add annotation option. patch by Werner Koch

git-svn-id: http://encfs.googlecode.com/svn/trunk@68 db9cf616-1c43-0410-9cb8-a902689de0d6

ChangeLog

@@ -1,3 +1,7 @@
+
+Tue Dec 7 2010 Valient Gough <vgough@pobox.com>
+	* add annotation option, patch by Werner Koch.
+
 Sun Sep 5 2010 Valient Gough <vgough@pobox.com>
 	* fix mount failures when using certain options, due to changes in
 	  option passing mechanism in 1.7

encfs/FileUtils.cpp

@@ -314,14 +314,32 @@ std::string parentDirectory( const std::string &path )
 	return path.substr(0, last);
 }
 
-bool userAllowMkdir( const char *path, mode_t mode )
+bool userAllowMkdir(const char *path, mode_t mode )
+{
+    return userAllowMkdir(0, path, mode);
+}
+
+bool userAllowMkdir(int promptno, const char *path, mode_t mode )
 {
     // TODO: can we internationalize the y/n names?  Seems strange to prompt in
     // their own language but then have to respond 'y' or 'n'.
     // xgroup(setup)
     cerr << autosprintf( _("The directory \"%s\" does not exist. Should it be created? (y,n) "), path );
     char answer[10];
-    char *res = fgets( answer, sizeof(answer), stdin );
+    char *res;
+
+    switch (promptno)
+    {
+      case 1:
+        cerr << endl << "$PROMPT$ create_root_dir" << endl;
+        break;
+      case 2:
+        cerr << endl << "$PROMPT$ create_mount_point" << endl;
+        break;
+      default:
+        break;
+    }
+    res = fgets( answer, sizeof(answer), stdin );
 
     if(res != 0 && toupper(answer[0]) == 'Y')
     {
@@ -976,6 +994,7 @@ RootPtr createV6Config( EncFS_Context *ctx,
     bool useStdin = opts->useStdin;
     bool reverseEncryption = opts->reverseEncryption;
     ConfigMode configMode = opts->configMode;
+    bool annotate = opts->annotate;
     
     RootPtr rootInfo;
 
@@ -994,6 +1013,9 @@ RootPtr createV6Config( EncFS_Context *ctx,
                 " anything else, or an empty line will select standard mode.\n"
                 "?> ");
     
+        if (annotate)
+            cerr << "$PROMPT$ config_option" << endl;
+
         char *res = fgets( answer, sizeof(answer), stdin );
 	(void)res;
         cout << "\n";
@@ -1179,7 +1201,11 @@ RootPtr createV6Config( EncFS_Context *ctx,
     CipherKey userKey;
     rDebug( "useStdin: %i", useStdin );
     if(useStdin)
+    {
+        if (annotate)
+            cerr << "$PROMPT$ new_passwd" << endl;
         userKey = config->getUserKey( useStdin );
+    }
     else if(!passwordProgram.empty())
         userKey = config->getUserKey( passwordProgram, rootDir );
     else
@@ -1618,6 +1644,8 @@ RootPtr initFS( EncFS_Context *ctx, const shared_ptr<EncFS_Opts> &opts )
         if(opts->passwordProgram.empty())
         {
             rDebug( "useStdin: %i", opts->useStdin );
+            if (opts->annotate)
+                cerr << "$PROMPT$ passwd" << endl;
             userKey = config->getUserKey( opts->useStdin );
         } else
             userKey = config->getUserKey( opts->passwordProgram, opts->rootDir );

encfs/FileUtils.h

@@ -36,7 +36,8 @@ std::string parentDirectory( const std::string &path );
 
 // ask the user for permission to create the directory.  If they say ok, then
 // do it and return true.
-bool userAllowMkdir( const char *dirPath, mode_t mode );
+bool userAllowMkdir(const char *dirPath, mode_t mode );
+bool userAllowMkdir(int promptno, const char *dirPath, mode_t mode );
 
 class Cipher;
 class DirNode;
@@ -72,6 +73,7 @@ struct EncFS_Opts
 
     std::string passwordProgram; // path to password program (or empty)
     bool useStdin; // read password from stdin rather then prompting
+    bool annotate; // print annotation line prompt to stderr.
 
     bool ownerCreate; // set owner of new files to caller
 
@@ -87,6 +89,7 @@ struct EncFS_Opts
         checkKey = true;
         forceDecode = false;
         useStdin = false;
+        annotate = false;
         ownerCreate = false;
         reverseEncryption = false;
         configMode = Config_Prompt;

encfs/encfsctl.cpp

@@ -693,7 +693,7 @@ static int cmd_showcruft( int argc, char **argv )
     return EXIT_SUCCESS;
 }
 
-static int do_chpasswd( bool useStdin, int argc, char **argv )
+static int do_chpasswd( bool useStdin, bool annotate, int argc, char **argv )
 {
     (void)argc;
     string rootDir = argv[1];
@@ -721,6 +721,8 @@ static int do_chpasswd( bool useStdin, int argc, char **argv )
 
