void sink(int argc, char *argv[]) { static BUF buffer; struct stat stb; struct timeval tv[2]; enum { YES, NO, DISPLAYED } wrerr; BUF *bp; off_t i, j, size; int amt, exists, first, mask, mode, ofd, omode; size_t count; int setimes, targisdir, wrerrno = 0; char ch, *cp, *np, *targ, *vect[1], buf[BUFSIZ], path[PATH_MAX]; const char *why; #define atime tv[0] #define mtime tv[1] #define SCREWUP(str) { why = str; goto screwup; } setimes = targisdir = 0; mask = umask(0); if (!pflag) (void)umask(mask); if (argc != 1) { run_err("ambiguous target"); exit(1); } targ = *argv; if (targetshouldbedirectory) verifydir(targ); (void)write(rem, "", 1); if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) targisdir = 1; for (first = 1;; first = 0) { cp = buf; if (read(rem, cp, 1) <= 0) return; if (*cp++ == '\n') SCREWUP("unexpected <newline>"); do { if (read(rem, &ch, sizeof(ch)) != sizeof(ch)) SCREWUP("lost connection"); *cp++ = ch; } while (cp < &buf[BUFSIZ - 1] && ch != '\n'); *cp = 0; if (buf[0] == '\01' || buf[0] == '\02') { if (iamremote == 0) (void)write(STDERR_FILENO, buf + 1, strlen(buf + 1)); if (buf[0] == '\02') exit(1); ++errs; continue; } if (buf[0] == 'E') { (void)write(rem, "", 1); return; } if (ch == '\n') *--cp = 0; cp = buf; if (*cp == 'T') { setimes++; cp++; mtime.tv_sec = strtol(cp, &cp, 10); if (!cp || *cp++ != ' ') SCREWUP("mtime.sec not delimited"); mtime.tv_usec = strtol(cp, &cp, 10); if (!cp || *cp++ != ' ') SCREWUP("mtime.usec not delimited"); atime.tv_sec = strtol(cp, &cp, 10); if (!cp || *cp++ != ' ') SCREWUP("atime.sec not delimited"); atime.tv_usec = strtol(cp, &cp, 10); if (!cp || *cp++ != '\0') SCREWUP("atime.usec not delimited"); (void)write(rem, "", 1); continue; } if (*cp != 'C' && *cp != 'D') { /* * Check for the case "rcp remote:foo\* local:bar". * In this case, the line "No match." can be returned * by the shell before the rcp command on the remote is * executed so the ^Aerror_message convention isn't * followed. */ if (first) { run_err("%s", cp); exit(1); } SCREWUP("expected control record"); } mode = 0; for (++cp; cp < buf + 5; cp++) { if (*cp < '0' || *cp > '7') SCREWUP("bad mode"); mode = (mode << 3) | (*cp - '0'); } if (*cp++ != ' ') SCREWUP("mode not delimited"); for (size = 0; isdigit(*cp);) size = size * 10 + (*cp++ - '0'); if (*cp++ != ' ') SCREWUP("size not delimited"); if (targisdir) { if (strlen(targ) + (*targ ? 1 : 0) + strlen(cp) >= sizeof(path)) { run_err("%s%s%s: name too long", targ, *targ ? "/" : "", cp); exit(1); } (void)snprintf(path, sizeof(path), "%s%s%s", targ, *targ ? "/" : "", cp); np = path; } else np = targ; exists = stat(np, &stb) == 0; if (buf[0] == 'D') { int mod_flag = pflag; if (exists) { if (!S_ISDIR(stb.st_mode)) { errno = ENOTDIR; goto bad; } if (pflag) (void)chmod(np, mode); } else { /* Handle copying from a read-only directory */ mod_flag = 1; if (mkdir(np, mode | S_IRWXU) < 0) goto bad; } vect[0] = np; sink(1, vect); if (setimes) { setimes = 0; if (utimes(np, tv) < 0) run_err("%s: set times: %s", np, strerror(errno)); } if (mod_flag) (void)chmod(np, mode); continue; } omode = mode; mode |= S_IWRITE; if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { bad: run_err("%s: %s", np, strerror(errno)); continue; } (void)write(rem, "", 1); if ((bp = allocbuf(&buffer, ofd, BUFSIZ)) == NULL) { (void)close(ofd); continue; } cp = bp->buf; wrerr = NO; for (count = i = 0; i < size; i += BUFSIZ) { amt = BUFSIZ; if (i + amt > size) amt = size - i; count += amt; do { j = read(rem, cp, amt); if (j <= 0) { run_err("%s", j ? strerror(errno) : "dropped