Just a small change in the ‘README’ file.

Patches

.gitignore

@@ -40,3 +40,6 @@ m4/ltsugar.m4
 m4/ltversion.m4
 m4/lt~obsolete.m4
 autom4te.cache
+
+*.orig
+sources

Makefile

@@ -669,8 +669,6 @@ an ua:
 	$(TOOLS)/$@ "$(LN)" src/ansilib c-client
 	$(TOOLS)/$@ "$(LN)" src/charset c-client
 	$(TOOLS)/$@ "$(LN)" src/osdep/$(SYSTEM) c-client
-	cp -alf /usr/include/imap/* c-client/
-	#sleep 5
 	$(TOOLS)/$@ "$(LN)" src/mtest mtest
 	$(TOOLS)/$@ "$(LN)" src/ipopd ipopd
 	$(TOOLS)/$@ "$(LN)" src/imapd imapd

README.md

@@ -1 +1,176 @@
-# uw-imap
+## UW-IMAP 2007f – modernized build for current Linux systems
+
+This repository contains a maintained, buildable version of **UW-IMAP 2007f**
+adapted for modern Linux toolchains (glibc ≥ 2.36, GCC ≥ 11, OpenSSL ≥ 3).
+
+The original UW-IMAP source no longer builds cleanly on current distributions.
+This repository keeps the upstream code intact and applies a small, focused
+patchset to restore buildability without functional changes.
+
+---
+
+## Scope
+
+This repository provides:
+
+- Upstream UW-IMAP 2007f source
+- A minimal patchset for:
+  - `utime()` compatibility with modern glibc
+  - `scandir()` callback signature fixes
+  - Removal of deprecated `gets()`
+  - Missing standard header includes
+- A reproducible build process
+
+Not included:
+
+- Distribution packaging
+- PHP / PECL bindings
+- Kerberos support (disabled by default)
+
+---
+
+## Build dependencies (Debian 12 / 13)
+
+The following packages are required to build UW-IMAP 2007f:
+
+
+	apt install \
+	  build-essential \
+	  autoconf \
+	  automake \
+	  libtool \
+	  pkg-config \
+	  libssl-dev \
+	  libpam0g-dev \
+	  libc6-dev \
+	  libcrypt-dev \
+	  bison \
+	  flex
+
+## Notes
+
+   libc-client-dev is no longer available on modern Debian releases.
+   UW-IMAP must be built from source.
+
+   OpenSSL 3.x is supported via the included patchset.
+    Kerberos support is disabled (--without-kerberos).
+
+   Bundled tools (mtest, mlock, dmail, tmail) are built but optional.
+
+## Patches
+
+All local fixes are provided as a linear patch series:
+
+	patches/
+     0001-Fix-utime-usage-for-modern-glibc.patch
+     0002-Fix-scandir-callback-signatures.patch
+     0003-Replace-gets-with-fgets.patch
+     0004-Add-missing-headers-for-modern-toolchains.patch
+
+
+## Build
+
+Example build without Kerberos:
+
+	make lnp SSLTYPE=unix.nopwd
+
+
+
+# Original README: University of Washington IMAP toolkit
+This repository is a copy of the University of Washington IMAP toolkit _(imap-2007f.tar.gz/MD5:2126fd125ea26b73b20f01fcd5940369)_ which has become unavailable from the documented FTP and mirror sites. Posted here for both posterity and because a number of packages require the library and source/headers which may not always be suitable from the OS package manager.
+
+_In my case it was to compile PHP7 with IMAP support and utilizing an alternative (newer) OpenSSL version. It was very difficult to find trustworthy already-patched sources for this purpose._ This seems to be a common problem for many in the same situation.
+
+## imap tools and server, c-client/libc-client/uw-imap-devel
+The sources have been incrementally patched with the following from the Fedora Package Sources for uw-imap[[1]]. 
+See the [_patches_](supplemental/patches) directory in this repository for the contents.
+
+- 1006_openssl1.1_autoverify.patch
+- imap-2004a-doc.patch
+- imap-2007e-authmd5.patch
+- imap-2007e-overflow.patch
+- imap-2007e-poll.patch
+- imap-2007e-shared.patch
+- imap-2007e-system_c_client.patch
+- imap-2007f-format-security.patch
+- imap-2007f-ldflags.patch
+
+Additional information is available at https://www.washington.edu/imap/
+
+[1]: https://src.fedoraproject.org/rpms/uw-imap/tree/f29
+
+## ORIGINAL [README](./README)
+    /* ========================================================================
+     * Copyright 1988-2007 University of Washington
+     *
+     * Licensed under the Apache License, Version 2.0 (the "License");
+     * you may not use this file except in compliance with the License.
+     * You may obtain a copy of the License at
+     *
+     *     http://www.apache.org/licenses/LICENSE-2.0
+     *
+     * 
+     * ========================================================================
+     */
+
+                   IMAP Toolkit Environment
+                         4 April 2007
+                     Mark Crispin
+
+
+                    UNIX QUICK BUILD NOTES
+
+    These quick build notes assume that you have installed OpenSSL before
+    attempting to build this software, and that you do not have any non-default
+    configuration parameters.
+
+    If you need additional information in building this software with OpenSSL,
+    please refer to the docs/SSLBUILD file for more information.
+
+    If you intend to build this software with a non-default configuration
+    (including building a non-compliant server without SSL support), please
+    refer to the docs/BUILD file for more information.
+
+    1) Look in the top-level Makefile and find your system type code.  For example,
+       modern versions of Linux will use either "slx", "lnp", or one of the
+       lnp-variants (such as "lrh").
+
+    2) Type "make" followed by the system type, e.g. "make slx".
+
+    3) Install the POP2 daemon (ipopd/ipop2d), the POP3 daemon (ipopd/ipop3d), and
+       the IMAP daemon (imapd/imapd) on a system directory of your choosing.
+
+    4) Update /etc/services to register the pop2 service on TCP port 109, the
+       pop3 service on TCP port 110, and the imap service on TCP port 143.  Also
+       update Yellow Pages/NIS/NetInfo/etc. if appropriate on your system.
+
+    5) Update /etc/inetd.conf (or install files on /etc/xinetd.d) to invoke the
+       POP2, POP3, and IMAP daemons on their associated services.
+
+    6) If your system uses PAM authentication, be sure to set up /etc/pam.d/imap
+       (*not* /etc/pam.d/imapd) and /etc/pam.d/pop (*not* /etc/pam.d/ipop3d or
+       /etc/pam.d/pop3d or /etc/pam.d/popd or /etc/pam.d/pop3).
+
+    7) Unless you built your system without SSL support, you will need to set
+       up SSL server certificates as described in docs/SSLBUILD.
+
+    6) That's all!
+
+    Read the file docs/BUILD and docs/SSLBUILD if you need more detailed
+    information and/or you don't understand these quick build instructions.
+    
+                     MISCELLANEOUS NOTES
+
+         mtest has been run under UNIX, DOS, Windows, NT, Macintosh, TOPS-20, and
+    VMS.  It is a very primitive interface, however, and is suited mainly as a
+    model of how to write a main program for c-client.  You should take a look at
+    the source to figure out how to use it.  Briefly, it first asks for a mailbox
+    name (either a local file path or an IMAP mailbox in the form
+    "{hostname}mailbox") and then puts you in a command mode where "?" will give
+    you a list of commands.
+
+         Pine is available separately on the FTP.CAC.Washington.EDU archives.
+
+         The focus of development and support is for UNIX and Win32 (including
+    Windows 95/98/Millenium, Windows NT, and Windows 2000).  The other ports are
+    not frequently used or tested, and may be incomplete.

patches/0001-Fix-utime-usage-for-modern-glibc.patch

@@ -0,0 +1,364 @@
+From f7567c55126775c1c40ca77f77e7109de522c709 Mon Sep 17 00:00:00 2001
+From: Christoph <ckubu@oopen.de>
+Date: Sun, 14 Dec 2025 11:48:10 +0100
+Subject: [PATCH 1/5] Fix utime() usage for modern glibc
+
+---
+ src/osdep/unix/mbx.c    | 12 ++++++------
+ src/osdep/unix/mmdf.c   | 10 +++++-----
+ src/osdep/unix/mtx.c    | 16 ++++++++--------
+ src/osdep/unix/os_slx.h | 20 ++++++++++++++++++++
+ src/osdep/unix/tenex.c  | 16 ++++++++--------
+ src/osdep/unix/unix.c   | 11 ++++++-----
+ 6 files changed, 53 insertions(+), 32 deletions(-)
+
+diff --git a/src/osdep/unix/mbx.c b/src/osdep/unix/mbx.c
+index 1ece5d8..251ccfb 100644
+--- a/src/osdep/unix/mbx.c
++++ b/src/osdep/unix/mbx.c
+@@ -300,7 +300,7 @@ int mbx_isvalid (MAILSTREAM **stream,char *name,char *tmp,int *ld,char *lock,
+     if (sbuf.st_ctime > sbuf.st_atime) {
+       tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
+       tp[1] = sbuf.st_mtime;
+-      utime (tmp,tp);		/* set the times */
++      set_utime_from_tp (tmp,tp);		/* set the times */
+     }
+   }
+ 				/* in case INBOX but not mbx format */
+@@ -774,7 +774,7 @@ void mbx_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags)
+ 	 stream->user_flags[LOCAL->ffuserflag]) || (oldpid != LOCAL->lastpid))
+       mbx_update_header (stream);
+     tp[0] = time (0);		/* make sure read comes after all that */
+-    utime (stream->mailbox,tp);
++    set_utime_from_tp(stream->mailbox,tp);
+   }
+   if (LOCAL->ld >= 0) {		/* unlock now */
+     unlockfd (LOCAL->ld,LOCAL->lock);
+@@ -1073,7 +1073,7 @@ long mbx_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
+ 				/* else preserve \Marked status */
+   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
+   tp[1] = sbuf.st_mtime;	/* preserve mtime */
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp(file,tp);		/* set the times */
+   close (fd);			/* close the file */
+   MM_NOCRITICAL (stream);	/* release critical */
+   unlockfd (ld,lock);		/* release exclusive parse/append permission */
+@@ -1211,7 +1211,7 @@ long mbx_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
+ 				/* else preserve \Marked status */
+     else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
+     tp[1] = sbuf.st_mtime;	/* preserve mtime */
+-    utime (file,tp);		/* set the times */
++    set_utime_from_tp(file,tp);		/* set the times */
+     fclose (df);		/* close the file */
+     MM_NOCRITICAL (dstream);	/* release critical */
+   }
+@@ -1444,7 +1444,7 @@ long mbx_parse (MAILSTREAM *stream)
+     time_t tp[2];
+     tp[0] = time (0);
+     tp[1] = LOCAL->filetime;
+-    utime (stream->mailbox,tp);
++    set_utime_from_tp(stream->mailbox,tp);
+   }
+   stream->silent = silent;	/* can pass up events now */
+   mail_exists (stream,nmsgs);	/* notify upper level of new mailbox size */
+@@ -1812,7 +1812,7 @@ unsigned long mbx_rewrite (MAILSTREAM *stream,unsigned long *reclaimed,
+   fstat (LOCAL->fd,&sbuf);	/* get new write time */
+   tp[1] = LOCAL->filetime = sbuf.st_mtime;
+   tp[0] = time (0);		/* reset atime to now */
+-  utime (stream->mailbox,tp);
++  set_utime_from_tp(stream->mailbox,tp);
+   unlockfd (ld,lock);		/* release exclusive parse/append permission */
+ 				/* notify upper level of new mailbox size */
+   mail_exists (stream,stream->nmsgs);
+diff --git a/src/osdep/unix/mmdf.c b/src/osdep/unix/mmdf.c
+index e962434..968e306 100644
+--- a/src/osdep/unix/mmdf.c
++++ b/src/osdep/unix/mmdf.c
+@@ -379,7 +379,7 @@ long mmdf_isvalid (char *name,char *tmp)
+       if ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) {
+ 	tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
+ 	tp[1] = sbuf.st_mtime;
+-	utime (file,tp);	/* set the times */
++	set_utime_from_tp(file,tp);	/* set the times */
+       }
+     }
+   }
+@@ -1131,7 +1131,7 @@ long mmdf_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
+   else tp[0] =			/* else preserve \Marked status */
+ 	 ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) ?
+ 	 sbuf.st_atime : tp[1];
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp(file,tp);		/* set the times */
+   mmdf_unlock (fd,NIL,&lock);	/* unlock and close mailbox */
+   if (tstream) {		/* update last UID if we can */
+     MMDFLOCAL *local = (MMDFLOCAL *) tstream->local;
+@@ -1292,7 +1292,7 @@ long mmdf_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
+     ret = NIL;			/* return error */
+   }
+   else tp[0] = tp[1] - 1;	/* set atime to now-1 if successful copy */
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp(file,tp);		/* set the times */
+   fclose (sf);			/* done with scratch file */
+ 				/* force UIDVALIDITY assignment now */
+   if (tstream && !tstream->uid_validity) tstream->uid_validity = time (0);
+@@ -1550,7 +1550,7 @@ void mmdf_unlock (int fd,MAILSTREAM *stream,DOTLOCK *lock)
+     }
+     else now = 0;		/* no time change needed */
+ 				/* set the times, note change */
+-    if (now && !utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
++    if (now && !set_utime_from_tp(stream->mailbox,tp)) LOCAL->filetime = tp[1];
+   }
+   flock (fd,LOCK_UN);		/* release flock'ers */
+   if (!stream) close (fd);	/* close the file if no stream */
+@@ -2393,7 +2393,7 @@ long mmdf_rewrite (MAILSTREAM *stream,unsigned long *nexp,DOTLOCK *lock,
+ 				/* set atime to now, mtime a second earlier */
+     tp[1] = (tp[0] = time (0)) - 1;
+ 				/* set the times, note change */
+-    if (!utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
++    if (!set_utime_from_tp(stream->mailbox,tp)) LOCAL->filetime = tp[1];
+     close (LOCAL->fd);		/* close and reopen file */
+     if ((LOCAL->fd = open (stream->mailbox,O_RDWR,
+ 			   (long) mail_parameters (NIL,GET_MBXPROTECTION,NIL)))
+diff --git a/src/osdep/unix/mtx.c b/src/osdep/unix/mtx.c
+index 8e6f76e..b00cebf 100644
+--- a/src/osdep/unix/mtx.c
++++ b/src/osdep/unix/mtx.c
+@@ -196,7 +196,7 @@ int mtx_isvalid (char *name,char *tmp)
+       if (sbuf.st_ctime > sbuf.st_atime) {
+ 	tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
+ 	tp[1] = sbuf.st_mtime;
+-	utime (file,tp);	/* set the times */
++	set_utime_from_tp(file,tp);	/* set the times */
+       }
+     }
+   }
+@@ -565,7 +565,7 @@ void mtx_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags)
+     fstat (LOCAL->fd,&sbuf);	/* get current write time */
+     tp[1] = LOCAL->filetime = sbuf.st_mtime;
+     tp[0] = time (0);		/* make sure read comes after all that */
+-    utime (stream->mailbox,tp);
++    set_utime_from_tp(stream->mailbox,tp);
+   }
+ }
+ 
+@@ -834,7 +834,7 @@ long mtx_expunge (MAILSTREAM *stream,char *sequence,long options)
+       fstat (LOCAL->fd,&sbuf);	/* get new write time */
+       tp[1] = LOCAL->filetime = sbuf.st_mtime;
+       tp[0] = time (0);		/* reset atime to now */
+-      utime (stream->mailbox,tp);
++      set_utime_from_tp(stream->mailbox,tp);
+       MM_NOCRITICAL (stream);	/* release critical */
+ 				/* notify upper level of new mailbox size */
+       mail_exists (stream,stream->nmsgs);
+@@ -929,7 +929,7 @@ long mtx_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
+ 				/* else preserve \Marked status */
+   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
+   tp[1] = sbuf.st_mtime;	/* preserve mtime */
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp(file,tp);		/* set the times */
+   close (fd);			/* close the file */
+   unlockfd (ld,lock);		/* release exclusive parse/append permission */
+   MM_NOCRITICAL (stream);	/* release critical */
+@@ -946,7 +946,7 @@ long mtx_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
+       fstat (LOCAL->fd,&sbuf);	/* get current write time */
+       tp[1] = LOCAL->filetime = sbuf.st_mtime;
+       tp[0] = time (0);		/* make sure atime remains greater */
+-      utime (stream->mailbox,tp);
++      set_utime_from_tp(stream->mailbox,tp);
+     }
+   }
+   if (ret && mail_parameters (NIL,GET_COPYUID,NIL))
+@@ -1062,7 +1062,7 @@ long mtx_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
+ 				/* else preserve \Marked status */
+   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
+   tp[1] = sbuf.st_mtime;	/* preserve mtime */
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp(file,tp);		/* set the times */
+   fclose (df);			/* close the file */
+   unlockfd (ld,lock);		/* release exclusive parse/append permission */
+   MM_NOCRITICAL (stream);	/* release critical */
+@@ -1212,7 +1212,7 @@ long mtx_parse (MAILSTREAM *stream)
+     time_t tp[2];
+     tp[0] = time (0);
+     tp[1] = LOCAL->filetime;
+-    utime (stream->mailbox,tp);
++    set_utime_from_tp(stream->mailbox,tp);
+   }
+   stream->silent = silent;	/* can pass up events now */
+   mail_exists (stream,nmsgs);	/* notify upper level of new mailbox size */
+@@ -1312,7 +1312,7 @@ void mtx_update_status (MAILSTREAM *stream,unsigned long msgno,long syncflag)
+       fstat (LOCAL->fd,&sbuf);	/* get new write time */
+       tp[1] = LOCAL->filetime = sbuf.st_mtime;
+       tp[0] = time (0);		/* make sure read is later */
+-      utime (stream->mailbox,tp);
++      set_utime_from_tp(stream->mailbox,tp);
+     }
+   }
+ }
+diff --git a/src/osdep/unix/os_slx.h b/src/osdep/unix/os_slx.h
+index b5f39ff..a316317 100644
+--- a/src/osdep/unix/os_slx.h
++++ b/src/osdep/unix/os_slx.h
+@@ -50,6 +50,26 @@
+ #include <syslog.h>
+ #include <sys/file.h>
+ 
++#include <utime.h>
++
++static inline int set_utime_from_tp (const char *path, time_t *tp)
++{
++  struct utimbuf ub;
++  ub.actime  = tp[0];
++  ub.modtime = tp[1];
++  return utime (path, &ub);
++}
++
++#ifdef __cplusplus
++extern "C" {
++#endif
++
++int safe_flock (int fd, int operation);
++
++#ifdef __cplusplus
++}
++#endif
++
+ 
+ /* Linux gets this wrong */
+ 
+diff --git a/src/osdep/unix/tenex.c b/src/osdep/unix/tenex.c
+index eee61fb..fd03c23 100644
+--- a/src/osdep/unix/tenex.c
++++ b/src/osdep/unix/tenex.c
+@@ -203,7 +203,7 @@ int tenex_isvalid (char *name,char *tmp)
+       if (sbuf.st_ctime > sbuf.st_atime) {
+ 	tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
+ 	tp[1] = sbuf.st_mtime;
+-	utime (file,tp);	/* set the times */
++	set_utime_from_tp(file,tp);	/* set the times */
+       }
+     }
+   }
+@@ -654,7 +654,7 @@ void tenex_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags)
+     fstat (LOCAL->fd,&sbuf);	/* get current write time */
+     tp[1] = LOCAL->filetime = sbuf.st_mtime;
+     tp[0] = time (0);		/* make sure read comes after all that */
+-    utime (stream->mailbox,tp);
++    set_utime_from_tp(stream->mailbox,tp);
+   }
+ }
+ 
+@@ -924,7 +924,7 @@ long tenex_expunge (MAILSTREAM *stream,char *sequence,long options)
+       fstat (LOCAL->fd,&sbuf);	/* get new write time */
+       tp[1] = LOCAL->filetime = sbuf.st_mtime;
+       tp[0] = time (0);		/* reset atime to now */
+-      utime (stream->mailbox,tp);
++      set_utime_from_tp(stream->mailbox,tp);
+       MM_NOCRITICAL (stream);	/* release critical */
+ 				/* notify upper level of new mailbox size */
+       mail_exists (stream,stream->nmsgs);
+@@ -1019,7 +1019,7 @@ long tenex_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
+ 				/* else preserve \Marked status */
+   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
+   tp[1] = sbuf.st_mtime;	/* preserve mtime */
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp(file,tp);		/* set the times */
+   close (fd);			/* close the file */
+   unlockfd (ld,lock);		/* release exclusive parse/append permission */
+   MM_NOCRITICAL (stream);	/* release critical */
+@@ -1036,7 +1036,7 @@ long tenex_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
+       fstat (LOCAL->fd,&sbuf);	/* get current write time */
+       tp[1] = LOCAL->filetime = sbuf.st_mtime;
+       tp[0] = time (0);		/* make sure atime remains greater */
+-      utime (stream->mailbox,tp);
++      set_utime_from_tp(stream->mailbox,tp);
+     }
+   }
+   if (ret && mail_parameters (NIL,GET_COPYUID,NIL))
+@@ -1159,7 +1159,7 @@ long tenex_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
+ 				/* else preserve \Marked status */
+   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
+   tp[1] = sbuf.st_mtime;	/* preserve mtime */
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp(file,tp);		/* set the times */
+   fclose (df);			/* close the file */
+   unlockfd (ld,lock);		/* release exclusive parse/append permission */
+   MM_NOCRITICAL (stream);	/* release critical */
+@@ -1324,7 +1324,7 @@ long tenex_parse (MAILSTREAM *stream)
+     time_t tp[2];
+     tp[0] = time (0);
+     tp[1] = LOCAL->filetime;
+-    utime (stream->mailbox,tp);
++    set_utime_from_tp(stream->mailbox,tp);
+   }
+   stream->silent = silent;	/* can pass up events now */
+   mail_exists (stream,nmsgs);	/* notify upper level of new mailbox size */
+@@ -1424,7 +1424,7 @@ void tenex_update_status (MAILSTREAM *stream,unsigned long msgno,long syncflag)
+       fstat (LOCAL->fd,&sbuf);	/* get new write time */
+       tp[1] = LOCAL->filetime = sbuf.st_mtime;
+       tp[0] = time (0);		/* make sure read is later */
+-      utime (stream->mailbox,tp);
++      set_utime_from_tp(stream->mailbox,tp);
+     }
+   }
+ }
+diff --git a/src/osdep/unix/unix.c b/src/osdep/unix/unix.c
+index be3c437..58638d6 100644
+--- a/src/osdep/unix/unix.c
++++ b/src/osdep/unix/unix.c
+@@ -45,6 +45,7 @@ extern int errno;		/* just in case */
+ #include "mail.h"
+ #include "osdep.h"
+ #include <time.h>
++#include <utime.h>
+ #include <sys/stat.h>
+ #include "unix.h"
+ #include "pseudo.h"
+@@ -228,7 +229,7 @@ DRIVER *unix_valid (char *name)
+       if ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) {
+ 	tp[0] = sbuf.st_atime;	/* yes, preserve atime and mtime */
+ 	tp[1] = sbuf.st_mtime;
+-	utime (file,tp);	/* set the times */
++	set_utime_from_tp (file,tp);	/* set the times */
+       }
+     }
+   }
+@@ -995,7 +996,7 @@ long unix_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
+   else tp[0] =			/* else preserve \Marked status */
+ 	 ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) ?
+ 	 sbuf.st_atime : tp[1];
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp (file,tp);		/* set the times */
+   unix_unlock (fd,NIL,&lock);	/* unlock and close mailbox */
+   if (tstream) {		/* update last UID if we can */
+     UNIXLOCAL *local = (UNIXLOCAL *) tstream->local;
+@@ -1156,7 +1157,7 @@ long unix_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
+     ret = NIL;			/* return error */
+   }
+   else tp[0] = tp[1] - 1;	/* set atime to now-1 if successful copy */
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp (file,tp);		/* set the times */
+   fclose (sf);			/* done with scratch file */
+ 				/* force UIDVALIDITY assignment now */
+   if (tstream && !tstream->uid_validity) tstream->uid_validity = time (0);
+@@ -1421,7 +1422,7 @@ void unix_unlock (int fd,MAILSTREAM *stream,DOTLOCK *lock)
+     }
+     else now = 0;		/* no time change needed */
+ 				/* set the times, note change */
+-    if (now && !utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
++    if (now && !set_utime_from_tp (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+   }
+   flock (fd,LOCK_UN);		/* release flock'ers */
+   if (!stream) close (fd);	/* close the file if no stream */
+@@ -2247,7 +2248,7 @@ long unix_rewrite (MAILSTREAM *stream,unsigned long *nexp,DOTLOCK *lock,
+ 				/* set atime to now, mtime a second earlier */
+     tp[1] = (tp[0] = time (0)) - 1;
+ 				/* set the times, note change */
+-    if (!utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
++    if (!set_utime_from_tp (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+     close (LOCAL->fd);		/* close and reopen file */
+     if ((LOCAL->fd = open (stream->mailbox,O_RDWR,
+ 			   (long) mail_parameters (NIL,GET_MBXPROTECTION,NIL)))
+-- 
+2.47.3
+

patches/0002-Fix-scandir-callback-signatures.patch

@@ -0,0 +1,204 @@
+From a67eeb9fd268efc3f13db05810880d2249e6ccce Mon Sep 17 00:00:00 2001
+From: Christoph <ckubu@oopen.de>
+Date: Sun, 14 Dec 2025 11:48:35 +0100
+Subject: [PATCH 2/5] Fix scandir() callback signatures
+
+---
+ src/osdep/unix/mh.c   | 12 +++++++-----
+ src/osdep/unix/mix.c  | 21 +++++++++++----------
+ src/osdep/unix/mx.c   | 13 ++++++-------
+ src/osdep/unix/news.c | 14 ++++++++++----
+ 4 files changed, 34 insertions(+), 26 deletions(-)
+
+diff --git a/src/osdep/unix/mh.c b/src/osdep/unix/mh.c
+index 0226b7a..2f43774 100644
+--- a/src/osdep/unix/mh.c
++++ b/src/osdep/unix/mh.c
+@@ -103,8 +103,10 @@ long mh_copy (MAILSTREAM *stream,char *sequence,char *mailbox,
+ 	      long options);
+ long mh_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
+ 
+-int mh_select (struct direct *name);
+-int mh_numsort (const void *d1,const void *d2);
++#include <dirent.h>
++
++int mh_select (const struct dirent *name);
++int mh_numsort (const struct dirent **d1, const struct dirent **d2);
+ char *mh_file (char *dst,char *name);
+ long mh_canonicalize (char *pattern,char *ref,char *pat);
+ void mh_setdate (char *file,MESSAGECACHE *elt);
+@@ -1194,7 +1196,7 @@ long mh_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
+  * Returns: T to use file name, NIL to skip it
+  */
+ 
+-int mh_select (struct direct *name)
++int mh_select (const struct dirent *name)
+ {
+   char c;
+   char *s = name->d_name;
+@@ -1209,7 +1211,7 @@ int mh_select (struct direct *name)
+  * Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
+  */
+ 
+-int mh_numsort (const void *d1,const void *d2)
++int mh_numsort (const struct dirent **d1, const struct dirent **d2)
+ {
+   return atoi ((*(struct direct **) d1)->d_name) -
+     atoi ((*(struct direct **) d2)->d_name);
+@@ -1279,5 +1281,5 @@ void mh_setdate (char *file,MESSAGECACHE *elt)
+   time_t tp[2];
+   tp[0] = time (0);		/* atime is now */
+   tp[1] = mail_longdate (elt);	/* modification time */
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp(file,tp);		/* set the times */
+ }
+diff --git a/src/osdep/unix/mix.c b/src/osdep/unix/mix.c
+index fbf4a02..546ac99 100644
+--- a/src/osdep/unix/mix.c
++++ b/src/osdep/unix/mix.c
+@@ -125,7 +125,7 @@ long mix_unsubscribe (MAILSTREAM *stream,char *mailbox);
+ long mix_create (MAILSTREAM *stream,char *mailbox);
+ long mix_delete (MAILSTREAM *stream,char *mailbox);
+ long mix_rename (MAILSTREAM *stream,char *old,char *newname);
+-int mix_rselect (struct direct *name);
++int mix_rselect (const struct dirent *name);
+ MAILSTREAM *mix_open (MAILSTREAM *stream);
+ void mix_close (MAILSTREAM *stream,long options);
+ void mix_abort (MAILSTREAM *stream);
+@@ -140,8 +140,8 @@ THREADNODE *mix_thread (MAILSTREAM *stream,char *type,char *charset,
+ long mix_ping (MAILSTREAM *stream);
+ void mix_check (MAILSTREAM *stream);
+ long mix_expunge (MAILSTREAM *stream,char *sequence,long options);
+-int mix_select (struct direct *name);
+-int mix_msgfsort (const void *d1,const void *d2);
++int mix_select (const struct dirent *name);
++int mix_msgfsort (const struct dirent **d1, const struct dirent **d2);
+ long mix_addset (SEARCHSET **set,unsigned long start,unsigned long size);
+ long mix_burp (MAILSTREAM *stream,MIXBURP *burp,unsigned long *reclaimed);
+ long mix_burp_check (SEARCHSET *set,size_t size,char *file);
+@@ -587,7 +587,7 @@ long mix_rename (MAILSTREAM *stream,char *old,char *newname)
+  * Returns: T if mix file name, NIL otherwise
+  */
+ 
+-int mix_rselect (struct direct *name)
++int mix_rselect (const struct dirent *name)
+ {
+   return mix_dirfmttest (name->d_name);
+ }
+@@ -1146,7 +1146,7 @@ long mix_expunge (MAILSTREAM *stream,char *sequence,long options)
+  * ".mix" with no suffix was used by experimental versions
+  */
+ 
+-int mix_select (struct direct *name)
++int mix_select (const struct dirent *name)
+ {
+   char c,*s;
+ 				/* make sure name has prefix */
+@@ -1165,15 +1165,16 @@ int mix_select (struct direct *name)
+  * Returns: -1 if d1 < d2, 0 if d1 == d2, 1 d1 > d2
+  */
+ 
+-int mix_msgfsort (const void *d1,const void *d2)
++int mix_msgfsort (const struct dirent **d1, const struct dirent **d2)
+ {
+-  char *n1 = (*(struct direct **) d1)->d_name + sizeof (MIXNAME) - 1;
+-  char *n2 = (*(struct direct **) d2)->d_name + sizeof (MIXNAME) - 1;
+-  return compare_ulong (*n1 ? strtoul (n1,NIL,16) : 0,
+-			*n2 ? strtoul (n2,NIL,16) : 0);
++  const char *n1 = (*d1)->d_name + sizeof (MIXNAME) - 1;
++  const char *n2 = (*d2)->d_name + sizeof (MIXNAME) - 1;
++  return compare_ulong (*n1 ? strtoul (n1, NIL, 16) : 0,
++                        *n2 ? strtoul (n2, NIL, 16) : 0);
+ }
+ 
+ 
++
+ /* MIX add a range to a set
+  * Accepts: pointer to set to add
+  *	    start of set
+diff --git a/src/osdep/unix/mx.c b/src/osdep/unix/mx.c
+index 4549527..943f7da 100644
+--- a/src/osdep/unix/mx.c
++++ b/src/osdep/unix/mx.c
+@@ -98,8 +98,8 @@ long mx_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
+ long mx_append_msg (MAILSTREAM *stream,char *flags,MESSAGECACHE *elt,
+ 		    STRING *st,SEARCHSET *set);
+ 
+-int mx_select (struct direct *name);
+-int mx_numsort (const void *d1,const void *d2);
++int mx_select (const struct dirent *name);
++int mx_numsort (const struct dirent **d1, const struct dirent **d2);
+ char *mx_file (char *dst,char *name);
+ long mx_lockindex (MAILSTREAM *stream);
+ void mx_unlockindex (MAILSTREAM *stream);
+@@ -1110,7 +1110,7 @@ long mx_append_msg (MAILSTREAM *stream,char *flags,MESSAGECACHE *elt,
+  * Returns: T to use file name, NIL to skip it
+  */
+ 
+-int mx_select (struct direct *name)
++int mx_select (const struct dirent *name)
+ {
+   char c;
+   char *s = name->d_name;
+@@ -1125,10 +1125,9 @@ int mx_select (struct direct *name)
+  * Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
+  */
+ 
+-int mx_numsort (const void *d1,const void *d2)
++int mx_numsort (const struct dirent **d1, const struct dirent **d2)
+ {
+-  return atoi ((*(struct direct **) d1)->d_name) -
+-    atoi ((*(struct direct **) d2)->d_name);
++  return atoi ((*d1)->d_name) - atoi ((*d2)->d_name);
+ }
+ 
+ 
+@@ -1283,5 +1282,5 @@ void mx_setdate (char *file,MESSAGECACHE *elt)
+   time_t tp[2];
+   tp[0] = time (0);		/* atime is now */
+   tp[1] = mail_longdate (elt);	/* modification time */
+-  utime (file,tp);		/* set the times */
++  set_utime_from_tp(file,tp);		/* set the times */
+ }
+diff --git a/src/osdep/unix/news.c b/src/osdep/unix/news.c
+index 4cf5bb7..e0dbb52 100644
+--- a/src/osdep/unix/news.c
++++ b/src/osdep/unix/news.c
+@@ -76,8 +76,12 @@ long news_create (MAILSTREAM *stream,char *mailbox);
+ long news_delete (MAILSTREAM *stream,char *mailbox);
+ long news_rename (MAILSTREAM *stream,char *old,char *newname);
+ MAILSTREAM *news_open (MAILSTREAM *stream);
+-int news_select (struct direct *name);
+-int news_numsort (const void *d1,const void *d2);
++
++#include <dirent.h>   /* falls nicht schon drin */
++
++int news_select (const struct dirent *name);
++int news_numsort (const struct dirent **d1, const struct dirent **d2);
++
+ void news_close (MAILSTREAM *stream,long options);
+ void news_fast (MAILSTREAM *stream,char *sequence,long flags);
+ void news_flags (MAILSTREAM *stream,char *sequence,long flags);
+@@ -402,7 +406,8 @@ MAILSTREAM *news_open (MAILSTREAM *stream)
+  * Returns: T to use file name, NIL to skip it
+  */
+ 
+-int news_select (struct direct *name)
++int news_select (const struct dirent *name)
++
+ {
+   char c;
+   char *s = name->d_name;
+@@ -417,7 +422,8 @@ int news_select (struct direct *name)
+  * Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
+  */
+ 
+-int news_numsort (const void *d1,const void *d2)
++int news_numsort (const struct dirent **d1, const struct dirent **d2)
++
+ {
+   return atoi ((*(struct direct **) d1)->d_name) -
+     atoi ((*(struct direct **) d2)->d_name);
+-- 
+2.47.3
+

patches/0003-Replace-gets-with-fgets.patch

@@ -0,0 +1,44 @@
+From 789c2d97f672fd25cb0f5495892f13eda9fef440 Mon Sep 17 00:00:00 2001
+From: Christoph <ckubu@oopen.de>
+Date: Sun, 14 Dec 2025 11:49:00 +0100
+Subject: [PATCH 3/5] Replace gets() with fgets()
+
+---
+ src/mtest/mtest.c | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/src/mtest/mtest.c b/src/mtest/mtest.c
+index 69af568..c15a853 100644
+--- a/src/mtest/mtest.c
++++ b/src/mtest/mtest.c
+@@ -38,6 +38,7 @@
+ #include <signal.h>
+ #include "c-client.h"
+ #include "imap4r1.h"
++#include <string.h>
+ 
+ /* Excellent reasons to hate ifdefs, and why my real code never uses them */
+ 
+@@ -595,7 +596,8 @@ void status (MAILSTREAM *stream)
+ void prompt (char *msg,char *txt)
+ {
+   printf ("%s",msg);
+-  gets (txt);
++  if (!fgets (txt, sizeof (txt), stdin)) txt[0] = '\0';
++  txt[strcspn (txt, "\r\n")] = '\0';
+ }
+ 
+ /* Interfaces to C-client */
+@@ -779,7 +781,8 @@ void smtptest (long debug)
+   puts (" Msg (end with a line with only a '.'):");
+   body->type = TYPETEXT;
+   *text = '\0';
+-  while (gets (line)) {
++  while (fgets (line, sizeof (line), stdin)) {
++    line[strcspn (line, "\r\n")] = '\0';
+     if (line[0] == '.') {
+       if (line[1] == '\0') break;
+       else strcat (text,".");
+-- 
+2.47.3
+

