From d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c Mon Sep 17 00:00:00 2001 From: Theo de Raadt Date: Wed, 18 Oct 1995 08:53:40 +0000 Subject: initial import of NetBSD tree --- bin/rcp/Makefile | 18 + bin/rcp/extern.h | 52 +++ bin/rcp/pathnames.h | 41 +++ bin/rcp/rcp.1 | 161 +++++++++ bin/rcp/rcp.c | 930 ++++++++++++++++++++++++++++++++++++++++++++++++++++ bin/rcp/util.c | 173 ++++++++++ 6 files changed, 1375 insertions(+) create mode 100644 bin/rcp/Makefile create mode 100644 bin/rcp/extern.h create mode 100644 bin/rcp/pathnames.h create mode 100644 bin/rcp/rcp.1 create mode 100644 bin/rcp/rcp.c create mode 100644 bin/rcp/util.c (limited to 'bin/rcp') diff --git a/bin/rcp/Makefile b/bin/rcp/Makefile new file mode 100644 index 00000000000..3658d5deab5 --- /dev/null +++ b/bin/rcp/Makefile @@ -0,0 +1,18 @@ +# $NetBSD: Makefile,v 1.6 1995/03/23 08:46:35 mycroft Exp $ +# @(#)Makefile 8.1 (Berkeley) 7/19/93 + +PROG= rcp +SRCS= rcp.c util.c +BINOWN= root +BINMODE=4555 +#INSTALLFLAGS=-fschg + +.if defined(KERBEROS) +.PATH: ${.CURDIR}/../../usr.bin/rlogin +SRCS+= krcmd.c kcmd.c +CFLAGS+=-DKERBEROS -DCRYPT +LDADD+= -lkrb -ldes +DPADD+= ${LIBKRB} ${LIBDES} +.endif + +.include diff --git a/bin/rcp/extern.h b/bin/rcp/extern.h new file mode 100644 index 00000000000..b2d1e573348 --- /dev/null +++ b/bin/rcp/extern.h @@ -0,0 +1,52 @@ +/* $NetBSD: extern.h,v 1.2 1995/03/21 08:19:01 cgd Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)extern.h 8.1 (Berkeley) 5/31/93 + */ + +typedef struct { + int cnt; + char *buf; +} BUF; + +extern int iamremote; + +BUF *allocbuf __P((BUF *, int, int)); +char *colon __P((char *)); +void lostconn __P((int)); +void nospace __P((void)); +int okname __P((char *)); +void run_err __P((const char *, ...)); +int susystem __P((char *, int)); +void verifydir __P((char *)); diff --git a/bin/rcp/pathnames.h b/bin/rcp/pathnames.h new file mode 100644 index 00000000000..04d1fb66cab --- /dev/null +++ b/bin/rcp/pathnames.h @@ -0,0 +1,41 @@ +/* $NetBSD: pathnames.h,v 1.5 1995/03/21 08:19:03 cgd Exp $ */ + +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)pathnames.h 8.1 (Berkeley) 5/31/93 + */ + +#include + +#define _PATH_CP "/bin/cp" +#define _PATH_RSH "/usr/bin/rsh" diff --git a/bin/rcp/rcp.1 b/bin/rcp/rcp.1 new file mode 100644 index 00000000000..df4bc026795 --- /dev/null +++ b/bin/rcp/rcp.1 @@ -0,0 +1,161 @@ +.\" $NetBSD: rcp.1,v 1.6 1995/07/25 19:37:25 jtc Exp $ +.\" +.\" Copyright (c) 1983, 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)rcp.1 8.1 (Berkeley) 5/31/93 +.\" +.Dd May 31, 1993 +.Dt RCP 1 +.Os BSD 4.3r +.Sh NAME +.Nm rcp +.Nd remote file copy +.Sh SYNOPSIS +.Nm rcp +.Op Fl Kpx +.Op Fl k Ar realm +.Ar file1 file2 +.Nm rcp +.Op Fl Kprx +.Op Fl k Ar realm +.Ar file ... +.Ar directory +.Sh DESCRIPTION +.Nm Rcp +copies files between machines. Each +.Ar file +or +.Ar directory +argument is either a remote file name of the +form ``rname@rhost:path'', or a local file name (containing no `:' characters, +or a `/' before any `:'s). +.Pp +.Bl -tag -width flag +.It Fl K +The +.Fl K +option turns off all Kerberos authentication. +.It Fl k +The +.Fl k +option requests +.Nm rcp +to obtain tickets +for the remote host in realm +.Ar realm +instead of the remote host's realm as determined by +.Xr krb_realmofhost 3 . +.It Fl p +The +.Fl p +option causes +.Nm rcp +to attempt to preserve (duplicate) in its copies the modification +times and modes of the source files, ignoring the +.Ar umask . +By default, the mode and owner of +.Ar file2 +are preserved if it already existed; otherwise the mode of the source file +modified by