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kbx: Fix error paths to fall back to D-lines.

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* kbx/kbx-client-util.c (prepare_data_pipe): Return an error.
(kbx_client_data_new): Recover from an error by use of D-lines.
(kbx_client_data_release): Handle the case of use of D-lines.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2023-07-21 14:18:33 +09:00
parent 6e2412e74a
commit eceba4f207
No known key found for this signature in database
GPG Key ID: 640114AF89DE6054
1 changed files with 12 additions and 10 deletions
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22
kbx/kbx-client-util.c
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@ -129,7 +129,7 @@ prepare_data_pipe (kbx_client_data_t kcd)
inpipe[1], gpg_strerror (err), gpg_strsource (err));
es_fclose (infp);
gnupg_close_pipe (inpipe[1]);
return 0; /* Server may not support fd-passing. */
return err;
}
err = assuan_transact (kcd->ctx, "OUTPUT FD",
@ -139,13 +139,12 @@ prepare_data_pipe (kbx_client_data_t kcd)
log_info ("keyboxd does not accept our fd: %s <%s>\n",
gpg_strerror (err), gpg_strsource (err));
es_fclose (infp);
return 0;
return err;
}
close (inpipe[1]);
kcd->fp = infp;
rc = npth_attr_init (&tattr);
if (rc)
{
@ -295,8 +294,7 @@ kbx_client_data_new (kbx_client_data_t *r_kcd, assuan_context_t ctx,
{
err = gpg_error_from_errno (rc);
log_error ("error initializing mutex: %s\n", gpg_strerror (err));
xfree (kcd);
return err;
goto leave; /* Use D-lines. */
}
rc = npth_cond_init (&kcd->cond, NULL);
if (rc)
@ -304,8 +302,7 @@ kbx_client_data_new (kbx_client_data_t *r_kcd, assuan_context_t ctx,
err = gpg_error_from_errno (rc);
log_error ("error initializing condition: %s\n", gpg_strerror (err));
npth_mutex_destroy (&kcd->mutex);
xfree (kcd);
return err;
goto leave; /* Use D-lines. */
}
err = prepare_data_pipe (kcd);
@ -313,8 +310,7 @@ kbx_client_data_new (kbx_client_data_t *r_kcd, assuan_context_t ctx,
{
npth_cond_destroy (&kcd->cond);
npth_mutex_destroy (&kcd->mutex);
xfree (kcd);
return err;
/* Use D-lines. */
}
leave:
@ -331,10 +327,16 @@ kbx_client_data_release (kbx_client_data_t kcd)
if (!kcd)
return;
fp = kcd->fp;
if (!fp)
{
xfree (kcd);
return;
}
if (npth_join (kcd->thd, NULL))
log_error ("kbx_client_data_release failed on npth_join");
fp = kcd->fp;
kcd->fp = NULL;
es_fclose (fp);