From 5d47a7101a2394c7f7bb288585464fa293a2ad33 Mon Sep 17 00:00:00 2001
From: manuel <manuel@mausz.at>
Date: Mon, 4 Feb 2013 02:48:34 +0100
Subject: [PATCH] maildir++ for qmail-local and qmail-pop3d

Patch to make qmail-local and qmail-pop3d compatible with the maildir++ quota
system that is used by vpopmail and courier-imap

qmail-maildir++
---
 maildirmisc.h | 145 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 maildirmisc.h

(limited to 'maildirmisc.h')

diff --git a/maildirmisc.h b/maildirmisc.h
new file mode 100644
index 0000000..86743bc
--- /dev/null
+++ b/maildirmisc.h
@@ -0,0 +1,145 @@
+#ifndef	maildirmisc_h
+#define	maildirmisc_h
+
+/*
+** Copyright 2000 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#if	HAVE_CONFIG_H
+#include	"config.h"
+#endif
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+static const char maildirmisc_h_rcsid[]="$Id: maildirmisc.h,v 1.8 2000/12/25 17:33:06 mrsam Exp $";
+
+/*
+**
+** Miscellaneous maildir-related code
+**
+*/
+
+/* Some special folders */
+
+#define	INBOX	"INBOX"
+#define	DRAFTS	"Drafts"
+#define	SENT	"Sent"
+#define	TRASH	"Trash"
+
+#define	SHAREDSUBDIR	"shared-folders"
+
+char *maildir_folderdir(const char *,		/* maildir */
+	const char *);				/* folder name */
+	/* Returns the directory corresponding to foldername (foldername is
+	** checked to make sure that it's a valid name, else we set errno
+	** to EINVAL, and return (0).
+	*/
+
+char *maildir_filename(const char *,		/* maildir */
+	const char *,				/* folder */
+	const char *);				/* filename */
+	/*
+	** Builds the filename to this message, suitable for opening.
+	** If the file doesn't appear to be there, search the maildir to
+	** see if someone changed the flags, and return the current filename.
+	*/
+
+int maildir_safeopen(const char *,		/* filename */
+	int,				/* mode */
+	int);				/* perm */
+
+/*
+**	Same arguments as open().  When we're accessing a shared maildir,
+**	prevent someone from playing cute and dumping a bunch of symlinks
+**	in there.  This function will open the indicate file only if the
+**	last component is not a symlink.
+**	This is implemented by opening the file with O_NONBLOCK (to prevent
+**	a DOS attack of someone pointing the symlink to a pipe, causing
+**	the open to hang), clearing O_NONBLOCK, then stat-int the file
+**	descriptor, lstating the filename, and making sure that dev/ino
+**	match.
+*/
+
+int maildir_semisafeopen(const char *,	/* filename */
+	int,				/* mode */
+	int);				/* perm */
+
+/*
+** Same thing, except that we allow ONE level of soft link indirection,
+** because we're reading from our own maildir, which points to the
+** message in the sharable maildir.
+*/
+
+int maildir_mkdir(const char *);	/* directory */
+/*
+** Create maildir including all subdirectories in the path (like mkdir -p)
+*/
+
+void maildir_purgetmp(const char *);		/* maildir */
+	/* purges old stuff out of tmp */
+
+void maildir_purge(const char *,		/* directory */
+	unsigned);				/* time_t to purge */
+
+void maildir_getnew(const char *,		/* maildir */
+	const char *);				/* folder */
+	/* move messages from new to cur */
+
+int maildir_deletefolder(const char *,		/* maildir */
+	const char *);				/* folder */
+	/* deletes a folder */
+
+int maildir_mddelete(const char *);	/* delete a maildir folder by path */
+
+void maildir_list_sharable(const char *,	/* maildir */
+	void (*)(const char *, void *),		/* callback function */
+	void *);				/* 2nd arg to callback func */
+	/* list sharable folders */
+
+int maildir_shared_subscribe(const char *,	/* maildir */
+		const char *);			/* folder */
+	/* subscribe to a shared folder */
+
+void maildir_list_shared(const char *,		/* maildir */
+	void (*)(const char *, void *),		/* callback function */
+	void *);			/* 2nd arg to the callback func */
+	/* list subscribed folders */
+
+int maildir_shared_unsubscribe(const char *,	/* maildir */
+		const char *);			/* folder */
+	/* unsubscribe from a shared folder */
+
+char *maildir_shareddir(const char *,		/* maildir */
+	const char *);				/* folder */
+	/*
+	** Validate and return a path to a shared folder.  folderdir must be
+	** a name of a valid shared folder.
+	*/
+
+void maildir_shared_sync(const char *);		/* maildir */
+	/* "sync" the shared folder */
+
+int maildir_sharedisro(const char *);		/* maildir */
+	/* maildir is a shared read-only folder */
+
+int maildir_unlinksharedmsg(const char *);	/* filename */
+	/* Remove a message from a shared folder */
+
+/* Internal function that reads a symlink */
+
+char *maildir_getlink(const char *);
+
+	/* Determine whether the maildir filename has a certain flag */
+
+int maildir_hasflag(const char *filename, char);
+
+#define	MAILDIR_DELETED(f)	maildir_hasflag((f), 'T')
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
-- 
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