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Diffstat (limited to 'wiretap/packetlogger.c')
-rw-r--r--wiretap/packetlogger.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/wiretap/packetlogger.c b/wiretap/packetlogger.c
index 20b175a89a..6907009198 100644
--- a/wiretap/packetlogger.c
+++ b/wiretap/packetlogger.c
@@ -70,10 +70,8 @@ int packetlogger_open(wtap *wth, int *err, gchar **err_info _U_)
file_read(&type, 1, 1, wth->fh);
/* Verify this file belongs to us */
- if(!((pl_hdr.len & 0xFFFF0000) == 0 && (type < 0x04 ||
- type == 0xFB ||
- type == 0xFE ||
- type == 0xFF)))
+ if (!((8 <= pl_hdr.len) && (pl_hdr.len < 65536) &&
+ (type < 0x04 || type == 0xFB || type == 0xFE || type == 0xFF)))
return 0;
/* No file header. Reset the fh to 0 so we can read the first packet */