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>
67 #include "cookies.h" /* for cookie_jar_delete */
74 extern struct cookie_jar *wget_cookie_jar;
76 /* We want tilde expansion enabled only when reading `.wgetrc' lines;
77 otherwise, it will be performed by the shell. This variable will
78 be set by the wgetrc-reading function. */
80 static int enable_tilde_expansion;
83 #define CMD_DECLARE(func) static int func \
84 PARAMS ((const char *, const char *, void *))
86 CMD_DECLARE (cmd_boolean);
87 CMD_DECLARE (cmd_bytes);
88 CMD_DECLARE (cmd_directory_vector);
89 CMD_DECLARE (cmd_lockable_boolean);
90 CMD_DECLARE (cmd_number);
91 CMD_DECLARE (cmd_number_inf);
92 CMD_DECLARE (cmd_string);
93 CMD_DECLARE (cmd_file);
94 CMD_DECLARE (cmd_directory);
95 CMD_DECLARE (cmd_time);
96 CMD_DECLARE (cmd_vector);
98 CMD_DECLARE (cmd_spec_dirstruct);
99 CMD_DECLARE (cmd_spec_header);
100 CMD_DECLARE (cmd_spec_htmlify);
101 CMD_DECLARE (cmd_spec_mirror);
102 CMD_DECLARE (cmd_spec_progress);
103 CMD_DECLARE (cmd_spec_recursive);
104 CMD_DECLARE (cmd_spec_restrict_file_names);
105 CMD_DECLARE (cmd_spec_timeout);
106 CMD_DECLARE (cmd_spec_useragent);
108 /* List of recognized commands, each consisting of name, closure and function.
109 When adding a new command, simply add it to the list, but be sure to keep the
110 list sorted alphabetically, as findcmd() depends on it. Also, be sure to add
111 any entries that allocate memory (e.g. cmd_string and cmd_vector guys) to the
112 cleanup() function below. */
116 int (*action) PARAMS ((const char *, const char *, void *));
118 { "accept", &opt.accepts, cmd_vector },
119 { "addhostdir", &opt.add_hostdir, cmd_boolean },
120 { "alwaysrest", &opt.always_rest, cmd_boolean }, /* deprecated */
121 { "background", &opt.background, cmd_boolean },
122 { "backupconverted", &opt.backup_converted, cmd_boolean },
123 { "backups", &opt.backups, cmd_number },
124 { "base", &opt.base_href, cmd_string },
125 { "bindaddress", &opt.bind_address, cmd_string },
126 { "cache", &opt.allow_cache, cmd_boolean },
127 { "connecttimeout", &opt.connect_timeout, cmd_time },
128 { "continue", &opt.always_rest, cmd_boolean },
129 { "convertlinks", &opt.convert_links, cmd_boolean },
130 { "cookies", &opt.cookies, cmd_boolean },
131 { "cutdirs", &opt.cut_dirs, cmd_number },
133 { "debug", &opt.debug, cmd_boolean },
135 { "deleteafter", &opt.delete_after, cmd_boolean },
136 { "dirprefix", &opt.dir_prefix, cmd_directory },
137 { "dirstruct", NULL, cmd_spec_dirstruct },
138 { "dnscache", &opt.dns_cache, cmd_boolean },
139 { "dnstimeout", &opt.dns_timeout, cmd_time },
140 { "domains", &opt.domains, cmd_vector },
141 { "dotbytes", &opt.dot_bytes, cmd_bytes },
142 { "dotsinline", &opt.dots_in_line, cmd_number },
143 { "dotspacing", &opt.dot_spacing, cmd_number },
144 { "dotstyle", &opt.dot_style, cmd_string },
146 { "egdfile", &opt.sslegdsock, cmd_file },
148 { "excludedirectories", &opt.excludes, cmd_directory_vector },
149 { "excludedomains", &opt.exclude_domains, cmd_vector },
150 { "followftp", &opt.follow_ftp, cmd_boolean },
