U $‰/hæGã@sØdZddlZddlZddlZddlZddlZddlZddlZddlZddl Z ddl m Z z&ddl m Z mZmZmZe eefWn,ek rªddl m Z mZmZmZYnXddlmZddlmZej dd¡Zd Zd Zd Zd d „Zdd„Zdd„Zdd„Z dd„Z!dd„Z"dd„Z#dd„Z$dd„Z%dd„Z&d d!„Z'd"d#„Z(d$d%„Z)d&d'„Z*d(d)„Z+d*d+„Z,dGd,d-„Z-d.d/„Z.dHd1d2„Z/de/_0d3d4„Z1d5d6„Z2d7d8„Z3d9d:„Z4dId;d<„Z5dJd=d>„Z6d?d@„Z7dAdB„Z8dCdD„Z9dEdF„Z:dS)Kz0Functions to manage apport problem report files.éN)Ú itemgetter)Ú ConfigParserÚ NoOptionErrorÚNoSectionErrorÚMissingSectionHeaderError)Ú ProblemReport)ÚimplÚAPPORT_REPORT_DIRz /var/crashz/var/lib/apport/coredumpéz~/.config/apport/settingscCsFt dtj¡sdSzt ddddg¡dkWStk r@YdSXd S) z)Check whether crash reporting is enabled.z/usr/bin/whoopsieTz/bin/systemctlz-qz is-enabledzwhoopsie.servicerFN)ÚosÚaccessÚX_OKÚ subprocessÚcallÚOSError©rrú2/usr/lib/python3/dist-packages/apport/fileutils.pyÚallowed_to_report$s rcCs\|sdS| d¡sdSd|kr"dSdD]}||kr&dSq&| d¡}t|ƒdkrTdS|dS)z'Extract the socket from a DBus address.Nzunix:path=/run/user/z../)ú%ú,ú;ú=éé)Ú startswithÚsplitÚlen)Z dbus_addrÚsearchÚpartsrrrÚget_dbus_socket0s   rc Cst|dkr dSd}t |¡D]T}| d¡r| d¡s>| d¡s>q|rHdSt|dƒ}d| ¡krd|}W5QRXq|S)z›Return a package's .desktop file. If given package is installed and has a single .desktop file, return the path to it, otherwise return None. Nz.desktopz/etc/xdg/autostartz/usr/share/applications/ÚrbsNoDisplay=true)Ú packagingZ get_filesÚendswithrÚopenÚread)ÚpackageZ desktopfileÚlineÚfrrrÚfind_package_desktopfileKs   r(c CsRddddddddd g }d }|D]}| |¡rd }q6q|oP| d ¡ oP| d ¡ S)a2Check whether the given file is likely to belong to a package. This is semi-decidable: A return value of False is definitive, a True value is only a guess which needs to be checked with find_file_package(). However, this function is very fast and does not access the package database. z/bin/z/bootz/etc/z/initrdz/libz/sbin/z/optz/usr/z/varFTz /usr/local/z /var/lib/)r)ÚfileZ pkg_whitelistZwhitelist_matchÚirrrÚlikely_packagedgs ÿ ÿr+cCsLtj |¡\}}tj |¡}tj |¡r6tj ||¡}t|ƒsBdSt |¡S)z[Return the package that ships the given file. Return None if no package ships it. N) r ÚpathrÚrealpathÚisdirÚjoinr+r!Zget_file_package)r)ÚdirÚnameZ resolved_dirrrrÚfind_file_package{s  r2cCsTt ¡}z0| d |¡¡}|jdkr6| ¡}|dWSWntk rNYdSXdS)zbReturn the data of the given snap. Return None if the snap is not found to be installed. z-http+unix://%2Frun%2Fsnapd.socket/v2/snaps/{}éÈÚresultN)Úrequests_unixsocketZSessionÚgetÚformatZ status_codeZjsonÚ Exception)ZsnapZsessionÚrÚjrrrÚ find_snapŒs r;cCs t |¡}|j|jkp|jdkS)zACheck whether the report file has already been processed earlier.r)r ÚstatÚst_atimeÚst_mtimeÚst_size)ÚreportÚstrrrÚ seen_report›s rBc Cs„d| dd¡d}d| dd¡d}tj |¡rjtj |¡rjt |¡}t |¡}|j|jkrjt |¡t|dƒW5QRXdS)Nz %s.uploadÚ.rrz %s.uploadedÚa)Úrsplitr r,Úexistsr<r>Úunlinkr#)r@ZuploadZuploadedZ report_stZ upload_strrrÚmark_report_upload¢s     rHc Csdd|kr|d dd¡}ntdƒ‚t ¡}d|t|ƒ|f}tj t|¡}t|dƒW5QRXdS)NÚExecutablePathú/Ú_z1report does not have the ExecutablePath attributez%s.%s.