+/*
+ * Copyright (c) 1983, 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * %sccs.include.redist.c%
+ */
+
#ifndef lint
-static char sccsid[] = "@(#)rcp.c 4.12 85/02/20";
-#endif
+char copyright[] =
+"@(#) Copyright (c) 1983, 1990 The Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)rcp.c 5.32 (Berkeley) %G%";
+#endif /* not lint */
/*
* rcp
*/
#include <sys/param.h>
#include <sys/stat.h>
+#include <sys/time.h>
#include <sys/ioctl.h>
-
+#include <sys/socket.h>
+#include <sys/wait.h>
#include <netinet/in.h>
-
-#include <stdio.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <dirent.h>
+#include <fcntl.h>
#include <signal.h>
#include <pwd.h>
-#include <ctype.h>
#include <netdb.h>
#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include "pathnames.h"
+
+#ifdef KERBEROS
+#include <kerberosIV/des.h>
+#include <kerberosIV/krb.h>
+char dst_realm_buf[REALM_SZ];
+char *dest_realm = NULL;
+int use_kerberos = 1;
+CREDENTIALS cred;
+Key_schedule schedule;
+extern char *krb_realmofhost();
+#define OPTIONS "dfk:prt"
+#else
+#define OPTIONS "dfprt"
+#endif
-int rem;
-char *colon(), *index(), *rindex(), *malloc(), *strcpy(), *sprintf();
-int errs;
-int lostconn();
-int iamremote;
+struct passwd *pwd;
+u_short port;
+uid_t userid;
+int errs, rem;
+int pflag, iamremote, iamrecursive, targetshouldbedirectory;
-int errno;
-char *sys_errlist[];
-int iamremote, targetshouldbedirectory;
-int iamrecursive;
-struct passwd *pwd;
-struct passwd *getpwuid();
-struct servent *sp;
+#define CMDNEEDS 64
+char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */
-/*VARARGS*/
-int error();
+typedef struct _buf {
+ int cnt;
+ char *buf;
+} BUF;
-#define ga() (void) write(rem, "", 1)
+void lostconn();
main(argc, argv)
int argc;
char **argv;
{
- char *targ, *host, *src;
- char *suser, *tuser;
- int i;
- char buf[BUFSIZ], cmd[16];
+ extern int optind;
+ extern char *optarg;
+ struct servent *sp;
+ int ch, fflag, tflag;
+ char *targ, *shell, *colon();
+
+ fflag = tflag = 0;
+ while ((ch = getopt(argc, argv, OPTIONS)) != EOF)
+ switch(ch) {
+ /* user-visible flags */
+ case 'p': /* preserve access/mod times */
+ ++pflag;
+ break;
+ case 'r':
+ ++iamrecursive;
+ break;
+#ifdef KERBEROS
+ case 'k':
+ strncpy(dst_realm_buf, optarg, REALM_SZ);
+ dest_realm = dst_realm_buf;
+ break;
+#endif
+ /* rshd-invoked options (server) */
+ case 'd':
+ targetshouldbedirectory = 1;
+ break;
+ case 'f': /* "from" */
+ iamremote = 1;
+ fflag = 1;
+ break;
+ case 't': /* "to" */
+ iamremote = 1;
+ tflag = 1;
+ break;
- sp = getservbyname("shell", "tcp");
+ case '?':
+ default:
+ usage();
+ }
+ argc -= optind;
+ argv += optind;
+
+#ifdef KERBEROS
+ shell = "kshell";
+ sp = getservbyname(shell, "tcp");
if (sp == NULL) {
- fprintf(stderr, "rcp: shell/tcp: unknown service\n");
- exit(1);
+ char msgbuf[64];
+ use_kerberos = 0;
+ (void)snprintf(msgbuf, sizeof(msgbuf),
+ "can't get entry for %s/tcp service", shell);
+ old_warning(msgbuf);
+ sp = getservbyname(shell = "shell", "tcp");
