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https://github.com/reactos/reactos.git
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1798 lines
36 KiB
C
1798 lines
36 KiB
C
/*
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* Copyright (c) 1985, 1989 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include "precomp.h"
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#include <signal.h>
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#define L_SET SEEK_SET
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#define L_INCR SEEK_CUR
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#define caddr_t void *
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#ifndef lint
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static char sccsid[] = "@(#)ftp.c 5.28 (Berkeley) 4/20/89";
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#endif /* not lint */
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#ifndef MAXHOSTNAMELEN
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#define MAXHOSTNAMELEN 64
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#endif
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#ifdef NOVFPRINTF
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#define vfprintf(a,b,c) _doprnt(b,c,a)
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#endif
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#ifdef sun
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/* FD_SET wasn't defined until 4.0. its a cheap test for uid_t presence */
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#ifndef FD_SET
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#define NBBY 8 /* number of bits in a byte */
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/*
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* Select uses bit masks of file descriptors in longs.
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* These macros manipulate such bit fields (the filesystem macros use chars).
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* FD_SETSIZE may be defined by the user, but the default here
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* should be >= NOFILE (param.h).
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*/
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#ifndef FD_SETSIZE
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#define FD_SETSIZE 256
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#endif
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typedef long fd_mask;
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#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */
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#ifndef howmany
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#define howmany(x, y) (((x)+((y)-1))/(y))
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#endif
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#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
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#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
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#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
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#define FD_ZERO(p) bzero((char *)(p), sizeof(*(p)))
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typedef int uid_t;
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typedef int gid_t;
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#endif
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#endif
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struct sockaddr_in hisctladdr;
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struct sockaddr_in data_addr;
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int data = -1;
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int abrtflag = 0;
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int ptflag = 0;
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int allbinary;
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struct sockaddr_in myctladdr;
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uid_t getuid();
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#ifdef __REACTOS__
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void lostpeer(void);
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#else
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sig_t lostpeer();
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#endif
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off_t restart_point = 0;
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SOCKET cin, cout;
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int dataconn(const char *mode);
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int command(const char *fmt, ...);
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char *hostname;
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typedef void (*Sig_t)(int);
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// Signal Handlers
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void psabort(int sig);
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char *hookup(const char *host, int port)
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{
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register struct hostent *hp = 0;
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int len;
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SOCKET s;
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static char hostnamebuf[80];
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bzero((char *)&hisctladdr, sizeof (hisctladdr));
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hisctladdr.sin_addr.s_addr = inet_addr(host);
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if (hisctladdr.sin_addr.s_addr != (unsigned long)-1) {
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hisctladdr.sin_family = AF_INET;
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(void) strncpy(hostnamebuf, host, sizeof(hostnamebuf));
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} else {
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hp = gethostbyname(host);
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if (hp == NULL) {
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fprintf(stderr, "ftp: %s: ", host);
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herror((char *)NULL);
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code = -1;
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return((char *) 0);
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}
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hisctladdr.sin_family = hp->h_addrtype;
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bcopy(hp->h_addr_list[0],
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(caddr_t)&hisctladdr.sin_addr, hp->h_length);
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(void) strncpy(hostnamebuf, hp->h_name, sizeof(hostnamebuf));
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}
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hostname = hostnamebuf;
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s = socket(hisctladdr.sin_family, SOCK_STREAM, 0);
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if (s == INVALID_SOCKET) {
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perror("ftp: socket");
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code = -1;
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return (0);
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}
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hisctladdr.sin_port = port;
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while (connect(s, (struct sockaddr *)&hisctladdr, sizeof (hisctladdr)) < 0) {
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if (hp && hp->h_addr_list[1]) {
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int oerrno = errno;
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fprintf(stderr, "ftp: connect to address %s: ",
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inet_ntoa(hisctladdr.sin_addr));
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errno = oerrno;
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perror((char *) 0);
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hp->h_addr_list++;
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bcopy(hp->h_addr_list[0],
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(caddr_t)&hisctladdr.sin_addr, hp->h_length);
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fprintf(stdout, "Trying %s...\n",
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inet_ntoa(hisctladdr.sin_addr));
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(void) fflush(stdout);
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(void) close(s);
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s = socket(hisctladdr.sin_family, SOCK_STREAM, 0);
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if (s == INVALID_SOCKET) {
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perror("ftp: socket");
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code = -1;
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return (0);
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}
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continue;
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}
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perror("ftp: connect");
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code = -1;
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goto bad;
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}
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len = sizeof (myctladdr);
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if (getsockname(s, (struct sockaddr *)&myctladdr, &len) < 0) {
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perror("ftp: getsockname");
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code = -1;
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goto bad;
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}
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cin = cout = s;
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if (verbose) {
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printf("Connected to %s.\n", hostname);
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(void) fflush(stdout);
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}
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if (getreply(0) > 2) { /* read startup message from server */
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closesocket(cin);
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code = -1;
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goto bad;
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}
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#ifdef SO_OOBINLINE
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{
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int on = 1;
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if (setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (const char *) &on, sizeof(on))
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< 0 && debug) {
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perror("ftp: setsockopt");
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}
