Beispiel #1
0
int32_t iguana_parser(struct iguana_info *coin,struct iguana_peer *addr,struct iguana_msghdr *H,uint8_t *data,int32_t datalen)
{
    int32_t height,i,retval,srvmsg,bloom,intvectors,len= -100; uint64_t nonce,x;
    uint32_t type,firsttxidind,firstvout,firstvin; bits256 hash2; double PoW;
    bloom = intvectors = srvmsg = -1;
    if ( addr != 0 )
    {
        addr->lastcontact = (uint32_t)time(NULL);
        strcpy(addr->lastcommand,H->command);
    }
    retval = 0;
    //printf("%s parse.(%s)\n",addr->ipaddr,H->command);
    if ( strcmp(H->command,"version") == 0 )
    {
        struct iguana_msgversion recvmv;
        if ( addr != 0 )
        {
            len = iguana_rwversion(0,data,&recvmv,addr->ipaddr);
            if ( len == datalen )
                iguana_gotversion(coin,addr,&recvmv);
            //printf("deser.(%s) len.%d datalen.%d\n",recvmv.H.command,len,datalen);
            addr->msgcounts.version++;
        }
    }
    else if ( strcmp(H->command,"verack") == 0 )
    {
        if ( addr != 0 )
        {
            iguana_gotverack(coin,addr);
            addr->msgcounts.verack++;
        }
        len = 0;
    }
    else if ( strcmp(H->command,"ping") == 0 )
    {
        if ( datalen == sizeof(uint64_t) && addr != 0 )
        {
            len = iguana_rwnum(0,data,sizeof(uint64_t),&nonce);
            if ( addr != 0 )
            {
                //printf("%u got nonce.%llx from %s\n",(uint32_t)time(NULL),(long long)nonce,addr->ipaddr);
                iguana_gotping(coin,addr,nonce,data);
                addr->msgcounts.ping++;
            }
        }
    }
    else if ( strcmp(H->command,"pong") == 0 )
    {
        len = 0;
        if ( datalen == sizeof(uint64_t) )
        {
            len = iguana_rwnum(0,data,sizeof(uint64_t),&nonce);
            iguana_gotpong(coin,addr,nonce);
        } else printf("unexpected pong datalen.%d\n",datalen);
        if ( len == datalen && addr != 0 )
            addr->msgcounts.pong++;
    }
    else if ( strcmp(H->command,"addr") == 0 )
    {
        struct iguana_msgaddress A;
        len = iguana_rwvarint(0,data,&x);
        for (i=0; i<x; i++)
        {
            memset(&A,0,sizeof(A));
            if ( addr != 0 )
                len += iguana_rwaddr(0,&data[len],&A,(int32_t)addr->protover);
            iguana_gotaddr(coin,addr,&A);
        }
        if ( len == datalen && addr != 0 )
        {
            addr->lastgotaddr = (uint32_t)time(NULL);
            addr->msgcounts.addr++;
        }
        //printf("%s -> addr datalen.%d num.%d\n",addr->ipaddr,datalen,(int32_t)x);
    }
    else if ( strcmp(H->command,"headers") == 0 )
    {
        struct iguana_msgblock msg; struct iguana_block *blocks; uint32_t n;
        len = iguana_rwvarint32(0,data,&n);
        if ( n <= IGUANA_MAXINV )
        {
            blocks = mycalloc('i',1,sizeof(*blocks) * n);
            height = -1;
            for (i=0; i<n; i++)
            {
                len += iguana_rwblock(0,&hash2,&data[len],&msg);
                if ( i == 0 )
                    height = iguana_setchainvars(coin,&firsttxidind,&firstvout,&firstvin,&PoW,hash2,msg.H.bits,msg.H.prev_block,msg.txn_count);
                iguana_convblock(&blocks[i],&msg,hash2,height,firsttxidind,firstvout,firstvin,PoW);
                if ( firsttxidind > 0 )
                {
                    height++;
                    firsttxidind += blocks[i].txn_count;
                    PoW += PoW_from_compact(blocks[i].bits,coin->chain->unitval);
                }
            }
            //printf("GOT HEADERS n.%d len.%d\n",n,len);
            iguana_gotheadersM(coin,addr,blocks,n);
            //myfree(blocks,sizeof(*blocks) * n);
            if ( len == datalen && addr != 0 )
                addr->msgcounts.headers++;
        } else printf("got unexpected n.%d for headers\n",n);
    }
