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This module provides some more Pythonic support for SSL.
Object types:
SSLSocket -- subtype of socket.socket which does SSL over the socket
Exceptions:
SSLError -- exception raised for I/O errors
Functions:
cert_time_to_seconds -- convert time string used for certificate
notBefore and notAfter functions to integer
seconds past the Epoch (the time values
returned from time.time())
get_server_certificate (addr, ssl_version, ca_certs, timeout) -- Retrieve the
certificate from the server at the specified
address and return it as a PEM-encoded string
Integer constants:
SSL_ERROR_ZERO_RETURN
SSL_ERROR_WANT_READ
SSL_ERROR_WANT_WRITE
SSL_ERROR_WANT_X509_LOOKUP
SSL_ERROR_SYSCALL
SSL_ERROR_SSL
SSL_ERROR_WANT_CONNECT
SSL_ERROR_EOF
SSL_ERROR_INVALID_ERROR_CODE
The following group define certificate requirements that one side is
allowing/requiring from the other side:
CERT_NONE - no certificates from the other side are required (or will
be looked at if provided)
CERT_OPTIONAL - certificates are not required, but if provided will be
validated, and if validation fails, the connection will
also fail
CERT_REQUIRED - certificates are required, and will be validated, and
if validation fails, the connection will also fail
The following constants identify various SSL protocol variants:
PROTOCOL_SSLv2
PROTOCOL_SSLv3
PROTOCOL_SSLv23
PROTOCOL_TLS
PROTOCOL_TLS_CLIENT
PROTOCOL_TLS_SERVER
PROTOCOL_TLSv1
PROTOCOL_TLSv1_1
PROTOCOL_TLSv1_2
The following constants identify various SSL alert message descriptions as per
http://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-6
ALERT_DESCRIPTION_CLOSE_NOTIFY
ALERT_DESCRIPTION_UNEXPECTED_MESSAGE
ALERT_DESCRIPTION_BAD_RECORD_MAC
ALERT_DESCRIPTION_RECORD_OVERFLOW
ALERT_DESCRIPTION_DECOMPRESSION_FAILURE
ALERT_DESCRIPTION_HANDSHAKE_FAILURE
ALERT_DESCRIPTION_BAD_CERTIFICATE
ALERT_DESCRIPTION_UNSUPPORTED_CERTIFICATE
ALERT_DESCRIPTION_CERTIFICATE_REVOKED
ALERT_DESCRIPTION_CERTIFICATE_EXPIRED
ALERT_DESCRIPTION_CERTIFICATE_UNKNOWN
ALERT_DESCRIPTION_ILLEGAL_PARAMETER
ALERT_DESCRIPTION_UNKNOWN_CA
ALERT_DESCRIPTION_ACCESS_DENIED
ALERT_DESCRIPTION_DECODE_ERROR
ALERT_DESCRIPTION_DECRYPT_ERROR
ALERT_DESCRIPTION_PROTOCOL_VERSION
ALERT_DESCRIPTION_INSUFFICIENT_SECURITY
ALERT_DESCRIPTION_INTERNAL_ERROR
ALERT_DESCRIPTION_USER_CANCELLED
ALERT_DESCRIPTION_NO_RENEGOTIATION
ALERT_DESCRIPTION_UNSUPPORTED_EXTENSION
ALERT_DESCRIPTION_CERTIFICATE_UNOBTAINABLE
ALERT_DESCRIPTION_UNRECOGNIZED_NAME
ALERT_DESCRIPTION_BAD_CERTIFICATE_STATUS_RESPONSE
ALERT_DESCRIPTION_BAD_CERTIFICATE_HASH_VALUE
ALERT_DESCRIPTION_UNKNOWN_PSK_IDENTITY
� N)�
namedtuple)�Enum�IntEnum�IntFlag)�OPENSSL_VERSION_NUMBER�OPENSSL_VERSION_INFO�OPENSSL_VERSION)� _SSLContext� MemoryBIO�
SSLSession)�SSLError�SSLZeroReturnError�SSLWantReadError�SSLWantWriteError�SSLSyscallError� SSLEOFError�SSLCertVerificationError)�txt2obj�nid2obj)� RAND_status�RAND_add�
