rcp.c revision 24348
11556Srgrimes/* 21556Srgrimes * Copyright (c) 1983, 1990, 1992, 1993 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * Redistribution and use in source and binary forms, with or without 61556Srgrimes * modification, are permitted provided that the following conditions 71556Srgrimes * are met: 81556Srgrimes * 1. Redistributions of source code must retain the above copyright 91556Srgrimes * notice, this list of conditions and the following disclaimer. 101556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111556Srgrimes * notice, this list of conditions and the following disclaimer in the 121556Srgrimes * documentation and/or other materials provided with the distribution. 131556Srgrimes * 3. All advertising materials mentioning features or use of this software 141556Srgrimes * must display the following acknowledgement: 151556Srgrimes * This product includes software developed by the University of 161556Srgrimes * California, Berkeley and its contributors. 171556Srgrimes * 4. Neither the name of the University nor the names of its contributors 181556Srgrimes * may be used to endorse or promote products derived from this software 191556Srgrimes * without specific prior written permission. 201556Srgrimes * 211556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311556Srgrimes * SUCH DAMAGE. 323044Sdg * 3324348Simp * $Id: rcp.c,v 1.11 1997/02/22 14:05:22 peter Exp $ 341556Srgrimes */ 351556Srgrimes 361556Srgrimes#ifndef lint 3720420Sstevestatic char const copyright[] = 381556Srgrimes"@(#) Copyright (c) 1983, 1990, 1992, 1993\n\ 391556Srgrimes The Regents of the University of California. All rights reserved.\n"; 401556Srgrimes#endif /* not lint */ 411556Srgrimes 421556Srgrimes#ifndef lint 4320420Sstevestatic char const sccsid[] = "@(#)rcp.c 8.2 (Berkeley) 4/2/94"; 441556Srgrimes#endif /* not lint */ 451556Srgrimes 461556Srgrimes#include <sys/param.h> 471556Srgrimes#include <sys/stat.h> 481556Srgrimes#include <sys/time.h> 491556Srgrimes#include <sys/socket.h> 501556Srgrimes#include <netinet/in.h> 511556Srgrimes#include <netinet/in_systm.h> 521556Srgrimes#include <netinet/ip.h> 531556Srgrimes 541556Srgrimes#include <ctype.h> 551556Srgrimes#include <dirent.h> 561556Srgrimes#include <err.h> 571556Srgrimes#include <errno.h> 581556Srgrimes#include <fcntl.h> 591556Srgrimes#include <netdb.h> 601556Srgrimes#include <pwd.h> 611556Srgrimes#include <signal.h> 621556Srgrimes#include <stdio.h> 631556Srgrimes#include <stdlib.h> 641556Srgrimes#include <string.h> 651556Srgrimes#include <string.h> 661556Srgrimes#include <unistd.h> 671556Srgrimes 681556Srgrimes#include "pathnames.h" 691556Srgrimes#include "extern.h" 701556Srgrimes 711556Srgrimes#ifdef KERBEROS 7214024Smarkm#include <des.h> 731556Srgrimes#include <kerberosIV/krb.h> 741556Srgrimes 7510663Smarkm#include "../../usr.bin/rlogin/krb.h" 7610663Smarkm 771556Srgrimeschar dst_realm_buf[REALM_SZ]; 781556Srgrimeschar *dest_realm = NULL; 791556Srgrimesint use_kerberos = 1; 801556SrgrimesCREDENTIALS cred; 811556SrgrimesKey_schedule schedule; 821556Srgrimesextern char *krb_realmofhost(); 831556Srgrimes#ifdef CRYPT 841556Srgrimesint doencrypt = 0; 851556Srgrimes#define OPTIONS "dfKk:prtx" 861556Srgrimes#else 871556Srgrimes#define OPTIONS "dfKk:prt" 881556Srgrimes#endif 891556Srgrimes#else 901556Srgrimes#define OPTIONS "dfprt" 911556Srgrimes#endif 921556Srgrimes 931556Srgrimesstruct passwd *pwd; 941556Srgrimesu_short port; 951556Srgrimesuid_t userid; 961556Srgrimesint errs, rem; 971556Srgrimesint pflag, iamremote, iamrecursive, targetshouldbedirectory; 981556Srgrimes 991556Srgrimes#define CMDNEEDS 64 1001556Srgrimeschar cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ 1011556Srgrimes 1021556Srgrimes#ifdef KERBEROS 1031556Srgrimesint kerberos __P((char **, char *, char *, char *)); 1041556Srgrimesvoid oldw __P((const char *, ...)); 1051556Srgrimes#endif 1061556Srgrimesint response __P((void)); 1071556Srgrimesvoid rsource __P((char *, struct stat *)); 1081556Srgrimesvoid sink __P((int, char *[])); 1091556Srgrimesvoid source __P((int, char *[])); 