#include <version.h>
#include <u-boot/crc.h>
-static image_header_t header;
+static struct legacy_img_hdr header;
static int fit_add_file_data(struct image_tool_params *params, size_t size_inc,
const char *tmpfile)
tfd = mmap_fdt(params->cmdname, tmpfile, size_inc, &ptr, &sbuf, true,
false);
- if (tfd < 0)
+ if (tfd < 0) {
+ fprintf(stderr, "Cannot map FDT file '%s'\n", tmpfile);
return -EIO;
+ }
if (params->keydest) {
struct stat dest_sbuf;
}
/* for first image creation, add a timestamp at offset 0 i.e., root */
- if (params->datafile) {
+ if (params->datafile || params->reset_timestamp) {
time_t time = imagetool_get_source_date(params->cmdname,
sbuf.st_mtime);
ret = fit_set_timestamp(ptr, 0, time);
}
+ if (CONFIG_IS_ENABLED(FIT_SIGNATURE) && !ret)
+ ret = fit_pre_load_data(params->keydir, dest_blob, ptr);
+
if (!ret) {
ret = fit_cipher_data(params->keydir, dest_blob, ptr,
params->comment,
}
if (!ret) {
- ret = fit_add_verification_data(params->keydir, dest_blob, ptr,
+ ret = fit_add_verification_data(params->keydir,
+ params->keyfile, dest_blob, ptr,
params->comment,
params->require_keys,
params->engine_id,
- params->cmdname);
+ params->cmdname,
+ params->algo_name,
+ ¶ms->summary);
}
if (dest_blob) {
int ret;
int fd;
- fd = open(fname, O_RDWR | O_BINARY);
+ fd = open(fname, O_RDONLY | O_BINARY);
if (fd < 0) {
fprintf(stderr, "%s: Can't open %s: %s\n",
params->cmdname, fname, strerror(errno));
}
/**
- * add_crc_node() - Add a hash node to request a CRC checksum for an image
+ * fit_add_hash_or_sign() - Add a hash or signature node
*
+ * @params: Image parameters
* @fdt: Device tree to add to (in sequential-write mode)
+ * @is_images_subnode: true to add hash even if key name hint is provided
+ *
+ * If do_add_hash is false (default) and there is a key name hint, try to add
+ * a sign node to parent. Otherwise, just add a CRC. Rationale: if conf have
+ * to be signed, image/dt have to be hashed even if there is a key name hint.
*/
-static void add_crc_node(void *fdt)
+static void fit_add_hash_or_sign(struct image_tool_params *params, void *fdt,
+ bool is_images_subnode)
{
- fdt_begin_node(fdt, "hash-1");
- fdt_property_string(fdt, FIT_ALGO_PROP, "crc32");
- fdt_end_node(fdt);
+ const char *hash_algo = "crc32";
+ bool do_hash = false;
+ bool do_sign = false;
+
+ switch (params->auto_fit) {
+ case AF_OFF:
+ break;
+ case AF_HASHED_IMG:
+ do_hash = is_images_subnode;
+ break;
+ case AF_SIGNED_IMG:
+ do_sign = is_images_subnode;
+ break;
+ case AF_SIGNED_CONF:
+ if (is_images_subnode) {
+ do_hash = true;
+ hash_algo = "sha1";
+ } else {
+ do_sign = true;
+ }
+ break;
+ default:
+ fprintf(stderr,
+ "%s: Unsupported auto FIT mode %u\n",
+ params->cmdname, params->auto_fit);
+ break;
+ }
+
+ if (do_hash) {
+ fdt_begin_node(fdt, FIT_HASH_NODENAME);
+ fdt_property_string(fdt, FIT_ALGO_PROP, hash_algo);
+ fdt_end_node(fdt);
+ }
+
+ if (do_sign) {
+ fdt_begin_node(fdt, FIT_SIG_NODENAME);
+ fdt_property_string(fdt, FIT_ALGO_PROP, params->algo_name);
+ fdt_property_string(fdt, FIT_KEY_HINT, params->keyname);
+ fdt_end_node(fdt);
+ }
}
/**
ret = fdt_property_file(params, fdt, FIT_DATA_PROP, params->datafile);
