diff options
Diffstat (limited to '')
| -rw-r--r-- | g10/apdu.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/g10/apdu.c b/g10/apdu.c index a3aa1ba9f..228fdec61 100644 --- a/g10/apdu.c +++ b/g10/apdu.c @@ -92,6 +92,7 @@ struct reader_table_s { /* Function pointers intialized to the various backends. */ int (*close_reader)(int); + int (*shutdown_reader)(int); int (*reset_reader)(int); int (*get_status_reader)(int, unsigned int *); int (*send_apdu_reader)(int,unsigned char *,size_t, @@ -244,6 +245,7 @@ new_reader_slot (void) } #endif /*USE_GNU_PTH*/ reader_table[reader].close_reader = NULL; + reader_table[reader].shutdown_reader = NULL; reader_table[reader].reset_reader = NULL; reader_table[reader].get_status_reader = NULL; reader_table[reader].send_apdu_reader = NULL; @@ -1202,6 +1204,14 @@ close_ccid_reader (int slot) static int +shutdown_ccid_reader (int slot) +{ + ccid_shutdown_reader (reader_table[slot].ccid.handle); + return 0; +} + + +static int reset_ccid_reader (int slot) { int err; @@ -1300,6 +1310,7 @@ open_ccid_reader (const char *portstr) } reader_table[slot].close_reader = close_ccid_reader; + reader_table[slot].shutdown_reader = shutdown_ccid_reader; reader_table[slot].reset_reader = reset_ccid_reader; reader_table[slot].get_status_reader = get_status_ccid; reader_table[slot].send_apdu_reader = send_apdu_ccid; @@ -2051,6 +2062,19 @@ apdu_close_reader (int slot) return SW_HOST_NOT_SUPPORTED; } +/* Shutdown a reader; that is basically the same as a close but keeps + the handle ready for later use. A apdu_reset_header should be used + to get it active again. */ +int +apdu_shutdown_reader (int slot) +{ + if (slot < 0 || slot >= MAX_READER || !reader_table[slot].used ) + return SW_HOST_NO_DRIVER; + if (reader_table[slot].shutdown_reader) + return reader_table[slot].shutdown_reader (slot); + return SW_HOST_NOT_SUPPORTED; +} + /* Enumerate all readers and return information on whether this reader is in use. The caller should start with SLOT set to 0 and increment it with each call until an error is returned. */ |