1101556Srgrimesvoid tolocal __P((int, char *[])); 1111556Srgrimesvoid toremote __P((char *, int, char *[])); 1121556Srgrimesvoid usage __P((void)); 1131556Srgrimes 1141556Srgrimesint 1151556Srgrimesmain(argc, argv) 1161556Srgrimes int argc; 1171556Srgrimes char *argv[]; 1181556Srgrimes{ 1191556Srgrimes struct servent *sp; 1201556Srgrimes int ch, fflag, tflag; 1211556Srgrimes char *targ, *shell; 1221556Srgrimes 1231556Srgrimes fflag = tflag = 0; 12424348Simp while ((ch = getopt(argc, argv, OPTIONS)) != -1) 1251556Srgrimes switch(ch) { /* User-visible flags. */ 1261556Srgrimes case 'K': 1271556Srgrimes#ifdef KERBEROS 1281556Srgrimes use_kerberos = 0; 1291556Srgrimes#endif 1301556Srgrimes break; 1311556Srgrimes#ifdef KERBEROS 1321556Srgrimes case 'k': 1331556Srgrimes dest_realm = dst_realm_buf; 1341556Srgrimes (void)strncpy(dst_realm_buf, optarg, REALM_SZ); 1351556Srgrimes break; 1361556Srgrimes#ifdef CRYPT 1371556Srgrimes case 'x': 1381556Srgrimes doencrypt = 1; 1391556Srgrimes /* des_set_key(cred.session, schedule); */ 1401556Srgrimes break; 1411556Srgrimes#endif 1421556Srgrimes#endif 1431556Srgrimes case 'p': 1441556Srgrimes pflag = 1; 1451556Srgrimes break; 1461556Srgrimes case 'r': 1471556Srgrimes iamrecursive = 1; 1481556Srgrimes break; 1491556Srgrimes /* Server options. */ 1501556Srgrimes case 'd': 1511556Srgrimes targetshouldbedirectory = 1; 1521556Srgrimes break; 1531556Srgrimes case 'f': /* "from" */ 1541556Srgrimes iamremote = 1; 1551556Srgrimes fflag = 1; 1561556Srgrimes break; 1571556Srgrimes case 't': /* "to" */ 1581556Srgrimes iamremote = 1; 1591556Srgrimes tflag = 1; 1601556Srgrimes break; 1611556Srgrimes case '?': 1621556Srgrimes default: 1631556Srgrimes usage(); 1641556Srgrimes } 1651556Srgrimes argc -= optind; 1661556Srgrimes argv += optind; 1671556Srgrimes 1681556Srgrimes#ifdef KERBEROS 1691556Srgrimes if (use_kerberos) { 1701556Srgrimes#ifdef CRYPT 1711556Srgrimes shell = doencrypt ? "ekshell" : "kshell"; 1721556Srgrimes#else 1731556Srgrimes shell = "kshell"; 1741556Srgrimes#endif 1751556Srgrimes if ((sp = getservbyname(shell, "tcp")) == NULL) { 1761556Srgrimes use_kerberos = 0; 1771556Srgrimes oldw("can't get entry for %s/tcp service", shell); 1781556Srgrimes sp = getservbyname(shell = "shell", "tcp"); 1791556Srgrimes } 1801556Srgrimes } else 1811556Srgrimes sp = getservbyname(shell = "shell", "tcp"); 1821556Srgrimes#else 1831556Srgrimes sp = getservbyname(shell = "shell", "tcp"); 1841556Srgrimes#endif 1851556Srgrimes if (sp == NULL) 1861556Srgrimes errx(1, "%s/tcp: unknown service", shell); 1871556Srgrimes port = sp->s_port; 1881556Srgrimes 1891556Srgrimes if ((pwd = getpwuid(userid = getuid())) == NULL) 1901556Srgrimes errx(1, "unknown user %d", (int)userid); 1911556Srgrimes 1921556Srgrimes rem = STDIN_FILENO; /* XXX */ 1931556Srgrimes 1941556Srgrimes if (fflag) { /* Follow "protocol", send data. */ 1951556Srgrimes (void)response(); 1961556Srgrimes (void)setuid(userid); 1971556Srgrimes source(argc, argv); 1981556Srgrimes exit(errs); 1991556Srgrimes } 2001556Srgrimes 2011556Srgrimes if (tflag) { /* Receive data. */ 2021556Srgrimes (void)setuid(userid); 2031556Srgrimes sink(argc, argv); 2041556Srgrimes exit(errs); 2051556Srgrimes } 2061556Srgrimes 2071556Srgrimes if (argc < 2) 2081556Srgrimes usage(); 2091556Srgrimes if (argc > 2) 2101556Srgrimes targetshouldbedirectory = 1; 2111556Srgrimes 2121556Srgrimes rem = -1; 2131556Srgrimes /* Command to be executed on remote system using "rsh". */ 2141556Srgrimes#ifdef KERBEROS 2151556Srgrimes (void)snprintf(cmd, sizeof(cmd), 2161556Srgrimes "rcp%s%s%s%s", iamrecursive ? " -r" : "", 2171556Srgrimes#ifdef CRYPT 2181556Srgrimes (doencrypt && use_kerberos ? " -x" : ""), 2191556Srgrimes#else 2201556Srgrimes "", 2211556Srgrimes#endif 2221556Srgrimes pflag ? " -p" : "", targetshouldbedirectory ? " -d" : ""); 2231556Srgrimes#else 2241556Srgrimes (void)snprintf(cmd, sizeof(cmd), "rcp%s%s%s", 2251556Srgrimes iamrecursive ? " -r" : "", pflag ? " -p" : "", 2261556Srgrimes targetshouldbedirectory ? " -d" : ""); 2271556Srgrimes#endif 2281556Srgrimes 2291556Srgrimes (void)signal(SIGPIPE, lostconn); 2301556Srgrimes 2317165Sjoerg if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ 2321556Srgrimes toremote(targ, argc, argv); 2331556Srgrimes else { 2341556Srgrimes tolocal(argc, argv); /* Dest is local host. */ 2351556Srgrimes if (targetshouldbedirectory) 2361556Srgrimes verifydir(argv[argc - 1]); 2371556Srgrimes } 2381556Srgrimes exit(errs); 2391556Srgrimes} 2401556Srgrimes 2411556Srgrimesvoid 2421556Srgrimestoremote(targ, argc, argv) 2431556Srgrimes char *targ, *argv[]; 2441556Srgrimes int argc; 2451556Srgrimes{ 2461556Srgrimes int i, len, tos; 2471556Srgrimes char *bp, *host, *src, *suser, *thost, *tuser; 2481556Srgrimes 2491556Srgrimes *targ++ = 0; 2501556Srgrimes if (*targ == 0) 2511556Srgrimes targ = "."; 2521556Srgrimes 2537165Sjoerg if ((thost = strchr(argv[argc - 1], '@'))) { 2541556Srgrimes /* user@host */ 2551556Srgrimes *thost++ = 0; 2561556Srgrimes tuser = argv[argc - 1]; 2571556Srgrimes if (*tuser == '\0') 2581556Srgrimes tuser = NULL; 2591556Srgrimes else if (!okname(tuser)) 2601556Srgrimes exit(1); 2611556Srgrimes } else { 2621556Srgrimes thost = argv[argc - 1]; 2631556Srgrimes tuser = NULL; 2641556Srgrimes } 2651556Srgrimes 2661556Srgrimes for (i = 0; i < argc - 1; i++) { 2671556Srgrimes src = colon(argv[i]); 2681556Srgrimes if (src) { /* remote to remote */ 2691556Srgrimes *src++ = 0; 2701556Srgrimes if (*src == 0) 2711556Srgrimes src = "."; 2721556Srgrimes host = strchr(argv[i], '@'); 2731556Srgrimes len = strlen(_PATH_RSH) + strlen(argv[i]) + 2741556Srgrimes strlen(src) + (tuser ? strlen(tuser) : 0) + 2751556Srgrimes strlen(thost) + strlen(targ) + CMDNEEDS + 20; 2761556Srgrimes if (!(bp = malloc(len))) 2771556Srgrimes err(1, NULL); 2781556Srgrimes if (host) { 2791556Srgrimes *host++ = 0; 2801556Srgrimes suser = argv[i]; 2811556Srgrimes if (*suser == '\0') 2821556Srgrimes suser = pwd->pw_name; 2831556Srgrimes else if (!okname(suser)) 2841556Srgrimes continue; 2851556Srgrimes (void)snprintf(bp, len, 2861556Srgrimes "%s %s -l %s -n %s %s '%s%s%s:%s'", 2871556Srgrimes _PATH_RSH, host, suser, cmd, src, 2881556Srgrimes tuser ? tuser : "", tuser ? "@" : "", 2891556Srgrimes thost, targ); 2901556Srgrimes } else 2911556Srgrimes (void)snprintf(bp, len, 2921556Srgrimes "exec %s %s -n %s %s '%s%s%s:%s'", 2931556Srgrimes _PATH_RSH, argv[i], cmd, src, 2941556Srgrimes tuser ? tuser : "", tuser ? "@" : "", 2951556Srgrimes thost, targ); 2961556Srgrimes (void)susystem(bp, userid); 2971556Srgrimes (void)free(bp); 2981556Srgrimes } else { /* local to remote */ 2991556Srgrimes if (rem == -1) { 3001556Srgrimes len = strlen(targ) + CMDNEEDS + 20; 3011556Srgrimes if (!(bp = malloc(len))) 3021556Srgrimes err(1, NULL); 3031556Srgrimes (void)snprintf(bp, len, "%s -t %s", cmd, targ); 3041556Srgrimes host = thost; 3051556Srgrimes#ifdef KERBEROS 3061556Srgrimes if (use_kerberos) 3071556Srgrimes rem = kerberos(&host, bp, 3081556Srgrimes pwd->pw_name, 3091556Srgrimes tuser ? tuser : pwd->pw_name); 3101556Srgrimes else 3111556Srgrimes#endif 3121556Srgrimes rem = rcmd(&host, port, pwd->pw_name, 3131556Srgrimes tuser ? tuser : pwd->pw_name, 3141556Srgrimes bp, 0); 3151556Srgrimes if (rem < 0) 3161556Srgrimes exit(1); 3171556Srgrimes tos = IPTOS_THROUGHPUT; 3181556Srgrimes if (setsockopt(rem, IPPROTO_IP, IP_TOS, 3191556Srgrimes &tos, sizeof(int)) < 0) 3201556Srgrimes warn("TOS (ignored)"); 3211556Srgrimes if (response() < 0) 3221556Srgrimes exit(1); 3231556Srgrimes (void)free(bp); 3241556Srgrimes (void)setuid(userid); 3251556Srgrimes } 3261556Srgrimes source(1, argv+i); 3271556Srgrimes } 3281556Srgrimes } 3291556Srgrimes} 3301556Srgrimes 3311556Srgrimesvoid 3321556Srgrimestolocal(argc, argv) 3331556Srgrimes int argc; 3341556Srgrimes char *argv[]; 3351556Srgrimes{ 3361556Srgrimes int i, len, tos; 3371556Srgrimes char *bp, *host, *src, *suser; 3381556Srgrimes 3391556Srgrimes for (i = 0; i < argc - 1; i++) { 3401556Srgrimes if (!(src = colon(argv[i]))) { /* Local to local. */ 3411556Srgrimes len = strlen(_PATH_CP) + strlen(argv[i]) + 3421556Srgrimes strlen(argv[argc - 1]) + 20; 3431556Srgrimes if (!