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authormrg <mrg@NetBSD.org>1998-03-08 23:36:46 +0000
committermrg <mrg@NetBSD.org>1998-03-08 23:36:46 +0000
commit5f2732ab6d77cd6dccb6a2d63b810569e00c702f (patch)
treee11fe6503655b80119bfa9aa335b4049b6a8f589 /lib/librmt
parent90e5d614676b1e673dc2180c44f893b5d6575952 (diff)
- support RCMD_CMD, ala rcmd(3).
- put paths for rsh and rmt into "pathnames.h" - document this.
Diffstat (limited to 'lib/librmt')
-rw-r--r--lib/librmt/pathnames.h32
-rw-r--r--lib/librmt/rmtlib.c22
-rw-r--r--lib/librmt/rmtops.310
3 files changed, 58 insertions, 6 deletions
diff --git a/lib/librmt/pathnames.h b/lib/librmt/pathnames.h
new file mode 100644
index 00000000000..02878229742
--- /dev/null
+++ b/lib/librmt/pathnames.h
@@ -0,0 +1,32 @@
+/* $NetBSD: pathnames.h,v 1.1 1998/03/08 23:36:46 mrg Exp $ */
+
+/*
+ * Copyright (c) 1998 Matthew R. Green
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#define _PATH_RSH "/usr/bin/rsh"
+#define _PATH_RMT "/etc/rmt"
diff --git a/lib/librmt/rmtlib.c b/lib/librmt/rmtlib.c
index 77b0593e03f..d45ad2e98f7 100644
--- a/lib/librmt/rmtlib.c
+++ b/lib/librmt/rmtlib.c
@@ -1,4 +1,4 @@
-/* $NetBSD: rmtlib.c,v 1.9 1997/10/21 19:58:21 thorpej Exp $ */
+/* $NetBSD: rmtlib.c,v 1.10 1998/03/08 23:36:46 mrg Exp $ */
/*
* rmt --- remote tape emulator subroutines
@@ -60,6 +60,8 @@
#include <varargs.h>
#endif
+#include "pathnames.h"
+
static int _rmt_close __P((int));
static int _rmt_ioctl __P((int, unsigned long, char *));
static off_t _rmt_lseek __P((int, off_t, int));
@@ -354,6 +356,8 @@ _rmt_open(path, oflag, mode)
if (rc == 0)
{
+ char *rshpath, *rsh;
+
close(0);
dup(Ptc[i][0]);
close(Ptc[i][0]); close(Ptc[i][1]);
@@ -362,15 +366,23 @@ _rmt_open(path, oflag, mode)
close(Ctp[i][0]); close(Ctp[i][1]);
(void) setuid (getuid ());
(void) setgid (getgid ());
+
+ if ((rshpath = getenv("RCMD_CMD")) == NULL)
+ rshpath = _PATH_RSH;
+ if ((rsh = strrchr(rshpath, '/')) == NULL)
+ rsh = rshpath;
+ else
+ rsh++;
+
if (*login)
{
- execl("/usr/bin/rsh", "rsh", system, "-l", login,
- "/etc/rmt", (char *) 0);
+ execl(rshpath, rsh, system, "-l", login,
+ _PATH_RMT, (char *) 0);
}
else
{
- execl("/usr/bin/rsh", "rsh", system,
- "/etc/rmt", (char *) 0);
+ execl(rshpath, rsh, system,
+ _PATH_RMT, (char *) 0);
}
/*
diff --git a/lib/librmt/rmtops.3 b/lib/librmt/rmtops.3
index e574e91a617..d69238b11e1 100644
--- a/lib/librmt/rmtops.3
+++ b/lib/librmt/rmtops.3
@@ -1,4 +1,4 @@
-.\" $NetBSD: rmtops.3,v 1.2 1996/08/09 03:39:02 jtc Exp $
+.\" $NetBSD: rmtops.3,v 1.3 1998/03/08 23:36:46 mrg Exp $
.\"
.TH RMTOPS 3
.SH NAME
@@ -191,6 +191,14 @@ file in the user's home directory, or that the application designer
be willing to have
.I rexec
prompt the user for a login name and password on the remote host.
+.SH ENVIRONMENT
+The
+.I RCMD_CMD
+environment variable can be set to the name or pathname of a program
+to use, instead of
+.P /usr/bin/rsh ,
+and must have the same calling conventions as
+.IR rsh(1).
.SH AUTHORS
Jeff Lee (gatech!jeff) wrote the original routines for accessing
tape drives via