/* Reading/parsing the initialization file.
- Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001, 2003
+ Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001, 2003, 2004
Free Software Foundation, Inc.
This file is part of GNU Wget.
#endif
#include <errno.h>
-#ifdef WINDOWS
-# include <winsock.h>
-#else
-# include <sys/socket.h>
-# include <netinet/in.h>
-#ifndef __BEOS__
-# include <arpa/inet.h>
-#endif
-#endif
-
#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
CMD_DECLARE (cmd_spec_timeout);
CMD_DECLARE (cmd_spec_useragent);
-/* List of recognized commands, each consisting of name, closure and function.
- When adding a new command, simply add it to the list, but be sure to keep the
- list sorted alphabetically, as findcmd() depends on it. Also, be sure to add
- any entries that allocate memory (e.g. cmd_string and cmd_vector guys) to the
+/* List of recognized commands, each consisting of name, closure and
+ function. When adding a new command, simply add it to the list,
+ but be sure to keep the list sorted alphabetically, as
+ command_by_name depends on it. Also, be sure to add any entries
+ that allocate memory (e.g. cmd_string and cmd_vector guys) to the
cleanup() function below. */
+
static struct {
- char *name;
+ const char *name;
void *closure;
int (*action) PARAMS ((const char *, const char *, void *));
} commands[] = {
{ "followftp", &opt.follow_ftp, cmd_boolean },
{ "followtags", &opt.follow_tags, cmd_vector },
{ "forcehtml", &opt.force_html, cmd_boolean },
+ { "ftppasswd", &opt.ftp_pass, cmd_string },
{ "ftpproxy", &opt.ftp_proxy, cmd_string },
{ "glob", &opt.ftp_glob, cmd_boolean },
- { "header", NULL, cmd_spec_header },
+ { "header", &opt.user_headers, cmd_spec_header },
{ "htmlextension", &opt.html_extension, cmd_boolean },
{ "htmlify", NULL, cmd_spec_htmlify },
{ "httpkeepalive", &opt.http_keep_alive, cmd_boolean },
{ "ignorelength", &opt.ignore_length, cmd_boolean },
{ "ignoretags", &opt.ignore_tags, cmd_vector },
{ "includedirectories", &opt.includes, cmd_directory_vector },
+#ifdef ENABLE_IPV6
+ { "inet4only", &opt.ipv4_only, cmd_boolean },
+ { "inet6only", &opt.ipv6_only, cmd_boolean },
+#endif
{ "input", &opt.input_filename, cmd_file },
+ { "keepsessioncookies", &opt.keep_session_cookies, cmd_boolean },
{ "killlonger", &opt.kill_longer, cmd_boolean },
{ "limitrate", &opt.limit_rate, cmd_bytes },
{ "loadcookies", &opt.cookies_input, cmd_file },
{ "outputdocument", &opt.output_document, cmd_file },
{ "pagerequisites", &opt.page_requisites, cmd_boolean },
{ "passiveftp", &opt.ftp_pasv, cmd_lockable_boolean },
- { "passwd", &opt.ftp_pass, cmd_string },
{ "postdata", &opt.post_data, cmd_string },
{ "postfile", &opt.post_file_name, cmd_file },
+ { "preservepermissions", &opt.preserve_perm, cmd_boolean },
{ "progress", &opt.progress_type, cmd_spec_progress },
+ { "protocoldirectories", &opt.protocol_directories, cmd_boolean },
{ "proxypasswd", &opt.proxy_passwd, cmd_string },
{ "proxyuser", &opt.proxy_user, cmd_string },
{ "quiet", &opt.quiet, cmd_boolean },
{ "waitretry", &opt.waitretry, cmd_time }
};
-/* Look up COM in the commands[] array and return its index. If COM
- is not found, -1 is returned. This function uses binary search. */
+/* Look up CMDNAME in the commands[] and return its position in the
+ array. If CMDNAME is not found, return -1. */
static int
-findcmd (const char *com)
+command_by_name (const char *cmdname)
{
+ /* Use binary search for speed. Wget has ~100 commands, which
+ guarantees a worst case performance of 7 string comparisons. */
int lo = 0, hi = countof (commands) - 1;
while (lo <= hi)
{
int mid = (lo + hi) >> 1;
- int cmp = strcasecmp (com, commands[mid].name);
+ int cmp = strcasecmp (cmdname, commands[mid].name);
if (cmp < 0)
hi = mid - 1;
else if (cmp > 0)
opt.dots_in_line = 50;
opt.dns_cache = 1;
+ opt.ftp_pasv = 1;
/* The default for file name restriction defaults to the OS type. */
#if !defined(WINDOWS) && !defined(__CYGWIN__)
return NULL;
home = pwd->pw_dir;
#else /* WINDOWS */
- home = "C:\\";
- /* #### Maybe I should grab home_dir from registry, but the best
- that I could get from there is user's Start menu. It sucks! */
+ /* Under Windows, if $HOME isn't defined, use the directory where
+ `wget.exe' resides. */
+ home = ws_mypath ();
#endif /* WINDOWS */
}
return xstrdup (env);
}
-#ifndef WINDOWS
/* If that failed, try $HOME/.wgetrc. */
home = home_dir ();
if (home)
- {
- file = (char *)xmalloc (strlen (home) + 1 + strlen (".wgetrc") + 1);
- sprintf (file, "%s/.wgetrc", home);
- }
+ file = aprintf ("%s/.wgetrc", home);
xfree_null (home);
-#else /* WINDOWS */
- /* Under Windows, "home" is (for the purposes of this function) the
- directory where `wget.exe' resides, and `wget.ini' will be used
- as file name. SYSTEM_WGETRC should not be defined under WINDOWS.
