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Comment:added code to open up areas using sauthorize
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SHA1: 73c740379892939242ef547196f1706d02abb370
User & Date: pjhatwal on 2016-11-08 17:32:09
Other Links: branch diff | manifest | tags
Context
2016-12-28
16:34
added restrictions check-in: 8f1efb99dc user: pjhatwal tags: pjhatwal
2016-11-08
17:32
added code to open up areas using sauthorize check-in: 73c7403798 user: pjhatwal tags: pjhatwal
2016-08-12
14:39
added sauthorize check-in: 05e4a3078e user: pjhatwal tags: pjhatwal
Changes

Modified sample-sauth-paths.scm from [d3b3556070] to [f487fed4c2].

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(define *db-path* "/path/to/db") 
(define *exe-path* "/tmp/to/store/suids")  
(define *exe-path* "/path/to/store/suids")  
(define *exe-src* "/path/to/spublish/and/sretrieve/executables")
(define *sauth-path* "/path/to/production/sauthorize/exe")

Modified sauth-common.scm from [dc89a243d6] to [eb9724eec8].

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            (set! (current-effective-user-id) cid))
     ;(print 0 "cid " cid " eid:" eid)
    (proc)
    (if (not (eq? eid cid))
        (set! (current-effective-user-id) eid))))


(define (run-cmd cmd arg-list)
  ; (print (current-effective-user-id))
   ;(handle-exceptions
;	     exn
;	     (print 0 "ERROR: failed to run script " cmd " with params " arg-list " " (exn assert))
	     (let ((pid (process-run cmd arg-list)))
	       (process-wait pid))
)
;)


(define (regster-log inl usr-id  area-id  cmd)
  (sauth-common:shell-do-as-adm
        (lambda ()
         (sauthorize:db-do   (lambda (db)
             (sauthorize:db-qry db (conc "INSERT INTO actions (cmd,user_id,area_id,action_type ) VALUES ('sretrieve " inl "'," usr-id ","  area-id ", 'cat' )")))))))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Check user types
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;



;;check if a user is an admin
(define (is-admin username)
   (let* ((admin #f))
    (sauthorize:db-do  (lambda (db)
        (let* ((data-row (query fetch (sql db (conc "SELECT users.is_admin FROM  users where users.username = '" username "'")))))
        (if (not (null? data-row))
             (let ((col  (car data-row)))
             (if (equal? col "yes")
                   (set! admin #t)))))))  	        
admin))


;;check if a user is an read-admin
(define (is-read-admin username)
   (let* ((admin #f))
    (sauthorize:db-do  (lambda (db)
        (let* ((data-row (query fetch (sql db (conc "SELECT users.is_admin FROM  users where users.username = '" username "'")))))
        (if (not (null? data-row))
             (let ((col  (car data-row)))
             (if (equal? col "read-admin")
                   (set! admin #t)))))))  	        
admin))


;;check if user has specifc role for a area
(define (is-user role username area)
  (let* ((has-access #f))
    (sauthorize:db-do  (lambda (db)
        (let* ((data-row (query fetch (sql db (conc "SELECT  permissions.access_type, permissions.expiration FROM  users ,  areas, permissions where permissions.user_id = users.id and permissions.area_id = areas.id and users.username = '" username "' and areas.code = '" area "'")))))
        (if (not (null? data-row))
           (begin
             (let* ((access-type  (car data-row))
               (let* ((access-type  (car data-row))
                    (exdate (cadr data-row)))
               (if (not (null? exdate)) 
               (begin 
                  (let ((valid (is-access-valid  exdate)))
                   ;(print valid) 
                  (if (and (equal? access-type role)
                        (equal? valid #t))
                   (set! has-access #t))))
                (print "Access expired")))))))
                (print "Access expired"))))))))
 ;(print has-access)
has-access))

(define (is-access-valid exp-str)
    (let* ((ret-val #f )
           (date-parts  (string-split exp-str "/"))
           (yr (string->number (car date-parts)))
           (month (string->number(car (cdr date-parts)))) 
           (day (string->number(caddr date-parts)))
           (exp-date (make-date 0 0 0 0 day month yr )))
             ;(print  exp-date)
             ;(print (current-date))   
            (if (> (date-compare exp-date  (current-date)) 0)
             (set! ret-val #t))
   ;(print ret-val)
   ret-val))


;check if area exists
(define (area-exists area)
   (let* ((area-defined #f))
    (sauthorize:db-do  (lambda (db)
        (let* ((data-row (query fetch (sql db (conc "SELECT  id FROM  areas where areas.code = '" area "'")))))
           (if (not (null? data-row))
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(define (get-perm userid areaid)
  (let* ((user-defined '()))
    (sauthorize:db-do  (lambda (db)
          (let* ((data-row (query fetch (sql db (conc "SELECT  id FROM  permissions where user_id = " userid " and area_id = " areaid)))))
         (set!  user-defined data-row))))

user-defined))

(define (get-restrictions base-path usr)
(let* ((user-defined '()))
    (sauthorize:db-do  (lambda (db)
          (let* ((data-row (query fetch (sql db (conc "SELECT  restriction FROM areas, users, permissions where  areas.id = permissions.area_id and users.id =  permissions.user_id and  users.username = '" usr "' and areas.basepath = '" base-path "'")))))
         ;(print data-row) 
         (set!  user-defined data-row))))
    ;   (print user-defined)
  (if (null? user-defined)
      ""
      (car user-defined))))


(define (get-obj-by-path path)
   (let* ((obj '()))
    (sauthorize:db-do  (lambda (db)
        (let* ((data-row (query fetch (sql db (conc "SELECT  code,exe_name, id, basepath FROM  areas where areas.basepath = '" path "'")))))
         (set!  obj data-row))))
obj))

(define (get-obj-by-code code )
  (let* ((obj '()))
    (sauthorize:db-do  (lambda (db)
        (let* ((data-row (query fetch (sql db (conc "SELECT  code, exe_name,  id, basepath  FROM  areas where areas.code = '" code "'")))))
         (set!  obj data-row))))
;(print obj)
obj))



;; function to validate the users input for target path and resolve the path
;; TODO: Check for restriction in subpath 
(define (sauth-common:resolve-path  new current allowed-sheets)
   (let* ((target-path (append  current (string-split new "/")))
          (target-path-string (string-join target-path "/"))
          (normal-path (normalize-pathname target-path-string))
          (normal-list (string-split normal-path "/"))
           (ret '()))
   (if (string-contains   normal-path "..")
    (begin
      (print "ERROR: Path  " new " resolved outside target area ")
      #f)
    (if(equal? normal-path ".")
      ret  
    (if (not (member  (car normal-list) allowed-sheets))
      (begin
      (print "ERROR: Permision denied to  " new )
       #f)
    normal-list)))))

(define (sauth-common:get-target-path base-path-list ext-path top-areas base-path)
  (let* ((resolved-path (sauth-common:resolve-path ext-path base-path-list top-areas ))
          (usr (current-user-name) ) )
          (if (not (equal? resolved-path #f))
           (if (null? resolved-path) 
             #f
           (let* ((sheet (car resolved-path))
                   (restricted-areas (get-restrictions base-path usr))
                   (restrictions (conc ".*" (string-join (string-split restricted-areas ",") ".*|.*") ".*"))
           	   (target-path (if (null? (cdr resolved-path)) 
                                     base-path 
                                     (conc base-path "/" (string-join (cdr resolved-path) "/")))))
                   ; (print restricted-areas)     
                    (if (and (not (equal? restricted-areas "" ))
                             (string-match (regexp  restrictions) target-path)) 
                        (begin
                          (print "Access denied to " (string-join resolved-path "/"))
                          ;(exit 1)   
                         #f)
                                        target-path)))
             #f)))

(define (sauth-common:shell-ls-cmd base-path-list ext-path top-areas base-path tail-cmd-list)
    (if (and (null? base-path-list) (equal? ext-path "") )
      (print (string-intersperse top-areas " "))
  (let* ((resolved-path (sauth-common:resolve-path ext-path base-path-list top-areas )))
           ;(print resolved-path)
           (if (not (equal? resolved-path #f))
           (if (null? resolved-path) 
             (print (string-intersperse top-areas " "))
           (let* ((target-path (sauth-common:get-target-path  base-path-list  ext-path top-areas base-path)))
                (print target-path)
                (if (not (equal? target-path #f))
                (begin 
                (cond
		  ((null? tail-cmd-list)
		     (run (pipe
      	      	      (ls "-lrt" ,target-path))))
		  ((not (equal? (car tail-cmd-list) "|"))
                         (print "ls cmd cannot accept " (string-join tail-cmd-list) " as an argument!!"))
                  (else  
                    (run (pipe
      	      	      (ls "-lrt" ,target-path)
                      (begin (system (string-join (cdr tail-cmd-list))))))
      )
)))
))))))

Modified sauthorize.scm from [a50f9fda9a] to [4c31f38efa].