connection"); exit(1); } amt -= j; cp += j; } while (amt > 0); if (count == bp->cnt) { /* Keep reading so we stay sync'd up. */ if (wrerr == NO) { j = write(ofd, bp->buf, count); if (j != (off_t)count) { wrerr = YES; wrerrno = j >= 0 ? EIO : errno; } } count = 0; cp = bp->buf; } } if (count != 0 && wrerr == NO && (j = write(ofd, bp->buf, count)) != (off_t)count) { wrerr = YES; wrerrno = j >= 0 ? EIO : errno; } if (ftruncate(ofd, size)) { run_err("%s: truncate: %s", np, strerror(errno)); wrerr = DISPLAYED; } if (pflag) { if (exists || omode != mode) if (fchmod(ofd, omode)) run_err("%s: set mode: %s", np, strerror(errno)); } else { if (!exists && omode != mode) if (fchmod(ofd, omode & ~mask)) run_err("%s: set mode: %s", np, strerror(errno)); } (void)close(ofd); (void)response(); if (setimes && wrerr == NO) { setimes = 0; if (utimes(np, tv) < 0) { run_err("%s: set times: %s", np, strerror(errno)); wrerr = DISPLAYED; } } switch(wrerr) { case YES: run_err("%s: %s", np, strerror(wrerrno)); break; case NO: (void)write(rem, "", 1); break; case DISPLAYED: break; } } screwup: run_err("protocol error: %s", why); exit(1); }
void sink(int argc, char **argv) { static BUF buffer; struct stat stb; enum { YES, NO, DISPLAYED } wrerr; BUF *bp; off_t i; size_t j, count; int amt, exists, first, ofd; mode_t mode, omode, mask; off_t size, statbytes; unsigned long long ull; int setimes, targisdir, wrerrno = 0; char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; struct timeval tv[2]; #define atime tv[0] #define mtime tv[1] #define SCREWUP(str) { why = str; goto screwup; } setimes = targisdir = 0; mask = umask(0); if (!pflag) (void) umask(mask); if (argc != 1) { run_err("ambiguous target"); exit(1); } targ = *argv; if (targetshouldbedirectory) verifydir(targ); (void) atomicio(vwrite, remout, "", 1); if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) targisdir = 1; for (first = 1;; first = 0) { cp = buf; if (atomicio(read, remin, cp, 1) != 1) return; if (*cp++ == '\n') SCREWUP("unexpected <newline>"); do { if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) SCREWUP("lost connection"); *cp++ = ch; } while (cp < &buf[sizeof(buf) - 1] && ch != '\n'); *cp = 0; if (verbose_mode) fprintf(stderr, "Sink: %s", buf); if (buf[0] == '\01' || buf[0] == '\02') { if (iamremote == 0) (void) atomicio(vwrite, STDERR_FILENO, buf + 1, strlen(buf + 1)); if (buf[0] == '\02') exit(1); ++errs; continue; } if (buf[0] == 'E') { (void) atomicio(vwrite, remout, "", 1); return; } if (ch == '\n') *--cp = 0; cp = buf; if (*cp == 'T') { setimes++; cp++; if (!isdigit((unsigned char)*cp)) SCREWUP("mtime.sec not present"); ull = strtoull(cp, &cp, 10); if (!cp || *cp++ != ' ') SCREWUP("mtime.sec not delimited"); if ((time_t)ull < 0 || (unsigned long long)(time_t)ull != ull) setimes = 0; /* out of range */ mtime.tv_sec = ull; mtime.tv_usec = strtol(cp, &cp, 10); if (!cp || *cp++ != ' ' || mtime.tv_usec < 0 || mtime.tv_usec > 999999) SCREWUP("mtime.usec not delimited"); if (!isdigit((unsigned char)*cp)) SCREWUP("atime.sec not present"); ull = strtoull(cp, &cp, 10); if (!cp || *cp++ != ' ') SCREWUP("atime.sec not delimited"); if ((time_t)ull < 0 || (unsigned long long)(time_t)ull != ull) setimes = 0; /* out of range */ atime.tv_sec = ull; atime.tv_usec = strtol(cp, &cp, 10); if (!cp || *cp++ != '\0' || atime.tv_usec < 0 || atime.tv_usec > 999999) SCREWUP("atime.usec not delimited"); (void) atomicio(vwrite, remout, "", 1); continue; } if (*cp != 'C' && *cp != 'D') { /* * Check for the case "rcp remote:foo\* local:bar". * In this case, the