Add qmail-dovecot-checkpassword: DJB-style checkpassword for Dovecot auth socket

qmail checkpassword helper for dovecot auth socket. This can be used as
checkpassword tool from within qmail. Very useful if you use dovecot
with several authdbs and you want to ask all at once. Checks user auth
on (hardcoded) dovecot auth socket.


(schmonz)

qmail checkpassword helper for dovecot auth socket. This can be used as
checkpassword tool from within qmail. Very useful if you use dovecot
with several authdbs and you want to ask all at once. Checks user auth
on (hardcoded) dovecot auth socket.

# $NetBSD: Makefile,v 1.1 2023/06/09 19:38:24 schmonz Exp $

DISTNAME=		${GITHUB_PROJECT}-${GITHUB_TAG}
PKGNAME=		${GITHUB_PROJECT}-0.0.20141125
CATEGORIES=		sysutils
MASTER_SITES=		${MASTER_SITE_GITHUB:=Securepoint/}
GITHUB_PROJECT=		qmail-dovecot-checkpassword
GITHUB_TAG=		9ff0341fa93d638c0249d0ae90fe20349ce9ab37

MAINTAINER=		schmonz@NetBSD.org
HOMEPAGE=		https://github.com/Securepoint/qmail-dovecot-checkpassword/
COMMENT=		DJB-style checkpassword for Dovecot auth socket
#LICENSE=		# TODO: (see mk/license.mk)

BUILD_DEFS+=		VARBASE

SUBST_CLASSES+=		paths
SUBST_STAGE.paths=	pre-configure
SUBST_FILES.paths=	checkpasswd.c
SUBST_VARS.paths=	VARBASE

.include "../../mk/bsd.pkg.mk"

@comment $NetBSD: PLIST,v 1.1 2023/06/09 19:38:24 schmonz Exp $
bin/checkpasswd-dovecot

$NetBSD: distinfo,v 1.1 2023/06/09 19:38:24 schmonz Exp $

BLAKE2s (qmail-dovecot-checkpassword-9ff0341fa93d638c0249d0ae90fe20349ce9ab37-9ff0341fa93d638c0249d0ae90fe20349ce9ab37.tar.gz) = 8b5e8c8be5cfdd4a67bf80977463eca886d511479a1a9335ffb6abe0977bf56a
SHA512 (qmail-dovecot-checkpassword-9ff0341fa93d638c0249d0ae90fe20349ce9ab37-9ff0341fa93d638c0249d0ae90fe20349ce9ab37.tar.gz) = e306110544700bacaff9c5934f81b2b0ad90e56a6e58f430e6acc3fa926d139cde78584afc677abca46bfa227338a8dab3d1fa141e3a5d3f0eb723bda33f6c73
Size (qmail-dovecot-checkpassword-9ff0341fa93d638c0249d0ae90fe20349ce9ab37-9ff0341fa93d638c0249d0ae90fe20349ce9ab37.tar.gz) = 2700 bytes
SHA1 (patch-Makefile) = f214c662912069083c34a760d84454383507ef50
SHA1 (patch-base64.c) = 1780bbf8767bc6caa4786be9ed7b9ef63b147e3d
SHA1 (patch-checkpasswd.c) = c67f5478cc499c9f55ba1759597eef13fd03f25a

$NetBSD: patch-Makefile,v 1.1 2023/06/09 19:38:24 schmonz Exp $

Allow overriding PREFIX.

--- Makefile.orig	2014-11-25 13:40:32.000000000 +0000
+++ Makefile
@@ -1,5 +1,5 @@
 DESTDIR =
-PREFIX = /usr/local
+PREFIX ?= /usr/local
 BINDIR = $(PREFIX)/bin
 
 INSTALL = install

$NetBSD: patch-base64.c,v 1.1 2023/06/09 19:38:24 schmonz Exp $

Squelch -Wdeprecated-non-prototype warnings.

--- base64.c.orig	2014-11-25 13:40:32.000000000 +0000
+++ base64.c
@@ -3,9 +3,7 @@
 char b64string[] =
   "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
-long base64_encode(to, from, len)
-     char *to, *from;
-     unsigned int len;
+long base64_encode(char *to, char *from, unsigned int len)
 {
   char *fromp = from;
   char *top = to;
@@ -60,9 +58,7 @@ long base64_encode(to, from, len)
 /* location of c or null into p.                  */
 #define badchar(c,p) (!(p = memchr(b64string, c, 64)))
 
-long base64_decode(to, from, len)
-     char *to, *from;
-     unsigned int len;
+long base64_decode(char *to, char *from, unsigned int len)
 {
   char *fromp = from;
   char *top = to;

$NetBSD: patch-checkpasswd.c,v 1.1 2023/06/09 19:38:24 schmonz Exp $

Find Dovecot socket in VARBASE.

--- checkpasswd.c.orig	2014-11-25 13:40:32.000000000 +0000
+++ checkpasswd.c
@@ -12,7 +12,7 @@
 #include "base64.h"
 
 #define BUFSIZE 513
-#define AUTHSOCKET "/var/run/dovecot/auth-client"
+#define AUTHSOCKET "@VARBASE@/run/dovecot/auth-client"
 
 int connect_sock(struct sockaddr_un *sock_addr)
 {