- It is not as trivial as I assumed, because on 95 argv[0] is full
- path, but on NT you get what you typed in command line. --dbudor */
- home = ws_mypath ();
- if (home)
+#ifdef WINDOWS
+ /* Under Windows, if we still haven't found .wgetrc, look for the file
+ `wget.ini' in the directory where `wget.exe' resides; we do this for
+ backward compatibility with previous versions of Wget.
+ SYSTEM_WGETRC should not be defined under WINDOWS. */
+ if (!file || !file_exists_p (file))
{
- file = (char *)xmalloc (strlen (home) + strlen ("wget.ini") + 1);
- sprintf (file, "%swget.ini", home);
+ xfree_null (file);
+ file = NULL;
+ home = ws_mypath ();
+ if (home)
+ file = aprintf ("%s/wget.ini", home);
}
#endif /* WINDOWS */
}
enable_tilde_expansion = 1;
ln = 1;
- while ((line = read_whole_line (fp)))
+ while ((line = read_whole_line (fp)) != NULL)
{
char *com, *val;
int comind, status;
the command is valid. */
BOUNDED_TO_ALLOCA (cmdstart, cmdend, cmdcopy);
dehyphen (cmdcopy);
- ind = findcmd (cmdcopy);
+ ind = command_by_name (cmdcopy);
if (ind == -1)
return 0;
setval_internal (int comind, const char *com, const char *val)
{
assert (0 <= comind && comind < countof (commands));
+ DEBUGP (("Setting %s (%d) to %s\n", com, comind, val));
return ((*commands[comind].action) (com, val, commands[comind].closure));
}
void
setoptval (const char *com, const char *val)
{
- if (!setval_internal (findcmd (com), com, val))
+ assert (val != NULL);
+ if (!setval_internal (command_by_name (com), com, val))
exit (2);
}
static int
cmd_number (const char *com, const char *val, void *closure)
{
- if (!simple_atoi (val, val + strlen (val), closure))
+ if (!simple_atoi (val, val + strlen (val), closure)
+ || *(int *) closure < 0)
{
fprintf (stderr, _("%s: %s: Invalid number `%s'.\n"),
exec_name, com, val);
}
else
{
- char *result;
int homelen;
char *home = home_dir ();
if (!home)
for (++val; ISSEP (*val); val++)
;
- result = xmalloc (homelen + 1 + strlen (val) + 1);
- memcpy (result, home, homelen);
- result[homelen] = '/';
- strcpy (result + homelen + 1, val);
-
- *pstring = result;
+ *pstring = concat_strings (home, "/", val, (char *) 0);
}
#ifdef WINDOWS
static int simple_atof PARAMS ((const char *, const char *, double *));
-/* Enginge for cmd_bytes and cmd_bytes_large: converts a string such
- as "100k" or "2.5G" to a floating point number. */
+/* Engine for cmd_bytes and cmd_bytes_large: converts a string such as
+ "100k" or "2.5G" to a floating point number. */
static int
parse_bytes_helper (const char *val, double *result)
if (val == end)
return 0;
- if (!simple_atof (val, end, &number))
+ if (!simple_atof (val, end, &number) || number < 0)
return 0;
*result = number * mult;
}
/* Parse VAL as a number and set its value to CLOSURE (which should
- point to a long int).