if (ret)
return ret;
- add_crc_node(fdt);
+ fit_add_hash_or_sign(params, fdt, true);
fdt_end_node(fdt);
/* Now the device tree files if available */
genimg_get_arch_short_name(params->arch));
fdt_property_string(fdt, FIT_COMP_PROP,
genimg_get_comp_short_name(IH_COMP_NONE));
- add_crc_node(fdt);
+ fit_add_hash_or_sign(params, fdt, true);
+ if (ret)
+ return ret;
fdt_end_node(fdt);
}
params->fit_ramdisk);
if (ret)
return ret;
- add_crc_node(fdt);
+ fit_add_hash_or_sign(params, fdt, true);
+ if (ret)
+ return ret;
fdt_end_node(fdt);
}
snprintf(str, sizeof(str), FIT_FDT_PROP "-%d", upto);
fdt_property_string(fdt, FIT_FDT_PROP, str);
+ fit_add_hash_or_sign(params, fdt, false);
fdt_end_node(fdt);
}
if (params->fit_ramdisk)
fdt_property_string(fdt, FIT_RAMDISK_PROP,
FIT_RAMDISK_PROP "-1");
+ fit_add_hash_or_sign(params, fdt, false);
fdt_end_node(fdt);
}
size = fit_calc_size(params);
if (size < 0)
return -1;
- buf = malloc(size);
+ buf = calloc(1, size);
if (!buf) {
fprintf(stderr, "%s: Out of memory (%d bytes)\n",
params->cmdname, size);
{
void *buf = NULL;
int buf_ptr;
- int fit_size, new_size;
+ int fit_size, unpadded_size, new_size, pad_boundary;
int fd;
struct stat sbuf;
void *fdt;
* Allocate space to hold the image data we will extract,
* extral space allocate for image alignment to prevent overflow.
*/
- buf = malloc(fit_size + (align_size * image_number));
+ buf = calloc(1, fit_size + (align_size * image_number));
if (!buf) {
ret = -ENOMEM;
goto err_munmap;
/* Pack the FDT and place the data after it */
fdt_pack(fdt);
- new_size = fdt_totalsize(fdt);
- new_size = ALIGN(new_size, align_size);
+ unpadded_size = fdt_totalsize(fdt);
+ new_size = ALIGN(unpadded_size, align_size);
fdt_set_totalsize(fdt, new_size);
+ if (unpadded_size < fit_size) {
+ pad_boundary = new_size < fit_size ? new_size : fit_size;
+ memset(fdt + unpadded_size, 0, pad_boundary - unpadded_size);
+ }
debug("Size reduced from %x to %x\n", fit_size, fdt_totalsize(fdt));
debug("External data size %x\n", buf_ptr);
munmap(fdt, sbuf.st_size);
/* Check if an offset for the external data was set. */
if (params->external_offset > 0) {
if (params->external_offset < new_size) {
- debug("External offset %x overlaps FIT length %x",
- params->external_offset, new_size);
+ fprintf(stderr,
+ "External offset %x overlaps FIT length %x\n",
+ params->external_offset, new_size);
ret = -EINVAL;
goto err;
}
static int fit_import_data(struct image_tool_params *params, const char *fname)
{
void *fdt, *old_fdt;
+ void *data = NULL;
+ const char *ext_data_prop = NULL;
int fit_size, new_size, size, data_base;
int fd;
struct stat sbuf;
/* Allocate space to hold the new FIT */
size = sbuf.st_size + 16384;
- fdt = malloc(size);
+ fdt = calloc(1, size);
if (!fdt) {
fprintf(stderr, "%s: Failed to allocate memory (%d bytes)\n",
__func__, size);
int buf_ptr;
int len;
- buf_ptr = fdtdec_get_int(fdt, node, "data-offset", -1);
- len = fdtdec_get_int(fdt, node, "data-size", -1);
- if (buf_ptr == -1 || len == -1)
+ /*
+ * FIT_DATA_OFFSET_PROP and FIT_DATA_POSITION_PROP are never both present,
