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-rw-r--r--usr.bin/ftp/ftp.c1470
1 files changed, 0 insertions, 1470 deletions
diff --git a/usr.bin/ftp/ftp.c b/usr.bin/ftp/ftp.c
deleted file mode 100644
index 19e8f8e..0000000
--- a/usr.bin/ftp/ftp.c
+++ /dev/null
@@ -1,1470 +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.
- */
-
-#ifndef lint
-static char sccsid[] = "@(#)ftp.c 8.4 (Berkeley) 4/6/94";
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <sys/file.h>
-
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <arpa/inet.h>
-#include <arpa/ftp.h>
-#include <arpa/telnet.h>
-
-#include <ctype.h>
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <pwd.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <varargs.h>
-
-#include "ftp_var.h"
-
-extern int h_errno;
-
-struct sockaddr_in hisctladdr;
-struct sockaddr_in data_addr;
-int data = -1;
-int abrtflag = 0;
-jmp_buf ptabort;
-int ptabflg;
-int ptflag = 0;
-struct sockaddr_in myctladdr;
-off_t restart_point = 0;
-
-
-FILE *cin, *cout;
-
-char *
-hookup(host, port)
- char *host;
- int port;
-{
- struct hostent *hp = 0;
- int s, len, tos;
- static char hostnamebuf[80];
-
- memset((char *)&hisctladdr, 0, sizeof (hisctladdr));
- hisctladdr.sin_addr.s_addr = inet_addr(host);
- if (hisctladdr.sin_addr.s_addr != -1) {
- hisctladdr.sin_family = AF_INET;
- (void) strncpy(hostnamebuf, host, sizeof(hostnamebuf));
- } else {
- hp = gethostbyname(host);
- if (hp == NULL) {
- warnx("%s: %s", host, hstrerror(h_errno));
- code = -1;
- return ((char *) 0);
- }
- hisctladdr.sin_family = hp->h_addrtype;
- memmove((caddr_t)&hisctladdr.sin_addr,
- hp->h_addr_list[0], hp->h_length);
- (void) strncpy(hostnamebuf, hp->h_name, sizeof(hostnamebuf));
- }
- hostname = hostnamebuf;
- s = socket(hisctladdr.sin_family, SOCK_STREAM, 0);
- if (s < 0) {
- warn("socket");
- code = -1;
- return (0);
- }
- hisctladdr.sin_port = port;
- while (connect(s, (struct sockaddr *)&hisctladdr, sizeof (hisctladdr)) < 0) {
- if (hp && hp->h_addr_list[1]) {
- int oerrno = errno;
- char *ia;
-
- ia = inet_ntoa(hisctladdr.sin_addr);
- errno = oerrno;
- warn("connect to address %s", ia);
- hp->h_addr_list++;
- memmove((caddr_t)&hisctladdr.sin_addr,
- hp->h_addr_list[0], hp->h_length);
- fprintf(stdout, "Trying %s...\n",
- inet_ntoa(hisctladdr.sin_addr));
- (void) close(s);
- s = socket(hisctladdr.sin_family, SOCK_STREAM, 0);
- if (s < 0) {
- warn("socket");
- code = -1;
- return (0);
- }
- continue;
- }
- warn("connect");
- code = -1;
- goto bad;
- }
- len = sizeof (myctladdr);
- if (getsockname(s, (struct sockaddr *)&myctladdr, &len) < 0) {
- warn("getsockname");
- code = -1;
- goto bad;
- }
-#ifdef IP_TOS
- tos = IPTOS_LOWDELAY;
- if (setsockopt(s, IPPROTO_IP, IP_TOS, (char *)&tos, sizeof(int)) < 0)
- warn("setsockopt TOS (ignored)");
-#endif
- cin = fdopen(s, "r");
- cout = fdopen(s, "w");
- if (cin == NULL || cout == NULL) {
- warnx("fdopen failed.");
- if (cin)
- (void) fclose(cin);
- if (cout)
- (void) 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)
- (void) fclose(cin);
