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pavuk (1)
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    NAME

    pavuk - HTTP , HTTP over SSL , FTP, FTP over SSL and Gopher recursive document retrieval program
     
    

    SYNOPSIS

    pavuk [-mode {normal | resumeregets | singlepage | singlereget | sync | dontstore | ftpdir}] [-X] [-runX] [-bg/-nobg] [prefs/-noprefs] [-h] [-v] [-progress/-noprogress] [-stime/-nostime] [-xmaxlog $nr] [-logfile $file] [-slogfile $file] [-auth_file $file] [-msgcat $dir] [-language $str] [-gui_font $font] [-quiet/-verbose] [-cdir $dir] [-scndir $dir] [-scenario $str] [-dumpscn $filename] [-lmax $nr] [-dmax $nr] [-leave_level $nr] [-maxsize $nr] [-minsize $nr] [-asite $list] [-dsite $list] [-adomain $list] [-ddomain $list] [-asfx $list] [-dsfx $list] [-aprefix $list] [-dprefix $list] [-amimt $list] [-dmimet $list] [-pattern $pattern] [-url_pattern $pattern] [-rpattern $regexp] [-url_rpattern $regexp] [-skip_pattern $pattern] [-skip_url_pattern $pattern] [-skip_rpattern $regexp] [-skip_url_rpattern $regexp] [-newer_than $time] [-older_than $time] [-schedule $time] [-reschedule $nr] [-dont_leave_site/-leave_site] [-dont_leave_dir/-leave_dir] [-http_proxy $site[:$port]] [-ftp_proxy $site[:$port]] [-ssl_proxy $site[:$port]] [-gopher_proxy $site[:$port]] [-ftp_httpgw/-noftp_httpgw] [-ftp_dirtyproxy/-noftp_dirtyproxy] [-gopher_httpgw/-nogopher_httpgw] [-noFTP/-FTP] [-noHTTP/-HTTP] [-noSSL/-SSL] [-noGopher/-Gopher] [-FTPdir/-noFTPdir] [-noCGI/-CGI] [-FTPlist/-noFTPlist] [-FTPhtml/-noFTPhtml] [-noRelocate/-Relocate] [-force_reget/-noforce_reget] [-nocache/-cache] [-check_size/-nocheck_size] [-noRobots/-Robots] [-noEnc/-Enc] [-auth_name $user] [-auth_passwd $pass] [-auth_scheme 1/2/3/4/user/Basic/Digest/NTLM] [-auth_reuse_nonce/-no_auth_reuse_nonce] [-http_proxy_user $user] [-http_proxy_pass $pass] [-http_proxy_auth 1/2/3/4/user/Basic/Digest/NTLM] [-auth_reuse_proxy_nonce/-no_auth_reuse_proxy_nonce] [-ssl_key_file $file] [-ssl_cert_file $file] [-ssl_cert_passwd $pass] [-from $email] [-send_from/-nosend_from] [-identity $str] [-auto_referer/-noauto_referer] [-alang $list] [-acharset $list] [-retry $nr] [-nregets $nr] [-nredirs $nr] [-rollback $nr] [-sleep $nr] [-timeout $nr] [-preserve_time/-nopreserve_time] [-preserve_perm/-nopreserve_perm] [-preserve_slinks/-nopreserve_slinks] [-bufsize $nr] [-maxrate $nr] [-minrate $nr] [-user_condition $str] [-cookie_file $file] [-cookie_send/-nocookie_send] [-cookie_recv/-nocookie_recv] [-cookie_update/-nocookie_update] [-cookies_max $nr] [-disabled_cookie_domains $list] [-disable_html_tag $TAG,[$ATTRIB][;...]] [-enable_html_tag $TAG,[$ATTRIB][;...]] [-tr_del_chr $str] [-tr_str_str $str1 $str2] [-tr_chr_chr $chrset1 $chrset2] [-index_name $str] [-store_index/-nostore_index] [-store_name $str] [-debug/-nodebug] [-debug_level $level] [-browser $str] [-urls_file $file] [-file_quota $nr] [-trans_quota $nr] [-fs_quota $nr] [-enable_js/-disable_js] [-fnrules $t $m $r] [-store_info/-nostore_info] [-all_to_local/-noall_to_local] [-sel_to_local/-nosel_to_local] [-all_to_remote/-noall_to_remote] [-url_strategie $strategie] [-remove_adv/-noremove_adv] [-adv_re $RE] [-check_bg/-nocheck_bg] [-send_if_range/-nosend_if_range] [-sched_cmd $str] [-unique_log/-nounique_log] [-post_cmd $str] [-ssl_version $v] [-unique_sslid/-nounique_sslid] [-aip_pattern $re] [-dip_pattern $re] [-use_http11/-nouse_http11] [-local_ip $addr] [-request $req] [-formdata $req] [-httpad $str] [-nthreads $nr] [-immesg/-noimmesg] [-dumpfd $nr] [-dump_urlfd $nr] [-unique_name/-nounique_name] [-leave_site_enter_dir/-dont_leave_site_enter_dir] [-max_time $nr] [-del_after/-nodel_after] [-singlepage/-nosinglepage] [-dump_after/-nodump_after] [-dump_response/-nodump_response] [-auth_ntlm_domain $str] [-auth_proxy_ntlm_domain $str] [-js_pattern $re] [-follow_cmd $str] [-retrieve_symlink/-noretrieve_symlink] [-js_transform $p $t $h $a] [-js_transform2 $p $t $h $a] [-ftp_proxy_user $str] [-ftp_proxy_pass $str] [-limit_inlines/-dont_limit_inlines] [-ftp_list_options $str] [-fix_wuftpd_list/-nofix_wuftpd_list] [-post_update/-nopost_update] [-info_dir $dir] [-mozcache_dir $dir] [-aport $list] [-dport $list] [-hack_add_index/-nohack_add_index] [-default_prefix $str] [-rsleep/-norsleep] [-ftp_login_handshake $host $handshake] [-js_script_file $file] [URLs]

    pavuk -mode {normal | singlepage | singlereget} [-base_level $nr]

    pavuk -mode sync [-ddays $nr] [-subdir $dir] [-remove_old/-noremove_old]

    pavuk -mode resumeregets [-subdir $dir]

    pavuk -mode linkupdate [-X] [-h] [-v] [-cdir $dir] [-subdir $dir] [-scndir $dir] [-scenario $str]

    pavuk -mode reminder [-remind_cmd $str]

     

    DESCRIPTION

    This manual page describes how to use pavuk. Pavuk can be used to mirror contents of internet/intranet servers and to maintain copies in a local tree of documents. Pavuk stores retrieved documents in locally mapped disk space. The structure of the local tree is the same as the one on the remote server. Each supported service (protocol) has its own subdirectory in the local tree. Each referenced server has its own subdirectory in these protocols subdirectories; followed by the port number on which the service resides, delimited by character can be be changed. With the option -fnrules you can change the default layout of the local document tree, without losing link consistency.
    With pavuk it is possible to have up-to-date copies of remote documents in the local disk space.
    As of version 0.3pl2, pavuk can automatically restart broken connections, and reget partial content from an FTP server (which must support the REST command), from a properly configured HTTP/1.1 server, or from a HTTP/1.0 server which supports Ranges.
    As of version 0.6 it is possible to handle configurations via so called scenarios. The best way to create such a configuration file is to use the X Window interface and simply save the created configuration. The other way is to use the -dumpscn switch.
    As of version 0.7pl1 it is possible to store authentification information into an authinfo file, which pavuk can then parse and use.
    As of version 0.8pl4 pavuk can fetch documents for use in a local proxy/cache server without storing them to local documents tree.
    As of version 0.9pl4 pavuk supports SOCKS (4/5) proxies if you have the required libraries.
    As of version 0.9pl12 pavuk can preserve permissions of remote files and symbolic links, so it can be used for powerful FTP mirroring.
    Pavuk supports SSL connections to FTP servers, if you specify ftps:// URL instead of ftp://.
    Pavuk can automaticaly handle file names with unsafe characters for filesystem. This is yet implemented only for Win32 platform and it is hardcoded.
    Pavuk can now use HTTP/1.1 protocol for communication with HTTP servers. It can use persistant connections, so one TCP connection should be used to transfere several documents without closing it. This feature saves netwok bandwidth and also speedup network communication.
    Pavuk can do configurable POST requests to HTTP servers and support also file uploading via HTTP POST request.
    Pavuk can automaticaly fill found HTML forms, if user will supply data for its fields befor with option -formdata.
    Pavuk can run configurable number of concurently runnig downloading threads when compiled with multithreading support.

     

    Format of supported URLs

    HTTP
    http://[[user][:password]@]host[:port][/document]
    [[user][:password]@]host[:port][/document]

    HTTPS
    https://[[user][:password]@]host[:port][/document]
    ssl[.domain][:port][/document]

    FTP
    ftp://[[user][:password]@]host[:port][/relative_path][;type=x]
    ftp://[[user][:password]@]host[:port][//absolute_path][;type=x]
    ftp[.domain][:port][/document][;type=x]

    FTPS
    ftps://[[user][:password]@]host[:port][/relative_path][;type=x]
    ftps://[[user][:password]@]host[:port][//absolute_path][;type=x]
    ftps[.domain][:port][/document][;type=x]

    Gopher
    gopher://host[:port][/type[document]]
    gopher[.domain][:port][/type[document]]

     

    Default mapping of URLs to local filenames

    HTTP
    http://[[user][:password]@]host[:port][/document][?query]
    to
    http/host_port/[document][?query]

    HTTPS
    https://[[user][:password]@]host[:port][/document][?query]
    to
    https/host_port/[document][?query]

    FTP
    ftp://[[user][:password]@]host[:port][/path]
    to
    ftp/host_port/[path]

    FTPS
    ftps://[[user][:password]@]host[:port][/path]
    to
    ftps/host_port/[path]

    Gopher
    gopher://host[:port][/type[document]]
    to
    gopher/host_port/[type[document]]

     

    OPTIONS


     All options are case insensitive.

