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boards: add CI ROMFS passwd credentials and refresh docs

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Support NUTTX_ROMFS_PASSWD_PASSWORD via update_romfs_password.sh for
configs that enable ROMFS passwd without a defconfig password (sim/login
CI). Enable RANDOMIZE_KEYS in sim/login defconfig. Update mkpasswd.c
header, platform docs, and the mkpasswd_autogen guide.

Signed-off-by: Abhishek Mishra <mishra.abhishek2808@gmail.com>
This commit is contained in:
Abhishek Mishra 2026-07-08 08:32:02 +00:00 • committed by Xiang Xiao
parent ffa6ba222f
commit e9c9cba51d
12 changed files with 307 additions and 119 deletions
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28
cmake/nuttx_add_romfs.cmake
View file

@ -284,6 +284,25 @@ function(process_all_directory_romfs)
# Auto-generate /etc/passwd at build time if configured
if(CONFIG_BOARD_ETC_ROMFS_PASSWD_ENABLE)
execute_process(COMMAND "${NUTTX_DIR}/tools/update_romfs_password.sh"
"${NUTTX_DIR}/.config" RESULT_VARIABLE _cred_rc)
if(NOT _cred_rc EQUAL 0)
message(FATAL_ERROR "update_romfs_password.sh failed (rc=${_cred_rc})")
endif()
file(
STRINGS "${NUTTX_DIR}/.config" _passwd_line
REGEX "^CONFIG_BOARD_ETC_ROMFS_PASSWD_PASSWORD="
LIMIT_COUNT 1)
if(_passwd_line MATCHES "^CONFIG_BOARD_ETC_ROMFS_PASSWD_PASSWORD=(.*)$")
set(CONFIG_BOARD_ETC_ROMFS_PASSWD_PASSWORD "${CMAKE_MATCH_1}")
string(STRIP "${CONFIG_BOARD_ETC_ROMFS_PASSWD_PASSWORD}"
CONFIG_BOARD_ETC_ROMFS_PASSWD_PASSWORD)
string(REGEX
REPLACE "^\"(.*)\"$" "\\1" CONFIG_BOARD_ETC_ROMFS_PASSWD_PASSWORD
"${CONFIG_BOARD_ETC_ROMFS_PASSWD_PASSWORD}")
endif()
if("${CONFIG_BOARD_ETC_ROMFS_PASSWD_PASSWORD}" STREQUAL "")
message(
FATAL_ERROR
@ -360,7 +379,7 @@ function(process_all_directory_romfs)
execute_process(
COMMAND "${NUTTX_DIR}/tools/gen_passwd_keys.sh" "${NUTTX_DIR}/.config"
RESULT_VARIABLE _gen_rc
OUTPUT_QUIET)
OUTPUT_QUIET ERROR_QUIET)
if(NOT _gen_rc EQUAL 0)
message(
FATAL_ERROR
@ -368,9 +387,10 @@ function(process_all_directory_romfs)
)
endif()
message(
STATUS
"[passwd] TEA keys written to .config (search for CONFIG_FSUTILS_PASSWD_KEY to view)"
)
WARNING "[passwd] TEA keys auto-generated in .config. "
"View: search .config for CONFIG_FSUTILS_PASSWD_KEY. "
"Change: menuconfig -> Application Configuration -> "
"File System Utilities -> Password file support.")
# Re-read .config so the new key values are live for this configure run
# (mirrors Board.mk's second -include).