151 { "followtags", &opt.follow_tags, cmd_vector },
152 { "forcehtml", &opt.force_html, cmd_boolean },
153 { "ftpproxy", &opt.ftp_proxy, cmd_string },
154 { "glob", &opt.ftp_glob, cmd_boolean },
155 { "header", NULL, cmd_spec_header },
156 { "htmlextension", &opt.html_extension, cmd_boolean },
157 { "htmlify", NULL, cmd_spec_htmlify },
158 { "httpkeepalive", &opt.http_keep_alive, cmd_boolean },
159 { "httppasswd", &opt.http_passwd, cmd_string },
160 { "httpproxy", &opt.http_proxy, cmd_string },
161 { "httpsproxy", &opt.https_proxy, cmd_string },
162 { "httpuser", &opt.http_user, cmd_string },
163 { "ignorelength", &opt.ignore_length, cmd_boolean },
164 { "ignoretags", &opt.ignore_tags, cmd_vector },
165 { "includedirectories", &opt.includes, cmd_directory_vector },
166 { "input", &opt.input_filename, cmd_file },
167 { "killlonger", &opt.kill_longer, cmd_boolean },
168 { "limitrate", &opt.limit_rate, cmd_bytes },
169 { "loadcookies", &opt.cookies_input, cmd_file },
170 { "logfile", &opt.lfilename, cmd_file },
171 { "login", &opt.ftp_acc, cmd_string },
172 { "mirror", NULL, cmd_spec_mirror },
173 { "netrc", &opt.netrc, cmd_boolean },
174 { "noclobber", &opt.noclobber, cmd_boolean },
175 { "noparent", &opt.no_parent, cmd_boolean },
176 { "noproxy", &opt.no_proxy, cmd_vector },
177 { "numtries", &opt.ntry, cmd_number_inf },/* deprecated*/
178 { "outputdocument", &opt.output_document, cmd_file },
179 { "pagerequisites", &opt.page_requisites, cmd_boolean },
180 { "passiveftp", &opt.ftp_pasv, cmd_lockable_boolean },
181 { "passwd", &opt.ftp_pass, cmd_string },
182 { "postdata", &opt.post_data, cmd_string },
183 { "postfile", &opt.post_file_name, cmd_file },
184 { "progress", &opt.progress_type, cmd_spec_progress },
185 { "proxypasswd", &opt.proxy_passwd, cmd_string },
186 { "proxyuser", &opt.proxy_user, cmd_string },
187 { "quiet", &opt.quiet, cmd_boolean },
188 { "quota", &opt.quota, cmd_bytes },
189 { "randomwait", &opt.random_wait, cmd_boolean },
190 { "readtimeout", &opt.read_timeout, cmd_time },
191 { "reclevel", &opt.reclevel, cmd_number_inf },
192 { "recursive", NULL, cmd_spec_recursive },
193 { "referer", &opt.referer, cmd_string },
194 { "reject", &opt.rejects, cmd_vector },
195 { "relativeonly", &opt.relative_only, cmd_boolean },
196 { "removelisting", &opt.remove_listing, cmd_boolean },
197 { "restrictfilenames", NULL, cmd_spec_restrict_file_names },
198 { "retrsymlinks", &opt.retr_symlinks, cmd_boolean },
199 { "retryconnrefused", &opt.retry_connrefused, cmd_boolean },
200 { "robots", &opt.use_robots, cmd_boolean },
201 { "savecookies", &opt.cookies_output, cmd_file },
202 { "saveheaders", &opt.save_headers, cmd_boolean },
203 { "serverresponse", &opt.server_response, cmd_boolean },
204 { "spanhosts", &opt.spanhost, cmd_boolean },
205 { "spider", &opt.spider, cmd_boolean },
207 { "sslcadir", &opt.sslcadir, cmd_directory },
208 { "sslcafile", &opt.sslcafile, cmd_file },
209 { "sslcertfile", &opt.sslcertfile, cmd_file },
210 { "sslcertkey", &opt.sslcertkey, cmd_file },
211 { "sslcerttype", &opt.sslcerttype, cmd_number },