- if (cout)
- (void) fclose(cout);
- code = -1;
- goto bad;
- }
-#ifdef SO_OOBINLINE
- {
- int on = 1;
-
- if (setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (char *)&on, sizeof(on))
- < 0 && debug) {
- warn("setsockopt");
- }
- }
-#endif /* SO_OOBINLINE */
-
- return (hostname);
-bad:
- (void) close(s);
- return ((char *)0);
-}
-
-int
-login(host)
- char *host;
-{
- char tmp[80];
- char *user, *pass, *acct;
- int n, aflag = 0;
-
- user = pass = acct = 0;
- if (ruserpass(host, &user, &pass, &acct) < 0) {
- code = -1;
- return (0);
- }
- while (user == NULL) {
- char *myname = getlogin();
-
- if (myname == NULL) {
- struct passwd *pp = getpwuid(getuid());
-
- if (pp != NULL)
- myname = pp->pw_name;
- }
- if (myname)
- printf("Name (%s:%s): ", host, myname);
- else
- printf("Name (%s): ", host);
- (void) fgets(tmp, sizeof(tmp) - 1, stdin);
- tmp[strlen(tmp) - 1] = '\0';
- if (*tmp == '\0')
- user = myname;
- else
- user = tmp;
- }
- n = command("USER %s", user);
- if (n == CONTINUE) {
- if (pass == NULL)
- pass = getpass("Password:");
- n = command("PASS %s", pass);
- }
- if (n == CONTINUE) {
- aflag++;
- acct = getpass("Account:");
- n = command("ACCT %s", acct);
- }
- if (n != COMPLETE) {
- warnx("Login failed.");
- return (0);
- }
- if (!aflag && acct != NULL)
- (void) command("ACCT %s", acct);
- if (proxy)
- return (1);
- for (n = 0; n < macnum; ++n) {
- if (!strcmp("init", macros[n].mac_name)) {
- (void) strcpy(line, "$init");
- makeargv();
- domacro(margc, margv);
- break;
- }
- }
- return (1);
-}
-
-void
-cmdabort()
-{
-
- printf("\n");
- (void) fflush(stdout);
- abrtflag++;
- if (ptflag)
- longjmp(ptabort,1);
-}
-
-/*VARARGS*/
-int
-command(va_alist)
-va_dcl
-{
- va_list ap;
- char *fmt;
- int r;
- sig_t oldintr;
-
- abrtflag = 0;
- if (debug) {
- printf("---> ");
- va_start(ap);
- fmt = va_arg(ap, char *);
- if (strncmp("PASS ", fmt, 5) == 0)
- printf("PASS XXXX");
- else
- vfprintf(stdout, fmt, ap);
- va_end(ap);
- printf("\n");
- (void) fflush(stdout);
- }
- if (cout == NULL) {
- warn("No control connection for command");
- code = -1;
- return (0);
- }
- oldintr = signal(SIGINT, cmdabort);
- va_start(ap);
- fmt = va_arg(ap, char *);
- vfprintf(cout, fmt, ap);
- va_end(ap);
- fprintf(cout, "\r\n");
- (void) fflush(cout);
- cpend = 1;
- r = getreply(!strcmp(fmt, "QUIT"));
- if (abrtflag && oldintr != SIG_IGN)
- (*oldintr)(SIGINT);
- (void) signal(SIGINT, oldintr);
- return (r);
-}
-
-char reply_string[BUFSIZ]; /* last line of previous reply */
-
-int
-getreply(expecteof)
- int expecteof;
-{
- int c, n;
- int dig;
- int originalcode = 0, continuation = 0;
- sig_t 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);
- (void) fflush(cout);
- break;
- case DO:
- case DONT:
- c = getc(cin);
- fprintf(cout, "%c%c%c", IAC, WONT, c);
- (void) fflush(cout);
- break;
- default:
- break;
- }
- continue;
- }
- dig++;
- if (c == EOF) {
- if (expecteof) {
- (void) signal(SIGINT,oldintr);
- code = 221;
- return (0);
- }
- lostpeer();
- if (verbose) {
