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ext-manager.sh
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ext-manager.sh
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#!/usr/bin/env bash
set -u
##### BASIC RUNTIME VALIDATION #########################################################################################
# shellcheck disable=SC2128
if [ -z "${BASH_SOURCE}" ] ; then
echo "You need to execute this script using bash v4+ without using pipes"
exit 1
fi
cd "${BASH_SOURCE%/*}/" || exit 1
########################################################################################################################
##### CONFIGURATION YOU CAN OVERRIDE USING ENVIRONMENT #################################################################
readonly BRP_DEBUG=${BRP_DEBUG:-0} # whether you want to see debug messages
readonly MRP_SRC_NAME=${MRP_SRC_NAME:-$(basename "$0")}
readonly RPT_EXTS_DIR=${RPT_EXTS_DIR:-"$PWD/custom/extensions"}
########################################################################################################################
##### INCLUDES #########################################################################################################
. include/log.sh # logging helpers
. include/text.sh # text manipulation
. include/runtime.sh # need to include this early so we can used date and such
. include/json.sh # json parsing routines
. include/file.sh # file-related operations (copying/moving/unpacking etc)
. include/patch.sh # helpers for creating *.sh from template
########################################################################################################################
# Validates extension ID
#
# Args: $1 ID of an extension
# Exit: 0 on valid, 1 on validation failure
mrp_validate_id()
{
if [[ "${1}" =~ ^[A-Za-z]+[A-Za-z0-9._\-]+$ ]]; then
pr_dbg "ID \"%s\" is verified as valid" "${1}"
return 0
else
pr_err "The ID \"%s\" is invalid" "${1}"
return 1
fi
}
# Validates platform ID used to identify releases
#
# Args: $1 platform ID
# Exit: 0 on valid, 1 on validation failure
mrp_validate_platform_id()
{
if [[ "${1}" =~ ^[a-z0-9_]+$ ]]; then
pr_dbg "Platform ID \"%s\" is verified as valid" "${1}"
return 0
else
pr_err "Platform ID \"%s\" is invalid" "${1}"
return 1
fi
return 0;
}
# Args: $1 ID of an extension
mrp_has_extension()
{
if [[ -f "${RPT_EXTS_DIR}/${1}/${1}.json" ]]; then
return 0;
else
return 1;
fi
}
mrp_get_all_extensions()
{
rpt_list_directories "${RPT_EXTS_DIR}" $1
}
# Gets index file for an extension (if exists)
# The file path returned is guaranteed to be a valid index file
#
# Args: $1 ID of the extension | $2 silent mode to only return exit code and treat errors as debug [default=0]
# Return: file path
# Exit:
# 0 - success
# 1 - parameters passed are invalid
# 2 - file not found
# 3 - semantic validation failure (json struct, json semantic, etc)
mrp_get_existing_index_file()
{
pr_dbg "Loading existing index file for extension %s" "${1}"
if ! mrp_validate_id "${1}"; then
return 1
fi
local IDX_FILE="${RPT_EXTS_DIR}/${1}/${1}.json"
if [[ ! -r "${IDX_FILE}" ]]; then
if [[ "${2:-0}" -eq 1 ]]; then # bash is really fugly...
pr_dbg "Extension %s index file %s is not readable or does not exist - extension is probably not added" "${1}" "${IDX_FILE}"
else
pr_err "Extension %s index file %s is not readable or does not exist - extension is probably not added" "${1}" "${IDX_FILE}"
fi
return 2
fi
if ! mrp_validate_index_file "${IDX_FILE}" "${IDX_FILE}"; then
if [[ "${2:-0}" -eq 1 ]]; then # bash is really fugly...
pr_dbg "Extension %s index file %s is is not a valid index file" "${1}" "${IDX_FILE}"
else
pr_err "Extension %s index file %s is is not a valid index file" "${1}" "${IDX_FILE}"
fi
return 3
fi
pr_dbg "Found valid existing index for %s extension at %s" "${1}" "${IDX_FILE}"
echo "${IDX_FILE}"
return 0
}
# Args: $1 extension id
mrp_show_ext_info()
{
local index_file
local index_file_exit
local -A info_kv
index_file=$(mrp_get_existing_index_file "${1}" 1)
index_file_exit=$?