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_SSLMethodc C s | � d�o| dkS )NZ PROTOCOL_�PROTOCOL_SSLv23��
startswith��name� r, �(/opt/alt/python39/lib64/python3.9/ssl.py�} � r. )�source�Optionsc C s
| � d�S )NZOP_r( r* r, r, r- r. � r/ ZAlertDescriptionc C s
| � d�S )NZALERT_DESCRIPTION_r( r* r, r, r- r. � r/ ZSSLErrorNumberc C s
| � d�S )NZ
SSL_ERROR_r( r* r, r, r- r. � r/ � VerifyFlagsc C s
| � d�S )NZVERIFY_r( r* r, r, r- r. � r/ �
VerifyModec C s
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� r/ r6 ZPROTOCOL_SSLv2c @ s6 e Zd ZejZejZejZ ej
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_TLSAlertTypezQAlert types for TLSContentType.ALERT messages
See RFC 8466, section B.2
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r> r? r@ � �( �) �* �+ �, �- �. �/ �0 �1 �2 �3 �< �F �G �P �V �Z �d �m �n �o �p �q �r �s �t �x N)&r8 r9 r: rD Z CLOSE_NOTIFYZUNEXPECTED_MESSAGEZBAD_RECORD_MACZDECRYPTION_FAILEDZRECORD_OVERFLOWZDECOMPRESSION_FAILUREZHANDSHAKE_FAILUREZNO_CERTIFICATEZBAD_CERTIFICATEZUNSUPPORTED_CERTIFICATEZCERTIFICATE_REVOKEDZCERTIFICATE_EXPIREDZCERTIFICATE_UNKNOWNZILLEGAL_PARAMETERZ
UNKNOWN_CAZ
ACCESS_DENIEDZ DECODE_ERRORZ
DECRYPT_ERRORZEXPORT_RESTRICTIONZPROTOCOL_VERSIONZINSUFFICIENT_SECURITYZINTERNAL_ERRORZINAPPROPRIATE_FALLBACKZ
USER_CANCELEDZNO_RENEGOTIATIONZMISSING_EXTENSIONZUNSUPPORTED_EXTENSIONZCERTIFICATE_UNOBTAINABLEZUNRECOGNIZED_NAMEZ BAD_CERTIFICATE_STATUS_RESPONSEZBAD_CERTIFICATE_HASH_VALUEZUNKNOWN_PSK_IDENTITYZCERTIFICATE_REQUIREDZNO_APPLICATION_PROTOCOLr, r, r, r- rH � sF rH c @ sh e Zd ZdZdZdZdZdZdZdZ dZ
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NEXT_PROTOZ MESSAGE_HASHrE r, r, r, r- rg � s. rg �win32)�enum_certificates� enum_crls)�socket� SOCK_STREAM�create_connection)�
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r� �certfile�keyfiler� r� r� c C s� t |t�st|��t| �} |s$d| _|dur2|| _|r� Z"ed?d@� �Z#� fdAdB�Z$edCdD� �Z%edEdF� �Z&� fdGdH�Z'edddIdJ��Z(� fdKdL�Z)dMdN� Z*dOdP� Z+� fdQdR�Z,ededTdU��Z-edVdW� �Z.� Z/S )f� SSLSocketz�This class implements a subtype of socket.socket that wraps
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zSSLSocket._createc C s | j S r� )rF r� r, r, r- r� 8 s zSSLSocket.contextc C s || _ || j_d S r� )rF r r� r r, r, r- r� = s c C s | j d ur| j jS d S r� r r� r, r, r- r� B s
zSSLSocket.sessionc C s || _ | jd ur|| j_d S r� )rG r r� r r, r, r- r� H s
c C s | j d ur| j jS d S r� r! r� r, r, r- r" N s
zSSLSocket.session_reusedc C s t d| jj ��d S )NzCan't dup() %s instances)rB r� r8 r� r, r, r- �dupT s �z
SSLSocket.dupc C s d S r� r, )r� �msgr, r, r- � _checkClosedX s zSSLSocket._checkClosedc C s | j s| �� d S r� )rN rH r� r, r, r- �_check_connected\ s zSSLSocket._check_connectedr# c
C s� | � � | jdu rtd��z*|dur4| j�||�W S | j�|�W S W n` ty� } zH|jd tkr�| jr�|dur~W Y d}~dS W Y d}~dS n� W Y d}~n
d}~0 0 dS )zORead up to LEN bytes and return them.