+ * but if they are, prefer FIT_DATA_OFFSET_PROP as it was there first
+ */
+ buf_ptr = fdtdec_get_int(fdt, node, FIT_DATA_POSITION_PROP, -1);
+ if (buf_ptr != -1) {
+ ext_data_prop = FIT_DATA_POSITION_PROP;
+ data = old_fdt + buf_ptr;
+ }
+ buf_ptr = fdtdec_get_int(fdt, node, FIT_DATA_OFFSET_PROP, -1);
+ if (buf_ptr != -1) {
+ ext_data_prop = FIT_DATA_OFFSET_PROP;
+ data = old_fdt + data_base + buf_ptr;
+ }
+ len = fdtdec_get_int(fdt, node, FIT_DATA_SIZE_PROP, -1);
+ if (!data || len == -1)
continue;
debug("Importing data size %x\n", len);
- ret = fdt_setprop(fdt, node, "data", fdt + data_base + buf_ptr,
- len);
+ ret = fdt_setprop(fdt, node, FIT_DATA_PROP, data, len);
+ ret = fdt_delprop(fdt, node, ext_data_prop);
+
if (ret) {
debug("%s: Failed to write property: %s\n", __func__,
fdt_strerror(ret));
return ret;
}
-static int copyfile(const char *src, const char *dst)
-{
- int fd_src = -1, fd_dst = -1;
- void *buf = NULL;
- ssize_t size;
- size_t count;
- int ret = -1;
-
- fd_src = open(src, O_RDONLY);
- if (fd_src < 0) {
- printf("Can't open file %s (%s)\n", src, strerror(errno));
- goto out;
- }
-
- fd_dst = open(dst, O_WRONLY | O_CREAT, 0666);
- if (fd_dst < 0) {
- printf("Can't open file %s (%s)\n", dst, strerror(errno));
- goto out;
- }
-
- buf = malloc(512);
- if (!buf) {
- printf("Can't allocate buffer to copy file\n");
- goto out;
- }
-
- while (1) {
- size = read(fd_src, buf, 512);
- if (size < 0) {
- printf("Can't read file %s\n", src);
- goto out;
- }
- if (!size)
- break;
-
- count = size;
- size = write(fd_dst, buf, count);
- if (size < 0) {
- printf("Can't write file %s\n", dst);
- goto out;
- }
- }
-
- ret = 0;
-
- out:
- if (fd_src >= 0)
- close(fd_src);
- if (fd_dst >= 0)
- close(fd_dst);
- if (buf)
- free(buf);
-
- return ret;
-}
-
/**
* fit_handle_file - main FIT file processing function
*
if (strlen (params->imagefile) +
strlen (MKIMAGE_TMPFILE_SUFFIX) + 1 > sizeof (tmpfile)) {
fprintf (stderr, "%s: Image file name (%s) too long, "
- "can't create tmpfile",
+ "can't create tmpfile.\n",
params->imagefile, params->cmdname);
return (EXIT_FAILURE);
}
sprintf (tmpfile, "%s%s", params->imagefile, MKIMAGE_TMPFILE_SUFFIX);
/* We either compile the source file, or use the existing FIT image */
- if (params->auto_its) {
+ if (params->auto_fit) {
if (fit_build(params, tmpfile)) {
fprintf(stderr, "%s: failed to build FIT\n",
params->cmdname);
/* Indent string is defined in header image.h */
p = IMAGE_INDENT_STRING;
- if (!fit_check_format(fit)) {
- printf("Bad FIT image format\n");
- return -1;
- }
-
/* Find images parent node offset */
images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
if (images_noffset < 0) {
static int fit_check_params(struct image_tool_params *params)
{
- if (params->auto_its)
+ if (params->auto_fit)
return 0;
return ((params->dflag && params->fflag) ||
(params->fflag && params->lflag) ||
U_BOOT_IMAGE_TYPE(
fitimage,
"FIT Image support",
- sizeof(image_header_t),
+ sizeof(struct legacy_img_hdr),
(void *)&header,
fit_check_params,
fit_verify_header,
- fit_print_contents,
+ fit_print_header,
NULL,
fit_extract_contents,
fit_check_image_types,