- printf("421 Service not available, remote server has closed connection\n");
- (void) 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);
- (void) 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') {
- (void) putchar(c);
- (void) fflush (stdout);
- }
- if (continuation && code != originalcode) {
- if (originalcode == 0)
- originalcode = code;
- continue;
- }
- *cp = '\0';
- if (n != '1')
- cpend = 0;
- (void) signal(SIGINT,oldintr);
- if (code == 421 || originalcode == 421)
- lostpeer();
- if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN)
- (*oldintr)(SIGINT);
- return (n - '0');
- }
-}
-
-int
-empty(mask, sec)
- struct fd_set *mask;
- int sec;
-{
- struct timeval t;
-
- t.tv_sec = (long) sec;
- t.tv_usec = 0;
- return (select(32, mask, (struct fd_set *) 0, (struct fd_set *) 0, &t));
-}
-
-jmp_buf sendabort;
-
-void
-abortsend()
-{
-
- mflag = 0;
- abrtflag = 0;
- printf("\nsend aborted\nwaiting for remote to finish abort\n");
- (void) fflush(stdout);
- longjmp(sendabort, 1);
-}
-
-#define HASHBYTES 1024
-
-void
-sendrequest(cmd, local, remote, printnames)
- char *cmd, *local, *remote;
- int printnames;
-{
- struct stat st;
- struct timeval start, stop;
- int c, d;
- FILE *fin, *dout = 0, *popen();
- int (*closefunc) __P((FILE *));
- sig_t oldintr, oldintp;
- long bytes = 0, hashbytes = HASHBYTES;
- char *lmode, buf[BUFSIZ], *bufp;
-
- if (verbose && printnames) {
- if (local && *local != '-')
- 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;
- lmode = "w";
- if (setjmp(sendabort)) {
- while (cpend) {
- (void) getreply(0);
- }
- if (data >= 0) {
- (void) close(data);
- data = -1;
- }
- if (oldintr)
- (void) signal(SIGINT,oldintr);
- if (oldintp)
- (void) 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, "r");
- if (fin == NULL) {
- warn("%s", local + 1);
- (void) signal(SIGINT, oldintr);
- (void) signal(SIGPIPE, oldintp);
- code = -1;
- return;
- }
- closefunc = pclose;
- } else {
- fin = fopen(local, "r");
- if (fin == NULL) {
- warn("local: %s", local);
- (void) 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);
- (void) signal(SIGINT, oldintr);
- fclose(fin);
- code = -1;
- return;
- }
- }
- if (initconn()) {
- (void) signal(SIGINT, oldintr);
- if (oldintp)
- (void) 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;
- lmode = "r+w";
- }
- if (remote) {
- if (command("%s %s", cmd, remote) != PRELIM) {
- (void) signal(SIGINT, oldintr);
- if (oldintp)
- (void) signal(SIGPIPE, oldintp);
- if (closefunc != NULL)
- (*closefunc)(fin);
- return;
- }
- } else
- if (command("%s", cmd) != PRELIM) {
- (void) signal(SIGINT, oldintr);
- if (oldintp)
- (void) signal(SIGPIPE, oldintp);
- if (closefunc != NULL)
- (*closefunc)(fin);
- return;
- }
- dout = dataconn(lmode);
- if (dout == NULL)
- goto abort;
- (void) gettimeofday(&start, (struct timezone *)0);
- oldintp = signal(SIGPIPE, SIG_IGN);
- switch (curtype) {
-
- case TYPE_I:
- case TYPE_L:
- errno = d = 0;
- while ((c = read(fileno(fin), buf, sizeof (buf))) > 0) {
- bytes += c;
- for (bufp = buf; c > 0; c -= d, bufp += d)
- if ((d = write(fileno(dout), bufp, c)) <= 0)
