diff options
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/file_fxp.c | 84 | ||||
| -rw-r--r-- | src/file_list.c | 2 |
3 files changed, 87 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index afed096..8e2cd44 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -180,6 +180,7 @@ file_C = filegen.c \ file_frm.c \ file_fs.c \ file_fwd.c \ + file_fxp.c \ file_gam.c \ file_gct.c \ file_gho.c \ diff --git a/src/file_fxp.c b/src/file_fxp.c new file mode 100644 index 0000000..ac5e3d7 --- /dev/null +++ b/src/file_fxp.c @@ -0,0 +1,84 @@ +/* + + File: file_fxp.c + + Copyright (C) 2022 Christophe GRENIER <grenier@cgsecurity.org> + + This software is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write the Free Software Foundation, Inc., 51 + Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + + */ + +#if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_fxp) +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#ifdef HAVE_STRING_H +#include <string.h> +#endif +#include <stdio.h> +#include "types.h" +#include "filegen.h" +#include "common.h" + +/*@ requires valid_register_header_check(file_stat); */ +static void register_header_check_fxp(file_stat_t *file_stat); + +const file_hint_t file_hint_fxp= { + .extension="fxp", + .description="FX Preset files", + .max_filesize=PHOTOREC_MAX_FILE_SIZE, + .recover=1, + .enable_by_default=1, + .register_header_check=®ister_header_check_fxp +}; + +struct fxp_header +{ + char magic[4]; + uint32_t size; + char fxmagic[4]; + uint32_t version; + char fxid[4]; + uint32_t fxversion; + uint32_t numPrograms; + char name[28]; + uint32_t chunksize; +} __attribute__ ((gcc_struct, __packed__)); + +/*@ + @ requires valid_header_check_param(buffer, buffer_size, safe_header_only, file_recovery, file_recovery_new); + @ ensures valid_header_check_result(\result, file_recovery_new); + @*/ +static int header_check_fxp(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) +{ + const struct fxp_header *fxp=(const struct fxp_header *)buffer; + if(be32(fxp->size) < sizeof(struct fxp_header)) + return 0; + if(memcmp(&fxp->fxmagic, "FPCh", 4) != 0) + return 0; + reset_file_recovery(file_recovery_new); + file_recovery_new->extension=file_hint_fxp.extension; + file_recovery_new->calculated_file_size=(uint64_t)be32(fxp->size); + file_recovery_new->data_check=&data_check_size; + file_recovery_new->file_check=&file_check_size; + return 1; +} + +static void register_header_check_fxp(file_stat_t *file_stat) +{ + static const unsigned char fxp_header[4]= { 'C' , 'c' , 'n' , 'K' }; + register_header_check(0, fxp_header, sizeof(fxp_header), &header_check_fxp, file_stat); +} +#endif diff --git a/src/file_list.c b/src/file_list.c index 350598e..3173741 100644 --- a/src/file_list.c +++ b/src/file_list.c @@ -422,6 +422,7 @@ extern const file_hint_t file_hint_fs; extern const file_hint_t file_hint_fwd; #endif #if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_gam) +extern const file_hint_t file_hint_fxp; extern const file_hint_t file_hint_gam; #endif #if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_gct) @@ -1466,6 +1467,7 @@ file_enable_t array_file_enable[]= { .enable=0, .file_hint=&file_hint_fwd }, #endif #if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_gam) + { .enable=0, .file_hint=&file_hint_fxp }, { .enable=0, .file_hint=&file_hint_gam }, #endif #if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_gct) |