Import Upstream version 3a1upstream/3a1

1 files changed, 0 insertions, 385 deletions

diff --git a/nclients.scm b/nclients.scm
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--- a/nclients.scm
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@@ -1,385 +0,0 @@
-;;; "nclients.scm" Interface to net-client programs.
-; Copyright 1997, 1998 Aubrey Jaffer
-;
-;Permission to copy this software, to modify it, to redistribute it,
-;to distribute modified versions, and to use it for any purpose is
-;granted, subject to the following restrictions and understandings.
-;
-;1.  Any copy made of this software must include this copyright notice
-;in full.
-;
-;2.  I have made no warrantee or representation that the operation of
-;this software will be error-free, and I am under no obligation to
-;provide any services, by way of maintenance, update, or otherwise.
-;
-;3.  In conjunction with products arising from the use of this
-;material, there shall be no use of my name in any advertising,
-;promotional, or sales literature without prior written consent in
-;each case.
-
-(require 'string-search)
-(require 'line-i/o)
-(require 'system)
-(require 'printf)
-(require 'scanf)
-
-;;@args proc
-;;@args proc k
-;;Calls @1 with @var{k} arguments, strings returned by successive
-;;calls to @code{tmpnam}.  If @1 returns, then any files named by the
-;;arguments to @1 are deleted automatically and the value(s) yielded
-;;by the @1 is(are) returned.  @var{k} may be ommited, in which case
-;;it defaults to @code{1}.
-(define (call-with-tmpnam proc . k)
-  (do ((cnt (if (null? k) 0 (+ -1 (car k))) (+ -1 cnt))
-       (paths '() (cons (tmpnam) paths)))
-      ((negative? cnt)
-       (let ((ans (apply proc paths)))
-	 (for-each (lambda (path) (if (file-exists? path) (delete-file path)))
-		   paths)
-	 ans))))
-
-;;@args
-;;@0 returns a string of the form @samp{username@r{@@}hostname}.  If
-;;this e-mail address cannot be obtained, #f is returned.
-(define user-email-address
-  (let ((user (or (getenv "USER") (getenv "USERNAME")))
-	(hostname (getenv "HOSTNAME")))	;with domain
-    (lambda ()
-      (if (not (and user hostname))
-	  (call-with-tmpnam
-	   (lambda (tmp)
-	     (define command->string
-	       (lambda (command)
-		 (and (zero? (system (string-append command " >" tmp)))
-		      (file-exists? tmp)
-		      (let ((res #f))
-			(call-with-input-file tmp
-			  (lambda (port)
-			    (and (eqv? 1 (fscanf port "%s" res)) res)))))))
-	     (case (software-type)
-	       ;;((AMIGA)				)
-	       ;;((MACOS THINKC)			)
-	       ((MS-DOS WINDOWS OS/2 ATARIST)
-		(let ((compname (getenv "COMPUTERNAME")) ;without domain
-		      (workgroup #f)
-		      (netdir (or (getenv "windir")
-				  (getenv "winbootdir")
-				  (and (getenv "SYSTEMROOT")
-				       (string-append (getenv "SYSTEMROOT")
-						      "\\system32"))
-				  "C:\\windows")))
-		  (define (net . cmd)
-		    (zero? (system (apply string-append
-					  (or netdir "")
-					  (if netdir "\\" "")
-					  "NET " cmd))))
-		  (and (not (and user hostname))
-		       (zero? (system (string-append
-				       (or netdir "")
-				       (if netdir "\\" "")
-				       "IPCONFIG /ALL > " tmp " ")))
-		       (file-exists? tmp)
-		       ;;(print tmp '=) (display-file tmp)
-		       (call-with-input-file tmp
-			 (lambda (port)
-			   (find-string-from-port? "Host Name" port)
-			   (fscanf port " %*[. ]: %s" hostname)
-			   (delete-file tmp))))
-		  (and (not (and user hostname))
-		       (net "START /LIST >" tmp)
-		       (file-exists? tmp)
-		       (not (eof-object? (call-with-input-file tmp read-char)))
