path: root/src/options.h

/* struct options.
   Copyright (C) 1996-2011, 2015, 2018-2022 Free Software Foundation,
   Inc.

This file is part of GNU Wget.

GNU Wget is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

GNU Wget is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Wget.  If not, see <http://www.gnu.org/licenses/>.

Additional permission under GNU GPL version 3 section 7

If you modify this program, or any covered work, by linking or
combining it with the OpenSSL project's OpenSSL library (or a
modified version of that library), containing parts covered by the
terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
grants you additional permission to convey the resulting work.
Corresponding Source for a non-source form of such a combination
shall include the source code for the parts of OpenSSL used as well
as that of the covered work.  */

enum CHECK_CERT_MODES
{
  CHECK_CERT_OFF,
  CHECK_CERT_ON,
  CHECK_CERT_QUIET
};

struct options
{
  int verbose;                  /* Are we verbose?  (First set to -1,
                                   hence not boolean.) */
  bool quiet;                   /* Are we quiet? */
  int ntry;                     /* Number of tries per URL */
  bool retry_connrefused;       /* Treat CONNREFUSED as non-fatal. */
  bool retry_on_host_error;     /* Treat host errors as non-fatal. */
  char *retry_on_http_error;    /* Treat given HTTP errors as non-fatal. */
  bool background;              /* Whether we should work in background. */
  bool ignore_length;           /* Do we heed content-length at all?  */
  bool recursive;               /* Are we recursive? */
  bool spanhost;                /* Do we span across hosts in
                                   recursion? */
  int  max_redirect;            /* Maximum number of times we'll allow
                                   a page to redirect. */
  bool relative_only;           /* Follow only relative links. */
  bool no_parent;               /* Restrict access to the parent
                                   directory.  */
  int reclevel;                 /* Maximum level of recursion */
  bool dirstruct;               /* Do we build the directory structure
                                   as we go along? */
  bool no_dirstruct;            /* Do we hate dirstruct? */
  int cut_dirs;                 /* Number of directory components to cut. */
  bool add_hostdir;             /* Do we add hostname directory? */
  bool protocol_directories;    /* Whether to prepend "http"/"ftp" to dirs. */
  bool noclobber;               /* Disables clobbering of existing data. */
  bool unlink_requested;        /* remove file before clobbering */
  char *dir_prefix;             /* The top of directory tree */
  char *lfilename;              /* Log filename */
  char *input_filename;         /* Input filename */
#ifdef HAVE_METALINK
  char *input_metalink;         /* Input metalink file */
  int metalink_index;           /* Metalink application/metalink4+xml metaurl ordinal number. */
  bool metalink_over_http;      /* Use Metalink if present in HTTP response */
  char *preferred_location;     /* Preferred location for Metalink resources */
#endif
  char *choose_config;          /* Specified config file */
  bool noconfig;                /* Ignore all config files? */
  bool force_html;              /* Is the input file an HTML file? */

  char *default_page;           /* Alternative default page (index file) */

  bool spider;                  /* Is Wget in spider mode? */

  char **accepts;               /* List of patterns to accept. */
  char **rejects;               /* List of patterns to reject. */
  const char **excludes;        /* List of excluded FTP directories. */
  const char **includes;        /* List of FTP directories to
                                   follow. */
  bool ignore_case;             /* Whether to ignore case when
                                   matching dirs and files */

  char *acceptregex_s;          /* Patterns to accept (a regex string). */
  char *rejectregex_s;          /* Patterns to reject (a regex string). */
  void *acceptregex;            /* Patterns to accept (a regex struct). */
  void *rejectregex;            /* Patterns to reject (a regex struct). */
  enum {
#if defined HAVE_LIBPCRE || HAVE_LIBPCRE2
    regex_type_pcre,
#endif
    regex_type_posix
  } regex_type;                 /* The regex library. */
  void *(*regex_compile_fun)(const char *);             /* Function to compile a regex. */
  bool (*regex_match_fun)(const void *, const char *);  /* Function to match a string to a regex. */