- break;
- if (hash) {
- while (bytes >= hashbytes) {
- (void) putchar('#');
- hashbytes += HASHBYTES;
- }
- (void) fflush(stdout);
- }
- }
- if (hash && bytes > 0) {
- if (bytes < HASHBYTES)
- (void) putchar('#');
- (void) putchar('\n');
- (void) fflush(stdout);
- }
- if (c < 0)
- warn("local: %s", local);
- if (d < 0) {
- if (errno != EPIPE)
- warn("netout");
- bytes = -1;
- }
- break;
-
- case TYPE_A:
- while ((c = getc(fin)) != EOF) {
- if (c == '\n') {
- while (hash && (bytes >= hashbytes)) {
- (void) putchar('#');
- (void) fflush(stdout);
- hashbytes += HASHBYTES;
- }
- if (ferror(dout))
- break;
- (void) putc('\r', dout);
- bytes++;
- }
- (void) putc(c, dout);
- bytes++;
- /* if (c == '\r') { */
- /* (void) putc('\0', dout); // this violates rfc */
- /* bytes++; */
- /* } */
- }
- if (hash) {
- if (bytes < hashbytes)
- (void) putchar('#');
- (void) putchar('\n');
- (void) fflush(stdout);
- }
- if (ferror(fin))
- warn("local: %s", local);
- if (ferror(dout)) {
- if (errno != EPIPE)
- warn("netout");
- bytes = -1;
- }
- break;
- }
- (void) gettimeofday(&stop, (struct timezone *)0);
- if (closefunc != NULL)
- (*closefunc)(fin);
- (void) fclose(dout);
- (void) getreply(0);
- (void) signal(SIGINT, oldintr);
- if (oldintp)
- (void) signal(SIGPIPE, oldintp);
- if (bytes > 0)
- ptransfer("sent", bytes, &start, &stop);
- return;
-abort:
- (void) gettimeofday(&stop, (struct timezone *)0);
- (void) signal(SIGINT, oldintr);
- if (oldintp)
- (void) signal(SIGPIPE, oldintp);
- if (!cpend) {
- code = -1;
- return;
- }
- if (data >= 0) {
- (void) close(data);
- data = -1;
- }
- if (dout)
- (void) fclose(dout);
- (void) getreply(0);
- code = -1;
- if (closefunc != NULL && fin != NULL)
- (*closefunc)(fin);
- if (bytes > 0)
- ptransfer("sent", bytes, &start, &stop);
-}
-
-jmp_buf recvabort;
-
-void
-abortrecv()
-{
-
- mflag = 0;
- abrtflag = 0;
- printf("\nreceive aborted\nwaiting for remote to finish abort\n");
- (void) fflush(stdout);
- longjmp(recvabort, 1);
-}
-
-void
-recvrequest(cmd, local, remote, lmode, printnames)
- char *cmd, *local, *remote, *lmode;
- int printnames;
-{
- FILE *fout, *din = 0;
- int (*closefunc) __P((FILE *));
- sig_t oldintr, oldintp;
- int c, d, is_retr, tcrflag, bare_lfs = 0;
- static int 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 && *local != '-')
- 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) {
- (void) getreply(0);
- }
- if (data >= 0) {
- (void) close(data);
- data = -1;
- }
- if (oldintr)
- (void) signal(SIGINT, oldintr);
- code = -1;
- return;
- }
- oldintr = signal(SIGINT, abortrecv);
- if (strcmp(local, "-") && *local != '|') {
- if (access(local, 2) < 0) {
- char *dir = strrchr(local, '/');
-
- if (errno != ENOENT && errno != EACCES) {
- warn("local: %s", local);
- (void) 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);
- (void) signal(SIGINT, oldintr);
- code = -1;
- return;
- }
- if (!runique && errno == EACCES &&
- chmod(local, 0600) < 0) {
- warn("local: %s", local);
- (void) signal(SIGINT, oldintr);
- (void) signal(SIGINT, oldintr);
