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New option for plink: "-s" specifies that the remote command is an SSH-2

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subsystem. (pinched from OpenSSH)

[originally from svn r3426]
This commit is contained in:
Jacob Nevins 2003-08-29 19:06:22 +00:00
parent d1e9569b05
commit 5690a72640
2 changed files with 29 additions and 4 deletions
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22
doc/plink.but
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@ -1,4 +1,4 @@
\versionid $Id: plink.but,v 1.18 2003/03/24 10:49:01 simon Exp $
\versionid $Id: plink.but,v 1.19 2003/08/29 19:06:22 jacob Exp $
\C{plink} Using the command-line connection tool Plink
@ -43,7 +43,7 @@ use Plink:
\c Z:\sysosd>plink
\c PuTTY Link: command-line connection utility
\c Release 0.53
\c Unidentified build, Aug 29 2003 19:49:05
\c Usage: plink [options] [user@]host [command]
\c ("host" can also be a PuTTY saved session name)
\c Options:
@ -57,6 +57,7 @@ use Plink:
\c -batch disable all interactive prompts
\c The following options only apply to SSH connections:
\c -pw passw login with specified password
\c -D listen-port Dynamic SOCKS-based port forwarding
\c -L listen-port:host:port Forward local port to remote address
\c -R listen-port:host:port Forward remote port to local address
\c -X -x enable / disable X11 forwarding
@ -65,6 +66,7 @@ use Plink:
\c -1 -2 force use of particular protocol version
\c -C enable compression
\c -i key private key file for authentication
\c -s remote command is an SSH subsystem (SSH-2 only)
Once this works, you are ready to use Plink.
@ -185,8 +187,12 @@ Plink accepts all the general command line options supported by the
PuTTY tools. See \k{using-general-opts} for a description of these
options.
In addition to this, Plink accepts one other option: the \c{-batch}
option. If you use the \c{-batch} option, Plink will never give an
Plink also supports some of its own options. The following sections
describe Plink's specific command-line options.
\S2{plink-option-batch} \c{-batch}: disable all interactive prompts
If you use the \c{-batch} option, Plink will never give an
interactive prompt while establishing the connection. If the
server's host key is invalid, for example (see \k{gs-hostkey}), then
the connection will simply be abandoned instead of asking you what
@ -196,6 +202,14 @@ This may help Plink's behaviour when it is used in automated
scripts: using \c{-batch}, if something goes wrong at connection
time, the batch job will fail rather than hang.
\S2{plink-option-s} \c{-s}: remote command is SSH subsystem
If you specify the \c{-s} option, Plink passes the specified command
as the name of an SSH \q{subsystem} rather than an ordinary command
line.
(This option is only meaningful with the SSH-2 protocol.)
\H{plink-batch} Using Plink in \i{batch files} and \i{scripts}
Once you have set up Plink to be able to log in to a remote server

11
plink.c
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@ -240,6 +240,7 @@ static void usage(void)
printf(" -1 -2 force use of particular protocol version\n");
printf(" -C enable compression\n");
printf(" -i key private key file for authentication\n");
printf(" -s remote command is an SSH subsystem (SSH-2 only)\n");
exit(1);
}
@ -279,6 +280,7 @@ int main(int argc, char **argv)
int connopen;
int exitcode;
int errors;
int use_subsystem = 0;
ssh_get_line = console_get_line;
@ -331,6 +333,9 @@ int main(int argc, char **argv)
continue;
} else if (!strcmp(p, "-batch")) {
console_batch_mode = 1;
} else if (!strcmp(p, "-s")) {
/* Save status to write to cfg later. */
use_subsystem = 1;
} else {
fprintf(stderr, "plink: unknown option \"%s\"\n", p);
errors = 1;
@ -488,6 +493,12 @@ int main(int argc, char **argv)
*/
cmdline_run_saved(&cfg);
/*
* Apply subsystem status.
*/
if (use_subsystem)
cfg.ssh_subsys = TRUE;
/*
* Trim a colon suffix off the hostname if it's there.
*/