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3 Yd�i�* � @ sB d dl Z d dlZd dlmZ d dlmZ ej� ZG dd� d�ZdS )� N)�SubparsersAction)�Optionc @ s� e Zd ZdZdZg Zedded�edde�gZedd e �ed d e�ed d e�edde�gZ dd� Z dd� Z dd� Z dd� Zdd� Zdd� Zdd � Zd d � Zd d � Zd!d"� ZdS )#�RequestAnalyzerz� A request analyzer module, handles request tracking logic and analysis. Parses input generated from a source Reader. Nz --verbosezVerbose outputz-vz--pamzFilter only PAM requests�cidzTrack request with this IDz--childzInclude child process logsz--mergez'Merge logs together sorted by timestampzTrack only PAM requestsc C s | j j� dS )z| Print the module parser help output Args: args (Namespace): argparse parsed arguments N)� module_parserZ print_help)�self�args� r � /usr/lib/python3.6/request.py�print_module_help s z!RequestAnalyzer.print_module_helpc C sv d}|j d|dd�| _| jjddtdd�}|jd �}|j|d d | j| j� |j|d d | j| j � | jj | j d� | jS )z� Setup module parser, subcommands, and options Args: parser_grp (argparse.Action): Parser group to nest module and subcommands under z Analyze request tracking moduleZrequestzRequest tracking)� description�helpN� subparserZCOMMANDS)�title�dest�action�metavarzOperation Modes�listzList recent requestsZshowzTrack individual request ID)�func) Z add_parserr Zadd_subparsersr Zadd_parser_groupZadd_subcommand� list_requests� list_opts� track_request� show_optsZ set_defaultsr )r Z parser_grpZcliZdescr Z subcmd_grpr r r � setup_args& s zRequestAnalyzer.setup_argsc C s8 |j dkr ddlm} |� }nddlm} ||j�}|S )z� Load the appropriate source reader. Args: args (Namespace): argparse parsed arguments Returns: Instantiated source object Zjournaldr )�Journald)�Files)�sourceZsssd.source_journaldr Zsssd.source_filesr Zlogdir)r r r r r r r r �loadB s zRequestAnalyzer.loadc c sF x@|D ]8}x2|D ]*}t j|�}|j|�r|jd�r4q|V qW qW dS )z� Yield lines which match any number of patterns (OR) in provided patterns list. Args: source (Reader): source Reader object Yields: lines matching the provided pattern(s) z * N)�re�compile�search� startswith)r r �patterns�line�patternZre_objr r r � matched_lineT s z RequestAnalyzer.matched_linec C sJ g }x@| j ||�D ]0}tj|�}|j|�}|r|jd�}|j|� qW |S )a� Retrieve list of associated REQ_TRACE ids. Filter only source lines by pattern, then parse out the linked id with the provided regex. Args: source (Reader): source Reader object pattern (list of str): regex pattern(s) used for finding linked ids regex (str): regular expression used to extract linked id Returns: List of linked ids discovered r )r% r r r �group�append)r r r$ ZregexZ linked_ids�matchZid_re�foundr r r �get_linked_idsf s z RequestAnalyzer.get_linked_idsc C sH d}|r | j j|j|d �� n$t|�jdkr<t|dd� nt|� |S )a� Print or consume a line, if merge cli option is provided then consume boolean is set to True Args: line (str): line to process source (Reader): source Reader object consume (bool): If True, line is added to consume_logs list, otherwise print line Returns: True if line was processed, otherwise False