diff options
Diffstat (limited to 'appl/rcp')
| -rw-r--r-- | appl/rcp/ChangeLog | 125 | ||||
| -rw-r--r-- | appl/rcp/Makefile.am | 15 | ||||
| -rw-r--r-- | appl/rcp/Makefile.in | 829 | ||||
| -rw-r--r-- | appl/rcp/extern.h | 51 | ||||
| -rw-r--r-- | appl/rcp/rcp.1 | 67 | ||||
| -rw-r--r-- | appl/rcp/rcp.c | 802 | ||||
| -rw-r--r-- | appl/rcp/rcp_locl.h | 67 | ||||
| -rw-r--r-- | appl/rcp/util.c | 172 |
8 files changed, 2128 insertions, 0 deletions
diff --git a/appl/rcp/ChangeLog b/appl/rcp/ChangeLog new file mode 100644 index 0000000000000..6ae6a1db0fbca --- /dev/null +++ b/appl/rcp/ChangeLog @@ -0,0 +1,125 @@ +2007-12-13 Love Hörnquist Åstrand <lha@it.su.se> + + * Makefile.am: Add missing files, from Buchan Milne. + +2006-10-20 Love Hörnquist Åstrand <lha@it.su.se> + + * Makefile.am: more files + +2006-08-08 Love Hörnquist Åstrand <lha@it.su.se> + + * util.c: Check return values from setuid, prompted by MIT + advisory. Thanks to Tom Yu at MIT, and Michael Calmer and Marcus + Meissner at SUSE. Either of CVE-2006-3083 or CVE-2006-3084. + + * rcp.c: Check return values from setuid, prompted by MIT + advisory. Thanks to Tom Yu at MIT, and Michael Calmer and Marcus + Meissner at SUSE. Either of CVE-2006-3083 or CVE-2006-3084. + + * rcp.c: Check return values from seteuid, prompted by MIT + advisory. Thanks to Tom Yu at MIT, and Michael Calmer and Marcus + Meissner at SUSE. Either of CVE-2006-3083 or CVE-2006-3084. + +2005-10-22 Love Hörnquist Åstrand <lha@it.su.se> + + * rcp.c: Check return value from asprintf instead of string != + NULL since it undefined behavior on Linux. From Björn Sandell + +2005-08-30 Love Hörnquist Åstrand <lha@it.su.se> + + * util.c: Explicit typecast to avoid signess warning. + +2005-05-29 Love Hörnquist Åstrand <lha@it.su.se> + + * rcp_locl.h: undef _PATH_RSH to make sure our version is used + +2005-05-11 David Love <fx@gnu.org> + + * rcp.c: MODEMASK is defined in sys/vnode.h on Solaris, so undef + it before we define our own. + +2005-04-27 Love Hörnquist Åstrand <lha@it.su.se> + + * rcp_locl.h: use BINDIR instead of "/usr/bin/ with _PATH_RSH + +2005-04-18 Love Hörnquist Åstrand <lha@it.su.se> + + * util.c: use unsigned char * to make sure its not negative when + passing it to is* functions + +2004-05-14 Johan Danielsson <joda@pdc.kth.se> + + * rcp.c: add -e (passed to rsh) + +2003-04-16 Johan Danielsson <joda@pdc.kth.se> + + * rcp.1: add a HISTORY section + + * rcp.1: brief manpage + + * rcp.c: add a -4 option + +2001-09-24 Johan Danielsson <joda@pdc.kth.se> + + * rcp.c: more va_* fixing; from Thomas Klausner + +2001-09-08 Assar Westerlund <assar@sics.se> + + * rcp.c (run_err): always match va_start and va_end + +2001-09-04 Assar Westerlund <assar@sics.se> + + * util.c (allocbuf): do not leak memory on failure and zero + re-used memory, from Markus Friedl <markus@openbsd.org> + +2001-07-19 Assar Westerlund <assar@sics.se> + + * rcp.c (main): add missing setprogname + +2001-06-14 Assar Westerlund <assar@sics.se> + + * rcp.c: add some const replace a few malloc/snprintf with + asprintf + * rcp.c (sizestr): remove and use snprintf to do this correctly + instead + +2001-04-21 Johan Danielsson <joda@pdc.kth.se> + + * rcp.c: convert to use getarg + + * rcp.c: do a better job of supporting files larger than 2GB + +2001-02-07 Assar Westerlund <assar@sics.se> + + * rcp.c: add -F for forwarding ticket, from Ake Sandgren + <ake@cs.umu.se> + +2001-01-29 Assar Westerlund <assar@sics.se> + + * util.c (roundup): add fallback definition + + * rcp.c: remove non-STDC code + * rcp_locl.h: add sys/types.h and sys/wait.h + + * rcp.c: no calls to err with NULL + +2001-01-28 Assar Westerlund <assar@sics.se> + + * rcp_locl.h: add + + * Makefile.am (LDADD): remove unused libraries + +2001-01-27 Assar Westerlund <assar@sics.se> + + * util.c: replace vfork by fork + + * rcp.c: add RCSID S_ISTXT -> S_ISVTX printf sizes of files with + %lu instead of %q (which is not portable) + + * util.c: add RCSID do not use sig_t + * rcp.c: remove __P, use st_mtime et al from struct stat + * extern.h: remove __P + + * initial import of port of bsd rcp changed to use existing rsh, + contributed by Richard Nyberg <rnyberg@it.su.se> + diff --git a/appl/rcp/Makefile.am b/appl/rcp/Makefile.am new file mode 100644 index 0000000000000..6b2295a3f657a --- /dev/null +++ b/appl/rcp/Makefile.am @@ -0,0 +1,15 @@ +# $Id: Makefile.am 22281 2007-12-13 20:35:52Z lha $ + +include $(top_srcdir)/Makefile.am.common + +AM_CPPFLAGS += $(INCLUDE_krb4) + +bin_PROGRAMS = rcp + +rcp_SOURCES = rcp.c util.c rcp_locl.h extern.h + +man_MANS = rcp.1 + +EXTRA_DIST = $(man_MANS) + +LDADD = $(LIB_roken) diff --git a/appl/rcp/Makefile.in b/appl/rcp/Makefile.in new file mode 100644 index 0000000000000..2ee015181aa2a --- /dev/null +++ b/appl/rcp/Makefile.in @@ -0,0 +1,829 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# $Id: Makefile.am 22281 2007-12-13 20:35:52Z lha $ + +# $Id: Makefile.am.common 10998 2002-05-19 18:35:37Z joda $ + +# $Id: Makefile.am.common 22488 2008-01-21 11:47:22Z lha $ + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(top_srcdir)/Makefile.am.common \ + $(top_srcdir)/cf/Makefile.am.common ChangeLog +bin_PROGRAMS = rcp$(EXEEXT) +subdir = appl/rcp +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/cf/aix.m4 \ + $(top_srcdir)/cf/auth-modules.m4 $(top_srcdir)/cf/autobuild.m4 \ + $(top_srcdir)/cf/broken-getaddrinfo.m4 \ + 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$(DISTFILES) $(INFO_DEPS) + list='$(DIST_SUBDIRS)'; for subdir in $$list; do \ + if test "$$subdir" != .; then \ + (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) distdir-in-tree) ; \ + fi ; \ + done +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/appl/rcp/extern.h b/appl/rcp/extern.h new file mode 100644 index 0000000000000..a98456d305e2e --- /dev/null +++ b/appl/rcp/extern.h @@ -0,0 +1,51 @@ +/*- + * 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 + * $FreeBSD$ + */ + +typedef struct { + int cnt; + char *buf; +} BUF; + +extern int iamremote; + +BUF *allocbuf (BUF *, int, int); +char *colon (char *); +void lostconn (int); +void nospace (void); +int okname (char *); +void run_err (const char *, ...); +int susystem (char *, int); +void verifydir (char *); diff --git a/appl/rcp/rcp.1 b/appl/rcp/rcp.1 new file mode 100644 index 0000000000000..920a4f7d134e2 --- /dev/null +++ b/appl/rcp/rcp.1 @@ -0,0 +1,67 @@ +.\" $Id: rcp.1 12025 2003-04-16 12:20:43Z joda $ +.\" +.Dd April 16, 2003 +.Dt RCP 1 +.Os HEIMDAL +.Sh NAME +.Nm rcp +.Nd +copy file to and from remote machines +.Sh SYNOPSIS +.Nm rcp +.Op Fl 45FKpxz +.Op Fl P Ar port +.Ar file1 file2 +.Nm rcp +.Op Fl 45FKprxz +.Op Fl P Ar port +.Ar file... directory +.Sh DESCRIPTION +.Nm rcp +copies files between machines. Each file argument is either a remote file name of the form +.Dq rname@rhost:path +or a local file (containing no colon or with a slash before the first +colon). +.Pp +Supported options: +.Bl -tag -width Ds +.It Xo +.Fl 4 , +.Fl 5 , +.Fl K , +.Fl F , +.Fl x , +.Fl z +.Xc +These options are passed on to +.Xr rsh 1 . +.It Fl P Ar port +This will pass the option +.Fl p Ar port +to +.Xr rsh 1 . +.It Fl p +Preserve file permissions. +.It Fl r +Copy source directories recursively. +.El +.\".Sh ENVIRONMENT +.\".Sh FILES +.\".Sh EXAMPLES +.Sh DIAGNOSTICS +.Nm rcp +is implemented as a protocol on top of +.Xr rsh 1 , +and thus requires a working rsh. If you intend to use Kerberos +authentication, rsh needs to be Kerberos aware, else you may see more +or less strange errors, such as "login incorrect", or "lost +connection". +.