     

    List of options chapters

    Mode
    Help
    Indicate/Logging/Interface options
    Special start
    Scenario/Task options
    Directory options
    Preserve options
    Proxy options
    Proxy Authentification
    Protocol/Download Option
    Authentification
    Site/Domain/Port Limitation Options
    Limitation Document properties
    Limitation Document name
    Limitation Protocol Option
    Other Limitation Options
    Javascript support
    Cookie
    Filename/URL Conversion Option
    Other Options

     

    Mode

    -mode {normal , linkupdate , sync , singlepage , singlereget , resumeregets }
    set operation mode.
    normal - retrieves recursive documents
    linkupdate - update remote URLs in local HTML documents to local URLs if these URLs exist in the local tree
    sync - synchronize remote documents with local tree (if a local copy of a document is older than remote, the document is retrieved again, otherwise nothing happens)
    singlepage - URL is retrieved as one page with all inline objects (picture, sound ...) this mode is now obsoleted by -singlepage option.
    resumeregets - pavuk scans the local tree for files that were not retrieved fully and retrieves them again (uses partial get if possible)
    singlereget - get URL until it is retrieved in full
    dontstore - transfer page from server, but don't store it to the local tree. This mode is suitable for fetching pages that are held in a local proxy/cache server.
    reminder - used to inform the user about changed documents
    ftpdir - used to list of contents of FTP directories

    default operation mode is normal mode.

     

    Help

    -h
    print long verbose help message
    -v
    show version informations and configuration at compilation time.

     

    Indicate/Logging/Interface options

    -quiet
    Don't show any messages on the screen.
    -verbose
    Force to show output messages on the screen (default)
    -progress/-noprogress
    show retrieving progress while running in the terminal (default is progress off)
    -stime/-nostime
    show start and end time of transfer. (default isn't this infomation shown)
    -xmaxlog $nr
    maximal number of log lines in the Log widget. 0 means unlimited. This option is available only when compiled with the GTK+ GUI. (default value is 0)
    -logfile $file
    file where all produced messages are stored.
    -unique_log/-nounique_log
    When logfile as specified with the option -logfile is already used by another process, try to generate new unique name for the log file. (default is this option turned off)
    -slogfile $file
    file to store short logs in. This file contains one line of informations per processed document. This is meant to be used in connection with any sort of script to produce some statistics, for validating links on your website, or for generating simple sitemaps. Multiple pavuk processes can use this file concurrently, without overwriting each others entries. Record structure:

    - PID of pavuk process - TIME current time - COUNTER in the format current/total number of URLs - STATUS contains the type of the error: FATAL, ERR, WARN or OK - ERRCODE is the number code of the error (see errcode.h in pavuk sources) - URL of the document - PARENTURL first parent document of this URL (when it doesn't have parent - [none]) - FILENAME is the name of the local file the document is saved under - SIZE size of requested document if known - DOWNLOAD_TIME time which takes downloading of this document in format seconds.mili_seconds - HTTPRESP contains the first line of the HTTP server response
    -language $str
    native language that pavuk should use for communication with its user (works only when there is a message catalog for that language) GNU gettext support (for message internationalization) must also be compiled in. Default language is taken from your NLS environment variables.
    -gui_font $font
    font used in the GUI interface. To list available X fonts use the xlsfonts command. This option is available only when compiled with GTK+ GUI support.

     

    Special start

    -X
    start program with X Window interface (if compiled with support for GTK+). Pavuk as default starts without GUI, and behaves as regular commandline tool.
    -runX
    When used together with the -X option, pavuk starts processing of URLs immediately after the GUI window is launched. Without the -X given, this option doesn't have any effect. Only available when compiled with GTK+ support .
    -bg/-nobg
    This option allows pavuk to detach from its terminal and run in background mode. Pavuk will not output any messages to the terminal than. If you want to see messages, you have to use the -log_file option to specify a file where messages will be written. Default pavuk executes at foreground.
    -check_bg/-nocheck_bg
    Normally, programs sent into the background after being run in foreground continue to output messages to the terminal. If this option is activated, pavuk checks if it is running as background job and will not write any messages to the terminal in this case. After it becomes a foreground job again, it will start writing messages to terminal in the normal way. This option is available only when your system supports retrieving of terminal info via tc*() functions.
    -prefs/-noprefs
    When you turn this option on, pavuk will preserve all settings when exiting, and when you run pavuk with GUI interface again, all settings will be restored. The settings will be stored in the ~./pavuk_prefs file. Default pavuk want restore its option when started. This option is available only when compiled with GTK+.
    -schedule $time
    Execute pavuk at the time specified as parameter. The Format of the $time parameter is YYYY.MM.DD.hh.mm. You need a properly configured scheduling with the at command on your system for using this option. If default configuration (at -f %f %t %d.%m.%Y) of scheduling command wan't work on your system, try to adjust it with -sched_cmd option.
    -reschedule $nr
    Execute pavuk periodically with $nr hours period. You need properly configured scheduling with the at command on your system for using this option.
    -sched_cmd $str
    Command to use for scheduling. Pavuk explicitly supports scheduling with at $str should contain regular characters and macros, escaped by % character. Supported macros are:
    %f
     - for script filename
    %t
     - for time (in format HH:MM)

     - all macros as supported by the strftime() function
    -urls_file $file
    If you use this option, pavuk will read URLs from $file before it starts processing. In this file, each URL needs to be on a separate line. After the last URL, a single dot . followed by a LF (line-feed) character denotes the end. Pavuk will start processing right after all URLs have been read. If $file is given as the - character, standard input will be read.
    -store_info/-nostore_info
    This option causes pavuk to store information about each document into a separate file in the .pavuk_info directory. This file is used to store the original URL from which the document was downloaded. For files that are downloaded via HTTP or HTTPS protocols, the whole HTTP response header is stored there. I recommend to use this option when you are using options that change the default layout of the local document tree, because this info file helps pavuk to map the local filename to the URL. This option is also very useful when different URLs have the same filename in the local tree. When this occurs, pavuk detects this using info files, and it will prefix the local name with numbers. At default is disabled storing of this extar informations.
    -info_dir $dir
    You can set with this option location of separate directory for storing info files created when -store_info option is used. This is usefull when you don't wan't to mix in destinantion directory the info files with regular document files. The structure of the info files is preserved, just are stored in different directory.
    -request $req
    With this option you can specify extended informations for starting URLs. With this option you can specify query data for POST or GET . Current syntax of this option is : URL:["]$url["] [METHOD:["]{GET|POST}["]] [ENCODING:["]{u|m}["]] [FIELD:["]variable=value["]] [FILE:["]variable=filename["] [LNAME:["]local_filename["]]

    - URL: specifies request URL - METHOD: specifies request method for URL and is one of GET or POST. - ENCODING: specifies encoding for request body data. m is for multipart/form-data encoding u is for application/x-www-form-urlencoded encoding - FIELD: specifies field of request data in format variable=value. For encoding of special characters in variable and value you can use same encoding as is used in application/x-www-form-urlencoded encoding. - FILE: specifies special field of query, which is used to specify file for POST based file upload. - LNAME: specifies localname for this request
    -formdata $req
    This option gives you chance to specify contents for HTML forms found during traversing document tree.
     Current syntax of this option is same as for -request option, but  ENCODING: and METHOD: are meaningless in this option semantics.
     In URL: you have to specify HTML form action URL, which will be matched against action URLs found in processed HTML documents. If pavuk finds action URL which matches that supplied in -formdata option, pavuk will construct GET or POST request from data suplied in this option and from default form field values supplied in HTML document. Values supplied on commandline have precedence before that supplied in commandline.
    -nthreads $nr
    By means of this option you can specify how many concurrent threads will download documents. Default pavuk executes 3 concurent downloading threads. This option is available only when pavuk is compiled to support multithreading.
    -immesg/-noimmesg
    Default pavuks behaviour when running multiple downloading threads is to buffer all output messages in memory buffer and flush that buffered data just when thread finishes processing of one document. With this option you can change this behaviour to see the messages immediatly when it is produced. It is only usable when you want to debug some specials in multithreading environment. This option is available only when pavuk is compiled to support multithreading.
    -dumpfd $nr
    For scripting is sometimes usable to be able to download document directly to pipe or variable instead of storing it to regular file. In such case you can use this option to dump data for example to stdout ($nr = 1).
    -dump_after/-nodump_after
    While using -dumpfd option in multithreaded pavuk, it is required to dump document in one moment because documents downloaded in multiple threads can overlap. This option is also usefull when you want to dump document after pavuk adjusts links inside HTML documents.
    -dump_response/-nodump_response
    This option have effect only when used with -dumpfd option. It is used to dump HTTP response headers.
    -dump_urlfd $nr
    When you will use this option, pavuk will output all URLs found in HTML documents to file descriptor $nr. You can use this option to extract and convert all URLs to absolute.

