/* Parsing FTP `ls' output.
- Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
-This file is part of Wget.
+This file is part of GNU Wget.
-This program is free software; you can redistribute it and/or modify
+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 2 of the License, or
+the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-This program is distributed in the hope that it will be useful,
+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 this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with Wget. If not, see <http://www.gnu.org/licenses/>.
-#include <config.h>
+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. */
+
+#include "wget.h"
#include <stdio.h>
#include <stdlib.h>
-#ifdef HAVE_STRING_H
-# include <string.h>
-#else
-# include <strings.h>
-#endif
+#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-#include <sys/types.h>
-#include <ctype.h>
#include <errno.h>
-
-#include "wget.h"
+#include <time.h>
#include "utils.h"
#include "ftp.h"
#include "url.h"
+#include "convert.h" /* for html_quote_string prototype */
+#include "retr.h" /* for output_stream */
/* Converts symbolic permissions to number-style ones, e.g. string
rwxr-xr-x to 755. For now, it knows nothing of
{
perms <<= 3;
perms += (((s[0] == 'r') << 2) + ((s[1] == 'w') << 1) +
- (s[2] == 'x' || s[2] == 's'));
+ (s[2] == 'x' || s[2] == 's'));
}
return perms;
}
+/* Cleans a line of text so that it can be consistently parsed. Destroys
+ <CR> and <LF> in case that thay occur at the end of the line and
+ replaces all <TAB> character with <SPACE>. Returns the length of the
+ modified line. */
+static int
+clean_line(char *line)
+{
+ int len = strlen (line);
+ if (!len) return 0;
+ if (line[len - 1] == '\n')
+ line[--len] = '\0';
+ if (!len) return 0;
+ if (line[len - 1] == '\r')
+ line[--len] = '\0';
+ for ( ; *line ; line++ ) if (*line == '\t') *line = ' ';
+ return len;
+}
+
/* Convert the Un*x-ish style directory listing stored in FILE to a
linked list of fileinfo (system-independent) entries. The contents
of FILE are considered to be produced by the standard Unix `ls -la'
The time stamps are stored in a separate variable, time_t
compatible (I hope). The timezones are ignored. */
static struct fileinfo *
-ftp_parse_unix_ls (const char *file)
+ftp_parse_unix_ls (const char *file, int ignore_perms)
{
FILE *fp;
static const char *months[] = {
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
int next, len, i, error, ignore;
- int year, month, day; /* for time analysis */
+ int year, month, day; /* for time analysis */
int hour, min, sec;
struct tm timestruct, *tnow;
time_t timenow;
- char *line, *tok; /* tokenizer */
+ char *line, *tok, *ptok; /* tokenizer */
struct fileinfo *dir, *l, cur; /* list creation */
fp = fopen (file, "rb");
dir = l = NULL;
/* Line loop to end of file: */
- while ((line = read_whole_line (fp)))
+ while ((line = read_whole_line (fp)) != NULL)
{
- DEBUGP (("%s\n", line));
- len = strlen (line);
- /* Destroy <CR><LF> if present. */
- if (len && line[len - 1] == '\n')
- line[--len] = '\0';
- if (len && line[len - 1] == '\r')
- line[--len] = '\0';
-
+ len = clean_line (line);
/* Skip if total... */
if (!strncasecmp (line, "total", 5))
- {
- free (line);
- continue;
- }
+ {
+ xfree (line);
+ continue;
+ }
/* Get the first token (permissions). */
tok = strtok (line, " ");
if (!tok)
- {
- free (line);
- continue;
- }
+ {
+ xfree (line);
+ continue;
+ }
cur.name = NULL;
cur.linkto = NULL;
/* Decide whether we deal with a file or a directory. */
switch (*tok)
- {
- case '-':
- cur.type = FT_PLAINFILE;
- DEBUGP (("PLAINFILE; "));
- break;
- case 'd':
- cur.type = FT_DIRECTORY;
- DEBUGP (("DIRECTORY; "));
- break;
- case 'l':
- cur.type = FT_SYMLINK;
- DEBUGP (("SYMLINK; "));
- break;
- default:
- cur.type = FT_UNKNOWN;
- DEBUGP (("UNKOWN; "));
- break;
- }
-
- cur.perms = symperms (tok + 1);
- DEBUGP (("perms %0o; ", cur.perms));
-
- error = ignore = 0; /* Errnoeous and ignoring entries are
- treated equally for now. */
+ {
+ case '-':
+ cur.type = FT_PLAINFILE;
+ DEBUGP (("PLAINFILE; "));
+ break;
+ case 'd':
+ cur.type = FT_DIRECTORY;
+ DEBUGP (("DIRECTORY; "));
+ break;
+ case 'l':
+ cur.type = FT_SYMLINK;
+ DEBUGP (("SYMLINK; "));
+ break;
+ default:
+ cur.type = FT_UNKNOWN;
+ DEBUGP (("UNKNOWN; "));
+ break;
+ }
+
+ if (ignore_perms)
+ {
+ switch (cur.type)
+ {
+ case FT_PLAINFILE:
+ cur.perms = 0644;
+ break;
+ case FT_DIRECTORY:
+ cur.perms = 0755;
+ break;
+ default:
+ /*cur.perms = 1023;*/ /* #### What is this? --hniksic */
+ cur.perms = 0644;
+ }
+ DEBUGP (("implicit perms %0o; ", cur.perms));
+ }
+ else
+ {
+ cur.perms = symperms (tok + 1);
+ DEBUGP (("perms %0o; ", cur.perms));
+ }
+
+ error = ignore = 0; /* Erroneous and ignoring entries are
+ treated equally for now. */
year = hour = min = sec = 0; /* Silence the compiler. */
month = day = 0;
next = -1;
/* While there are tokens on the line, parse them. Next is the
- number of tokens left until the filename.
