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path: root/Tests/Module/WriteCompilerDetectionHeader/compile_tests.h

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author	Brad King <brad.king@kitware.com>	2018-03-26 11:58:12 (GMT)
committer	Kitware Robot <kwrobot@kitware.com>	2018-03-26 11:58:22 (GMT)
commit	911972903b7cfdb4a0ff356ae43352822b5bbd76 (patch)
tree	b321252b570d5aeace6f687887ca17637375033d /Tests/Module/WriteCompilerDetectionHeader/compile_tests.h
parent	89fd296ef25d359a1c7be42fe6ccfc4265821bb3 (diff)
parent	53e3080be3a622bf4e720a03da2d3b34a4101be6 (diff)
download	CMake-911972903b7cfdb4a0ff356ae43352822b5bbd76.zip CMake-911972903b7cfdb4a0ff356ae43352822b5bbd76.tar.gz CMake-911972903b7cfdb4a0ff356ae43352822b5bbd76.tar.bz2

Merge topic 'contract-plplot'

53e3080be3 Tests: Restore PLplot contract test repository https URL Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !1883

Diffstat (limited to 'Tests/Module/WriteCompilerDetectionHeader/compile_tests.h')

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#! /usr/bin/env python

'''SMTP/ESMTP client class.

This should follow RFC 821 (SMTP), RFC 1869 (ESMTP), RFC 2554 (SMTP
Authentication) and RFC 2487 (Secure SMTP over TLS).

Notes:

Please remember, when doing ESMTP, that the names of the SMTP service
extensions are NOT the same thing as the option keywords for the RCPT
and MAIL commands!

Example:

  >>> import smtplib
  >>> s=smtplib.SMTP("localhost")
  >>> print(s.help())
  This is Sendmail version 8.8.4
  Topics:
      HELO    EHLO    MAIL    RCPT    DATA
      RSET    NOOP    QUIT    HELP    VRFY
      EXPN    VERB    ETRN    DSN
  For more info use "HELP <topic>".
  To report bugs in the implementation send email to
      sendmail-bugs@sendmail.org.
  For local information send email to Postmaster at your site.
  End of HELP info
  >>> s.putcmd("vrfy","someone@here")
  >>> s.getreply()
  (250, "Somebody OverHere <somebody@here.my.org>")
  >>> s.quit()
'''

# Author: The Dragon De Monsyne <dragondm@integral.org>
# ESMTP support, test code and doc fixes added by
#     Eric S. Raymond <esr@thyrsus.com>
# Better RFC 821 compliance (MAIL and RCPT, and CRLF in data)
#     by Carey Evans <c.evans@clear.net.nz>, for picky mail servers.
# RFC 2554 (authentication) support by Gerhard Haering <gerhard@bigfoot.de>.
#
# This was modified from the Python 1.5 library HTTP lib.

import socket
import re
import email.utils
import base64
import hmac
from email.base64mime import body_encode as encode_base64
from sys import stderr

__all__ = ["SMTPException","SMTPServerDisconnected","SMTPResponseException",
           "SMTPSenderRefused","SMTPRecipientsRefused","SMTPDataError",
           "SMTPConnectError","SMTPHeloError","SMTPAuthenticationError",
           "quoteaddr","quotedata","SMTP"]

SMTP_PORT = 25
SMTP_SSL_PORT = 465
CRLF="\r\n"

OLDSTYLE_AUTH = re.compile(r"auth=(.*)", re.I)

# Exception classes used by this module.
class SMTPException(Exception):
    """Base class for all exceptions raised by this module."""

class SMTPServerDisconnected(SMTPException):
    """Not connected to any SMTP server.

    This exception is raised when the server unexpectedly disconnects,
    or when an attempt is made to use the SMTP instance before
    connecting it to a server.
    """

class SMTPResponseException(SMTPException):
    """Base class for all exceptions that include an SMTP error code.

    These exceptions are generated in some instances when the SMTP
    server returns an error code.  The error code is stored in the
    `smtp_code' attribute of the error, and the `smtp_error' attribute
    is set to the error message.
    """

    def __init__(self, code, msg):
        self.smtp_code = code
        self.smtp_error = msg
        self.args = (code, msg)

class SMTPSenderRefused(SMTPResponseException):
    """Sender address refused.

    In addition to the attributes set by on all SMTPResponseException
    exceptions, this sets `sender' to the string that the SMTP refused.
    """

    def __init__(self, code, msg, sender):
        self.smtp_code = code
        self.smtp_error = msg
        self.sender = sender
        self.args = (code, msg, sender)

class SMTPRecipientsRefused(SMTPException):
    """All recipient addresses refused.

    The errors for each recipient are accessible through the attribute
    'recipients', which is a dictionary of exactly the same sort as
    SMTP.sendmail() returns.
    """

    def __init__(self, recipients):
        self.recipients = recipients
        self.args = ( recipients,)


class SMTPDataError(SMTPResponseException):
    """The SMTP server didn't accept the data."""

class SMTPConnectError(SMTPResponseException):
    """Error during connection establishment."""

class SMTPHeloError(SMTPResponseException):
    """The server refused our HELO reply."""

class SMTPAuthenticationError(SMTPResponseException):
    """Authentication error.

