--- trunk/reactos/apps/utils/net/ftp/cmds.c 2005-02-08 17:10:19 UTC (rev 13466)
+++ trunk/reactos/apps/utils/net/ftp/cmds.c 2005-02-08 18:58:59 UTC (rev 13467)
@@ -1,2376 +1,2376 @@
-/*
- * Copyright (c) 1985, 1989 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef lint
-static char sccsid[] = "@(#)cmds.c 5.18 (Berkeley) 4/20/89";
-#endif /* not lint */
-
-/*
- * FTP User Program -- Command Routines.
- */
-//#include <sys/param.h>
-//#include <sys/wait.h>
-#include <sys/stat.h>
-#if !defined(WIN32)
-#include <sys/socket.h>
-#include <arpa/ftp.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#else
-#include <winsock.h>
-#endif
-
-#include <signal.h>
-#include <direct.h>
-#include <stdio.h>
-#include <errno.h>
-#include <ctype.h>
-#include <time.h>
-
-#include "ftp_var.h"
-#include "pathnames.h"
-#include "prototypes.h"
-
-extern char *globerr;
-extern char **glob();
-extern char home[];
-extern char *remglob();
-extern char *getenv();
-extern int allbinary;
-extern off_t restart_point;
-extern char reply_string[];
-
-char *mname;
-jmp_buf jabort;
-char *dotrans(), *domap();
-
-extern short portnum;
-extern char *hostname;
-extern int autologin;
-/*
- * Connect to peer server and
- * auto-login, if possible.
- */
-void setpeer(int argc, char *argv[])
-{
- char *host, *hookup();
-
- if (connected) {
- printf("Already connected to %s, use close first.\n",
- hostname);
- (void) fflush(stdout);
- code = -1;
- return;
- }
- if (argc < 2) {
- (void) strcat(line, " ");
- printf("(to) ");
- (void) fflush(stdout);
- (void) gets(&line[strlen(line)]);
- makeargv();
- argc = margc;
- argv = margv;
- }
- if (argc > 3) {
- printf("usage: %s host-name [port]\n", argv[0]);
- (void) fflush(stdout);
- code = -1;
- return;
- }
- if (argc > 2) {
- portnum = atoi(argv[2]);
- if (portnum <= 0) {
- printf("%s: bad port number-- %s\n", argv[1], argv[2]);
- printf ("usage: %s host-name [port]\n", argv[0]);
- (void) fflush(stdout);
- code = -1;
- return;
- }
- portnum = htons(portnum);
- }
- host = hookup(argv[1], portnum);
- if (host) {
-#if defined(unix) && NBBY == 8
- int overbose;
-#endif
- connected = 1;
- if (autologin)
- (void) login(argv[1]);
-
-#if defined(unix) && NBBY == 8
-/*
- * this ifdef is to keep someone form "porting" this to an incompatible
- * system and not checking this out. This way they have to think about it.
- */
- overbose = verbose;
- if (debug == 0)
- verbose = -1;
- allbinary = 0;
- if (command("SYST") == COMPLETE && overbose) {
- register char *cp, c;
- cp = index(reply_string+4, ' ');
- if (cp == NULL)
- cp = index(reply_string+4, '\r');
- if (cp) {
- if (cp[-1] == '.')
- cp--;
- c = *cp;
- *cp = '\0';
- }
-
- printf("Remote system type is %s.\n",
- reply_string+4);
- if (cp)
- *cp = c;
- }
- if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
- setbinary();
- /* allbinary = 1; this violates the RFC */
- if (overbose)
- printf("Using %s mode to transfer files.\n",
- typename);
- } else if (overbose &&
- !strncmp(reply_string, "215 TOPS20", 10)) {
- printf(
-"Remember to set tenex mode when transfering binary files from this machine.\n");
- }
- verbose = overbose;
-#endif /* unix */
- }
- (void) fflush(stdout);
-}
-
-struct types {
- char *t_name;
- char *t_mode;
- int t_type;
- char *t_arg;
-} types[] = {
- { "ascii", "A", TYPE_A, 0 },
- { "binary", "I", TYPE_I, 0 },
- { "image", "I", TYPE_I, 0 },
- { "ebcdic", "E", TYPE_E, 0 },
- { "tenex", "L", TYPE_L, bytename },
- 0
-};
-
-/*
- * Set transfer type.
- */
-void settype(argc, argv)
- char *argv[];
-{
- register struct types *p;
- int comret;
-
- if (argc > 2) {
- char *sep;
-
- printf("usage: %s [", argv[0]);
- sep = " ";
- for (p = types; p->t_name; p++) {
- printf("%s%s", sep, p->t_name);
- if (*sep == ' ')
- sep = " | ";
- }
- printf(" ]\n");
- (void) fflush(stdout);
- code = -1;
- return;
- }
- if (argc < 2) {
- printf("Using %s mode to transfer files.\n", typename);
- (void) fflush(stdout);
- code = 0;
- return;
- }
- for (p = types; p->t_name; p++)
- if (strcmp(argv[1], p->t_name) == 0)
- break;
- if (p->t_name == 0) {
- printf("%s: unknown mode\n", argv[1]);
- (void) fflush(stdout);
- code = -1;
- return;
- }
- if ((p->t_arg != NULL) && (*(p->t_arg) != '\0'))
- comret = command ("TYPE %s %s", p->t_mode, p->t_arg);
- else
- comret = command("TYPE %s", p->t_mode);
- if (comret == COMPLETE) {
- (void) strcpy(typename, p->t_name);
- type = p->t_type;
- }
-}
-
-char *stype[] = {
- "type",
- "",
- 0
-};
-
-/*
- * Set binary transfer type.
- */
-/*VARARGS*/
-void setbinary()
-{
- stype[1] = "binary";
- settype(2, stype);
-}
-
-/*
- * Set ascii transfer type.
- */
-/*VARARGS*/
-void setascii()
-{
- stype[1] = "ascii";
- settype(2, stype);
-}
-
-/*
- * Set tenex transfer type.
- */
-/*VARARGS*/
-void settenex()
-{
- stype[1] = "tenex";
- settype(2, stype);
-}
-
-/*
- * Set ebcdic transfer type.
- */
-/*VARARGS*/
-void setebcdic()
-{
- stype[1] = "ebcdic";
- settype(2, stype);
-}
-
-/*
- * Set file transfer mode.
- */
-#if 0
-/*ARGSUSED*/
-void setmode(argc, argv)
- char *argv[];
-{
-
- printf("We only support %s mode, sorry.\n", modename);
- (void) fflush(stdout);
- code = -1;
-}
-#endif
-
-/*
- * Set file transfer format.
- */
-/*ARGSUSED*/
-void setform(argc, argv)
- char *argv[];
-{
-
- printf("We only support %s format, sorry.\n", formname);
- (void) fflush(stdout);
- code = -1;
-}
-
-/*
- * Set file transfer structure.
- */
-/*ARGSUSED*/
-void setstruct(argc, argv)
- char *argv[];
-{
-
- printf("We only support %s structure, sorry.\n", structname);
- (void) fflush(stdout);
- code = -1;
-}
-
-/*
- * Send a single file.
- */
-void put(argc, argv)
- int argc;
- char *argv[];
-{
- char *cmd;
- int loc = 0;
- char *oldargv1, *oldargv2;
-
- if (argc == 2) {
- argc++;
- argv[2] = argv[1];
- loc++;
- }
- if (argc < 2) {
- (void) strcat(line, " ");
- printf("(local-file) ");
- (void) fflush(stdout);
- (void) gets(&line[strlen(line)]);
- makeargv();
- argc = margc;
- argv = margv;
- }
- if (argc < 2) {
-usage:
- printf("usage:%s local-file remote-file\n", argv[0]);
- (void) fflush(stdout);
- code = -1;
- return;
- }
- if (argc < 3) {
- (void) strcat(line, " ");
- printf("(remote-file) ");
- (void) fflush(stdout);
- (void) gets(&line[strlen(line)]);
- makeargv();
- argc = margc;
- argv = margv;
- }
- if (argc < 3)
- goto usage;
- oldargv1 = argv[1];
- oldargv2 = argv[2];
- if (!globulize(&argv[1])) {
- code = -1;
- return;
- }
- /*
- * If "globulize" modifies argv[1], and argv[2] is a copy of
- * the old argv[1], make it a copy of the new argv[1].
