OwlCyberSecurity - MANAGER
Edit File: apt.cpython-38.pyc
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This functions parses apt update errors regarding the presence of invalid apt config in the system, for example, a ppa that cannot be reached, for example. In that scenario, apt will output a message in the following formats: The repository 'ppa 404 Release' ... Failed to fetch ppa 404 ... On some releases, both of these errors will be present in the apt error message. :param apt_error: The apt error string :return: a NamedMessage containing the error message � z2(Failed to fetch |The repository .)(?P<url>[^\s]+)z- �urlz/distsr )�set�stripr: rJ rK � groupdict�add)rT � failed_repos�lineZ pattern_matchZrepo_url_matchr r r �(_parse_apt_update_for_invalid_apt_config� s �� r^ )�cmd� error_msg�override_env_varsrU c C s� zt j| dt|d�\}}W n� tjk r� } zrt�dt| �t|�� dt|j�kr\t� � �n$t |j�}|r�tj d� t |��d��|r�|nt|�}tj|d��W 5 d}~X Y nX |S ) a� Run an apt command, retrying upon failure APT_RETRIES times. :param cmd: List containing the apt command to run, passed to subp. :param error_msg: The string to raise as UbuntuProError when all retries are exhausted in failure. :param override_env_vars: Passed directly as subp's override_env_vars arg :return: stdout from successful run of the apt command. :raise UbuntuProError: on issues running apt-cache policy. T)Zcapturer6 ra z Error running apt command %s: %sz%Could not get lock /var/lib/dpkg/lockrV )r\ r9 N)r r? rC r rD rE rF rG rH �APTProcessConflictErrorr^ �APTInvalidRepoErrorrA �sortedrL )r_ r` ra �out�_errrR r\ �msgr r r �run_apt_command� s& � � rh )�maxsize)r` ra rU c C s t ddg| |d�S )N� apt-cache�policy)r_ r` ra )rh )r` ra r r r �get_apt_cache_policy� s �rl c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�PreserveAptCfgc C s || _ i | _d S r3 )�apt_func�current_apt_cfg)�selfrn r r r �__init__ s zPreserveAptCfg.__init__c s& t j� � fdd�� �� D �| _| �� S )Nc s i | ]}|t �� �|���qS r )�copy�deepcopyr( )�.0�key��cfgr r � <dictcomp> s z,PreserveAptCfg.__enter__.<locals>.<dictcomp>)r& r' �keysro rn )rp r rv r � __enter__ s �zPreserveAptCfg.__enter__c C s4 t j}| j�� D ]}|�|| j| � qt �� d S r3 )r& r' ro ry rX Z init_system)rp �type�value� tracebackrw ru r r r �__exit__ s zPreserveAptCfg.__exit__N)r r r rq rz r~ r r r r rm s rm c C s. t j�� D ]} t j�| � q t �� t �d �S r3 )r& r' ry �clearr) �Cache�ru r r r �get_apt_pkg_cache s r� c C sn zPt � tj�� D ] } t�d| �stj�| � qtj�dt� t� � t� d �W S t k rh i Y S X d S )Nz^Acquirer$ ) �_ensure_esm_cache_structurer& r' ry rJ rK r rX r r) r� � Exceptionr� r r r �get_esm_apt_pkg_cache& s r� )�pkg_namerU c C sT t t��4}z || }W n tk r6 Y W 5 Q R � d S X W 5 Q R X |jrP|jjS d S r3 )rm r� �KeyError� current_ver�ver_str)r� �cache�packager r r �get_pkg_version> s r� F)r� �check_esm_cacherU c C s t t��`}z || }W n tk r6 Y W 5 Q R � d S X t�|�}|�|�}|s^W 5 Q R � d S |j}W 5 Q R X |sv|S t t���}|�rz || }W n$ tk r� | Y W 5 Q R � S X t�|�} | �|�} | s�|W 