line "No match." can be returned * by the shell before the rcp command on the remote is * executed so the ^Aerror_message convention isn't * followed. */ if (first) { run_err("%s", cp); exit(1); } SCREWUP("expected control record"); } mode = 0; for (++cp; cp < buf + 5; cp++) { if (*cp < '0' || *cp > '7') SCREWUP("bad mode"); mode = (mode << 3) | (*cp - '0'); } if (*cp++ != ' ') SCREWUP("mode not delimited"); for (size = 0; isdigit((unsigned char)*cp);) size = size * 10 + (*cp++ - '0'); if (*cp++ != ' ') SCREWUP("size not delimited"); if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) { run_err("error: unexpected filename: %s", cp); exit(1); } if (targisdir) { static char *namebuf; static size_t cursize; size_t need; need = strlen(targ) + strlen(cp) + 250; if (need > cursize) { free(namebuf); namebuf = xmalloc(need); cursize = need; } (void) snprintf(namebuf, need, "%s%s%s", targ, strcmp(targ, "/") ? "/" : "", cp); np = namebuf; } else np = targ; curfile = cp; exists = stat(np, &stb) == 0; if (buf[0] == 'D') { int mod_flag = pflag; if (!iamrecursive) SCREWUP("received directory without -r"); if (exists) { if (!S_ISDIR(stb.st_mode)) { errno = ENOTDIR; goto bad; } if (pflag) (void) chmod(np, mode); } else { /* Handle copying from a read-only directory */ mod_flag = 1; if (mkdir(np, mode | S_IRWXU) < 0) goto bad; } vect[0] = xstrdup(np); sink(1, vect); if (setimes) { setimes = 0; if (utimes(vect[0], tv) < 0) run_err("%s: set times: %s", vect[0], strerror(errno)); } if (mod_flag) (void) chmod(vect[0], mode); free(vect[0]); continue; } omode = mode; mode |= S_IWUSR; if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { bad: run_err("%s: %s", np, strerror(errno)); continue; } (void) atomicio(vwrite, remout, "", 1); if ((bp = allocbuf(&buffer, ofd, COPY_BUFLEN)) == NULL) { (void) close(ofd); continue; } cp = bp->buf; wrerr = NO; statbytes = 0; if (showprogress) start_progress_meter(curfile, size, &statbytes); set_nonblock(remin); for (count = i = 0; i < size; i += bp->cnt) { amt = bp->cnt; if (i + amt > size) amt = size - i; count += amt; do { j = atomicio6(read, remin, cp, amt, scpio, &statbytes); if (j == 0) { run_err("%s", j != EPIPE ? strerror(errno) : "dropped connection"); exit(1); } amt -= j; cp += j; } while (amt > 0); if (count == bp->cnt) { /* Keep reading so we stay sync'd up. */ if (wrerr == NO) { if (atomicio(vwrite, ofd, bp->buf, count) != count) { wrerr = YES; wrerrno = errno; } } count = 0; cp = bp->buf; } } unset_nonblock(remin); if (showprogress) stop_progress_meter(); if (count != 0 && wrerr == NO && atomicio(vwrite, ofd, bp->buf, count) != count) { wrerr = YES; wrerrno = errno; } if (wrerr == NO && (!exists || S_ISREG(stb.st_mode)) && ftruncate(ofd, size) != 0) { run_err("%s: truncate: %s", np, strerror(errno)); wrerr = DISPLAYED; } if (pflag) { if (exists || omode != mode) #ifdef HAVE_FCHMOD if (fchmod(ofd, omode)) { #else /* HAVE_FCHMOD */ if (chmod(np, omode)) { #endif /* HAVE_FCHMOD */ run_err("%s: set mode: %s", np, strerror(errno)); wrerr = DISPLAYED; } } else { if (!exists && omode != mode) #ifdef HAVE_FCHMOD if (fchmod(ofd, omode & ~mask)) { #else /* HAVE_FCHMOD */ if (chmod(np, omode & ~mask)) { #endif /* HAVE_FCHMOD */ run_err("%s: set mode: %s", np, strerror(errno)); wrerr = DISPLAYED; } } if (close(ofd) == -1) { wrerr = YES; wrerrno = errno; } (void) response(); if (setimes && wrerr == NO) { setimes = 0; if (utimes(np, tv) < 0) { run_err("%s: set times: %s", np, strerror(errno)); wrerr = DISPLAYED; } } switch (wrerr) { case YES: run_err("%s: %s", np, strerror(wrerrno)); break; case