PhotoRec: txt file recovery code cleanup
This commit is contained in:
Christophe Grenier
parent
d68d3d1aa3
commit
70efbd5024
1 changed files with 100 additions and 46 deletions
146
src/file_txt.c
146
src/file_txt.c
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@ -102,11 +102,13 @@ typedef struct
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} txt_header_t;
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static const txt_header_t fasttxt_headers[] = {
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/* Unix shell */
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{ "#!/bin/bash", 11, "sh"},
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{ "#!/bin/ksh", 10, "sh"},
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{ "#!/bin/sh", 9, "sh"},
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/* Opera Hotlist bookmark/contact list/notes */
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{ "Opera Hotlist version 2.0", 25, "adr"},
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/* Microsoft VB Class module */
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{ "VERSION 1.0 CLASS\r\nBEGIN", 24, "cls"},
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/* Cue sheet often begins by the music genre
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* or by the filename
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@ -142,16 +144,24 @@ static const txt_header_t fasttxt_headers[] = {
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{ "--- Mnemosyne Data Base --- Format Version 2 ---", 48, "mem"},
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/* Mozilla, firefox, thunderbird msf (Mail Summary File) */
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{ "// <!-- <mdb:mork:z", 19, "msf"},
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/* MySQL, phpMyAdmin, PostgreSQL dump */
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{ "-- MySQL dump ", 14, "sql"},
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{ "-- phpMyAdmin SQL Dump", 22, "sql"},
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{ "--\n-- PostgreSQL database cluster dump", 38, "sql"},
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{ "--\r\n-- PostgreSQL database cluster dump", 39, "sql"},
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/* Quantum GIS */
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{ "<!DOCTYPE qgis ", 15, "qgs"},
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/* Real Media */
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{ "rtsp://", 7, "ram"},
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/* Windows registry config file */
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{ "REGEDIT4", 8, "reg"},
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/* Reaper Project */
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{ "<REAPER_PROJECT ", 16, "rpp"},
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/* Olfaction SeeNez subtitle */
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{ "#SeeNez ", 8, "SeeNezSST"},
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/* Sylk, Multiplan Symbolic Link Interchange */
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{ "ID;PSCALC3", 10, "slk"},
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/* Olfaction SeeNez odorama */
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{ "DEFAULT\n", 8, "snz"},
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{ "DEFAULT\r\n", 9, "snz"},
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/* ISO 10303 is an ISO standard for the computer-interpretable
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@ -164,6 +174,7 @@ static const txt_header_t fasttxt_headers[] = {
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{ "[InternetShortcut]", 18, "url"},
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/* Windows Play List*/
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{"<?wpl version=\"1.0\"?>", 21, "wpl"},
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/* Windows URL / Internet Shortcut */
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{"BEGIN:VBKM", 10, "url"},
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/* firefox session store */
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{ "({\"windows\":[{\"tabs\":[{\"entries\":[{\"url\":\"", 42,
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@ -455,6 +466,7 @@ static int header_check_ics(const unsigned char *buffer, const unsigned int buff
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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file_recovery_new->file_check=&file_check_size;
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/* vcalendar */
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file_recovery_new->extension="ics";
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/* DTSTART:19970714T133000 ;Local time
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* DTSTART:19970714T173000Z ;UTC time
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@ -497,6 +509,7 @@ static int header_check_perlm(const unsigned char *buffer, const unsigned int bu
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strstr(buffer_lower, "private static")!=NULL ||
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strstr(buffer_lower, "public interface")!=NULL)
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{
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/* source code in java */
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#ifdef DJGPP
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file_recovery_new->extension="jav";
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#else
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@ -504,7 +517,10 @@ static int header_check_perlm(const unsigned char *buffer, const unsigned int bu
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#endif
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}
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else
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{
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/* perl module */
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file_recovery_new->extension="pm";
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}
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free(buffer_lower);
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return 1;
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}
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@ -529,6 +545,7 @@ static int header_check_html(const unsigned char *buffer, const unsigned int buf
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_html;
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file_recovery_new->file_check=&file_check_size;
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/* Hypertext Markup Language (HTML) */
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#ifdef DJGPP
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file_recovery_new->extension="htm";
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#else
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@ -551,57 +568,79 @@ static void file_check_svg(file_recovery_t *file_recovery)
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static int header_check_xml(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)
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{
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const char *tmp;
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/* buffer may not be null-terminated */
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char *buf=(char *)MALLOC(buffer_size+1);
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memcpy(buf, buffer, buffer_size);
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buf[buffer_size]='\0';
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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if(td_memmem(buffer, buffer_size, "Version_grisbi", 14)!=NULL)
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file_recovery_new->extension=NULL;
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tmp=strchr(buf,'<');
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while(tmp!=NULL && file_recovery_new->extension==NULL)
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{
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/* Grisbi - Personal Finance Manager XML data */
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file_recovery_new->extension="gsb";
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}
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else if(td_memmem(buffer, buffer_size, "QBFSD", 5)!=NULL)
