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authorTom Rini <trini@konsulko.com>2020-04-07 18:58:44 +0300
committerTom Rini <trini@konsulko.com>2020-04-08 00:13:35 +0300
commit1f47e2aca42c2e51ff3a7754c717ee13f568c721 (patch)
treeeca6cb5e551dbb75c2328b1dba3e7a2b8a77d327 /common/image-fit-sig.c
parent2b18b89156335bf1f0d84f81d3597762bc48c61d (diff)
parent895a7866c20cf6c01779b5a60fbf2770b88930a4 (diff)
downloadu-boot-1f47e2aca42c2e51ff3a7754c717ee13f568c721.tar.xz
Merge tag 'xilinx-for-v2020.07' of https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze into next
Xilinx changes for v2020.07 common: - Align ENV_FAT_INTERFACE - Fix MAC address source print log - Improve based autodetection code xilinx: - Enable netconsole Microblaze: - Setup default ENV_OFFSET/ENV_SECT_SIZE Zynq: - Multiple DT updates/fixes - Use DEVICE_TREE environment variable for DTB selection - Switch to single zynq configuration - Enable NOR flash via DM - Minor SPL print removal - Enable i2c mux driver ZynqMP: - Print multiboot register - Enable cache commands in mini mtest - Multiple DT updates/fixes - Fix firmware probing when driver is not enabled - Specify 3rd backup RAM boot mode in SPL - Add SPL support for zcu102 v1.1 and zcu111 revA - Redesign debug uart enabling and psu_init delay - Enable full u-boot run from EL3 - Enable u-boot.itb generation without ATF with U-Boot in EL3 Versal: - Enable distro default - Enable others SPI flashes - Enable systems without DDR Drivers: - Gem: - Flush memory after freeing - Handle mdio bus separately - Watchdog: - Get rid of unused global data pointer - Enable window watchdog timer - Serial: - Change reinitialization logic in zynq serial driver Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'common/image-fit-sig.c')
-rw-r--r--common/image-fit-sig.c49
1 files changed, 41 insertions, 8 deletions
diff --git a/common/image-fit-sig.c b/common/image-fit-sig.c
index f6caeb0c59..490566ca90 100644
--- a/common/image-fit-sig.c
+++ b/common/image-fit-sig.c
@@ -98,7 +98,7 @@ static int fit_image_setup_verify(struct image_sign_info *info,
padding_name = RSA_DEFAULT_PADDING_NAME;
memset(info, '\0', sizeof(*info));
- info->keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
+ info->keyname = fdt_getprop(fit, noffset, FIT_KEY_HINT, NULL);
info->fit = (void *)fit;
info->node_offset = noffset;
info->name = algo_name;
@@ -209,7 +209,8 @@ int fit_image_verify_required_sigs(const void *fit, int image_noffset,
const char *required;
int ret;
- required = fdt_getprop(sig_blob, noffset, "required", NULL);
+ required = fdt_getprop(sig_blob, noffset, FIT_KEY_REQUIRED,
+ NULL);
if (!required || strcmp(required, "image"))
continue;
ret = fit_image_verify_sig(fit, image_noffset, data, size,
@@ -228,20 +229,39 @@ int fit_image_verify_required_sigs(const void *fit, int image_noffset,
return 0;
}
-int fit_config_check_sig(const void *fit, int noffset, int required_keynode,
- char **err_msgp)
+/**
+ * fit_config_check_sig() - Check the signature of a config
+ *
+ * @fit: FIT to check
+ * @noffset: Offset of configuration node (e.g. /configurations/conf-1)
+ * @required_keynode: Offset in the control FDT of the required key node,
+ * if any. If this is given, then the configuration wil not
+ * pass verification unless that key is used. If this is
+ * -1 then any signature will do.
+ * @conf_noffset: Offset of the configuration subnode being checked (e.g.
+ * /configurations/conf-1/kernel)
+ * @err_msgp: In the event of an error, this will be pointed to a
+ * help error string to display to the user.
+ * @return 0 if all verified ok, <0 on error
+ */
+static int fit_config_check_sig(const void *fit, int noffset,
+ int required_keynode, int conf_noffset,
+ char **err_msgp)
{
char * const exc_prop[] = {"data"};
const char *prop, *end, *name;
struct image_sign_info info;
const uint32_t *strings;
+ const char *config_name;
uint8_t *fit_value;
int fit_value_len;
+ bool found_config;
int max_regions;
int i, prop_len;
char path[200];
int count;
+ config_name = fit_get_name(fit, conf_noffset, NULL);
debug("%s: fdt=%p, conf='%s', sig='%s'\n", __func__, gd_fdt_blob(),
fit_get_name(fit, noffset, NULL),
fit_get_name(gd_fdt_blob(), required_keynode, NULL));
@@ -282,9 +302,20 @@ int fit_config_check_sig(const void *fit, int noffset, int required_keynode,
char *node_inc[count];
debug("Hash nodes (%d):\n", count);
+ found_config = false;
for (name = prop, i = 0; name < end; name += strlen(name) + 1, i++) {
debug(" '%s'\n", name);
node_inc[i] = (char *)name;
+ if (!strncmp(FIT_CONFS_PATH, name, strlen(FIT_CONFS_PATH)) &&
+ name[sizeof(FIT_CONFS_PATH) - 1] == '/' &&
+ !strcmp(name + sizeof(FIT_CONFS_PATH), config_name)) {
+ debug(" (found config node %s)", config_name);
+ found_config = true;
+ }
+ }
+ if (!found_config) {
+ *err_msgp = "Selected config not in hashed nodes";
+ return -1;
}
/*
@@ -352,7 +383,7 @@ static int fit_config_verify_sig(const void *fit, int conf_noffset,
if (!strncmp(name, FIT_SIG_NODENAME,
strlen(FIT_SIG_NODENAME))) {
ret = fit_config_check_sig(fit, noffset, sig_offset,
- &err_msg);
+ conf_noffset, &err_msg);
if (ret) {
puts("- ");
} else {
@@ -368,13 +399,14 @@ static int fit_config_verify_sig(const void *fit, int conf_noffset,
goto error;
}
- return verified ? 0 : -EPERM;
+ if (verified)
+ return 0;
error:
printf(" error!\n%s for '%s' hash node in '%s' config node\n",
err_msg, fit_get_name(fit, noffset, NULL),
fit_get_name(fit, conf_noffset, NULL));
- return -1;
+ return -EPERM;
}
int fit_config_verify_required_sigs(const void *fit, int conf_noffset,
@@ -395,7 +427,8 @@ int fit_config_verify_required_sigs(const void *fit, int conf_noffset,
const char *required;
int ret;
- required = fdt_getprop(sig_blob, noffset, "required", NULL);
+ required = fdt_getprop(sig_blob, noffset, FIT_KEY_REQUIRED,
+ NULL);
if (!required || strcmp(required, "conf"))
continue;
ret = fit_config_verify_sig(fit, conf_noffset, sig_blob,