OSC 52 set access for iTerm2

iterm2-osc52-set access.diff

diff --git a/VT100Screen.h b/VT100Screen.h
index 4f46cdc..8a70e79 100644
--- a/VT100Screen.h
+++ b/VT100Screen.h
@@ -177,6 +177,7 @@ void StringToScreenChars(NSString *s,
 
 - (BOOL) blinkingCursor;
 - (void) setBlinkingCursor: (BOOL) flag;
+- (void)processOSC52: (NSString*) commandString;
 - (void)showCursor:(BOOL)show;
 - (void)setPlayBellFlag:(BOOL)flag;
 - (void)setShowBellFlag:(BOOL)flag;
diff --git a/VT100Screen.m b/VT100Screen.m
index 5478215..c74a657 100644
--- a/VT100Screen.m
+++ b/VT100Screen.m
@@ -57,6 +57,9 @@
 #import "RegexKitLite.h"
 #import "TmuxStateParser.h"
 
+// for OSC52 base64 decoding
+#import <apr-1/apr_base64.h>
+
 #define MAX_SCROLLBACK_LINES 1000000
 #define MAX_SCROLL_AT_ONCE 1024
 #define DIRTY_MAGIC 0x76  // Used to ensure we don't go off end of dirty array
@@ -1395,6 +1398,51 @@ static char* FormatCont(int c)
     blinkingCursor = flag;
 }
 
+- (void)processOSC52: (NSString*) commandString
+{
+    //
+    // - set access
+    //   ESC ] 5 2 ; Pc ; <base64 encoded string> ST
+    //
+    // - get access
+    //   ESC ] 5 2 ; Pc ; ? ST
+    //
+    // Pc consists from:
+    //   'p', 's', 'c', '0', '1', '2', '3', '4', '5', '6', '7'
+    //
+    // Note: Pc is ignored now.
+    //
+    
+    char *buffer = (char*)[commandString cStringUsingEncoding:NSASCIIStringEncoding];
+
+    // ignore first parameter now
+    while (strchr("psc01234567", *buffer)) {
+        ++buffer;
+    }
+    if (*buffer != ';') {
+        return; // fail to parse
+    }
+    ++buffer;    
+    if (*buffer == '?') { // OSC 52 get access
+        // TODO: Now get access is not implemented.
+    } else { // OSC 52 set access
+        
+        // decode base64 string.
+        int destLength = apr_base64_decode_len(buffer);
+        char *decodedBuffer = malloc(destLength);
+        apr_base64_decode(decodedBuffer, buffer);
+        NSString *resultString = [[[NSString alloc] initWithBytesNoCopy: decodedBuffer
+                                                                 length: destLength
+                                                               encoding: [TERMINAL encoding]
+                                                           freeWhenDone: YES]
+                                  autorelease];
+        // set the result to paste board.
+        NSPasteboard* thePasteboard = [NSPasteboard generalPasteboard];
+        [thePasteboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
+        [thePasteboard setString:resultString forType:NSStringPboardType];
+    }
+}
+
 // Should the profile name be inculded in the window/tab title? Requires both
 // a per-profile option to be on as well as the global option.
 - (BOOL)_syncTitle
@@ -1735,6 +1783,9 @@ static char* FormatCont(int c)
         [SESSION setWindowTitle: newTitle];
         [SESSION setName: newTitle];
         break;
+    case XTERMCC_PASTE64:
+        [self processOSC52: [[token.u.string copy] autorelease]];
+        break;
     case XTERMCC_ICON_TITLE:
         newTitle = [[token.u.string copy] autorelease];
         if ([self _syncTitle]) {
diff --git a/VT100Terminal.h b/VT100Terminal.h
index 2c59900..578be53 100644
--- a/VT100Terminal.h
+++ b/VT100Terminal.h
@@ -129,6 +129,7 @@
 #define XTERMCC_PROPRIETARY_ETERM_EXT 110
 #define XTERMCC_SET_PALETTE 111
 #define XTERMCC_SET_KVP 112
+#define XTERMCC_PASTE64 113
 
 // Some ansi stuff
 #define ANSICSI_CHA      3000   // Cursor Horizontal Absolute
diff --git a/VT100Terminal.m b/VT100Terminal.m
index 7954acc..a421327 100644
--- a/VT100Terminal.m
+++ b/VT100Terminal.m
@@ -882,6 +882,10 @@ static VT100TCC decode_xterm(unsigned char *datap,
                 // <Esc>]50;key=value^G
                 result.type = XTERMCC_SET_KVP;
                 break;
+            case 52:
+                // base64 copy/paste (OPT_PASTE64)
+                result.type = XTERMCC_PASTE64;
+                break;
             default:
                 result.type = VT100_NOTSUPPORT;
                 break;
diff --git a/iTerm.xcodeproj/project.pbxproj b/iTerm.xcodeproj/project.pbxproj
index 6a16546..1535ade 100644
--- a/iTerm.xcodeproj/project.pbxproj
+++ b/iTerm.xcodeproj/project.pbxproj
@@ -1976,7 +1976,10 @@
 				);
 				LINK_WITH_STANDARD_LIBRARIES = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
-				OTHER_LDFLAGS = "-licucore";
+				OTHER_LDFLAGS = (
+					"-laprutil-1",
+					"-licucore",
+				);
 				PRODUCT_NAME = iTerm;
 				SDKROOT = macosx10.7;
 				SECTORDER_FLAGS = "";
@@ -2025,7 +2028,10 @@
 				);
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
 				OTHER_CODE_SIGN_FLAGS = "";
-				OTHER_LDFLAGS = "-licucore";
+				OTHER_LDFLAGS = (
+					"-laprutil-1",
+					"-licucore",
+				);
 				PRODUCT_NAME = iTerm;
 				SDKROOT = macosx10.6;
 				VALID_ARCHS = "ppc i386 x86_64";
@@ -2070,7 +2076,10 @@
 					"\"$(SRCROOT)/Growl.framework\"",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
-				OTHER_LDFLAGS = "-licucore";
+				OTHER_LDFLAGS = (
+					"-laprutil-1",
+					"-licucore",
+				);
 				OTHER_REZFLAGS = "";
 				PRODUCT_NAME = iTerm;
 				REZ_EXECUTABLE = YES;