-
- Use the month-name token as the "anchor" (the place where the
- position wrt the file name is "known"). When a month name is
- encountered, `next' is set to 5. Also, the preceding
- characters are parsed to get the file size.
-
- This tactic is quite dubious when it comes to
- internationalization issues (non-English month names), but it
- works for now. */
- while ((tok = strtok (NULL, " ")))
- {
- --next;
- if (next < 0) /* a month name was not encountered */
- {
- for (i = 0; i < 12; i++)
- if (!strcmp (tok, months[i]))
- break;
- /* If we got a month, it means the token before it is the
- size, and the filename is three tokens away. */
- if (i != 12)
- {
- char *t = tok - 2;
- long mul = 1;
-
- for (cur.size = 0; t > line && ISDIGIT (*t); mul *= 10, t--)
- cur.size += mul * (*t - '0');
- if (t == line)
- {
- /* Something is seriously wrong. */
- error = 1;
- break;
- }
- month = i;
- next = 5;
- DEBUGP (("month: %s; ", months[month]));
- }
- }
- else if (next == 4) /* days */
- {
- if (tok[1]) /* two-digit... */
- day = 10 * (*tok - '0') + tok[1] - '0';
- else /* ...or one-digit */
- day = *tok - '0';
- DEBUGP (("day: %d; ", day));
- }
- else if (next == 3)
- {
- /* This ought to be either the time, or the year. Let's
- be flexible!
-
- If we have a number x, it's a year. If we have x:y,
- it's hours and minutes. If we have x:y:z, z are
- seconds. */
- year = 0;
- min = hour = sec = 0;
- /* We must deal with digits. */
- if (ISDIGIT (*tok))
- {
- /* Suppose it's year. */
- for (; ISDIGIT (*tok); tok++)
- year = (*tok - '0') + 10 * year;
- if (*tok == ':')
- {
- /* This means these were hours! */
- hour = year;
- year = 0;
- ++tok;
- /* Get the minutes... */
- for (; ISDIGIT (*tok); tok++)
- min = (*tok - '0') + 10 * min;
- if (*tok == ':')
- {
- /* ...and the seconds. */
- ++tok;
- for (; ISDIGIT (*tok); tok++)
- sec = (*tok - '0') + 10 * sec;
- }
- }
- }
- if (year)
- DEBUGP (("year: %d (no tm); ", year));
- else
- DEBUGP (("time: %02d:%02d:%02d (no yr); ", hour, min, sec));
- }
- else if (next == 2) /* The file name */
- {
- int fnlen;
- char *p;
-
- /* Since the file name may contain a SPC, it is possible
- for strtok to handle it wrong. */
- fnlen = strlen (tok);
- if (fnlen < len - (tok - line))
- {
- /* So we have a SPC in the file name. Restore the
- original. */
- tok[fnlen] = ' ';
- /* If the file is a symbolic link, it should have a
- ` -> ' somewhere. */
- if (cur.type == FT_SYMLINK)
- {
- p = strstr (tok, " -> ");
- if (!p)
- {
- error = 1;
- break;
- }
- cur.linkto = xstrdup (p + 4);
- DEBUGP (("link to: %s\n", cur.linkto));
- /* And separate it from the file name. */
- *p = '\0';
- }
- }
- /* If we have the filename, add it to the list of files or
- directories. */
- /* "." and ".." are an exception! */
- if (!strcmp (tok, ".") || !strcmp (tok, ".."))
- {
- DEBUGP (("\nIgnoring `.' and `..'; "));
- ignore = 1;
- break;
- }
- /* Some FTP sites choose to have ls -F as their default
- LIST output, which marks the symlinks with a trailing
- `@', directory names with a trailing `/' and
- executables with a trailing `*'. This is no problem
- unless encountering a symbolic link ending with `@',
- or an executable ending with `*' on a server without
- default -F output. I believe these cases are very
- rare. */
- fnlen = strlen (tok); /* re-calculate `fnlen' */
- cur.name = (char *)xmalloc (fnlen + 1);
- memcpy (cur.name, tok, fnlen + 1);
- if (fnlen)
- {
- if (cur.type == FT_DIRECTORY && cur.name[fnlen - 1] == '/')
- {
- cur.name[fnlen - 1] = '\0';
- DEBUGP (("trailing `/' on dir.\n"));
- }
- else if (cur.type == FT_SYMLINK && cur.name[fnlen - 1] == '@')
- {
- cur.name[fnlen - 1] = '\0';
- DEBUGP (("trailing `@' on link.\n"));
- }
- else if (cur.type == FT_PLAINFILE
- && (cur.perms & 0111)
- && cur.name[fnlen - 1] == '*')
- {
- cur.name[fnlen - 1] = '\0';
- DEBUGP (("trailing `*' on exec.\n"));
- }
- } /* if (fnlen) */
- else
- error = 1;
- break;
- }
- else
- abort ();
- } /* while */
+ number of tokens left until the filename.
