Imported Upstream version 0.62
This commit is contained in:
commit
57f4f99a0b
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Version 0.1: original version.
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||||
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||||
Version 0.2: fixed bug when several reads are necessary
|
||||
on one end or the other before a write flushes them.
|
||||
Fixed bug which threw away data not yet sent to the
|
||||
other side on close, when running under Linux. Fixed
|
||||
associated bugs that probably affected other operating
|
||||
systems as well. Fixed bug causing long, perhaps
|
||||
indefinite pauses when a possible connection to a
|
||||
server socket went away before the accept() call,
|
||||
resulting in a blocking call.
|
||||
|
||||
Version 0.3: fixed additional bugs relating to
|
||||
the code previously used only by non-Linux OSes.
|
||||
This should fix problems such as connections not
|
||||
going away when they should or connections being
|
||||
mysteriously closed. Most of that code is now used by
|
||||
Linux also, so it is likely that rinetd is much closer
|
||||
to bug-free on non-Linux platforms. Of course, I don't
|
||||
actually have any to play with it on.
|
||||
|
||||
Version 0.4: added support for kill -1 (SIGHUP)
|
||||
and specification of service names instead of
|
||||
port numbers. Removed calls to realloc(), replacing
|
||||
them with code that should fail gracefully without
|
||||
crashing the program or breaking existing connections
|
||||
when another application is hogging memory.
|
||||
|
||||
Version 0.5: added logging in both tab-delimited
|
||||
and web-server-style formats. No longer exits if
|
||||
an individual configuration file line generates
|
||||
an error. Added allow and deny rules. Added
|
||||
-c command line option to specify a configuration file.
|
||||
|
||||
Version 0.51: fixed failure to check for an open
|
||||
log file before writing log entries.
|
||||
|
||||
Version 0.52: documentation added regarding the
|
||||
ability to bind to all IP addresses, if desired,
|
||||
using the special address 0.0.0.0.
|
||||
|
||||
Version 0.6: ported to Win32. Various compatibility
|
||||
fixes were made and some minor oversights without
|
||||
functional consequences were corrected.
|
||||
|
||||
Version 0.61: fixed a bug in 0.6 which completely
|
||||
broke rinetd under Linux. Oops.
|
||||
|
||||
Version 0.62: fixed a potential buffer overrun;
|
||||
prior versions failed to reallocate one of the
|
||||
arrays correctly when reallocating memory to
|
||||
accommodate more connections. Thanks to
|
||||
Sam Hocevar.
|
||||
|
||||
|
|
@ -0,0 +1,9 @@
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|||
CFLAGS=-DLINUX -g
|
||||
|
||||
rinetd: rinetd.o match.o
|
||||
gcc rinetd.o match.o -o rinetd
|
||||
|
||||
install: rinetd
|
||||
install -m 700 rinetd /usr/sbin
|
||||
install -m 644 rinetd.8 /usr/man/man8
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
rinetd version 0.62, by Thomas Boutell. Released under
|
||||
the terms of the GNU General Public License, version 2 or later.
|
||||
|
||||
This program is used to efficiently redirect connections
|
||||
from one IP address/port combination to another. It is
|
||||
useful when operating virtual servers, firewalls
|
||||
and the like.
|
||||
|
||||
A binary for 32-bit Windows (95, 98, NT) is included (see the
|
||||
file rinetd.exe). Windows 3.1 is not supported.
|
||||
|
||||
To build under Unix, check the Makefile for platform-
|
||||
specific details and then type make. To install, type
|
||||
"make install" as root.
|
||||
|
||||
To build under Windows, use the provided project
|
||||
files with Microsoft Visual C++. Windows 3.1 is not supported.
|
||||
|
||||
For documentation run "make install", then type
|
||||
"man rinetd" for details. Or, read index.html in
|
||||
your browser.
|
||||
|
|
@ -0,0 +1,756 @@
|
|||
/* THIS IS HERE FOR WIN32's BENEFIT ONLY. */
|
||||
|
||||
/* Getopt for GNU.
|
||||
NOTE: getopt is now part of the C library, so if you don't know what
|
||||
"Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu
|
||||
before changing it!
|
||||
|
||||
Copyright (C) 1987, 88, 89, 90, 91, 92, 1993
|
||||
Free Software Foundation, Inc.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU General Public License as published by the
|
||||
Free Software Foundation; either version 2, or (at your option) any
|
||||
later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#ifndef __STDC__
|
||||
# ifndef const
|
||||
# define const
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>. */
|
||||
#ifndef _NO_PROTO
|
||||
#define _NO_PROTO
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
/* Comment out all this code if we are using the GNU C Library, and are not
|
||||
actually compiling the library itself. This code is part of the GNU C
|
||||
Library, but also included in many other GNU distributions. Compiling
|
||||
and linking in this code is a waste when using the GNU C library
|
||||
(especially if it is a shared library). Rather than having every GNU
|
||||
program understand `configure --with-gnu-libc' and omit the object files,
|
||||
it is simpler to just do this in the source for each such file. */
|
||||
|
||||
#if defined (_LIBC) || !defined (__GNU_LIBRARY__)
|
||||
|
||||
|
||||
/* This needs to come after some library #include
|
||||
to get __GNU_LIBRARY__ defined. */
|
||||
#ifdef __GNU_LIBRARY__
|
||||
/* Don't include stdlib.h for non-GNU C libraries because some of them
|
||||
contain conflicting prototypes for getopt. */
|
||||
#include <stdlib.h>
|
||||
#endif /* GNU C library. */
|
||||
|
||||
/* If GETOPT_COMPAT is defined, `+' as well as `--' can introduce a
|
||||
long-named option. Because this is not POSIX.2 compliant, it is
|
||||
being phased out. */
|
||||
/* #define GETOPT_COMPAT */
|
||||
|
||||
/* This version of `getopt' appears to the caller like standard Unix `getopt'
|
||||
but it behaves differently for the user, since it allows the user
|
||||
to intersperse the options with the other arguments.
|
||||
|
||||
As `getopt' works, it permutes the elements of ARGV so that,
|
||||
when it is done, all the options precede everything else. Thus
|
||||
all application programs are extended to handle flexible argument order.
|
||||
|
||||
Setting the environment variable POSIXLY_CORRECT disables permutation.
|
||||
Then the behavior is completely standard.
|
||||
|
||||
GNU application programs can use a third alternative mode in which
|
||||
they can distinguish the relative order of options and other arguments. */
|
||||
|
||||
#include "getopt.h"
|
||||
|
||||
/* For communication from `getopt' to the caller.
|
||||
When `getopt' finds an option that takes an argument,
|
||||
the argument value is returned here.
|
||||
Also, when `ordering' is RETURN_IN_ORDER,
|
||||
each non-option ARGV-element is returned here. */
|
||||
|
||||
char *optarg = 0;
|
||||
|
||||
/* Index in ARGV of the next element to be scanned.
|
||||
This is used for communication to and from the caller
|
||||
and for communication between successive calls to `getopt'.
|
||||
|
||||
On entry to `getopt', zero means this is the first call; initialize.
|
||||
|
||||
When `getopt' returns EOF, this is the index of the first of the
|
||||
non-option elements that the caller should itself scan.
|
||||
|
||||
Otherwise, `optind' communicates from one call to the next
|
||||
how much of ARGV has been scanned so far. */
|
||||
|
||||
/* XXX 1003.2 says this must be 1 before any call. */
|
||||
int optind = 0;
|
||||
|
||||
/* The next char to be scanned in the option-element
|
||||
in which the last option character we returned was found.
|
||||
This allows us to pick up the scan where we left off.
|
||||
|
||||
If this is zero, or a null string, it means resume the scan
|
||||
by advancing to the next ARGV-element. */
|
||||
|
||||
static char *nextchar;
|
||||
|
||||
/* Callers store zero here to inhibit the error message
|
||||
for unrecognized options. */
|
||||
|
||||
int opterr = 1;
|
||||
|
||||
/* Set to an option character which was unrecognized.
|
||||
This must be initialized on some systems to avoid linking in the
|
||||
system's own getopt implementation. */
|
||||
|
||||
#define BAD_OPTION '\0'
|
||||
int optopt = BAD_OPTION;
|
||||
|
||||
/* Describe how to deal with options that follow non-option ARGV-elements.
|
||||
|
||||
If the caller did not specify anything,
|
||||
the default is REQUIRE_ORDER if the environment variable
|
||||
POSIXLY_CORRECT is defined, PERMUTE otherwise.
|
||||
|
||||
REQUIRE_ORDER means don't recognize them as options;
|
||||
stop option processing when the first non-option is seen.
|
||||
This is what Unix does.
|
||||
This mode of operation is selected by either setting the environment
|
||||
variable POSIXLY_CORRECT, or using `+' as the first character
|
||||
of the list of option characters.