patches/0004-Add-missing-headers-for-modern-toolchains.patch

@@ -0,0 +1,51 @@
+From 8f89723b4f32c3ce70dbb3f99f1c176e4492692d Mon Sep 17 00:00:00 2001
+From: Christoph <ckubu@oopen.de>
+Date: Sun, 14 Dec 2025 11:49:29 +0100
+Subject: [PATCH 4/5] Add missing headers for modern toolchains
+
+---
+ src/dmail/dmail.c | 1 +
+ src/mlock/mlock.c | 2 ++
+ src/tmail/tmail.c | 1 +
+ 3 files changed, 4 insertions(+)
+
+diff --git a/src/dmail/dmail.c b/src/dmail/dmail.c
+index f78b957..b569c16 100644
+--- a/src/dmail/dmail.c
++++ b/src/dmail/dmail.c
+@@ -35,6 +35,7 @@ extern int errno;		/* just in case */
+ #include <sys/stat.h>
+ #include "c-client.h"
+ #include "dquota.h"
++#include <ctype.h>
+ 
+ 
+ /* Globals */
+diff --git a/src/mlock/mlock.c b/src/mlock/mlock.c
+index 1dca40e..95f3729 100644
+--- a/src/mlock/mlock.c
++++ b/src/mlock/mlock.c
+@@ -40,6 +40,8 @@
+ #include <netdb.h>
+ #include <ctype.h>
+ #include <string.h>
++#include <unistd.h>   /* write, read, close, link, unlink, chdir, sleep, getpid, gethostname */
++#include <time.h>     /* time */
+ 
+ #define LOCKTIMEOUT 5		/* lock timeout in minutes */
+ #define LOCKPROTECTION 0664
+diff --git a/src/tmail/tmail.c b/src/tmail/tmail.c
+index ed5fc58..95ecbd2 100644
+--- a/src/tmail/tmail.c
++++ b/src/tmail/tmail.c
+@@ -35,6 +35,7 @@ extern int errno;		/* just in case */
+ #include <sys/stat.h>
+ #include "c-client.h"
+ #include "tquota.h"
++#include <ctype.h>
+ 
+ 
+ /* Globals */
+-- 
+2.47.3
+

