Index: tools/telemetry/third_party/webpagereplay/third_party/dns/update.py |
diff --git a/tools/telemetry/third_party/webpagereplay/third_party/dns/update.py b/tools/telemetry/third_party/webpagereplay/third_party/dns/update.py |
deleted file mode 100644 |
index 7d4263689170574fdde5df4cfed2bf0b20556df8..0000000000000000000000000000000000000000 |
--- a/tools/telemetry/third_party/webpagereplay/third_party/dns/update.py |
+++ /dev/null |
@@ -1,241 +0,0 @@ |
-# Copyright (C) 2003-2007, 2009, 2010 Nominum, Inc. |
-# |
-# Permission to use, copy, modify, and distribute this software and its |
-# documentation for any purpose with or without fee is hereby granted, |
-# provided that the above copyright notice and this permission notice |
-# appear in all copies. |
-# |
-# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES |
-# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
-# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR |
-# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
-# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
-# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
-# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
- |
-"""DNS Dynamic Update Support""" |
- |
-import dns.message |
-import dns.name |
-import dns.opcode |
-import dns.rdata |
-import dns.rdataclass |
-import dns.rdataset |
- |
-class Update(dns.message.Message): |
- def __init__(self, zone, rdclass=dns.rdataclass.IN, keyring=None, |
- keyname=None, keyalgorithm=dns.tsig.default_algorithm): |
- """Initialize a new DNS Update object. |
- |
- @param zone: The zone which is being updated. |
- @type zone: A dns.name.Name or string |
- @param rdclass: The class of the zone; defaults to dns.rdataclass.IN. |
- @type rdclass: An int designating the class, or a string whose value |
- is the name of a class. |
- @param keyring: The TSIG keyring to use; defaults to None. |
- @type keyring: dict |
- @param keyname: The name of the TSIG key to use; defaults to None. |
- The key must be defined in the keyring. If a keyring is specified |
- but a keyname is not, then the key used will be the first key in the |
- keyring. Note that the order of keys in a dictionary is not defined, |
- so applications should supply a keyname when a keyring is used, unless |
- they know the keyring contains only one key. |
- @type keyname: dns.name.Name or string |
- @param keyalgorithm: The TSIG algorithm to use; defaults to |
- dns.tsig.default_algorithm |
- @type keyalgorithm: string |
- """ |
- super(Update, self).__init__() |
- self.flags |= dns.opcode.to_flags(dns.opcode.UPDATE) |
- if isinstance(zone, (str, unicode)): |
- zone = dns.name.from_text(zone) |
- self.origin = zone |
- if isinstance(rdclass, str): |
- rdclass = dns.rdataclass.from_text(rdclass) |
- self.zone_rdclass = rdclass |
- self.find_rrset(self.question, self.origin, rdclass, dns.rdatatype.SOA, |
- create=True, force_unique=True) |
- if not keyring is None: |
- self.use_tsig(keyring, keyname, keyalgorithm) |
- |
- def _add_rr(self, name, ttl, rd, deleting=None, section=None): |
- """Add a single RR to the update section.""" |
- |
- if section is None: |
- section = self.authority |
- covers = rd.covers() |
- rrset = self.find_rrset(section, name, self.zone_rdclass, rd.rdtype, |
- covers, deleting, True, True) |
- rrset.add(rd, ttl) |
- |
- def _add(self, replace, section, name, *args): |
- """Add records. The first argument is the replace mode. If |
- false, RRs are added to an existing RRset; if true, the RRset |
- is replaced with the specified contents. The second |
- argument is the section to add to. The third argument |
- is always a name. The other arguments can be: |
- |
- - rdataset... |
- |
- - ttl, rdata... |
- |
- - ttl, rdtype, string...""" |
- |
- if isinstance(name, (str, unicode)): |
- name = dns.name.from_text(name, None) |
- if isinstance(args[0], dns.rdataset.Rdataset): |
- for rds in args: |
- if replace: |
- self.delete(name, rds.rdtype) |
- for rd in rds: |
- self._add_rr(name, rds.ttl, rd, section=section) |
- else: |
- args = list(args) |
- ttl = int(args.pop(0)) |
- if isinstance(args[0], dns.rdata.Rdata): |
- if replace: |
- self.delete(name, args[0].rdtype) |
- for rd in args: |
