Python dns.node() Examples

The following are 10 code examples of dns.node(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module dns , or try the search function .
Example #1
Source File: dnssec.py    From script.elementum.burst with Do What The F*ck You Want To Public License 6 votes vote down vote up 
def _find_candidate_keys(keys, rrsig):
    candidate_keys = []
    value = keys.get(rrsig.signer)
    if value is None:
        return None
    if isinstance(value, dns.node.Node):
        try:
            rdataset = value.find_rdataset(dns.rdataclass.IN,
                                           dns.rdatatype.DNSKEY)
        except KeyError:
            return None
    else:
        rdataset = value
    for rdata in rdataset:
        if rdata.algorithm == rrsig.algorithm and \
                key_id(rdata) == rrsig.key_tag:
            candidate_keys.append(rdata)
    return candidate_keys
Example #2
Source File: dnssec.py    From elasticintel with GNU General Public License v3.0 6 votes vote down vote up 
def _find_candidate_keys(keys, rrsig):
    candidate_keys = []
    value = keys.get(rrsig.signer)
    if value is None:
        return None
    if isinstance(value, dns.node.Node):
        try:
            rdataset = value.find_rdataset(dns.rdataclass.IN,
                                           dns.rdatatype.DNSKEY)
        except KeyError:
            return None
    else:
        rdataset = value
    for rdata in rdataset:
        if rdata.algorithm == rrsig.algorithm and \
                key_id(rdata) == rrsig.key_tag:
            candidate_keys.append(rdata)
    return candidate_keys
Example #3
Source File: dnssec.py    From bazarr with GNU General Public License v3.0 6 votes vote down vote up 
def _find_candidate_keys(keys, rrsig):
    candidate_keys = []
    value = keys.get(rrsig.signer)
    if value is None:
        return None
    if isinstance(value, dns.node.Node):
        try:
            rdataset = value.find_rdataset(dns.rdataclass.IN,
                                           dns.rdatatype.DNSKEY)
        except KeyError:
            return None
    else:
        rdataset = value
    for rdata in rdataset:
        if rdata.algorithm == rrsig.algorithm and \
                key_id(rdata) == rrsig.key_tag:
            candidate_keys.append(rdata)
    return candidate_keys
Example #4
Source File: dnssec.py    From arissploit with GNU General Public License v3.0 6 votes vote down vote up 
def _find_candidate_keys(keys, rrsig):
    candidate_keys = []
    value = keys.get(rrsig.signer)
    if value is None:
        return None
    if isinstance(value, dns.node.Node):
        try:
            rdataset = value.find_rdataset(dns.rdataclass.IN,
                                           dns.rdatatype.DNSKEY)
        except KeyError:
            return None
    else:
        rdataset = value
    for rdata in rdataset:
        if rdata.algorithm == rrsig.algorithm and \
                key_id(rdata) == rrsig.key_tag:
            candidate_keys.append(rdata)
    return candidate_keys
Example #5
Source File: dnssec.py    From Tautulli with GNU General Public License v3.0 6 votes vote down vote up 
def _find_candidate_keys(keys, rrsig):
    candidate_keys = []
    value = keys.get(rrsig.signer)
    if value is None:
        return None
    if isinstance(value, dns.node.Node):
        try:
            rdataset = value.find_rdataset(dns.rdataclass.IN,
                                           dns.rdatatype.DNSKEY)
        except KeyError:
            return None
    else:
        rdataset = value
    for rdata in rdataset:
        if rdata.algorithm == rrsig.algorithm and \
                key_id(rdata) == rrsig.key_tag:
            candidate_keys.append(rdata)
    return candidate_keys
Example #6
Source File: dnssec.py    From script.elementum.burst with Do What The F*ck You Want To Public License 4 votes vote down vote up 
def _validate(rrset, rrsigset, keys, origin=None, now=None):
    """Validate an RRset

    @param rrset: The RRset to validate
    @type rrset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param rrsigset: The signature RRset
    @type rrsigset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param keys: The key dictionary.
    @type keys: a dictionary keyed by dns.name.Name with node or rdataset
    values
    @param origin: The origin to use for relative names
    @type origin: dns.name.Name or None
    @param now: The time to use when validating the signatures.  The default
    is the current time.
    @type now: int
    """

    if isinstance(origin, string_types):
        origin = dns.name.from_text(origin, dns.name.root)

    if isinstance(rrset, tuple):
        rrname = rrset[0]
    else:
        rrname = rrset.name

    if isinstance(rrsigset, tuple):
        rrsigname = rrsigset[0]
        rrsigrdataset = rrsigset[1]
    else:
        rrsigname = rrsigset.name
        rrsigrdataset = rrsigset

    rrname = rrname.choose_relativity(origin)
    rrsigname = rrname.choose_relativity(origin)
    if rrname != rrsigname:
        raise ValidationFailure("owner names do not match")

    for rrsig in rrsigrdataset:
        try:
            _validate_rrsig(rrset, rrsig, keys, origin, now)
            return
        except ValidationFailure:
            pass
    raise ValidationFailure("no RRSIGs validated")
Example #7
Source File: dnssec.py    From elasticintel with GNU General Public License v3.0 4 votes vote down vote up 
def _validate(rrset, rrsigset, keys, origin=None, now=None):
    """Validate an RRset