|
||||
|
||||
PERMUTE is the default. We permute the contents of ARGV as we scan,
|
||||
so that eventually all the non-options are at the end. This allows options
|
||||
to be given in any order, even with programs that were not written to
|
||||
expect this.
|
||||
|
||||
RETURN_IN_ORDER is an option available to programs that were written
|
||||
to expect options and other ARGV-elements in any order and that care about
|
||||
the ordering of the two. We describe each non-option ARGV-element
|
||||
as if it were the argument of an option with character code 1.
|
||||
Using `-' as the first character of the list of option characters
|
||||
selects this mode of operation.
|
||||
|
||||
The special argument `--' forces an end of option-scanning regardless
|
||||
of the value of `ordering'. In the case of RETURN_IN_ORDER, only
|
||||
`--' can cause `getopt' to return EOF with `optind' != ARGC. */
|
||||
|
||||
static enum
|
||||
{
|
||||
REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
|
||||
} ordering;
|
||||
|
||||
#ifdef __GNU_LIBRARY__
|
||||
/* We want to avoid inclusion of string.h with non-GNU libraries
|
||||
because there are many ways it can cause trouble.
|
||||
On some systems, it contains special magic macros that don't work
|
||||
in GCC. */
|
||||
#include <string.h>
|
||||
#define my_index strchr
|
||||
#define my_strlen strlen
|
||||
#else
|
||||
|
||||
/* Avoid depending on library functions or files
|
||||
whose names are inconsistent. */
|
||||
|
||||
#if __STDC__ || defined(PROTO)
|
||||
extern char *getenv(const char *name);
|
||||
extern int strcmp (const char *s1, const char *s2);
|
||||
extern int strncmp(const char *s1, const char *s2, int n);
|
||||
|
||||
static int my_strlen(const char *s);
|
||||
static char *my_index (const char *str, int chr);
|
||||
#else
|
||||
extern char *getenv ();
|
||||
#endif
|
||||
|
||||
static int
|
||||
my_strlen (str)
|
||||
const char *str;
|
||||
{
|
||||
int n = 0;
|
||||
while (*str++)
|
||||
n++;
|
||||
return n;
|
||||
}
|
||||
|
||||
static char *
|
||||
my_index (str, chr)
|
||||
const char *str;
|
||||
int chr;
|
||||
{
|
||||
while (*str)
|
||||
{
|
||||
if (*str == chr)
|
||||
return (char *) str;
|
||||
str++;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif /* GNU C library. */
|
||||
|
||||
/* Handle permutation of arguments. */
|
||||
|
||||
/* Describe the part of ARGV that contains non-options that have
|
||||
been skipped. `first_nonopt' is the index in ARGV of the first of them;
|
||||
`last_nonopt' is the index after the last of them. */
|
||||
|
||||
static int first_nonopt;
|
||||
static int last_nonopt;
|
||||
|
||||
/* Exchange two adjacent subsequences of ARGV.
|
||||
One subsequence is elements [first_nonopt,last_nonopt)
|
||||
which contains all the non-options that have been skipped so far.
|
||||
The other is elements [last_nonopt,optind), which contains all
|
||||
the options processed since those non-options were skipped.
|
||||
|
||||
`first_nonopt' and `last_nonopt' are relocated so that they describe
|
||||
the new indices of the non-options in ARGV after they are moved.
|
||||
|
||||
To perform the swap, we first reverse the order of all elements. So
|
||||
all options now come before all non options, but they are in the
|
||||
wrong order. So we put back the options and non options in original
|
||||
order by reversing them again. For example:
|
||||
original input: a b c -x -y
|
||||
reverse all: -y -x c b a
|
||||
reverse options: -x -y c b a
|
||||
reverse non options: -x -y a b c
|
||||
*/
|
||||
|
||||
#if __STDC__ || defined(PROTO)
|
||||
static void exchange (char **argv);
|
||||
#endif
|
||||
|
||||
static void
|
||||
exchange (argv)
|
||||
char **argv;
|
||||
{
|
||||
char *temp, **first, **last;
|
||||
|
||||
/* Reverse all the elements [first_nonopt, optind) */
|
||||
first = &argv[first_nonopt];
|
||||
last = &argv[optind-1];
|
||||
while (first < last) {
|
||||
temp = *first; *first = *last; *last = temp; first++; last--;
|
||||
}
|
||||
/* Put back the options in order */
|
||||
first = &argv[first_nonopt];
|
||||
first_nonopt += (optind - last_nonopt);
|
||||
last = &argv[first_nonopt - 1];
|
||||
while (first < last) {
|
||||
temp = *first; *first = *last; *last = temp; first++; last--;
|
||||
}
|
||||
|
||||
/* Put back the non options in order */
|
||||
first = &argv[first_nonopt];
|
||||
last_nonopt = optind;
|
||||
last = &argv[last_nonopt-1];
|
||||
while (first < last) {
|
||||
temp = *first; *first = *last; *last = temp; first++; last--;
|
||||
}
|
||||
}
|
||||
|
||||
/* Scan elements of ARGV (whose length is ARGC) for option characters
|
||||
given in OPTSTRING.
|
||||
|
||||
If an element of ARGV starts with '-', and is not exactly "-" or "--",
|
||||
then it is an option element. The characters of this element
|
||||
(aside from the initial '-') are option characters. If `getopt'
|
||||
is called repeatedly, it returns successively each of the option characters
|
||||
from each of the option elements.
|
||||
|
||||
If `getopt' finds another option character, it returns that character,
|
||||
updating `optind' and `nextchar' so that the next call to `getopt' can
|
||||
resume the scan with the following option character or ARGV-element.
|
||||
|
||||
If there are no more option characters, `getopt' returns `EOF'.
|
||||
Then `optind' is the index in ARGV of the first ARGV-element
|
||||
that is not an option. (The ARGV-elements have been permuted
|
||||
so that those that are not options now come last.)
|
||||
|
||||
OPTSTRING is a string containing the legitimate option characters.
|
||||
If an option character is seen that is not listed in OPTSTRING,
|
||||
return BAD_OPTION after printing an error message. If you set `opterr' to
|
||||
zero, the error message is suppressed but we still return BAD_OPTION.
|
||||
|
||||
If a char in OPTSTRING is followed by a colon, that means it wants an arg,
|
||||
so the following text in the same ARGV-element, or the text of the following
|
||||
ARGV-element, is returned in `optarg'. Two colons mean an option that
|
||||
wants an optional arg; if there is text in the current ARGV-element,
|
||||
it is returned in `optarg', otherwise `optarg' is set to zero.
|
||||
|
||||
If OPTSTRING starts with `-' or `+', it requests different methods of
|
||||
handling the non-option ARGV-elements.
|
||||
See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
|
||||
|
||||
Long-named options begin with `--' instead of `-'.
|
||||
Their names may be abbreviated as long as the abbreviation is unique
|
||||
or is an exact match for some defined option. If they have an
|
||||
argument, it follows the option name in the same ARGV-element, separated
|
||||
from the option name by a `=', or else the in next ARGV-element.
|
||||
When `getopt' finds a long-named option, it returns 0 if that option's
|
||||
`flag' field is nonzero, the value of the option's `val' field
|
||||
if the `flag' field is zero.
|
||||
|
||||
The elements of ARGV aren't really const, because we permute them.
|
||||
But we pretend they're const in the prototype to be compatible
|
||||
with other systems.
|
||||
|
||||
LONGOPTS is a vector of `struct option' terminated by an
|
||||
element containing a name which is zero.
|
||||
|
||||
LONGIND returns the index in LONGOPT of the long-named option found.
|
||||
It is only valid when a long-named option has been found by the most
|
||||
recent call.
|
||||
|
||||
If LONG_ONLY is nonzero, '-' as well as '--' can introduce
|
||||
long-named options. */
|
||||
|
||||
int
|
||||
_getopt_internal (argc, argv, optstring, longopts, longind, long_only)
|
||||
int argc;
|
||||
char *const *argv;
|
||||
const char *optstring;
|
||||
const struct option *longopts;
|
||||
int *longind;
|
||||
int long_only;
|
||||
{
|
||||
int option_index;
|
||||
|
||||
optarg = 0;
|
||||
|
||||
/* Initialize the internal data when the first call is made.