patches/0005-Add-documented-patch-series-and-build-instructions.patch

@@ -0,0 +1,795 @@
+From 9a972c418aa23c5081b80160d2f2cebf4fb617b6 Mon Sep 17 00:00:00 2001
+From: Christoph <ckubu@oopen.de>
+Date: Sun, 14 Dec 2025 13:20:03 +0100
+Subject: [PATCH 5/5] Add documented patch series and build instructions
+
+---
+ README.md                                     |  80 +++-
+ ...001-Fix-utime-usage-for-modern-glibc.patch | 364 ++++++++++++++++++
+ ...0002-Fix-scandir-callback-signatures.patch | 204 ++++++++++
+ patches/0003-Replace-gets-with-fgets.patch    |  44 +++
+ ...issing-headers-for-modern-toolchains.patch |  51 +++
+ 5 files changed, 742 insertions(+), 1 deletion(-)
+ create mode 100644 patches/0001-Fix-utime-usage-for-modern-glibc.patch
+ create mode 100644 patches/0002-Fix-scandir-callback-signatures.patch
+ create mode 100644 patches/0003-Replace-gets-with-fgets.patch
+ create mode 100644 patches/0004-Add-missing-headers-for-modern-toolchains.patch
+
+diff --git a/README.md b/README.md
+index 8a75f5e..8c97985 100644
+--- a/README.md
++++ b/README.md
+@@ -1,4 +1,82 @@
+-# University of Washington IMAP toolkit
++## UW-IMAP 2007f – modernized build for current Linux systems
++
++This repository contains a maintained, buildable version of **UW-IMAP 2007f**
++adapted for modern Linux toolchains (glibc ≥ 2.36, GCC ≥ 11, OpenSSL ≥ 3).
++
++The original UW-IMAP source no longer builds cleanly on current distributions.
++This repository keeps the upstream code intact and applies a small, focused
++patchset to restore buildability without functional changes.
++
++---
++
++## Scope
++
++This repository provides:
++
++- Upstream UW-IMAP 2007f source
++- A minimal patchset for:
++  - `utime()` compatibility with modern glibc
++  - `scandir()` callback signature fixes
++  - Removal of deprecated `gets()`
++  - Missing standard header includes
++- A reproducible build process
++
++Not included:
++
++- Distribution packaging
++- PHP / PECL bindings
++- Kerberos support (disabled by default)
++
++---
++
++## Build dependencies (Debian 12 / 13)
++
++The following packages are required to build UW-IMAP 2007f:
++
++
++	apt install \
++	  build-essential \
++	  autoconf \
++	  automake \
++	  libtool \
++	  pkg-config \
++	  libssl-dev \
++	  libpam0g-dev \
++	  libc6-dev \
++	  libcrypt-dev \
++	  bison \
++	  flex
++
++## Notes
++
++   libc-client-dev is no longer available on modern Debian releases.
++   UW-IMAP must be built from source.
++
++   OpenSSL 3.x is supported via the included patchset.
++    Kerberos support is disabled (--without-kerberos).
++
++   Bundled tools (mtest, mlock, dmail, tmail) are built but optional.
++
++## Patches
++
++All local fixes are provided as a linear patch series:
++
++	patches/
++     0001-Fix-utime-usage-for-modern-glibc.patch
++     0002-Fix-scandir-callback-signatures.patch
++     0003-Replace-gets-with-fgets.patch
++     0004     -Add-missing-headers-for-modern-toolchains.patch
++  `
++
++## Build
++
++Example build without Kerberos:
++
++	make lnp SSLTYPE=unix.nopwd
++
++
++
++# Original README: University of Washington IMAP toolkit
+ This repository is a copy of the University of Washington IMAP toolkit _(imap-2007f.tar.gz/MD5:2126fd125ea26b73b20f01fcd5940369)_ which has become unavailable from the documented FTP and mirror sites. Posted here for both posterity and because a number of packages require the library and source/headers which may not always be suitable from the OS package manager.
+ 
+ _In my case it was to compile PHP7 with IMAP support and utilizing an alternative (newer) OpenSSL version. It was very difficult to find trustworthy already-patched sources for this purpose._ This seems to be a common problem for many in the same situation.
+diff --git a/patches/0001-Fix-utime-usage-for-modern-glibc.patch b/patches/0001-Fix-utime-usage-for-modern-glibc.patch
+new file mode 100644
+index 0000000..a6e7825
+--- /dev/null
++++ b/patches/0001-Fix-utime-usage-for-modern-glibc.patch
+@@ -0,0 +1,364 @@
++From f7567c55126775c1c40ca77f77e7109de522c709 Mon Sep 17 00:00:00 2001
++From: Christoph <ckubu@oopen.de>
++Date: Sun, 14 Dec 2025 11:48:10 +0100
++Subject: [PATCH 1/4] Fix utime() usage for modern glibc
++
++---
++ src/osdep/unix/mbx.c    | 12 ++++++------
++ src/osdep/unix/mmdf.c   | 10 +++++-----
++ src/osdep/unix/mtx.c    | 16 ++++++++--------
++ src/osdep/unix/os_slx.h | 20 ++++++++++++++++++++
++ src/osdep/unix/tenex.c  | 16 ++++++++--------
++ src/osdep/unix/unix.c   | 11 ++++++-----
++ 6 files changed, 53 insertions(+), 32 deletions(-)
++
++diff --git a/src/osdep/unix/mbx.c b/src/osdep/unix/mbx.c
++index 1ece5d8..251ccfb 100644
++--- a/src/osdep/unix/mbx.c
+++++ b/src/osdep/unix/mbx.c
++@@ -300,7 +300,7 @@ int mbx_isvalid (MAILSTREAM **stream,char *name,char *tmp,int *ld,char *lock,
++     if (sbuf.st_ctime > sbuf.st_atime) {
++       tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
++       tp[1] = sbuf.st_mtime;
++-      utime (tmp,tp);		/* set the times */
+++      set_utime_from_tp (tmp,tp);		/* set the times */
++     }
++   }
++ 				/* in case INBOX but not mbx format */
++@@ -774,7 +774,7 @@ void mbx_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags)
++ 	 stream->user_flags[LOCAL->ffuserflag]) || (oldpid != LOCAL->lastpid))
++       mbx_update_header (stream);
++     tp[0] = time (0);		/* make sure read comes after all that */
++-    utime (stream->mailbox,tp);
+++    set_utime_from_tp(stream->mailbox,tp);
++   }
++   if (LOCAL->ld >= 0) {		/* unlock now */
++     unlockfd (LOCAL->ld,LOCAL->lock);
++@@ -1073,7 +1073,7 @@ long mbx_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
++ 				/* else preserve \Marked status */
++   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
++   tp[1] = sbuf.st_mtime;	/* preserve mtime */
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp(file,tp);		/* set the times */
++   close (fd);			/* close the file */
++   MM_NOCRITICAL (stream);	/* release critical */
++   unlockfd (ld,lock);		/* release exclusive parse/append permission */
++@@ -1211,7 +1211,7 @@ long mbx_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
++ 				/* else preserve \Marked status */
++     else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
++     tp[1] = sbuf.st_mtime;	/* preserve mtime */
++-    utime (file,tp);		/* set the times */
+++    set_utime_from_tp(file,tp);		/* set the times */
++     fclose (df);		/* close the file */
++     MM_NOCRITICAL (dstream);	/* release critical */
++   }
++@@ -1444,7 +1444,7 @@ long mbx_parse (MAILSTREAM *stream)
++     time_t tp[2];
++     tp[0] = time (0);
++     tp[1] = LOCAL->filetime;
++-    utime (stream->mailbox,tp);
+++    set_utime_from_tp(stream->mailbox,tp);
++   }
++   stream->silent = silent;	/* can pass up events now */
++   mail_exists (stream,nmsgs);	/* notify upper level of new mailbox size */
++@@ -1812,7 +1812,7 @@ unsigned long mbx_rewrite (MAILSTREAM *stream,unsigned long *reclaimed,
++   fstat (LOCAL->fd,&sbuf);	/* get new write time */
++   tp[1] = LOCAL->filetime = sbuf.st_mtime;
++   tp[0] = time (0);		/* reset atime to now */
++-  utime (stream->mailbox,tp);
+++  set_utime_from_tp(stream->mailbox,tp);
++   unlockfd (ld,lock);		/* release exclusive parse/append permission */
++ 				/* notify upper level of new mailbox size */
++   mail_exists (stream,stream->nmsgs);
++diff --git a/src/osdep/unix/mmdf.c b/src/osdep/unix/mmdf.c
++index e962434..968e306 100644
++--- a/src/osdep/unix/mmdf.c
+++++ b/src/osdep/unix/mmdf.c
++@@ -379,7 +379,7 @@ long mmdf_isvalid (char *name,char *tmp)
++       if ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) {
++ 	tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
++ 	tp[1] = sbuf.st_mtime;
++-	utime (file,tp);	/* set the times */
+++	set_utime_from_tp(file,tp);	/* set the times */
++       }
++     }
++   }
++@@ -1131,7 +1131,7 @@ long mmdf_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
++   else tp[0] =			/* else preserve \Marked status */
++ 	 ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) ?
++ 	 sbuf.st_atime : tp[1];
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp(file,tp);		/* set the times */
++   mmdf_unlock (fd,NIL,&lock);	/* unlock and close mailbox */
++   if (tstream) {		/* update last UID if we can */
++     MMDFLOCAL *local = (MMDFLOCAL *) tstream->local;
++@@ -1292,7 +1292,7 @@ long mmdf_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
++     ret = NIL;			/* return error */
++   }
++   else tp[0] = tp[1] - 1;	/* set atime to now-1 if successful copy */
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp(file,tp);		/* set the times */
++   fclose (sf);			/* done with scratch file */
++ 				/* force UIDVALIDITY assignment now */
++   if (tstream && !tstream->uid_validity) tstream->uid_validity = time (0);
++@@ -1550,7 +1550,7 @@ void mmdf_unlock (int fd,MAILSTREAM *stream,DOTLOCK *lock)
++     }
++     else now = 0;		/* no time change needed */
++ 				/* set the times, note change */
++-    if (now && !utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+++    if (now && !set_utime_from_tp(stream->mailbox,tp)) LOCAL->filetime = tp[1];
++   }
++   flock (fd,LOCK_UN);		/* release flock'ers */
++   if (!stream) close (fd);	/* close the file if no stream */
++@@ -2393,7 +2393,7 @@ long mmdf_rewrite (MAILSTREAM *stream,unsigned long *nexp,DOTLOCK *lock,
++ 				/* set atime to now, mtime a second earlier */
++     tp[1] = (tp[0] = time (0)) - 1;
++ 				/* set the times, note change */
++-    if (!utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+++    if (!set_utime_from_tp(stream->mailbox,tp)) LOCAL->filetime = tp[1];
++     close (LOCAL->fd);		/* close and reopen file */
++     if ((LOCAL->fd = open (stream->mailbox,O_RDWR,
++ 			   (long) mail_parameters (NIL,GET_MBXPROTECTION,NIL)))
++diff --git a/src/osdep/unix/mtx.c b/src/osdep/unix/mtx.c
++index 8e6f76e..b00cebf 100644
++--- a/src/osdep/unix/mtx.c
+++++ b/src/osdep/unix/mtx.c
++@@ -196,7 +196,7 @@ int mtx_isvalid (char *name,char *tmp)
++       if (sbuf.st_ctime > sbuf.st_atime) {
++ 	tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
++ 	tp[1] = sbuf.st_mtime;
++-	utime (file,tp);	/* set the times */
+++	set_utime_from_tp(file,tp);	/* set the times */
++       }
++     }
++   }
++@@ -565,7 +565,7 @@ void mtx_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags)
++     fstat (LOCAL->fd,&sbuf);	/* get current write time */
++     tp[1] = LOCAL->filetime = sbuf.st_mtime;
++     tp[0] = time (0);		/* make sure read comes after all that */
++-    utime (stream->mailbox,tp);
+++    set_utime_from_tp(stream->mailbox,tp);
++   }
++ }
++ 
++@@ -834,7 +834,7 @@ long mtx_expunge (MAILSTREAM *stream,char *sequence,long options)
++       fstat (LOCAL->fd,&sbuf);	/* get new write time */
++       tp[1] = LOCAL->filetime = sbuf.st_mtime;
++       tp[0] = time (0);		/* reset atime to now */
++-      utime (stream->mailbox,tp);
+++      set_utime_from_tp(stream->mailbox,tp);
++       MM_NOCRITICAL (stream);	/* release critical */
++ 				/* notify upper level of new mailbox size */
++       mail_exists (stream,stream->nmsgs);
++@@ -929,7 +929,7 @@ long mtx_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
++ 				/* else preserve \Marked status */
++   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
++   tp[1] = sbuf.st_mtime;	/* preserve mtime */
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp(file,tp);		/* set the times */
++   close (fd);			/* close the file */
++   unlockfd (ld,lock);		/* release exclusive parse/append permission */
++   MM_NOCRITICAL (stream);	/* release critical */
++@@ -946,7 +946,7 @@ long mtx_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
++       fstat (LOCAL->fd,&sbuf);	/* get current write time */
++       tp[1] = LOCAL->filetime = sbuf.st_mtime;
++       tp[0] = time (0);		/* make sure atime remains greater */
++-      utime (stream->mailbox,tp);
+++      set_utime_from_tp(stream->mailbox,tp);
++     }
++   }
++   if (ret && mail_parameters (NIL,GET_COPYUID,NIL))
++@@ -1062,7 +1062,7 @@ long mtx_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
++ 				/* else preserve \Marked status */
++   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
++   tp[1] = sbuf.st_mtime;	/* preserve mtime */
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp(file,tp);		/* set the times */
++   fclose (df);			/* close the file */
++   unlockfd (ld,lock);		/* release exclusive parse/append permission */
++   MM_NOCRITICAL (stream);	/* release critical */
++@@ -1212,7 +1212,7 @@ long mtx_parse (MAILSTREAM *stream)
++     time_t tp[2];
++     tp[0] = time (0);
++     tp[1] = LOCAL->filetime;
++-    utime (stream->mailbox,tp);
+++    set_utime_from_tp(stream->mailbox,tp);
++   }
++   stream->silent = silent;	/* can pass up events now */
++   mail_exists (stream,nmsgs);	/* notify upper level of new mailbox size */
++@@ -1312,7 +1312,7 @@ void mtx_update_status (MAILSTREAM *stream,unsigned long msgno,long syncflag)
++       fstat (LOCAL->fd,&sbuf);	/* get new write time */
++       tp[1] = LOCAL->filetime = sbuf.st_mtime;
++       tp[0] = time (0);		/* make sure read is later */
++-      utime (stream->mailbox,tp);
+++      set_utime_from_tp(stream->mailbox,tp);
++     }
++   }
++ }
++diff --git a/src/osdep/unix/os_slx.h b/src/osdep/unix/os_slx.h
++index b5f39ff..a316317 100644
++--- a/src/osdep/unix/os_slx.h
+++++ b/src/osdep/unix/os_slx.h
++@@ -50,6 +50,26 @@
++ #include <syslog.h>
++ #include <sys/file.h>
++ 
+++#include <utime.h>
+++
+++static inline int set_utime_from_tp (const char *path, time_t *tp)
+++{
+++  struct utimbuf ub;
+++  ub.actime  = tp[0];
+++  ub.modtime = tp[1];
+++  return utime (path, &ub);
+++}
+++
+++#ifdef __cplusplus
+++extern "C" {
+++#endif
+++
+++int safe_flock (int fd, int operation);
+++
+++#ifdef __cplusplus
+++}
+++#endif
+++
++ 
++ /* Linux gets this wrong */
++ 
++diff --git a/src/osdep/unix/tenex.c b/src/osdep/unix/tenex.c
++index eee61fb..fd03c23 100644
++--- a/src/osdep/unix/tenex.c
+++++ b/src/osdep/unix/tenex.c
++@@ -203,7 +203,7 @@ int tenex_isvalid (char *name,char *tmp)
++       if (sbuf.st_ctime > sbuf.st_atime) {
++ 	tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
++ 	tp[1] = sbuf.st_mtime;
++-	utime (file,tp);	/* set the times */
+++	set_utime_from_tp(file,tp);	/* set the times */
++       }
++     }
++   }
++@@ -654,7 +654,7 @@ void tenex_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags)
++     fstat (LOCAL->fd,&sbuf);	/* get current write time */
++     tp[1] = LOCAL->filetime = sbuf.st_mtime;
++     tp[0] = time (0);		/* make sure read comes after all that */
++-    utime (stream->mailbox,tp);
+++    set_utime_from_tp(stream->mailbox,tp);
++   }
++ }
++ 
++@@ -924,7 +924,7 @@ long tenex_expunge (MAILSTREAM *stream,char *sequence,long options)
++       fstat (LOCAL->fd,&sbuf);	/* get new write time */
++       tp[1] = LOCAL->filetime = sbuf.st_mtime;
++       tp[0] = time (0);		/* reset atime to now */
++-      utime (stream->mailbox,tp);
+++      set_utime_from_tp(stream->mailbox,tp);
++       MM_NOCRITICAL (stream);	/* release critical */
++ 				/* notify upper level of new mailbox size */
++       mail_exists (stream,stream->nmsgs);
++@@ -1019,7 +1019,7 @@ long tenex_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
++ 				/* else preserve \Marked status */
++   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
++   tp[1] = sbuf.st_mtime;	/* preserve mtime */
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp(file,tp);		/* set the times */
++   close (fd);			/* close the file */
++   unlockfd (ld,lock);		/* release exclusive parse/append permission */
++   MM_NOCRITICAL (stream);	/* release critical */
++@@ -1036,7 +1036,7 @@ long tenex_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
++       fstat (LOCAL->fd,&sbuf);	/* get current write time */
++       tp[1] = LOCAL->filetime = sbuf.st_mtime;
++       tp[0] = time (0);		/* make sure atime remains greater */
++-      utime (stream->mailbox,tp);
+++      set_utime_from_tp(stream->mailbox,tp);
++     }
++   }
++   if (ret && mail_parameters (NIL,GET_COPYUID,NIL))
++@@ -1159,7 +1159,7 @@ long tenex_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
++ 				/* else preserve \Marked status */
++   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
++   tp[1] = sbuf.st_mtime;	/* preserve mtime */
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp(file,tp);		/* set the times */
++   fclose (df);			/* close the file */
++   unlockfd (ld,lock);		/* release exclusive parse/append permission */
++   MM_NOCRITICAL (stream);	/* release critical */
++@@ -1324,7 +1324,7 @@ long tenex_parse (MAILSTREAM *stream)
++     time_t tp[2];
++     tp[0] = time (0);
++     tp[1] = LOCAL->filetime;
++-    utime (stream->mailbox,tp);
+++    set_utime_from_tp(stream->mailbox,tp);
++   }
++   stream->silent = silent;	/* can pass up events now */
++   mail_exists (stream,nmsgs);	/* notify upper level of new mailbox size */
++@@ -1424,7 +1424,7 @@ void tenex_update_status (MAILSTREAM *stream,unsigned long msgno,long syncflag)
++       fstat (LOCAL->fd,&sbuf);	/* get new write time */
++       tp[1] = LOCAL->filetime = sbuf.st_mtime;
++       tp[0] = time (0);		/* make sure read is later */
++-      utime (stream->mailbox,tp);
+++      set_utime_from_tp(stream->mailbox,tp);
++     }
++   }
++ }
++diff --git a/src/osdep/unix/unix.c b/src/osdep/unix/unix.c
++index be3c437..58638d6 100644
++--- a/src/osdep/unix/unix.c
+++++ b/src/osdep/unix/unix.c
++@@ -45,6 +45,7 @@ extern int errno;		/* just in case */
++ #include "mail.h"
++ #include "osdep.h"
++ #include <time.h>
+++#include <utime.h>
++ #include <sys/stat.h>
++ #include "unix.h"
++ #include "pseudo.h"
++@@ -228,7 +229,7 @@ DRIVER *unix_valid (char *name)
++       if ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) {
++ 	tp[0] = sbuf.st_atime;	/* yes, preserve atime and mtime */
++ 	tp[1] = sbuf.st_mtime;
++-	utime (file,tp);	/* set the times */
+++	set_utime_from_tp (file,tp);	/* set the times */
++       }
++     }
++   }
++@@ -995,7 +996,7 @@ long unix_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
++   else tp[0] =			/* else preserve \Marked status */
++ 	 ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) ?
++ 	 sbuf.st_atime : tp[1];
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp (file,tp);		/* set the times */
++   unix_unlock (fd,NIL,&lock);	/* unlock and close mailbox */
++   if (tstream) {		/* update last UID if we can */
++     UNIXLOCAL *local = (UNIXLOCAL *) tstream->local;
++@@ -1156,7 +1157,7 @@ long unix_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
++     ret = NIL;			/* return error */
++   }
++   else tp[0] = tp[1] - 1;	/* set atime to now-1 if successful copy */
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp (file,tp);		/* set the times */
++   fclose (sf);			/* done with scratch file */
++ 				/* force UIDVALIDITY assignment now */
++   if (tstream && !tstream->uid_validity) tstream->uid_validity = time (0);
++@@ -1421,7 +1422,7 @@ void unix_unlock (int fd,MAILSTREAM *stream,DOTLOCK *lock)
++     }
++     else now = 0;		/* no time change needed */
++ 				/* set the times, note change */
++-    if (now && !utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+++    if (now && !set_utime_from_tp (stream->mailbox,tp)) LOCAL->filetime = tp[1];
++   }
++   flock (fd,LOCK_UN);		/* release flock'ers */
++   if (!stream) close (fd);	/* close the file if no stream */
++@@ -2247,7 +2248,7 @@ long unix_rewrite (MAILSTREAM *stream,unsigned long *nexp,DOTLOCK *lock,
++ 				/* set atime to now, mtime a second earlier */
++     tp[1] = (tp[0] = time (0)) - 1;
++ 				/* set the times, note change */
++-    if (!utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+++    if (!set_utime_from_tp (stream->mailbox,tp)) LOCAL->filetime = tp[1];
++     close (LOCAL->fd);		/* close and reopen file */
++     if ((LOCAL->fd = open (stream->mailbox,O_RDWR,
++ 			   (long) mail_parameters (NIL,GET_MBXPROTECTION,NIL)))
++-- 
++2.47.3
++
+diff --git a/patches/0002-Fix-scandir-callback-signatures.patch b/patches/0002-Fix-scandir-callback-signatures.patch
+new file mode 100644
+index 0000000..61e4bbf
+--- /dev/null
++++ b/patches/0002-Fix-scandir-callback-signatures.patch
+@@ -0,0 +1,204 @@
++From a67eeb9fd268efc3f13db05810880d2249e6ccce Mon Sep 17 00:00:00 2001
++From: Christoph <ckubu@oopen.de>
++Date: Sun, 14 Dec 2025 11:48:35 +0100
++Subject: [PATCH 2/4] Fix scandir() callback signatures
++
++---
++ src/osdep/unix/mh.c   | 12 +++++++-----
++ src/osdep/unix/mix.c  | 21 +++++++++++----------
++ src/osdep/unix/mx.c   | 13 ++++++-------
++ src/osdep/unix/news.c | 14 ++++++++++----
++ 4 files changed, 34 insertions(+), 26 deletions(-)
++
++diff --git a/src/osdep/unix/mh.c b/src/osdep/unix/mh.c
++index 0226b7a..2f43774 100644
++--- a/src/osdep/unix/mh.c
+++++ b/src/osdep/unix/mh.c
++@@ -103,8 +103,10 @@ long mh_copy (MAILSTREAM *stream,char *sequence,char *mailbox,
++ 	      long options);
++ long mh_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
++ 
++-int mh_select (struct direct *name);
++-int mh_numsort (const void *d1,const void *d2);
+++#include <dirent.h>
+++
+++int mh_select (const struct dirent *name);
+++int mh_numsort (const struct dirent **d1, const struct dirent **d2);
++ char *mh_file (char *dst,char *name);
++ long mh_canonicalize (char *pattern,char *ref,char *pat);
++ void mh_setdate (char *file,MESSAGECACHE *elt);
++@@ -1194,7 +1196,7 @@ long mh_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
++  * Returns: T to use file name, NIL to skip it
++  */
++ 
++-int mh_select (struct direct *name)
+++int mh_select (const struct dirent *name)
++ {
++   char c;
++   char *s = name->d_name;
++@@ -1209,7 +1211,7 @@ int mh_select (struct direct *name)
++  * Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
++  */
++ 
++-int mh_numsort (const void *d1,const void *d2)
+++int mh_numsort (const struct dirent **d1, const struct dirent **d2)
++ {
++   return atoi ((*(struct direct **) d1)->d_name) -
++     atoi ((*(struct direct **) d2)->d_name);
++@@ -1279,5 +1281,5 @@ void mh_setdate (char *file,MESSAGECACHE *elt)
++   time_t tp[2];
++   tp[0] = time (0);		/* atime is now */
++   tp[1] = mail_longdate (elt);	/* modification time */
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp(file,tp);		/* set the times */
++ }
++diff --git a/src/osdep/unix/mix.c b/src/osdep/unix/mix.c
++index fbf4a02..546ac99 100644
++--- a/src/osdep/unix/mix.c
+++++ b/src/osdep/unix/mix.c
++@@ -125,7 +125,7 @@ long mix_unsubscribe (MAILSTREAM *stream,char *mailbox);
++ long mix_create (MAILSTREAM *stream,char *mailbox);
++ long mix_delete (MAILSTREAM *stream,char *mailbox);
++ long mix_rename (MAILSTREAM *stream,char *old,char *newname);
++-int mix_rselect (struct direct *name);
+++int mix_rselect (const struct dirent *name);
++ MAILSTREAM *mix_open (MAILSTREAM *stream);
++ void mix_close (MAILSTREAM *stream,long options);
++ void mix_abort (MAILSTREAM *stream);
++@@ -140,8 +140,8 @@ THREADNODE *mix_thread (MAILSTREAM *stream,char *type,char *charset,
++ long mix_ping (MAILSTREAM *stream);
++ void mix_check (MAILSTREAM *stream);
++ long mix_expunge (MAILSTREAM *stream,char *sequence,long options);
++-int mix_select (struct direct *name);
++-int mix_msgfsort (const void *d1,const void *d2);
+++int mix_select (const struct dirent *name);
+++int mix_msgfsort (const struct dirent **d1, const struct dirent **d2);
++ long mix_addset (SEARCHSET **set,unsigned long start,unsigned long size);
++ long mix_burp (MAILSTREAM *stream,MIXBURP *burp,unsigned long *reclaimed);
++ long mix_burp_check (SEARCHSET *set,size_t size,char *file);
++@@ -587,7 +587,7 @@ long mix_rename (MAILSTREAM *stream,char *old,char *newname)
++  * Returns: T if mix file name, NIL otherwise
++  */
++ 
++-int mix_rselect (struct direct *name)
+++int mix_rselect (const struct dirent *name)
++ {
++   return mix_dirfmttest (name->d_name);
++ }
++@@ -1146,7 +1146,7 @@ long mix_expunge (MAILSTREAM *stream,char *sequence,long options)
++  * ".mix" with no suffix was used by experimental versions
++  */
++ 
++-int mix_select (struct direct *name)
+++int mix_select (const struct dirent *name)
++ {
++   char c,*s;
++ 				/* make sure name has prefix */
++@@ -1165,15 +1165,16 @@ int mix_select (struct direct *name)
++  * Returns: -1 if d1 < d2, 0 if d1 == d2, 1 d1 > d2
++  */
++ 
++-int mix_msgfsort (const void *d1,const void *d2)
+++int mix_msgfsort (const struct dirent **d1, const struct dirent **d2)
++ {
++-  char *n1 = (*(struct direct **) d1)->d_name + sizeof (MIXNAME) - 1;
++-  char *n2 = (*(struct direct **) d2)->d_name + sizeof (MIXNAME) - 1;
++-  return compare_ulong (*n1 ? strtoul (n1,NIL,16) : 0,
++-			*n2 ? strtoul (n2,NIL,16) : 0);
+++  const char *n1 = (*d1)->d_name + sizeof (MIXNAME) - 1;
+++  const char *n2 = (*d2)->d_name + sizeof (MIXNAME) - 1;
+++  return compare_ulong (*n1 ? strtoul (n1, NIL, 16) : 0,
+++                        *n2 ? strtoul (n2, NIL, 16) : 0);
++ }
++ 
++ 
+++
++ /* MIX add a range to a set
++  * Accepts: pointer to set to add
++  *	    start of set
++diff --git a/src/osdep/unix/mx.c b/src/osdep/unix/mx.c
++index 4549527..943f7da 100644
++--- a/src/osdep/unix/mx.c
+++++ b/src/osdep/unix/mx.c
++@@ -98,8 +98,8 @@ long mx_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
++ long mx_append_msg (MAILSTREAM *stream,char *flags,MESSAGECACHE *elt,
++ 		    STRING *st,SEARCHSET *set);
++ 
++-int mx_select (struct direct *name);
++-int mx_numsort (const void *d1,const void *d2);
+++int mx_select (const struct dirent *name);
+++int mx_numsort (const struct dirent **d1, const struct dirent **d2);
++ char *mx_file (char *dst,char *name);
++ long mx_lockindex (MAILSTREAM *stream);
++ void mx_unlockindex (MAILSTREAM *stream);
++@@ -1110,7 +1110,7 @@ long mx_append_msg (MAILSTREAM *stream,char *flags,MESSAGECACHE *elt,
++  * Returns: T to use file name, NIL to skip it
++  */
++ 
++-int mx_select (struct direct *name)
+++int mx_select (const struct dirent *name)
++ {
++   char c;
++   char *s = name->d_name;
++@@ -1125,10 +1125,9 @@ int mx_select (struct direct *name)
++  * Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
++  */
++ 
++-int mx_numsort (const void *d1,const void *d2)
+++int mx_numsort (const struct dirent **d1, const struct dirent **d2)
++ {
++-  return atoi ((*(struct direct **) d1)->d_name) -
++-    atoi ((*(struct direct **) d2)->d_name);
+++  return atoi ((*d1)->d_name) - atoi ((*d2)->d_name);
++ }
++ 
++ 
++@@ -1283,5 +1282,5 @@ void mx_setdate (char *file,MESSAGECACHE *elt)
++   time_t tp[2];
++   tp[0] = time (0);		/* atime is now */
++   tp[1] = mail_longdate (elt);	/* modification time */
++-  utime (file,tp);		/* set the times */
+++  set_utime_from_tp(file,tp);		/* set the times */
++ }
++diff --git a/src/osdep/unix/news.c b/src/osdep/unix/news.c
++index 4cf5bb7..e0dbb52 100644
++--- a/src/osdep/unix/news.c
+++++ b/src/osdep/unix/news.c
++@@ -76,8 +76,12 @@ long news_create (MAILSTREAM *stream,char *mailbox);
++ long news_delete (MAILSTREAM *stream,char *mailbox);
++ long news_rename (MAILSTREAM *stream,char *old,char *newname);
++ MAILSTREAM *news_open (MAILSTREAM *stream);
++-int news_select (struct direct *name);
++-int news_numsort (const void *d1,const void *d2);
+++
+++#include <dirent.h>   /* falls nicht schon drin */
+++
+++int news_select (const struct dirent *name);
+++int news_numsort (const struct dirent **d1, const struct dirent **d2);
+++
++ void news_close (MAILSTREAM *stream,long options);
++ void news_fast (MAILSTREAM *stream,char *sequence,long flags);
++ void news_flags (MAILSTREAM *stream,char *sequence,long flags);
++@@ -402,7 +406,8 @@ MAILSTREAM *news_open (MAILSTREAM *stream)
++  * Returns: T to use file name, NIL to skip it
++  */
++ 
++-int news_select (struct direct *name)
+++int news_select (const struct dirent *name)
+++
++ {
++   char c;
++   char *s = name->d_name;
++@@ -417,7 +422,8 @@ int news_select (struct direct *name)
++  * Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
++  */
++ 
++-int news_numsort (const void *d1,const void *d2)
+++int news_numsort (const struct dirent **d1, const struct dirent **d2)
+++
++ {
++   return atoi ((*(struct direct **) d1)->d_name) -
++     atoi ((*(struct direct **) d2)->d_name);
++-- 
++2.47.3
++
+diff --git a/patches/0003-Replace-gets-with-fgets.patch b/patches/0003-Replace-gets-with-fgets.patch
+new file mode 100644
+index 0000000..be6ad5e
+--- /dev/null
++++ b/patches/0003-Replace-gets-with-fgets.patch
+@@ -0,0 +1,44 @@
++From 789c2d97f672fd25cb0f5495892f13eda9fef440 Mon Sep 17 00:00:00 2001
++From: Christoph <ckubu@oopen.de>
++Date: Sun, 14 Dec 2025 11:49:00 +0100
++Subject: [PATCH 3/4] Replace gets() with fgets()
++
++---
++ src/mtest/mtest.c | 7 +++++--
++ 1 file changed, 5 insertions(+), 2 deletions(-)
++
++diff --git a/src/mtest/mtest.c b/src/mtest/mtest.c
++index 69af568..c15a853 100644
++--- a/src/mtest/mtest.c
+++++ b/src/mtest/mtest.c
++@@ -38,6 +38,7 @@
++ #include <signal.h>
++ #include "c-client.h"
++ #include "imap4r1.h"
+++#include <string.h>
++ 
++ /* Excellent reasons to hate ifdefs, and why my real code never uses them */
++ 
++@@ -595,7 +596,8 @@ void status (MAILSTREAM *stream)
++ void prompt (char *msg,char *txt)
++ {
++   printf ("%s",msg);
++-  gets (txt);
+++  if (!fgets (txt, sizeof (txt), stdin)) txt[0] = '\0';
+++  txt[strcspn (txt, "\r\n")] = '\0';
++ }
++ 
++ /* Interfaces to C-client */
++@@ -779,7 +781,8 @@ void smtptest (long debug)
++   puts (" Msg (end with a line with only a '.'):");
++   body->type = TYPETEXT;
++   *text = '\0';
++-  while (gets (line)) {
+++  while (fgets (line, sizeof (line), stdin)) {
+++    line[strcspn (line, "\r\n")] = '\0';
++     if (line[0] == '.') {
++       if (line[1] == '\0') break;
++       else strcat (text,".");
++-- 
++2.47.3
++
+diff --git a/patches/0004-Add-missing-headers-for-modern-toolchains.patch b/patches/0004-Add-missing-headers-for-modern-toolchains.patch
+new file mode 100644
+index 0000000..cc6f71e
+--- /dev/null
++++ b/patches/0004-Add-missing-headers-for-modern-toolchains.patch
+@@ -0,0 +1,51 @@
++From 8f89723b4f32c3ce70dbb3f99f1c176e4492692d Mon Sep 17 00:00:00 2001
++From: Christoph <ckubu@oopen.de>
++Date: Sun, 14 Dec 2025 11:49:29 +0100
++Subject: [PATCH 4/4] Add missing headers for modern toolchains
++
++---
++ src/dmail/dmail.c | 1 +
++ src/mlock/mlock.c | 2 ++
++ src/tmail/tmail.c | 1 +
++ 3 files changed, 4 insertions(+)
++
++diff --git a/src/dmail/dmail.c b/src/dmail/dmail.c
++index f78b957..b569c16 100644
++--- a/src/dmail/dmail.c
+++++ b/src/dmail/dmail.c
++@@ -35,6 +35,7 @@ extern int errno;		/* just in case */
++ #include <sys/stat.h>
++ #include "c-client.h"
++ #include "dquota.h"
+++#include <ctype.h>
++ 
++ 
++ /* Globals */
++diff --git a/src/mlock/mlock.c b/src/mlock/mlock.c
++index 1dca40e..95f3729 100644
++--- a/src/mlock/mlock.c
+++++ b/src/mlock/mlock.c
++@@ -40,6 +40,8 @@
++ #include <netdb.h>
++ #include <ctype.h>
++ #include <string.h>
+++#include <unistd.h>   /* write, read, close, link, unlink, chdir, sleep, getpid, gethostname */
+++#include <time.h>     /* time */
++ 
++ #define LOCKTIMEOUT 5		/* lock timeout in minutes */
++ #define LOCKPROTECTION 0664
++diff --git a/src/tmail/tmail.c b/src/tmail/tmail.c
++index ed5fc58..95ecbd2 100644
++--- a/src/tmail/tmail.c
+++++ b/src/tmail/tmail.c
++@@ -35,6 +35,7 @@ extern int errno;		/* just in case */
++ #include <sys/stat.h>
++ #include "c-client.h"
++ #include "tquota.h"
+++#include <ctype.h>
++ 
++ 
++ /* Globals */
++-- 
++2.47.3
++
+-- 
+2.47.3
+

scripts/all.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT"
+
+# Defaults suitable for automation
+: "${CLEAN:=1}"
+: "${PREFIX:=/usr/local/imap}"
+: "${DEPS_AUTO:=1}"
+
+# Install deps first (Debian/Ubuntu)
+./scripts/deps-debian.sh
+
+./scripts/apply-patches.sh
+CLEAN="$CLEAN" ./scripts/build.sh
+PREFIX="$PREFIX" ./scripts/install.sh

scripts/apply-patches.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+PATCHDIR="${ROOT}/patches"
+
+usage() {
+  cat <<USAGE
+Usage: $0
+Applies patches 0001–0004 to the working tree (idempotent).
+USAGE
+}
+
+if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
+  usage
+  exit 0
+fi
+
+cd "$ROOT"
+
+if [[ ! -d "$PATCHDIR" ]]; then
+  echo "ERROR: patches/ directory not found at: $PATCHDIR" >&2
+  exit 1
+fi
+
+shopt -s nullglob
+patches=( "$PATCHDIR"/000[1-4]-*.patch )
+
+if (( ${#patches[@]} == 0 )); then
+  echo "ERROR: no 0001–0004 patches found in $PATCHDIR" >&2
+  exit 1
+fi
+
+for p in "${patches[@]}"; do
+  echo "==> Checking $(basename "$p")"
+  if patch --dry-run -p1 < "$p" >/dev/null 2>&1; then
+    echo "==> Applying $(basename "$p")"
+    patch -p1 < "$p"
+  else
+    echo "==> Skipping $(basename "$p") (already applied or does not apply cleanly)"
+  fi
+done
+
+echo "Done."