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}
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#endif //SO_OOBINLINE
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return (hostname);
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bad:
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(void) close(s);
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return ((char *)0);
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}
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int login(const char *host)
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{
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char tmp[80];
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char *puser, *ppass, *pacct;
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const char *user, *pass, *acct;
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int n, aflag = 0;
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user = pass = acct = 0;
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n = ruserpass(host, &puser, &ppass, &pacct);
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if (n < 0) {
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code = -1;
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return(0);
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}
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if (0 != n) {
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user = puser;
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pass = ppass;
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acct = pacct;
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}
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while (user == NULL) {
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const char *myname = "none"; // This needs to become the username env
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if (myname)
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printf("Name (%s:%s): ", host, myname);
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else
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printf("Name (%s): ", host);
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(void) fflush(stdout);
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(void) fgets(tmp, sizeof(tmp) - 1, stdin);
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tmp[strlen(tmp) - 1] = '\0';
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if (*tmp == '\0')
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user = myname;
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else
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user = tmp;
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}
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n = command("USER %s", user);
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if (n == CONTINUE) {
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if (pass == NULL)
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pass = getpass("Password:");
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n = command("PASS %s", pass);
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fflush(stdin);
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}
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if (n == CONTINUE) {
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aflag++;
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acct = getpass("Account:");
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n = command("ACCT %s", acct);
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}
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if (n != COMPLETE) {
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fprintf(stderr, "Login failed.\n");
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return (0);
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}
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if (!aflag && acct != NULL)
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(void) command("ACCT %s", acct);
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if (proxy)
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return(1);
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for (n = 0; n < macnum; ++n) {
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if (!strcmp("init", macros[n].mac_name)) {
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(void) strcpy(line, "$init");
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makeargv();
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domacro(margc, margv);
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break;
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}
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}
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return (1);
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}
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static void
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cmdabort(int sig)
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{
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extern jmp_buf ptabort;
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printf("\n");
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(void) fflush(stdout);
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abrtflag++;
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if (ptflag)
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longjmp(ptabort,1);
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}
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/*VARARGS1*/
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int command(const char *fmt, ...)
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{
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va_list ap;
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int r;
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void (*oldintr)(int);
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abrtflag = 0;
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if (debug) {
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printf("---> ");
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va_start(ap, fmt);
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vfprintf(stdout, fmt, ap);
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va_end(ap);
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printf("\n");
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(void) fflush(stdout);
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}
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if (cout == 0) {
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perror ("No control connection for command");
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code = -1;
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return (0);
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}
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oldintr = signal(SIGINT,cmdabort);
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{
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char buffer[1024];
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va_start(ap, fmt);
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vsprintf(buffer, fmt, ap);
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va_end(ap);
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//DLJ: to work through firewalls - send the command as a single message
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strcat(buffer,"\r\n");
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fprintfSocket(cout, buffer);
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}
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//DLJ: the following two lines are replaced by the strcat above - seems to
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// make it work through firewalls.
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// fprintfSocket(cout, "\r\n");
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// (void) fflush(cout);
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cpend = 1;
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r = getreply(!strcmp(fmt, "QUIT"));
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if (abrtflag && oldintr != SIG_IGN)
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(*oldintr)(SIGINT);
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// (void) signal(SIGINT, oldintr);
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return(r);
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}
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char reply_string[BUFSIZ]; /* last line of previous reply */
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#include <ctype.h>
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int
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getreply(expecteof)
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int expecteof;
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{
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register int c, n;
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register int dig;
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register char *cp;
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int originalcode = 0, continuation = 0;
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void (*oldintr)(int);
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int pflag = 0;
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char *pt = pasv;
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oldintr = signal(SIGINT,cmdabort);
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for (;;) {
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dig = n = code = 0;
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cp = reply_string;
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while ((c = fgetcSocket(cin)) != '\n') {
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if (c == IAC) { /* handle telnet commands */
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switch (fgetcSocket(cin)) {
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case WILL:
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case WONT:
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c = fgetcSocket(cin);
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fprintfSocket(cout, "%c%c%c",IAC,DONT,c);
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break;
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case DO:
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case DONT:
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c = fgetcSocket(cin);
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fprintfSocket(cout, "%c%c%c",IAC,WONT,c);
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break;
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default:
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break;
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}
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continue;
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}
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dig++;
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if (c == EOF) {
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if (expecteof) {
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// (void) signal(SIGINT,oldintr);
