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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef ParseRTPList_h___
+#define ParseRTPList_h___
+
+#include <stdint.h>
+#include <string.h>
+#include "prtime.h"
+
+/* ParseFTPList() parses lines from an FTP LIST command.
+**
+** Written July 2002 by Cyrus Patel <cyp@fb14.uni-mainz.de>
+** with acknowledgements to squid, lynx, wget and ftpmirror.
+**
+** Arguments:
+** 'line': line of FTP data connection output. The line is assumed
+** to end at the first '\0' or '\n' or '\r\n'.
+** 'state': a structure used internally to track state between
+** lines. Needs to be bzero()'d at LIST begin.
+** 'result': where ParseFTPList will store the results of the parse
+** if 'line' is not a comment and is not junk.
+**
+** Returns one of the following:
+** 'd' - LIST line is a directory entry ('result' is valid)
+** 'f' - LIST line is a file's entry ('result' is valid)
+** 'l' - LIST line is a symlink's entry ('result' is valid)
+** '?' - LIST line is junk. (cwd, non-file/dir/link, etc)
+** '"' - its not a LIST line (its a "comment")
+**
+** It may be advisable to let the end-user see "comments" (particularly when
+** the listing results in ONLY such lines) because such a listing may be:
+** - an unknown LIST format (NLST or "custom" format for example)
+** - an error msg (EPERM,ENOENT,ENFILE,EMFILE,ENOTDIR,ENOTBLK,EEXDEV etc).
+** - an empty directory and the 'comment' is a "total 0" line or similar.
+** (warning: a "total 0" can also mean the total size is unknown).
+**
+** ParseFTPList() supports all known FTP LISTing formats:
+** - '/bin/ls -l' and all variants (including Hellsoft FTP for NetWare);
+** - EPLF (Easily Parsable List Format);
+** - Windows NT's default "DOS-dirstyle";
+** - OS/2 basic server format LIST format;
+** - VMS (MultiNet, UCX, and CMU) LIST format (including multi-line format);
+** - IBM VM/CMS, VM/ESA LIST format (two known variants);
+** - SuperTCP FTP Server for Win16 LIST format;
+** - NetManage Chameleon (NEWT) for Win16 LIST format;
+** - '/bin/dls' (two known variants, plus multi-line) LIST format;
+** If there are others, then I'd like to hear about them (send me a sample).
+**
+** NLSTings are not supported explicitely because they cannot be machine
+** parsed consistently: NLSTings do not have unique characteristics - even
+** the assumption that there won't be whitespace on the line does not hold
+** because some nlistings have more than one filename per line and/or
+** may have filenames that have spaces in them. Moreover, distinguishing
+** between an error message and an NLST line would require ParseList() to
+** recognize all the possible strerror() messages in the world.
+*/
+
+
+/* #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 */
+
+struct list_state
+{
+ list_state() {
+ memset(this, 0, sizeof(*this));
+ }
+
+ PRTime now_time; /* needed for year determination */
+ PRExplodedTime now_tm; /* needed for year determination */
+ int32_t lstyle; /* LISTing style */
+ int32_t parsed_one; /* returned anything yet? */
+ char carry_buf[84]; /* for VMS multiline */
+ uint32_t carry_buf_len; /* length of name in carry_buf */
+ uint32_t numlines; /* number of lines seen */
+};
+
+struct list_result
+{
+ int32_t fe_type; /* 'd'(dir) or 'l'(link) or 'f'(file) */
+ const char * fe_fname; /* pointer to filename */
+ uint32_t fe_fnlen; /* length of filename */
+ const char * fe_lname; /* pointer to symlink name */
+ uint32_t fe_lnlen; /* length of symlink name */
+ char fe_size[40]; /* size of file in bytes (<= (2^128 - 1)) */
+ PRExplodedTime fe_time; /* last-modified time */
+ int32_t fe_cinfs; /* file system is definitely case insensitive */
+ /* (converting all-upcase names may be desirable) */
+};
+
+int ParseFTPList(const char *line,
+ struct list_state *state,
+ struct list_result *result );
+
+#endif /* !ParseRTPList_h___ */