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                      "retrieve") 
                   ((equal? hed "--publish")
                      "publish") 
                   ((equal? hed "--area-admin")
                      "area-admin")
                   ((equal? hed "--writer-admin")
                      "writer-admin")
                   ((equal? hed "--read-admin")
                      "read-admin")

                   ((null? tal)
                      #f) 
                   (else 
		  	(loop (car tal)(cdr tal))))))


(define (is-access-valid exp-str)
    (let* ((ret-val #f )
           (date-parts  (string-split exp-str "/"))
           (yr (string->number (car date-parts)))
           (month (string->number(car (cdr date-parts)))) 
           (day (string->number(caddr date-parts)))
           (exp-date (make-date 0 0 0 0 day month yr )))
             ;(print  exp-date)
             ;(print (current-date))   
            (if (> (date-compare exp-date  (current-date)) 0)
             (set! ret-val #t))
   ;(print ret-val)
   ret-val))

;; check if user can gran access to an area
(define (can-grant-perm username access-type area)
   (let* ((isadmin (is-admin username))
          (is-area-admin (is-user "area-admin" username area ))
          (is-read-admin (is-user "read-admin" username area) )
          (is-writer-admin (is-user "writer-admin" username area) ) )
   (cond
   ((equal? isadmin  #t)
     #t)
   ((equal? is-area-admin #t ) 
     #t)
   ((and (equal? is-writer-admin #t ) (equal? access-type "retrieve"))
     #t)
   ((and (equal? is-read-admin #t ) (equal? access-type "retrieve"))
     #t)

   (else  
    #f))))

(define (sauthorize:list-areausers  area )
  (sauthorize:db-do  (lambda (db)
				     (print "Users having access to " area ":")
				     (query (for-each-row
					     (lambda (row)
                                               (let* ((exp-date (cadr row)))
                                                (if  (is-access-valid  exp-date)   
					        (apply print (intersperse row " | "))))))
					    (sql db (conc "SELECT users.username, permissions.expiration, permissions.access_type  FROM users, areas, permissions where permissions.user_id = users.id and permissions.area_id = areas.id and areas.code = '" area "'"))))))





(define (get-obj-by-path path)
   (let* ((obj '()))
    (sauthorize:db-do  (lambda (db)
        (let* ((data-row (query fetch (sql db (conc "SELECT  code,exe_name, id, basepath FROM  areas where areas.basepath = '" path "'")))))
         (set!  obj data-row))))
obj))

(define (get-obj-by-code code )
  (let* ((obj '()))
    (sauthorize:db-do  (lambda (db)
        (let* ((data-row (query fetch (sql db (conc "SELECT  code, exe_name,  id, basepath  FROM  areas where areas.code = '" code "'")))))
         (set!  obj data-row))))
obj))



; check if executable exists
(define (exe-exist exe access-type)
    (let* ((filepath (conc *exe-path* "/" access-type "/" exe)))
    ; (print filepath)
     (if (file-exists? filepath)
       #t
       #f)))

(define (copy-exe access-type exe-name group)
  (run-cmd "/bin/chmod" (list "g+w" (conc *exe-path* "/" access-type)))
  (let* ((spath (conc *exe-src*  "/s" access-type))
         (dpath (conc *exe-path* "/" access-type "/" exe-name)))
         (sauthorize:do-as-calling-user
        (lambda ()
            (run-cmd "/bin/cp" (list spath dpath )) 
            (if (equal? access-type "publish")
              (run-cmd "/bin/chmod" (list "u+s,o+rx" dpath))
              (begin
            (run-cmd "/bin/chgrp" (list group dpath))
            (run-cmd "/bin/chmod" (list "u+s,g+s" dpath))))
              (run-cmd "/bin/chgrp" (list group dpath))
              (run-cmd "/bin/chmod" (list "g+s,o+rx" dpath))))
))
	(run-cmd "chmod" (list "g-w" (conc *exe-path* "/" access-type)))))

(define (get-exe-name path group)
   (let ((name ""))
   (sauthorize:do-as-calling-user
        (lambda ()
        (if (equal? (current-effective-user-id) (file-owner path)) 
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                   (exit 1))
            (else
                (if (not (exe-exist exe-name  access-type))
                        (copy-exe access-type exe-name group))
                (sauthorize:db-do   (lambda (db)
             (sauthorize:db-qry db (conc "insert into areas (code, basepath, exe_name) values ('" code "', '" path "', '" exe-name "') "))))))))

(define (user-has-open-perm user path)
(define (user-has-open-perm user path access)
  (let* ((has-access #f)
         (eid (current-user-id)))
    (cond
     ((is-admin  user)
       (set! has-access #t ))
     ((and (is-read-admin  user) (equal? access "retrieve"))
       (set! has-access #t ))
     (else
        (print "User " user " does not have permission to open areas")))
        has-access))

(define (run-cmd cmd arg-list)
   (handle-exceptions
	     exn
	     (debug:print 0 "ERROR: failed to run script " conversion-script " with params " upstream-file " " package-config)
	     (let ((pid (process-run cmd arg-list)))
	       (process-wait pid))))

;;check if user has group access
(define (is-group-washed req_grpid current-grp-list)
  (let loop ((hed (car current-grp-list))
		 (tal (cdr current-grp-list)))
                   (cond
                   ((equal? hed req_grpid)
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       (begin
       (print "Group " group " is not washed in the current xterm!!") 
       (exit 1)))) 
   (if (not (file-write-access? path))
     (begin
       (print "You can open areas owned by yourself. You do not have permissions to open path." path)
        (exit 1)))
   (if (user-has-open-perm user path)
   (if (user-has-open-perm user path access-type)
      (begin  
       (open-area group path code access-type)
       (sauthorize:grant user user code "2017/12/25"  "read-admin" "") 
       (sauthorize:db-do   (lambda (db)
             (sauthorize:db-qry db (conc "INSERT INTO actions (cmd,user_id,area_id,action_type ) VALUES ('sauthorize open " path " --code " code " --group " group " --" access-type "'," (car (get-user user)) "," (car (get-area code)) ", 'open' )"))))
         (print "Area has " path "  been opened for " access-type ))))

(define (sauthorize:grant auser guser area exp-date access-type restrict)
    ; check if user exist
    (let* ((area-obj (get-area area))
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            (sauthorize:db-qry db (conc "insert into permissions (access_type, user_id, area_id, restriction, expiration ) values ('" access-type "', " (car user-obj) ", " (car area-obj) ", '" restrict "', '" exp-date "')")))))
          (begin 
             ;update permissions
             (sauthorize:db-do   (lambda (db)
             (sauthorize:db-qry db (conc "update permissions set access_type = '" access-type "' , restriction = '" restrict "', expiration =  '" exp-date "' where user_id = " (car user-obj) " and area_id = " (car area-obj)))))))
             (sauthorize:db-do   (lambda (db)
             (sauthorize:db-qry db (conc "INSERT INTO actions (cmd,user_id,area_id,action_type ) VALUES ('sauthorize grant " guser " --area " area " --expiration " exp-date " --" access-type " --restrict " restrict "'," (car auser-obj) "," (car area-obj) ", 'grant' )"))))  
             (print "Permission has been sucessfully granted to user " guser)   )))
             (print "Permission has been sucessfully granted to user " guser))))

(define (sauthorize:process-action  username action . args)
   (case (string->symbol action)
   ((grant)
      (if (< (length args) 6)
         (begin 
	     (print  "ERROR: Missing arguments; " (string-intersperse args ", "))
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              (print "Missing argument area code to list-area-user ") 
              (exit 1)))
           (let* ((area (car args)))
           (if (not (area-exists area))
              (begin
              (print "Area does not exisit!!")
              (exit 1))) 
            (if (can-grant-perm username "retrieve" area)
	       (sauthorize:list-areausers  area )
               (print "User does not have access to run this cmd!"))))
                                