212 { "sslcheckcert", &opt.sslcheckcert, cmd_number },
213 { "sslprotocol", &opt.sslprotocol, cmd_number },
214 #endif /* HAVE_SSL */
215 { "strictcomments", &opt.strict_comments, cmd_boolean },
216 { "timeout", NULL, cmd_spec_timeout },
217 { "timestamping", &opt.timestamping, cmd_boolean },
218 { "tries", &opt.ntry, cmd_number_inf },
219 { "useproxy", &opt.use_proxy, cmd_boolean },
220 { "useragent", NULL, cmd_spec_useragent },
221 { "verbose", &opt.verbose, cmd_boolean },
222 { "wait", &opt.wait, cmd_time },
223 { "waitretry", &opt.waitretry, cmd_time }
226 /* Look up COM in the commands[] array and return its index. If COM
227 is not found, -1 is returned. This function uses binary search. */
230 findcmd (const char *com)
232 int lo = 0, hi = countof (commands) - 1;
236 int mid = (lo + hi) >> 1;
237 int cmp = strcasecmp (com, commands[mid].name);
248 /* Reset the variables to default values. */
254 /* Most of the default values are 0. Just reset everything, and
255 fill in the non-zero values. Note that initializing pointers to
256 NULL this way is technically illegal, but porting Wget to a
257 machine where NULL is not all-zero bit pattern will be the least
258 of the implementors' worries. */
259 memset (&opt, 0, sizeof (opt));
267 opt.ftp_acc = xstrdup ("anonymous");
268 opt.ftp_pass = xstrdup ("-wget@");
272 opt.http_keep_alive = 1;
274 tmp = getenv ("no_proxy");
276 opt.no_proxy = sepstring (tmp);
279 opt.read_timeout = 900;
282 opt.remove_listing = 1;
284 opt.dot_bytes = 1024;
285 opt.dot_spacing = 10;
286 opt.dots_in_line = 50;
290 /* The default for file name restriction defaults to the OS type. */
291 #if !defined(WINDOWS) && !defined(__CYGWIN__)
292 opt.restrict_files_os = restrict_unix;
294 opt.restrict_files_os = restrict_windows;
296 opt.restrict_files_ctrl = 1;
299 /* Return the user's home directory (strdup-ed), or NULL if none is
304 char *home = getenv ("HOME");
309 /* If HOME is not defined, try getting it from the password
311 struct passwd *pwd = getpwuid (getuid ());
312 if (!pwd || !pwd->pw_dir)
317 /* #### Maybe I should grab home_dir from registry, but the best
318 that I could get from there is user's Start menu. It sucks! */
322 return home ? xstrdup (home) : NULL;
325 /* Return the path to the user's .wgetrc. This is either the value of
326 `WGETRC' environment variable, or `$HOME/.wgetrc'.
328 If the `WGETRC' variable exists but the file does not exist, the
329 function will exit(). */
331 wgetrc_file_name (void)
336 /* Try the environment. */
337 env = getenv ("WGETRC");
340 if (!file_exists_p (env))
342 fprintf (stderr, "%s: %s: %s.\n", exec_name, env, strerror (errno));
345 return xstrdup (env);
349 /* If that failed, try $HOME/.wgetrc. */
353 file = (char *)xmalloc (strlen (home) + 1 + strlen (".wgetrc") + 1);
354 sprintf (file, "%s/.wgetrc", home);
358 /* Under Windows, "home" is (for the purposes of this function) the
359 directory where `wget.exe' resides, and `wget.ini' will be used
360 as file name. SYSTEM_WGETRC should not be defined under WINDOWS.
