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SoSCleanera�
This function is designed to obfuscate potentially sensitive information
from an sos report archive in a consistent and reproducible manner.
It may either be invoked during the creation of a report by using the
--clean option in the report command, or may be used on an already existing
archive by way of 'sos clean'.
The target of obfuscation are items such as IP addresses, MAC addresses,
hostnames, usernames, and also keywords provided by users via the
--keywords and/or --keyword-file options.
For every collection made in a report the collection is parsed for such
items, and when items are found SoS will generate an obfuscated replacement
for it, and in all places that item is found replace the text with the
obfuscated replacement mapped to it. These mappings are saved locally so
that future iterations will maintain the same consistent obfuscation
pairing.
In the case of IP addresses, support is for IPv4 and efforts are made to
keep network topology intact so that later analysis is as accurate and
easily understandable as possible. If an IP address is encountered that we
cannot determine the netmask for, a random IP address is used instead.
For hostnames, domains are obfuscated as whole units, leaving the TLD in
place.
For instance, 'example.com' may be obfuscated to 'obfuscateddomain0.com'
and 'foo.example.com' may end up being 'obfuscateddomain1.com'.
Users will be notified of a 'mapping' file that records all items and the
obfuscated counterpart mapped to them for ease of reference later on. This
file should be kept private.
z6Obfuscate sensitive networking information in a report�auto� N� /etc/sos/cleaner/default_mappingF� ) � archive_type�domains�disable_parsers�jobs�keywords� keyword_file�map_file� no_update�keep_binary_files�target� usernamesc s� |st t| ��|||� d| _nC|d | _|d | _|d | _|d | _|d | _d| _t | jd�s6d | j_
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�| _ t | j| jj �t | j�t | j�t!| j| jj"| jj#�t$| j| jj%�g| _&| jj'D ]1}| j&D ]+}|j(�)� �*d�d �+� }|�)� �+� |kr�| �,d| � | j�-d| � | j&�.|� q�q�t/t0t1t2t3t4t5g| _6d | _7| �,d| j � d S )NT�options�tmpdir�sys_tmp�policy�manifestFr r r �sos�sos_ui�cleaner��exist_ok�? �parserr zDisabling parser: %szaDisabling the '%s' parser. Be aware that this may leave sensitive plain-text data in the archive.z%Cleaner initialized. From cmdline: %s)8�superr �__init__� from_cmdline�optsr& r' r( r) �hasattrr r �logging� getLogger�soslog�ui_log�os�makedirs�path�join�
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zSoSCleaner._fmt_msgc C s |� d� |�| j� d S )NzSoS Cleaner Detailed Help)� set_title�add_text�__doc__)�cls�sectionrZ rZ r[ � display_help� s
zSoSCleaner.display_helpc C s i }d}t j�| jj�rtd| jj ��t j�| jj�s-| jj|kr+| �d| jj � |S t| jjd��L}zt �
|�}W n+ t j yK | �d� Y n% tyg } z| �d| jj|f � W Y d}~nd}~ww W d � |S W d � |S W d � |S 1 s�w Y |S )z�Verifies that the map file exists and has usable content.
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r z$Requested map file %s is a directoryzHERROR: map file %s does not exist, will not load any obfuscation matches�rzOERROR: Unable to parse map file, json is malformed. Will not load any mappings.z ERROR: Could not load '%s': %sN) r: r< �isdirr4 r � Exception�existsrg �open�json�load�JSONDecodeError)rQ �_conf� default_map�mf�errrZ rZ r[ r> � sH � ��
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C s� | � d�}| j�dt � | j�|� | jjsLztd� W dS ty3 | j�d� | �d� Y dS t yK } z
| �d|� W Y d}~dS d}~ww dS )z�When we are directly running `sos clean`, rather than hooking into
SoSCleaner via report or collect, print a disclaimer banner
a� This command will attempt to obfuscate information that is generally considered to be potentially sensitive. Such information includes IP addresses, MAC addresses, domain names, and any user-provided keywords.
Note that this utility provides a best-effort approach to data obfuscation, but it does not guarantee that such obfuscation provides complete coverage of all such data in the archive, or that any obfuscation is provided to data that does not fit the description above.
Users should review any resulting data and/or archives generated or processed by this utility for remaining sensitive content before being passed to a third party.
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sos clean (version %s)
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Press ENTER to continue, or CTRL-C to quit.
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|� || _| jrd| jj| j_dS dS )z�The target path is not a directory, so inspect it for being an
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Nr �-�_)r4 r �replacerO � type_namer# r& �
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if it is a directory, archive, or archive of archives.
In the case of a directory, the default behavior will be to edit the
data in place. For an archive will we unpack the archive, iterate
over the contents, and then repack the archive. In the case of an
archive of archives, such as one from SoSCollector, each archive will
be unpacked, cleaned, and repacked and the final top-level archive will
then be repacked as well.
�/���z.tarr z,Invalid target: no such file or directory %sr� z'No valid archives or directories found
Nz#No reports obfuscated, aborting...