Return zero-length string on EOF.Nz'Read on closed or unwrapped SSL socket.r r/ )rT r r� r$ r r� Z
SSL_ERROR_EOFr� )r� r� r% �xr, r, r- r$ d s
zSSLSocket.readc C s& | � � | jdu rtd��| j�|�S )zhWrite DATA to the underlying SSL channel. Returns
number of bytes of DATA actually transmitted.Nz(Write on closed or unwrapped SSL socket.)rT r r� r' r( r, r, r- r' y s
zSSLSocket.writec C s | � � | �� | j�|�S r� )rT rU r r) r* r, r, r- r) � s zSSLSocket.getpeercertc C s* | � � | jd u stjs d S | j�� S d S r� )rT r r; r r+ r� r, r, r- r+ � s z SSLSocket.selected_npn_protocolc C s* | � � | jd u stjs d S | j�� S d S r� )rT r r; r r, r� r, r, r- r, � s z SSLSocket.selected_alpn_protocolc C s$ | � � | jd u rd S | j�� S d S r� )rT r r- r� r, r, r- r- � s
zSSLSocket.cipherc C s$ | � � | jd u rd S | j�� S d S r� )rT r r. r� r, r, r- r. � s
zSSLSocket.shared_ciphersc C s$ | � � | jd u rd S | j�� S d S r� )rT r r/ r� r, r, r- r/ � s
zSSLSocket.compressionr c sF | � � | jd ur4|dkr(td| j ��| j�|�S t� �||�S d S )Nr z3non-zero flags not allowed in calls to send() on %s)rT r r� r� r' r� �send)r� r� r r� r, r- rW � s
�� zSSLSocket.sendc sL | � � | jd ur"td| j ��n&|d u r8t� �||�S t� �|||�S d S )Nz%sendto not allowed on instances of %s)rT r r� r� r� �sendto)r� r� Z
flags_or_addrr� r� r, r- rX � s
�zSSLSocket.sendtoc O s t d| j ��d S )Nz&sendmsg not allowed on instances of %s�rB r� r r, r, r- �sendmsg� s �zSSLSocket.sendmsgc s� | � � | jd ur�|dkr(td| j ��d}t|��f}|�d��<}t|�}||k rn| �||d � �}||7 }qJW d � n1 s�0 Y W d � q�1 s�0 Y nt� � ||�S d S )Nr z6non-zero flags not allowed in calls to sendall() on %s�B)
rT r r� r� �
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��HzSSLSocket.sendallc s, | j dur| �|||�S t� �|||�S dS )z�Send a file, possibly by using os.sendfile() if this is a
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N)r Z_sendfile_use_sendr� �sendfile)r� �file�offsetr� r� r, r- r_ � s
zSSLSocket.sendfilec sD | � � | jd ur2|dkr(td| j ��| �|�S t� �||�S d S )Nr z3non-zero flags not allowed in calls to recv() on %s)rT r r� r� r$ r� rJ �r� Zbuflenr r� r, r- rJ � s
��
zSSLSocket.recvc sj | � � |r |d u r t|�}n |d u r*d}| jd urV|dkrJtd| j ��| �||�S t� �|||�S d S )Nr# r z8non-zero flags not allowed in calls to recv_into() on %s)rT r� r r� r� r$ r� � recv_into�r� r% �nbytesr r� r, r- rc � s
�� zSSLSocket.recv_intoc s4 | � � | jd ur"td| j ��nt� �||�S d S )Nz'recvfrom not allowed on instances of %s)rT r r� r� r� �recvfromrb r� r, r- rf � s
�zSSLSocket.recvfromc s6 | � � | jd ur"td| j ��nt� �|||�S d S )Nz,recvfrom_into not allowed on instances of %s)rT r r� r� r� �
recvfrom_intord r� r, r- rg s