+
+ Use the month-name token as the "anchor" (the place where the
+ position wrt the file name is "known"). When a month name is
+ encountered, `next' is set to 5. Also, the preceding
+ characters are parsed to get the file size.
+
+ This tactic is quite dubious when it comes to
+ internationalization issues (non-English month names), but it
+ works for now. */
+ tok = line;
+ while (ptok = tok,
+ (tok = strtok (NULL, " ")) != NULL)
+ {
+ --next;
+ if (next < 0) /* a month name was not encountered */
+ {
+ for (i = 0; i < 12; i++)
+ if (!strcmp (tok, months[i]))
+ break;
+ /* If we got a month, it means the token before it is the
+ size, and the filename is three tokens away. */
+ if (i != 12)
+ {
+ wgint size;
+
+ /* Parse the previous token with str_to_wgint. */
+ if (ptok == line)
+ {
+ /* Something has gone wrong during parsing. */
+ error = 1;
+ break;
+ }
+ errno = 0;
+ size = str_to_wgint (ptok, NULL, 10);
+ if (size == WGINT_MAX && errno == ERANGE)
+ /* Out of range -- ignore the size. #### Should
+ we refuse to start the download. */
+ cur.size = 0;
+ else
+ cur.size = size;
+ DEBUGP (("size: %s; ", number_to_static_string(cur.size)));
+
+ month = i;
+ next = 5;
+ DEBUGP (("month: %s; ", months[month]));
+ }
+ }
+ else if (next == 4) /* days */
+ {
+ if (tok[1]) /* two-digit... */
+ day = 10 * (*tok - '0') + tok[1] - '0';
+ else /* ...or one-digit */
+ day = *tok - '0';
+ DEBUGP (("day: %d; ", day));
+ }
+ else if (next == 3)
+ {
+ /* This ought to be either the time, or the year. Let's
+ be flexible!
+
+ If we have a number x, it's a year. If we have x:y,
+ it's hours and minutes. If we have x:y:z, z are
+ seconds. */
+ year = 0;
+ min = hour = sec = 0;
+ /* We must deal with digits. */
+ if (c_isdigit (*tok))
+ {
+ /* Suppose it's year. */
+ for (; c_isdigit (*tok); tok++)
+ year = (*tok - '0') + 10 * year;
+ if (*tok == ':')
+ {
+ /* This means these were hours! */
+ hour = year;
+ year = 0;
+ ++tok;
+ /* Get the minutes... */
+ for (; c_isdigit (*tok); tok++)
+ min = (*tok - '0') + 10 * min;
+ if (*tok == ':')
+ {
+ /* ...and the seconds. */
+ ++tok;
+ for (; c_isdigit (*tok); tok++)
+ sec = (*tok - '0') + 10 * sec;
+ }
+ }
+ }
+ if (year)
+ DEBUGP (("year: %d (no tm); ", year));
+ else
+ DEBUGP (("time: %02d:%02d:%02d (no yr); ", hour, min, sec));
+ }
+ else if (next == 2) /* The file name */
+ {
+ int fnlen;
+ char *p;
+
+ /* Since the file name may contain a SPC, it is possible
+ for strtok to handle it wrong. */
+ fnlen = strlen (tok);
+ if (fnlen < len - (tok - line))
+ {
+ /* So we have a SPC in the file name. Restore the
+ original. */
+ tok[fnlen] = ' ';
+ /* If the file is a symbolic link, it should have a
+ ` -> ' somewhere. */
+ if (cur.type == FT_SYMLINK)
+ {
+ p = strstr (tok, " -> ");
+ if (!p)
+ {
+ error = 1;
+ break;
+ }
+ cur.linkto = xstrdup (p + 4);
+ DEBUGP (("link to: %s\n", cur.linkto));
+ /* And separate it from the file name. */
+ *p = '\0';
+ }
+ }
+ /* If we have the filename, add it to the list of files or
+ directories. */
+ /* "." and ".." are an exception! */
+ if (!strcmp (tok, ".") || !strcmp (tok, ".."))