pr_info "========================================== %s ==========================================" "${1}"
case $index_file_exit in
0) brp_read_kv_to_array "${index_file}" 'info' info_kv
pr_info "Extension name: %s" "${info_kv[name]}"
if [[ ! -z ${info_kv[description]+x} ]]; then
pr_info "Description: %s" "${info_kv[description]}"
else
pr_dbg "Description: <not provided>"
fi
pr_info "To get help visit: %s" "${info_kv[help_url]}"
if [[ ! -z ${info_kv[packer_url]+x} ]]; then
pr_info "Extension preparer/packer: %s" "${info_kv[packer_url]}"
else
pr_dbg "Extension preparer/packer: <not provided>"
fi
if [[ ! -z ${info_kv[author_url]+x} ]]; then
pr_info "Software author: %s" "${info_kv[author_url]}"
else
pr_dbg "Software author: <not provided>"
fi
pr_info "Update URL: %s" "$(brp_json_get_field "${index_file}" 'url' 1)"
brp_read_kv_to_array "${index_file}" 'releases' info_kv
local platforms=''
for platform in "${!info_kv[@]}"; do
platforms+="${platform} "
done
pr_info "Platforms supported: %s" "${platforms}"
;;
1) pr_err "Extension ID %s is invalid" "${1}"
;;
2) pr_err "Extension %s is not installed" "${1}"
;;
3) pr_err "Extension %s index is invalid - try \"%s update\" to fix it" "${1}" "${MRP_SRC_NAME}"
;;
*) pr_err "Unknown error %d" "${index_file_exit}"
esac
pr_info "=======================================================================================\n"
}
# Returns standardized error of extension index validation failure
#
# Args: $1 extension index URL | $2 id of the extension (if known) | $2 error message
mrp_validate_ext_idx_fail()
{
pr_err "Extension loaded from %s (id: %s) is invalid: %s. Please report that to the extension maintainer via help URL" \
"${1}" "${2}" "${3}"
}
# Validates extension index file
#
# Args:
# $1 Path to the index file
# $2 URL or path of the index file (if known)
# $3 Verify entries [validate all URLs and post warnings if they're not valid, returning 2 if any are invalid]
# Exit: 0 - success; 1 - failure; 2 - soft-failure
mrp_validate_index_file()
{
pr_dbg "Validating extension index file \"%s\"" "${1}"
if ! brp_json_validate "${1}" 1; then # validate JSON *file*, not its format/semantic - it will be parsable
mrp_validate_ext_idx_fail "${2}" '' 'index JSON file is unparsable'
return 1
fi
local id=$(brp_json_get_field "${1}" 'id') # this will error-out if field doesn't exist at all
if ! mrp_validate_id "${id}"; then
mrp_validate_ext_idx_fail "${2}" "${id}" 'the ID did not pass validation'
return 1
fi
# todo validate URL optionally?
if [[ "$(brp_json_has_field "${1}" 'url')" -ne '1' ]]; then
mrp_validate_ext_idx_fail "${2}" "${id}" 'index has no update URL'
return 1
fi
if [[ "$(brp_json_has_field "${1}" 'info')" -ne '1' ]]; then
mrp_validate_ext_idx_fail "${2}" "${id}" 'index has no info section'
return 1
fi
local -A info_kv
brp_read_kv_to_array "${1}" 'info' info_kv
if [[ -z "${info_kv[name]+x}" ]] || [[ "${info_kv[name]}" == '' ]]; then
mrp_validate_ext_idx_fail "${2}" "${id}" 'index info section has no/empty name defined'
return 1
fi
if [[ -z "${info_kv[help_url]+x}" ]] || [[ "${info_kv[help_url]}" == '' ]]; then
mrp_validate_ext_idx_fail "${1}" "${id}" 'index info section has no/empty help_url defined'
return 1
fi
if [[ "$(brp_json_has_field "${1}" 'releases')" -ne '1' ]]; then
mrp_validate_ext_idx_fail "${2}" "${id}" 'index has no releases section'
return 1
fi
local -a releases
brp_json_get_keys "${1}" 'releases' releases
for rel_id in "${releases[@]}"; do
if ! mrp_validate_platform_id "${rel_id}"; then
mrp_validate_ext_idx_fail "${2}" "${id}" "release ID \"${rel_id}\" is invalid"
return 1
fi
done
pr_dbg "Extension index file \"%s\" OK" "${1}"
return 0
}
# Returns standardized error of extension recipe validation failure
#
# Args: $1 extension recipe URL | $2 id of the extension (if known) | $3 platform id | $4 error message
mrp_validate_ext_recipe_fail()
{
local ext_id;
if [[ "${2}" == '' ]]; then
ext_id='<unknown>'
else
ext_id="${2}"
fi
pr_err "Extension (id: %s) recipe for %s loaded from %s is invalid: %s. Please report that to the extension maintainer via help URL" \
"${2}" "${3}" "${1}" "${4}"
}
# Validates extension recipe file
#
# Args:
# $1 extension ID
# $2 platform ID
# $3 Path to the recipe file
# $x [removed?] Verify URLs [validate all URLs and post warnings if they're not valid, returning 2 if any are invalid]
# Exit: 0 - success; 1 - failure; 2 - soft-failure of URLs
mrp_validate_recipe_file()
{
pr_dbg "Validating extension index file \"%s\"" "${1}"
if ! brp_json_validate "${3}" 1; then # validate JSON *file*, not its format/semantic - it will be parsable