- code = -1;
- return;
- }
- if (runique && errno == EACCES &&
- (local = gunique(local)) == NULL) {
- (void) signal(SIGINT, oldintr);
- code = -1;
- return;
- }
- }
- else if (runique && (local = gunique(local)) == NULL) {
- (void) 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()) {
- (void) 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) {
- (void) signal(SIGINT, oldintr);
- return;
- }
- } else {
- if (command("%s", cmd) != PRELIM) {
- (void) signal(SIGINT, oldintr);
- return;
- }
- }
- din = dataconn("r");
- if (din == NULL)
- goto abort;
- if (strcmp(local, "-") == 0)
- fout = stdout;
- else if (*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;
- }
- if (fstat(fileno(fout), &st) < 0 || st.st_blksize == 0)
- st.st_blksize = BUFSIZ;
- if (st.st_blksize > bufsize) {
- if (buf)
- (void) free(buf);
- buf = malloc((unsigned)st.st_blksize);
- if (buf == NULL) {
- warn("malloc");
- bufsize = 0;
- goto abort;
- }
- bufsize = st.st_blksize;
- }
- (void) 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 = read(fileno(din), buf, bufsize)) > 0) {
- if ((d = write(fileno(fout), buf, c)) != c)
- break;
- bytes += c;
- if (hash) {
- while (bytes >= hashbytes) {
- (void) putchar('#');
- hashbytes += HASHBYTES;
- }
- (void) fflush(stdout);
- }
- }
- if (hash && bytes > 0) {
- if (bytes < HASHBYTES)
- (void) putchar('#');
- (void) putchar('\n');
- (void) 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 = 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 = getc(din)) != EOF) {
- if (c == '\n')
- bare_lfs++;
- while (c == '\r') {
- while (hash && (bytes >= hashbytes)) {
- (void) putchar('#');
- (void) fflush(stdout);
- hashbytes += HASHBYTES;
- }
- bytes++;
- if ((c = getc(din)) != '\n' || tcrflag) {
- if (ferror(fout))
- goto break2;
- (void) putc('\r', fout);
- if (c == '\0') {
- bytes++;
- goto contin2;
- }
- if (c == EOF)
- goto contin2;
- }
- }
- (void) 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)
- (void) putchar('#');
- (void) putchar('\n');
- (void) 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);
- (void) signal(SIGINT, oldintr);
- if (oldintp)
- (void) signal(SIGPIPE, oldintp);
- (void) gettimeofday(&stop, (struct timezone *)0);
- (void) fclose(din);
- (void) getreply(0);
- if (bytes > 0 && is_retr)
- ptransfer("received", bytes, &start, &stop);
- return;
-abort:
-
-/* abort using RFC959 recommended IP,SYNC sequence */
-
- (void) gettimeofday(&stop, (struct timezone *)0);
- if (oldintp)
- (void) signal(SIGPIPE, oldintr);
- (void) signal(SIGINT, SIG_IGN);
- if (!cpend) {
- code = -1;
- (void) signal(SIGINT, oldintr);
- return;
- }
-
- abort_remote(din);
- code = -1;
- if (data >= 0) {
- (void) close(data);
- data = -1;
- }
- if (closefunc != NULL && fout != NULL)
- (*closefunc)(fout);
- if (din)
- (void) fclose(din);
- if (bytes > 0)
- ptransfer("received", bytes, &start, &stop);
- (void) signal(SIGINT, oldintr);
-}
-
-/*
- * Need to start a listen on the data channel before we send the command,
- * otherwise the server's connect may fail.
