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ftpd.c (17433) ftpd.c (17435)
1/*
2 * Copyright (c) 1985, 1988, 1990, 1992, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 16 unchanged lines hidden (view full) ---

25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
1/*
2 * Copyright (c) 1985, 1988, 1990, 1992, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $Id: ftpd.c,v 1.17 1996/05/31 03:10:25 peter Exp $
33 * $Id: ftpd.c,v 1.18 1996/08/04 22:40:35 pst Exp $
34 */
35
36#ifndef lint
37static char copyright[] =
38"@(#) Copyright (c) 1985, 1988, 1990, 1992, 1993, 1994\n\
39 The Regents of the University of California. All rights reserved.\n";
40#endif /* not lint */
41

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112jmp_buf errcatch, urgcatch;
113int logged_in;
114struct passwd *pw;
115int debug;
116int timeout = 900; /* timeout after 15 minutes of inactivity */
117int maxtimeout = 7200;/* don't allow idle time to be set beyond 2 hours */
118int logging;
119int restricted_data_ports = 1;
34 */
35
36#ifndef lint
37static char copyright[] =
38"@(#) Copyright (c) 1985, 1988, 1990, 1992, 1993, 1994\n\
39 The Regents of the University of California. All rights reserved.\n";
40#endif /* not lint */
41

--- 70 unchanged lines hidden (view full) ---

112jmp_buf errcatch, urgcatch;
113int logged_in;
114struct passwd *pw;
115int debug;
116int timeout = 900; /* timeout after 15 minutes of inactivity */
117int maxtimeout = 7200;/* don't allow idle time to be set beyond 2 hours */
118int logging;
119int restricted_data_ports = 1;
120int paranoid = 1; /* be extra careful about security */
120int guest;
121int guest;
121#ifdef STATS
122int dochroot;
122int stats;
123int statfd = -1;
123int stats;
124int statfd = -1;
124#endif
125int type;
126int form;
127int stru; /* avoid C keyword */
128int mode;
129int usedefault = 1; /* for data transfers */
130int pdata = -1; /* for passive mode */
131sig_atomic_t transflag;
132off_t file_size;
133off_t byte_count;
134#if !defined(CMASK) || CMASK == 0
135#undef CMASK
136#define CMASK 027
137#endif
138int defumask = CMASK; /* default umask value */
139char tmpline[7];
140char hostname[MAXHOSTNAMELEN];
141char remotehost[MAXHOSTNAMELEN];
125int type;
126int form;
127int stru; /* avoid C keyword */
128int mode;
129int usedefault = 1; /* for data transfers */
130int pdata = -1; /* for passive mode */
131sig_atomic_t transflag;
132off_t file_size;
133off_t byte_count;
134#if !defined(CMASK) || CMASK == 0
135#undef CMASK
136#define CMASK 027
137#endif
138int defumask = CMASK; /* default umask value */
139char tmpline[7];
140char hostname[MAXHOSTNAMELEN];
141char remotehost[MAXHOSTNAMELEN];
142#ifdef STATS
143char *ident = NULL;
142char *ident = NULL;
143
144static char ttyline[20];
145char *tty = ttyline; /* for klogin */
146
147#if defined(KERBEROS)
148int notickets = 1;
149char *krbtkfile_env = NULL;
144#endif
145
146/*
147 * Timeout intervals for retrying connections
148 * to hosts that don't accept PORT cmds. This
149 * is a kludge, but given the problems with TCP...
150 */
151#define SWAITMAX 90 /* wait at most 90 seconds */

--- 31 unchanged lines hidden (view full) ---

183 *(file) == '/' ? "" : curdir(), file); \
184 else \
185 syslog(LOG_INFO, "%s %s%s = %qd bytes", \
186 cmd, (*(file) == '/') ? "" : curdir(), file, cnt); \
187 }
188
189static void ack __P((char *));
190static void myoob __P((int));
150#endif
151
152/*
153 * Timeout intervals for retrying connections
154 * to hosts that don't accept PORT cmds. This
155 * is a kludge, but given the problems with TCP...
156 */
157#define SWAITMAX 90 /* wait at most 90 seconds */

