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path: root/crypto/heimdal/appl/ftp/ftp/ftp.c
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Diffstat (limited to 'crypto/heimdal/appl/ftp/ftp/ftp.c')
-rw-r--r--crypto/heimdal/appl/ftp/ftp/ftp.c1746
1 files changed, 0 insertions, 1746 deletions
diff --git a/crypto/heimdal/appl/ftp/ftp/ftp.c b/crypto/heimdal/appl/ftp/ftp/ftp.c
deleted file mode 100644
index 2e7a9dd2b069..000000000000
--- a/crypto/heimdal/appl/ftp/ftp/ftp.c
+++ /dev/null
@@ -1,1746 +0,0 @@
-/*
- * Copyright (c) 1985, 1989, 1993, 1994
- * 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.
- */
-
-#include "ftp_locl.h"
-RCSID ("$Id: ftp.c,v 1.63 2000/01/08 07:43:47 assar Exp $");
-
-struct sockaddr_storage hisctladdr_ss;
-struct sockaddr *hisctladdr = (struct sockaddr *)&hisctladdr_ss;
-struct sockaddr_storage data_addr_ss;
-struct sockaddr *data_addr = (struct sockaddr *)&data_addr_ss;
-struct sockaddr_storage myctladdr_ss;
-struct sockaddr *myctladdr = (struct sockaddr *)&myctladdr_ss;
-int data = -1;
-int abrtflag = 0;
-jmp_buf ptabort;
-int ptabflg;
-int ptflag = 0;
-off_t restart_point = 0;
-
-
-FILE *cin, *cout;
-
-typedef void (*sighand) (int);
-
-char *
-hookup (const char *host, int port)
-{
- static char hostnamebuf[MaxHostNameLen];
- struct addrinfo *ai, *a;
- struct addrinfo hints;
- int error;
- char portstr[NI_MAXSERV];
- int len;
- int s;
-
- memset (&hints, 0, sizeof(hints));
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_protocol = IPPROTO_TCP;
- hints.ai_flags = AI_CANONNAME;
-
- snprintf (portstr, sizeof(portstr), "%u", ntohs(port));
-
- error = getaddrinfo (host, portstr, &hints, &ai);
- if (error) {
- warnx ("%s: %s", host, gai_strerror(error));
- code = -1;
- return NULL;
- }
- strlcpy (hostnamebuf, host, sizeof(hostnamebuf));
- hostname = hostnamebuf;
-
- for (a = ai; a != NULL; a = a->ai_next) {
- s = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
- if (s < 0)
- continue;
-
- if (a->ai_canonname != NULL)
- strlcpy (hostnamebuf, a->ai_canonname, sizeof(hostnamebuf));
-
- memcpy (hisctladdr, a->ai_addr, a->ai_addrlen);
-
- error = connect (s, a->ai_addr, a->ai_addrlen);
- if (error < 0) {
- char addrstr[256];
-
- if (getnameinfo (a->ai_addr, a->ai_addrlen,
- addrstr, sizeof(addrstr),
- NULL, 0, NI_NUMERICHOST) != 0)
- strlcpy (addrstr, "unknown address", sizeof(addrstr));
-
- warn ("connect %s", addrstr);
- close (s);
- continue;
- }
- break;
- }
- freeaddrinfo (ai);
- if (error < 0) {
- warnx ("failed to contact %s", host);
- code = -1;
- return NULL;
- }
-
- len = sizeof(myctladdr_ss);
- if (getsockname (s, myctladdr, &len) < 0) {
- warn ("getsockname");
- code = -1;
- close (s);
- return NULL;
- }
-#ifdef IPTOS_LOWDELAY
- socket_set_tos (s, IPTOS_LOWDELAY);
-#endif
- cin = fdopen (s, "r");
- cout = fdopen (s, "w");
- if (cin == NULL || cout == NULL) {
- warnx ("fdopen failed.");
- if (cin)
- fclose (cin);
- if (cout)
- fclose (cout);
- code = -1;
- goto bad;
- }
- if (verbose)
- printf ("Connected to %s.\n", hostname);
- if (getreply (0) > 2) { /* read startup message from server */
- if (cin)
- fclose (cin);
- if (cout)
- fclose (cout);
- code = -1;
- goto bad;
- }
-#if defined(SO_OOBINLINE) && defined(HAVE_SETSOCKOPT)
- {
- int on = 1;
-
- if (setsockopt (s, SOL_SOCKET, SO_OOBINLINE, (char *) &on, sizeof (on))
- < 0 && debug) {
- warn ("setsockopt");
- }
- }
-#endif /* SO_OOBINLINE */
-
- return (hostname);
-bad:
- close (s);
- return NULL;
-}
-
-int
-login (char *host)
-{
- char tmp[80];
- char defaultpass[128];
- char *user, *pass, *acct;
- int n, aflag = 0;
-
- char *myname = NULL;
- struct passwd *pw = k_getpwuid(getuid());
-
- if (pw != NULL)
- myname = pw->pw_name;
-
- user = pass = acct = 0;
-
- if(sec_login(host))
- printf("\n*** Using plaintext user and password ***\n\n");
- else{
- printf("Authentication successful.\n\n");
- }
-
- if (ruserpass (host, &user, &pass, &acct) < 0) {
- code = -1;
- return (0);
- }
- while (user == NULL) {
- if (myname)
- printf ("Name (%s:%s): ", host, myname);
- else
- printf ("Name (%s): ", host);
- fgets (tmp, sizeof (tmp) - 1, stdin);
- tmp[strlen (tmp) - 1] = '\0';
- if (*tmp == '\0')
- user = myname;
- else
- user = tmp;
- }
- strlcpy(username, user, sizeof(username));
- n = command("USER %s", user);
- if (n == CONTINUE) {
- if(sec_complete)
- pass = myname;
- else if (pass == NULL) {
- char prompt[128];
- if(myname &&
- (!strcmp(user, "ftp") || !strcmp(user, "anonymous"))){
- snprintf(defaultpass, sizeof(defaultpass),
- "%s@%s", myname, mydomain);
- snprintf(prompt, sizeof(prompt),
- "Password (%s): ", defaultpass);
- }else{
- *defaultpass = '\0';
- snprintf(prompt, sizeof(prompt), "Password: ");
- }
- pass = defaultpass;
- des_read_pw_string (tmp, sizeof (tmp), prompt, 0);
- if (tmp[0])
- pass = tmp;
- }
- n = command ("PASS %s", pass);
- }
- if (n == CONTINUE) {
- aflag++;
- acct = tmp;
- des_read_pw_string (acct, 128, "Account:", 0);
- n = command ("ACCT %s", acct);
- }
- if (n != COMPLETE) {
- warnx ("Login failed.");
- return (0);
- }
- if (!aflag && acct != NULL)
- command ("ACCT %s", acct);
- if (proxy)
- return (1);
- for (n = 0; n < macnum; ++n) {
- if (!strcmp("init", macros[n].mac_name)) {
- strlcpy (line, "$init", sizeof (line));
- makeargv();
- domacro(margc, margv);
- break;
- }
- }
- sec_set_protection_level ();
- return (1);
-}
-
-void
-cmdabort (int sig)
-{
-
- printf ("\n");
- fflush (stdout);
- abrtflag++;
- if (ptflag)
- longjmp (ptabort, 1);
-}
-
-int
-command (char *fmt,...)
