1 /* Reading/parsing the initialization file.
2 Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GNU Wget.
7 GNU Wget is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GNU Wget is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Wget; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 In addition, as a special exception, the Free Software Foundation
22 gives permission to link the code of its release of Wget with the
23 OpenSSL project's "OpenSSL" library (or with modified versions of it
24 that use the same license as the "OpenSSL" library), and distribute
25 the linked executables. You must obey the GNU General Public License
26 in all respects for all of the code used other than "OpenSSL". If you
27 modify this file, you may extend this exception to your version of the
28 file, but you are not obligated to do so. If you do not wish to do
29 so, delete this exception statement from your version. */
34 #include <sys/types.h>
49 # include <sys/socket.h>
50 # include <netinet/in.h>
52 # include <arpa/inet.h>
66 #include "cookies.h" /* for cookie_jar_delete */
73 extern struct cookie_jar *wget_cookie_jar;
75 /* We want tilde expansion enabled only when reading `.wgetrc' lines;
76 otherwise, it will be performed by the shell. This variable will
77 be set by the wgetrc-reading function. */
79 static int enable_tilde_expansion;
82 #define CMD_DECLARE(func) static int func \
83 PARAMS ((const char *, const char *, void *))
85 CMD_DECLARE (cmd_boolean);
86 CMD_DECLARE (cmd_bytes);
87 CMD_DECLARE (cmd_directory_vector);
88 CMD_DECLARE (cmd_lockable_boolean);
89 CMD_DECLARE (cmd_number);
90 CMD_DECLARE (cmd_number_inf);
91 CMD_DECLARE (cmd_string);
92 CMD_DECLARE (cmd_file);
93 CMD_DECLARE (cmd_directory);
94 CMD_DECLARE (cmd_time);
95 CMD_DECLARE (cmd_vector);
97 CMD_DECLARE (cmd_spec_dirstruct);
98 CMD_DECLARE (cmd_spec_header);
99 CMD_DECLARE (cmd_spec_htmlify);
100 CMD_DECLARE (cmd_spec_mirror);
101 CMD_DECLARE (cmd_spec_progress);
102 CMD_DECLARE (cmd_spec_recursive);
103 CMD_DECLARE (cmd_spec_restrict_file_names);
104 CMD_DECLARE (cmd_spec_useragent);
106 /* List of recognized commands, each consisting of name, closure and function.
107 When adding a new command, simply add it to the list, but be sure to keep the
108 list sorted alphabetically, as comind() depends on it. Also, be sure to add
109 any entries that allocate memory (e.g. cmd_string and cmd_vector guys) to the
110 cleanup() function below. */
114 int (*action) PARAMS ((const char *, const char *, void *));
116 { "accept", &opt.accepts, cmd_vector },
117 { "addhostdir", &opt.add_hostdir, cmd_boolean },
118 { "alwaysrest", &opt.always_rest, cmd_boolean }, /* deprecated */
119 { "background", &opt.background, cmd_boolean },
120 { "backupconverted", &opt.backup_converted, cmd_boolean },
121 { "backups", &opt.backups, cmd_number },
122 { "base", &opt.base_href, cmd_string },
123 { "bindaddress", &opt.bind_address, cmd_string },
124 { "cache", &opt.allow_cache, cmd_boolean },
125 { "continue", &opt.always_rest, cmd_boolean },
126 { "convertlinks", &opt.convert_links, cmd_boolean },
127 { "cookies", &opt.cookies, cmd_boolean },
128 { "cutdirs", &opt.cut_dirs, cmd_number },
130 { "debug", &opt.debug, cmd_boolean },
132 { "deleteafter", &opt.delete_after, cmd_boolean },
133 { "dirprefix", &opt.dir_prefix, cmd_directory },
134 { "dirstruct", NULL, cmd_spec_dirstruct },
135 { "dnscache", &opt.dns_cache, cmd_boolean },
136 { "domains", &opt.domains, cmd_vector },
137 { "dotbytes", &opt.dot_bytes, cmd_bytes },
138 { "dotsinline", &opt.dots_in_line, cmd_number },
139 { "dotspacing", &opt.dot_spacing, cmd_number },
140 { "dotstyle", &opt.dot_style, cmd_string },
142 { "egdfile", &opt.sslegdsock, cmd_file },
144 { "excludedirectories", &opt.excludes, cmd_directory_vector },