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code = 221;
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return (0);
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}
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lostpeer();
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if (verbose) {
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printf("421 Service not available, remote server has closed connection\n");
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(void) fflush(stdout);
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}
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code = 421;
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return(4);
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}
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if (c != '\r' && (verbose > 0 ||
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(verbose > -1 && n == '5' && dig > 4))) {
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if (proxflag &&
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((dig == 1 || dig == 5) && verbose == 0))
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printf("%s:",hostname);
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(void) putchar(c);
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(void) fflush(stdout);
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}
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if (dig < 4 && isdigit(c))
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code = code * 10 + (c - '0');
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if (!pflag && code == 227)
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pflag = 1;
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if (dig > 4 && pflag == 1 && isdigit(c))
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pflag = 2;
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if (pflag == 2) {
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if (c != '\r' && c != ')')
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*pt++ = c;
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else {
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*pt = '\0';
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pflag = 3;
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}
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}
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if (dig == 4 && c == '-') {
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if (continuation)
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code = 0;
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continuation++;
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}
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if (n == 0)
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n = c;
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if (cp < &reply_string[sizeof(reply_string) - 1])
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*cp++ = c;
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}
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if (verbose > 0 || (verbose > -1 && n == '5')) {
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(void) putchar(c);
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(void) fflush (stdout);
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}
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if (continuation && code != originalcode) {
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if (originalcode == 0)
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originalcode = code;
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continue;
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}
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*cp = '\0';
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if (n != '1')
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cpend = 0;
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(void) signal(SIGINT,oldintr);
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if (code == 421 || originalcode == 421)
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lostpeer();
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if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN)
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(*oldintr)(SIGINT);
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return (n - '0');
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}
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}
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static int
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empty(mask, sec)
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struct fd_set *mask;
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int sec;
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{
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struct timeval t;
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t.tv_sec = (long) sec;
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t.tv_usec = 0;
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return(select(32, mask, (struct fd_set *) 0, (struct fd_set *) 0, &t));
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}
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jmp_buf sendabort;
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#if 0
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void abortsend()
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{
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mflag = 0;
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abrtflag = 0;
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printf("\nsend aborted\n");
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(void) fflush(stdout);
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longjmp(sendabort, 1);
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}
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#endif
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#define HASHBYTES 1024
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void sendrequest(const char *cmd, const char *local, const char *remote, int printnames)
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{
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FILE *fin;
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int dout = 0;
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int (*closefunc)();
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sig_t (*oldintr)(), (*oldintp)();
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char buf[BUFSIZ], *bufp;
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long bytes = 0, hashbytes = HASHBYTES;
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register int c, d;
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struct stat st;
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struct timeval start, stop;
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const char *mode;
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|
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if (verbose && printnames) {
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if (local && *local != '-')
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printf("local: %s ", local);
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if (remote)
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printf("remote: %s\n", remote);
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(void) fflush(stdout);
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}
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if (proxy) {
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proxtrans(cmd, local, remote);
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return;
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}
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closefunc = NULL;
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|
oldintr = NULL;
|
|
oldintp = NULL;
|
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mode = "w";
|
|
if (setjmp(sendabort)) {
|
|
while (cpend) {
|
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(void) getreply(0);
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|
}
|
|
if (data >= 0) {
|
|
(void) close(data);
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|
data = -1;
|
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}
|
|
if (oldintr)
|
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null();// (void) signal(SIGINT,oldintr);
|
|
if (oldintp)
|
|
null();// (void) signal(SIGPIPE,oldintp);
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|
code = -1;
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return;
|
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}
|
|
null();// oldintr = signal(SIGINT, abortsend);
|
|
if (strcmp(local, "-") == 0)
|
|
fin = stdin;
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|
else if (*local == '|') {
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|
null();// oldintp = signal(SIGPIPE,SIG_IGN);
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|
fin = _popen(local + 1, "r");
|
|
if (fin == NULL) {
|
|
perror(local + 1);
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
null();// (void) signal(SIGPIPE, oldintp);
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|
code = -1;
|
|
return;
|
|
}
|
|
closefunc = _pclose;
|
|
} else {
|
|
fin = fopen(local, "r");
|
|
if (fin == NULL) {
|
|
perror(local);
|
|
null();// (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) fflush(stdout);
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
fclose(fin);
|
|
code = -1;
|
|
return;
|
|
}
|
|
}
|
|
if (initconn()) {
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
if (oldintp)
|
|
null();// (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)) {
|
|
if (fseek(fin, (long) restart_point, 0) < 0) {
|
|
perror(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;
|
|
mode = "r+w";
|
|
}
|
|
if (remote) {
|
|
if (command("%s %s", cmd, remote) != PRELIM) {
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
if (oldintp)
|
|
null();// (void) signal(SIGPIPE, oldintp);
|
|
if (closefunc != NULL)
|
|
(*closefunc)(fin);
|
|
return;
|
|
}
|
|
} else
|
|
if (command("%s", cmd) != PRELIM) {
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
if (oldintp)
|
|
null();// (void) signal(SIGPIPE, oldintp);
|
|
if (closefunc != NULL)
|
|
(*closefunc)(fin);
|
|
return;
|
|
}
|
|
dout = dataconn(mode);
|
|
if (!dout)
|
|
goto abort;
|
|
(void) gettimeofday(&start, (struct timezone *)0);
|
|
null();// oldintp = signal(SIGPIPE, SIG_IGN);
|
|
switch (type) {
|
|
|
|
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 = send(dout, bufp, c, 0)) <= 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)
|
|
perror(local);
|
|
if (d <= 0) {
|
|
if (d == 0)
|
|
fprintf(stderr, "netout: write returned 0?\n");
|
|
else if (errno != EPIPE)
|
|
perror("netout");
|
|
bytes = -1;
|
|
}
|
|
break;
|
|
|
|
case TYPE_A:
|
|
{
|
|
char buf[1024];
|
|
static int bufsize = 1024;
|
|
int ipos=0;
|
|
|
|
while ((c = getc(fin)) != EOF) {
|
|
if (c == '\n') {
|
|
while (hash && (bytes >= hashbytes)) {
|
|
(void) putchar('#');
|
|
(void) fflush(stdout);
|
|
hashbytes += HASHBYTES;
|
|
}
|
|
// Szurgot: The following code is unnecessary on Win32.
