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-rw-r--r--drivers/fastboot/Kconfig19
-rw-r--r--drivers/fastboot/fb_command.c4
2 files changed, 18 insertions, 5 deletions
diff --git a/drivers/fastboot/Kconfig b/drivers/fastboot/Kconfig
index b97c67bf609..eefa34779c4 100644
--- a/drivers/fastboot/Kconfig
+++ b/drivers/fastboot/Kconfig
@@ -80,12 +80,13 @@ config FASTBOOT_FLASH
this to enable the "fastboot flash" command.
config FASTBOOT_UUU_SUPPORT
- bool "Enable FASTBOOT i.MX UUU special command"
+ bool "Enable UUU support"
help
- The fastboot protocol includes "UCmd" and "ACmd" command.
- Be aware that you provide full access to any U-Boot command,
- including working with memory and may open a huge backdoor,
- when enabling this option.
+ This extends the fastboot protocol with the "UCmd" and "ACmd"
+ commands, which are used by NXP's "universal update utility" (UUU).
+ These commands allow running any shell command. Do not enable this
+ feature if you are using verified boot, as it will allow an attacker
+ to bypass any restrictions you have in place.
choice
prompt "Flash provider for FASTBOOT"
@@ -218,6 +219,14 @@ config FASTBOOT_CMD_OEM_BOOTBUS
Add support for the "oem bootbus" command from a client. This set
the mmc boot configuration for the selecting eMMC device.
+config FASTBOOT_OEM_RUN
+ bool "Enable the 'oem run' command"
+ help
+ This extends the fastboot protocol with an "oem run" command. This
+ command allows running arbitrary U-Boot shell commands. Do not enable
+ this feature if you are using verified boot, as it will allow an
+ attacker to bypass any restrictions you have in place.
+
endif # FASTBOOT
endmenu
diff --git a/drivers/fastboot/fb_command.c b/drivers/fastboot/fb_command.c
index f0fd605854d..67a94798287 100644
--- a/drivers/fastboot/fb_command.c
+++ b/drivers/fastboot/fb_command.c
@@ -102,6 +102,10 @@ static const struct {
.command = "oem bootbus",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_BOOTBUS, (oem_bootbus), (NULL))
},
+ [FASTBOOT_COMMAND_OEM_RUN] = {
+ .command = "oem run",
+ .dispatch = CONFIG_IS_ENABLED(FASTBOOT_OEM_RUN, (run_ucmd), (NULL))
+ },
[FASTBOOT_COMMAND_UCMD] = {
.command = "UCmd",
.dispatch = CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT, (run_ucmd), (NULL))