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�S Q R X d S ) NZcleanerZfully_trusted_filterc S s | S )N� )�member�pathr r � /usr/lib/python3.6/__init__.py�<lambda>! s z!extract_archive.<locals>.<lambda>z"Attempted path traversal in tarflez != �/� z.tarr ���)�tarfile�open�osr �join�getattrZextraction_filterZ
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directory which is used by SoSCleaner.
Each archive that needs to be obfuscated is loaded into an instance of this
class. All report-level operations should be contained within this class.
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check_is_typeQ s z#SoSObfuscationArchive.check_is_typec C s d| j jj� kS )Nr )� __class__�__name__�lower)r, r r r �is_sosV s z SoSObfuscationArchive.is_sosc C s
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r �tarobj)r, r r r r( ^ s z SoSObfuscationArchive._load_selfc C s g S )a/ Return a list of ObfuscationArchives that represent additional
archives found within the target archive. For example, an archive from
`sos collect` will return a list of ``SoSReportArchive`` objects.
This should be overridden by individual types of ObfuscationArchive's
r )r, r r r �get_nested_archivesc s z)SoSObfuscationArchive.get_nested_archivesc C s> | j r0| jj}|j� r |jS tjj|j�p.tjS tjj | j
�S )z|Set the root path for the archive that should be prepended to any
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) r7 r8 Z firstmember�isdirr r r �dirname�sepr r )r, Ztoplevelr r r �get_archive_rootl s z&SoSObfuscationArchive.get_archive_rootc C s" | j j| jd d�d|� �� dS )z9Helper to easily format ui messages on a per-report basisz :z<50� N)r$ �infor! )r, �msgr r r �
report_msgw s z SoSObfuscationArchive.report_msgc C s d| j � d|� �S )Nz [cleaner:z] )r )r, r@ r r r � _fmt_log_msg{ s z"SoSObfuscationArchive._fmt_log_msgc C s | j j| j|�� d S )N)r# �debugrB )r, r@ r r r � log_debug~ s z SoSObfuscationArchive.log_debugc C s | j j| j|�� d S )N)r# r? rB )r, r@ r r r r* � s z SoSObfuscationArchive.log_infoc C s ddddddgS )zyProvide a list of files and file regexes to skip obfuscation on
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z
proc/kallsymsz
sosreport-z sys/firmwarezsys/fszsys/kernel/debugz
sys/moduler )r, r r r r% � s z%SoSObfuscationArchive._load_skip_listc C s& y t j| j�S tk
r dS X d S )NF)r r7 r r )r, r r r r7 � s z SoSObfuscationArchive.is_tarfilec C s< | j |�}|r8| jd|� d�� tj|� | jd7 _dS )z�Remove a file from the archive. This is used when cleaner encounters
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zRemoving binary file 'z' from archiver
N)�
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z!SoSObfuscationArchive.remove_filec C s6 | j s&| js| j� | _tjj| j|�S tjj| j|�S )z�Based on the type of archive we're dealing with, do whatever that
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access it within the archive
)r' r) r= r r r �extracted_path)r, rH r r r �format_file_name� s
z&SoSObfuscationArchive.format_file_namec C s� | j dkrZ| jrZ| j|�}y| jj|�j� jd�S tk
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Fzutf-8zUnable to retrieve z: no such file in archiver �r)�encodingNzFailed to get contents of z: ) r' r7 rK r8 Z extractfile�read�decode�KeyErrorrD r
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&z SoSObfuscationArchive.extractc C s. | j j| j|�}|| _tj| j |� || _ dS )z�Rename the top-level directory to new_name, which should be an
obfuscated string that scrubs the hostname from the top-level dir
which would be named after the unobfuscated sos report
N)rJ �replacer r �rename)r, �new_name�_pathr r r �rename_top_dir� s z$SoSObfuscationArchive.rename_top_dirc C s | j r| jjd�rdS dS dS )z�Return the compression type used by the archive, if any. This is
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command to repack the archive
�xzZgzN)r7 r �endswith)r, r r r �get_compression� s
z%SoSObfuscationArchive.get_compressionc C s� d}| j d }i }|rL|d|� �7 }|d|� �7 }|dkrDddi}ndd i}| jd
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z$SoSObfuscationArchive.build_tar_filec C s� y| j |�| _W n4 tk
rD } z| jd|� �� � W Y dd}~X nX | jd| j� �� y | j� W n< tk
r� } z | jd|� �� | jd� W Y dd}~X nX dS )z�Execute the compression command, and set the appropriate final
archive path for later reference by SoSCleaner on a per-archive basis
z(Exception while re-compressing archive: NzCompressed to z'Failed to remove extraction directory: z/Failed to remove temporary extraction directory)rv r r rD �remove_extracted_pathrA )r, ru rR r r r �compress s z SoSObfuscationArchive.compressc C st y"| j d| j� �� tj| j� W nL tk
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| j�r^tj | j� n tj| j� Y nX dS )z�After the tarball has been re-compressed, remove the extracted path
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execution
z Removing N) rD rJ �shutilZrmtree�OSErrorr rY rW ra r �isfilerF )r, r r r rw # s z+SoSObfuscationArchive.remove_extracted_pathc C s2 t d�� }|jt| j| j�}|j� }|S Q R X dS )z}Extract an archive into our tmpdir so that we may inspect it or
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z"SoSObfuscationArchive.extract_selfc c s| xvt j| j�D ]f\}}}x,|D ]$}t jj||�}t jj|�r |V q W x,|D ]$}t jj||�}t jj|�rL|V qLW qW dS )z.Iterator for a list of symlinks in the archiveN)r rV rJ r r r\ )r, r; rc rd re Z_dirpathrQ �_fnamer r r � get_symlinks= s
z"SoSObfuscationArchive.get_symlinksc c sT xNt j| j�D ]>\}}}x2|D ]*}t jj||jd��}t jj|�s |V q W qW dS )z�Iterator for a list of files in the archive, to allow clean to
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z#SoSObfuscationArchive.get_file_listc C s. g }x$t j| j�D ]\}}}|j|� qW |S )z3Return a list of all directories within the archive)r rV rJ �append)r, Zdir_listr; r� r r r �get_directory_listU s z(SoSObfuscationArchive.get_directory_listc C s | j j|� | j|7 _dS )z�Called when a file has finished being parsed and used to track
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file_sub_listr� �total_sub_count)r, rH �countr r r �update_sub_count\ s z&SoSObfuscationArchive.update_sub_countc C s* t jj| j|jd��}t jj|�r&|S dS )zReturn the filepath of a specific file within the archive so that
it may be selectively inspected if it exists
r r )r r r rJ r r[ )r, rH ri r r r rE c s z#SoSObfuscationArchive.get_file_pathc C sZ t jj| j|�� r,t jj| j|�� r,dS x(| jD ] }|j|�sNtj||�r4dS q4W dS )a% Checks the provided filename against a list of filepaths to not
perform obfuscation on, as defined in self.skip_list
Positional arguments:
:param filename str: Filename relative to the extracted
archive root
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startswith�re�match)r, rQ Z_skipr r r �should_skip_filej s
z&SoSObfuscationArchive.should_skip_filec C sV ddddddddd g }x |D ]}t j||�r d
S q W | j|�}tjj|�rRt|�S d S ) aa Determine if the file should be removed or not, due to an inability
to reliably obfuscate that file based on the filename.
:param fname: Filename relative to the extracted archive root
:type fname: ``str``
:returns: ``True`` if the file cannot be reliably obfuscated
:rtype: ``bool``
z.*\.gz$z.*\.xz$z
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