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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Version: MPL 1.1/GPL 2.0/LGPL 2.1
//
// The contents of this file are subject to the Mozilla Public License Version
// 1.1 (the "License"); you may not use this file except in compliance with
// the License. You may obtain a copy of the License at
// http://www.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
// for the specific language governing rights and limitations under the
// License.
//
// The Original Code is mozilla.org Code.
//
// The Initial Developer of the Original Code is
// Cyrus Patel <cyp@fb14.uni-mainz.de>.
// Portions created by the Initial Developer are Copyright (C) 2002
// the Initial Developer. All Rights Reserved.
//
// Contributor(s):
// Doug Turner <dougt@netscape.com>
//
// Alternatively, the contents of this file may be used under the terms of
// either the GNU General Public License Version 2 or later (the "GPL"), or
// the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
// in which case the provisions of the GPL or the LGPL are applicable instead
// of those above. If you wish to allow use of your version of this file only
// under the terms of either the GPL or the LGPL, and not to allow others to
// use your version of this file under the terms of the MPL, indicate your
// decision by deleting the provisions above and replace them with the notice
// and other provisions required by the GPL or the LGPL. If you do not delete
// the provisions above, a recipient may use your version of this file under
// the terms of any one of the MPL, the GPL or the LGPL.
// Derived from:
// mozilla/netwerk/streamconv/converters/ParseFTPList.cpp revision 1.10
#include "net/ftp/ftp_directory_parser.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "build/build_config.h"
#include "base/basictypes.h"
#include "base/string_util.h"
// #undef anything you don't want to support
#define SUPPORT_LSL // /bin/ls -l and dozens of variations therof
#define SUPPORT_DLS // /bin/dls format (very, Very, VERY rare)
#define SUPPORT_EPLF // Extraordinarily Pathetic List Format
#define SUPPORT_DOS // WinNT server in 'site dirstyle' dos
#define SUPPORT_VMS // VMS (all: MultiNet, UCX, CMU-IP)
#define SUPPORT_CMS // IBM VM/CMS,VM/ESA (z/VM and LISTING forms)
#define SUPPORT_OS2 // IBM TCP/IP for OS/2 - FTP Server
#define SUPPORT_W16 // win16 hosts: SuperTCP or NetManage Chameleon
// Implement the Unix gmtime_r() function for Windows.
#if defined(OS_WIN)
static struct tm *gmtime_r(const time_t *timer, struct tm *result) {
errno_t error = gmtime_s(result, timer);
if (error) {
errno = error;
return NULL;
}
return result;
}
#endif
namespace net {
LineType ParseFTPLine(const char *line,
struct ListState *state,
struct ListResult *result) {
unsigned int carry_buf_len;
unsigned int linelen, pos;
const char *p;
if (!line || !state || !result)
return FTP_TYPE_JUNK;
memset(result, 0, sizeof(*result));
if (state->magic != ((void *)ParseFTPLine)) {
memset(state, 0, sizeof(*state));
state->magic = ((void *)ParseFTPLine);
}
state->numlines++;
// Carry buffer is only valid from one line to the next.
carry_buf_len = state->carry_buf_len;
state->carry_buf_len = 0;
linelen = 0;
// Strip leading whitespace.
while (*line == ' ' || *line == '\t')
line++;
// Line is terminated at first '\0' or '\n'.
p = line;
while (*p && *p != '\n')
p++;
linelen = p - line;
if (linelen > 0 && *p == '\n' && *(p-1) == '\r')
linelen--;
// DON'T strip trailing whitespace.
if (linelen > 0) {
static const char *month_names = "JanFebMarAprMayJunJulAugSepOctNovDec";
const char *tokens[16];
unsigned int toklen[(sizeof(tokens)/sizeof(tokens[0]))];
unsigned int linelen_sans_wsp;
unsigned int numtoks = 0;
unsigned int tokmarker = 0;
unsigned int month_num = 0;
char tbuf[4];
int lstyle = 0;
// VMS long filename carryover buffer.
if (carry_buf_len) {
tokens[0] = state->carry_buf;
toklen[0] = carry_buf_len;
numtoks++;
}
pos = 0;
while (pos < linelen && numtoks < (sizeof(tokens)/sizeof(tokens[0]))) {
while (pos < linelen &&
(line[pos] == ' ' || line[pos] == '\t' || line[pos] == '\r'))
pos++;
if (pos < linelen) {
tokens[numtoks] = &line[pos];
while (pos < linelen &&
(line[pos] != ' ' && line[pos] != '\t' && line[pos] != '\r'))
pos++;
if (tokens[numtoks] != &line[pos]) {
toklen[numtoks] = (&line[pos] - tokens[numtoks]);
numtoks++;
}
}
}
linelen_sans_wsp = &(tokens[numtoks-1][toklen[numtoks-1]]) - tokens[0];
if (numtoks == (sizeof(tokens)/sizeof(tokens[0]))) {
pos = linelen;
while (pos > 0 && (line[pos-1] == ' ' || line[pos-1] == '\t'))
pos--;
linelen_sans_wsp = pos;
}
#if defined(SUPPORT_EPLF)
// EPLF handling must come somewhere before /bin/dls handling.
if (!lstyle && (!state->lstyle || state->lstyle == 'E')) {
if (*line == '+' && linelen > 4 && numtoks >= 2) {
pos = 1;
while (pos < (linelen-1)) {
p = &line[pos++];
if (*p == '/')
result->fe_type = FTP_TYPE_DIRECTORY; // Its a dir.
else if (*p == 'r')
result->fe_type = FTP_TYPE_FILE;
else if (*p == 'm') {
if (isdigit(line[pos])) {
while (pos < linelen && isdigit(line[pos]))
pos++;
if (pos < linelen && line[pos] == ',') {
uint64 seconds = 0;
seconds = StringToInt64(p + 1);
time_t tim = static_cast<time_t>(seconds);
gmtime_r(&tim, &result->fe_time);
}
}
} else if (*p == 's') {
if (isdigit(line[pos])) {
while (pos < linelen && isdigit(line[pos]))
pos++;
if (pos < linelen && line[pos] == ',' &&
((&line[pos]) - (p+1)) <
static_cast<int>(sizeof(result->fe_size) - 1)) {
memcpy(result->fe_size, p + 1,
(unsigned)(&line[pos] - (p + 1)));
result->fe_size[(&line[pos] - (p+1))] = '\0';
}
}
} else if (isalpha(*p)) {
while (pos < linelen && *++p != ',')
pos++;
} else if (*p != '\t' || (p + 1) != tokens[1]) {
break; // Its not EPLF after all.
} else {
state->parsed_one = 1;
state->lstyle = lstyle = 'E';
p = &(line[linelen_sans_wsp]);
result->fe_fname = tokens[1];
result->fe_fnlen = p - tokens[1];
// Access denied.
if (!result->fe_type) {
// is assuming 'f'ile correct?
result->fe_type = FTP_TYPE_FILE;
return FTP_TYPE_JUNK; // NO! junk it.
}
return result->fe_type;
}
if (pos >= (linelen-1) || line[pos] != ',')
break;
pos++;
} // while (pos < linelen)
memset(result, 0, sizeof(*result));
} // if (*line == '+' && linelen > 4 && numtoks >= 2).
} // if (!lstyle && (!state->lstyle || state->lstyle == 'E')).
#endif // SUPPORT_EPLF
#if defined(SUPPORT_VMS)
// try VMS Multinet/UCX/CMS server
if (!lstyle && (!state->lstyle || state->lstyle == 'V')) {
// Legal characters in a VMS file/dir spec are [A-Z0-9$.-_~].
