/* Parsing FTP `ls' output.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
+ Inc.
This file is part of GNU Wget.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
#include <errno.h>
#include <time.h>
#include "utils.h"
};
int next, len, i, error, ignore;
int year, month, day; /* for time analysis */
- int hour, min, sec;
+ int hour, min, sec, ptype;
struct tm timestruct, *tnow;
time_t timenow;
treated equally for now. */
year = hour = min = sec = 0; /* Silence the compiler. */
month = day = 0;
+ ptype = TT_DAY;
next = -1;
/* While there are tokens on the line, parse them. Next is the
number of tokens left until the filename.
/* This means these were hours! */
hour = year;
year = 0;
+ ptype = TT_HOUR_MIN;
++tok;
/* Get the minutes... */
for (; c_isdigit (*tok); tok++)
timestruct.tm_yday = 0;
timestruct.tm_isdst = -1;
l->tstamp = mktime (×truct); /* store the time-stamp */
+ l->ptype = ptype;
xfree (line);
}
struct tm timestruct;
char *line, *tok; /* tokenizer */
+ char *filename;
struct fileinfo *dir, *l, cur; /* list creation */
fp = fopen (file, "rb");
{
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. */
+ /* Name begins at 39 column of the listing if date presented in `mm-dd-yy'
+ format or at 41 column if date presented in `mm-dd-yyyy' format. Thus,
+ we cannot extract name before we parse date. Using this information we
+ also can recognize filenames that begin with a series of space
+ characters (but who really wants to use such filenames anyway?). */
+ if (len < 40) goto continue_loop;
+ filename = line + 39;
+
+ /* First column: mm-dd-yy or mm-dd-yyyy. Should atoi() on the month fail,
+ january will be assumed. */
tok = strtok(line, "-");
- if (tok == NULL) continue;
+ if (tok == NULL) goto continue_loop;
month = atoi(tok) - 1;
if (month < 0) month = 0;
tok = strtok(NULL, "-");
- if (tok == NULL) continue;
+ if (tok == NULL) goto continue_loop;
day = atoi(tok);
tok = strtok(NULL, " ");
- if (tok == NULL) continue;
+ if (tok == NULL) goto continue_loop;
year = atoi(tok);
/* Assuming the epoch starting at 1.1.1970 */
- if (year <= 70) year += 100;
+ if (year <= 70)
+ {
+ year += 100;
+ }
+ else if (year >= 1900)
+ {
+ year -= 1900;
+ filename += 2;
+ }
+ /* Now it is possible to determine the position of the first symbol in
+ filename. */
+ cur.name = xstrdup(filename);
+ DEBUGP (("Name: '%s'\n", cur.name));
+
/* Second column: hh:mm[AP]M, listing does not contain value for
seconds */
tok = strtok(NULL, ":");
- if (tok == NULL) continue;
+ if (tok == NULL) goto continue_loop;
hour = atoi(tok);
tok = strtok(NULL, "M");
- if (tok == NULL) continue;
+ if (tok == NULL) goto continue_loop;
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 . */
if (hour == 12) hour = 0;
if (*tok == 'P') hour += 12;
- DEBUGP(("YYYY/MM/DD HH:MM - %d/%02d/%02d %02d:%02d\n",
+ 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_yday = 0;
timestruct.tm_isdst = -1;
cur.tstamp = mktime (×truct); /* store the time-stamp */
+ cur.ptype = TT_HOUR_MIN;
- DEBUGP(("Timestamp: %ld\n", cur.tstamp));
+ 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;
+ if (tok == NULL) goto continue_loop;
while ((tok != NULL) && (*tok == '\0')) tok = strtok(NULL, " ");
- if (tok == NULL) continue;
+ if (tok == NULL) goto continue_loop;
if (*tok == '<')
{
cur.type = FT_DIRECTORY;
cur.size = 0;
cur.perms = 0755;
- DEBUGP(("Directory\n"));
+ DEBUGP (("Directory\n"));
}
else
{
else
cur.size = size;
cur.perms = 0644;
- DEBUGP(("File, size %s bytes\n", number_to_static_string (cur.size)));
+ DEBUGP (("File, size %s bytes\n", number_to_static_string (cur.size)));
}
cur.linkto = NULL;
l->next = NULL;
}
+continue_loop:
xfree (line);
}
tok = strtok(line, " ");
if (tok == NULL) tok = line;
- DEBUGP(("file name: '%s'\n", tok));
+ DEBUGP (("file name: '%s'\n", tok));
/* Stripping the version number on a VMS system would be wrong.
