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Issues ISC dhcpd using libldap of OpenLDAP 2.4.48
- To: openldap-devel@openldap.org
- Subject: Issues ISC dhcpd using libldap of OpenLDAP 2.4.48
- From: Michael Ströder <michael@stroeder.com>
- Date: Wed, 17 Jul 2019 15:13:40 +0200
- Autocrypt: addr=michael@stroeder.com; prefer-encrypt=mutual; keydata= mQENBFbdnRoBCADj0vYA4aRwKJ6AE4mf8oElLgMT/1eLNKpJ2FYBWcwj9d8dTk5/p9b8DRxy S/qQIUUZqt9xRFZwUCm0vFeQMRDeN9xzAKoRzrJifoDOacOjG1lhZTKYvVZGgUT89Ao3QeHh Q7gPzcAKNoueoR2y3FXStOYuRrbk5PlSjVAITjsotgc7PWE9mmVYpeu8a+byK/DBHKUyolOA 1UXYvDa7MbPhMtdNm8qnwtKs1Vsyk1VkErM+5cIe+zTT6WYQcmZMRjCtWGiFTzk9W6Mdlskk WRTKhKNgokTsgcy1ecaCBUZWxv/SyXgD81+rwRi9b8Px+1reg43ayxi8sV7jrI1feybbABEB AAG0J01pY2hhZWwgU3Ryw7ZkZXIgPG1pY2hhZWxAc3Ryb2VkZXIuY29tPokBNwQTAQgAIQUC Vt2dGgIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRAH3HrjaovJOFpTCACjO773gcmJ KvzjiNpUFl/gANyaJgIq4VbMQ7VthRb1F9X6YbdJ6Z99ntyESjGFCpjofcSomr2vJDpv6ht+ lY33yo20YwsMpqe2OeId0jPybG+FtabKjgBNoAk7iqnBGUvE4t0dz0n1LQVCQR2jxyTKmcNq OYpsRZ3H+6kWwJMuVgsNZglINVZ8JgV5QuLYN5jhYz+pOuFnU11bV6nWREvzZXzebe7g7Zus 6AsWjtJ0lDvgBNzLlF3/eFrVch6Bejs0SvuFseIdZQk+4YU6Rb8xul/jDFXIfo7eTmijO3dV T5AmC1cUi8czncwpgAJnEH8vYv23RoN/aw2gSMCS2huIuQENBFbdnRoBCAC7L1cTVBVZZuM/ yxSUM5CsgGBlTD1Cr7C2ngZFsHSYXVLq6NUB8GZA2iLK96CrwnFw4/Jjz4llOjc50iVRMQKL RyFWOJAMrpPq2ew5T+Uoo524D//dwVbqkFVVuvM8NPiKIDyPGCjP+acM1D8hXwhOXgQ8Iz8Q 3/GRSYjitn9JrkF0ia2nhariznBKVu0LDffxF/hOCx45+QRR2/rYYlshfZMB7nEJX9P+hVfM CSzltz9Z8CldeUbiJvnyrISReR2XBw9oh8JkIUP0BtpIaify9A7EfzOk+W9BUnWe+YwdSUsB fJxOhSv+umyW5GMqZGFu+4oYnkzbe+1LUs1JarCtABEBAAGJAR8EGAEIAAkFAlbdnRoCGwwA CgkQB9x642qLyTjEUgf+JX6Atatl/QKe37yCj1OZYNPd3B0rPLJRF5mEmrADRXLZC9+uFeDS Wxxln040gnR6rjBHrRcvVmlTDiZY26iuL16+V+0/aZ9uyXNQSzk2cwDSiI/8gvr72Y+FN5fh cGXpeNHxHilYc9onzDhxyE76cwzqTKm4q2ULIH2u9IHQ5O86Fv6nHPYhe2fy1bhQapNwi/Xl 3G3i2WNH/w7m+1zWU1IddZOjmXzoxLT1BATwXGa0Tt5RjVb2mM1Wg3Zj6kqFkF2vvKcvrwj0 q0Ap5uyfN5m0uWzQMCMoaV9HQf7f5MkS1lnwBqDgnojjVAieX5uk7olUiRuPKHMfhvXulYP8 AA==
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HI!
I've tried the following without success:
Disabled Link Time Optimization (LTO), recently introduced for openSUSE
Tumbleweed, in packages openldap2 and dhcp-server. Just to make sure it
does not cause any harm.
Upstream update to dhcp 4.4.1 without any of openSUSE's back-port patches.
dhcpd does not even contact the LDAP server. It seems there's some call
into libldap failing and this is handled by dhcpd as connection error.
FWIW: I've attached the strace output of the following command which
does not say much:
LDAPNOINIT=1 /usr/sbin/dhcpd -T
I have no clues where to look now and I have to give up.
Could someone review the source of dhcpd?
The relevant files are ldap*.c:
https://source.isc.org/cgi-bin/gitweb.cgi?p=dhcp.git;a=tree;f=server
Ciao, Michael.
------------------------- dhcpd.conf ------------------------------
ldap-server "127.0.0.1";
ldap-port 389;
ldap-username "cn=host.example.com,ou=DHCP,example,dc=com";
ldap-password "host-secret";
ldap-base-dn "ou=DHCP,example,dc=com";
ldap-ssl off;
ldap-method dynamic;
Attachment:
strace-dhcpd.txt.gz
Description: application/gzip
Attachment:
smime.p7s
Description: S/MIME Cryptographic Signature