#ifdef HAVE_LIBCARES
  char *bind_dns_address;
  char *dns_servers;
#endif

  char **domains;               /* See host.c */
  char **exclude_domains;
  bool dns_cache;               /* whether we cache DNS lookups. */

  char **follow_tags;           /* List of HTML tags to recursively follow. */
  char **ignore_tags;           /* List of HTML tags to ignore if recursing. */

  bool follow_ftp;              /* Are FTP URL-s followed in recursive
                                   retrieving? */
  bool retr_symlinks;           /* Whether we retrieve symlinks in
                                   FTP. */
  char *output_document;        /* The output file to which the
                                   documents will be printed.  */
  char *warc_filename;          /* WARC output filename */
  char *warc_tempdir;           /* WARC temp dir */
  char *warc_cdx_dedup_filename;/* CDX file to be used for deduplication. */
  wgint warc_maxsize;           /* WARC max archive size */
  bool warc_compression_enabled;/* For GZIP compression. */
  bool warc_digests_enabled;    /* For SHA1 digests. */
  bool warc_cdx_enabled;        /* Create CDX files? */
  bool warc_keep_log;           /* Store the log file in a WARC record. */
  char **warc_user_headers;     /* User-defined WARC header(s). */

  bool enable_xattr;            /* Store metadata in POSIX extended attributes. */

  char *user;                   /* Generic username */
  char *passwd;                 /* Generic password */
  bool ask_passwd;              /* Ask for password? */
  char *use_askpass;           /* value to use for use-askpass if WGET_ASKPASS is not set */

  bool always_rest;             /* Always use REST. */
  wgint start_pos;              /* Start position of a download. */
  char *ftp_user;               /* FTP username */
  char *ftp_passwd;             /* FTP password */
  bool netrc;                   /* Whether to read .netrc. */
  bool ftp_glob;                /* FTP globbing */
  bool ftp_pasv;                /* Passive FTP. */

  char *http_user;              /* HTTP username. */
  char *http_passwd;            /* HTTP password. */
  char **user_headers;          /* User-defined header(s). */
  bool http_keep_alive;         /* whether we use keep-alive */

  bool use_proxy;               /* Do we use proxy? */
  bool allow_cache;             /* Do we allow server-side caching? */
  char *http_proxy, *ftp_proxy, *https_proxy;
  char **no_proxy;
  char *base_href;
  char *progress_type;          /* progress indicator type. */
  int  show_progress;           /* Show only the progress bar */
  bool noscroll;                /* Don't scroll the filename in the progressbar */
  char *proxy_user; /*oli*/
  char *proxy_passwd;

  double read_timeout;          /* The read/write timeout. */
  double dns_timeout;           /* The DNS timeout. */
  double connect_timeout;       /* The connect timeout. */

  bool random_wait;             /* vary from 0 .. wait secs by random()? */
  double wait;                  /* The wait period between retrievals. */
  double waitretry;             /* The wait period between retries. - HEH */
  bool use_robots;              /* Do we heed robots.txt? */

  wgint limit_rate;             /* Limit the download rate to this
                                   many bps. */
  wgint quota;                  /* Maximum file size to download and
                                   store. */

  bool server_response;         /* Do we print server response? */
  bool save_headers;            /* Do we save headers together with
                                   file? */
  bool content_on_error;        /* Do we output the content when the HTTP
                                   status code indicates a server error */

  bool debug;                   /* Debugging on/off */

#ifdef USE_WATT32
  bool wdebug;                  /* Watt-32 tcp/ip debugging on/off */
#endif

  bool timestamping;            /* Whether to use time-stamping. */
  bool if_modified_since;       /* Whether to use conditional get requests.  */

  bool backup_converted;        /* Do we save pre-converted files as *.orig? */
  int backups;                  /* Are numeric backups made? */

  char *useragent;              /* User-Agent string, which can be set
                                   to something other than Wget. */
  char *referer;                /* Naughty Referer, which can be
                                   set to something other than
                                   NULL. */
  bool convert_links;           /* Will the links be converted
                                   locally? */
  bool convert_file_only;       /* Convert only the file portion of the URI (i.e. basename).
                                   Leave everything else untouched. */

  bool remove_listing;          /* Do we remove .listing files
                                   generated by FTP? */
  bool htmlify;                 /* Do we HTML-ify the OS-dependent
                                   listings? */

  char *dot_style;
  wgint dot_bytes;              /* How many bytes in a printing
                                   dot. */
  int dots_in_line;             /* How many dots in one line. */
  int dot_spacing;              /* How many dots between spacings. */

  bool delete_after;            /* Whether the files will be deleted
                                   after download. */

  bool adjust_extension;        /* Use ".html" extension on all text/html? */

  bool page_requisites;         /* Whether we need to download all files
                                   necessary to display a page properly. */
  char *bind_address;           /* What local IP address to bind to. */

