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-rw-r--r--common/image-fit.c171
1 files changed, 1 insertions, 170 deletions
diff --git a/common/image-fit.c b/common/image-fit.c
index 3ba1ad3..3e72da0 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -827,7 +827,7 @@ int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
* 0, on success
* -1, when algo is unsupported
*/
-static int calculate_hash(const void *data, int data_len, const char *algo,
+int calculate_hash(const void *data, int data_len, const char *algo,
uint8_t *value, int *value_len)
{
if (strcmp(algo, "crc32") == 0) {
@@ -849,175 +849,6 @@ static int calculate_hash(const void *data, int data_len, const char *algo,
return 0;
}
-#ifdef USE_HOSTCC
-/**
- * fit_set_hashes - process FIT component image nodes and calculate hashes
- * @fit: pointer to the FIT format image header
- *
- * fit_set_hashes() adds hash values for all component images in the FIT blob.
- * Hashes are calculated for all component images which have hash subnodes
- * with algorithm property set to one of the supported hash algorithms.
- *
- * returns
- * 0, on success
- * libfdt error code, on failure
- */
-int fit_set_hashes(void *fit)
-{
- int images_noffset;
- int noffset;
- int ndepth;
- int ret;
-
- /* Find images parent node offset */
- images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
- if (images_noffset < 0) {
- printf("Can't find images parent node '%s' (%s)\n",
- FIT_IMAGES_PATH, fdt_strerror(images_noffset));
- return images_noffset;
- }
-
- /* Process its subnodes, print out component images details */
- for (ndepth = 0, noffset = fdt_next_node(fit, images_noffset, &ndepth);
- (noffset >= 0) && (ndepth > 0);
- noffset = fdt_next_node(fit, noffset, &ndepth)) {
- if (ndepth == 1) {
- /*
- * Direct child node of the images parent node,
- * i.e. component image node.
- */
- ret = fit_image_set_hashes(fit, noffset);
- if (ret)
- return ret;
- }
- }
-
- return 0;
-}
-
-/**
- * fit_image_set_hashes - calculate/set hashes for given component image node
- * @fit: pointer to the FIT format image header
- * @image_noffset: requested component image node
- *
- * fit_image_set_hashes() adds hash values for an component image node. All
- * existing hash subnodes are checked, if algorithm property is set to one of
- * the supported hash algorithms, hash value is computed and corresponding
- * hash node property is set, for example:
- *
- * Input component image node structure:
- *
- * o image@1 (at image_noffset)
- * | - data = [binary data]
- * o hash@1
- * |- algo = "sha1"
- *
- * Output component image node structure:
- *
- * o image@1 (at image_noffset)
- * | - data = [binary data]
- * o hash@1
- * |- algo = "sha1"
- * |- value = sha1(data)
- *
- * returns:
- * 0 on sucess
- * <0 on failure
- */
-int fit_image_set_hashes(void *fit, int image_noffset)
-{
- const void *data;
- size_t size;
- char *algo;
- uint8_t value[FIT_MAX_HASH_LEN];
- int value_len;
- int noffset;
- int ndepth;
-
- /* Get image data and data length */
- if (fit_image_get_data(fit, image_noffset, &data, &size)) {
- printf("Can't get image data/size\n");
- return -1;
- }
-
- /* Process all hash subnodes of the component image node */
- for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
- (noffset >= 0) && (ndepth > 0);
- noffset = fdt_next_node(fit, noffset, &ndepth)) {
- if (ndepth == 1) {
- /* Direct child node of the component image node */
-
- /*
- * Check subnode name, must be equal to "hash".
- * Multiple hash nodes require unique unit node
- * names, e.g. hash@1, hash@2, etc.
- */
- if (strncmp(fit_get_name(fit, noffset, NULL),
- FIT_HASH_NODENAME,
- strlen(FIT_HASH_NODENAME)) != 0) {
- /* Not a hash subnode, skip it */
- continue;
- }
-
- if (fit_image_hash_get_algo(fit, noffset, &algo)) {
- printf("Can't get hash algo property for '%s' hash node in '%s' image node\n",
- fit_get_name(fit, noffset, NULL),
- fit_get_name(fit, image_noffset, NULL));
- return -1;
- }
-
- if (calculate_hash(data, size, algo, value,
- &value_len)) {
- printf("Unsupported hash algorithm (%s) for '%s' hash node in '%s' image node\n",
- algo, fit_get_name(fit, noffset, NULL),
- fit_get_name(fit, image_noffset, NULL));
- return -1;
- }
-
- if (fit_image_hash_set_value(fit, noffset, value,
- value_len)) {
- printf("Can't set hash value for '%s' hash node in '%s' image node\n",
- fit_get_name(fit, noffset, NULL),
- fit_get_name(fit, image_noffset, NULL));
- return -1;
- }
- }
- }
-
- return 0;
-}
-
-/**
- * fit_image_hash_set_value - set hash value in requested has node
- * @fit: pointer to the FIT format image header
- * @noffset: hash node offset
- * @value: hash value to be set
- * @value_len: hash value length
- *
- * fit_image_hash_set_value() attempts to set hash value in a node at offset
- * given and returns operation status to the caller.
- *
- * returns
- * 0, on success
- * -1, on failure
- */
-int fit_image_hash_set_value(void *fit, int noffset, uint8_t *value,
- int value_len)
-{
- int ret;
-
- ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len);
- if (ret) {
- printf("Can't set hash '%s' property for '%s' node(%s)\n",
- FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL),
- fdt_strerror(ret));
- return -1;
- }
-
- return 0;
-}
-#endif /* USE_HOSTCC */
-
/**
* fit_image_check_hashes - verify data intergity
* @fit: pointer to the FIT format image header