}
- setpwent();
- pwd = getpwuid(getuid());
- endpwent();
- if (pwd == 0) {
- fprintf(stderr, "who are you?\n");
+#else
+ sp = getservbyname(shell = "shell", "tcp");
+#endif
+ if (sp == NULL) {
+ (void)fprintf(stderr, "rcp: %s/tcp: unknown service\n", shell);
exit(1);
}
- argc--, argv++;
- if (argc > 0 && !strcmp(*argv, "-r")) {
- iamrecursive++;
- argc--, argv++;
- }
- if (argc > 0 && !strcmp(*argv, "-d")) {
- targetshouldbedirectory = 1;
- argc--, argv++;
+ port = sp->s_port;
+
+ if (!(pwd = getpwuid(userid = getuid()))) {
+ (void)fprintf(stderr, "rcp: unknown user %d.\n", (int)userid);
+ exit(1);
}
- if (argc > 0 && !strcmp(*argv, "-f")) {
- argc--, argv++; iamremote = 1;
- (void) response();
- (void) setuid(getuid());
+
+ if (fflag) {
+ /* follow "protocol", send data */
+ (void)response();
+ (void)setuid(userid);
source(argc, argv);
exit(errs);
}
- if (argc > 0 && !strcmp(*argv, "-t")) {
- argc--, argv++; iamremote = 1;
- (void) setuid(getuid());
+
+ if (tflag) {
+ /* receive data */
+ (void)setuid(userid);
sink(argc, argv);
exit(errs);
}
- rem = -1;
+
+ if (argc < 2)
+ usage();
if (argc > 2)
targetshouldbedirectory = 1;
- (void) sprintf(cmd, "rcp%s%s",
- iamrecursive ? " -r" : "", targetshouldbedirectory ? " -d" : "");
- signal(SIGPIPE, lostconn);
- targ = colon(argv[argc - 1]);
- if (targ) {
- *targ++ = 0;
- if (*targ == 0)
- targ = ".";
- tuser = rindex(argv[argc - 1], '.');
- if (tuser) {
- *tuser++ = 0;
- if (!okname(tuser))
- exit(1);
- } else
- tuser = pwd->pw_name;
- for (i = 0; i < argc - 1; i++) {
- src = colon(argv[i]);
- if (src) {
- *src++ = 0;
- if (*src == 0)
- src = ".";
- suser = rindex(argv[i], '.');
- if (suser) {
- *suser++ = 0;
- if (!okname(suser))
- continue;
- (void) sprintf(buf, "rsh %s -l %s -n %s %s '%s.%s:%s'",
- argv[i], suser, cmd, src,
- argv[argc - 1], tuser, targ);
- } else
- (void) sprintf(buf, "rsh %s -n %s %s '%s.%s:%s'",
- argv[i], cmd, src,
- argv[argc - 1], tuser, targ);
- (void) susystem(buf);
- } else {
- if (rem == -1) {
- (void) sprintf(buf, "%s -t %s",
- cmd, targ);
- host = argv[argc - 1];
- rem = rcmd(&host, sp->s_port,
- pwd->pw_name, tuser,
- buf, 0);
- if (rem < 0)
- exit(1);
- if (response() < 0)
- exit(1);
- }
- source(1, argv+i);
- }
- }
- } else {
+
+ 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" : "",
+ "",
+ 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]))
+ toremote(targ, argc, argv); /* destination is remote host */
+ else {
+ tolocal(argc, argv); /* destination is local host */
if (targetshouldbedirectory)
verifydir(argv[argc - 1]);
- for (i = 0; i < argc - 1; i++) {
- src = colon(argv[i]);
- if (src == 0) {
- (void) sprintf(buf, "/bin/cp%s %s %s",
- iamrecursive ? " -r" : "",
- argv[i], argv[argc - 1]);
- (void) susystem(buf);
- } else {
- *src++ = 0;
- if (*src == 0)
- src = ".";
- suser = rindex(argv[i], '.');
- if (suser) {
- *suser++ = 0;
- if (!okname(suser))
- continue;
- } else
+ }
+ exit(errs);
+}
+
+toremote(targ, argc, argv)
+ char *targ;
+ int argc;
+ char **argv;
+{
+ int i, len, tos;
+ char *bp, *host, *src, *suser, *thost, *tuser;
+ char *colon();
+
+ *targ++ = 0;
+ if (*targ == 0)
+ targ = ".";
+
+ if (thost = index(argv[argc - 1], '@')) {
+ /* user@host */
+ *thost++ = 0;
+ tuser = argv[argc - 1];
+ if (*tuser == '\0')
+ tuser = NULL;
+ else if (!okname(tuser))
+ exit(1);
+ } else {
+ thost = argv[argc - 1];
+ tuser = NULL;
+ }
+
+ for (i = 0; i < argc - 1; i++) {
+ src = colon(argv[i]);
+ if (src) { /* remote to remote */
+ *src++ = 0;
+ if (*src == 0)
+ src = ".";
+ host = index(argv[i], '@');
+ len = strlen(_PATH_RSH) + strlen(argv[i]) +
+ strlen(src) + (tuser ? strlen(tuser) : 0) +
+ strlen(thost) + strlen(targ) + CMDNEEDS + 20;
+ if (!(bp = malloc(len)))
+ nospace();
+ if (host) {
+ *host++ = 0;
+ suser = argv[i];
+ if (*suser == '\0')
suser = pwd->pw_name;
- (void) sprintf(buf, "%s -f %s", cmd, src);
- host = argv[i];
- rem = rcmd(&host, sp->s_port,
- pwd->pw_name, suser,
- buf, 0);
+ else if (!okname(suser))
+ continue;
+ (void)snprintf(bp, len,
+ "%s %s -l %s -n %s %s '%s%s%s:%s'",
+ _PATH_RSH, host, suser, cmd, src,
+ tuser ? tuser : "", tuser ? "@" : "",
+ thost, targ);
+ } else
+ (void)snprintf(bp, len,
+ "%s %s -n %s %s '%s%s%s:%s'",
+ _PATH_RSH, argv[i], cmd, src,
+ tuser ? tuser : "", tuser ? "@" : "",
+ thost, targ);
+ (void)susystem(bp);
+ (void)free(bp);
+ } else { /* local to remote */
+ if (rem == -1) {
+ len = strlen(targ) + CMDNEEDS + 20;
+ if (!(bp = malloc(len)))
+ nospace();
+ (void)snprintf(bp, len, "%s -t %s", cmd, targ);
+ host = thost;
+#ifdef KERBEROS
+ if (use_kerberos)
+ rem = kerberos(&host, bp,
+ pwd->pw_name,
+ tuser ? tuser : pwd->pw_name);
+ else
+#endif
+ rem = rcmd(&host, port, pwd->pw_name,
+ tuser ? tuser : pwd->pw_name,
+ bp, 0);
if (rem < 0)
exit(1);
- sink(1, argv+argc-1);
- (void) close(rem);
- rem = -1;
+ tos = IPTOS_THROUGHPUT;
+ if (setsockopt(rem, IPPROTO_IP, IP_TOS,
+ (char *)&tos, sizeof(int)) < 0)
+ perror("rcp: setsockopt TOS (ignored)");
+ if (response() < 0)
+ exit(1);
+ (void)free(bp);
+ (void)setuid(userid);
}
+ source(1, argv+i);
}
}
- exit(errs);
+}
+
+tolocal(argc, argv)
+ int argc;
+ char **argv;
+{
+ int i, len, tos;
+ char *bp, *host, *src, *suser;
+ char *colon();
+
+ for (i = 0; i < argc - 1; i++) {
+ if (!(src = colon(argv[i]))) { /* local to local */
+ len = strlen(_PATH_CP) + strlen(argv[i]) +
+ strlen(argv[argc - 1]) + 20;
+ if (!(bp = malloc(len)))
+ nospace();
+ (void)snprintf(bp, len, "%s%s%s %s %s", _PATH_CP,
+ iamrecursive ? " -r" : "", pflag ? " -p" : "",
+ argv[i], argv[argc - 1]);
+ (void)susystem(bp);
+ (void)free(bp);
+ continue;
+ }
+ *src++ = 0;
+ if (*src == 0)
+ src = ".";
+ host = index(argv[i], '@');
+ if (host) {
+ *host++ = 0;
+ suser = argv[i];
+ if (*suser == '\0')
+ suser = pwd->pw_name;
+ else if (!okname(suser))
+ continue;
+ } else {
+ host = argv[i];
+ suser = pwd->pw_name;
+ }
+ len = strlen(src) + CMDNEEDS + 20;
+ if (!(bp = malloc(len)))