-		       (cond
-			((call-with-input-file tmp
-			   (lambda (port)
-			     (find-string-from-port? "o network servic" port)))
-			 (and (net "CONFIG /YES >" tmp)
-			      (net "STOP /YES")))
-			(else (net "CONFIG /YES >" tmp)))
-		       (call-with-input-file tmp
-			 (lambda (port)
-			   (do ((line (read-line port) (read-line port)))
-			       ((eof-object? line))
-			     (sscanf line " Workstation root directory %s"
-				     netdir)
-			     (sscanf line " Computer name \\\\%s" compname)
-			     (sscanf line " Workstation Domain %s" workgroup)
-			     (sscanf line " Workgroup %s" workgroup)
-			     (sscanf line " User name %s" user)))))
-		  (and netdir (not (and user hostname))
-		       (set! netdir (string-append netdir "\\system.ini"))
-		       (file-exists? netdir)
-		       (call-with-input-file netdir
-			 (lambda (port)
-			   (and (find-string-from-port? "[DNS]" port)
-				(read-line port) ;past newline
-				(do ((line (read-line port) (read-line port)))
-				    ((not (and (string? line)
-					       (string-index line #\=))))
-				  (sscanf line "HostName=%s" compname)
-				  (sscanf line "DomainName=%s" workgroup)))))
-		       (not user)
-		       (call-with-input-file netdir
-			 (lambda (port)
-			   (and (find-string-from-port? "[Network]" port)
-				(read-line port) ;past newline
-				(do ((line (read-line port) (read-line port)))
-				    ((not (and (string? line)
-					       (string-index line #\=))))
-				  (sscanf line "UserName=%s" user))))))
-		  (if (and compname (not hostname))
-		      (set! hostname
-			    (string-append
-			     compname "." (or workgroup "localnet"))))))
-	       ;;((NOSVE)				)
-	       ;;((VMS)					)
-	       ((UNIX COHERENT)
-		(if (not user)
-		    (set! user (command->string "whoami")))
-		(if (not hostname)
-		    (set! hostname (command->string "hostname")))))
-	     (if (not user) (set! user "John_Doe"))
-	     (if (not hostname) (set! hostname "localhost")))))
-      (string-append user "@" hostname))))
-
-;;@args
-;;@0 returns a string containing the absolute file name representing
-;;the current working directory.  If this string cannot be obtained,
-;;#f is returned.
-;;
-;;If @0 cannot be supported by the platform, the value of @0 is
-;;#f.
-(define current-directory
-  (case (software-type)
-    ;;((AMIGA)				)
-    ;;((MACOS THINKC)			)
-    ((MS-DOS WINDOWS ATARIST OS/2)
-     (lambda ()
-       (call-with-tmpnam
-	(lambda (tmp)
-	  (and (zero? (system (string-append "cd >" tmp)))
-	       (file-exists? tmp)
-	       (call-with-input-file tmp
-		 (lambda (port)
-		   (let ((lst (scanf-read-list "%[^:]%[:] %s" port)))
-		     (and (pair? lst)
-			  (eqv? 3 (length lst))
-			  (apply string-append lst))))))))))
-    ;;((NOSVE)				)
-    ((UNIX COHERENT)
-     (lambda ()
-       (call-with-tmpnam
-	(lambda (tmp)
-	  (and (zero? (system (string-append "pwd >" tmp)))
-	       (file-exists? tmp)
-	       (let ((path (call-with-input-file tmp read-line)))
-		 (and (string? path) path)))))))
-    ;;((VMS)				)
-    (else #f)))
-
-;;@body
-;;Creates a sub-directory @1 of the current-directory.  If successful,
-;;@0 returns #t; otherwise #f.
-(define (make-directory name)
-  (zero? (system (string-append "mkdir " name))))
-
-;;@body
-;;Returns #t if changing directory to @1 makes the current working
-;;directory the same as it is before changing directory; otherwise
-;;returns #f.
-(define (null-directory? file-name)
-  (member file-name '("" "." "./" ".\\")))
-
-;;@body
-;;Returns #t if @1 is a fully specified pathname (does not depend on
-;;the current working directory); otherwise returns #f.