-{
- va_list ap;
- int r;
- sighand oldintr;
-
- abrtflag = 0;
- if (cout == NULL) {
- warn ("No control connection for command");
- code = -1;
- return (0);
- }
- oldintr = signal(SIGINT, cmdabort);
- va_start(ap, fmt);
- if(debug){
- printf("---> ");
- if (strncmp("PASS ", fmt, 5) == 0)
- printf("PASS XXXX");
- else
- vfprintf(stdout, fmt, ap);
- va_start(ap, fmt);
- }
- sec_vfprintf(cout, fmt, ap);
- va_end(ap);
- if(debug){
- printf("\n");
- fflush(stdout);
- }
- fprintf (cout, "\r\n");
- fflush (cout);
- cpend = 1;
- r = getreply (!strcmp (fmt, "QUIT"));
- if (abrtflag && oldintr != SIG_IGN)
- (*oldintr) (SIGINT);
- signal (SIGINT, oldintr);
- return (r);
-}
-
-char reply_string[BUFSIZ]; /* last line of previous reply */
-
-int
-getreply (int expecteof)
-{
- char *p;
- char *lead_string;
- int c;
- struct sigaction sa, osa;
- char buf[1024];
-
- sigemptyset (&sa.sa_mask);
- sa.sa_flags = 0;
- sa.sa_handler = cmdabort;
- sigaction (SIGINT, &sa, &osa);
-
- p = buf;
-
- while (1) {
- c = getc (cin);
- switch (c) {
- case EOF:
- if (expecteof) {
- sigaction (SIGINT, &osa, NULL);
- code = 221;
- return 0;
- }
- lostpeer (0);
- if (verbose) {
- printf ("421 Service not available, "
- "remote server has closed connection\n");
- fflush (stdout);
- }
- code = 421;
- return (4);
- case IAC:
- c = getc (cin);
- if (c == WILL || c == WONT)
- fprintf (cout, "%c%c%c", IAC, DONT, getc (cin));
- if (c == DO || c == DONT)
- fprintf (cout, "%c%c%c", IAC, WONT, getc (cin));
- continue;
- case '\n':
- *p++ = '\0';
- if(isdigit(buf[0])){
- sscanf(buf, "%d", &code);
- if(code == 631){
- sec_read_msg(buf, prot_safe);
- sscanf(buf, "%d", &code);
- lead_string = "S:";
- } else if(code == 632){
- sec_read_msg(buf, prot_private);
- sscanf(buf, "%d", &code);
- lead_string = "P:";
- }else if(code == 633){
- sec_read_msg(buf, prot_confidential);
- sscanf(buf, "%d", &code);
- lead_string = "C:";
- }else if(sec_complete)
- lead_string = "!!";
- else
- lead_string = "";
- if (verbose > 0 || (verbose > -1 && code > 499))
- fprintf (stdout, "%s%s\n", lead_string, buf);
- if (buf[3] == ' ') {
- strcpy (reply_string, buf);
- if (code >= 200)
- cpend = 0;
- sigaction (SIGINT, &osa, NULL);
- if (code == 421)
- lostpeer (0);
-#if 1
- if (abrtflag &&
- osa.sa_handler != cmdabort &&
- osa.sa_handler != SIG_IGN)
- osa.sa_handler (SIGINT);
-#endif
- if (code == 227 || code == 229) {
- char *p, *q;
-
- pasv[0] = 0;
- p = strchr (reply_string, '(');
- if (p) {
- p++;
- q = strchr(p, ')');
- if(q){
- memcpy (pasv, p, q - p);
- pasv[q - p] = 0;
- }
- }
- }
- return code / 100;
- }
- }else{
- if(verbose > 0 || (verbose > -1 && code > 499)){
- if(sec_complete)
- fprintf(stdout, "!!");
- fprintf(stdout, "%s\n", buf);
- }
- }
- p = buf;
- continue;
- default:
- *p++ = c;
- }
- }
-
-}
-
-
-#if 0
-int
-getreply (int expecteof)
-{
- int c, n;
- int dig;
- int originalcode = 0, continuation = 0;
- sighand oldintr;
- int pflag = 0;
- char *cp, *pt = pasv;
-
- oldintr = signal (SIGINT, cmdabort);
- for (;;) {
- dig = n = code = 0;
- cp = reply_string;
- while ((c = getc (cin)) != '\n') {
- if (c == IAC) { /* handle telnet commands */
- switch (c = getc (cin)) {
- case WILL:
- case WONT:
- c = getc (cin);
- fprintf (cout, "%c%c%c", IAC, DONT, c);
- fflush (cout);
- break;
- case DO:
- case DONT:
- c = getc (cin);
- fprintf (cout, "%c%c%c", IAC, WONT, c);
- fflush (cout);
- break;
- default:
- break;
- }
- continue;
- }
- dig++;
- if (c == EOF) {
- if (expecteof) {
- signal (SIGINT, oldintr);
- code = 221;
- return (0);
- }
- lostpeer (0);
- if (verbose) {
- printf ("421 Service not available, remote server has closed connection\n");
- fflush (stdout);
- }
- code = 421;
- return (4);
- }
- if (c != '\r' && (verbose > 0 ||
- (verbose > -1 && n == '5' && dig > 4))) {
- if (proxflag &&
- (dig == 1 || dig == 5 && verbose == 0))
- printf ("%s:", hostname);
- putchar (c);
- }
- if (dig < 4 && isdigit (c))
- code = code * 10 + (c - '0');
- if (!pflag && code == 227)
- pflag = 1;
- if (dig > 4 && pflag == 1 && isdigit (c))
- pflag = 2;
- if (pflag == 2) {
- if (c != '\r' && c != ')')
- *pt++ = c;
- else {
- *pt = '\0';
- pflag = 3;
- }
- }
- if (dig == 4 && c == '-') {
- if (continuation)
- code = 0;
- continuation++;
- }
- if (n == 0)
- n = c;
- if (cp < &reply_string[sizeof (reply_string) - 1])
- *cp++ = c;
- }
- if (verbose > 0 || verbose > -1 && n == '5') {
- putchar (c);
- fflush (stdout);
- }
- if (continuation && code != originalcode) {
