This file is indexed.

/usr/share/uim/plugin.scm is in uim-data 1:1.8.6+gh20180114.64e3173-2build2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
;;;
;;; $Id:$
;;;
;;; plugin.scm: Plugin for uim.
;;;
;;; Copyright (c) 2005-2013 uim Project https://github.com/uim/uim
;;;
;;; All rights reserved.
;;;
;;; Redistribution and use in source and binary forms, with or without
;;; modification, are permitted provided that the following conditions
;;; are met:
;;; 1. Redistributions of source code must retain the above copyright
;;;    notice, this list of conditions and the following disclaimer.
;;; 2. Redistributions in binary form must reproduce the above copyright
;;;    notice, this list of conditions and the following disclaimer in the
;;;    documentation and/or other materials provided with the distribution.
;;; 3. Neither the name of authors nor the names of its contributors
;;;    may be used to endorse or promote products derived from this software
;;;    without specific prior written permission.
;;;
;;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
;;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;;; ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
;;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
;;; OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
;;; HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
;;; LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
;;; OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
;;; SUCH DAMAGE.
;;;;

(require-extension (srfi 1))
(require "util.scm")
(require "dynlib.scm")

(define uim-plugin-scm-load-path
  (if (setugid?)
      (list (sys-pkgdatadir))
      (let ((config-path (get-config-path #f))
            (scm-paths (string-split (load-path) ":")))
	(filter string?
		(append scm-paths
		      (if config-path
			  (list (string-append config-path "/plugin"))
			  '())
		      (list (sys-pkgdatadir)))))))

;; The name 'module' is adopted from a post from Hiroyuki. If you
;; feel bad about the meaning of 'module', post your opinion to
;; uim@fdo.

(define installed-im-module-list ())
(define currently-loading-module-name #f)

;;
;; TODO: write test for load-plugin
;; returns whether initialization is succeeded
(define require-module
  (lambda (module-name)
    (set! currently-loading-module-name module-name)
    (let ((succeeded (or (module-load module-name)
                         (try-require
                           (find-module-scm-path
                             uim-plugin-scm-load-path
                             module-name)))))
      (set! currently-loading-module-name #f)
      succeeded)))

;; TODO: write test
(define load-module-conf
  (lambda ()
    (let* ((config-path (get-config-path #f))
	   (user-module-dir (if config-path
				(string-append config-path "/plugin/")
				#f))
	   (conf-file "installed-modules.scm")
	   (user-conf-file (if user-module-dir
			       (string-append user-module-dir conf-file)
			       #f)))
      (try-load conf-file)
      (if (or
	   (setugid?)
	   (not user-conf-file))
	  #f
	  (if (not (getenv "LIBUIM_VANILLA"))
	      (let ((orig-module-list installed-im-module-list)
		    (orig-enabled-list enabled-im-list))
		(if (try-load user-conf-file)
		    (begin
		      (set! installed-im-module-list
                        (delete-duplicates
                          (append orig-module-list installed-im-module-list)))
		      (set! enabled-im-list
                        (delete-duplicates
                          (append orig-enabled-list enabled-im-list)))))))))))


;; TODO: write test
(define load-enabled-modules
  (lambda ()
    (let* ((config-path (get-config-path #f))
	   (user-module-dir (if config-path
				(string-append config-path "/plugin/")
				#f))
	   (file "loader.scm")
	   (user-file (if user-module-dir
			  (string-append user-module-dir file)
			  #f)))
      (and (try-load file)
	   (or (and (not (setugid?))
		    user-file
		    (try-load user-file))
	       #t)))))

(define find-module-scm-path
  (lambda (paths module-name)
    (let ((path ()))
      (cond ((null? paths) #f)
	    ((not (string? (car paths))) #f)
	    ((file-readable? (string-append (car paths)
					     "/"
					     module-name
					     ".scm"))
	     (string-append (car paths) "/" module-name ".scm"))
	    (else
	     (find-module-scm-path (cdr paths) module-name))))))

(define module-load
  (lambda (module-name)
    (if (require-dynlib module-name)
      (let ((scm-path (find-module-scm-path
				    uim-plugin-scm-load-path module-name)))
        (if (string? scm-path)
          (try-require scm-path)
          #t))
      #f)))