mrp_validate_ext_recipe_fail "${3}" "${1}" "${2}" 'recipe JSON file is unparsable'
return 1
fi
if [[ "$(brp_json_has_field "${3}" 'files')" -ne '1' ]]; then
mrp_validate_ext_recipe_fail "${3}" "${1}" "${2}" 'recipe file lacks files section'
return 1
fi
# we're not verifying the structure of files here as during the update it will do that attempting to download them
# todo: this should check if sections aren't empty but this is annoying in bash
if [[ "$(brp_json_has_field "${3}" 'kmods')" -ne '1' ]] && [[ "$(brp_json_has_field "${3}" 'scripts')" -ne '1' ]]; then
mrp_validate_ext_recipe_fail "${3}" "${1}" "${2}" 'recipe file does not define kmods nor scripts'
return 1
fi
local -A scripts_kv
brp_read_kv_to_array "${3}" "scripts" scripts_kv # we don't care about the order read here
for scr_name in "${!scripts_kv[@]}"; do
case "${scr_name}" in
on_boot)
;;
on_os_load)
;;
check_kmod)
if [[ "$(brp_json_has_field "${3}" 'kmods')" -ne '1' ]]; then
mrp_validate_ext_recipe_fail "${3}" "${1}" "${2}" 'recipe contains check_kmod script without any kmods defined'
return 1
fi
;;
*) pr_warn "Extension (id: %s) recipe for %s loaded from %s looks suspicious. It defines unknown script type %s" \
"${1}" "${2}" "${3}" "${scr_name}"
;;
esac
done
return 0
}
# Args: $1 URL
# Return: path to a temp file on exit=0
# Exit: 0 on exit, any other positive number indicates error
mrp_fetch_new_ext_index()
{
readonly URL="${1}"
local MRP_TMP_IDX="${RPT_EXTS_DIR}/_new_ext_index.tmp_json"
rm "${MRP_TMP_IDX}" &> /dev/null
if [ ${URL::1} == "#" ]; then
pr_warn "Index file copied locally from %s to %s" "${URL}" "${MRP_TMP_IDX}"
brp_cp_flat "${URL:1}" "${MRP_TMP_IDX}"
else
pr_dbg "Index is remote - getting from %s to %s" "${URL}" "${MRP_TMP_IDX}"
rpt_download_remote "${URL}" "${MRP_TMP_IDX}" 1
fi
echo "${MRP_TMP_IDX}"
}
# Args:
# $1 ID of the extension
# $2 platform code
# Exit:
# 0: success
# 1: error occurred (message will be printed)
mrp_fetch_new_ext_recipe()
{
pr_dbg "Fetching new recipe for extension %s and platform %s" "${1}" "${2}"
if ! mrp_validate_platform_id "${2}"; then # extension ID will be verified by mrp_get_existing_index_file
pr_err "Platform ID %s is not valid" "${2}"
return 1
fi
local index_file;
index_file=$(mrp_get_existing_index_file "${1}")
if [ $? -ne 0 ]; then
pr_err "Failed to load index file for extension %s - see errors above for details" "${1}"
return 1
fi
local recipe_url;
recipe_url=$(brp_json_get_field "${index_file}" "releases.${2}" 1)
if [[ $? -ne 0 ]] || [[ "${recipe_url}" == 'null' ]]; then
pr_err "The extension %s was found. However, the extension index has no recipe for %s platform. It may not be" "${1}" "${2}"
pr_err "supported on that platform, or author didn't updated it for that platform yet. You can try running"
pr_err "\"%s update\" to refresh indexes for all extensions manually. Below are the currently known information about" "${MRP_SRC_NAME}"
pr_err "the extension stored locally:"
mrp_show_ext_info "${1}"
return 1
fi
local mrp_tmp_rcp="${RPT_EXTS_DIR}/_ext_new_rcp.tmp_json"
rm "${mrp_tmp_rcp}" &> /dev/null
rpt_download_remote "${recipe_url}" "${mrp_tmp_rcp}" 1
brp_json_validate "${mrp_tmp_rcp}" # validate JSON *file*, not its format/semantic
echo "${mrp_tmp_rcp}"
}
# Gets recipe file for an extension (if exists)
# The file path returned is guaranteed to be a valid recipe file
#
# Args:
# $1 ID of the extension
# $2 Platform code
# Return: file path (if exit=0)
# Exit:
# 0 - success
# 1 - invalid values passed (syntax error)
# 2 - recipe not found
# 3 - recipe semantic validation failure (id, json struct, json semantic, etc)
mrp_get_existing_recipe_file_path()
{
if ! mrp_validate_id "${1}"; then
return 1
fi
local RCP_FILE="${RPT_EXTS_DIR}/${1}/${2}/${2}.json"
if [ ! -r "${RCP_FILE}" ]; then
return 2
fi
if ! mrp_validate_recipe_file "${1}" "${2}" "${RCP_FILE}"; then
return 3
fi
echo "${RCP_FILE}"
return 0
}
# Args: $1 extension id [optional]
__action_info()
{
if [[ "$#" -gt 1 ]]; then
pr_crit "\"%s info\" expected 0 or 1 argument - got %d. See \"%s help\" for details" "${MRP_SRC_NAME}" "${#}" "${MRP_SRC_NAME}"
fi
if [[ "$#" -eq 1 ]]; then
mrp_show_ext_info "${1}"
return
fi
local -a extensions
mrp_get_all_extensions extensions
for ext_id in ${extensions[@]+"${extensions[@]}"}; do
mrp_show_ext_info "${ext_id}"
done
}
# Args: $1 URL to index
__action_add()
{
if [[ "$#" -ne 1 ]]; then
pr_crit "\"%s add\" expected 1 argument - got %d. See \"%s help\" for details" "${MRP_SRC_NAME}" "${#}" "${MRP_SRC_NAME}"
fi
pr_process "Adding new extension from %s" "${1}"
local tmp_idx_file;
tmp_idx_file=$(mrp_fetch_new_ext_index "${1}")
if [[ $? -ne 0 ]]; then