- */
- if (argv[1] != oldargv1 && argv[2] == oldargv1) {
- argv[2] = argv[1];
- }
- cmd = (argv[0][0] == 'a') ? "APPE" : ((sunique) ? "STOU" : "STOR");
- if (loc && ntflag) {
- argv[2] = dotrans(argv[2]);
- }
- if (loc && mapflag) {
- argv[2] = domap(argv[2]);
- }
- sendrequest(cmd, argv[1], argv[2],
- argv[1] != oldargv1 || argv[2] != oldargv2);
-}
-
-/*
- * Send multiple files.
- */
-void mput(argc, argv)
- char *argv[];
-{
- register int i;
- int ointer;
- void mabort();
- extern jmp_buf jabort;
- char *tp;
-
- if (argc < 2) {
- (void) strcat(line, " ");
- printf("(local-files) ");
- (void) fflush(stdout);
- (void) gets(&line[strlen(line)]);
- makeargv();
- argc = margc;
- argv = margv;
- }
- if (argc < 2) {
- printf("usage:%s local-files\n", argv[0]);
- (void) fflush(stdout);
- code = -1;
- return;
- }
- mname = argv[0];
- mflag = 1;
-// oldintr = signal(SIGINT, mabort);
- (void) setjmp(jabort);
- if (proxy) {
- char *cp, *tp2, tmpbuf[MAXPATHLEN];
-
- while ((cp = remglob(argv,0)) != NULL) {
- if (*cp == 0) {
- mflag = 0;
- continue;
- }
- if (mflag && confirm(argv[0], cp)) {
- tp = cp;
- if (mcase) {
- while (*tp && !islower(*tp)) {
- tp++;
- }
- if (!*tp) {
- tp = cp;
- tp2 = tmpbuf;
- while ((*tp2 = *tp) != (int) NULL) {
- if (isupper(*tp2)) {
- *tp2 = 'a' + *tp2 - 'A';
- }
- tp++;
- tp2++;
- }
- }
- tp = tmpbuf;
- }
- if (ntflag) {
- tp = dotrans(tp);
- }
- if (mapflag) {
- tp = domap(tp);
- }
- sendrequest((sunique) ? "STOU" : "STOR",
- cp, tp, cp != tp || !interactive);
- if (!mflag && fromatty) {
- ointer = interactive;
- interactive = 1;
- if (confirm("Continue with","mput")) {
- mflag++;
- }
- interactive = ointer;
- }
- }
- }
-// (void) signal(SIGINT, oldintr);
- mflag = 0;
- return;
- }
- for (i = 1; i < argc; i++) {
- register char **cpp, **gargs;
-
- if (!doglob) {
- if (mflag && confirm(argv[0], argv[i])) {
- tp = (ntflag) ? dotrans(argv[i]) : argv[i];
- tp = (mapflag) ? domap(tp) : tp;
- sendrequest((sunique) ? "STOU" : "STOR",
- argv[i], tp, tp != argv[i] || !interactive);
- if (!mflag && fromatty) {
- ointer = interactive;
- interactive = 1;
- if (confirm("Continue with","mput")) {
- mflag++;
- }
- interactive = ointer;
- }
- }
- continue;
- }
- gargs = glob(argv[i]);
- if (globerr != NULL) {
- printf("%s\n", globerr);
- (void) fflush(stdout);
- if (gargs) {
- blkfree(gargs);
- free((char *)gargs);
- }
- continue;
- }
- for (cpp = gargs; cpp && *cpp != NULL; cpp++) {
- if (mflag && confirm(argv[0], *cpp)) {
- tp = (ntflag) ? dotrans(*cpp) : *cpp;
- tp = (mapflag) ? domap(tp) : tp;
- sendrequest((sunique) ? "STOU" : "STOR",
- *cpp, tp, *cpp != tp || !interactive);
- if (!mflag && fromatty) {
- ointer = interactive;
- interactive = 1;
- if (confirm("Continue with","mput")) {
- mflag++;
- }
- interactive = ointer;
- }
- }
- }
- if (gargs != NULL) {
- blkfree(gargs);
- free((char *)gargs);
- }
- }
-// (void) signal(SIGINT, oldintr);
- mflag = 0;
-}
-
-void reget(argc, argv)
- char *argv[];
-{
- (void) getit(argc, argv, 1, "r+w");
-}
-
-void get(argc, argv)
- char *argv[];
-{
- (void) getit(argc, argv, 0, restart_point ? "r+w" : "w" );
-}
-
-/*
- * Receive one file.
