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<p class="MsoNormal"><span style="font-size:11.0pt">Double check the SAML request that is coming in. If it is stating something like NameIDPolicy > unspecified + Exact, then that may be why you are having trouble.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">- Steve Mak<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">users <users-bounces@shibboleth.net> on behalf of IAM David Bantz via users <users@shibboleth.net><br>
<b>Date: </b>Thursday, October 6, 2022 at 7:29 PM<br>
<b>To: </b>Shib Users <users@shibboleth.net><br>
<b>Cc: </b>IAM David Bantz <dabantz@alaska.edu><br>
<b>Subject: </b>getting desired value into nameID<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">A new service is correctly consuming a more or less default SAML response from our IdP, with opaque transient nameID in the SAML Subject.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">But they really want the scoped principal name (ePPN) of the user in the nameID, and I’ve failed so far to properly configure the IdP to do so.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Their metadata as provided indicates:<o:p></o:p></span></p>
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<p style="margin:0in;font-stretch:normal"><span style="font-size:7.5pt;font-family:Menlo;color:#475B62"> </span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7"><md:NameIDFormat></span><span style="font-size:7.5pt;font-family:Menlo;color:#475B62">urn:oasis:names:tc:SAML:2.0:nameid-format:transient</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7"></md:NameIDFormat></span><span style="font-size:7.5pt;font-family:Menlo;color:#475B62"><o:p></o:p></span></p>
<p style="margin:0in;font-stretch:normal"><span style="font-size:7.5pt;font-family:Menlo;color:#475B62">
</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7"><md:NameIDFormat></span><span style="font-size:7.5pt;font-family:Menlo;color:#475B62">urn:oasis:names:tc:SAML:2.0:nameid-format:persistent</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7"></md:NameIDFormat></span><span style="font-size:7.5pt;font-family:Menlo;color:#475B62"><o:p></o:p></span></p>
<p style="margin:0in;font-stretch:normal"><span style="font-size:7.5pt;font-family:Menlo;color:#475B62">
</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7"><md:NameIDFormat></span><span style="font-size:7.5pt;font-family:Menlo;color:#475B62">urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7"></md:NameIDFormat></span><span style="font-size:7.5pt;font-family:Menlo;color:#475B62"><o:p></o:p></span></p>
<p style="margin:0in;font-stretch:normal"><span style="font-size:7.5pt;font-family:Menlo;color:#475B62">
</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7"><md:NameIDFormat></span><span style="font-size:7.5pt;font-family:Menlo;color:#475B62">urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7"></md:NameIDFormat></span><span style="font-size:7.5pt;font-family:Menlo;color:#475B62"><o:p></o:p></span></p>
<p style="margin:0in;font-stretch:normal"><span style="font-size:7.5pt;font-family:Menlo;color:#475B62">
</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7"><md:AssertionConsumerService
</span><span style="font-size:7.5pt;font-family:Menlo;color:#BD3613">Binding=</span><span style="font-size:7.5pt;font-family:Menlo;color:#A57705">"urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7">
</span><span style="font-size:7.5pt;font-family:Menlo;color:#BD3613">Location=</span><span style="font-size:7.5pt;font-family:Menlo;color:#A57705">"<a href="https://urldefense.com/v3/__https:/login.apogeenet.net/cas/login?client_name=SAML2Client0__;!!IBzWLUs!VfhURXLqbLHTNrt1L_0879XJ_c2AOr8CqwwjIMQafPgJ4BASiS4saPOkqM3xn1L7XR0I_YppIUZB6MUc$">https://login.apogeenet.net/cas/login?client_name=SAML2Client0</a>"</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7">
</span><span style="font-size:7.5pt;font-family:Menlo;color:#BD3613">index=</span><span style="font-size:7.5pt;font-family:Menlo;color:#A57705">"0"</span><span style="font-size:7.5pt;font-family:Menlo;color:#2176C7">/></span><span style="font-size:7.5pt;font-family:Menlo;color:#A57705"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">so I don’t suppose they really care about the format.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">When I attempt to provide ePPN via SAML-nameid.xml config, the SAML assertion has no nameID at all or has the default opaque transient nameID. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Tried many combinations but, as an example seeming parallel to a number of older integrations, with the <o:p></o:p></span></p>
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<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt">multiple NameIDFormat elements removed from metadata, and <o:p></o:p></span></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt">saml-nameid.xml configured to use ePPN for nameID & emailAddress format for this service,<o:p></o:p></span></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt">relying-party.xml configured for emailAddress precedence <o:p></o:p></span></li></ul>
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<p class="MsoNormal"><span style="font-size:11.0pt">the subject contains unwanted long opaque transient nameID <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">If the format precedence is removed in relyin-party.xml the Subject contains no nameID at all.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">The only relevant message I see in logs at DEBUG is a repeat of what the metadata is requesting, and if “unspecified” is included, a warning that that is being ignored.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">What stupid interaction/config am I spacing on?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">David St Pierre Bantz<o:p></o:p></span></p>
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