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file_recovery_new->extension="fst";
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else if(td_memmem(buffer, buffer_size, "<collection type=\"GC", 20)!=NULL)
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{
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/* GCstart, personal collections manager, http://www.gcstar.org/ */
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file_recovery_new->extension="gcs";
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}
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else if(td_memmem(buffer, buffer_size, "<html", 5)!=NULL)
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{
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file_recovery_new->data_check=&data_check_html;
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if(strncasecmp(tmp, "<Grisbi>", 8)==0)
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{
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/* Grisbi - Personal Finance Manager XML data */
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file_recovery_new->extension="gsb";
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}
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else if(strncasecmp(tmp, "<collection type=\"GC", 20)==0)
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{
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/* GCstart, personal collections manager, http://www.gcstar.org/ */
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file_recovery_new->extension="gcs";
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}
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else if(strncasecmp(tmp, "<html", 5)==0)
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{
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file_recovery_new->data_check=&data_check_html;
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#ifdef DJGPP
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file_recovery_new->extension="htm";
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file_recovery_new->extension="htm";
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#else
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file_recovery_new->extension="html";
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file_recovery_new->extension="html";
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#endif
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}
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else if(td_memmem(buffer, buffer_size, "<svg", 4)!=NULL)
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{
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/* Scalable Vector Graphics */
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file_recovery_new->extension="svg";
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file_recovery_new->file_check=&file_check_svg;
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return 1;
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}
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else if(td_memmem(buffer, buffer_size, "<!DOCTYPE plist ", 16)!=NULL)
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{
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/* Mac OS X property list */
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}
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else if(strncasecmp(tmp, "<Version>QBFSD", 14)==0)
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{
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/* QuickBook */
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file_recovery_new->extension="fst";
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}
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else if(strncasecmp(tmp, "<svg", 4)==0)
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{
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/* Scalable Vector Graphics */
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file_recovery_new->extension="svg";
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file_recovery_new->file_check=&file_check_svg;
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free(buf);
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return 1;
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}
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else if(strncasecmp(tmp, "<!DOCTYPE plist ", 16)==0)
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{
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/* Mac OS X property list */
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#ifdef DJGPP
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file_recovery_new->extension="pli";
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file_recovery_new->extension="pli";
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#else
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file_recovery_new->extension="plist";
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file_recovery_new->extension="plist";
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#endif
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}
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else if(strncasecmp(tmp, "<PremiereData Version=", 22)==0)
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{
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/* Adobe Premiere project */
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file_recovery_new->data_check=NULL;
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file_recovery_new->extension="prproj";
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}
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else if(strncasecmp(tmp, "<SCRIBUS", 8)==0)
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{
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/* Scribus XML file */
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file_recovery_new->extension="sla";
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}
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tmp++;
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tmp=strchr(tmp,'<');
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}
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else if(td_memmem(buffer, buffer_size, "<PremiereData Version=", 22)!=NULL)
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if(file_recovery_new->extension==NULL)
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{
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file_recovery_new->data_check=NULL;
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file_recovery_new->extension="prproj";
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}
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else if(td_memmem(buffer, buffer_size, "<SCRIBUS", 8)!=NULL)
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{
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file_recovery_new->extension="sla";
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}
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else
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/* XML Extensible Markup Language */
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file_recovery_new->extension="xml";
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}
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file_recovery_new->file_check=&file_check_xml;
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free(buf);
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return 1;
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}
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@ -614,6 +653,7 @@ static int header_check_rtf(const unsigned char *buffer, const unsigned int buff
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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file_recovery_new->file_check=&file_check_size;
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/* Rich Text Format */
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file_recovery_new->extension="rtf";
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return 1;
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}
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@ -753,40 +793,45 @@ static int header_check_txt(const unsigned char *buffer, const unsigned int buff
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file_recovery_new->calculated_file_size=tmp+i+1;
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file_recovery_new->data_check=NULL;
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file_recovery_new->file_check=&file_check_emlx;
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/* Mac OSX mail */