+ {
+ DEBUGP (("\nIgnoring `.' and `..'; "));
+ ignore = 1;
+ break;
+ }
+ /* Some FTP sites choose to have ls -F as their default
+ LIST output, which marks the symlinks with a trailing
+ `@', directory names with a trailing `/' and
+ executables with a trailing `*'. This is no problem
+ unless encountering a symbolic link ending with `@',
+ or an executable ending with `*' on a server without
+ default -F output. I believe these cases are very
+ rare. */
+ fnlen = strlen (tok); /* re-calculate `fnlen' */
+ cur.name = xmalloc (fnlen + 1);
+ memcpy (cur.name, tok, fnlen + 1);
+ if (fnlen)
+ {
+ if (cur.type == FT_DIRECTORY && cur.name[fnlen - 1] == '/')
+ {
+ cur.name[fnlen - 1] = '\0';
+ DEBUGP (("trailing `/' on dir.\n"));
+ }
+ else if (cur.type == FT_SYMLINK && cur.name[fnlen - 1] == '@')
+ {
+ cur.name[fnlen - 1] = '\0';
+ DEBUGP (("trailing `@' on link.\n"));
+ }
+ else if (cur.type == FT_PLAINFILE
+ && (cur.perms & 0111)
+ && cur.name[fnlen - 1] == '*')
+ {
+ cur.name[fnlen - 1] = '\0';
+ DEBUGP (("trailing `*' on exec.\n"));
+ }
+ } /* if (fnlen) */
+ else
+ error = 1;
+ break;
+ }
+ else
+ abort ();
+ } /* while */
if (!cur.name || (cur.type == FT_SYMLINK && !cur.linkto))
- error = 1;
+ error = 1;
- DEBUGP (("\n"));
+ DEBUGP (("%s\n", cur.name ? cur.name : ""));
if (error || ignore)
- {
- DEBUGP (("Skipping.\n"));
- FREE_MAYBE (cur.name);
- FREE_MAYBE (cur.linkto);
- free (line);
- continue;
- }
+ {
+ DEBUGP (("Skipping.\n"));
+ xfree_null (cur.name);
+ xfree_null (cur.linkto);
+ xfree (line);
+ continue;
+ }
if (!dir)
- {
- l = dir = (struct fileinfo *)xmalloc (sizeof (struct fileinfo));
- memcpy (l, &cur, sizeof (cur));
- l->prev = l->next = NULL;
- }
+ {
+ l = dir = xnew (struct fileinfo);
+ memcpy (l, &cur, sizeof (cur));
+ l->prev = l->next = NULL;
+ }
else
- {
- cur.prev = l;
- l->next = (struct fileinfo *)xmalloc (sizeof (struct fileinfo));
- l = l->next;
- memcpy (l, &cur, sizeof (cur));
- l->next = NULL;
- }
+ {
+ cur.prev = l;
+ l->next = xnew (struct fileinfo);
+ l = l->next;
+ memcpy (l, &cur, sizeof (cur));
+ l->next = NULL;
+ }
/* Get the current time. */
timenow = time (NULL);
tnow = localtime (&timenow);
timestruct.tm_mday = day;
timestruct.tm_mon = month;
if (year == 0)
- {
- /* Some listings will not specify the year if it is "obvious"
- that the file was from the previous year. E.g. if today
- is 97-01-12, and you see a file of Dec 15th, its year is
- 1996, not 1997. Thanks to Vladimir Volovich for
- mentioning this! */
- if (month > tnow->tm_mon)
- timestruct.tm_year = tnow->tm_year - 1;
- else
- timestruct.tm_year = tnow->tm_year;
- }
+ {
+ /* Some listings will not specify the year if it is "obvious"
+ that the file was from the previous year. E.g. if today
+ is 97-01-12, and you see a file of Dec 15th, its year is
+ 1996, not 1997. Thanks to Vladimir Volovich for
+ mentioning this! */
+ if (month > tnow->tm_mon)
+ timestruct.tm_year = tnow->tm_year - 1;
+ else
+ timestruct.tm_year = tnow->tm_year;
+ }
else
- timestruct.tm_year = year;
+ timestruct.tm_year = year;
if (timestruct.tm_year >= 1900)
- timestruct.tm_year -= 1900;
+ timestruct.tm_year -= 1900;
timestruct.tm_wday = 0;
timestruct.tm_yday = 0;
timestruct.tm_isdst = -1;
l->tstamp = mktime (×truct); /* store the time-stamp */
- free (line);
+ xfree (line);
}
fclose (fp);
return dir;
}
-/* This function is just a stub. It should actually accept some kind
- of information what system it is running on -- e.g. FPL_UNIX,
- FPL_DOS, FPL_NT, FPL_VMS, etc. and a "guess-me" value, like
- FPL_GUESS. Then it would call the appropriate parsers to fill up
- fileinfos.