5 Q R � S | j} t�| |�dk�r| W 5 Q R � S W 5 Q R X |S )Nr ) rm r� r� r& �DepCache�get_candidate_verr� r� r4 ) r� r� r� r� � dep_cache� candidateZcandidate_versionZ esm_cacheZ esm_packageZ esm_dep_cacheZ esm_candidateZesm_candidate_versionr r r �get_pkg_candidate_versionK s@ ���r� )ra rU c C s� z�ztddg| d�}W n� tjk rR } z t�dt|�� t�� �W 5 d }~X Y nb tj k r� } ztj |j d��W 5 d }~X Y n2 tj k r� } ztj |j d��W 5 d }~X Y nX W 5 t �� X |S )N�apt-get�update�r_ ra z Error running apt-get update: %s�Zrepo_msgr9 )rl � cache_clearrh r rb rE rF rG Z APTUpdateProcessConflictErrorrc ZAPTUpdateInvalidRepoErrorrg ZUbuntuProError�APTUpdateFailed)ra re rR r r r �run_apt_update_commandw s � $ r� )�sources_list_pathc C s* t t���}tj�dtj�| �� tj�dd� tj�dd� t�� }|� � t � }tj� tj� d�d�}t� |�}z�z"|� |�||d� W 5 Q R X W nt ttd d �k r� } z t�d t|�� t�� �W 5 d }~X Y n4 tk �r } ztjt|�d ��W 5 d }~X Y nX W 5 t�� X W 5 Q R X d S ) NzDir::Etc::sourcelistzDir::Etc::sourcepartszN.O.F.O.L.D.E.RzAPT::List-Cleanup�0zDir::State::Lists�lockr �Errorr z Error updating apt cache: %sr9 )rm r� r& r' rX r; r< �abspath� SourceList�read_main_listr rA Zfind_dirZFileLockrl r� r� �getattrrE rF rG r rb � SystemErrorr� )r� r� � sources_list�fetch_progressZ lock_filer� rR r r r �update_sources_list� s0 � � &r� )�packages� apt_optionsra rU c C s� |d kr g }z t dddg| | |d�}W nZ tjk rT t�d| � t�� �Y n2 tjk r� } ztj|jd��W 5 d }~X Y nX |S )Nr� Zinstall� --assume-yesr� z)Error running apt install for packages %sr� ) rh r rb rE rF Z APTInstallProcessConflictErrorrc ZAPTInstallInvalidRepoErrorrg )r� r� ra re rR r r r �run_apt_install_command� s" ��� r� )�originrU c C s\ t � }tt��@}|jD ]2}|j}|r|jD ] \}}|j| kr*|�|� q*qW 5 Q R X t|�S r3 ) rX rm r� r� r� � file_listr� r[ �list)r� �resultr� r� �installed_version�file�_r r r � get_installed_packages_by_origin� s r� c C s� | d kr g S t � }tt��`}t�|�}|jD ]H}|j}|r,|�|�}|r,||kr,|jD ] \}}|j | krV|� |� qVq,W 5 Q R X t |�S r3 ) rX rm r� r& r� r� r� r� r� r� r[ r� ) r� r� r� r� r� r� r� r� r� r r r �;get_installed_packages_with_uninstalled_candidate_in_origin� s r� )r� �exclude_originrU c s6 g }| j D ]&}� fdd�|jD �}|r |�|� q |S )Nc s( g | ] \}}|j d kr|j� kr|�qS )Znow)Z componentr� )rt r� r� �r� r r � <listcomp>� s �z3get_remote_versions_for_package.<locals>.<listcomp>)Z version_listr� �append)r� r� Zvalid_versionsr" Z valid_originsr r� r � get_remote_versions_for_package� s � r� )�suites�series�updates_enabledrN rU c C sR d}| D ]D}||krqd}d|kr8|s8t �d||� d}|dj|||d�7 }q|S )Nr% �-updatesz?Not enabling apt suite "%s" because "%s-updates" is not enabledz# zC{maybe_comment}deb {url} {suite} main # deb-src {url} {suite} main )� maybe_commentrW �suite)rE �warningr@ )r� r� r� rN �contentr� r� r r r �_get_list_file_content s( � ��r� )r� r� r� rN � keyring_file�include_deb_srcrU c sZ � fdd�| D �}|s0t �d� � dd� |D �}|r8dnd}tj|d�|�t||d�}|S ) Nc s g | ]}� |kr|�qS r r �rt r� �r� r r r� + s z-_get_sources_file_content.<locals>.