                (sauthorize:list-areausers  area )
              ))
      ((read-shell)
          (if (not (equal? (length args) 1))
              (begin
              (print "Missing argument area code to read-shell ") 
              (exit 1)))
           (let* ((area (car args))
                  (code-obj (get-obj-by-code area)))
           (if (or (null? code-obj)
                   (not (exe-exist (cadr code-obj)  "retrieve")))
              (begin
              (print "Area " area " is not open for reading!!")
              (exit 1))) 
              (sauthorize:do-as-calling-user
             (lambda ()
                (run-cmd (conc *exe-path* "/retrieve/" (cadr code-obj) ) (list "shell" ))))))
                (run-cmd (conc *exe-path* "/retrieve/" (cadr code-obj) ) (list "shell" area ))))))
      ((write-shell)
          (if (not (equal? (length args) 1))
              (begin
              (print "Missing argument area code to read-shell ") 
              (exit 1)))
           (let* ((area (car args))
                  (code-obj (get-obj-by-code area)))
           (if (or (null? code-obj)
                   (not (exe-exist (cadr code-obj)  "publish")))
              (begin
              (print "Area " area " is not open for reading!!")
              (exit 1))) 
              (sauthorize:do-as-calling-user
             (lambda ()
                (run-cmd (conc *exe-path* "/publish/" (cadr code-obj) ) (list "shell" ))))))
                (run-cmd (conc *exe-path* "/publish/" (cadr code-obj) ) (list "shell" area))))))
 
 
      ((open)
         (if (< (length args) 6)
              (begin
              (print "sauthorize open cmd takes 6 arguments!! \n Useage: sauthorize open <path> --group <grpname> --code <unique short identifier for an area> --retrieve|--publish") 
              (exit 1)))
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                  (exit 1))   
                ((equal? area "")
                  (print "--code not found!! Try \"sauthorize help\" for useage ")
                  (exit 1)) 
                ((equal? access-type #f)
                  (print "Access type not found!! Try \"sauthorize help\" for useage ")
                  (exit 1)) 
                ((or (equal? access-type "area-admin") 
                  (equal? access-type "writer-admin"))
                ((and (not (equal? access-type "publish")) 
                  (not (equal? access-type "retrieve")))
                  (print "Access type can be eiter --retrieve or --publish !! Try \"sauthorize help\" for useage ")
                  (exit 1)))
                  
                (sauthorize:open username path group area access-type)))  
      (else (debug:print 0 "Unrecognised command " action))))
                (sauthorize:open username path group area access-type)))
         ((register-log)
            (if (< (length args) 4)
                (print "Invalid arguments"))
             ;(print args)
             (let* ((cmd-line (car args))
                     (user-id (cadr args))
                     (area-id (caddr args))
                     (user-obj (get-user username))
                      (cmd (cadddr args)))
                
               (if (and (not (null? user-obj)) (equal? user-id (number->string(car user-obj))))
                (begin 
                (sauthorize:db-do   (lambda (db)
             (sauthorize:db-qry db (conc "INSERT INTO actions (cmd,user_id,area_id,action_type ) VALUES ('" cmd-line"', " user-id "," area-id ", '" cmd "')" )))))
                (print "You ar not authorised to run this cmd")

)))     

       
      (else (print 0 "Unrecognised command " action))))
  
(define (main)
  (let* ((args      (argv))
	 (prog      (car args))
	 (rema      (cdr args))
         (username     (current-user-name)))
    ;; preserve the exe data in the config file

Modified spublish.scm from [238d94c641] to [8dcb81c313].

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;; Copyright 2006-2013, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

(use defstruct)
(use scsh-process)

(use refdb)


;; (use ssax)
;; (use sxml-serializer)
;; (use sxml-modifications)
;; (use regex)
;; (use srfi-69)
;; (use regex-case)
;; (use posix)
;; (use json)
;; (use csv)
(use srfi-18)
(use srfi-19)

(use format)

;; (require-library ini-file)
;; (import (prefix ini-file ini:))

(use sql-de-lite srfi-1 posix regex regex-case srfi-69)
;; (import (prefix sqlite3 sqlite3:))
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;; (declare (uses db))
;; (declare (uses synchash))
;; (declare (uses server))
(declare (uses megatest-version))
;; (declare (uses tbd))

(include "megatest-fossil-hash.scm")
;;; please create this file before using sautherise. For sample file is avaliable sample-sauth-paths.scm. 
(include "sauth-paths.scm")
(include "sauth-common.scm")


;;
;; GLOBALS
;;
(define *spublish:current-tab-number* 0)
(define *args-hash* (make-hash-table))
(define spublish:help (conc "Usage: spublish [action [params ...]]

  ls                     : list contents of target area
  cp|publish <src file> <relative dest>      : copy file to target area
  cp|publish <src file> <destination>      : copy file to target area
  mkdir <dir name>       : maks directory in target area  
  rm <file>              : remove file <file> from target area
  ln <target> <link name> : creates a symlink
  log                    :

  options:

    -m \"message\"        : describe what was done

Note: All the target locations relative to base path 
Part of the Megatest tool suite.
Learn more at http://www.kiatoa.com/fossils/megatest

Version: " megatest-fossil-hash)) ;; "

;;======================================================================
;; RECORDS
;;======================================================================

;;======================================================================
;; DB
;;======================================================================

(define *default-log-port* (current-error-port))
(define *verbosity*         1)

(define (spublish:initialize-db db)
  (for-each
   (lambda (qry)
     (exec (sql db qry)))
   (list 
    "CREATE TABLE IF NOT EXISTS actions
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     configdat
     (lambda (db)
       (spublish:register-action db "cp" submitter source-path comment)))
    (let* (;; (target-path (configf:lookup "settings" "target-path"))
	   (th1         (make-thread
			 (lambda ()
			   (file-copy source-path targ-path #t))
                            (print " ... file " targ-path " copied to" targ-path)
                            (print " ... file " targ-path " copied to " targ-path)
			 ;; (let ((pid (process-run "cp" (list source-path target-dir))))
			 ;;   (process-wait pid)))
			 "copy thread"))
	   (th2         (make-thread
			 (lambda ()
			   (let loop ()
			     (thread-sleep! 15)
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      (let loop ((hed (car paths))
		 (tal (cdr paths)))
	(if (file-exists? (conc hed "/" name))
	    hed
	    (if (null? tal)
		#f
		(loop (car tal)(cdr tal)))))))
;;========================================================================
;;Shell 
;;========================================================================
(define (spublish:get-accessable-projects  area)
   (let* ((projects `()))
     ;  (print "in spublish:get-accessable-projects") 
        ;(print (spublish:has-permission area))
        (if (spublish:has-permission area)
               (set! projects (cons area projects))
               (begin
                 (print "User cannot access area " area "!!")  
                (exit 1))) 
       ;  (print "exiting spublish:get-accessable-projects")
    projects))

;; function to find sheets to which use has access 
(define (spublish:has-permission  area)
  ;(print "in spublish:has-permission")
  (let* ((username     (current-user-name))
        (ret-val #f))
  (cond
   ((equal? (is-admin username) #t)
     (set! ret-val #t))
    ((equal? (is-user "publish" username area) #t)
     (set! ret-val #t))
   ((equal? (is-user "writer-admin" username area) #t) 
     (set! ret-val #t))

   ((equal? (is-user "area-admin" username area) #t) 
     (set! ret-val #t))
   (else  
    (set! ret-val #f)))
  ;  (print ret-val)
     ret-val))

(define (is_directory target-path) 
  (let* ((retval #f))
  (sauthorize:do-as-calling-user
    	(lambda ()
          ;(print (current-effective-user-id) ) 
          (if (directory? target-path)
               (set! retval  #t))))
             ;(print (current-effective-user-id))
     retval)) 


(define (spublish:shell-cp src-path target-path)  
  (cond
   ((not (file-exists? target-path))
	(print "ERROR: target Directory " target-path " does not exist!!"))
   ((not (file-exists? src-path))
    (print "Error: Source path " src-path " does not exist!!" ))
   (else
     (if (is_directory src-path) 
        (begin
            (let* ((parent-dir src-path)
                   (start-dir target-path))
                 ;(print "parent-dir " parent-dir " start-dir " start-dir)   
                 (run (pipe
                   (begin (system (conc "cd " parent-dir " ;tar chf - ." )))
                   (begin (change-directory start-dir)
                          ;(print "123")
                          (run-cmd "tar" (list "xf" "-"))))))) 
        (begin
           (let*((parent-dir (pathname-directory src-path))
                  (start-dir target-path)
                (filename (if  (pathname-extension src-path)  
                                      (conc(pathname-file src-path) "." (pathname-extension src-path))
                                      (pathname-file src-path))))
                ;(print "parent-dir " parent-dir " start-dir " start-dir)   
                 (run (pipe
                   (begin (system (conc "cd " parent-dir ";tar chf - " filename )))
                   (begin (change-directory start-dir)
                          (run-cmd "tar" (list "xf" "-"))) 
                  ))))))))


(define (spublish:shell-mkdir targ-path)
    (if (file-exists? targ-path)
	(begin
	  (print "ERROR: target Directory " targ-path " already exist!!"))
        (let* ((th1         (make-thread
			 (lambda ()
			   (create-directory targ-path #t)
			   (print " ... dir " targ-path " created"))
			 "mkdir thread"))
	   (th2         (make-thread
			 (lambda ()
			   (let loop ()
			     (thread-sleep! 15)
			     (display ".")
			     (flush-output)
			     (loop)))
			 "action is happening thread")))
      (thread-start! th1)
      (thread-start! th2)
      (thread-join! th1)
    (cons #t "Successfully saved data"))))
 

