summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorChristophe Grenier <grenier@cgsecurity.org>2022-11-16 07:49:40 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2022-11-16 07:49:40 +0100
commitf8b86d4f66ac55b2be57e2c4e18a9d1c4fad454b (patch)
treef2b94d4b4d74e0794b435685e31c50a41a19389f /src
parent1c09ffcb6f0a3c0defb6ef9e0e576d06fcf2031a (diff)
PhotoRec: recover FX Preset .fxp filesHEADmaster
Diffstat (limited to 'src')
-rw-r--r--src/Makefile.am1
-rw-r--r--src/file_fxp.c84
-rw-r--r--src/file_list.c2
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=&register_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)