It may be foolish on a non-VMS system, too, but that's someone
*/
#if (!defined( __VMS) && !defined( PRESERVE_VMS_VERSIONS))
- for (p = tok+ strlen( tok); (--p > tok) && c_isdigit( *p); );
+ for (p = tok + strlen (tok); (--p > tok) && c_isdigit( *p); );
if ((*p == ';') && (*(p- 1) != '^'))
{
*p = '\0';
Eliminate "^" escape characters from ODS5 extended file name.
(A caret is invalid in an ODS2 name, so this is always safe.)
*/
- eat_carets( tok);
- DEBUGP(("file name-^: '%s'\n", tok));
+ eat_carets (tok);
+ DEBUGP (("file name-^: '%s'\n", tok));
/* Differentiate between a directory and any other file. A VMS
listing may not include file protections (permissions). Set a
".DIR;1" file type and version number, as the plain name is
what will work in a CWD command.
*/
- len = strlen( tok);
- if (!strncasecmp( (tok+ (len- 4)), ".DIR", 4))
+ len = strlen (tok);
+ if (!strncasecmp((tok + (len - 4)), ".DIR", 4))
{
- *(tok+ (len -= 4)) = '\0'; /* Discard ".DIR". */
+ *(tok+ (len - 4)) = '\0'; /* Discard ".DIR". */
cur.type = FT_DIRECTORY;
cur.perms = VMS_DEFAULT_PROT_DIR;
- DEBUGP(("Directory (nv)\n"));
+ DEBUGP (("Directory (nv)\n"));
}
- else if (!strncasecmp( (tok+ (len- 6)), ".DIR;1", 6))
+ else if (!strncasecmp ((tok + (len - 6)), ".DIR;1", 6))
{
- *(tok+ (len -= 6)) = '\0'; /* Discard ".DIR;1". */
+ *(tok+ (len - 6)) = '\0'; /* Discard ".DIR;1". */
cur.type = FT_DIRECTORY;
cur.perms = VMS_DEFAULT_PROT_DIR;
- DEBUGP(("Directory (v)\n"));
+ DEBUGP (("Directory (v)\n"));
}
else
{
cur.type = FT_PLAINFILE;
cur.perms = VMS_DEFAULT_PROT_FILE;
- DEBUGP(("File\n"));
+ DEBUGP (("File\n"));
}
- cur.name = xstrdup(tok);
- DEBUGP(("Name: '%s'\n", cur.name));
+ cur.name = xstrdup (tok);
+ DEBUGP (("Name: '%s'\n", cur.name));
/* Null the date and time string. */
*date_str = '\0';
hence useless for an integrity check based on byte-count.
Set size to unknown.
*/
- cur.size = 0;
+ cur.size = 0;
/* Get token 2, if any. A long name may force all other data onto
a second line. If needed, read the second line.
*/
- tok = strtok(NULL, " ");
+ tok = strtok (NULL, " ");
if (tok == NULL)
{
- DEBUGP(("Getting additional line.\n"));
+ DEBUGP (("Getting additional line.\n"));
xfree (line);
line = read_whole_line (fp);
if (!line)
{
- DEBUGP(("EOF. Leaving listing parser.\n"));
+ DEBUGP (("EOF. Leaving listing parser.\n"));
break;
}
line (and we may be confused).
*/
if (i <= 0)
- {
+ {
/* Blank line. End of significant file listing. */
- DEBUGP(("Blank line. Leaving listing parser.\n"));
+ DEBUGP (("Blank line. Leaving listing parser.\n"));
xfree (line); /* Free useless line storage. */
- break;
- }
+ break;
+ }
else if (line[ 0] != ' ')
{
- DEBUGP(("Non-blank in column 1. Must be a new file name?\n"));
+ DEBUGP (("Non-blank in column 1. Must be a new file name?\n"));
continue;
}
else
if (tok == NULL)
{
/* Unexpected non-empty but apparently blank line. */
- DEBUGP(("Null token. Leaving listing parser.\n"));
+ DEBUGP (("Null token. Leaving listing parser.\n"));
xfree (line); /* Free useless line storage. */
break;
}
Time: HH:MM or HH:MM:SS or HH:MM:SS.CC
Owner: [user] or [user,group]
Protection: (ppp,ppp,ppp,ppp) (where "ppp" is "RWED" or some
- subset thereof, for System, Owner, Group, World.
+ subset thereof, for System, Owner, Group, World.
If permission is lacking, info may be replaced by the string:
"No privilege for attempted operation".
