feed generator: strip out nonprintable characters so XML parsers do not choke on...

diff --git a/webcit/feed_generator.c b/webcit/feed_generator.c
index 2be5e1f7492dd326e24ac4d454fd060ecdb55a9b..f6cb345a0144c9665c9abf2aa420d03c8d40d225 100644 (file)
--- a/webcit/feed_generator.c
+++ b/webcit/feed_generator.c
@@ -5,23 +5,16 @@
  *
  * This program is open source software.  You can redistribute it and/or
  * modify it under the terms of the GNU General Public License, version 3.
- * 
- * 
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- *
- * 
- * 
- * 
  */
 
 #include "webcit.h"
 #include "webserver.h"
 
-
 /*
  * RSS feed generator -- do one message
  */
@@ -86,6 +79,19 @@ void feed_rss_one_message(long msgnum) {
                in_messagetext = 0;
                while (StrBufSipLine(Line, ServerResponse, &BufPtr), ((BufPtr!=StrBufNOTNULL)&&(BufPtr!=NULL)) ) {
                        safestrncpy(buf, ChrPtr(Line), sizeof buf);
+
+                       /* XML parsers can be picky; strip out nonprintable header characters */
+                       if ((strlen(buf)>=6) && (buf[4]=='=')) {
+                               char *p = &buf[5];
+                               while (*p) {
+                                       if (!isprint(*p)) {
+                                               *p = 0;
+                                       }
+                                       ++p;
+                               }
+                       }
+
+                       /* Now output fields */
                        if (in_body) {
                                if (in_messagetext) {
                                        StrBufAppendBufPlain(messagetext, buf, -1, 0);
@@ -141,6 +147,7 @@ void feed_rss_one_message(long msgnum) {
        return;
 }
 
+
 /*
  * RSS feed generator -- go through the message list
  */