- if (originalcode == 0)
- originalcode = code;
- continue;
- }
- *cp = '\0';
- if(sec_complete){
- if(code == 631)
- sec_read_msg(reply_string, prot_safe);
- else if(code == 632)
- sec_read_msg(reply_string, prot_private);
- else if(code == 633)
- sec_read_msg(reply_string, prot_confidential);
- n = code / 100 + '0';
- }
- if (n != '1')
- cpend = 0;
- signal (SIGINT, oldintr);
- if (code == 421 || originalcode == 421)
- lostpeer (0);
- if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN)
- (*oldintr) (SIGINT);
- return (n - '0');
- }
-}
-
-#endif
-
-int
-empty (fd_set * mask, int sec)
-{
- struct timeval t;
-
- t.tv_sec = (long) sec;
- t.tv_usec = 0;
- return (select (32, mask, NULL, NULL, &t));
-}
-
-jmp_buf sendabort;
-
-static RETSIGTYPE
-abortsend (int sig)
-{
-
- mflag = 0;
- abrtflag = 0;
- printf ("\nsend aborted\nwaiting for remote to finish abort\n");
- fflush (stdout);
- longjmp (sendabort, 1);
-}
-
-#define HASHBYTES 1024
-
-static int
-copy_stream (FILE * from, FILE * to)
-{
- static size_t bufsize;
- static char *buf;
- int n;
- int bytes = 0;
- int werr = 0;
- int hashbytes = HASHBYTES;
- struct stat st;
-
-#if defined(HAVE_MMAP) && !defined(NO_MMAP)
- void *chunk;
-
-#ifndef MAP_FAILED
-#define MAP_FAILED (-1)
-#endif
-
- if (fstat (fileno (from), &st) == 0 && S_ISREG (st.st_mode)) {
- /*
- * mmap zero bytes has potential of loosing, don't do it.
- */
- if (st.st_size == 0)
- return 0;
- chunk = mmap (0, st.st_size, PROT_READ, MAP_SHARED, fileno (from), 0);
- if (chunk != (void *) MAP_FAILED) {
- int res;
-
- res = sec_write (fileno (to), chunk, st.st_size);
- if (munmap (chunk, st.st_size) < 0)
- warn ("munmap");
- sec_fflush (to);
- return res;
- }
- }
-#endif
-
- buf = alloc_buffer (buf, &bufsize,
- fstat (fileno (from), &st) >= 0 ? &st : NULL);
- if (buf == NULL)
- return -1;
-
- while ((n = read (fileno (from), buf, bufsize)) > 0) {
- werr = sec_write (fileno (to), buf, n);
- if (werr < 0)
- break;
- bytes += werr;
- while (hash && bytes > hashbytes) {
- putchar ('#');
- hashbytes += HASHBYTES;
- }
- }
- sec_fflush (to);
- if (n < 0)
- warn ("local");
-
- if (werr < 0) {
- if (errno != EPIPE)
- warn ("netout");
- bytes = -1;
- }
- return bytes;
-}
-
-void
-sendrequest (char *cmd, char *local, char *remote, char *lmode, int printnames)
-{
- struct stat st;
- struct timeval start, stop;
- int c, d;
- FILE *fin, *dout = 0;
- int (*closefunc) (FILE *);
- RETSIGTYPE (*oldintr)(), (*oldintp)();
- long bytes = 0, hashbytes = HASHBYTES;
- char *rmode = "w";
-
- if (verbose && printnames) {
- if (local && strcmp (local, "-") != 0)
- printf ("local: %s ", local);
- if (remote)
- printf ("remote: %s\n", remote);
- }
- if (proxy) {
- proxtrans (cmd, local, remote);
- return;
- }
- if (curtype != type)
- changetype (type, 0);
- closefunc = NULL;
- oldintr = NULL;
- oldintp = NULL;
-
- if (setjmp (sendabort)) {
- while (cpend) {
- getreply (0);
- }
- if (data >= 0) {
- close (data);
- data = -1;
- }
- if (oldintr)
- signal (SIGINT, oldintr);
- if (oldintp)
- signal (SIGPIPE, oldintp);
- code = -1;
- return;
- }
- oldintr = signal (SIGINT, abortsend);
- if (strcmp (local, "-") == 0)
- fin = stdin;
- else if (*local == '|') {
- oldintp = signal (SIGPIPE, SIG_IGN);
- fin = popen (local + 1, lmode);
- if (fin == NULL) {
- warn ("%s", local + 1);
- signal (SIGINT, oldintr);
- signal (SIGPIPE, oldintp);
- code = -1;
- return;
- }
- closefunc = pclose;
- } else {
- fin = fopen (local, lmode);
- if (fin == NULL) {
- warn ("local: %s", local);
- signal (SIGINT, oldintr);
- code = -1;
- return;
- }
- closefunc = fclose;
- if (fstat (fileno (fin), &st) < 0 ||
- (st.st_mode & S_IFMT) != S_IFREG) {
- fprintf (stdout, "%s: not a plain file.\n", local);
- signal (SIGINT, oldintr);
- fclose (fin);
- code = -1;
- return;
- }
- }
- if (initconn ()) {
- signal (SIGINT, oldintr);
- if (oldintp)
- signal (SIGPIPE, oldintp);
- code = -1;
- if (closefunc != NULL)
- (*closefunc) (fin);
- return;
- }
- if (setjmp (sendabort))
- goto abort;
-
- if (restart_point &&
- (strcmp (cmd, "STOR") == 0 || strcmp (cmd, "APPE") == 0)) {
- int rc;
-
- switch (curtype) {
- case TYPE_A:
- rc = fseek (fin, (long) restart_point, SEEK_SET);
- break;
- case TYPE_I:
- case TYPE_L:
- rc = lseek (fileno (fin), restart_point, SEEK_SET);
- break;
- }
- if (rc < 0) {
- warn ("local: %s", local);
- restart_point = 0;
- if (closefunc != NULL)
- (*closefunc) (fin);
- return;
- }