- */
-int getit(argc, argv, restartit, mode)
- char *argv[];
- char *mode;
-{
- int loc = 0;
- char *oldargv1, *oldargv2;
-
- if (argc == 2) {
- argc++;
- argv[2] = argv[1];
- loc++;
- }
- if (argc < 2) {
- (void) strcat(line, " ");
- printf("(remote-file) ");
- (void) fflush(stdout);
- (void) gets(&line[strlen(line)]);
- makeargv();
- argc = margc;
- argv = margv;
- }
- if (argc < 2) {
-usage:
- printf("usage: %s remote-file [ local-file ]\n", argv[0]);
- (void) fflush(stdout);
- code = -1;
- return (0);
- }
- if (argc < 3) {
- (void) strcat(line, " ");
- printf("(local-file) ");
- (void) fflush(stdout);
- (void) gets(&line[strlen(line)]);
- makeargv();
- argc = margc;
- argv = margv;
- }
- if (argc < 3)
- goto usage;
- oldargv1 = argv[1];
- oldargv2 = argv[2];
- if (!globulize(&argv[2])) {
- code = -1;
- return (0);
- }
- if (loc && mcase) {
- char *tp = argv[1], *tp2, tmpbuf[MAXPATHLEN];
-
- while (*tp && !islower(*tp)) {
- tp++;
- }
- if (!*tp) {
- tp = argv[2];
- tp2 = tmpbuf;
- while ((*tp2 = *tp) != (int) NULL) {
- if (isupper(*tp2)) {
- *tp2 = 'a' + *tp2 - 'A';
- }
- tp++;
- tp2++;
- }
- argv[2] = tmpbuf;
- }
- }
- if (loc && ntflag)
- argv[2] = dotrans(argv[2]);
- if (loc && mapflag)
- argv[2] = domap(argv[2]);
- if (restartit) {
- struct stat stbuf;
- int ret;
-
- ret = stat(argv[2], &stbuf);
- if (restartit == 1) {
- if (ret < 0) {
- perror(argv[2]);
- return (0);
- }
- restart_point = stbuf.st_size;
- } else {
- if (ret == 0) {
- int overbose;
-
- overbose = verbose;
- if (debug == 0)
- verbose = -1;
- if (command("MDTM %s", argv[1]) == COMPLETE) {
- int yy, mo, day, hour, min, sec;
- struct tm *tm;
- verbose = overbose;
- sscanf(reply_string,
- "%*s %04d%02d%02d%02d%02d%02d",
- &yy, &mo, &day, &hour, &min, &sec);
- tm = gmtime(&stbuf.st_mtime);
- tm->tm_mon++;
- if (tm->tm_year > yy%100)
- return (1);
- else if (tm->tm_year == yy%100) {
- if (tm->tm_mon > mo)
- return (1);
- } else if (tm->tm_mon == mo) {
- if (tm->tm_mday > day)
- return (1);
- } else if (tm->tm_mday == day) {
- if (tm->tm_hour > hour)
- return (1);
- } else if (tm->tm_hour == hour) {
- if (tm->tm_min > min)
- return (1);
- } else if (tm->tm_min == min) {
- if (tm->tm_sec > sec)
- return (1);
- }
- } else {
- printf("%s\n", reply_string);
- (void) fflush(stdout);
- verbose = overbose;
- return (0);
- }
- }
- }
- }
-
- recvrequest("RETR", argv[2], argv[1], mode,
- argv[1] != oldargv1 || argv[2] != oldargv2);
- restart_point = 0;
- return (0);
-}
-
-void
-mabort()
-{
- int ointer;
- extern jmp_buf jabort;
-
- printf("\n");
- (void) fflush(stdout);
- if (mflag && fromatty) {
- ointer = interactive;
- interactive = 1;
- if (confirm("Continue with", mname)) {
- interactive = ointer;
- longjmp(jabort,0);
- }
- interactive = ointer;
- }
- mflag = 0;
- longjmp(jabort,0);
-}
-
-/*
- * Get multiple files.
