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eapol: Add default eapol tx path function

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This commit is contained in:
Denis Kenzior 2015-03-20 12:30:56 -05:00
parent 2598a1efed
commit 35e3de9cdf
1 changed files with 32 additions and 0 deletions
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32
src/eapol.c
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@ -893,10 +893,42 @@ struct l_io *eapol_open_pae(uint32_t index)
return io;
}
/*
* Default implementation of the frame transmission function.
* This function expects an fd to be passed as user_data
*/
static int eapol_write(uint32_t ifindex, const uint8_t *aa, const uint8_t *spa,
const struct eapol_key *ek, void *user_data)
{
int fd = L_PTR_TO_INT(user_data);
size_t frame_size;
struct sockaddr_ll sll;
ssize_t r;
memset(&sll, 0, sizeof(sll));
sll.sll_family = AF_PACKET;
sll.sll_ifindex = ifindex;
sll.sll_protocol = htons(ETH_P_PAE);
sll.sll_halen = ETH_ALEN;
memcpy(sll.sll_addr, aa, ETH_ALEN);
frame_size = sizeof(struct eapol_key) + L_BE16_TO_CPU(ek->key_data_len);
r = sendto(fd, ek, frame_size, 0,
(struct sockaddr *) &sll, sizeof(sll));
if (r < 0) {
l_error("EAPoL write socket: %s", strerror(errno));
return -errno;
}
return 0;
}
bool eapol_init()
{
state_machines = l_queue_new();
protocol_version = EAPOL_PROTOCOL_VERSION_2004;
tx_packet = eapol_write;
return true;
}