(define (spublish:shell-rm targ-path)
    (if (not (file-exists? targ-path))
	(begin
	  (print "ERROR: target path " targ-path " does not exist!!"))
        (let* ((th1         (make-thread
			 (lambda ()
			   (delete-file  targ-path )
			   (print " ... path " targ-path " deleted"))
			 "rm thread"))
	   (th2         (make-thread
			 (lambda ()
			   (let loop ()
			     (thread-sleep! 15)
			     (display ".")
			     (flush-output)
			     (loop)))
			 "action is happening thread")))
      (thread-start! th1)
      (thread-start! th2)
      (thread-join! th1)
    (cons #t "Successfully saved data"))))

(define (spublish:shell-ln src-path target-path sub-path)
   (if (not (file-exists? sub-path))
	 (print "ERROR: Path " sub-path " does not exist!! cannot proceed with link creation!!")
        (begin  
          (if (not (file-exists? src-path))
  	    (print "ERROR: Path " src-path " does not exist!! cannot proceed with link creation!!")
            (begin
                (if (file-exists? target-path)
                   (print "ERROR: Path " target-path "already exist!! cannot proceed with link creation!!")
                   (begin 
                      (create-symbolic-link src-path target-path  )
			   (print " ... link " target-path " created"))))))))
 
(define (spublish:shell-help)
(conc "Usage: [action [params ...]]

  ls    [target path]               	  : list contents of target area.
  cd    <target path> 	     	          : To change the current directory within the sretrive shell. 
  pwd				     	  : Prints the full pathname of the current directory within the sretrive shell.
  mkdir <path>                            : creates directory. Note it does not create's a path recursive manner.
  rm <target path>                        : removes files and emoty directories   
  cp <src> <target path>                  : copy a file/dir to target path. if src is a dir it automatically makes a recursive copy.
  ln TARGET LINK_NAME                     : creates a symlink      
Part of the Megatest tool suite.
Learn more at http://www.kiatoa.com/fossils/megatest

Version: " megatest-fossil-hash)
)	

(define (toplevel-command . args) #f)

(define (spublish:shell area)
 ; (print area)
  (use readline)
  (let* ((path      '())
	 (prompt    "spublish> ")
	 (args      (argv))
         (usr (current-user-name) )   
         (top-areas (spublish:get-accessable-projects area))
         (close-port     #f)
         (area-obj  (get-obj-by-code area))
         (user-obj (get-user usr)) 
         (base-path (if (null? area-obj) 
                         "" 
                        (caddr (cdr area-obj))))      
	 (iport     (make-readline-port prompt)))
        ;(print base-path) 
        (if (null? area-obj)
          (begin 
             (print "Area " area " does not exist")
          (exit 1)))
        ; (print "here")    
	(let loop ((inl (read-line iport)))
	  (if (not (or (or (eof-object? inl)
		       (equal? inl "exit")) (port-closed? iport)))
	      (let* ((parts (string-split inl))
		     (cmd   (if (null? parts) #f (car parts))))
		(if (and (not cmd) (not (port-closed? iport)))
		    (loop (read-line))
		    (case (string->symbol cmd)
		      ((cd)
		       (if (> (length parts) 1) ;; have a parameter
                           (begin
                             (let*((arg (cadr parts))
                                   (resolved-path (sauth-common:resolve-path  arg path top-areas))
                                   (target-path (sauth-common:get-target-path path  arg top-areas base-path)))
                                 (if (not (equal? target-path #f))
                                 (if (or (equal? resolved-path #f) (not (file-exists? target-path)))    
                                 (print "Invalid argument " arg ".. ")
                                  (begin      
			            (set! path resolved-path)
                                     (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "cd"))))
                                  )))))  
   			   (set! path '())))
                      ((pwd)
                         (if (null? path)
                           (print "/")  
                           (print "/" (string-join path "/")))) 
		      ((ls)
		       (let* ((thepath (if (> (length parts) 1) ;; have a parameter
					   (cdr parts)
					   `()))
			      (plen    (length thepath)))
                         (cond
			  ((null? thepath)
                           (sauth-common:shell-ls-cmd path "" top-areas base-path  '())
                            (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "ls"))))   )
			  ((< plen 2)
                            (sauth-common:shell-ls-cmd path  (car thepath) top-areas base-path '())
                              (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "ls")))))
                          (else 
                            (if (equal? (car thepath) "|")
                              (sauth-common:shell-ls-cmd path "" top-areas base-path thepath)
                              (sauth-common:shell-ls-cmd path  (car thepath) top-areas base-path (cdr thepath)))
                           (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "ls"))))))))
                       ((mkdir)
                         (let* ((thepath (if (> (length parts) 1) ;; have a parameter
				   (cdr parts)
				   `()))
			      (plen    (length thepath)))
                         (cond
                          ((null? thepath)
                            (print "mkdir takes one argument"))
                          ((< plen 2) 
                            (let*((mk-path (cadr parts))
                                  (resolved-path (sauth-common:resolve-path  mk-path path top-areas))
                                  (target-path (sauth-common:get-target-path path  mk-path top-areas base-path)))
                              (if (not (equal? target-path #f))
                                 (if (equal? resolved-path #f)     
                                 (print "Invalid argument " mk-path ".. ")
                                  (begin 
                                      (spublish:shell-mkdir target-path)   
                                      (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "mkdir")))))))
		       )))))
                       ((rm)
                          (let* ((thepath (if (> (length parts) 1) ;; have a parameter
				   (cdr parts)
				   `()))
			      (plen    (length thepath)))
                         (cond
                          ((null? thepath)
                            (print "rm takes one argument"))
                          ((< plen 2) 
                            (let*((rm-path (cadr parts))
                                  (resolved-path (sauth-common:resolve-path  rm-path path top-areas))
                                  (target-path (sauth-common:get-target-path path  rm-path top-areas base-path)))
                              (if (not (equal? target-path #f))
                                 (if (equal? resolved-path #f)     
                                 (print "Invalid argument " rm-path ".. ")
                                  (begin 
                                      (spublish:shell-rm target-path)   
                                      (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "rm")))))))
		       )))))

                      ((cp publish)
                          (let* ((thepath (if (> (length parts) 1) ;; have a parameter
				   (cdr parts)
				   `()))
			      (plen    (length thepath)))
                         (cond
                          ((or (null? thepath) (< plen 2)) 
                            (print "cp takes two argument"))
                          ((< plen 3) 
                            (let*((src-path (car thepath))
                                  (dest-path (cadr thepath))   
                                  (resolved-path (sauth-common:resolve-path  dest-path path top-areas))
                                  (target-path (sauth-common:get-target-path path  dest-path top-areas base-path)))
                              (if (not (equal? target-path #f))
                                 (if (equal? resolved-path #f)     
                                 (print "Invalid argument " dest-path ".. ")
                                  (begin 
                                      (spublish:shell-cp src-path target-path)   
                                      (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "cp")))))))
		       )))))
                      ((ln)
                           (let* ((thepath (if (> (length parts) 1) ;; have a parameter
				   (cdr parts)
				   `()))
			      (plen    (length thepath)))
                         (cond
                          ((or (null? thepath) (< plen 2)) 
                            (print "ln takes two argument"))
                          ((< plen 3) 
                            (let*((src-path (car thepath))
                                  (dest-path (cadr thepath))   
                                  (resolved-path (sauth-common:resolve-path  dest-path path top-areas))
                                  (target-path (sauth-common:get-target-path path  dest-path top-areas base-path))
                                  (sub-path (conc "/" (string-reverse (string-join (cdr (string-split (string-reverse  target-path) "/")) "/")))))
                              (if (not (equal? target-path #f))
                                 (if (equal? resolved-path #f)     
                                 (print "Invalid argument " dest-path ".. ")
                                  (begin 
                                      (spublish:shell-ln src-path target-path sub-path)   
                                      (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "ln")))))))
		       )))))  
                      ((exit)
                          (print "got exit"))  
                      ((help)
                          (print (spublish:shell-help)))
		      (else 
		       (print "Got command: " inl))))
                 (loop (read-line iport)))))))


;;======================================================================
;; MAIN
;;======================================================================

(define (spublish:load-config exe-dir exe-name)
  (let* ((fname   (conc exe-dir "/." exe-name ".config")))
    ;; (ini:property-separator-patt " *  *")
    ;; (ini:property-separator #\space)
    (if (file-exists? fname)
	;; (ini:read-ini fname)
	(read-config fname #f #t)
	(make-hash-table))))