362 It is not as trivial as I assumed, because on 95 argv[0] is full
363 path, but on NT you get what you typed in command line. --dbudor */
367 file = (char *)xmalloc (strlen (home) + strlen ("wget.ini") + 1);
368 sprintf (file, "%swget.ini", home);
374 if (!file_exists_p (file))
382 static int parse_line PARAMS ((const char *, char **, char **, int *));
383 static int setval_internal PARAMS ((int, const char *, const char *));
385 /* Initialize variables from a wgetrc file. */
388 run_wgetrc (const char *file)
394 fp = fopen (file, "rb");
397 fprintf (stderr, _("%s: Cannot read %s (%s).\n"), exec_name,
398 file, strerror (errno));
401 enable_tilde_expansion = 1;
403 while ((line = read_whole_line (fp)))
408 /* Parse the line. */
409 status = parse_line (line, &com, &val, &comind);
411 /* If everything is OK, set the value. */
414 if (!setval_internal (comind, com, val))
415 fprintf (stderr, _("%s: Error in %s at line %d.\n"), exec_name,
420 else if (status == 0)
421 fprintf (stderr, _("%s: Error in %s at line %d.\n"), exec_name,
425 enable_tilde_expansion = 0;
429 /* Initialize the defaults and run the system wgetrc and user's own
436 /* Load the hard-coded defaults. */
439 /* If SYSTEM_WGETRC is defined, use it. */
441 if (file_exists_p (SYSTEM_WGETRC))
442 run_wgetrc (SYSTEM_WGETRC);
444 /* Override it with your own, if one exists. */
445 file = wgetrc_file_name ();
448 /* #### We should canonicalize `file' and SYSTEM_WGETRC with
449 something like realpath() before comparing them with `strcmp' */
451 if (!strcmp (file, SYSTEM_WGETRC))
453 fprintf (stderr, _("\
454 %s: Warning: Both system and user wgetrc point to `%s'.\n"),
464 /* Remove dashes and underscores from S, modifying S in the
470 char *t = s; /* t - tortoise */
471 char *h = s; /* h - hare */
473 if (*h == '_' || *h == '-')
480 /* Parse the line pointed by line, with the syntax:
481 <sp>* command <sp>* = <sp>* value <newline>
482 Uses malloc to allocate space for command and value.
483 If the line is invalid, data is freed and 0 is returned.
491 parse_line (const char *line, char **com, char **val, int *comind)
494 const char *end = line + strlen (line);
495 const char *cmdstart, *cmdend;
496 const char *valstart, *valend;
501 /* Skip leading and trailing whitespace. */
502 while (*line && ISSPACE (*line))
504 while (end > line && ISSPACE (end[-1]))
507 /* Skip empty lines and comments. */
508 if (!*line || *line == '#')
514 while (p < end && (ISALPHA (*p) || *p == '_' || *p == '-'))
518 /* Skip '=', as well as any space before or after it. */
519 while (p < end && ISSPACE (*p))
521 if (p == end || *p != '=')
524 while (p < end && ISSPACE (*p))
530 /* The line now known to be syntactically correct. Check whether
531 the command is valid. */
532 BOUNDED_TO_ALLOCA (cmdstart, cmdend, cmdcopy);
534 ind = findcmd (cmdcopy);
538 /* The command is valid. Now fill in the values and report success
541 *com = strdupdelim (cmdstart, cmdend);
542 *val = strdupdelim (valstart, valend);
546 /* Run commands[comind].action. */
549 setval_internal (int comind, const char *com, const char *val)
551 assert (0 <= comind && comind < countof (commands));
552 return ((*commands[comind].action) (com, val, commands[comind].closure));
555 /* Run command COM with value VAL. If running the command produces an
556 error, report the error and exit.