\".Sh SEE ALSO +.\".Sh STANDARDS +.Sh HISTORY +The +.Nm rcp +utility first appeared in 4.2BSD. This version is derived from +4.3BSD-Reno. +.\".Sh AUTHORS +.\".Sh BUGS diff --git a/appl/rcp/rcp.c b/appl/rcp/rcp.c new file mode 100644 index 0000000000000..9a138c7846040 --- /dev/null +++ b/appl/rcp/rcp.c @@ -0,0 +1,802 @@ +/* + * 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. + */ + +#include "rcp_locl.h" +#include <getarg.h> + +#define RSH_PROGRAM "rsh" + +struct passwd *pwd; +uid_t userid; +int errs, remin, remout; +int pflag, iamremote, iamrecursive, targetshouldbedirectory; +int doencrypt, noencrypt; +int usebroken, usekrb4, usekrb5, forwardtkt; +char *port; +int eflag = 0; + +#define CMDNEEDS 64 +char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */ + +int response (void); +void rsource (char *, struct stat *); +void sink (int, char *[]); +void source (int, char *[]); +void tolocal (int, char *[]); +void toremote (char *, int, char *[]); + +int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout); + +static int fflag, tflag; + +static int version_flag, help_flag; + +struct getargs args[] = { + { NULL, '4', arg_flag, &usekrb4, "use Kerberos 4 authentication" }, + { NULL, '5', arg_flag, &usekrb5, "use Kerberos 5 authentication" }, + { NULL, 'F', arg_flag, &forwardtkt, "forward credentials" }, + { NULL, 'K', arg_flag, &usebroken, "use BSD authentication" }, + { NULL, 'P', arg_string, &port, "non-default port", "port" }, + { NULL, 'p', arg_flag, &pflag, "preserve file permissions" }, + { NULL, 'r', arg_flag, &iamrecursive, "recursive mode" }, + { NULL, 'x', arg_flag, &doencrypt, "use encryption" }, + { NULL, 'z', arg_flag, &noencrypt, "don't encrypt" }, + { NULL, 'd', arg_flag, &targetshouldbedirectory }, + { NULL, 'e', arg_flag, &eflag, "passed to rsh" }, + { NULL, 'f', arg_flag, &fflag }, + { NULL, 't', arg_flag, &tflag }, + { "version", 0, arg_flag, &version_flag }, + { "help", 0, arg_flag, &help_flag } +}; + +static void +usage (int ret) +{ + arg_printusage (args, + sizeof(args) / sizeof(args[0]), + NULL, + "file1 file2|file... directory"); + exit (ret); +} + +int +main(int argc, char **argv) +{ + char *targ; + int optind = 0; + + setprogname(argv[0]); + if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv, + &optind)) + usage (1); + if(help_flag) + usage(0); + if (version_flag) { + print_version (NULL); + return 0; + } + + iamremote = (fflag || tflag); + + argc -= optind; + argv += optind; + + if ((pwd = getpwuid(userid = getuid())) == NULL) + errx(1, "unknown user %d", (int)userid); + + remin = STDIN_FILENO; /* XXX */ + remout = STDOUT_FILENO; + + if (fflag) { /* Follow "protocol", send data. */ + response(); + if (setuid(userid) < 0) + errx(1, "setuid failed"); + source(argc, argv); + exit(errs); + } + + if (tflag) { /* Receive data. */ + if (setuid(userid) < 0) + errx(1, "setuid failed"); + sink(argc, argv); + exit(errs); + } + + if (argc < 2) + usage(1); + if (argc > 2) + targetshouldbedirectory = 1; + + remin = remout = -1; + /* Command to be executed on remote system using "rsh". */ + snprintf(cmd, sizeof(cmd), + "rcp%s%s%s", iamrecursive ? " -r" : "", + pflag ? " -p" : "", targetshouldbedirectory ? " -d" : ""); + + signal(SIGPIPE, lostconn); + + if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */ + toremote(targ, argc, argv); + else { + tolocal(argc, argv); /* Dest is local host. */ + if (targetshouldbedirectory) + verifydir(argv[argc - 1]); + } + exit(errs); +} + +void +toremote(char *targ, int argc, char **argv) +{ + int i; + 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 */ + int ret; + *src++ = 0; + if (*src == 0) + src = "."; + host = strchr(argv[i], '@'); + if (host) { + *host++ = '\0'; + suser = argv[i]; + if (*suser == '\0') + suser = pwd->pw_name; + else if (!okname(suser)) + continue; + ret = asprintf(&bp, + "%s%s %s -l %s -n %s %s '%s%s%s:%s'", + _PATH_RSH, eflag ? " -e" : "", + host, suser, cmd, src, + tuser ? tuser : "", tuser ? "@" : "", + thost, targ); + } else { + ret = asprintf(&bp, + "exec %s%s %s -n %s %s '%s%s%s:%s'", + _PATH_RSH, eflag ? " -e" : "", + argv[i], cmd, src, + tuser ? tuser : "", tuser ? "@" : "", + thost, targ); + } + if (ret == -1) + err (1, "malloc"); + susystem(bp, userid); + free(bp); + } else { /* local to remote */ + if (remin == -1) { + if (asprintf(&bp, "%s -t %s", cmd, targ) == -1) + err (1, "malloc"); + host = thost; + + if (do_cmd(host, tuser, bp, &remin, &remout) < 0) + exit(1); + + if (response() < 0) + exit(1); + free(bp); + if (setuid(userid) < 0) + errx(1, "setuid failed"); + } + source(1, argv+i); + } + } +} + +void +tolocal(int argc, char **argv) +{ + int i; + char *bp, *host, *src, *suser; + + for (i = 0; i < argc - 1; i++) { + int ret; + + if (!(src = colon(argv[i]))) { /* Local to local. */ + ret = asprintf(&bp, "exec %s%s%s %s %s", _PATH_CP, + iamrecursive ? " -PR" : "", pflag ? " -p" : "", + argv[i], argv[argc - 1]); + if (ret == -1) + err (1, "malloc"); + if (susystem(bp, userid)) + ++errs; + 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; + } + ret = asprintf(&bp, "%s -f %s", cmd, src); + if (ret == -1) + err (1, "malloc"); + if (do_cmd(host, suser, bp, &remin, &remout) < 0) { + free(bp); + ++errs; + continue; + } + free(bp); + sink(1, argv + argc - 1); + if (seteuid(0) < 0) + exit(1); + close(remin); + remin = remout = -1; + } +} + +void +source(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. + */ + snprintf(buf, sizeof(buf), "T%ld 0 %ld 0\n", + (long)stb.st_mtime, + (long)stb.st_atime); + write(remout, buf, strlen(buf)); + if (response() < 0) + goto next; + } +#undef MODEMASK +#define MODEMASK (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO) + snprintf(buf, sizeof(buf), "C%04o %lu %s\n", + stb.st_mode & MODEMASK, + (unsigned long)stb.st_size, + last); + write(remout, buf, strlen(buf)); + if (response() < 0) + goto next; + if ((bp = allocbuf(&buffer, fd, BUFSIZ)) == NULL) { +next: 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) + write(remout, bp->buf, amt); + else { + result = write(remout, bp->buf, amt); + if (result != amt) + haderr = result >= 0 ? EIO : errno; + } + } + if (close(fd) && !haderr) + haderr = errno; + if (!haderr) + write(remout, "", 1); + else + run_err("%s: %s", name, strerror(haderr)); + response(); + } +} + +void +rsource(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) { + snprintf(path, sizeof(path), "T%ld 0 %ld 0\n", + (long)statp->st_mtime, + (long)statp->st_atime); + write(remout, path, strlen(path)); + if (response() < 0) { + closedir(dirp); + return; + } + } + snprintf(path, sizeof(path), + "D%04o %d %s\n", statp->st_mode & MODEMASK, 0, last); + write(remout, 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; + } + snprintf(path, sizeof(path), "%s/%s", name, dp->d_name); + vect[0] = path; + source(1, vect); + } + closedir(dirp); + write(remout, "E\n", 2); + response(); +} + +void +sink(int argc, char **argv) +{ + static BUF buffer; + struct stat stb; + struct timeval tv[2]; + enum { YES, NO, DISPLAYED } wrerr; + BUF *bp; + off_t i, j, size; + int amt, count, exists, first, mask, mode, ofd, omode; + int setimes, targisdir, wrerrno = 0; + 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) + umask(mask); + if (argc != 1) { + run_err("ambiguous target"); + exit(1); + } + targ = *argv; + if (targetshouldbedirectory) + verifydir(targ); + write(remout, "", 1); + if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode)) + targisdir = 1; + for (first = 1;; first = 0) { + cp = buf; + if (read(remin, cp, 1) <= 0) + return; + if (*cp++ == '\n') + SCREWUP("unexpected <newline>"); + do { + if (read(remin, &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) + write(STDERR_FILENO, + buf + 1, strlen(buf + 1)); + if (buf[0] == '\02') + exit(1); + ++errs; + continue; + } + if (buf[0] == 'E') { + write(remout, "", 1); + return; + } + + if (ch == '\n') + *--cp = 0; + + cp = buf; + if (*cp == 'T') { + setimes++; + cp++; + mtime.tv_sec = strtol(cp, &cp, 10); + if (!cp || *cp++ != ' ') + SCREWUP("mtime.sec not delimited"); + mtime.tv_usec = strtol(cp, &cp, 10); + if (!cp || *cp++ != ' ') + SCREWUP("mtime.usec not delimited"); + atime.tv_sec = strtol(cp, &cp, 10); + if (!cp || *cp++ != ' ') + SCREWUP("atime.sec not delimited"); + atime.tv_usec = strtol(cp, &cp, 10); + if (!cp || *cp++ != '\0') + SCREWUP("atime.usec not delimited"); + write(remout, "", 1); + continue; + } + if (*cp != 'C' && *cp != 'D') { + /* + * Check for the case "rcp remote:foo\* local:bar". + * In this case, the line "No match." can be returned + * by the shell before the rcp command on the remote is + * executed so the ^Aerror_message convention isn't + * followed. + */ + if (first) { + run_err("%s", cp); + exit(1); + } + SCREWUP("expected control record"); + } + mode = 0; + for (++cp; cp < buf + 5; cp++) { + if (*cp < '0' || *cp > '7') + SCREWUP("bad mode"); + mode = (mode << 3) | (*cp - '0'); + } + if (*cp++ != ' ') + SCREWUP("mode not delimited"); + + for (size = 0; isdigit((unsigned char)*cp);) + size = size * 10 + (*cp++ - '0'); + if (*cp++ != ' ') + SCREWUP("size not delimited"); + if (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)); + } + 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) + 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) + 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; + } + write(remout, "", 1); + if ((bp = allocbuf(&buffer, ofd, BUFSIZ)) == NULL) { + 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; + if((j = net_read(remin, cp, amt)) != amt) { + run_err("%s", j ? strerror(errno) : + "dropped connection"); + exit(1); + } + amt -= j; + cp += j; + 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)); + } + close(ofd); + 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: + write(remout, "", 1); + break; + case DISPLAYED: + break; + } + } +screwup: + run_err("protocol error: %s", why); + exit(1); +} + +int +response(void) +{ + char ch, *cp, resp, rbuf[BUFSIZ]; + + if (read(remin, &resp, sizeof(resp)) != sizeof(resp)) + lostconn(0); + + cp = rbuf; + switch(resp) { + case 0: /* ok */ + return (0); + default: + *cp++ = resp; + /* FALLTHROUGH */ + case 1: /* error, followed by error msg */ + case 2: /* fatal error, "" */ + do { + if (read(remin, &ch, sizeof(ch)) != sizeof(ch)) + lostconn(0); + *cp++ = ch; + } while (cp < &rbuf[BUFSIZ] && ch != '\n'); + + if (!iamremote) + write(STDERR_FILENO, rbuf, cp - rbuf); + ++errs; + if (resp == 1) + return (-1); + exit(1); + } + /* NOTREACHED */ +} + +#include <stdarg.h> + +void +run_err(const char *fmt, ...) +{ + static FILE *fp; + va_list ap; + + ++errs; + if (fp == NULL && !(fp = fdopen(remout, "w"))) + return; + va_start(ap, fmt); + fprintf(fp, "%c", 0x01); + fprintf(fp, "rcp: "); + vfprintf(fp, fmt, ap); + fprintf(fp, "\n"); + fflush(fp); + va_end(ap); + + if (!iamremote) { + va_start(ap, fmt); + vwarnx(fmt, ap); + va_end(ap); + } +} + +/* + * This function executes the given command as the specified user on the + * given host. This returns < 0 if execution fails, and >= 0 otherwise. This + * assigns the input and output file descriptors on success. + * + * If it cannot create necessary pipes it exits with error message. + */ + +int +do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout) +{ + int pin[2], pout[2], reserved[2]; + + /* + * Reserve two descriptors so that the real pipes won't get + * descriptors 0 and 1 because that will screw up dup2 below. + */ + pipe(reserved); + + /* Create a socket pair for communicating with rsh. */ + if (pipe(pin) < 0) { + perror("pipe"); + exit(255); + } + if (pipe(pout) < 0) { + perror("pipe"); + exit(255); + } + + /* Free the reserved descriptors. */ + close(reserved[0]); + close(reserved[1]); + + /* For a child to execute the command on the remote host using rsh. */ + if (fork() == 0) { + char *args[100]; + unsigned int i; + + /* Child. */ + close(pin[1]); + close(pout[0]); + dup2(pin[0], 0); + dup2(pout[1], 1); + close(pin[0]); + close(pout[1]); + + i = 0; + args[i++] = RSH_PROGRAM; + if (usekrb4) + args[i++] = "-4"; + if (usekrb5) + args[i++] = "-5"; + if (usebroken) + args[i++] = "-K"; + if (doencrypt) + args[i++] = "-x"; + if (forwardtkt) + args[i++] = "-F"; + if (noencrypt) + args[i++] = "-z"; + if (port != NULL) { + args[i++] = "-p"; + args[i++] = port; + } + if (eflag) + args[i++] = "-e"; + if (remuser != NULL) { + args[i++] = "-l"; + args[i++] = remuser; + } + args[i++] = host; + args[i++] = cmd; + args[i++] = NULL; + + execvp(RSH_PROGRAM, args); + perror(RSH_PROGRAM); + exit(1); + } + /* Parent. Close the other side, and return the local side. */ + close(pin[0]); + *fdout = pin[1]; + close(pout[1]); + *fdin = pout[0]; + return 0; +} diff --git a/appl/rcp/rcp_locl.h b/appl/rcp/rcp_locl.h new file mode 100644 index 0000000000000..4dc6d5f8eb743 --- /dev/null +++ b/appl/rcp/rcp_locl.h @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2001 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. + */ + +/* $Id: rcp_locl.h 15285 2005-05-29 18:24:43Z lha $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <sys/param.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/wait.h> + +#include <ctype.h> +#include <dirent.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <pwd.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <string.h> +#include <unistd.h> + +#include <roken.h> + +#include "extern.h" + +#ifndef _PATH_CP +#define _PATH_CP "/bin/cp" +#endif +#undef _PATH_RSH +#define _PATH_RSH BINDIR "/rsh" diff --git a/appl/rcp/util.c b/appl/rcp/util.c new file mode 100644 index 0000000000000..fe9e899ffc898 --- /dev/null +++ b/appl/rcp/util.c @@ -0,0 +1,172 @@ +/*- + * 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. + */ + +#if 0 +#ifndef lint +#if 0 +static char sccsid[] = "@(#)util.c 8.2 (Berkeley) 4/2/94"; +#endif +static const char rcsid[] = + "$FreeBSD$"; +#endif /* not lint */ +#endif + +#include "rcp_locl.h" + +RCSID("$Id: util.c 17878 2006-08-08 21:43:58Z lha $"); + +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; + unsigned char *cp; + + cp = (unsigned char *)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; +{ + void (*istat)(int), (*qstat)(int); + int status; + pid_t pid; + + pid = fork(); + switch (pid) { + case -1: + return (127); + + case 0: + if (setuid(userid) < 0) + _exit(127); + 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); +} + +#ifndef roundup +#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) +#endif + +BUF * +allocbuf(bp, fd, blksize) + BUF *bp; + int fd, blksize; +{ + struct stat stb; + size_t size; + char *p; + + 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 ((p = realloc(bp->buf, size)) == NULL) { + if (bp->buf) + free(bp->buf); + bp->buf = NULL; + bp->cnt = 0; + run_err("%s", strerror(errno)); + return (0); + } + memset(p, 0, size); + bp->buf = p; + bp->cnt = size; + return (bp); +} + +void +lostconn(signo) + int signo; +{ + if (!iamremote) + warnx("lost connection"); + exit(1); +} |