    Most probably the server didn't accept the username/password
    combination provided.
    """

def quoteaddr(addr):
    """Quote a subset of the email addresses defined by RFC 821.

    Should be able to handle anything rfc822.parseaddr can handle.
    """
    m = (None, None)
    try:
        m = email.utils.parseaddr(addr)[1]
    except AttributeError:
        pass
    if m == (None, None): # Indicates parse failure or AttributeError
        # something weird here.. punt -ddm
        return "<%s>" % addr
    elif m is None:
        # the sender wants an empty return address
        return "<>"
    else:
        return "<%s>" % m

def quotedata(data):
    """Quote data for email.

    Double leading '.', and change Unix newline '\\n', or Mac '\\r' into
    Internet CRLF end-of-line.
    """
    return re.sub(r'(?m)^\.', '..',
        re.sub(r'(?:\r\n|\n|\r(?!\n))', CRLF, data))

try:
    import ssl
except ImportError:
    _have_ssl = False
else:
    class SSLFakeFile:
        """A fake file like object that really wraps a SSLObject.

        It only supports what is needed in smtplib.
        """
        def __init__(self, sslobj):
            self.sslobj = sslobj

        def readline(self):
            str = b""
            chr = None
            while chr != b"\n":
                chr = self.sslobj.read(1)
                str += chr
            return str

        def close(self):
            pass

    _have_ssl = True


class SMTP:
    """This class manages a connection to an SMTP or ESMTP server.
    SMTP Objects:
        SMTP objects have the following attributes:
            helo_resp
                This is the message given by the server in response to the
                most recent HELO command.

            ehlo_resp
                This is the message given by the server in response to the
                most recent EHLO command. This is usually multiline.

            does_esmtp
                This is a True value _after you do an EHLO command_, if the
                server supports ESMTP.

            esmtp_features
                This is a dictionary, which, if the server supports ESMTP,
                will _after you do an EHLO command_, contain the names of the
                SMTP service extensions this server supports, and their
                parameters (if any).

                Note, all extension names are mapped to lower case in the
                dictionary.

        See each method's docstrings for details.  In general, there is a
        method of the same name to perform each SMTP command.  There is also a
        method called 'sendmail' that will do an entire mail transaction.
        """
    debuglevel = 0
    file = None
    helo_resp = None
    ehlo_msg = "ehlo"
    ehlo_resp = None
    does_esmtp = 0

    def __init__(self, host='', port=0, local_hostname=None, timeout=None):
        """Initialize a new instance.

        If specified, `host' is the name of the remote host to which to
        connect.  If specified, `port' specifies the port to which to connect.
        By default, smtplib.SMTP_PORT is used.  An SMTPConnectError is raised
        if the specified `host' doesn't respond correctly.  If specified,
        `local_hostname` is used as the FQDN of the local host.  By default,
        the local hostname is found using socket.getfqdn().

        """
        self.timeout = timeout
        self.esmtp_features = {}
        self.default_port = SMTP_PORT
        if host:
            (code, msg) = self.connect(host, port)
            if code != 220:
                raise SMTPConnectError(code, msg)
        if local_hostname is not None:
            self.local_hostname = local_hostname
        else:
            # RFC 2821 says we should use the fqdn in the EHLO/HELO verb, and
            # if that can't be calculated, that we should use a domain literal
            # instead (essentially an encoded IP address like [A.B.C.D]).
            fqdn = socket.getfqdn()
            if '.' in fqdn:
                self.local_hostname = fqdn
            else:
                # We can't find an fqdn hostname, so use a domain literal
                addr = '127.0.0.1'
                try:
                    addr = socket.gethostbyname(socket.gethostname())
                except socket.gaierror:
                    pass
                self.local_hostname = '[%s]' % addr

    def set_debuglevel(self, debuglevel):
        """Set the debug output level.

        A non-false value results in debug messages for connection and for all
        messages sent to and received from the server.

        """
        self.debuglevel = debuglevel

    def _get_socket(self, port, host, timeout):
        # This makes it simpler for SMTP_SSL to use the SMTP connect code
        # and just alter the socket connection bit.
        if self.debuglevel > 0: print('connect:', (host, port), file=stderr)
        return socket.create_connection((port, host), timeout)

    def connect(self, host='localhost', port = 0):
        """Connect to a host on a given port.

        If the hostname ends with a colon (`:') followed by a number, and
        there is no port specified, that suffix will be stripped off and the
        number interpreted as the port number to use.

        Note: This method is automatically invoked by __init__, if a host is
        specified during instantiation.