the +.Xr umask 2 +on the destination host is used. +.It Fl r +If any of the source files are directories, +.Nm rcp +copies each subtree rooted at that name; in this case +the destination must be a directory. +.It Fl x +The +.Fl x +option turns on +.Tn DES +encryption for all data passed by +.Nm rcp . +This may impact response time and +.Tn CPU +utilization, but provides +increased security. +.El +.Pp +If +.Ar path +is not a full path name, it is interpreted relative to +the login directory of the specified user +.Ar ruser +on +.Ar rhost , +or your current user name if no other remote user name is specified. +A +.Ar path +on a remote host may be quoted (using \e, ", or \(aa) +so that the metacharacters are interpreted remotely. +.Pp +.Nm Rcp +does not prompt for passwords; it performs remote execution +via +.Xr rsh 1 , +and requires the same authorization. +.Pp +.Nm Rcp +handles third party copies, where neither source nor target files +are on the current machine. +.Sh SEE ALSO +.Xr cp 1 , +.Xr ftp 1 , +.Xr rsh 1 , +.Xr rlogin 1 +.Sh HISTORY +The +.Nm rcp +utility appeared in +.Bx 4.2 . +The version of +.Nm rcp +described here +has been reimplemented with Kerberos in +.Bx 4.3 Reno . +.Sh BUGS +Doesn't detect all cases where the target of a copy might +be a file in cases where only a directory should be legal. +.Pp +Is confused by any output generated by commands in a +.Pa \&.login , +.Pa \&.profile , +or +.Pa \&.cshrc +file on the remote host. +.Pp +The destination user and hostname may have to be specified as +``rhost.rname'' when the destination machine is running the +.Bx 4.2 +version of +.Nm rcp . diff --git a/bin/rcp/rcp.c b/bin/rcp/rcp.c new file mode 100644 index 00000000000..5f92a5139d6 --- /dev/null +++ b/bin/rcp/rcp.c @@ -0,0 +1,930 @@ +/* $NetBSD: rcp.c,v 1.9 1995/03/21 08:19:06 cgd Exp $ */ + +/* + * Copyright (c) 1983, 1990, 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char copyright[] = +"@(#) Copyright (c) 1983, 1990, 1992, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)rcp.c 8.2 (Berkeley) 4/2/94"; +#else +static char rcsid[] = "$NetBSD: rcp.c,v 1.9 1995/03/21 08:19:06 cgd Exp $"; +#endif +#endif /* not lint */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "pathnames.h" +#include "extern.h" + +#ifdef KERBEROS +#include +#include + +char dst_realm_buf[REALM_SZ]; +char *dest_realm = NULL; +int use_kerberos = 1; +CREDENTIALS cred; +Key_schedule schedule; +extern char *krb_realmofhost(); +#ifdef CRYPT +int doencrypt = 0; +#define OPTIONS "dfKk:prtx" +#else +#define OPTIONS "dfKk:prt" +#endif +#else +#define OPTIONS "dfprt" +#endif + +struct passwd *pwd; +u_short port; +uid_t userid; +int errs, rem; +int pflag, iamremote, iamrecursive, targetshouldbedirectory; + +#define CMDNEEDS 64 +char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ + +#ifdef KERBEROS +int kerberos __P((char **, char *, char *, char *)); +void oldw __P((const char *, ...)); +#endif +int response __P((void)); +void rsource __P((char *, struct stat *)); +void sink __P((int, char *[])); +void source __P((int, char *[])); +void tolocal __P((int, char *[])); +void toremote __P((char *, int, char *[])); +void usage __P((void)); + +int +main(argc, argv) + 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); +} + +void +toremote(targ, argc, argv) + char *targ, *argv[]; + int argc; +{ + int i, len, tos; + char *bp, *host, *src, *suser, *thost, *tuser; + + *targ++ = 0; + if (*targ == 0) + targ = "."; + + if (thost = strchr(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 = strchr(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))) + err(1, NULL); + if (host) { + *host++ = 0; + suser = argv[i]; + if (*suser == '\0') + suser = pwd->pw_name; + 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, + "exec %s %s -n %s %s '%s%s%s:%s'", + _PATH_RSH, argv[i], cmd, src, + tuser ? tuser : "", tuser ? "@" : "", + thost, targ); + (void)susystem(bp, userid); + (void)free(bp); + } else { /* local to remote */ + if (rem == -1) { + len = strlen(targ) + CMDNEEDS + 20; + if (!