NO: (void) atomicio(vwrite, remout, "", 1); break; case DISPLAYED: break; } } screwup: run_err("protocol error: %s", why); exit(1); } int response(void) { char ch, *cp, resp, rbuf[2048]; if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp)) lostconn(0); cp = rbuf; switch (resp) { case 0: /* ok */ return (0); default: *cp++ = resp; /* FALLTHROUGH */ case 1: /* error, followed by error msg */ case 2: /* fatal error, "" */ do { if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch)) lostconn(0); *cp++ = ch; } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n'); if (!iamremote) (void) atomicio(vwrite, STDERR_FILENO, rbuf, cp - rbuf); ++errs; if (resp == 1) return (-1); exit(1); } /* NOTREACHED */ } void usage(void) { (void) fprintf(stderr, "usage: scp [-12346BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]\n" " [-l limit] [-o ssh_option] [-P port] [-S program]\n" " [[user@]host1:]file1 ... [[user@]host2:]file2\n"); exit(1); }
int main(int argc, char *argv[]) { struct servent *sp; int ch, fflag, i, tflag; char *targ; /* * Prepare for execing ourselves. */ argc_copy = argc + 1; argv_copy = malloc((argc_copy + 1) * sizeof(*argv_copy)); if (argv_copy == NULL) err(1, "malloc"); argv_copy[0] = argv[0]; argv_copy[1] = "-K"; for (i = 1; i < argc; ++i) { argv_copy[i + 1] = strdup(argv[i]); if (argv_copy[i + 1] == NULL) errx(1, "strdup: out of memory"); } argv_copy[argc + 1] = NULL; fflag = tflag = 0; while ((ch = getopt(argc, argv, OPTIONS)) != -1) switch(ch) { /* User-visible flags. */ case '4': family = PF_INET; break; case '6': family = PF_INET6; break; case 'p': pflag = 1; break; case 'r': iamrecursive = 1; break; /* Server options. */ case 'd': targetshouldbedirectory = 1; break; case 'f': /* "from" */ iamremote = 1; fflag = 1; break; case 't': /* "to" */ iamremote = 1; tflag = 1; break; case '?': default: usage(); } argc -= optind; argv += optind; sp = getservbyname("shell", "tcp"); if (sp == NULL) errx(1, "shell/tcp: unknown service"); port = sp->s_port; if ((pwd = getpwuid(userid = getuid())) == NULL) errx(1, "unknown user %d", (int)userid); rem = STDIN_FILENO; /* XXX */ if (fflag) { /* Follow "protocol", send data. */ (void)response(); (void)setuid(userid); source(argc, argv); exit(errs); } if (tflag) { /* Receive data. */ (void)setuid(userid); sink(argc, argv); exit(errs); } if (argc < 2) usage(); if (argc > 2) targetshouldbedirectory = 1; rem = -1; /* Command to be executed on remote system using "rsh". */ (void)snprintf(cmd, sizeof(cmd), "rcp%s%s%s", iamrecursive ? " -r" : "", pflag ? " -p" : "", targetshouldbedirectory ? " -d" : ""); (void)signal(SIGPIPE, lostconn); if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ toremote(targ, argc, argv); else { tolocal(argc, argv); /* Dest is local host. */ if (targetshouldbedirectory) verifydir(argv[argc - 1]); } exit(errs); }
int main(int argc, char **argv) { int ch, fflag, tflag, status, n; char *targ, **newargv; const char *errstr; extern char *optarg; extern int optind; /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ sanitise_stdfd(); /* Copy argv, because we modify it */ newargv = xcalloc(MAX(argc + 1, 1), sizeof(*newargv)); for (n = 0; n < argc; n++) newargv[n] = xstrdup(argv[n]); argv = newargv; __progname = ssh_get_progname(argv[0]); memset(&args, '\0', sizeof(args)); memset(&remote_remote_args, '\0', sizeof(remote_remote_args)); args.list = remote_remote_args.list = NULL; addargs(&args, "%s", ssh_program); addargs(&args, "-x"); addargs(&args, "-oForwardAgent=no"); addargs(&args, "-oPermitLocalCommand=no"); addargs(&args, "-oClearAllForwardings=yes"); fflag = tflag = 0; while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q12346S:o:F:")) != -1) switch (ch) { /* User-visible flags. */ case '1': case '2': case '4': case '6': case 'C': addargs(&args, "-%c", ch); addargs(&remote_remote_args, "-%c", ch); break; case '3': throughlocal = 1; break; case 'o': case 'c': case 'i': case 'F': addargs(&remote_remote_args, "-%c", ch); addargs(&remote_remote_args, "%s", optarg); addargs(&args, "-%c", ch); addargs(&args, "%s", optarg); break; case 'P': addargs(&remote_remote_args, "-p"); addargs(&remote_remote_args, "%s", optarg); addargs(&args, "-p"); addargs(&args, "%s", optarg); break; case 'B': addargs(&remote_remote_args, "-oBatchmode=yes"); addargs(&args, "-oBatchmode=yes"); break; case 'l': limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024, &errstr); if (errstr != NULL) usage(); limit_kbps *= 1024; /* kbps */ bandwidth_limit_init(&bwlimit, limit_kbps, COPY_BUFLEN); break; case 'p': pflag = 1; break; case 'r': iamrecursive = 1; break; case 'S': ssh_program = xstrdup(optarg); break; case 'v': addargs(&args, "-v"); addargs(&remote_remote_args, "-v"); verbose_mode = 1; break; case 'q': addargs(&args, "-q"); addargs(&remote_remote_args, "-q"); showprogress = 0; break; /* Server options. */ case 'd': targetshouldbedirectory = 1; break; case 'f': /* "from" */ iamremote = 1; fflag = 1; break; case 't': /* "to" */ iamremote = 1; tflag = 1; #ifdef HAVE_CYGWIN setmode(0, O_BINARY); #endif break; default: usage(); } argc -= optind; argv += optind; if ((pwd = getpwuid(userid = getuid())) == NULL) fatal("unknown user %u", (u_int) userid); if (!isatty(STDOUT_FILENO)) showprogress = 0; remin = STDIN_FILENO; remout = STDOUT_FILENO; if (fflag) { /* Follow "protocol", send data. */ (void) response(); source(argc, argv); exit(errs != 0); } if (tflag) { /* Receive data. */ sink(argc, argv); exit(errs != 0); } if (argc < 2) usage(); if (argc > 2) targetshouldbedirectory = 1; remin = remout = -1; do_cmd_pid = -1; /* Command to be executed on remote system using "ssh". */ (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", verbose_mode ? " -v" : "", iamrecursive ? " -r" : "", pflag ? " -p" : "", targetshouldbedirectory ? " -d" : ""); (void) signal(SIGPIPE, lostconn); if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ toremote(targ, argc, argv); else { if (targetshouldbedirectory) verifydir(argv[argc - 1]); tolocal(argc, argv); /* Dest is local host. */ } /* * Finally check the exit status of the ssh process, if one was forked * and no error has occurred yet */ if (do_cmd_pid != -1 && errs == 0) { if (remin != -1) (void) close(remin); if (remout != -1) (void) close(remout); if (waitpid(do_cmd_pid, &status, 0) == -1) errs = 1; else { if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) errs = 1; } } exit(errs != 0); }
int main(int argc, char **argv) #endif { int ch, fflag, tflag, status; double speed; char *targ, *endp; extern char *optarg; extern int optind; /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ sanitise_stdfd(); memset(&args, '\0', sizeof(args)); args.list = NULL; addargs(&args, "%s", ssh_program); fflag = tflag = 0; while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246S:o:F:")) != -1) switch (ch) { /* User-visible flags. */ case '1': case '2': case '4': case '6': case 'C': addargs(&args, "-%c", ch); break; case 'o': case 'c': case 'i': case 'F': addargs(&args, "-%c%s", ch, optarg); break; case 'P': addargs(&args, "-p%s", optarg); break; case 'B': fprintf(stderr, "Note: -B option is disabled in this version of scp"); break; case 'l': speed = strtod(optarg, &endp); if (speed <= 0 || *endp != '\0') usage(); limit_rate = speed * 1024; break; case 'p': pflag = 1; break; case 'r': iamrecursive = 1; break; case 'S': ssh_program = xstrdup(optarg); break; case 'v': addargs(&args, "-v"); verbose_mode = 1; break; #ifdef PROGRESS_METER case 'q': addargs(&args, "-q"); showprogress = 0; break; #endif /* Server options. */ case 'd': targetshouldbedirectory = 1; break; case 'f': /* "from" */ iamremote = 1; fflag = 1; break; case 't': /* "to" */ iamremote = 1; tflag = 1; #ifdef HAVE_CYGWIN setmode(0, O_BINARY); #endif break; default: usage(); } argc -= optind; argv += optind; if ((pwd = getpwuid(userid = getuid())) == NULL) fatal("unknown user %u", (u_int) userid); if (!isatty(STDERR_FILENO)) showprogress = 0; remin = STDIN_FILENO; remout = STDOUT_FILENO; if (fflag) { /* Follow "protocol", send data. */ (void) response(); source(argc, argv); exit(errs != 0); } if (tflag) { /* Receive data. */ sink(argc, argv); exit(errs != 0); } if (argc < 2) usage(); if (argc > 2) targetshouldbedirectory = 1; remin = remout = -1; do_cmd_pid = -1; /* Command to be executed on remote system using "ssh". */ (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", verbose_mode ? " -v" : "", iamrecursive ? " -r" : "", pflag ? " -p" : "", targetshouldbedirectory ? " -d" : ""); (void) signal(SIGPIPE, lostconn); if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ toremote(targ, argc, argv); else { if (targetshouldbedirectory) verifydir(argv[argc - 1]); tolocal(argc, argv); /* Dest is local host. */ } /* * Finally check the exit status of the ssh process, if one was forked * and no error has occured yet */ if (do_cmd_pid != -1 && errs == 0) { if (remin != -1) (void) close(remin); if (remout != -1) (void) close(remout); if (waitpid(do_cmd_pid, &status, 0) == -1) errs = 1; else { if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) errs = 1; } } exit(errs != 0); }
int main(int argc, char **argv) { struct servent *sp; int ch, fflag, tflag; char *targ, *shell; fflag = tflag = 0; while ((ch = getopt(argc, argv, OPTIONS)) != EOF) switch(ch) { /* User-visible flags. */ case 'K': #ifdef KERBEROS use_kerberos = 0; #endif break; #ifdef KERBEROS case 'k': dest_realm = dst_realm_buf; (void)strncpy(dst_realm_buf, optarg, REALM_SZ); break; #ifdef CRYPT case 'x': doencrypt = 1; /* des_set_key(cred.session, schedule); */ break; #endif #endif case 'p': pflag = 1; break; case 'r': iamrecursive = 1; break; /* Server options. */ case 'd': targetshouldbedirectory = 1; break; case 'f': /* "from" */ iamremote = 1; fflag = 1; break; case 't': /* "to" */ iamremote = 1; tflag = 1; break; case '?': default: usage(); } argc -= optind; argv += optind; #ifdef KERBEROS if (use_kerberos) { #ifdef CRYPT shell = doencrypt ? "ekshell" : "kshell"; #else shell = "kshell"; #endif if ((sp = getservbyname(shell, "tcp")) == NULL) { use_kerberos = 0; oldw("can't get entry for %s/tcp service", shell); sp = getservbyname(shell = "shell", "tcp"); } } else sp = getservbyname(shell = "shell", "tcp"); #else sp = getservbyname(shell = "shell", "tcp"); #endif if (sp == NULL) errx(1, "%s/tcp: unknown service", shell); port = sp->s_port; if ((pwd = getpwuid(userid = getuid())) == NULL) errx(1, "unknown user %d", (int)userid); rem = STDIN_FILENO; /* XXX */ if (fflag) { /* Follow "protocol", send data. */ (void)response(); (void)setuid(userid); source(argc, argv); exit(errs); } if (tflag) { /* Receive data. */ (void)setuid(userid); sink(argc, argv); exit(errs); } if (argc < 2) usage(); if (argc > 2) targetshouldbedirectory = 1; rem = -1; /* Command to be executed on remote system using "rsh". */ #ifdef KERBEROS (void)snprintf(cmd, sizeof(cmd), "rcp%s%s%s%s", iamrecursive ? " -r" : "", #ifdef CRYPT (doencrypt && use_kerberos ? " -x" : ""), #else "", #endif pflag ? " -p" : "", targetshouldbedirectory ? " -d" : ""); #else (void)snprintf(cmd, sizeof(cmd), "rcp%s%s%s", iamrecursive ? " -r" : "", pflag ? " -p" : "", targetshouldbedirectory ? " -d" : ""); #endif (void)signal(SIGPIPE, lostconn); if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ toremote(targ, argc, argv); else { tolocal(argc, argv); /* Dest is local host. */ if (targetshouldbedirectory) verifydir(argv[argc - 1]); } exit(errs); }
int main(int argc, char **argv) { char *targ; int optind = 0; setprogname(argv[0]); if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv, &optind)) usage (1); if(help_flag) usage(0); if (version_flag) { print_version (NULL); return 0; } iamremote = (fflag || tflag); argc -= optind; argv += optind; if ((pwd = getpwuid(userid = getuid())) == NULL) errx(1, "unknown user %d", (int)userid); remin = STDIN_FILENO; /* XXX */ remout = STDOUT_FILENO; if (fflag) { /* Follow "protocol", send data. */ (void)response(); source(argc, argv); exit(errs); } if (tflag) { /* Receive data. */ sink(argc, argv); exit(errs); } if (argc < 2) usage(1); if (argc > 2) targetshouldbedirectory = 1; remin = remout = -1; /* Command to be executed on remote system using "rsh". */ snprintf(cmd, sizeof(cmd), "rcp%s%s%s", iamrecursive ? " -r" : "", pflag ? " -p" : "", targetshouldbedirectory ? " -d" : ""); signal(SIGPIPE, lostconn); if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ toremote(targ, argc, argv); else { tolocal(argc, argv); /* Dest is local host. */ if (targetshouldbedirectory) verifydir(argv[argc - 1]); } exit(errs); }
int main(int argc, char *argv[]) { struct servent *sp; int ch, fflag, tflag; char *targ; const char *shell; setprogname(argv[0]); (void)setlocale(LC_ALL, ""); fflag = tflag = 0; while ((ch = getopt(argc, argv, OPTIONS)) != -1) switch(ch) { /* User-visible flags. */ case '4': family = AF_INET; break; case '6': family = AF_INET6; break; case 'K': break; case 'p': pflag = 1; break; case 'r': iamrecursive = 1; break; /* Server options. */ case 'd': targetshouldbedirectory = 1; break; case 'f': /* "from" */ iamremote = 1; fflag = 1; break; case 't': /* "to" */ iamremote = 1; tflag = 1; break; case '?': default: usage(); } argc -= optind; argv += optind; sp = getservbyname(shell = "shell", "tcp"); if (sp == NULL) errx(1, "%s/tcp: unknown service", shell); port = sp->s_port; if ((pwd = getpwuid(userid = getuid())) == NULL) errx(1, "unknown user %d", (int)userid); if ((pwname = strdup(pwd->pw_name)) == NULL) err(1, NULL); rem = STDIN_FILENO; /* XXX */ if (fflag) { /* Follow "protocol", send data. */ (void)response(); source(argc, argv); exit(errs); } if (tflag) { /* Receive data. */ sink(argc, argv); exit(errs); } if (argc < 2) usage(); if (argc > 2) targetshouldbedirectory = 1; rem = -1; /* Command to be executed on remote system using "rsh". */ (void)snprintf(cmd, sizeof(cmd), "rcp%s%s%s", iamrecursive ? " -r" : "", pflag ? " -p" : "", targetshouldbedirectory ? " -d" : ""); (void)signal(SIGPIPE, lostconn); if ((targ = colon(argv[argc - 1])) != NULL)/* Dest is remote host. */ toremote(targ, argc, argv); else { tolocal(argc, argv); /* Dest is local host. */ if (targetshouldbedirectory) verifydir(argv[argc - 1]); } exit(errs); /* NOTREACHED */ }