pr_crit "Failed to add \"%s\" as an extension:\n\n%s\n", "${1}" "${tmp_idx_file}"
fi
if ! mrp_validate_index_file "${tmp_idx_file}" "${1}"; then
pr_crit "The index file for %s extension is invalid - please report that to the extension maintainer" "${1}"
fi
ext_id=$(brp_json_get_field "${tmp_idx_file}" 'id')
if [[ $? -ne 0 ]]; then
pr_crit "Failed to get ID from extension index file downloaded from \"%s\":\n\n%s\n", "${1}" "${ext_id}"
fi
# before we even validate new file we need to check if a given extension exists maybe
local IDX_FILE="${RPT_EXTS_DIR}/${ext_id}/${ext_id}.json"
if [[ -e "${IDX_FILE}" ]]; then
pr_crit "Extension is already added (index exists at %s). For more info use \"%s info %s\"" \
"${IDX_FILE}" "${MRP_SRC_NAME}" "${ext_id}"
fi
local THIS_EXT_DIR="${RPT_EXTS_DIR}/${ext_id}"
if [[ -e "${THIS_EXT_DIR}" ]]; then
pr_crit "Extension %s is damaged. Its index does NOT exists at %s but its folder DOES at %s" \
"${ext_id}" "${IDX_FILE}" "${THIS_EXT_DIR}"
fi
brp_mkdir "${THIS_EXT_DIR}"
brp_cp_flat "${tmp_idx_file}" "${IDX_FILE}"
"${RM_PATH}" "${tmp_idx_file}" || pr_warn "Failed to remove temp file %s" "${tmp_idx_file}"
pr_process_ok
mrp_show_ext_info "${ext_id}"
}
# Args: $1 id of the extension
__action_remove()
{
if [[ "$#" -ne 1 ]]; then
pr_crit "\"%s remove\" expected 1 argument - got %d. See \"%s help\" for details" "${MRP_SRC_NAME}" "${#}" "${MRP_SRC_NAME}"
fi
local idx_file;
idx_file="$(mrp_get_existing_index_file "${1}")" # id will be validated here [to prevent touching random files]
if [[ $? -ne 0 ]]; then
pr_crit "Extension cannot be removed due to previous errors"
fi
if ! "${RM_PATH}" -rf "${RPT_EXTS_DIR}/${1}"; then
pr_crit "Failed to remove %s extension directory" "${1}"
fi
pr_info "Extension %s has been removed" "${1}"
}
# Args: $1 extension ID | $2 URL to index
__action_force_add()
{
if [[ "$#" -ne 2 ]]; then
pr_crit "\"%s force_add\" expected 2 arguments - got %d. See \"%s help\" for details" "${MRP_SRC_NAME}" "${#}" "${MRP_SRC_NAME}"
fi
local index_file;
index_file=$(mrp_get_existing_index_file "${1}" 1)
local index_out=$?
## 0 - success
## 1 - parameters passed are invalid
## 2 - file not found
## 3 - semantic validation failure (json struct, json semantic, etc)
case $index_out in
0) # index was found & loaded correctly
pr_dbg "Extension %s is installed, checking URL" "${1}"
local index_url=$(brp_json_get_field "${index_file}" "url")
if [[ "${index_url}" != "${2}" ]]; then
pr_info "Reinstalling extension %s as its index location changed from %s to %s" "${1}" "${index_url}" "${2}"
__action_remove "${1}"
__action_add "${2}"
else
pr_info "Extension %s is already installed from %s" "${1}" "${index_url}"
fi
;;
1)
pr_crit "Extension ID \"%s\" is invalid - see above for details" "${1}"
;;
2) # not found/not installed
__action_add "${2}"
;;
3) # damaged
pr_warn "Extension %s is damaged - reinstalling from %s"
__action_remove "${1}"
__action_add "${2}"
;;
*)
pr_crit "Unknown error #%d occurred while loading extension %s index. Please report this as a bug." \
"${index_out}" "${1}"
esac
}
# Args: $1 list of extensions [optional, if not specified it will cleanup all]
__action_cleanup()
{
if [[ "$#" -gt 1 ]]; then
pr_crit "\"%s cleanup\" expected 0 or 1 argument - got %d. See \"%s help\" for details" "${MRP_SRC_NAME}" "${#}" "${MRP_SRC_NAME}"
fi
local -a extensions
if [[ -z "${1+0}" ]]; then # no extensions list passed - use all
pr_dbg "No extensions list passed - getting all"
mrp_get_all_extensions extensions
else # passed list of extensions - split them (we don't need to verify if they exist - we will try to read them anyway)
pr_dbg "Extensions list passed - splitting"
rpt_text_to_array ',' "${2}" extensions
fi
local failed=0
for ext_id in ${extensions[@]+"${extensions[@]}"}; do
pr_process "Removing all platform files for %s extension" "${ext_id}"
"${RM_PATH}" -rf "${RPT_EXTS_DIR}/${ext_id}/*" || pr_crit "Failed to cleanup extension %s" "${ext_id}"
pr_process_ok
done
}
# Called to error-out from recipe fill-in which failed
#
# Args: $1 platform dir to clean | $2 extension id | $3 platform id | $4 error
mrp_fill_recipe_fail()
{
pr_err "Recipe file for extension %s platform %s is logically invalid - %s. You SHOULD contact the extension packer to report that (see below)" \
"${2}" "${3}" "${4}"
mrp_show_ext_info "${ext_id}"
pr_dbg "Cleaning up %s" "${1}"
"${RM_PATH}" -rf "${1}"
if [[ $? -ne 0 ]]; then
pr_crit "Failed to delete %s after failed recipe fill attempt - please delete it manually"
fi
}
