| config.lua (359400) | config.lua (360596) |
|---|---|
| 1-- 2-- SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3-- 4-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org> 5-- Copyright (C) 2018 Kyle Evans <kevans@FreeBSD.org> 6-- All rights reserved. 7-- 8-- Redistribution and use in source and binary forms, with or without --- 12 unchanged lines hidden (view full) --- 21-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27-- SUCH DAMAGE. 28-- | 1-- 2-- SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3-- 4-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org> 5-- Copyright (C) 2018 Kyle Evans <kevans@FreeBSD.org> 6-- All rights reserved. 7-- 8-- Redistribution and use in source and binary forms, with or without --- 12 unchanged lines hidden (view full) --- 21-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27-- SUCH DAMAGE. 28-- |
| 29-- $FreeBSD: stable/11/stand/lua/config.lua 359400 2020-03-28 17:11:54Z kevans $ | 29-- $FreeBSD: stable/11/stand/lua/config.lua 360596 2020-05-03 03:53:38Z kevans $ |
| 30-- 31 32local hook = require("hook") 33 34local config = {} 35local modules = {} 36local carousel_choices = {} 37-- Which variables we changed --- 18 unchanged lines hidden (view full) --- 56local MSG_MODBLACKLIST = "Not loading blacklisted module '%s'" 57 58local MODULEEXPR = '([%w-_]+)' 59local QVALEXPR = "\"([%w%s%p]-)\"" 60local QVALREPL = QVALEXPR:gsub('%%', '%%%%') 61local WORDEXPR = "([%w]+)" 62local WORDREPL = WORDEXPR:gsub('%%', '%%%%') 63 | 30-- 31 32local hook = require("hook") 33 34local config = {} 35local modules = {} 36local carousel_choices = {} 37-- Which variables we changed --- 18 unchanged lines hidden (view full) --- 56local MSG_MODBLACKLIST = "Not loading blacklisted module '%s'" 57 58local MODULEEXPR = '([%w-_]+)' 59local QVALEXPR = "\"([%w%s%p]-)\"" 60local QVALREPL = QVALEXPR:gsub('%%', '%%%%') 61local WORDEXPR = "([%w]+)" 62local WORDREPL = WORDEXPR:gsub('%%', '%%%%') 63 |
| 64-- Entries that should never make it into the environment; each one should have 65-- a documented reason for its existence, and these should all be implementation 66-- details of the config module. 67local loader_env_restricted_table = { 68 -- loader_conf_files should be considered write-only, and consumers 69 -- should not rely on any particular value; it's a loader implementation 70 -- detail. Moreover, it's not a particularly useful variable to have in 71 -- the kenv. Save the overhead, let it get fetched other ways. 72 loader_conf_files = true, 73} 74 |
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| 64local function restoreEnv() 65 -- Examine changed environment variables 66 for k, v in pairs(env_changed) do 67 local restore_value = env_restore[k] 68 if restore_value == nil then 69 -- This one doesn't need restored for some reason 70 goto continue 71 end --- 11 unchanged lines hidden (view full) --- 83 end 84 ::continue:: 85 end 86 87 env_changed = {} 88 env_restore = {} 89end 90 | 75local function restoreEnv() 76 -- Examine changed environment variables 77 for k, v in pairs(env_changed) do 78 local restore_value = env_restore[k] 79 if restore_value == nil then 80 -- This one doesn't need restored for some reason 81 goto continue 82 end --- 11 unchanged lines hidden (view full) --- 94 end 95 ::continue:: 96 end 97 98 env_changed = {} 99 env_restore = {} 100end 101 |
| 102-- XXX This getEnv/setEnv should likely be exported at some point. We can save 103-- the call back into loader.getenv for any variable that's been set or 104-- overridden by any loader.conf using this implementation with little overhead 105-- since we're already tracking the values. 106local function getEnv(key) 107 if loader_env_restricted_table[key] ~= nil or 108 env_changed[key] ~= nil then 109 return env_changed[key] 110 end 111 112 return loader.getenv(key) 113end 114 |
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| 91local function setEnv(key, value) | 115local function setEnv(key, value) |
| 116 env_changed[key] = value 117 118 if loader_env_restricted_table[key] ~= nil then 119 return 0 120 end 121 |
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| 92 -- Track the original value for this if we haven't already 93 if env_restore[key] == nil then 94 env_restore[key] = {value = loader.getenv(key)} 95 end 96 | 122 -- Track the original value for this if we haven't already 123 if env_restore[key] == nil then 124 env_restore[key] = {value = loader.getenv(key)} 125 end 126 |
| 97 env_changed[key] = value 98 | |
