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authorChristophe Grenier <grenier@cgsecurity.org>2007-10-29 22:38:52 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2007-10-29 22:38:52 +0100
commit9928d99936105b4653d2d1b8ca74dc3ffba5c71e (patch)
tree06aa4f5e9f0055027c6fb54dd47a8414cf2fba32 /src/file_aif.c
First version in git
Diffstat (limited to 'src/file_aif.c')
-rw-r--r--src/file_aif.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/file_aif.c b/src/file_aif.c
new file mode 100644
index 0000000..9127ea3
--- /dev/null
+++ b/src/file_aif.c
@@ -0,0 +1,66 @@
+/*
+
+ File: file_aif.c
+
+ Copyright (C) 2006-2007 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.
+
+ */
+
+#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"
+
+static void register_header_check_aif(file_stat_t *file_stat);
+static int header_check_aif(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 file_hint_t file_hint_aif= {
+ .extension="aif",
+ .description="Audio Interchange File Format",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .header_check=&header_check_aif,
+ .register_header_check=&register_header_check_aif
+};
+
+static const unsigned char aif_header[4]= {'F','O','R','M'};
+
+static void register_header_check_aif(file_stat_t *file_stat)
+{
+ register_header_check(0, aif_header,sizeof(aif_header), &header_check_aif, file_stat);
+}
+
+static int header_check_aif(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,aif_header,sizeof(aif_header))==0 &&
+ buffer[8]=='A' && buffer[9]=='I' && buffer[10]=='F' && (buffer[11]=='F' || buffer[11]=='C'))
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_aif.extension;
+ file_recovery_new->calculated_file_size=((uint64_t)buffer[7]+(((uint64_t)buffer[6])<<8)+(((uint64_t)buffer[5])<<16)+(((uint64_t)buffer[4])<<24))+8;
+ file_recovery_new->data_check=&data_check_size;
+ file_recovery_new->file_check=&file_check_size;
+ return 1;
+ }
+ return 0;
+}