|
||||
Start processing options with ARGV-element 1 (since ARGV-element 0
|
||||
is the program name); the sequence of previously skipped
|
||||
non-option ARGV-elements is empty. */
|
||||
|
||||
if (optind == 0)
|
||||
{
|
||||
first_nonopt = last_nonopt = optind = 1;
|
||||
|
||||
nextchar = NULL;
|
||||
|
||||
/* Determine how to handle the ordering of options and nonoptions. */
|
||||
|
||||
if (optstring[0] == '-')
|
||||
{
|
||||
ordering = RETURN_IN_ORDER;
|
||||
++optstring;
|
||||
}
|
||||
else if (optstring[0] == '+')
|
||||
{
|
||||
ordering = REQUIRE_ORDER;
|
||||
++optstring;
|
||||
}
|
||||
else if (getenv ("POSIXLY_CORRECT") != NULL)
|
||||
ordering = REQUIRE_ORDER;
|
||||
else
|
||||
ordering = PERMUTE;
|
||||
}
|
||||
|
||||
if (nextchar == NULL || *nextchar == '\0')
|
||||
{
|
||||
if (ordering == PERMUTE)
|
||||
{
|
||||
/* If we have just processed some options following some non-options,
|
||||
exchange them so that the options come first. */
|
||||
|
||||
if (first_nonopt != last_nonopt && last_nonopt != optind)
|
||||
exchange ((char **) argv);
|
||||
else if (last_nonopt != optind)
|
||||
first_nonopt = optind;
|
||||
|
||||
/* Now skip any additional non-options
|
||||
and extend the range of non-options previously skipped. */
|
||||
|
||||
while (optind < argc
|
||||
&& (argv[optind][0] != '-' || argv[optind][1] == '\0')
|
||||
#ifdef GETOPT_COMPAT
|
||||
&& (longopts == NULL
|
||||
|| argv[optind][0] != '+' || argv[optind][1] == '\0')
|
||||
#endif /* GETOPT_COMPAT */
|
||||
)
|
||||
optind++;
|
||||
last_nonopt = optind;
|
||||
}
|
||||
|
||||
/* Special ARGV-element `--' means premature end of options.
|
||||
Skip it like a null option,
|
||||
then exchange with previous non-options as if it were an option,
|
||||
then skip everything else like a non-option. */
|
||||
|
||||
if (optind != argc && !strcmp (argv[optind], "--"))
|
||||
{
|
||||
optind++;
|
||||
|
||||
if (first_nonopt != last_nonopt && last_nonopt != optind)
|
||||
exchange ((char **) argv);
|
||||
else if (first_nonopt == last_nonopt)
|
||||
first_nonopt = optind;
|
||||
last_nonopt = argc;
|
||||
|
||||
optind = argc;
|
||||
}
|
||||
|
||||
/* If we have done all the ARGV-elements, stop the scan
|
||||
and back over any non-options that we skipped and permuted. */
|
||||
|
||||
if (optind == argc)
|
||||
{
|
||||
/* Set the next-arg-index to point at the non-options
|
||||
that we previously skipped, so the caller will digest them. */
|
||||
if (first_nonopt != last_nonopt)
|
||||
optind = first_nonopt;
|
||||
return EOF;
|
||||
}
|
||||
|
||||
/* If we have come to a non-option and did not permute it,
|
||||
either stop the scan or describe it to the caller and pass it by. */
|
||||
|
||||
if ((argv[optind][0] != '-' || argv[optind][1] == '\0')
|
||||
#ifdef GETOPT_COMPAT
|
||||
&& (longopts == NULL
|
||||
|| argv[optind][0] != '+' || argv[optind][1] == '\0')
|
||||
#endif /* GETOPT_COMPAT */
|
||||
)
|
||||
{
|
||||
if (ordering == REQUIRE_ORDER)
|
||||
return EOF;
|
||||
optarg = argv[optind++];
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* We have found another option-ARGV-element.
|
||||
Start decoding its characters. */
|
||||
|
||||
nextchar = (argv[optind] + 1
|
||||
+ (longopts != NULL && argv[optind][1] == '-'));
|
||||
}
|
||||
|
||||
if (longopts != NULL
|
||||
&& ((argv[optind][0] == '-'
|
||||
&& (argv[optind][1] == '-' || long_only))
|
||||
#ifdef GETOPT_COMPAT
|
||||
|| argv[optind][0] == '+'
|
||||
#endif /* GETOPT_COMPAT */
|
||||
))
|
||||
{
|
||||
const struct option *p;
|
||||
char *s = nextchar;
|
||||
int exact = 0;
|
||||
int ambig = 0;
|
||||
const struct option *pfound = NULL;
|
||||
int indfound = 0;
|
||||
|
||||
while (*s && *s != '=')
|
||||
s++;
|
||||
|
||||
/* Test all options for either exact match or abbreviated matches. */
|
||||
for (p = longopts, option_index = 0; p->name;
|
||||
p++, option_index++)
|
||||
if (!strncmp (p->name, nextchar, s - nextchar))
|
||||
{
|
||||
if (s - nextchar == my_strlen (p->name))
|
||||
{
|
||||
/* Exact match found. */
|
||||
pfound = p;
|
||||
indfound = option_index;
|
||||
exact = 1;
|
||||
break;
|
||||
}
|
||||
else if (pfound == NULL)
|
||||
{
|
||||
/* First nonexact match found. */
|
||||
pfound = p;
|
||||
indfound = option_index;
|
||||
}
|
||||
else
|
||||
/* Second nonexact match found. */
|
||||
ambig = 1;
|
||||
}
|
||||
|
||||
if (ambig && !exact)
|
||||
{
|
||||
if (opterr)
|
||||
fprintf (stderr, "%s: option `%s' is ambiguous\n",
|
||||
argv[0], argv[optind]);
|
||||
nextchar += my_strlen (nextchar);
|
||||
optind++;
|
||||
return BAD_OPTION;
|
||||
}
|
||||
|
||||
if (pfound != NULL)
|
||||
{
|
||||
option_index = indfound;
|
||||
optind++;
|
||||
if (*s)
|
||||
{
|
||||
/* Don't test has_arg with >, because some C compilers don't
|
||||
allow it to be used on enums. */
|
||||
if (pfound->has_arg)
|
||||
optarg = s + 1;
|
||||
else
|
||||
{
|
||||
if (opterr)
|
||||
{
|
||||
if (argv[optind - 1][1] == '-')
|
||||
/* --option */
|
||||
fprintf (stderr,
|
||||
"%s: option `--%s' doesn't allow an argument\n",
|
||||
argv[0], pfound->name);
|
||||
else
|
||||
/* +option or -option */
|
||||
fprintf (stderr,
|
||||
"%s: option `%c%s' doesn't allow an argument\n",
|
||||
argv[0], argv[optind - 1][0], pfound->name);
|
||||
}
|
||||
nextchar += my_strlen (nextchar);
|
||||
return BAD_OPTION;
|
||||
}
|
||||
}
|
||||
else if (pfound->has_arg == 1)
|
||||
{
|
||||
if (optind < argc)
|
||||
optarg = argv[optind++];
|
||||
else
|
||||
{
|
||||
if (opterr)
|
||||
fprintf (stderr, "%s: option `%s' requires an argument\n",
|
||||
argv[0], argv[optind - 1]);
|
||||
nextchar += my_strlen (nextchar);
|
||||
return optstring[0] == ':' ? ':' : BAD_OPTION;
|
||||
}
|
||||
}
|
||||
nextchar += my_strlen (nextchar);
|
||||
if (longind != NULL)
|
||||
*longind = option_index;
|
||||
if (pfound->flag)
|
||||
{
|
||||
*(pfound->flag) = pfound->val;
|
||||
return 0;
|
||||
}
|
||||
return pfound->val;
|
||||
}
|
||||
/* Can't find it as a long option. If this is not getopt_long_only,
|
||||
or the option starts with '--' or is not a valid short
|
||||
option, then it's an error.