-(define (absolute-path? file-name)
-  (and (string? file-name)
-       (positive? (string-length file-name))
-       (memv (string-ref file-name 0) '(#\\ #\/))))
-
-
-;;@body Returns #t if the string @1 contains characters used for
-;;specifying glob patterns, namely @samp{*}, @samp{?}, or @samp{[}.
-(define (glob-pattern? str)
-  (let loop ((idx (+ -1 (string-length str))))
-    (if (negative? idx)
-	#f
-	(case (string-ref str idx)
-	  ((#\* #\[ #\?) #t)
-	  (else (loop (+ -1 idx)))))))
-
-;;@body
-;;Returns a list of the decoded FTP @1; or #f if indecipherable.  FTP
-;;@dfn{Uniform Resource Locator}, @dfn{ange-ftp}, and @dfn{getit}
-;;formats are handled.  The returned list has four elements which are
-;;strings or #f:
-;;
-;;@enumerate 0
-;;@item
-;;username
-;;@item
-;;password
-;;@item
-;;remote-site
-;;@item
-;;remote-directory
-;;@end enumerate
-(define (parse-ftp-address uri)
-  (define length? (lambda (len lst) (and (eqv? len (length lst)) lst)))
-  (cond
-   ((not uri) #f)
-   ((length? 1 (scanf-read-list " ftp://%s %s" uri))
-    => (lambda (host)
-	 (let ((login #f) (path #f) (dross #f))
-	   (sscanf (car host) "%[^/]/%[^@]%s" login path dross)
-	   (and login
-		(append (cond
-			 ((length? 2 (scanf-read-list "%[^@]@%[^@]%s" login))
-			  => (lambda (userpass@hostport)
-			       (append
-				(cond ((length? 2 (scanf-read-list
-						   "%[^:]:%[^@/]%s"
-						   (car userpass@hostport))))
-				      (else (list (car userpass@hostport) #f)))
-				(cdr userpass@hostport))))
-			 (else (list "anonymous" #f login)))
-			(list path))))))
-   (else
-    (let ((user@site #f) (colon #f) (path #f) (dross #f))
-      (case (sscanf uri " %[^:]%[:]%[^@] %s" user@site colon path dross)
-	((2 3)
-	 (let ((user #f) (site #f))
-	   (cond ((or (eqv? 2 (sscanf user@site "/%[^@/]@%[^@]%s"
-				      user site dross))
-		      (eqv? 2 (sscanf user@site "%[^@/]@%[^@]%s"
-				      user site dross)))
-		  (list user #f site path))
-		 ((eqv? 1 (sscanf user@site "@%[^@]%s" site dross))
-		  (list #f #f site path))
-		 (else (list #f #f user@site path)))))
-	(else
-	 (let ((site (scanf-read-list " %[^@/] %s" uri)))
-	   (and (length? 1 site) (list #f #f (car site) #f)))))))))
-
-;;@body
-;;@3 must be a non-empty string or #f.  @1 must be a non-empty list
-;;of pathnames or Glob patterns (@pxref{Filenames}) matching files to
-;;transfer.
-;;
-;;@0 puts the files specified by @1 into the @5 directory of FTP @4
-;;using name @2 with (optional) @3.
-;;
-;;If @3 is #f and @2 is not @samp{ftp} or @samp{anonymous}, then @2 is
-;;ignored; FTP takes the username and password from the @file{.netrc}
-;;or equivalent file.
