diff options
Diffstat (limited to 'scd/apdu.c')
| -rw-r--r-- | scd/apdu.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/scd/apdu.c b/scd/apdu.c index c130d89bc..ae910825f 100644 --- a/scd/apdu.c +++ b/scd/apdu.c @@ -3051,11 +3051,14 @@ apdu_enum_reader (int slot, int *used) /* Connect a card. This is used to power up the card and make sure - that an ATR is available. */ + that an ATR is available. Depending on the reader backend it may + return an error for an inactive card or if no card is + available. */ int apdu_connect (int slot) { int sw; + unsigned int status; if (slot < 0 || slot >= MAX_READER || !reader_table[slot].used ) return SW_HOST_NO_DRIVER; @@ -3080,7 +3083,15 @@ apdu_connect (int slot) scdaemon is fired up and apdu_get_status has not yet been called. Without that we would force a reset of the card with the next call to apdu_get_status. */ - apdu_get_status_internal (slot, 1, 1, NULL, NULL); + apdu_get_status_internal (slot, 1, 1, &status, NULL); + if (sw) + ; + else if (!(status & APDU_CARD_PRESENT)) + sw = SW_HOST_NO_CARD; + else if (((status & APDU_CARD_PRESENT) && !(status & APDU_CARD_ACTIVE)) + || !reader_table[slot].atrlen) + sw = SW_HOST_CARD_INACTIVE; + return sw; } |