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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /netwerk/streamconv/converters/ParseFTPList.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/streamconv/converters/ParseFTPList.h')
-rw-r--r-- | netwerk/streamconv/converters/ParseFTPList.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/netwerk/streamconv/converters/ParseFTPList.h b/netwerk/streamconv/converters/ParseFTPList.h new file mode 100644 index 000000000..f4a632a87 --- /dev/null +++ b/netwerk/streamconv/converters/ParseFTPList.h @@ -0,0 +1,104 @@ +/* -*- 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___ */ |