- if (command ("REST %ld", (long) restart_point)
- != CONTINUE) {
- restart_point = 0;
- if (closefunc != NULL)
- (*closefunc) (fin);
- return;
- }
- restart_point = 0;
- rmode = "r+w";
- }
- if (remote) {
- if (command ("%s %s", cmd, remote) != PRELIM) {
- signal (SIGINT, oldintr);
- if (oldintp)
- signal (SIGPIPE, oldintp);
- if (closefunc != NULL)
- (*closefunc) (fin);
- return;
- }
- } else if (command ("%s", cmd) != PRELIM) {
- signal(SIGINT, oldintr);
- if (oldintp)
- signal(SIGPIPE, oldintp);
- if (closefunc != NULL)
- (*closefunc)(fin);
- return;
- }
- dout = dataconn(rmode);
- if (dout == NULL)
- goto abort;
- set_buffer_size (fileno (dout), 0);
- gettimeofday (&start, (struct timezone *) 0);
- oldintp = signal (SIGPIPE, SIG_IGN);
- switch (curtype) {
-
- case TYPE_I:
- case TYPE_L:
- errno = d = c = 0;
- bytes = copy_stream (fin, dout);
- break;
-
- case TYPE_A:
- while ((c = getc (fin)) != EOF) {
- if (c == '\n') {
- while (hash && (bytes >= hashbytes)) {
- putchar ('#');
- fflush (stdout);
- hashbytes += HASHBYTES;
- }
- if (ferror (dout))
- break;
- sec_putc ('\r', dout);
- bytes++;
- }
- sec_putc (c, dout);
- bytes++;
- }
- sec_fflush (dout);
- if (hash) {
- if (bytes < hashbytes)
- putchar ('#');
- putchar ('\n');
- fflush (stdout);
- }
- if (ferror (fin))
- warn ("local: %s", local);
- if (ferror (dout)) {
- if (errno != EPIPE)
- warn ("netout");
- bytes = -1;
- }
- break;
- }
- if (closefunc != NULL)
- (*closefunc) (fin);
- fclose (dout);
- gettimeofday (&stop, (struct timezone *) 0);
- getreply (0);
- signal (SIGINT, oldintr);
- if (oldintp)
- signal (SIGPIPE, oldintp);
- if (bytes > 0)
- ptransfer ("sent", bytes, &start, &stop);
- return;
-abort:
- signal (SIGINT, oldintr);
- if (oldintp)
- signal (SIGPIPE, oldintp);
- if (!cpend) {
- code = -1;
- return;
- }
- if (data >= 0) {
- close (data);
- data = -1;
- }
- if (dout)
- fclose (dout);
- getreply (0);
- code = -1;
- if (closefunc != NULL && fin != NULL)
- (*closefunc) (fin);
- gettimeofday (&stop, (struct timezone *) 0);
- if (bytes > 0)
- ptransfer ("sent", bytes, &start, &stop);
-}
-
-jmp_buf recvabort;
-
-void
-abortrecv (int sig)
-{
-
- mflag = 0;
- abrtflag = 0;
- printf ("\nreceive aborted\nwaiting for remote to finish abort\n");
- fflush (stdout);
- longjmp (recvabort, 1);
-}
-
-void
-recvrequest (char *cmd, char *local, char *remote,
- char *lmode, int printnames, int local_given)
-{
- FILE *fout, *din = 0;
- int (*closefunc) (FILE *);
- sighand oldintr, oldintp;
- int c, d, is_retr, tcrflag, bare_lfs = 0;
- static size_t bufsize;
- static char *buf;
- long bytes = 0, hashbytes = HASHBYTES;
- struct timeval start, stop;
- struct stat st;
-
- is_retr = strcmp (cmd, "RETR") == 0;
- if (is_retr && verbose && printnames) {
- if (local && strcmp (local, "-") != 0)
- printf ("local: %s ", local);
- if (remote)
- printf ("remote: %s\n", remote);
- }
- if (proxy && is_retr) {
- proxtrans (cmd, local, remote);
- return;
- }
- closefunc = NULL;
- oldintr = NULL;
- oldintp = NULL;
- tcrflag = !crflag && is_retr;
- if (setjmp (recvabort)) {
- while (cpend) {
- getreply (0);
- }
- if (data >= 0) {
- close (data);
- data = -1;
- }
- if (oldintr)
- signal (SIGINT, oldintr);
- code = -1;
- return;
- }
- oldintr = signal (SIGINT, abortrecv);
- if (!local_given || (strcmp (local, "-") && *local != '|')) {
- if (access (local, 2) < 0) {
- char *dir = strrchr (local, '/');
-
- if (errno != ENOENT && errno != EACCES) {
- warn ("local: %s", local);
- signal (SIGINT, oldintr);
- code = -1;
- return;
- }
- if (dir != NULL)
- *dir = 0;
- d = access (dir ? local : ".", 2);
- if (dir != NULL)
- *dir = '/';
- if (d < 0) {
- warn ("local: %s", local);
- signal (SIGINT, oldintr);
- code = -1;
- return;
- }
- if (!runique && errno == EACCES &&
- chmod (local, 0600) < 0) {
- warn ("local: %s", local);
- signal (SIGINT, oldintr);
- signal (SIGINT, oldintr);
- code = -1;
- return;
- }
- if (runique && errno == EACCES &&
- (local = gunique (local)) == NULL) {
- signal (SIGINT, oldintr);
- code = -1;
- return;
- }
- } else if (runique && (local = gunique (local)) == NULL) {
- signal(SIGINT, oldintr);
- code = -1;
- return;
- }
- }
- if (!is_retr) {
- if (curtype != TYPE_A)
- changetype (TYPE_A, 0);
- } else if (curtype != type)
- changetype (type, 0);
- if (initconn ()) {
- signal (SIGINT, oldintr);
- code = -1;
- return;
- }
- if (setjmp (recvabort))
- goto abort;
- if (is_retr && restart_point &&
- command ("REST %ld", (long) restart_point) != CONTINUE)