# Takes a new recipe, nukes old data for given ext+platform and downloads everything from the recipe
# It's assumed that the recipe passed here is semantically valid and matches the platform/extension. This function will
# always leave the directory for ext+platform in a valid state (or nuke it)
#
# Args: $1 extension id | $2 platform id | $3 path to recipe file to use [probably freshly downloaded]
mrp_fill_recipe()
{
local ext_id="${1}"
local platform_id="${2}"
local tmp_rcp_file="${3}"
local platform_rcp_file;
local platform_dir;
pr_info "Filling-in newly downloaded recipe for extension %s platform %s" "${ext_id}" "${platform_id}"
# prepare new directory for the extension+platform combo
platform_dir="${RPT_EXTS_DIR}/${ext_id}/${platform_id}"
pr_dbg "Platform dir for extension %s platform %s is %s" "${ext_id}" "${platform_id}" "${platform_dir}"
if [[ -d "${platform_dir}" ]]; then # we don't really care if the recipe is old or broken - if it's there nuke it
pr_dbg "Removing old platform dir %s" "${platform_dir}"
"${RM_PATH}" -rf "${RPT_EXTS_DIR}/${ext_id}/${platform_id}/"
if [[ $? -ne 0 ]]; then
pr_crit "Failed to delete %s while preparing to update extension %s for %s platform - try deleting it manually?" \
"${platform_dir}" "${ext_id}" "${platform_id}"
fi
fi
pr_dbg "Creating new platform dir %s" "${platform_dir}"
brp_mkdir "${platform_dir}"
platform_rcp_file="${platform_dir}/${platform_id}.json"
pr_dbg "Copying recipe %s to its permanent place in %s" "${tmp_rcp_file}" "${platform_rcp_file}"
brp_cp_flat "${tmp_rcp_file}" "${platform_rcp_file}"
local -a file_idxs;
local -A file_meta;
local platform_fpatch;
brp_json_get_keys "${platform_rcp_file}" 'files' file_idxs
for file_idx in "${file_idxs[@]}"; do
pr_dbg "Processing file entry #%d" "${file_idx}"
brp_read_kv_to_array "${platform_rcp_file}" "files[${file_idx}]" file_meta # todo: move that to recipe validation
for fm_key in name url sha256 packed; do #todo here also check the file name in recipe so there are no rogue chars
if [[ -z "${file_meta[${fm_key}]+0}" ]]; then
mrp_fill_recipe_fail "${platform_dir}" "${ext_id}" "${platform_id}" "no [${fm_key}] key for file at idx #${file_idx}"
return 1
fi
done
platform_fpatch="${platform_dir}/${file_meta[name]}"
if [[ -e "${platform_fpatch}" ]]; then # this can happen if two file records define the same name OR previous packed archive had that file
mrp_fill_recipe_fail "${platform_dir}" "${ext_id}" "${platform_id}" "file ${file_meta[name]} already exists while processing idx #${file_idx} (duplicated name?)"
return 1
fi
rpt_download_remote "${file_meta[url]}" "${platform_fpatch}" 0
if [[ $? -ne 0 ]]; then
mrp_fill_recipe_fail "${platform_dir}" "${ext_id}" "${platform_id}" "failed to download file ${file_meta[url]}"
return 1
fi
brp_verify_file_sha256 "${platform_fpatch}" "${file_meta[sha256]}" 1
if [[ $? -ne 0 ]]; then
mrp_fill_recipe_fail "${platform_dir}" "${ext_id}" "${platform_id}" "failed to verify file ${file_meta[url]}"
return 1
fi
if [[ "${file_meta[packed]}" == 'true' ]]; then
pr_dbg "File %s is marked as a packed archive - unpacking" "${platform_fpatch}"
brp_unpack_tar_flat "${platform_fpatch}" "${platform_dir}/" 0
if [ $? -ne 0 ]; then
mrp_fill_recipe_fail "${platform_dir}" "${ext_id}" "${platform_id}" "file download ${file_meta[url]} cannot be unpacked"
return 1
fi
# this is critical as we don't want the archive accidentally landing in the final image
"${RM_PATH}" "${platform_fpatch}" || pr_crit "Failed to delete archive %s"
fi
done
# at this point we've got all files - now we need to check that all kernel modules & scripts defined are actually there
local -A files_kv;
if [[ "$(brp_json_has_field "${platform_rcp_file}" 'kmods')" -eq 1 ]]; then # not all extensions must have *.ko
pr_dbg "Extension has kernel modules - checking"
brp_read_kv_to_array "${platform_rcp_file}" "kmods" files_kv
for ko_name in "${!files_kv[@]}"; do
platform_fpatch="${platform_dir}/${ko_name}"
pr_dbg "Checking if file exists at %s" "${platform_fpatch}"
if [[ ! -f "${platform_fpatch}" ]]; then # it HAS TO BE a normal file, it's deliberate here
mrp_fill_recipe_fail "${platform_dir}" "${ext_id}" "${platform_id}" "recipe defines kmod ${ko_name} *FILE* which doesn't exist after all files entries are processed"
return 1
fi
done
fi
if [[ "$(brp_json_has_field "${platform_rcp_file}" 'scripts')" -eq 1 ]]; then # not all extensions must have scripts
pr_dbg "Extension has scripts - checking"
brp_read_kv_to_array "${platform_rcp_file}" "scripts" files_kv
for script_action in "${!files_kv[@]}"; do
platform_fpatch="${platform_dir}/${files_kv[$script_action]}"
pr_dbg "Checking if file for action %s exists at %s" "${script_action}" "${platform_fpatch}"