558 This is intended to be called from main() with commands not
559 provided by the user, therefore it aborts when an unknown command
560 is encountered. Once the COMIND's are exported to init.h, this
561 function will be changed to accept COMIND directly. */
564 setoptval (const char *com, const char *val)
566 int comind = findcmd (com);
567 assert (comind != -1);
568 if (!setval_internal (comind, com, val))
573 run_command (const char *opt)
577 int status = parse_line (opt, &com, &val, &comind);
580 if (!setval_internal (comind, com, val))
585 else if (status == 0)
587 fprintf (stderr, "Invalid command `%s'\n", opt);
592 /* Generic helper functions, for use with `commands'. */
594 static int myatoi PARAMS ((const char *s));
596 /* Store the boolean value from VAL to CLOSURE. COM is ignored,
597 except for error messages. */
599 cmd_boolean (const char *com, const char *val, void *closure)
603 #define LC(x) TOLOWER(x)
605 if ((LC(v[0]) == 'o' && LC(v[1]) == 'n' && !v[2])
607 (LC(v[0]) == 'y' && LC(v[1]) == 'e' && LC(v[2]) == 's' && !v[3])
609 (v[0] == '1' && !v[1]))
610 /* "on", "yes" and "1" mean true. */
612 else if ((LC(v[0]) == 'o' && LC(v[1]) == 'f' && LC(v[2]) == 'f' && !v[3])
614 (LC(v[0]) == 'n' && LC(v[1]) == 'o' && !v[2])
616 (v[0] == '0' && !v[1]))
617 /* "off", "no" and "0" mean false. */
621 fprintf (stderr, _("%s: %s: Please specify on or off.\n"),
626 *(int *)closure = bool_value;
630 /* Store the lockable_boolean {2, 1, 0, -1} value from VAL to CLOSURE. COM is
631 ignored, except for error messages. Values 2 and -1 indicate that once
632 defined, the value may not be changed by successive wgetrc files or
633 command-line arguments.
635 Values: 2 - Enable a particular option for good ("always")
636 1 - Enable an option ("on")
637 0 - Disable an option ("off")
638 -1 - Disable an option for good ("never") */
640 cmd_lockable_boolean (const char *com, const char *val, void *closure)
642 int lockable_boolean_value;
645 * If a config file said "always" or "never", don't allow command line
646 * arguments to override the config file.
648 if (*(int *)closure == -1 || *(int *)closure == 2)
651 if (!strcasecmp (val, "always") || !strcmp (val, "2"))
652 lockable_boolean_value = 2;
653 else if (!strcasecmp (val, "on")
654 || !strcasecmp (val, "yes")
655 || !strcmp (val, "1"))
656 lockable_boolean_value = 1;
657 else if (!strcasecmp (val, "off")
658 || !strcasecmp (val, "no")
659 || !strcmp (val, "0"))
660 lockable_boolean_value = 0;
661 else if (!strcasecmp (val, "never") || !strcmp (val, "-1"))
662 lockable_boolean_value = -1;
665 fprintf (stderr, _("%s: %s: Please specify always, on, off, "
671 *(int *)closure = lockable_boolean_value;
675 /* Set the non-negative integer value from VAL to CLOSURE. With
676 incorrect specification, the number remains unchanged. */
678 cmd_number (const char *com, const char *val, void *closure)
680 int num = myatoi (val);
684 fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
685 exec_name, com, val);
688 *(int *)closure = num;
692 /* Similar to cmd_number(), only accepts `inf' as a synonym for 0. */
694 cmd_number_inf (const char *com, const char *val, void *closure)
696 if (!strcasecmp (val, "inf"))
701 return cmd_number (com, val, closure);
704 /* Copy (strdup) the string at COM to a new location and place a
705 pointer to *CLOSURE. */
707 cmd_string (const char *com, const char *val, void *closure)
709 char **pstring = (char **)closure;
711 FREE_MAYBE (*pstring);
