mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
136 lines
2.7 KiB
136 lines
2.7 KiB
// SPDX-License-Identifier: GPL-2.0+ |
|
/* |
|
* (C) Copyright 2013 |
|
* |
|
* Written by Guilherme Maciel Ferreira <[email protected]> |
|
*/ |
|
|
|
#include "imagetool.h" |
|
|
|
#include <image.h> |
|
|
|
struct image_type_params *imagetool_get_type(int type) |
|
{ |
|
struct image_type_params **curr; |
|
INIT_SECTION(image_type); |
|
|
|
struct image_type_params **start = __start_image_type; |
|
struct image_type_params **end = __stop_image_type; |
|
|
|
for (curr = start; curr != end; curr++) { |
|
if ((*curr)->check_image_type) { |
|
if (!(*curr)->check_image_type(type)) |
|
return *curr; |
|
} |
|
} |
|
return NULL; |
|
} |
|
|
|
int imagetool_verify_print_header( |
|
void *ptr, |
|
struct stat *sbuf, |
|
struct image_type_params *tparams, |
|
struct image_tool_params *params) |
|
{ |
|
int retval = -1; |
|
struct image_type_params **curr; |
|
INIT_SECTION(image_type); |
|
|
|
struct image_type_params **start = __start_image_type; |
|
struct image_type_params **end = __stop_image_type; |
|
|
|
for (curr = start; curr != end; curr++) { |
|
if ((*curr)->verify_header) { |
|
retval = (*curr)->verify_header((unsigned char *)ptr, |
|
sbuf->st_size, params); |
|
|
|
if (retval == 0) { |
|
/* |
|
* Print the image information if verify is |
|
* successful |
|
*/ |
|
if ((*curr)->print_header) { |
|
if (!params->quiet) |
|
(*curr)->print_header(ptr); |
|
} else { |
|
fprintf(stderr, |
|
"%s: print_header undefined for %s\n", |
|
params->cmdname, (*curr)->name); |
|
} |
|
break; |
|
} |
|
} |
|
} |
|
|
|
return retval; |
|
} |
|
|
|
int imagetool_save_subimage( |
|
const char *file_name, |
|
ulong file_data, |
|
ulong file_len) |
|
{ |
|
int dfd; |
|
|
|
dfd = open(file_name, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, |
|
S_IRUSR | S_IWUSR); |
|
if (dfd < 0) { |
|
fprintf(stderr, "Can't open \"%s\": %s\n", |
|
file_name, strerror(errno)); |
|
return -1; |
|
} |
|
|
|
if (write(dfd, (void *)file_data, file_len) != (ssize_t)file_len) { |
|
fprintf(stderr, "Write error on \"%s\": %s\n", |
|
file_name, strerror(errno)); |
|
close(dfd); |
|
return -1; |
|
} |
|
|
|
close(dfd); |
|
|
|
return 0; |
|
} |
|
|
|
int imagetool_get_filesize(struct image_tool_params *params, const char *fname) |
|
{ |
|
struct stat sbuf; |
|
int fd; |
|
|
|
fd = open(fname, O_RDONLY | O_BINARY); |
|
if (fd < 0) { |
|
fprintf(stderr, "%s: Can't open %s: %s\n", |
|
params->cmdname, fname, strerror(errno)); |
|
return -1; |
|
} |
|
|
|
if (fstat(fd, &sbuf) < 0) { |
|
fprintf(stderr, "%s: Can't stat %s: %s\n", |
|
params->cmdname, fname, strerror(errno)); |
|
close(fd); |
|
return -1; |
|
} |
|
close(fd); |
|
|
|
return sbuf.st_size; |
|
} |
|
|
|
time_t imagetool_get_source_date( |
|
const char *cmdname, |
|
time_t fallback) |
|
{ |
|
char *source_date_epoch = getenv("SOURCE_DATE_EPOCH"); |
|
|
|
if (source_date_epoch == NULL) |
|
return fallback; |
|
|
|
time_t time = (time_t) strtol(source_date_epoch, NULL, 10); |
|
|
|
if (gmtime(&time) == NULL) { |
|
fprintf(stderr, "%s: SOURCE_DATE_EPOCH is not valid\n", |
|
cmdname); |
|
time = 0; |
|
} |
|
|
|
return time; |
|
}
|
|
|