|
|
// (void) fputcSocket(dout, '\r');
|
|
// bytes++;
|
|
}
|
|
|
|
if (ipos >= bufsize) {
|
|
fputSocket(dout,buf,ipos);
|
|
if(!hash) (void) putchar('.');
|
|
ipos=0;
|
|
}
|
|
buf[ipos]=c; ++ipos;
|
|
bytes++;
|
|
}
|
|
if (ipos) {
|
|
fputSocket(dout,buf,ipos);
|
|
ipos=0;
|
|
}
|
|
if (hash) {
|
|
if (bytes < hashbytes)
|
|
(void) putchar('#');
|
|
(void) putchar('\n');
|
|
(void) fflush(stdout);
|
|
}
|
|
else {
|
|
(void) putchar('.');
|
|
(void) putchar('\n');
|
|
(void) fflush(stdout);
|
|
}
|
|
if (ferror(fin))
|
|
perror(local);
|
|
// if (ferror(dout)) {
|
|
// if (errno != EPIPE)
|
|
// perror("netout");
|
|
// bytes = -1;
|
|
// }
|
|
break;
|
|
}
|
|
}
|
|
(void) gettimeofday(&stop, (struct timezone *)0);
|
|
if (closefunc != NULL)
|
|
(*closefunc)(fin);
|
|
if(closesocket(dout)) {
|
|
int iret=WSAGetLastError ();
|
|
fprintf(stdout,"Error closing socket(%d)\n",iret);
|
|
(void) fflush(stdout);
|
|
}
|
|
(void) getreply(0);
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
if (oldintp)
|
|
null();// (void) signal(SIGPIPE, oldintp);
|
|
if (bytes > 0)
|
|
ptransfer("sent", bytes, &start, &stop);
|
|
return;
|
|
abort:
|
|
(void) gettimeofday(&stop, (struct timezone *)0);
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
if (oldintp)
|
|
null();// (void) signal(SIGPIPE, oldintp);
|
|
if (!cpend) {
|
|
code = -1;
|
|
(*closefunc)(fin);
|
|
return;
|
|
}
|
|
if (data >= 0) {
|
|
(void) close(data);
|
|
data = -1;
|
|
}
|
|
if (dout)
|
|
if(closesocket(dout)) {
|
|
int iret=WSAGetLastError ();
|
|
fprintf(stdout,"Error closing socket(%d)\n",iret);
|
|
(void) fflush(stdout);
|
|
}
|
|
|
|
(void) getreply(0);
|
|
code = -1;
|
|
if (closefunc != NULL && fin != NULL)
|
|
(*closefunc)(fin);
|
|
if (bytes > 0)
|
|
ptransfer("sent", bytes, &start, &stop);
|
|
}
|
|
|
|
jmp_buf recvabort;
|
|
|
|
#if 0
|
|
void abortrecv()
|
|
{
|
|
|
|
mflag = 0;
|
|
abrtflag = 0;
|
|
printf("\n");
|
|
(void) fflush(stdout);
|
|
longjmp(recvabort, 1);
|
|
}
|
|
#endif
|
|
|
|
void recvrequest(const char *cmd, const char *local, const char *remote, const char *mode,
|
|
int printnames)
|
|
{
|
|
FILE *fout = stdout;
|
|
int din = 0;
|
|
int (*closefunc)();
|
|
void (*oldintr)(int), (*oldintp)(int);
|
|
int oldverbose = 0, oldtype = 0, is_retr, tcrflag, nfnd, bare_lfs = 0;
|
|
char msg;
|
|
// static char *buf; // Szurgot: Shouldn't this go SOMEWHERE?
|
|
char buf[1024];
|
|
static int bufsize = 1024;
|
|
long bytes = 0, hashbytes = HASHBYTES;
|
|
// struct
|
|
fd_set mask;
|
|
register int c;
|
|
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);
|
|
(void) fflush(stdout);
|
|
}
|
|
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)
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
code = -1;
|
|
return;
|
|
}
|
|
null();// oldintr = signal(SIGINT, abortrecv);
|
|
if (strcmp(local, "-") && *local != '|') {
|
|
#ifndef _WIN32
|
|
register int d;
|
|
// This whole thing is a problem... access Won't work on non-existent files
|
|
if (access(local, 2) < 0) {
|
|
char *dir = rindex(local, '/');
|
|
|
|
if (errno != ENOENT && errno != EACCES) {
|
|
perror(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) {
|
|
perror(local);
|
|
(void) signal(SIGINT, oldintr);
|
|
code = -1;
|
|
return;
|
|
}
|
|
if (!runique && errno == EACCES &&
|
|
chmod(local, 0600) < 0) {
|
|
perror(local);
|
|
(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;
|
|
}
|
|
#endif
|
|
}
|
|
if (initconn()) {
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
code = -1;
|
|
return;
|
|
}
|
|
if (setjmp(recvabort))
|
|
goto abort;
|
|
if (!is_retr) {
|
|
if (type != TYPE_A && (allbinary == 0 || type != TYPE_I)) {
|
|
oldtype = type;
|
|
oldverbose = verbose;
|
|
if (!debug)
|
|
verbose = 0;
|
|
setascii(0, NULL);
|
|
verbose = oldverbose;
|
|
}
|
|
} else if (restart_point) {
|
|
if (command("REST %ld", (long) restart_point) != CONTINUE)
|
|
return;
|
|
}
|
|
if (remote) {
|
|
if (command("%s %s", cmd, remote) != PRELIM) {
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