     

    Scenario/Task options

    -scenario $str
    name of scenario to load and/or run. Scenarios are files with a structure similiar to the .pavukrc file. Scenarios contain saved configurations. You can use it for periodical mirroring. Parameters from scenarios specified at the command line can be overwritten by command line parameters. To be able to use this option, you need to specify scenario base directory with option -scndir.
    -dumpscn $filename
    Store actual configuration into scenario file with name $filename. This is usefull to quickly create preconfigured scenarios for manual editing.

     

    Directory options

    -msgcat $dir
    directory which contains the message catalog for pavuk. If you do not have permission to store a pavuk message catalog in the system directory, you should simply create similiar structure of directories in your home directory as it is on your system.

    For example:

    Your native language is German, and your home directory is /home/jano.

    You should at first create the directory /home/jano/locales/de/LC_MESSAGES/, then put the German pavuk.mo there and set -msgcat to /home/jano/locales/. If you have properly set locale environment values, you will see pavuk speaking German. This option is available only when you compiled in support for GNU gettext messages internationalization.

    -cdir $dir
    directory where are all retrieved documents are stored. If not specified, the current directory is used. If the specified directory doesn't exist, it will be created.
    -scndir $dir
    directory in which your scenarios are stored. You must use this option when you are loading or storing scenario files.

     

    Preserve options

    -preserve_time/-nopreserve_time
    store downloaded document with same modification time as on the remote site. Modification time will be set only when such information is available (some FTP servers do not support the MDTM command, and some documents on HTTP servers are created online so pavuk can't retrieve the modification time of this document). At default modification time of documents isn't preserved.
    -preserve_perm/-nopreserve_perm
    store downloaded document with the same permissions as on the remote site. This option has effect only when downloading a file through FTP protocol and assumes that the -ftplist option is used. At default permisions are not preserved.
    -preserve_slinks/-nopreserve_slinks
    set symbolic links to point exactly to same location as on the remote server; don't do any relocations. This option has effect only when downloading file through FTP protocol and assumes that the -ftplist option is used. Default symbolic links are not preserved, and are retrieved as regular documents with full contents of linked file.

    For example, assume that on the FTP server ftp.xx.org there is a symbolic link /pub/pavuk/pavuk-current.tgz, which points to /tmp/pub/pavuk-0.9pl11.tgz. Pavuk will create symbolic link ftp/ftp.xx.org_21/pub/pavuk/pavuk-current.tgz
    if option -preserve_slinks will be used this symbolic link will point to /tmp/pub/pavuk-0.9pl11.tgz
    if option -preserve_slinks want be used , this symbolic link will point to
     ../../tmp/pub/pavuk-0.9pl11.tgz

    -retrieve_symlink/-noretrieve_symlink
    Retrieve files behind symbolic links instead of replicating symlinks in local tree.

     

    Proxy options

    -http_proxy $site[:$port]
    if this parameter is used, then all HTTP requests are going through this proxy server. This is useful if your site resides behind a firewall, or if you want to use a HTTP proxy cache server. The default port number is 8080. Pavuk allows you to specify multiple HTTP proxies (using multiple -http_proxy options) and it will rotate proxies with roundrobin priority disabling proxies with errors.
    -nocache/-cache
    use this option whenever you want to get the document directly from the site and not from your HTTP proxy cache server. Default pavuk allows trasfer of document copies from cache.
    -ftp_proxy $site[:$port]
    if this parameter is used, then all FTP requests are going through this proxy server. This is useful when your site resides behind a firewall, or if you want to use FTP proxy cache server. The default port number is 22. Pavuk supports three different types of proxies for FTP, see the options -ftp_httpgw, -ftp_dirtyproxy. If none of the mentioned options is used, then pavuk assumes a regular FTP proxy with USER user@host connecting to remote FTP server.
    -ftp_httpgw/-noftp_httpgw
    the specified FTP proxy is a HTTP gateway for the FTP protocol. Default FTP proxy is reqular FTP proxy.
    -ftp_dirtyproxy/-noftp_dirtyproxy
    the specified FTP proxy is a HTTP proxy which supports a CONNECT request (pavuk should use full FTP protocol, except of active data connections). Default FTP proxy is reqular FTP proxy. If both -ftp_dirtyproxy and -ftp_httpgw are specified, -ftp_dirtyproxy is preferred.
    -gopher_proxy $site[:$port]
    Gopher gateway or proxy/cache server.
    -gopher_httpgw/-nogopher_httpgw
    the specified Gopher proxy server is a HTTP gateway for Gopher protocol. When -gopher_proxy is set and this -gopher_httpgw option isn't used, pavuk is using proxy as HTTP tunell with CONNECT request to open connections to Gopher servers.
    -ssl_proxy $site[:$port]
    SSL proxy (tunneling) server [as that in CERN httpd + patch or in Squid] with enabled CONNECT request (at least on port 443). This option is available only when compiled with SSL support (you need the SSleay or OpenSSL libraries with development headers)

     

    Proxy Authentification

    -http_proxy_user $user
    username for HTTP proxy authentification.
    -http_proxy_pass $pass
    password for HTTP proxy authentification.
    -http_proxy_auth {1/2/3/4/user/Basic/Digest/NTLM}
    authentification scheme for proxy access. Similar meaning as the -auth_scheme option (see help for this option for more details). Default is 2 (Basic scheme).
    -auth_proxy_ntlm_domain $str
    NT or LM domain used for authorization again HTTP proxy server when NTLM authentification scheme is required. This option is available only when compiled with OpenSSL or libdes libraries.
    -auth_reuse_proxy_nonce/-noauth_reuse_proxy_nonce
    when using HTTP Proxy Digest access authentification scheme use first received nonce value in multiple following requests.
    -ftp_proxy_user $user
    username for FTP proxy authentification.
    -ftp_proxy_pass $pass
    password for FTP proxy authentification.

     

    Protocol/Download Options

    -retry $nr
    set the number of attempts to transfer processed document. Default set to 1, this mean pavuk will retry once to get documents which failed on first attempt.
    -nregets $nr
    set the number of allowed regets on a single document, after a broken transfer. Default value for this option is 2.
    -nredirs $nr
    set number of allowed HTTP redirects. (use this for prevention of loops) Default value for this option is 5, and conform to HTTP specification.
    -force_reget/-noforce_reget
    force reget'ing of the whole document after a broken transfer when the server doesn't support retrieving of partial content. Pavuk default behaviour is to stop getting documents which don't allow restarting of transfer from specified position.
    -timeout $nr
    timeout for stalled connections in minutes. This value is also used for connection timeouts. For subminute timeouts you can use floating point numbers. Default timeout is 0, an that means timeout checking is disabled.
    -noRobots/-Robots
    this switch suppresses the use of the robots.txt standard, which is used to restrict access of Web robots to some locations on the web server. Default is allowed checking of robots.txt files on HTTP servers. Enable this option always when you are downloading huge sets of pages with unpredicable layout. This prevens you from upseting server administrators :-).
    -noEnc/-Enc
    this switch supresses using of gzip or compress or deflate encoding in transfer. I don't know if some servers are broken or what, but they are propagating that MIME type application/gzip or application/compress as encoded. Turn this option off, when you doesn't have libz support compiled in and also gzip program which is used to decode document encoded this way. At default is decoding of downloaded document disabled.
    -check_size/-nocheck_size
    the option -nocheck_size should be used if you are trying to download pages from a HTTP server which sends a wrong Content-Length: field in the MIME header of response. Default pavuk behaviour is to check this field and complain when something is wrong.
    -maxrate $nr
    If you don't want to give all your transfer bandwidth to pavuk, use this option to set pavuk's maximum transfer rate. This option accepts a floating point number to specify the transfer rate in kB/s. If you want get optimal settings, you also have to play with the size of the read buffer (option -bufsize) because pavuk is doing flow control only at application level. At default pavuk use full bandwidth.
    -minrate $nr
    If you hate slow transfer rates, this option allows you to break transfers with slow speed. You can set the minimum transfer rate, and if the connection gets slower than the given rate, the transfer will be stopped. The minimum transfer rate is given in kB/s. At default pavuk doesn't check this limit.
    -bufsize $nr
    This option is used to specify the size of the read buffer (default size: 32kB). If you have a very fast connection, you may increase the size of the buffer to get a better read performance. If you need to decrease the transfer rate, you may need to decrease the size of the buffer and set the maximal transfer rate with the -maxrate option. This option accepts the size of the buffer in kB.
    -fs_quota $nr
    If you are running pavuk on a multiuser system, you may need to avoid filling up your file system. This option lets you specify how many space must remain free. If pavuk detects an underrun of the free space, it will stop downloading files. Specify this quota in kB. Default value is 0, and that mean no checking of this quota.
    -file_quota $nr
    This option is useful when you want to limit downloading of big files, but want to download at least $nr kilobytes from big files. A big file will be transferred, and when it reaches the specified size, transfer will break. Such document will be processed as properly downloaded, so be careful when using this option. At default pavuk is transfering full size of documents.
    -trans_quota $nr
    If you are aware that your selection should address a big amount of data, you can use this option to limit the amount of transferred data. Default is by size unlimited transfer.
    -max_time $nr
    Set maximal amount of time for program run. After time is exeeded, pavuk will stop downloading. Time is specified in minutes. Default value is 0, and it means downloading time is not limited.
    -url_strategy $strategy
    This option allows you to specify a downloading order for URLs in document tree. This option accepts the following strings as parameters :