--- 31 unchanged lines hidden (view full) ---

189 *(file) == '/' ? "" : curdir(), file); \
190 else \
191 syslog(LOG_INFO, "%s %s%s = %qd bytes", \
192 cmd, (*(file) == '/') ? "" : curdir(), file, cnt); \
193 }
194
195static void ack __P((char *));
196static void myoob __P((int));
191static int checkuser __P((char *));
197static int checkuser __P((char *, char *));
192static FILE *dataconn __P((char *, off_t, char *));
193static void dolog __P((struct sockaddr_in *));
194static char *curdir __P((void));
195static void end_login __P((void));
196static FILE *getdatasock __P((char *));
197static char *gunique __P((char *));
198static void lostconn __P((int));
199static int receive_data __P((FILE *, FILE *));
200static void send_data __P((FILE *, FILE *, off_t, off_t, int));
201static struct passwd *
202 sgetpwnam __P((char *));
203static char *sgetsave __P((char *));
204static void reapchild __P((int));
198static FILE *dataconn __P((char *, off_t, char *));
199static void dolog __P((struct sockaddr_in *));
200static char *curdir __P((void));
201static void end_login __P((void));
202static FILE *getdatasock __P((char *));
203static char *gunique __P((char *));
204static void lostconn __P((int));
205static int receive_data __P((FILE *, FILE *));
206static void send_data __P((FILE *, FILE *, off_t, off_t, int));
207static struct passwd *
208 sgetpwnam __P((char *));
209static char *sgetsave __P((char *));
210static void reapchild __P((int));
205#ifdef STATS
206static void logxfer __P((char *, long, long));
211static void logxfer __P((char *, long, long));
207#endif
208
209static char *
210curdir()
211{
212 static char path[MAXPATHLEN+1+1]; /* path + '/' + '\0' */
213
214 if (getcwd(path, sizeof(path)-2) == NULL)
215 return ("");

--- 21 unchanged lines hidden (view full) ---

237 */
238 Argv = argv;
239 while (*envp)
240 envp++;
241 LastArgv = envp[-1] + strlen(envp[-1]);
242#endif /* OLD_SETPROCTITLE */
243
244
212
213static char *
214curdir()
215{
216 static char path[MAXPATHLEN+1+1]; /* path + '/' + '\0' */
217
218 if (getcwd(path, sizeof(path)-2) == NULL)
219 return ("");

--- 21 unchanged lines hidden (view full) ---

241 */
242 Argv = argv;
243 while (*envp)
244 envp++;
245 LastArgv = envp[-1] + strlen(envp[-1]);
246#endif /* OLD_SETPROCTITLE */
247
248
245#ifdef STATS
246 while ((ch = getopt(argc, argv, "dlDSt:T:u:v")) != EOF) {
247#else
248 while ((ch = getopt(argc, argv, "dlDUt:T:u:v")) != EOF) {
249#endif
249 while ((ch = getopt(argc, argv, "dlDSUt:T:u:v")) != EOF) {
250 switch (ch) {
251 case 'D':
252 daemon_mode++;
253 break;
254
255 case 'd':
250 switch (ch) {
251 case 'D':
252 daemon_mode++;
253 break;
254
255 case 'd':
256 debug = 1;
256 debug++;
257 break;
258
259 case 'l':
260 logging++; /* > 1 == extra logging */
261 break;
262
257 break;
258
259 case 'l':
260 logging++; /* > 1 == extra logging */
261 break;
262
263 case 'U':
264 restricted_data_ports = 0;
263 case 'R':
264 paranoid = 0;
265 break;
266
265 break;
266
267 case 't':
268 timeout = atoi(optarg);
269 if (maxtimeout < timeout)
270 maxtimeout = timeout;
271 break;
272#ifdef STATS
273 case 'S':
267 case 'S':
274 stats = 1;
268 stats++;
275 break;
269 break;
276#endif
270
277 case 'T':
278 maxtimeout = atoi(optarg);
279 if (timeout > maxtimeout)
280 timeout = maxtimeout;
281 break;
282
271 case 'T':
272 maxtimeout = atoi(optarg);
273 if (timeout > maxtimeout)
274 timeout = maxtimeout;
275 break;
276
277 case 't':
278 timeout = atoi(optarg);
279 if (maxtimeout < timeout)
280 maxtimeout = timeout;
281 break;
282
283 case 'U':
284 restricted_data_ports = 0;
285 break;
286
283 case 'u':
284 {
285 long val = 0;
286
287 val = strtol(optarg, &optarg, 8);
288 if (*optarg != '\0' || val < 0)
289 warnx("bad value for -u");
290 else

