From c3f7df32c68315e9c66b2a9a0f3e181771c79890 Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Mon, 4 Sep 2006 05:42:58 +0000
Subject: [PATCH] * epg.el (epg--list-keys-1): Respect epg-gpg-home-directory.
 (epg--clear-string): New function.
 (epg--status-GET_HIDDEN): Encode passphrase with
 terminal-coding-system.

* epg-config.el (epg-gpg-minimum-version): New constant.
(epg-config--parse-version): New function.
(epg-config--compare-version): New function.
(epg-configuration): Respect epg-gpg-home-directory.
---
 ChangeLog     |    6 ++++++
 epg-config.el |    4 +++-
 epg.el        |   28 +++++++++++++++++++++-------
 3 files changed, 30 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 359cecc..76619e5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,14 @@
 2006-09-04  Daiki Ueno  <ueno@unixuser.org>
 
+	* epg.el (epg--list-keys-1): Respect epg-gpg-home-directory.
+	(epg--clear-string): New function.
+	(epg--status-GET_HIDDEN): Encode passphrase with
+	terminal-coding-system.
+
 	* epg-config.el (epg-gpg-minimum-version): New constant.
 	(epg-config--parse-version): New function.
 	(epg-config--compare-version): New function.
+	(epg-configuration): Respect epg-gpg-home-directory.
 
 2006-09-03  Daiki Ueno  <ueno@unixuser.org>
 
diff --git a/epg-config.el b/epg-config.el
index 51a7460..d28fcce 100644
--- a/epg-config.el
+++ b/epg-config.el
@@ -52,7 +52,9 @@
   (let (config type)
     (with-temp-buffer
       (apply #'call-process epg-gpg-program nil (list t nil) nil
-	     '("--with-colons" "--list-config"))
+	     (append (if epg-gpg-home-directory
+			 (list "--homedir" epg-gpg-home-directory))
+		     '("--with-colons" "--list-config")))
       (goto-char (point-min))
       (while (re-search-forward "^cfg:\\([^:]+\\):\\(.*\\)" nil t)
 	(setq type (intern (match-string 1))
diff --git a/epg.el b/epg.el
index 3615cb1..6000dc5 100644
--- a/epg.el
+++ b/epg.el
@@ -933,7 +933,8 @@ This function is for internal use only."
 	   (string-match "\\`passphrase\\." string))
       (let (inhibit-quit
 	    passphrase
-	    passphrase-with-new-line)
+	    passphrase-with-new-line
+	    encoded-passphrase-with-new-line)
 	(unwind-protect
 	    (condition-case nil
 		(progn
@@ -948,10 +949,14 @@ This function is for internal use only."
 			     (cdr (epg-context-passphrase-callback context)))))
 		  (when passphrase
 		    (setq passphrase-with-new-line (concat passphrase "\n"))
-		    (fillarray passphrase 0)
-		    (setq passphrase nil)
+		    (epg--clear-string passphrase)
+		    (setq passphrase nil
+			  encoded-passphrase-with-new-line
+			  (encode-coding-string passphrase-with-new-line
+						(terminal-coding-system)))
+		    
 		    (process-send-string (epg-context-process context)
-					 passphrase-with-new-line)))
+					 encoded-passphrase-with-new-line)))
 	      (quit
 	       (epg-context-set-result-for
 		context 'error
@@ -959,9 +964,11 @@ This function is for internal use only."
 		      (epg-context-result-for context 'error)))
 	       (delete-process (epg-context-process context))))
 	  (if passphrase
-	      (fillarray passphrase 0))
+	      (epg--clear-string passphrase))
 	  (if passphrase-with-new-line
-	      (fillarray passphrase-with-new-line 0))))))
+	      (epg--clear-string passphrase-with-new-line))
+	  (if encoded-passphrase-with-new-line
+	      (epg--clear-string encoded-passphrase-with-new-line))))))
 
 (defun epg--status-GET_BOOL (context string)
   (let ((entry (assoc string epg-prompt-alist))
@@ -1294,7 +1301,9 @@ This function is for internal use only."
   (message "%s: %d%%/%d%%" what current total))
 
 (defun epg--list-keys-1 (context name mode)
-  (let ((args (append (list "--with-colons" "--no-greeting" "--batch"
+  (let ((args (append (if epg-gpg-home-directory
+			  (list "--homedir" epg-gpg-home-directory))
+		      (list "--with-colons" "--no-greeting" "--batch"
 			    "--with-fingerprint"
 			    "--with-fingerprint"
 			    (if (memq mode '(t secret))
@@ -1471,6 +1480,11 @@ You can then use `write-region' to write new data into the file."
 	     (file-directory-p tempdir)
 	     (delete-directory tempdir))))))
 
+(if (fboundp 'clear-string)
+    (defalias 'epg--clear-string 'clear-string)
+  (defun epg--clear-string (string)
+    (fillarray string 0)))
+
 ;;;###autoload
 (defun epg-cancel (context)
   (if (buffer-live-p (process-buffer (epg-context-process context)))
-- 
1.7.10.4