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Emit CARDCTRL status lines.
This commit is contained in:
Werner Koch
parent
506aee32fd
commit
ef2995f5d0
@ -1,5 +1,13 @@
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2009-07-22 Werner Koch <wk@g10code.com>
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* call-agent.c (agent_learn): Use a direct SCD command.
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(did_early_card_test): New.
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(start_agent): Perform an early test for the card. Add arg FOR_CARD.
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(status_sc_op_failure): New.
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(agent_scd_setattr, agent_scd_writekey, agent_scd_genkey)
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(agent_scd_pksign, agent_scd_pkdecrypt, agent_scd_change_pin)
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(agent_scd_checkpin): Call new function.
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* gpg.c (main) <aFixTrustDB>: Show commands to run.
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* trustdb.c (how_to_fix_the_trustdb): New.
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* tdbio.c (tdbio_invalid): Show commands to re-create the trustdb.
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176
g10/call-agent.c
176
g10/call-agent.c
@ -39,12 +39,14 @@
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#include "asshelp.h"
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#include "sysutils.h"
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#include "call-agent.h"
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#include "status.h"
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#ifndef DBG_ASSUAN
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# define DBG_ASSUAN 1
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#endif
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static assuan_context_t agent_ctx = NULL;
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static int did_early_card_test;
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struct cipher_parm_s
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{
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@ -75,35 +77,104 @@ struct genkey_parm_s
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};
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static int learn_status_cb (void *opaque, const char *line);
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/* If RC is not 0, write an appropriate status message. */
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static void
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status_sc_op_failure (int rc)
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{
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switch (gpg_err_code (rc))
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{
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case 0:
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break;
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case GPG_ERR_CANCELED:
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write_status_text (STATUS_SC_OP_FAILURE, "1");
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break;
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case GPG_ERR_BAD_PIN:
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write_status_text (STATUS_SC_OP_FAILURE, "2");
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break;
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default:
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write_status (STATUS_SC_OP_FAILURE);
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break;
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}
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}
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/* Try to connect to the agent via socket or fork it off and work by
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pipes. Handle the server's initial greeting */
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static int
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start_agent (void)
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start_agent (int for_card)
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{
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int rc;
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/* Fixme: We need a context for each thread or serialize the access
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to the agent. */
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if (agent_ctx)
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return 0; /* Fixme: We need a context for each thread or serialize
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the access to the agent. */
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rc = start_new_gpg_agent (&agent_ctx,
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GPG_ERR_SOURCE_DEFAULT,
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opt.homedir,
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opt.agent_program,
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opt.lc_ctype, opt.lc_messages,
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opt.session_env,
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opt.verbose, DBG_ASSUAN,
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NULL, NULL);
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if (!rc)
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rc = 0;
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else
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{
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/* Tell the agent that we support Pinentry notifications. No
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error checking so that it will work also with older
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agents. */
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assuan_transact (agent_ctx, "OPTION allow-pinentry-notify",
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NULL, NULL, NULL, NULL, NULL, NULL);
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rc = start_new_gpg_agent (&agent_ctx,
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GPG_ERR_SOURCE_DEFAULT,
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opt.homedir,
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opt.agent_program,
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opt.lc_ctype, opt.lc_messages,
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opt.session_env,
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opt.verbose, DBG_ASSUAN,
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NULL, NULL);
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if (!rc)
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{
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/* Tell the agent that we support Pinentry notifications.
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No error checking so that it will work also with older
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agents. */
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assuan_transact (agent_ctx, "OPTION allow-pinentry-notify",
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NULL, NULL, NULL, NULL, NULL, NULL);
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}
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}
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if (!rc && for_card && !did_early_card_test)
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{
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/* Request the serial number of the card for an early test. */
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struct agent_card_info_s info;
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memset (&info, 0, sizeof info);
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rc = assuan_transact (agent_ctx, "SCD SERIALNO openpgp",
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NULL, NULL, NULL, NULL,
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learn_status_cb, &info);
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if (rc)
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{
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switch (gpg_err_code (rc))
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{
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case GPG_ERR_NOT_SUPPORTED:
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case GPG_ERR_NO_SCDAEMON:
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write_status_text (STATUS_CARDCTRL, "6");
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break;
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default:
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write_status_text (STATUS_CARDCTRL, "4");
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log_info ("selecting openpgp failed: %s\n", gpg_strerror (rc));
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break;
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}
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}
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if (!rc && is_status_enabled () && info.serialno)
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{
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char *buf;
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buf = xasprintf ("3 %s", info.serialno);
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write_status_text (STATUS_CARDCTRL, buf);
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xfree (buf);
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}
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agent_release_card_info (&info);
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if (!rc)
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did_early_card_test = 1;
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}
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return rc;
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}
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@ -345,12 +416,12 @@ agent_learn (struct agent_card_info_s *info)
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{
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int rc;
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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memset (info, 0, sizeof *info);