+ nospace();
+ (void)snprintf(bp, len, "%s -f %s", cmd, src);
+#ifdef KERBEROS
+ if (use_kerberos)
+ rem = kerberos(&host, bp, pwd->pw_name, suser);
+ else
+#endif
+ rem = rcmd(&host, port, pwd->pw_name, suser, bp, 0);
+ (void)free(bp);
+ if (rem < 0)
+ continue;
+ (void)seteuid(userid);
+ tos = IPTOS_THROUGHPUT;
+ if (setsockopt(rem, IPPROTO_IP, IP_TOS,
+ (char *)&tos, sizeof(int)) < 0)
+ perror("rcp: setsockopt TOS (ignored)");
+ sink(1, argv + argc - 1);
+ (void)seteuid(0);
+ (void)close(rem);
+ rem = -1;
+ }
}
verifydir(cp)
{
struct stat stb;
- if (stat(cp, &stb) < 0)
- goto bad;
- if ((stb.st_mode & S_IFMT) == S_IFDIR)
- return;
- errno = ENOTDIR;
-bad:
- error("rcp: %s: %s.\n", cp, sys_errlist[errno]);
+ if (stat(cp, &stb) >= 0) {
+ if ((stb.st_mode & S_IFMT) == S_IFDIR)
+ return;
+ errno = ENOTDIR;
+ }
+ error("rcp: %s: %s.\n", cp, strerror(errno));
exit(1);
}
char *
colon(cp)
- char *cp;
+ register char *cp;
{
-
- while (*cp) {
+ for (; *cp; ++cp) {
if (*cp == ':')
- return (cp);
+ return(cp);
if (*cp == '/')
- return (0);
- cp++;
+ return(0);
}
- return (0);
+ return(0);
}
okname(cp0)
goto bad;
if (!isalpha(c) && !isdigit(c) && c != '_' && c != '-')
goto bad;
- cp++;
- } while (*cp);
- return (1);
+ } while (*++cp);
+ return(1);
bad:
- fprintf(stderr, "rcp: invalid user name %s\n", cp0);
- return (0);
+ (void)fprintf(stderr, "rcp: invalid user name %s\n", cp0);
+ return(0);
}
susystem(s)
char *s;
{
int status, pid, w;
- register int (*istat)(), (*qstat)();
+ register sig_t istat, qstat;
if ((pid = vfork()) == 0) {
- setuid(getuid());
- execl("/bin/sh", "sh", "-c", s, (char *)0);
+ (void)setuid(userid);
+ execl(_PATH_BSHELL, "sh", "-c", s, (char *)0);
_exit(127);
}
istat = signal(SIGINT, SIG_IGN);
;
if (w == -1)
status = -1;
- signal(SIGINT, istat);
- signal(SIGQUIT, qstat);
- return (status);
+ (void)signal(SIGINT, istat);
+ (void)signal(SIGQUIT, qstat);
+ return(status);
}
source(argc, argv)
int argc;
char **argv;
{
- char *last, *name;
struct stat stb;
- char buf[BUFSIZ];
- int x, sizerr, f;
+ static BUF buffer;
+ BUF *bp;
off_t i;
+ int x, readerr, f, amt;
+ char *last, *name, buf[BUFSIZ];
+ BUF *allocbuf();
for (x = 0; x < argc; x++) {
name = argv[x];
- if (access(name, 4) < 0 || (f = open(name, 0)) < 0) {
- error("rcp: %s: %s\n", name, sys_errlist[errno]);
+ if ((f = open(name, O_RDONLY, 0)) < 0) {
+ error("rcp: %s: %s\n", name, strerror(errno));
continue;
}
if (fstat(f, &stb) < 0)
case S_IFDIR:
if (iamrecursive) {
- (void) close(f);
- rsource(name, (int)stb.st_mode);
+ (void)close(f);
+ rsource(name, &stb);
continue;
}
- /* fall into ... */
+ /* FALLTHROUGH */
default:
-notreg:
- (void) close(f);
+notreg: (void)close(f);
error("rcp: %s: not a plain file\n", name);
continue;
}
last = name;
else
last++;
- (void) sprintf(buf, "C%04o %D %s\n",
- stb.st_mode&07777, stb.st_size, last);
- (void) write(rem, buf, strlen(buf));
+ if (pflag) {
+ /*
+ * Make it compatible with possible future
+ * versions expecting microseconds.
