shell bypass 403
a
'�Dg�! � @ s� d dl Z d dlZd dlmZ d dlmZmZmZ d dlm Z d dl
m Z d dl m
Z
d dlmZ e �e�ZG dd � d e
j�ZdS )
� N)�Optional)�net�subp�util)� bsd_utils)�
ResolvConf)�renderer)� NetworkStatec @ s� e Zd ZdZdZdZdZdZdd� Zdd� Z d d d
�Z
d d � Z d
d� Z dd� Z
d eee dd�dd�Zdd� Zd!dd�Zd"dd�Zdd � Zd d � ZdS )#� BSDRendererzetc/resolv.confz etc/rc.conf� c C s" t �| j| j�}tj||d� d S �N)�fn)r � target_path�target�
rc_conf_fnr �get_rc_config_value)�self�keyr
� r �5/usr/lib/python3.9/site-packages/cloudinit/net/bsd.pyr s z BSDRenderer.get_rc_config_valuec C s$ t �| j| j�}tj|||d� d S r )r r r r r �set_rc_config_value)r r �valuer
r r r r s z BSDRenderer.set_rc_config_valueNc C s, |si }d | _ i | _i | _|�dd�| _d S )NZpostcmdsT)r �interface_configurations� interface_configurations_ipv6�get� _postcmds)r Zconfigr r r �__init__ s zBSDRenderer.__init__c
C s� t �� }|�� D �]�}|�d�}|�d�}|r<t�d|�r<q||vrRt�d|� nb|r�|r�|| }||kr�t�d||� z| �||� W q� t y� t�
d� |}Y q�0 n|| }t�d|� |�dg �D �](}|�d �d
k�rP|�d ��st� d |�d
�� q�t� d||�d
�|�d �� |�d
�|�d �|�d��pB|�d�d�| j |< q�|�d �dk�r�|�d��s�t� d|�d
�� q�t� d||�d
�|�d�� |�d
�|�d�|�d��p�|�d�d�| j
|< q�|�d �dk�s�|�d �dkr�d| j |< q�qd S )N�nameZ mac_addressz^lo\d+$z"Cannot find any device with MAC %sz,netif service will rename interface %s to %sz.Interface renaming is not supported on this OSzConfiguring interface %s�subnets�type�static�netmaskz+Skipping IP %s, because there is no netmask�addressz Configuring dev %s with %s / %s�mtu)r" r! r# �static6�prefixz*Skipping IP %s, because there is no prefix)r" r% r# ZdhcpZdhcp4�DHCP)r Zget_interfaces_by_mac�iter_interfacesr �re�match�LOG�info�rename_interface�NotImplementedError�error�debugr r )r �settingsZ
ifname_by_mac� interface� device_nameZ
device_mac�cur_name�subnetr r r �_ifconfig_entries' s�
� � ��� ��� � �z BSDRenderer._ifconfig_entriesc
C s$ t |�� �}|�� D ]�}|�dg �}|D ]�}|�d�dkrn|�d�}|r�t|�d��dkr�|�dd|d�� nD|�d�d kr(|�d�}|r�t|�d
��d kr�|�d d
|d�� nq(||�dg �7 }q(q|D ]T}|�d�}|s�t�d� q�|�d�r�|�d�n|�d�} |�d�}| � || |� q�d S )Nr r r �gateway�.� z0.0.0.0)�networkr! r6 r$ �:� z::�0)r9 r% r6 �routesr9 zSkipping a bad route entryr! r% )
�listZ iter_routesr' r �len�split�appendr* r/ � set_route)
r r0 r= r1 r r4 r6 Zrouter9 r! r r r �_route_entriess sF
��
��
� �
zBSDRenderer._route_entriesc C s^ |j }|j}|�� D ]B}|�dg �D ]0}d|v r>|�|d � d|v r$|�|d � q$qz&tt�t� | j
| j ���}|� � W n< t
y� t�tdt� | j
| j �� td�}|� � Y n0 t|�D ]4}z|�|� W q� ty� t�td|� Y q�0 q�t|�D ]8}z|�|� W n" t�y6 t�td|� Y n0 �qt�t� | j
| j �t|�d� d S ) Nr �dns_nameserversZ
dns_searchz&Failed to parse %s, use new empty filer zFailed to add nameserver %sz Failed to add search domain %si� )rD Zdns_searchdomainsr' r �extendr r Zload_text_filer r r �resolv_conf_fn�parse�IOErrorZlogexcr* �setZadd_nameserver�
ValueErrorZadd_search_domainZ
write_file�str) r r0 Z nameserversZ
searchdomainsr1 r4 Z
resolvconfZserver�domainr r r �
_resolve_conf� sL �� � �zBSDRenderer._resolve_conf)�
network_state� templates�returnc C sH |r
|| _ | j|d� | j|d� | j|d� | �� | j| jd� d S )N)r0 )�run)r r5 rC rM � write_config�start_servicesr )r rN rO r r r r �render_network_state� s z BSDRenderer.render_network_statec C s | j j}dd� |� D �S )Nc S s g | ]\}}|d kr|�qS )r& r )�.0�k�vr r r �
<listcomp>� � z/BSDRenderer.dhcp_interfaces.<locals>.<listcomp>)r �items)r Zicr r r �dhcp_interfaces� s zBSDRenderer.dhcp_interfacesFc C s
t � �d S �N�r- )r rQ r r r rS � s zBSDRenderer.start_servicesc C s
t � �d S r\ r] )r r r r r rR � s zBSDRenderer.write_configc C s
t � �d S r\ r] )r r3 r2 r r r r, � s z BSDRenderer.rename_interfacec C s
t � �d S r\ r] )r r9 r! r6 r r r rB � s zBSDRenderer.set_route)N)NN)F)N)�__name__�
__module__� __qualname__rF r Zinterface_routesZ route_namesZ route6_namesr r r r5 rC rM r r �dictrT r[ rS rR r, rB r r r r r
s.
L*1 ��
r
)Zloggingr( �typingr Z cloudinitr r r Zcloudinit.distrosr Z%cloudinit.distros.parsers.resolv_confr Z
cloudinit.netr Zcloudinit.net.network_stater Z getLoggerr^ r* ZRendererr
r r r r �<module> s