%s.hangingrD) ÚreplaceÚ ValueErrorr ÚgeteuidÚstrr,r/Ú report_dirr#)r@ÚpidÚsubjectÚuidÚbaser,rrrÚmark_hanging_process¯s rUc CsÀt |¡}zt ||j|jdf¡Wn”tk rºd}|dkr¦t|ƒ}| d¡| ¡zt |¡}Wntk r‚YYdSX|j|jkr’q¦t   d¡|d8}q:|dkr¶t |ƒYnXdS)zMark given report file as seen.ré rNgš™™™™™¹?) r r<Úutimer>rr#r$Úcloser=ÚtimeÚsleepÚ delete_report)r@rAZtimeoutr'rrrÚmark_report_seen¼s&      r\c Csjg}t tj td¡¡D]L}z2tj |¡dkrLt |tjtjB¡rL|  |¡Wqt k rbYqXq|S)zCReturn a list with all report files accessible to the calling user.ú*.crashr) Úglobr r,r/rPÚgetsizer ÚR_OKÚW_OKÚappendr©Úreportsr9rrrÚget_all_reportsÛs$rec Cs@g}tƒD]0}zt|ƒs"| |¡Wq tk r8Yq Xq |S)zGet new reports for calling user. Return a list with all report files which have not yet been processed and are accessible to the calling user. )rerBrbrrcrrrÚget_new_reportsês rfc Csœg}t tj td¡¡D]~}zdt |¡}|jdkr~|jdkr~z"t  |j¡}|j   d¡r\WWqWnt k rrYnX|  |¡Wqtk r”YqXq|S)z‹Get all system reports. Return a list with all report files which belong to a system user (i. e. uid < 500 according to LSB). r]réôZguest)r^r r,r/rPr<r?Úst_uidÚpwdÚgetpwuidÚpw_namerÚKeyErrorrbr)rdr9rAZpwrrrÚget_all_system_reportsüs    rmcCsdd„tƒDƒS)z«Get new system reports. Return a list with all report files which have not yet been processed and belong to a system user (i. e. uid < 500 according to LSB). cSsg|]}t|ƒs|‘qSr)rB)Ú.0r9rrrÚ sz*get_new_system_reports..)rmrrrrÚget_new_system_reportssrpc CsHzt |¡Wn4tk rBt|dƒ}| d¡W5QRXYnXdS)zÁDelete the given report file. If unlinking the file fails due to a permission error (if report_dir is not writable to normal users), the file will be truncated to 0 bytes instead. ÚwrN)r rGrr#Útruncate)r@r'rrrr[ s  r[c Cs€tƒ}|j|dddgdzFt|dƒ}t t |d¡¡}t t ¡¡}||dkr\WdS|WSttfk rzYdSXdS)zºReturn the number of recent crashes for the given report file. Return the number of recent crashes (currently, crashes which happened more than 24 hours ago are discarded). FÚ CrashCounterZDate)Z key_filteri€QrN) rÚloadÚintrYÚmktimeÚstrptimeÚ localtimerMrl)r@ÚprÚcountZ report_timeZcur_timerrrÚget_recent_crashes-s  r{cCs¢d|kr|d dd¡}n&d|kr8|d dd¡d}ntdƒ‚|sLt ¡}tj td |t|ƒf¡}t j d krzt |d ƒSt  t  |tj tjBtjBd ¡d ¡SdS)a6Construct a canonical pathname for a report and open it for writing If uid is not given, it defaults to the effective uid of the current process. The report file must not exist already, to prevent losing previous reports or symlink attacks. Return an open file object for binary writing. rIrJrKZPackageNrrz7report has neither ExecutablePath nor Package attributez %s.%s.crashÚ3Zxbi Úwb)rLrrMr rNr,r/rPrOÚsysÚversionr#ÚfdopenÚO_WRONLYÚO_CREATÚO_EXCL)r@rSrRr,rrrÚmake_report_fileAs   r„cCs‚tj |¡st‚tjdd|gtjtjdid}| ¡d ¡}|j dkrLgSg}|  ¡D]$}|  d¡rX|  |  dd¡d¡qX|S) z”Check file integrity against md5 sum file. sumfile must be md5sum(1) format (relative to /). Return a list of files that don't match. z/usr/bin/md5sumz-crJ)ÚstdoutÚstderrÚcwdÚenvrZFAILEDú:r)r r,rFÚAssertionErrorrÚPopenÚPIPEZ communicateÚdecodeÚ returncodeÚ splitlinesr"rbrE)ZsumfileÚmÚoutZ mismatchesr&rrrÚcheck_files_md5[s þ   r’Fc Cs>|s"t t ¡¡d}t d|¡}d}d}d}tjsÊtddt_zbzDt  |tj tj B¡}t  |¡} t | j¡r„t |d¡}| d¡}Wnttfk ržYnXW5|dk r¶|  ¡n|dk rÈt  |¡Xztj |¡Wntk rîYnXz*|rtj ||¡WStj ||¡WSWnttfk r8|YSXdS)zàReturn a setting from user configuration. This is read from ~/.config/apport/settings or path. If bool is True, the value is interpreted as a boolean. Privileges may need to be dropped before calling this. r ú~ÚN)Ú interpolationr9rg)rirjr rNÚ _config_filerLÚ get_configÚconfigrrXr#Ú O_NOFOLLOWÚO_RDONLYÚfstatr<ÚS_ISREGÚst_moder€r$ÚIOErrorrZ read_stringrZ getbooleanr6rr) ZsectionZsettingÚdefaultr,ÚboolZhomedirÚcontentsÚfdr'rArrrr—ts<         r—cCs&|| d¡dd…}t| ¡dƒS)z7Extracts the starttime from the contents of a stat fileú)rNé)Úrfindrur)r¡ÚstrippedrrrÚ get_starttime¨sr§cCstd}d}| ¡D]Z}| d¡r@t| ¡ƒdkr@t| ¡dƒ}q| d¡rt| ¡ƒdkrt| ¡dƒ}q||fS)z;Extracts the uid and gid from the contents of a status fileNzUid:rzGid:)rrrrru)r¡Zreal_uidZreal_gidr&rrrÚget_uid_and_gid´s r¨cCsV|D]L}| ¡}t|ƒdkrqt|dƒ}|t|dƒ}||kr||krdSqdS)zSearch for an ID in a map fdérrTF)rrru)ZmapfdrSr&ZfieldsZ host_startZhost_endrrrÚ search_mapÄs  rªc Cs$tdƒ}| ¡ ¡}W5QRX|S)zGets the kernel boot idz/proc/sys/kernel/random/boot_id)r#r$Ústrip)r'Zboot_idrrrÚ get_boot_idÔs r¬cCs8|dkr dSztjd|dWStk r2YdSXdS)z;Gets the process path from a proc directory file descriptorNÚunknownÚexe©Údir_fd)r Úreadlinkr©Ú proc_pid_fdrrrÚget_process_pathÜs r´c sʇfdd„}|dkrd}d}nF|dkrdˆdk r4d}nd|}t||d}| ¡}W5QRXt|ƒ}|dkrttˆƒ}| dd ¡ d d ¡}|dkr˜t ¡}d ||tƒt|ƒt|ƒf} tj   t | ¡} | | fS) zGet the path to a core filecstj||ˆdS)Nr¯)r r#)r,Úflagsr²rrÚopenerêszget_core_path..openerNr­r<z /proc/%s/stat)r¶rJrKrCzcore.%s.%s.%s.%s.%s) r#r$r§r´rLr Úgetuidr¬rOr,r/Úcore_dir) rQr®rSZ timestampr³r¶Z stat_filenameZ stat_fileZ stat_contentsZ core_nameZ core_pathrr²rÚ get_core_pathçs,  ÿr¹c CsŽt|ƒ}g}g}tj t¡r(tjtd}|D]\}z:| d¡d|krhtj tj t|¡¡}|  ||g¡Wq,t t fk r†Yq,Yq,Xq,|S)z¨Searches the core file directory for files that belong to a specified uid. Returns a list of lists containing the filename and the file modification time.)r,rCr) rOr r,rFr¸ÚlistdirrÚgetmtimer/rbÚ IndexErrorÚFileNotFoundError)rSZ core_filesÚ uid_filesr'rYrrrÚfind_core_files_by_uid s   r¿cCspt|ƒ}t|tdƒd}t|ƒtdkrltt|ƒtdƒD].}t tj  t |dd¡¡| |d¡q path mapping, for example 'libc.so.6' -> '/lib/x86_64-linux-gnu/libc.so.6'. ÚlddT)r…r†Zuniversal_newlinesz=>rz linux-vdsorú() rr‹rŒZSTDOUTr…rrMr«rrXÚwaitrŽ)r,ÚlibsrÇr&r1ÚrestrrrÚshared_libraries.s,þ      rÌcCs6t|ƒ}||krdS|D]}| |d¡rdSqdS)zÑCheck if the binary at path links with the library named lib. path should be a fully qualified path (e.g. report['ExecutablePath']), lib may be of the form 'lib' or 'lib.so.' Tz.so.F)rÌr)r,ÚlibrÊZ linked_librrrÚlinks_with_shared_libraryPsrÎ)N)NNF)N)NNNNN);Ú__doc__r r^rÚos.pathrYrir~r5r<ÚoperatorrÚ configparserrrrrÚ ImportErrorZproblem_reportrZapport.packaging_implrr!Úenvironr6rPr¸rÂr–rrr(r+r2r;rBrHrUr\rerfrmrpr[r{r„r’r—r˜r§r¨rªr¬r´r¹r¿rÆrÌrÎrrrrÚsX @          1  $"