// '$' cannot begin a filename and `-' cannot be used as the first
// or last character. '.' is only valid as a directory separator
// and <file>.<type> separator. A canonical filename spec might look
// like this: DISK$VOL:[DIR1.DIR2.DIR3]FILE.TYPE;123
// All VMS FTP servers LIST in uppercase.
// We need to be picky about this in order to support
// multi-line listings correctly.
if ((!state->parsed_one &&
numtoks == 1) || (numtoks == 2 && toklen[0] == 9 &&
memcmp(tokens[0], "Directory", 9) == 0)) {
// If no dirstyle has been detected yet, and this line is a
// VMS list's dirname, then turn on VMS dirstyle.
// eg "ACA:[ANONYMOUS]", "DISK$FTP:[ANONYMOUS]", "SYS$ANONFTP:"
p = tokens[0];
pos = toklen[0];
if (numtoks == 2) {
p = tokens[1];
pos = toklen[1];
}
pos--;
if (pos >= 3) {
while (pos > 0 && p[pos] != '[') {
pos--;
if (p[pos] == '-' || p[pos] == '$') {
if (pos == 0 || p[pos-1] == '[' || p[pos-1] == '.' ||
(p[pos] == '-' && (p[pos+1] == ']' || p[pos+1] == '.')))
break;
} else if (p[pos] != '.' && p[pos] != '~' &&
!isdigit(p[pos]) && !isalpha(p[pos])) {
break;
} else if (isalpha(p[pos]) && p[pos] != toupper(p[pos])) {
break;
}
}
if (pos > 0) {
pos--;
if (p[pos] != ':' || p[pos+1] != '[')
pos = 0;
}
}
if (pos > 0 && p[pos] == ':') {
while (pos > 0) {
pos--;
if (p[pos] != '$' && p[pos] != '_' && p[pos] != '-' &&
p[pos] != '~' && !isdigit(p[pos]) && !isalpha(p[pos]))
break;
else if (isalpha(p[pos]) && p[pos] != toupper(p[pos]))
break;
}
if (pos == 0) {
state->lstyle = 'V';
return FTP_TYPE_JUNK; // Its junk.
}
}
// fallthrough
} else if ((tokens[0][toklen[0]-1]) != ';') {
if (numtoks == 1 && (state->lstyle == 'V' && !carry_buf_len))
lstyle = 'V';
else if (numtoks < 4);
else if (toklen[1] >= 10 && memcmp(tokens[1], "%RMS-E-PRV", 10) == 0)
lstyle = 'V';
else if ((&line[linelen] - tokens[1]) >= 22 &&
memcmp(tokens[1], "insufficient privilege", 22) == 0)
lstyle = 'V';
else if (numtoks != 4 && numtoks != 6) {
} else if (numtoks == 6 && (
toklen[5] < 4 || *tokens[5] != '(' ||
(tokens[5][toklen[5]-1]) != ')')) {
} else if ((toklen[2] == 10 || toklen[2] == 11) &&
(tokens[2][toklen[2]-5]) == '-' &&
(tokens[2][toklen[2]-9]) == '-' &&
(((toklen[3] == 4 || toklen[3] == 5 || toklen[3] == 7 ||
toklen[3] == 8) &&
(tokens[3][toklen[3]-3]) == ':') ||
((toklen[3] == 10 || toklen[3] == 11) &&
(tokens[3][toklen[3]-3]) == '.')) &&
// Time in [H]H:MM[:SS[.CC]] format.
isdigit(*tokens[1]) && // size
isdigit(*tokens[2]) && // date
isdigit(*tokens[3]) // time
) {
lstyle = 'V';
}
if (lstyle == 'V') {
// MultiNet FTP:
// LOGIN.COM;2 1 4-NOV-1994 04:09 [ANONYMOUS] (RWE,RWE,,)
// PUB.DIR;1 1 27-JAN-1994 14:46 [ANONYMOUS] (RWE,RWE,RE,RWE)
// README.FTP;1 %RMS-E-PRV, insufficient privilege or file
// protection violation
// ROUSSOS.DIR;1 1 27-JAN-1994 14:48 [CS,ROUSSOS] (RWE,RWE,RE,R)
// S67-50903.JPG;1 328 22-SEP-1998 16:19 [ANONYMOUS] (RWED,RWED,,)
// UCX FTP:
// CII-MANUAL.TEX;1 213/216 29-JAN-1996 03:33:12[ANONYMOU,ANONYMOUS]
// (RWED,RWED,,)
// CMU/VMS-IP FTP
// [VMSSERV.FILES]ALARM.DIR;1 1/3 5-MAR-1993 18:09
// TCPware FTP
// FOO.BAR;1 4 5-MAR-1993 18:09:01.12
// Long filename example:
// THIS-IS-A-LONG-VMS-FILENAME.AND-THIS-IS-A-LONG-VMS-FILETYPE\r\n
// 213[/nnn] 29-JAN-1996 03:33[:nn] [ANONYMOU,ANONYMOUS] (RWED,RWED,,)
tokmarker = 0;
p = tokens[0];
pos = 0;
if (*p == '[' && toklen[0] >= 4) {
if (p[1] != ']') {
p++;
pos++;
}
while (lstyle && pos < toklen[0] && *p != ']') {
if (*p != '$' && *p != '.' && *p != '_' && *p != '-' &&
*p != '~' && !isdigit(*p) && !isalpha(*p))
lstyle = 0;
pos++;
p++;
}
if (lstyle && pos < (toklen[0]-1) && *p == ']') {
pos++;
p++;
tokmarker = pos; // length of leading "[DIR1.DIR2.etc]"
}
}
while (lstyle && pos < toklen[0] && *p != ';') {
if (*p != '$' && *p != '.' && *p != '_' && *p != '-' &&
*p != '~' && !isdigit(*p) && !isalpha(*p))
lstyle = 0;
else if (isalpha(*p) && *p != toupper(*p))
lstyle = 0;
p++;
pos++;
}
if (lstyle && *p == ';') {
if (pos == 0 || pos == (toklen[0]-1))
lstyle = 0;
for (pos++;lstyle && pos < toklen[0];pos++) {
if (!isdigit(tokens[0][pos]))
lstyle = 0;
}
}
pos = (p - tokens[0]); // => fnlength sans ";####"
pos -= tokmarker; // => fnlength sans "[DIR1.DIR2.etc]"
p = &(tokens[0][tokmarker]); // offset of basename.
if (!lstyle || pos > 80) {
// VMS filenames can't be longer than that.
lstyle = 0;
} else if (numtoks == 1) {
// If VMS has been detected and there is only one token and
// that token was a VMS filename then this is a multiline
// VMS LIST entry.
if (pos >= (sizeof(state->carry_buf) - 1))
pos = (sizeof(state->carry_buf) - 1); // Shouldn't happen.
memcpy(state->carry_buf, p, pos);
state->carry_buf_len = pos;
return FTP_TYPE_JUNK; // Tell caller to treat as junk.
