giomba
/
opensc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fixed 333715 Dereference after null check

This commit is contained in:
Frank Morgner 2019-11-04 22:12:35 +01:00
parent 7007b4a889
commit 3a5a90450e
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/libopensc/pkcs15-pin.c
View File

@ -298,11 +298,15 @@ sc_pkcs15_verify_pin(struct sc_pkcs15_card *p15card, struct sc_pkcs15_object *pi
const unsigned char *pincode, size_t pinlen)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pkcs15_auth_info *auth_info = (struct sc_pkcs15_auth_info *)pin_obj->data;
struct sc_pkcs15_auth_info *auth_info;
int r;
LOG_FUNC_CALLED(ctx);
if (!pin_obj || !pin_obj->data)
LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_PIN_REFERENCE);
auth_info = (struct sc_pkcs15_auth_info *)pin_obj->data;
/*
* if pin cache is disabled, we can get here with no PIN data.
* in this case, to avoid error or unnecessary pin prompting on pinpad,