- */
-int
-initconn()
-{
- char *p, *a;
- int result, len, tmpno = 0;
- int on = 1;
-
-noport:
- data_addr = myctladdr;
- if (sendport)
- data_addr.sin_port = 0; /* let system pick one */
- if (data != -1)
- (void) close(data);
- data = socket(AF_INET, SOCK_STREAM, 0);
- if (data < 0) {
- warn("socket");
- if (tmpno)
- sendport = 1;
- return (1);
- }
- if (!sendport)
- if (setsockopt(data, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof (on)) < 0) {
- warn("setsockopt (reuse address)");
- goto bad;
- }
- if (bind(data, (struct sockaddr *)&data_addr, sizeof (data_addr)) < 0) {
- warn("bind");
- goto bad;
- }
- if (options & SO_DEBUG &&
- setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on, sizeof (on)) < 0)
- warn("setsockopt (ignored)");
- len = sizeof (data_addr);
- if (getsockname(data, (struct sockaddr *)&data_addr, &len) < 0) {
- warn("getsockname");
- goto bad;
- }
- if (listen(data, 1) < 0)
- warn("listen");
- if (sendport) {
- a = (char *)&data_addr.sin_addr;
- p = (char *)&data_addr.sin_port;
-#define UC(b) (((int)b)&0xff)
- result =
- command("PORT %d,%d,%d,%d,%d,%d",
- UC(a[0]), UC(a[1]), UC(a[2]), UC(a[3]),
- UC(p[0]), UC(p[1]));
- if (result == ERROR && sendport == -1) {
- sendport = 0;
- tmpno = 1;
- goto noport;
- }
- return (result != COMPLETE);
- }
- if (tmpno)
- sendport = 1;
-#ifdef IP_TOS
- on = IPTOS_THROUGHPUT;
- if (setsockopt(data, IPPROTO_IP, IP_TOS, (char *)&on, sizeof(int)) < 0)
- warn("setsockopt TOS (ignored)");
-#endif
- return (0);
-bad:
- (void) close(data), data = -1;
- if (tmpno)
- sendport = 1;
- return (1);
-}
-
-FILE *
-dataconn(lmode)
- char *lmode;
-{
- struct sockaddr_in from;
- int s, fromlen = sizeof (from), tos;
-
- s = accept(data, (struct sockaddr *) &from, &fromlen);
- if (s < 0) {
- warn("accept");
- (void) close(data), data = -1;
- return (NULL);
- }
- (void) close(data);
- data = s;
-#ifdef IP_TOS
- tos = IPTOS_THROUGHPUT;
- if (setsockopt(s, IPPROTO_IP, IP_TOS, (char *)&tos, sizeof(int)) < 0)
- warn("setsockopt TOS (ignored)");
-#endif
- return (fdopen(data, lmode));
-}
-
-void
-ptransfer(direction, bytes, t0, t1)
- char *direction;
- long bytes;
- struct timeval *t0, *t1;
-{
- struct timeval td;
- float s, bs;
-
- if (verbose) {
- tvsub(&td, t1, t0);
- s = td.tv_sec + (td.tv_usec / 1000000.);
-#define nz(x) ((x) == 0 ? 1 : (x))
- bs = bytes / nz(s);
- printf("%ld bytes %s in %.2g seconds (%.2g Kbytes/s)\n",
- bytes, direction, s, bs / 1024.);
- }
-}
-
-/*
-void
-tvadd(tsum, t0)
- struct timeval *tsum, *t0;
-{
-
- tsum->tv_sec += t0->tv_sec;
- tsum->tv_usec += t0->tv_usec;
- if (tsum->tv_usec > 1000000)
- tsum->tv_sec++, tsum->tv_usec -= 1000000;
-}
-*/
-
-void
-tvsub(tdiff, t1, t0)
- struct timeval *tdiff, *t1, *t0;
-{
-
- tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
- tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
- if (tdiff->tv_usec < 0)
- tdiff->tv_sec--, tdiff->tv_usec += 1000000;
-}
-
-void
-psabort()
-{
-
- abrtflag++;
-}
-
-void
-pswitch(flag)
- int flag;
-{
- sig_t oldintr;
- static struct comvars {
- int connect;
- char name[MAXHOSTNAMELEN];
