From 102f385da827867fcfc5719977c4d47dad70daeb Mon Sep 17 00:00:00 2001 From: Charl Botha Date: Fri, 17 Jan 2003 14:10:48 +0000 Subject: Added cyrus NO system passwords micro howto by Warwick Duncan. --- contrib/README.txt | 6 ++- ...arwick_duncan-cyrus_without_system_accounts.txt | 49 ++++++++++++++++++++++ 2 files changed, 54 insertions(+), 1 deletion(-) create mode 100644 contrib/warwick_duncan-cyrus_without_system_accounts.txt (limited to 'contrib') diff --git a/contrib/README.txt b/contrib/README.txt index 1ae686e..6d5203b 100644 --- a/contrib/README.txt +++ b/contrib/README.txt @@ -1,6 +1,10 @@ -$Id: README.txt,v 1.1 2002-05-14 15:58:53 cpbotha Exp $ +$Id: README.txt,v 1.2 2003-01-17 14:10:48 cpbotha Exp $ * Makefile.standalone and pam-pwdfile.spec were contributed by Jason F. McBrayer . You can use these for building RPMs of pam_pwdfile; you should also be able to use the Makefile to build pam_pwdfile on other platforms _without_ the Linux-PAM hierarchy. + +* warwick_duncan-cyrus_without_system_accounts.txt is a short explanation by + Warwick Duncan on how to get Cyrus IMAPD + pam_pwdfile to work WITHOUT + having to create system accounts for IMAPD users. diff --git a/contrib/warwick_duncan-cyrus_without_system_accounts.txt b/contrib/warwick_duncan-cyrus_without_system_accounts.txt new file mode 100644 index 0000000..0144af1 --- /dev/null +++ b/contrib/warwick_duncan-cyrus_without_system_accounts.txt @@ -0,0 +1,49 @@ +On Tue, Jan 14, 2003 at 01:06:02AM +0100, Charl P. Botha wrote: +[...] +> ----- Forwarded message from Darren Gibbons ----- +[...] +> It is however possible with certain applications patched for pam +> (Cyrus IMAP server e.g.) that one does not need the users to +> exist in the system database. +[...] + +I've got it working with cyrus 2.0 and 2.1, so I'll give some pointers +on both. When I say `cyrus x' I mean cyrus imapd version x and +whichever version of sasl you need with it. + +Cyrus 2.0 +--------- + +- sasl must be configured with `--with-pam --enable-plain'; it doesn't + hurt to add `--disable cram --disable-digest' +- imapd must be configured with `--with-auth=unix' (sounds like you got + that right) +- in imapd.conf you need the line + sasl_pwcheck_method: PAM +- in /etc/pam.d/imap (on FreeBSD I believe you use /etc/pam.conf, but + the idea is similar) you need + auth required pam_pwdfile.so pwdfile /path/to/passwordfile + account required pam_permit.so +- make sure your password file is readable by user cyrus + +The idea of all this is to use the SASL PLAIN mechanism to get the +password in plaintext and then get SASL to leave the authentication to +PAM, which will use pam_pwdfile. + +Cyrus 2.1 +--------- + +- same as above, but different ;) in the details +- sasl must be configured with `--with-pam --with-saslauthd + --enable-plain' and I disable the rest (checkapop, digest, otp, krb4, + etc.) +- imapd should be configured with `--with-auth=unix' +- in imapd.conf you need the line + sasl_pwcheck_method: saslauthd +- start up saslauthd with `saslauthd -a pam' +- you need the /etc/pam.d/imap as above, as well as (an identical) + /etc/pam.d/sieve if you use timsieved + +I think that about covers it. One tricky bit with SASL is to get the +right mechanisms advertised; I do this by only compiling in support for +PLAIN and LOGIN. If the rest don't exist they can't cause problems. -- cgit v1.2.3