- return;
- if (remote) {
- if (command ("%s %s", cmd, remote) != PRELIM) {
- signal (SIGINT, oldintr);
- return;
- }
- } else {
- if (command ("%s", cmd) != PRELIM) {
- signal (SIGINT, oldintr);
- return;
- }
- }
- din = dataconn ("r");
- if (din == NULL)
- goto abort;
- set_buffer_size (fileno (din), 1);
- if (local_given && strcmp (local, "-") == 0)
- fout = stdout;
- else if (local_given && *local == '|') {
- oldintp = signal (SIGPIPE, SIG_IGN);
- fout = popen (local + 1, "w");
- if (fout == NULL) {
- warn ("%s", local + 1);
- goto abort;
- }
- closefunc = pclose;
- } else {
- fout = fopen (local, lmode);
- if (fout == NULL) {
- warn ("local: %s", local);
- goto abort;
- }
- closefunc = fclose;
- }
- buf = alloc_buffer (buf, &bufsize,
- fstat (fileno (fout), &st) >= 0 ? &st : NULL);
- if (buf == NULL)
- goto abort;
-
- gettimeofday (&start, (struct timezone *) 0);
- switch (curtype) {
-
- case TYPE_I:
- case TYPE_L:
- if (restart_point &&
- lseek (fileno (fout), restart_point, SEEK_SET) < 0) {
- warn ("local: %s", local);
- if (closefunc != NULL)
- (*closefunc) (fout);
- return;
- }
- errno = d = 0;
- while ((c = sec_read (fileno (din), buf, bufsize)) > 0) {
- if ((d = write (fileno (fout), buf, c)) != c)
- break;
- bytes += c;
- if (hash) {
- while (bytes >= hashbytes) {
- putchar ('#');
- hashbytes += HASHBYTES;
- }
- fflush (stdout);
- }
- }
- if (hash && bytes > 0) {
- if (bytes < HASHBYTES)
- putchar ('#');
- putchar ('\n');
- fflush (stdout);
- }
- if (c < 0) {
- if (errno != EPIPE)
- warn ("netin");
- bytes = -1;
- }
- if (d < c) {
- if (d < 0)
- warn ("local: %s", local);
- else
- warnx ("%s: short write", local);
- }
- break;
-
- case TYPE_A:
- if (restart_point) {
- int i, n, ch;
-
- if (fseek (fout, 0L, SEEK_SET) < 0)
- goto done;
- n = restart_point;
- for (i = 0; i++ < n;) {
- if ((ch = sec_getc (fout)) == EOF)
- goto done;
- if (ch == '\n')
- i++;
- }
- if (fseek (fout, 0L, SEEK_CUR) < 0) {
- done:
- warn ("local: %s", local);
- if (closefunc != NULL)
- (*closefunc) (fout);
- return;
- }
- }
- while ((c = sec_getc(din)) != EOF) {
- if (c == '\n')
- bare_lfs++;
- while (c == '\r') {
- while (hash && (bytes >= hashbytes)) {
- putchar ('#');
- fflush (stdout);
- hashbytes += HASHBYTES;
- }
- bytes++;
- if ((c = sec_getc (din)) != '\n' || tcrflag) {
- if (ferror (fout))
- goto break2;
- putc ('\r', fout);
- if (c == '\0') {
- bytes++;
- goto contin2;
- }
- if (c == EOF)
- goto contin2;
- }
- }
- putc (c, fout);
- bytes++;
- contin2:;
- }
-break2:
- if (bare_lfs) {
- printf ("WARNING! %d bare linefeeds received in ASCII mode\n",
- bare_lfs);
- printf ("File may not have transferred correctly.\n");
- }
- if (hash) {
- if (bytes < hashbytes)
- putchar ('#');
- putchar ('\n');
- fflush (stdout);
- }
- if (ferror (din)) {
- if (errno != EPIPE)
- warn ("netin");
- bytes = -1;
- }
- if (ferror (fout))
- warn ("local: %s", local);
- break;
- }
- if (closefunc != NULL)
- (*closefunc) (fout);
- signal (SIGINT, oldintr);
- if (oldintp)
- signal (SIGPIPE, oldintp);
- fclose (din);
- gettimeofday (&stop, (struct timezone *) 0);
- getreply (0);
- if (bytes > 0 && is_retr)
- ptransfer ("received", bytes, &start, &stop);
- return;
-abort:
-
- /* abort using RFC959 recommended IP,SYNC sequence */
-
- if (oldintp)
- signal (SIGPIPE, oldintr);
- signal (SIGINT, SIG_IGN);
- if (!cpend) {
- code = -1;
- signal (SIGINT, oldintr);
- return;
- }
- abort_remote(din);
- code = -1;
- if (data >= 0) {
- close (data);
- data = -1;
- }
- if (closefunc != NULL && fout != NULL)
- (*closefunc) (fout);
- if (din)
- fclose (din);
- gettimeofday (&stop, (struct timezone *) 0);
- if (bytes > 0)
- ptransfer ("received", bytes, &start, &stop);
- signal (SIGINT, oldintr);
-}
-
-static int
-parse_epsv (const char *str)
-{
- char sep;
- char *end;
- int port;
-
- if (*str == '\0')
- return -1;
- sep = *str++;
- if (sep != *str++)
- return -1;
- if (sep != *str++)
- return -1;
- port = strtol (str, &end, 0);
- if (str == end)
- return -1;
- if (end[0] != sep || end[1] != '\0')
- return -1;
- return htons(port);
-}
-
-static int
-parse_pasv (struct sockaddr_in *sin, const char *str)
-{
- int a0, a1, a2, a3, p0, p1;
-
- /*
- * What we've got at this point is a string of comma separated
- * one-byte unsigned integer values. The first four are the an IP
- * address. The fifth is the MSB of the port number, the sixth is the
- * LSB. From that we'll prepare a sockaddr_in.