- */
-void mget(argc, argv)
- char *argv[];
-{
- char *cp, *tp, *tp2, tmpbuf[MAXPATHLEN];
- int ointer;
- void mabort();
- extern jmp_buf jabort;
-
- if (argc < 2) {
- (void) strcat(line, " ");
- printf("(remote-files) ");
- (void) fflush(stdout);
- (void) gets(&line[strlen(line)]);
- makeargv();
- argc = margc;
- argv = margv;
- }
- if (argc < 2) {
- printf("usage:%s remote-files\n", argv[0]);
- (void) fflush(stdout);
- code = -1;
- return;
- }
- mname = argv[0];
- mflag = 1;
-// oldintr = signal(SIGINT,mabort);
- (void) setjmp(jabort);
- while ((cp = remglob(argv,proxy)) != NULL) {
- if (*cp == '\0') {
- mflag = 0;
- continue;
- }
- if (mflag && confirm(argv[0], cp)) {
- tp = cp;
- if (mcase) {
- while (*tp && !islower(*tp)) {
- tp++;
- }
- if (!*tp) {
- tp = cp;
- tp2 = tmpbuf;
- while ((*tp2 = *tp) != (int) NULL) {
- if (isupper(*tp2)) {
- *tp2 = 'a' + *tp2 - 'A';
- }
- tp++;
- tp2++;
- }
- }
- tp = tmpbuf;
- }
- if (ntflag) {
- tp = dotrans(tp);
- }
- if (mapflag) {
- tp = domap(tp);
- }
- recvrequest("RETR", tp, cp, "w",
- tp != cp || !interactive);
- if (!mflag && fromatty) {
- ointer = interactive;
- interactive = 1;
- if (confirm("Continue with","mget")) {
- mflag++;
- }
- interactive = ointer;
- }
- }
- }
-// (void) signal(SIGINT,oldintr);
- mflag = 0;
-}
-
-char *
-remglob(argv,doswitch)
- char *argv[];
- int doswitch;
-{
- char temp[16];
- static char buf[MAXPATHLEN];
- static FILE *ftemp = NULL;
- static char **args;
- int oldverbose, oldhash;
- char *cp, *mode;
-
- if (!mflag) {
- if (!doglob) {
- args = NULL;
- }
- else {
- if (ftemp) {
- (void) fclose(ftemp);
- ftemp = NULL;
- }
- }
- return(NULL);
- }
- if (!doglob) {
- if (args == NULL)
- args = argv;
- if ((cp = *++args) == NULL)
- args = NULL;
- return (cp);
- }
- if (ftemp == NULL) {
- (void) strcpy(temp, _PATH_TMP);
- (void) mktemp(temp);
- oldverbose = verbose, verbose = 0;
- oldhash = hash, hash = 0;
- if (doswitch) {
- pswitch(!proxy);
- }
- for (mode = "w"; *++argv != NULL; mode = "a")
- recvrequest ("NLST", temp, *argv, mode, 0);
- if (doswitch) {
- pswitch(!proxy);
- }
- verbose = oldverbose; hash = oldhash;
- ftemp = fopen(temp, "r");
- (void) unlink(temp);
- if (ftemp == NULL) {
- printf("can't find list of remote files, oops\n");
- (void) fflush(stdout);
- return (NULL);
- }
- }
- if (fgets(buf, sizeof (buf), ftemp) == NULL) {
- (void) fclose(ftemp), ftemp = NULL;
- return (NULL);
- }
- if ((cp = index(buf, '\n')) != NULL)
- *cp = '\0';
- return (buf);
-}
-
-char *
-onoff(bool)
- int bool;
-{
-
- return (bool ? "on" : "off");
-}
-
-/*
- * Show status.