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c S s g | ]}|j �qS rZ )�final_archive_path)�.0�arZ rZ r[ �
<listcomp>n s z&SoSCleaner.execute.<locals>.<listcomp>z%s.%s�wz4A mapping of obfuscated elements is available at
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The obfuscated archive is available at
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Owner %s
zcPlease send the obfuscated archive to your support representative and keep the mapping file private)-r4 r# rJ �arc_namer3 r� r� r: r< ry r9 rf r� r� �completed_reports� preload_all_archives_into_maps� generate_parser_item_regexes�obfuscate_report_pathsrA re �len�compile_mapping_dict�write_map_for_archive�write_map_for_config�write_stats_to_manifest�rebuild_nested_archiver� �get_new_checksum�obfuscate_stringrC rz r= r' �write�write_cleaner_log�shutil�move�stat�printr �st_sizer �st_uid�pw_name�cleanup) rQ �_map�map_path� arc_paths�
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copies of the reports, log files, manifest, etc...
z -obfuscated)rH r� r� Nzchecksums/%s.%s�r� T)r� )r� �
setup_archiver� r� rJ r� rC r� �
add_stringr: �walkrP �extracted_pathr< r= �lstrip�add_filerN r� �finalizer4 �compression_type) rQ r� r� �arc_destr� �dname�dirn�dirs�files�filename�fnamerZ rZ r[ r� � s&
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� z!SoSCleaner.rebuild_nested_archivec C s2 i }| j D ]}i ||j< ||j �|jj� q|S )a Build a dict that contains each parser's map as a key, with the
contents as that key's value. This will then be written to disk in the
same directory as the obfuscated report so that sysadmins have a way
to 'decode' the obfuscation locally
)rG � map_file_key�update�mapping�dataset)rQ r� r0 rZ rZ r[ r� � s
z SoSCleaner.compile_mapping_dictc C sD t |d��}|�tj|dd�� W d � |S 1 sw Y |S )zjWrite the mapping to a file on disk that is in the same location as
the final archive(s).
r� r )�indentN)rz r� r{ �dumps)rQ r� r< r� rZ rZ r[ �write_map_to_file� s
��z SoSCleaner.write_map_to_filec
C s` zt j�| j| �d| j ��}| �||�W S ty/ } z| �d| � W Y d }~d S d }~ww )Nz%s-private_mapz$Could not write private map file: %s) r: r< r= r' r� r� r� rx rg )rQ r� r� r� rZ rZ r[ r� � s ���z SoSCleaner.write_map_for_archivec
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d| � W Y d}~dS d}~ww dS dS )z}Write the mapping to the config file so that subsequent runs are
able to provide the same consistent mapping
Tr- zWrote mapping to %sz(Could not update mapping config file: %sN) r4 r r! r: r< �dirnamer; r� rc rx rg )rQ r� � cleaner_dirr� rZ rZ r[ r� � s ����z SoSCleaner.write_map_for_configc C s� t j�| jd| j �}t|d��}| j�d� | j�� D ]}|� |� q W d � n1 s.w Y |rD| �
|� | j j |dd� dS dS )z�When invoked via the command line, the logging from SoSCleaner will
not be added to the archive(s) it processes, so we need to write it
separately to disk
z%s-obfuscation.logr� r Nzsos_logs/cleaner.logr� )
r: r< r= r' r� rz � sos_log_file�seek� readlinesr� �obfuscate_filer� r� )rQ r� �log_name�logfilern rZ rZ r[ r� � s � � �
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checksum will no longer be valid
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z�Perform the obfuscation for each archive or sos directory discovered
during setup.
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be obfuscated concurrently.
zFFound %s total reports to obfuscate, processing up to %s concurrently
zpWARNING: binary files that potentially contain sensitive information will NOT be removed from the final archive
r� )� chunksizeT)�waitzExiting on user cancelr� N)r� r� r4 r r9 re r" �warningr �map�obfuscate_report�shutdownrP � _replace_obfuscated_archivesr� r: r� )rQ r] �poolrZ rZ r[ r� s* �� � � �z!SoSCleaner.obfuscate_report_pathsc C sV | j D ]%}t�|j� | jj}|j�d�d }tj� ||�}t
� |j|� ||_qdS )z�When we have a nested archive, we need to rebuild the original
archive, which entails replacing the existing archives with their
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r� r� N) r� r: rN r� rP r� r� rJ r< r= r� r� )rQ r� r� r� � dest_namerZ rZ r[ r s
�z'SoSCleaner._replace_obfuscated_archivesc C s | j D ]}|�� qdS )z�For the parsers that use prebuilt lists of items, generate those
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obfuscated in node1's archive.
z.Pre-loading all archives into obfuscation mapsr zAttempting to load %s�hostnamez etc/hostsz.Could not prepare %s from %s (archive: %s): %sN)rL r� rG �
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� W dS t�y\ } z| j"�#d|j|f � W Y d}~dS d}~ww )z�Individually handle each archive or directory we've discovered by
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start_timezBeginning obfuscation...r� r� zUnable to parse file %s: %sNz#Failed to obfuscate directories: %s�r^ z Failed to obfuscate symlinks: %szRe-compressing...z!Archive %s failed to compress: %sz!Failed to re-compress archive: %s�end_time�run_time�files_obfuscated�total_substitutionsr z! [removed %s unprocessable files]zObfuscation completed%sz!Exception while processing %s: %s)$rF rE r r �now� add_field� is_extracted�extract�
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a5 Obfuscate and individual file, line by line.
Lines processed, even if no substitutions occur, are then written to a
temp file without our own tmpdir. Once the file has been completely
iterated through, if there have been substitutions then the temp file
overwrites the original file. If there are no substitutions, then the
original file is left in place.
Positional arguments:
:param filename str: Filename relative to the extracted
archive root
Nr r� r� zObfuscating %sr r� )�mode�dirc s( g | ]}t � fd d�|jD ��s|�qS )c 3 s � | ]}|� � �V qd S ra )�match)r� �_skip�r3 rZ r[ � <genexpr>� s �
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