This is a patch for qmail-1.03 that causes qmail-queue to check for the
QMAILEXTRA environment variable.  If it exists, a copy of all incoming and
outgoing mail messages will be sent to the username set in it.

  You could set QMAILEXTRA=log, and put ./msg-log into ~alias/.qmail-log
to store a copy of every incoming and outgoing message in ~alias/msg-log.

-Thor Kooda
 tkooda-patch-qmail (at) devsec (dot) org
 2004-07-26


diff -Naru qmail-1.03.orig/Makefile qmail-1.03/Makefile
--- qmail-1.03.orig/Makefile	Mon Jun 15 05:53:16 1998
+++ qmail-1.03/Makefile	Mon Jul 26 19:10:58 2004
@@ -1424,7 +1424,7 @@
 str.a fs.a auto_qmail.o auto_split.o auto_uids.o
 	./load qmail-queue triggerpull.o fmtqfn.o now.o \
 	date822fmt.o datetime.a seek.a ndelay.a open.a sig.a \
-	alloc.a substdio.a error.a str.a fs.a auto_qmail.o \
+	alloc.a substdio.a error.a env.a str.a fs.a auto_qmail.o \
 	auto_split.o auto_uids.o 
 
 qmail-queue.0: \
diff -Naru qmail-1.03.orig/qmail-queue.c qmail-1.03/qmail-queue.c
--- qmail-1.03.orig/qmail-queue.c	Mon Jun 15 05:53:16 1998
+++ qmail-1.03/qmail-queue.c	Mon Jul 26 19:08:03 2004
@@ -16,6 +16,7 @@
 #include "auto_uids.h"
 #include "date822fmt.h"
 #include "fmtqfn.h"
+#include "env.h"
 
 #define DEATH 86400 /* 24 hours; _must_ be below q-s's OSSIFIED (36 hours) */
 #define ADDR 1003
@@ -155,6 +156,7 @@
 {
  unsigned int len;
  char ch;
+ char *qmailextra = env_get("QMAILEXTRA");
 
  sig_blocknone();
  umask(033);
@@ -227,7 +229,11 @@
   }
  if (len >= ADDR) die(11);
 
- if (substdio_bput(&ssout,QUEUE_EXTRA,QUEUE_EXTRALEN) == -1) die_write();
+ if (qmailextra) {
+   if (substdio_bput(&ssout,"T",1) == -1) die_write();
+   if (substdio_bput(&ssout,qmailextra,str_len(qmailextra)) == -1) die_write();
+   if (substdio_bput(&ssout,"",1) == -1) die_write();
+ }
 
  for (;;)
   {