diff options
| -rw-r--r-- | common/bootm.c | 71 | ||||
| -rw-r--r-- | common/image-fit.c | 3 | ||||
| -rw-r--r-- | doc/uImage.FIT/signature.txt | 3 | ||||
| -rw-r--r-- | include/bootm.h | 2 | ||||
| -rw-r--r-- | include/image.h | 5 | ||||
| -rw-r--r-- | tools/fit_check_sign.c | 7 | ||||
| -rw-r--r-- | tools/image-host.c | 12 |
7 files changed, 96 insertions, 7 deletions
diff --git a/common/bootm.c b/common/bootm.c index d93d3f3..7ec2ed8 100644 --- a/common/bootm.c +++ b/common/bootm.c @@ -244,6 +244,7 @@ static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc, return 0; } +#endif /* USE_HOSTCC */ /** * decomp_image() - decompress the operating system @@ -353,6 +354,7 @@ static int decomp_image(int comp, ulong load, ulong image_start, int type, return 0; } +#ifndef USE_HOSTCC static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, int boot_progress) { @@ -838,5 +840,74 @@ static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, return buf; } +#else /* USE_HOSTCC */ + +void memmove_wd(void *to, void *from, size_t len, ulong chunksz) +{ + memmove(to, from, len); +} + +static int bootm_host_load_image(const void *fit, int req_image_type) +{ + const char *fit_uname_config = NULL; + ulong data, len; + bootm_headers_t images; + int noffset; + ulong load_end; + uint8_t image_type; + uint8_t imape_comp; + void *load_buf; + int ret; + + memset(&images, '\0', sizeof(images)); + images.verify = 1; + noffset = fit_image_load(&images, (ulong)fit, + NULL, &fit_uname_config, + IH_ARCH_DEFAULT, req_image_type, -1, + FIT_LOAD_IGNORED, &data, &len); + if (noffset < 0) + return noffset; + if (fit_image_get_type(fit, noffset, &image_type)) { + puts("Can't get image type!\n"); + return -EINVAL; + } + + if (fit_image_get_comp(fit, noffset, &imape_comp)) { + puts("Can't get image compression!\n"); + return -EINVAL; + } + + /* Allow the image to expand by a factor of 4, should be safe */ + load_buf = malloc((1 << 20) + len * 4); + ret = decomp_image(imape_comp, 0, data, image_type, load_buf, + (void *)data, len, &load_end); + free(load_buf); + if (ret && ret != BOOTM_ERR_UNIMPLEMENTED) + return ret; + + return 0; +} + +int bootm_host_load_images(const void *fit, int cfg_noffset) +{ + static uint8_t image_types[] = { + IH_TYPE_KERNEL, + IH_TYPE_FLATDT, + IH_TYPE_RAMDISK, + }; + int err = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(image_types); i++) { + int ret; + + ret = bootm_host_load_image(fit, image_types[i]); + if (!err && ret && ret != -ENOENT) + err = ret; + } + + /* Return the first error we found */ + return err; +} #endif /* ndef USE_HOSTCC */ diff --git a/common/image-fit.c b/common/image-fit.c index 83fac9a..3311343 100644 --- a/common/image-fit.c +++ b/common/image-fit.c @@ -1591,12 +1591,13 @@ int fit_image_load(bootm_headers_t *images, ulong addr, } bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH); +#ifndef USE_HOSTCC if (!fit_image_check_target_arch(fit, noffset)) { puts("Unsupported Architecture\n"); bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH); return -ENOEXEC; } - +#endif if (image_type == IH_TYPE_FLATDT && !