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Diffstat (limited to 'contrib/warwick_duncan-cyrus_without_system_accounts.txt')
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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. |