Commit 6bdac736 authored by Michael Albinus's avatar Michael Albinus

* net/tramp-sh.el (tramp-maybe-open-connection): Handle user

interrupt.  (Bug#10187)
parent 95ca9bc7
2011-12-02 Michael Albinus <michael.albinus@gmx.de>
* net/tramp-sh.el (tramp-maybe-open-connection): Handle user
interrupt. (Bug#10187)
2011-12-02 Stefan Monnier <monnier@iro.umontreal.ca>
* pcmpl-gnu.el (pcomplete/tar): large-file-warn-threshold can be nil
......
......@@ -1042,9 +1042,9 @@ target of the symlink differ."
(tramp-flush-file-property l (file-name-directory l-localname))
(tramp-flush-file-property l l-localname)
;; Right, they are on the same host, regardless of user, method, etc.
;; We now make the link on the remote machine. This will occur as the user
;; that FILENAME belongs to.
;; Right, they are on the same host, regardless of user, method,
;; etc. We now make the link on the remote machine. This will
;; occur as the user that FILENAME belongs to.
(tramp-send-command-and-check
l
(format
......@@ -4224,148 +4224,166 @@ connection if a previous connection has died for some reason."
(setq p nil)))
;; New connection must be opened.
(unless (and p (processp p) (memq (process-status p) '(run open)))
;; We call `tramp-get-buffer' in order to get a debug buffer for
;; messages from the beginning.
(tramp-get-buffer vec)
(tramp-with-progress-reporter
vec 3
(if (zerop (length (tramp-file-name-user vec)))
(format "Opening connection for %s using %s"
(tramp-file-name-host vec)
(tramp-file-name-method vec))
(format "Opening connection for %s@%s using %s"
(tramp-file-name-user vec)
(tramp-file-name-host vec)
(tramp-file-name-method vec)))
;; Start new process.
(when (and p (processp p))
(delete-process p))
(setenv "TERM" tramp-terminal-type)
(setenv "LC_ALL" "C")
(setenv "PROMPT_COMMAND")
(setenv "PS1" tramp-initial-end-of-output)
(let* ((target-alist (tramp-compute-multi-hops vec))
(process-connection-type tramp-process-connection-type)
(process-adaptive-read-buffering nil)
(coding-system-for-read nil)
;; This must be done in order to avoid our file name handler.
(p (let ((default-directory
(tramp-compat-temporary-file-directory)))
(apply
'start-process
(tramp-get-connection-name vec)
(tramp-get-connection-buffer vec)
(if tramp-encoding-command-interactive
(list tramp-encoding-shell
tramp-encoding-command-interactive)
(list tramp-encoding-shell))))))
;; Set sentinel and query flag.
(tramp-set-connection-property p "vector" vec)
(set-process-sentinel p 'tramp-process-sentinel)
(tramp-compat-set-process-query-on-exit-flag p nil)
(condition-case err
(unless (and p (processp p) (memq (process-status p) '(run open)))
;; We call `tramp-get-buffer' in order to get a debug
;; buffer for messages from the beginning.
(tramp-get-buffer vec)
(tramp-with-progress-reporter
vec 3
(if (zerop (length (tramp-file-name-user vec)))
(format "Opening connection for %s using %s"
(tramp-file-name-host vec)
(tramp-file-name-method vec))
(format "Opening connection for %s@%s using %s"
(tramp-file-name-user vec)
(tramp-file-name-host vec)
(tramp-file-name-method vec)))
;; Start new process.
(when (and p (processp p))
(delete-process p))
(setenv "TERM" tramp-terminal-type)
(setenv "LC_ALL" "C")
(setenv "PROMPT_COMMAND")
(setenv "PS1" tramp-initial-end-of-output)
(let* ((target-alist (tramp-compute-multi-hops vec))
(process-connection-type tramp-process-connection-type)
(process-adaptive-read-buffering nil)
(coding-system-for-read nil)
;; This must be done in order to avoid our file
;; name handler.
