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PhotoRec: code cleanup for .fob recovery

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This commit is contained in:
Christophe Grenier 2014-07-26 15:51:16 +02:00
parent 8fe1fd7abb
commit 90dcbb01f2
1 changed files with 19 additions and 35 deletions
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54
src/file_fob.c
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@ -44,42 +44,26 @@ const file_hint_t file_hint_fob= {
.register_header_check=&register_header_check_fob .register_header_check=&register_header_check_fob
}; };
static const unsigned char sign_navnl[5] = {'N','A','V','N','L'}; static int header_check_fob(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)
static const unsigned char sign_navw[4] = {'N','A','V','W'}; {
static const unsigned char magic_codeunit[9] = {'C','o','d','e','u','n','i','t',' '}; static const unsigned char sign_navnl[5] = {'N','A','V','N','L'};
static const unsigned char magic_dataport[9] = {'D','a','t','a','p','o','r','t',' '}; static const unsigned char sign_navw[4] = {'N','A','V','W'};
static const unsigned char magic_form[5] = {'F','o','r','m',' '}; if(td_memmem(buffer, buffer_size, sign_navnl, sizeof(sign_navnl))==NULL &&
static const unsigned char magic_menusuite[10] = {'M','e','n','u','S','u','i','t','e',' '}; td_memmem(buffer, buffer_size, sign_navw, sizeof(sign_navw))==NULL)
static const unsigned char magic_report[7] = {'R','e','p','o','r','t',' '}; return 0;
static const unsigned char magic_table[6] = {'T','a','b','l','e',' '}; reset_file_recovery(file_recovery_new);
static const unsigned char magic_xmlport[8] = {'X','M','L','p','o','r','t',' '}; file_recovery_new->extension=file_hint_fob.extension;
file_recovery_new->min_filesize=10;
return 1;
}
static void register_header_check_fob(file_stat_t *file_stat) static void register_header_check_fob(file_stat_t *file_stat)
{ {
register_header_check(0, magic_codeunit, sizeof(magic_codeunit), &header_check_fob, file_stat); register_header_check(0, "Codeunit ", 9, &header_check_fob, file_stat);
register_header_check(0, magic_dataport, sizeof(magic_dataport), &header_check_fob, file_stat); register_header_check(0, "Dataport ", 9, &header_check_fob, file_stat);
register_header_check(0, magic_form, sizeof(magic_form), &header_check_fob, file_stat); register_header_check(0, "Form ", 5, &header_check_fob, file_stat);
register_header_check(0, magic_menusuite, sizeof(magic_menusuite), &header_check_fob, file_stat); register_header_check(0, "MenuSuite ", 10, &header_check_fob, file_stat);
register_header_check(0, magic_report, sizeof(magic_report), &header_check_fob, file_stat); register_header_check(0, "Report ", 7, &header_check_fob, file_stat);
register_header_check(0, magic_table, sizeof(magic_table), &header_check_fob, file_stat); register_header_check(0, "Table ", 6, &header_check_fob, file_stat);
register_header_check(0, magic_xmlport, sizeof(magic_xmlport), &header_check_fob, file_stat); register_header_check(0, "XMLport ", 8, &header_check_fob, file_stat);
}
static int header_check_fob(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)
{
if((memcmp(buffer, magic_codeunit, sizeof(magic_codeunit))==0 ||
memcmp(buffer, magic_dataport, sizeof(magic_dataport))==0 ||
memcmp(buffer, magic_form, sizeof(magic_form))==0 ||
memcmp(buffer, magic_menusuite, sizeof(magic_menusuite))==0 ||
memcmp(buffer, magic_report, sizeof(magic_report))==0 ||
memcmp(buffer, magic_table, sizeof(magic_table))==0 ||
memcmp(buffer, magic_xmlport, sizeof(magic_xmlport))==0) &&
(td_memmem(buffer, buffer_size, sign_navnl, sizeof(sign_navnl))!=NULL ||
td_memmem(buffer, buffer_size, sign_navw, sizeof(sign_navw))!=NULL))
{
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_fob.extension;
return 1;
}
return 0;
} }