From d926e107142723a506f8cd83071aa46e748415a7 Mon Sep 17 00:00:00 2001
From: robi <robi>
Date: Thu, 17 Nov 2011 16:30:15 +0000
Subject: DjVu

---
 ChangeLog       |  3 ++-
 NEWS            |  2 ++
 README          |  4 ++--
 src/file_type.c | 50 ++++++++++++++++++++++++++++++++++++++++++++------
 4 files changed, 50 insertions(+), 9 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index cc7ca15..bfabe37 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,5 @@
-		new : functions for RPM; DBF; XCF(Gimp); ESRI and CDF 
+
+0.3.0.pv1	new : functions for RPM; DBF; XCF(Gimp); ESRI; DjVu and CDF 
 		change : DEB; ZIP; TTF; Gnumeric; some Perl and Python files
 			 Optimization for text based files (not completed yet)
 		
diff --git a/NEWS b/NEWS
index 707edc4..4962570 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+ext4magic 0.3.0 pv1	New features for restoring Gimp images, many of document formats and
+			enhancements to recover text-based files.
 
 
 ext4magic 0.3.0 pv0	Contains the first experimental version of the magic function for ext4
diff --git a/README b/README
index 4291a63..d7f41f1 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for ext4magic V-0.2.2
+README for ext4magic V-0.3.x
 =============================
 
 1.0	Accidentally deleted files
@@ -224,7 +224,7 @@ This works only correct for a limited time if you continue to write into the fil
 
  Extensive testing has confirmed that magic-scan-functions are now stable with libmagic.so >= version 5.04.
  Good support exists for: many text file types, a lot of image formats, 
- often-used video and audio file types, Open Office documents,
+ often-used video and audio file types, Office documents,
  PDF, RAR, TAR, CPIO, BZ2, ZIP, GZIP, 7Z ...
  
  Many other file types are also found and restored with default function, but without examining
diff --git a/src/file_type.c b/src/file_type.c
index e053ce7..1efaa65 100644
--- a/src/file_type.c
+++ b/src/file_type.c
@@ -3782,6 +3782,45 @@ int file_iff(unsigned char *buf, int *size, __u32 scan , int flag, struct found_
 return ret;
 }
 
+//DjVu
+int file_djvu(unsigned char *buf, int *size, __u32 scan , int flag, struct found_data_t* f_data){
+	int 		i,ret = 0;
+	__u32		ssize;
+	char 		token[5];	
+	char type[] = "DJVU DJVM DJVI THUM ";
+
+	switch (flag){
+		case 0 : 
+			if ((f_data->size) && (f_data->inode->i_size >= f_data->size)) {
+				ssize = ((f_data->size-1) % current_fs->blocksize) +1;
+				if (f_data->inode->i_size > (f_data->size - ssize)){
+					*size = ssize;
+					ret =1;
+				}
+			}
+			break;
+		case 1 :
+			return (scan & (M_IS_META | M_CLASS_1 )) ? 0 :1 ;
+			break;
+
+		case 2 : 
+		if ((buf[0]==0x41) && (buf[1]==0x54) && (buf[2] ==0x26) && (buf[3]==0x54)
+			&& (buf[4]==0x46) && (buf[5]==0x4f) && (buf[6] ==0x52) && (buf[7]==0x4d)){
+			for (i=0;i<4;i++)
+				token[i]=buf[i+12];
+			token[i] = 0;
+			if(strstr(type,token)){
+				f_data->size = (buf[8]<<24) + (buf[9]<<16) + (buf[10]<<8) + buf[11] + 12;
+				f_data->scantype = DATA_LENGTH ;
+				ret =1;
+			}
+		}
+		break;
+	}
+return ret;
+}
+
+
 struct pcx_priv_t {
 	__u16 	width;
 	__u16	height;
@@ -6004,7 +6043,7 @@ static int follow_cdf(unsigned char *buf, __u16 blockcount, __u32 *offset, __u32
 						(priv->extra_FAT_blocks)--;
 					}
 					else{
-						printf("ERROR CDF Extra FAT:  %lu \n",priv-> s_offset);
+//						printf("ERROR CDF Extra FAT:  %lu \n",priv-> s_offset);
 						ret = 0;
 					}
 					break;
@@ -6025,7 +6064,7 @@ static int follow_cdf(unsigned char *buf, __u16 blockcount, __u32 *offset, __u32
 					}
 				}
 				else {
-					printf("ERROR CDF Extra FAT:  %lu \n",priv-> s_offset);
+//					printf("ERROR CDF Extra FAT:  %lu \n",priv-> s_offset);
 					ret = 0;
 				}
 			break;
@@ -6064,7 +6103,6 @@ static int follow_cdf(unsigned char *buf, __u16 blockcount, __u32 *offset, __u32
 			break;
 			case 0x10 :
 				if (zero_space(buf, f_offset)){
-					printf("Ende:  %lu \n",priv-> s_offset);
 					ret = 2;
 				}
 				else{
@@ -6072,7 +6110,7 @@ static int follow_cdf(unsigned char *buf, __u16 blockcount, __u32 *offset, __u32
 						ret = 2;
 					}
 					else{
-						printf("CDF ERROR Ende:  %lu \n",priv-> s_offset);
+//						printf("ERROR CDF EOF:  %lu \n",priv-> s_offset);
 						ret = 0;
 					}
 				}
@@ -7637,7 +7675,7 @@ void get_file_property(struct found_data_t* this){
 		break;
 	
 		case 0x0120     :               //x-dbf
-//FIXME	              this->func = file_dbf ;
+	              this->func = file_dbf ;
 	              strncat(this->name,".dbf",7);
 		break;
 	
@@ -8026,7 +8064,7 @@ void get_file_property(struct found_data_t* this){
 		break;
 	
 		case 0x0308     :               //vnd.djvu
-	//              this->func = file_vnd.djvu ;
+	              this->func = file_djvu ;
 	              strncat(this->name,".djvu",7);
 		break;
 	
-- 
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