security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2024-12-22 10:19:57 +01:00
Code Activity

scd: Add npth_unprotect/npth_protect for blocking operations.

Browse Source 
* scd/ccid-driver.c (ccid_open_usb_reader): Name the thread.
(ccid_vendor_specific_setup, ccid_open_usb_reader): Wrap
blocking operations by npth_unprotect/npth_protect.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2022-08-25 13:13:11 +09:00
parent f4b01ddc6a
commit 6df8608c3e
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
scd/ccid-driver.c
View File

@ -1345,7 +1345,13 @@ ccid_vendor_specific_setup (ccid_driver_t handle)
{
if (handle->id_vendor == VENDOR_SCM && handle->id_product == SCM_SPR532)
{
#ifdef USE_NPTH
npth_unprotect ();
#endif
libusb_clear_halt (handle->idev, handle->ep_intr);
#ifdef USE_NPTH
npth_protect ();
#endif
}
return 0;
}
@ -1725,6 +1731,7 @@ ccid_open_usb_reader (const char *spec_reader_name,
*handle = NULL;
return err;
}
npth_setname_np (thread, "ccid_usb_thread");
npth_attr_destroy (&tattr);
}
@ -1769,9 +1776,15 @@ ccid_open_usb_reader (const char *spec_reader_name,
goto leave;
}
#ifdef USE_NPTH
npth_unprotect ();
#endif
rc = libusb_claim_interface (idev, ifc_no);
if (rc)
{
#ifdef USE_NPTH
npth_protect ();
#endif
DEBUGOUT_1 ("usb_claim_interface failed: %d\n", rc);
rc = map_libusb_error (rc);
goto leave;
@ -1781,11 +1794,18 @@ ccid_open_usb_reader (const char *spec_reader_name,
rc = libusb_set_interface_alt_setting (idev, ifc_no, set_no);
if (rc)
{
#ifdef USE_NPTH
npth_protect ();
#endif
DEBUGOUT_1 ("usb_set_interface_alt_setting failed: %d\n", rc);
rc = map_libusb_error (rc);
goto leave;
}
#ifdef USE_NPTH
npth_protect ();
#endif
rc = ccid_vendor_specific_init (*handle);
leave: