core: New gpgme_set_ctx_flag "request-origin".

* src/context.h (gpgme_context): Add 'request_origin'.
* src/gpgme.c (gpgme_release): Free that field.
(gpgme_set_ctx_flag, gpgme_get_ctx_flag): Add "request-origin".
* src/engine-backend.h (engine_ops): Add 'set_engine_ops' func ptr and
adjust all users.
* src/engine.c (_gpgme_engine_set_engine_flags): New.
* src/op-support.c (_gpgme_op_reset): Call that func.
* src/engine-gpg.c (struct engine_gpg): Add 'request_origin'.
(gpg_set_engine_flags): New.
(_gpgme_engine_ops_gpg): Hook it.
(build_argv): Use command line option --request-origin.
* src/engine-gpgsm.c (struct engine_gpgsm): Add 'request_origin'.
(gpgsm_set_engine_flags): New.
(_gpgme_engine_ops_gpgsm): Hook it.
(start): Send OPTION "request-origin".
* src/engine-assuan.c (struct engine_llass): Add 'request_origin'.
(gpgsm_set_engine_flags): New.
(_gpgme_engine_ops_assuan): Hook it.
(start): Send OPTION "pretend-request-origin".

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 35 insertions, 0 deletions

diff --git a/src/engine-gpgsm.c b/src/engine-gpgsm.c
index e337fedd..b8e44e7c 100644
--- a/src/engine-gpgsm.c
+++ b/src/engine-gpgsm.c
@@ -107,6 +107,8 @@ struct engine_gpgsm
 
   gpgme_data_t inline_data;  /* Used to collect D lines.  */
 
+  char request_origin[10];
+
   struct gpgme_io_cbs io_cbs;
 };
 
@@ -521,6 +523,24 @@ gpgsm_new (void **engine, const char *file_name, const char *home_dir,
 }
 
 
+/* Copy flags from CTX into the engine object.  */
+static void
+gpgsm_set_engine_flags (void *engine, const gpgme_ctx_t ctx)
+{
+  engine_gpgsm_t gpgsm = engine;
+
+  if (ctx->request_origin)
+    {
+      if (strlen (ctx->request_origin) + 1 > sizeof gpgsm->request_origin)
+        strcpy (gpgsm->request_origin, "xxx"); /* Too long  - force error */
+      else
+        strcpy (gpgsm->request_origin, ctx->request_origin);
+    }
+  else
+    *gpgsm->request_origin = 0;
+}
+
+
 static gpgme_error_t
 gpgsm_set_locale (void *engine, int category, const char *value)
 {
@@ -1058,6 +1078,20 @@ start (engine_gpgsm_t gpgsm, const char *command)
   int nfds;
   int i;
 
+  if (*gpgsm->request_origin)
+    {
+      char *cmd;
+
+      cmd = _gpgme_strconcat ("OPTION request-origin=",
+                              gpgsm->request_origin, NULL);
+      if (!cmd)
+        return gpg_error_from_syserror ();
+      err = gpgsm_assuan_simple_command (gpgsm, cmd, NULL, NULL);
+      free (cmd);
+      if (err && gpg_err_code (err) != GPG_ERR_UNKNOWN_OPTION)
+        return err;
+    }
+
   /* We need to know the fd used by assuan for reads.  We do this by
      using the assumption that the first returned fd from
      assuan_get_active_fds() is always this one.  */
@@ -2102,6 +2136,7 @@ struct engine_ops _gpgme_engine_ops_gpgsm =
     gpgsm_set_colon_line_handler,
     gpgsm_set_locale,
     NULL,		/* set_protocol */
+    gpgsm_set_engine_flags,
     gpgsm_decrypt,
     gpgsm_delete,	/* decrypt_verify */
     NULL,		/* edit */