} else if (isdigit(*tokens[1])) { // not no-privs message.
for (pos = 0; lstyle && pos < (toklen[1]); pos++) {
if (!isdigit((tokens[1][pos])) && (tokens[1][pos]) != '/')
lstyle = 0;
}
if (lstyle && numtoks > 4) { // Multinet or UCX but not CMU.
for (pos = 1; lstyle && pos < (toklen[5]-1); pos++) {
p = &(tokens[5][pos]);
if (*p != 'R' && *p != 'W' && *p != 'E' &&
*p != 'D' && *p != ',')
lstyle = 0;
}
}
}
} // passed initial tests
} // else if ((tokens[0][toklen[0]-1]) != ';')
if (lstyle == 'V') {
state->parsed_one = 1;
state->lstyle = lstyle;
if (isdigit(*tokens[1])) { // not permission denied etc
// strip leading directory name
if (*tokens[0] == '[') { // CMU server
pos = toklen[0] - 1;
p = tokens[0] + 1;
while (*p != ']') {
p++;
pos--;
}
toklen[0] = --pos;
tokens[0] = ++p;
}
pos = 0;
while (pos < toklen[0] && (tokens[0][pos]) != ';')
pos++;
result->fe_cinfs = 1;
result->fe_type = FTP_TYPE_FILE;
result->fe_fname = tokens[0];
result->fe_fnlen = pos;
if (pos > 4) {
p = &(tokens[0][pos-4]);
if (p[0] == '.' && p[1] == 'D' && p[2] == 'I' && p[3] == 'R') {
result->fe_fnlen -= 4;
result->fe_type = FTP_TYPE_DIRECTORY;
}
}
if (result->fe_type != FTP_TYPE_DIRECTORY) {
// #### or used/allocated form. If used/allocated form, then
// 'used' is the size in bytes if and only if 'used'<=allocated.
// If 'used' is size in bytes then it can be > 2^32
// If 'used' is not size in bytes then it is size in blocks.
pos = 0;
while (pos < toklen[1] && (tokens[1][pos]) != '/')
pos++;
// size requires multiplication by blocksize.
//
// We could assume blocksize is 512 (like Lynx does) and
// shift by 9, but that might not be right. Even if it
// were, doing that wouldn't reflect what the file's
// real size was. The sanest thing to do is not use the
// LISTing's filesize, so we won't (like ftpmirror).
//
// ulltoa(((uint64)fsz)<<9, result->fe_size, 10);
//
// A block is always 512 bytes on OpenVMS, compute size.
// So its rounded up to the next block, so what, its better
// than not showing the size at all.
// A block is always 512 bytes on OpenVMS, compute size.
// So its rounded up to the next block, so what, its better
// than not showing the size at all.
uint64 size = strtoul(tokens[1], NULL, 10) * 512;
base::snprintf(result->fe_size, sizeof(result->fe_size),
"%lld", size);
} // if (result->fe_type != FTP_TYPE_DIRECTORY)
p = tokens[2] + 2;
if (*p == '-')
p++;
tbuf[0] = p[0];
tbuf[1] = tolower(p[1]);
tbuf[2] = tolower(p[2]);
month_num = 0;
for (pos = 0; pos < (12*3); pos += 3) {
if (tbuf[0] == month_names[pos+0] &&
tbuf[1] == month_names[pos + 1] &&
tbuf[2] == month_names[pos + 2])
break;
month_num++;
}
if (month_num >= 12)
month_num = 0;
result->fe_time.tm_mon = month_num;
result->fe_time.tm_mday = StringToInt(tokens[2]);
result->fe_time.tm_year = StringToInt(p + 4);
// NSPR wants year as XXXX
p = tokens[3] + 2;
if (*p == ':')
p++;
if (p[2] == ':')
result->fe_time.tm_sec = StringToInt(p + 3);
result->fe_time.tm_hour = StringToInt(tokens[3]);
result->fe_time.tm_min = StringToInt(p);
return result->fe_type;
} // if (isdigit(*tokens[1]))
return FTP_TYPE_JUNK; // junk
} // if (lstyle == 'V')
} // if (!lstyle && (!state->lstyle || state->lstyle == 'V'))
#endif // SUPPORT_VMS
#if defined(SUPPORT_CMS)
// Virtual Machine/Conversational Monitor System (IBM Mainframe)
if (!lstyle && (!state->lstyle || state->lstyle == 'C')) { // VM/CMS
// LISTing according to mirror.pl
// Filename FileType Fm Format Lrecl Records Blocks Date Time
// LASTING GLOBALV A1 V 41 21 1 9/16/91 15:10:32
// J43401 NETLOG A0 V 77 1 1 9/12/91 12:36:04
// PROFILE EXEC A1 V 17 3 1 9/12/91 12:39:07
// DIRUNIX SCRIPT A1 V 77 1216 17 1/04/93 20:30:47
// MAIL PROFILE A2 F 80 1 1 10/14/92 16:12:27
// BADY2K TEXT A0 V 1 1 1 1/03/102 10:11:12
// AUTHORS A1 DIR - - - 9/20/99 10:31:11
//
// LISTing from vm.marist.edu and vm.sc.edu
// 220-FTPSERVE IBM VM Level 420 at VM.MARIST.EDU, 04:58:12 EDT WEDNESDAY 2002-07-10
// AUTHORS DIR - - - 1999-09-20 10:31:11 -
// HARRINGTON DIR - - - 1997-02-12 15:33:28 -
// PICS DIR - - - 2000-10-12 15:43:23 -
// SYSFILE DIR - - - 2000-07-20 17:48:01 -
// WELCNVT EXEC V 72 9 1 1999-09-20 17:16:18 -
// WELCOME EREADME F 80 21 1 1999-12-27 16:19:00 -
// WELCOME README V 82 21 1 1999-12-27 16:19:04 -
// README ANONYMOU V 71 26 1 1997-04-02 12:33:20 TCP291
// README ANONYOLD V 71 15 1 1995-08-25 16:04:27 TCP291
if (numtoks >= 7 && (toklen[0]+toklen[1]) <= 16) {
for (pos = 1; !lstyle && (pos+5) < numtoks; pos++) {
p = tokens[pos];
if ((toklen[pos] == 1 && (*p == 'F' || *p == 'V')) ||
(toklen[pos] == 3 && *p == 'D' && p[1] == 'I' && p[2] == 'R')) {
if (toklen[pos+5] == 8 && (tokens[pos+5][2]) == ':' &&
(tokens[pos+5][5]) == ':') {
p = tokens[pos+4];
if ((toklen[pos+4] == 10 && p[4] == '-' && p[7] == '-') ||
(toklen[pos+4] >= 7 && toklen[pos+4] <= 9 &&
p[((p[1] != '/')?(2):(1))] == '/' &&
p[((p[1] != '/')?(5):(4))] == '/')) {
// Y2K bugs possible ("7/06/102" or "13/02/101")
if ((*tokens[pos+1] == '-' &&
*tokens[pos+2] == '-' &&
*tokens[pos+3] == '-') ||
(isdigit(*tokens[pos+1]) &&
isdigit(*tokens[pos+2]) &&
isdigit(*tokens[pos+3]))) {
lstyle = 'C';
tokmarker = pos;
} // if ((*tokens[pos+1] == '-' &&
} // if ((toklen[pos+4] == 10
} // toklen[pos+5] == 8
} // if ((toklen[pos] == 1 && (*p == 'F'
} // for (pos = 1; !lstyle && (pos+5) < numtoks; pos++)
} // if (numtoks >= 7)
// extra checking if first pass
if (lstyle && !state->lstyle) {
for (pos = 0, p = tokens[0]; lstyle && pos < toklen[0]; pos++, p++) {
if (isalpha(*p) && toupper(*p) != *p)
lstyle = 0;
}
for (pos = tokmarker+1; pos <= tokmarker+3; pos++) {
if (!(toklen[pos] == 1 && *tokens[pos] == '-')) {
for (p = tokens[pos]; lstyle && p < (tokens[pos] + toklen[pos]);
p++) {
if (!isdigit(*p))
lstyle = 0;
} // for (p = tokens[pos]; lstyle
} // if (!(toklen[pos] == 1
} // for (pos = tokmarker+1;
for (pos = 0, p = tokens[tokmarker+4];
lstyle && pos < toklen[tokmarker+4]; pos++, p++) {
if (*p == '/') {
// There may be Y2K bugs in the date. Don't simplify to
// pos != (len-3) && pos != (len-6) like time is done.
if ((tokens[tokmarker + 4][1]) == '/') {
if (pos != 1 && pos != 4)
lstyle = 0;
} else if (pos != 2 && pos != 5) {
lstyle = 0;
}
} else if (*p != '-' && !isdigit(*p)) {
lstyle = 0;
} else if (*p == '-' && pos != 4 && pos != 7) {
lstyle = 0;
}
}
for (pos = 0, p = tokens[tokmarker+5];
lstyle && pos < toklen[tokmarker+5]; pos++, p++) {
if (*p != ':' && !isdigit(*p))
lstyle = 0;
else if (*p == ':' && pos != (toklen[tokmarker+5]-3)
&& pos != (toklen[tokmarker+5]-6))
lstyle = 0;
}
} // if (lstyle && !state->lstyle)
if (lstyle == 'C') {
state->parsed_one = 1;
state->lstyle = lstyle;
p = tokens[tokmarker+4];
if (toklen[tokmarker+4] == 10) { // newstyle: YYYY-MM-DD format
result->fe_time.tm_year = StringToInt(p + 0) - 1900;
result->fe_time.tm_mon = StringToInt(p + 5) - 1;
result->fe_time.tm_mday = StringToInt(p + 8);
} else { // oldstyle: [M]M/DD/YY format
pos = toklen[tokmarker + 4];
result->fe_time.tm_mon = StringToInt(p) - 1;
result->fe_time.tm_mday = StringToInt((p + pos)-5);
result->fe_time.tm_year = StringToInt((p + pos)-2);
if (result->fe_time.tm_year < 70)
result->fe_time.tm_year += 100;
}
p = tokens[tokmarker + 5];
pos = toklen[tokmarker + 5];
result->fe_time.tm_hour = StringToInt(p);
result->fe_time.tm_min = StringToInt((p + pos) - 5);
result->fe_time.tm_sec = StringToInt((p + pos) - 2);
result->fe_cinfs = 1;
result->fe_fname = tokens[0];
result->fe_fnlen = toklen[0];
result->fe_type = FTP_TYPE_FILE;
p = tokens[tokmarker];
if (toklen[tokmarker] == 3 && *p == 'D' && p[1] == 'I' && p[2] == 'R')
result->fe_type = FTP_TYPE_DIRECTORY;
if ((toklen[tokmarker+4] == 10 && tokmarker > 1) ||
(toklen[tokmarker+4] != 10 && tokmarker > 2)) {
// have a filetype column
char *dot;
p = &(tokens[0][toklen[0]]);
memcpy(&dot, &p, sizeof(dot)); // NASTY
*dot++ = '.';
p = tokens[1];
for (pos = 0; pos < toklen[1]; pos++)
*dot++ = *p++;
result->fe_fnlen += 1 + toklen[1];
}
// oldstyle LISTING:
// files/dirs not on the 'A' minidisk are not RETRievable/CHDIRable
// if (toklen[tokmarker+4] != 10 && *tokens[tokmarker-1] != 'A')
// return FTP_TYPE_JUNK;
// VM/CMS LISTings have no usable filesize field.
// Have to use the 'SIZE' command for that.
return result->fe_type;
} // if (lstyle == 'C' && (!state->lstyle || state->lstyle == lstyle))
} // VM/CMS
#endif // SUPPORT_CMS
#if defined(SUPPORT_DOS) // WinNT DOS dirstyle
if (!lstyle && (!state->lstyle || state->lstyle == 'W')) {
// "10-23-00 01:27PM <DIR> veronist"
// "06-15-00 07:37AM <DIR> zoe"
// "07-14-00 01:35PM 2094926 canprankdesk.tif"
// "07-21-00 01:19PM 95077 Jon Kauffman Enjoys the Good Life.jpg"
// "07-21-00 01:19PM 52275 Name Plate.jpg"
// "07-14-00 01:38PM 2250540 Valentineoffprank-HiRes.jpg"
if ((numtoks >= 4) && toklen[0] == 8 && toklen[1] == 7 &&
(*tokens[2] == '<' || isdigit(*tokens[2]))) {
p = tokens[0];
if (isdigit(p[0]) && isdigit(p[1]) && p[2] == '-' &&
isdigit(p[3]) && isdigit(p[4]) && p[5] == '-' &&
isdigit(p[6]) && isdigit(p[7])) {
p = tokens[1];
if (isdigit(p[0]) && isdigit(p[1]) && p[2] == ':' &&
isdigit(p[3]) && isdigit(p[4]) &&
(p[5] == 'A' || p[5] == 'P') && p[6] == 'M') {
lstyle = 'W';
if (!state->lstyle) {
p = tokens[2];
// <DIR> or <JUNCTION>
if (*p != '<' || p[toklen[2] - 1] != '>') {
for (pos = 1; (lstyle && pos < toklen[2]); pos++) {
if (!isdigit(*++p))
lstyle = 0;
}
}
}
}
}
}
if (lstyle == 'W') {
state->parsed_one = 1;
state->lstyle = lstyle;
p = &(line[linelen_sans_wsp]); // line end sans wsp
result->fe_cinfs = 1;
result->fe_fname = tokens[3];
result->fe_fnlen = p - tokens[3];
result->fe_type = FTP_TYPE_DIRECTORY;
if (*tokens[2] != '<') { // not <DIR> or <JUNCTION>
result->fe_type = FTP_TYPE_FILE;
pos = toklen[2];
while (pos > (sizeof(result->fe_size) - 1))
pos = (sizeof(result->fe_size) - 1);
memcpy(result->fe_size, tokens[2], pos);
result->fe_size[pos] = '\0';
} else if ((tokens[2][1]) != 'D') { // not <DIR>
result->fe_type = FTP_TYPE_JUNK; // unknown until junc for sure
if (result->fe_fnlen > 4) {
p = result->fe_fname;
for (pos = result->fe_fnlen - 4; pos > 0; pos--) {
if (p[0] == ' ' && p[3] == ' ' && p[2] == '>' &&
(p[1] == '=' || p[1] == '-')) {
result->fe_type = FTP_TYPE_SYMLINK;
result->fe_fnlen = p - result->fe_fname;
result->fe_lname = p + 4;
result->fe_lnlen = &(line[linelen_sans_wsp])
- result->fe_lname;
break;
}
p++;
}
}
}
result->fe_time.tm_mon = StringToInt(tokens[0]+0);
if (result->fe_time.tm_mon != 0) {
result->fe_time.tm_mon--;
result->fe_time.tm_mday = StringToInt(tokens[0]+3);
result->fe_time.tm_year = StringToInt(tokens[0]+6);
if (result->fe_time.tm_year < 80)
result->fe_time.tm_year += 100;
}
result->fe_time.tm_hour = StringToInt(tokens[1]+0);
result->fe_time.tm_min = StringToInt(tokens[1]+3);
if ((tokens[1][5]) == 'P' && result->fe_time.tm_hour < 12)
result->fe_time.tm_hour += 12;
// the caller should do this (if dropping "." and ".." is desired)
// if (result->fe_type == FTP_TYPE_DIRECTORY && result->fe_fname[0]
// == '.' &&
// (result->fe_fnlen == 1 || (result->fe_fnlen == 2 &&
// result->fe_fname[1] == '.')))
