2 dnl ### NSC -- Zone File Generator
3 dnl ### (c) 1997--2011 Martin Mares <mj@ucw.cz>
5 dnl ### Usage: m4 -DVERS=path-to-version-file nsc.m4 domain-source-files >zone-file
6 dnl ### or: m4 -DHASHING nsc.m4 domain-source-files | md5sum
12 ifdef(`HASHING', `define(`VERSION',`YYYYMMDDNN')', `
14 ifdef(`VERS',`',`nsc_fatal_error(`VERS macro not defined')')
16 define(TODAY_CODE, translit(esyscmd(`date +"%Y%m%d"'),`
19 # Backward compatibility with NSC 2.x version files
20 ifdef(`last_today_code', `define(`LAST_TODAY_CODE',last_today_code)undefine(`last_today_code')')
21 ifdef(`subver_num', `define(`SUBVER_NUM',subver_num)undefine(`subver_num')')
22 ifelse(TODAY_CODE, LAST_TODAY_CODE, `', `define(`SUBVER_NUM',1)')
23 syscmd(echo >VERS "`define'(`LAST_TODAY_CODE',TODAY_CODE) `define'(`SUBVER_NUM',incr(SUBVER_NUM))")
24 ifelse(eval(SUBVER_NUM > 99),1,`nsc_fatal_error(`Too many zone changes in a single day, you must tweak 'VERS` manually')')
25 define(`VERSION',TODAY_CODE`'format(`%02d', SUBVER_NUM))
31 define(nsc_set_name, `define(`CURRENT_NAME', nsc_corr_dot($1))define(`PRINT_NAME', CURRENT_NAME)')
32 define(nsc_emit_name, `ifdef(`PRINT_NAME', `PRINT_NAME`'undefine(`PRINT_NAME')', `')')
33 define(nsc_abs_name, `ifelse(CURRENT_NAME, translit(CURRENT_NAME,.,:), CURRENT_NAME.CURRENT_DOMAIN, CURRENT_NAME)')
34 define(nsc_abs_name_nodot, `define(`nsc_tmp', nsc_abs_name)substr(nsc_tmp,0,decr(len(nsc_tmp)))')
39 ifelse(CURRENT_DOMAIN,@,`',$ORIGIN CURRENT_DOMAIN)
41 nsc_emit_name `SOA' nsc_corr_dot(NSNAME) MAINTNAME (
42 VERSION REFRESH RETRY EXPIRE MINTTL )')
43 define(SOA, `ifdef(`CURRENT_DOMAIN',`ifdef(`REVERSE_MODE',,`nsc_fatal_error(`SOA record defined twice')')')dnl
44 define(`CURRENT_DOMAIN',ifelse($1,@,@,$1.))dnl
45 nsc_set_name(CURRENT_DOMAIN)dnl
46 ifdef(`REVERSE_MODE',,`nsc_SOA')')
50 define(REVERSE, `divert(-1)
51 define(`REVERSE_MODE', `')
53 define(`REVNET6', nsc_revblock6($1))
55 define(`REVNET', `$1.')
56 define(`REVLOW', `$2')
57 define(`REVHIGH', `$3')
66 define(nsc_auto_PTR4, `dnl
68 ifelse(REVNET, substr($1, 0, len(REVNET)), `
69 define(`REVX', substr($1, len(REVNET)))
71 `nsc_mk_PTR(nsc_revaddr(REVX), $2)',
73 ifelse(eval((REVX >= REVLOW) && (REVX <= REVHIGH)), 1, `nsc_mk_PTR(REVX, $2)')
79 define(nsc_auto_PTR6, `dnl
81 define(`REVA', nsc_revaddr6($1))
82 ifelse(REVNET6, substr(REVA, eval(63-len(REVNET6))), `
83 nsc_mk_PTR(substr(REVA, 0, eval(62-len(REVNET6))), $2)
90 define(nsc_AONLY, `nsc_emit_name nsc_if_v6($1,`AAAA nsc_norm_v6($1)',``A' $1')
92 define(nsc_A, `nsc_if_v6($1,`nsc_auto_PTR6',`nsc_auto_PTR4')($1,nsc_abs_name)nsc_AONLY($1)')
93 define(ADDR, `nsc_iterate(`nsc_A', $@)dnl')
94 define(DADDR, `nsc_iterate(`nsc_AONLY', $@)dnl')
98 define(H, `nsc_set_name($1)nsc_iterate(`nsc_A', shift($@))dnl')
99 define(DH, `nsc_set_name($1)nsc_iterate(`nsc_AONLY', shift($@))dnl')
101 # Subdomain specification and glue records
103 define(D, `nsc_set_name($1)dnl')
104 define(GLUE, `DH($@)')
108 define(nsc_NS, `nsc_emit_name `NS' nsc_corr_dot($1)
110 define(NS, `nsc_iterate(`nsc_NS', $@)dnl')
114 define(nsc_MX, `nsc_emit_name `MX' nsc_corr_dot($1)
116 define(MX, `nsc_iterate(`nsc_MX', $@)dnl')
120 define(HI, `nsc_emit_name HINFO "$1" "$2"')
124 define(nsc_ALIAS, `$1 `CNAME' CURRENT_NAME
126 define(ALIAS, `nsc_iterate(`nsc_ALIAS', $@)nsc_set_name(CURRENT_NAME)dnl')
130 define(TXT, `nsc_emit_name `TXT' "$1"')
132 # RP (responsible person) records
134 define(RP, `nsc_emit_name `RP' nsc_corr_dot($1) nsc_corr_dot($2)')
138 define(SRV, `_`'$1`'._`'$2`'.CURRENT_NAME `SRV' $3 $4 $5 nsc_corr_dot($6)`'nsc_set_name(CURRENT_NAME)')
142 define(CNAME, `$1 `CNAME' nsc_corr_dot($2)')
144 # Explicit PTR records
146 define(PTR, `$1 `PTR' nsc_corr_dot($2)')
148 # DS records (DNSSEC keys for subdomains)
150 define(DS, `ifdef(`REVERSE_MODE',,`nsc_DS')')
151 define(nsc_DS, `undivert(dss/nsc_abs_name_nodot)')
153 # Shortcut for classless reverse delegation of a block
155 define(REVBLOCK, `nsc_forloop(`i', $2, $3, `i' `CNAME' `i'.$1
161 define(nsc_cleanup, `ifdef(`DISABLE_LOCALHOST',,`
162 ; Added automatically (required by RFC 1912)
163 localhost A 127.0.0.1
165 m4wrap(`nsc_cleanup')
168 `;;;' Primary zone file
169 `;;;' Generated by NSCVER (nsc.m4) on ifdef(`HASHING', ``CURRENT_DATE'', `CURRENT_DATE')
170 `;;;' Please do not edit manually
171 `;;;' `VERSION': VERSION