(bp = malloc(len))) 3441556Srgrimes err(1, NULL); 3451556Srgrimes (void)snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP, 3461556Srgrimes iamrecursive ? " -r" : "", pflag ? " -p" : "", 3471556Srgrimes argv[i], argv[argc - 1]); 3481556Srgrimes if (susystem(bp, userid)) 3491556Srgrimes ++errs; 3501556Srgrimes (void)free(bp); 3511556Srgrimes continue; 3521556Srgrimes } 3531556Srgrimes *src++ = 0; 3541556Srgrimes if (*src == 0) 3551556Srgrimes src = "."; 3561556Srgrimes if ((host = strchr(argv[i], '@')) == NULL) { 3571556Srgrimes host = argv[i]; 3581556Srgrimes suser = pwd->pw_name; 3591556Srgrimes } else { 3601556Srgrimes *host++ = 0; 3611556Srgrimes suser = argv[i]; 3621556Srgrimes if (*suser == '\0') 3631556Srgrimes suser = pwd->pw_name; 3641556Srgrimes else if (!okname(suser)) 3651556Srgrimes continue; 3661556Srgrimes } 3671556Srgrimes len = strlen(src) + CMDNEEDS + 20; 3681556Srgrimes if ((bp = malloc(len)) == NULL) 3691556Srgrimes err(1, NULL); 3701556Srgrimes (void)snprintf(bp, len, "%s -f %s", cmd, src); 3718855Srgrimes rem = 3721556Srgrimes#ifdef KERBEROS 3738855Srgrimes use_kerberos ? 3748855Srgrimes kerberos(&host, bp, pwd->pw_name, suser) : 3751556Srgrimes#endif 3761556Srgrimes rcmd(&host, port, pwd->pw_name, suser, bp, 0); 3771556Srgrimes (void)free(bp); 3781556Srgrimes if (rem < 0) { 3791556Srgrimes ++errs; 3801556Srgrimes continue; 3811556Srgrimes } 3821556Srgrimes (void)seteuid(userid); 3831556Srgrimes tos = IPTOS_THROUGHPUT; 3841556Srgrimes if (setsockopt(rem, IPPROTO_IP, IP_TOS, &tos, sizeof(int)) < 0) 3851556Srgrimes warn("TOS (ignored)"); 3861556Srgrimes sink(1, argv + argc - 1); 3871556Srgrimes (void)seteuid(0); 3881556Srgrimes (void)close(rem); 3891556Srgrimes rem = -1; 3901556Srgrimes } 3911556Srgrimes} 3921556Srgrimes 3931556Srgrimesvoid 3941556Srgrimessource(argc, argv) 3951556Srgrimes int argc; 3961556Srgrimes char *argv[]; 3971556Srgrimes{ 3981556Srgrimes struct stat stb; 3991556Srgrimes static BUF buffer; 4001556Srgrimes BUF *bp; 4011556Srgrimes off_t i; 4021556Srgrimes int amt, fd, haderr, indx, result; 4031556Srgrimes char *last, *name, buf[BUFSIZ]; 4041556Srgrimes 4051556Srgrimes for (indx = 0; indx < argc; ++indx) { 4061556Srgrimes name = argv[indx]; 4071556Srgrimes if ((fd = open(name, O_RDONLY, 0)) < 0) 4081556Srgrimes goto syserr; 4091556Srgrimes if (fstat(fd, &stb)) { 4101556Srgrimessyserr: run_err("%s: %s", name, strerror(errno)); 4111556Srgrimes goto next; 4121556Srgrimes } 4131556Srgrimes switch (stb.st_mode & S_IFMT) { 4141556Srgrimes case S_IFREG: 4151556Srgrimes break; 4161556Srgrimes case S_IFDIR: 4171556Srgrimes if (iamrecursive) { 4181556Srgrimes rsource(name, &stb); 4191556Srgrimes goto next; 4201556Srgrimes } 4211556Srgrimes /* FALLTHROUGH */ 4221556Srgrimes default: 4231556Srgrimes run_err("%s: not a regular file", name); 4241556Srgrimes goto next; 4251556Srgrimes } 4261556Srgrimes if ((last = strrchr(name, '/')) == NULL) 4271556Srgrimes last = name; 4281556Srgrimes else 4291556Srgrimes ++last; 4301556Srgrimes if (pflag) { 4311556Srgrimes /* 4321556Srgrimes * Make it compatible with possible future 4331556Srgrimes * versions expecting microseconds. 4341556Srgrimes */ 4351556Srgrimes (void)snprintf(buf, sizeof(buf), "T%ld 0 %ld 0\n", 43618409Snate stb.st_mtimespec.tv_sec, stb.st_atimespec.tv_sec); 4371556Srgrimes (void)write(rem, buf, strlen(buf)); 4381556Srgrimes if (response() < 0) 4391556Srgrimes goto next; 4401556Srgrimes } 4411556Srgrimes#define MODEMASK (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 4421556Srgrimes (void)snprintf(buf, sizeof(buf), "C%04o %qd %s\n", 4431556Srgrimes stb.st_mode & MODEMASK, stb.st_size, last); 4441556Srgrimes (void)write(rem, buf, strlen(buf)); 4451556Srgrimes if (response() < 0) 4461556Srgrimes goto next; 4471556Srgrimes if ((bp = allocbuf(&buffer, fd, BUFSIZ)) == NULL) { 4481556Srgrimesnext: (void)close(fd); 4491556Srgrimes continue; 4501556Srgrimes } 4511556Srgrimes 4521556Srgrimes /* Keep writing after an error so that we stay sync'd up. */ 4531556Srgrimes for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { 4541556Srgrimes