scripts/build.sh

@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+SSLTYPE="${SSLTYPE:-unix.nopwd}"   # recommended for RFC 3501 compliance
+TARGET="${TARGET:-lnp}"            # what you used successfully
+CLEAN="${CLEAN:-0}"                # set to 1 for a clean build
+
+usage() {
+  cat <<USAGE
+Usage: $0
+
+Build UW-IMAP in a deterministic, legacy-compatible order.
+
+Environment:
+  SSLTYPE   (default: unix.nopwd)
+  TARGET    (default: lnp)
+  CLEAN     (default: 0)  set to 1 to remove build artifacts before building
+
+Examples:
+  $0
+  CLEAN=1 $0
+  SSLTYPE=unix.nopwd TARGET=lnp CLEAN=1 $0
+USAGE
+}
+
+if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
+  usage
+  exit 0
+fi
+
+cd "$ROOT"
+
+if [[ -d patches ]]; then
+  echo "Hint: run ./scripts/apply-patches.sh before building if needed."
+fi
+
+if [[ "$CLEAN" == "1" ]]; then
+  echo "==> Cleaning previous build artifacts"
+  make clean || true
+
+  # Remove common UW-IMAP build byproducts/symlink trees that can break rebuilds
+  rm -f OSTYPE CFLAGS CCTYPE LDFLAGS OSCFLAGS ARCHIVE SPECIALS an 2>/dev/null || true
+  rm -rf c-client mtest ipopd imapd mailutil mlock dmail tmail rebuild 2>/dev/null || true
+fi
+
+# Ensure tools/an exists and is executable (should be part of the repo)
+if [[ ! -f tools/an ]]; then
+  echo "ERROR: tools/an not found. Repository checkout seems incomplete." >&2
+  exit 1
+fi
+chmod +x tools/an 2>/dev/null || true
+
+echo "==> Step 1/3: Prepare symlinks (make an)"
+# This creates the symlink layout expected by the rest of the build (c-client/, mtest/, ...)
+make an
+
+echo "==> Step 2/3: Build core (make ${TARGET} SSLTYPE=${SSLTYPE})"
+# IMPORTANT: do NOT use -j here; UW-IMAP's legacy build is not reliably parallel-safe.
+make "${TARGET}" "SSLTYPE=${SSLTYPE}"
+
+echo "==> Step 3/3: Build bundled tools (make bundled)"
+# Bundled tools depend on generated headers like c-client/osdep.h.
+#make bundled || true
+make bundled
+
+echo "Build done."
+echo "Artifacts:"
+echo "  c-client/c-client.a: $(test -f c-client/c-client.a && echo OK || echo MISSING)"
+echo "  c-client/osdep.h:    $(test -f c-client/osdep.h && echo OK || echo MISSING)"

scripts/deps-debian.sh

@@ -0,0 +1,101 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<USAGE
+Usage: $0
+
+Installs required build dependencies on Debian/Ubuntu using apt.
+
+Environment:
+  DEPS_AUTO   (default: 1)  set to 0 to only print missing packages and exit non-zero
+  APT_YES     (default: 1)  set to 0 to run apt without -y
+USAGE
+}
+
+if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
+  usage
+  exit 0
+fi
+
+DEPS_AUTO="${DEPS_AUTO:-1}"
+APT_YES="${APT_YES:-1}"
+
+# Must have apt
+if ! command -v apt-get >/dev/null 2>&1; then
+  echo "ERROR: apt-get not found. This script supports Debian/Ubuntu only." >&2
+  exit 1
+fi
+
+# Basic distro check (soft)
+if [[ -r /etc/os-release ]]; then
+  . /etc/os-release
+  case "${ID:-}" in
+    debian|ubuntu|linuxmint|pop) : ;;
+    *)
+      echo "WARN: Detected ID=${ID:-unknown}. Proceeding anyway (apt-based system assumed)." >&2
+      ;;
+  esac
+fi
+
+# Packages needed to build UW-IMAP 2007f with modern toolchains
+PKGS=(
+  build-essential
+  autoconf
+  automake
+  libtool
+  pkg-config
+  libssl-dev
+  libpam0g-dev
+  libc6-dev
+  libcrypt-dev
+  bison
+  flex
+  patch
+  ca-certificates
+)
+
+missing=()
+for p in "${PKGS[@]}"; do
+  if dpkg -s "$p" >/dev/null 2>&1; then
+    continue
+  fi
+  missing+=( "$p" )
+done
+
+if (( ${#missing[@]} == 0 )); then
+  echo "==> Dependencies already satisfied."
+  exit 0
+fi
+
+echo "==> Missing packages:"
+printf '  - %s\n' "${missing[@]}"
+
+if [[ "$DEPS_AUTO" != "1" ]]; then
+  echo "DEPS_AUTO=0 -> not installing automatically." >&2
+  exit 2
+fi
+
+# Choose privilege escalation
+SUDO=""
+if [[ "$(id -u)" -ne 0 ]]; then
+  if command -v sudo >/dev/null 2>&1; then
+    SUDO="sudo"
+  else
+    echo "ERROR: Not running as root and sudo not found." >&2
+    exit 1
+  fi
+fi
+
+yesflag=()
+if [[ "$APT_YES" == "1" ]]; then
+  yesflag=( -y )
+fi
+
+echo "==> Updating apt index"
+$SUDO apt-get update
+
+echo "==> Installing dependencies"
+$SUDO apt-get install "${yesflag[@]}" "${missing[@]}"
+
+echo "==> Done."

scripts/install.sh

@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+PREFIX="${PREFIX:-/usr/local/imap}"
+
+usage() {
+  cat <<USAGE
+Usage: $0
+
+Environment:
+  PREFIX    (default: /usr/local/imap)
+
+Installs:
+  - headers to: \$PREFIX/include
+  - static lib to: \$PREFIX/lib/libc-client.a
+  - binaries to: \$PREFIX/bin (if present)
+USAGE
+}
+
+if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
+  usage
+  exit 0
+fi
+
+cd "$ROOT"
+
+SRC_LIB="${ROOT}/c-client/c-client.a"
+SRC_HDR_DIR="${ROOT}/c-client"
+
+if [[ ! -f "$SRC_LIB" ]]; then
+  echo "ERROR: $SRC_LIB not found. Build first (./scripts/build.sh)." >&2
+  exit 1
+fi
+
+echo "==> Installing to PREFIX=$PREFIX"
+install -d -m 0755 "$PREFIX/include" "$PREFIX/lib" "$PREFIX/bin"
+
+echo "==> Installing headers"
+install -m 0644 "$SRC_HDR_DIR"/*.h "$PREFIX/include/"
+
+echo "==> Installing libc-client.a"
+install -m 0644 "$SRC_LIB" "$PREFIX/lib/libc-client.a"
+
+echo "==> Installing binaries (if present)"
+# Common outputs after 'make bundled'
+bins=(
+  "$ROOT/mtest/mtest"
+  "$ROOT/imapd/imapd"
+  "$ROOT/ipopd/ipopd"
+  "$ROOT/mailutil/mailutil"
+  "$ROOT/mlock/mlock"
+  "$ROOT/dmail/dmail"
+  "$ROOT/tmail/tmail"
+)
+
+installed_any=0
+for b in "${bins[@]}"; do
+  if [[ -x "$b" ]]; then
+    install -m 0755 "$b" "$PREFIX/bin/"
+    echo "  installed: $(basename "$b")"
+    installed_any=1
+  else
+    echo "  skipped:   $(basename "$b") (not found/executable)"
+  fi
+done
+
+echo "==> Done."
+echo "Installed:"
+echo "  Headers:  $PREFIX/include/*.h"
+echo "  Library:  $PREFIX/lib/libc-client.a"
+if [[ "$installed_any" -eq 1 ]]; then
+  echo "  Binaries: $PREFIX/bin/"
+else
+  echo "  Binaries: none (run ./scripts/build.sh to build bundled tools)"
+fi

src/c-client/auth_md5.c

@@ -42,17 +42,17 @@ typedef struct {
 
 /* Prototypes */
 
-long auth_md5_valid (void);
-long auth_md5_client (authchallenge_t challenger,authrespond_t responder,
+static long auth_md5_valid (void);
+static long auth_md5_client (authchallenge_t challenger,authrespond_t responder,
 		      char *service,NETMBX *mb,void *stream,
 		      unsigned long *trial,char *user);
-char *auth_md5_server (authresponse_t responder,int argc,char *argv[]);
-char *auth_md5_pwd (char *user);
+static char *auth_md5_server (authresponse_t responder,int argc,char *argv[]);
+static char *auth_md5_pwd (char *user);
 char *apop_login (char *chal,char *user,char *md5,int argc,char *argv[]);
-char *hmac_md5 (char *text,unsigned long tl,char *key,unsigned long kl);
-void md5_init (MD5CONTEXT *ctx);
-void md5_update (MD5CONTEXT *ctx,unsigned char *data,unsigned long len);
-void md5_final (unsigned char *digest,MD5CONTEXT *ctx);
+static char *hmac_md5 (char *text,unsigned long tl,char *key,unsigned long kl);
+static void md5_init (MD5CONTEXT *ctx);
+static void md5_update (MD5CONTEXT *ctx,unsigned char *data,unsigned long len);
+static void md5_final (unsigned char *digest,MD5CONTEXT *ctx);
 static void md5_transform (unsigned long *state,unsigned char *block);
 static void md5_encode (unsigned char *dst,unsigned long *src,int len);
 static void md5_decode (unsigned long *dst,unsigned char *src,int len);

src/c-client/rfc822.c

@@ -384,6 +384,9 @@ void rfc822_parse_content (BODY *body,STRING *bs,char *h,unsigned long depth,
 	if (CHR (bs) == '\012'){/* following LF? */
 	  c = SNX (bs); i--;	/* yes, slurp it */
 	}
+	if (!i)			/* Make sure we don't get an overflow for */
+	  break;		/* messages ending on \015 (or the following */
+				/* i-- will cause i to be MAXINT. Not good.) */
       case '\012':		/* at start of a line, start with -- ? */
 	if (!(i && i-- && ((c = SNX (bs)) == '-') && i-- &&
 	      ((c = SNX (bs)) == '-'))) break;

src/dmail/dmail.c

@@ -35,6 +35,7 @@ extern int errno;		/* just in case */
 #include <sys/stat.h>
 #include "c-client.h"
 #include "dquota.h"
+#include <ctype.h>
 
 
 /* Globals */

src/mlock/mlock.c

@@ -40,6 +40,8 @@
 #include <netdb.h>
 #include <ctype.h>
 #include <string.h>
+#include <unistd.h>   /* write, read, close, link, unlink, chdir, sleep, getpid, gethostname */
+#include <time.h>     /* time */
 
 #define LOCKTIMEOUT 5		/* lock timeout in minutes */
 #define LOCKPROTECTION 0664

src/mtest/mtest.c

@@ -38,6 +38,7 @@
 #include <signal.h>
 #include "c-client.h"
 #include "imap4r1.h"
+#include <string.h>
 
 /* Excellent reasons to hate ifdefs, and why my real code never uses them */
 
@@ -595,7 +596,8 @@ void status (MAILSTREAM *stream)
 void prompt (char *msg,char *txt)
 {
   printf ("%s",msg);
-  gets (txt);
+  if (!fgets (txt, sizeof (txt), stdin)) txt[0] = '\0';
+  txt[strcspn (txt, "\r\n")] = '\0';
 }
 
 /* Interfaces to C-client */
@@ -779,7 +781,8 @@ void smtptest (long debug)
   puts (" Msg (end with a line with only a '.'):");
   body->type = TYPETEXT;
   *text = '\0';
-  while (gets (line)) {
+  while (fgets (line, sizeof (line), stdin)) {
+    line[strcspn (line, "\r\n")] = '\0';
     if (line[0] == '.') {
       if (line[1] == '\0') break;
       else strcat (text,".");

src/osdep/unix/Makefile

@@ -73,7 +73,7 @@ SSLRSA= # -lRSAglue -lrsaref
 
 SSLCFLAGS= -I$(SSLINCLUDE) -I$(SSLINCLUDE)/openssl\
  -DSSL_CERT_DIRECTORY=\"$(SSLCERTS)\" -DSSL_KEY_DIRECTORY=\"$(SSLKEYS)\"
-SSLLDFLAGS= -L$(SSLLIB) -lssl $(SSLCRYPTO) $(SSLRSA)
+SSLLDFLAGS= -L$(SSLLIB) -lssl $(SSLCRYPTO) $(SSLRSA) $(EXTRALDFLAGS)
 
 
 # Extended flags needed for non-standard passwd types.  You may need to modify.
@@ -96,11 +96,11 @@ CHECKPW=std
 LOGINPW=std
 SIGTYPE=bsd
 CRXTYPE=std
-ACTIVEFILE=/usr/lib/news/active
-SPOOLDIR=/usr/spool
+ACTIVEFILE=/var/lib/news/active
+SPOOLDIR=/var/spool
 MAILSPOOL=$(SPOOLDIR)/mail
 NEWSSPOOL=$(SPOOLDIR)/news
-RSHPATH=/usr/ucb/rsh
+RSHPATH=/usr/bin/rsh
 MD5PWD=/etc/cram-md5.pwd
 # Tries one of the test alternatives below if not specified.
 LOCKPGM=
@@ -170,6 +170,10 @@ BUILD=$(MAKE) build EXTRACFLAGS='$(EXTRACFLAGS)'\
  EXTRADRIVERS='$(EXTRADRIVERS)' EXTRAAUTHENTICATORS='$(EXTRAAUTHENTICATORS)'\
  PASSWDTYPE=$(PASSWDTYPE) SSLTYPE=$(SSLTYPE) IP=$(IP)
 
+# Need this for the shared library rule to work correctly
+.SUFFIXES: .o .so
+SOFILES=${BINARIES:.o=.so}
+
 
 # Here if no make argument established
 
@@ -498,7 +502,7 @@ lnp:	# Linux Pluggable Authentication modules
 	 ACTIVEFILE=/var/lib/news/active \
 	 RSHPATH=/usr/bin/rsh \
 	 BASECFLAGS="$(GCCCFLAGS)" \
-	 BASELDFLAGS="$(PAMLDFLAGS)"
+	 BASELDFLAGS="$(EXTRALDFLAGS) $(PAMLDFLAGS)"
 
 lnx:	# Linux non-shadow passwords
 	@echo You are building for traditional Linux *without* shadow
@@ -853,18 +857,24 @@ vu2:	# VAX Ultrix 2.3, etc.
 