+ */
+ (void)snprintf(buf, sizeof(buf),
+ "T%ld 0 %ld 0\n", stb.st_mtime, stb.st_atime);
+ (void)write(rem, buf, (int)strlen(buf));
+ if (response() < 0) {
+ (void)close(f);
+ continue;
+ }
+ }
+ (void)snprintf(buf, sizeof(buf),
+ "C%04o %ld %s\n", stb.st_mode&07777, stb.st_size, last);
+ (void)write(rem, buf, (int)strlen(buf));
if (response() < 0) {
- (void) close(f);
+ (void)close(f);
continue;
}
- sizerr = 0;
- for (i = 0; i < stb.st_size; i += BUFSIZ) {
- int amt = BUFSIZ;
+ if ((bp = allocbuf(&buffer, f, BUFSIZ)) == 0) {
+ (void)close(f);
+ continue;
+ }
+ readerr = 0;
+ for (i = 0; i < stb.st_size; i += bp->cnt) {
+ amt = bp->cnt;
if (i + amt > stb.st_size)
amt = stb.st_size - i;
- if (sizerr == 0 && read(f, buf, amt) != amt)
- sizerr = 1;
- (void) write(rem, buf, amt);
+ if (readerr == 0 && read(f, bp->buf, amt) != amt)
+ readerr = errno;
+ (void)write(rem, bp->buf, amt);
}
- (void) close(f);
- if (sizerr == 0)
- ga();
+ (void)close(f);
+ if (readerr == 0)
+ (void)write(rem, "", 1);
else
- error("rcp: %s: file changed size\n", name);
- (void) response();
+ error("rcp: %s: %s\n", name, strerror(readerr));
+ (void)response();
}
}
-#include <sys/dir.h>
-
-rsource(name, mode)
+rsource(name, statp)
char *name;
- int mode;
+ struct stat *statp;
{
- DIR *d = opendir(name);
- char *last;
- struct direct *dp;
- char buf[BUFSIZ];
- char *bufv[1];
-
- if (d == 0) {
- error("%s: %s\n", name, sys_errlist[errno]);
+ DIR *dirp;
+ struct dirent *dp;
+ char *last, *vect[1], path[MAXPATHLEN];
+
+ if (!(dirp = opendir(name))) {
+ error("rcp: %s: %s\n", name, strerror(errno));
return;
}
last = rindex(name, '/');
last = name;
else
last++;
- (void) sprintf(buf, "D%04o %d %s\n", mode&07777, 0, last);
- (void) write(rem, buf, strlen(buf));
+ if (pflag) {
+ (void)snprintf(path, sizeof(path),
+ "T%ld 0 %ld 0\n", statp->st_mtime, statp->st_atime);
+ (void)write(rem, path, (int)strlen(path));
+ if (response() < 0) {
+ closedir(dirp);
+ return;
+ }
+ }
+ (void)snprintf(path, sizeof(path),
+ "D%04o %d %s\n", statp->st_mode&07777, 0, last);
+ (void)write(rem, path, (int)strlen(path));
if (response() < 0) {
- closedir(d);
+ closedir(dirp);
return;
}
- while (dp = readdir(d)) {
+ while (dp = readdir(dirp)) {
if (dp->d_ino == 0)
continue;
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
continue;
- if (strlen(name) + 1 + strlen(dp->d_name) >= BUFSIZ - 1) {
- error("%s/%s: Name too long.\n", name, dp->d_name);
+ if (strlen(name) + 1 + strlen(dp->d_name) >= MAXPATHLEN - 1) {
+ error("%s/%s: name too long.\n", name, dp->d_name);
continue;
}
- (void) sprintf(buf, "%s/%s", name, dp->d_name);
- bufv[0] = buf;
- source(1, bufv);
+ (void)snprintf(path, sizeof(path), "%s/%s", name, dp->d_name);
+ vect[0] = path;
+ source(1, vect);
}
- closedir(d);
- (void) write(rem, "E\n", 2);
- (void) response();
+ closedir(dirp);
+ (void)write(rem, "E\n", 2);
+ (void)response();
}
response()
{
- char resp, c, rbuf[BUFSIZ], *cp = rbuf;
+ register char *cp;
+ char ch, resp, rbuf[BUFSIZ];
- if (read(rem, &resp, 1) != 1)
+ if (read(rem, &resp, sizeof(resp)) != sizeof(resp))
lostconn();
