From 25cd826553669535815657223c3ad80eef58d18b Mon Sep 17 00:00:00 2001
From: Christophe Grenier <grenier@cgsecurity.org>
Date: Sun, 16 Sep 2012 16:34:29 +0200
Subject: [PATCH] src/file_lnk.c: generate log only if DEBUG_LNK is defined

---
 src/file_lnk.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/file_lnk.c b/src/file_lnk.c
index d0502378..be1d4283 100644
--- a/src/file_lnk.c
+++ b/src/file_lnk.c
@@ -30,7 +30,9 @@
 #include "types.h"
 #include "filegen.h"
 #include "common.h"
+#ifdef DEBUG_LNK
 #include "log.h"
+#endif
 
 static void register_header_check_lnk(file_stat_t *file_stat);
 static int header_check_lnk(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new);
@@ -98,8 +100,10 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
     if((flags&SCF_PIDL)!=0)
     { /* The Shell Item Id List */
       len=buffer[i]+(buffer[i+1]<<8);
+#ifdef DEBUG_LNK
       log_debug("LNK Shell Item Id List at 0x%04x=%04x\n",
 	  i, len);
+#endif
       i+=2;
       i+=len;
     }
@@ -109,7 +113,9 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
     if((flags&SCF_LOCATION)!=0)
     { /* File location info */
       len=buffer[i] + (buffer[i+1]<<8) + (buffer[i+2]<<16) + (buffer[i+3]<<24);
+#ifdef DEBUG_LNK
       log_debug("LNK File location info at 0x%04x=%04x\n", i, len);
+#endif
       i+=2;
       i+=len;
     }
@@ -119,7 +125,9 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
     if((flags&SCF_DESCRIPTION)!=0)
     { /* Description string */
       len=buffer[i]+(buffer[i+1]<<8);
+#ifdef DEBUG_LNK
       log_debug("LNK description string at 0x%04x=%04x\n", i, len);
+#endif
       i+=2;
       if((flags& SCF_UNICODE)!=0)
 	len*=2;
@@ -131,7 +139,9 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
     if((flags&SCF_RELATIVE)!=0)
     { /* Relative path */
       len=buffer[i]+(buffer[i+1]<<8);
+#ifdef DEBUG_LNK
       log_debug("LNK relative path at 0x%04x=%04x\n", i, len);
+#endif
       i+=2;
       if((flags& SCF_UNICODE)!=0)
 	len*=2;
@@ -143,7 +153,9 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
     if((flags&SCF_WORKDIR)!=0)
     { /* Working directory */
       len=buffer[i]+(buffer[i+1]<<8);
+#ifdef DEBUG_LNK
       log_debug("LNK Working directory at 0x%04x=%04x\n", i, len);
+#endif
       i+=2;
       if((flags& SCF_UNICODE)!=0)
 	len*=2;
@@ -155,7 +167,9 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
     if((flags&SCF_ARGS)!=0)
     { /* Command line string */
       len=buffer[i]+(buffer[i+1]<<8);
+#ifdef DEBUG_LNK
       log_debug("LNK Command line string at 0x%04x=%04x\n", i, len);
+#endif
       i+=2;
       if((flags& SCF_UNICODE)!=0)
 	len*=2;
@@ -167,7 +181,9 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
     if((flags&SCF_CUSTOMICON)!=0)
     { /* Icon filename string */
       len=buffer[i]+(buffer[i+1]<<8);
+#ifdef DEBUG_LNK
       log_debug("LNK Icon filename string at 0x%04x=%04x\n", i, len);
+#endif
       i+=2;
       if((flags& SCF_UNICODE)!=0)
 	len*=2;
@@ -179,7 +195,9 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
     if((flags&SCF_PRODUCT)!=0)
     {
       len=buffer[i]+(buffer[i+1]<<8);
+#ifdef DEBUG_LNK
       log_debug("LNK Icon product at 0x%04x=%04x\n", i, len);
+#endif
       i+=2;
       i+=len;
     }
@@ -189,7 +207,9 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
     if((flags&SCF_COMPONENT)!=0)
     {
       len=buffer[i]+(buffer[i+1]<<8);
+#ifdef DEBUG_LNK
       log_debug("LNK Icon component at 0x%04x=%04x\n", i, len);
+#endif
       i+=2;
       i+=len;
     }
@@ -198,10 +218,14 @@ static int header_check_lnk(const unsigned char *buffer, const unsigned int buff
       return 0;
     /* Extra stuff */
     len=buffer[i] + (buffer[i+1]<<8) + (buffer[i+2]<<16) + (buffer[i+3]<<24);
+#ifdef DEBUG_LNK
     log_debug("LNK extra stuff at 0x%04x=%04x\n", i, len);
+#endif
     i+=4;
     i+=len;
+#ifdef DEBUG_LNK
     log_debug("LNK size %u (0x%04x)\n", i, i);
+#endif
     reset_file_recovery(file_recovery_new);
     file_recovery_new->extension=file_hint_lnk.extension;
     file_recovery_new->calculated_file_size=i;