- */
-/*ARGSUSED*/
-void status(argc, argv)
- char *argv[];
-{
- int i;
-
- if (connected)
- printf("Connected to %s.\n", hostname);
- else
- printf("Not connected.\n");
- if (!proxy) {
- pswitch(1);
- if (connected) {
- printf("Connected for proxy commands to %s.\n", hostname);
- }
- else {
- printf("No proxy connection.\n");
- }
- pswitch(0);
- }
- printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n",
- modename, typename, formname, structname);
- printf("Verbose: %s; Bell: %s; Prompting: %s; Globbing: %s\n",
- onoff(verbose), onoff(bell), onoff(interactive),
- onoff(doglob));
- printf("Store unique: %s; Receive unique: %s\n", onoff(sunique),
- onoff(runique));
- printf("Case: %s; CR stripping: %s\n",onoff(mcase),onoff(crflag));
- if (ntflag) {
- printf("Ntrans: (in) %s (out) %s\n", ntin,ntout);
- }
- else {
- printf("Ntrans: off\n");
- }
- if (mapflag) {
- printf("Nmap: (in) %s (out) %s\n", mapin, mapout);
- }
- else {
- printf("Nmap: off\n");
- }
- printf("Hash mark printing: %s; Use of PORT cmds: %s\n",
- onoff(hash), onoff(sendport));
- if (macnum > 0) {
- printf("Macros:\n");
- for (i=0; i<macnum; i++) {
- printf("\t%s\n",macros[i].mac_name);
- }
- }
- (void) fflush(stdout);
- code = 0;
-}
-
-/*
- * Set beep on cmd completed mode.
- */
-/*VARARGS*/
-void setbell()
-{
-
- bell = !bell;
- printf("Bell mode %s.\n", onoff(bell));
- (void) fflush(stdout);
- code = bell;
-}
-
-/*
- * Turn on packet tracing.
- */
-/*VARARGS*/
-void settrace()
-{
-
- trace = !trace;
- printf("Packet tracing %s.\n", onoff(trace));
- (void) fflush(stdout);
- code = trace;
-}
-
-/*
- * Toggle hash mark printing during transfers.
- */
-/*VARARGS*/
-void sethash()
-{
-
- hash = !hash;
- printf("Hash mark printing %s", onoff(hash));
- code = hash;
- if (hash)
- printf(" (%d bytes/hash mark)", 1024);
- printf(".\n");
- (void) fflush(stdout);
-}
-
-/*
- * Turn on printing of server echo's.
- */
-/*VARARGS*/
-void setverbose()
-{
-
- verbose = !verbose;
- printf("Verbose mode %s.\n", onoff(verbose));
- (void) fflush(stdout);
- code = verbose;
-}
-
-/*
- * Toggle PORT cmd use before each data connection.
- */
-/*VARARGS*/
-void setport()
-{
-
- sendport = !sendport;
- printf("Use of PORT cmds %s.\n", onoff(sendport));
- (void) fflush(stdout);
- code = sendport;
-}
-
-/*
- * Turn on interactive prompting
- * during mget, mput, and mdelete.
- */
-/*VARARGS*/
-void setprompt()
-{
-
- interactive = !interactive;
- printf("Interactive mode %s.\n", onoff(interactive));
- (void) fflush(stdout);
- code = interactive;
-}
-
-/*
- * Toggle metacharacter interpretation
- * on local file names.
- */
-/*VARARGS*/
-void setglob()
-{
-
- doglob = !doglob;
- printf("Globbing %s.\n", onoff(doglob));
- (void) fflush(stdout);
- code = doglob;
-}
-
-/*
- * Set debugging mode on/off and/or
- * set level of debugging.
- */
-/*VARARGS*/
-void setdebug(argc, argv)
- char *argv[];
-{
- int val;
-
- if (argc > 1) {
- val = atoi(argv[1]);
- if (val < 0) {
- printf("%s: bad debugging value.\n", argv[1]);
- (void) fflush(stdout);
- code = -1;
- return;
- }
- } else
- val = !debug;
- debug = val;
- if (debug)
- options |= SO_DEBUG;
- else
- options &= ~SO_DEBUG;
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