712 *pstring = xstrdup (val);
717 # define ISSEP(c) ((c) == '/')
719 # define ISSEP(c) ((c) == '/' || (c) == '\\')
722 /* Like the above, but handles tilde-expansion when reading a user's
723 `.wgetrc'. In that case, and if VAL begins with `~', the tilde
724 gets expanded to the user's home directory. */
726 cmd_file (const char *com, const char *val, void *closure)
728 char **pstring = (char **)closure;
730 FREE_MAYBE (*pstring);
732 /* #### If VAL is empty, perhaps should set *CLOSURE to NULL. */
734 if (!enable_tilde_expansion || !(*val == '~' && ISSEP (val[1])))
737 *pstring = xstrdup (val);
743 char *home = home_dir ();
747 homelen = strlen (home);
748 while (homelen && ISSEP (home[homelen - 1]))
749 home[--homelen] = '\0';
751 /* Skip the leading "~/". */
752 for (++val; ISSEP (*val); val++)
755 result = xmalloc (homelen + 1 + strlen (val) + 1);
756 memcpy (result, home, homelen);
757 result[homelen] = '/';
758 strcpy (result + homelen + 1, val);
764 /* Convert "\" to "/". */
767 for (s = *pstring; *s; s++)
775 /* Like cmd_file, but strips trailing '/' characters. */
777 cmd_directory (const char *com, const char *val, void *closure)
781 /* Call cmd_file() for tilde expansion and separator
782 canonicalization (backslash -> slash under Windows). These
783 things should perhaps be in a separate function. */
784 if (!cmd_file (com, val, closure))
787 s = *(char **)closure;
789 while (t > s && *--t == '/')
795 /* Merge the vector (array of strings separated with `,') in COM with
796 the vector (NULL-terminated array of strings) pointed to by
799 cmd_vector (const char *com, const char *val, void *closure)
801 char ***pvec = (char ***)closure;
804 *pvec = merge_vecs (*pvec, sepstring (val));
814 cmd_directory_vector (const char *com, const char *val, void *closure)
816 char ***pvec = (char ***)closure;
820 /* Strip the trailing slashes from directories. */
823 seps = sepstring (val);
824 for (t = seps; t && *t; t++)
826 int len = strlen (*t);
827 /* Skip degenerate case of root directory. */
830 if ((*t)[len - 1] == '/')
831 (*t)[len - 1] = '\0';
834 *pvec = merge_vecs (*pvec, seps);
844 /* Poor man's atof: handles only <digits>.<digits>. Returns 1 on
845 success, 0 on failure. In case of success, stores its result to
849 simple_atof (const char *beg, const char *end, double *dest)
865 result = (10 * result) + (ch - '0');
867 result += (ch - '0') / (divider *= 10);
885 /* Parse VAL as a number and set its value to CLOSURE (which should
886 point to a long int).
888 By default, the value is assumed to be in bytes. If "K", "M", or
889 "G" are appended, the value is multiplied with 1<<10, 1<<20, or
890 1<<30, respectively. Floating point values are allowed and are
891 cast to integer before use. The idea is to be able to use things
892 like 1.5k instead of "1536".
894 The string "inf" is returned as 0.
896 In case of error, 0 is returned and memory pointed to by CLOSURE
897 remains unmodified. */
900 cmd_bytes (const char *com, const char *val, void *closure)
904 const char *end = val + strlen (val);
906 /* Check for "inf". */
907 if (0 == strcmp (val, "inf"))
909 *(long *)closure = 0;
913 /* Strip trailing whitespace. */
914 while (val < end && ISSPACE (end[-1]))
920 fprintf (stderr, _("%s: Invalid byte value `%s'\n"), com, val);
924 switch (TOLOWER (end[-1]))
927 --end, mult = 1L<<10;
930 --end, mult = 1L<<20;
933 --end, mult = 1L<<30;
936 /* Not a recognized suffix: assume it belongs to the number.