    @param rrset: The RRset to validate
    @type rrset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param rrsigset: The signature RRset
    @type rrsigset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param keys: The key dictionary.
    @type keys: a dictionary keyed by dns.name.Name with node or rdataset
    values
    @param origin: The origin to use for relative names
    @type origin: dns.name.Name or None
    @param now: The time to use when validating the signatures.  The default
    is the current time.
    @type now: int
    """

    if isinstance(origin, string_types):
        origin = dns.name.from_text(origin, dns.name.root)

    if isinstance(rrset, tuple):
        rrname = rrset[0]
    else:
        rrname = rrset.name

    if isinstance(rrsigset, tuple):
        rrsigname = rrsigset[0]
        rrsigrdataset = rrsigset[1]
    else:
        rrsigname = rrsigset.name
        rrsigrdataset = rrsigset

    rrname = rrname.choose_relativity(origin)
    rrsigname = rrname.choose_relativity(origin)
    if rrname != rrsigname:
        raise ValidationFailure("owner names do not match")

    for rrsig in rrsigrdataset:
        try:
            _validate_rrsig(rrset, rrsig, keys, origin, now)
            return
        except ValidationFailure:
            pass
    raise ValidationFailure("no RRSIGs validated")
Example #8
Source File: dnssec.py    From bazarr with GNU General Public License v3.0 4 votes vote down vote up 
def _validate(rrset, rrsigset, keys, origin=None, now=None):
    """Validate an RRset

    @param rrset: The RRset to validate
    @type rrset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param rrsigset: The signature RRset
    @type rrsigset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param keys: The key dictionary.
    @type keys: a dictionary keyed by dns.name.Name with node or rdataset
    values
    @param origin: The origin to use for relative names
    @type origin: dns.name.Name or None
    @param now: The time to use when validating the signatures.  The default
    is the current time.
    @type now: int
    """

    if isinstance(origin, string_types):
        origin = dns.name.from_text(origin, dns.name.root)

    if isinstance(rrset, tuple):
        rrname = rrset[0]
    else:
        rrname = rrset.name

    if isinstance(rrsigset, tuple):
        rrsigname = rrsigset[0]
        rrsigrdataset = rrsigset[1]
    else:
        rrsigname = rrsigset.name
        rrsigrdataset = rrsigset

    rrname = rrname.choose_relativity(origin)
    rrsigname = rrname.choose_relativity(origin)
    if rrname != rrsigname:
        raise ValidationFailure("owner names do not match")

    for rrsig in rrsigrdataset:
        try:
            _validate_rrsig(rrset, rrsig, keys, origin, now)
            return
        except ValidationFailure:
            pass
    raise ValidationFailure("no RRSIGs validated")
Example #9
Source File: dnssec.py    From arissploit with GNU General Public License v3.0 4 votes vote down vote up 
def _validate(rrset, rrsigset, keys, origin=None, now=None):
    """Validate an RRset

    @param rrset: The RRset to validate
    @type rrset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param rrsigset: The signature RRset
    @type rrsigset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param keys: The key dictionary.
    @type keys: a dictionary keyed by dns.name.Name with node or rdataset
    values
    @param origin: The origin to use for relative names
    @type origin: dns.name.Name or None
    @param now: The time to use when validating the signatures.  The default
    is the current time.
    @type now: int
    """

    if isinstance(origin, string_types):
        origin = dns.name.from_text(origin, dns.name.root)

    if isinstance(rrset, tuple):
        rrname = rrset[0]
    else:
        rrname = rrset.name

    if isinstance(rrsigset, tuple):
        rrsigname = rrsigset[0]
        rrsigrdataset = rrsigset[1]
    else:
        rrsigname = rrsigset.name
        rrsigrdataset = rrsigset

    rrname = rrname.choose_relativity(origin)
    rrsigname = rrname.choose_relativity(origin)
    if rrname != rrsigname:
        raise ValidationFailure("owner names do not match")

    for rrsig in rrsigrdataset:
        try:
            _validate_rrsig(rrset, rrsig, keys, origin, now)
            return
        except ValidationFailure:
            pass
    raise ValidationFailure("no RRSIGs validated")
Example #10
Source File: dnssec.py    From Tautulli with GNU General Public License v3.0 4 votes vote down vote up 
def _validate(rrset, rrsigset, keys, origin=None, now=None):
    """Validate an RRset

    @param rrset: The RRset to validate
    @type rrset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param rrsigset: The signature RRset
    @type rrsigset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset)
    tuple
    @param keys: The key dictionary.
    @type keys: a dictionary keyed by dns.name.Name with node or rdataset
    values
    @param origin: The origin to use for relative names
    @type origin: dns.name.Name or None
    @param now: The time to use when validating the signatures.  The default
    is the current time.
    @type now: int
    """

    if isinstance(origin, string_types):
        origin = dns.name.from_text(origin, dns.name.root)

    if isinstance(rrset, tuple):
        rrname = rrset[0]
    else:
        rrname = rrset.name

    if isinstance(rrsigset, tuple):
        rrsigname = rrsigset[0]
        rrsigrdataset = rrsigset[1]
    else:
        rrsigname = rrsigset.name
        rrsigrdataset = rrsigset

    rrname = rrname.choose_relativity(origin)
    rrsigname = rrname.choose_relativity(origin)
    if rrname != rrsigname:
        raise ValidationFailure("owner names do not match")

    for rrsig in rrsigrdataset:
        try:
            _validate_rrsig(rrset, rrsig, keys, origin, now)
            return
        except ValidationFailure:
            pass
    raise ValidationFailure("no RRSIGs validated")