diff --git a/src/Makefile.am b/src/Makefile.am index e54f6024..afed096f 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -265,6 +265,7 @@ file_C = filegen.c \ file_ogg.c \ file_one.c \ file_orf.c \ + file_pa.c \ file_paf.c \ file_pap.c \ file_par2.c \ diff --git a/src/file_list.c b/src/file_list.c index 61433e79..350598ec 100644 --- a/src/file_list.c +++ b/src/file_list.c @@ -679,6 +679,9 @@ extern const file_hint_t file_hint_one; #if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_orf) extern const file_hint_t file_hint_orf; #endif +#if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_pa) +extern const file_hint_t file_hint_pa; +#endif #if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_paf) extern const file_hint_t file_hint_paf; #endif @@ -1720,6 +1723,9 @@ file_enable_t array_file_enable[]= #if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_orf) { .enable=0, .file_hint=&file_hint_orf }, #endif +#if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_pa) + { .enable=0, .file_hint=&file_hint_pa }, +#endif #if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_paf) { .enable=0, .file_hint=&file_hint_paf }, #endif diff --git a/src/file_pa.c b/src/file_pa.c new file mode 100644 index 00000000..3819bab0 --- /dev/null +++ b/src/file_pa.c @@ -0,0 +1,79 @@ +/* + + File: file_pa.c + + Copyright (C) 2022 Christophe GRENIER + + 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_pa) +#ifdef HAVE_CONFIG_H +#include +#endif +#ifdef HAVE_STRING_H +#include +#endif +#include +#include "types.h" +#include "filegen.h" +#include "common.h" + +/*@ requires valid_register_header_check(file_stat); */ +static void register_header_check_pa(file_stat_t *file_stat); + +const file_hint_t file_hint_pa= { + .extension="pa", + .description="PowerArchiver", + .max_filesize=PHOTOREC_MAX_FILE_SIZE, + .recover=1, + .enable_by_default=1, + .register_header_check=®ister_header_check_pa +}; + +struct pa_header +{ + char magic[8]; + uint32_t unk; + uint64_t size; +} __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_pa(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 pa_header *hdr=(const struct pa_header *)buffer; + const uint64_t size=le64(hdr->size); + if(size > PHOTOREC_MAX_FILE_SIZE) + return 0; + reset_file_recovery(file_recovery_new); + file_recovery_new->extension=file_hint_pa.extension; + file_recovery_new->calculated_file_size=70+size; + file_recovery_new->data_check=&data_check_size; + file_recovery_new->file_check=&file_check_size; + return 1; +} + +static void register_header_check_pa(file_stat_t *file_stat) +{ + static const unsigned char pa_header[8]= { + 'P' , 'a' , 'F' , 'i' , 'L' , 'e' , 0x00, 0x04 + }; + register_header_check(0, pa_header, sizeof(pa_header), &header_check_pa, file_stat); +} +#endif