(define (spublish:process-action configdat action . args)
  (let* ((target-dir    (configf:lookup configdat "settings" "target-dir"))
(define (spublish:process-action action . args)
  (let* (
         ;; (target-dir    (configf:lookup configdat "settings" "target-dir"))
	 (user          (current-user-name))
	 (allowed-users (string-split
			 (or (configf:lookup configdat "settings" "allowed-users")
			     ""))))
	 ;;(allowed-users (string-split
	;;		 (or (configf:lookup configdat "settings" "allowed-users")
	;;		     "")))
    (if (not target-dir)
	(begin
	  (print "[settings]\ntarget-dir /some/path\n\n Is MISSING from the config file!")
	  (exit)))
    (if (null? allowed-users)
	(begin
	  (print "[setings]\nallowed-users user1 user2 ...\n\n Is MISSING from the config file!")
	  (exit)))
    (if (not (member user allowed-users))
	(begin
	  (print "User \"" (current-user-name) "\" does not have access. Exiting")
	  (exit 1)))
)
    (case (string->symbol action)
      ((cp publish)
       (if (< (length args) 2)
	   (begin 
	     (print "ERROR: Missing arguments; " (string-intersperse args ", "))
	     (exit 1)))
       (let* ((remargs     (args:get-args args '("-m") '() args:arg-hash 0))
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			    (vector-ref x 0)
			    (vector-ref x 1) 
			    (vector-ref x 2) 
			    (conc "\"" (time->string (seconds->local-time (vector-ref x 3))) "\"")
			    (conc "\"" (vector-ref x 4) "\""))
		    (print (vector-ref x 0))))
	      versions)))
       ((shell)
          (if (< (length args) 1)
             (begin 
	     (print  "ERROR: Missing arguments area!!" )
	     (exit 1))
             (spublish:shell (car args)))
       ) 
   
      (else (print "Unrecognised command " action)))))
  
;; ease debugging by loading ~/.dashboardrc - REMOVE FROM PRODUCTION!
;; (let ((debugcontrolf (conc (get-environment-variable "HOME") "/.spublishrc")))
;;   (if (file-exists? debugcontrolf)
;;       (load debugcontrolf)))

(define (main)
  (let* ((args      (argv))
	 (prog      (car args))
	 (rema      (cdr args))
	 (exe-name  (pathname-file (car (argv))))
	 (exe-name  (pathname-file (car (argv)))))
	 (exe-dir   (or (pathname-directory prog)
			(spublish:find exe-name (string-split (get-environment-variable "PATH") ":"))))
	 (configdat (spublish:load-config exe-dir exe-name)))
    (cond
     ;; one-word commands
     ((eq? (length rema) 1)
      (case (string->symbol (car rema))
	((help -h -help --h --help)
	 (print spublish:help))
	((list-vars) ;; print out the ini file
	 (map print (spublish:get-areas configdat)))
	((ls)
	 (let ((target-dir (configf:lookup configdat "settings" "target-dir")))
	   (print "Files in " target-dir)
	   (system (conc "ls " target-dir))))
	((log)
	 (spublish:db-do configdat (lambda (db)
				     (print "Listing actions")
				     (query (for-each-row
					     (lambda (row)
					       (apply print (intersperse row " | "))))
					    (sql db "SELECT * FROM actions")))))
	(else
	 (print "ERROR: Unrecognised command. Try \"spublish help\""))))
     ;; multi-word commands
     ((null? rema)(print spublish:help))
     ((>= (length rema) 2)
      (apply spublish:process-action configdat (car rema)(cdr rema)))
      (apply spublish:process-action (car rema)(cdr rema)))
     (else (print "ERROR: Unrecognised command2. Try \"spublish help\"")))))

(main)

Modified sretrieve.scm from [29750f33f2] to [6c415a23c3].

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;; (declare (uses db))
;; (declare (uses synchash))
;; (declare (uses server))
(declare (uses megatest-version))
;; (declare (uses tbd))

(include "megatest-fossil-hash.scm")
;;; please create this file before using sautherise. For sample file is avaliable sample-sauth-paths.scm. 
(include "sauth-paths.scm")
(include "sauth-common.scm")

;;
;; GLOBALS
;;
(define *verbosity* 1)
(define *logging* #f)
(define *exe-name* (pathname-file (car (argv))))
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	      (if (not dbexists)(sretrieve:initialize-db db))
	      (proc db)))))
	(debug:print 0 "ERROR: invalid path for storing database: " path)))



;; function to find sheets to which use has access 
(define (sretrieve:has-permission sheet configfile)
(define (sretrieve:has-permission  area)
  (let* ((users (get-rowcol-names  configfile sheet car))
          (retuser ""))
    (if (member (current-user-name) users)
        #t
  (let ((username     (current-user-name)))
  (cond
   ((is-admin username)
     #t)
        #f))) 
    
   ((is-user "retrieve" username area) 
 ;; function  to check if user is trying to access a restricted area
 
     #t)
(define (sretrieve:is-permitted-area dir allowed-list)
    (for-each 
    ((is-user "publish" username area) 
        (lambda (allowed-dir)
         (if (equal? dir allowed-dir)
          allowed-dir))
        (cdr allowed-list)))

     #t)
   ((is-user "writer-admin" username area) 
;; function to validate the users input for target path and resolve the path
;; TODO: Check for restriction in subpath 
(define (sretrieve:resolve-path  new current allowed-sheets)
   (let* ((target-path (append  current (string-split new "/")))
          (target-path-string (string-join target-path "/"))
          (normal-path (normalize-pathname target-path-string))
          (normal-list (string-split normal-path "/"))
          ;(sheet (car normal-list))
           (ret '()))
     #t)
   (if (string-contains   normal-path "..")
    (begin
   ((is-user "read-admin" username area) 
      (print "ERROR: Path  " new " resolved outside target area ")
      #f)
     #t)
    (if(equal? normal-path ".")
      ret  
   ((is-user "area-admin" username area) 
     #t)
    (if (not (member  (car normal-list) allowed-sheets))
      (begin
   (else  
      (print "ERROR: Permision denied to  " new )
       #f)
    normal-list)))
    #f))))
 
))

    

(define (sretrieve:is-access-valid sheet configfile)
   (let* ((exp-str (lookup configfile sheet (current-user-name) "expiration")))
    (if (equal? exp-str #f)
        #f
        (let* ((date-parts  (string-split exp-str "/"))
                (yr (string->number (car date-parts)))
                (month (string->number(car (cdr date-parts)))) 
                (day (string->number(caddr date-parts)))
                (exp-date (make-date 0 0 0 0 day month yr )))
               (if (< (date-compare exp-date  (current-date)) 1)
                   #f
                   #t)))))


(define (sretrieve:get-accessable-projects  sheets configfile)
(define (sretrieve:get-accessable-projects  area)
 ;;(print sheets)
 (if (null? sheets)
      #f
      (let loop ((hed (car sheets))
		 (tal (cdr sheets))
   (let* ((projects `()))
         
                  (res '()))
        (let* ((user (sretrieve:has-permission hed configfile))
        (if (sretrieve:has-permission area)
              (access-valid (sretrieve:is-access-valid  hed configfile)))
        (if (and (equal? user #t ) (equal? access-valid #t))
               (begin  
               ;;(print "got perm " (sretrieve:has-permission hed configfile)) 
               (set! projects (cons area projects))
               (begin
                 (print "User cannot access area " area "!!")  
               (if (null? tal)
		 (cons hed res)
		 (loop (car tal)(cdr tal)(cons hed res))))
                (if (null? tal)
                     res
                (exit 1))) 
   ; (print projects)
    projects))
                   (loop (car tal)(cdr tal) res)))))))

(define (sretrieve:shell-ls-cmd base-path-list ext-path top-areas configfile db-location tail-cmd-list)
  (if (and (null? base-path-list) (equal? ext-path "") )
		 
(define (sauth-common:shell-ls-cmd base-path-list ext-path top-areas base-path tail-cmd-list)
    (if (and (null? base-path-list) (equal? ext-path "") )
      (print (string-intersperse top-areas " "))
  (let* ((resolved-path (sretrieve:resolve-path ext-path base-path-list top-areas )))
  (let* ((resolved-path (sauth-common:resolve-path ext-path base-path-list top-areas )))
           ;(print resolved-path)
           (if (not (equal? resolved-path #f))
           (if (null? resolved-path) 
             (print (string-intersperse top-areas " "))
           (let* ((target-path (sretrieve:get-target-path  base-path-list  ext-path top-areas configfile)))
                ;(print "Resolved path: " target-path)
           (let* ((target-path (sauth-common:get-target-path  base-path-list  ext-path top-areas base-path)))
                (print "Resolved path: " target-path)
                (if (not (equal? target-path #f))
                (begin 
                 
