResponse,
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supportedMechs [5] DigestTypes,
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...
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}
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DigestREP ::= [APPLICATION 129] SEQUENCE {
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apRep [0] OCTET STRING,
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innerRep [1] EncryptedData
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}
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-- HTTP
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-- md5
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-- A1 = unq(username-value) ":" unq(realm-value) ":" passwd
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-- md5-sess
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-- A1 = HEX(H(unq(username-value) ":" unq(realm-value) ":" passwd ) ":" unq(nonce-value) ":" unq(cnonce-value))
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-- qop == auth
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-- A2 = Method ":" digest-uri-value
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-- qop == auth-int
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-- A2 = Method ":" digest-uri-value ":" H(entity-body)
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-- request-digest = HEX(KD(HEX(H(A1)),
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-- unq(nonce-value) ":" nc-value ":" unq(cnonce-value) ":" unq(qop-value) ":" HEX(H(A2))))
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-- no "qop"
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-- request-digest = HEX(KD(HEX(H(A1)), unq(nonce-value) ":" HEX(H(A2))))
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-- SASL:
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-- SS = H( { unq(username-value), ":", unq(realm-value), ":", password } )
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-- A1 = { SS, ":", unq(nonce-value), ":", unq(cnonce-value) }
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-- A1 = { SS, ":", unq(nonce-value), ":", unq(cnonce-value), ":", unq(authzid-value) }
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-- A2 = "AUTHENTICATE:", ":", digest-uri-value
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-- qop == auth-int,auth-conf
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-- A2 = "AUTHENTICATE:", ":", digest-uri-value, ":00000000000000000000000000000000"
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-- response-value = HEX( KD ( HEX(H(A1)),
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-- { unq(nonce-value), ":" nc-value, ":",
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-- unq(cnonce-value), ":", qop-value, ":",
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-- HEX(H(A2)) }))
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END
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