+ point to a wgint).
By default, the value is assumed to be in bytes. If "K", "M", or
"G" are appended, the value is multiplied with 1<<10, 1<<20, or
exec_name, com, val);
return 0;
}
- *(long *)closure = (long)byte_value;
+ *(wgint *)closure = (wgint)byte_value;
return 1;
}
static int
cmd_spec_header (const char *com, const char *val, void *closure)
{
- if (!*val)
+ if (!check_user_specified_header (val))
{
- /* Empty header means reset headers. */
- xfree_null (opt.user_header);
- opt.user_header = NULL;
- }
- else
- {
- int i;
-
- if (!check_user_specified_header (val))
- {
- fprintf (stderr, _("%s: %s: Invalid header `%s'.\n"),
- exec_name, com, val);
- return 0;
- }
- i = opt.user_header ? strlen (opt.user_header) : 0;
- opt.user_header = (char *)xrealloc (opt.user_header, i + strlen (val)
- + 2 + 1);
- strcpy (opt.user_header + i, val);
- i += strlen (val);
- opt.user_header[i++] = '\r';
- opt.user_header[i++] = '\n';
- opt.user_header[i] = '\0';
+ fprintf (stderr, _("%s: %s: Invalid header `%s'.\n"),
+ exec_name, com, val);
+ return 0;
}
- return 1;
+ return cmd_vector (com, val, closure);
}
static int
\f
/* Miscellaneous useful routines. */
-/* A very simple atoi clone, more portable than strtol and friends,
- but reports errors, unlike atoi. Returns 1 on success, 0 on
- failure. In case of success, stores result to *DEST. */
+/* A very simple atoi clone, more useful than atoi because it works on
+ delimited strings, and has error reportage. Returns 1 on success,
+ 0 on failure. If successful, stores result to *DEST. */
static int
simple_atoi (const char *beg, const char *end, int *dest)
{
int result = 0;
- const char *p;
+ int negative = 0;
+ const char *p = beg;
- if (beg == end)
+ while (p < end && ISSPACE (*p))
+ ++p;
+ if (p < end && (*p == '-' || *p == '+'))
+ {
+ negative = (*p == '-');
+ ++p;
+ }
+ if (p == end)
return 0;
- for (p = beg; p < end && ISDIGIT (*p); p++)
- result = (10 * result) + (*p - '0');
+ /* Read negative numbers in a separate loop because the most
+ negative integer cannot be represented as a positive number. */
+
+ if (!negative)
+ for (; p < end && ISDIGIT (*p); p++)
+ {
+ int next = (10 * result) + (*p - '0');
+ if (next < result)
+ return 0; /* overflow */
+ result = next;
+ }
+ else
+ for (; p < end && ISDIGIT (*p); p++)
+ {
+ int next = (10 * result) - (*p - '0');
+ if (next > result)
+ return 0; /* underflow */
+ result = next;
+ }
if (p != end)
return 0;
{
double result = 0;
+ int negative = 0;
int seen_dot = 0;
int seen_digit = 0;
double divider = 1;
- const char *p;
+ const char *p = beg;
- for (p = beg; p < end; p++)
+ while (p < end && ISSPACE (*p))
+ ++p;
+ if (p < end && (*p == '-' || *p == '+'))
+ {
+ negative = (*p == '-');
+ ++p;
+ }
+
+ for (; p < end; p++)
{
char ch = *p;
if (ISDIGIT (ch))
}
if (!seen_digit)
return 0;
+ if (negative)
+ result = -result;
*dest = result;
return 1;
{
/* Free external resources, close files, etc. */
- if (opt.dfp)
- fclose (opt.dfp);
+ {
+ extern FILE *output_stream;
+ if (output_stream)
+ fclose (output_stream);
+ /* No need to check for error because Wget flushes its output (and
+ checks for errors) after any data arrives. */
+ }
/* We're exiting anyway so there's no real need to call free()
hundreds of times. Skipping the frees will make Wget exit
cleanup_html_url ();
downloaded_files_free ();
host_cleanup ();
- cookie_jar_delete (wget_cookie_jar);
+ if (wget_cookie_jar)
+ cookie_jar_delete (wget_cookie_jar);
{
extern acc_t *netrc_list;