<listcomp>zPNot enabling service-related -updates suites because "%s-updates" is not enabledc S s g | ]}d |kr|�qS )r� r r� r r r r� 2 s z deb-srcr% � )rW r� Z keyrings_dirr� �deb_src)rE r� �DEB822_REPO_FILE_CONTENTr@ rA � KEYRINGS_DIR) r� r� r� rN r� r� Zappliable_suitesr� r� r r� r �_get_sources_file_content# s$ �� �r� )� repo_filenamerN � credentialsr� r� � snapshot_urls�check_updates_pocketrU c C s2 z|� d�\}}W n tk r. d}|}Y nX tj�|� t�� j} |�d�r\|dd� }t |||� d} |r�d} t dd gt j �} | � � D ]&} d �| �| kr�q�d | kr�q�d} q�q�|g| D ]} t| ||� q�| tk�rtj�t|�}tj�t|�}t�||� t|| | |�}nt|| | ||�}t�| |� dS ) z�Add an authenticated apt repo and credentials to the system. @raises: InvalidAPTCredentialsError when the token provided can't access the repo PPA. �:Zbearer�/N���TFrj rk z a={}-updatesz o=Ubuntu,)r: � ValueErrorr ZsecretsZ add_secretr Zget_release_infor� �endswithrS rh r ZAPT_POLICY_FAILED� splitlinesr@ �add_apt_auth_conf_entry�SERIES_NOT_USING_DEB822r; 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r< r= r r� r@ rA r� �ensure_file_absentr� )rN r� rQ r� Zapt_authr� r r� r � remove_repo_from_apt_auth_file� s � r� )r� rN r� r� rU c C s^ t �| � | �d�r&t �t�| d�� |rBtj�t|�}t �|� |g| D ] }t |� qLdS )z>Remove an authenticated apt repo and credentials to the systemz.sourcesr� N) r r� r� r Zset_filename_extensionr; r< rA r� r� )r� rN r� r� rW r r r �remove_auth_apt_repo� s � r� c C sB |� d�\}}|�d�r$|dd� }dj||d�}t�| |� dS )z.Add an apt preferences file and pin for a PPA.r5 r� Nr� z<Package: * Pin: release o={origin} Pin-Priority: {priority} )r� �priority)r: r� r@ r r� )Zapt_preference_filerN r� r� r� rQ r� r r r �add_ppa_pinning� s ��r� c C sZ t �dddtg�\} }| r,| �d�d d S t �dddtg�\} }| �d�d �d�S dS ) z7Return to patch to the system configured APT auth file.� apt-config�shellru �'r� z90ubuntu-advantager� N)r r? �APT_CONFIG_AUTH_PARTS_DIRr: �APT_CONFIG_AUTH_FILE�rstrip)re rf r r r r� � s � �r� c C s~ | � d�\}}|�d�r$|dd� }d}t�dddtg�\}}|rP|� d �d }|�dd �}tt�tj � ||d � |� ���S ) zEList any apt files in APT_CONFIG_LISTS_DIR given repo_url and series.r5 r� Nr� z/var/lib/apt/listsr� r� ru r� r� r� z _dists_{}*) r: r� r r? �APT_CONFIG_LISTS_DIR�replacerd �globr; r< rA r@ )rN r� r� rQ Z lists_dirre rf Zaptlist_filenamer r r �find_apt_list_files� s$ � ���r� c C s t | |�D ]}t�|� q dS )z?Remove any apt list files present for this repo_url and series.N)r� r r� )rN r� r< r r r �remove_apt_list_files s r� )�pkgrU c C s | t � kS r3 )� get_installed_packages_names)r� r r r � is_installed s r� )rU c C sL g } t t��6}|jD ](}|j}|r| �t|j|j|jd�� qW 5 Q R X | S )N)r! r" r# ) rm r� r� r� r� r r! r� r# )Z installedr� r� r� r r r �get_installed_packages s ��r� c C s t � } dd� | D �}|S )Nc S s g | ] }|j �qS r )r! )rt r� r r r r� * s z0get_installed_packages_names.<locals>.