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392 }
393#ifdef IP_TOS
394 tos = IPTOS_LOWDELAY;
395 if (setsockopt(0, IPPROTO_IP, IP_TOS, (char *)&tos, sizeof(int)) < 0)
396 syslog(LOG_WARNING, "setsockopt (IP_TOS): %m");
397#endif
398 data_source.sin_port = htons(ntohs(ctrl_addr.sin_port) - 1);
399
287 case 'u':
288 {
289 long val = 0;
290
291 val = strtol(optarg, &optarg, 8);
292 if (*optarg != '\0' || val < 0)
293 warnx("bad value for -u");
294 else

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396 }
397#ifdef IP_TOS
398 tos = IPTOS_LOWDELAY;
399 if (setsockopt(0, IPPROTO_IP, IP_TOS, (char *)&tos, sizeof(int)) < 0)
400 syslog(LOG_WARNING, "setsockopt (IP_TOS): %m");
401#endif
402 data_source.sin_port = htons(ntohs(ctrl_addr.sin_port) - 1);
403
404 /* set this here so klogin can use it... */
405 (void)sprintf(ttyline, "ftp%d", getpid());
406
400 /* Try to handle urgent data inline */
401#ifdef SO_OOBINLINE
402 if (setsockopt(0, SOL_SOCKET, SO_OOBINLINE, (char *)&on, sizeof(on)) < 0)
403 syslog(LOG_ERR, "setsockopt: %m");
404#endif
405
406#ifdef F_SETOWN
407 if (fcntl(fileno(stdin), F_SETOWN, getpid()) == -1)

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453 int signo;
454{
455
456 if (debug)
457 syslog(LOG_DEBUG, "lost connection");
458 dologout(-1);
459}
460
407 /* Try to handle urgent data inline */
408#ifdef SO_OOBINLINE
409 if (setsockopt(0, SOL_SOCKET, SO_OOBINLINE, (char *)&on, sizeof(on)) < 0)
410 syslog(LOG_ERR, "setsockopt: %m");
411#endif
412
413#ifdef F_SETOWN
414 if (fcntl(fileno(stdin), F_SETOWN, getpid()) == -1)

--- 45 unchanged lines hidden (view full) ---

460 int signo;
461{
462
463 if (debug)
464 syslog(LOG_DEBUG, "lost connection");
465 dologout(-1);
466}
467
461static char ttyline[20];
462
463/*
464 * Helper function for sgetpwnam().
465 */
466static char *
467sgetsave(s)
468 char *s;
469{
470 char *new = malloc((unsigned) strlen(s) + 1);

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528 char *name;
529{
530 char *cp, *shell;
531
532 if (logged_in) {
533 if (guest) {
534 reply(530, "Can't change user from guest login.");
535 return;
468/*
469 * Helper function for sgetpwnam().
470 */
471static char *
472sgetsave(s)
473 char *s;
474{
475 char *new = malloc((unsigned) strlen(s) + 1);

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533 char *name;
534{
535 char *cp, *shell;
536
537 if (logged_in) {
538 if (guest) {
539 reply(530, "Can't change user from guest login.");
540 return;
541 } else if (dochroot) {
542 reply(530, "Can't change user from chroot user.");
543 return;
536 }
537 end_login();
538 }
539
540 guest = 0;
541 if (strcmp(name, "ftp") == 0 || strcmp(name, "anonymous") == 0) {
544 }
545 end_login();
546 }
547
548 guest = 0;
549 if (strcmp(name, "ftp") == 0 || strcmp(name, "anonymous") == 0) {
542 if (checkuser("ftp") || checkuser("anonymous"))
550 if (checkuser(_PATH_FTPUSERS, "ftp") ||
551 checkuser(_PATH_FTPUSERS, "anonymous"))
543 reply(530, "User %s access denied.", name);
544 else if ((pw = sgetpwnam("ftp")) != NULL) {
545 guest = 1;
546 askpasswd = 1;
547 reply(331,
548 "Guest login ok, send your email address as password.");
549 } else
550 reply(530, "User %s unknown.", name);

--- 5 unchanged lines hidden (view full) ---

556 if (pw = sgetpwnam(name)) {
557 if ((shell = pw->pw_shell) == NULL || *shell == 0)
558 shell = _PATH_BSHELL;
559 while ((cp = getusershell()) != NULL)
560 if (strcmp(cp, shell) == 0)
561 break;
562 endusershell();
563
552 reply(530, "User %s access denied.", name);
553 else if ((pw = sgetpwnam("ftp")) != NULL) {
554 guest = 1;
555 askpasswd = 1;
556 reply(331,
557 "Guest login ok, send your email address as password.");
558 } else
559 reply(530, "User %s unknown.", name);

--- 5 unchanged lines hidden (view full) ---

565 if (pw = sgetpwnam(name)) {
566 if ((shell = pw->pw_shell) == NULL || *shell == 0)
567 shell = _PATH_BSHELL;
568 while ((cp = getusershell()) != NULL)
569 if (strcmp(cp, shell) == 0)
570 break;
571 endusershell();
572
564 if (cp == NULL || checkuser(name)) {
573 if (cp == NULL || checkuser(_PATH_FTPUSERS, name)) {
565 reply(530, "User %s access denied.", name);
566 if (logging)
567 syslog(LOG_NOTICE,
568 "FTP LOGIN REFUSED FROM %s, %s",
569 remotehost, name);
570 pw = (struct passwd *) NULL;
571 return;
572 }

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584 * Delay before reading passwd after first failed
585 * attempt to slow down passwd-guessing programs.
586 */
587 if (login_attempts)
588 sleep((unsigned) login_attempts);
589}
590
591/*
574 reply(530, "User %s access denied.", name);
575 if (logging)
576 syslog(LOG_NOTICE,
577 "FTP LOGIN REFUSED FROM %s, %s",
578 remotehost, name);
579 pw = (struct passwd *) NULL;
580 return;
581 }

--- 11 unchanged lines hidden (view full) ---

593 * Delay before reading passwd after first failed
594 * attempt to slow down passwd-guessing programs.
595 */
596 if (login_attempts)
597 sleep((unsigned) login_attempts);
598}
599
600/*
592 * Check if a user is in the file _PATH_FTPUSERS
601 * Check if a user is in the file "fname"
593 */
594static int
602 */
603static int
595checkuser(name)
604checkuser(fname, name)
605 char *fname;
596 char *name;
597{
598 FILE *fd;
599 int found = 0;
600 char *p, line[BUFSIZ];
601
606 char *name;
607{
608 FILE *fd;
609 int found = 0;
610 char *p, line[BUFSIZ];
611
602 if ((fd = fopen(_PATH_FTPUSERS, "r")) != NULL) {
612 if ((fd = fopen(fname, "r")) != NULL) {
603 while (fgets(line, sizeof(line), fd) != NULL)
604 if ((p = strchr(line, '\n')) != NULL) {
605 *p = '\0';
606 if (line[0] == '#')
607 continue;
608 if (strcmp(line, name) == 0) {
609 found = 1;
610 break;

--- 13 unchanged lines hidden (view full) ---

624{
625
626 (void) seteuid((uid_t)0);
627 if (logged_in)
628 logwtmp(ttyline, "", "");
629 pw = NULL;
630 logged_in = 0;
631 guest = 0;
613 while (fgets(line, sizeof(line), fd) != NULL)
614 if ((p = strchr(line, '\n')) != NULL) {
615 *p = '\0';
616 if (line[0] == '#')
617 continue;
618 if (strcmp(line, name) == 0) {
619 found = 1;
620 break;