T� r � )�end���)� consumed_logsr' �rstrip�type�__name__�print)r r# r ZconsumeZ found_resultsr r r � consume_line~ s z RequestAnalyzer.consume_linec C s$ i }x||D ]t}d|krq |j d�}|d dd� }tjd|d �}|jd�}||f|j� krr|||f |7 < q ||||f< q W �x�|j� D �]�\}} g } g } �xx| j� D �]j} d} d}d}| j d�}|d d d� }|j d �d d d� }tjd | ��r| j| � tjd | ��r\| j d�d } | j� | j d�}|d d d� }|j d �d d d� }n8tjd| ��rz| j d�d }ntjd| ��r�| j � d }| �r�t d| � |�r�|| k�r�t d|dd� � | j |� |r�d| k�s�d| kr�|| kr�t tjd|��r�t d| � | j |� q�W q�W dS )z� Parse log file and print formatted verbose list_requests output Args: source (Reader): source Reader object zCID#�[r N� z CID#[0-9]*� r, � �:� z\[cmdZcache_req_send�'r+ Zcache_req_process_inputZcache_req_search_sendz - z - ZUIDZGIDz\dr. r. r. ) �splitr r r& �keys�items� splitlines�print_formatted�clear�rsplitr3 r' �bool)r r �datar# �fields�ts�resultr �k�vZcr_doneZid_doneZcidlineZplugin�name�idZcr_fieldZcrr r r �print_formatted_verbose� sV z'RequestAnalyzer.print_formatted_verbosec C s� |j d�rdS d|krdS |jd�d }|dd� }|jd�}|d d d� }|d d d� }|d d d� }|j� s�|d d d� }t|� d |� d|� d|� �� |S )z� Parse line and print formatted list_requests output Args: line (str): line to parse Returns: Client ID from printed line, 0 otherwise z * r Z refreshed�)r+ Nr5 r7 r: � � � z: [uid z] CID #z: i����r. r. r. )r! r< � isnumericr3 )r r# rF rE r �cmdZuidr r r r@ � s z RequestAnalyzer.print_formattedc C s� | j |�}|jj}d}dg}|jr.|jj}d}tjd|� d�� |j|d� |jr^| j |� n8x6| j ||�D ]&}t |�j dkr�t |� ql| j|� qlW dS ) z� List component (default: NSS) responder requests Args: args (Namespace): populated argparse namespace �nssz\[cmd�pamz******** Listing z client requests ********Fr N)r � Component�NSSrT �PAM�logger�info� set_component�verboserL r% r1 r2 r3 r@ )r r r � component�respr" r# r r r r � s z RequestAnalyzer.list_requestsc st | j |�}|j}d}d}|jj}d}d|� d�g� |jrD|jj}d}tjd|� d|� d�� |j||j � x$| j |� �D ]}| j |||j �}qxW tjd |� d �� d |� d |� d�g� |j|jj |j � d } | j|� | �} � j� � fdd�| D � x&| j |� �D ]}| j |||j �}�qW |j �rNt| jdd� d�} x| D ]} t| � �q<W | �rp| �rptjd|� d�� dS )z� Print Logs pertaining to individual SSSD client request Args: args (Namespace): populated argparse namespace FrS z\[CID#z\]rT z******** Checking z responder for Client ID z *******z)********* Checking Backend for Client ID z ********zREQ_TRACE.*\[sssd.z CID #z\[RID#[0-9]+\]c s g | ]}� j d |� ���qS )�\)r' )�.0rK )r$ r r � <listcomp>4 s z1RequestAnalyzer.track_request.<locals>.<listcomp>c S s | j d�d S )NrM r )r< )�sr r r �<lambda>< s z/RequestAnalyzer.track_request.<locals>.<lambda>)�keyzID z not found in logs!N)r r rU rV rT rW rX rY rZ Zchildr% r4 �mergeZBEr* rA �sortedr/ r3 �warn) r r r r Z resp_resultsZ be_resultsr\ r] r( Z be_id_regexZbe_idsZ sorted_list�entryr )r$ r r s< z RequestAnalyzer.track_request)r2 � __module__� __qualname__�__doc__r r/ r rC r �intr r r r r% r* r4 rL r@ r r r r r r r s& F r )r ZloggingZ sssd.parserr r Z getLoggerrX r r r r r �<module> s
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