- switch (resp) {
-
- case 0:
- return (0);
+ cp = rbuf;
+ switch(resp) {
+ case 0: /* ok */
+ return(0);
default:
*cp++ = resp;
- /* fall into... */
- case 1:
- case 2:
+ /* FALLTHROUGH */
+ case 1: /* error, followed by err msg */
+ case 2: /* fatal error, "" */
do {
- if (read(rem, &c, 1) != 1)
+ if (read(rem, &ch, sizeof(ch)) != sizeof(ch))
lostconn();
- *cp++ = c;
- } while (cp < &rbuf[BUFSIZ] && c != '\n');
- if (iamremote == 0)
- (void) write(2, rbuf, cp - rbuf);
- errs++;
+ *cp++ = ch;
+ } while (cp < &rbuf[BUFSIZ] && ch != '\n');
+
+ if (!iamremote)
+ (void)write(2, rbuf, cp - rbuf);
+ ++errs;
if (resp == 1)
- return (-1);
+ return(-1);
exit(1);
}
/*NOTREACHED*/
}
+void
lostconn()
{
-
- if (iamremote == 0)
- fprintf(stderr, "rcp: lost connection\n");
+ if (!iamremote)
+ (void)fprintf(stderr, "rcp: lost connection\n");
exit(1);
}
int argc;
char **argv;
{
- char *targ;
- char cmdbuf[BUFSIZ], nambuf[BUFSIZ], buf[BUFSIZ], *cp;
- int of, mode, wrerr, exists, first;
- off_t i, size;
- char *whopp;
- struct stat stb; int targisdir = 0;
-#define SCREWUP(str) { whopp = str; goto screwup; }
- int mask = umask(0);
- char *myargv[1];
-
- umask(mask);
- if (argc > 1) {
+ register char *cp;
+ static BUF buffer;
+ struct stat stb;
+ struct timeval tv[2];
+ enum { YES, NO, DISPLAYED } wrerr;
+ BUF *bp, *allocbuf();
+ off_t i, j;
+ char ch, *targ, *why;
+ int amt, count, exists, first, mask, mode;
+ int ofd, setimes, size, targisdir;
+ char *np, *vect[1], buf[BUFSIZ];
+
+#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) {
error("rcp: ambiguous target\n");
exit(1);
}
targ = *argv;
if (targetshouldbedirectory)
verifydir(targ);
- ga();
+ (void)write(rem, "", 1);
if (stat(targ, &stb) == 0 && (stb.st_mode & S_IFMT) == S_IFDIR)
targisdir = 1;
- for (first = 1; ; first = 0) {
- cp = cmdbuf;
+ for (first = 1;; first = 0) {
+ cp = buf;
if (read(rem, cp, 1) <= 0)
return;
if (*cp++ == '\n')
- SCREWUP("unexpected '\\n'");
+ SCREWUP("unexpected <newline>");
do {
- if (read(rem, cp, 1) != 1)
+ if (read(rem, &ch, sizeof(ch)) != sizeof(ch))
SCREWUP("lost connection");
- } while (*cp++ != '\n');
+ *cp++ = ch;
+ } while (cp < &buf[BUFSIZ - 1] && ch != '\n');
*cp = 0;
- if (cmdbuf[0] == '\01' || cmdbuf[0] == '\02') {
+
+ if (buf[0] == '\01' || buf[0] == '\02') {
if (iamremote == 0)
- (void) write(2, cmdbuf+1, strlen(cmdbuf+1));
- if (cmdbuf[0] == '\02')
+ (void)write(2, buf + 1, (int)strlen(buf + 1));
+ if (buf[0] == '\02')
exit(1);
errs++;
continue;
}
- *--cp = 0;
- cp = cmdbuf;
- if (*cp == 'E') {
- ga();
+ if (buf[0] == 'E') {
+ (void)write(rem, "", 1);
return;
}
+
+ if (ch == '\n')
+ *--cp = 0;
+
+#define getnum(t) (t) = 0; while (isdigit(*cp)) (t) = (t) * 10 + (*cp++ - '0');
+ cp = buf;
+ if (*cp == 'T') {
+ setimes++;
+ cp++;
+ getnum(mtime.tv_sec);
+ if (*cp++ != ' ')
+ SCREWUP("mtime.sec not delimited");
+ getnum(mtime.tv_usec);
+ if (*cp++ != ' ')
+ SCREWUP("mtime.usec not delimited");
+ getnum(atime.tv_sec);
+ if (*cp++ != ' ')
+ SCREWUP("atime.sec not delimited");
+ getnum(atime.tv_usec);
+ if (*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".
