From 7a6a7f54d1f27c6b3520fe8cffebeebc6c272ca0 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 29 Oct 2020 21:22:05 +0100
Subject: fix #6613

---
 ChangeLog                   |  9 ++++++--
 src/plugins/fuzz_default.sh | 17 ++++++++++++---
 src/plugins/test_exiv2.c    | 14 +++++++------
 src/plugins/test_lib.c      | 50 +++++++++++++++++++++++++++++++++++++--------
 src/plugins/test_lib.h      |  5 +++++
 5 files changed, 75 insertions(+), 20 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 49821b0..afbcecc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,11 @@
+Thu Oct 29 09:20:41 PM CET 2020
+    Fix #6613: test failure with latest exiv2 library
+    (harmless). Add hard timeout for zzuf test suite
+    on systems where timeout command exists. -CG
+
 Thu Jul  2 15:58:16 CEST 2020
-	Fixed some code that called deprecated libav routines. 
-	Improved configure reporting. 
+	Fixed some code that called deprecated libav routines.
+	Improved configure reporting.
 	Releasing GNU libextractor 1.10. -CG
 
 Tue 02 Jun 2020 11:14:43 PM CEST
diff --git a/src/plugins/fuzz_default.sh b/src/plugins/fuzz_default.sh
index 8b64539..67292cf 100755
--- a/src/plugins/fuzz_default.sh
+++ b/src/plugins/fuzz_default.sh
@@ -14,6 +14,17 @@ then
   bindir="$bindir/bin"
 fi
 
+if test -x `which zzuf`
+then
+    exit 77
+fi
+
+if test -x `which timeout`
+then
+    TIMEOUT=timeout 15
+else
+    TIMEOUT=""
+fi
 
 for file in $testdatadir/test*
 do
@@ -26,11 +37,11 @@ do
     do
       echo "file $file seed $seed"
       zzuf -c -s $seed cat "$file" > "$tmpfile"
-      if ! "$bindir/extract" -i "$tmpfile" > /dev/null
+      if ! "$TIMEOUT $bindir/extract" -i "$tmpfile" > /dev/null
       then
         echo "$tmpfile with seed $seed failed"
-	mv $tmpfile $tmpfile.keep
-	ret=1
+  	    mv $tmpfile $tmpfile.keep
+	    ret=1
       fi
       seed=`expr $seed + 1`
     done
diff --git a/src/plugins/test_exiv2.c b/src/plugins/test_exiv2.c
index e4e5319..f3dae0a 100644
--- a/src/plugins/test_exiv2.c
+++ b/src/plugins/test_exiv2.c
@@ -49,9 +49,10 @@ main (int argc, char *argv[])
       EXTRACTOR_METATYPE_GPS_LATITUDE,
       EXTRACTOR_METAFORMAT_UTF8,
       "text/plain",
-      "28deg 8' 17.585\" ",
-      strlen ("28deg 8' 17.585\" ") + 1,
-      0
+      "28deg 8' (18|17.585)\" ?",
+      strlen ("28deg 8' (18|17.585)\" ?") + 1,
+      0,
+      .regex = 1
     },
     {
       EXTRACTOR_METATYPE_GPS_LONGITUDE_REF,
@@ -65,9 +66,10 @@ main (int argc, char *argv[])
       EXTRACTOR_METATYPE_GPS_LONGITUDE,
       EXTRACTOR_METAFORMAT_UTF8,
       "text/plain",
-      "14deg 14' 21.713\" ",
-      strlen ("14deg 14' 21.713\" ") + 1,
-      0
+      "14deg 14' (22|21.713)\" ?",
+      strlen ("14deg 14' (22|21.713)\" ?"),
+      0,
+      .regex = 1
     },
     {
       EXTRACTOR_METATYPE_CAMERA_MAKE,
diff --git a/src/plugins/test_lib.c b/src/plugins/test_lib.c
index efbe2cf..97d4dc5 100644
--- a/src/plugins/test_lib.c
+++ b/src/plugins/test_lib.c
@@ -24,7 +24,8 @@
  */
 #include "platform.h"
 #include "test_lib.h"
-
+#include <sys/types.h>
+#include <regex.h>
 
 /**
  * Function that libextractor calls for each
@@ -57,14 +58,45 @@ process_replies (void *cls,
          (sd[i].type != type) ||
          (sd[i].format != format) )
       continue;
-    if ( (EXTRACTOR_METAFORMAT_BINARY != format) &&
-         ( (sd[i].data_len != data_len) ||
-           (0 != memcmp (sd[i].data, data, data_len)) ) )
-      continue;
-    if ( (EXTRACTOR_METAFORMAT_BINARY == format) &&
-         ( (sd[i].data_len > data_len) ||
-           (0 != memcmp (sd[i].data, data, sd[i].data_len)) ) )
-      continue;
+    if ( (sd[i].regex) &&
+         (EXTRACTOR_METAFORMAT_BINARY != format) )
+    {
+      regex_t re;
+      regmatch_t match;
+
+      if (0 !=
+          regcomp (&re,
+                   sd[i].data,
+                   REG_EXTENDED))
+      {
+        fprintf (stderr,
+                 "Not a valid regex: %s\n",
+                 sd[i].data);
+        abort ();
+      }
+      if ( ('\0' != data[data_len - 1]) ||
+           (0 != regexec (&re,
+                          data,
+                          1,
+                          &match,
+                          0)) )
+      {
+        regfree (&re);
+        continue;
+      }
+      regfree (&re);
+    }
+    else
+    {
+      if ( (EXTRACTOR_METAFORMAT_BINARY != format) &&
+           ( (sd[i].data_len != data_len) ||
+             (0 != memcmp (sd[i].data, data, data_len)) ) )
+        continue;
+      if ( (EXTRACTOR_METAFORMAT_BINARY == format) &&
+           ( (sd[i].data_len > data_len) ||
+             (0 != memcmp (sd[i].data, data, sd[i].data_len)) ) )
+        continue;
+    }
 
     if (NULL != sd[i].data_mime_type)
     {
diff --git a/src/plugins/test_lib.h b/src/plugins/test_lib.h
index 9400314..cea36fc 100644
--- a/src/plugins/test_lib.h
+++ b/src/plugins/test_lib.h
@@ -63,6 +63,11 @@ struct SolutionData
    * terminate the list.
    */
   int solved;
+
+  /**
+   * Treat solution as a regex that must match.
+   */
+  int regex;
 };
 
 
-- 
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