    else if ( strcmp(H->command,"tx") == 0 )
    {
        struct iguana_msgtx *tx;
        tx = mycalloc('u',1,sizeof(*tx));
        len = iguana_rwtx(0,data,tx,datalen,&tx->txid,-1,coin->chain->hastimestamp);
        if ( len == datalen && addr != 0 )
        {
            iguana_gotunconfirmedM(coin,addr,tx,data,datalen);
            printf("tx datalen.%d\n",datalen);
            addr->msgcounts.tx++;
        }
    }
    else if ( strcmp(H->command,"block") == 0 )
    {
        struct iguana_block *block; struct iguana_msgtx *tx; uint8_t extra[256];
        block = mycalloc('b',1,sizeof(*block));
        memset(extra,0,sizeof(extra));
        tx = iguana_gentxarray(coin,&len,block,data,datalen,extra);
        if ( len == datalen )
        {
            if ( addr != 0 )
            {
                if ( len == datalen )
                    addr->msgcounts.block++;
                //addr->OV.reqrecv += datalen;
                //printf("%s gotblock.%d datalen.%d last.[%02x]\n",addr->ipaddr,block->height,datalen,data[len-1]);
            }
            iguana_gotblockM(coin,addr,block,tx,block->txn_count,data,datalen,extra);
        } else printf("parse error block txn_count.%d, len.%d vs datalen.%d\n",block->txn_count,len,datalen);
        //if ( tx != 0 )
        //    iguana_freetx(tx,block->txn_count);
        //myfree(block,sizeof(*block));
    }
    else if ( strcmp(H->command,"reject") == 0 )
    {
        for (i=0; i<datalen; i++)
            printf("%02x ",data[i]);
        printf("reject.(%s) datalen.%d\n",data+1,datalen);
        len = datalen;
        if ( len == datalen && addr != 0 )
            addr->msgcounts.reject++;
    }
    else if ( strcmp(H->command,"alert") == 0 )
    {
        for (i=0; i<datalen; i++)
            printf("%02x ",data[i]);
        printf("alert.(%s)\n",data+1);
        len = datalen;
        if ( len == datalen && addr != 0 )
            addr->msgcounts.alert++;
    }
    else if ( addr != 0 )
    {
        if ( strcmp(H->command,"inv") == 0 )
            intvectors = 'I', addr->msgcounts.inv++;
        else if ( strcmp(H->command,"notfound") == 0 ) // for servers
            intvectors = 'N', addr->msgcounts.notfound++;
        else if ( strcmp(H->command,"getdata") == 0 ) // for servers
            intvectors = srvmsg = 'D', addr->msgcounts.getdata++;
        else if ( strcmp(H->command,"getblocks") == 0 ) // for servers
            srvmsg = 'B', addr->msgcounts.getblocks++;
        else if ( strcmp(H->command,"getheaders") == 0 ) // for servers
            srvmsg = 'H', addr->msgcounts.getheaders++;
        else if ( strcmp(H->command,"getaddr") == 0 ) // for servers
            srvmsg = 'A', addr->msgcounts.getaddr++;
        else if ( strcmp(H->command,"mempool") == 0 ) // for servers
            srvmsg = 'M', addr->msgcounts.mempool++;
        else if ( strcmp(H->command,"filterload") == 0 ) // for bloom
            bloom = 'L', addr->msgcounts.filterload++;
        else if ( strcmp(H->command,"filteradd") == 0 ) // for bloom
            bloom = 'A', addr->msgcounts.filteradd++;
        else if ( strcmp(H->command,"filterclear") == 0 ) // for bloom
            bloom = 'C', addr->msgcounts.filterclear++;
        else if ( strcmp(H->command,"merkleblock") == 0 ) // for bloom
            bloom = 'M', addr->msgcounts.merkleblock++;
    }
    if ( bloom >= 0 || srvmsg >= 0 )
        len = datalen; // just mark as valid
    if ( intvectors >= 0 )
    {
        bits256 *txids=0,*blockhashes=0,hash; int32_t n,m;
        len = n = m = 0;
        len += iguana_rwvarint(0,&data[len],&x);
        for (i=0; i<x; i++)
        {
            len += iguana_rwnum(0,&data[len],sizeof(uint32_t),&type);
            len += iguana_rwbignum(0,&data[len],sizeof(bits256),hash.bytes);
            if ( type == MSG_TX )
            {
                if ( txids == 0 )