}
SCREWUP("expected control record");
}
- cp++;
mode = 0;
- for (; cp < cmdbuf+5; cp++) {
+ 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");
size = 0;
- while (*cp >= '0' && *cp <= '9')
+ while (isdigit(*cp))
size = size * 10 + (*cp++ - '0');
if (*cp++ != ' ')
SCREWUP("size not delimited");
- if (targisdir)
- (void) sprintf(nambuf, "%s%s%s", targ,
+ if (targisdir) {
+ static char *namebuf;
+ static int cursize;
+ size_t need;
+
+ need = strlen(targ) + strlen(cp) + 250;
+ if (need > cursize) {
+ if (!(namebuf = malloc(need)))
+ error("out of memory\n");
+ }
+ (void)snprintf(namebuf, need, "%s%s%s", targ,
*targ ? "/" : "", cp);
+ np = namebuf;
+ }
else
- (void) strcpy(nambuf, targ);
- exists = stat(nambuf, &stb) == 0;
- if (exists && access(nambuf, 2) < 0)
- goto bad2;
- { char *slash = rindex(nambuf, '/'), *dir;
- if (slash == 0) {
- slash = "/";
- dir = ".";
- } else {
- *slash = 0;
- dir = nambuf;
- if (*dir == '\0')
- dir = "/";
- }
- if (exists == 0 && access(dir, 2) < 0)
- goto bad;
- *slash = '/';
- if (cmdbuf[0] == 'D') {
- if (stat(nambuf, &stb) == 0) {
+ np = targ;
+ exists = stat(np, &stb) == 0;
+ if (buf[0] == 'D') {
+ if (exists) {
if ((stb.st_mode&S_IFMT) != S_IFDIR) {
errno = ENOTDIR;
goto bad;
}
- } else if (makedir(nambuf, mode) < 0)
+ if (pflag)
+ (void)chmod(np, mode);
+ } else if (mkdir(np, mode) < 0)
goto bad;
- myargv[0] = nambuf;
- sink(1, myargv);
+ vect[0] = np;
+ sink(1, vect);
+ if (setimes) {
+ setimes = 0;
+ if (utimes(np, tv) < 0)
+ error("rcp: can't set times on %s: %s\n",
+ np, strerror(errno));
+ }
continue;
- }
- if ((of = creat(nambuf, mode)) < 0) {
- bad:
- *slash = '/';
- bad2:
- error("rcp: %s: %s\n", nambuf, sys_errlist[errno]);
+ }
+ if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) {
+bad: error("rcp: %s: %s\n", np, strerror(errno));
continue;
- }
}
- if (exists == 0) {
- (void) chown(nambuf, pwd->pw_uid, -1);
- (void) chmod(nambuf, mode &~ mask);
+ if (exists && pflag)
+ (void)fchmod(ofd, mode);
+ (void)write(rem, "", 1);
+ if ((bp = allocbuf(&buffer, ofd, BUFSIZ)) == 0) {
+ (void)close(ofd);
+ continue;
}
- ga();
- wrerr = 0;
+ cp = bp->buf;
+ count = 0;
+ wrerr = NO;
for (i = 0; i < size; i += BUFSIZ) {
- int amt = BUFSIZ;
- char *cp = buf;
-
+ amt = BUFSIZ;
if (i + amt > size)
amt = size - i;
+ count += amt;
do {
- int j = read(rem, cp, amt);
-
- if (j <= 0)
+ j = read(rem, cp, amt);
+ if (j <= 0) {
+ error("rcp: %s\n",
+ j ? strerror(errno) :
+ "dropped connection");
exit(1);
+ }
amt -= j;
cp += j;
} while (amt > 0);
- amt = BUFSIZ;
- if (i + amt > size)
- amt = size - i;
- if (wrerr == 0 && write(of, buf, amt) != amt)
- wrerr++;
+ if (count == bp->cnt) {
+ if (wrerr == NO &&
+ write(ofd, bp->buf, count) != count)
+ wrerr = YES;
+ count = 0;
+ cp = bp->buf;
+ }
+ }
+ if (count != 0 && wrerr == NO &&
+ write(ofd, bp->buf, count) != count)
+ wrerr = YES;
+ if (ftruncate(ofd, size)) {
+ error("rcp: can't truncate %s: %s\n", np,
+ strerror(errno));
+ wrerr = DISPLAYED;
+ }
+ (void)close(ofd);
+ (void)response();
+ if (setimes && wrerr == NO) {
+ setimes = 0;