 # Build it!
 
-build:	clean once $(ARCHIVE)
+build:	clean once $(ARCHIVE) $(SHLIBNAME)
 
-all:	$(ARCHIVE)
+all:	$(ARCHIVE) $(SHLIBNAME)
 
 $(ARCHIVE): $(BINARIES)
 	sh -c '$(RM) $(ARCHIVE) || true'
 	@$(CAT) ARCHIVE
 	@$(SH) ARCHIVE
 
-.c.o:
-	`$(CAT) CCTYPE` -c `$(CAT) CFLAGS` $*.c
+$(SHLIBNAME):	$(SOFILES)
+	gcc -shared -Wl,-soname,$(SHLIBNAME) -o $(SHLIBNAME) $(SOFILES) `cat LDFLAGS`
+	ln -s $(SHLIBNAME) lib$(SHLIBBASE).so
 
+.c.so:	osdep.h
+	$(CC) -fPIC -DPIC -D_REENTRANT -c `$(CAT) CFLAGS` ${@:.so=.c} -o $@
+
+.c.o:
+	$(CC) -fPIC -DPIC -D_REENTRANT -c `$(CAT) CFLAGS` $*.c
 
 # Cleanup
 
@@ -903,8 +913,7 @@ utf8aux.o: mail.h misc.h osdep.h utf8.h
 
 
 # OS-dependent
-
-osdep.o:mail.h misc.h env.h fs.h ftl.h nl.h tcp.h \
+OSDEPS= mail.h misc.h env.h fs.h ftl.h nl.h tcp.h \
 	osdep.h env_unix.h tcp_unix.h \
 	osdep.c env_unix.c fs_unix.c ftl_unix.c nl_unix.c tcp_unix.c ip_unix.c\
 	auths.c crexcl.c flockcyg.c flocklnx.c flocksim.c fsync.c \
@@ -918,12 +927,19 @@ osdep.o:mail.h misc.h env.h fs.h ftl.h nl.h tcp.h \
 	write.c sslstdio.c \
 	strerror.c strpbrk.c strstr.c strtok.c strtoul.c \
 	OSCFLAGS
+
+osdep.o:	$(OSDEPS)
+	$(CC) -fPIC -DPIC -D_REENTRANT `$(CAT) CFLAGS` `$(CAT) OSCFLAGS` -c osdep.c
+	@echo ========================================================================
 	@echo Building OS-dependent module
 	@echo If you get No such file error messages for files x509.h, ssl.h,
 	@echo pem.h, buffer.h, bio.h, and crypto.h, that means that OpenSSL
 	@echo is not installed on your system.  Either install OpenSSL first
 	@echo or build with command: make `$(CAT) OSTYPE` SSLTYPE=none
-	`$(CAT) CCTYPE` -c `$(CAT) CFLAGS` `$(CAT) OSCFLAGS` -c osdep.c
+	@echo ========================================================================
+
+osdep.so:	$(OSDEPS)
+	$(CC) -fPIC -DPIC -D_REENTRANT `$(CAT) CFLAGS` `cat OSCFLAGS` -c osdep.c -o $@
 
 osdep.c: osdepbas.c osdepckp.c osdeplog.c osdepssl.c
 	$(CAT) osdepbas.c osdepckp.c osdeplog.c osdepssl.c > osdep.c

src/osdep/unix/mbx.c

@@ -300,7 +300,7 @@ int mbx_isvalid (MAILSTREAM **stream,char *name,char *tmp,int *ld,char *lock,
     if (sbuf.st_ctime > sbuf.st_atime) {
       tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
       tp[1] = sbuf.st_mtime;
-      utime (tmp,tp);		/* set the times */
+      set_utime_from_tp (tmp,tp);		/* set the times */
     }
   }
 				/* in case INBOX but not mbx format */
@@ -774,7 +774,7 @@ void mbx_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags)
 	 stream->user_flags[LOCAL->ffuserflag]) || (oldpid != LOCAL->lastpid))
       mbx_update_header (stream);
     tp[0] = time (0);		/* make sure read comes after all that */
-    utime (stream->mailbox,tp);
+    set_utime_from_tp(stream->mailbox,tp);
   }
   if (LOCAL->ld >= 0) {		/* unlock now */
     unlockfd (LOCAL->ld,LOCAL->lock);
@@ -1073,7 +1073,7 @@ long mbx_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
 				/* else preserve \Marked status */
   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
   tp[1] = sbuf.st_mtime;	/* preserve mtime */
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp(file,tp);		/* set the times */
   close (fd);			/* close the file */
   MM_NOCRITICAL (stream);	/* release critical */
   unlockfd (ld,lock);		/* release exclusive parse/append permission */
@@ -1211,7 +1211,7 @@ long mbx_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
 				/* else preserve \Marked status */
     else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
     tp[1] = sbuf.st_mtime;	/* preserve mtime */
-    utime (file,tp);		/* set the times */
+    set_utime_from_tp(file,tp);		/* set the times */
     fclose (df);		/* close the file */
     MM_NOCRITICAL (dstream);	/* release critical */
   }
@@ -1444,7 +1444,7 @@ long mbx_parse (MAILSTREAM *stream)
     time_t tp[2];
     tp[0] = time (0);
     tp[1] = LOCAL->filetime;
-    utime (stream->mailbox,tp);
+    set_utime_from_tp(stream->mailbox,tp);
   }
   stream->silent = silent;	/* can pass up events now */
   mail_exists (stream,nmsgs);	/* notify upper level of new mailbox size */
@@ -1812,7 +1812,7 @@ unsigned long mbx_rewrite (MAILSTREAM *stream,unsigned long *reclaimed,
   fstat (LOCAL->fd,&sbuf);	/* get new write time */
   tp[1] = LOCAL->filetime = sbuf.st_mtime;
   tp[0] = time (0);		/* reset atime to now */
-  utime (stream->mailbox,tp);
+  set_utime_from_tp(stream->mailbox,tp);
   unlockfd (ld,lock);		/* release exclusive parse/append permission */
 				/* notify upper level of new mailbox size */
   mail_exists (stream,stream->nmsgs);

src/osdep/unix/mh.c

@@ -103,8 +103,10 @@ long mh_copy (MAILSTREAM *stream,char *sequence,char *mailbox,
 	      long options);
 long mh_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
 
-int mh_select (struct direct *name);
-int mh_numsort (const void *d1,const void *d2);
+#include <dirent.h>
+
+int mh_select (const struct dirent *name);
+int mh_numsort (const struct dirent **d1, const struct dirent **d2);
 char *mh_file (char *dst,char *name);
 long mh_canonicalize (char *pattern,char *ref,char *pat);
 void mh_setdate (char *file,MESSAGECACHE *elt);
@@ -1194,7 +1196,7 @@ long mh_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
  * Returns: T to use file name, NIL to skip it
  */
 
-int mh_select (struct direct *name)
+int mh_select (const struct dirent *name)
 {
   char c;
   char *s = name->d_name;
@@ -1209,7 +1211,7 @@ int mh_select (struct direct *name)
  * Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
  */
 
-int mh_numsort (const void *d1,const void *d2)
+int mh_numsort (const struct dirent **d1, const struct dirent **d2)
 {
   return atoi ((*(struct direct **) d1)->d_name) -
     atoi ((*(struct direct **) d2)->d_name);
@@ -1279,5 +1281,5 @@ void mh_setdate (char *file,MESSAGECACHE *elt)
   time_t tp[2];
   tp[0] = time (0);		/* atime is now */
   tp[1] = mail_longdate (elt);	/* modification time */
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp(file,tp);		/* set the times */
 }

src/osdep/unix/mix.c

@@ -125,7 +125,7 @@ long mix_unsubscribe (MAILSTREAM *stream,char *mailbox);
 long mix_create (MAILSTREAM *stream,char *mailbox);
 long mix_delete (MAILSTREAM *stream,char *mailbox);
 long mix_rename (MAILSTREAM *stream,char *old,char *newname);
-int mix_rselect (struct direct *name);
+int mix_rselect (const struct dirent *name);
 MAILSTREAM *mix_open (MAILSTREAM *stream);
 void mix_close (MAILSTREAM *stream,long options);
 void mix_abort (MAILSTREAM *stream);
@@ -140,8 +140,8 @@ THREADNODE *mix_thread (MAILSTREAM *stream,char *type,char *charset,
 long mix_ping (MAILSTREAM *stream);
 void mix_check (MAILSTREAM *stream);
 long mix_expunge (MAILSTREAM *stream,char *sequence,long options);
-int mix_select (struct direct *name);
-int mix_msgfsort (const void *d1,const void *d2);
+int mix_select (const struct dirent *name);
+int mix_msgfsort (const struct dirent **d1, const struct dirent **d2);
 long mix_addset (SEARCHSET **set,unsigned long start,unsigned long size);
 long mix_burp (MAILSTREAM *stream,MIXBURP *burp,unsigned long *reclaimed);
 long mix_burp_check (SEARCHSET *set,size_t size,char *file);
@@ -587,7 +587,7 @@ long mix_rename (MAILSTREAM *stream,char *old,char *newname)
  * Returns: T if mix file name, NIL otherwise
  */
 
-int mix_rselect (struct direct *name)
+int mix_rselect (const struct dirent *name)
 {
   return mix_dirfmttest (name->d_name);
 }
@@ -1146,7 +1146,7 @@ long mix_expunge (MAILSTREAM *stream,char *sequence,long options)
  * ".mix" with no suffix was used by experimental versions
  */
 
-int mix_select (struct direct *name)
+int mix_select (const struct dirent *name)
 {
   char c,*s;
 				/* make sure name has prefix */
@@ -1165,15 +1165,16 @@ int mix_select (struct direct *name)
  * Returns: -1 if d1 < d2, 0 if d1 == d2, 1 d1 > d2
  */
 
-int mix_msgfsort (const void *d1,const void *d2)
+int mix_msgfsort (const struct dirent **d1, const struct dirent **d2)
 {
-  char *n1 = (*(struct direct **) d1)->d_name + sizeof (MIXNAME) - 1;
-  char *n2 = (*(struct direct **) d2)->d_name + sizeof (MIXNAME) - 1;
+  const char *n1 = (*d1)->d_name + sizeof (MIXNAME) - 1;
+  const char *n2 = (*d2)->d_name + sizeof (MIXNAME) - 1;
   return compare_ulong (*n1 ? strtoul (n1, NIL, 16) : 0,
                         *n2 ? strtoul (n2, NIL, 16) : 0);
 }
 
 
+
 /* MIX add a range to a set
  * Accepts: pointer to set to add
  *	    start of set

src/osdep/unix/mmdf.c

@@ -379,7 +379,7 @@ long mmdf_isvalid (char *name,char *tmp)
       if ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) {
 	tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
 	tp[1] = sbuf.st_mtime;
-	utime (file,tp);	/* set the times */
+	set_utime_from_tp(file,tp);	/* set the times */
       }
     }
   }
@@ -1131,7 +1131,7 @@ long mmdf_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
   else tp[0] =			/* else preserve \Marked status */
 	 ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) ?
 	 sbuf.st_atime : tp[1];
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp(file,tp);		/* set the times */
   mmdf_unlock (fd,NIL,&lock);	/* unlock and close mailbox */
   if (tstream) {		/* update last UID if we can */
     MMDFLOCAL *local = (MMDFLOCAL *) tstream->local;
@@ -1292,7 +1292,7 @@ long mmdf_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
     ret = NIL;			/* return error */
   }
   else tp[0] = tp[1] - 1;	/* set atime to now-1 if successful copy */
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp(file,tp);		/* set the times */
   fclose (sf);			/* done with scratch file */
 				/* force UIDVALIDITY assignment now */
   if (tstream && !tstream->uid_validity) tstream->uid_validity = time (0);
@@ -1550,7 +1550,7 @@ void mmdf_unlock (int fd,MAILSTREAM *stream,DOTLOCK *lock)
     }
     else now = 0;		/* no time change needed */
 				/* set the times, note change */
-    if (now && !utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+    if (now && !set_utime_from_tp(stream->mailbox,tp)) LOCAL->filetime = tp[1];
   }
   flock (fd,LOCK_UN);		/* release flock'ers */
   if (!stream) close (fd);	/* close the file if no stream */
@@ -2393,7 +2393,7 @@ long mmdf_rewrite (MAILSTREAM *stream,unsigned long *nexp,DOTLOCK *lock,
 				/* set atime to now, mtime a second earlier */
     tp[1] = (tp[0] = time (0)) - 1;
 				/* set the times, note change */
-    if (!utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+    if (!set_utime_from_tp(stream->mailbox,tp)) LOCAL->filetime = tp[1];
     close (LOCAL->fd);		/* close and reopen file */
     if ((LOCAL->fd = open (stream->mailbox,O_RDWR,
 			   (long) mail_parameters (NIL,GET_MBXPROTECTION,NIL)))

src/osdep/unix/mtx.c

@@ -196,7 +196,7 @@ int mtx_isvalid (char *name,char *tmp)
       if (sbuf.st_ctime > sbuf.st_atime) {
 	tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
 	tp[1] = sbuf.st_mtime;
-	utime (file,tp);	/* set the times */
+	set_utime_from_tp(file,tp);	/* set the times */
       }
     }
   }
@@ -565,7 +565,7 @@ void mtx_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags)
     fstat (LOCAL->fd,&sbuf);	/* get current write time */
     tp[1] = LOCAL->filetime = sbuf.st_mtime;
     tp[0] = time (0);		/* make sure read comes after all that */
-    utime (stream->mailbox,tp);
+    set_utime_from_tp(stream->mailbox,tp);
   }
 }
 
@@ -834,7 +834,7 @@ long mtx_expunge (MAILSTREAM *stream,char *sequence,long options)
       fstat (LOCAL->fd,&sbuf);	/* get new write time */
       tp[1] = LOCAL->filetime = sbuf.st_mtime;
       tp[0] = time (0);		/* reset atime to now */
-      utime (stream->mailbox,tp);
+      set_utime_from_tp(stream->mailbox,tp);
       MM_NOCRITICAL (stream);	/* release critical */
 				/* notify upper level of new mailbox size */
       mail_exists (stream,stream->nmsgs);
@@ -929,7 +929,7 @@ long mtx_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
 				/* else preserve \Marked status */
   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
   tp[1] = sbuf.st_mtime;	/* preserve mtime */
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp(file,tp);		/* set the times */
   close (fd);			/* close the file */
   unlockfd (ld,lock);		/* release exclusive parse/append permission */
   MM_NOCRITICAL (stream);	/* release critical */
@@ -946,7 +946,7 @@ long mtx_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
       fstat (LOCAL->fd,&sbuf);	/* get current write time */
       tp[1] = LOCAL->filetime = sbuf.st_mtime;
       tp[0] = time (0);		/* make sure atime remains greater */
-      utime (stream->mailbox,tp);
+      set_utime_from_tp(stream->mailbox,tp);
     }
   }
   if (ret && mail_parameters (NIL,GET_COPYUID,NIL))
@@ -1062,7 +1062,7 @@ long mtx_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
 				/* else preserve \Marked status */
   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
   tp[1] = sbuf.st_mtime;	/* preserve mtime */
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp(file,tp);		/* set the times */
   fclose (df);			/* close the file */
   unlockfd (ld,lock);		/* release exclusive parse/append permission */
   MM_NOCRITICAL (stream);	/* release critical */
@@ -1212,7 +1212,7 @@ long mtx_parse (MAILSTREAM *stream)
     time_t tp[2];
     tp[0] = time (0);
     tp[1] = LOCAL->filetime;
-    utime (stream->mailbox,tp);
+    set_utime_from_tp(stream->mailbox,tp);
   }
   stream->silent = silent;	/* can pass up events now */
   mail_exists (stream,nmsgs);	/* notify upper level of new mailbox size */
@@ -1312,7 +1312,7 @@ void mtx_update_status (MAILSTREAM *stream,unsigned long msgno,long syncflag)
       fstat (LOCAL->fd,&sbuf);	/* get new write time */
       tp[1] = LOCAL->filetime = sbuf.st_mtime;
       tp[0] = time (0);		/* make sure read is later */
-      utime (stream->mailbox,tp);
+      set_utime_from_tp(stream->mailbox,tp);
     }
   }
 }

src/osdep/unix/mx.c

@@ -98,8 +98,8 @@ long mx_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
 long mx_append_msg (MAILSTREAM *stream,char *flags,MESSAGECACHE *elt,
 		    STRING *st,SEARCHSET *set);
 
-int mx_select (struct direct *name);
-int mx_numsort (const void *d1,const void *d2);
+int mx_select (const struct dirent *name);
+int mx_numsort (const struct dirent **d1, const struct dirent **d2);
 char *mx_file (char *dst,char *name);
 long mx_lockindex (MAILSTREAM *stream);
 void mx_unlockindex (MAILSTREAM *stream);
@@ -1110,7 +1110,7 @@ long mx_append_msg (MAILSTREAM *stream,char *flags,MESSAGECACHE *elt,
  * Returns: T to use file name, NIL to skip it
  */
 
-int mx_select (struct direct *name)
+int mx_select (const struct dirent *name)
 {
   char c;
   char *s = name->d_name;
@@ -1125,10 +1125,9 @@ int mx_select (struct direct *name)
  * Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
  */
 
-int mx_numsort (const void *d1,const void *d2)
+int mx_numsort (const struct dirent **d1, const struct dirent **d2)
 {
-  return atoi ((*(struct direct **) d1)->d_name) -
-    atoi ((*(struct direct **) d2)->d_name);
+  return atoi ((*d1)->d_name) - atoi ((*d2)->d_name);
 }
 
 
@@ -1283,5 +1282,5 @@ void mx_setdate (char *file,MESSAGECACHE *elt)
   time_t tp[2];
   tp[0] = time (0);		/* atime is now */
   tp[1] = mail_longdate (elt);	/* modification time */
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp(file,tp);		/* set the times */
 }

src/osdep/unix/news.c

@@ -76,8 +76,12 @@ long news_create (MAILSTREAM *stream,char *mailbox);
 long news_delete (MAILSTREAM *stream,char *mailbox);
 long news_rename (MAILSTREAM *stream,char *old,char *newname);
 MAILSTREAM *news_open (MAILSTREAM *stream);
-int news_select (struct direct *name);
-int news_numsort (const void *d1,const void *d2);
+
+#include <dirent.h>   /* falls nicht schon drin */
+
+int news_select (const struct dirent *name);
+int news_numsort (const struct dirent **d1, const struct dirent **d2);
+
 void news_close (MAILSTREAM *stream,long options);
 void news_fast (MAILSTREAM *stream,char *sequence,long flags);
 void news_flags (MAILSTREAM *stream,char *sequence,long flags);
@@ -402,7 +406,8 @@ MAILSTREAM *news_open (MAILSTREAM *stream)
  * Returns: T to use file name, NIL to skip it
  */
 
-int news_select (struct direct *name)
+int news_select (const struct dirent *name)
+
 {
   char c;
   char *s = name->d_name;
@@ -417,7 +422,8 @@ int news_select (struct direct *name)
  * Returns: negative if d1 < d2, 0 if d1 == d2, postive if d1 > d2
  */
 
-int news_numsort (const void *d1,const void *d2)
+int news_numsort (const struct dirent **d1, const struct dirent **d2)
+
 {
   return atoi ((*(struct direct **) d1)->d_name) -
     atoi ((*(struct direct **) d2)->d_name);

src/osdep/unix/os_slx.h

@@ -50,6 +50,26 @@
 #include <syslog.h>
 #include <sys/file.h>
 
+#include <utime.h>
+
+static inline int set_utime_from_tp (const char *path, time_t *tp)
+{
+  struct utimbuf ub;
+  ub.actime  = tp[0];
+  ub.modtime = tp[1];
+  return utime (path, &ub);
+}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int safe_flock (int fd, int operation);
+
+#ifdef __cplusplus
+}
+#endif
+
 