    level - will order URLs as it loads it from HTML files (default)
    leveli - as previous, but inline objects URLs come first
    pre - will insert URLs from actual HTML document at start, before other
    prei - as previous, but inline objects URLs come first
    -send_if_range/-nosend_if_range
    send If-Range: header in HTTP request. I found out, that some HTTP servers (greetings, MS :-)) are sending different ETag: fields in different responses for the same, unchanged document. This causes problems when pavuk attempts to reget a document from such a server: pavuk will remember the old ETag value and uses it it following requests for this document. If the server checks it with the new ETag value and it differs, it will refuse to send only part of the document, and start the download from scratch.
    -ssl_version $v
    Set required SSL protocol version for SSL communication. $v is one of ssl2, ssl23, ssl3 or tls1. This option is available only when compiled with SSL support. Default is ssl23.
    -unique_sslid/-nounique_sslid
    This option can be used if you want to use a unique SSL ID for all SSL sessions. Default pavuk behaviour is to negotiate each time new session ID for each cnnection. This option is available only when compiled with SSL support.
    -use_http11/-nouse_http11
    This option is used to switch between HTTP/1.0 and HTTP/1.1 protocol used with HTTP servers. Now is using of HTTP/1.1 protocol not default because its implementation is very fresh and not 100% tested. Even though using of HTTP/1.1 is very recomended, because it is faster than HTTP/1.0 and uses less network bandwidth for initiating connections. In any further version I will activate using of HTTP/1.1 as default.
    -local_ip $addr
    You can use this option when you want to use specified network interface for communication with other hosts. This option is suitable for multihomed hosts with several network interfaces. Address should be entered as regular IP address or as host name.
    -identity $str
    this option allows you to specify content of User-Agent: field of HTTP request. This is usable, when scripts on remote server returns different document on same URL for different browsers, or if some HTTP server refuse to serve document for Web robots like pavuk. Default pavuk sends in User-Agent: field pavuk/$VERSION string.
    -auto_referer/-noauto_referer
    this option forces pavuk to send HTTP Referer: header field with starting URLs. Content of this field will be self URL. Using this option is required, when remote server checks the Referer: field. At default pavuk wan't send Referer: field with starting URLs.
    -httpad $str
    in some cases you may want to add user defined fields to HTTP/HTTPS requests. This option is exactly for this purpose. In $str you can directly specify content of additional header. If you specify only raw header, it will be used only for starting requests. When you want to use this header whith each request while crawling, prefix the header with + character.
    -del_after/-nodel_after
    This option allows you to delete FILES from REMOTE server, when download is properly finished. At default is this option off.
    -FTPlist/-noFTPlist
    When option -FTPlist will be used, pavuk will retrieve content of FTP directories with FTP command LIST instead of NLST. So the same listing will be retrieved as with "ls -l" UNIX command. This option is required if you need to preserve permisions of remote files or you need to preserve symbolic links. Pavuk supports wide listing on FTP servers with regular BSD or SYSV style "ls -l" directory listing, on FTP servers with EPFL listing format, VMS style listing, DOS/Windows style listing and Novel listing format. Default pavuk behaviour is to use NLST fro FTP diectory listings.
    -ftp_list_options $str
    Some FTP servers require to suply extra options to LIST or NLST FTP commands to show all files and directories properly. But be sure not to use any extra options which can reformat output of the listing. Usefull is especialy -a option which force FTP server to show also dot files and directories and with broken WuFTP servers it also helps to produce full directory listings not just files.
    -fix_wuftpd/-nofix_wuftpd
    This option is result of several attempts to to get working properly the -remove_old option with WuFTPd server when -ftplist option is used. The problem is that FTP command LIST on WuFTPd don't mind when trying to list nonexisting directory, and indicates success in FTP response code. When you activate this option, pavuk uses extra FTP command (STAT -d dir) to check wheter the directory realy exists. Don't use this option until you are sure that you realy need it!

     

    Authentification

    -auth_file $file
    file where you have stored authentification information for access to some service. For file structure see below in FILES section.
    -auth_name $user
    if you are using this parameter, program is doing authentification with each HTTP access to document. Use this only if you know that only one HTTP server could be accessed or use -asite option to specify site to which you use authentification. Else your auth parameters will be sent to each accessed HTTP server.
    -auth_passwd $passwd
    value of this parameter is used as password for authentification
    -auth_scheme {1/2/3/4/user/Basic/Digest/NTLM}
    this parameter specifies used authentification scheme.
    1 or user means user authentification scheme is used as defined in HTTP/1.0 or HTTP/1.1. Password and user name are sent unencoded.
    2 or Basic means Basic authentification scheme is used as defined in HTTP/1.0. Password and user name are sent BASE64 encoded.
    3 or Digest means Digest access authentification scheme based on MD5 checksums as defined in RFC2069.
    4 or NTLM means NTLM proprietary access authentification scheme used by Microsoft IIS or Proxy servers. When you use this scheme, you must also specify NT or LM domain with option -auth_ntlm_domain. This scheme is supported only when compiled with OpenSSL or libdes libraries.
    -auth_ntlm_domain $str
    NT or LM domain used for authorization again HTTP server when NTLM authentification scheme is required. This option is available only when compiled with OpenSSL or libdes libraries.
    -auth_reuse_nonce/-noauth_reuse_nonce
    while using HTTP Digest access authentification scheme use first received nonce value in more following requests. Default pavuk negotiates nonce for each request.
    -ssl_key_file $file
    file with public key for SSL certificate (learn more from SSLeay or OpenSSL documentation) This option is available only when compiled with SSL support (you need SSleay or OpenSSL libraries and development headers)
    -ssl_cert_file $file
    certificate file in PEM format (learn more from SSLeay or OpenSSL documentation) This option is available only when compiled with SSL support (you need SSleay or OpenSSL libraries and development headers)
    -ssl_cer_passwd $str
    password used to generate certificate (learn more from SSLeay or OpenSSL documentation) This option is available only when compiled with SSL support (you need SSLeay or OpenSSL libraries and development headers)
    -from $email
    this parameter is used when accessing anonymous FTP server as password or is optionaly inserted into From field in HTTP request. If not specified pavuk discovers this from USER environment variable and from site hostname.
    -send_from/-nosend_from
    this option is used for enabling or disabling sending of user identification, entered in -from option, as FTP anonymous user password and From: field of HTTP request. As default is this option off.
    -ftp_login_handshake $host $handshake
    When you need to use nonstandard login procedure for some of FTP servers, you can use this option to change default pavuk login procedure. To allow more flexibility, you can assign the login procedure to some server or to all. When $host is specified as empty string (""), than attached login procedure is assigned to all FTP servers besides those having assigned own login procedures. In the $handshake parameter you can specify exact login procedure specified by FTP commands followed by expected FTP response codes delimited with backshlash (\) characters.
    For example this is default login procedure when loging in regular ftp server without going through proxy server : USER %u\331\PASS %p\230. There are two commands followed by two response codes. After USER command pavuk expects FTP response code 331 and after PASS command pavuk expects from server FTP response code 230. In ftp commands you can use following macros which will be replaced by respective values:



     %u - user name used to access FTP server

     %p - password used to access FTP server

     %U - user name used to access FTP proxy server

     %P - password used to access FTP proxy server

     %h - hostname of FTP server

     %s - port number on which FTP server listens

     

    Site/Domain/Port Limitation Options

    -asite $list
    specify comma separated list of allowed sites on which referenced documents are stored.
    -dsite $list
    specify comma separated list of disallowed sites. Previous parameter is opposite to this one. If both are used the last occurrence of them is used to be valid.
    -adomain $list
    specify comma separated list of allowed domains on which referenced documents are stored.
    -ddomain $list
    specify comma separated list of disallowed domains. Previous parameter is opposite to this one. If both are used the last occurrence of them is used to be valid.
    -aport $list
    in $list, you can write comma separated list of ports from which you allow to download documents.
    -dport $list
    This option is opposite option to previous option. It is used to specify denied ports. If both -aport and -dport options are used the last occurrence of them is used to be valid and all othe occurences will be omited.