                (sretrieve:shell-db-do
         	 db-location
     		(lambda (db)
       		(sretrieve:register-action db "ls" (current-user-name) target-path (conc "Executing cmd: ls "  target-path))))
                (cond
		  ((null? tail-cmd-list)
		     (run (pipe
      	      	      (ls "-lrt" ,target-path))))
		  ((not (equal? (car tail-cmd-list) "|"))
                         (print "ls cmd cannot accept "(string-join tail-cmd-list) " as an argument!!"))
                  (else  
                    (run (pipe
      	      	      (ls "-lrt" ,target-path)
                      (begin (system (string-join (cdr tail-cmd-list))))))
      ))))))))))

(define (sretrieve:shell-cat-cmd base-pathlist ext-path top-areas configfile db-location tail-cmd-list)
  (let* ((resolved-path (sretrieve:resolve-path ext-path base-pathlist top-areas ))
(define (sretrieve:shell-cat-cmd base-pathlist ext-path top-areas base-path tail-cmd-list)
  (let* ((resolved-path (sauth-common:resolve-path ext-path base-pathlist top-areas ))
          (data "") )
         (if (not (equal? resolved-path #f))
           (if (null? resolved-path) 
             (print "Path could not be resolved!!")
           (let* ((target-path (sretrieve:get-target-path  base-pathlist  ext-path top-areas configfile)))
           (let* ((target-path (sauth-common:get-target-path  base-pathlist  ext-path top-areas base-path)))
             (if (not (equal? target-path #f))
               (if (or (not (file-exists? target-path)) (directory? target-path))
               (print "Target path does not exist or is a directory!") 
               (begin 
                 (sretrieve:shell-db-do
         	    db-location
     		    (lambda (db)
       		      (sretrieve:register-action db "cat" (current-user-name) target-path (conc "Executing cmd: cat " target-path))))   
		 (cond
                 (cond
		  ((null? tail-cmd-list)
		     (run (pipe
      	      	      (cat  ,target-path))))
		  ((not (equal? (car tail-cmd-list) "|"))
                         (print "cat cmd cannot accept "(string-join tail-cmd-list) " as an argument!!"))
                  (else  
                    (run (pipe
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                      (list res tal))
                   ((null? tal)
                      (list (cons hed res) tal)) 
                   (else 
		  	(loop (car tal)(cdr tal)(cons hed res)))))))

  
(define (sretrieve:shell-grep-cmd base-pathlist ext-path top-areas configfile db-location tail-cmd-list)
  (let* ((resolved-path (sretrieve:resolve-path ext-path base-pathlist top-areas ))
(define (sretrieve:shell-grep-cmd base-pathlist ext-path top-areas base-path tail-cmd-list)
  (let* ((resolved-path (sauth-common:resolve-path ext-path base-pathlist top-areas ))
          (pattern (car tail-cmd-list))
          (pipe-cmd-list (get-options (cdr tail-cmd-list) "|"))
          (options (string-join (car pipe-cmd-list)))
          (pipe-cmd (cadr  pipe-cmd-list))
          (redirect-split (string-split (string-join  tail-cmd-list) ">"))   )
         (if(and ( > (length redirect-split) 2 ))
            (print "grep  cmd cannot accept > " (string-join redirect-split) " as an argument!!" )  
            (print "sgrep  cmd cannot accept > " (string-join redirect-split) " as an argument!!" )  
         (if (not (equal? resolved-path #f))
           (if (null? resolved-path) 
             (print "Path could not be resolved!!")
           (let* ((target-path (sretrieve:get-target-path  base-pathlist  ext-path top-areas configfile))
           (let* ((target-path (sauth-common:get-target-path  base-pathlist  ext-path top-areas base-path))
                  (restrictions (if (equal? target-path #f)
                                                 ""
                                               (sretrieve:shell-lookup base-pathlist ext-path  top-areas configfile)))
                                               (sretrieve:shell-lookup base-path)))
                 (rest-str  (string-split (conc " --exclude-dir=" (string-join (string-split restrictions ",") " --exclude-dir=") ))))
             (if (not (file-exists? target-path))
               (print "Target path does not exist!") 
               (begin 
                 (sretrieve:shell-db-do
         	    db-location
     		    (lambda (db)
       		      (sretrieve:register-action db "grep" (current-user-name) target-path (conc "Executing cmd: grep " target-path pattern (string-join tail-cmd-list) )))) 
              ; (sretrieve:do-as-calling-user
    	      ;    (lambda ()
              ;     (if (null? pipe-cmd)
              ;     (process-execute "/usr/bin/grep" (append (list options pattern target-path)  rest-str))
              ;     (process-execute "/usr/bin/grep" (append (append (list options pattern target-path) rest-str) (append (list "|") pipe-cmd))))))
               ;  (print rest-str) 
                 (cond
	 	  ((and (null? pipe-cmd) (string-null? options))
	 	     (run (pipe
      	      	      (grep ,pattern ,target-path ))))
		  ((and (null? pipe-cmd) (not (string-null? options)))
		     (run (pipe
      	      	      (begin (process-execute "/usr/bin/grep" (append (list options pattern target-path) rest-str))))))
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                       (begin (process-execute "/usr/bin/grep" (append (list options pattern target-path) rest-str)))

                      (begin (system (string-join  pipe-cmd)))))))
))))
             (print "Path could not be resolved!!")))))


(define (sretrieve:shell-less-cmd base-pathlist ext-path top-areas configfile db-location)
  (let* ((resolved-path (sretrieve:resolve-path ext-path base-pathlist top-areas )))
(define (sretrieve:shell-less-cmd base-pathlist ext-path top-areas base-path)
  (let* ((resolved-path (sauth-common:resolve-path ext-path base-pathlist top-areas )))
         (if (not (equal? resolved-path #f))
           (if (null? resolved-path) 
             (print "Path could not be resolved!!")
           (let* ((target-path (sretrieve:get-target-path  base-pathlist  ext-path top-areas configfile)))
           (let* ((target-path (sauth-common:get-target-path  base-pathlist  ext-path top-areas base-path)))
               (if (not (equal? target-path #f))
           	 (if (or (not (file-exists? target-path)) (directory? target-path))
                   (print "Target path does not exist or is a directory!") 
                   (begin 
                     (sretrieve:shell-db-do
         	          db-location
     			  (lambda (db)
       				(sretrieve:register-action db "less" (current-user-name) target-path (conc "Executing cmd: less "  target-path))))   
                     ;(sretrieve:shell-db-do
         	     ;     db-location
     		     ;	  (lambda (db)
       		;		(sretrieve:register-action db "less" (current-user-name) target-path (conc "Executing cmd: less "  target-path))))   
 
                     (setenv "LESSSECURE" "1")
                     (run (pipe
      	      	     (less ,target-path))))))))
             (print "Path could not be resolved!!"))))


(define (sretrieve:get-target-path base-path-list ext-path top-areas configfile)
  (let* ((resolved-path (sretrieve:resolve-path ext-path base-path-list top-areas ))
          (usr (current-user-name) ) )
          (if (not (equal? resolved-path #f))
           (if (null? resolved-path) 
             #f
           (let* ((sheet (car resolved-path))
                   (fname  (conc  configfile "/" sheet ".dat"))
                   (config-data (sretrieve:load-shell-config fname))  
        	   (base-path (configf:lookup config-data "basepath" usr))
                   (restrictions (conc ".*" (string-join (string-split (configf:lookup config-data "restricted areas" usr) ",") ".*|.*") ".*"))
           	   (target-path (conc base-path "/" (string-join (cdr resolved-path) "/"))))
                    

                    (if (string-match (regexp  restrictions) target-path) 
                        (begin
                          (print "Access denied to " (string-join resolved-path "/"))   
                         #f)
                                        target-path)))
             #f)))

(define (sretrieve:shell-lookup base-path-list ext-path top-areas configfile)
(define (sretrieve:shell-lookup base-path)
  (let* ((resolved-path (sretrieve:resolve-path ext-path base-path-list top-areas ))
          (usr (current-user-name))
  (let* ((usr (current-user-name))
          (sheet (car resolved-path))
          (fname  (conc  configfile "/" sheet ".dat"))
          (config-data (sretrieve:load-shell-config fname))  
          (base-path (configf:lookup config-data "basepath" usr))
          (value (get-restrictions base-path usr)))
          (value (configf:lookup config-data "restricted areas" usr)))
                    value))
                              value))
             

(define (sretrieve:load-shell-config fname)
          (if (file-exists? fname)
	(read-config fname #f #f)
	))

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                  (ret-str ""))
                   (cond
                   ((null? tal)
                      (conc ret-str " --exclude='*" hed "*'")) 
                   (else 
		  	(loop (car tal)(cdr tal)(conc ret-str " --exclude='*" hed "*'"))))))    )

