main.c
资源名称:socks5.zip [点击查看]
上传用户:sddyfurun
上传日期:2007-01-04
资源大小:525k
文件大小:6k
源码类别:
代理服务器
开发平台:
Unix_Linux
- /*
- * Copyright (c) 1988, 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #ifdef SHOW_COPYRIGHTS
- static char copyright[] =
- "@(#) Copyright (c) 1988, 1990, 1993n
- The Regents of the University of California. All rights reserved.n";
- #endif
- #ifdef SHOW_SCCSIDS
- static char sccsid[] = "@(#)main.c 8.3 (Berkeley) 5/30/95";
- #endif
- #include <sys/types.h>
- #include "ring.h"
- #include "externs.h"
- #include "defines.h"
- /* These values need to be the same as defined in libtelnet/kerberos5.c */
- /* Either define them in both places, or put in some common header file. */
- #define OPTS_FORWARD_CREDS 0x00000002
- #define OPTS_FORWARDABLE_CREDS 0x00000001
- #if 0
- #define FORWARD
- #endif
- /*
- * Initialize variables.
- */
- void
- tninit()
- {
- init_terminal();
- init_network();
- init_telnet();
- init_sys();
- #ifdef TN3270
- init_3270();
- #endif
- }
- void
- usage()
- {
- fprintf(stderr, "Usage: %s %s%s%s%sn",
- prompt,
- "[-8] [-E] [-L] [-S tos] [-a] [-c] [-d] [-e char] [-l user]",
- "nt[-n tracefile]",
- #ifdef TN3270
- "[-noasynch] [-noasynctty] [-noasyncnet] [-r]nt[-t transcom]",
- #else
- "[-r] ",
- #endif
- "[host-name [port]]"
- );
- exit(1);
- }
- /*
- * main. Parse arguments, invoke the protocol or command parser.
- */
- int main(argc, argv)
- int argc;
- char *argv[];
- {
- extern char *optarg;
- extern int optind;
- int ch;
- char *user;
- #ifdef FORWARD
- extern int forward_flags;
- #endif /* FORWARD */
- tninit(); /* Clear out things */
- #if defined(CRAY) && !defined(__STDC__)
- _setlist_init(); /* Work around compiler bug */
- #endif
- TerminalSaveState();
- if ((prompt = strrchr(argv[0], '/')))
- ++prompt;
- else
- prompt = argv[0];
- user = NULL;
- rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
- autologin = -1;
- while ((ch = getopt(argc, argv, "8EKLS:X:acde:fFk:l:n:rt:x")) != EOF) {
- switch(ch) {
- case '8':
- eight = 3; /* binary output and input */
- break;
- case 'E':
- rlogin = escape = _POSIX_VDISABLE;
- break;
- case 'K':
- break;
- case 'L':
- eight |= 2; /* binary output only */
- break;
- case 'S':
- {
- #ifdef HAS_GETTOS
- extern int tos;
- if ((tos = parsetos(optarg, "tcp")) < 0)
- fprintf(stderr, "%s%s%s%sn",
- prompt, ": Bad TOS argument '",
- optarg,
- "; will try to use default TOS");
- #else
- fprintf(stderr,
- "%s: Warning: -S ignored, no parsetos() support.n",
- prompt);
- #endif
- }
- break;
- case 'X':
- break;
- case 'a':
- autologin = 1;
- break;
- case 'c':
- skiprc = 1;
- break;
- case 'd':
- debug = 1;
- break;
- case 'e':
- set_escape_char(optarg);
- break;
- case 'f':
- fprintf(stderr,
- "%s: Warning: -f ignored, no Kerberos V5 support.n",
- prompt);
- break;
- case 'F':
- fprintf(stderr,
- "%s: Warning: -F ignored, no Kerberos V5 support.n",
- prompt);
- break;
- case 'k':
- fprintf(stderr,
- "%s: Warning: -k ignored, no Kerberos V4 support.n",
- prompt);
- break;
- case 'l':
- autologin = 1;
- user = optarg;
- break;
- case 'n':
- #ifdef TN3270
- /* distinguish between "-n oasynch" and "-noasynch" */
- if (argv[optind - 1][0] == '-' && argv[optind - 1][1]
- == 'n' && argv[optind - 1][2] == 'o') {
- if (!strcmp(optarg, "oasynch")) {
- noasynchtty = 1;
- noasynchnet = 1;
- } else if (!strcmp(optarg, "oasynchtty"))
- noasynchtty = 1;
- else if (!strcmp(optarg, "oasynchnet"))
- noasynchnet = 1;
- } else
- #endif /* defined(TN3270) */
- SetNetTrace(optarg);
- break;
- case 'r':
- rlogin = '~';
- break;
- case 't':
- #ifdef TN3270
- transcom = tline;
- (void)strcpy(transcom, optarg);
- #else
- fprintf(stderr,
- "%s: Warning: -t ignored, no TN3270 support.n",
- prompt);
- #endif
- break;
- case 'x':
- fprintf(stderr,
- "%s: Warning: -x ignored, no ENCRYPT support.n",
- prompt);
- break;
- case '?':
- default:
- usage();
- /* NOTREACHED */
- }
- }
- if (autologin == -1)
- autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
- argc -= optind;
- argv += optind;
- if (argc) {
- char *args[7], **argp = args;
- if (argc > 2)
- usage();
- *argp++ = prompt;
- if (user) {
- *argp++ = "-l";
- *argp++ = user;
- }
- *argp++ = argv[0]; /* host */
- if (argc > 1)
- *argp++ = argv[1]; /* port */
- *argp = 0;
- if (setjmp(toplevel) != 0)
- Exit(0);
- if (tn(argp - args, args) == 1)
- return (0);
- else
- return (1);
- }
- (void)setjmp(toplevel);
- for (;;) {
- #ifdef TN3270
- if (shell_active)
- shell_continue();
- else
- #endif
- command(1, 0, 0);
- }
- return 0;
- }