        """
        if not port and (host.find(':') == host.rfind(':')):
            i = host.rfind(':')
            if i >= 0:
                host, port = host[:i], host[i+1:]
                try: port = int(port)
                except ValueError:
                    raise socket.error("nonnumeric port")
        if not port: port = self.default_port
        if self.debuglevel > 0: print('connect:', (host, port), file=stderr)
        self.sock = self._get_socket(host, port, self.timeout)
        (code, msg) = self.getreply()
        if self.debuglevel > 0: print("connect:", msg, file=stderr)
        return (code, msg)

    def send(self, str):
        """Send `str' to the server."""
        if self.debuglevel > 0: print('send:', repr(str), file=stderr)
        if self.sock:
            try:
                self.sock.sendall(str)
            except socket.error:
                self.close()
                raise SMTPServerDisconnected('Server not connected')
        else:
            raise SMTPServerDisconnected('please run connect() first')

    def putcmd(self, cmd, args=""):
        """Send a command to the server."""
        if args == "":
            str = '%s%s' % (cmd, CRLF)
        else:
            str = '%s %s%s' % (cmd, args, CRLF)
        self.send(str)

    def getreply(self):
        """Get a reply from the server.

        Returns a tuple consisting of:

          - server response code (e.g. '250', or such, if all goes well)
            Note: returns -1 if it can't read response code.

          - server response string corresponding to response code (multiline
            responses are converted to a single, multiline string).

        Raises SMTPServerDisconnected if end-of-file is reached.
        """
        resp=[]
        if self.file is None:
            self.file = self.sock.makefile('rb')
        while 1:
            line = self.file.readline()
            if not line:
                self.close()
                raise SMTPServerDisconnected("Connection unexpectedly closed")
            if self.debuglevel > 0: print('reply:', repr(line), file=stderr)
            resp.append(line[4:].strip(b' \t\r\n'))
            code=line[:3]
            # Check that the error code is syntactically correct.
            # Don't attempt to read a continuation line if it is broken.
            try:
                errcode = int(code)
            except ValueError:
                errcode = -1
                break
            # Check if multiline response.
            if line[3:4] != b"-":
                break

        errmsg = b"\n".join(resp)
        if self.debuglevel > 0:
            print('reply: retcode (%s); Msg: %s' % (errcode,errmsg), file=stderr)
        return errcode, errmsg

    def docmd(self, cmd, args=""):
        """Send a command, and return its response code."""
        self.putcmd(cmd,args)
        return self.getreply()

    # std smtp commands
    def helo(self, name=''):
        """SMTP 'helo' command.
        Hostname to send for this command defaults to the FQDN of the local
        host.
        """
        self.putcmd("helo", name or self.local_hostname)
        (code,msg)=self.getreply()
        self.helo_resp=msg
        return (code,msg)

    def ehlo(self, name=''):
        """ SMTP 'ehlo' command.
        Hostname to send for this command defaults to the FQDN of the local
        host.
        """
        self.esmtp_features = {}
        self.putcmd(self.ehlo_msg, name or self.local_hostname)
        (code,msg)=self.getreply()
        # According to RFC1869 some (badly written)
        # MTA's will disconnect on an ehlo. Toss an exception if
        # that happens -ddm
        if code == -1 and len(msg) == 0:
            self.close()
            raise SMTPServerDisconnected("Server not connected")
        self.ehlo_resp=msg
        if code != 250:
            return (code,msg)
        self.does_esmtp=1
        #parse the ehlo response -ddm
        assert isinstance(self.ehlo_resp, bytes), repr(self.ehlo_resp)
        resp=self.ehlo_resp.decode("latin-1").split('\n')
        del resp[0]
        for each in resp:
            # To be able to communicate with as many SMTP servers as possible,
            # we have to take the old-style auth advertisement into account,
            # because:
            # 1) Else our SMTP feature parser gets confused.
            # 2) There are some servers that only advertise the auth methods we
            #    support using the old style.
            auth_match = OLDSTYLE_AUTH.match(each)
            if auth_match:
                # This doesn't remove duplicates, but that's no problem
                self.esmtp_features["auth"] = self.esmtp_features.get("auth", "") \
                        + " " + auth_match.groups(0)[0]
                continue

            # RFC 1869 requires a space between ehlo keyword and parameters.
            # It's actually stricter, in that only spaces are allowed between
            # parameters, but were not going to check for that here.  Note
            # that the space isn't present if there are no parameters.
            m=re.match(r'(?P<feature>[A-Za-z0-9][A-Za-z0-9\-]*) ?',each)
            if m:
                feature=m.group("feature").lower()
                params=m.string[m.end("feature"):].strip()
                if feature == "auth":
                    self.esmtp_features[feature] = self.esmtp_features.get(feature, "") \
                            + " " + params
                else:
                    self.esmtp_features[feature]=params
        return (code,msg)

    def has_extn(self, opt):
        """Does the server support a given SMTP service extension?"""
        return opt.lower() in self.esmtp_features

    def help(self, args=''):
        """SMTP 'help' command.
        Returns help text from server."""
        self.putcmd("help", args)
        return self.getreply()[1]

    def rset(self):
        """SMTP 'rset' command -- resets session."""
        return self.docmd("rset")

    def noop(self):
        """SMTP 'noop' command -- doesn't do anything :>"""


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