| 1 |
diff -uNrp bogofilter-1.2.2.base64/src/iconvert.c bogofilter-1.2.2/src/iconvert.c |
| 2 |
--- bogofilter-1.2.2.base64/src/iconvert.c 2010-03-14 20:08:11.000000000 -0400 |
| 3 |
+++ bogofilter-1.2.2/src/iconvert.c 2012-12-13 10:06:56.603529996 -0500 |
| 4 |
@@ -76,7 +76,7 @@ static void convert(iconv_t xd, buff_t * |
| 5 |
outbuf = (char *)dst->t.u.text + dst->t.leng; |
| 6 |
outbytesleft = dst->size - dst->read - dst->t.leng; |
| 7 |
|
| 8 |
- if (outbytesleft == 0) |
| 9 |
+ if (outbytesleft <= 0) |
| 10 |
break; |
| 11 |
|
| 12 |
/* |
| 13 |
@@ -141,6 +141,10 @@ static void convert(iconv_t xd, buff_t * |
| 14 |
switch (err) { |
| 15 |
case EILSEQ: /* invalid multibyte sequence */ |
| 16 |
case EINVAL: /* incomplete multibyte sequence */ |
| 17 |
+ if(outbytesleft <= 0) { |
| 18 |
+ done = true; |
| 19 |
+ break; |
| 20 |
+ } |
| 21 |
/* copy 1 byte (or substitute a '?') */ |
| 22 |
if (!replace_nonascii_characters) |
| 23 |
*outbuf = *inbuf; |
| 24 |
diff -uNrp bogofilter-1.2.2.base64/src/tests/Makefile.am bogofilter-1.2.2/src/tests/Makefile.am |
| 25 |
--- bogofilter-1.2.2.base64/src/tests/Makefile.am 2010-07-05 07:26:36.000000000 -0400 |
| 26 |
+++ bogofilter-1.2.2/src/tests/Makefile.am 2012-12-13 10:07:07.893536640 -0500 |
| 27 |
@@ -45,6 +45,7 @@ PARSING_TESTS = \ |
| 28 |
t.multiple.tokens.head t.multiple.tokens.body t.multiple.tokens.min.mul \ |
| 29 |
$(ENCODING_TESTS) \ |
| 30 |
t.rfc2047_broken t.rfc2047_folded \ |
| 31 |
+ t.crash-invalid-base64 \ |
| 32 |
t.message_addr t.message_id t.queue_id |
| 33 |
|
| 34 |
WORDLIST_TESTS = t.dump.load t.nonascii.replace t.maint t.robx t.regtest t.upgrade.subnet.prefix t.multiple.wordlists t.probe t.bf_compact |
| 35 |
diff -uNrp bogofilter-1.2.2.base64/src/tests/t.crash-invalid-base64 bogofilter-1.2.2/src/tests/t.crash-invalid-base64 |
| 36 |
--- bogofilter-1.2.2.base64/src/tests/t.crash-invalid-base64 1969-12-31 19:00:00.000000000 -0500 |
| 37 |
+++ bogofilter-1.2.2/src/tests/t.crash-invalid-base64 2012-12-13 10:07:23.733544561 -0500 |
| 38 |
@@ -0,0 +1,21 @@ |
| 39 |
+#! /bin/sh |
| 40 |
+ |
| 41 |
+. ${srcdir:=.}/t.frame |
| 42 |
+ |
| 43 |
+# make sure that we do not crash on excessively long tokens |
| 44 |
+# Test program by Julius Plenz, TU Berlin. |
| 45 |
+perl -e ' |
| 46 |
+print <<EOF |
| 47 |
+Content-Type: multipart/mixed;boundary="----=_20121014031204_57463" |
| 48 |
+ |
| 49 |
+------=_20121014031204_57463 |
| 50 |
+Content-Type: text/plain; charset="utf-8" |
| 51 |
+ |
| 52 |
+------=_20121014031204_57463 |
| 53 |
+Content-Transfer-Encoding: base64 |
| 54 |
+ |
| 55 |
+EOF |
| 56 |
+; |
| 57 |
+print(("vfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvfvf\n")x600); |
| 58 |
+print "------=_20121014031204_57463--";' \ |
| 59 |
+| $VAL $BOGOFILTER -p -e -C > /dev/null |
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