�zSSLSocket.recvfrom_intoc O s t d| j ��d S )Nz&recvmsg not allowed on instances of %srY r r, r, r- �recvmsg s �zSSLSocket.recvmsgc O s t d| j ��d S )Nz+recvmsg_into not allowed on instances of %srY r r, r, r- � recvmsg_into s �zSSLSocket.recvmsg_intoc C s$ | � � | jd ur | j�� S dS d S )Nr )rT r r0 r� r, r, r- r0 s
zSSLSocket.pendingc s | � � d | _t� �|� d S r� )rT r r� r2 )r� Zhowr� r, r- r2 s zSSLSocket.shutdownc C s. | j r| j �� }d | _ |S tdt| � ��d S �NzNo SSL wrapper around )r r2 r� r� )r� �sr, r, r- r3 $ s
zSSLSocket.unwrapc C s$ | j r| j �� S tdt| � ��d S rj )r r7 r� r� r� r, r, r- r7 - s
z&SSLSocket.verify_client_post_handshakec s d | _ t� �� d S r� )r r� � _real_closer� r� r, r- rl 4 s zSSLSocket._real_closec C sP | � � | �� }z.|dkr(|r(| �d � | j�� W | �|� n | �|� 0 d S )NrA )rU rD rM r r1 )r� �blockrQ r, r, r- r1 8 s
zSSLSocket.do_handshakec s� | j rtd��| js | jd ur&td��| jj| d| j| | jd�| _z@|rVt� � |�}nd }t� �
|� |s~d| _| j r~| � � |W S t
tfy� d | _� Y n0 d S )Nz!can't connect in server-side modez/attempt to connect already-connected SSLSocket!Fr@ T)r� r� rN r r� rO r� rG r� �
connect_ex�connectr� r1 r� )r� r� rn Zrcr� r, r- �
_real_connectC s* � zSSLSocket._real_connectc C s | � |d� dS )�QConnects to remote ADDR, and then wraps the connection in
an SSL channel.FN�rp �r� r� r, r, r- ro ] s zSSLSocket.connectc C s | � |d�S )rq Trr rs r, r, r- rn b s zSSLSocket.connect_exc s. t � �� \}}| jj|| j| jdd�}||fS )z�Accepts a new connection from a remote client, and returns
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SSL channel, and the address of the remote client.T)r� r� r� )r� �acceptr� r� r� r� )r� Znewsockr� r� r, r- rt g s �zSSLSocket.acceptr� c C s4 | j d ur| j �|�S |tvr,td�|���d S d S )Nz({0} channel binding type not implemented)r r4 �CHANNEL_BINDING_TYPESr� r� r5 r, r, r- r4 s s
�z SSLSocket.get_channel_bindingc C s | j d ur| j �� S d S d S r� r6 r� r, r, r- r� ~ s
zSSLSocket.version)FTTNNN)N)r# N)F)r )N)r )r N)r# r )Nr )r# r )Nr )F)r� )0r8 r9 r: rD r r� r� r r: r� r r� r" rR rT rU r$ r' r) r+ r, r- r. r/ rW rX rZ r^ r_ rJ rc rf rg rh ri r0 r2 r3 r7 rl r1 rp ro rn rt r4 r� r� r, r, r� r- r; � s� �_
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�r� c C s� ddl m} ddlm} d}d}z |�| dd� �� �d }W n" ty` td | |f ��Y n00 || dd� |�}||d |f|d
d � �S dS ) a� Return the time in seconds since the Epoch, given the timestring
representing the "notBefore" or "notAfter" date from a certificate
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Month is one of: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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