// return FTP_TYPE_JUNK;
return result->fe_type;
} // if (lstyle == 'W' && (!state->lstyle || state->lstyle == lstyle))
} // if (!lstyle && (!state->lstyle || state->lstyle == 'W'))
#endif
#if defined(SUPPORT_OS2)
if (!lstyle && (!state->lstyle || state->lstyle == 'O')) { // OS/2 test
// 220 server IBM TCP/IP for OS/2 - FTP Server ver 23:04:36 on
// Jan 15 1997 ready.
// fixed position, space padded columns. I have only a vague idea
// of what the contents between col 18 and 34 might be: All I can infer
// is that there may be attribute flags in there and there may be
// a " DIR" in there.
//
// 1 2 3 4 5 6
// 0123456789012345678901234567890123456789012345678901234567890123456789
// ----- size -------|??????????????? MM-DD-YY| HH:MM| nnnnnnnnn....
// 0 DIR 04-11-95 16:26 .
// 0 DIR 04-11-95 16:26 ..
// 0 DIR 04-11-95 16:26 ADDRESS
// 612 RHSA 07-28-95 16:45 air_tra1.bag
// 195 A 08-09-95 10:23 Alfa1.bag
// 0 RHS DIR 04-11-95 16:26 ATTACH
// 372 A 08-09-95 10:26 Aussie_1.bag
// 310992 06-28-94 09:56 INSTALL.EXE
// 1 2 3 4
// 01234567890123456789012345678901234567890123456789
// dirlist from the mirror.pl project, col positions from Mozilla.
p = &(line[toklen[0]]);
// \s(\d\d-\d\d-\d\d)\s+(\d\d:\d\d)\s
if (numtoks >= 4 && toklen[0] <= 18 && isdigit(*tokens[0]) &&
(linelen - toklen[0]) >= (53-18) &&
p[18-18] == ' ' && p[34-18] == ' ' &&
p[37-18] == '-' && p[40-18] == '-' && p[43-18] == ' ' &&
p[45-18] == ' ' && p[48-18] == ':' && p[51-18] == ' ' &&
isdigit(p[35-18]) && isdigit(p[36-18]) &&
isdigit(p[38-18]) && isdigit(p[39-18]) &&
isdigit(p[41-18]) && isdigit(p[42-18]) &&
isdigit(p[46-18]) && isdigit(p[47-18]) &&
isdigit(p[49-18]) && isdigit(p[50-18])) {
lstyle = 'O'; // OS/2
if (!state->lstyle) {
for (pos = 1; lstyle && pos < toklen[0]; pos++) {
if (!isdigit(tokens[0][pos]))
lstyle = 0;
}
}
}
if (lstyle == 'O') {
state->parsed_one = 1;
state->lstyle = lstyle;
p = &(line[toklen[0]]);
result->fe_cinfs = 1;
result->fe_fname = &p[53-18];
result->fe_fnlen = (&(line[linelen_sans_wsp]))
- (result->fe_fname);
result->fe_type = FTP_TYPE_FILE;
// I don't have a real listing to determine exact pos, so scan.
for (pos = (18-18); pos < ((35-18)-4); pos++) {
if (p[pos+0] == ' ' && p[pos+1] == 'D' &&
p[pos+2] == 'I' && p[pos+3] == 'R') {
result->fe_type = FTP_TYPE_DIRECTORY;
break;
}
}
if (result->fe_type != FTP_TYPE_DIRECTORY) {
pos = toklen[0];
if (pos > (sizeof(result->fe_size)-1))
pos = (sizeof(result->fe_size)-1);
memcpy(result->fe_size, tokens[0], pos);
result->fe_size[pos] = '\0';
}
result->fe_time.tm_mon = StringToInt(&p[35-18]) - 1;
result->fe_time.tm_mday = StringToInt(&p[38-18]);
result->fe_time.tm_year = StringToInt(&p[41-18]);
if (result->fe_time.tm_year < 80)
result->fe_time.tm_year += 100;
result->fe_time.tm_hour = StringToInt(&p[46-18]);
result->fe_time.tm_min = StringToInt(&p[49-18]);
// The caller should do this (if dropping "." and ".." is desired)
// if (result->fe_type == FTP_TYPE_DIRECTORY &&
// result->fe_fname[0] == '.' && (result->fe_fnlen == 1 ||
// (result->fe_fnlen == 2 && result->fe_fname[1] == '.')))
// return FTP_TYPE_JUNK;
return result->fe_type;
} // if (lstyle == 'O')
} // if (!lstyle && (!state->lstyle || state->lstyle == 'O'))
#endif // SUPPORT_OS2
#if defined(SUPPORT_LSL)
if (!lstyle && (!state->lstyle || state->lstyle == 'U')) { // /bin/ls & co.
// UNIX-style listing, without inum and without blocks
// "-rw-r--r-- 1 root other 531 Jan 29 03:26 README"
// "dr-xr-xr-x 2 root other 512 Apr 8 1994 etc"
// "dr-xr-xr-x 2 root 512 Apr 8 1994 etc"
// "lrwxrwxrwx 1 root other 7 Jan 25 00:17 bin -> usr/bin"
// Also produced by Microsoft's FTP servers for Windows:
// "---------- 1 owner group 1803128 Jul 10 10:18 ls-lR.Z"
// "d--------- 1 owner group 0 May 9 19:45 Softlib"
// Also WFTPD for MSDOS:
// "-rwxrwxrwx 1 noone nogroup 322 Aug 19 1996 message.ftp"
// Hellsoft for NetWare:
// "d[RWCEMFA] supervisor 512 Jan 16 18:53 login"
// "-[RWCEMFA] rhesus 214059 Oct 20 15:27 cx.exe"
// Newer Hellsoft for NetWare: (netlab2.usu.edu)
// - [RWCEAFMS] NFAUUser 192 Apr 27 15:21 HEADER.html
// d [RWCEAFMS] jrd 512 Jul 11 03:01 allupdates
// Also NetPresenz for the Mac:
// "-------r-- 326 1391972 1392298 Nov 22 1995 MegaPhone.sit"
// "drwxrwxr-x folder 2 May 10 1996 network"
// Protected directory:
// "drwx-wx-wt 2 root wheel 512 Jul 1 02:15 incoming"
// uid/gid instead of username/groupname:
// "drwxr-xr-x 2 0 0 512 May 28 22:17 etc"
if (numtoks >= 6) {
// there are two perm formats (Hellsoft/NetWare and *IX strmode(3)).