*/
while (tok != NULL)
- {
- DEBUGP (("Token: >%s<: ", tok));
+ {
+ DEBUGP (("Token: >%s<: ", tok));
- if ((strlen( tok) < 12) && (strchr( tok, '-') != NULL))
- {
- /* Date. */
- DEBUGP (("Date.\n"));
- strcpy( date_str, tok);
- strcat( date_str, " ");
- }
- else if ((strlen( tok) < 12) && (strchr( tok, ':') != NULL))
- {
- /* Time. */
- DEBUGP (("Time. "));
- strncat( date_str,
- tok,
- (sizeof( date_str)- strlen( date_str)- 1));
- DEBUGP (("Date time: >%s<\n", date_str));
- }
- else if (strchr( tok, '[') != NULL)
- {
- /* Owner. (Ignore.) */
- DEBUGP (("Owner.\n"));
- }
- else if (strchr( tok, '(') != NULL)
- {
- /* Protections (permissions). */
- perms = 0;
- j = 0;
- for (i = 0; i < strlen( tok); i++)
- {
- switch (tok[ i])
- {
- case '(':
- break;
- case ')':
- break;
- case ',':
- if (j == 0)
- {
- perms = 0;
- j = 1;
- }
- else
- {
- perms <<= 3;
- }
- break;
- case 'R':
- perms |= 4;
- break;
- case 'W':
- perms |= 2;
- break;
- case 'E':
- perms |= 1;
- break;
- case 'D':
- perms |= 2;
- break;
- }
- }
- cur.perms = perms;
- DEBUGP (("Prot. perms = %0o.\n", cur.perms));
- }
- else
- {
- /* Nondescript. Probably size(s), probably in blocks.
+ if ((strlen (tok) < 12) && (strchr( tok, '-') != NULL))
+ {
+ /* Date. */
+ DEBUGP (("Date.\n"));
+ strcpy( date_str, tok);
+ strcat( date_str, " ");
+ }
+ else if ((strlen (tok) < 12) && (strchr( tok, ':') != NULL))
+ {
+ /* Time. */
+ DEBUGP (("Time. "));
+ strncat( date_str,
+ tok,
+ (sizeof( date_str)- strlen (date_str) - 1));
+ DEBUGP (("Date time: >%s<\n", date_str));
+ }
+ else if (strchr ( tok, '[') != NULL)
+ {
+ /* Owner. (Ignore.) */
+ DEBUGP (("Owner.\n"));
+ }
+ else if (strchr (tok, '(') != NULL)
+ {
+ /* Protections (permissions). */
+ perms = 0;
+ j = 0;
+ for (i = 0; i < strlen( tok); i++)
+ {
+ switch (tok[ i])
+ {
+ case '(':
+ break;
+ case ')':
+ break;
+ case ',':
+ if (j == 0)
+ {
+ perms = 0;
+ j = 1;
+ }
+ else
+ {
+ perms <<= 3;
+ }
+ break;
+ case 'R':
+ perms |= 4;
+ break;
+ case 'W':
+ perms |= 2;
+ break;
+ case 'E':
+ perms |= 1;
+ break;
+ case 'D':
+ perms |= 2;
+ break;
+ }
+ }
+ cur.perms = perms;
+ DEBUGP (("Prot. perms = %0o.\n", cur.perms));
+ }
+ else
+ {
+ /* Nondescript. Probably size(s), probably in blocks.
Could be "No privilege ..." message. (Ignore.)
*/
- DEBUGP (("Ignored (size?).\n"));
- }
+ DEBUGP (("Ignored (size?).\n"));
+ }
- tok = strtok (NULL, " ");
- }
+ tok = strtok (NULL, " ");
+ }
/* Tokens exhausted. Interpret the data, and fill in the
structure.
/* Convert struct tm local time to time_t local time. */
timenow = mktime (timestruct);
/* Offset local time according to environment variable (seconds). */
- if ((tok = getenv( "WGET_TIMEZONE_DIFFERENTIAL")) != NULL)
+ if ((tok = getenv ( "WGET_TIMEZONE_DIFFERENTIAL")) != NULL)
{
- dt = atoi( tok);
+ dt = atoi (tok);
DEBUGP (("Time differential = %d.\n", dt));
}
else
- {
- dt = 0;
- }
+ dt = 0;
if (dt >= 0)
- {
- timenow += dt;
- }
+ timenow += dt;
else
- {
- timenow -= (-dt);
- }
+ timenow -= (-dt);
+
cur.tstamp = timenow; /* Store the time-stamp. */
- DEBUGP(("Timestamp: %ld\n", cur.tstamp));
+ DEBUGP (("Timestamp: %ld\n", cur.tstamp));
+ cur.ptype = TT_HOUR_MIN;
/* Add the data for this item to the linked list, */
if (!dir)
fprintf (fp, "%d %s %02d ", ptm->tm_year + 1900, months[ptm->tm_mon],
ptm->tm_mday);
- if (ptm->tm_hour)
+ if (f->ptype == TT_HOUR_MIN)
fprintf (fp, "%02d:%02d ", ptm->tm_hour, ptm->tm_min);
else
fprintf (fp, " ");