amt = bp->cnt; 4551556Srgrimes if (i + amt > stb.st_size) 4561556Srgrimes amt = stb.st_size - i; 4571556Srgrimes if (!haderr) { 4581556Srgrimes result = read(fd, bp->buf, amt); 4591556Srgrimes if (result != amt) 4601556Srgrimes haderr = result >= 0 ? EIO : errno; 4611556Srgrimes } 4621556Srgrimes if (haderr) 4631556Srgrimes (void)write(rem, bp->buf, amt); 4641556Srgrimes else { 4651556Srgrimes result = write(rem, bp->buf, amt); 4661556Srgrimes if (result != amt) 4671556Srgrimes haderr = result >= 0 ? EIO : errno; 4681556Srgrimes } 4691556Srgrimes } 4701556Srgrimes if (close(fd) && !haderr) 4711556Srgrimes haderr = errno; 4721556Srgrimes if (!haderr) 4731556Srgrimes (void)write(rem, "", 1); 4741556Srgrimes else 4751556Srgrimes run_err("%s: %s", name, strerror(haderr)); 4761556Srgrimes (void)response(); 4771556Srgrimes } 4781556Srgrimes} 4791556Srgrimes 4801556Srgrimesvoid 4811556Srgrimesrsource(name, statp) 4821556Srgrimes char *name; 4831556Srgrimes struct stat *statp; 4841556Srgrimes{ 4851556Srgrimes DIR *dirp; 4861556Srgrimes struct dirent *dp; 4871556Srgrimes char *last, *vect[1], path[MAXPATHLEN]; 4881556Srgrimes 4891556Srgrimes if (!(dirp = opendir(name))) { 4901556Srgrimes run_err("%s: %s", name, strerror(errno)); 4911556Srgrimes return; 4921556Srgrimes } 4931556Srgrimes last = strrchr(name, '/'); 4941556Srgrimes if (last == 0) 4951556Srgrimes last = name; 4961556Srgrimes else 4971556Srgrimes last++; 4981556Srgrimes if (pflag) { 4991556Srgrimes (void)snprintf(path, sizeof(path), "T%ld 0 %ld 0\n", 50018409Snate statp->st_mtimespec.tv_sec, statp->st_atimespec.tv_sec); 5011556Srgrimes (void)write(rem, path, strlen(path)); 5021556Srgrimes if (response() < 0) { 5031556Srgrimes closedir(dirp); 5041556Srgrimes return; 5051556Srgrimes } 5061556Srgrimes } 5071556Srgrimes (void)snprintf(path, sizeof(path), 5081556Srgrimes "D%04o %d %s\n", statp->st_mode & MODEMASK, 0, last); 5091556Srgrimes (void)write(rem, path, strlen(path)); 5101556Srgrimes if (response() < 0) { 5111556Srgrimes closedir(dirp); 5121556Srgrimes return; 5131556Srgrimes } 5147165Sjoerg while ((dp = readdir(dirp))) { 5151556Srgrimes if (dp->d_ino == 0) 5161556Srgrimes continue; 5171556Srgrimes if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) 5181556Srgrimes continue; 5191556Srgrimes if (strlen(name) + 1 + strlen(dp->d_name) >= MAXPATHLEN - 1) { 5201556Srgrimes run_err("%s/%s: name too long", name, dp->d_name); 5211556Srgrimes continue; 5221556Srgrimes } 5231556Srgrimes (void)snprintf(path, sizeof(path), "%s/%s", name, dp->d_name); 5241556Srgrimes vect[0] = path; 5251556Srgrimes source(1, vect); 5261556Srgrimes } 5271556Srgrimes (void)closedir(dirp); 5281556Srgrimes (void)write(rem, "E\n", 2); 5291556Srgrimes (void)response(); 5301556Srgrimes} 5311556Srgrimes 5321556Srgrimesvoid 5331556Srgrimessink(argc, argv) 5341556Srgrimes int argc; 5351556Srgrimes char *argv[]; 5361556Srgrimes{ 5371556Srgrimes static BUF buffer; 5381556Srgrimes struct stat stb; 5391556Srgrimes struct timeval tv[2]; 5401556Srgrimes enum { YES, NO, DISPLAYED } wrerr; 5411556Srgrimes BUF *bp; 5421556Srgrimes off_t i, j; 5431556Srgrimes int amt, count, exists, first, mask, mode, ofd, omode; 5447165Sjoerg int setimes, size, targisdir, wrerrno = 0; 5451556Srgrimes char ch, *cp, *np, *targ, *why, *vect[1], buf[BUFSIZ]; 5461556Srgrimes 5471556Srgrimes#define atime tv[0] 5481556Srgrimes#define mtime tv[1] 5491556Srgrimes#define SCREWUP(str) { why = str; goto screwup; } 5501556Srgrimes 5511556Srgrimes setimes = targisdir = 0; 5521556Srgrimes mask = umask(0); 5531556Srgrimes if (!pflag) 5541556Srgrimes (void)umask(mask); 5551556Srgrimes if (argc != 1) { 5561556Srgrimes run_err("ambiguous target"); 5571556Srgrimes exit(1); 5581556Srgrimes } 5591556Srgrimes targ = *argv; 5601556Srgrimes if (targetshouldbedirectory) 5611556Srgrimes verifydir(targ); 5621556Srgrimes (void)write(rem, "", 1); 5631556Srgrimes if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) 5641556Srgrimes targisdir = 1; 5651556Srgrimes for (first = 1;; first = 0) { 5661556Srgrimes cp = buf; 5671556Srgrimes if (read(rem, cp, 1) <= 0) 5681556Srgrimes return; 5691556Srgrimes if (*cp++ == '\n') 5701556Srgrimes SCREWUP("unexpected <newline>"); 5711556Srgrimes do { 5721556Srgrimes if (read(rem, &ch, sizeof(ch)) != sizeof(ch)) 5731556Srgrimes SCREWUP("lost connection"); 5741556Srgrimes *cp++ = ch; 5751556Srgrimes } while (cp < &buf[BUFSIZ - 1] && ch != '\n'); 5761556Srgrimes *cp = 0; 5771556Srgrimes 5781556Srgrimes if (buf[0] == '\01' || buf[0] == '\02') { 5791556Srgrimes if (iamremote == 0) 5801556Srgrimes (void)write(STDERR_FILENO, 5811556Srgrimes buf + 1, strlen(buf + 1)); 5821556Srgrimes if (buf[0] == '\02') 5831556Srgrimes exit(1); 5841556Srgrimes ++errs; 5851556Srgrimes continue; 5861556Srgrimes } 5871556Srgrimes if (buf[0] == 'E') { 5881556Srgrimes (void)write(rem, "", 1); 5891556Srgrimes return; 5901556Srgrimes } 5911556Srgrimes 5921556Srgrimes if (ch == '\n') 5931556Srgrimes *--cp = 0; 5941556Srgrimes 5951556Srgrimes cp = buf; 5961556Srgrimes if (*cp == 'T') { 5971556Srgrimes setimes++; 5981556Srgrimes cp++; 59913978Spst mtime.tv_sec = strtol(cp, &cp, 10); 60013978Spst if (!cp || *cp++ != ' ') 6011556Srgrimes SCREWUP("mtime.sec not delimited"); 60213978Spst mtime.tv_usec = strtol(cp, &cp, 10); 60313978Spst if (!cp || *cp++ != ' ') 6041556Srgrimes SCREWUP("mtime.usec not delimited"); 60513978Spst atime.tv_sec = strtol(cp, &cp, 10); 60613978Spst if (!cp || *cp++ != ' ') 6071556Srgrimes SCREWUP("atime.sec not delimited"); 60813978Spst atime.tv_usec = strtol(cp, &cp, 10); 60913978Spst if (!cp || *cp++ != '\0') 6101556Srgrimes SCREWUP("atime.usec not delimited"); 6111556Srgrimes (void)write(rem, "", 1); 6121556Srgrimes continue; 6131556Srgrimes } 6141556Srgrimes if (*cp != 'C' && *cp != 'D') { 6151556Srgrimes /* 6161556Srgrimes * Check for the case "rcp remote:foo\* local:bar". 6171556Srgrimes * In this case, the line "No match." can be returned 6181556Srgrimes * by the shell before the rcp command on the remote is 6191556Srgrimes * executed so the ^Aerror_message convention isn't 6201556Srgrimes * followed. 6211556Srgrimes */ 6221556Srgrimes if (first) { 6231556Srgrimes run_err("%s", cp); 6241556Srgrimes exit(1); 6251556Srgrimes } 6261556Srgrimes SCREWUP("expected control record"); 6271556Srgrimes } 6281556Srgrimes mode = 0; 6291556Srgrimes for (++cp; cp < buf + 5; cp++) { 6301556Srgrimes if (*cp < '0' || *cp > '7') 6311556Srgrimes SCREWUP("bad mode"); 6321556Srgrimes mode = (mode << 3) | (*cp - '0'); 6331556Srgrimes } 6341556Srgrimes if (*cp++ != ' ') 6351556Srgrimes SCREWUP("mode not delimited"); 6361556Srgrimes 6371556Srgrimes for (size = 0; isdigit(*cp);) 6381556Srgrimes size = size * 10 + (*cp++ - '0'); 6391556Srgrimes if (*cp++ != ' ') 6401556Srgrimes SCREWUP("size not delimited"); 6411556Srgrimes if (targisdir) { 6421556Srgrimes static char *namebuf; 6431556Srgrimes static int cursize; 6441556Srgrimes size_t need; 6451556Srgrimes 6461556Srgrimes need = strlen(targ) + strlen(cp) + 250; 6471556Srgrimes if (need > cursize) { 6481556Srgrimes if (!(namebuf = malloc(need))) 6491556Srgrimes run_err("%s", strerror(errno)); 6501556Srgrimes } 6511556Srgrimes (void)snprintf(namebuf, need, "%s%s%s", targ, 6521556Srgrimes *targ ? "/" : "", cp); 6531556Srgrimes np = namebuf; 6541556Srgrimes } else 6551556Srgrimes np = targ; 6561556Srgrimes exists = stat(np, &stb) == 0; 6571556Srgrimes if (buf[0] == 'D') { 6581556Srgrimes int mod_flag = pflag; 6591556Srgrimes if (exists) { 6601556Srgrimes if (!S_ISDIR(stb.st_mode)) { 6611556Srgrimes errno = ENOTDIR; 6621556Srgrimes goto bad; 6631556Srgrimes } 6641556Srgrimes if (pflag) 6651556Srgrimes (void)chmod(np, mode); 6661556Srgrimes } else { 6671556Srgrimes /* Handle copying from a read-only directory */ 6681556Srgrimes mod_flag = 1; 6691556Srgrimes if (mkdir(np, mode | S_IRWXU) < 0) 6701556Srgrimes goto bad; 6711556Srgrimes } 6721556Srgrimes vect[0] = np; 6731556Srgrimes sink(1, vect); 6741556Srgrimes if (setimes) { 6751556Srgrimes setimes = 0; 6761556Srgrimes if (utimes(np, tv) < 0) 6771556Srgrimes run_err("%s: set times: %s", 6781556Srgrimes np, strerror(errno)); 6791556Srgrimes } 6801556Srgrimes