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cpp: Handle smart card op failure status messages

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* lang/cpp/src/editinteractor.cpp (parse_sc_op_failure): New.
(CallbackHelper::edit_interactor_callback_impl): Parse failure code on
GPGME_STATUS_SC_OP_FAILURE status.
(sc_op_failure_to_error): New.
--

This converts a SC_OP_FAILURE status message logged by gpg to a
corresponding error. Unfortunately, GPG_ERR_BAD_PIN and
GPG_ERR_BAD_RESET_CODE are mapped to the same SC_OP_FAILURE code, so
that we had to choose one.

GnuPG-bug-id: 6971
This commit is contained in:
Ingo Klöcker 2024-04-05 15:08:01 +02:00
parent 67057d83f5
commit e4a95746ad
No known key found for this signature in database
GPG Key ID: F5A5D1692277A1E9
1 changed files with 36 additions and 0 deletions
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36
lang/cpp/src/editinteractor.cpp
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@ -52,6 +52,7 @@ using namespace GpgME;
static const char *status_to_string(unsigned int status);
static Error status_to_error(unsigned int status);
static Error parse_sc_op_failure(const char *args);
class EditInteractor::Private
{
@ -102,6 +103,9 @@ public:
} else if (status == GPGME_STATUS_ERROR) {
err = ei->q->parseStatusError(args);
ei->state = EditInteractor::ErrorState;
} else if (status == GPGME_STATUS_SC_OP_FAILURE) {
err = parse_sc_op_failure(args);
ei->state = EditInteractor::ErrorState;
} else {
ei->state = ei->q->nextState(status, args, err);
}
@ -280,6 +284,38 @@ GpgME::Error EditInteractor::parseStatusError(const char *args)
return err;
}
static Error sc_op_failure_to_error(unsigned int status)
{
switch (status) {
case 1:
// GPG_ERR_CANCELED or GPG_ERR_FULLY_CANCELED
return Error::fromCode(GPG_ERR_CANCELED);
case 2:
// GPG_ERR_BAD_PIN or GPG_ERR_BAD_RESET_CODE [sic]
return Error::fromCode(GPG_ERR_BAD_PIN);
case 3:
return Error::fromCode(GPG_ERR_PIN_BLOCKED);
case 4:
return Error::fromCode(GPG_ERR_NO_RESET_CODE);
}
return Error::fromCode(GPG_ERR_CARD);
}
// static
Error parse_sc_op_failure(const char *args)
{
Error err;
const auto fields = split(args, ' ');
if (fields.size() >= 1) {
err = sc_op_failure_to_error(static_cast<unsigned int>(std::stoul(fields[0])));
} else {
err = Error::fromCode(GPG_ERR_CARD);
}
return err;
}
static const char *const status_strings[] = {
"EOF",
/* mkstatus processing starts here */