--- 13 unchanged lines hidden (view full) ---

634{
635
636 (void) seteuid((uid_t)0);
637 if (logged_in)
638 logwtmp(ttyline, "", "");
639 pw = NULL;
640 logged_in = 0;
641 guest = 0;
642 dochroot = 0;
632}
633
634void
635pass(passwd)
636 char *passwd;
637{
643}
644
645void
646pass(passwd)
647 char *passwd;
648{
638 char *salt, *xpasswd;
649 int rval;
639 FILE *fd;
640 static char homedir[MAXPATHLEN];
641
642 if (logged_in || askpasswd == 0) {
643 reply(503, "Login with USER first.");
644 return;
645 }
646 askpasswd = 0;
647 if (!guest) { /* "ftp" is only account allowed no password */
650 FILE *fd;
651 static char homedir[MAXPATHLEN];
652
653 if (logged_in || askpasswd == 0) {
654 reply(503, "Login with USER first.");
655 return;
656 }
657 askpasswd = 0;
658 if (!guest) { /* "ftp" is only account allowed no password */
648 if (pw == NULL)
649 salt = "xx";
650 else
651 salt = pw->pw_passwd;
659 if (pw == NULL) {
660 rval = 1; /* failure below */
661 goto skip;
662 }
663#if defined(KERBEROS)
664 rval = klogin(pw, "", hostname, passwd);
665 if (rval == 0)
666 goto skip;
667#endif
652#ifdef SKEY
668#ifdef SKEY
653 xpasswd = skey_crypt(passwd, salt, pw, pwok);
669 rval = strcmp(skey_crypt(passwd, pw->pw_passwd, pw, pwok),
670 passwd);
654 pwok = 0;
655#else
671 pwok = 0;
672#else
656 xpasswd = crypt(passwd, salt);
673 rval = strcmp(crypt(passwd, pw->passwd), passwd);
657#endif
658 /* The strcmp does not catch null passwords! */
674#endif
675 /* The strcmp does not catch null passwords! */
659 if (pw == NULL || *pw->pw_passwd == '\0' ||
660 (pw->pw_expire && time(NULL) >= pw->pw_expire) ||
661 strcmp(xpasswd, pw->pw_passwd)) {
676 if (*pw->pw_passwd == '\0' ||
677 (pw->pw_expire && time(NULL) >= pw->pw_expire))
678 rval = 1; /* failure */
679skip:
680 /*
681 * If rval == 1, the user failed the authentication check
682 * above. If rval == 0, either Kerberos or local authentication
683 * succeeded.
684 */
685 if (rval) {
662 reply(530, "Login incorrect.");
663 if (logging)
664 syslog(LOG_NOTICE,
665 "FTP LOGIN FAILED FROM %s, %s",
666 remotehost, curname);
667 pw = NULL;
668 if (login_attempts++ >= 5) {
669 syslog(LOG_NOTICE,

--- 7 unchanged lines hidden (view full) ---

677 login_attempts = 0; /* this time successful */
678 if (setegid((gid_t)pw->pw_gid) < 0) {
679 reply(550, "Can't set gid.");
680 return;
681 }
682 (void) initgroups(pw->pw_name, pw->pw_gid);
683
684 /* open wtmp before chroot */
686 reply(530, "Login incorrect.");
687 if (logging)
688 syslog(LOG_NOTICE,
689 "FTP LOGIN FAILED FROM %s, %s",
690 remotehost, curname);
691 pw = NULL;
692 if (login_attempts++ >= 5) {
693 syslog(LOG_NOTICE,

