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clearenv(3) is a GNU extension that was rejected twice by POSIX, without an easy, portable alternative. As the dovecot project notes, """ environ = NULL crashes on OSX - and OpenBSD < 6.0 *environ = NULL doesn't work on FreeBSD 7.0 environ = emptyenv doesn't work on Haiku OS environ = calloc should work everywhere """ (source: http://hg.dovecot.org/dovecot-2.0/file/48f90e7e92dc/src/lib/env-util.c) Bug: https://bugzilla.samba.org/show_bug.cgi?id=11864 Signed-off-by: Jérémie Courrèges-Anglas <jca@wxcvbn.org> Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Fri Apr 29 00:12:02 CEST 2016 on sn-devel-144
smbspool ========= smbspool is a very small print spooling program that sends a print file to an SMB printer. The command-line arguments are position-dependent for compatibility with the CUPS. For printing support with Kerberos, CUPS 1.5+ needs a wrapper for the backend which sets the correct location of the Kerberos credential cache. smbspool_krb5_wrapper ====================== This tool can be used to print using Kerberos credentials. To get this working smbspool_krb5_wrapper needs to be the smb backend of CUPS. It needs to be owned by root and the permissions for the binary need to be 0700. Once smbspool_krb5_wrapper switched to the user trying to print it executes smbspool.