|
||||
Otherwise interpret it as a short option. */
|
||||
if (!long_only || argv[optind][1] == '-'
|
||||
#ifdef GETOPT_COMPAT
|
||||
|| argv[optind][0] == '+'
|
||||
#endif /* GETOPT_COMPAT */
|
||||
|| my_index (optstring, *nextchar) == NULL)
|
||||
{
|
||||
if (opterr)
|
||||
{
|
||||
if (argv[optind][1] == '-')
|
||||
/* --option */
|
||||
fprintf (stderr, "%s: unrecognized option `--%s'\n",
|
||||
argv[0], nextchar);
|
||||
else
|
||||
/* +option or -option */
|
||||
fprintf (stderr, "%s: unrecognized option `%c%s'\n",
|
||||
argv[0], argv[optind][0], nextchar);
|
||||
}
|
||||
nextchar = (char *) "";
|
||||
optind++;
|
||||
return BAD_OPTION;
|
||||
}
|
||||
}
|
||||
|
||||
/* Look at and handle the next option-character. */
|
||||
|
||||
{
|
||||
char c = *nextchar++;
|
||||
char *temp = my_index (optstring, c);
|
||||
|
||||
/* Increment `optind' when we start to process its last character. */
|
||||
if (*nextchar == '\0')
|
||||
++optind;
|
||||
|
||||
if (temp == NULL || c == ':')
|
||||
{
|
||||
if (opterr)
|
||||
{
|
||||
#if 0
|
||||
if (c < 040 || c >= 0177)
|
||||
fprintf (stderr, "%s: unrecognized option, character code 0%o\n",
|
||||
argv[0], c);
|
||||
else
|
||||
fprintf (stderr, "%s: unrecognized option `-%c'\n", argv[0], c);
|
||||
#else
|
||||
/* 1003.2 specifies the format of this message. */
|
||||
fprintf (stderr, "%s: illegal option -- %c\n", argv[0], c);
|
||||
#endif
|
||||
}
|
||||
optopt = c;
|
||||
return BAD_OPTION;
|
||||
}
|
||||
if (temp[1] == ':')
|
||||
{
|
||||
if (temp[2] == ':')
|
||||
{
|
||||
/* This is an option that accepts an argument optionally. */
|
||||
if (*nextchar != '\0')
|
||||
{
|
||||
optarg = nextchar;
|
||||
optind++;
|
||||
}
|
||||
else
|
||||
optarg = 0;
|
||||
nextchar = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* This is an option that requires an argument. */
|
||||
if (*nextchar != '\0')
|
||||
{
|
||||
optarg = nextchar;
|
||||
/* If we end this ARGV-element by taking the rest as an arg,
|
||||
we must advance to the next element now. */
|
||||
optind++;
|
||||
}
|
||||
else if (optind == argc)
|
||||
{
|
||||
if (opterr)
|
||||
{
|
||||
#if 0
|
||||
fprintf (stderr, "%s: option `-%c' requires an argument\n",
|
||||
argv[0], c);
|
||||
#else
|
||||
/* 1003.2 specifies the format of this message. */
|
||||
fprintf (stderr, "%s: option requires an argument -- %c\n",
|
||||
argv[0], c);
|
||||
#endif
|
||||
}
|
||||
optopt = c;
|
||||
if (optstring[0] == ':')
|
||||
c = ':';
|
||||
else
|
||||
c = BAD_OPTION;
|
||||
}
|
||||
else
|
||||
/* We already incremented `optind' once;
|
||||
increment it again when taking next ARGV-elt as argument. */
|
||||
optarg = argv[optind++];
|
||||
nextchar = NULL;
|
||||
}
|
||||
}
|
||||
return c;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
getopt (argc, argv, optstring)
|
||||
int argc;
|
||||
char *const *argv;
|
||||
const char *optstring;
|
||||
{
|
||||
return _getopt_internal (argc, argv, optstring,
|
||||
(const struct option *) 0,
|
||||
(int *) 0,
|
||||
0);
|
||||
}
|
||||
|
||||
int
|
||||
getopt_long (argc, argv, options, long_options, opt_index)
|
||||
int argc;
|
||||
char *const *argv;
|
||||
const char *options;
|
||||
const struct option *long_options;
|
||||
int *opt_index;
|
||||
{
|
||||
return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
|
||||
}
|
||||
|
||||
#endif /* _LIBC or not __GNU_LIBRARY__. */
|
||||
|
||||
#ifdef TEST
|
||||
|
||||
/* Compile with -DTEST to make an executable for use in testing
|
||||
the above definition of `getopt'. */
|
||||
|
||||
int
|
||||
main (argc, argv)
|
||||
int argc;
|
||||
char **argv;
|
||||
{
|
||||
int c;
|
||||
int digit_optind = 0;
|
||||
|
||||
while (1)
|
||||
{
|
||||
int this_option_optind = optind ? optind : 1;
|
||||
|
||||
c = getopt (argc, argv, "abc:d:0123456789");
|
||||
if (c == EOF)
|
||||
break;
|
||||
|
||||
switch (c)
|
||||
{
|
||||
case '0':
|
||||
case '1':
|
||||
case '2':
|
||||
case '3':
|
||||
case '4':
|
||||
case '5':
|
||||
case '6':
|
||||
case '7':
|
||||
case '8':
|
||||
case '9':
|
||||
if (digit_optind != 0 && digit_optind != this_option_optind)
|
||||
printf ("digits occur in two different argv-elements.\n");
|
||||
digit_optind = this_option_optind;
|
||||
printf ("option %c\n", c);
|
||||
break;
|
||||
|
||||
case 'a':
|
||||
printf ("option a\n");
|
||||
break;
|
||||
|
||||
case 'b':
|
||||
printf ("option b\n");
|
||||
break;
|
||||
|
||||
case 'c':
|
||||
printf ("option c with value `%s'\n", optarg);
|
||||
break;
|
||||
|
||||
case BAD_OPTION:
|
||||
break;
|
||||
|
||||
default:
|
||||
printf ("?? getopt returned character code 0%o ??\n", c);
|
||||
}
|
||||
}
|
||||
|
||||
if (optind < argc)
|
||||
{
|
||||
printf ("non-option ARGV-elements: ");
|
||||
while (optind < argc)
|
||||
printf ("%s ", argv[optind++]);
|
||||
printf ("\n");
|
||||
}
|
||||
|
||||
exit (0);
|
||||
}
|
||||
|
||||
#endif /* TEST */
|
|
@ -0,0 +1,129 @@
|
|||
/* THIS IS HERE FOR WIN32's BENEFIT ONLY. */
|
||||
|
||||
/* Declarations for getopt.
|
||||
Copyright (C) 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify it
|
||||
under the terms of the GNU General Public License as published by the
|
||||
Free Software Foundation; either version 2, or (at your option) any
|
||||
later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
#ifndef _GETOPT_H
|
||||
#define _GETOPT_H 1
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* For communication from `getopt' to the caller.
|
||||
When `getopt' finds an option that takes an argument,
|
||||
the argument value is returned here.
|
||||
Also, when `ordering' is RETURN_IN_ORDER,
|
||||
each non-option ARGV-element is returned here. */
|
||||
|
||||
extern char *optarg;
|
||||
|
||||
/* Index in ARGV of the next element to be scanned.
|
||||
This is used for communication to and from the caller
|
||||
and for communication between successive calls to `getopt'.
|
||||
|
||||
On entry to `getopt', zero means this is the first call; initialize.
|
||||
|
||||
When `getopt' returns EOF, this is the index of the first of the
|
||||
non-option elements that the caller should itself scan.
|
||||
|
||||
Otherwise, `optind' communicates from one call to the next
|
||||
how much of ARGV has been scanned so far. */
|
||||
|
||||
extern int optind;
|
||||
|
||||
/* Callers store zero here to inhibit the error message `getopt' prints
|
||||
for unrecognized options. */
|
||||
|
||||
extern int opterr;
|
||||
|
||||
/* Set to an option character which was unrecognized. */
|
||||
|
||||
extern int optopt;
|
||||
|
||||
/* Describe the long-named options requested by the application.
|
||||
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
|
||||
of `struct option' terminated by an element containing a name which is
|
||||
zero.
|
||||
|
||||
The field `has_arg' is:
|
||||
no_argument (or 0) if the option does not take an argument,
|
||||
required_argument (or 1) if the option requires an argument,
|
||||
optional_argument (or 2) if the option takes an optional argument.
|
||||
|
||||
If the field `flag' is not NULL, it points to a variable that is set
|
||||
to the value given in the field `val' when the option is found, but
|
||||
left unchanged if the option is not found.
|
||||
|
||||
To have a long-named option do something other than set an `int' to
|
||||
a compiled-in constant, such as set a value from `optarg', set the
|
||||
option's `flag' field to zero and its `val' field to a nonzero
|
||||
value (the equivalent single-letter option character, if there is
|
||||
one). For long options that have a zero `flag' field, `getopt'
|
||||
returns the contents of the `val' field. */
|
||||
|
||||
struct option
|
||||
{
|
||||
#if __STDC__
|
||||
const char *name;
|
||||
#else
|
||||
char *name;
|
||||
#endif
|
||||
/* has_arg can't be an enum because some compilers complain about
|
||||
type mismatches in all the code that assumes it is an int. */
|
||||
int has_arg;
|
||||
int *flag;
|
||||
int val;
|
||||
};
|
||||
|
||||
/* Names for the values of the `has_arg' field of `struct option'. */
|
||||
|
||||
#define no_argument 0
|
||||
#define required_argument 1
|
||||
#define optional_argument 2
|
||||
|
||||
#if __STDC__ || defined(PROTO)
|
||||
#if defined(__GNU_LIBRARY__)
|
||||
/* Many other libraries have conflicting prototypes for getopt, with
|
||||
differences in the consts, in stdlib.h. To avoid compilation
|
||||
errors, only prototype getopt for the GNU C library. */
|
||||
extern int getopt (int argc, char *const *argv, const char *shortopts);
|
||||
#endif /* not __GNU_LIBRARY__ */
|
||||
extern int getopt_long (int argc, char *const *argv, const char *shortopts,
|
||||
const struct option *longopts, int *longind);
|
||||
extern int getopt_long_only (int argc, char *const *argv,
|
||||
const char *shortopts,
|
||||
const struct option *longopts, int *longind);
|
||||
|
||||
/* Internal only. Users should not call this directly. */
|
||||
extern int _getopt_internal (int argc, char *const *argv,
|
||||
const char *shortopts,
|
||||
const struct option *longopts, int *longind,
|
||||
int long_only);
|
||||
#else /* not __STDC__ */
|
||||
extern int getopt ();
|
||||
extern int getopt_long ();
|
||||
extern int getopt_long_only ();
|
||||
|
||||
extern int _getopt_internal ();
|
||||
#endif /* not __STDC__ */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _GETOPT_H */
|
|
@ -0,0 +1,241 @@
|
|||
<html>
|
||||
<head>
|
||||
<title>RINETD(8)</title>
|
||||
</head>
|
||||
<body bgcolor="#FFFFF0">
|
||||
<!--
|
||||
Copyright (c) 1997, 1998, 1999, Thomas Boutell and Boutell.Com, Inc.