     // ask for existing password
     cout << _("Enter current Encfs password\n");
+    if (annotate)
+        cerr << "$PROMPT$ passwd" << endl;
     CipherKey userKey = config->getUserKey( useStdin );
     if(!userKey)
 	return EXIT_FAILURE;
@@ -742,7 +744,11 @@ static int do_chpasswd( bool useStdin, int argc, char **argv )
     config->kdfIterations = 0; // generate new
 
     if( useStdin )
+    {
+        if (annotate)
+            cerr << "$PROMPT$ new_passwd" << endl;
         userKey = config->getUserKey( true );
+    }
     else
         userKey = config->getNewUserKey();
 
@@ -781,12 +787,12 @@ static int do_chpasswd( bool useStdin, int argc, char **argv )
 
 static int chpasswd( int argc, char **argv )
 {
-    return do_chpasswd( false, argc, argv );
+    return do_chpasswd( false, false, argc, argv );
 }
 
 static int chpasswdAutomaticly( int argc, char **argv )
 {
-    return do_chpasswd( true, argc, argv );
+    return do_chpasswd( true, false, argc, argv );
 }
 
 

encfs/main.cpp

@@ -104,6 +104,7 @@ struct EncFS_Args
 	if(opts->forceDecode) ss << "(forceDecode) ";
 	if(opts->ownerCreate) ss << "(ownerCreate) ";
 	if(opts->useStdin) ss << "(useStdin) ";
+	if(opts->annotate) ss << "(annotate) ";
 	if(opts->reverseEncryption) ss << "(reverseEncryption) ";
 	if(opts->mountOnDemand) ss << "(mountOnDemand) ";
 	for(int i=0; i<fuseArgc; ++i)
@@ -196,6 +197,7 @@ bool processArgs(int argc, char *argv[], const shared_ptr<EncFS_Args> &out)
     out->opts->forceDecode = false;
     out->opts->ownerCreate = false;
     out->opts->useStdin = false;
+    out->opts->annotate = false;
     out->opts->reverseEncryption = false;
  
     bool useDefaultFlags = true;
@@ -223,6 +225,7 @@ bool processArgs(int argc, char *argv[], const shared_ptr<EncFS_Args> &out)
 	{"extpass", 1, 0, 'p'}, // external password program
 	// {"single-thread", 0, 0, 's'}, // single-threaded mode
 	{"stdinpass", 0, 0, 'S'}, // read password from stdin
+	{"annotate", 0, 0, 513}, // Print annotation lines to stderr
 	{"verbose", 0, 0, 'v'}, // verbose mode
 	{"version", 0, 0, 'V'}, //version
 	{"reverse", 0, 0, 'r'}, // reverse encryption
@@ -263,6 +266,9 @@ bool processArgs(int argc, char *argv[], const shared_ptr<EncFS_Args> &out)
 	case 'S':
 	    out->opts->useStdin = true;
 	    break;
+        case 513:
+            out->opts->annotate = true;
+            break;
 	case 'f':
 	    out->isDaemon = false;
 	    // this option was added in fuse 2.x
@@ -411,13 +417,15 @@ bool processArgs(int argc, char *argv[], const shared_ptr<EncFS_Args> &out)
 
     // check that the directories exist, or that we can create them..
     if(!isDirectory( out->opts->rootDir.c_str() ) && 
-	    !userAllowMkdir( out->opts->rootDir.c_str() ,0700))
+	    !userAllowMkdir( out->opts->annotate? 1:0,
+                             out->opts->rootDir.c_str() ,0700))
     {
 	rWarning(_("Unable to locate root directory, aborting."));
 	return false;
     }
     if(!isDirectory( out->mountPoint.c_str() ) && 
-	    !userAllowMkdir( out->mountPoint.c_str(),0700))
+	    !userAllowMkdir( out->opts->annotate? 2:0,
+                             out->mountPoint.c_str(),0700))
     {
 	rWarning(_("Unable to locate mount point, aborting."));
 	return false;
@@ -630,7 +638,10 @@ int main(int argc, char *argv[])
 	try
 	{
 	    time_t startTime, endTime;
-	   
+	  
+            if (encfsArgs->opts->annotate)
+                cerr << "$STATUS$ fuse_main_start" << endl;
+
 	    // FIXME: workaround for fuse_main returning an error on normal
 	    // exit.  Only print information if fuse_main returned
 	    // immediately..
@@ -642,6 +653,9 @@ int main(int argc, char *argv[])
 		    &encfs_oper, (void*)ctx);
 	    
 	    time( &endTime );
+            
+            if (encfsArgs->opts->annotate)
+                cerr << "$STATUS$ fuse_main_end" << endl;
 
 	    if(res == 0)
 		returnCode = EXIT_SUCCESS;