- */
-
- if (sscanf (str, "%d,%d,%d,%d,%d,%d",
- &a0, &a1, &a2, &a3, &p0, &p1) != 6) {
- printf ("Passive mode address scan failure. "
- "Shouldn't happen!\n");
- return -1;
- }
- if (a0 < 0 || a0 > 255 ||
- a1 < 0 || a1 > 255 ||
- a2 < 0 || a2 > 255 ||
- a3 < 0 || a3 > 255 ||
- p0 < 0 || p0 > 255 ||
- p1 < 0 || p1 > 255) {
- printf ("Can't parse passive mode string.\n");
- return -1;
- }
- memset (sin, 0, sizeof(*sin));
- sin->sin_family = AF_INET;
- sin->sin_addr.s_addr = htonl ((a0 << 24) | (a1 << 16) |
- (a2 << 8) | a3);
- sin->sin_port = htons ((p0 << 8) | p1);
- return 0;
-}
-
-static int
-passive_mode (void)
-{
- int port;
-
- data = socket (myctladdr->sa_family, SOCK_STREAM, 0);
- if (data < 0) {
- warn ("socket");
- return (1);
- }
- if (options & SO_DEBUG)
- socket_set_debug (data);
- if (command ("EPSV") != COMPLETE) {
- if (command ("PASV") != COMPLETE) {
- printf ("Passive mode refused.\n");
- goto bad;
- }
- }
-
- /*
- * Parse the reply to EPSV or PASV
- */
-
- port = parse_epsv (pasv);
- if (port > 0) {
- data_addr->sa_family = myctladdr->sa_family;
- socket_set_address_and_port (data_addr,
- socket_get_address (hisctladdr),
- port);
- } else {
- if (parse_pasv ((struct sockaddr_in *)data_addr, pasv) < 0)
- goto bad;
- }
-
- if (connect (data, data_addr, socket_sockaddr_size (data_addr)) < 0) {
- warn ("connect");
- goto bad;
- }
-#ifdef IPTOS_THROUGHPUT
- socket_set_tos (data, IPTOS_THROUGHPUT);
-#endif
- return (0);
-bad:
- close (data);
- data = -1;
- sendport = 1;
- return (1);
-}
-
-
-static int
-active_mode (void)
-{
- int tmpno = 0;
- int len;
- int result;
-
-noport:
- data_addr->sa_family = myctladdr->sa_family;
- socket_set_address_and_port (data_addr, socket_get_address (myctladdr),
- sendport ? 0 : socket_get_port (myctladdr));
-
- if (data != -1)
- close (data);
- data = socket (data_addr->sa_family, SOCK_STREAM, 0);
- if (data < 0) {
- warn ("socket");
- if (tmpno)
- sendport = 1;
- return (1);
- }
- if (!sendport)
- socket_set_reuseaddr (data, 1);
- if (bind (data, data_addr, socket_sockaddr_size (data_addr)) < 0) {
- warn ("bind");
- goto bad;
- }
- if (options & SO_DEBUG)
- socket_set_debug (data);
- len = sizeof (data_addr_ss);
- if (getsockname (data, data_addr, &len) < 0) {
- warn ("getsockname");
- goto bad;
- }
- if (listen (data, 1) < 0)
- warn ("listen");
- if (sendport) {
- char *cmd;
- char addr_str[256];
- int inet_af;
- int overbose;
-
- if (inet_ntop (data_addr->sa_family, socket_get_address (data_addr),
- addr_str, sizeof(addr_str)) == NULL)
- errx (1, "inet_ntop failed");
- switch (data_addr->sa_family) {
- case AF_INET :
- inet_af = 1;
- break;
-#ifdef HAVE_IPV6
- case AF_INET6 :
- inet_af = 2;
- break;
-#endif
- default :
- errx (1, "bad address family %d", data_addr->sa_family);
- }
-
- asprintf (&cmd, "EPRT |%d|%s|%d|",
- inet_af, addr_str, ntohs(socket_get_port (data_addr)));
-
- overbose = verbose;
- if (debug == 0)
- verbose = -1;
-
- result = command (cmd);
-
- verbose = overbose;
-
- if (result == ERROR) {
- struct sockaddr_in *sin = (struct sockaddr_in *)data_addr;
-
- unsigned int a = ntohl(sin->sin_addr.s_addr);
- unsigned int p = ntohs(sin->sin_port);
-
- if (data_addr->sa_family != AF_INET) {
- warnx ("remote server doesn't support EPRT");
- goto bad;
- }
-
- result = command("PORT %d,%d,%d,%d,%d,%d",
- (a >> 24) & 0xff,
- (a >> 16) & 0xff,
- (a >> 8) & 0xff,
- a & 0xff,
- (p >> 8) & 0xff,
- p & 0xff);
- if (result == ERROR && sendport == -1) {
- sendport = 0;
- tmpno = 1;
- goto noport;
- }
- return (result != COMPLETE);
- }
- return result != COMPLETE;
- }
- if (tmpno)
- sendport = 1;
-
-
-#ifdef IPTOS_THROUGHPUT
- socket_set_tos (data, IPTOS_THROUGHPUT);
-#endif
- return (0);
-bad:
- close (data);
- data = -1;
- if (tmpno)
- sendport = 1;
- return (1);
-}
-
-/*
- * Need to start a listen on the data channel before we send the command,
- * otherwise the server's connect may fail.
