VivoKey/vsmartcard
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check for NULL pointer

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This commit is contained in:
Frank Morgner
2013-02-09 23:43:12 +01:00
parent 8b3dd50784
commit 9340c66b75
1 changed files with 8 additions and 0 deletions
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8
npa/src/npa.c
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@@ -1660,6 +1660,10 @@ int perform_terminal_authentication(sc_card_t *card,
goto err; goto err;
} }
struct iso_sm_ctx *isosmctx = card->sm_ctx.info.cmd_data; struct iso_sm_ctx *isosmctx = card->sm_ctx.info.cmd_data;
if (!isosmctx->priv_data) {
r = SC_ERROR_INVALID_ARGUMENTS;
goto err;
}
struct npa_sm_ctx *eacsmctx = isosmctx->priv_data; struct npa_sm_ctx *eacsmctx = isosmctx->priv_data;
@@ -1881,6 +1885,10 @@ int perform_chip_authentication(sc_card_t *card)
goto err; goto err;
} }
struct iso_sm_ctx *isosmctx = card->sm_ctx.info.cmd_data; struct iso_sm_ctx *isosmctx = card->sm_ctx.info.cmd_data;
if (!isosmctx->priv_data) {
r = SC_ERROR_INVALID_ARGUMENTS;
goto err;
}
struct npa_sm_ctx *eacsmctx = isosmctx->priv_data; struct npa_sm_ctx *eacsmctx = isosmctx->priv_data;