if (oldtype) {
|
|
if (!debug)
|
|
verbose = 0;
|
|
switch (oldtype) {
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
verbose = oldverbose;
|
|
}
|
|
return;
|
|
}
|
|
} else {
|
|
if (command("%s", cmd) != PRELIM) {
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
if (oldtype) {
|
|
if (!debug)
|
|
verbose = 0;
|
|
switch (oldtype) {
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
verbose = oldverbose;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
din = dataconn("r");
|
|
if (!din)
|
|
goto abort;
|
|
if (strcmp(local, "-") == 0)
|
|
fout = stdout;
|
|
else if (*local == '|') {
|
|
null();// oldintp = signal(SIGPIPE, SIG_IGN);
|
|
fout = _popen(local + 1, "w");
|
|
if (fout == NULL) {
|
|
perror(local+1);
|
|
goto abort;
|
|
}
|
|
closefunc = _pclose;
|
|
} else {
|
|
fout = fopen(local, mode);
|
|
if (fout == NULL) {
|
|
perror(local);
|
|
goto abort;
|
|
}
|
|
closefunc = fclose;
|
|
}
|
|
(void) gettimeofday(&start, (struct timezone *)0);
|
|
switch (type) {
|
|
|
|
case TYPE_I:
|
|
case TYPE_L:
|
|
if (restart_point &&
|
|
lseek(fileno(fout), (long) restart_point, L_SET) < 0) {
|
|
perror(local);
|
|
if (closefunc != NULL)
|
|
(*closefunc)(fout);
|
|
return;
|
|
}
|
|
errno = 0;
|
|
// while ((c = recv(din, buf, bufsize, 1)) > 0) {
|
|
// if ((d = write(fileno(fout), buf, c)) != c)
|
|
// if ((d = write(fileno(fout), buf, c)) != c)
|
|
// break;
|
|
while ((c = recv(din, buf, bufsize, 0)) > 0) {
|
|
write(fileno(fout), buf, c);
|
|
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)
|
|
// perror("netin");
|
|
// bytes = -1;
|
|
// }
|
|
// if (d < c) {
|
|
// if (d < 0)
|
|
// perror(local);
|
|
// else
|
|
// fprintf(stderr, "%s: short write\n", local);
|
|
// }
|
|
break;
|
|
|
|
case TYPE_A:
|
|
if (restart_point) {
|
|
register int i, n, c;
|
|
|
|
if (fseek(fout, 0L, L_SET) < 0)
|
|
goto done;
|
|
n = restart_point;
|
|
i = 0;
|
|
while (i++ < n) {
|
|
if ((c=getc(fout)) == EOF)
|
|
goto done;
|
|
if (c == '\n')
|
|
i++;
|
|
}
|
|
if (fseek(fout, 0L, L_INCR) < 0) {
|
|
done:
|
|
perror(local);
|
|
if (closefunc != NULL)
|
|
(*closefunc)(fout);
|
|
return;
|
|
}
|
|
}
|
|
while ((c = fgetcSocket(din)) != EOF) {
|
|
if (c == '\n')
|
|
bare_lfs++;
|
|
while (c == '\r') {
|
|
while (hash && (bytes >= hashbytes)) {
|
|
(void) putchar('#');
|
|
(void) fflush(stdout);
|
|
hashbytes += HASHBYTES;
|
|
}
|
|
bytes++;
|
|
if ((c = fgetcSocket(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");
|
|
(void) fflush(stdout);
|
|
}
|
|
if (hash) {
|
|
if (bytes < hashbytes)
|
|
(void) putchar('#');
|
|
(void) putchar('\n');
|
|
(void) fflush(stdout);
|
|
}
|
|
// if (ferror(din)) {
|
|
// if (errno != EPIPE)
|
|
// perror("netin");
|
|
// bytes = -1;
|
|
// }
|
|
if (ferror(fout))
|
|
perror(local);
|
|
break;
|
|
}
|
|
if (closefunc != NULL)
|
|
(*closefunc)(fout);
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
if (oldintp)
|
|
null();// (void) signal(SIGPIPE, oldintp);
|
|
(void) gettimeofday(&stop, (struct timezone *)0);
|
|
if(closesocket(din)) {
|
|
int iret=WSAGetLastError ();
|
|
fprintf(stdout,"Error closing socket(%d)\n",iret);
|
|
(void) fflush(stdout);
|
|
}
|
|
|
|
(void) getreply(0);
|
|
if (bytes > 0 && is_retr)
|
|
ptransfer("received", bytes, &start, &stop);
|
|
if (oldtype) {
|
|
if (!debug)
|
|
verbose = 0;
|
|
switch (oldtype) {
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
verbose = oldverbose;
|
|
}
|
|
return;
|
|
abort:
|
|
|
|
/* abort using RFC959 recommended IP,SYNC sequence */
|
|
|
|
(void) gettimeofday(&stop, (struct timezone *)0);
|
|
if (oldintp)
|
|
null();// (void) signal(SIGPIPE, oldintr);
|
|
null();// (void) signal(SIGINT,SIG_IGN);
|
|
if (oldtype) {
|
|
if (!debug)
|
|
verbose = 0;
|
|
switch (oldtype) {
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
verbose = oldverbose;
|
|
}
|
|
if (!cpend) {
|
|
code = -1;
|
|
null();// (void) signal(SIGINT,oldintr);
|
|
return;
|
|
}
|
|
|
|
fprintfSocket(cout,"%c%c",IAC,IP);
|
|
msg = (char)IAC;
|
|