-
- Since we currently support only the Unix FTP servers, this function
- simply returns the result of ftp_parse_unix_ls(). */
-struct fileinfo *
-ftp_parse_ls (const char *file)
+static struct fileinfo *
+ftp_parse_winnt_ls (const char *file)
{
- return ftp_parse_unix_ls (file);
+ FILE *fp;
+ int len;
+ int year, month, day; /* for time analysis */
+ int hour, min;
+ struct tm timestruct;
+
+ char *line, *tok; /* tokenizer */
+ struct fileinfo *dir, *l, cur; /* list creation */
+
+ fp = fopen (file, "rb");
+ if (!fp)
+ {
+ logprintf (LOG_NOTQUIET, "%s: %s\n", file, strerror (errno));
+ return NULL;
+ }
+ dir = l = NULL;
+
+ /* Line loop to end of file: */
+ while ((line = read_whole_line (fp)) != NULL)
+ {
+ len = clean_line (line);
+
+ /* Extracting name is a bit of black magic and we have to do it
+ before `strtok' inserted extra \0 characters in the line
+ string. For the moment let us just suppose that the name starts at
+ column 39 of the listing. This way we could also recognize
+ filenames that begin with a series of space characters (but who
+ really wants to use such filenames anyway?). */
+ if (len < 40) continue;
+ tok = line + 39;
+ cur.name = xstrdup(tok);
+ DEBUGP(("Name: '%s'\n", cur.name));
+
+ /* First column: mm-dd-yy. Should atoi() on the month fail, january
+ will be assumed. */
+ tok = strtok(line, "-");
+ if (tok == NULL) continue;
+ month = atoi(tok) - 1;
+ if (month < 0) month = 0;
+ tok = strtok(NULL, "-");
+ if (tok == NULL) continue;
+ day = atoi(tok);
+ tok = strtok(NULL, " ");
+ if (tok == NULL) continue;
+ year = atoi(tok);
+ /* Assuming the epoch starting at 1.1.1970 */
+ if (year <= 70) year += 100;
+
+ /* Second column: hh:mm[AP]M, listing does not contain value for
+ seconds */
+ tok = strtok(NULL, ":");
+ if (tok == NULL) continue;
+ hour = atoi(tok);
+ tok = strtok(NULL, "M");
+ if (tok == NULL) continue;
+ min = atoi(tok);
+ /* Adjust hour from AM/PM. Just for the record, the sequence goes
+ 11:00AM, 12:00PM, 01:00PM ... 11:00PM, 12:00AM, 01:00AM . */
+ tok+=2;
+ if (hour == 12) hour = 0;
+ if (*tok == 'P') hour += 12;
+
+ DEBUGP(("YYYY/MM/DD HH:MM - %d/%02d/%02d %02d:%02d\n",
+ year+1900, month, day, hour, min));
+
+ /* Build the time-stamp (copy & paste from above) */
+ timestruct.tm_sec = 0;
+ timestruct.tm_min = min;
+ timestruct.tm_hour = hour;
+ timestruct.tm_mday = day;
+ timestruct.tm_mon = month;
+ timestruct.tm_year = year;
+ timestruct.tm_wday = 0;
+ timestruct.tm_yday = 0;
+ timestruct.tm_isdst = -1;
+ cur.tstamp = mktime (×truct); /* store the time-stamp */
+
+ DEBUGP(("Timestamp: %ld\n", cur.tstamp));
+
+ /* Third column: Either file length, or <DIR>. We also set the
+ permissions (guessed as 0644 for plain files and 0755 for
+ directories as the listing does not give us a clue) and filetype
+ here. */
+ tok = strtok(NULL, " ");
+ if (tok == NULL) continue;
+ while ((tok != NULL) && (*tok == '\0')) tok = strtok(NULL, " ");
+ if (tok == NULL) continue;
+ if (*tok == '<')
+ {
+ cur.type = FT_DIRECTORY;
+ cur.size = 0;
+ cur.perms = 0755;
+ DEBUGP(("Directory\n"));
+ }
+ else
+ {
+ wgint size;
+ cur.type = FT_PLAINFILE;
+ errno = 0;
+ size = str_to_wgint (tok, NULL, 10);
+ if (size == WGINT_MAX && errno == ERANGE)
+ cur.size = 0; /* overflow */
+ else
+ cur.size = size;
+ cur.perms = 0644;
+ DEBUGP(("File, size %s bytes\n", number_to_static_string (cur.size)));
+ }
+
+ cur.linkto = NULL;
+
+ /* And put everything into the linked list */
+ if (!dir)
+ {
+ l = dir = xnew (struct fileinfo);
+ memcpy (l, &cur, sizeof (cur));
+ l->prev = l->next = NULL;
+ }
+ else
+ {
+ cur.prev = l;
+ l->next = xnew (struct fileinfo);
+ l = l->next;
+ memcpy (l, &cur, sizeof (cur));
+ l->next = NULL;
+ }
+
+ xfree (line);
+ }
+
+ fclose(fp);
+ return dir;
}
-\f
-/* Stuff for creating FTP index. */
-/* The function returns the pointer to the malloc-ed quoted version of
- string s. It will recognize and quote numeric and special graphic
