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ACL Policy Daemon for Postfix 0.70 (Default branch)

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Special Forums News, Links, Events and Announcements Software Releases - RSS News ACL Policy Daemon for Postfix 0.70 (Default branch)
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Old 04-21-2008
ACL Policy Daemon for Postfix 0.70 (Default branch)
ACL Policy Daemon is a program that communicates with the Postfix MTA using the Policy Delegation Protocol to implement an ACL (Access Control List) system, making it very easy to improve and create controls for your email traffic. It can verify SPF records and do greylisting too.License: GNU General Public License (GPL)Changes:
This release adds greylisting support and has complete code refactoring. There are many new ACLs, better documentation, and performance improvements. It's been tested on production servers for some time and has proven to be very stable and reliable.Image

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acl_valid

ACL_VALID(3)						   BSD Library Functions Manual 					      ACL_VALID(3)

NAME

     acl_valid -- validate an ACL

LIBRARY

     Linux Access Control Lists library (libacl, -lacl).

SYNOPSIS

     #include <sys/types.h>
     #include <sys/acl.h>

     int
     acl_valid(acl_t acl);

DESCRIPTION

     The acl_valid() function checks the ACL referred to by the argument acl for validity.

     The three required entries ACL_USER_OBJ, ACL_GROUP_OBJ, and ACL_OTHER must exist exactly once in the ACL. If the ACL contains any ACL_USER or
     ACL_GROUP entries, then an ACL_MASK entry is also required. The ACL may contain at most one ACL_MASK entry.

     The user identifiers must be unique among all entries of type ACL_USER.  The group identifiers must be unique among all entries of type
     ACL_GROUP.

RETURN VALUE

     The acl_valid() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indi-
     cate the error.

ERRORS

     If any of the following conditions occur, the acl_valid() function returns -1 and sets errno to the corresponding value:

     [EINVAL]		The argument acl is not a valid pointer to an ACL.

			The argument acl does not point to a valid ACL.

			One or more of the required ACL entries is not present in acl.

			The ACL contains entries that are not unique.

STANDARDS

     IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)

SEE ALSO

     acl_check(3), acl_set_file(3), acl(5)

AUTHOR

     Derived from the FreeBSD manual pages written by Robert N M Watson <rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher
     <a.gruenbacher@bestbits.at>.

Linux ACL							  March 23, 2002							 Linux ACL