diff options
Diffstat (limited to 'src/rfid_layer2.c')
| -rw-r--r-- | src/rfid_layer2.c | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/src/rfid_layer2.c b/src/rfid_layer2.c index eef0560..7461d87 100644 --- a/src/rfid_layer2.c +++ b/src/rfid_layer2.c @@ -1,5 +1,5 @@ /* librfid - layer 2 protocol handler - * (C) 2005 by Harald Welte <laforge@gnumonks.org> + * (C) 2005-2006 by Harald Welte <laforge@gnumonks.org> */ /* @@ -92,18 +92,43 @@ int rfid_layer2_getopt(struct rfid_layer2_handle *ph, int optname, void *optval, unsigned int *optlen) { - if (!ph->l2->fn.getopt) - return -EINVAL; - - return ph->l2->fn.getopt(ph, optname, optval, optlen); + if (optname >> 16 == 0) { + unsigned char *optchar = optval; + + switch (optname) { + case RFID_OPT_LAYER2_UID: + if (ph->uid_len < *optlen) + *optlen = ph->uid_len; + memcpy(optchar, ph->uid, *optlen); + break; + default: + return -EINVAL; + break; + } + } else { + if (!ph->l2->fn.getopt) + return -EINVAL; + + return ph->l2->fn.getopt(ph, optname, optval, optlen); + } + return 0; } int rfid_layer2_setopt(struct rfid_layer2_handle *ph, int optname, const void *optval, unsigned int optlen) { - if (!ph->l2->fn.setopt) - return -EINVAL; - - return ph->l2->fn.setopt(ph, optname, optval, optlen); + if (optname >> 16 == 0) { + switch (optname) { + default: + return -EINVAL; + break; + } + } else { + if (!ph->l2->fn.setopt) + return -EINVAL; + + return ph->l2->fn.setopt(ph, optname, optval, optlen); + } + return 0; } |