/* send IAC in urgent mode instead of DM because UNIX places oob mark */
|
|
/* after urgent byte rather than before as now is protocol */
|
|
if (send(cout,&msg,1,MSG_OOB) != 1) {
|
|
perror("abort");
|
|
}
|
|
fprintfSocket(cout,"%cABOR\r\n",DM);
|
|
FD_ZERO(&mask);
|
|
FD_SET(cin, &mask); // Need to correct this
|
|
if (din) {
|
|
FD_SET(din, &mask); // Need to correct this
|
|
}
|
|
if ((nfnd = empty(&mask,10)) <= 0) {
|
|
if (nfnd < 0) {
|
|
perror("abort");
|
|
}
|
|
code = -1;
|
|
lostpeer();
|
|
}
|
|
if (din && FD_ISSET(din, &mask)) {
|
|
while (recv(din, buf, bufsize, 0) > 0)
|
|
;
|
|
}
|
|
if (getreply(0) == ERROR && code == 552) { /* needed for nic style abort */
|
|
if (data >= 0) {
|
|
(void) close(data);
|
|
data = -1;
|
|
}
|
|
(void) getreply(0);
|
|
}
|
|
(void) getreply(0);
|
|
code = -1;
|
|
if (data >= 0) {
|
|
(void) close(data);
|
|
data = -1;
|
|
}
|
|
if (closefunc != NULL && fout != NULL)
|
|
(*closefunc)(fout);
|
|
if (din)
|
|
if(closesocket(din)) {
|
|
int iret=WSAGetLastError ();
|
|
fprintf(stdout,"Error closing socket(%d)\n",iret);
|
|
(void) fflush(stdout);
|
|
}
|
|
|
|
if (bytes > 0)
|
|
ptransfer("received", bytes, &start, &stop);
|
|
null();// (void) signal(SIGINT,oldintr);
|
|
}
|
|
|
|
int
|
|
initconn()
|
|
{
|
|
register char *p, *a;
|
|
int result, len, tmpno = 0;
|
|
int on = 1;
|
|
int a0, a1, a2, a3, p0, p1;
|
|
|
|
|
|
if (passivemode) {
|
|
data = socket(AF_INET, SOCK_STREAM, 0);
|
|
if (data < 0) {
|
|
perror("ftp: socket");
|
|
return(1);
|
|
}
|
|
if ((options & SO_DEBUG) &&
|
|
setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on,
|
|
sizeof (on)) < 0)
|
|
perror("ftp: setsockopt (ignored)");
|
|
if (command("PASV") != COMPLETE) {
|
|
printf("Passive mode refused.\n");
|
|
goto bad;
|
|
}
|
|
|
|
/*
|
|
* 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(pasv,"%d,%d,%d,%d,%d,%d",
|
|
&a0, &a1, &a2, &a3, &p0, &p1) != 6) {
|
|
printf("Passive mode address scan failure. Shouldn't happen!\n");
|
|
goto bad;
|
|
}
|
|
|
|
bzero(&data_addr, sizeof(data_addr));
|
|
data_addr.sin_family = AF_INET;
|
|
a = (char *)&data_addr.sin_addr.s_addr;
|
|
a[0] = a0 & 0xff;
|
|
a[1] = a1 & 0xff;
|
|
a[2] = a2 & 0xff;
|
|
a[3] = a3 & 0xff;
|
|
p = (char *)&data_addr.sin_port;
|
|
p[0] = p0 & 0xff;
|
|
p[1] = p1 & 0xff;
|
|
|
|
if (connect(data, (struct sockaddr *)&data_addr,
|
|
sizeof(data_addr)) < 0) {
|
|
perror("ftp: connect");
|
|
goto bad;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
|
|
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) {
|
|
perror("ftp: socket");
|
|
if (tmpno)
|
|
sendport = 1;
|
|
return (1);
|
|
}
|
|
if (!sendport)
|
|
if (setsockopt(data, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof (on)) < 0) {
|
|
perror("ftp: setsockopt (reuse address)");
|
|
goto bad;
|
|
}
|
|
if (bind(data, (struct sockaddr *)&data_addr, sizeof (data_addr)) < 0) {
|
|
perror("ftp: bind");
|
|
goto bad;
|
|
}
|
|
if (options & SO_DEBUG &&
|
|
setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on, sizeof (on)) < 0)
|
|
perror("ftp: setsockopt (ignored)");
|
|
len = sizeof (data_addr);
|
|
if (getsockname(data, (struct sockaddr *)&data_addr, &len) < 0) {
|
|
perror("ftp: getsockname");
|
|
goto bad;
|
|
}
|
|
if (listen(data, 1) < 0)
|
|
perror("ftp: 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;
|
|
return (0);
|
|
bad:
|
|
(void) fflush(stdout);
|
|
(void) close(data), data = -1;
|
|
if (tmpno)
|
|
sendport = 1;
|
|
return (1);
|
|
}
|
|
|
|
int dataconn(const char *mode)
|
|
{
|
|
struct sockaddr_in from;
|
|
int s, fromlen = sizeof (from);
|
|
|
|
if (passivemode)
|
|
return (data);
|
|
|
|
s = accept(data, (struct sockaddr *) &from, &fromlen);
|
|
if (s < 0) {
|
|
perror("ftp: accept");
|
|
(void) closesocket(data), data = -1;
|
|
return 0;
|
|
}
|
|
if(closesocket(data)) {
|
|
int iret=WSAGetLastError ();
|
|
fprintf(stdout,"Error closing socket(%d)\n",iret);
|
|
(void) fflush(stdout);
|
|
}
|
|
|
|
data = s;
|
|
return (data);
|
|
}
|
|
|
|
void ptransfer(direction, bytes, t0, t1)