                    txids = mycalloc('t',(int32_t)x,sizeof(*txids));
                txids[m++] = hash;
                if ( (rand() % 1000) == 0 && i == x-1 )
                    printf("%s iv.%c %d of %d: tx.%llx len.%d\n",addr->ipaddr,intvectors,i,(int32_t)x,(long long)hash.txid,len);
            }
            else if ( type == MSG_BLOCK )
            {
                if ( blockhashes == 0 )
                    blockhashes = mycalloc('f',(int32_t)x,sizeof(*blockhashes));
                blockhashes[n++] = hash;
                //init_hexbytes_noT(hashstr,hash.bytes,sizeof(hash));
                //queue_enqueue("blocksQ",&coin->blocksQ,queueitem(hashstr),1);
                //if ( i == x-2 )
                //    queue_enqueue("hdrsQ",&coin->hdrsQ,queueitem(hashstr),1);
                //printf("iv.%d %d of %d: block.%llx len.%d %s\n",intvectors,i,(int32_t)x,(long long)hash.txid,len,bits256_str(hash));
            }
            else if ( type == MSG_FILTERED_BLOCK )
                printf("iv.%d %d of %d: merkle.%llx\n",intvectors,i,(int32_t)x,(long long)hash.txid);
            else printf("what type is %d\n",type);
        }
        if ( intvectors == 'I' )
        {
            if ( n > 0 )
            {
                if ( n != x )
                {
                    //printf("n.%d != x.%d -> realloc blockhashes\n",n,(int32_t)x);
                    blockhashes = myrealloc('f',blockhashes,(int32_t)(x*sizeof(*blockhashes)),n*sizeof(*blockhashes));
                } // else printf("n.%d == x.%d\n",n,(int32_t)x);
                iguana_gotblockhashesM(coin,addr,blockhashes,n), blockhashes = 0;
            }
            if ( m > 0 )
            {
                if ( m != x )
                    txids = myrealloc('t',txids,(int32_t)(x*sizeof(*txids)),m*sizeof(*txids));
                iguana_gottxidsM(coin,addr,txids,m), txids = 0;
            }
        }
        if ( txids != 0 )
            myfree(txids,sizeof(*txids) * x);
        if ( blockhashes != 0 )
            myfree(blockhashes,sizeof(*blockhashes) * x);
        //printf("intvectors.%c datalen.%d\n",intvectors,datalen);
    }
    if ( len != datalen && len != datalen-1 )
    {
        //printf("error.(%s) (%s): len.%d != datalen.%d\n",H->command,addr->ipaddr,len,datalen);
        //for (i=0; i<len; i++)
        //    printf("%02x",data[i]);
        if ( strcmp(H->command,"addr") != 0 )
            printf("%s.%s len mismatch %d != %d\n",addr!=0?addr->ipaddr:"local",H->command,len,datalen);
    }
    else if ( len == datalen-1 )
    {
        printf("extra byte.[%02x] command.%s len.%d datalen.%d\n",data[datalen-1],H->command,len,datalen);
        //retval = -1;
    }
    return(retval);
}
Beispiel #2
0
int32_t iguana_msgparser(struct iguana_info *coin,struct iguana_peer *addr,struct OS_memspace *rawmem,struct OS_memspace *txmem,struct OS_memspace *hashmem,struct iguana_msghdr *H,uint8_t *data,int32_t recvlen)
{
    uint8_t serialized[512]; char *retstr;
    int32_t i,retval,delay,srvmsg,bloom,intvectors,len= -100; uint64_t nonce,x; uint32_t type; bits256 hash2;
    bloom = intvectors = srvmsg = -1;
    if ( addr != 0 )
    {
        addr->lastcontact = (uint32_t)time(NULL);
        strcpy(addr->lastcommand,H->command);
    }
    retval = 0;
    //printf("iguana_msgparser %s parse.(%s)\n",addr->ipaddr,H->command);
    if ( strncmp(H->command,"SuperNET",strlen("SuperNET")) == 0 )
    {
        addr->supernet = 1;
        addr->msgcounts.verack++;
        len = recvlen;
        if ( (retstr= SuperNET_p2p(coin,addr,&delay,addr->ipaddr,data,recvlen,H->command[strlen("SuperNET")]=='b')) != 0 )
        {
            iguana_send_supernet(coin,addr,retstr,delay);
            free(retstr);
        }
        //printf("GOT.(%s) [%s] len.%d from %s -> (%s)\n",H->command,data,recvlen,addr->ipaddr,retstr==0?"null":retstr);
    }
    else if ( strcmp(H->command,"version") == 0 )
    {