|
||||
This software is released for free use under the terms of
|
||||
the GNU General Public License, version 2 or higher.
|
||||
-->
|
||||
<table>
|
||||
<tr>
|
||||
<th width=33% align=left>RINETD(8)
|
||||
<th width=33% align=right>Unix System Manager's Manual
|
||||
<th width=33% align=right>RINETD(8)
|
||||
</tr>
|
||||
</table>
|
||||
<p>
|
||||
<font color="#FF8888" size="4">NAME</font>
|
||||
<p>
|
||||
rinetd -- internet ``redirection server''
|
||||
<p>
|
||||
<font color="#FF8888" size="4">SYNOPSIS</font>
|
||||
<p>
|
||||
<code>/usr/sbin/rinetd</code>
|
||||
<p>
|
||||
<font color="#FF8888" size="4">VERSION</font>
|
||||
<p>
|
||||
Version 0.62, 04/13/2003. Version 0.62 corrects a potential
|
||||
buffer overflow when reallocating memory to accommodate more
|
||||
connections. Upgrading is strongly recommended.
|
||||
<p>
|
||||
<font color="#FF8888" size="4">WHERE TO GET</font>
|
||||
<p>
|
||||
<strong>For Linux:</strong>
|
||||
<a href="ftp://ftp.boutell.com/pub/boutell/rinetd/rinetd.tar.gz">By
|
||||
anonymous FTP from ftp.boutell.com</a> in the subdirectory
|
||||
<code>boutell/rinetd</code> as the file <code>rinetd.tar.gz</code>.
|
||||
<p>
|
||||
<strong>For Windows 95/98/NT:</strong>
|
||||
<a href="ftp://ftp.boutell.com/pub/boutell/rinetd/rinetd.zip">By
|
||||
anonymous FTP from ftp.boutell.com</a> in the subdirectory
|
||||
<code>boutell/rinetd</code> as the file <code>rinetd.zip</code>.
|
||||
<p>
|
||||
<font color="#FF8888" size="4">DESCRIPTION</font>
|
||||
<p>
|
||||
Redirects TCP connections from one IP address and port to another. rinetd
|
||||
is a single-process server which handles any number of connections to
|
||||
the address/port pairs specified in the file <code>/etc/rinetd.conf</code>.
|
||||
Since rinetd runs as a single process using nonblocking I/O, it is
|
||||
able to redirect a large number of connections without a severe
|
||||
impact on the machine. This makes it practical to run TCP services
|
||||
on machines inside an IP masquerading firewall. rinetd <strong>does not
|
||||
redirect FTP,</strong> because FTP requires more than one socket.
|
||||
<p>
|
||||
rinetd is typically launched at boot time, using the following syntax:
|
||||
<p>
|
||||
<code>/usr/sbin/rinetd</code>
|
||||
<p>
|
||||
The configuration file is found in the file
|
||||
<code>/etc/rinetd.conf</code>, unless
|
||||
another file is specified using the <code>-c</code> command line option.
|
||||
<p>
|
||||
<font color="#FF8888" size="4">FORWARDING RULES</font>
|
||||
<p>
|
||||
Most entries in the configuration file are forwarding rules. The
|
||||
format of a forwarding rule is as follows:
|
||||
<pre>
|
||||
bindaddress bindport connectaddress connectport
|
||||
</pre>
|
||||
For example:
|
||||
<pre>
|
||||
206.125.69.81 80 10.1.1.2 80
|
||||
</pre>
|
||||
Would redirect all connections to port 80 of the "real" IP address
|
||||
206.125.69.81, which could be a virtual interface, through
|
||||
rinetd to port 80 of the address 10.1.1.2, which would typically
|
||||
be a machine on the inside of a firewall which has no
|
||||
direct routing to the outside world.
|
||||
<p>
|
||||
Although responding on individual interfaces rather than on all
|
||||
interfaces is one of rinetd's primary features, sometimes it is
|
||||
preferable to respond on all IP addresses that belong to the server.
|
||||
In this situation, the special IP address <code>0.0.0.0</code>
|
||||
can be used. For example:
|
||||
<pre>
|
||||
0.0.0.0 23 10.1.1.2 23
|
||||
</pre>
|
||||
Would redirect all connections to port 23, for all IP addresses
|
||||
assigned to the server. This is the default behavior for most
|
||||
other programs.
|
||||
<p>
|
||||
Service names can be specified instead of port numbers. On most systems,
|
||||
service names are defined in the file /etc/services.
|
||||
<p>
|
||||
Both IP addresses and hostnames are accepted for
|
||||
bindaddress and connectaddress.
|
||||
<p>
|
||||
<font color="#FF8888" size="4">ALLOW AND DENY RULES</font>
|
||||
<p>
|
||||
Configuration files can also contain allow and deny rules.
|
||||
<p>
|
||||
Allow rules which appear before the first forwarding rule are
|
||||
applied globally: if at least one global allow rule exists,
|
||||
and the address of a new connection does not
|
||||
satisfy at least one of the global allow rules, that connection
|
||||
is immediately rejected, regardless of any other rules.
|
||||
<p>
|
||||
Allow rules which appear after a specific forwarding rule apply
|
||||
to that forwarding rule only. If at least one allow rule
|
||||
exists for a particular forwarding rule, and the address of a new
|
||||
connection does not satisfy at least one of the allow rules
|
||||
for that forwarding rule, that connection is immediately
|
||||
rejected, regardless of any other rules.
|
||||
<p>
|
||||
Deny rules which appear before the first forwarding rule are
|
||||
applied globally: if the address of a new connection satisfies
|
||||
any of the global allow rules, that connection
|
||||
is immediately rejected, regardless of any other rules.
|
||||
<p>
|
||||
Deny rules which appear after a specific forwarding rule apply
|
||||
to that forwarding rule only. If the address of a new
|
||||
connection satisfies any of the deny rules for that forwarding rule,
|
||||
that connection is immediately rejected, regardless of any other rules.
|
||||
<p>
|
||||
The format of an allow rule is as follows:
|
||||
<pre>
|
||||
allow pattern
|
||||
</pre>
|
||||
Patterns can contain the following characters: 0, 1, 2, 3, 4, 5,
|
||||
6, 7, 8, 9, . (period), ?, and *. The ? wildcard matches any one
|
||||
character. The * wildcard matches any number of characters, including
|
||||
zero.
|
||||
<p>
|
||||
For example:
|
||||
<p>
|
||||
<pre>
|
||||
allow 206.125.69.*
|
||||
</pre>
|
||||
This allow rule matches all IP addresses in the 206.125.69 class C domain.
|
||||
<p>
|
||||
Host names are NOT permitted in allow and deny rules. The performance
|
||||
cost of looking up IP addresses to find their corresponding names
|
||||
is prohibitive. Since rinetd is a single process server, all other
|
||||
connections would be forced to pause during the address lookup.
|
||||
<p>
|
||||
<font color="#FF8888" size="4">LOGGING</font>
|
||||
<p>
|
||||
rinetd is able to produce a log file in either of two formats:
|
||||
tab-delimited and web server-style "common log format."
|
||||
<p>
|
||||
By default, rinetd does not produce a log file. To activate logging, add
|
||||
the following line to the configuration file:
|
||||
<pre>
|
||||
logfile log-file-location
|
||||
</pre>
|
||||
Example:
|
||||
<pre>
|
||||
logfile /var/log/rinetd.log
|
||||
</pre>
|
||||
By default, rinetd logs in a simple tab-delimited format containing
|
||||
the following information:
|
||||
<p>
|
||||
Date and time<br>
|
||||
Client address<br>
|
||||
|
||||
Listening host
|
||||
<br>
|
||||
Listening port
|
||||
<br>
|
||||
Forwarded-to host
|
||||
<br>
|
||||
Forwarded-to port
|
||||
<br>
|
||||
Bytes received from client
|
||||
<br>
|
||||
Bytes sent to client
|
||||
<br>
|
||||
Result message
|
||||
<p>
|
||||
To activate web server-style "common log format" logging,
|
||||
add the following line to the configuration file:
|
||||
<pre>
|
||||
logcommon
|
||||
</pre>
|
||||
<p>
|
||||
<font color="#FF8888" size="4">COMMAND LINE OPTIONS</font>
|
||||
<p>
|
||||
The -c command line option is used to specify an alternate
|
||||
configuration file.
