+ /* Line loop to end of file: */
+ while ((len = getline (&line, &bufsize, fp)) > 0)
+ {
+ len = clean_line (line, len);
+
+ /* 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) continue;
+ 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;
+ 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;
+ }
+ 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;
+ 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 */
+ cur.ptype = TT_HOUR_MIN;
+
+ 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;
+}
+
+
+
+/* Convert the VMS-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 VMS
+ "DIRECTORY [/SIZE [= ALL]] /DATE [/OWNER] [/PROTECTION]" command,
+ more or less. (Different VMS FTP servers may have different headers,
+ and may not supply the same data, but all should be subsets of this.)
+
+ VMS normally provides local (server) time and date information.
+ Define the logical name or environment variable
+ "WGET_TIMEZONE_DIFFERENTIAL" (seconds) to adjust the receiving local
+ times if different from the remote local times.
+
+ 2005-02-23 SMS.
+ Added code to eliminate "^" escape characters from ODS5 extended file
+ names. The TCPIP FTP server (V5.4) seems to prefer requests which do
+ not use the escaped names which it provides.
+*/
+
+#define VMS_DEFAULT_PROT_FILE 0644
+#define VMS_DEFAULT_PROT_DIR 0755
+
+/* 2005-02-23 SMS.
+ eat_carets().
+
+ Delete ODS5 extended file name escape characters ("^") in the
+ original buffer.
+ Note that the current scheme does not handle all EFN cases, but it
+ could be made more complicated.
+*/
+
+static void eat_carets( char *str)
+/* char *str; Source pointer. */
+{
+ char *strd; /* Destination pointer. */
+ char hdgt;
+ unsigned char uchr;
+ unsigned char prop;
+
+ /* Skip ahead to the first "^", if any. */
+ while ((*str != '\0') && (*str != '^'))
+ str++;
+
+ /* If no caret was found, quit early. */
+ if (*str != '\0')
+ {
+ /* Shift characters leftward as carets are found. */
+ strd = str;
+ while (*str != '\0')
+ {
+ uchr = *str;
+ if (uchr == '^')
+ {
+ /* Found a caret. Skip it, and check the next character. */
+ uchr = *(++str);
+ prop = char_prop[ uchr];
+ if (prop& 64)
+ {
+ /* Hex digit. Get char code from this and next hex digit. */
+ if (uchr <= '9')
+ {
+ hdgt = uchr- '0'; /* '0' - '9' -> 0 - 9. */
+ }
+ else
+ {
+ hdgt = ((uchr- 'A')& 7)+ 10; /* [Aa] - [Ff] -> 10 - 15. */
+ }
+ hdgt <<= 4; /* X16. */
+ uchr = *(++str); /* Next char must be hex digit. */
+ if (uchr <= '9')
+ {
+ uchr = hdgt+ uchr- '0';
+ }
+ else
+ {
+ uchr = hdgt+ ((uchr- 'A')& 15)+ 10;
+ }
+ }
+ else if (uchr == '_')
+ {
+ /* Convert escaped "_" to " ". */
+ uchr = ' ';
+ }
+ else if (uchr == '/')
+ {
+ /* Convert escaped "/" (invalid Zip) to "?" (invalid VMS). */
+ /* Note that this is a left-over from Info-ZIP code, and is
+ probably of little value here, except perhaps to avoid
+ directory confusion which an unconverted slash might cause.
+ */
+ uchr = '?';
+ }
+ /* Else, not a hex digit. Must be a simple escaped character
+ (or Unicode, which is not yet handled here).
+ */
+ }
+ /* Else, not a caret. Use as-is. */
+ *strd = uchr;
+
+ /* Advance destination and source pointers. */
+ strd++;
+ str++;
+ }
+ /* Terminate the destination string. */
+ *strd = '\0';
+ }
+}
+
+
+static struct fileinfo *
+ftp_parse_vms_ls (const char *file)
+{
+ FILE *fp;
+ int dt, i, j, len;
+ int perms;
+ size_t bufsize = 0;
+ time_t timenow;
+ struct tm *timestruct;
+ char date_str[ 32];
+
+ char *line = NULL, *tok; /* tokenizer */
+ struct fileinfo *dir, *l, cur; /* list creation */
+
+ fp = fopen (file, "r");
+ if (!fp)
+ {
+ logprintf (LOG_NOTQUIET, "%s: %s\n", file, strerror (errno));
+ return NULL;
+ }
+ dir = l = NULL;
+
+ /* Skip blank lines, Directory heading, and more blank lines. */
+
+ for (j = 0; (i = getline (&line, &bufsize, fp)) > 0; )
+ {
+ i = clean_line (line, i);
+ if (i <= 0)
+ continue; /* Ignore blank line. */
+
+ if ((j == 0) && (line[i - 1] == ']'))
+ {
+ /* Found Directory heading line. Next non-blank line
+ is significant. */
+ j = 1;
+ }
+ else if (!strncmp (line, "Total of ", 9))
+ {
+ /* Found "Total of ..." footing line. No valid data
+ will follow (empty directory). */
+ i = 0; /* Arrange for early exit. */
+ break;
+ }
+ else
+ {
+ break; /* Must be significant data. */
+ }
+ }
+
+ /* Read remainder of file until the next blank line or EOF. */
+
+ while (i > 0)
+ {
+ char *p;
+
+ /* The first token is the file name. After a long name, other
+ data may be on the following line. A valid directory name ends
+ in ".DIR;1" (any case), although some VMS FTP servers may omit
+ the version number (";1").