// Scan for size column only if the perm format is one or the other.
if (toklen[0] == 1 || (tokens[0][1]) == '[') {
if (*tokens[0] == FTP_TYPE_DIRECTORY || *tokens[0] == '-') {
pos = toklen[0]-1;
p = tokens[0] + 1;
if (pos == 0) {
p = tokens[1];
pos = toklen[1];
}
if ((pos == 9 || pos == 10) &&
(*p == '[' && p[pos-1] == ']') &&
(p[1] == 'R' || p[1] == '-') &&
(p[2] == 'W' || p[2] == '-') &&
(p[3] == 'C' || p[3] == '-') &&
(p[4] == 'E' || p[4] == '-')) {
// rest is FMA[S] or AFM[S]
lstyle = 'U'; // very likely one of the NetWare servers
}
}
} else if ((toklen[0] == 10 || toklen[0] == 11) &&
strchr("-bcdlpsw?DFam", *tokens[0])) {
p = &(tokens[0][1]);
if ((p[0] == 'r' || p[0] == '-') &&
(p[1] == 'w' || p[1] == '-') &&
(p[3] == 'r' || p[3] == '-') &&
(p[4] == 'w' || p[4] == '-') &&
(p[6] == 'r' || p[6] == '-') &&
(p[7] == 'w' || p[7] == '-')) {
// 'x'/p[9] can be S|s|x|-|T|t or implementation specific
lstyle = 'U'; // very likely /bin/ls
}
}
}
if (lstyle == 'U') { // first token checks out
lstyle = 0;
for (pos = (numtoks-5); !lstyle && pos > 1; pos--) {
// scan for: (\d+)\s+([A-Z][a-z][a-z])\s+
// (\d\d\d\d|\d\:\d\d|\d\d\:\d\d|\d\:\d\d\:\d\d|\d\d\:\d\d\:\d\d)
// \s+(.+)$
if (isdigit(*tokens[pos]) // size
// (\w\w\w)
&& toklen[pos+1] == 3 && isalpha(*tokens[pos+1]) &&
isalpha(tokens[pos+1][1]) && isalpha(tokens[pos+1][2])
// (\d|\d\d)
&& isdigit(*tokens[pos+2]) &&
(toklen[pos+2] == 1 ||
(toklen[pos+2] == 2 && isdigit(tokens[pos+2][1])))
&& toklen[pos+3] >= 4 && isdigit(*tokens[pos+3])
// (\d\:\d\d\:\d\d|\d\d\:\d\d\:\d\d)
&& (toklen[pos+3] <= 5 || (
(toklen[pos+3] == 7 || toklen[pos+3] == 8) &&
(tokens[pos+3][toklen[pos+3]-3]) == ':'))
&& isdigit(tokens[pos+3][toklen[pos+3]-2])
&& isdigit(tokens[pos+3][toklen[pos+3]-1])
&& (
// (\d\d\d\d)
((toklen[pos+3] == 4 || toklen[pos+3] == 5) &&
isdigit(tokens[pos+3][1]) &&
isdigit(tokens[pos+3][2]) )
// (\d\:\d\d|\d\:\d\d\:\d\d)
|| ((toklen[pos+3] == 4 || toklen[pos+3] == 7) &&
(tokens[pos+3][1]) == ':' &&
isdigit(tokens[pos+3][2]) && isdigit(tokens[pos+3][3]))
// (\d\d\:\d\d|\d\d\:\d\d\:\d\d)
|| ((toklen[pos+3] == 5 || toklen[pos+3] == 8) &&
isdigit(tokens[pos+3][1]) && (tokens[pos+3][2]) == ':' &&
isdigit(tokens[pos+3][3]) && isdigit(tokens[pos+3][4])))) {
lstyle = 'U'; // assume /bin/ls or variant format
tokmarker = pos;
// check that size is numeric
p = tokens[tokmarker];
unsigned int i;
for (i = 0; i < toklen[tokmarker]; i++) {
if (!isdigit(*p++)) {
lstyle = 0;
break;
}
}
if (lstyle) {
month_num = 0;
p = tokens[tokmarker+1];
for (i = 0; i < (12*3); i+=3) {
if (p[0] == month_names[i+0] &&
p[1] == month_names[i+1] &&
p[2] == month_names[i+2])
break;
month_num++;
}
if (month_num >= 12)
lstyle = 0;
}
} // relative position test
} // for (pos = (numtoks-5); !lstyle && pos > 1; pos--)
} // if (lstyle == 'U')
if (lstyle == 'U') {
state->parsed_one = 1;
state->lstyle = lstyle;
result->fe_cinfs = 0;
result->fe_type = FTP_TYPE_JUNK;
if (*tokens[0] == 'd' || *tokens[0] == 'D')
result->fe_type = FTP_TYPE_DIRECTORY;
else if (*tokens[0] == 'l')
result->fe_type = FTP_TYPE_SYMLINK;
else if (*tokens[0] == '-' || *tokens[0] == 'F')
result->fe_type = FTP_TYPE_FILE; // (hopefully a regular file)
if (result->fe_type != FTP_TYPE_DIRECTORY) {
pos = toklen[tokmarker];
if (pos > (sizeof(result->fe_size)-1))
pos = (sizeof(result->fe_size)-1);
memcpy(result->fe_size, tokens[tokmarker], pos);
result->fe_size[pos] = '\0';
}
result->fe_time.tm_mon = month_num;
result->fe_time.tm_mday = StringToInt(tokens[tokmarker+2]);
if (result->fe_time.tm_mday == 0)
result->fe_time.tm_mday++;
p = tokens[tokmarker+3];
pos = (unsigned int)StringToInt(p);
if (p[1] == ':') // one digit hour
p--;
if (p[2] != ':') { // year
result->fe_time.tm_year = pos;
} else {
result->fe_time.tm_hour = pos;
result->fe_time.tm_min = StringToInt(p+3);
if (p[5] == ':')
result->fe_time.tm_sec = StringToInt(p+6);
if (!state->now_time) {
time_t now = time(NULL);
state->now_time = now * 1000000;
gmtime_r(&now, &state->now_tm);
}
result->fe_time.tm_year = state->now_tm.tm_year;
if ( (( state->now_tm.tm_mon << 5) + state->now_tm.tm_mday) <
((result->fe_time.tm_mon << 5) + result->fe_time.tm_mday) )
result->fe_time.tm_year--;
} // time/year
result->fe_fname = tokens[tokmarker+4];
result->fe_fnlen = (&(line[linelen_sans_wsp]))
- (result->fe_fname);
if (result->fe_type == FTP_TYPE_SYMLINK && result->fe_fnlen > 4) {
p = result->fe_fname + 1;
for (pos = 1; pos < (result->fe_fnlen - 4); pos++) {
if (*p == ' ' && p[1] == '-' && p[2] == '>' && p[3] == ' ') {
result->fe_lname = p + 4;
result->fe_lnlen = (&(line[linelen_sans_wsp]))
- (result->fe_lname);
result->fe_fnlen = pos;
break;
}
p++;
}
}
#if defined(SUPPORT_LSLF) // some (very rare) servers return ls -lF
if (result->fe_fnlen > 1) {
p = result->fe_fname[result->fe_fnlen-1];
pos = result->fe_type;
if (pos == FTP_TYPE_DIRECTORY) {
if (*p == '/') result->fe_fnlen--; // directory
} else if (pos == FTP_TYPE_SYMLINK) {
if (*p == '@') result->fe_fnlen--; // symlink
} else if (pos == FTP_TYPE_FILE) {
if (*p == '*') result->fe_fnlen--; // executable
} else if (*p == '=' || *p == '%' || *p == '|') {
result->fe_fnlen--; // socket, whiteout, fifo
}
}
#endif // SUPPORT_LSLF
// the caller should do this (if dropping "." and ".." is desired)
// if (result->fe_type == FTP_TYPE_DIRECTORY &&
// result->fe_fname[0] == '.' && (result->fe_fnlen == 1 ||
// (result->fe_fnlen == 2 && result->fe_fname[1] == '.')))
// return FTP_TYPE_JUNK;
return result->fe_type;
} // if (lstyle == 'U')
} // if (!lstyle && (!state->lstyle || state->lstyle == 'U'))
#endif // SUPPORT_LSL
#if defined(SUPPORT_W16) // 16bit Windows
// old SuperTCP suite FTP server for Win3.1
if (!lstyle && (!state->lstyle || state->lstyle == 'w')) {
// old NetManage Chameleon TCP/IP suite FTP server for Win3.1
// SuperTCP dirlist from the mirror.pl project
// mon/day/year separator may be '/' or '-'.