|
||||
<p>
|
||||
The -h command line option produces a short help message.
|
||||
<p>
|
||||
The -v command line option displays the version number.
|
||||
<p>
|
||||
<font color="#FF8888" size="4">REINITIALIZING RINETD</font>
|
||||
<p>
|
||||
The kill -1 signal (SIGHUP) can be used to cause rinetd
|
||||
to reload its configuration file <strong>without</strong> interrupting existing
|
||||
connections. Under Linux(tm) the process id
|
||||
is saved in the file <code>/var/run/rinetd.pid</code>
|
||||
to facilitate the kill -HUP. An alternate
|
||||
file name can be provided by using the <code>pidlogfile</code>
|
||||
configuration file option.
|
||||
<p>
|
||||
<font color="#FF8888" size="4">BUGS</font>
|
||||
<p>
|
||||
The server redirected to is not able to identify the host the
|
||||
client really came from. This cannot be corrected; however,
|
||||
the log produced by rinetd provides a way to obtain this
|
||||
information. Under Unix, sockets would theoretically lose data when closed
|
||||
with <code>SO_LINGER</code> turned off, but in Linux this is not the case
|
||||
(kernel source comments support this belief on my part). On non-Linux Unix
|
||||
platforms, alternate code which uses a different trick to work around
|
||||
blocking <code>close()</code> is provided, but this code is untested.
|
||||
<p>
|
||||
The logging is inadequate. The duration of the connection should be logged.
|
||||
<p>
|
||||
<font color="#FF8888" size="4">LICENSE</font>
|
||||
<p>
|
||||
Copyright (c) 1997, 1998, 1999,
|
||||
<a href="http://www.boutell.com/boutell">Thomas Boutell</a> and
|
||||
<a href="http://www.boutell.com/">Boutell.Com, Inc.</a>
|
||||
This software is released for free use under the terms of
|
||||
the GNU General Public License, version 2 or higher.
|
||||
<p>
|
||||
<font color="#FF8888" size="4">CONTACT INFORMATION</font>
|
||||
<p>
|
||||
See <a href="http://www.boutell.com/rinetd">the rinetd web page</a>
|
||||
for the latest release.
|
||||
Thomas Boutell can be reached by email:
|
||||
<a href="mailto:boutell@boutell.com">boutell@boutell.com</a>
|
||||
<p>
|
||||
<font color="#FF8888" size="4">THANKS</font>
|
||||
<p>
|
||||
Thanks are due to Bill Davidsen, Libor Pechachek, Sascha Ziemann,
|
||||
Joel S. Noble, the Apache Group, and many others who have contributed
|
||||
advice, encouragement and/or source code to this and other open
|
||||
software projects.
|
||||
</body>
|
||||
</html>
|
|
@ -0,0 +1,195 @@
|
|||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
#include "match.h"
|
||||
|
||||
int match(char *sorig, char *p)
|
||||
{
|
||||
return matchBody(sorig, p, 0);
|
||||
}
|
||||
|
||||
int matchNoCase(char *sorig, char *p)
|
||||
{
|
||||
return matchBody(sorig, p, 1);
|
||||
}
|
||||
|
||||
#define CASE(x) (nocase ? tolower(x) : (x))
|
||||
|
||||
int matchBody(char *sorig, char *p, int nocase)
|
||||
{
|
||||
static int dummy = 0;
|
||||
/* Algorithm:
|
||||
|
||||
Word separator: *. End-of-string
|
||||
is considered to be a word constituent.
|
||||
? is similarly considered to be a specialized
|
||||
word constituent.
|
||||
|
||||
Match the word to the current position in s.
|
||||
Empty words automatically succeed.
|
||||
|
||||
If the word matches s, and the word
|
||||
and s contain end-of-string at that
|
||||
point, return success.
|
||||
|
||||
\ escapes the next character, including \ itself (6.0).
|
||||
|
||||
For each *:
|
||||
|
||||
Find the next occurrence of the next word
|
||||
and advance beyond it in both p and s.
|
||||
If the next word ends in end-of-string
|
||||
and is found successfully, return success,
|
||||
otherwise advance past the *.
|
||||
|
||||
If the word is not found, return failure.
|
||||
|
||||
If the next word is empty, advance past the *.
|
||||
|
||||
Behavior of ?: advance one character in s and p.
|
||||
|
||||
Addendum: consider the | character to be a logical OR
|
||||
separating distinct patterns. */
|
||||
|
||||
char *s = sorig;
|
||||
int escaped = 0;
|
||||
if (strstr(p, "WS-0000")) {
|
||||
if (strstr(s, "ws_ftp_pro.html")) {
|
||||
dummy = 1;
|
||||
}
|
||||
}
|
||||
while (1) {
|
||||
char *word;
|
||||
int wordLen;
|
||||
int wordPos;
|
||||
if (escaped) {
|
||||
/* This is like the default case,
|
||||
except that | doesn't end the pattern. */
|
||||
escaped = 0;
|
||||
if ((*s == '\0') && (*p == '\0')) {
|
||||
return 1;
|
||||
}
|
||||
if (CASE(*p) != CASE(*s)) {
|
||||
goto nextPattern;
|
||||
}
|
||||
p++;
|
||||
s++;
|
||||
continue;
|
||||
}
|
||||
switch(*p) {
|
||||
case '\\':
|
||||
/* Escape the next character. */
|
||||
escaped = 1;
|
||||
p++;
|
||||
continue;
|
||||
case '*':
|
||||
/* Find the next occurrence of the next word
|
||||
and advance beyond it in both p and s.
|
||||
If the next word ends in end-of-string
|
||||
and is found successfully, return success,
|
||||
otherwise advance past the *.
|
||||
|
||||
If the word is not found, return failure.
|
||||
|
||||
If the next word is empty, advance. */
|
||||
p++;
|
||||
wordLen = 0;
|
||||
word = p;
|
||||
while (1) {
|
||||
if ((*p) == '*') {
|
||||
break;
|
||||
}
|
||||
wordLen++;
|
||||
if ((*p == '\0') || (*p == '|')) {
|
||||
break;
|
||||
}
|
||||
p++;
|
||||
}
|
||||
wordPos = 0;
|
||||
while (1) {
|
||||
if (wordPos == wordLen) {
|
||||
if ((*p == '\0') || (*p == '|')) {
|
||||
return 1;
|
||||
}
|
||||
break;
|
||||
}
|
||||
if ((((CASE(*s)) == CASE(word[wordPos])) ||
|
||||
((*s == '\0') &&
|
||||
(word[wordPos] == '|'))) ||
|
||||
(((*s != '\0') && (*s != '|')) &&
|
||||
(word[wordPos] == '?')))
|
||||
{
|
||||
wordPos++;
|
||||
s++;
|
||||
} else {
|
||||
s -= wordPos;
|
||||
if (!(*s)) {
|
||||
goto nextPattern;
|
||||
}
|
||||
s++;
|
||||
wordPos = 0;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case '?':
|
||||
p++;
|
||||
s++;
|
||||
break;
|
||||
default:
|
||||
if ((*s == '\0') && ((*p == '\0') ||
|
||||
(*p == '|'))) {
|
||||
return 1;
|
||||
}
|
||||
if (CASE(*p) != CASE(*s)) {
|
||||
goto nextPattern;
|
||||
}
|
||||
p++;
|
||||
s++;
|
||||
break;
|
||||
}
|
||||
continue;
|
||||
nextPattern:
|
||||
while (1) {
|
||||
if (*p == '\0') {
|
||||
return 0;
|
||||
}
|
||||
if (*p == '|') {
|
||||
p++;
|
||||
s = sorig;
|
||||
break;
|
||||
}
|
||||
p++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef TEST_MATCH
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
char s[1024];
|
||||
if (argc != 2) {
|
||||
fprintf(stderr, "Usage: match pattern\n");
|
||||
return 1;
|
||||
}
|
||||
while (1) {
|
||||
if (!fgets(s, sizeof(s), stdin)) {
|
||||
break;
|
||||
}
|
||||
while (isspace(s[strlen(s) - 1])) {
|
||||
s[strlen(s) - 1] = '\0';
|
||||
}
|
||||
printf("%s --> %s\n", s, argv[1]);
|
||||
if (match(s, argv[1])) {
|
||||
printf("Match\n");
|
||||
} else {
|
||||
printf("No Match\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* TEST_MATCH */
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
#ifndef MATCH_H
|
||||
#define MATCH_H 1
|
||||
|
||||
extern int match(char *s, char *p);
|
||||
extern int matchNoCase(char *s, char *p);
|
||||
extern int matchBody(char *s, char *p, int nocase);
|
||||
|
||||
#endif /* MATCH_H */
|
||||
|
|
@ -0,0 +1,190 @@
|
|||
.\" Copyright (c) 1997, 1998, 1999, Thomas Boutell and Boutell.Com, Inc.
