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7d57485a8a
Add an option to open files in read-only mode in mmap_fdt so that fit_check_sign can be used to inspect files on read-only filesystems. For example, this is useful when a key is shipped in a read-only rootfs or squashfs. Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2014
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*/
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#ifndef _FIT_COMMON_H_
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#define _FIT_COMMON_H_
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#include "imagetool.h"
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#include "mkimage.h"
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#include <image.h>
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/**
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* Verify the format of FIT header pointed to by ptr
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*
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* @ptr: image header to be verified
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* @image_size: size of while image
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* @params: mkimage parameters
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* @return 0 if OK, -1 on error
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*/
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int fit_verify_header(unsigned char *ptr, int image_size,
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struct image_tool_params *params);
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int fit_check_image_types(uint8_t type);
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/**
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* Map an FDT into memory, optionally increasing its size
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*
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* @cmdname: Tool name (for displaying with error messages)
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* @fname: Filename containing FDT
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* @size_inc: Amount to increase size by (0 = leave it alone)
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* @blobp: Returns pointer to FDT blob
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* @sbuf: File status information is stored here
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* @delete_on_error: true to delete the file if we get an error
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* @read_only: true to open in read-only mode
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* @return 0 if OK, -1 on error.
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*/
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int mmap_fdt(const char *cmdname, const char *fname, size_t size_inc,
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void **blobp, struct stat *sbuf, bool delete_on_error,
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bool read_only);
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#endif /* _FIT_COMMON_H_ */
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