937 (If not, atof simple_atof will raise an error.) */
941 /* Skip leading and trailing whitespace. */
942 while (val < end && ISSPACE (*val))
944 while (val < end && ISSPACE (end[-1]))
949 if (!simple_atof (val, end, &number))
952 *(long *)closure = (long)(number * mult);
956 /* Store the value of VAL to *OUT. The value is a time period, by
957 default expressed in seconds, but also accepting suffixes "m", "h",
958 "d", and "w" for minutes, hours, days, and weeks respectively. */
961 cmd_time (const char *com, const char *val, void *closure)
964 const char *end = val + strlen (val);
966 /* Strip trailing whitespace. */
967 while (val < end && ISSPACE (end[-1]))
973 fprintf (stderr, _("%s: Invalid time specification `%s'\n"), com, val);
977 switch (TOLOWER (end[-1]))
980 --end, mult = 1; /* seconds */
983 --end, mult = 60; /* minutes */
986 --end, mult = 3600; /* hours */
989 --end, mult = 86400.0; /* days */
992 --end, mult = 604800.0; /* weeks */
995 /* Not a recognized suffix: assume it belongs to the number.
996 (If not, atof simple_atof will raise an error.) */
1000 /* Skip leading and trailing whitespace. */
1001 while (val < end && ISSPACE (*val))
1003 while (val < end && ISSPACE (end[-1]))
1008 if (!simple_atof (val, end, &number))
1011 *(double *)closure = number * mult;
1015 /* Specialized helper functions, used by `commands' to handle some
1016 options specially. */
1018 static int check_user_specified_header PARAMS ((const char *));
1021 cmd_spec_dirstruct (const char *com, const char *val, void *closure)
1023 if (!cmd_boolean (com, val, &opt.dirstruct))
1025 /* Since dirstruct behaviour is explicitly changed, no_dirstruct
1026 must be affected inversely. */
1028 opt.no_dirstruct = 0;
1030 opt.no_dirstruct = 1;
1035 cmd_spec_header (const char *com, const char *val, void *closure)
1039 /* Empty header means reset headers. */
1040 FREE_MAYBE (opt.user_header);
1041 opt.user_header = NULL;
1047 if (!check_user_specified_header (val))
1049 fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
1050 exec_name, com, val);
1053 i = opt.user_header ? strlen (opt.user_header) : 0;
1054 opt.user_header = (char *)xrealloc (opt.user_header, i + strlen (val)
1056 strcpy (opt.user_header + i, val);
1058 opt.user_header[i++] = '\r';
1059 opt.user_header[i++] = '\n';
1060 opt.user_header[i] = '\0';
1066 cmd_spec_htmlify (const char *com, const char *val, void *closure)
1068 int flag = cmd_boolean (com, val, &opt.htmlify);
1069 if (flag && !opt.htmlify)
1070 opt.remove_listing = 0;
1075 cmd_spec_mirror (const char *com, const char *val, void *closure)
1079 if (!cmd_boolean (com, val, &mirror))
1084 if (!opt.no_dirstruct)
1086 opt.timestamping = 1;
1087 opt.reclevel = INFINITE_RECURSION;
1088 opt.remove_listing = 0;
1094 cmd_spec_progress (const char *com, const char *val, void *closure)
1096 if (!valid_progress_implementation_p (val))
1098 fprintf (stderr, _("%s: %s: Invalid progress type `%s'.\n"),
1099 exec_name, com, val);
1102 FREE_MAYBE (opt.progress_type);
1104 /* Don't call set_progress_implementation here. It will be called
1105 in main() when it becomes clear what the log output is. */
1106 opt.progress_type = xstrdup (val);
1111 cmd_spec_recursive (const char *com, const char *val, void *closure)
1113 if (!cmd_boolean (com, val, &opt.recursive))
1117 if (opt.recursive && !opt.no_dirstruct)
1124 cmd_spec_restrict_file_names (const char *com, const char *val, void *closure)
1126 int restrict_os = opt.restrict_files_os;
1127 int restrict_ctrl = opt.restrict_files_ctrl;