- entities, as per RFC1866:
+/* Converts VMS symbolic permissions to number-style ones, e.g. string
+ RWED,RWE,RE to 755. "D" (delete) is taken to be equal to "W"
+ (write). Inspired by a patch of Stoyan Lekov <lekov@eda.bg>. */
+static int
+vmsperms (const char *s)
+{
+ int perms = 0;
+
+ do
+ {
+ switch (*s) {
+ case ',': perms <<= 3; break;
+ case 'R': perms |= 4; break;
+ case 'W': perms |= 2; break;
+ case 'D': perms |= 2; break;
+ case 'E': perms |= 1; break;
+ default: DEBUGP(("wrong VMS permissons!\n"));
+ }
+ }
+ while (*++s);
+ return perms;
+}
- `&' -> `&'
- `<' -> `<'
- `>' -> `>'
- `"' -> `"'
- No other entities are recognized or replaced. */
-static char *
-html_quote_string (const char *s)
+static struct fileinfo *
+ftp_parse_vms_ls (const char *file)
{
- const char *b = s;
- char *p, *res;
+ FILE *fp;
+ /* #### A third copy of more-or-less the same array ? */
+ static const char *months[] = {
+ "JAN", "FEB", "MAR", "APR", "MAY", "JUN",
+ "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"
+ };
int i;
+ int year, month, day; /* for time analysis */
+ int hour, min, sec;
+ struct tm timestruct;
+
+ char *line, *tok; /* tokenizer */
+ struct fileinfo *dir, *l, cur; /* list creation */
+
+ fp = fopen (file, "rb");
+ if (!fp)
+ {
+ logprintf (LOG_NOTQUIET, "%s: %s\n", file, strerror (errno));
+ return NULL;
+ }
+ dir = l = NULL;
+
+ /* Skip empty line. */
+ line = read_whole_line (fp);
+ xfree_null (line);
- /* Pass through the string, and count the new size. */
- for (i = 0; *s; s++, i++)
+ /* Skip "Directory PUB$DEVICE[PUB]" */
+ line = read_whole_line (fp);
+ xfree_null (line);
+
+ /* Skip empty line. */
+ line = read_whole_line (fp);
+ xfree_null (line);
+
+ /* Line loop to end of file: */
+ while ((line = read_whole_line (fp)) != NULL)
{
- if (*s == '&')
- i += 4; /* `amp;' */
- else if (*s == '<' || *s == '>')
- i += 3; /* `lt;' and `gt;' */
- else if (*s == '\"')
- i += 5; /* `quot;' */
+ char *p;
+ i = clean_line (line);
+ if (!i)
+ {
+ xfree (line);
+ break;
+ }
+
+ /* First column: Name. A bit of black magic again. The name my be
+ either ABCD.EXT or ABCD.EXT;NUM and it might be on a separate
+ line. Therefore we will first try to get the complete name
+ until the first space character; if it fails, we assume that the name
+ occupies the whole line. After that we search for the version
+ separator ";", we remove it and check the extension of the file;
+ extension .DIR denotes directory. */
+
+ tok = strtok(line, " ");
+ if (tok == NULL) tok = line;
+ DEBUGP(("file name: '%s'\n", tok));
+ for (p = tok ; *p && *p != ';' ; p++)
+ ;
+ if (*p == ';') *p = '\0';
+ p = tok + strlen(tok) - 4;
+ if (!strcmp(p, ".DIR")) *p = '\0';
+ cur.name = xstrdup(tok);
+ DEBUGP(("Name: '%s'\n", cur.name));
+
+ /* If the name ends on .DIR or .DIR;#, it's a directory. We also set
+ the file size to zero as the listing does tell us only the size in
+ filesystem blocks - for an integrity check (when mirroring, for
+ example) we would need the size in bytes. */
+
+ if (! *p)
+ {
+ cur.type = FT_DIRECTORY;
+ cur.size = 0;
+ DEBUGP(("Directory\n"));
+ }
+ else
+ {
+ cur.type = FT_PLAINFILE;
+ DEBUGP(("File\n"));
+ }
+
+ cur.size = 0;
+
+ /* Second column, if exists, or the first column of the next line
+ contain file size in blocks. We will skip it. */
+
+ tok = strtok(NULL, " ");
+ if (tok == NULL)
+ {
+ DEBUGP(("Getting additional line\n"));
+ xfree (line);
+ line = read_whole_line (fp);
+ if (!line)
+ {
+ DEBUGP(("empty line read, leaving listing parser\n"));
+ break;
+ }
+ i = clean_line (line);
+ if (!i)
+ {
+ DEBUGP(("confusing VMS listing item, leaving listing parser\n"));
+ xfree (line);
+ break;
+ }
+ tok = strtok(line, " ");
+ }
+ DEBUGP(("second token: '%s'\n", tok));
+
+ /* Third/Second column: Date DD-MMM-YYYY. */
+
+ tok = strtok(NULL, "-");
+ if (tok == NULL) continue;
+ DEBUGP(("day: '%s'\n",tok));