#ifdef HAVE_SSL
  enum {
    secure_protocol_auto,
    secure_protocol_sslv2,
    secure_protocol_sslv3,
    secure_protocol_tlsv1,
    secure_protocol_tlsv1_1,
    secure_protocol_tlsv1_2,
    secure_protocol_tlsv1_3,
    secure_protocol_pfs
  } secure_protocol;            /* type of secure protocol to use. */
  int check_cert;               /* whether to validate the server's cert */
  char *cert_file;              /* external client certificate to use. */
  char *private_key;            /* private key file (if not internal). */
  enum keyfile_type {
    keyfile_pem,
    keyfile_asn1
  } cert_type;                  /* type of client certificate file */
  enum keyfile_type
    private_key_type;           /* type of private key file */

  char *ca_directory;           /* CA directory (hash files) */
  char *ca_cert;                /* CA certificate file to use */
  char *crl_file;               /* file with CRLs */

  char *pinnedpubkey;           /* Public key (PEM/DER) file, or any number
                                   of base64 encoded sha256 hashes preceded by
                                   \'sha256//\' and separated by \';\', to verify
                                   peer against */

  char *random_file;            /* file with random data to seed the PRNG */
  char *egd_file;               /* file name of the egd daemon socket */
  bool https_only;              /* whether to follow HTTPS only */
  bool ftps_resume_ssl;
  bool ftps_fallback_to_ftp;
  bool ftps_implicit;
  bool ftps_clear_data_connection;

  char *tls_ciphers_string;
#endif /* HAVE_SSL */

  bool cookies;                 /* whether cookies are used. */
  char *cookies_input;          /* file we're loading the cookies from. */
  char *cookies_output;         /* file we're saving the cookies to. */
  bool keep_badhash;            /* Keep files with checksum mismatch. */
  bool keep_session_cookies;    /* whether session cookies should be
                                   saved and loaded. */

  char *post_data;              /* POST query string */
  char *post_file_name;         /* File to post */
  char *method;                 /* HTTP Method to use in Header */
  char *body_data;              /* HTTP Method Data String */
  char *body_file;              /* HTTP Method File */

  enum {
    restrict_unix,
    restrict_vms,
    restrict_windows
  } restrict_files_os;          /* file name restriction ruleset. */
  bool restrict_files_ctrl;     /* non-zero if control chars in URLs
                                   are restricted from appearing in
                                   generated file names. */
  bool restrict_files_nonascii; /* non-zero if bytes with values greater
                                   than 127 are restricted. */
  enum {
    restrict_no_case_restriction,
    restrict_lowercase,
    restrict_uppercase
  } restrict_files_case;        /* file name case restriction. */

  bool strict_comments;         /* whether strict SGML comments are
                                   enforced.  */

  bool preserve_perm;           /* whether remote permissions are used
                                   or that what is set by umask. */

#ifdef ENABLE_IPV6
  bool ipv4_only;               /* IPv4 connections have been requested. */
  bool ipv6_only;               /* IPv4 connections have been requested. */
#endif
  enum {
    prefer_ipv4,
    prefer_ipv6,
    prefer_none
  } prefer_family;              /* preferred address family when more
                                   than one type is available */

  bool content_disposition;     /* Honor HTTP Content-Disposition header. */
  bool auth_without_challenge;  /* Issue Basic authentication creds without
                                   waiting for a challenge. */

  bool enable_iri;
  char *encoding_remote;
  const char *locale;

  bool trustservernames;
#ifdef __VMS
  int ftp_stmlf;                /* Force Stream_LF format for binary FTP. */
#endif /* def __VMS */

  bool useservertimestamps;     /* Update downloaded files' timestamps to
                                   match those on server? */

  bool show_all_dns_entries;    /* Show all the DNS entries when resolving a
                                   name. */
  bool report_bps;              /*Output bandwidth in bits format*/

#ifdef HAVE_LIBZ
  enum compression_options {
    compression_auto,
    compression_gzip,
    compression_none
  } compression;                /* type of HTTP compression to use */
#endif

  char *rejected_log;           /* The file to log rejected URLS to. */

#ifdef HAVE_HSTS
  bool hsts;
  char *hsts_file;
#endif

  const char *homedir;          /* the homedir of the running process */
  const char *wgetrcfile;       /* the wgetrc file to be loaded */
};

extern struct options opt;