if [[ ! -f "${platform_fpatch}" ]]; then # it HAS TO BE a normal file, it's deliberate here
mrp_fill_recipe_fail "${platform_dir}" "${ext_id}" "${platform_id}" "recipe defines ${files_kv[$script_action]} *FILE* for ${script_action} script action which doesn't exist after all files entries are processed"
return 1
fi
done
fi
pr_info "Successfully processed recipe for extension %s platform %s" "${ext_id}" "${platform_id}"
}
# Args: $1 list of extensions [optional, if not specified it will update all]
__action_update()
{
if [[ "$#" -gt 1 ]]; then
pr_crit "\"%s update\" expected 0 or 1 argument - got %d. See \"%s help\" for details" "${MRP_SRC_NAME}" "${#}" "${MRP_SRC_NAME}"
fi
local -a extensions
if [[ -z "${1+0}" ]]; then # no extensions list passed - use all
pr_dbg "No extensions list passed - getting all"
mrp_get_all_extensions extensions
else # passed list of extensions - split them (we don't need to verify if they exist - we will try to read them anyway)
pr_dbg "Extensions list passed - splitting"
rpt_text_to_array ',' "${1}" extensions
fi
local index_url
local cur_index_file
local cur_index_sha256
local new_index_file
local new_index_sha256
local failed=0
for ext_id in ${extensions[@]+"${extensions[@]}"}; do
pr_process "Updating %s extension" "${ext_id}"
cur_index_file=$(mrp_get_existing_index_file "${ext_id}")
if [ $? -ne 0 ]; then
pr_err "Failed to load index file for extension %s - see errors above for details" "${ext_id}"
return 1
fi
index_url=$(brp_json_get_field "${cur_index_file}" 'url')
new_index_file=$(mrp_fetch_new_ext_index "${index_url}")
if [[ $? -ne 0 ]]; then # so we cannot get new index
pr_err "Failed to download index file for %s extension from %s" "${ext_id}" "${index_url}"
((failed=failed+1))
continue
fi
# now we know we have the new [valid] recipe file (since previous if allowed us to get here)
pr_dbg "Got new index for %s from %s to %s" "${ext_id}" "${index_url}" "${new_index_file}"
cur_index_sha256=$(rpt_get_file_sha256 "${cur_index_file}")
if [[ $? -ne 0 ]]; then
pr_crit "Failed to hash old index file %s for comparison:\n\n%s" "${cur_index_file}" "${cur_index_sha256}"
fi
new_index_sha256=$(rpt_get_file_sha256 "${new_index_file}")
if [[ $? -ne 0 ]]; then
pr_crit "Failed to hash new index file %s for comparison:\n\n%s" "${new_index_file}" "${new_index_sha256}"
fi
pr_dbg "Current idx SHA256=%s vs new SHA256=%s" "${cur_index_sha256}" "${new_index_sha256}"
if [[ "${cur_index_sha256}" == "${new_index_sha256}" ]]; then
pr_info "Extension %s index is already up to date" "${ext_id}"
"${RM_PATH}" "${new_index_file}" || pr_warn "Failed to remove temp file %s" "${new_index_file}"
continue
fi
# todo: for now we can invalidate all platforms but properly we shouldn't invalidate if the recipe URLs are the same
# However, this is tricky as we need to compare list of platforms as well... it's VERY ANNOYING to do it in bash
"${RM_PATH}" -rf "${RPT_EXTS_DIR}/${ext_id}/*/"
"${MV_PATH}" "${new_index_file}" "${cur_index_file}" || pr_crit "Failed to install new index to %s" "${cur_index_file}"
done
if [[ "${failed}" -eq 0 ]]; then
pr_process_ok
else
pr_err "%d extensions failed to update" "${failed}"
fi
}
# Args: $1 platform id | $2 extensions ID list [optional]
__action__update_platform_exts()
{
if [[ "$#" -lt 1 ]] || [[ "$#" -gt 2 ]]; then
pr_crit "\"%s _update_platform_exts\" expected 1-2 arguments - got %d. See \"%s help\" for details" "${MRP_SRC_NAME}" "${#}" "${MRP_SRC_NAME}"
fi
pr_process "Updating %s platforms extensions" "${1}"
local platform_id="${1}"
if ! mrp_validate_platform_id "${platform_id}"; then
pr_err "Platform ID %s is not valid" "${platform_id}"
return 1
fi
local -a extensions
if [[ -z "${2+0}" ]]; then # no extensions list passed - use all
pr_dbg "No extensions list passed - getting all"
mrp_get_all_extensions extensions
else # passed list of extensions - split them (we don't need to verify if they exist - we will try to read them anyway)
pr_dbg "Extensions list passed - splitting"
rpt_text_to_array ',' "${2}" extensions
fi
local cur_recipe_file;
local cur_recipe_sha256;
local cur_recipe_result;
local new_recipe_file;
local new_recipe_sha256;
local platform_dir;
local hard_fail=0;
for ext_id in ${extensions[@]+"${extensions[@]}"}; do
pr_dbg "Processing extension %s for %s platform" "${ext_id}" "${platform_id}"
if ! mrp_has_extension "${ext_id}"; then
pr_crit "Extension \"%s\" is not added/installed - did you misspell the name or forgot to do \"%s add <URL>\" first?" \
"${ext_id}" "${MRP_SRC_NAME}"
fi
cur_recipe_file=$(mrp_get_existing_recipe_file_path "${ext_id}" "${platform_id}")
cur_recipe_result=$?