1129 const char *end = strchr (val, ',');
1131 end = val + strlen (val);
1133 #define VAL_IS(string_literal) BOUNDED_EQUAL (val, end, string_literal)
1135 if (VAL_IS ("unix"))
1136 restrict_os = restrict_unix;
1137 else if (VAL_IS ("windows"))
1138 restrict_os = restrict_windows;
1139 else if (VAL_IS ("nocontrol"))
1144 fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
1145 exec_name, com, val);
1153 if (!strcmp (end + 1, "nocontrol"))
1159 opt.restrict_files_os = restrict_os;
1160 opt.restrict_files_ctrl = restrict_ctrl;
1164 /* Set all three timeout values. */
1167 cmd_spec_timeout (const char *com, const char *val, void *closure)
1170 if (!cmd_time (com, val, &value))
1172 opt.read_timeout = value;
1173 opt.connect_timeout = value;
1174 opt.dns_timeout = value;
1179 cmd_spec_useragent (const char *com, const char *val, void *closure)
1181 /* Just check for empty string and newline, so we don't throw total
1182 junk to the server. */
1183 if (!*val || strchr (val, '\n'))
1185 fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
1186 exec_name, com, val);
1189 opt.useragent = xstrdup (val);
1193 /* Miscellaneous useful routines. */
1195 /* Return the integer value of a positive integer written in S, or -1
1196 if an error was encountered. */
1198 myatoi (const char *s)
1201 const char *orig = s;
1203 for (res = 0; *s && ISDIGIT (*s); s++)
1204 res = 10 * res + (*s - '0');
1205 if (*s || orig == s)
1212 check_user_specified_header (const char *s)
1216 for (p = s; *p && *p != ':' && !ISSPACE (*p); p++);
1217 /* The header MUST contain `:' preceded by at least one
1218 non-whitespace character. */
1219 if (*p != ':' || p == s)
1221 /* The header MUST NOT contain newlines. */
1222 if (strchr (s, '\n'))
1227 void cleanup_html_url PARAMS ((void));
1228 void res_cleanup PARAMS ((void));
1229 void downloaded_files_free PARAMS ((void));
1230 void http_cleanup PARAMS ((void));
1233 /* Free the memory allocated by global variables. */
1237 /* Free external resources, close files, etc. */
1242 /* We're exiting anyway so there's no real need to call free()
1243 hundreds of times. Skipping the frees will make Wget exit
1246 However, when detecting leaks, it's crucial to free() everything
1247 because then you can find the real leaks, i.e. the allocated
1248 memory which grows with the size of the program. */
1251 recursive_cleanup ();
1254 cleanup_html_url ();
1255 downloaded_files_free ();
1257 cookie_jar_delete (wget_cookie_jar);
1260 extern acc_t *netrc_list;
1261 free_netrc (netrc_list);
1263 FREE_MAYBE (opt.lfilename);
1264 FREE_MAYBE (opt.dir_prefix);
1265 FREE_MAYBE (opt.input_filename);
1266 FREE_MAYBE (opt.output_document);
1267 free_vec (opt.accepts);
1268 free_vec (opt.rejects);
1269 free_vec (opt.excludes);
1270 free_vec (opt.includes);
1271 free_vec (opt.domains);
1272 free_vec (opt.follow_tags);
1273 free_vec (opt.ignore_tags);
1274 FREE_MAYBE (opt.progress_type);
1275 xfree (opt.ftp_acc);
1276 FREE_MAYBE (opt.ftp_pass);
1277 FREE_MAYBE (opt.ftp_proxy);
1278 FREE_MAYBE (opt.https_proxy);
1279 FREE_MAYBE (opt.http_proxy);
1280 free_vec (opt.no_proxy);
1281 FREE_MAYBE (opt.useragent);
1282 FREE_MAYBE (opt.referer);
1283 FREE_MAYBE (opt.http_user);
1284 FREE_MAYBE (opt.http_passwd);
1285 FREE_MAYBE (opt.user_header);
1287 FREE_MAYBE (opt.sslcertkey);
1288 FREE_MAYBE (opt.sslcertfile);
1289 #endif /* HAVE_SSL */
1290 FREE_MAYBE (opt.bind_address);
1291 FREE_MAYBE (opt.cookies_input);
1292 FREE_MAYBE (opt.cookies_output);