Support NIL as body length (Exchange). Fixes Berlios Bug #11980.

svn path=/branches/BRANCH_6-3/; revision=5269

2 files changed, 9 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 55c2d18a..98147a43 100644
--- a/NEWS
+++ b/NEWS
@@ -62,6 +62,8 @@ fetchmail 6.3.10 (not yet released):
   Courtesy of Nico Golde, Debian.
 * When a pre- or post-connect command fails, now report the exit status or
   termination signal properly through sys/wait.h macros.
+* When acquiring a body, understand NIL ("no such data item"), as returned by
+  some MS Exchange versions. Fixes BerliOS Bug #11980 by KB Sriram.
 
 # CHANGES
 * Make the comparison of the SSL fingerprints case insensitive, to
diff --git a/imap.c b/imap.c
index dd303f78..53474924 100644
--- a/imap.c
+++ b/imap.c
@@ -1153,6 +1153,13 @@ static int imap_fetch_body(int sock, struct query *ctl, int number, int *lenp)
     if (num != number)
 	return(PS_ERROR);
 
+    /* Understand "NIL" as length => no body present
+     * (MS Exchange, BerliOS Bug #11980) */
+    if (strstr(buf+10, "NIL)")) {
+	    *lenp = 0;
+	    return PS_SUCCESS;
+    }
+
     /*
      * Try to extract a length from the FETCH response.  RFC2060 requires
      * it to be present, but at least one IMAP server (Novell GroupWise)