(bp = malloc(len))) + err(1, NULL); + (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); + tos = IPTOS_THROUGHPUT; + if (setsockopt(rem, IPPROTO_IP, IP_TOS, + &tos, sizeof(int)) < 0) + warn("TOS (ignored)"); + if (response() < 0) + exit(1); + (void)free(bp); + (void)setuid(userid); + } + source(1, argv+i); + } + } +} + +void +tolocal(argc, argv) + int argc; + char *argv[]; +{ + int i, len, tos; + char *bp, *host, *src, *suser; + + 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))) + err(1, NULL); + (void)snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP, + iamrecursive ? " -r" : "", pflag ? " -p" : "", + argv[i], argv[argc - 1]); + if (susystem(bp, userid)) + ++errs; + (void)free(bp); + continue; + } + *src++ = 0; + if (*src == 0) + src = "."; + if ((host = strchr(argv[i], '@')) == NULL) { + host = argv[i]; + suser = pwd->pw_name; + } else { + *host++ = 0; + suser = argv[i]; + if (*suser == '\0') + suser = pwd->pw_name; + else if (!okname(suser)) + continue; + } + len = strlen(src) + CMDNEEDS + 20; + if ((bp = malloc(len)) == NULL) + err(1, NULL); + (void)snprintf(bp, len, "%s -f %s", cmd, src); + rem = +#ifdef KERBEROS + use_kerberos ? + kerberos(&host, bp, pwd->pw_name, suser) : +#endif + rcmd(&host, port, pwd->pw_name, suser, bp, 0); + (void)free(bp); + if (rem < 0) { + ++errs; + continue; + } + (void)seteuid(userid); + tos = IPTOS_THROUGHPUT; + if (setsockopt(rem, IPPROTO_IP, IP_TOS, &tos, sizeof(int)) < 0) + warn("TOS (ignored)"); + sink(1, argv + argc - 1); + (void)seteuid(0); + (void)close(rem); + rem = -1; + } +} + +void +source(argc, argv) + int argc; + char *argv[]; +{ + struct stat stb; + static BUF buffer; + BUF *bp; + off_t i; + int amt, fd, haderr, indx, result; + char *last, *name, buf[BUFSIZ]; + + for (indx = 0; indx < argc; ++indx) { + name = argv[indx]; + if ((fd = open(name, O_RDONLY, 0)) < 0) + goto syserr; + if (fstat(fd, &stb)) { +syserr: run_err("%s: %s", name, strerror(errno)); + goto next; + } + switch (stb.st_mode & S_IFMT) { + case S_IFREG: + break; + case S_IFDIR: + if (iamrecursive) { + rsource(name, &stb); + goto next; + } + /* FALLTHROUGH */ + default: + run_err("%s: not a regular file", name); + goto next; + } + if ((last = strrchr(name, '/')) == NULL) + last = name; + else + ++last; + if (pflag) { + /* + * Make it compatible with possible future + * versions expecting microseconds. + */ + (void)snprintf(buf, sizeof(buf), "T%ld 0 %ld 0\n", + stb.st_mtimespec.ts_sec, stb.st_atimespec.ts_sec); + (void)write(rem, buf, strlen(buf)); + if (response() < 0) + goto next; + } +#define MODEMASK (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) + (void)snprintf(buf, sizeof(buf), "C%04o %qd %s\n", + stb.st_mode & MODEMASK, stb.st_size, last); + (void)write(rem, buf, strlen(buf)); + if (response() < 0) + goto next; + if ((bp = allocbuf(&buffer, fd, BUFSIZ)) == NULL) { +next: (void)close(fd); + continue; + } + + /* Keep writing after an error so that we stay sync'd up. */ + for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { + amt = bp->cnt; + if (i + amt > stb.st_size) + amt = stb.st_size - i; + if (!haderr) { + result = read(fd, bp->buf, amt); + if (result != amt) + haderr = result >= 0 ? EIO : errno; + } + if (haderr) + (void)write(rem, bp->buf, amt); + else { + result = write(rem, bp->buf, amt); + if (result != amt) + haderr = result >= 0 ? EIO : errno; + } + } + if (close(fd) && !haderr) + haderr = errno; + if (!haderr) + (void)write(rem, "", 1); + else + run_err("%s: %s", name, strerror(haderr)); + (void)response(); + } +} + +void +rsource(name, statp) + char *name; + struct stat *statp; +{ + DIR *dirp; + struct dirent *dp; + char *last, *vect[1], path[MAXPATHLEN]; + + if (!