[autobackport: sssd-2-9] sdap: handle missing rootDSE gracefully

[sssd-bot]

This is an automatic backport of PR#8706 sdap: handle missing rootDSE gracefully to branch sssd-2-9, created by @pbrezina.

Caution

@pbrezina The patches did not apply cleanly. It is necessary to resolve conflicts before merging this pull request. Commits that introduced conflict are marked with CONFLICT!.

You can push changes to this pull request

git remote add sssd-bot git@github.com:sssd-bot/sssd.git
git fetch sssd-bot refs/heads/SSSD-sssd-backport-pr8706-to-sssd-2-9
git checkout SSSD-sssd-backport-pr8706-to-sssd-2-9
git push sssd-bot SSSD-sssd-backport-pr8706-to-sssd-2-9 --force

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Original commits
2cc7dfa - sdap: handle missing rootDSE gracefully

Backported commits

• 7a96d83 - CONFLICT! sdap: handle missing rootDSE gracefully

Conflicting Files Information (check for deleted and re-added files)

• CONFLICT! sdap: handle missing rootDSE gracefully

On branch SSSD-sssd-backport-pr8706-to-sssd-2-9
You are currently cherry-picking commit 2cc7dfa18.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   src/providers/ldap/sdap_async_connection.c

no changes added to commit (use "git add" and/or "git commit -a")

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Original Pull Request Body

If ldap_read_rootdse = never then srv_opts which is unexpected. It can
also happen on other path in the connection code, because
sdap_cli_use_rootdse() is called only when the rootDSE is successfully
fetch. This patch makes sure that srv_opts are always set.

:fixes: SSSD no longer crashes if ldap_read_rootdse = never and
enumarete = true

[gemini-code-assist]

Code Review

This pull request introduces changes to handle missing rootDSE gracefully in sdap_async_connection.c. However, the changes contain multiple unresolved git merge conflict markers (such as <<<<<<< HEAD, =======, and >>>>>>>), which will prevent compilation. These conflict markers must be resolved and cleaned up.

[thalman]

ACK

[sssd-bot]

The pull request was accepted by @alexey-tikhonov with the following PR CI status:

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🟢 CodeQL (success)
🟢 rpm-build:centos-stream-9-x86_64:upstream (success)
🟢 Build / make-distcheck (success)
🟢 ci / prepare (success)
🟢 ci / system (centos-9) (success)
🟢 Static code analysis / codeql (success)
🟢 Static code analysis / pre-commit (success)
🟢 Static code analysis / python-system-tests (success)

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