--- 7 unchanged lines hidden (view full) ---

701 login_attempts = 0; /* this time successful */
702 if (setegid((gid_t)pw->pw_gid) < 0) {
703 reply(550, "Can't set gid.");
704 return;
705 }
706 (void) initgroups(pw->pw_name, pw->pw_gid);
707
708 /* open wtmp before chroot */
685 (void)sprintf(ttyline, "ftp%d", getpid());
686 logwtmp(ttyline, pw->pw_name, remotehost);
687 logged_in = 1;
688
709 logwtmp(ttyline, pw->pw_name, remotehost);
710 logged_in = 1;
711
689#ifdef STATS
690 if (guest && stats == 1 && statfd < 0)
712 if (guest && stats && statfd < 0)
691 if ((statfd = open(_PATH_FTPDSTATFILE, O_WRONLY|O_APPEND)) < 0)
692 stats = 0;
713 if ((statfd = open(_PATH_FTPDSTATFILE, O_WRONLY|O_APPEND)) < 0)
714 stats = 0;
693#endif
694
715
716 dochroot = checkuser(_PATH_FTPCHROOT, pw->pw_name);
695 if (guest) {
696 /*
697 * We MUST do a chdir() after the chroot. Otherwise
698 * the old current directory will be accessible as "."
699 * outside the new root!
700 */
701 if (chroot(pw->pw_dir) < 0 || chdir("/") < 0) {
702 reply(550, "Can't set guest privileges.");
703 goto bad;
704 }
717 if (guest) {
718 /*
719 * We MUST do a chdir() after the chroot. Otherwise
720 * the old current directory will be accessible as "."
721 * outside the new root!
722 */
723 if (chroot(pw->pw_dir) < 0 || chdir("/") < 0) {
724 reply(550, "Can't set guest privileges.");
725 goto bad;
726 }
727 } else if (dochroot) {
728 if (chroot(pw->pw_dir) < 0 || chdir("/") < 0) {
729 reply(550, "Can't change root.");
730 goto bad;
731 }
705 } else if (chdir(pw->pw_dir) < 0) {
706 if (chdir("/") < 0) {
707 reply(530, "User %s: can't change directory to %s.",
708 pw->pw_name, pw->pw_dir);
709 goto bad;
710 } else
711 lreply(230, "No directory! Logging in with home=/");
712 }

--- 19 unchanged lines hidden (view full) ---

732 if ((cp = strchr(line, '\n')) != NULL)
733 *cp = '\0';
734 lreply(230, "%s", line);
735 }
736 (void) fflush(stdout);
737 (void) fclose(fd);
738 }
739 if (guest) {
732 } else if (chdir(pw->pw_dir) < 0) {
733 if (chdir("/") < 0) {
734 reply(530, "User %s: can't change directory to %s.",
735 pw->pw_name, pw->pw_dir);
736 goto bad;
737 } else
738 lreply(230, "No directory! Logging in with home=/");
739 }

--- 19 unchanged lines hidden (view full) ---

759 if ((cp = strchr(line, '\n')) != NULL)
760 *cp = '\0';
761 lreply(230, "%s", line);
762 }
763 (void) fflush(stdout);
764 (void) fclose(fd);
765 }
766 if (guest) {
740#ifdef STATS
741 char * copy();
742
743 if (ident != NULL)
744 free(ident);
745 ident = strdup(passwd);
746 if (ident == NULL)
747 fatal("Ran out of memory.");
748
767 if (ident != NULL)
768 free(ident);
769 ident = strdup(passwd);
770 if (ident == NULL)
771 fatal("Ran out of memory.");
772
749#endif
750 reply(230, "Guest login ok, access restrictions apply.");
751#ifdef SETPROCTITLE
752 snprintf(proctitle, sizeof(proctitle),
753 "%s: anonymous/%.*s", remotehost,
754 sizeof(proctitle) - sizeof(remotehost) -
755 sizeof(": anonymous/"), passwd);
756 setproctitle("%s", proctitle);
757#endif /* SETPROCTITLE */

--- 20 unchanged lines hidden (view full) ---

778
779void
780retrieve(cmd, name)
781 char *cmd, *name;
782{
783 FILE *fin, *dout;
784 struct stat st;
785 int (*closefunc) __P((FILE *));
773 reply(230, "Guest login ok, access restrictions apply.");
774#ifdef SETPROCTITLE
775 snprintf(proctitle, sizeof(proctitle),
776 "%s: anonymous/%.*s", remotehost,
777 sizeof(proctitle) - sizeof(remotehost) -
778 sizeof(": anonymous/"), passwd);
779 setproctitle("%s", proctitle);
780#endif /* SETPROCTITLE */

