1 // SPDX-License-Identifier: GPL-2.0+
5 * Written by Guilherme Maciel Ferreira <guilherme.maciel.ferreira@gmail.com>
12 struct image_type_params
*imagetool_get_type(int type
)
14 struct image_type_params
**curr
;
15 INIT_SECTION(image_type
);
17 struct image_type_params
**start
= __start_image_type
;
18 struct image_type_params
**end
= __stop_image_type
;
20 for (curr
= start
; curr
!= end
; curr
++) {
21 if ((*curr
)->check_image_type
) {
22 if (!(*curr
)->check_image_type(type
))
29 int imagetool_verify_print_header(
32 struct image_type_params
*tparams
,
33 struct image_tool_params
*params
)
36 struct image_type_params
**curr
;
37 INIT_SECTION(image_type
);
39 struct image_type_params
**start
= __start_image_type
;
40 struct image_type_params
**end
= __stop_image_type
;
42 for (curr
= start
; curr
!= end
; curr
++) {
43 if ((*curr
)->verify_header
) {
44 retval
= (*curr
)->verify_header((unsigned char *)ptr
,
45 sbuf
->st_size
, params
);
49 * Print the image information if verify is
52 if ((*curr
)->print_header
) {
54 (*curr
)->print_header(ptr
);
57 "%s: print_header undefined for %s\n",
58 params
->cmdname
, (*curr
)->name
);
68 int imagetool_verify_print_header_by_type(
71 struct image_type_params
*tparams
,
72 struct image_tool_params
*params
)
76 retval
= tparams
->verify_header((unsigned char *)ptr
, sbuf
->st_size
,
81 * Print the image information if verify is successful
83 if (tparams
->print_header
) {
85 tparams
->print_header(ptr
);
88 "%s: print_header undefined for %s\n",
89 params
->cmdname
, tparams
->name
);
93 "%s: verify_header failed for %s with exit code %d\n",
94 params
->cmdname
, tparams
->name
, retval
);
100 int imagetool_save_subimage(
101 const char *file_name
,
107 dfd
= open(file_name
, O_RDWR
| O_CREAT
| O_TRUNC
| O_BINARY
,
110 fprintf(stderr
, "Can't open \"%s\": %s\n",
111 file_name
, strerror(errno
));
115 if (write(dfd
, (void *)file_data
, file_len
) != (ssize_t
)file_len
) {
116 fprintf(stderr
, "Write error on \"%s\": %s\n",
117 file_name
, strerror(errno
));
127 int imagetool_get_filesize(struct image_tool_params
*params
, const char *fname
)
132 fd
= open(fname
, O_RDONLY
| O_BINARY
);
134 fprintf(stderr
, "%s: Can't open %s: %s\n",
135 params
->cmdname
, fname
, strerror(errno
));
139 if (fstat(fd
, &sbuf
) < 0) {
140 fprintf(stderr
, "%s: Can't stat %s: %s\n",
141 params
->cmdname
, fname
, strerror(errno
));
150 time_t imagetool_get_source_date(
154 char *source_date_epoch
= getenv("SOURCE_DATE_EPOCH");
156 if (source_date_epoch
== NULL
)
159 time_t time
= (time_t) strtol(source_date_epoch
, NULL
, 10);
161 if (gmtime(&time
) == NULL
) {
162 fprintf(stderr
, "%s: SOURCE_DATE_EPOCH is not valid\n",