// . <DIR> 11-16-94 17:16
// .. <DIR> 11-16-94 17:16
// INSTALL <DIR> 11-16-94 17:17
// CMT <DIR> 11-21-94 10:17
// DESIGN1.DOC 11264 05-11-95 14:20
// README.TXT 1045 05-10-95 11:01
// WPKIT1.EXE 960338 06-21-95 17:01
// CMT.CSV 0 07-06-95 14:56
//
// Chameleon dirlist guessed from lynx
// . <DIR> Nov 16 1994 17:16
// .. <DIR> Nov 16 1994 17:16
// INSTALL <DIR> Nov 16 1994 17:17
// CMT <DIR> Nov 21 1994 10:17
// DESIGN1.DOC 11264 May 11 1995 14:20 A
// README.TXT 1045 May 10 1995 11:01
// WPKIT1.EXE 960338 Jun 21 1995 17:01 R
// CMT.CSV 0 Jul 06 1995 14:56 RHA
if (numtoks >= 4 && toklen[0] < 13 &&
((toklen[1] == 5 && *tokens[1] == '<') || isdigit(*tokens[1]))) {
if (numtoks == 4
&& (toklen[2] == 8 || toklen[2] == 9)
&& (((tokens[2][2]) == '/' && (tokens[2][5]) == '/') ||
((tokens[2][2]) == '-' && (tokens[2][5]) == '-'))
&& (toklen[3] == 4 || toklen[3] == 5)
&& (tokens[3][toklen[3]-3]) == ':'
&& isdigit(tokens[2][0]) && isdigit(tokens[2][1])
&& isdigit(tokens[2][3]) && isdigit(tokens[2][4])
&& isdigit(tokens[2][6]) && isdigit(tokens[2][7])
&& (toklen[2] < 9 || isdigit(tokens[2][8]))
&& isdigit(tokens[3][toklen[3]-1])
&& isdigit(tokens[3][toklen[3]-2])
&& isdigit(tokens[3][toklen[3]-4]) && isdigit(*tokens[3])) {
lstyle = 'w';
} else if ((numtoks == 6 || numtoks == 7)
&& toklen[2] == 3 && toklen[3] == 2
&& toklen[4] == 4 && toklen[5] == 5
&& (tokens[5][2]) == ':'
&& isalpha(tokens[2][0]) && isalpha(tokens[2][1])
&& isalpha(tokens[2][2])
&& isdigit(tokens[3][0]) && isdigit(tokens[3][1])
&& isdigit(tokens[4][0]) && isdigit(tokens[4][1])
&& isdigit(tokens[4][2]) && isdigit(tokens[4][3])
&& isdigit(tokens[5][0]) && isdigit(tokens[5][1])
&& isdigit(tokens[5][3]) && isdigit(tokens[5][4])) {
// could also check that (&(tokens[5][5]) - tokens[2]) == 17
lstyle = 'w';
}
if (lstyle && state->lstyle != lstyle) { // first time
p = tokens[1];
if (toklen[1] != 5 || p[0] != '<' || p[1] != 'D' ||
p[2] != 'I' || p[3] != 'R' || p[4] != '>') {
for (pos = 0; lstyle && pos < toklen[1]; pos++) {
if (!isdigit(*p++))
lstyle = 0;
}
} // not <DIR>
} // if (first time)
} // if (numtoks == ...)
if (lstyle == 'w') {
state->parsed_one = 1;
state->lstyle = lstyle;
result->fe_cinfs = 1;
result->fe_fname = tokens[0];
result->fe_fnlen = toklen[0];
result->fe_type = FTP_TYPE_DIRECTORY;
p = tokens[1];
if (isdigit(*p)) {
result->fe_type = FTP_TYPE_FILE;
pos = toklen[1];
if (pos > (sizeof(result->fe_size) - 1))
pos = sizeof(result->fe_size) - 1;
memcpy(result->fe_size, p, pos);
result->fe_size[pos] = '\0';
}
p = tokens[2];
if (toklen[2] == 3) { // Chameleon
tbuf[0] = toupper(p[0]);
tbuf[1] = tolower(p[1]);
tbuf[2] = tolower(p[2]);
for (pos = 0; pos < (12*3); pos+=3) {
if (tbuf[0] == month_names[pos+0] &&
tbuf[1] == month_names[pos+1] &&
tbuf[2] == month_names[pos+2]) {
result->fe_time.tm_mon = pos/3;
result->fe_time.tm_mday = StringToInt(tokens[3]);
result->fe_time.tm_year = StringToInt(tokens[4]) - 1900;
break;
}
}
pos = 5; // Chameleon toknum of date field
} else {
result->fe_time.tm_mon = StringToInt(p+0)-1;
result->fe_time.tm_mday = StringToInt(p+3);
result->fe_time.tm_year = StringToInt(p+6);
if (result->fe_time.tm_year < 80) // SuperTCP
result->fe_time.tm_year += 100;
pos = 3; // SuperTCP toknum of date field
}
result->fe_time.tm_hour = StringToInt(tokens[pos]);
result->fe_time.tm_min = StringToInt(&(tokens[pos][toklen[pos]-2]));
// the caller should do this (if dropping "." and ".." is desired)
// if (result->fe_type == FTP_TYPE_DIRECTORY &&
// result->fe_fname[0] == '.' && (result->fe_fnlen == 1 ||
// (result->fe_fnlen == 2 && result->fe_fname[1] == '.')))
// return FTP_TYPE_JUNK;
return result->fe_type;
} // (lstyle == 'w')
} // if (!lstyle && (!state->lstyle || state->lstyle == 'w'))
#endif // SUPPORT_W16
#if defined(SUPPORT_DLS) // dls -dtR
if (!lstyle &&
(state->lstyle == 'D' || (!state->lstyle && state->numlines == 1))) {
// /bin/dls lines have to be immediately recognizable (first line)
// I haven't seen an FTP server that delivers a /bin/dls listing,
// but can infer the format from the lynx and mirror.pl projects.
// Both formats are supported.