--- 20 unchanged lines hidden (view full) ---

801
802void
803retrieve(cmd, name)
804 char *cmd, *name;
805{
806 FILE *fin, *dout;
807 struct stat st;
808 int (*closefunc) __P((FILE *));
786#ifdef STATS
787 long start;
809 long start;
788#endif
789
790 if (cmd == 0) {
791 fin = fopen(name, "r"), closefunc = fclose;
792 st.st_size = 0;
793 } else {
794 char line[BUFSIZ];
795
796 (void) sprintf(line, cmd, name), name = line;

--- 33 unchanged lines hidden (view full) ---

830 } else if (lseek(fileno(fin), restart_point, L_SET) < 0) {
831 perror_reply(550, name);
832 goto done;
833 }
834 }
835 dout = dataconn(name, st.st_size, "w");
836 if (dout == NULL)
837 goto done;
810
811 if (cmd == 0) {
812 fin = fopen(name, "r"), closefunc = fclose;
813 st.st_size = 0;
814 } else {
815 char line[BUFSIZ];
816
817 (void) sprintf(line, cmd, name), name = line;

--- 33 unchanged lines hidden (view full) ---

851 } else if (lseek(fileno(fin), restart_point, L_SET) < 0) {
852 perror_reply(550, name);
853 goto done;
854 }
855 }
856 dout = dataconn(name, st.st_size, "w");
857 if (dout == NULL)
858 goto done;
838#ifdef STATS
839 time(&start);
859 time(&start);
840#endif
841 send_data(fin, dout, st.st_blksize, st.st_size,
842 restart_point == 0 && cmd == 0 && S_ISREG(st.st_mode));
860 send_data(fin, dout, st.st_blksize, st.st_size,
861 restart_point == 0 && cmd == 0 && S_ISREG(st.st_mode));
843#ifdef STATS
844 if (cmd == 0 && guest && stats)
845 logxfer(name, st.st_size, start);
862 if (cmd == 0 && guest && stats)
863 logxfer(name, st.st_size, start);
846#endif
847 (void) fclose(dout);
848 data = -1;
849 pdata = -1;
850done:
851 if (cmd == 0)
852 LOGBYTES("get", name, byte_count);
853 (*closefunc)(fin);
854}

--- 81 unchanged lines hidden (view full) ---

936 (void) seteuid((uid_t)0);
937 s = socket(AF_INET, SOCK_STREAM, 0);
938 if (s < 0)
939 goto bad;
940 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
941 (char *) &on, sizeof(on)) < 0)
942 goto bad;
943 /* anchor socket to avoid multi-homing problems */
864 (void) fclose(dout);
865 data = -1;
866 pdata = -1;
867done:
868 if (cmd == 0)
869 LOGBYTES("get", name, byte_count);
870 (*closefunc)(fin);
871}

--- 81 unchanged lines hidden (view full) ---

953 (void) seteuid((uid_t)0);
954 s = socket(AF_INET, SOCK_STREAM, 0);
955 if (s < 0)
956 goto bad;
957 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
958 (char *) &on, sizeof(on)) < 0)
959 goto bad;
960 /* anchor socket to avoid multi-homing problems */
961 data_source.sin_len = sizeof(struct sockaddr_in);
944 data_source.sin_family = AF_INET;
945 data_source.sin_addr = ctrl_addr.sin_addr;
946 for (tries = 1; ; tries++) {
947 if (bind(s, (struct sockaddr *)&data_source,
948 sizeof(data_source)) >= 0)
949 break;
950 if (errno != EADDRINUSE || tries > 10)
951 goto bad;

--- 65 unchanged lines hidden (view full) ---

1017 reply(425, "Can't open data connection.");
1018 (void) close(pdata);
1019 pdata = -1;
1020 return (NULL);
1021 }
1022 (void) close(pdata);
1023 pdata = s;
1024#ifdef IP_TOS
962 data_source.sin_family = AF_INET;
963 data_source.sin_addr = ctrl_addr.sin_addr;
964 for (tries = 1; ; tries++) {
965 if (bind(s, (struct sockaddr *)&data_source,
966 sizeof(data_source)) >= 0)
967 break;
968 if (errno != EADDRINUSE || tries > 10)
969 goto bad;

