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-rw-r--r--sm/call-agent.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/sm/call-agent.c b/sm/call-agent.c
index abce0387d..f2b7b6fba 100644
--- a/sm/call-agent.c
+++ b/sm/call-agent.c
@@ -1275,14 +1275,17 @@ learn_cb (void *opaque, const void *buffer, size_t length)
return 0;
}
-/* Call the agent to learn about a smartcard */
+
+/* Call the agent to learn about a smartcard. If SERIALNO is not NULL
+ * switch to the card with that s/n first. */
int
-gpgsm_agent_learn (ctrl_t ctrl)
+gpgsm_agent_learn (ctrl_t ctrl, const char *serialno)
{
int rc;
struct learn_parm_s learn_parm;
membuf_t data;
size_t len;
+ char line[ASSUAN_LINELENGTH];
rc = start_agent (ctrl);
if (rc)
@@ -1297,7 +1300,10 @@ gpgsm_agent_learn (ctrl_t ctrl)
learn_parm.ctrl = ctrl;
learn_parm.ctx = agent_ctx;
learn_parm.data = &data;
- rc = assuan_transact (agent_ctx, "LEARN --send",
+ snprintf (line, sizeof line, "LEARN --send%s%s",
+ serialno? " -- ":"",
+ serialno? serialno:"");
+ rc = assuan_transact (agent_ctx, line,
learn_cb, &learn_parm,
NULL, NULL,
learn_status_cb, &learn_parm);