(define (sretrieve:get-shell-cmd target-path db-location restrictions)
(define (sretrieve:get-shell-cmd target-path base-path restrictions iport)
     (if (not (file-exists? target-path))
        (print "Target path does not exist!")
    (begin
    (if (not (equal? target-path #f))
    (begin     
    (sretrieve:shell-db-do
    	  db-location
     	  (lambda (db)
       		(sretrieve:register-action db "get" (current-user-name) target-path (conc "Executing cmd: get "  target-path))))
     (if (is_directory target-path) 
        (if (is_directory target-path) 
        (begin
           (let* ((parent-dir target-path)
                  (last-dir-name (if  (pathname-extension target-path)  
                                      (conc(pathname-file target-path) "." (pathname-extension target-path))
                                      (pathname-file target-path)))
                  (start-dir (current-directory))
                  (curr-dir (current-directory))   
                  (start-dir (conc (current-directory) "/" last-dir-name))
                  (execlude (make-exclude-pattern (string-split restrictions ","))))
                   (print execlude) 
                   (print (file-exists? start-dir))
                  (if  (file-exists? start-dir)
                    (begin
                         (print last-dir-name " already exist in your work dir. Do you want to over write it? [y|n]")
                        (let* ((inl (read-line iport)))
                            (if (equal? inl "y")
                              (begin
                  (change-directory parent-dir)
                                    
                 (run (pipe
                   (tar "chfv" "-" "." )
                   (begin (system (conc "cd " start-dir ";tar  xf - "   execlude )))))
                 )) 
                                 (change-directory parent-dir)
                                  (run (pipe
                   		   (tar "chfv" "-" "." )
                   		   (begin (system (conc "cd " start-dir ";tar  xUf - "   execlude )))))
                                   (change-directory curr-dir))
			      (begin	
                               (print  "Nothing has been retrieved!!  ")))))
                     (begin
                       (sretrieve:do-as-calling-user
                    (lambda ()
		      (create-directory start-dir #t)))
                          (change-directory parent-dir)
                                  (run (pipe
                   		   (tar "chfv" "-" "." )
                   		   (begin (system (conc "cd " start-dir ";tar  xUf - "   execlude )))))
                           (change-directory curr-dir))))) 
        (begin
           (let*((parent-dir (pathname-directory target-path))
                  (start-dir (current-directory))
                (filename (if  (pathname-extension target-path)  
                 (start-dir (current-directory))
                 (filename (if  (pathname-extension target-path)  
                                      (conc(pathname-file target-path) "." (pathname-extension target-path))
                                      (pathname-file target-path))))
                                      (pathname-file target-path)))
                 (work-dir-file (conc (current-directory) "/" filename)))
                 (if  (file-exists? work-dir-file)
                    (begin
                       (print filename " already exist in your work dir. Do you want to over write it? [y|n]")
                        (let* ((inl (read-line iport)))
                            (if (equal? inl "y")
                              (begin
                                 (change-directory parent-dir)
                                  (run (pipe
                   		   (tar "chfv" "-" "." )
                   		   (begin (system (conc "cd " start-dir ";tar  xUf - "   execlude )))))
                                     (change-directory curr-dir))
			      (begin	
                               (print  "Nothing has been retrieved!!  ")))))
                    (begin
               (change-directory parent-dir)  
                 (run (pipe
                   (tar "chfv" "-" ,filename)
                   (begin (system (conc "cd " start-dir ";tar xf -")))))))))))
                   (begin (system (conc "cd " start-dir ";tar xUf -")))))
                    (change-directory start-dir))))))))
                     (print (current-directory)))))

(define (sretrieve:shell-help)
(conc "Usage: " *exe-name* " [action [params ...]]

  ls    [target path]               	  : list contents of target area. The output of the cmd can be piped into other system cmd. eg ls <path> | grep txt
  cd    <target directory>	     	  : To change the current directory within the sretrive shell. 
  pwd				     	  : Prints the full pathname of the current directory within the sretrive shell.
  get   <file or directory path>     	  : download directory/files into the directory where sretrieve shell cmd was invoked   
  less  <file path>		     	  : Read input file to allows backward movement in the file as well as forward movement 
  cat   <file path>                  	  : show the contents of a file. The output of the cmd can be piped into other system cmd.

  sgrep <search path> <pattern> [options] : Similar to unix grep cmd But with diffrent parameter ordering. The output of the cmd can be piped into other system cmd. 
Part of the Megatest tool suite.
Learn more at http://www.kiatoa.com/fossils/megatest

Version: " megatest-fossil-hash)
)	
(define (toplevel-command . args) #f)
(define (sretrieve:shell)
 ;; (print (current-effective-user-id))
(define (sretrieve:shell area)
 ; (print area)
  (use readline)
  (let* ((path      '())
	 (prompt    "sretrieve> ")
	 (args      (argv))
         (usr (current-user-name) )   
	 (prog      (car args)) 
         (exe-name  (pathname-file (car (argv))))
	 (exe-dir   (or (pathname-directory prog)
			(sretrieve:find exe-name (string-split (get-environment-variable "PATH") ":"))))
         (config-file  (conc exe-dir "/sretrieve_configs"))  
         (db-location (conc exe-dir "/db"))
         (sheets (list-sheets config-file)) 
         (top-areas (sretrieve:get-accessable-projects sheets config-file))
         (top-areas (sretrieve:get-accessable-projects area))
       
          (close-port     #f)     
         (close-port     #f)
         (area-obj  (get-obj-by-code area))
         (user-obj (get-user usr)) 
         (base-path (if (null? area-obj) 
                         "" 
                        (caddr (cdr area-obj))))      
	 (iport     (make-readline-port prompt)))
  ;  (install-history-file) ;;  [homedir] [filename] [nlines])
  ;  (with-input-from-port iport
  ;    (lambda ()
        (if (null? area-obj)
          (begin 
             (print "Area " area " does not exist")
          (exit 1)))
	(let loop ((inl (read-line iport)))
          ;(print 1) 
	  (if (not (or (or (eof-object? inl)
		       (equal? inl "exit")) (port-closed? iport)))
	      (let* ((parts (string-split inl))
		     (cmd   (if (null? parts) #f (car parts))))
              ;  (print "2")
		(if (and (not cmd) (not (port-closed? iport)))
		    (loop (read-line))
		    (case (string->symbol cmd)
		      ((cd)
		       (if (> (length parts) 1) ;; have a parameter
                           (begin
                             (let*((arg (cadr parts))
                                   (resolved-path (sretrieve:resolve-path  arg path top-areas))
                                   (target-path (sretrieve:get-target-path path  arg top-areas config-file)))
                                   (resolved-path (sauth-common:resolve-path  arg path top-areas))
                                   (target-path (sauth-common:get-target-path path  arg top-areas base-path)))
                                 (if (not (equal? target-path #f))
                                 (if (or (equal? resolved-path #f) (not (file-exists? target-path)))    
                                 (print "Invalid argument " arg ".. ")
                                  (begin      
			         (set! path resolved-path)))))  
			            (set! path resolved-path)
                                     (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "cd"))))
                                  )))))  
   			   (set! path '())))
                      ((pwd)
                         (if (null? path)
                           (print "/")  
                           (print "/" (string-join path "/")))) 
		      ((ls)
		       (let* ((thepath (if (> (length parts) 1) ;; have a parameter
					   (cdr parts)
					   `()))
			      (plen    (length thepath)))
			 (cond
                         (cond
			  ((null? thepath)
                           (sretrieve:shell-ls-cmd path "" top-areas config-file db-location '()))
                           (sauth-common:shell-ls-cmd path "" top-areas base-path  '())
                            (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "ls"))))   )
			  ((< plen 2)
                  
                            (sretrieve:shell-ls-cmd path  (car thepath) top-areas config-file db-location  '()))
                            (sauth-common:shell-ls-cmd path  (car thepath) top-areas base-path '())
                              (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "ls")))))
                          (else 
                            (if (equal? (car thepath) "|")
                              (sretrieve:shell-ls-cmd path "" top-areas config-file db-location thepath)
                              (sretrieve:shell-ls-cmd path  (car thepath) top-areas config-file db-location (cdr thepath)))))))
                              (sauth-common:shell-ls-cmd path "" top-areas base-path thepath)
                              (sauth-common:shell-ls-cmd path  (car thepath) top-areas base-path (cdr thepath)))
                           (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "ls"))))))))
                       ((cat)
		       (let* ((thepath (if (> (length parts) 1) ;; have a parameter
					   (cdr parts)
					   `()))
			      (plen    (length thepath)))
			 (cond
			  ((null? thepath)
                          (print "Error: Missing argument to cat"))
			  ((< plen 2)
                            (sretrieve:shell-cat-cmd path  (car thepath) top-areas config-file db-location '()))
                            (sretrieve:shell-cat-cmd path  (car thepath) top-areas base-path '())
                              (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "cat")))))

