diff options
Diffstat (limited to 'src/mbn.h')
-rw-r--r-- | src/mbn.h | 85 |
1 files changed, 4 insertions, 81 deletions
@@ -1,8 +1,9 @@ /* * mbn.h - * support for .mbn file format (found in .bbfw files) + * support for Qualcomm MBN (Modem Binary) formats * * Copyright (c) 2012 Nikias Bassen. All Rights Reserved. + * Copyright (c) 2025 Visual Ehrmanntraut <visual@chefkiss.dev>. All Rights Reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -23,85 +24,7 @@ #include <stdint.h> -#define MBN_V1_MAGIC "\x0A\x00\x00\x00" -#define MBN_V1_MAGIC_SIZE 4 - -struct _mbn_header_v1 { - uint32_t type; // the signed .mbn files have 0xA as value. - uint32_t unk_0x04; - uint32_t unk_0x08; - uint32_t unk_0x0c; - uint32_t data_size; // data_size = total_size - sizeof(mbn_header) - uint32_t sig_offset; // real offset = enc_sig_offset & 0xFFFFFF00 - uint32_t unk_0x18; - uint32_t unk_0x1c; - uint32_t unk_0x20; - uint32_t unk_0x24; -} __attribute__((packed)); -typedef struct _mbn_header_v1 mbn_header_v1; - -#define MBN_V2_MAGIC "\xD1\xDC\x4B\x84\x34\x10\xD7\x73" -#define MBN_V2_MAGIC_SIZE 8 - -struct _mbn_header_v2 { - unsigned char magic1[8]; - uint32_t unk_0x08; - uint32_t unk_0x0c; // 0xFFFFFFFF - uint32_t unk_0x10; // 0xFFFFFFFF - uint32_t header_size; - uint32_t unk_0x18; - uint32_t data_size; // data_size = total_size - sizeof(mbn_header_v2) - uint32_t sig_offset; - uint32_t unk_0x24; - uint32_t unk_0x28; - uint32_t unk_0x2c; - uint32_t unk_0x30; - uint32_t unk_0x34; // 0x1 - uint32_t unk_0x38; // 0x1 - uint32_t unk_0x3c; // 0xFFFFFFFF - uint32_t unk_0x40; // 0xFFFFFFFF - uint32_t unk_0x44; // 0xFFFFFFFF - uint32_t unk_0x48; // 0xFFFFFFFF - uint32_t unk_0x4c; // 0xFFFFFFFF -} __attribute__((packed)); -typedef struct _mbn_header_v2 mbn_header_v2; - -#define BIN_MAGIC "\x7D\x04\x00\xEA\x6C\x69\x48\x55" -#define BIN_MAGIC_SIZE 8 - -struct _bin_header { - unsigned char magic[8]; - uint32_t unk_0x08; - uint32_t version; - uint32_t total_size; // size including header - uint32_t unk_0x14; // some offset -} __attribute__((packed)); -typedef struct _bin_header bin_header; - -#define ELF_MAGIC "\x7F\x45\x4C\x46\x01\x01\x01\x00" // ELF magic, 32bit, little endian, SYSV -#define ELF_MAGIC_SIZE 8 - -struct _elf_header { - unsigned char magic[8]; -} __attribute__((packed)); -typedef struct _elf_header elf_header; - -typedef struct { - uint32_t version; - union { - mbn_header_v1 v1; - mbn_header_v2 v2; - bin_header bin; - elf_header elf; - } header; - uint32_t parsed_size; - uint32_t parsed_sig_offset; - void* data; - uint32_t size; -} mbn_file; - -mbn_file* mbn_parse(const void* data, size_t size); -void mbn_free(mbn_file* mbn); -int mbn_update_sig_blob(mbn_file* mbn, const void* data, size_t size); +void* mbn_stitch(const void* data, size_t data_size, const void* blob, size_t blob_size); +void* mbn_mav25_stitch(const void* data, size_t data_size, const void* blob, size_t blob_size); #endif |