145 { "excludedomains", &opt.exclude_domains, cmd_vector },
146 { "followftp", &opt.follow_ftp, cmd_boolean },
147 { "followtags", &opt.follow_tags, cmd_vector },
148 { "forcehtml", &opt.force_html, cmd_boolean },
149 { "ftpproxy", &opt.ftp_proxy, cmd_string },
150 { "glob", &opt.ftp_glob, cmd_boolean },
151 { "header", NULL, cmd_spec_header },
152 { "htmlextension", &opt.html_extension, cmd_boolean },
153 { "htmlify", NULL, cmd_spec_htmlify },
154 { "httpkeepalive", &opt.http_keep_alive, cmd_boolean },
155 { "httppasswd", &opt.http_passwd, cmd_string },
156 { "httpproxy", &opt.http_proxy, cmd_string },
157 { "httpsproxy", &opt.https_proxy, cmd_string },
158 { "httpuser", &opt.http_user, cmd_string },
159 { "ignorelength", &opt.ignore_length, cmd_boolean },
160 { "ignoretags", &opt.ignore_tags, cmd_vector },
161 { "includedirectories", &opt.includes, cmd_directory_vector },
162 { "input", &opt.input_filename, cmd_file },
163 { "killlonger", &opt.kill_longer, cmd_boolean },
164 { "limitrate", &opt.limit_rate, cmd_bytes },
165 { "loadcookies", &opt.cookies_input, cmd_file },
166 { "logfile", &opt.lfilename, cmd_file },
167 { "login", &opt.ftp_acc, cmd_string },
168 { "mirror", NULL, cmd_spec_mirror },
169 { "netrc", &opt.netrc, cmd_boolean },
170 { "noclobber", &opt.noclobber, cmd_boolean },
171 { "noparent", &opt.no_parent, cmd_boolean },
172 { "noproxy", &opt.no_proxy, cmd_vector },
173 { "numtries", &opt.ntry, cmd_number_inf },/* deprecated*/
174 { "outputdocument", &opt.output_document, cmd_file },
175 { "pagerequisites", &opt.page_requisites, cmd_boolean },
176 { "passiveftp", &opt.ftp_pasv, cmd_lockable_boolean },
177 { "passwd", &opt.ftp_pass, cmd_string },
178 { "postdata", &opt.post_data, cmd_string },
179 { "postfile", &opt.post_file_name, cmd_file },
180 { "progress", &opt.progress_type, cmd_spec_progress },
181 { "proxypasswd", &opt.proxy_passwd, cmd_string },
182 { "proxyuser", &opt.proxy_user, cmd_string },
183 { "quiet", &opt.quiet, cmd_boolean },
184 { "quota", &opt.quota, cmd_bytes },
185 { "randomwait", &opt.random_wait, cmd_boolean },
186 { "reclevel", &opt.reclevel, cmd_number_inf },
187 { "recursive", NULL, cmd_spec_recursive },
188 { "referer", &opt.referer, cmd_string },
189 { "reject", &opt.rejects, cmd_vector },
190 { "relativeonly", &opt.relative_only, cmd_boolean },
191 { "removelisting", &opt.remove_listing, cmd_boolean },
192 { "restrictfilenames", NULL, cmd_spec_restrict_file_names },
193 { "retrsymlinks", &opt.retr_symlinks, cmd_boolean },
194 { "retryconnrefused", &opt.retry_connrefused, cmd_boolean },
195 { "robots", &opt.use_robots, cmd_boolean },
196 { "savecookies", &opt.cookies_output, cmd_file },
197 { "saveheaders", &opt.save_headers, cmd_boolean },
198 { "serverresponse", &opt.server_response, cmd_boolean },
199 { "spanhosts", &opt.spanhost, cmd_boolean },
200 { "spider", &opt.spider, cmd_boolean },
202 { "sslcadir", &opt.sslcadir, cmd_directory },
203 { "sslcafile", &opt.sslcafile, cmd_file },
204 { "sslcertfile", &opt.sslcertfile, cmd_file },
205 { "sslcertkey", &opt.sslcertkey, cmd_file },
206 { "sslcerttype", &opt.sslcerttype, cmd_number },
207 { "sslcheckcert", &opt.sslcheckcert, cmd_number },
208 { "sslprotocol", &opt.sslprotocol, cmd_number },
209 #endif /* HAVE_SSL */
210 { "strictcomments", &opt.strict_comments, cmd_boolean },
211 { "timeout", &opt.timeout, cmd_time },
212 { "timestamping", &opt.timestamping, cmd_boolean },
213 { "tries", &opt.ntry, cmd_number_inf },
214 { "useproxy", &opt.use_proxy, cmd_boolean },
215 { "useragent", NULL, cmd_spec_useragent },
216 { "verbose", &opt.verbose, cmd_boolean },
217 { "wait", &opt.wait, cmd_time },
218 { "waitretry", &opt.waitretry, cmd_time }
221 /* Look up COM in the commands[] array and return its index. If COM
222 is not found, -1 is returned. This function uses binary search. */