			  (else
                             (sretrieve:shell-cat-cmd path  (car thepath) top-areas config-file db-location (cdr thepath))))))
                       ((grep)
                             (sretrieve:shell-cat-cmd path  (car thepath) top-areas base-path (cdr thepath))
                             (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "cat"))))
))))
                       ((sgrep)
		       (let* ((thepath (if (> (length parts) 1) ;; have a parameter
					   (cdr parts)
					   `()))
			      (plen    (length thepath)))
			 (cond
			  ((null? thepath) 
                            (print "Error: Missing arguments to grep!! Useage: grep <search path> <pattern> [options] "))
                          ((< plen  2)
                          (print "Error: Missing arguments to grep!! Useage: grep <search path> <pattern> [options] "))
			  (else
                             (sretrieve:shell-grep-cmd path  (car thepath) top-areas config-file db-location (cdr thepath))))))
                             (sretrieve:shell-grep-cmd path  (car thepath) top-areas base-path  (cdr thepath))
				(sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "grep"))))))))

                      ((less)
		       (let* ((thepath (if (> (length parts) 1) ;; have a parameter
					   (cdr parts)
					   `()))
			      (plen    (length thepath)))
			 (cond
			  ((null? thepath)
                          (print "Error: Missing argument to cat"))
                          (print "Error: Missing argument to less"))
			  ((< plen 2)
                            (sretrieve:shell-less-cmd path  (car thepath) top-areas config-file db-location))
                            (sretrieve:shell-less-cmd path  (car thepath) top-areas base-path)
                             (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "less")))))
			  (else
                             ;(sretrieve:shell-cat-cmd path  (car thepath) top-areas config-file))
))))

                             (print "less cmd takes only one (<file path>) argument!!")))))
                      ((get)
                         (let* ((thepath (if (> (length parts) 1) ;; have a parameter
					   (cdr parts)
					   `()))
			      (plen    (length thepath)))
			 (cond
			  ((null? thepath)
                          (print "Error: Missing argument <path> to get"))
			  ((< plen 2)
                           (let* ((target-path (sretrieve:get-target-path path  (car thepath) top-areas config-file))
                           (let* ((target-path (sauth-common:get-target-path path  (car thepath) top-areas base-path))
				 (restrictions (if (equal? target-path #f)
                                                 ""
                                               (sretrieve:shell-lookup path  (car thepath) top-areas config-file))))
                                               (sretrieve:shell-lookup base-path))))
                                    
                                  (sretrieve:get-shell-cmd target-path db-location restrictions)
                                  ;;(print path)
                           ))
                                 (sretrieve:get-shell-cmd target-path base-path restrictions iport)
                                  (sauthorize:do-as-calling-user
                              (lambda ()
			    (run-cmd (conc *sauth-path* "/sauthorize") (list "register-log" (conc "\"" inl "\"") (number->string (car user-obj))  (number->string (caddr area-obj))  "get")))) ))
			  (else
                            (print "Error: get cmd takes only one argument "))))) 
                            (print "Error: get cmd takes only one argument ")))))
                      ((exit)
                          (print "got exit"))  
                      ((help)
                          (print (sretrieve:shell-help)))
		      (else 
		       (print "Got command: " inl)
		       (print "Got command: " inl))))
                       )))
                 (loop (read-line iport))
                 (loop (read-line iport)))))))
                )))))
;;))
    

;;======================================================================
;; MAIN
;;======================================================================
;;(define *default-log-port* (current-error-port))
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(define (sretrieve:load-packages configdat exe-dir package-type)
  (push-directory exe-dir)
  (let* ((packages-metadir  (configf:lookup configdat "settings" "packages-metadir"))
	 (conversion-script (configf:lookup configdat "settings" "conversion-script"))
	 (upstream-file     (configf:lookup configdat "settings" "upstream-file"))
	 (package-config    (conc packages-metadir "/" package-type ".config")))
    ;; this section here does a timestamp based rebuild of the
    ;;   <packages-metadir>/<package-type>.config file using
    ;;   <upstream-file> as an input
    (if (file-exists? upstream-file)
       (if (file-exists? upstream-file)
	(if (or (not (file-exists? package-config)) ;; if not created call the updater, otherwise call only if upstream newer
		(> (file-modification-time upstream-file)(file-modification-time package-config)))
	    (handle-exceptions
	     exn
	     (debug:print 0 "ERROR: failed to run script " conversion-script " with params " upstream-file " " package-config)
	     (let ((pid (process-run conversion-script (list upstream-file package-config))))
	       (process-wait pid)))
	    (debug:print 0 "Skipping update of " package-config " from " upstream-file))
	(debug:print 0 "Skipping update of " package-config " as " upstream-file " not found"))
       (let ((res (if (file-exists? package-config)
		   (begin
		     (debug:print 0 "Reading package config " package-config)
		     (read-config package-config #f #t))
		   (make-hash-table))))
      (pop-directory)
      res)))

(define (sretrieve:process-action configdat action . args)
  (let* ((base-dir      (configf:lookup configdat "settings" "base-dir"))
	 (user          (current-user-name))
         (allowed-sub-paths (configf:lookup configdat "settings" "allowed-sub-paths")) 
	 (allowed-users (string-split
			 (or (configf:lookup configdat "settings" "allowed-users")
			     "")))
	 (default-area  (configf:lookup configdat "settings" "default-area"))) ;; otherwise known as the package
    
    (if (not base-dir)
	(begin
	  (debug:print 0 "[settings]\nbase-dir /some/path\n\n Is MISSING from the config file!")
	  (exit)))
    (if (null? allowed-users)
	(begin
	  (debug:print 0 "[setings]\nallowed-users user1 user2 ...\n\n Is MISSING from the config file!")
	  (exit)))
    (if (not (member user allowed-users))
	(begin
	  (debug:print 0 "User \"" (current-user-name) "\" does not have access. Exiting")
	  (exit 1)))
    (case (string->symbol action)
      ((get)
       (if (< (length args) 1)
	   (begin 
	     (debug:print 0 "ERROR: Missing arguments; " (string-intersperse args ", "))
	     (exit 1)))
       (let* ((remargs     (args:get-args args '("-m" "-i" "-package") '() args:arg-hash 0))
              (version     (car args))
	      (msg         (or (args:get-arg "-m") ""))
	      (package-type (or (args:get-arg "-package")
				default-area))
	      (exe-dir     (configf:lookup configdat "exe-info" "exe-dir")))
;;	      (relconfig   (sretrieve:load-packages configdat exe-dir package-type)))

	 (debug:print 0 "retrieving " version " of " package-type " as tar data on stdout")
	 (sretrieve:get configdat user version msg)))
         ((cp)
            (if (< (length args) 1)
             (begin 
	     (debug:print 0 "ERROR: Missing arguments; " (string-intersperse args ", "))
	     (exit 1)))
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	     (exit 1)))
          (let* ((remargs     (args:get-args args '("-m" "-i" "-package") '() args:arg-hash 0))
              (dir     (car args))
	      (msg         (or (args:get-arg "-m") "")) )

	 (debug:print 0 "Listing files in " )
	 (sretrieve:ls configdat user dir msg)))
       ((shell)
          (if (< (length args) 1)
             (begin 
	     (print  "ERROR: Missing arguments area!!" )
	     (exit 1))
             (sretrieve:shell (car args)))
 
      (else (debug:print 0 "Unrecognised command " action)))))
       ) 
      (else (debug:print 0 "Unrecognised command " action))))
  
;; ease debugging by loading ~/.dashboardrc - REMOVE FROM PRODUCTION!
;; (let ((debugcontrolf (conc (get-environment-variable "HOME") "/.sretrieverc")))
;;   (if (file-exists? debugcontrolf)
;;       (load debugcontrolf)))

(define (main)
  (let* ((args      (argv))
	 (prog      (car args))
	 (rema      (cdr args))
	 (exe-name  (pathname-file (car (argv))))
	 (exe-dir   (or (pathname-directory prog)
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	((log)
	 (sretrieve:db-do configdat (lambda (db)
				     (print "Logs : ")
				     (query (for-each-row
					     (lambda (row)
					       (apply print (intersperse row " | "))))
					    (sql db "SELECT * FROM actions")))))
	((shell)
	 (sretrieve:shell))
	;((shell)
	; (sretrieve:shell))
	(else
	 (print "ERROR: Unrecognised command. Try \"sretrieve help\""))))
     ;; multi-word commands
     ((null? rema)(print sretrieve:help))
     ((>= (length rema) 2)
      (apply sretrieve:process-action configdat (car rema)(cdr rema)))
     (else (debug:print 0 "ERROR: Unrecognised command. Try \"sretrieve help\"")))))

(main)