core: Add new context flag "no-symkey-cache".

* src/gpgme.c (gpgme_set_ctx_flag): Set flag.
(gpgme_get_ctx_flag): Get flag.
* src/context.h (struct gpgme_context): Add field no_symkey_cache.
* src/engine-gpg.c (struct engine_gpg): Ditto.
(gpg_set_engine_flags): Set flag.
(build_argv): Pass option --no-symkey-cache to gpg.

* tests/run-decrypt.c (print_result): Fix segv for symmetric messages.
(main): New option --no-symkey-cache.
* tests/run-encrypt.c (main): New option --no-symkey-cache.

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

1 files changed, 8 insertions, 0 deletions

diff --git a/src/gpgme.c b/src/gpgme.c
index 9e65c50a..82d67478 100644
--- a/src/gpgme.c
+++ b/src/gpgme.c
@@ -538,6 +538,10 @@ gpgme_set_ctx_flag (gpgme_ctx_t ctx, const char *name, const char *value)
       if (!ctx->request_origin)
         err = gpg_error_from_syserror ();
     }
+  else if (!strcmp (name, "no-symkey-cache"))
+    {
+      ctx->no_symkey_cache = abool;
+    }
   else
     err = gpg_error (GPG_ERR_UNKNOWN_NAME);
 
@@ -583,6 +587,10 @@ gpgme_get_ctx_flag (gpgme_ctx_t ctx, const char *name)
     {
       return ctx->request_origin? ctx->request_origin : "";
     }
+  else if (!strcmp (name, "no-symkey-cache"))
+    {
+      return ctx->no_symkey_cache? "1":"";
+    }
   else
     return NULL;
 }