- */
-int
-initconn (void)
-{
- if (passivemode)
- return passive_mode ();
- else
- return active_mode ();
-}
-
-FILE *
-dataconn (const char *lmode)
-{
- struct sockaddr_storage from_ss;
- struct sockaddr *from = (struct sockaddr *)&from_ss;
- int s, fromlen = sizeof (from_ss);
-
- if (passivemode)
- return (fdopen (data, lmode));
-
- s = accept (data, from, &fromlen);
- if (s < 0) {
- warn ("accept");
- close (data), data = -1;
- return (NULL);
- }
- close (data);
- data = s;
-#ifdef IPTOS_THROUGHPUT
- socket_set_tos (s, IPTOS_THROUGHPUT);
-#endif
- return (fdopen (data, lmode));
-}
-
-void
-ptransfer (char *direction, long int bytes,
- struct timeval * t0, struct timeval * t1)
-{
- struct timeval td;
- float s;
- float bs;
- int prec;
- char *unit;
-
- if (verbose) {
- td.tv_sec = t1->tv_sec - t0->tv_sec;
- td.tv_usec = t1->tv_usec - t0->tv_usec;
- if (td.tv_usec < 0) {
- td.tv_sec--;
- td.tv_usec += 1000000;
- }
- s = td.tv_sec + (td.tv_usec / 1000000.);
- bs = bytes / (s ? s : 1);
- if (bs >= 1048576) {
- bs /= 1048576;
- unit = "M";
- prec = 2;
- } else if (bs >= 1024) {
- bs /= 1024;
- unit = "k";
- prec = 1;
- } else {
- unit = "";
- prec = 0;
- }
-
- printf ("%ld bytes %s in %.3g seconds (%.*f %sbyte/s)\n",
- bytes, direction, s, prec, bs, unit);
- }
-}
-
-void
-psabort (int sig)
-{
-
- abrtflag++;
-}
-
-void
-pswitch (int flag)
-{
- sighand oldintr;
- static struct comvars {
- int connect;
- char name[MaxHostNameLen];
- struct sockaddr_storage mctl;
- struct sockaddr_storage hctl;
- FILE *in;
- FILE *out;
- int tpe;
- int curtpe;
- int cpnd;
- int sunqe;
- int runqe;
- int mcse;
- int ntflg;
- char nti[17];
- char nto[17];
- int mapflg;
- char mi[MaxPathLen];
- char mo[MaxPathLen];
- } proxstruct, tmpstruct;
- struct comvars *ip, *op;
-
- abrtflag = 0;
- oldintr = signal (SIGINT, psabort);
- if (flag) {
- if (proxy)
- return;
- ip = &tmpstruct;
- op = &proxstruct;
- proxy++;
- } else {
- if (!proxy)
- return;
- ip = &proxstruct;
- op = &tmpstruct;
- proxy = 0;
- }
- ip->connect = connected;
- connected = op->connect;
- if (hostname) {
- strlcpy (ip->name, hostname, sizeof (ip->name));
- } else
- ip->name[0] = 0;
- hostname = op->name;
- ip->hctl = hisctladdr_ss;
- hisctladdr_ss = op->hctl;
- ip->mctl = myctladdr_ss;
- myctladdr_ss = op->mctl;
- ip->in = cin;
- cin = op->in;
- ip->out = cout;
- cout = op->out;
- ip->tpe = type;
- type = op->tpe;
- ip->curtpe = curtype;
- curtype = op->curtpe;
- ip->cpnd = cpend;
- cpend = op->cpnd;
- ip->sunqe = sunique;
- sunique = op->sunqe;
- ip->runqe = runique;
- runique = op->runqe;
- ip->mcse = mcase;
- mcase = op->mcse;
- ip->ntflg = ntflag;
- ntflag = op->ntflg;
- strlcpy (ip->nti, ntin, sizeof (ip->nti));
- strlcpy (ntin, op->nti, 17);
- strlcpy (ip->nto, ntout, sizeof (ip->nto));
- strlcpy (ntout, op->nto, 17);
- ip->mapflg = mapflag;
- mapflag = op->mapflg;
- strlcpy (ip->mi, mapin, MaxPathLen);
- strlcpy (mapin, op->mi, MaxPathLen);
- strlcpy (ip->mo, mapout, MaxPathLen);
- strlcpy (mapout, op->mo, MaxPathLen);
- signal(SIGINT, oldintr);
- if (abrtflag) {
- abrtflag = 0;
- (*oldintr) (SIGINT);
- }
-}
-
-void
-abortpt (int sig)
-{
-
- printf ("\n");
- fflush (stdout);
- ptabflg++;
- mflag = 0;
- abrtflag = 0;
- longjmp (ptabort, 1);
-}
-
-void
-proxtrans (char *cmd, char *local, char *remote)
-{
- sighand oldintr;
- int secndflag = 0, prox_type, nfnd;
- char *cmd2;
- fd_set mask;
-
- if (strcmp (cmd, "RETR"))
- cmd2 = "RETR";
- else
- cmd2 = runique ? "STOU" : "STOR";
- if ((prox_type = type) == 0) {
- if (unix_server && unix_proxy)
- prox_type = TYPE_I;
- else
- prox_type = TYPE_A;
- }
- if (curtype != prox_type)
- changetype (prox_type, 1);
- if (command ("PASV") != COMPLETE) {
- printf ("proxy server does not support third party transfers.\n");
- return;
- }
- pswitch (0);