|
||||
.\" This software is released for free use under the terms of
|
||||
.\" the GNU Public License, version 2 or higher.
|
||||
.\"
|
||||
.Dd February 18, 1999
|
||||
.Dt RINETD 8
|
||||
.Os LINUX
|
||||
.Sh NAME
|
||||
.Nm rinetd
|
||||
.Nd internet
|
||||
.Dq redirection server
|
||||
.Sh SYNOPSIS
|
||||
.Nm /usr/sbin/rinetd
|
||||
.Sh VERSION
|
||||
Version 0.62, 04/14/2003.
|
||||
.Sh DESCRIPTION
|
||||
.Nm rinetd
|
||||
redirects TCP connections from one IP address and port to another. rinetd
|
||||
is a single-process server which handles any number of connections to
|
||||
the address/port pairs specified in the file /etc/rinetd.conf.
|
||||
Since rinetd runs as a single process using nonblocking I/O, it is
|
||||
able to redirect a large number of connections without a severe
|
||||
impact on the machine. This makes it practical to run TCP services
|
||||
on machines inside an IP masquerading firewall. rinetd does not
|
||||
redirect FTP, because FTP requires more than one socket.
|
||||
.Pp
|
||||
rinetd is typically launched at boot time, using the following syntax:
|
||||
.Pp
|
||||
/usr/sbin/rinetd
|
||||
.Pp
|
||||
The configuration file is found in the file /etc/rinetd.conf, unless
|
||||
another file is specified using the -c command line option.
|
||||
.Sh FORWARDING RULES
|
||||
Most entries in the configuration file are forwarding rules. The
|
||||
format of a forwarding rule is as follows:
|
||||
.Pp
|
||||
bindaddress bindport connectaddress connectport
|
||||
.Pp
|
||||
For example:
|
||||
.Pp
|
||||
206.125.69.81 80 10.1.1.2 80
|
||||
.Pp
|
||||
Would redirect all connections to port 80 of the "real" IP address
|
||||
206.125.69.81, which could be a virtual interface, through
|
||||
rinetd to port 80 of the address 10.1.1.2, which would typically
|
||||
be a machine on the inside of a firewall which has no
|
||||
direct routing to the outside world.
|
||||
.Pp
|
||||
Although responding on individual interfaces rather than on all
|
||||
interfaces is one of rinetd's primary features, sometimes it is
|
||||
preferable to respond on all IP addresses that belong to the server.
|
||||
In this situation, the special IP address 0.0.0.0
|
||||
can be used. For example:
|
||||
.Pp
|
||||
0.0.0.0 23 10.1.1.2 23
|
||||
.Pp
|
||||
Would redirect all connections to port 23, for all IP addresses
|
||||
assigned to the server. This is the default behavior for most
|
||||
other programs.
|
||||
.Pp
|
||||
Service names can be specified instead of port numbers. On most systems,
|
||||
service names are defined in the file /etc/services.
|
||||
.Pp
|
||||
Both IP addresses and hostnames are accepted for
|
||||
bindaddress and connectaddress.
|
||||
.Pp
|
||||
.Sh ALLOW AND DENY RULES
|
||||
Configuration files can also contain allow and deny rules.
|
||||
.Pp
|
||||
Allow rules which appear before the first forwarding rule are
|
||||
applied globally: if at least one global allow rule exists,
|
||||
and the address of a new connection does not
|
||||
satisfy at least one of the global allow rules, that connection
|
||||
is immediately rejected, regardless of any other rules.
|
||||
.Pp
|
||||
Allow rules which appear after a specific forwarding rule apply
|
||||
to that forwarding rule only. If at least one allow rule
|
||||
exists for a particular forwarding rule, and the address of a new
|
||||
connection does not satisfy at least one of the allow rules
|
||||
for that forwarding rule, that connection is immediately
|
||||
rejected, regardless of any other rules.
|
||||
.Pp
|
||||
Deny rules which appear before the first forwarding rule are
|
||||
applied globally: if the address of a new connection satisfies
|
||||
any of the global allow rules, that connection
|
||||
is immediately rejected, regardless of any other rules.
|
||||
.Pp
|
||||
Deny rules which appear after a specific forwarding rule apply
|
||||
to that forwarding rule only. If the address of a new
|
||||
connection satisfies any of the deny rules for that forwarding rule,
|
||||
that connection is immediately rejected, regardless of any other rules.
|
||||
.Pp
|
||||
The format of an allow rule is as follows:
|
||||
.Pp
|
||||
allow pattern
|
||||
.Pp
|
||||
Patterns can contain the following characters: 0, 1, 2, 3, 4, 5,
|
||||
6, 7, 8, 9, . (period), ?, and *. The ? wildcard matches any one
|
||||
character. The * wildcard matches any number of characters, including
|
||||
zero.
|
||||
.Pp
|
||||
For example:
|
||||
.Pp
|
||||
allow 206.125.69.*
|
||||
.Pp
|
||||
This allow rule matches all IP addresses in the 206.125.69 class C domain.
|
||||
.Pp
|
||||
Host names are NOT permitted in allow and deny rules. The performance
|
||||
cost of looking up IP addresses to find their corresponding names
|
||||
is prohibitive. Since rinetd is a single process server, all other
|
||||
connections would be forced to pause during the address lookup.
|
||||
.Pp
|
||||
.Sh LOGGING
|
||||
rinetd is able to produce a log file in either of two formats:
|
||||
tab-delimited and web server-style "common log format."
|
||||
.Pp
|
||||
By default, rinetd does not produce a log file. To activate logging, add
|
||||
the following line to the configuration file:
|
||||
.Pp
|
||||
logfile log-file-location
|
||||
.Pp
|
||||
Example: logfile /var/log/rinetd.log
|
||||
.Pp
|
||||
By default, rinetd logs in a simple tab-delimited format containing
|
||||
the following information:
|
||||
.Pp
|
||||
Date and time
|
||||
.Pp
|
||||
Client address
|
||||
.Pp
|
||||
Listening host
|
||||
.Pp
|
||||
Listening port
|
||||
.Pp
|
||||
Forwarded-to host
|
||||
.Pp
|
||||
Forwarded-to port
|
||||
.Pp
|
||||
Bytes received from client
|
||||
.Pp
|
||||
Bytes sent to client
|
||||
.Pp
|
||||
Result message
|
||||
.Pp
|
||||
To activate web server-style "common log format" logging,
|
||||
add the following line to the configuration file:
|
||||
.Pp
|
||||
logcommon
|
||||
.Sh COMMAND LINE OPTIONS
|
||||
The -c command line option is used to specify an alternate
|
||||
configuration file.
|
||||
.Pp
|
||||
The -h command line option produces a short help message.
|
||||
.Pp
|
||||
The -v command line option displays the version number.
|
||||
.Sh REINITIALIZING RINETD
|
||||
The kill -1 signal (SIGHUP) can be used to cause rinetd
|
||||
to reload its configuration file without interrupting existing
|
||||
connections.
|
||||
Under Linux\(tm the process id is saved in the file \fI/var/run/rinetd.pid\fR
|
||||
to facilitate the kill -HUP. An alternate
|
||||
filename can be provided by using the <code>pidlogfile</code>
|
||||
configuration file option.
|
||||
|
||||
.Sh LIMITATIONS
|
||||
rinetd redirects TCP connections only. There is
|
||||
no support for UDP. rinetd only redirects protocols which
|
||||
use a single TCP socket. This rules out FTP.
|
||||
.Sh BUGS
|
||||
The server redirected to is not able to identify the host the
|
||||
client really came from. This cannot be corrected; however,
|
||||
the log produced by rinetd provides a way to obtain this
|
||||
information. Under Unix, Sockets would theoretically lose data when closed
|
||||
with SO_LINGER turned off, but in Linux this is not the case (kernel
|
||||
source comments support this belief on my part). On non-Linux Unix platforms,
|
||||
alternate code which uses a different trick to work around blocking close()
|
||||
is provided, but this code is untested. The logging is inadequate.
|
||||
The duration of each connection should be logged.
|
||||
.Sh LICENSE
|
||||
Copyright (c) 1997, 1998, 1999, Thomas Boutell and Boutell.Com, Inc.
