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ACL Policy Daemon for Postfix 0.72 (Default branch)

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Special Forums News, Links, Events and Announcements Software Releases - RSS News ACL Policy Daemon for Postfix 0.72 (Default branch)
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Old 05-13-2008
ACL Policy Daemon for Postfix 0.72 (Default branch)
ACL Policy Daemon communicates with the Postfix MTA using the Policy Delegation Protocol, implementing an ACL (Access Control List) system. Key features: greylisting with flexible storage using memory for fast responses or disk for high persistence, SPF validation, control of messages by day/time, variable message size limits per domain or email, multiple RBL checking, and various ACLs available to use and combine. The configuration is simple and intuitive. License: GNU General Public License (GPL) Changes:
New ACLs: protocol_name and log. Improved debug messages. In an access statement, the action is now optional; if there is no action specified, the default action is used. The requirement has been reduced for the size ACL from smtpd_end_of_data_restrictions to smtpd_sender_restrictions. There is better handling of configuration errors.Image

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acl_init

ACL_INIT(3)						   BSD Library Functions Manual 					       ACL_INIT(3)

NAME

     acl_init -- initialize ACL working storage

LIBRARY

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

SYNOPSIS

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

     acl_t
     acl_init(int count);

DESCRIPTION

     The acl_init() function allocates and initializes the working storage for an ACL of at least count ACL entries.  The ACL created initially
     contains no ACL entries.  A pointer to the working storage is returned.

     This function may cause memory to be allocated.  The caller should free any releasable memory, when the new ACL is no longer required, by
     calling acl_free(3) with the (void*)acl_t returned by acl_init() as an argument.

RETURN VALUE

     On success, this function returns a pointer to the working storage.  On error, a value of (acl_t)NULL is returned, and errno is set appropri-
     ately.

ERRORS

     If any of the following conditions occur, the acl_init() function returns a value of (acl_t)NULL and sets errno to the corresponding value:

     [EINVAL]		The value of count is less than zero.

     [ENOMEM]		The acl_t to be returned requires more memory than is allowed by the hardware or system-imposed memory management con-
			straints.

STANDARDS

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

SEE ALSO

     acl_get_file(3), acl_free(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