//
// Lynx says:
// README 763 Information about this server\0
// bin/ - \0
// etc/ = \0
// ls-lR 0 \0
// ls-lR.Z 3 \0
// pub/ = Public area\0
// usr/ - \0
// morgan 14 -> ../real/morgan\0
// TIMIT.mostlikely.Z\0
// 79215 \0
//
// mirror.pl says:
// filename: ^(\S*)\s+
// size: (\-|\=|\d+)\s+
// month/day: ((\w\w\w\s+\d+|\d+\s+\w\w\w)\s+
// time/year: (\d+:\d+|\d\d\d\d))\s+
// rest: (.+)
//
// README 763 Jul 11 21:05 Information about this server
// bin/ - Apr 28 1994
// etc/ = 11 Jul 21:04
// ls-lR 0 6 Aug 17:14
// ls-lR.Z 3 05 Sep 1994
// pub/ = Jul 11 21:04 Public area
// usr/ - Sep 7 09:39
// morgan 14 Apr 18 09:39 -> ../real/morgan
// TIMIT.mostlikely.Z
// 79215 Jul 11 21:04
if (!state->lstyle && line[linelen-1] == ':' &&
linelen >= 2 && toklen[numtoks-1] != 1) {
// code in mirror.pl suggests that a listing may be preceded
// by a PWD line in the form "/some/dir/names/here:"
// but does not necessarily begin with '/'. *sigh*
pos = 0;
p = line;
while (pos < (linelen-1)) {
// illegal (or extremely unusual) chars in a dirspec
if (*p == '<' || *p == '|' || *p == '>' ||
*p == '?' || *p == '*' || *p == '\\')
break;
if (*p == '/' && pos < (linelen-2) && p[1] == '/')
break;
pos++;
p++;
}
if (pos == (linelen-1)) {
state->lstyle = 'D';
return FTP_TYPE_JUNK;
}
}
if (!lstyle && numtoks >= 2) {
pos = 22; // pos of (\d+|-|=) if this is not part of a multiline
if (state->lstyle && carry_buf_len) // first is from previous line
pos = toklen[1]-1; // and is 'as-is' (may contain whitespace)
if (linelen > pos) {
p = &line[pos];
if ((*p == '-' || *p == '=' || isdigit(*p)) &&
((linelen == (pos+1)) ||
(linelen >= (pos+3) && p[1] == ' ' && p[2] == ' '))) {
tokmarker = 1;
if (!carry_buf_len) {
pos = 1;
while (pos < numtoks && (tokens[pos]+toklen[pos]) < (&line[23]))
pos++;
tokmarker = 0;
if ((tokens[pos]+toklen[pos]) == (&line[23]))
tokmarker = pos;
}
if (tokmarker) {
lstyle = 'D';
if (*tokens[tokmarker] == '-' || *tokens[tokmarker] == '=') {
if (toklen[tokmarker] != 1 ||
(tokens[tokmarker - 1][toklen[tokmarker - 1] - 1]) != '/')
lstyle = 0;
} else {
for (pos = 0; lstyle && pos < toklen[tokmarker]; pos++) {
if (!isdigit(tokens[tokmarker][pos]))
lstyle = 0;
}
}
if (lstyle && !state->lstyle) { // first time
// scan for illegal (or incredibly unusual) chars in fname
for (p = tokens[0]; lstyle &&
p < &(tokens[tokmarker - 1][toklen[tokmarker - 1]]); p++) {
if (*p == '<' || *p == '|' || *p == '>' ||
*p == '?' || *p == '*' || *p == '/' || *p == '\\')
lstyle = 0;
}
}
} // size token found
} // expected chars behind expected size token
} // if (linelen > pos)
} // if (!lstyle && numtoks >= 2)
if (!lstyle && state->lstyle == 'D' && !carry_buf_len) {
// the filename of a multi-line entry can be identified
// correctly only if dls format had been previously established.
// This should always be true because there should be entries
// for '.' and/or '..' and/or CWD that precede the rest of the
// listing.
pos = linelen;
if (pos > (sizeof(state->carry_buf) - 1))
pos = sizeof(state->carry_buf) - 1;
memcpy(state->carry_buf, line, pos);
state->carry_buf_len = pos;
return FTP_TYPE_JUNK;
}
if (lstyle == 'D') {
state->parsed_one = 1;
state->lstyle = lstyle;
p = &(tokens[tokmarker-1][toklen[tokmarker - 1]]);
result->fe_fname = tokens[0];
result->fe_fnlen = p - tokens[0];
result->fe_type = FTP_TYPE_FILE;
if (result->fe_fname[result->fe_fnlen - 1] == '/') {
if (result->fe_lnlen == 1) {
result->fe_type = FTP_TYPE_JUNK;
} else {
result->fe_fnlen--;
result->fe_type = FTP_TYPE_DIRECTORY;
}
} else if (isdigit(*tokens[tokmarker])) {
pos = toklen[tokmarker];
if (pos > (sizeof(result->fe_size) - 1))
pos = sizeof(result->fe_size) - 1;
memcpy(result->fe_size, tokens[tokmarker], pos);
result->fe_size[pos] = '\0';
}
if ((tokmarker+3) < numtoks &&
(&(tokens[numtoks - 1][toklen[numtoks-1]]) -
tokens[tokmarker + 1]) >= (1 + 1 + 3 + 1 + 4)) {
pos = (tokmarker + 3);
p = tokens[pos];
pos = toklen[pos];
if ((pos == 4 || pos == 5) && isdigit(*p) &&
isdigit(p[pos-1]) && isdigit(p[pos - 2])
&& ((pos == 5 && p[2] == ':') ||
(pos == 4 && (isdigit(p[1]) || p[1] == ':')))) {
month_num = tokmarker + 1; // assumed position of month field
pos = tokmarker + 2; // assumed position of mday field
if (isdigit(*tokens[month_num])) { // positions are reversed
month_num++;
pos--;
}
p = tokens[month_num];
if (isdigit(*tokens[pos])
&& (toklen[pos] == 1 ||
(toklen[pos] == 2 && isdigit(tokens[pos][1])))
&& toklen[month_num] == 3
&& isalpha(*p) && isalpha(p[1]) && isalpha(p[2])) {
pos = StringToInt(tokens[pos]);
if (pos > 0 && pos <= 31) {
result->fe_time.tm_mday = pos;
month_num = 1;
for (pos = 0; pos < (12*3); pos += 3) {
if (p[0] == month_names[pos + 0] &&
p[1] == month_names[pos + 1] &&
p[2] == month_names[pos + 2])
break;
month_num++;
}
if (month_num > 12)
result->fe_time.tm_mday = 0;
else
result->fe_time.tm_mon = month_num - 1;
}
}
if (result->fe_time.tm_mday) {
tokmarker += 3; // skip mday/mon/yrtime (to find " -> ")
p = tokens[tokmarker];
pos = StringToInt(p);
if (pos > 24) {
result->fe_time.tm_year = pos - 1900;
} else {
if (p[1] == ':')
p--;
result->fe_time.tm_hour = pos;
result->fe_time.tm_min = StringToInt(p + 3);
if (!state->now_time) {
time_t now = time(NULL);
state->now_time = now * 1000000;
gmtime_r(&now, &state->now_tm);
}
result->fe_time.tm_year = state->now_tm.tm_year;
if ((( state->now_tm.tm_mon << 4) +
state->now_tm.tm_mday) <
((result->fe_time.tm_mon << 4) +
result->fe_time.tm_mday))
result->fe_time.tm_year--;
} // got year or time
} // got month/mday
} // may have year or time
} // enough remaining to possibly have date/time
if (numtoks > (tokmarker+2)) {
pos = tokmarker+1;
p = tokens[pos];
if (toklen[pos] == 2 && *p == '-' && p[1] == '>') {
p = &(tokens[numtoks - 1][toklen[numtoks - 1]]);
result->fe_type = FTP_TYPE_SYMLINK;
result->fe_lname = tokens[pos + 1];
result->fe_lnlen = p - result->fe_lname;
if (result->fe_lnlen > 1 &&
result->fe_lname[result->fe_lnlen -1] == '/')
result->fe_lnlen--;
}
} // if (numtoks > (tokmarker+2))
// The caller should do this (if dropping "." and ".." is desired)
// if (result->fe_type == FTP_TYPE_DIRECTORY &&
// result->fe_fname[0] == '.' && (result->fe_fnlen == 1 ||
// (result->fe_fnlen == 2 && result->fe_fname[1] == '.')))
// return FTP_TYPE_JUNK;
return result->fe_type;
} // if (lstyle == 'D')
} // if (!lstyle && (!state->lstyle || state->lstyle == 'D'))
#endif
} // if (linelen > 0)
if (state->parsed_one || state->lstyle) // junk if we fail to parse
return FTP_TYPE_JUNK; // this time but had previously parsed successfully
return FTP_TYPE_COMMENT; // its part of a comment or error message
}
} // namespace net