james/yubikey.rs
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Initialize context to -1 and always call establish context.

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This commit is contained in:
Alessio Di Mauro
2015-11-02 15:17:25 +01:00
parent fff5b71a0f
commit 651280ca8b
1 changed files with 6 additions and 7 deletions
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lib/ykpiv.c
+1 -2
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@@ -103,6 +103,7 @@ ykpiv_rc ykpiv_init(ykpiv_state **state, int verbose) {
}
memset(s, 0, sizeof(ykpiv_state));
s->verbose = verbose;
s->context = -1;
*state = s;
return YKPIV_OK;
}
@@ -204,7 +205,6 @@ ykpiv_rc ykpiv_list_readers(ykpiv_state *state, char *readers, size_t *len) {
unsigned long num_readers = 0;
long rc;
if(SCardIsValidContext(state->context) != SCARD_S_SUCCESS) {
rc = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &state->context);
if (rc != SCARD_S_SUCCESS) {
if(state->verbose) {
@@ -212,7 +212,6 @@ ykpiv_rc ykpiv_list_readers(ykpiv_state *state, char *readers, size_t *len) {
}
return YKPIV_PCSC_ERROR;
}
}
rc = SCardListReaders(state->context, NULL, NULL, &num_readers);
if (rc != SCARD_S_SUCCESS) {