<listcomp>)r� )Z package_listZ pkg_namesr r r r� ( s r� )� http_proxy� https_proxy� proxy_scoperU c C s� | s|rB|rBd}|t jkr d}n|t jkr.d}t�tjj|d�� d}| r�|t jkrf|tj| d�7 }n|t jkr�|t j| d�7 }|r�|t jkr�|t j|d�7 }n|t jkr�|t j|d�7 }|dkr�t | }|dkr�t �t� n t �t|� dS )a� Writes an apt conf file that configures apt to use the proxies provided as args. If both args are None, then no apt conf file is written. If this function previously wrote a conf file, and was run again with both args as None, the existing file is removed. :param http_proxy: the url of the http proxy apt should use, or None :param https_proxy: the url of the https proxy apt should use, or None :return: None r% z UA-scoped�global)Zscope)Z proxy_urlN)r r r �event�infor ZSETTING_SERVICE_PROXY_SCOPEr@ �APT_CONFIG_UA_PROXY_HTTP� APT_CONFIG_GLOBAL_PROXY_HTTP�APT_CONFIG_UA_PROXY_HTTPS� APT_CONFIG_GLOBAL_PROXY_HTTPS�APT_PROXY_CONFIG_HEADERr r� �APT_PROXY_CONF_FILEr� )r� r� r� �messageZapt_proxy_configr r r �setup_apt_proxy. sD � � � � � r c C s d } t j�t�r t �t�j} | S r3 )r; r< r= � APT_UPDATE_SUCCESS_STAMP_PATH�stat�st_mtime�Z cache_timer r r �get_apt_cache_timef s r c C s d } t j�t�r t �t�j} | S r3 )r; r< r= �DPKG_STATUS_PATHr r )Z status_timer r r �get_dpkg_status_timem s r c C s$ t � } | d krd S tj�| tjj�S r3 )r �datetimeZ fromtimestamp�timezoneZutcr r r r �get_apt_cache_datetimet s r c s� t j tj�td�dd�� td td } t� fdd�| D ��rBd S t�t� td D ]}t� |� qTtd D ]}tj |ddd � qld S ) Nz**/*T)� recursiver r c 3 s | ]}|� kV qd S r3 r )rt r� �Zexisting_filesr r � <genexpr>� s z._ensure_esm_cache_structure.<locals>.<genexpr>i� )�exist_okr� ) r� r; r< rA r �ESM_BASIC_FILE_STRUCTURE�allr Zensure_folder_absentZ create_file�makedirs)Z desired_filesr� Zfolderr r r r� { s �� r� c C s� t �� s d S t� ddlm} ddlm} ddlm}m } d}d}t � � }|d kr^|| �d }|� dg �D ]D}|� dd�d kr�|� d d �d k}|� dd�d krj|� d d �d k}qj|| �} |r�| � � d |jkr�| �� n| �� t �� �r || �} |�r| � � d |jk�r| �� n| �� tt��x} t�� } | �� G dd� dt�} | � }z| �|| d� W n8 tk �r� } zt�d� t |��� W 5 d }~X Y nX W 5 Q R X d S )Nr )�status)�ApplicationStatus)�ESMAppsEntitlement�ESMInfraEntitlementFZservicesr! r% zesm-appsZ availableZnoZyesz esm-infrac @ s, e Zd Zejd�dd�Zejd�dd�ZdS )z-update_esm_caches.<locals>.EsmAcquireProgress)�itemc S s t �d�|j�� d S )Nz Fetched ESM Apt Cache item: {})rE �debugr@ �uri�rp r r r r �done� s z2update_esm_caches.<locals>.EsmAcquireProgress.donec S s t �d�|j�� d S )Nz&Failed to fetch ESM Apt Cache item: {})rE r� r@ r r r r r �fail� s �z2update_esm_caches.<locals>.EsmAcquireProgress.failN)r r r r& ZAcquireItemDescr! r" r r r r �EsmAcquireProgress� s r# z%Failed to fetch the ESM Apt Cache: {}) r Zis_current_series_ltsr� Zuaclient.actionsr Z(uaclient.entitlements.entitlement_statusr Zuaclient.entitlements.esmr r r �readr( Zapplication_statusZDISABLEDZsetup_local_esm_repoZdisable_local_esm_repoZ is_current_series_active_esmrm r� r& r� r� r r� r� rE r� r@ rG )rw r r r r Zapps_availableZinfra_availableZcurrent_statusZserviceZappsZinfrar� r� r# r� rR r r r �update_esm_caches� sP �� �� r% �� package_namesZ error_messagec C s( t dddddgt| � |ddid� d S ) a� Remove APT packages from the