 /* Linux gets this wrong */
 

src/osdep/unix/ssl_unix.c

@@ -227,8 +227,16 @@ static char *ssl_start_work (SSLSTREAM *stream,char *host,unsigned long flags)
 				/* disable certificate validation? */
   if (flags & NET_NOVALIDATECERT)
     SSL_CTX_set_verify (stream->context,SSL_VERIFY_NONE,NIL);
-  else SSL_CTX_set_verify (stream->context,SSL_VERIFY_PEER,ssl_open_verify);
+  else {
+#if OPENSSL_VERSION_NUMBER >= 0x10100000      
+      X509_VERIFY_PARAM *param = SSL_CTX_get0_param(stream->context);
+      X509_VERIFY_PARAM_set_hostflags(param, X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
+      X509_VERIFY_PARAM_set1_host(param, host, 0);
+#endif
+
+      SSL_CTX_set_verify (stream->context,SSL_VERIFY_PEER,ssl_open_verify);
 				/* set default paths to CAs... */
+  }
   SSL_CTX_set_default_verify_paths (stream->context);
 				/* ...unless a non-standard path desired */
   if (s = (char *) mail_parameters (NIL,GET_SSLCAPATH,NIL))
@@ -266,6 +274,7 @@ static char *ssl_start_work (SSLSTREAM *stream,char *host,unsigned long flags)
   if (SSL_write (stream->con,"",0) < 0)
     return ssl_last_error ? ssl_last_error : "SSL negotiation failed";
 				/* need to validate host names? */
+#if OPENSSL_VERSION_NUMBER < 0x10100000
   if (!(flags & NET_NOVALIDATECERT) &&
       (err = ssl_validate_cert (cert = SSL_get_peer_certificate (stream->con),
 				host))) {
@@ -275,6 +284,7 @@ static char *ssl_start_work (SSLSTREAM *stream,char *host,unsigned long flags)
     sprintf (tmp,"*%.128s: %.255s",err,cert ? cert->name : "???");
     return ssl_last_error = cpystr (tmp);
   }
+#endif
   return NIL;
 }
 
@@ -313,6 +323,7 @@ static int ssl_open_verify (int ok,X509_STORE_CTX *ctx)
  * Returns: NIL if validated, else string of error message
  */
 
+#if OPENSSL_VERSION_NUMBER < 0x10100000
 static char *ssl_validate_cert (X509 *cert,char *host)
 {
   int i,n;
@@ -342,6 +353,7 @@ static char *ssl_validate_cert (X509 *cert,char *host)
   else ret = "Unable to locate common name in certificate";
   return ret;
 }
+#endif
 
 /* Case-independent wildcard pattern match
  * Accepts: base string

src/osdep/unix/tenex.c

@@ -203,7 +203,7 @@ int tenex_isvalid (char *name,char *tmp)
       if (sbuf.st_ctime > sbuf.st_atime) {
 	tp[0] = sbuf.st_atime;	/* preserve atime and mtime */
 	tp[1] = sbuf.st_mtime;
-	utime (file,tp);	/* set the times */
+	set_utime_from_tp(file,tp);	/* set the times */
       }
     }
   }
@@ -654,7 +654,7 @@ void tenex_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags)
     fstat (LOCAL->fd,&sbuf);	/* get current write time */
     tp[1] = LOCAL->filetime = sbuf.st_mtime;
     tp[0] = time (0);		/* make sure read comes after all that */
-    utime (stream->mailbox,tp);
+    set_utime_from_tp(stream->mailbox,tp);
   }
 }
 
@@ -924,7 +924,7 @@ long tenex_expunge (MAILSTREAM *stream,char *sequence,long options)
       fstat (LOCAL->fd,&sbuf);	/* get new write time */
       tp[1] = LOCAL->filetime = sbuf.st_mtime;
       tp[0] = time (0);		/* reset atime to now */
-      utime (stream->mailbox,tp);
+      set_utime_from_tp(stream->mailbox,tp);
       MM_NOCRITICAL (stream);	/* release critical */
 				/* notify upper level of new mailbox size */
       mail_exists (stream,stream->nmsgs);
@@ -1019,7 +1019,7 @@ long tenex_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
 				/* else preserve \Marked status */
   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
   tp[1] = sbuf.st_mtime;	/* preserve mtime */
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp(file,tp);		/* set the times */
   close (fd);			/* close the file */
   unlockfd (ld,lock);		/* release exclusive parse/append permission */
   MM_NOCRITICAL (stream);	/* release critical */
@@ -1036,7 +1036,7 @@ long tenex_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
       fstat (LOCAL->fd,&sbuf);	/* get current write time */
       tp[1] = LOCAL->filetime = sbuf.st_mtime;
       tp[0] = time (0);		/* make sure atime remains greater */
-      utime (stream->mailbox,tp);
+      set_utime_from_tp(stream->mailbox,tp);
     }
   }
   if (ret && mail_parameters (NIL,GET_COPYUID,NIL))
@@ -1159,7 +1159,7 @@ long tenex_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
 				/* else preserve \Marked status */
   else tp[0] = (sbuf.st_ctime > sbuf.st_atime) ? sbuf.st_atime : time(0);
   tp[1] = sbuf.st_mtime;	/* preserve mtime */
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp(file,tp);		/* set the times */
   fclose (df);			/* close the file */
   unlockfd (ld,lock);		/* release exclusive parse/append permission */
   MM_NOCRITICAL (stream);	/* release critical */
@@ -1324,7 +1324,7 @@ long tenex_parse (MAILSTREAM *stream)
     time_t tp[2];
     tp[0] = time (0);
     tp[1] = LOCAL->filetime;
-    utime (stream->mailbox,tp);
+    set_utime_from_tp(stream->mailbox,tp);
   }
   stream->silent = silent;	/* can pass up events now */
   mail_exists (stream,nmsgs);	/* notify upper level of new mailbox size */
@@ -1424,7 +1424,7 @@ void tenex_update_status (MAILSTREAM *stream,unsigned long msgno,long syncflag)
       fstat (LOCAL->fd,&sbuf);	/* get new write time */
       tp[1] = LOCAL->filetime = sbuf.st_mtime;
       tp[0] = time (0);		/* make sure read is later */
-      utime (stream->mailbox,tp);
+      set_utime_from_tp(stream->mailbox,tp);
     }
   }
 }

src/osdep/unix/unix.c

@@ -45,6 +45,7 @@ extern int errno;		/* just in case */
 #include "mail.h"
 #include "osdep.h"
 #include <time.h>
+#include <utime.h>
 #include <sys/stat.h>
 #include "unix.h"
 #include "pseudo.h"
@@ -228,7 +229,7 @@ DRIVER *unix_valid (char *name)
       if ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) {
 	tp[0] = sbuf.st_atime;	/* yes, preserve atime and mtime */
 	tp[1] = sbuf.st_mtime;
-	utime (file,tp);	/* set the times */
+	set_utime_from_tp (file,tp);	/* set the times */
       }
     }
   }
@@ -995,7 +996,7 @@ long unix_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
   else tp[0] =			/* else preserve \Marked status */
 	 ((sbuf.st_ctime > sbuf.st_atime) || (sbuf.st_mtime > sbuf.st_atime)) ?
 	 sbuf.st_atime : tp[1];
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp (file,tp);		/* set the times */
   unix_unlock (fd,NIL,&lock);	/* unlock and close mailbox */
   if (tstream) {		/* update last UID if we can */
     UNIXLOCAL *local = (UNIXLOCAL *) tstream->local;
@@ -1156,7 +1157,7 @@ long unix_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
     ret = NIL;			/* return error */
   }
   else tp[0] = tp[1] - 1;	/* set atime to now-1 if successful copy */
-  utime (file,tp);		/* set the times */
+  set_utime_from_tp (file,tp);		/* set the times */
   fclose (sf);			/* done with scratch file */
 				/* force UIDVALIDITY assignment now */
   if (tstream && !tstream->uid_validity) tstream->uid_validity = time (0);
@@ -1421,7 +1422,7 @@ void unix_unlock (int fd,MAILSTREAM *stream,DOTLOCK *lock)
     }
     else now = 0;		/* no time change needed */
 				/* set the times, note change */
-    if (now && !utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+    if (now && !set_utime_from_tp (stream->mailbox,tp)) LOCAL->filetime = tp[1];
   }
   flock (fd,LOCK_UN);		/* release flock'ers */
   if (!stream) close (fd);	/* close the file if no stream */
@@ -2247,7 +2248,7 @@ long unix_rewrite (MAILSTREAM *stream,unsigned long *nexp,DOTLOCK *lock,
 				/* set atime to now, mtime a second earlier */
     tp[1] = (tp[0] = time (0)) - 1;
 				/* set the times, note change */
-    if (!utime (stream->mailbox,tp)) LOCAL->filetime = tp[1];
+    if (!set_utime_from_tp (stream->mailbox,tp)) LOCAL->filetime = tp[1];
     close (LOCAL->fd);		/* close and reopen file */
     if ((LOCAL->fd = open (stream->mailbox,O_RDWR,
 			   (long) mail_parameters (NIL,GET_MBXPROTECTION,NIL)))

src/tmail/tmail.c

@@ -35,6 +35,7 @@ extern int errno;		/* just in case */
 #include <sys/stat.h>
 #include "c-client.h"
 #include "tquota.h"
+#include <ctype.h>
 
 
 /* Globals */

supplemental/patches/1006_openssl1.1_autoverify.patch

@@ -0,0 +1,58 @@
+Description: Support OpenSSL 1.1
+ When building with OpenSSL 1.1 and newer, use the new built-in
+ hostname verification instead of code that doesn't compile due to
+ structs having been made opaque.
+Bug-Debian: https://bugs.debian.org/828589
+
+--- a/src/osdep/unix/ssl_unix.c
++++ b/src/osdep/unix/ssl_unix.c
+@@ -227,8 +227,16 @@ static char *ssl_start_work (SSLSTREAM *
+ 				/* disable certificate validation? */
+   if (flags & NET_NOVALIDATECERT)
+     SSL_CTX_set_verify (stream->context,SSL_VERIFY_NONE,NIL);
+-  else SSL_CTX_set_verify (stream->context,SSL_VERIFY_PEER,ssl_open_verify);
++  else {
++#if OPENSSL_VERSION_NUMBER >= 0x10100000      
++      X509_VERIFY_PARAM *param = SSL_CTX_get0_param(stream->context);
++      X509_VERIFY_PARAM_set_hostflags(param, X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
++      X509_VERIFY_PARAM_set1_host(param, host, 0);
++#endif
++
++      SSL_CTX_set_verify (stream->context,SSL_VERIFY_PEER,ssl_open_verify);
+ 				/* set default paths to CAs... */
++  }
+   SSL_CTX_set_default_verify_paths (stream->context);
+ 				/* ...unless a non-standard path desired */
+   if (s = (char *) mail_parameters (NIL,GET_SSLCAPATH,NIL))
+@@ -266,6 +274,7 @@ static char *ssl_start_work (SSLSTREAM *
+   if (SSL_write (stream->con,"",0) < 0)
+     return ssl_last_error ? ssl_last_error : "SSL negotiation failed";
+ 				/* need to validate host names? */
++#if OPENSSL_VERSION_NUMBER < 0x10100000
+   if (!(flags & NET_NOVALIDATECERT) &&
+       (err = ssl_validate_cert (cert = SSL_get_peer_certificate (stream->con),
+ 				host))) {
+@@ -275,6 +284,7 @@ static char *ssl_start_work (SSLSTREAM *
+     sprintf (tmp,"*%.128s: %.255s",err,cert ? cert->name : "???");
+     return ssl_last_error = cpystr (tmp);
+   }
++#endif
+   return NIL;
+ }
+ 
+@@ -313,6 +323,7 @@ static int ssl_open_verify (int ok,X509_
+  * Returns: NIL if validated, else string of error message
+  */
+ 
++#if OPENSSL_VERSION_NUMBER < 0x10100000
+ static char *ssl_validate_cert (X509 *cert,char *host)
+ {
+   int i,n;
+@@ -342,6 +353,7 @@ static char *ssl_validate_cert (X509 *ce
+   else ret = "Unable to locate common name in certificate";
+   return ret;
+ }
++#endif
+ 
+ /* Case-independent wildcard pattern match
+  * Accepts: base string

supplemental/patches/README.md

@@ -0,0 +1,5 @@
+#Patches
+
+The patches contained here are sourced from the [Fedora Package Sources rpms repository](https://src.fedoraproject.org/rpms/uw-imap/tree/f29).
+
+All but the imap-2007e-system_c_client.patch have been applied (see https://github.com/uw-imap/imap/commit/9eb7bb9d595b0b56b5f7b751fad58059b888a0fa#commitcomment-31836821)

supplemental/patches/imap-2004a-doc.patch

@@ -0,0 +1,30 @@
+Patch by Robert Scheck <redhat@linuxnetz.de> for uw-imap >= 2004a, which corrects
+paths to imapd, ipop2d and ipop3d in the man pages. 
+
+This patch is based on Red Hat Bugzilla ID #127271 and solves ID #229781.
+
+--- imap-2004a/src/imapd/imapd.8		2004-05-18 19:46:54.000000000 +0200
++++ imap-2004a/src/imapd/imapd.8.doc		2004-07-23 15:24:17.000000000 +0200
+@@ -3,7 +3,7 @@
+ .SH NAME
+ IMAPd \- Internet Message Access Protocol server
+ .SH SYNOPSIS
+-.B /usr/etc/imapd
++.B /usr/sbin/imapd
+ .SH DESCRIPTION
+ .I imapd
+ is a server which supports the
+--- imap-2004a/src/ipopd/ipopd.8		2004-05-18 19:50:05.000000000 +0200
++++ imap-2004a/src/ipopd/ipopd.8.doc		2004-07-23 15:23:38.000000000 +0200
+@@ -3,9 +3,9 @@
+ .SH NAME
+ IPOPd \- Post Office Protocol server
+ .SH SYNOPSIS
+-.B /usr/etc/ipop2d
++.B /usr/sbin/ipop2d
+ .PP
+-.B /usr/etc/ipop3d
++.B /usr/sbin/ipop3d
+ .SH DESCRIPTION
+ .I ipop2d
+ and

supplemental/patches/imap-2007-paths.patch

@@ -0,0 +1,18 @@
+diff -up imap-2007/src/osdep/unix/Makefile.paths imap-2007/src/osdep/unix/Makefile
+--- imap-2007/src/osdep/unix/Makefile.paths	2007-12-17 16:10:24.000000000 -0600
++++ imap-2007/src/osdep/unix/Makefile	2007-12-21 09:30:04.000000000 -0600
+@@ -96,11 +96,11 @@ CHECKPW=std
+ LOGINPW=std
+ SIGTYPE=bsd
+ CRXTYPE=std
+-ACTIVEFILE=/usr/lib/news/active
+-SPOOLDIR=/usr/spool
++ACTIVEFILE=/var/lib/news/active
++SPOOLDIR=/var/spool
+ MAILSPOOL=$(SPOOLDIR)/mail
+ NEWSSPOOL=$(SPOOLDIR)/news
+-RSHPATH=/usr/ucb/rsh
++RSHPATH=/usr/bin/rsh
+ MD5PWD=/etc/cram-md5.pwd
+ # Tries one of the test alternatives below if not specified.
+ LOCKPGM=

supplemental/patches/imap-2007e-authmd5.patch

@@ -0,0 +1,29 @@
+diff -up imap-2007e/src/c-client/auth_md5.c.authmd5 imap-2007e/src/c-client/auth_md5.c
+--- imap-2007e/src/c-client/auth_md5.c.authmd5	2008-06-04 13:18:34.000000000 -0500
++++ imap-2007e/src/c-client/auth_md5.c	2009-07-07 19:24:12.348005485 -0500
+@@ -42,17 +42,17 @@ typedef struct {
+ 
+ /* Prototypes */
+ 
+-long auth_md5_valid (void);
+-long auth_md5_client (authchallenge_t challenger,authrespond_t responder,
++static long auth_md5_valid (void);
++static long auth_md5_client (authchallenge_t challenger,authrespond_t responder,
+ 		      char *service,NETMBX *mb,void *stream,
+ 		      unsigned long *trial,char *user);
+-char *auth_md5_server (authresponse_t responder,int argc,char *argv[]);
+-char *auth_md5_pwd (char *user);
++static char *auth_md5_server (authresponse_t responder,int argc,char *argv[]);
++static char *auth_md5_pwd (char *user);
+ char *apop_login (char *chal,char *user,char *md5,int argc,char *argv[]);
+-char *hmac_md5 (char *text,unsigned long tl,char *key,unsigned long kl);
+-void md5_init (MD5CONTEXT *ctx);
+-void md5_update (MD5CONTEXT *ctx,unsigned char *data,unsigned long len);
+-void md5_final (unsigned char *digest,MD5CONTEXT *ctx);
++static char *hmac_md5 (char *text,unsigned long tl,char *key,unsigned long kl);
++static void md5_init (MD5CONTEXT *ctx);
++static void md5_update (MD5CONTEXT *ctx,unsigned char *data,unsigned long len);
++static void md5_final (unsigned char *digest,MD5CONTEXT *ctx);
+ static void md5_transform (unsigned long *state,unsigned char *block);
+ static void md5_encode (unsigned char *dst,unsigned long *src,int len);
+ static void md5_decode (unsigned long *dst,unsigned char *src,int len);

supplemental/patches/imap-2007e-overflow.patch

@@ -0,0 +1,13 @@
+diff -up imap-2007e/src/c-client/rfc822.c.overflow imap-2007e/src/c-client/rfc822.c
+--- imap-2007e/src/c-client/rfc822.c.overflow	2008-12-12 11:08:26.000000000 -0600
++++ imap-2007e/src/c-client/rfc822.c	2009-07-07 19:27:20.057772757 -0500
+@@ -384,6 +384,9 @@ void rfc822_parse_content (BODY *body,ST
+ 	if (CHR (bs) == '\012'){/* following LF? */
+ 	  c = SNX (bs); i--;	/* yes, slurp it */
+ 	}
++	if (!i)			/* Make sure we don't get an overflow for */
++	  break;		/* messages ending on \015 (or the following */
++				/* i-- will cause i to be MAXINT. Not good.) */
+       case '\012':		/* at start of a line, start with -- ? */
+ 	if (!(i && i-- && ((c = SNX (bs)) == '-') && i-- &&
+ 	      ((c = SNX (bs)) == '-'))) break;