     

    Limitation Document properties

    -amimet $list
    list of comma separated allowed MIME types. You can use with this option also wildcard patterns.
    -dmimet $list
    list of comma sepparated disallowed MIME types. You can use with this option also wildcard patterns. Previous parameter is opposite to this one. If both are used the last occurrence of them is used to be valid.
    -maxsize $nr
    maximal allowed size of document. This option is applied only when pavuk is able to detect the document before starting the transfer. Default value is 0, and it means this limit isn't applied.
    -minsize $nr
    minimal allowed size of document. This option is applied only when pavuk is able to detect the document before starting the transfer. Default value is 0, and it means this limit isn't applied.
    -newer_than $time
    Allow only transfer of documents with modification time newer than specified in parameter $time. Format of $time is: YYYY.MM.DD.hh:mm. To apply this option pavuk must be able to detect modification time of document.
    -older_than $time
    Allow only transfer of documents with modification time older than specified in parameter $time. Format of $time is: YYYY.MM.DD.hh:mm. To apply this option pavuk must be able to detect modification time of document.
    -noCGI/-CGI
    this switch prevents to transfer dynamically generated parametric documents through CGI interface. This is detected with occurence of ? character inside URL. Default pavuk behaviour is to allow transfer of URLs with query strings.
    -alang $list
    this allows you to specify ordered comma separated list of preferred natural languages. This option work only with HTTP and HTTPS protocol using Accept-Language: MIME field.
    -acharset $list
    this options allows you to enter comma separated list of prefered encoding of transfered documents. This works only with HTTP and HTTPS urls and only if such document encodings are located on destination server.
    example: -acharset iso-8859-2,windows-1250,utf8

     

    Limitation Document name

    -asfx $list
    this parameter allows you to specify set of suffixes used to restrict selection of documents which will be processed.
    -dsfx $list
    set of suffixes that are used to specify restriction on selection of documents. This one is inverse to previous option. They are segregating each other.
    -aprefix $list , -dprefix $list
    this two options allow you to specify set of allowed or disallowed preffixes of documents. They are segregating each other.
    -pattern $pattern
    this option allows you to specify wildcard pattern for documents. All documents are tested if they match this pattern.
    -rpattern $reg_exp
    this is equal option as previous, but this uses regular expressions. Available only on platforms which have any supported RE implementation.
    -skip_pattern $pattern
    this option allows you to specify wildcard pattern for documents that should be skiped. All documents are tested if they match this pattern.
    -skip_rpattern $reg_exp
    this is equal option as previous, but this uses regular expressions. Available only on platforms which have any supported RE implementation.
    -url_pattern $pattern
    this option allows you to specify wildcard pattern for URLs. All URLs are tested if they match this pattern.
    Example:
    -url_pattern http://\*.idata.sk:\*/~ondrej/\* . this option enables all HTTP URLs from domain .idata.sk on all ports which are located under /~ondrej/.
    -url_rpattern $reg_exp
    this is equal option as previous, but this uses regular expressions. Available only on platforms which have any supported RE implementation.
    -skip_url_pattern $pattern
    this option allows you to specify wildcard pattern for URLs that should be skiped. All URLs are tested if they match this pattern.
    -skip_url_rpattern $reg_exp
    this is equal option as previous, but this uses regular expressions. Available only on platforms which have any supported RE implementation.
    -aip_pattern $re
    this option allows you to limit set of transferred documents by server IP address. IP address can be specified as regular expressions, so it is posible to specify set of IP addresses by one expression. Available only on platforms which have any supported RE implementation.
    -dip_pattern $re
    this option similiar to previous option, but is used to specifiy set of disallowed IP addresses. Available only on platforms which have any supported RE implementation.

     

    Limitation Protocol Option

    -noHTTP/-HTTP
    this switch supresses all transfers through HTTP protocol. Default is transfer trough HTTP enabled.
    -noSSL/-SSL
    this switch supresses all transfers through HTTPS protocol (HTTP protocol over SSL) . Default is transfer trough HTTPS enabled. This option is available only when compiled with SSL support (you need SSleay or OpenSSL libraries and development headers)
    -noGopher/-Gopher
    supress all transfers through Gopher Internet protocol. Default is transfer trough Gopher enabled.
    -noFTP/-FTP
    this switch prevents processing documents allocated on all FTP servers. Default is transfer trough FTP enabled.
    -noFTPS/-FTPS
    this switch prevents processing documents allocated on all FTP servers accesed through SSL. Default is transfer trough FTPS enabled. This option is available only when compiled with SSL support (you need SSleay or OpenSSL libraries and development headers)
    -FTPhtml/-noFTPhtml
    By using of option -FTPhtml you can force pavuk to process HTML files downloaded with FTP protocol. At default pavuk wan't parse HTML files from FTP servers.
    -FTPdir/-noFTPdir
    force recursive processing of FTP directories too. At default is recursive downloading from FTP servers denied.
    -disable_html_tag $TAG,[$ATTRIB][;...]
    -enable_html_tag $TAG,[$ATTRIB][;...] enable or disable processing of particular HTML tags or attributes. At default all supported HTML tags are enabled.

    For example if you don't want to process all images you should use option -disable_html_tag 'IMG,SRC;INPUT,SRC;BODY,BACKGROUND' .

     

    Other Limitation Options

    -subdir $dir
    subdirectory of local tree directory, to limit some of the modes {sync , resumeregets , linkupdate} in its tree scan.
    -dont_leave_site/-leave_site
    (Don't) leave starting site. At default pavuk can span host when recursing through WWW tree.
    -dont_leave_dir/-leave_dir
    (Don't) leave starting directory. If -dont_leave_dir option is used pavuk will stay only in starting directory (including its own subdirectories). At default pavuk can leave starting directories.
    -leave_site_enter_dir/-dont_leave_site_enter_dir
    If you are downloading WWW tree which spans multiple hosts with huge trees, you may want to allow downloading of document which are in directory hierarchy below directory which we visited as first on each site. To obtain this, use option -dont_leave_site_enter_dir. As default pavuk will go also to higher directory levels on that site.
    -lmax $nr
    set maximal allowed level of tree traverse. Default is set to 0, what means that pavuk can traverse at infinitum. As of version 0.8pl1 inline objects of HTML pages are placed at same level as parent HTML page.
    -leave_level $nr
    maximal level of documents outside from site of starting URL. Default is set to 0, and 0 means that checking is not applied.
    -site_level $nr
    maximal level of sites outside from site of starting URL. Default is set to 0, and 0 means that checking is not applied.
    -dmax $nr
    set maximal allowed number of documents that are processed. Default value is 0. That means no restrictions are used in number of processed documents.
    -singlepage/-nosinglepage
    Using option -singlepage allows you to transfer just HTML pages with all its inlined objects (pictures, sounds, frame documents, ...). As default is disabled single page transfer. This option makes -mode singlepage option obsolete.
    -limit_inlines/-dont_limit_inlines
    With this option you can control wheter limiting options apply also to inline objects (pictures, sounds, ...). This is usefull when you want to download specified set of HTML pages with all inline options without any restrictions.

    -user_condition $str
    script or program name for users own conditions. You can write any script which should with exit value decide if download URL or not. Script gets from pavuk any number of options, with this meaning :

    -url $url - processed URL
    -parent $url - any number of parent URLs
    -level $nr - level of this URL from starting URL
    -size $nr - size of requested URL
    -date $datenr - modification time of requested URL in format YYYYMMDDhhmmss

    The exit status 0 of script or program means that current URL should be rejected and nonzero exit status means that URL should be accepted.
    Warning : use user conditions only if required because of big slowdowns caused by forking scripts for each checked URL.

    -follow_cmd $str
    This option allows you to specify script or program which can by its exit status decide wheter to follow URLs from current HTML document. This script will be called after download of each HTML document. The script will get following options as it's parameters:

    -url $url - URL of current HTML document
    -infile $file - local file where is stored HTML document

    The exit status 0 of script or program means that URLs from current document will be disallowed, other exit status means, that pavuk can follow links from current HTML document.

     

    Javascript support

    Support for scripting languages like JavaScript or VBScript in pavuk is done bit hacky way. There is no interpreter for this languages, so not all things will work. Whole support which pavuk have for this scripting languages is based on regular expression patterns specified by user. Pavuk search for this patterns in DOM event attributes of HTML tags, in javascript:... URLs, in inline scripts in HTML documents enclosed between <script></script> tags and in separate javascript files. Support for scripting languages is only available when pavuk is compiled with proper regular expression library (POSIX/GNU/PCRE).
    -enable_js/-disable_js
    this options are used to enable or disable processing of Javascript parts of HTML documents. You must enable this option to be able to use processing of javascript patterns.
    -js_pattern $re
    With this option you are specifying what patterns match interested parts of Javascript for extracting URLs. The parameter must be RE pattern with exactly one subpattern which match exactly the URL part. For example to match URL in following type of javascript expressions :

      document.b1.src='pics/button1_pre.jpg'
    you can use this pattern

      "^document.[a-zA-Z0-9_]*.src[  ]*=[  ]*'(.*)'$"
    -js_transform $p $t $h $a
    This option is similar to previous, but you can use custom transform rules for the URL parts of patterns and also specify the exact HTML tag and attribute where to look for this pattern. The $p is the pattern to match the interested patr of script. The $t is transform rule for the URL, in this parameter the $x parts will be replaced by x-th subpattern of the $p pattern. The $h parameter is exact HTML tag or "*" when this apply to javascript: URLs or DOM event attribs or "" (empty string) when this apply to javascipt body of HTML document or separate JS file. The $a parameter is exact HTML attrib of tag or "" (empty string) when this rule apply to javascipt body.
    -js_transform2 $p $t $h $a
    This option is very similar to previous. The meaning of all parameters is same, just the pattern $p can have only one substring which will be used in the transform rule $t. This is required to allow rewriting of URL parts of the tags and scripts. This option can also be used to force pavuk to recognize HTML targ/attribute pairs which pavuk does not support.

     

    Cookie

    -cookie_file $file
    file where are stored cookie infos. This file must be in Netscape cookie file format (generated with Netscape Navigator or Comunicator ...).
    -cookie_send/-nocookie_send
    use collected cookies in HTTP/HTTPS requests. Pavuk will not send at default cookies.
    -cookie_recv/-nocookie_recv
    store received cookies from HTTP/HTTPS responses into memory cookie cache. At default pavuk will not remember received cookies.
    -cookie_update/-nocookie_update
    update cookie file on disk and synchronize it with changes made by any concurrent processes. At default pavuk will not update cookie file on disk.
    -cookies_max $nr
    maximal number of cookies in memory cookie cache. Default value is 0, and that means no restrictions for cookies number.
    -disabled_cookie_domains $list
    comma-separated list of cookie domains which are permited to send cookies stored into cookie cache
    -cookie_check/-nocookie_check
    check when receiving cookie, if cookie domain is equal to domain of server which sends this cookie. At default pavuk check is server is setting cookies for its domain, and if it tries to set cookie for foreign domain pavuk will complain about that and will reject such cookie.