system. Setting DEBIAN_FRONTEND to noninteractive makes sure no prompts will appear during the operation. In this case, --force-confdef will automatically pick the default option when some debconf should appear. In the absence of a default option, --force-confold will automatically choose to keep the old configuration file. r� �remover� �$-o Dpkg::Options::="--force-confdef"�$-o Dpkg::Options::="--force-confold"�DEBIAN_FRONTEND�noninteractive�ra N�rh r� r& r r r �remove_packages� s ���r/ c C s( t dddddgt| � |ddid� d S ) a� Purge APT packages from the system - remove everything. Setting DEBIAN_FRONTEND to noninteractive makes sure no prompts will appear during the operation. In this case, --force-confdef will automatically pick the default option when some debconf should appear. In the absence of a default option, --force-confold will automatically choose to keep the old configuration file. r� �purger� r) r* r+ r, r- Nr. r& r r r �purge_packages� s ���r1 �r' c C s t | dddgddid� dS )a6 Install packages, allowing downgrades. The --allow downgrades flag is needed because sometimes we need to reinstall the packages to a lower version (passed in the package_name string, as package=version). Setting DEBIAN_FRONTEND to noninteractive makes sure no prompts will appear during the operation. In this case, --force-confdef will automatically pick the default option when some debconf should appear. In the absence of a default option, --force-confold will automatically choose to keep the old configuration file. z--allow-downgradesr) r* r+ r, )r� ra N)r� r2 r r r �reinstall_packages s ��r3 c C s* t j�� D ]} t j�| � q t �� t jS r3 )r& r' ry r Z init_configr� r r r �_get_apt_config s r4 c C s" t t��}|�| �}W 5 Q R X |S r3 )rm r4 r� )Zbase_key�apt_cfgZ apt_cfg_keysr r r �get_apt_config_keys( s r6 )� cfg_namesrU c C sN i }t t��8}| D ],}|�|�}t|�s6|�|�p4d}|||< qW 5 Q R X |S )z� Get all APT configuration values for the given config names. If one of the config names is not present on the APT config, that config name will have a value of None N)rm r4 r( rG Z value_list)r7 Z apt_cfg_dictr5 Zcfg_nameZ cfg_valuer r r �get_apt_config_values/ s r8 c C s d} d}t j�|�r|S | S )Nz/etc/apt/sources.listz&/etc/apt/sources.list.d/ubuntu.sources)r; r< r= )Zold_sources_pathZnew_sources_pathr r r �get_system_sources_fileE s ��r9 )NN)NN)F)N)NN)N)F)F)N)xrr r �enumr� Zloggingr; rJ rM r> � functoolsr r �typingr r r r r r r r& Zapt.progress.baser Zuaclientr r r r r r r Zuaclient.defaultsr Zuaclient.files.state_filesr rB r� r� r� r� r r r r r r� r� ZAPT_METHOD_HTTPS_FILEZCA_CERTIFICATES_FILEr r r r� r� r< rA r rC Zget_event_loggerr� Z getLoggerZ replace_top_level_logger_namer rE �unique�Enumr rG r r/ r4 rS r^ rh rl rm r� r� r� �boolr� r� Zretryrb r� r� r� ZPackager� r� ZVersionr� r� r� r� r� r� r� r� r� r� r� r� r� r� r r �floatr r r r� r% r/ r1 r3 r4 r6 r8 r9 r r r r �<module> sl $ $ �� � �� �+� ( �� + �� � � - �� �( � � � � � � �� ' �� A/ �� �� 8E �