|
|
const char *direction;
|
|
long bytes;
|
|
struct timeval *t0, *t1;
|
|
{
|
|
struct timeval td;
|
|
double 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 %.1f seconds (%.0f Kbytes/s)\n",
|
|
bytes, direction, s, bs / 1024.);
|
|
(void) fflush(stdout);
|
|
}
|
|
}
|
|
|
|
/*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(int flag)
|
|
{
|
|
extern int abrtflag;
|
|
|
|
abrtflag++;
|
|
}
|
|
|
|
void pswitch(int flag)
|
|
{
|
|
extern int proxy, abrtflag;
|
|
Sig_t oldintr;
|
|
static struct comvars {
|
|
int connect;
|
|
char name[MAXHOSTNAMELEN];
|
|
struct sockaddr_in mctl;
|
|
struct sockaddr_in hctl;
|
|
SOCKET in;
|
|
SOCKET out;
|
|
int tpe;
|
|
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;
|
|
if (!type)
|
|
type = 1;
|
|
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)(1);
|
|
}
|
|
}
|
|
|
|
jmp_buf ptabort;
|
|
int ptabflg;
|
|
|
|
#if 0
|
|
void
|
|
abortpt()
|
|
{
|
|
printf("\n");
|
|
(void) fflush(stdout);
|
|
ptabflg++;
|
|
mflag = 0;
|
|
abrtflag = 0;
|
|
longjmp(ptabort, 1);
|
|
}
|
|
#endif
|
|
|
|
void proxtrans(cmd, local, remote)
|
|
const char *cmd, *local, *remote;
|
|
{
|
|
// void (*oldintr)(int);
|
|
int tmptype, oldtype = 0, secndflag = 0, nfnd;
|
|
extern jmp_buf ptabort;
|
|
const char *cmd2;
|
|
// struct
|
|
fd_set mask;
|
|
|
|
if (strcmp(cmd, "RETR"))
|
|
cmd2 = "RETR";
|
|
else
|
|
cmd2 = runique ? "STOU" : "STOR";
|
|
if (command("PASV") != COMPLETE) {
|
|
printf("proxy server does not support third part transfers.\n");
|
|
(void) fflush(stdout);
|
|
return;
|
|
}
|
|
tmptype = type;
|
|
pswitch(0);
|
|
if (!connected) {
|
|
printf("No primary connection\n");
|
|
(void) fflush(stdout);
|
|
pswitch(1);
|
|
code = -1;
|
|
return;
|
|
}
|
|
if (type != tmptype) {
|
|
oldtype = type;
|
|
switch (tmptype) {
|
|
case TYPE_A:
|
|
setascii(0, NULL);
|
|
break;
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
}
|
|
if (command("PORT %s", pasv) != COMPLETE) {
|
|
switch (oldtype) {
|
|
case 0:
|
|
break;
|
|
case TYPE_A:
|
|
setascii(0, NULL);
|
|
break;
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
pswitch(1);
|
|
return;
|
|
}
|
|
if (setjmp(ptabort))
|
|
goto abort;
|
|
null();// oldintr = signal(SIGINT, abortpt);
|
|
if (command("%s %s", cmd, remote) != PRELIM) {
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
switch (oldtype) {
|
|
case 0:
|
|
break;
|
|
case TYPE_A:
|
|
setascii(0, NULL);
|
|
break;
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
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);
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
switch (oldtype) {
|
|
case 0:
|
|
break;
|
|
case TYPE_A:
|
|
setascii(0, NULL);
|
|
break;
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
pswitch(1);
|
|
ptflag = 0;
|
|
printf("local: %s remote: %s\n", local, remote);
|
|
(void) fflush(stdout);
|
|
return;
|
|
abort:
|
|
null();// (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);
|
|
switch (oldtype) {
|
|
case 0:
|
|
break;
|
|
case TYPE_A:
|
|
setascii(0, NULL);
|
|
break;
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
if (cpend) {
|
|
char msg[2];
|
|
|
|
fprintfSocket(cout,"%c%c",IAC,IP);
|
|
*msg = (char) IAC;
|
|
*(msg+1) = (char) DM;
|
|
if (send(cout,msg,2,MSG_OOB) != 2)
|
|
perror("abort");
|
|
fprintfSocket(cout,"ABOR\r\n");
|
|
FD_ZERO(&mask);
|
|
// FD_SET(fileno(cin), &mask); // Chris: Need to correct this
|
|
if ((nfnd = empty(&mask,10)) <= 0) {
|
|
if (nfnd < 0) {
|
|
perror("abort");
|
|
}
|
|
if (ptabflg)
|
|
code = -1;
|
|
lostpeer();
|
|
}
|
|
(void) getreply(0);
|
|
(void) getreply(0);
|
|
}
|
|
}
|
|
pswitch(1);
|
|
if (ptabflg)
|
|
code = -1;
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
return;
|
|
}
|
|
if (cpend) {
|
|
char msg[2];
|
|
|
|
fprintfSocket(cout,"%c%c",IAC,IP);
|
|
*msg = (char)IAC;
|
|
*(msg+1) = (char)DM;
|
|
if (send(cout,msg,2,MSG_OOB) != 2)
|
|
perror("abort");
|
|
fprintfSocket(cout,"ABOR\r\n");
|
|
FD_ZERO(&mask);
|
|
// FD_SET(fileno(cin), &mask); // Chris: Need to correct this...