225 comind (const char *com)
227 int lo = 0, hi = countof (commands) - 1;
231 int mid = (lo + hi) >> 1;
232 int cmp = strcasecmp (com, commands[mid].name);
243 /* Reset the variables to default values. */
249 /* Most of the default values are 0. Just reset everything, and
250 fill in the non-zero values. Note that initializing pointers to
251 NULL this way is technically illegal, but porting Wget to a
252 machine where NULL is not all-zero bit pattern will be the least
253 of the implementors' worries. */
254 memset (&opt, 0, sizeof (opt));
262 opt.ftp_acc = xstrdup ("anonymous");
263 opt.ftp_pass = xstrdup ("-wget@");
267 opt.http_keep_alive = 1;
269 tmp = getenv ("no_proxy");
271 opt.no_proxy = sepstring (tmp);
279 opt.remove_listing = 1;
281 opt.dot_bytes = 1024;
282 opt.dot_spacing = 10;
283 opt.dots_in_line = 50;
287 /* The default for file name restriction defaults to the OS type. */
288 #if !defined(WINDOWS) && !defined(__CYGWIN__)
289 opt.restrict_files_os = restrict_unix;
291 opt.restrict_files_os = restrict_windows;
293 opt.restrict_files_ctrl = 1;
296 /* Return the user's home directory (strdup-ed), or NULL if none is
301 char *home = getenv ("HOME");
306 /* If HOME is not defined, try getting it from the password
308 struct passwd *pwd = getpwuid (getuid ());
309 if (!pwd || !pwd->pw_dir)
314 /* #### Maybe I should grab home_dir from registry, but the best
315 that I could get from there is user's Start menu. It sucks! */
319 return home ? xstrdup (home) : NULL;
322 /* Return the path to the user's .wgetrc. This is either the value of
323 `WGETRC' environment variable, or `$HOME/.wgetrc'.
325 If the `WGETRC' variable exists but the file does not exist, the
326 function will exit(). */
328 wgetrc_file_name (void)
333 /* Try the environment. */
334 env = getenv ("WGETRC");
337 if (!file_exists_p (env))
339 fprintf (stderr, "%s: %s: %s.\n", exec_name, env, strerror (errno));
342 return xstrdup (env);
346 /* If that failed, try $HOME/.wgetrc. */
350 file = (char *)xmalloc (strlen (home) + 1 + strlen (".wgetrc") + 1);
351 sprintf (file, "%s/.wgetrc", home);
355 /* Under Windows, "home" is (for the purposes of this function) the
356 directory where `wget.exe' resides, and `wget.ini' will be used
357 as file name. SYSTEM_WGETRC should not be defined under WINDOWS.
359 It is not as trivial as I assumed, because on 95 argv[0] is full
360 path, but on NT you get what you typed in command line. --dbudor */
364 file = (char *)xmalloc (strlen (home) + strlen ("wget.ini") + 1);
365 sprintf (file, "%swget.ini", home);
371 if (!file_exists_p (file))
379 /* Initialize variables from a wgetrc file */
381 run_wgetrc (const char *file)
387 fp = fopen (file, "rb");
390 fprintf (stderr, _("%s: Cannot read %s (%s).\n"), exec_name,
391 file, strerror (errno));
394 enable_tilde_expansion = 1;
396 while ((line = read_whole_line (fp)))
401 /* Parse the line. */
402 status = parse_line (line, &com, &val);
404 /* If everything is OK, set the value. */
407 if (!setval (com, val))
408 fprintf (stderr, _("%s: Error in %s at line %d.\n"), exec_name,
413 else if (status == 0)
414 fprintf (stderr, _("%s: Error in %s at line %d.\n"), exec_name,
418 enable_tilde_expansion = 0;
422 /* Initialize the defaults and run the system wgetrc and user's own
429 /* Load the hard-coded defaults. */
432 /* If SYSTEM_WGETRC is defined, use it. */
434 if (file_exists_p (SYSTEM_WGETRC))
435 run_wgetrc (SYSTEM_WGETRC);
437 /* Override it with your own, if one exists. */
438 file = wgetrc_file_name ();
441 /* #### We should somehow canonicalize `file' and SYSTEM_WGETRC,
444 if (!strcmp (file, SYSTEM_WGETRC))
446 fprintf (stderr, _("\
447 %s: Warning: Both system and user wgetrc point to `%s'.\n"),
457 /* Parse the line pointed by line, with the syntax:
