diff options
Diffstat (limited to 'source4/scripting/bin/samba_dnsupdate')
| -rwxr-xr-x | source4/scripting/bin/samba_dnsupdate | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/source4/scripting/bin/samba_dnsupdate b/source4/scripting/bin/samba_dnsupdate index e86fba2983..78d7dc1712 100755 --- a/source4/scripting/bin/samba_dnsupdate +++ b/source4/scripting/bin/samba_dnsupdate @@ -89,6 +89,17 @@ if len(IPs) == 0: print "No IP interfaces - skipping DNS updates" sys.exit(0) +IP6s = [] +IP4s = [] +for i in IPs: + if i.find(':') != -1: + if i.find('%') == -1: + # we don't want link local addresses for DNS updates + IP6s.append(i) + else: + IP4s.append(i) + + if opts.verbose: print "IPs: %s" % IPs @@ -122,7 +133,7 @@ class dnsobj(object): if self.type == 'SRV': self.dest = list[2].lower() self.port = list[3] - elif self.type == 'A': + elif self.type in ['A', 'AAAA']: self.ip = list[2] # usually $IP, which gets replaced elif self.type == 'CNAME': self.dest = list[2].lower() @@ -132,6 +143,7 @@ class dnsobj(object): def __str__(self): if d.type == "A": return "%s %s %s" % (self.type, self.name, self.ip) + if d.type == "AAAA": return "%s %s %s" % (self.type, self.name, self.ip) if d.type == "SRV": return "%s %s %s %s" % (self.type, self.name, self.dest, self.port) if d.type == "CNAME": return "%s %s %s" % (self.type, self.name, self.dest) @@ -178,7 +190,7 @@ def check_dns_name(d): if opts.verbose: print "Failed to find DNS entry %s" % d return False - if d.type == 'A': + if d.type in ['A', 'AAAA']: # we need to be sure that our IP is there for rdata in ans: if str(rdata) == str(d.ip): @@ -210,7 +222,7 @@ def get_subst_vars(): global lp, am_rodc vars = {} - samdb = SamDB(url=lp.get("sam database"), session_info=system_session(), + samdb = SamDB(url=lp.samdb_url(), session_info=system_session(), lp=lp) vars['DNSDOMAIN'] = lp.get('realm').lower() @@ -247,6 +259,8 @@ def call_nsupdate(d): f = os.fdopen(tmp_fd, 'w') if d.type == "A": f.write("update add %s %u A %s\n" % (normalised_name, default_ttl, d.ip)) + if d.type == "AAAA": + f.write("update add %s %u AAAA %s\n" % (normalised_name, default_ttl, d.ip)) if d.type == "SRV": if d.existing_port is not None: f.write("update delete %s SRV 0 %s %s %s\n" % (normalised_name, d.existing_weight, @@ -264,7 +278,7 @@ def call_nsupdate(d): try: cmd = nsupdate_cmd[:] cmd.append(tmpfile) - ret = subprocess.call(cmd, shell=False) + ret = subprocess.call(cmd, shell=False, env={"KRB5CCNAME": ccachename}) if ret != 0: if opts.fail_immediately: sys.exit(1) @@ -382,16 +396,28 @@ for line in file: if line == '' or line[0] == "#": continue d = parse_dns_line(line, sub_vars) + if d.type == 'A' and len(IP4s) == 0: + continue + if d.type == 'AAAA' and len(IP6s) == 0: + continue dns_list.append(d) # now expand the entries, if any are A record with ip set to $IP # then replace with multiple entries, one for each interface IP for d in dns_list: - if d.type == 'A' and d.ip == "$IP": - d.ip = IPs[0] - for i in range(len(IPs)-1): + if d.ip != "$IP": + continue + if d.type == 'A': + d.ip = IP4s[0] + for i in range(len(IP4s)-1): + d2 = dnsobj(str(d)) + d2.ip = IP4s[i+1] + dns_list.append(d2) + if d.type == 'AAAA': + d.ip = IP6s[0] + for i in range(len(IP6s)-1): d2 = dnsobj(str(d)) - d2.ip = IPs[i+1] + d2.ip = IP6s[i+1] dns_list.append(d2) # now check if the entries already exist on the DNS server @@ -412,7 +438,7 @@ for d in update_list: if am_rodc: if d.name.lower() == domain.lower(): continue - if d.type != 'A': + if not d.type in [ 'A', 'AAAA' ]: call_rodc_update(d) else: call_nsupdate(d) |