| 99 return loader.setenv(key, value) 100end 101 102-- name here is one of 'name', 'type', flags', 'before', 'after', or 'error.' 103-- These are set from lines in loader.conf(5): ${key}_${name}="${value}" where 104-- ${key} is a module name. 105local function setKey(key, name, value) 106 if modules[key] == nil then --- 228 unchanged lines hidden (view full) --- 335 end 336 end 337 ::continue:: 338 end 339 340 return status 341end 342 | 127 return loader.setenv(key, value) 128end 129 130-- name here is one of 'name', 'type', flags', 'before', 'after', or 'error.' 131-- These are set from lines in loader.conf(5): ${key}_${name}="${value}" where 132-- ${key} is a module name. 133local function setKey(key, name, value) 134 if modules[key] == nil then --- 228 unchanged lines hidden (view full) --- 363 end 364 end 365 ::continue:: 366 end 367 368 return status 369end 370 |
| 343local function readConfFiles(loaded_files) 344 local f = loader.getenv("loader_conf_files") 345 if f ~= nil then 346 for name in f:gmatch("([%w%p]+)%s*") do 347 if loaded_files[name] ~= nil then 348 goto continue 349 end 350 351 local prefiles = loader.getenv("loader_conf_files") 352 353 print("Loading " .. name) 354 -- These may or may not exist, and that's ok. Do a 355 -- silent parse so that we complain on parse errors but 356 -- not for them simply not existing. 357 if not config.processFile(name, true) then 358 print(MSG_FAILPARSECFG:format(name)) 359 end 360 361 loaded_files[name] = true 362 local newfiles = loader.getenv("loader_conf_files") 363 if prefiles ~= newfiles then 364 readConfFiles(loaded_files) 365 end 366 ::continue:: 367 end 368 end 369end 370 | |
| 371local function readFile(name, silent) 372 local f = io.open(name) 373 if f == nil then 374 if not silent then 375 print(MSG_FAILOPENCFG:format(name)) 376 end 377 return nil 378 end --- 104 unchanged lines hidden (view full) --- 483 end 484 ::nextline:: 485 n = n + 1 486 end 487 488 return status 489end 490 | 371local function readFile(name, silent) 372 local f = io.open(name) 373 if f == nil then 374 if not silent then 375 print(MSG_FAILOPENCFG:format(name)) 376 end 377 return nil 378 end --- 104 unchanged lines hidden (view full) --- 483 end 484 ::nextline:: 485 n = n + 1 486 end 487 488 return status 489end 490 |
| 491function config.readConf(file, loaded_files) 492 if loaded_files == nil then 493 loaded_files = {} 494 end 495 496 if loaded_files[file] ~= nil then 497 return 498 end 499 500 print("Loading " .. file) 501 502 -- The final value of loader_conf_files is not important, so just 503 -- clobber it here. We'll later check if it's no longer nil and process 504 -- the new value for files to read. 505 setEnv("loader_conf_files", nil) 506 507 -- These may or may not exist, and that's ok. Do a 508 -- silent parse so that we complain on parse errors but 509 -- not for them simply not existing. 510 if not config.processFile(file, true) then 511 print(MSG_FAILPARSECFG:format(file)) 512 end 513 514 loaded_files[file] = true 515 516 -- Going to process "loader_conf_files" extra-files 517 local loader_conf_files = getEnv("loader_conf_files") 518 if loader_conf_files ~= nil then 519 for name in loader_conf_files:gmatch("[%w%p]+") do 520 config.readConf(name, loaded_files) 521 end 522 end 523end 524 |
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| 491-- other_kernel is optionally the name of a kernel to load, if not the default 492-- or autoloaded default from the module_path 493function config.loadKernel(other_kernel) 494 local flags = loader.getenv("kernel_options") or "" 495 local kernel = other_kernel or loader.getenv("kernel") 496 497 local function tryLoad(names) 498 for name in names:gmatch("([^;]+)%s*;?") do --- 92 unchanged lines hidden (view full) --- 591 config.kernel_selected = kernel 592end 593 594function config.load(file, reloading) 595 if not file then 596 file = "/boot/defaults/loader.conf" 597 end 598 | 525-- other_kernel is optionally the name of a kernel to load, if not the default 526-- or autoloaded default from the module_path 527function config.loadKernel(other_kernel) 528 local flags = loader.getenv("kernel_options") or "" 529 local kernel = other_kernel or loader.getenv("kernel") 530 531 local function tryLoad(names) 532 for name in names:gmatch("([^;]+)%s*;?") do --- 92 unchanged lines hidden (view full) --- 625 config.kernel_selected = kernel 626end 627 628function config.load(file, reloading) 629 if not file then 630 file = "/boot/defaults/loader.conf" 631 end 632 |
| 599 if not config.processFile(file) then 600 print(MSG_FAILPARSECFG:format(file)) 601 end | 633 config.readConf(file) |
| 602 | 634 |
| 603 local loaded_files = {file = true} 604 readConfFiles(loaded_files) 605 | |
| 606 checkNextboot() 607 608 local verbose = loader.getenv("verbose_loading") or "no" 609 config.verbose = verbose:lower() == "yes" 610 if not reloading then 611 hook.runAll("config.loaded") 612 end 613end --- 38 unchanged lines hidden --- | 635 checkNextboot() 636 637 local verbose = loader.getenv("verbose_loading") or "no" 638 config.verbose = verbose:lower() == "yes" 639 if not reloading then 640 hook.runAll("config.loaded") 641 end 642end --- 38 unchanged lines hidden --- |