if [[ "${cur_recipe_result}" -eq 1 ]]; then
pr_crit "<BUG> Failed to read current recipe failure due to call error" # this is some bug in validation
else
pr_dbg "Attempted to get existing recipe - call resulted in code #%d" "${cur_recipe_result}"
fi
#todo: check if ok & recently checked and skip over the whole checking below (to not re-download receipt all the time)
new_recipe_file=$(mrp_fetch_new_ext_recipe "${ext_id}" "${platform_id}")
if [[ $? -ne 0 ]]; then # so we cannot get the recipe
case "${cur_recipe_result}" in
0) pr_warn "Failed to update recipe for %s extension for platform %s. The script will try to continue with the old" "${ext_id}" "${platform_id}"
pr_warn "recipe. If the old recipe still works at worst you will miss on an update. Contact the packer of the"
pr_warn "extension if this problem persists (displayed below)"
hard_fail=0
;;
2) pr_err "Failed to update recipe for %s extension for platform %s. The script will terminate as you do not" "${ext_id}" "${platform_id}"
pr_err "have previously downloaded recipe which can be used if download fails. Try again later. If problem"
pr_err "persists contact the extension packer for support (displayed below)"
hard_fail=1
;;
3) pr_err "Failed to update recipe for %s extension for platform %s. The script will terminate as your existing" "${ext_id}" "${platform_id}"
pr_err "recipe is damaged and cannot be used if download fails. Try again later. If problem persists"
pr_err "contact the extension packer for support (displayed below)"
hard_fail=1
;;
*) pr_crit "Unhandled cur_recipe_result exception #%d" "${cur_recipe_result}"
;;
esac
mrp_show_ext_info "${ext_id}"
if [[ "${hard_fail}" -eq 1 ]]; then
pr_crit "Cannot continue due to previous errors (see above)"
fi
continue # if there's no new recipe we cannot download any files or anything - we assume offline operation
fi
# now we know we have the new [valid] recipe file (since previous if allowed us to get here)
pr_dbg "Got new recipe to %s" "${new_recipe_file}"
if [[ "${cur_recipe_result}" -eq 0 ]]; then # we have the current one so we can try to check if it's the same
pr_dbg "Both new (%s) and old (%s) recipes exist - comparing" "${new_recipe_file}" "${cur_recipe_file}"
cur_recipe_sha256=$(rpt_get_file_sha256 "${cur_recipe_file}")
if [[ $? -ne 0 ]]; then
pr_crit "Failed to hash old recipe file %s for comparison:\n\n%s" "${cur_recipe_file}" "${cur_recipe_sha256}"
fi
new_recipe_sha256=$(rpt_get_file_sha256 "${new_recipe_file}")
if [[ $? -ne 0 ]]; then
pr_crit "Failed to hash new recipe file %s for comparison:\n\n%s" "${new_recipe_file}" "${new_recipe_sha256}"
fi
if [[ "${cur_recipe_sha256}" == "${new_recipe_sha256}" ]]; then
pr_info "Extension %s for %s platform is already up to date" "${ext_id}" "${platform_id}"
"${RM_PATH}" "${new_recipe_file}" || pr_warn "Failed to remove temp file %s" "${new_recipe_file}"
continue
fi
fi
pr_dbg "Previous recipe is not usable (outdated, broken, or missing) - processing newly downloaded one"
# now we know know that either ext is out of date or something is wrong with the current recipe (see previous if)
# either way we need to cleanup old one and simply get new one
# but just before we do that let's verify new recipe - if there's a new one and we confirmed it's different (or the
# old one is not found/broken) it should explode and user should not be able to complete update
if ! mrp_validate_recipe_file "${ext_id}" "${platform_id}" "${new_recipe_file}"; then
pr_err "Failed to update recipe for %s extension for platform %s. The script will terminate as the new recipe is" "${ext_id}"
pr_err "available but it's invalid. Try again later. If problem persists contact the extension packer for support"
pr_err "(displayed below)"
mrp_show_ext_info "${ext_id}"
pr_crit "Cannot continue due to previous errors (see above)"
fi
mrp_fill_recipe "${ext_id}" "${platform_id}" "${new_recipe_file}"
"${RM_PATH}" "${new_recipe_file}" || pr_warn "Failed to remove temp file %s" "${new_recipe_file}"
done
pr_process_ok
}
__action__dump_exts()
{
if [[ "$#" -lt 2 ]] || [[ "$#" -gt 3 ]]; then
pr_crit "\"%s _dump\" expected 2-3 arguments - got %d. See \"%s help\" for details" "${MRP_SRC_NAME}" "${#}" "${MRP_SRC_NAME}"
fi
local platform_id="${1}"
local dump_dir="${2}"
pr_process "Dumping %s platform extensions to %s" "${platform_id}" "${dump_dir}"
if ! mrp_validate_platform_id "${platform_id}"; then
pr_err "Platform ID %s is not valid" "${platform_id}"
return 1
fi