if (mod_flag) 6811556Srgrimes (void)chmod(np, mode); 6821556Srgrimes continue; 6831556Srgrimes } 6841556Srgrimes omode = mode; 6851556Srgrimes mode |= S_IWRITE; 6861556Srgrimes if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) { 6871556Srgrimesbad: run_err("%s: %s", np, strerror(errno)); 6881556Srgrimes continue; 6891556Srgrimes } 6901556Srgrimes (void)write(rem, "", 1); 6911556Srgrimes if ((bp = allocbuf(&buffer, ofd, BUFSIZ)) == NULL) { 6921556Srgrimes (void)close(ofd); 6931556Srgrimes continue; 6941556Srgrimes } 6951556Srgrimes cp = bp->buf; 6961556Srgrimes wrerr = NO; 6971556Srgrimes for (count = i = 0; i < size; i += BUFSIZ) { 6981556Srgrimes amt = BUFSIZ; 6991556Srgrimes if (i + amt > size) 7001556Srgrimes amt = size - i; 7011556Srgrimes count += amt; 7021556Srgrimes do { 7031556Srgrimes j = read(rem, cp, amt); 7041556Srgrimes if (j <= 0) { 7051556Srgrimes run_err("%s", j ? strerror(errno) : 7061556Srgrimes "dropped connection"); 7071556Srgrimes exit(1); 7081556Srgrimes } 7091556Srgrimes amt -= j; 7101556Srgrimes cp += j; 7111556Srgrimes } while (amt > 0); 7121556Srgrimes if (count == bp->cnt) { 7131556Srgrimes /* Keep reading so we stay sync'd up. */ 7141556Srgrimes if (wrerr == NO) { 7151556Srgrimes j = write(ofd, bp->buf, count); 7161556Srgrimes if (j != count) { 7171556Srgrimes wrerr = YES; 7188855Srgrimes wrerrno = j >= 0 ? EIO : errno; 7191556Srgrimes } 7201556Srgrimes } 7211556Srgrimes count = 0; 7221556Srgrimes cp = bp->buf; 7231556Srgrimes } 7241556Srgrimes } 7251556Srgrimes if (count != 0 && wrerr == NO && 7261556Srgrimes (j = write(ofd, bp->buf, count)) != count) { 7271556Srgrimes wrerr = YES; 7288855Srgrimes wrerrno = j >= 0 ? EIO : errno; 7291556Srgrimes } 7301556Srgrimes if (ftruncate(ofd, size)) { 7311556Srgrimes run_err("%s: truncate: %s", np, strerror(errno)); 7321556Srgrimes wrerr = DISPLAYED; 7331556Srgrimes } 7341556Srgrimes if (pflag) { 7351556Srgrimes if (exists || omode != mode) 7361556Srgrimes if (fchmod(ofd, omode)) 7371556Srgrimes run_err("%s: set mode: %s", 7381556Srgrimes np, strerror(errno)); 7391556Srgrimes } else { 7401556Srgrimes if (!exists && omode != mode) 7411556Srgrimes if (fchmod(ofd, omode & ~mask)) 7421556Srgrimes run_err("%s: set mode: %s", 7431556Srgrimes np, strerror(errno)); 7441556Srgrimes } 7451556Srgrimes (void)close(ofd); 7461556Srgrimes (void)response(); 7471556Srgrimes if (setimes && wrerr == NO) { 7481556Srgrimes setimes = 0; 7491556Srgrimes if (utimes(np, tv) < 0) { 7501556Srgrimes run_err("%s: set times: %s", 7511556Srgrimes np, strerror(errno)); 7521556Srgrimes wrerr = DISPLAYED; 7531556Srgrimes } 7541556Srgrimes } 7551556Srgrimes switch(wrerr) { 7561556Srgrimes case YES: 7571556Srgrimes run_err("%s: %s", np, strerror(wrerrno)); 7581556Srgrimes break; 7591556Srgrimes case NO: 7601556Srgrimes (void)write(rem, "", 1); 7611556Srgrimes break; 7621556Srgrimes case DISPLAYED: 7631556Srgrimes break; 7641556Srgrimes } 7651556Srgrimes } 7661556Srgrimesscrewup: 7671556Srgrimes run_err("protocol error: %s", why); 7681556Srgrimes exit(1); 7691556Srgrimes} 7701556Srgrimes 7711556Srgrimes#ifdef KERBEROS 7721556Srgrimesint 7731556Srgrimeskerberos(host, bp, locuser, user) 7741556Srgrimes char **host, *bp, *locuser, *user; 7751556Srgrimes{ 7761556Srgrimes struct servent *sp; 7771556Srgrimes 7781556Srgrimesagain: 7791556Srgrimes if (use_kerberos) { 7801556Srgrimes rem = KSUCCESS; 7811556Srgrimes errno = 0; 7821556Srgrimes if (dest_realm == NULL) 7831556Srgrimes dest_realm = krb_realmofhost(*host); 7848855Srgrimes rem = 7851556Srgrimes#ifdef CRYPT 7868855Srgrimes doencrypt ? 