From 273c6a8503681f2ee0742514020a56a13ebd80b1 Mon Sep 17 00:00:00 2001
From: Michael Jumper <mike.jumper@guac-dev.org>
Date: Sun, 20 Oct 2013 19:09:15 -0700
Subject: [PATCH] Stub out guac OSC handling.

---
 src/protocols/ssh/terminal_handlers.c | 72 +++++++++++++++++++++++++--
 src/protocols/ssh/terminal_handlers.h |  2 +
 2 files changed, 71 insertions(+), 3 deletions(-)

diff --git a/src/protocols/ssh/terminal_handlers.c b/src/protocols/ssh/terminal_handlers.c
index e555b003..14c4614b 100644
--- a/src/protocols/ssh/terminal_handlers.c
+++ b/src/protocols/ssh/terminal_handlers.c
@@ -890,10 +890,76 @@ int guac_terminal_csi(guac_terminal* term, char c) {
 
 }
 
+int guac_terminal_guac_set_directory(guac_terminal* term, char c) {
+
+    static char filename[2048];
+    static int length = 0;
+
+    /* Stop on ECMA-48 ST (String Terminator */
+    if (c == 0x9C || c == 0x5C || c == 0x07) {
+        filename[length++] = '\0';
+        term->char_handler = guac_terminal_echo;
+        guac_client_log_info(term->client, "STUB: set: %s", filename);
+        length = 0;
+    }
+
+    /* Otherwise, store character */
+    else if (length < sizeof(filename)-1)
+        filename[length++] = c;
+
+    return 0;
+
+}
+
+int guac_terminal_guac_download(guac_terminal* term, char c) {
+
+    static char filename[2048];
+    static int length = 0;
+
+    /* Stop on ECMA-48 ST (String Terminator */
+    if (c == 0x9C || c == 0x5C || c == 0x07) {
+        filename[length++] = '\0';
+        term->char_handler = guac_terminal_echo;
+        guac_client_log_info(term->client, "STUB: get: %s", filename);
+        length = 0;
+    }
+
+    /* Otherwise, store character */
+    else if (length < sizeof(filename)-1)
+        filename[length++] = c;
+
+    return 0;
+
+}
+
 int guac_terminal_osc(guac_terminal* term, char c) {
-    /* TODO: Implement OSC */
-    if (c == 0x9C || c == 0x5C || c == 0x07) /* ECMA-48 ST (String Terminator */
-       term->char_handler = guac_terminal_echo; 
+
+    static int operation = 0;
+
+    /* If digit, append to operation */
+    if (c >= '0' && c <= '9')
+        operation = operation * 10 + c - '0';
+
+    /* If end of parameter, check value */
+    else if (c == ';') {
+
+        /* Download OSC */
+        if (operation == 482200)
+            term->char_handler = guac_terminal_guac_download;
+
+        /* Set upload directory OSC */
+        else if (operation == 482201)
+            term->char_handler = guac_terminal_guac_set_directory;
+
+        /* Reset parameter for next OSC */
+        operation = 0;
+
+    }
+
+    /* Stop on ECMA-48 ST (String Terminator */
+    else if (c == 0x9C || c == 0x5C || c == 0x07)
+        term->char_handler = guac_terminal_echo;
+
     return 0;
 }
 
diff --git a/src/protocols/ssh/terminal_handlers.h b/src/protocols/ssh/terminal_handlers.h
index 3b1faf68..0efa7be7 100644
--- a/src/protocols/ssh/terminal_handlers.h
+++ b/src/protocols/ssh/terminal_handlers.h
@@ -47,6 +47,8 @@ int guac_terminal_g1_charset(guac_terminal* term, char c);
 int guac_terminal_g2_charset(guac_terminal* term, char c);
 int guac_terminal_g3_charset(guac_terminal* term, char c);
 int guac_terminal_csi(guac_terminal* term, char c);
+int guac_terminal_guac_download(guac_terminal* term, char c);
+int guac_terminal_guac_set_directory(guac_terminal* term, char c);
 int guac_terminal_osc(guac_terminal* term, char c);
 int guac_terminal_ctrl_func(guac_terminal* term, char c);