supplemental/patches/imap-2007e-poll.patch

@@ -0,0 +1,192 @@
+http://anonscm.debian.org/cgit/collab-maint/uw-imap.git/plain/debian/patches/1005_poll.patch
+
+Description: Use poll(2) instead of select(2) to support more than 1024 file descriptors
+Author: Ben Smithurst <ben.smithurst@gradwell.com>
+Bug-Debian: https://bugs.debian.org/478193
+
+diff --git a/src/osdep/unix/os_lnx.c b/src/osdep/unix/os_lnx.c
+index 03fd17d..671bbd6 100644
+--- a/src/osdep/unix/os_lnx.c
++++ b/src/osdep/unix/os_lnx.c
+@@ -41,6 +41,7 @@
+ extern int errno;		/* just in case */
+ #include <pwd.h>
+ #include "misc.h"
++#include <poll.h>
+ 
+ 
+ #include "fs_unix.c"
+diff --git a/src/osdep/unix/os_slx.c b/src/osdep/unix/os_slx.c
+index c94d632..f6bf27d 100644
+--- a/src/osdep/unix/os_slx.c
++++ b/src/osdep/unix/os_slx.c
+@@ -42,6 +42,7 @@ extern int errno;		/* just in case */
+ #include <pwd.h>
+ #include <shadow.h>
+ #include "misc.h"
++#include <poll.h>
+ 
+ 
+ #include "fs_unix.c"
+diff --git a/src/osdep/unix/tcp_unix.c b/src/osdep/unix/tcp_unix.c
+index 795fb4f..c69eaec 100644
+--- a/src/osdep/unix/tcp_unix.c
++++ b/src/osdep/unix/tcp_unix.c
+@@ -235,12 +235,11 @@ TCPSTREAM *tcp_open (char *host,char *service,unsigned long port)
+ int tcp_socket_open (int family,void *adr,size_t adrlen,unsigned short port,
+ 		     char *tmp,int *ctr,char *hst)
+ {
+-  int i,ti,sock,flgs;
++  int i,ti,sock,flgs,tmo;
++  struct pollfd pfd;
+   size_t len;
+   time_t now;
+   struct protoent *pt = getprotobyname ("tcp");
+-  fd_set rfds,wfds,efds;
+-  struct timeval tmo;
+   struct sockaddr *sadr = ip_sockaddr (family,adr,adrlen,port,&len);
+   blocknotify_t bn = (blocknotify_t) mail_parameters (NIL,GET_BLOCKNOTIFY,NIL);
+ 				/* fetid Solaris */
+@@ -252,14 +251,6 @@ int tcp_socket_open (int family,void *adr,size_t adrlen,unsigned short port,
+     sprintf (tmp,"Unable to create TCP socket: %s",strerror (errno));
+     (*bn) (BLOCK_NONSENSITIVE,data);
+   }
+-  else if (sock >= FD_SETSIZE) {/* unselectable sockets are useless */
+-    sprintf (tmp,"Unable to create selectable TCP socket (%d >= %d)",
+-	     sock,FD_SETSIZE);
+-    (*bn) (BLOCK_NONSENSITIVE,data);
+-    close (sock);
+-    sock = -1;
+-    errno = EMFILE;
+-  }
+ 
+   else {			/* get current socket flags */
+     flgs = fcntl (sock,F_GETFL,0);
+@@ -284,16 +275,11 @@ int tcp_socket_open (int family,void *adr,size_t adrlen,unsigned short port,
+     if ((sock >= 0) && ctr) {	/* want open timeout? */
+       now = time (0);		/* open timeout */
+       ti = ttmo_open ? now + ttmo_open : 0;
+-      tmo.tv_usec = 0;
+-      FD_ZERO (&rfds);		/* initialize selection vector */
+-      FD_ZERO (&wfds);		/* initialize selection vector */
+-      FD_ZERO (&efds);		/* handle errors too */
+-      FD_SET (sock,&rfds);	/* block for error or readable or writable */
+-      FD_SET (sock,&wfds);
+-      FD_SET (sock,&efds);
++      pfd.fd = sock;
++      pfd.events = POLLIN | POLLOUT;
+       do {			/* block under timeout */
+-	tmo.tv_sec = ti ? ti - now : 0;
+-	i = select (sock+1,&rfds,&wfds,&efds,ti ? &tmo : NIL);
++	tmo = ti ? ti - now : 0;
++	i = poll (&pfd, 1, ti ? tmo * 1000 : -1);
+ 	now = time (0);		/* fake timeout if interrupt & time expired */
+ 	if ((i < 0) && (errno == EINTR) && ti && (ti <= now)) i = 0;
+       } while ((i < 0) && (errno == EINTR));
+@@ -302,7 +288,7 @@ int tcp_socket_open (int family,void *adr,size_t adrlen,unsigned short port,
+ 	fcntl (sock,F_SETFL,flgs);
+ 	/* This used to be a zero-byte read(), but that crashes Solaris */
+ 				/* get socket status */
+-	if(FD_ISSET(sock, &rfds)) while (((i = *ctr = read (sock,tmp,1)) < 0) && (errno == EINTR));
++	if(pfd.revents & POLLIN) while (((i = *ctr = read (sock,tmp,1)) < 0) && (errno == EINTR));
+       }	
+       if (i <= 0) {		/* timeout or error? */
+ 	i = i ? errno : ETIMEDOUT;/* determine error code */
+@@ -545,9 +531,8 @@ long tcp_getbuffer (TCPSTREAM *stream,unsigned long size,char *s)
+     stream->ictr -=n;
+   }
+   if (size) {
+-    int i;
+-    fd_set fds,efds;
+-    struct timeval tmo;
++    int i, tmo;
++    struct pollfd pfd;
+     time_t t = time (0);
+     blocknotify_t bn=(blocknotify_t) mail_parameters (NIL,GET_BLOCKNOTIFY,NIL);
+     (*bn) (BLOCK_TCPREAD,NIL);
+@@ -556,16 +541,13 @@ long tcp_getbuffer (TCPSTREAM *stream,unsigned long size,char *s)
+       time_t now = tl;
+       time_t ti = ttmo_read ? now + ttmo_read : 0;
+       if (tcpdebug) mm_log ("Reading TCP buffer",TCPDEBUG);
+-      tmo.tv_usec = 0;
+-      FD_ZERO (&fds);		/* initialize selection vector */
+-      FD_ZERO (&efds);		/* handle errors too */
+-				/* set bit in selection vectors */
+-      FD_SET (stream->tcpsi,&fds);
+-      FD_SET (stream->tcpsi,&efds);
++
++      pfd.events = POLLIN;
++      pfd.fd = stream->tcpsi;
+       errno = NIL;		/* initially no error */
+       do {			/* block under timeout */
+-	tmo.tv_sec = ti ? ti - now : 0;
+-	i = select (stream->tcpsi+1,&fds,NIL,&efds,ti ? &tmo : NIL);
++	tmo = ti ? ti - now : 0;
++	i = poll (&pfd, 1, ti ? tmo * 1000 : -1);
+ 	now = time (0);		/* fake timeout if interrupt & time expired */
+ 	if ((i < 0) && (errno == EINTR) && ti && (ti <= now)) i = 0;
+       } while ((i < 0) && (errno == EINTR));
+@@ -605,9 +587,8 @@ long tcp_getbuffer (TCPSTREAM *stream,unsigned long size,char *s)
+ 
+ long tcp_getdata (TCPSTREAM *stream)
+ {
+-  int i;
+-  fd_set fds,efds;
+-  struct timeval tmo;
++  int i, tmo;
++  struct pollfd pfd;
+   time_t t = time (0);
+   blocknotify_t bn = (blocknotify_t) mail_parameters (NIL,GET_BLOCKNOTIFY,NIL);
+   if (stream->tcpsi < 0) return NIL;
+@@ -617,15 +598,12 @@ long tcp_getdata (TCPSTREAM *stream)
+     time_t now = tl;
+     time_t ti = ttmo_read ? now + ttmo_read : 0;
+     if (tcpdebug) mm_log ("Reading TCP data",TCPDEBUG);
+-    tmo.tv_usec = 0;
+-    FD_ZERO (&fds);		/* initialize selection vector */
+-    FD_ZERO (&efds);		/* handle errors too */
+-    FD_SET (stream->tcpsi,&fds);/* set bit in selection vectors */
+-    FD_SET (stream->tcpsi,&efds);
++    pfd.fd = stream->tcpsi;
++    pfd.events = POLLIN;
+     errno = NIL;		/* initially no error */
+     do {			/* block under timeout */
+-      tmo.tv_sec = ti ? ti - now : 0;
+-      i = select (stream->tcpsi+1,&fds,NIL,&efds,ti ? &tmo : NIL);
++      tmo = ti ? ti - now : 0;
++      i = poll (&pfd, 1, ti ? tmo * 1000 : -1);
+       now = time (0);		/* fake timeout if interrupt & time expired */
+       if ((i < 0) && (errno == EINTR) && ti && (ti <= now)) i = 0;
+     } while ((i < 0) && (errno == EINTR));
+@@ -677,9 +655,8 @@ long tcp_soutr (TCPSTREAM *stream,char *string)
+ 
+ long tcp_sout (TCPSTREAM *stream,char *string,unsigned long size)
+ {
+-  int i;
+-  fd_set fds,efds;
+-  struct timeval tmo;
++  int i, tmo;
++  struct pollfd pfd;
+   time_t t = time (0);
+   blocknotify_t bn = (blocknotify_t) mail_parameters (NIL,GET_BLOCKNOTIFY,NIL);
+   if (stream->tcpso < 0) return NIL;
+@@ -689,15 +666,12 @@ long tcp_sout (TCPSTREAM *stream,char *string,unsigned long size)
+     time_t now = tl;
+     time_t ti = ttmo_write ? now + ttmo_write : 0;
+     if (tcpdebug) mm_log ("Writing to TCP",TCPDEBUG);
+-    tmo.tv_usec = 0;
+-    FD_ZERO (&fds);		/* initialize selection vector */
+-    FD_ZERO (&efds);		/* handle errors too */
+-    FD_SET (stream->tcpso,&fds);/* set bit in selection vector */
+-    FD_SET(stream->tcpso,&efds);/* set bit in error selection vector */
++    pfd.fd = stream->tcpso;
++    pfd.events = POLLOUT;
+     errno = NIL;		/* block and write */
+     do {			/* block under timeout */
+-      tmo.tv_sec = ti ? ti - now : 0;
+-      i = select (stream->tcpso+1,NIL,&fds,&efds,ti ? &tmo : NIL);
++      tmo = ti ? ti - now : 0;
++      i = poll (&pfd, 1, ti ? tmo * 1000 : -1);
+       now = time (0);		/* fake timeout if interrupt & time expired */
+       if ((i < 0) && (errno == EINTR) && ti && (ti <= now)) i = 0;
+     } while ((i < 0) && (errno == EINTR));

supplemental/patches/imap-2007e-shared.patch

@@ -0,0 +1,74 @@
+diff -up imap-2007e/src/osdep/unix/Makefile.shared imap-2007e/src/osdep/unix/Makefile
+--- imap-2007e/src/osdep/unix/Makefile.shared	2009-07-07 19:28:02.909755512 -0500
++++ imap-2007e/src/osdep/unix/Makefile	2009-07-07 19:29:35.870006799 -0500
+@@ -170,6 +170,10 @@ BUILD=$(MAKE) build EXTRACFLAGS='$(EXTRA
+  EXTRADRIVERS='$(EXTRADRIVERS)' EXTRAAUTHENTICATORS='$(EXTRAAUTHENTICATORS)'\
+  PASSWDTYPE=$(PASSWDTYPE) SSLTYPE=$(SSLTYPE) IP=$(IP)
+ 
++# Need this for the shared library rule to work correctly
++.SUFFIXES: .o .so
++SOFILES=${BINARIES:.o=.so}
++
+ 
+ # Here if no make argument established
+ 
+@@ -845,18 +849,24 @@ vu2:	# VAX Ultrix 2.3, etc.
+ 
+ # Build it!
+ 
+-build:	clean once $(ARCHIVE)
++build:	clean once $(ARCHIVE) $(SHLIBNAME)
+ 
+-all:	$(ARCHIVE)
++all:	$(ARCHIVE) $(SHLIBNAME)
+ 
+ $(ARCHIVE): $(BINARIES)
+ 	sh -c '$(RM) $(ARCHIVE) || true'
+ 	@$(CAT) ARCHIVE
+ 	@$(SH) ARCHIVE
+ 
+-.c.o:
+-	`$(CAT) CCTYPE` -c `$(CAT) CFLAGS` $*.c
++$(SHLIBNAME):	$(SOFILES)
++	gcc -shared -Wl,-soname,$(SHLIBNAME) -o $(SHLIBNAME) $(SOFILES) `cat LDFLAGS`
++	ln -s $(SHLIBNAME) lib$(SHLIBBASE).so
+ 
++.c.so:	osdep.h
++	$(CC) -fPIC -DPIC -D_REENTRANT -c `$(CAT) CFLAGS` ${@:.so=.c} -o $@
++
++.c.o:
++	$(CC) -fPIC -DPIC -D_REENTRANT -c `$(CAT) CFLAGS` $*.c
+ 
+ # Cleanup
+ 
+@@ -895,8 +905,7 @@ utf8aux.o: mail.h misc.h osdep.h utf8.h
+ 
+ 
+ # OS-dependent
+-
+-osdep.o:mail.h misc.h env.h fs.h ftl.h nl.h tcp.h \
++OSDEPS= mail.h misc.h env.h fs.h ftl.h nl.h tcp.h \
+ 	osdep.h env_unix.h tcp_unix.h \
+ 	osdep.c env_unix.c fs_unix.c ftl_unix.c nl_unix.c tcp_unix.c ip_unix.c\
+ 	auths.c crexcl.c flockcyg.c flocklnx.c flocksim.c fsync.c \
+@@ -910,12 +919,19 @@ osdep.o:mail.h misc.h env.h fs.h ftl.h n
+ 	write.c sslstdio.c \
+ 	strerror.c strpbrk.c strstr.c strtok.c strtoul.c \
+ 	OSCFLAGS
++
++osdep.o:	$(OSDEPS)
++	$(CC) -fPIC -DPIC -D_REENTRANT `$(CAT) CFLAGS` `$(CAT) OSCFLAGS` -c osdep.c
++	@echo ========================================================================
+ 	@echo Building OS-dependent module
+ 	@echo If you get No such file error messages for files x509.h, ssl.h,
+ 	@echo pem.h, buffer.h, bio.h, and crypto.h, that means that OpenSSL
+ 	@echo is not installed on your system.  Either install OpenSSL first
+ 	@echo or build with command: make `$(CAT) OSTYPE` SSLTYPE=none
+-	`$(CAT) CCTYPE` -c `$(CAT) CFLAGS` `$(CAT) OSCFLAGS` -c osdep.c
++	@echo ========================================================================
++
++osdep.so:	$(OSDEPS)
++	$(CC) -fPIC -DPIC -D_REENTRANT `$(CAT) CFLAGS` `cat OSCFLAGS` -c osdep.c -o $@
+ 
+ osdep.c: osdepbas.c osdepckp.c osdeplog.c osdepssl.c
+ 	$(CAT) osdepbas.c osdepckp.c osdeplog.c osdepssl.c > osdep.c

supplemental/patches/imap-2007e-system_c_client.patch

@@ -0,0 +1,17 @@
+diff -up imap-2007e/Makefile.system_c_client imap-2007e/Makefile
+--- imap-2007e/Makefile.system_c_client	2008-06-04 13:43:35.000000000 -0500
++++ imap-2007e/Makefile	2011-06-13 14:13:04.467014334 -0500
+@@ -665,9 +665,11 @@ an ua:
+ 	@$(MAKE) ssl$(SSLTYPE)
+ 	@echo Applying $@ process to sources...
+ 	$(TOOLS)/$@ "$(LN)" src/c-client c-client
+-	$(TOOLS)/$@ "$(LN)" src/ansilib c-client
+-	$(TOOLS)/$@ "$(LN)" src/charset c-client
++	$(TOOLS)/$@ "$(LN)" src/ansilib c-client
++	$(TOOLS)/$@ "$(LN)" src/charset c-client
+ 	$(TOOLS)/$@ "$(LN)" src/osdep/$(SYSTEM) c-client
++	cp -alf /usr/include/imap/* c-client/
++	#sleep 5
+ 	$(TOOLS)/$@ "$(LN)" src/mtest mtest
+ 	$(TOOLS)/$@ "$(LN)" src/ipopd ipopd
+ 	$(TOOLS)/$@ "$(LN)" src/imapd imapd

supplemental/patches/imap-2007f-format-security.patch

@@ -0,0 +1,12 @@
+diff -Naur imap-2007f.orig/src/osdep/unix/flocklnx.c imap-2007f/src/osdep/unix/flocklnx.c
+--- imap-2007f.orig/src/osdep/unix/flocklnx.c	2011-07-23 02:20:11.000000000 +0200
++++ imap-2007f/src/osdep/unix/flocklnx.c	2014-04-14 19:17:46.429000000 +0200
+@@ -57,7 +57,7 @@
+     case ENOLCK:		/* lock table is full */
+       sprintf (tmp,"File locking failure: %s",strerror (errno));
+       mm_log (tmp,WARN);	/* give the user a warning of what happened */
+-      if (!logged++) syslog (LOG_ERR,tmp);
++      if (!logged++) syslog (LOG_ERR, "%s", tmp);
+ 				/* return failure if non-blocking lock */
+       if (op & LOCK_NB) return -1;
+       sleep (5);		/* slow down in case it loops */

supplemental/patches/imap-2007f-ldflags.patch

@@ -0,0 +1,21 @@
+diff -up imap-2007f/src/osdep/unix/Makefile.ldflags imap-2007f/src/osdep/unix/Makefile
+--- imap-2007f/src/osdep/unix/Makefile.ldflags	2018-04-24 13:18:45.333043626 +0200
++++ imap-2007f/src/osdep/unix/Makefile	2018-04-24 13:29:09.262125281 +0200
+@@ -73,7 +73,7 @@ SSLRSA= # -lRSAglue -lrsaref
+ 
+ SSLCFLAGS= -I$(SSLINCLUDE) -I$(SSLINCLUDE)/openssl\
+  -DSSL_CERT_DIRECTORY=\"$(SSLCERTS)\" -DSSL_KEY_DIRECTORY=\"$(SSLKEYS)\"
+-SSLLDFLAGS= -L$(SSLLIB) -lssl $(SSLCRYPTO) $(SSLRSA)
++SSLLDFLAGS= -L$(SSLLIB) -lssl $(SSLCRYPTO) $(SSLRSA) $(EXTRALDFLAGS)
+ 
+ 
+ # Extended flags needed for non-standard passwd types.  You may need to modify.
+@@ -502,7 +502,7 @@ lnp:	# Linux Pluggable Authentication mo
+ 	 ACTIVEFILE=/var/lib/news/active \
+ 	 RSHPATH=/usr/bin/rsh \
+ 	 BASECFLAGS="$(GCCCFLAGS)" \
+-	 BASELDFLAGS="$(PAMLDFLAGS)"
++	 BASELDFLAGS="$(EXTRALDFLAGS) $(PAMLDFLAGS)"
+ 
+ lnx:	# Linux non-shadow passwords
+ 	@echo You are building for traditional Linux *without* shadow