diff options
| -rw-r--r-- | common/image-fit.c | 171 | ||||
| -rw-r--r-- | include/image.h | 3 | ||||
| -rw-r--r-- | tools/Makefile | 2 | ||||
| -rw-r--r-- | tools/image-host.c | 201 |
4 files changed, 207 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 diff --git a/include/image.h b/include/image.h index 7149cba..21d9213 100644 --- a/include/image.h +++ b/include/image.h @@ -636,6 +636,9 @@ void fit_conf_print(const void *fit, int noffset, const char *p); int fit_check_ramdisk(const void *fit, int os_noffset, uint8_t arch, int verify); +int calculate_hash(const void *data, int data_len, const char *algo, + uint8_t *value, int *value_len); + #ifndef USE_HOSTCC static inline int fit_image_check_target_arch(const void *fdt, int node) { diff --git a/tools/Makefile b/tools/Makefile index 067d3e4..26eb500 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -96,6 +96,7 @@ NOPED_OBJ_FILES-y += aisimage.o NOPED_OBJ_FILES-y += kwbimage.o NOPED_OBJ_FILES-y += pblimage.o NOPED_OBJ_FILES-y += imximage.o +NOPED_OBJ_FILES-y += image-host.o NOPED_OBJ_FILES-y += omapimage.o NOPED_OBJ_FILES-y += mkenvimage.o NOPED_OBJ_FILES-y += mkimage.o @@ -212,6 +213,7 @@ $(obj)mkimage$(SFX): $(obj)aisimage.o \ $(obj)fit_image.o \ $(obj)image-fit.o \ $(obj)image.o \ + $(obj)image-host.o \ $(obj)imximage.o \ $(obj)kwbimage.o \ $(obj)pblimage.o \ diff --git a/tools/image-host.c b/tools/image-host.c new file mode 100644 index 0000000..82b6cee --- /dev/null +++ b/tools/image-host.c @@ -0,0 +1,201 @@ +/* + * Copyright (c) 2013, Google Inc. + * + * (C) Copyright 2008 Semihalf + * + * (C) Copyright 2000-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include "mkimage.h" +#include <bootstage.h> +#include <image.h> +#include <sha1.h> +#include <time.h> +#include <u-boot/crc.h> +#include <u-boot/md5.h> + +/** + * 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; +} |