458 <sp>* command <sp>* = <sp>* value <newline>
459 Uses malloc to allocate space for command and value.
460 If the line is invalid, data is freed and 0 is returned.
467 parse_line (const char *line, char **com, char **val)
469 const char *p = line;
470 const char *orig_comptr, *end;
473 /* Skip whitespace. */
474 while (*p && ISSPACE (*p))
477 /* Don't process empty lines. */
478 if (!*p || *p == '#')
481 for (orig_comptr = p; ISALPHA (*p) || *p == '_' || *p == '-'; p++)
483 /* The next char should be space or '='. */
484 if (!ISSPACE (*p) && (*p != '='))
486 /* Here we cannot use strdupdelim() as we normally would because we
487 want to skip the `-' and `_' characters in the input string. */
488 *com = (char *)xmalloc (p - orig_comptr + 1);
489 for (new_comptr = *com; orig_comptr < p; orig_comptr++)
491 if (*orig_comptr == '_' || *orig_comptr == '-')
493 *new_comptr++ = *orig_comptr;
496 /* If the command is invalid, exit now. */
497 if (comind (*com) == -1)
503 /* Skip spaces before '='. */
504 for (; ISSPACE (*p); p++);
505 /* If '=' not found, bail out. */
511 /* Skip spaces after '='. */
512 for (++p; ISSPACE (*p); p++);
513 /* Get the ending position for VAL by starting with the end of the
514 line and skipping whitespace. */
515 end = line + strlen (line) - 1;
516 while (end > p && ISSPACE (*end))
518 *val = strdupdelim (p, end + 1);
522 /* Set COM to VAL. This is the meat behind processing `.wgetrc'. No
523 fatals -- error signal prints a warning and resets to default
524 value. All error messages are printed to stderr, *not* to
525 opt.lfile, since opt.lfile wasn't even generated yet. */
527 setval (const char *com, const char *val)
536 /* #### Should I just abort()? */
538 fprintf (stderr, _("%s: BUG: unknown command `%s', value `%s'.\n"),
539 exec_name, com, val);
543 return ((*commands[ind].action) (com, val, commands[ind].closure));
546 /* Generic helper functions, for use with `commands'. */
548 static int myatoi PARAMS ((const char *s));
550 /* Store the boolean value from VAL to CLOSURE. COM is ignored,
551 except for error messages. */
553 cmd_boolean (const char *com, const char *val, void *closure)
557 #define LC(x) TOLOWER(x)
559 if ((LC(v[0]) == 'o' && LC(v[1]) == 'n' && !v[2])
561 (LC(v[0]) == 'y' && LC(v[1]) == 'e' && LC(v[2]) == 's' && !v[3])
563 (v[0] == '1' && !v[1]))
564 /* "on", "yes" and "1" mean true. */
566 else if ((LC(v[0]) == 'o' && LC(v[1]) == 'f' && LC(v[2]) == 'f' && !v[3])
568 (LC(v[0]) == 'n' && LC(v[1]) == 'o' && !v[2])
570 (v[0] == '0' && !v[1]))
571 /* "off", "no" and "0" mean false. */
575 fprintf (stderr, _("%s: %s: Please specify on or off.\n"),
580 *(int *)closure = bool_value;
584 /* Store the lockable_boolean {2, 1, 0, -1} value from VAL to CLOSURE. COM is
585 ignored, except for error messages. Values 2 and -1 indicate that once
586 defined, the value may not be changed by successive wgetrc files or
587 command-line arguments.