--- 65 unchanged lines hidden (view full) ---

1035 reply(425, "Can't open data connection.");
1036 (void) close(pdata);
1037 pdata = -1;
1038 return (NULL);
1039 }
1040 (void) close(pdata);
1041 pdata = s;
1042#ifdef IP_TOS
1025 tos = IPTOS_LOWDELAY;
1043 tos = IPTOS_THROUGHPUT;
1026 (void) setsockopt(s, IPPROTO_IP, IP_TOS, (char *)&tos,
1027 sizeof(int));
1028#endif
1029 reply(150, "Opening %s mode data connection for '%s'%s.",
1030 type == TYPE_A ? "ASCII" : "BINARY", name, sizebuf);
1031 return (fdopen(pdata, mode));
1032 }
1033 if (data >= 0) {

--- 539 unchanged lines hidden (view full) ---

1573void
1574dologout(status)
1575 int status;
1576{
1577
1578 if (logged_in) {
1579 (void) seteuid((uid_t)0);
1580 logwtmp(ttyline, "", "");
1044 (void) setsockopt(s, IPPROTO_IP, IP_TOS, (char *)&tos,
1045 sizeof(int));
1046#endif
1047 reply(150, "Opening %s mode data connection for '%s'%s.",
1048 type == TYPE_A ? "ASCII" : "BINARY", name, sizebuf);
1049 return (fdopen(pdata, mode));
1050 }
1051 if (data >= 0) {

--- 539 unchanged lines hidden (view full) ---

1591void
1592dologout(status)
1593 int status;
1594{
1595
1596 if (logged_in) {
1597 (void) seteuid((uid_t)0);
1598 logwtmp(ttyline, "", "");
1599#if defined(KERBEROS)
1600 if (!notickets && krbtkfile_env)
1601 unlink(krbtkfile_env);
1602#endif
1581 }
1582 /* beware of flushing buffers after a SIGPIPE */
1583 _exit(status);
1584}
1585
1586static void
1587myoob(signo)
1588 int signo;

--- 312 unchanged lines hidden (view full) ---

1901 while (ch = *bp++)
1902 if (ch != '\n' && ch != '\r')
1903 *p++ = ch;
1904 while (p < LastArgv)
1905 *p++ = ' ';
1906}
1907#endif /* OLD_SETPROCTITLE */
1908
1603 }
1604 /* beware of flushing buffers after a SIGPIPE */
1605 _exit(status);
1606}
1607
1608static void
1609myoob(signo)
1610 int signo;

--- 312 unchanged lines hidden (view full) ---

1923 while (ch = *bp++)
1924 if (ch != '\n' && ch != '\r')
1925 *p++ = ch;
1926 while (p < LastArgv)
1927 *p++ = ' ';
1928}
1929#endif /* OLD_SETPROCTITLE */
1930
1909#ifdef STATS
1910static void
1911logxfer(name, size, start)
1912 char *name;
1913 long size;
1914 long start;
1915{
1916 char buf[1024];
1917 char path[MAXPATHLEN + 1];
1918 long now;
1919
1920 if (statfd >= 0 && getwd(path) != NULL) {
1921 time(&now);
1922 snprintf(buf, sizeof(buf), "%.20s!%s!%s!%s/%s!%ld!%ld\n",
1923 ctime(&now)+4, ident, remotehost,
1924 path, name, size, now - start + (now == start));
1925 write(statfd, buf, strlen(buf));
1926 }
1927}
1931static void
1932logxfer(name, size, start)
1933 char *name;
1934 long size;
1935 long start;
1936{
1937 char buf[1024];
1938 char path[MAXPATHLEN + 1];
1939 long now;
1940
1941 if (statfd >= 0 && getwd(path) != NULL) {
1942 time(&now);
1943 snprintf(buf, sizeof(buf), "%.20s!%s!%s!%s/%s!%ld!%ld\n",
1944 ctime(&now)+4, ident, remotehost,
1945 path, name, size, now - start + (now == start));
1946 write(statfd, buf, strlen(buf));
1947 }
1948}
1928#endif