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kdc: Honor no-auth-data-reqd on cross-real TGTs

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Nowadays we use PACs instead of AD-SIGNEDPATH, so we want a PAC on every
TGT, but we don't necessarily want PACs on cross-realm TGTs.

Specifically, we don't interop well yet with AD when issuing cross-realm
TGTs with AD realms as the destination realm (see #1091).
This commit is contained in:
Nicolas Williams
2023-05-17 21:17:13 -05:00
committed by Nico Williams
parent 8ac4266021
commit 27cdf81995
2 changed files with 47 additions and 5 deletions
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38
tests/kdc/check-kdc.in
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@@ -261,6 +261,7 @@ ${kadmin} ext -k ${keytab} ${alias1}@${R} || exit 1
${kadmin} modify --alias=${alias2}@${R} ${alias1}@${R}
${kadmin} add -p cross1 --use-defaults krbtgt/${R2}@${R} || exit 1
${kadmin} modify --attributes=+no-auth-data-reqd krbtgt/${R2}@${R} || exit 1
${kadmin} add -p cross2 --use-defaults krbtgt/${R}@${R2} || exit 1
${kadmin} add -p cross1 --use-defaults krbtgt/${R3}@${R2} || exit 1
@@ -551,6 +552,20 @@ for a in $enctypes; do
done
${kdestroy}
echo "Getting client initial tickets with PAC"; > messages.log
${kinit} --request-pac --password-file=${objdir}/foopassword foo@$R || \
{ ec=1 ; eval "${testfailed}"; }
for a in $enctypes; do
echo "Getting tickets for PAC-less service principal ($a)"; > messages.log
${kgetcred} -e $a ${server4}@${R2} || { ec=1 ; eval "${testfailed}"; }
${test_ap_req} --verify-pac ${server4}@${R2} ${keytab} ${cache} && \
{ ec=1 ; eval "${testfailed}"; }
${test_ap_req} --no-verify-pac ${server4}@${R2} ${keytab} ${cache} || \
{ ec=1 ; eval "${testfailed}"; }
${kdestroy} --credential=${server4}@${R2}
done
${kdestroy}
echo "Getting client authenticated anonymous initial tickets"; > messages.log
${kinit} -n --password-file=${objdir}/foopassword foo@$R || \
{ ec=1 ; eval "${testfailed}"; }
@@ -559,6 +574,8 @@ for a in $enctypes; do
${kgetcred} -e $a ${server}@${R} || { ec=1 ; eval "${testfailed}"; }
${test_ap_req} --no-verify-pac ${server}@${R} ${keytab} ${cache} || \
{ ec=1 ; eval "${testfailed}"; }
${test_ap_req} --verify-pac ${server}@${R} ${keytab} ${cache} && \
{ ec=1 ; eval "${testfailed}"; }
${kdestroy} --credential=${server}@${R}
done
${kdestroy}
@@ -575,7 +592,7 @@ for a in $enctypes; do
done
${kdestroy}
echo "Getting client initial tickets for cross realm case"; > messages.log
echo "Getting client initial tickets for cross realm case (no-auth-data-reqd for ${R2})"; > messages.log
${kinit} --password-file=${objdir}/foopassword foo@$R || { ec=1 ; eval "${testfailed}"; }
for a in $enctypes; do
echo "Getting cross realm tickets ($a)"; > messages.log
@@ -583,7 +600,24 @@ for a in $enctypes; do
echo " checking we we got back right ticket"
${klist} | grep ${server2}@ > /dev/null || { ec=1 ; eval "${testfailed}"; }
echo " checking if ticket is useful"
${test_ap_req} ${server2}@${R2} ${keytab} ${cache} || \
${test_ap_req} --no-verify-pac ${server2}@${R2} ${keytab} ${cache} || \
{ ec=1 ; eval "${testfailed}"; }
${test_ap_req} --verify-pac ${server2}@${R2} ${keytab} ${cache} && \
{ ec=1 ; eval "${testfailed}"; }
${kdestroy} --credential=${server2}@${R2}
done
${kdestroy}
echo "Getting client initial tickets for cross realm case (w/ PAC)"; > messages.log
${kadmin} modify --attributes=-no-auth-data-reqd krbtgt/${R2}@${R} || exit 1
${kinit} --password-file=${objdir}/foopassword foo@$R || { ec=1 ; eval "${testfailed}"; }
for a in $enctypes; do
echo "Getting cross realm tickets ($a)"; > messages.log
${kgetcred} -e $a ${server2}@${R2} || { ec=1 ; eval "${testfailed}"; }
echo " checking we we got back right ticket"
${klist} | grep ${server2}@ > /dev/null || { ec=1 ; eval "${testfailed}"; }
echo " checking if ticket is useful"
${test_ap_req} --verify-pac ${server2}@${R2} ${keytab} ${cache} || \
{ ec=1 ; eval "${testfailed}"; }
${kdestroy} --credential=${server2}@${R2}
done