+ day = atoi(tok);
+ tok = strtok(NULL, "-");
+ if (!tok)
+ {
+ /* If the server produces garbage like
+ 'EA95_0PS.GZ;1 No privilege for attempted operation'
+ the first strtok(NULL, "-") will return everything until the end
+ of the line and only the next strtok() call will return NULL. */
+ DEBUGP(("nonsense in VMS listing, skipping this line\n"));
+ xfree (line);
+ break;
+ }
+ for (i=0; i<12; i++) if (!strcmp(tok,months[i])) break;
+ /* Uknown months are mapped to January */
+ month = i % 12 ;
+ tok = strtok (NULL, " ");
+ if (tok == NULL) continue;
+ year = atoi (tok) - 1900;
+ DEBUGP(("date parsed\n"));
+
+ /* Fourth/Third column: Time hh:mm[:ss] */
+ tok = strtok (NULL, " ");
+ if (tok == NULL) continue;
+ min = sec = 0;
+ p = tok;
+ hour = atoi (p);
+ for (; *p && *p != ':'; ++p)
+ ;
+ if (*p)
+ min = atoi (++p);
+ for (; *p && *p != ':'; ++p)
+ ;
+ if (*p)
+ sec = atoi (++p);
+
+ DEBUGP(("YYYY/MM/DD HH:MM:SS - %d/%02d/%02d %02d:%02d:%02d\n",
+ year+1900, month, day, hour, min, sec));
+
+ /* Build the time-stamp (copy & paste from above) */
+ timestruct.tm_sec = sec;
+ timestruct.tm_min = min;
+ timestruct.tm_hour = hour;
+ timestruct.tm_mday = day;
+ timestruct.tm_mon = month;
+ timestruct.tm_year = year;
+ timestruct.tm_wday = 0;
+ timestruct.tm_yday = 0;
+ timestruct.tm_isdst = -1;
+ cur.tstamp = mktime (×truct); /* store the time-stamp */
+
+ DEBUGP(("Timestamp: %ld\n", cur.tstamp));
+
+ /* Skip the fifth column */
+
+ tok = strtok(NULL, " ");
+ if (tok == NULL) continue;
+
+ /* Sixth column: Permissions */
+
+ tok = strtok(NULL, ","); /* Skip the VMS-specific SYSTEM permissons */
+ if (tok == NULL) continue;
+ tok = strtok(NULL, ")");
+ if (tok == NULL)
+ {
+ DEBUGP(("confusing VMS permissions, skipping line\n"));
+ xfree (line);
+ continue;
+ }
+ /* Permissons have the format "RWED,RWED,RE" */
+ cur.perms = vmsperms(tok);
+ DEBUGP(("permissions: %s -> 0%o\n", tok, cur.perms));
+
+ cur.linkto = NULL;
+
+ /* And put everything into the linked list */
+ if (!dir)
+ {
+ l = dir = xnew (struct fileinfo);
+ memcpy (l, &cur, sizeof (cur));
+ l->prev = l->next = NULL;
+ }
+ else
+ {
+ cur.prev = l;
+ l->next = xnew (struct fileinfo);
+ l = l->next;
+ memcpy (l, &cur, sizeof (cur));
+ l->next = NULL;
+ }
+
+ xfree (line);
}
- res = (char *)xmalloc (i + 1);
- s = b;
- for (p = res; *s; s++)
+
+ fclose (fp);
+ return dir;
+}
+
+
+/* This function switches between the correct parsing routine depending on
+ the SYSTEM_TYPE. The system type should be based on the result of the
+ "SYST" response of the FTP server. According to this repsonse we will
+ use on of the three different listing parsers that cover the most of FTP
+ servers used nowadays. */
+
+struct fileinfo *
+ftp_parse_ls (const char *file, const enum stype system_type)
+{
+ switch (system_type)
{
- switch (*s)
- {
- case '&':
- *p++ = '&';
- *p++ = 'a';
- *p++ = 'm';
- *p++ = 'p';
- *p++ = ';';
- break;
- case '<': case '>':
- *p++ = '&';
- *p++ = (*s == '<' ? 'l' : 'g');
- *p++ = 't';
- *p++ = ';';
- break;
- case '\"':
- *p++ = '&';
- *p++ = 'q';
- *p++ = 'u';
- *p++ = 'o';
- *p++ = 't';
- *p++ = ';';
- break;
- default:
- *p++ = *s;
- }
+ case ST_UNIX:
+ return ftp_parse_unix_ls (file, 0);
+ case ST_WINNT:
+ {
+ /* Detect whether the listing is simulating the UNIX format */
+ FILE *fp;
+ int c;
+ fp = fopen (file, "rb");
+ if (!fp)
+ {
+ logprintf (LOG_NOTQUIET, "%s: %s\n", file, strerror (errno));
+ return NULL;
+ }
+ c = fgetc(fp);
+ fclose(fp);
+ /* If the first character of the file is '0'-'9', it's WINNT
+ format. */
+ if (c >= '0' && c <='9')
+ return ftp_parse_winnt_ls (file);
+ else
+ return ftp_parse_unix_ls (file, 1);
+ }
+ case ST_VMS:
+ return ftp_parse_vms_ls (file);
+ case ST_MACOS:
+ return ftp_parse_unix_ls (file, 1);
+ default:
+ logprintf (LOG_NOTQUIET, _("\
+Unsupported listing type, trying Unix listing parser.\n"));
+ return ftp_parse_unix_ls (file, 0);
