void dump_wireshark(char *c_hex, BIGNUM *mt)
{
// Now PCKS#1 v1.5 unpad the message
unsigned char bin[256] = {0};
BN_bn2bin(mt, bin + 256 - BN_num_bytes(mt));
MY_ASSERT(bin[0] == 0, "decrypted message is not properly padded");
MY_ASSERT(bin[1] == 2, "decrypted message is not properly padded");
int i = 2;
while(bin[i])
{
i++;
MY_ASSERT(i < 256, "decrypted message is not properly padded");
}
i++;
// We can now print the unpadded message
// (in Wireshark format)
printf("RSA ");
printf("%.16s ", c_hex);
print_hexbuf(&bin[i], 256-i);
printf("\n");
}
int upcall_parse(
IN unsigned char *buffer,
IN uint32_t length,
OUT nfs41_upcall *upcall)
{
int status;
const nfs41_upcall_op *op;
DWORD version;
ZeroMemory(upcall, sizeof(nfs41_upcall));
if (!length) {
eprintf("empty upcall\n");
upcall->status = status = 102;
goto out;
}
dprintf(2, "received %d bytes upcall data: processing upcall\n", length);
print_hexbuf(4, (unsigned char *)"upcall buffer: ", buffer, length);
/* parse common elements */
status = safe_read(&buffer, &length, &version, sizeof(uint32_t));
if (status) goto out;
status = safe_read(&buffer, &length, &upcall->xid, sizeof(uint64_t));
if (status) goto out;
status = safe_read(&buffer, &length, &upcall->opcode, sizeof(uint32_t));
if (status) goto out;
status = safe_read(&buffer, &length, &upcall->root_ref, sizeof(HANDLE));
if (status) goto out;
status = safe_read(&buffer, &length, &upcall->state_ref, sizeof(HANDLE));
if (status) goto out;
dprintf(2, "time=%ld version=%d xid=%d opcode=%s session=0x%x open_state=0x%x\n",
time(NULL), version, upcall->xid, opcode2string(upcall->opcode), upcall->root_ref,
upcall->state_ref);
if (version != NFS41D_VERSION) {
eprintf("received version %d expecting version %d\n", version, NFS41D_VERSION);
upcall->status = status = NFSD_VERSION_MISMATCH;
goto out;
}
if (upcall->opcode >= g_upcall_op_table_size) {
status = ERROR_NOT_SUPPORTED;
eprintf("unrecognized upcall opcode %d!\n", upcall->opcode);
goto out;
}
if (upcall->root_ref != INVALID_HANDLE_VALUE)
nfs41_root_ref(upcall->root_ref);
if (upcall->state_ref != INVALID_HANDLE_VALUE)
nfs41_open_state_ref(upcall->state_ref);
/* parse the operation's arguments */
op = g_upcall_op_table[upcall->opcode];
if (op && op->parse) {
status = op->parse(buffer, length, upcall);
if (status) {
eprintf("parsing of upcall '%s' failed with %d.\n",
opcode2string(upcall->opcode), status);
goto out;
}
}
out:
return status;
}
