" Vim syntax file
" Language: login.defs(5) configuration file
" Maintainer: Nikolai Weibull <[email protected]>
" Latest Revision: 2010-11-29

if exists("b:current_syntax")
finish
endif

let s:cpo_save = &cpo
set cpo&vim

syn match logindefsBegin display '^'
\ nextgroup=
\ logindefsComment,
\ @logindefsKeyword
\ skipwhite

syn region logindefsComment display oneline start='^\s*#' end='$'
\ contains=logindefsTodo,@Spell

syn keyword logindefsTodo contained TODO FIXME XXX NOTE

syn cluster logindefsKeyword contains=
\ logindefsBooleanKeyword,
\ logindefsEncryptKeyword,
\ logindefsNumberKeyword,
\ logindefsPathKeyword,
\ logindefsPathsKeyword,
\ logindefsStringKeyword

syn keyword logindefsBooleanKeyword contained
\ CHFN_AUTH
\ CHSH_AUTH
\ CREATE_HOME
\ DEFAULT_HOME
\ FAILLOG_ENAB
\ LASTLOG_ENAB
\ LOG_OK_LOGINS
\ LOG_UNKFAIL_ENAB
\ MAIL_CHECK_ENAB
\ MD5_CRYPT_ENAB
\ OBSCURE_CHECKS_ENAB
\ PASS_ALWAYS_WARN
\ PORTTIME_CHECKS_ENAB
\ QUOTAS_ENAB
\ SU_WHEEL_ONLY
\ SYSLOG_SG_ENAB
\ SYSLOG_SU_ENAB
\ USERGROUPS_ENAB
\ nextgroup=logindefsBoolean skipwhite

syn keyword logindefsBoolean contained yes no

syn keyword logindefsEncryptKeyword contained
\ ENCRYPT_METHOD
\ nextgroup=logindefsEncryptMethod skipwhite

syn keyword logindefsEncryptMethod contained
\ DES
\ MD5
\ SHA256
\ SHA512

syn keyword logindefsNumberKeyword contained
\ ERASECHAR
\ FAIL_DELAY
\ GID_MAX
\ GID_MIN
\ KILLCHAR
\ LOGIN_RETRIES
\ LOGIN_TIMEOUT
\ MAX_MEMBERS_PER_GROUP
\ PASS_CHANGE_TRIES
\ PASS_MAX_DAYS
\ PASS_MIN_DAYS
\ PASS_WARN_AGE
\ PASS_MAX_LEN
\ PASS_MIN_LEN
\ SHA_CRYPT_MAX_ROUNDS
\ SHA_CRYPT_MIN_ROUNDS
\ SYS_GID_MAX
\ SYS_GID_MIN
\ SYS_UID_MAX
\ SYS_UID_MIN
\ UID_MAX
\ UID_MIN
\ ULIMIT
\ UMASK
\ nextgroup=@logindefsNumber skipwhite

syn cluster logindefsNumber contains=
\ logindefsDecimal,
\ logindefsHex,
\ logindefsOctal,
\ logindefsOctalError

syn match logindefsDecimal contained '\<\d\+\>'

syn match logindefsHex contained display '\<0x\x\+\>'

syn match logindefsOctal contained display '\<0\o\+\>'
\ contains=logindefsOctalZero
syn match logindefsOctalZero contained display '\<0'

syn match logindefsOctalError contained display '\<0\o*[89]\d*\>'

syn keyword logindefsPathKeyword contained
\ ENVIRON_FILE
\ FAKE_SHELL
\ FTMP_FILE
\ HUSHLOGIN_FILE
\ ISSUE_FILE
\ MAIL_DIR
\ MAIL_FILE
\ NOLOGINS_FILE
\ SULOG_FILE
\ TTYTYPE_FILE
\ nextgroup=logindefsPath skipwhite

syn match logindefsPath contained '[[:graph:]]\+'

syn keyword logindefsPathsKeyword contained
\ CONSOLE
\ ENV_PATH
\ ENV_SUPATH
\ MOTD_FILE
\ nextgroup=logindefsPaths skipwhite

syn match logindefsPaths contained '[^:]\+'
\ nextgroup=logindefsPathDelim

syn match logindefsPathDelim contained ':' nextgroup=logindefsPaths

syn keyword logindefsStringKeyword contained
\ CHFN_RESTRICT
\ CONSOLE_GROUPS
\ ENV_HZ
\ ENV_TZ
\ LOGIN_STRING
\ SU_NAME
\ TTYGROUP
\ TTYPERM
\ USERDEL_CMD
\ nextgroup=logindefsString skipwhite

syn match logindefsString contained '[[:graph:]]\+'

hi def link logindefsComment Comment
hi def link logindefsTodo Todo
hi def link logindefsKeyword Keyword
hi def link logindefsBooleanKeyword logindefsKeyword
hi def link logindefsEncryptKeyword logindefsKeyword
hi def link logindefsNumberKeyword logindefsKeyword
hi def link logindefsPathKeyword logindefsKeyword
hi def link logindefsPathsKeyword logindefsKeyword
hi def link logindefsStringKeyword logindefsKeyword
hi def link logindefsBoolean Boolean
hi def link logindefsEncryptMethod Type
hi def link logindefsNumber Number
hi def link logindefsDecimal logindefsNumber
hi def link logindefsHex logindefsNumber
hi def link logindefsOctal logindefsNumber
hi def link logindefsOctalZero PreProc
hi def link logindefsOctalError Error
hi def link logindefsPath String
hi def link logindefsPaths logindefsPath
hi def link logindefsPathDelim Delimiter
hi def link logindefsString String

let b:current_syntax = "logindefs"

let &cpo = s:cpo_save
unlet s:cpo_save