157 lines
4.5 KiB
Plaintext
Executable File
157 lines
4.5 KiB
Plaintext
Executable File
#!/bin/sh
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echo "Loading..."
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exec scsh -lel SSAX-4.9/load.scm -lel sunet-2.1/load.scm -dm -o http-test -e main -s "$0" "$@"
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!#
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(define-structure http-test
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(export main)
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(open httpd-core
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httpd-make-options
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httpd-basic-handlers
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httpd-file-directory-handlers
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httpd-cgi-handlers
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httpd-seval-handlers
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scheme-with-scsh
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srfi-37)
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(begin
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(define (usage)
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(format #f
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"Usage: start-web-server
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[-h DIR | --htdocs-dir=DIR] [-c DIR | --cgi-bin-dir=DIR]
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[-l FILE | --log-file-name=FILE] [-r NUM | --requests=NUM]
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[-p NUM | --port=NUM]
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[--help]
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with
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htdocs-dir directory of html files (default: web-server/root/htdocs)
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cgi-bin-dir directory of cgi files (default: web-server/root/cgi-bin)
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port port server is listening to (default: 8080)
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log-file-name directory where to store the logfile in CLF
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(default: /tmp/httpd.log)
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--help show this help
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"))
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(define (display-usage)
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(display (usage) (current-error-port))
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(exit 1))
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(define default-options
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`((htdocs-dir . ,(absolute-file-name "web-server/root/htdocs"))
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(cgi-bin-dir . ,(absolute-file-name "web-server/root/cgi-bin"))
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(port . 8080)
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(log-file-name . "/tmp/httpd.log")
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(requests . 5)))
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(define (raise-usage-error msg . info)
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(display msg (current-error-port))
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(for-each
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(lambda (i)
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(display i (current-error-port))
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(display " " (current-error-port)))
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info)
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(display "\n" (current-error-port))
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(exit 1))
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(define (parse-arguments arg-list)
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(let ((number-option-proc
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(lambda (alist-key)
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(lambda (option name arg ops)
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(cond
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((not arg)
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(raise-usage-error "Option requires a number" name arg))
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((string->number arg)
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=> (lambda (n) (cons (cons alist-key n) ops)))
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(else
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(raise-usage-error "Not a number" arg))))))
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(absolute-file-name-proc
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(lambda (alist-key)
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(lambda (option name arg ops)
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(cons (cons alist-key
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(absolute-file-name arg)) ops)))))
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(let ((htdocs-dir-option
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(option '(#\h "htdocs-dir") #t #f
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(absolute-file-name-proc 'htdocs-dir)))
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(cgi-bin-dir-option
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(option '(#\c "cgi-bin-dir") #t #f
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(absolute-file-name-proc 'cgi-bin-dir)))
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(port-option
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(option '(#\p "port") #t #f
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(number-option-proc 'port)))
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(log-file-name-option
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(option '(#\l "log-file-name") #t #f
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(absolute-file-name-proc 'log-file-name)))
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(requests-option
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(option '(#\r "requests") #t #f
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(number-option-proc 'requests)))
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(help-option
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(option '(#f "help") #f #f
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(lambda (option name arg ops)
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(display-usage)))))
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(args-fold arg-list
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(list htdocs-dir-option cgi-bin-dir-option
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port-option log-file-name-option
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requests-option help-option)
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(lambda (op name arg ops)
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(raise-usage-error
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"Unknown command line argument: " name))
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cons
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'()))))
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(define (make-options-from-args cmd-line-args)
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(let ((given (parse-arguments cmd-line-args)))
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(map (lambda (p)
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(or (assoc (car p) given) p))
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default-options)))
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(define (lookup-option alist option)
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(cond
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((assoc option alist)
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=> cdr)
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(else
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(error "Internal error, option not found" option alist))))
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(define (become-nobody-if-root)
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(cond ((zero? (user-uid))
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(set-gid (->gid "nobody"))
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(set-uid (->uid "nobody")))))
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(define (main args)
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(with-cwd
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(file-name-directory (car args))
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(let ((options (make-options-from-args (cdr args))))
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(format #t "Going to run Webserver with:
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htdocs-dir: ~a
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cgi-bin-dir: ~a
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port: ~a
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log-file-name: ~a
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syslogging activated.
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"
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(lookup-option options 'htdocs-dir)
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(lookup-option options 'cgi-bin-dir)
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(lookup-option options 'port)
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(lookup-option options 'log-file-name))
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(httpd (make-httpd-options
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with-port (lookup-option options 'port)
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with-root-directory (cwd)
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with-syslog? #t
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with-log-file (lookup-option options 'log-file-name)
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with-post-bind-thunk become-nobody-if-root
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with-request-handler
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(alist-path-dispatcher
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(list (cons "cgi-bin" (cgi-handler (lookup-option options 'cgi-bin-dir)))
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(cons "seval" seval-handler))
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(tilde-home-dir-handler "public_html"
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(rooted-file-or-directory-handler
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(lookup-option options 'htdocs-dir)))))))))
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))
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;; EOF
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;;; Local Variables:
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;;; mode:scheme
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;;; End:
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