|
||||
This software is released for free use under the terms of
|
||||
the GNU Public License, version 2 or higher. NO WARRANTY
|
||||
IS EXPRESSED OR IMPLIED. USE THIS SOFTWARE AT YOUR OWN RISK.
|
||||
.Sh CONTACT INFORMATION
|
||||
See http://www.boutell.com/rinetd/ for the latest release.
|
||||
Thomas Boutell can be reached by email: boutell@boutell.com
|
||||
.Sh THANKS
|
||||
Thanks are due to Bill Davidsen, Libor Pechachek, Sascha Ziemann, the
|
||||
Apache Group, and many others who have contributed advice
|
||||
and/or source code to this and other free software projects.
|
|
@ -0,0 +1,97 @@
|
|||
# Microsoft Developer Studio Project File - Name="rinetd" - Package Owner=<4>
|
||||
# Microsoft Developer Studio Generated Build File, Format Version 5.00
|
||||
# ** DO NOT EDIT **
|
||||
|
||||
# TARGTYPE "Win32 (x86) Console Application" 0x0103
|
||||
|
||||
CFG=rinetd - Win32 Debug
|
||||
!MESSAGE This is not a valid makefile. To build this project using NMAKE,
|
||||
!MESSAGE use the Export Makefile command and run
|
||||
!MESSAGE
|
||||
!MESSAGE NMAKE /f "rinetd.mak".
|
||||
!MESSAGE
|
||||
!MESSAGE You can specify a configuration when running NMAKE
|
||||
!MESSAGE by defining the macro CFG on the command line. For example:
|
||||
!MESSAGE
|
||||
!MESSAGE NMAKE /f "rinetd.mak" CFG="rinetd - Win32 Debug"
|
||||
!MESSAGE
|
||||
!MESSAGE Possible choices for configuration are:
|
||||
!MESSAGE
|
||||
!MESSAGE "rinetd - Win32 Release" (based on "Win32 (x86) Console Application")
|
||||
!MESSAGE "rinetd - Win32 Debug" (based on "Win32 (x86) Console Application")
|
||||
!MESSAGE
|
||||
|
||||
# Begin Project
|
||||
# PROP Scc_ProjName ""
|
||||
# PROP Scc_LocalPath ""
|
||||
CPP=cl.exe
|
||||
RSC=rc.exe
|
||||
|
||||
!IF "$(CFG)" == "rinetd - Win32 Release"
|
||||
|
||||
# PROP BASE Use_MFC 0
|
||||
# PROP BASE Use_Debug_Libraries 0
|
||||
# PROP BASE Output_Dir "Release"
|
||||
# PROP BASE Intermediate_Dir "Release"
|
||||
# PROP BASE Target_Dir ""
|
||||
# PROP Use_MFC 0
|
||||
# PROP Use_Debug_Libraries 0
|
||||
# PROP Output_Dir "Release"
|
||||
# PROP Intermediate_Dir "Release"
|
||||
# PROP Ignore_Export_Lib 0
|
||||
# PROP Target_Dir ""
|
||||
# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
|
||||
# ADD CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
|
||||
# ADD BASE RSC /l 0x409 /d "NDEBUG"
|
||||
# ADD RSC /l 0x409 /d "NDEBUG"
|
||||
BSC32=bscmake.exe
|
||||
# ADD BASE BSC32 /nologo
|
||||
# ADD BSC32 /nologo
|
||||
LINK32=link.exe
|
||||
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
|
||||
# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib wsock32.lib /nologo /subsystem:console /machine:I386
|
||||
|
||||
!ELSEIF "$(CFG)" == "rinetd - Win32 Debug"
|
||||
|
||||
# PROP BASE Use_MFC 0
|
||||
# PROP BASE Use_Debug_Libraries 1
|
||||
# PROP BASE Output_Dir "Debug"
|
||||
# PROP BASE Intermediate_Dir "Debug"
|
||||
# PROP BASE Target_Dir ""
|
||||
# PROP Use_MFC 0
|
||||
# PROP Use_Debug_Libraries 1
|
||||
# PROP Output_Dir "Debug"
|
||||
# PROP Intermediate_Dir "Debug"
|
||||
# PROP Ignore_Export_Lib 0
|
||||
# PROP Target_Dir ""
|
||||
# ADD BASE CPP /nologo /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
|
||||
# ADD CPP /nologo /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
|
||||
# ADD BASE RSC /l 0x409 /d "_DEBUG"
|
||||
# ADD RSC /l 0x409 /d "_DEBUG"
|
||||
BSC32=bscmake.exe
|
||||
# ADD BASE BSC32 /nologo
|
||||
# ADD BSC32 /nologo
|
||||
LINK32=link.exe
|
||||
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
|
||||
# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib wsock32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
|
||||
|
||||
!ENDIF
|
||||
|
||||
# Begin Target
|
||||
|
||||
# Name "rinetd - Win32 Release"
|
||||
# Name "rinetd - Win32 Debug"
|
||||
# Begin Source File
|
||||
|
||||
SOURCE=.\getopt.c
|
||||
# End Source File
|
||||
# Begin Source File
|
||||
|
||||
SOURCE=.\match.c
|
||||
# End Source File
|
||||
# Begin Source File
|
||||
|
||||
SOURCE=.\rinetd.c
|
||||
# End Source File
|
||||
# End Target
|
||||
# End Project
|
|
@ -0,0 +1,29 @@
|
|||
Microsoft Developer Studio Workspace File, Format Version 5.00
|
||||
# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
|
||||
|
||||
###############################################################################
|
||||
|
||||
Project: "rinetd"=.\rinetd.dsp - Package Owner=<4>
|
||||
|
||||
Package=<5>
|
||||
{{{
|
||||
}}}
|
||||
|
||||
Package=<4>
|
||||
{{{
|
||||
}}}
|
||||
|
||||
###############################################################################
|
||||
|
||||
Global:
|
||||
|
||||
Package=<5>
|
||||
{{{
|
||||
}}}
|
||||
|
||||
Package=<3>
|
||||
{{{
|
||||
}}}
|
||||
|
||||
###############################################################################
|
||||
|
Binary file not shown.
Binary file not shown.
Binary file not shown.
|
@ -0,0 +1,32 @@
|
|||
--------------------Configuration: rinetd - Win32 Debug--------------------
|
||||
Begining build with project "g:\rinetd\rinetd.dsp", at root.
|
||||
Active configuration is Win32 (x86) Console Application (based on Win32 (x86) Console Application)
|
||||
|
||||
Project's tools are:
|
||||
"32-bit C/C++ Compiler for 80x86" with flags "/nologo /MLd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /Fp"Debug/rinetd.pch" /YX /Fo"Debug/" /Fd"Debug/" /FD /c "
|
||||
"Win32 Resource Compiler" with flags "/l 0x409 /d "_DEBUG" "
|
||||
"Browser Database Maker" with flags "/nologo /o"Debug/rinetd.bsc" "
|
||||
"COFF Linker for 80x86" with flags "kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib wsock32.lib /nologo /subsystem:console /incremental:yes /pdb:"Debug/rinetd.pdb" /debug /machine:I386 /out:"Debug/rinetd.exe" /pdbtype:sept "
|
||||
"Custom Build" with flags ""
|
||||
"<Component 0xa>" with flags ""
|
||||
|
||||
Creating temp file "c:\windows\TEMP\RSP10D4.TMP" with contents </nologo /MLd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /Fp"Debug/rinetd.pch" /YX /Fo"Debug/" /Fd"Debug/" /FD /c
|
||||
"G:\rinetd\rinetd.c"
|
||||
>
|
||||
Creating command line "cl.exe @c:\windows\TEMP\RSP10D4.TMP"
|
||||
Creating temp file "c:\windows\TEMP\RSP10D5.TMP" with contents <kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib wsock32.lib /nologo /subsystem:console /incremental:yes /pdb:"Debug/rinetd.pdb" /debug /machine:I386 /out:"Debug/rinetd.exe" /pdbtype:sept
|
||||
.\Debug\match.obj
|
||||
.\Debug\rinetd.obj
|
||||
.\Debug\getopt.obj>
|
||||
Creating command line "link.exe @c:\windows\TEMP\RSP10D5.TMP"
|
||||
Compiling...
|
||||
rinetd.c
|
||||
G:\rinetd\rinetd.c(965) : warning C4101: 'arg' : unreferenced local variable
|
||||
G:\rinetd\rinetd.c(992) : warning C4101: 'arg' : unreferenced local variable
|
||||
G:\rinetd\rinetd.c(1367) : warning C4101: 'pid_file' : unreferenced local variable
|
||||
Linking...
|
||||
LINK : LNK6004: Debug/rinetd.exe not found or not built by the last incremental link; performing full link
|
||||
|
||||
|
||||
|
||||
rinetd.exe - 0 error(s), 3 warning(s)
|
Loading…
Reference in New Issue