- struct sockaddr_in mctl;
- struct sockaddr_in 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) {
- (void) strncpy(ip->name, hostname, sizeof(ip->name) - 1);
- ip->name[strlen(ip->name)] = '\0';
- } else
- ip->name[0] = 0;
- hostname = op->name;
- ip->hctl = hisctladdr;
- hisctladdr = op->hctl;
- ip->mctl = myctladdr;
- myctladdr = 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;
- (void) strncpy(ip->nti, ntin, 16);
- (ip->nti)[strlen(ip->nti)] = '\0';
- (void) strcpy(ntin, op->nti);
- (void) strncpy(ip->nto, ntout, 16);
- (ip->nto)[strlen(ip->nto)] = '\0';
- (void) strcpy(ntout, op->nto);
- ip->mapflg = mapflag;
- mapflag = op->mapflg;
- (void) strncpy(ip->mi, mapin, MAXPATHLEN - 1);
- (ip->mi)[strlen(ip->mi)] = '\0';
- (void) strcpy(mapin, op->mi);
- (void) strncpy(ip->mo, mapout, MAXPATHLEN - 1);
- (ip->mo)[strlen(ip->mo)] = '\0';
- (void) strcpy(mapout, op->mo);
- (void) signal(SIGINT, oldintr);
- if (abrtflag) {
- abrtflag = 0;
- (*oldintr)(SIGINT);
- }
-}
-
-void
-abortpt()
-{
-
- printf("\n");
- (void) fflush(stdout);
- ptabflg++;
- mflag = 0;
- abrtflag = 0;
- longjmp(ptabort, 1);
-}
-
-void
-proxtrans(cmd, local, remote)
- char *cmd, *local, *remote;
-{
- sig_t oldintr;
- int secndflag = 0, prox_type, nfnd;
- char *cmd2;
- struct 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) {
- (void) signal(SIGINT, oldintr);
- pswitch(1);
- return;
- }
- sleep(2);
- pswitch(1);
- secndflag++;
- if (command("%s %s", cmd2, local) != PRELIM)
- goto abort;
- ptflag++;
- (void) getreply(0);
- pswitch(0);
- (void) getreply(0);
- (void) signal(SIGINT, oldintr);
- pswitch(1);
- ptflag = 0;
- printf("local: %s remote: %s\n", local, remote);
- return;
-abort:
- (void) 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;
- (void) 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;
- (void) 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();
- }
- (void) getreply(0);
- (void) getreply(0);
- }
- if (proxy)
- pswitch(0);
- pswitch(1);
- if (ptabflg)
- code = -1;
- (void) signal(SIGINT, oldintr);
-}
-
-void
-reset(argc, argv)
- int argc;
- char *argv[];
-{
- struct 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();
- }
- else if (nfnd) {
- (void) getreply(0);
- }
- }
-}
-
-char *
-gunique(local)
- 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 ((char *) 0);
- }
- (void) strcpy(new, local);
- cp = new + strlen(new);
- *cp++ = '.';
- while (!d) {
- if (++count == 100) {
- printf("runique: can't find unique file name.\n");
- return ((char *) 0);
- }
- *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(din)
- FILE *din;
-{
- char buf[BUFSIZ];
- int nfnd;
- struct 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
- */
- sprintf(buf, "%c%c%c", IAC, IP, IAC);
- if (send(fileno(cout), buf, 3, MSG_OOB) != 3)
- warn("abort");
- fprintf(cout,"%cABOR\r\n", DM);
- (void) 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();
- }
- 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 */
- (void) getreply(0);
- }
- (void) getreply(0);
-}
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