(p (let ((default-directory
(tramp-compat-temporary-file-directory)))
(apply
'start-process
(tramp-get-connection-name vec)
(tramp-get-connection-buffer vec)
(if tramp-encoding-command-interactive
(list tramp-encoding-shell
tramp-encoding-command-interactive)
(list tramp-encoding-shell))))))
;; Set sentinel and query flag.
(tramp-set-connection-property p "vector" vec)
(set-process-sentinel p 'tramp-process-sentinel)
(tramp-compat-set-process-query-on-exit-flag p nil)
(tramp-message
vec 6 "%s" (mapconcat 'identity (process-command p) " "))
;; Check whether process is alive.
(tramp-barf-if-no-shell-prompt
p 60 "Couldn't find local shell prompt %s" tramp-encoding-shell)
;; Now do all the connections as specified.
(while target-alist
(let* ((hop (car target-alist))
(l-method (tramp-file-name-method hop))
(l-user (tramp-file-name-user hop))
(l-host (tramp-file-name-host hop))
(l-port nil)
(login-program
(tramp-get-method-parameter
l-method 'tramp-login-program))
(login-args
(tramp-get-method-parameter l-method 'tramp-login-args))
(async-args
(tramp-get-method-parameter l-method 'tramp-async-args))
(gw-args
(tramp-get-method-parameter l-method 'tramp-gw-args))
(gw (tramp-get-file-property hop "" "gateway" nil))
(g-method (and gw (tramp-file-name-method gw)))
(g-user (and gw (tramp-file-name-user gw)))
(g-host (and gw (tramp-file-name-real-host gw)))
(command login-program)
;; We don't create the temporary file. In fact,
;; it is just a prefix for the ControlPath option
;; of ssh; the real temporary file has another
;; name, and it is created and protected by ssh.
;; It is also removed by ssh when the connection
;; is closed.
(tmpfile
(tramp-set-connection-property
p "temp-file"
(make-temp-name
(expand-file-name
tramp-temp-name-prefix
(tramp-compat-temporary-file-directory)))))
spec)
;; Add arguments for asynchronous processes.
(when (and process-name async-args)
(setq login-args (append async-args login-args)))
;; Add gateway arguments if necessary.
(when (and gw gw-args)
(setq login-args (append gw-args login-args)))
;; Check for port number. Until now, there's no need
;; for handling like method, user, host.
(when (string-match tramp-host-with-port-regexp l-host)
(setq l-port (match-string 2 l-host)
l-host (match-string 1 l-host)))
;; Set variables for computing the prompt for reading
;; password. They can also be derived from a gateway.
(setq tramp-current-method (or g-method l-method)
tramp-current-user (or g-user l-user)
tramp-current-host (or g-host l-host))
;; Replace login-args place holders.
(setq
l-host (or l-host "")
l-user (or l-user "")
l-port (or l-port "")
spec (format-spec-make
?h l-host ?u l-user ?p l-port ?t tmpfile)
command
(concat
;; We do not want to see the trailing local prompt in
;; `start-file-process'.
(unless (memq system-type '(windows-nt)) "exec ")
command " "
(mapconcat
(lambda (x)
(setq x (mapcar (lambda (y) (format-spec y spec)) x))
(unless (member "" x) (mapconcat 'identity x " ")))
login-args " ")
;; Local shell could be a Windows COMSPEC. It
;; doesn't know the ";" syntax, but we must exit
;; always for `start-file-process'. "exec" does not
;; work either.
(if (memq system-type '(windows-nt)) " && exit || exit")))
;; Send the command.
(tramp-message vec 3 "Sending command `%s'" command)
(tramp-send-command vec command t t)
(tramp-process-actions p vec pos tramp-actions-before-shell 60)
(tramp-message
vec 3 "Found remote shell prompt on `%s'" l-host))
;; Next hop.
(setq target-alist (cdr target-alist)))
;; Make initial shell settings.
