agent: New OPTION pretend-request-origin

* common/shareddefs.h (request_origin_t): New.
* common/agent-opt.c (parse_request_origin): New.
(str_request_origin): New.
* agent/command.c (option_handler): Implement new option.
--

This allows to pretend that a request originated from the extra or
browser socket.

Signed-off-by: Werner Koch <wk@gnupg.org>

2 files changed, 48 insertions, 0 deletions

diff --git a/common/agent-opt.c b/common/agent-opt.c
index b32448242..6d9f9e77e 100644
--- a/common/agent-opt.c
+++ b/common/agent-opt.c
@@ -69,3 +69,38 @@ str_pinentry_mode (pinentry_mode_t mode)
     }
  return "?";
 }
+
+
+/* Parse VALUE and return an integer representing a request_origin_t.
+ * (-1) is returned for an invalid VALUE.  */
+int
+parse_request_origin (const char *value)
+{
+  int result;
+
+  if (!strcmp (value, "none") || !strcmp (value, "local"))
+    result = REQUEST_ORIGIN_LOCAL;
+  else if (!strcmp (value, "remote"))
+    result = REQUEST_ORIGIN_REMOTE;
+  else if (!strcmp (value, "browser"))
+    result = REQUEST_ORIGIN_BROWSER;
+  else
+    result = -1;
+
+  return result;
+}
+
+
+/* Return the string representation for the request origin.  Returns
+ * "?" for an invalid mode.  */
+const char *
+str_request_origin (request_origin_t mode)
+{
+  switch (mode)
+    {
+    case REQUEST_ORIGIN_LOCAL:   return "local";
+    case REQUEST_ORIGIN_REMOTE:  return "remote";
+    case REQUEST_ORIGIN_BROWSER: return "browser";
+    }
+ return "?";
+}
diff --git a/common/shareddefs.h b/common/shareddefs.h
index 1594f6650..4b1442133 100644
--- a/common/shareddefs.h
+++ b/common/shareddefs.h
@@ -39,10 +39,23 @@ typedef enum
 pinentry_mode_t;
 
 
+/* Values for the request origin.  */
+typedef enum
+  {
+    REQUEST_ORIGIN_LOCAL = 0,
+    REQUEST_ORIGIN_REMOTE,
+    REQUEST_ORIGIN_BROWSER
+  }
+request_origin_t;
+
+
 /*-- agent-opt.c --*/
 int parse_pinentry_mode (const char *value);
 const char *str_pinentry_mode (pinentry_mode_t mode);
 
+int parse_request_origin (const char *value);
+const char *str_request_origin (request_origin_t mode);
+
 
 
 #endif /*GNUPG_COMMON_SHAREDDEFS_H*/