589 Values: 2 - Enable a particular option for good ("always")
590 1 - Enable an option ("on")
591 0 - Disable an option ("off")
592 -1 - Disable an option for good ("never") */
594 cmd_lockable_boolean (const char *com, const char *val, void *closure)
596 int lockable_boolean_value;
599 * If a config file said "always" or "never", don't allow command line
600 * arguments to override the config file.
602 if (*(int *)closure == -1 || *(int *)closure == 2)
605 if (!strcasecmp (val, "always") || !strcmp (val, "2"))
606 lockable_boolean_value = 2;
607 else if (!strcasecmp (val, "on")
608 || !strcasecmp (val, "yes")
609 || !strcmp (val, "1"))
610 lockable_boolean_value = 1;
611 else if (!strcasecmp (val, "off")
612 || !strcasecmp (val, "no")
613 || !strcmp (val, "0"))
614 lockable_boolean_value = 0;
615 else if (!strcasecmp (val, "never") || !strcmp (val, "-1"))
616 lockable_boolean_value = -1;
619 fprintf (stderr, _("%s: %s: Please specify always, on, off, "
625 *(int *)closure = lockable_boolean_value;
629 /* Set the non-negative integer value from VAL to CLOSURE. With
630 incorrect specification, the number remains unchanged. */
632 cmd_number (const char *com, const char *val, void *closure)
634 int num = myatoi (val);
638 fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
639 exec_name, com, val);
642 *(int *)closure = num;
646 /* Similar to cmd_number(), only accepts `inf' as a synonym for 0. */
648 cmd_number_inf (const char *com, const char *val, void *closure)
650 if (!strcasecmp (val, "inf"))
655 return cmd_number (com, val, closure);
658 /* Copy (strdup) the string at COM to a new location and place a
659 pointer to *CLOSURE. */
661 cmd_string (const char *com, const char *val, void *closure)
663 char **pstring = (char **)closure;
665 FREE_MAYBE (*pstring);
666 *pstring = xstrdup (val);
671 # define ISSEP(c) ((c) == '/')
673 # define ISSEP(c) ((c) == '/' || (c) == '\\')
676 /* Like the above, but handles tilde-expansion when reading a user's
677 `.wgetrc'. In that case, and if VAL begins with `~', the tilde
678 gets expanded to the user's home directory. */
680 cmd_file (const char *com, const char *val, void *closure)
682 char **pstring = (char **)closure;
684 FREE_MAYBE (*pstring);
686 /* #### If VAL is empty, perhaps should set *CLOSURE to NULL. */
688 if (!enable_tilde_expansion || !(*val == '~' && ISSEP (val[1])))
691 *pstring = xstrdup (val);
697 char *home = home_dir ();
701 homelen = strlen (home);
702 while (homelen && ISSEP (home[homelen - 1]))
703 home[--homelen] = '\0';
705 /* Skip the leading "~/". */
706 for (++val; ISSEP (*val); val++)
709 result = xmalloc (homelen + 1 + strlen (val) + 1);
710 memcpy (result, home, homelen);
711 result[homelen] = '/';
712 strcpy (result + homelen + 1, val);
718 /* Convert "\" to "/". */
721 for (s = *pstring; *s; s++)
729 /* Like cmd_file, but strips trailing '/' characters. */
731 cmd_directory (const char *com, const char *val, void *closure)
735 /* Call cmd_file() for tilde expansion and separator
736 canonicalization (backslash -> slash under Windows). These
737 things should perhaps be in a separate function. */
738 if (!cmd_file (com, val, closure))
741 s = *(char **)closure;
743 while (t > s && *--t == '/')
749 /* Merge the vector (array of strings separated with `,') in COM with
750 the vector (NULL-terminated array of strings) pointed to by
753 cmd_vector (const char *com, const char *val, void *closure)
755 char ***pvec = (char ***)closure;
758 *pvec = merge_vecs (*pvec, sepstring (val));
768 cmd_directory_vector (const char *com, const char *val, void *closure)
770 char ***pvec = (char ***)closure;
774 /* Strip the trailing slashes from directories. */
777 seps = sepstring (val);
778 for (t = seps; t && *t; t++)
780 int len = strlen (*t);