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) { puts("FDT image is compressed"); diff --git a/doc/uImage.FIT/signature.txt b/doc/uImage.FIT/signature.txt index 672dc35..a6ab543 100644 --- a/doc/uImage.FIT/signature.txt +++ b/doc/uImage.FIT/signature.txt @@ -361,6 +361,7 @@ Test Verified Boot Run: unsigned config: OK Sign images Test Verified Boot Run: signed config: OK check signed config on the host +Signature check OK OK Test Verified Boot Run: signed config: OK Test Verified Boot Run: signed config with bad hash: OK @@ -374,12 +375,14 @@ Test Verified Boot Run: unsigned config: OK Sign images Test Verified Boot Run: signed config: OK check signed config on the host +Signature check OK OK Test Verified Boot Run: signed config: OK Test Verified Boot Run: signed config with bad hash: OK Test passed + Future Work ----------- - Roll-back protection using a TPM is done using the tpm command. This can diff --git a/include/bootm.h b/include/bootm.h index 0a3ec56..4a308d8 100644 --- a/include/bootm.h +++ b/include/bootm.h @@ -41,6 +41,8 @@ void lynxkdi_boot(image_header_t *hdr); boot_os_fn *bootm_os_get_boot_func(int os); +int bootm_host_load_images(const void *fit, int cfg_noffset); + int boot_selected_os(int argc, char * const argv[], int state, bootm_headers_t *images, boot_os_fn *boot_fn); diff --git a/include/image.h b/include/image.h index ae767f0..ab93eb6 100644 --- a/include/image.h +++ b/include/image.h @@ -425,6 +425,7 @@ ulong genimg_get_image(ulong img_addr); int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, uint8_t arch, ulong *rd_start, ulong *rd_end); +#endif /** * fit_image_load() - load an image from a FIT @@ -454,12 +455,14 @@ int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, * @param load_op Decribes what to do with the load address * @param datap Returns address of loaded image * @param lenp Returns length of loaded image + * @return node offset of image, or -ve error code on error */ int fit_image_load(bootm_headers_t *images, ulong addr, const char **fit_unamep, const char **fit_uname_configp, int arch, int image_type, int bootstage_id, enum fit_load_op load_op, ulong *datap, ulong *lenp); +#ifndef USE_HOSTCC /** * fit_get_node_from_config() - Look up an image a FIT by type * @@ -604,8 +607,8 @@ int image_check_dcrc(const image_header_t *hdr); ulong getenv_bootm_low(void); phys_size_t getenv_bootm_size(void); phys_size_t getenv_bootm_mapsize(void); -void memmove_wd(void *to, void *from, size_t len, ulong chunksz); #endif +void memmove_wd(void *to, void *from, size_t len, ulong chunksz); static inline int image_check_magic(const image_header_t *hdr) { diff --git a/tools/fit_check_sign.c b/tools/fit_check_sign.c index 768be2f..69e99c0 100644 --- a/tools/fit_check_sign.c +++ b/tools/fit_check_sign.c @@ -80,10 +80,13 @@ int main(int argc, char **argv) image_set_host_blob(key_blob); ret = fit_check_sign(fit_blob, key_blob); - if (!ret) + if (!ret) { ret = EXIT_SUCCESS; - else + fprintf(stderr, "Signature check OK\n"); + } else { ret = EXIT_FAILURE; + fprintf(stderr, "Signature check Bad (error %d)\n", ret); + } (void) munmap((void *)fit_blob, fsbuf.st_size); (void) munmap((void *)key_blob, ksbuf.st_size); diff --git a/tools/image-host.c b/tools/image-host.c index faeef66..0eff720 100644 --- a/tools/image-host.c +++ b/tools/image-host.c @@ -10,6 +10,7 @@ */ #include "mkimage.h" +#include <bootm.h> #include <image.h> #include <version.h> @@ -707,16 +708,21 @@ int fit_add_verification_data(const char *keydir, void *keydest, void *fit, } #ifdef CONFIG_FIT_SIGNATURE -int fit_check_sign(const void *working_fdt, const void *key) +int fit_check_sign(const void *fit, const void *key) { int cfg_noffset; int ret; - cfg_noffset = fit_conf_get_node(working_fdt, NULL); + cfg_noffset = fit_conf_get_node(fit, NULL); if (!cfg_noffset) return -1; - ret = fit_config_verify(working_fdt, cfg_noffset); + printf("Verifying Hash Integrity ... "); + ret = fit_config_verify(fit, cfg_noffset); + if (ret) + return ret; + ret = bootm_host_load_images(fit, cfg_noffset); + return ret; } #endif |