     

    Filename/URL Conversion Option

    -noRelocate/-Relocate
    this switch prevents the program to rewrite relative URLs to absolute, after HTML document is transfered. Default pavuk behaviour is to maintain link consistence of HTML documents. So always when HTML document is downloaded pavuk will rewrite all URLs to point to local document if it is available and if it is not available it will point to remote document. After documet is properly downloaded, pavuk will update links in HTML documents, which point to this one.
    -all_to_local/-noall_to_local
    this option forces pavuk to change all URLs inside HTML document to local URLs immediately after download of document. Default is this option disabled.
    -sel_to_local/-nosel_to_local
    this option forces pavuk to change all URLs, which acomplish conditions for download, to local inside HTML document immediately afer download of document. I recommend to use this option, when you are sure, that transfer will be without any problems. This option can save a lot of processor time. Default is this option disabled.
    -all_to_remote/-noall_to_remote
    this option forces pavuk to change all URLs inside HTML document to remote URLs immediately after download of document. Default is this option disabled.
    -post_update/-nopost_update
    this option is especily designed to allow in -fnrules option doing rules based on MIME type of document. This option forces pavuk to generate local names for documents just after pavuk knows what is the MIME type of document. This have big impact on the rewriting engine of links inside HTML documents. This otion causes disfunction of other options for controling the link rewriting engine. Use this option only when you know what you are doing :-)

    -tr_del_chr $str
    all chracters found in $str will be deleted from local name of document. $str should contain escape sequences similiar like in tr command:
    \n - newline
    \r - carrriage return
    \t - horizontal tab space
    \0xXX - hexadecimal ASCII value
    [:upper:] - all uppercase letters
    [:lower:] - all lowercase letters
    [:alpha:] - all letters
    [:alnum:] - all letters and digits
    [:digit:] - all digits
    [:xdigit:] - all hexadecimal digits
    [:space:] - all horizontal and vertical whitespaces
    [:blank:] - all horizontal whitespaces
    [:cntrl:] - all control characters
    [:print:] - all printable characters including space
    [:nprint:] - all non printable characters
    [:punct:] - all punctation characters
    [:graph:] - all printable charactes excluding space
    -tr_str_str $str1 $str2
    string $str1 from local name of document will be replaced with $str2.
    -tr_chr_chr $chrset1 $chrset2
    characters from $chrset1 from local name of document will be replaced with corresponding character from $chrset2. $charset1 and $charset2 should have same syntax as $str in -tr_del_chr option.
    -store_name $str
    whan you want to change local filename of first file downloaded with siglepage mode, you should use this option.
    -index_name $str
    with this option you can change directory index name. As default is used _._.html .
    -store_index/-nostore_index
    With option -nostore_index you should deny storing of directory indexes into HTML files.
    -fnrules $t $m $r
    Uff this is quiet powerfull option ! This option is used to flexible change layout of local document tree. It accepts three parameters. First parameter $t is used to say what type is following pattern. F is used for wildcard pattern (uses fnmatch()) and R is used for regular expression pattern (using any supported RE implementation). Second parameter is matching pattern used to select URLs for this rule. If URL match this pattern, then local name for this URL is computed following rules of third parameter. And third parameter is local name building rule. Pavuk now supports two kinds of local name building rules. One is simple based only on simple macros and other more complicated extended rule, which also enables to perform several functions. Recognition between those two kinds of rules is done by looking at first character of rule. In case when first character is '(' , rule is extended and in all other cases it is the simple kind of rule.

    Simple rule should contain literals or escaped macros. Macros are escaped by % character or by $ character.

    Here is list of recognized macros:


    $x - wher x is any positive number. This macro is replaced with x-th substring matched by RE pattern. (if you use this you need to understan RE !)
    %i - is replaced with protocol id (http,https,ftp,gopher)
    %p - is replaced with password. (use this only when usable)
    %u - is replaced with username.
    %h - is replaced with host name.
    %m - is replaced with domain name.
    %r - is replaced with port number.
    %d - is replaced with path to document.
    %n - is replaced with document name.
    %b - is replaced with basename of document (without extension).
    %e - is replaced with extension.
    %s - is replaced with searchstring.
    %M - is replaced with MIME type of document. When you are using this macro, you *must* use also -post_update option alse it won't work.
    %E - is replaced with default extension assigned to MIME type of document. When you are using this macro, you *must* use also -post_update option alse it won't work.
    %x - where x is positive number. This macro is replaced with x-th directory from path to document from begining.
    %-x - where x is positive number. This macro is replaced with x-th directory from path to document from end.

    Here is example. If you want place document into single directories by extension, you should use following fnrules option:
    -fnrules F '*' '/%e/%n'

    Extended rule ever begins with character '('. It uses some kind of LISP like syntax.

    Here are base rules for writing extended rules : - the local filename of of this kind is return value function
    - each function is enclosed inside round braces ()
    - first token right after openinng brace is function name
    - each function have nonzero fixed number of parameters
    - each function returns numeric or string value
    - function parameters are separated by any number of space characters
    - parameter of function shuld be string, number, macro or other function
    - string is ever quoted with "
    - each numeric parameter can be in any encoding supported by strtod() function (octal, decimal, hexadecimal, ...)
    - there is no implicit conversion from number to string
    - each macro is prefixed by % character and is one chracter long
    - each macro is replaced by its string representation from current URL
    - function parameters are typed strictly
    - toplevel function must return string value

    Extended rule supports full set of % escaped macros supported with simple rules, plus two folowing addition macros :
    %U - URL string
    %o - default localname for URL

    Here is description of all supported functions

    sc - concat two string parameters
       - accepts two string parameters
       - returns string value
    ss - substring form string
       - accepts three prameters.
         - first is string from which we want to cut subpart
         - second is number which represents starting position in string
         - third is number which represents ending position in string
       - returns string value
    hsh - compute modulo hash value from string with specified base
       - accepts two parameters
         - first is string for which we are computing the hash value
         - second is numeric value for base of modulo hash
       - returns numeric value
    md5 - compute MD5 checksum for string
       - accepts one string value
       - returns string which represents MD5 checksum
    lo - convert all characters inside string to lower case
       - accepts ane string value
       - returns string value
    up - convert all chracters inside string to upper case
       - accepts one string value
       - returns string value
    ue - encode unsafe characters in string with same encoding which is used for encoding unsafe characters inside URL (%xx) As default are encoded all nonascii values when this function is used.
       - accepts two string values
         - first is string which we want to encode
         - second is string which contains unsafe characters
       - return string value
    dc - delete unwanted characters from string (have similiar functionality as -tr_del_chr option)
       - accepts two string values
         - first is string from which we want delete
         - second is string which contains characters we want to delete.
       - returns string value
    tc - replace character with other character in string (have similiar functionality as -tr_chr_chr option)
       - accepts three string values
         - first is string inside which we want to replace characters
         - second is set of characters which we want to replace
         - third is set of characters with which we are replacing
       - returns string value
    ts - replace some string inside string with any other string (have similiar functionality as -tr_str_str option)
       - accepts three string values
         - first is string inside which we want to replace string
         - second is the from string
         - third is to string
       - returns string value
    spn - calculate initial lenght of string which contains only specified set of characters. (have same functionality as strspn() libc function)
       - accepts two string values
         - first is input string
         - second is set of acceptable characters
       - returns numeric value
    cspn - calculate initial lenght of string which doesn't contain specified set of characters. (have same functionality as strcspn() libc function)
       - accepts two string values
         - first is input string
         - second is set of unacceptable characters
       - returns numeric value
    sl - calculate lenght of string
       - accepts one string value
       - returns numeric value
    ns - convert number to string by format
       - accepts two parameters
         - first parameter is format string same as for printf() function
         - second is number which we want to convert
       - returns string value
    lc - return position of last occurence of specified chracter inside string
       - accepts two string parameters
         - first string which we are searching in
         - second string contains character for which we are looking for
       - returns numeric value
    + - add two numeric values
       - accepts two numeric values
       - returns numeric value
    - - subtract two numeric values
       - accepts two numeric values
       - returns numeric value
    % - modulo addition
       - accepts two numeric values
       - returns numeric value
    * - multiple two numeric values
       - accepts two numeric values
       - returns numeric value
    / - divide two numeric values
       - accepts two numeric values
       - returns numeric value
    rmpar - remove parameter from query string
      - accepts two string
        - first string is string which we are adjusting
        - second paramter is name of prametr which should be removed
      - returns adjusted string
    getval - get query string parameter value
      - accepts two string
        - first string is query string from which to get the parameter
          value (usualy %s)
        - second string is name of parameter for which we want to get
          the value
      - returns value of the parameter or empty string when the parameter
        doesn't exists
    sif - logical decision
      - accepts three parameters
        - first is numeric and when is zero than result of this decision
          is result of second parameter, else result is result of third
          parameter
        - second parameter is string
        - third parameter is string
      - returns string result of decision
    ! - logical not
      - accepts one numeric parameter
      - returns negation of parameter
    & - logical and
      - accept two numeric parameters
      - returns logical and of parameters
    | - logical or
      - accept two numeric parameters
      - returns logical or of parameters
    getext - get file extension
      - accept one sting (filename or path)
      - return string containing extension of parameter
    seq - compare two strings
      - accepts two strings for comparison
      - returns numeric value 0 - if different 1 - if equal

    jsf - execute JavaScript function
      - accepts one string parameter which holds name of
        JavaScript function specified in script loaded with
        -js_script_file option.
      - returns string value equal to return value of
        JavaScript function
      - this function is available only when pavuk is compiled
        with support for JavaScript bindings

    For example, if you are mirroring very huge number of internet sites into same local directory, too much enties in one directory, should cause performance problems. You may use for example hsh or md5 functions to generate one additional level of hash directies based on hostname whit one of following options :

    -fnrules F '*' '(sc (nc "%02d/" (hsh %h 100)) %o)'
    -fnrules F '*' '(sc (ss (md5 %h) 0 2) %o)'

    -base_level $nr
    Number of directory levels to omit in local tree.

