From 99bdd714228213b62a859456b53c064554caf865 Mon Sep 17 00:00:00 2001
From: gilles <gilles@openbsd.org>
Date: Wed, 30 Apr 2014 09:17:29 +0000
Subject: when using maildir, do not create automatically create folders to
 match tag in email address (ie: gilles+tag => ~/Maildir/.tag), instead use
 the folder if it already exists and deliver to the mail Maildir otherwise.

ok eric@ and chl@
---
 usr.sbin/smtpd/lka_session.c | 50 ++------------------------------------------
 1 file changed, 2 insertions(+), 48 deletions(-)

(limited to 'usr.sbin/smtpd/lka_session.c')

diff --git a/usr.sbin/smtpd/lka_session.c b/usr.sbin/smtpd/lka_session.c
index 8b738685100..d3ab19e01ba 100644
--- a/usr.sbin/smtpd/lka_session.c
+++ b/usr.sbin/smtpd/lka_session.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lka_session.c,v 1.66 2014/04/19 12:55:23 gilles Exp $	*/
+/*	$OpenBSD: lka_session.c,v 1.67 2014/04/30 09:17:29 gilles Exp $	*/
 
 /*
  * Copyright (c) 2011 Gilles Chehade <gilles@poolp.org>
@@ -40,8 +40,6 @@
 #include "smtpd.h"
 #include "log.h"
 
-#define TAG_CHAR	'+'	/* gilles+tag@ */
-
 #define	EXPAND_DEPTH	10
 
 #define	F_WAITING	0x01
@@ -70,7 +68,6 @@ static void lka_resume(struct lka_session *);
 static size_t lka_expand_format(char *, size_t, const struct envelope *,
     const struct userinfo *);
 static void mailaddr_to_username(const struct mailaddr *, char *, size_t);
-static int mailaddr_tag(const struct mailaddr *, char *, size_t);
 
 static int mod_lowercase(char *, size_t);
 static int mod_uppercase(char *, size_t);
@@ -85,8 +82,6 @@ struct modifiers {
 	{ "strip",	mod_strip },
 	{ "raw",	NULL },		/* special case, must stay last */
 };
-static const char	*unsafe = MAILADDR_ESCAPE;
-
 
 static int		init;
 static struct tree	sessions;
@@ -479,7 +474,6 @@ lka_submit(struct lka_session *lks, struct rule *rule, struct expandnode *xn)
 	struct envelope		*ep;
 	struct expandnode	*xn2;
 	int			 r;
-	char			 tag[EXPAND_BUFFER];
 
 	ep = xmemdup(&lks->envelope, sizeof *ep, "lka_submit");
 	ep->expire = rule->r_qexpire;
@@ -548,24 +542,6 @@ lka_submit(struct lka_session *lks, struct rule *rule, struct expandnode *xn)
 			ep->agent.mda.method = rule->r_action;
 			(void)strlcpy(ep->agent.mda.buffer, rule->r_value.buffer,
 			    sizeof ep->agent.mda.buffer);
-
-			memset(tag, 0, sizeof tag);
-			if (! mailaddr_tag(&ep->dest, tag, sizeof tag)) {
-				lks->error = LKA_PERMFAIL;
-				free(ep);
-				return;
-			}
-			if (rule->r_action == A_MAILDIR && tag[0]) {
-				(void)strlcat(ep->agent.mda.buffer, "/.",
-				    sizeof(ep->agent.mda.buffer));
-				if (strlcat(ep->agent.mda.buffer, tag,
-					sizeof(ep->agent.mda.buffer))
-				    >= sizeof(ep->agent.mda.buffer)) {
-					lks->error = LKA_TEMPFAIL;
-					free(ep);
-					return;
-				}
-			}
 		}
 		else
 			fatalx("lka_deliver: bad node type");
@@ -712,7 +688,7 @@ lka_expand_token(char *dest, size_t len, const char *token,
 	
 	if (! raw && replace)
 		for (i = 0; (size_t)i < strlen(tmp); ++i)
-			if (strchr(unsafe, tmp[i]))
+			if (strchr(MAILADDR_ESCAPE, tmp[i]))
 				tmp[i] = ':';
 
 	/* expanded string is empty */
@@ -849,28 +825,6 @@ mailaddr_to_username(const struct mailaddr *maddr, char *dst, size_t len)
 		*tag++ = '\0';
 }
 
-static int
-mailaddr_tag(const struct mailaddr *maddr, char *dest, size_t len)
-{
-	char		*tag;
-	char		*sanitized;
-
-	if ((tag = strchr(maddr->user, TAG_CHAR))) {
-		tag++;
-		while (*tag == '.')
-			tag++;
-	}
-	if (tag == NULL)
-		return 1;
-
-	if (strlcpy(dest, tag, len) >= len)
-		return 0;
-	for (sanitized = dest; *sanitized; sanitized++)
-		if (strchr(unsafe, *sanitized))
-			*sanitized = ':';
-	return 1;
-}
-
 static int 
 mod_lowercase(char *buf, size_t len)
 {
-- 
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