Add support for Mav25 baseband firmware (iPhone 17 family)

Co-authored-by: Nikias Bassen <nikias@gmx.li>

1 files changed, 4 insertions, 81 deletions

diff --git a/src/mbn.h b/src/mbn.h
index a328128..ff44797 100644
--- a/src/mbn.h
+++ b/src/mbn.h
@@ -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