- self._add_rr(name, ttl, rd, section=section) |
- else: |
- rdtype = args.pop(0) |
- if isinstance(rdtype, str): |
- rdtype = dns.rdatatype.from_text(rdtype) |
- if replace: |
- self.delete(name, rdtype) |
- for s in args: |
- rd = dns.rdata.from_text(self.zone_rdclass, rdtype, s, |
- self.origin) |
- self._add_rr(name, ttl, rd, section=section) |
- |
- def add(self, name, *args): |
- """Add records. The first argument is always a name. The other |
- arguments can be: |
- |
- - rdataset... |
- |
- - ttl, rdata... |
- |
- - ttl, rdtype, string...""" |
- self._add(False, self.authority, name, *args) |
- |
- def delete(self, name, *args): |
- """Delete records. The first argument is always a name. The other |
- arguments can be: |
- |
- - I{nothing} |
- |
- - rdataset... |
- |
- - rdata... |
- |
- - rdtype, [string...]""" |
- |
- if isinstance(name, (str, unicode)): |
- name = dns.name.from_text(name, None) |
- if len(args) == 0: |
- rrset = self.find_rrset(self.authority, name, dns.rdataclass.ANY, |
- dns.rdatatype.ANY, dns.rdatatype.NONE, |
- dns.rdatatype.ANY, True, True) |
- elif isinstance(args[0], dns.rdataset.Rdataset): |
- for rds in args: |
- for rd in rds: |
- self._add_rr(name, 0, rd, dns.rdataclass.NONE) |
- else: |
- args = list(args) |
- if isinstance(args[0], dns.rdata.Rdata): |
- for rd in args: |
- self._add_rr(name, 0, rd, dns.rdataclass.NONE) |
- else: |
- rdtype = args.pop(0) |
- if isinstance(rdtype, str): |
- rdtype = dns.rdatatype.from_text(rdtype) |
- if len(args) == 0: |
- rrset = self.find_rrset(self.authority, name, |
- self.zone_rdclass, rdtype, |
- dns.rdatatype.NONE, |
- dns.rdataclass.ANY, |
- True, True) |
- else: |
- for s in args: |
- rd = dns.rdata.from_text(self.zone_rdclass, rdtype, s, |
- self.origin) |
- self._add_rr(name, 0, rd, dns.rdataclass.NONE) |
- |
- def replace(self, name, *args): |
- """Replace records. The first argument is always a name. The other |
- arguments can be: |
- |
- - rdataset... |
- |
- - ttl, rdata... |
- |
- - ttl, rdtype, string... |
- |
- Note that if you want to replace the entire node, you should do |
- a delete of the name followed by one or more calls to add.""" |
- |
- self._add(True, self.authority, name, *args) |
- |
- def present(self, name, *args): |
- """Require that an owner name (and optionally an rdata type, |
- or specific rdataset) exists as a prerequisite to the |
- execution of the update. The first argument is always a name. |
- The other arguments can be: |
- |
- - rdataset... |
- |
- - rdata... |
- |
- - rdtype, string...""" |
- |
- if isinstance(name, (str, unicode)): |
- name = dns.name.from_text(name, None) |
- if len(args) == 0: |
- rrset = self.find_rrset(self.answer, name, |
- dns.rdataclass.ANY, dns.rdatatype.ANY, |
- dns.rdatatype.NONE, None, |
- True, True) |
- elif isinstance(args[0], dns.rdataset.Rdataset) or \ |
- isinstance(args[0], dns.rdata.Rdata) or \ |
- len(args) > 1: |
- if not isinstance(args[0], dns.rdataset.Rdataset): |
- # Add a 0 TTL |
- args = list(args) |
- args.insert(0, 0) |
- self._add(False, self.answer, name, *args) |
- else: |
- rdtype = args[0] |
- if isinstance(rdtype, str): |
- rdtype = dns.rdatatype.from_text(rdtype) |
- rrset = self.find_rrset(self.answer, name, |
- dns.rdataclass.ANY, rdtype, |
- dns.rdatatype.NONE, None, |
- True, True) |
- |
- def absent(self, name, rdtype=None): |
- """Require that an owner name (and optionally an rdata type) does |
- not exist as a prerequisite to the execution of the update.""" |
- |
- if isinstance(name, (str, unicode)): |
- name = dns.name.from_text(name, None) |
- if rdtype is None: |
- rrset = self.find_rrset(self.answer, name, |
- dns.rdataclass.NONE, dns.rdatatype.ANY, |
- dns.rdatatype.NONE, None, |
- True, True) |
- else: |
- if isinstance(rdtype, str): |
- rdtype = dns.rdatatype.from_text(rdtype) |
- rrset = self.find_rrset(self.answer, name, |
- dns.rdataclass.NONE, rdtype, |
- dns.rdatatype.NONE, None, |
- True, True) |
- |
- def to_wire(self, origin=None, max_size=65535): |
- """Return a string containing the update in DNS compressed wire |
- format. |
- @rtype: string""" |
- if origin is None: |
- origin = self.origin |
- return super(Update, self).to_wire(origin, max_size) |