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rc = assuan_transact (agent_ctx, "LEARN --send",
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rc = assuan_transact (agent_ctx, "SCD LEARN --force",
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dummy_data_cb, NULL, default_inq_cb, NULL,
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learn_status_cb, info);
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/* Also try to get the key attributes. */
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@ -377,7 +448,7 @@ agent_scd_getattr (const char *name, struct agent_card_info_s *info)
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return gpg_error (GPG_ERR_TOO_LARGE);
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stpcpy (stpcpy (line, "SCD GETATTR "), name);
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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@ -427,12 +498,14 @@ agent_scd_setattr (const char *name,
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}
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*p = 0;
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rc = start_agent ();
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if (rc)
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return rc;
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rc = start_agent (1);
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if (!rc)
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{
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rc = assuan_transact (agent_ctx, line, NULL, NULL,
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default_inq_cb, NULL, NULL, NULL);
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}
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rc = assuan_transact (agent_ctx, line, NULL, NULL,
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default_inq_cb, NULL, NULL, NULL);
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status_sc_op_failure (rc);
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return rc;
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}
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@ -467,7 +540,7 @@ agent_scd_writecert (const char *certidstr,
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char line[ASSUAN_LINELENGTH];
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struct writecert_parm_s parms;
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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@ -517,7 +590,7 @@ agent_scd_writekey (int keyno, const char *serialno,
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(void)serialno;
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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@ -532,6 +605,7 @@ agent_scd_writekey (int keyno, const char *serialno,
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rc = assuan_transact (agent_ctx, line, NULL, NULL,
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inq_writekey_parms, &parms, NULL, NULL);
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status_sc_op_failure (rc);
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return rc;
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}
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@ -601,7 +675,7 @@ agent_scd_genkey (struct agent_card_genkey_s *info, int keyno, int force,
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(void)serialno;
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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@ -622,6 +696,7 @@ agent_scd_genkey (struct agent_card_genkey_s *info, int keyno, int force,
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NULL, NULL, default_inq_cb, NULL,
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scd_genkey_cb, info);
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status_sc_op_failure (rc);
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return rc;
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}
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@ -653,7 +728,7 @@ agent_scd_pksign (const char *serialno, int hashalgo,
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*r_buf = NULL;
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*r_buflen = 0;
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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@ -692,11 +767,12 @@ agent_scd_pksign (const char *serialno, int hashalgo,
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if (rc)
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{
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xfree (get_membuf (&data, &len));
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return rc;
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}
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*r_buf = get_membuf (&data, r_buflen);
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else
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*r_buf = get_membuf (&data, r_buflen);
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return 0;
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status_sc_op_failure (rc);
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return rc;
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}
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@ -717,7 +793,7 @@ agent_scd_pkdecrypt (const char *serialno,
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size_t len;
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*r_buf = NULL;
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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@ -751,13 +827,16 @@ agent_scd_pkdecrypt (const char *serialno,
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if (rc)
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{
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xfree (get_membuf (&data, &len));
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return rc;
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}
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*r_buf = get_membuf (&data, r_buflen);
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if (!*r_buf)
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return gpg_error (GPG_ERR_ENOMEM);
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else
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{
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*r_buf = get_membuf (&data, r_buflen);
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if (!*r_buf)
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rc = gpg_error (GPG_ERR_ENOMEM);
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}
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return 0;
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status_sc_op_failure (rc);
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return rc;
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}
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@ -773,7 +852,7 @@ agent_scd_readcert (const char *certidstr,
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size_t len;
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*r_buf = NULL;
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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@ -821,7 +900,7 @@ agent_scd_change_pin (int chvno, const char *serialno)
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reset = "--reset";
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chvno %= 100;
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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@ -829,6 +908,7 @@ agent_scd_change_pin (int chvno, const char *serialno)
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line[DIM(line)-1] = 0;
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rc = assuan_transact (agent_ctx, line, NULL, NULL,
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default_inq_cb, NULL, NULL, NULL);
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status_sc_op_failure (rc);
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return rc;
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}
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@ -842,15 +922,17 @@ agent_scd_checkpin (const char *serialno)
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int rc;
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char line[ASSUAN_LINELENGTH];
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rc = start_agent ();
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rc = start_agent (1);
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if (rc)
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return rc;
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snprintf (line, DIM(line)-1, "SCD CHECKPIN %s", serialno);
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line[DIM(line)-1] = 0;
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return assuan_transact (agent_ctx, line,
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NULL, NULL,
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default_inq_cb, NULL, NULL, NULL);
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rc = assuan_transact (agent_ctx, line,
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NULL, NULL,
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default_inq_cb, NULL, NULL, NULL);
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status_sc_op_failure (rc);
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return rc;
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}
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@ -887,7 +969,7 @@ agent_get_passphrase (const char *cache_id,
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*r_passphrase = NULL;
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rc = start_agent ();
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rc = start_agent (0);
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if (rc)
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return rc;
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@ -958,7 +1040,7 @@ agent_clear_passphrase (const char *cache_id)
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if (!cache_id || !*cache_id)
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return 0;
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rc = start_agent ();
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rc = start_agent (0);
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if (rc)
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return rc;
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