+ */
+
+ tok = strtok(line, " ");
+ if (tok == NULL) tok = line;
+ 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
+ else's problem. (Define PRESERVE_VMS_VERSIONS for proper
+ operation on other operating systems.)
+
+ 2005-02-23 SMS.
+ ODS5 extended file names may contain escaped semi-colons, so
+ the version number is identified as right-side decimal digits
+ led by a non-escaped semi-colon. It may be absent.
+ */
+
+#if (!defined( __VMS) && !defined( PRESERVE_VMS_VERSIONS))
+ for (p = tok + strlen (tok); (--p > tok) && c_isdigit( *p); );
+ if ((*p == ';') && (*(p- 1) != '^'))
+ {
+ *p = '\0';
+ }
+#endif /* (!defined( __VMS) && !defined( PRESERVE_VMS_VERSIONS)) */
+
+ /* 2005-02-23 SMS.
+ 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));
+
+ /* Differentiate between a directory and any other file. A VMS
+ listing may not include file protections (permissions). Set a
+ default permissions value (according to the file type), which
+ may be overwritten later. Store directory names without the
+ ".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))
+ {
+ *(tok+ (len - 4)) = '\0'; /* Discard ".DIR". */
+ cur.type = FT_DIRECTORY;
+ cur.perms = VMS_DEFAULT_PROT_DIR;
+ DEBUGP (("Directory (nv)\n"));
+ }
+ else if (!strncasecmp ((tok + (len - 6)), ".DIR;1", 6))
+ {
+ *(tok+ (len - 6)) = '\0'; /* Discard ".DIR;1". */
+ cur.type = FT_DIRECTORY;
+ cur.perms = VMS_DEFAULT_PROT_DIR;
+ DEBUGP (("Directory (v)\n"));
+ }
+ else
+ {
+ cur.type = FT_PLAINFILE;
+ cur.perms = VMS_DEFAULT_PROT_FILE;
+ DEBUGP (("File\n"));
+ }
+ cur.name = xstrdup (tok);
+ DEBUGP (("Name: '%s'\n", cur.name));
+
+ /* Null the date and time string. */
+ *date_str = '\0';
+
+ /* VMS lacks symbolic links. */
+ cur.linkto = NULL;
+
+ /* VMS reports file sizes in (512-byte) disk blocks, not bytes,
+ hence useless for an integrity check based on byte-count.
+ Set size to unknown.
+ */
+ 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, " ");
+ if (tok == NULL)
+ {
+ DEBUGP (("Getting additional line.\n"));
+ i = getline (&line, &bufsize, fp);
+ if (i <= 0)
+ {
+ DEBUGP (("EOF. Leaving listing parser.\n"));
+ break;
+ }
+
+ /* Second line must begin with " ". Otherwise, it's a first
+ line (and we may be confused).
+ */
+ i = clean_line (line, i);
+ if (i <= 0)
+ {
+ /* Blank line. End of significant file listing. */
+ DEBUGP (("Blank line. Leaving listing parser.\n"));
+ break;
+ }
+ else if (line[0] != ' ')
+ {
+ DEBUGP (("Non-blank in column 1. Must be a new file name?\n"));
+ continue;
+ }
+ else
+ {
+ tok = strtok (line, " ");
+ if (tok == NULL)
+ {
+ /* Unexpected non-empty but apparently blank line. */
+ DEBUGP (("Null token. Leaving listing parser.\n"));
+ break;
+ }
+ }
+ }
+
+ /* Analyze tokens. (Order is not significant, except date must
+ precede time.)
+
+ Size: ddd or ddd/ddd (where "ddd" is a decimal number)
+ Date: DD-MMM-YYYY
+ 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.
+
+ If permission is lacking, info may be replaced by the string:
+ "No privilege for attempted operation".
+ */
+ while (tok != NULL)
+ {
+ 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;
+ /*FIXME: Should not be using the variable like this. */
+ for (i = 0; i < (int) 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"));
+ }
+
+ tok = strtok (NULL, " ");
+ }
+
+ /* Tokens exhausted. Interpret the data, and fill in the
+ structure.
+ */
+ /* Fill tm timestruct according to date-time string. Fractional
+ seconds are ignored. Default to current time, if conversion
+ fails.
+ */
+ timenow = time( NULL);
+ timestruct = localtime( &timenow );
+ strptime( date_str, "%d-%b-%Y %H:%M:%S", timestruct);
+
+ /* 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)
+ {
+ dt = atoi (tok);
+ DEBUGP (("Time differential = %d.\n", dt));
+ }
+ else
+ dt = 0;
+
+ if (dt >= 0)
+ timenow += dt;
+ else
+ timenow -= (-dt);
+
+ cur.tstamp = timenow; /* Store the time-stamp. */
+ DEBUGP (("Timestamp: %ld\n", cur.tstamp));
+ cur.ptype = TT_HOUR_MIN;
+
+ /* Add the data for this item to the linked list, */
+ if (!dir)
+ {
+ l = dir = (struct fileinfo *)xmalloc (sizeof (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;
+ }
+
+ i = getline (&line, &bufsize, fp);
+ if (i > 0)
+ {
+ i = clean_line (line, i);
+ if (i <= 0)
+ {
+ /* Blank line. End of significant file listing. */
+ break;
+ }
+ }
+ }
+
+ xfree (line);