(dirp = opendir(name))) { + run_err("%s: %s", name, strerror(errno)); + return; + } + last = strrchr(name, '/'); + if (last == 0) + last = name; + else + last++; + if (pflag) { + (void)snprintf(path, sizeof(path), "T%ld 0 %ld 0\n", + statp->st_mtimespec.ts_sec, statp->st_atimespec.ts_sec); + (void)write(rem, path, strlen(path)); + if (response() < 0) { + closedir(dirp); + return; + } + } + (void)snprintf(path, sizeof(path), + "D%04o %d %s\n", statp->st_mode & MODEMASK, 0, last); + (void)write(rem, path, strlen(path)); + if (response() < 0) { + closedir(dirp); + return; + } + 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) >= MAXPATHLEN - 1) { + run_err("%s/%s: name too long", name, dp->d_name); + continue; + } + (void)snprintf(path, sizeof(path), "%s/%s", name, dp->d_name); + vect[0] = path; + source(1, vect); + } + (void)closedir(dirp); + (void)write(rem, "E\n", 2); + (void)response(); +} + +void +sink(argc, argv) + 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; + int amt, count, exists, first, mask, mode, ofd, omode; + int setimes, size, targisdir, wrerrno; + char ch, *cp, *np, *targ, *why, *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) { + 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 "); + 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; + +#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". + * 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) { + static char *namebuf; + static int cursize; + size_t need; + + need = strlen(targ) + strlen(cp) + 250; + if (need > cursize) { + if (!(namebuf = malloc(need))) + run_err("%s", strerror(errno)); + } + (void)snprintf(namebuf, need, "%s%s%s", targ, + *targ ? "/" : "", cp); + np = namebuf; + } 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 != count) { + wrerr = YES; + wrerrno = j >= 0 ? EIO : errno; + } + } + count = 0; + cp = bp->buf; + } + } + if (count != 0 && wrerr == NO && + (j = write(ofd, bp->buf, count)) != 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); +} + +#ifdef KERBEROS +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 = +#ifdef CRYPT + doencrypt ? + krcmd_mutual(host, + port, user, bp, 0, dest_realm, &cred, schedule) : +#endif + krcmd(host, port, user, bp, 0, dest_realm); + + if (rem < 0) { + use_kerberos = 0; + if ((sp = getservbyname("shell", "tcp")) == NULL) + errx(1, "unknown service shell/tcp"); + if (errno == ECONNREFUSED) + oldw("remote host doesn't support Kerberos"); + else if (errno == ENOENT) + oldw("can't provide Kerberos authentication data"); + port = sp->s_port; + goto again; + } + } else { +#ifdef CRYPT + if (doencrypt) + errx(1, + "the -x option requires Kerberos authentication"); +#endif + rem = rcmd(host, port, locuser, user, bp, 0); + } + return (rem); +} +#endif /* KERBEROS */ + +int +response() +{ + char ch, *cp, resp, rbuf[BUFSIZ]; + + if (read(rem, &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 (read(rem, &ch, sizeof(ch)) != sizeof(ch)) + lostconn(0); + *cp++ = ch; + } while (cp < &rbuf[BUFSIZ] && ch != '\n'); + + if (!iamremote) + (void)write(STDERR_FILENO, rbuf, cp - rbuf); + ++errs; + if (resp == 1) + return (-1); + exit(1); + } + /* NOTREACHED */ +} + +void +usage() +{ +#ifdef KERBEROS +#ifdef CRYPT + (void)fprintf(stderr, "%s\n\t%s\n", + "usage: rcp [-Kpx] [-k realm] f1 f2", + "or: rcp [-Kprx] [-k realm] f1 ... fn directory"); +#else + (void)fprintf(stderr, "%s\n\t%s\n", + "usage: rcp [-Kp] [-k realm] f1 f2", + "or: rcp [-Kpr] [-k realm] f1 ... fn directory"); +#endif +#else + (void)fprintf(stderr, + "usage: rcp [-p] f1 f2; or: rcp [-pr] f1 ... fn directory\n"); +#endif + exit(1); +} + +#if __STDC__ +#include +#else +#include +#endif + +#ifdef KERBEROS +void +#if __STDC__ +oldw(const char *fmt, ...) +#else +oldw(fmt, va_alist) + char *fmt; + va_dcl +#endif +{ + va_list ap; +#if __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + (void)fprintf(stderr, "rcp: "); + (void)vfprintf(stderr, fmt, ap); + (void)fprintf(stderr, ", using standard rcp\n"); + va_end(ap); +} +#endif + +void +#if __STDC__ +run_err(const char *fmt, ...) +#else +run_err(fmt, va_alist) + char *fmt; + va_dcl +#endif +{ + static FILE *fp; + va_list ap; +#if __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + + ++errs; + if (fp == NULL && !(fp = fdopen(rem, "w"))) + return; + (void)fprintf(fp, "%c", 0x01); + (void)fprintf(fp, "rcp: "); + (void)vfprintf(fp, fmt, ap); + (void)fprintf(fp, "\n"); + (void)fflush(fp); + + if (!iamremote) + vwarnx(fmt, ap); + + va_end(ap); +} diff --git a/bin/rcp/util.c b/bin/rcp/util.c new file mode 100644 index 00000000000..81991f60e79 --- /dev/null +++ b/bin/rcp/util.c @@ -0,0 +1,173 @@ +/* $NetBSD: util.c,v 1.2 1995/03/21 08:19:08 cgd Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)util.c 8.2 (Berkeley) 4/2/94"; +#else +static char rcsid[] = "$NetBSD: util.c,v 1.2 1995/03/21 08:19:08 cgd Exp $"; +#endif +#endif /* not lint */ + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "extern.h" + +char * +colon(cp) + char *cp; +{ + if (*cp == ':') /* Leading colon is part of file name. */ + return (0); + + for (; *cp; ++cp) { + if (*cp == ':') + return (cp); + if (*cp == '/') + return (0); + } + return (0); +} + +void +verifydir(cp) + char *cp; +{ + struct stat stb; + + if (!stat(cp, &stb)) { + if (S_ISDIR(stb.st_mode)) + return; + errno = ENOTDIR; + } + run_err("%s: %s", cp, strerror(errno)); + exit(1); +} + +int +okname(cp0) + char *cp0; +{ + int c; + char *cp; + + cp = cp0; + do { + c = *cp; + if (c & 0200) + goto bad; + if (!isalpha(c) && !isdigit(c) && c != '_' && c != '-') + goto bad; + } while (*++cp); + return (1); + +bad: warnx("%s: invalid user name", cp0); + return (0); +} + +int +susystem(s, userid) + int userid; + char *s; +{ + sig_t istat, qstat; + int status, w; + pid_t pid; + + pid = vfork(); + switch (pid) { + case -1: + return (127); + + case 0: + (void)setuid(userid); + execl(_PATH_BSHELL, "sh", "-c", s, NULL); + _exit(127); + } + istat = signal(SIGINT, SIG_IGN); + qstat = signal(SIGQUIT, SIG_IGN); + if (waitpid(pid, &status, 0) < 0) + status = -1; + (void)signal(SIGINT, istat); + (void)signal(SIGQUIT, qstat); + return (status); +} + +BUF * +allocbuf(bp, fd, blksize) + BUF *bp; + int fd, blksize; +{ + struct stat stb; + size_t size; + + if (fstat(fd, &stb) < 0) { + run_err("fstat: %s", strerror(errno)); + return (0); + } + size = roundup(stb.st_blksize, blksize); + if (size == 0) + size = blksize; + if (bp->cnt >= size) + return (bp); + if ((bp->buf = realloc(bp->buf, size)) == NULL) { + bp->cnt = 0; + run_err("%s", strerror(errno)); + return (0); + } + bp->cnt = size; + return (bp); +} + +void +lostconn(signo) + int signo; +{ + if (!iamremote) + warnx("lost connection"); + exit(1); +} -- cgit v1.2.3