+ if (utimes(np, tv) < 0) {
+ error("rcp: can't set times on %s: %s\n",
+ np, strerror(errno));
+ wrerr = DISPLAYED;
+ }
+ }
+ switch(wrerr) {
+ case YES:
+ error("rcp: %s: %s\n", np, strerror(errno));
+ break;
+ case NO:
+ (void)write(rem, "", 1);
+ break;
+ case DISPLAYED:
+ break;
}
- (void) close(of);
- (void) response();
- if (wrerr)
- error("rcp: %s: %s\n", cp, sys_errlist[errno]);
- else
- ga();
}
screwup:
- error("rcp: protocol screwup: %s\n", whopp);
+ error("rcp: protocol screwup: %s\n", why);
exit(1);
}
-/*VARARGS*/
-error(fmt, a1, a2, a3, a4, a5)
+BUF *
+allocbuf(bp, fd, blksize)
+ BUF *bp;
+ int fd, blksize;
+{
+ struct stat stb;
+ size_t size;
+
+ if (fstat(fd, &stb) < 0) {
+ error("rcp: fstat: %s\n", strerror(errno));
+ return(0);
+ }
+ size = roundup(stb.st_blksize, blksize);
+ if (size == 0)
+ size = blksize;
+ if (bp->cnt < size) {
+ if (bp->buf != 0)
+ free(bp->buf);
+ bp->buf = malloc(size);
+ if (!bp->buf) {
+ error("rcp: malloc: out of memory\n");
+ return(0);
+ }
+ }
+ bp->cnt = size;
+ return(bp);
+}
+
+/* VARARGS1 */
+error(fmt, a1, a2, a3)
char *fmt;
- int a1, a2, a3, a4, a5;
+ int a1, a2, a3;
{
- char buf[BUFSIZ], *cp = buf;
-
- errs++;
- *cp++ = 1;
- (void) sprintf(cp, fmt, a1, a2, a3, a4, a5);
- (void) write(rem, buf, strlen(buf));
- if (iamremote == 0)
- (void) write(2, buf+1, strlen(buf+1));
+ static FILE *fp;
+
+ ++errs;
+ if (!fp && !(fp = fdopen(rem, "w")))
+ return;
+ (void)fprintf(fp, "%c", 0x01);
+ (void)fprintf(fp, fmt, a1, a2, a3);
+ (void)fflush(fp);
+ if (!iamremote)
+ (void)fprintf(stderr, fmt, a1, a2, a3);
}
-makedir(name, mode)
- register char *name;
- register int mode;
+nospace()
{
- register int _errno;
+ (void)fprintf(stderr, "rcp: out of memory.\n");
+ exit(1);
+}
- if (mkdir(name, mode) < 0 || chown(name, getuid(), -1) < 0) {
- _errno = errno;
- rmdir(name);
- errno = _errno;
- return (-1);
- }
- return (0);
+usage()
+{
+#ifdef KERBEROS
+ (void)fprintf(stderr, "%s\n\t%s\n",
+ "usage: rcp [-k realm] [-p] f1 f2",
+ "or: rcp [-k realm] [-rp] f1 ... fn directory");
+#else
+ (void)fprintf(stderr,
+ "usage: rcp [-p] f1 f2; or: rcp [-rp] f1 ... fn directory\n");
+#endif
+ exit(1);
+}
+
+#ifdef KERBEROS
+old_warning(str)
+ char *str;
+{
+ (void)fprintf(stderr, "rcp: warning: %s, using standard rcp\n", str);
+}
+
+int
+kerberos(host, bp, locuser, user)
+
+ char **host, *bp, *locuser, *user;
+{
+ struct servent *sp;
+
+again:
+ if (use_kerberos) {
+ rem = KSUCCESS;
+ errno = 0;
+ if (dest_realm == NULL)
+ dest_realm = krb_realmofhost(*host);
+
+ rem = krcmd(
+ host, port,
+ user, bp, 0, dest_realm);
+
+ if (rem < 0) {
+ use_kerberos = 0;
+ sp = getservbyname("shell", "tcp");
+ if (sp == NULL) {
+ (void)fprintf(stderr,
+ "rcp: unknown service shell/tcp\n");
+ exit(1);
+ }
+ if (errno == ECONNREFUSED)
+ old_warning(
+ "remote host doesn't support Kerberos");
+
+ if (errno == ENOENT)
+ old_warning(
+ "Can't provide Kerberos auth data");
+ port = sp->s_port;
+ goto again;
+ }
+ } else {
+ rem = rcmd(host, sp->s_port, locuser, user, bp, 0);
+ }
+ return(rem);
}
+#endif /* KERBEROS */