    For example when downloading URL ftp://ftp.idata.sk/pub/unix/www/pavuk-0.7pl1.tgz you enter at command line -base_level 4 in local tree will be created www/pavuk-0.7pl1.tgz not ftp/ftp.idata.sk_21/pub/unix/www/pavuk-0.7pl1.tgz as normaly.

    -default_prefix $str
    Default prefix of mirrored directory. This option is used only when you are trying to synchronize content of remote directory which was downloaded using -base_level option. Also you must use directory based synchronization method, not URL based synchronization method. This is especialy usefull, when used in conjunction with -remove_old option.
    -remove_adv/-noremove_adv
    This option is used for turn on/off of removing HTML tags which contains advertisement banners. The banners are not removed from HTML file, but are commented out. Such URLs also will not be downloaded. This option have efect only when used with option -adv_re. Default is turned off. This option is available only when your system have support for one of supported regualar expressions implemattation.
    -adv_re $RE
    This option is used to specify regular expressions for matching URLs of advertisement banners. For example : -adv_re http://ad.doubleclick.net/.* is used to match all files from server ad.doubleclick.net. This option is available only when your system have any supported regualar expressions implementation.
    -unique_name/-nounique_name
    Pavuk as default always attempts to assign to unique URL unique local filename. If this behaviour is not wanted, you can use option -nounique_name to disable this.

     

    Other Options

    -sleep $nr
    this option allows you to specify number of seconds during that the program will be suspended between two transfers. Usefull to deny server overload. Default value for this option is 0.
    -rsleep/-norsleep
    when this option is active, pavuk randomizes the the sleep time between transfers in interval between zero and value speciafied with -sleep option. Default is this option inactive.
    -ddays $nr
    if document has modification time later as $nr days, then in sync mode pavuk attempts to retrieve newer copy of document from remote server. Default value is 0.
    -remove_old/-noremove_old
    remove improper documents (that, which doesn't exist on remote site). This option have effect only when used in directory based sync mode. When used with URL based sync mode, pavuk will not remove any old files which were excluded from document tree and are not referenced in any HTML document. You must also use option -subdir, to let pavuk find files which belongs to current mirror. As default pavuk wan't remove any old files.
    -browser $str
    is used to set your browser command (in URL tree dialog you can use right click to raise menu, from which you can start browser on actualy selected URL). This option is available only when compiled with GTK GUI and with support for URL tree preview.
    -debug/-nodebug
    turns on displaying of debug messages. This option is available only when compiled with -DDEBUG. If -debug option is used pavuk will output verbose information about documents, whole protocol level information, locking informations and more (depends on -debug_level setup). Default is debug mode turned off.
    -debug_level $level
    Set level of required debug informations. $level can be numeric value which represent binary mask for requested debug levels, or comma separated list of supported debug levels. Currently pavuk supports following debug levels :
    html - for HTML parser debuging
    protos - to see server side protocol messages
    protoc - to see client side protocol messages
    procs - to see some special procedure calls
    locks - for debuging of documents locking
    net - for debuging some low level netwok stuff
    misc - for miscelanous unsorted debug messages
    user - for verbose user level messages
    all - request all currently supported debug levels
    mtlock - locking of resources in multithreading environment
    mtthr - launching/weaking/sleeping/stoping of threads in multithreaded environment
    protod - for DEBUGING of POST requests
    limits - for debuging limiting options, you will see the reson why particular URLs are rejected by pavuk and which option caused this.
    -remind_cmd $str
    this option have effect only when running pavuk in reminder mode. To command speciefied with this option pavuk sends result of running reminder mode. There are listed URLs which are changed and URLs which have any errors. Default remind command is "mailx user@server -s \"pavuk reminder result\"" .
    -nscache_dir $dir
    Path to Netscape browser cache directory. If you specify this path, pavuk attempts to find out if you have URL in this cache. If URL is there it will be fetched else pavuk will download it from net. The cache directory index file must be named index.db and must be located in the cache directory. To support this feature, pavuk have to be linked with BerkeleyDB 1.8x .
    -mozcache_dir $dir
    Path to Mozilla browser chache directory. Same functionality as with previous option, just for differnet browser with different cache format. The cache directory must contain cache directory index database with name cache.db. To support this feature, pavuk have to be linked with BerkeleyDB 1.8x .
    -post_cmd $str
    Post-processing command, which will be executed after sucessfull download of document. This command may somehow handle with document. During time of running this command, pavuk leaves actual document locked, so there isn't chance that some other pavuk process will modify document. This postprocessing command will get three additional parameters from pavuk.
    - local name of document
    - 1/0 1 if document is HTML document, 0 if not
    - original URL of this document
    -hack_add_index/-nohack_add_index
    This is bit hacky option. It forces pavuk to add to URL queue also directory indexes of all queued documents. This allow pavuk to download more documents from site, than it is able achive in normal traversing of HTML documents. Bit dirty but usefull in some cases.
    -js_script_file $file
    Pavuk have optinaly builtin JavaScript interpreter to allow high level customization of some internal procedures. Currently you are allowed to customize with your own JavaScript functions two things. You can use it to set precise limiting options, or you can write own functions which can be used inside rules of -fnrules option. With this option you can load JavaScript script with functions into pavuks internal JavaScript interpreter. To learn more about this capabilities read sepearte document jsbind.txt which comes with pavuk sources in toplevel directory. This option is available on when you have compiled pavuk with support for JavaScript bindings.

     

    ENVIRONMENTAL VARIABLES

    USER
    variable is used to construct email address from user and hostname
    LC_* or LANG
    used to set internationalized environment
    PAVUKRC_FILE
    with this variable you can specify alternative location for your pavukrc configuration file.

     

    REQUIRED EXTERNAL PROGRAMS

    at
    is used for scheduling.
    gunzip
    is used to decode gzip or compress encoded documents.
     

    Bugs

    If you find any, please let me know.  

    FILES

    /usr/etc/pavukrc
    ~/.pavukrc
    ~/.pavuk_prefs

    These files are used as default configuration files. You may specify there some constant values like your proxy server or your prefered WWW browser. Configuration options reflect command line options. Not all parameters are suitable for use in default configuration file. You should select only some of them, which you really need.

    File ~/.pavuk_prefs is special file which contains automaticaly stored configuration. This file is used only when runing GUI interface of pavuk and option -prefs is active.

    First (if present) parsed file is /usr/etc/pavukrc then ~/.pavukrc (if present), then ~/.pavuk_prefs (if present). Last the command line is parsed. The precedence is as follows :

    - highest -
    Entered in user interface
    Entered in command line
    ~/.pavuk_prefs
    ~/.pavukrc
    /usr/etc/pavukrc
    - lowest -


    Here is table of config file - command line options pairs.