|
|
if ((nfnd = empty(&mask,10)) <= 0) {
|
|
if (nfnd < 0) {
|
|
perror("abort");
|
|
}
|
|
if (ptabflg)
|
|
code = -1;
|
|
lostpeer();
|
|
}
|
|
(void) getreply(0);
|
|
(void) getreply(0);
|
|
}
|
|
pswitch(!proxy);
|
|
if (!cpend && !secndflag) { /* only if cmd = "RETR" (proxy=1) */
|
|
if (command("%s %s", cmd2, local) != PRELIM) {
|
|
pswitch(0);
|
|
switch (oldtype) {
|
|
case 0:
|
|
break;
|
|
case TYPE_A:
|
|
setascii(0, NULL);
|
|
break;
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
if (cpend) {
|
|
char msg[2];
|
|
|
|
fprintfSocket(cout,"%c%c",IAC,IP);
|
|
*msg = (char)IAC;
|
|
*(msg+1) = (char)DM;
|
|
if (send(cout,msg,2,MSG_OOB) != 2)
|
|
perror("abort");
|
|
fprintfSocket(cout,"ABOR\r\n");
|
|
FD_ZERO(&mask);
|
|
// FD_SET(fileno(cin), &mask); // Chris:
|
|
if ((nfnd = empty(&mask,10)) <= 0) {
|
|
if (nfnd < 0) {
|
|
perror("abort");
|
|
}
|
|
if (ptabflg)
|
|
code = -1;
|
|
lostpeer();
|
|
}
|
|
(void) getreply(0);
|
|
(void) getreply(0);
|
|
}
|
|
pswitch(1);
|
|
if (ptabflg)
|
|
code = -1;
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
return;
|
|
}
|
|
}
|
|
if (cpend) {
|
|
char msg[2];
|
|
|
|
fprintfSocket(cout,"%c%c",IAC,IP);
|
|
*msg = (char)IAC;
|
|
*(msg+1) = (char)DM;
|
|
if (send(cout,msg,2,MSG_OOB) != 2)
|
|
perror("abort");
|
|
fprintfSocket(cout,"ABOR\r\n");
|
|
FD_ZERO(&mask);
|
|
// FD_SET(fileno(cin), &mask); // Chris:
|
|
if ((nfnd = empty(&mask,10)) <= 0) {
|
|
if (nfnd < 0) {
|
|
perror("abort");
|
|
}
|
|
if (ptabflg)
|
|
code = -1;
|
|
lostpeer();
|
|
}
|
|
(void) getreply(0);
|
|
(void) getreply(0);
|
|
}
|
|
pswitch(!proxy);
|
|
if (cpend) {
|
|
FD_ZERO(&mask);
|
|
// FD_SET(fileno(cin), &mask); // Chris:
|
|
if ((nfnd = empty(&mask,10)) <= 0) {
|
|
if (nfnd < 0) {
|
|
perror("abort");
|
|
}
|
|
if (ptabflg)
|
|
code = -1;
|
|
lostpeer();
|
|
}
|
|
(void) getreply(0);
|
|
(void) getreply(0);
|
|
}
|
|
if (proxy)
|
|
pswitch(0);
|
|
switch (oldtype) {
|
|
case 0:
|
|
break;
|
|
case TYPE_A:
|
|
setascii(0, NULL);
|
|
break;
|
|
case TYPE_I:
|
|
setbinary(0, NULL);
|
|
break;
|
|
case TYPE_E:
|
|
setebcdic();
|
|
break;
|
|
case TYPE_L:
|
|
settenex(0, NULL);
|
|
break;
|
|
}
|
|
pswitch(1);
|
|
if (ptabflg)
|
|
code = -1;
|
|
null();// (void) signal(SIGINT, oldintr);
|
|
}
|
|
|
|
void reset(int argc, const char *argv[])
|
|
{
|
|
// struct
|
|
fd_set mask;
|
|
int nfnd = 1;
|
|
|
|
FD_ZERO(&mask);
|
|
while (nfnd > 0) {
|
|
// FD_SET(fileno(cin), &mask); // Chris
|
|
if ((nfnd = empty(&mask,0)) < 0) {
|
|
perror("reset");
|
|
code = -1;
|
|
lostpeer();
|
|
}
|
|
else if (nfnd) {
|
|
(void) getreply(0);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
char *
|
|
gunique(local)
|
|
char *local;
|
|
{
|
|
static char new[MAXPATHLEN];
|
|
char *cp = rindex(local, '/');
|
|
int d, count=0;
|
|
char ext = '1';
|
|
|
|
if (cp)
|
|
*cp = '\0';
|
|
d = access(cp ? local : ".", 2);
|
|
if (cp)
|
|
*cp = '/';
|
|
if (d < 0) {
|
|
perror(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");
|
|
(void) fflush(stdout);
|
|
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);
|
|
}
|
|
#endif
|
|
|
|
int null(void)
|
|
{
|
|
return 0;
|
|
}
|