if [ ! -d "${dump_dir}" ] || [[ ! -z "$(${LS_PATH} -A "${dump_dir}")" ]]; then
pr_err "%s is not an **existing and empty** directory" "${dump_dir}"
return 1
fi
local -a extensions
if [[ -z "${3+0}" ]]; then # no extensions list passed - use all
pr_dbg "No extensions list passed - getting all"
mrp_get_all_extensions extensions
else # passed list of extensions - split them (we don't need to verify if they exist - we will try to read them anyway)
pr_dbg "Extensions list passed - splitting"
rpt_text_to_array ',' "${3}" extensions
fi
local platform_dir;
local dump_ext_di;
local platform_rcp_file;
local target_extensions; # list of extensions (space-separated) in order of how they should be loaded by the loader
local -A target_vars; # dump of variables for the script dumped to the final image to load everything in order
local -a files_keys;
local -A files_kv;
local ext_counter=-1;
local kmod_counter;
for ext_id in ${extensions[@]+"${extensions[@]}"}; do
((ext_counter++))
platform_dir="${RPT_EXTS_DIR}/${ext_id}/${platform_id}"
dump_ext_di="${dump_dir}/${ext_id}"
pr_dbg "Dumping platform %s extension %s from %s to %s" "${platform_id}" "${ext_id}" "${platform_dir}" "${dump_ext_di}"
platform_rcp_file=$(mrp_get_existing_recipe_file_path "${ext_id}" "${platform_id}")
if [[ $? -ne 0 ]]; then
pr_crit "Failed to dump extension %s for platform %s as its recipe file cannot be retrieved. Isn't the extension misspelled or not supported on that platform?" \
"${ext_id}" "${platform_id}"
fi
brp_cp_flat "${platform_dir}" "${dump_ext_di}" # theoretically this will suffice, but we can cleanup a bit
"${RM_PATH}" "${dump_ext_di}/${platform_id}.json" || true #this may safely fail (it shouldn't thou)
"${FIND_PATH}" "${dump_ext_di}" -type d -empty -delete # delete all empty dirs which may resulted from unpacking
# Handle kernel extensions (if any)
target_extensions+="${ext_id} " # POSIX shells don't care about leading/trailing whitespaces in IFS
if [[ "$(brp_json_has_field "${platform_rcp_file}" 'kmods')" -eq 1 ]]; then # not all extensions must have *.ko
pr_dbg "Extension has kernel modules - dumping"
brp_read_ordered_kv "${platform_rcp_file}" "kmods" files_keys files_kv
kmod_counter=0
for ko_name in ${files_keys[@]+"${files_keys[@]}"}; do
pr_dbg "Adding %s kmod (args: %s) from %s extension" "${ko_name}" "${files_kv[${ko_name}]}" "${ext_id}"
target_vars["EXT_${ext_counter}_kmod_files"]+="${ko_name} "
if [[ ! -z "${files_kv[${ko_name}]}" ]]; then
target_vars["EXT_${ext_counter}_kmod_${kmod_counter}_args"]="${files_kv[${ko_name}]}"
fi
((kmod_counter++))
done
fi
# Handle scripts (if any)
if [[ "$(brp_json_has_field "${platform_rcp_file}" 'scripts')" -eq 1 ]]; then # not all extensions must have scripts
pr_dbg "Extension has scripts - dumping"
brp_read_kv_to_array "${platform_rcp_file}" "scripts" files_kv # we don't care about the order read here
for script_action in "${!files_kv[@]}"; do
pr_dbg "Adding %s script for action %s from %s extension" \
"${script_action}" "${files_kv[${script_action}]}" "${ext_id}"
target_vars["EXT_${ext_counter}_scripts_${script_action}"]="${files_kv[${script_action}]}"
done
fi
done
# Copy bootstrap files
local target_exec_scr_path="${dump_dir}/exec.sh"
brp_cp_flat "include/loader-ext/readme.txt_" "${dump_dir}/__README__.txt"
brp_cp_flat "include/loader-ext/target_exec.sh_" "${target_exec_scr_path}"
rpt_make_executable "${target_exec_scr_path}"
# Fill-in bootstrap script
local ext_data='';
brp_replace_token_with_text "${target_exec_scr_path}" '@@@PLATFORM_ID@@@' "PLATFORM_ID=\"${platform_id}\""
brp_replace_token_with_text "${target_exec_scr_path}" '@@@EXTENSION_IDS@@@' "EXTENSION_IDS=\"${target_extensions}\""
for var_name in "${!target_vars[@]}"; do
ext_data+="${var_name}=\"${target_vars[${var_name}]}\""$'\n'
done
pr_dbg "Prepared EXT_DATA:\n%s" "${ext_data}"
brp_replace_token_with_text "${target_exec_scr_path}" '@@@EXT_DATA@@@' "${ext_data}"
}
__action_help ()
{
echo " RedPill Extensions Manager "
echo "=============================="
echo "Usage: ${MRP_SRC_NAME} <action> [arguments/options]"
echo "------------------------------"
echo "Actions intended for users:"
echo " info"
echo " Purpose: Gets information about an extension (or all of them)"
echo " Arguments:"
echo " [EXT_ID]: id of the extension; optional (if not specified it will list all)"
echo " Examples:"
echo " ${MRP_SRC_NAME} info # gets info about all installed"
echo " ${MRP_SRC_NAME} info thethorgroup.virtio # gets info about thethorgroup.virtio"