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PhotoRec: improve Thunderbird mailbox recovery

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This commit is contained in:
Christophe Grenier 2018-02-07 18:53:43 +01:00
parent 1de381c175
commit 6f145cc96b
1 changed files with 28 additions and 0 deletions
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28
src/file_txt.c
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@ -911,6 +911,33 @@ static int header_check_xmp(const unsigned char *buffer, const unsigned int buff
return 1;
}
static void file_check_thunderbird(file_recovery_t *file_recovery)
{
if(file_recovery->file_size<file_recovery->calculated_file_size)
{
file_recovery->file_size=0;
return;
}
file_recovery->file_size=file_recovery->calculated_file_size;
}
static int header_check_thunderbird(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)
{
unsigned int i;
if(file_recovery->file_stat!=NULL &&
file_recovery->file_stat->file_hint==&file_hint_fasttxt &&
strcmp(file_recovery->extension,"mbox")==0)
return 0;
for(i=0; i<64; i++)
if(buffer[i]==0)
return 0;
reset_file_recovery(file_recovery_new);
file_recovery_new->data_check=&data_check_txt;
file_recovery_new->file_check=&file_check_thunderbird;
file_recovery_new->extension="mbox";
return 1;
}
static int header_check_mbox(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)
{
unsigned int i;
@ -1440,6 +1467,7 @@ static void register_header_check_fasttxt(file_stat_t *file_stat)
register_header_check(0, "<!DOCTYPE HTML", 14, &header_check_html, file_stat);
// register_header_check(0, "<html", 5, &header_check_html, file_stat);
register_header_check(0, "BEGIN:VCALENDAR", 15, &header_check_ics, file_stat);
register_header_check(0, "From - ", 7, &header_check_thunderbird, file_stat);
register_header_check(0, "From ", 5, &header_check_mbox, file_stat);
register_header_check(0, "Message-ID: ", 12, &header_check_mbox, file_stat);
register_header_check(0, "MIME-Version:", 13, &header_check_mbox, file_stat);