static void
roaming_auth_required(void)
{
u_char digest[SSH_DIGEST_MAX_LENGTH];
Buffer b;
u_int64_t chall, oldchall;
chall = packet_get_int64();
oldchall = packet_get_int64();
if (oldchall != lastseenchall) {
key1 = oldkey1;
key2 = oldkey2;
}
lastseenchall = chall;
buffer_init(&b);
buffer_put_int64(&b, cookie);
buffer_put_int64(&b, chall);
if (ssh_digest_buffer(SSH_DIGEST_SHA1, &b, digest, sizeof(digest)) != 0)
fatal("%s: ssh_digest_buffer failed", __func__);
buffer_free(&b);
packet_start(SSH2_MSG_KEX_ROAMING_AUTH);
packet_put_int64(key1 ^ get_recv_bytes());
packet_put_raw(digest, ssh_digest_bytes(SSH_DIGEST_SHA1));
packet_send();
oldkey1 = key1;
oldkey2 = key2;
calculate_new_key(&key1, cookie, chall);
calculate_new_key(&key2, cookie, chall);
debug("Received %llu bytes", (unsigned long long)get_recv_bytes());
debug("Sent roaming_auth packet");
}
int SrsKbps::get_recv_kbps()
{
int64_t duration = srs_get_system_time_ms() - os.starttime;
if (duration <= 0) {
return 0;
}
int64_t bytes = get_recv_bytes();
return (int)(bytes * 8 / duration);
}
static void
roaming_auth_required(void)
{
u_char digest[SHA_DIGEST_LENGTH];
EVP_MD_CTX md;
Buffer b;
const EVP_MD *evp_md = EVP_sha1();
u_int64_t chall, oldchall;
chall = packet_get_int64();
oldchall = packet_get_int64();
if (oldchall != lastseenchall) {
key1 = oldkey1;
key2 = oldkey2;
}
lastseenchall = chall;
buffer_init(&b);
buffer_put_int64(&b, cookie);
buffer_put_int64(&b, chall);
EVP_DigestInit(&md, evp_md);
EVP_DigestUpdate(&md, buffer_ptr(&b), buffer_len(&b));
EVP_DigestFinal(&md, digest, NULL);
buffer_free(&b);
packet_start(SSH2_MSG_KEX_ROAMING_AUTH);
packet_put_int64(key1 ^ get_recv_bytes());
packet_put_raw(digest, sizeof(digest));
packet_send();
oldkey1 = key1;
oldkey2 = key2;
calculate_new_key(&key1, cookie, chall);
calculate_new_key(&key2, cookie, chall);
#ifdef WIN32_FIXME
debug("Received %I64u bytes", (unsigned long long)get_recv_bytes());
#else
debug("Received %llu bytes", (unsigned long long)get_recv_bytes());
#endif
debug("Sent roaming_auth packet");
}
void
mm_send_keystate(struct monitor *monitor)
{
Buffer m, *input, *output;
u_char *blob, *p;
u_int bloblen, plen;
u_int32_t seqnr, packets;
u_int64_t blocks, bytes;
buffer_init(&m);
if (!compat20) {
u_char iv[24];
u_char *key;
u_int ivlen, keylen;
buffer_put_int(&m, packet_get_protocol_flags());
buffer_put_int(&m, packet_get_ssh1_cipher());
debug3("%s: Sending ssh1 KEY+IV", __func__);
keylen = packet_get_encryption_key(NULL);
key = xmalloc(keylen+1); /* add 1 if keylen == 0 */
keylen = packet_get_encryption_key(key);
buffer_put_string(&m, key, keylen);
memset(key, 0, keylen);
xfree(key);
ivlen = packet_get_keyiv_len(MODE_OUT);
packet_get_keyiv(MODE_OUT, iv, ivlen);
buffer_put_string(&m, iv, ivlen);
ivlen = packet_get_keyiv_len(MODE_OUT);
packet_get_keyiv(MODE_IN, iv, ivlen);
buffer_put_string(&m, iv, ivlen);
goto skip;
} else {
/* Kex for rekeying */
mm_send_kex(&m, *monitor->m_pkex);
}
debug3("%s: Sending new keys: %p %p",
__func__, packet_get_newkeys(MODE_OUT),
packet_get_newkeys(MODE_IN));
/* Keys from Kex */
if (!mm_newkeys_to_blob(MODE_OUT, &blob, &bloblen))
fatal("%s: conversion of newkeys failed", __func__);
buffer_put_string(&m, blob, bloblen);
xfree(blob);
if (!mm_newkeys_to_blob(MODE_IN, &blob, &bloblen))
fatal("%s: conversion of newkeys failed", __func__);
buffer_put_string(&m, blob, bloblen);
xfree(blob);
packet_get_state(MODE_OUT, &seqnr, &blocks, &packets, &bytes);
buffer_put_int(&m, seqnr);
buffer_put_int64(&m, blocks);
buffer_put_int(&m, packets);
buffer_put_int64(&m, bytes);
packet_get_state(MODE_IN, &seqnr, &blocks, &packets, &bytes);
buffer_put_int(&m, seqnr);
buffer_put_int64(&m, blocks);
buffer_put_int(&m, packets);
buffer_put_int64(&m, bytes);
debug3("%s: New keys have been sent", __func__);
skip:
/* More key context */
plen = packet_get_keycontext(MODE_OUT, NULL);
p = xmalloc(plen+1);
packet_get_keycontext(MODE_OUT, p);
buffer_put_string(&m, p, plen);
xfree(p);
plen = packet_get_keycontext(MODE_IN, NULL);
p = xmalloc(plen+1);
packet_get_keycontext(MODE_IN, p);
buffer_put_string(&m, p, plen);
xfree(p);
/* Compression state */
debug3("%s: Sending compression state", __func__);
buffer_put_string(&m, &outgoing_stream, sizeof(outgoing_stream));
buffer_put_string(&m, &incoming_stream, sizeof(incoming_stream));
/* Network I/O buffers */
input = (Buffer *)packet_get_input();
output = (Buffer *)packet_get_output();
buffer_put_string(&m, buffer_ptr(input), buffer_len(input));
buffer_put_string(&m, buffer_ptr(output), buffer_len(output));
/* Roaming */
if (compat20) {
buffer_put_int64(&m, get_sent_bytes());
buffer_put_int64(&m, get_recv_bytes());
}
mm_request_send(monitor->m_recvfd, MONITOR_REQ_KEYEXPORT, &m);
debug3("%s: Finished sending state", __func__);
buffer_free(&m);
}