Compiling nss_ldap on AIX 6.1

Publicado: marzo 31, 2010 en Sin categoría

Prereqs

We are using AIX 6.1 TL4 SP2:

$ oslevel -s
6100-04-02-1007

Installed openldap library from AIX-ToolboxForLinuxApplications? Cd (we are using 06.2007)

$ rpm -qa |grep ldap
openldap-2.0.21-5ssl
openldap-devel-2.0.21-5ssl

Getting source

From http://www.padl.com/OSS/nss_ldap.html

Actually we are using nss_ldap-265

wget http://www.padl.com/download/nss_ldap.tgz
tar -xvzf nss_ldap.tgz
cd nss_ldap-265

Compiling

Small fixes

First change the Makefile.am:

cp  Makefile.am  Makefile.am.orig
sed 's/    CVSVERSIONDIR=$(top_srcdir) vers_string -v/    CVSVERSIONDIR=$(top_srcdir)\/vers_string -v/' < Makefile.am.orig  > Makefile.am
automake

Fix an small bug:

$ diff aix_authmeth.c aix_authmeth.c~
551c551
<   int stat = _nss_ldap_parse_int(vals[0], 0, &av->attr_un.au_int);
---
>   stat = _nss_ldap_parse_int(vals[0], 0, &av->attr_un.au_int);

configure

We are going to use this command:

LIBPATH=/usr/lib \
./configure \
    --with-ldap-dir=/opt/IBM/ldap/V6.1/ \
    --with-ldap-lib=auto\
    --with-ldap-conf-file=/etc/ldap.conf \
    --enable-rfc2307bis \
    --prefix=/usr/local/stow/nss_ldap-265

We add the variable LIBPATH=/usr/lib because if not we get this error, I do no known why:

$./configure
...
checking for struct ether_addr... yes
checking for socklen_t... yes
checking for pw_change in struct passwd... no
checking for pw_expire in struct passwd... no
checking for unsigned int... yes
checking size of unsigned int... configure: error: cannot compute sizeof (unsigned int), 77
See `config.log' for more details.

And in config.log:
...
configure:11621: ./conftest
Could not load program ./conftest:
        Dependent module libnsl.a(shr.o) could not be loaded.
Could not load module libnsl.a(shr.o).
System error: No such file or directory
configure:11624: $? = 255
configure: program exited with status 255
...

Compile

make

Install

$ sudo make install
make[1]: Entering directory `/mnt/cgx001/SoftwareRepository/source/nss_ldap-265'
/bin/sh ./mkinstalldirs /usr/local/stow/nss_ldap-265/lib/netsvc/dynload
./install-sh -c -o root -g system nss_ldap.so /usr/local/stow/nss_ldap-265/lib/netsvc/dynload/nss_ldap.so
/bin/sh ./mkinstalldirs /usr/local/stow/nss_ldap-265/lib/security
mkdir /usr/local/stow/nss_ldap-265/lib/security
./install-sh -c -o root -g system NSS_LDAP /usr/local/stow/nss_ldap-265/lib/security/NSS_LDAP
./install-sh -c -m 644 -o root -g system ./nsswitch.ldap /usr/local/stow/nss_ldap-265/etc/nsswitch.ldap;
test -z "/usr/local/stow/nss_ldap-265/man/man5" || /bin/sh ./mkinstalldirs "/usr/local/stow/nss_ldap-265/man/man5"
mkdir /usr/local/stow/nss_ldap-265/man
mkdir /usr/local/stow/nss_ldap-265/man/man5
 ./install-sh -c -m 644 './nss_ldap.5' '/usr/local/stow/nss_ldap-265/man/man5/nss_ldap.5'
make[1]: Leaving directory `/mnt/cgx001/SoftwareRepository/source/nss_ldap-265'
mkdir -p /usr/local/etc/ /usr/local/lib/netsvc /usr/local/lib/security /usr/local/man/man5
cd /usr/local/stow
stow nss_ldap-265/

Configure

cat >> /usr/lib/security/methods.cfg <<EOF 

NSSLDAP:
        program = /usr/local/lib/security/NSS_LDAP

KRB5NSSLDAP:
        options = db=NSSLDAP,auth=KRB5

Testing

Rigth now is not operative.

It takes a lot of time to resolve things a name. With only 2 OUs and one level search:

$ time id ldapuser
uid=....

real    0m21.016s
user    0m0.016s
sys     0m0.022s

I have to debug that… I will update this case post.

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