    MaxLevel: ---> -lmax MaxDocs: ---> -dmax MaxSize: ---> -maxsize MinSize: ---> -minsize SleepBetween: ---> -sleep MaxRetry: ---> -retry MaxRegets: ---> -nregets MaxRedirections: ---> -nredirs CommTimeout: ---> -timeout RegetRollbackAmount: ---> -rollback DocExpiration: ---> -ddays UseCache: ---> -nocache UseRobots: ---> -noRobots AllowFTP: ---> -noFTP AllowHTTP: ---> -noHTTP AllowSSL: ---> -noSSL AllowGopher: ---> -noGopher AllowCGI: ---> -noCGI AllowGZEncoding: ---> -noEnc AllowFTPRecursion: ---> -FTPdir ForceReget: ---> -force_reget Debug: ---> -debug AllowedSites: ---> -asite DisallowedSites: ---> -dsite AllowedDomains: ---> -adomain DisallowedDomains: ---> -ddomain AllowedPrefixes: ---> -aprefix DisallowedPrefixes: ---> -dprefix AllowedSuffixes: ---> -asfx DisallowedSuffixes: ---> -dsfx AllowedMIMETypes: ---> -amimet DisallowedMIMETypes: ---> -dmimet PreferredLanguages: ---> -alang PreferredCharset: ---> -acharset WorkingDir: ---> -cdir WorkingSubDir: ---> -subdir HTTPAuthorizationScheme: ---> -auth_scheme HTTPAuthorizationName: ---> -auth_name HTTPAuthorizationPassword: ---> -auth_passwd AuthReuseDigestNonce: ---> -auth_reuse_nonce SSLCertPassword: ---> -ssl_cert_passwd SSLCertFile: ---> -ssl_cert_file SSLKeyFile: ---> -ssl_key_file EmailAddress: ---> -from MatchPattern: ---> -pattern REMatchPattern: ---> -rpattern SkipMatchPattern: ---> -skip_pattern SkipREMatchPattern: ---> -skip_rpattern URLMatchPattern: ---> -url_pattern URLREMatchPattern: ---> -url_rpattern SkipURLMatchPattern: ---> -skip_url_pattern SkipURLREMatchPattern: ---> -skip_url_rpattern DefaultMode: ---> -mode FTPProxy: ---> -ftp_proxy HTTPProxy: ---> -http_proxy SSLProxy: ---> -ssl_proxy GopherProxy: ---> -gopher_proxy FTPViaHTTPProxy: ---> -ftp_httpgw GopherViaHTTPProxy: ---> -gopher_httpgw HTTPProxyUser: ---> -http_proxy_user HTTPProxyPass: ---> -http_proxy_pass HTTPProxyAuth: ---> -http_proxy_auth AuthReuseProxyDigestNonce: ---> -auth_reuse_proxy_nonce Browser: ---> -browser ScenarioDir: ---> -scndir ShowProgress: ---> -progress XMaxLogSize: ---> -xmaxlog LogFile: ---> -logfile RemoveOldDocuments: ---> -remove_old AuthFile: ---> -auth_file BaseLevel: ---> -base_level FTPDirtyProxy: ---> -ftp_dirtyproxy ActiveFTPData: ---> -ftp_active/-ftp_passive ShowDownloadTime: ---> -stime NLSMessageCatalogDir: ---> -msgcat Quiet: ---> -quiet/-verbose NewerThan: ---> -newer_than OlderThan: ---> -older_than Reschedule: ---> -reschedule DontLeaveSite: ---> -dont_leave_site/-leave_site DontLeaveDir: ---> -dont_leave_dir/-leave_dir PreserveTime: ---> -preserve_time/-nopreserve_time LeaveLevel: ---> -leave_level GUIFont: ---> -gui_font UserCondition: ---> -user_condition CookieFile: ---> -cookie_file CookieSend: ---> -cookie_send/-nocookie_send CookieRecv: ---> -cookie_recv/-nocookie_recv CookieUpdate: ---> -cookie_update/-nocookie_update CookiesMax: ---> -cookies_max CookieCheckDomain: ---> -cookie_check/-nocookie_check DisabledCookieDomains: ---> -disabled_cookie_domains DisableHTMLTag: ---> -disable_html_tag EnableHTMLTag: ---> -enable_html_tag TrDeleteChar: ---> -tr_del_chr TrStrToStr: ---> -tr_str_str TrChrToChr: ---> -tr_chr_chr IndexName: ---> -index_name StoreName: ---> -store_name PreservePermisions: ---> -preserve_perm/-nopreserve_perm PreserveAbsoluteSymlinks: ---> -preserve_slinks/-nopreserve_slinks FTPListCMD: ---> -FTPlist/-noFTPlist MaxRate: ---> -maxrate MinRate: ---> -minrate ReadBufferSize: ---> -bufsize BgMode: ---> -bg/-nobg CheckSize: ---> -check_size/-nocheck_size SLogFile: ---> -slogfile Identity: ---> -identity SendFromHeader: ---> -send_from/-nosend_from RunX: ---> -runX FnameRules: ---> -fnrules StoreDocInfoFiles: ---> -store_info/-nostore_info AllLinksToLocal: ---> -all_to_local/-noall_to_local AllLinksToRemote: ---> -all_to_remote/-noall_to_remote SelectedLinksToLocal: ---> -sel_to_local/-nosel_to_local ReminderCMD: ---> -remind_cmd AutoReferer: ---> -auto_referer/-noauto_referer URLsFile: ---> -urls_file UsePreferences: ---> -prefs/-noprefs FTPhtml: ---> -FTPhtml/-noFTPhtml StoreDirIndexFile: ---> -store_index/-nostore_index Language: ---> -language FileSizeQuota: ---> -file_quota TransferQuota: ---> -trans_quota FSQuota: ---> -fs_quota EnableJS: ---> -enable_js/-disable_js UrlSchedulingStrategy: ---> -url_strategy NetscapeCacheDir: ---> -nscache_dir RemoveAdvertisement: ---> -remove_adv/-noremove_adv AdvBannerRE: ---> -adv_re CheckIfRunnigAtBackground: ---> -check_bg/-nocheck_bg SendIfRange: ---> -send_if_range/-nosend_if_range SchedulingCommand: ---> -sched_cmd UniqueLogName: ---> -unique_log/-nounique_log PostCommand: ---> -post_cmd SSLVersion: ---> -ssl_version UniqueSSLID: ---> -unique_sslid/-nounique_sslid AddHTTPHeader: ---> -httpad StatisticsFile: ---> -statfile WaitOnExit: ---> -ewait AllowedIPAdrressPattern: ---> -aip_pattern DisallowedIPAdrressPattern:---> -dip_pattern SiteLevel: ---> -site_level UseHTTP11: ---> -use_http11 MaxRunTime: ---> -max_time LocalIP: ---> -local_ip RequestInfo: ---> -request HashSize: ---> -hash_size NumberOfThreads: ---> -nthreads ImmediateMessages: ---> -immesg/-noimmsg HTMLFormData: ---> -formdata DumpFD: ---> -dumpfd DumpUrlFD: ---> -dump_urlfd DeleteAfterTransfer: ---> -del_after/-nodel_after UniqueDocName: ---> -unique_name/-nounique_name LeaveSiteEnterDirectory: ---> -leave_site_enter_dir/-dont_leave_site_enter_dir SinglePage: ---> -singlepage/-nosinglepage NTLMAuthorizationDomain: ---> -auth_ntlm_domain NTLMProxyAuthorizationDomain: ---> -auth_proxy_ntlm_domain JavascriptPattern: ---> -js_pattern FollowCommand: ---> -follow_cmd RetrieveSymlinks: ---> -retrieve_symlink/-noretrieve_symlink JSTransform: ---> -js_transform JSTransform2: ---> -js_transform2 FTPProxyUser: ---> -ftp_proxy_user FTPProxyPassword: ---> -ftp_proxy_pass LimitInlineObjects: ---> -limit_inlines/-dont_limit_inlines FTPListOptions: ---> -ftp_list_options FixWuFTPDBrokenLISTcmd: ---> -fix_wuftpd_list/-nofix_wuftpd_list PostUpdate: ---> -post_update/-nopost_update SeparateInfoDir: ---> -info_dir MozillaCacheDir: ---> -mozcache_dir AllowedPorts: ---> -aport DisallowedPorts: ---> -dport HackAddIndex: ---> -hack_add_index/-nohack_add_index URL: ---> one URL (more lines with URL: ... means more URL's)
    line which begins with '#' means comment.
    TrStrToStr: and TrChrToChr: must contain two quoted strings. All parameter names are case insensitive. If here is missing any option, try to look inside config.c source file.

    See pavukrc.sample file for example

    .pavuk_authinfo

    File should contain as many authentification records as you need. Records are separated by any number of empty lines. Parameter name is case insensitive.

    Structure of record:

    Proto: <proto ID> ---> identification of protocol (ftp/http/https/..) - required field Host: <host:[port]> ---> host name - required field User: <user> ---> name of user - optional Pass: <password> ---> password for user - optional Base: <path> ---> base prefix of document path - optional Realm: <name> ---> realm for HTTP authorization - optional NTLMDomain: <domain> ---> NT/LM domain for NTLM authorization - optional Type: <type> ---> HTTP authentification scheme - 1/user - user auth scheme - 2/Basic - Basic auth scheme (default) - 3/Digest - Digest auth scheme - 4/NTLM - NTLM auth scheme - optional
    see pavuk_authinfo.sample file for example
    ~/.pavuk_keys
    this is file where are stored information about configurable menu option shortcuts. This is available only when compiled with Gtk+1.2 and higher.
    ~/.pavuk_remind_db
    this file contains informations about URLs for running in reminder mode. Structure of this file is very easy. Each line contains information abou one URL. first entry in line is last known modification time of URL (stored in time_t format - number of secons from 1.1.1970 GMT). And second entry is URL.

     

    SEE ALSO

    look into ChangeLog file for more informations about new features in particular versions of pavuk.

     

    AUTHOR

    Ondrejicka Stefan, <ondrej@idata.sk>
    Grammatic corrections in this man page by Kai Duebbert <kad@gmx.de>
    Resorted by Sergey Taranenko <star@itk.dp.ua>
    Many corrections by Colin Marquardt.

     

    AVAILABILITY

    pavuk is available via anonymous FTP from ftp://ftp.idata.sk/pub/unix/www/ or from ftp://sunsite.unc.edu/pub/Linux/apps/www/mirroring/. Or via Pavuk HOMEPAGE at http://www.idata.sk/~ondrej/pavuk/


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    Format of supported URLs
    Default mapping of URLs to local filenames
    OPTIONS
    List of options chapters
    Mode
    Help
    Indicate/Logging/Interface options
    Special start
    Scenario/Task options
    Directory options
    Preserve options
    Proxy options
    Proxy Authentification
    Protocol/Download Options
    Authentification
    Site/Domain/Port Limitation Options
    Limitation Document properties
    Limitation Document name
    Limitation Protocol Option
    Other Limitation Options
    Javascript support
    Cookie
    Filename/URL Conversion Option
    Other Options
    ENVIRONMENTAL VARIABLES
    REQUIRED EXTERNAL PROGRAMS
    Bugs
    FILES
    SEE ALSO
    AUTHOR
    AVAILABILITY


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