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AD Provider: read sAMAccountName unconditionally #7497

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AD Provider: read sAMAccountName unconditionally #7497

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ondrejv2
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This is a follow up to pull request #7476 incorporating the changes as Simo requested.

@ondrejv2 ondrejv2 mentioned this pull request Jul 16, 2024
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sumit-bose
sumit-bose reviewed Jul 22, 2024
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src/providers/ldap/sdap_async_users.c Outdated
opts->user_map[SDAP_AT_USER_SAMACCOUNTNAME].sys_name, &samaccountname);
if (ret == EOK) {
ret = ENOENT;
realm = dp_opt_get_cstring(opts->basic, SDAP_KRB5_REALM);
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Hi,

I think it would be better to use realm = dom->realm here, opts->basic contain the global options of the backend and SDAP_KRB5_REALM is the realm of the domain you joined to. If the user is coming from a trusted domain this realm would be wrong.

bye,
Sumit

sumit-bose
sumit-bose reviewed Jul 22, 2024
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src/providers/ldap/sdap_utils.c Outdated
return NULL;
}

realm = dp_opt_get_cstring(sdap_basic_opts, SDAP_KRB5_REALM);
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Hi,
same here, SDAP_KRB5_REALM would be wrong for trusted domain. It works for get_enterprise_principal_string_filte() because with enterprise principals it is expected that the realm is from the local domain and the request is send to the local KDC which then will look at the part before the realm with the \@ and will try to figure out from which trusted realm the principal might be coming from and if it found wound it will tell the client to forward the request to this realm. But all of this is special for enterprise principals. But here the proper canonical principal for a user from a trusted domain is needed and hence the realm must match.

bye,
Sumit

sumit-bose
sumit-bose reviewed Jul 22, 2024
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src/db/sysdb.h Outdated Show resolved Hide resolved
@alexey-tikhonov alexey-tikhonov added the no-backport This should go to target branch only. label Jul 23, 2024
justin-stephenson
justin-stephenson reviewed Jul 23, 2024
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src/providers/ldap/sdap_utils.c Outdated
/* we check the principal and if it contains our realm, then we drop it
* for the comparison with sAMAccountName */

char *principal_string_to_sAMAccountName(TALLOC_CTX *mem_ctx,
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switch to all lowercase principal_string_to_samaccountname to follow C naming convention

@ondrejv2
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Hi,
can you review again please?
Thanks.
Ondrej

@alexey-tikhonov
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It doesn't build:

/usr/bin/ld: ./.libs/libsss_ldap_common.so: undefined reference to `principal_string_to_samaccountname'

@ondrejv2
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ondrejv2 commented Aug 1, 2024

Hello, is the PR in good shape now? Can anyone confirm?

justin-stephenson
justin-stephenson approved these changes Aug 1, 2024
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Ack from me, thank you.

@sumit-bose
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Hi,

thanks for the update. Can you squash the new patch into the first one and rebase your patches on top of the current master so that the patch SPEC: add new systemtap-sdt-dtrace to build deps is includes as well so that the CI runs for Fedora 41 and rawhide will work again?

bye,
Sumit

@alexey-tikhonov
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Please 'rebase' instead of 'merge'

@ondrejv2
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ondrejv2 commented Aug 22, 2024 •
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Hi,
Can you check now?

@sumit-bose
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Hi, Can you check now?

Hi,

thank you, this looks better now. Codewise I'm fine, I will do some final testing.

bye,
Sumit

sumit-bose
sumit-bose approved these changes Aug 27, 2024
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Hi,

thank you for your patience, I have no further comments, ACK.

bye,
Sumit

@alexey-tikhonov alexey-tikhonov added the Ready to push Ready to push label Sep 4, 2024
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Pushed PR: #7497

  • master
    • 7a27e53 - AD: Construct UPN from the sAMAccountName
    • f05bd34 - AD provider: Read sAMAccountName attribute unconditionally

@ondrejv2 ondrejv2 deleted the samaccountname2 branch September 16, 2024 06:16
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@justin-stephenson justin-stephenson justin-stephenson approved these changes

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@ondrejv2 @alexey-tikhonov @sumit-bose @justin-stephenson