- if (!connected) {
- printf ("No primary connection\n");
- pswitch (1);
- code = -1;
- return;
- }
- if (curtype != prox_type)
- changetype (prox_type, 1);
- if (command ("PORT %s", pasv) != COMPLETE) {
- pswitch (1);
- return;
- }
- if (setjmp (ptabort))
- goto abort;
- oldintr = signal (SIGINT, abortpt);
- if (command ("%s %s", cmd, remote) != PRELIM) {
- signal (SIGINT, oldintr);
- pswitch (1);
- return;
- }
- sleep (2);
- pswitch (1);
- secndflag++;
- if (command ("%s %s", cmd2, local) != PRELIM)
- goto abort;
- ptflag++;
- getreply (0);
- pswitch (0);
- getreply (0);
- signal (SIGINT, oldintr);
- pswitch (1);
- ptflag = 0;
- printf ("local: %s remote: %s\n", local, remote);
- return;
-abort:
- signal (SIGINT, SIG_IGN);
- ptflag = 0;
- if (strcmp (cmd, "RETR") && !proxy)
- pswitch (1);
- else if (!strcmp (cmd, "RETR") && proxy)
- pswitch (0);
- if (!cpend && !secndflag) { /* only here if cmd = "STOR" (proxy=1) */
- if (command ("%s %s", cmd2, local) != PRELIM) {
- pswitch (0);
- if (cpend)
- abort_remote ((FILE *) NULL);
- }
- pswitch (1);
- if (ptabflg)
- code = -1;
- signal (SIGINT, oldintr);
- return;
- }
- if (cpend)
- abort_remote ((FILE *) NULL);
- pswitch (!proxy);
- if (!cpend && !secndflag) { /* only if cmd = "RETR" (proxy=1) */
- if (command ("%s %s", cmd2, local) != PRELIM) {
- pswitch (0);
- if (cpend)
- abort_remote ((FILE *) NULL);
- pswitch (1);
- if (ptabflg)
- code = -1;
- signal (SIGINT, oldintr);
- return;
- }
- }
- if (cpend)
- abort_remote ((FILE *) NULL);
- pswitch (!proxy);
- if (cpend) {
- FD_ZERO (&mask);
- FD_SET (fileno (cin), &mask);
- if ((nfnd = empty (&mask, 10)) <= 0) {
- if (nfnd < 0) {
- warn ("abort");
- }
- if (ptabflg)
- code = -1;
- lostpeer (0);
- }
- getreply (0);
- getreply (0);
- }
- if (proxy)
- pswitch (0);
- pswitch (1);
- if (ptabflg)
- code = -1;
- signal (SIGINT, oldintr);
-}
-
-void
-reset (int argc, char **argv)
-{
- fd_set mask;
- int nfnd = 1;
-
- FD_ZERO (&mask);
- while (nfnd > 0) {
- FD_SET (fileno (cin), &mask);
- if ((nfnd = empty (&mask, 0)) < 0) {
- warn ("reset");
- code = -1;
- lostpeer(0);
- } else if (nfnd) {
- getreply(0);
- }
- }
-}
-
-char *
-gunique (char *local)
-{
- static char new[MaxPathLen];
- char *cp = strrchr (local, '/');
- int d, count = 0;
- char ext = '1';
-
- if (cp)
- *cp = '\0';
- d = access (cp ? local : ".", 2);
- if (cp)
- *cp = '/';
- if (d < 0) {
- warn ("local: %s", local);
- return NULL;
- }
- strlcpy (new, local, sizeof(new));
- cp = new + strlen(new);
- *cp++ = '.';
- while (!d) {
- if (++count == 100) {
- printf ("runique: can't find unique file name.\n");
- return NULL;
- }
- *cp++ = ext;
- *cp = '\0';
- if (ext == '9')
- ext = '0';
- else
- ext++;
- if ((d = access (new, 0)) < 0)
- break;
- if (ext != '0')
- cp--;
- else if (*(cp - 2) == '.')
- *(cp - 1) = '1';
- else {
- *(cp - 2) = *(cp - 2) + 1;
- cp--;
- }
- }
- return (new);
-}
-
-void
-abort_remote (FILE * din)
-{
- char buf[BUFSIZ];
- int nfnd;
- fd_set mask;
-
- /*
- * send IAC in urgent mode instead of DM because 4.3BSD places oob mark
- * after urgent byte rather than before as is protocol now
- */
- snprintf (buf, sizeof (buf), "%c%c%c", IAC, IP, IAC);
- if (send (fileno (cout), buf, 3, MSG_OOB) != 3)
- warn ("abort");
- fprintf (cout, "%cABOR\r\n", DM);
- fflush (cout);
- FD_ZERO (&mask);
- FD_SET (fileno (cin), &mask);
- if (din) {
- FD_SET (fileno (din), &mask);
- }
- if ((nfnd = empty (&mask, 10)) <= 0) {
- if (nfnd < 0) {
- warn ("abort");
- }
- if (ptabflg)
- code = -1;
- lostpeer (0);
- }
- if (din && FD_ISSET (fileno (din), &mask)) {
- while (read (fileno (din), buf, BUFSIZ) > 0)
- /* LOOP */ ;
- }
- if (getreply (0) == ERROR && code == 552) {
- /* 552 needed for nic style abort */
- getreply (0);
- }
- getreply (0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-22 07:41:01 +0000