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authorBen Kibbey <[email protected]>2011-07-09 12:25:22 +0000
committerWerner Koch <[email protected]>2011-07-27 08:58:52 +0000
commit29af48840f1f5d39fae8ad7942f3676936134996 (patch)
treee34f2384feb12cf5649e5e4f1fb35fe18a7cdbbc
parentFix crash while reading unsupported ssh keys. (diff)
downloadgnupg-29af48840f1f5d39fae8ad7942f3676936134996.tar.gz
gnupg-29af48840f1f5d39fae8ad7942f3676936134996.zip
Fixed gpg-agent SCD inquire command cancellation.
Need to send the CANCEL command back to scdaemon otherwise the next SCD command will fail.
-rw-r--r--agent/ChangeLog5
-rw-r--r--agent/call-scd.c13
2 files changed, 18 insertions, 0 deletions
diff --git a/agent/ChangeLog b/agent/ChangeLog
index e1becac51..25eabbc15 100644
--- a/agent/ChangeLog
+++ b/agent/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-09 Ben Kibbey <[email protected]>
+
+ * call-scd.c (agent_card_scd): Send the CANCEL command back to SCD
+ when the SCD command is cancelled from the client.
+
2011-07-22 Werner Koch <[email protected]>
* command-ssh.c (ssh_receive_key): Do not init comment to an empty
diff --git a/agent/call-scd.c b/agent/call-scd.c
index 710589f72..1ffb1239e 100644
--- a/agent/call-scd.c
+++ b/agent/call-scd.c
@@ -1175,6 +1175,19 @@ agent_card_scd (ctrl_t ctrl, const char *cmdline,
pass_data_thru, assuan_context,
inq_needpin, &inqparm,
pass_status_thru, assuan_context);
+ if (gpg_err_code(rc) == GPG_ERR_ASS_CANCELED)
+ {
+ rc = assuan_write_line(ctrl->scd_local->ctx, "CAN");
+ if (!rc) {
+ char *line;
+ size_t len;
+
+ rc = assuan_read_line(ctrl->scd_local->ctx, &line, &len);
+ if (!rc)
+ rc = gpg_error(GPG_ERR_ASS_CANCELED);
+ }
+ }
+
assuan_set_flag (ctrl->scd_local->ctx, ASSUAN_CONVEY_COMMENTS, saveflag);
if (rc)
{