blob: 01649760ac00c65653eb58bbc6e253f0994de822 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Heiko Schocher6bf4ca02014-03-03 12:19:29 +01002/*
3 * (C) Copyright 2014
4 * DENX Software Engineering
5 * Heiko Schocher <hs@denx.de>
6 *
7 * (C) Copyright 2008 Semihalf
8 *
9 * (C) Copyright 2000-2004
10 * DENX Software Engineering
11 * Wolfgang Denk, wd@denx.de
12 *
13 * Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
14 * FIT image specific code abstracted from mkimage.c
15 * some functions added to address abstraction
16 *
17 * All rights reserved.
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010018 */
19
20#include "imagetool.h"
21#include "mkimage.h"
22#include "fit_common.h"
23#include <image.h>
24#include <u-boot/crc.h>
25
26int fit_verify_header(unsigned char *ptr, int image_size,
27 struct image_tool_params *params)
28{
Stefan Eichenberger6f08eee2022-01-10 18:48:32 +010029 int ret;
30
31 if (fdt_check_header(ptr) != EXIT_SUCCESS)
Jordan Handd32aa3c2019-03-05 14:47:56 -080032 return EXIT_FAILURE;
33
Stefan Eichenberger6f08eee2022-01-10 18:48:32 +010034 ret = fit_check_format(ptr, IMAGE_SIZE_INVAL);
35 if (ret) {
36 if (ret != -EADDRNOTAVAIL)
37 return EXIT_FAILURE;
38 fprintf(stderr, "Image contains unit addresses @, this will break signing\n");
39 }
40
Jordan Handd32aa3c2019-03-05 14:47:56 -080041 return EXIT_SUCCESS;
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010042}
43
44int fit_check_image_types(uint8_t type)
45{
46 if (type == IH_TYPE_FLATDT)
47 return EXIT_SUCCESS;
48 else
49 return EXIT_FAILURE;
50}
51
Simon Glassa9468112014-06-02 22:04:53 -060052int mmap_fdt(const char *cmdname, const char *fname, size_t size_inc,
Luca Boccassi7d574852019-05-14 19:35:02 +010053 void **blobp, struct stat *sbuf, bool delete_on_error,
54 bool read_only)
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010055{
56 void *ptr;
57 int fd;
58
59 /* Load FIT blob into memory (we need to write hashes/signatures) */
Luca Boccassi7d574852019-05-14 19:35:02 +010060 fd = open(fname, (read_only ? O_RDONLY : O_RDWR) | O_BINARY);
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010061
62 if (fd < 0) {
63 fprintf(stderr, "%s: Can't open %s: %s\n",
64 cmdname, fname, strerror(errno));
Simon Glassef0af642014-06-02 22:04:52 -060065 goto err;
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010066 }
67
68 if (fstat(fd, sbuf) < 0) {
69 fprintf(stderr, "%s: Can't stat %s: %s\n",
70 cmdname, fname, strerror(errno));
Simon Glassef0af642014-06-02 22:04:52 -060071 goto err;
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010072 }
73
Simon Glassa9468112014-06-02 22:04:53 -060074 if (size_inc) {
75 sbuf->st_size += size_inc;
76 if (ftruncate(fd, sbuf->st_size)) {
77 fprintf(stderr, "%s: Can't expand %s: %s\n",
78 cmdname, fname, strerror(errno));
79 goto err;
80 }
81 }
82
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010083 errno = 0;
Luca Boccassi7d574852019-05-14 19:35:02 +010084 ptr = mmap(0, sbuf->st_size,
85 (read_only ? PROT_READ : PROT_READ | PROT_WRITE), MAP_SHARED,
86 fd, 0);
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010087 if ((ptr == MAP_FAILED) || (errno != 0)) {
88 fprintf(stderr, "%s: Can't read %s: %s\n",
89 cmdname, fname, strerror(errno));
Simon Glassef0af642014-06-02 22:04:52 -060090 goto err;
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010091 }
92
93 /* check if ptr has a valid blob */
94 if (fdt_check_header(ptr)) {
95 fprintf(stderr, "%s: Invalid FIT blob\n", cmdname);
Simon Glassef0af642014-06-02 22:04:52 -060096 goto err;
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010097 }
98
Simon Glassa9468112014-06-02 22:04:53 -060099 /* expand if needed */
100 if (size_inc) {
101 int ret;
102
103 ret = fdt_open_into(ptr, ptr, sbuf->st_size);
104 if (ret) {
105 fprintf(stderr, "%s: Cannot expand FDT: %s\n",
106 cmdname, fdt_strerror(ret));
107 goto err;
108 }
109 }
110
Heiko Schocher6bf4ca02014-03-03 12:19:29 +0100111 *blobp = ptr;
112 return fd;
Simon Glassef0af642014-06-02 22:04:52 -0600113
114err:
115 if (fd >= 0)
116 close(fd);
117 if (delete_on_error)
118 unlink(fname);
119
120 return -1;
Heiko Schocher6bf4ca02014-03-03 12:19:29 +0100121}
Simon Glasse291a5c2021-11-12 12:28:04 -0700122
123int copyfile(const char *src, const char *dst)
124{
125 int fd_src = -1, fd_dst = -1;
126 void *buf = NULL;
127 ssize_t size;
128 size_t count;
129 int ret = -1;
130
131 fd_src = open(src, O_RDONLY);
132 if (fd_src < 0) {
133 printf("Can't open file %s (%s)\n", src, strerror(errno));
134 goto out;
135 }
136
Simon Glass7ae46c32021-11-12 12:28:05 -0700137 fd_dst = open(dst, O_WRONLY | O_CREAT | O_TRUNC, 0666);
Simon Glasse291a5c2021-11-12 12:28:04 -0700138 if (fd_dst < 0) {
139 printf("Can't open file %s (%s)\n", dst, strerror(errno));
140 goto out;
141 }
142
143 buf = calloc(1, 512);
144 if (!buf) {
145 printf("Can't allocate buffer to copy file\n");
146 goto out;
147 }
148
149 while (1) {
150 size = read(fd_src, buf, 512);
151 if (size < 0) {
152 printf("Can't read file %s\n", src);
153 goto out;
154 }
155 if (!size)
156 break;
157
158 count = size;
159 size = write(fd_dst, buf, count);
160 if (size < 0) {
161 printf("Can't write file %s\n", dst);
162 goto out;
163 }
164 }
165
166 ret = 0;
167
168 out:
169 if (fd_src >= 0)
170 close(fd_src);
171 if (fd_dst >= 0)
172 close(fd_dst);
173 if (buf)
174 free(buf);
175
176 return ret;
177}
Simon Glass2d2384b2021-11-12 12:28:13 -0700178
179void summary_show(struct image_summary *summary, const char *imagefile,
180 const char *keydest)
181{
182 if (summary->sig_offset) {
183 printf("Signature written to '%s', node '%s'\n", imagefile,
184 summary->sig_path);
185 if (keydest) {
186 printf("Public key written to '%s', node '%s'\n",
187 keydest, summary->keydest_path);
188 }
189 }
190}