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file_recovery_new->extension="emlx";
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return 1;
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}
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}
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if(strncasecmp(buffer, "@echo off", 9)==0 ||
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strncasecmp(buffer, "rem ", 4)==0)
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if(strncasecmp((const char *)buffer, "@echo off", 9)==0 ||
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strncasecmp((const char *)buffer, "rem ", 4)==0)
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{
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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file_recovery_new->file_check=&file_check_size;
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/* Dos/Windows bath */
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file_recovery_new->extension="bat";
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return 1;
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}
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if(strncasecmp(buffer, "<%@ language=\"vbscript", 22)==0)
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if(strncasecmp((const char *)buffer, "<%@ language=\"vbscript", 22)==0)
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{
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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file_recovery_new->file_check=&file_check_size;
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/* Microsoft Active Server Pages */
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file_recovery_new->extension="asp";
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return 1;
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}
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if(strncasecmp(buffer, "version 4.00\r\nbegin", 20)==0)
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if(strncasecmp((const char *)buffer, "version 4.00\r\nbegin", 20)==0)
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{
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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file_recovery_new->file_check=&file_check_size;
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/* Microsoft Visual Basic */
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file_recovery_new->extension="vb";
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return 1;
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}
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if(strncasecmp(buffer, "begin:vcard", 11)==0)
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if(strncasecmp((const char *)buffer, "begin:vcard", 11)==0)
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{
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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file_recovery_new->file_check=&file_check_size;
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/* vcard, electronic business cards */
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file_recovery_new->extension="vcf";
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return 1;
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}
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@ -803,6 +848,7 @@ static int header_check_txt(const unsigned char *buffer, const unsigned int buff
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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file_recovery_new->file_check=&file_check_size;
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/* Perl script */
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file_recovery_new->extension="pl";
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return 1;
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}
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@ -811,6 +857,7 @@ static int header_check_txt(const unsigned char *buffer, const unsigned int buff
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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file_recovery_new->file_check=&file_check_size;
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/* Python script */
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file_recovery_new->extension="py";
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return 1;
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}
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@ -819,6 +866,7 @@ static int header_check_txt(const unsigned char *buffer, const unsigned int buff
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reset_file_recovery(file_recovery_new);
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file_recovery_new->data_check=&data_check_txt;
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file_recovery_new->file_check=&file_check_size;
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/* Ruby script */
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file_recovery_new->extension="rb";
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return 1;
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}
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@ -906,16 +954,18 @@ static int header_check_txt(const unsigned char *buffer, const unsigned int buff
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if(strstr(buffer_lower, "[autorun]")!=NULL)
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ext="inf";
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/* Detect .ini */
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else if(buffer[0]=='[' && is_ini(buffer_lower) && l>50)
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else if(buffer[0]=='[' && l>50 && is_ini(buffer_lower))
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ext="ini";
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/* php (Hypertext Preprocessor) script */
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else if(strstr(buffer_lower, "<?php")!=NULL)
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ext="php";
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/* Comma separated values */
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else if(is_csv>0)
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ext="csv";
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/* Detect LaTeX, C, PHP, JSP, ASP, HTML, C header */
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else if(strstr(buffer_lower, "\\begin{")!=NULL)
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ext="tex";
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else if(strstr(buffer, "#include")!=NULL)
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else if(strstr(buffer_lower, "#include")!=NULL)
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ext="c";
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else if(strstr(buffer_lower, "<%@")!=NULL)
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ext="jsp";
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@ -943,14 +993,18 @@ static int header_check_txt(const unsigned char *buffer, const unsigned int buff
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ext="java";
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#endif
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}
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/* Fortran */
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else if(nbrf>10 && ind<0.9 && strstr(buffer_lower, "integer")!=NULL)
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ext="f";
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/* LilyPond http://lilypond.org*/
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else if(strstr(buffer_lower, "\\score {")!=NULL)
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ext="ly"; /* LilyPond http://lilypond.org*/
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ext="ly";
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/* C header file */
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else if(strstr(buffer_lower, "/*")!=NULL && l>50)
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ext="h";
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else if(l<100 || ind<0.03 || ind>0.90)
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ext=NULL;
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/* JavaScript Object Notation */
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else if(memcmp(buffer_lower, "{\"", 2)==0)
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ext="json";
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else
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