(tramp-open-connection-setup-interactive-shell p vec)))))))
vec 6 "%s" (mapconcat 'identity (process-command p) " "))
;; Check whether process is alive.
(tramp-barf-if-no-shell-prompt
p 60
"Couldn't find local shell prompt %s" tramp-encoding-shell)
;; Now do all the connections as specified.
(while target-alist
(let* ((hop (car target-alist))
(l-method (tramp-file-name-method hop))
(l-user (tramp-file-name-user hop))
(l-host (tramp-file-name-host hop))
(l-port nil)
(login-program
(tramp-get-method-parameter
l-method 'tramp-login-program))
(login-args
(tramp-get-method-parameter
l-method 'tramp-login-args))
(async-args
(tramp-get-method-parameter
l-method 'tramp-async-args))
(gw-args
(tramp-get-method-parameter l-method 'tramp-gw-args))
(gw (tramp-get-file-property hop "" "gateway" nil))
(g-method (and gw (tramp-file-name-method gw)))
(g-user (and gw (tramp-file-name-user gw)))
(g-host (and gw (tramp-file-name-real-host gw)))
(command login-program)
;; We don't create the temporary file. In
;; fact, it is just a prefix for the
;; ControlPath option of ssh; the real
;; temporary file has another name, and it is
;; created and protected by ssh. It is also
;; removed by ssh when the connection is
;; closed.
(tmpfile
(tramp-set-connection-property
p "temp-file"
(make-temp-name
(expand-file-name
tramp-temp-name-prefix
(tramp-compat-temporary-file-directory)))))
spec)
;; Add arguments for asynchronous processes.
(when (and process-name async-args)
(setq login-args (append async-args login-args)))
;; Add gateway arguments if necessary.
(when (and gw gw-args)
(setq login-args (append gw-args login-args)))
;; Check for port number. Until now, there's no
;; need for handling like method, user, host.
(when (string-match tramp-host-with-port-regexp l-host)
(setq l-port (match-string 2 l-host)
l-host (match-string 1 l-host)))
;; Set variables for computing the prompt for
;; reading password. They can also be derived
;; from a gateway.
(setq tramp-current-method (or g-method l-method)
tramp-current-user (or g-user l-user)
tramp-current-host (or g-host l-host))
;; Replace login-args place holders.
(setq
l-host (or l-host "")
l-user (or l-user "")
l-port (or l-port "")
spec (format-spec-make
?h l-host ?u l-user ?p l-port ?t tmpfile)
command
(concat
;; We do not want to see the trailing local
;; prompt in `start-file-process'.
(unless (memq system-type '(windows-nt)) "exec ")
command " "
(mapconcat
(lambda (x)
(setq x (mapcar (lambda (y) (format-spec y spec)) x))
(unless (member "" x) (mapconcat 'identity x " ")))
login-args " ")
;; Local shell could be a Windows COMSPEC. It
;; doesn't know the ";" syntax, but we must exit
;; always for `start-file-process'. "exec" does
;; not work either.
(if (memq system-type '(windows-nt)) " && exit || exit")))
;; Send the command.
(tramp-message vec 3 "Sending command `%s'" command)
(tramp-send-command vec command t t)
(tramp-process-actions
p vec pos tramp-actions-before-shell 60)
(tramp-message
vec 3 "Found remote shell prompt on `%s'" l-host))
;; Next hop.
(setq target-alist (cdr target-alist)))
;; Make initial shell settings.
(tramp-open-connection-setup-interactive-shell p vec))))
;; When the user did interrupt, we must cleanup.
(quit
(let ((p (tramp-get-connection-process vec)))
(when (and p (processp p))
(tramp-flush-connection-property vec)
(tramp-flush-connection-property p)
(delete-process p)))
;; Propagate the quit signal.
(signal (car err) (cdr err)))))))
(defun tramp-send-command (vec command &optional neveropen nooutput)
"Send the COMMAND to connection VEC.
......
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