781 /* Skip degenerate case of root directory. */
784 if ((*t)[len - 1] == '/')
785 (*t)[len - 1] = '\0';
788 *pvec = merge_vecs (*pvec, seps);
798 /* Set the value stored in VAL to CLOSURE (which should point to a
799 long int), allowing several postfixes, with the following syntax
803 [0-9]+[kK] -> bytes * 1024
804 [0-9]+[mM] -> bytes * 1024 * 1024
807 Anything else is flagged as incorrect, and CLOSURE is unchanged. */
809 cmd_bytes (const char *com, const char *val, void *closure)
812 long *out = (long *)closure;
817 /* Check for "inf". */
818 if (p[0] == 'i' && p[1] == 'n' && p[2] == 'f' && p[3] == '\0')
823 /* Search for digits and construct result. */
824 for (; *p && ISDIGIT (*p); p++)
825 result = (10 * result) + (*p - '0');
826 /* If no digits were found, or more than one character is following
828 if (p == val || (*p != '\0' && *(p + 1) != '\0'))
830 printf (_("%s: Invalid specification `%s'\n"), com, val);
833 /* Search for a designator. */
834 switch (TOLOWER (*p))
845 result *= (long)1024 * 1024;
849 result *= (long)1024 * 1024 * 1024;
852 printf (_("%s: Invalid specification `%s'\n"), com, val);
859 /* Store the value of VAL to *OUT. The value is a time period, by
860 default expressed in seconds. */
863 cmd_time (const char *com, const char *val, void *closure)
865 double result, mult, divider;
866 int seen_dot, seen_digit;
869 const char *end = val + strlen (val);
871 /* Skip trailing whitespace. */
872 while (end > val && ISSPACE (end[-1]))
878 fprintf (stderr, _("%s: Invalid time specification `%s'\n"), com, val);
882 switch (TOLOWER (end[-1]))
885 --end, mult = 1; /* seconds */
888 --end, mult = 60; /* minutes */
891 --end, mult = 3600; /* hours */
894 --end, mult = 86400; /* days */
897 --end, mult = 604800; /* weeks */
900 /* Not a recognized suffix: treat it as part of number, and
905 /* Skip leading and trailing whitespace. */
906 while (val < end && ISSPACE (*val))
908 while (val > end && ISSPACE (end[-1]))
913 /* Poor man's strtod: */
915 seen_dot = seen_digit = 0;
925 result = (10 * result) + (ch - '0');
927 result += (ch - '0') / (divider *= 10);
941 *(double *)closure = result;
945 /* Specialized helper functions, used by `commands' to handle some
946 options specially. */
948 static int check_user_specified_header PARAMS ((const char *));
951 cmd_spec_dirstruct (const char *com, const char *val, void *closure)
953 if (!cmd_boolean (com, val, &opt.dirstruct))
955 /* Since dirstruct behaviour is explicitly changed, no_dirstruct
956 must be affected inversely. */
958 opt.no_dirstruct = 0;
960 opt.no_dirstruct = 1;
965 cmd_spec_header (const char *com, const char *val, void *closure)
969 /* Empty header means reset headers. */
970 FREE_MAYBE (opt.user_header);
971 opt.user_header = NULL;
977 if (!check_user_specified_header (val))
979 fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
980 exec_name, com, val);
983 i = opt.user_header ? strlen (opt.user_header) : 0;
984 opt.user_header = (char *)xrealloc (opt.user_header, i + strlen (val)
986 strcpy (opt.user_header + i, val);
988 opt.user_header[i++] = '\r';
989 opt.user_header[i++] = '\n';
990 opt.user_header[i] = '\0';
996 cmd_spec_htmlify (const char *com, const char *val, void *closure)
998 int flag = cmd_boolean (com, val, &opt.htmlify);
999 if (flag && !opt.htmlify)
1000 opt.remove_listing = 0;
1005 cmd_spec_mirror (const char *com, const char *val, void *closure)
1009 if (!cmd_boolean (com, val, &mirror))
1014 if (!opt.no_dirstruct)
1016 opt.timestamping = 1;
1017 opt.reclevel = INFINITE_RECURSION;
1018 opt.remove_listing = 0;
1024 cmd_spec_progress (const char *com, const char *val, void *closure)
1026 if (!valid_progress_implementation_p (val))
1028 fprintf (stderr, _("%s: %s: Invalid progress type `%s'.\n"),
1029 exec_name, com, val);