7871556Srgrimes krcmd_mutual(host, 7881556Srgrimes port, user, bp, 0, dest_realm, &cred, schedule) : 7891556Srgrimes#endif 7901556Srgrimes krcmd(host, port, user, bp, 0, dest_realm); 7911556Srgrimes 7921556Srgrimes if (rem < 0) { 7931556Srgrimes use_kerberos = 0; 7941556Srgrimes if ((sp = getservbyname("shell", "tcp")) == NULL) 7951556Srgrimes errx(1, "unknown service shell/tcp"); 7961556Srgrimes if (errno == ECONNREFUSED) 7971556Srgrimes oldw("remote host doesn't support Kerberos"); 7981556Srgrimes else if (errno == ENOENT) 7991556Srgrimes oldw("can't provide Kerberos authentication data"); 8001556Srgrimes port = sp->s_port; 8011556Srgrimes goto again; 8021556Srgrimes } 8031556Srgrimes } else { 8041556Srgrimes#ifdef CRYPT 8051556Srgrimes if (doencrypt) 8061556Srgrimes errx(1, 8071556Srgrimes "the -x option requires Kerberos authentication"); 8081556Srgrimes#endif 8091556Srgrimes rem = rcmd(host, port, locuser, user, bp, 0); 8101556Srgrimes } 8111556Srgrimes return (rem); 8121556Srgrimes} 8131556Srgrimes#endif /* KERBEROS */ 8141556Srgrimes 8151556Srgrimesint 8161556Srgrimesresponse() 8171556Srgrimes{ 8181556Srgrimes char ch, *cp, resp, rbuf[BUFSIZ]; 8191556Srgrimes 8201556Srgrimes if (read(rem, &resp, sizeof(resp)) != sizeof(resp)) 8211556Srgrimes lostconn(0); 8221556Srgrimes 8231556Srgrimes cp = rbuf; 8241556Srgrimes switch(resp) { 8251556Srgrimes case 0: /* ok */ 8261556Srgrimes return (0); 8271556Srgrimes default: 8281556Srgrimes *cp++ = resp; 8291556Srgrimes /* FALLTHROUGH */ 8301556Srgrimes case 1: /* error, followed by error msg */ 8311556Srgrimes case 2: /* fatal error, "" */ 8321556Srgrimes do { 8331556Srgrimes if (read(rem, &ch, sizeof(ch)) != sizeof(ch)) 8341556Srgrimes lostconn(0); 8351556Srgrimes *cp++ = ch; 8361556Srgrimes } while (cp < &rbuf[BUFSIZ] && ch != '\n'); 8371556Srgrimes 8381556Srgrimes if (!iamremote) 8391556Srgrimes (void)write(STDERR_FILENO, rbuf, cp - rbuf); 8401556Srgrimes ++errs; 8411556Srgrimes if (resp == 1) 8421556Srgrimes return (-1); 8431556Srgrimes exit(1); 8441556Srgrimes } 8451556Srgrimes /* NOTREACHED */ 8461556Srgrimes} 8471556Srgrimes 8481556Srgrimesvoid 8491556Srgrimesusage() 8501556Srgrimes{ 8511556Srgrimes#ifdef KERBEROS 8521556Srgrimes#ifdef CRYPT 8531556Srgrimes (void)fprintf(stderr, "%s\n\t%s\n", 8541556Srgrimes "usage: rcp [-Kpx] [-k realm] f1 f2", 8551556Srgrimes "or: rcp [-Kprx] [-k realm] f1 ... fn directory"); 8561556Srgrimes#else 8571556Srgrimes (void)fprintf(stderr, "%s\n\t%s\n", 8581556Srgrimes "usage: rcp [-Kp] [-k realm] f1 f2", 8591556Srgrimes "or: rcp [-Kpr] [-k realm] f1 ... fn directory"); 8601556Srgrimes#endif 8611556Srgrimes#else 8621556Srgrimes (void)fprintf(stderr, 8631556Srgrimes "usage: rcp [-p] f1 f2; or: rcp [-pr] f1 ... fn directory\n"); 8641556Srgrimes#endif 8651556Srgrimes exit(1); 8661556Srgrimes} 8671556Srgrimes 8681556Srgrimes#if __STDC__ 8691556Srgrimes#include <stdarg.h> 8701556Srgrimes#else 8711556Srgrimes#include <varargs.h> 8721556Srgrimes#endif 8731556Srgrimes 8741556Srgrimes#ifdef KERBEROS 8751556Srgrimesvoid 8761556Srgrimes#if __STDC__ 8771556Srgrimesoldw(const char *fmt, ...) 8781556Srgrimes#else 8791556Srgrimesoldw(fmt, va_alist) 8801556Srgrimes char *fmt; 8811556Srgrimes va_dcl 8821556Srgrimes#endif 8831556Srgrimes{ 8841556Srgrimes va_list ap; 8851556Srgrimes#if __STDC__ 8861556Srgrimes va_start(ap, fmt); 8871556Srgrimes#else 8881556Srgrimes va_start(ap); 8891556Srgrimes#endif 8901556Srgrimes (void)fprintf(stderr, "rcp: "); 8911556Srgrimes (void)vfprintf(stderr, fmt, ap); 8921556Srgrimes (void)fprintf(stderr, ", using standard rcp\n"); 8931556Srgrimes va_end(ap); 8941556Srgrimes} 8951556Srgrimes#endif 8961556Srgrimes 8971556Srgrimesvoid 8981556Srgrimes#if __STDC__ 8991556Srgrimesrun_err(const char *fmt, ...) 9001556Srgrimes#else 9011556Srgrimesrun_err(fmt, va_alist) 9021556Srgrimes char *fmt; 9031556Srgrimes va_dcl 9041556Srgrimes#endif 9051556Srgrimes{ 9061556Srgrimes static FILE *fp; 9071556Srgrimes va_list ap; 9081556Srgrimes#if __STDC__ 9091556Srgrimes va_start(ap, fmt); 9101556Srgrimes#else 9111556Srgrimes va_start(ap); 9121556Srgrimes#endif 9131556Srgrimes 9141556Srgrimes ++errs; 9151556Srgrimes if (fp == NULL && !(fp = fdopen(rem, "w"))) 9161556Srgrimes return; 9171556Srgrimes (void)fprintf(fp, "%c", 0x01); 9181556Srgrimes (void)fprintf(fp, "rcp: "); 9191556Srgrimes (void)vfprintf(fp, fmt, ap); 9201556Srgrimes (void)fprintf(fp, "\n"); 9211556Srgrimes (void)fflush(fp); 9221556Srgrimes 9231556Srgrimes if (!iamremote) 9241556Srgrimes vwarnx(fmt, ap); 9251556Srgrimes 9261556Srgrimes va_end(ap); 9271556Srgrimes} 928