-(define (ftp-upload paths user password remote-site remote-dir)
-  (call-with-tmpnam
-   (lambda (script logfile)
-     (define local-path (current-directory))
-     (define passwd (or password (user-email-address)))
-     (dynamic-wind
-      (lambda () #f)
-      (lambda ()
-	(call-with-current-continuation
-	 (lambda (exit)
-	   (define (run-ftp-script paths)
-	     (call-with-output-file script
-	       (lambda (port)
-		 (define lcd "")
-		 (cond ((or (member user '(ftp anonymous "ftp" "anonymous"))
-			    password)
-			(fprintf port "user %s %s\n" user passwd)))
-		 (fprintf port "binary\n") ; Turn binary ON for all transfers
-		 ;;(fprintf port "prompt\n") ; Turn prompt OFF for possible mget
-		 (if (not (null-directory? remote-dir))
-		     (fprintf port "cd %s\n" remote-dir))
-		 (for-each
-		  (lambda (path-name)
-		    (let* ((r/i (string-reverse-index path-name #\/))
-			   (dir (if r/i (substring path-name 0 (+ 1 r/i)) ""))
-			   (file-name (if r/i
-					  (substring path-name (+ 1 r/i)
-						     (string-length path-name))
-					  path-name)))
-		      (cond ((and r/i (glob-pattern? dir))
-			     (slib:warn
-			      "Wildcard not allowed in directory component "
-			      path-name)
-			     (exit #f))
-			    ((and (not (glob-pattern? file-name))
-				  (not (file-exists? path-name)))
-			     (slib:warn " file doesn't exist:" path-name)
-			     (exit #f))
-			    ((equal? lcd dir))
-			    ((absolute-path? dir)
-			     (fprintf port "lcd %s\n" dir))
-			    ((eqv? 0 (substring? lcd dir))
-			     (fprintf port "lcd %s\n"
-				      (substring dir (string-length lcd)
-						 (string-length dir))))
-			    (else
-			     (fprintf port "lcd %s\n" local-path)
-			     (if (not (null-directory? dir))
-				 (fprintf port "lcd %s\n" dir))))
-		      (set! lcd dir)
-		      (cond ((glob-pattern? file-name)
-			     (fprintf port "mput %s\n" file-name))
-			    (else
-			     (fprintf port "put %s\n" file-name)))))
-		  paths)))
-	     ;;(display-file script)
-	     (cond
-	      ((zero? (system
-		       (string-append
-			"ftp "
-			(if (or (member user '(ftp anonymous "ftp" "anonymous"))
-				password)
-			    "-inv" "-iv")
-			" " remote-site
-			" <" script
-			" >" logfile)))
-	       (file-exists? logfile)
-	       (call-with-input-file logfile
-		 (lambda (port)
-		   (do ((line (read-line port) (read-line port)))
-		       ((or (eof-object? line)
-			    (substring-ci? "Unknown host" line)
-			    (substring-ci? "Not connected" line)
-			    (and (memv (string-ref line 0) '(#\4 #\5))
-				 (not (substring-ci? "bytes" line))))
-			(cond ((eof-object? line) #t)
-			      (else (slib:warn line) #f)))
-		     ;;(write-line line)
-		     ))))
-	      (else (slib:warn 'ftp 'failed) #f)))
-	   (cond ((or local-path (every? absolute-file? paths))
-		  (run-ftp-script paths))
-		 (else (for-each (lambda (path) (run-ftp-script (list path)))
-				 paths))))))
-      (lambda ()
-	(if (file-exists? script) (delete-file script))
-	(if (file-exists? logfile) (delete-file logfile)))))
-   2))
-
-;;@body
-;;Returns a URI-string for @1 on the local host.
-(define (path->uri path)
-  (if (absolute-path? path)
-      (sprintf #f "file:%s" path)
-      (sprintf #f "file:%s/%s" (current-directory) path)))
-
-;;@body
-;;If a @samp{netscape} browser is running, @0 causes the browser to
-;;display the page specified by string @1 and returns #t.
-;;
-;;If the browser is not running, @0 runs @samp{netscape} with the
-;;argument @1.  If the browser starts as a background job, @0 returns
-;;#t immediately; if the browser starts as a foreground job, then @0
-;;returns #t when the browser exits; otherwise it returns #f.
-(define (browse-url-netscape url)
-  (or (eqv? 0 (system (sprintf #f "netscape-remote -remote 'openURL(%s)'" url)))
-      (eqv? 0 (system (sprintf #f "netscape -remote 'openURL(%s)'" url)))
-      (eqv? 0 (system (sprintf #f "netscape '%s'&" url)))
-      (eqv? 0 (system (sprintf #f "netscape '%s'" url)))))