1032 FREE_MAYBE (opt.progress_type);
1034 /* Don't call set_progress_implementation here. It will be called
1035 in main() when it becomes clear what the log output is. */
1036 opt.progress_type = xstrdup (val);
1041 cmd_spec_recursive (const char *com, const char *val, void *closure)
1043 if (!cmd_boolean (com, val, &opt.recursive))
1047 if (opt.recursive && !opt.no_dirstruct)
1054 cmd_spec_restrict_file_names (const char *com, const char *val, void *closure)
1056 int restrict_os = opt.restrict_files_os;
1057 int restrict_ctrl = opt.restrict_files_ctrl;
1059 const char *end = strchr (val, ',');
1061 end = val + strlen (val);
1063 #define VAL_IS(string_literal) BOUNDED_EQUAL (val, end, string_literal)
1065 if (VAL_IS ("unix"))
1066 restrict_os = restrict_unix;
1067 else if (VAL_IS ("windows"))
1068 restrict_os = restrict_windows;
1069 else if (VAL_IS ("nocontrol"))
1074 fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
1075 exec_name, com, val);
1083 if (!strcmp (end + 1, "nocontrol"))
1089 opt.restrict_files_os = restrict_os;
1090 opt.restrict_files_ctrl = restrict_ctrl;
1095 cmd_spec_useragent (const char *com, const char *val, void *closure)
1097 /* Just check for empty string and newline, so we don't throw total
1098 junk to the server. */
1099 if (!*val || strchr (val, '\n'))
1101 fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
1102 exec_name, com, val);
1105 opt.useragent = xstrdup (val);
1109 /* Miscellaneous useful routines. */
1111 /* Return the integer value of a positive integer written in S, or -1
1112 if an error was encountered. */
1114 myatoi (const char *s)
1117 const char *orig = s;
1119 for (res = 0; *s && ISDIGIT (*s); s++)
1120 res = 10 * res + (*s - '0');
1121 if (*s || orig == s)
1128 check_user_specified_header (const char *s)
1132 for (p = s; *p && *p != ':' && !ISSPACE (*p); p++);
1133 /* The header MUST contain `:' preceded by at least one
1134 non-whitespace character. */
1135 if (*p != ':' || p == s)
1137 /* The header MUST NOT contain newlines. */
1138 if (strchr (s, '\n'))
1143 void cleanup_html_url PARAMS ((void));
1144 void res_cleanup PARAMS ((void));
1145 void downloaded_files_free PARAMS ((void));
1146 void http_cleanup PARAMS ((void));
1149 /* Free the memory allocated by global variables. */
1153 /* Free external resources, close files, etc. */
1158 /* We're exiting anyway so there's no real need to call free()
1159 hundreds of times. Skipping the frees will make Wget exit
1162 However, when detecting leaks, it's crucial to free() everything
1163 because then you can find the real leaks, i.e. the allocated
1164 memory which grows with the size of the program. */
1167 recursive_cleanup ();
1170 cleanup_html_url ();
1171 downloaded_files_free ();
1173 cookie_jar_delete (wget_cookie_jar);
1176 extern acc_t *netrc_list;
1177 free_netrc (netrc_list);
1179 FREE_MAYBE (opt.lfilename);
1180 FREE_MAYBE (opt.dir_prefix);
1181 FREE_MAYBE (opt.input_filename);
1182 FREE_MAYBE (opt.output_document);
1183 free_vec (opt.accepts);
1184 free_vec (opt.rejects);
1185 free_vec (opt.excludes);
1186 free_vec (opt.includes);
1187 free_vec (opt.domains);
1188 free_vec (opt.follow_tags);
1189 free_vec (opt.ignore_tags);
1190 FREE_MAYBE (opt.progress_type);
1191 xfree (opt.ftp_acc);
1192 FREE_MAYBE (opt.ftp_pass);
1193 FREE_MAYBE (opt.ftp_proxy);
1194 FREE_MAYBE (opt.https_proxy);
1195 FREE_MAYBE (opt.http_proxy);
1196 free_vec (opt.no_proxy);
1197 FREE_MAYBE (opt.useragent);
1198 FREE_MAYBE (opt.referer);
1199 FREE_MAYBE (opt.http_user);
1200 FREE_MAYBE (opt.http_passwd);
1201 FREE_MAYBE (opt.user_header);
1203 FREE_MAYBE (opt.sslcertkey);
1204 FREE_MAYBE (opt.sslcertfile);
1205 #endif /* HAVE_SSL */
1206 FREE_MAYBE (opt.bind_address);
1207 FREE_MAYBE (opt.cookies_input);
1208 FREE_MAYBE (opt.cookies_output);