}
- *p = '\0';
- return res;
}
+\f
+/* Stuff for creating FTP index. */
/* The function creates an HTML index containing references to given
directories and files on the appropriate host. The references are
FTP. */
uerr_t
-ftp_index (const char *file, struct urlinfo *u, struct fileinfo *f)
+ftp_index (const char *file, struct url *u, struct fileinfo *f)
{
FILE *fp;
char *upwd;
- char *htclfile; /* HTML-clean file name */
+ char *htclfile; /* HTML-clean file name */
- if (!opt.dfp)
+ if (!output_stream)
{
fp = fopen (file, "wb");
if (!fp)
- {
- logprintf (LOG_NOTQUIET, "%s: %s\n", file, strerror (errno));
- return FOPENERR;
- }
+ {
+ logprintf (LOG_NOTQUIET, "%s: %s\n", file, strerror (errno));
+ return FOPENERR;
+ }
}
else
- fp = opt.dfp;
+ fp = output_stream;
if (u->user)
{
char *tmpu, *tmpp; /* temporary, clean user and passwd */
- tmpu = CLEANDUP (u->user);
- tmpp = u->passwd ? CLEANDUP (u->passwd) : NULL;
- upwd = (char *)xmalloc (strlen (tmpu)
- + (tmpp ? (1 + strlen (tmpp)) : 0) + 2);
- sprintf (upwd, "%s%s%s@", tmpu, tmpp ? ":" : "", tmpp ? tmpp : "");
- free (tmpu);
- FREE_MAYBE (tmpp);
+ tmpu = url_escape (u->user);
+ tmpp = u->passwd ? url_escape (u->passwd) : NULL;
+ if (tmpp)
+ upwd = concat_strings (tmpu, ":", tmpp, "@", (char *) 0);
+ else
+ upwd = concat_strings (tmpu, "@", (char *) 0);
+ xfree (tmpu);
+ xfree_null (tmpp);
}
else
upwd = xstrdup ("");
{
fprintf (fp, " ");
if (f->tstamp != -1)
- {
- /* #### Should we translate the months? */
- static char *months[] = {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
- };
- struct tm *ptm = localtime ((time_t *)&f->tstamp);
-
- fprintf (fp, "%d %s %02d ", ptm->tm_year + 1900, months[ptm->tm_mon],
- ptm->tm_mday);
- if (ptm->tm_hour)
- fprintf (fp, "%02d:%02d ", ptm->tm_hour, ptm->tm_min);
- else
- fprintf (fp, " ");
- }
+ {
+ /* #### Should we translate the months? Or, even better, use
+ ISO 8601 dates? */
+ static const char *months[] = {
+ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+ };
+ time_t tstamp = f->tstamp;
+ struct tm *ptm = localtime (&tstamp);
+
+ fprintf (fp, "%d %s %02d ", ptm->tm_year + 1900, months[ptm->tm_mon],
+ ptm->tm_mday);
+ if (ptm->tm_hour)
+ fprintf (fp, "%02d:%02d ", ptm->tm_hour, ptm->tm_min);
+ else
+ fprintf (fp, " ");
+ }
else
- fprintf (fp, _("time unknown "));
+ fprintf (fp, _("time unknown "));
switch (f->type)
- {
- case FT_PLAINFILE:
- fprintf (fp, _("File "));
- break;
- case FT_DIRECTORY:
- fprintf (fp, _("Directory "));
- break;
- case FT_SYMLINK:
- fprintf (fp, _("Link "));
- break;
- default:
- fprintf (fp, _("Not sure "));
- break;
- }
+ {
+ case FT_PLAINFILE:
+ fprintf (fp, _("File "));
+ break;
+ case FT_DIRECTORY:
+ fprintf (fp, _("Directory "));
+ break;
+ case FT_SYMLINK:
+ fprintf (fp, _("Link "));
+ break;
+ default:
+ fprintf (fp, _("Not sure "));
+ break;
+ }
htclfile = html_quote_string (f->name);
- fprintf (fp, "<a href=\"ftp://%s%s:%hu", upwd, u->host, u->port);
+ fprintf (fp, "<a href=\"ftp://%s%s:%d", upwd, u->host, u->port);
if (*u->dir != '/')
- putc ('/', fp);
+ putc ('/', fp);
fprintf (fp, "%s", u->dir);
if (*u->dir)
- putc ('/', fp);
+ putc ('/', fp);
fprintf (fp, "%s", htclfile);
if (f->type == FT_DIRECTORY)
- putc ('/', fp);
+ putc ('/', fp);
fprintf (fp, "\">%s", htclfile);
if (f->type == FT_DIRECTORY)
- putc ('/', fp);
+ putc ('/', fp);
fprintf (fp, "</a> ");
if (f->type == FT_PLAINFILE)
- fprintf (fp, _(" (%s bytes)"), legible (f->size));
+ fprintf (fp, _(" (%s bytes)"), number_to_static_string (f->size));
else if (f->type == FT_SYMLINK)
- fprintf (fp, "-> %s", f->linkto ? f->linkto : "(nil)");
+ fprintf (fp, "-> %s", f->linkto ? f->linkto : "(nil)");
putc ('\n', fp);
- free (htclfile);
+ xfree (htclfile);
f = f->next;
}
fprintf (fp, "</pre>\n</body>\n</html>\n");
- free (upwd);
- if (!opt.dfp)
+ xfree (upwd);
+ if (!output_stream)
fclose (fp);
else
fflush (fp);
projects / wget / blobdiff