        struct iguana_msgversion recvmv;
        if ( addr != 0 )
        {
            len = iguana_rwversion(0,data,&recvmv,addr->ipaddr,recvlen);
            if ( len <= recvlen )
                iguana_gotversion(coin,addr,&recvmv);
            //printf("deser.(%s) len.%d recvlen.%d\n",recvmv.H.command,len,recvlen);
            addr->msgcounts.version++;
        }
    }
    else if ( strcmp(H->command,"verack") == 0 )
    {
        if ( addr != 0 )
        {
            iguana_gotverack(coin,addr);
            addr->msgcounts.verack++;
        }
        len = 0;
    }
    else if ( strcmp(H->command,"ConnectTo") == 0 )
    {
        iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0);
        len = 6;
    }
    else if ( strcmp(H->command,"ping") == 0 )
    {
        if ( recvlen == sizeof(uint64_t) && addr != 0 )
        {
            len = iguana_rwnum(0,data,sizeof(uint64_t),&nonce);
            if ( addr != 0 )
            {
                //printf("%u got nonce.%llx from %s\n",(uint32_t)time(NULL),(long long)nonce,addr->ipaddr);
                iguana_gotping(coin,addr,nonce,data);
                addr->msgcounts.ping++;
            }
            iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0);
        }
    }
    else if ( strcmp(H->command,"pong") == 0 )
    {
        len = 0;
        if ( recvlen == sizeof(uint64_t) )
        {
            len = iguana_rwnum(0,data,sizeof(uint64_t),&nonce);
            iguana_gotpong(coin,addr,nonce);
        } else printf("unexpected pong recvlen.%d\n",recvlen);
        if ( len == recvlen && addr != 0 )
            addr->msgcounts.pong++;
        iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0);
    }
    else if ( strcmp(H->command,"addr") == 0 )
    {
        struct iguana_msgaddress A;
        len = iguana_rwvarint(0,data,&x);
        for (i=0; i<x; i++)
        {
            memset(&A,0,sizeof(A));
            if ( addr != 0 )
                len += iguana_rwaddr(0,&data[len],&A,(int32_t)addr->protover);
            iguana_gotaddr(coin,addr,&A);
        }
        if ( len == recvlen && addr != 0 )
        {
            addr->lastgotaddr = (uint32_t)time(NULL);
            addr->msgcounts.addr++;
        }
        //printf("%s -> addr recvlen.%d num.%d\n",addr->ipaddr,recvlen,(int32_t)x);
    }
    else if ( strcmp(H->command,"headers") == 0 )
    {
        struct iguana_msgblock msg; struct iguana_block *blocks; uint32_t n;
        len = iguana_rwvarint32(0,data,&n);
        if ( n <= IGUANA_MAXINV )
        {
            blocks = mycalloc('i',1,sizeof(*blocks) * n);
            for (i=0; i<n; i++)
            {
                len += iguana_rwblock(0,&hash2,&data[len],&msg);
                iguana_blockconv(&blocks[i],&msg,hash2,-1);
            }
            iguana_gotheadersM(coin,addr,blocks,n);
            //myfree(blocks,sizeof(*blocks) * n);
            if ( len == recvlen && addr != 0 )
                addr->msgcounts.headers++;
        } else printf("got unexpected n.%d for headers\n",n);
        //printf("GOT HEADERS n.%d len.%d\n",n,len);
    }
    else if ( strcmp(H->command,"tx") == 0 )
    {
        struct iguana_msgtx *tx;
        iguana_memreset(rawmem);
        tx = iguana_memalloc(rawmem,sizeof(*tx),1);//mycalloc('u',1,sizeof(*tx));
        len = iguana_rwtx(0,rawmem,data,tx,recvlen,&tx->txid,coin->chain->hastimestamp,strcmp(coin->symbol,"VPN")==0);
        iguana_gotunconfirmedM(coin,addr,tx,data,recvlen);
        printf("tx recvlen.%d vs len.%d\n",recvlen,len);
        addr->msgcounts.tx++;
    }
    else if ( strcmp(H->command,"block") == 0 )
    {
        struct iguana_txblock txdata;
        if ( addr != 0 )
            addr->msgcounts.block++;
        iguana_memreset(rawmem), iguana_memreset(txmem);//, iguana_memreset(hashmem);
        memset(&txdata,0,sizeof(txdata));
        if ( (len= iguana_gentxarray(coin,rawmem,&txdata,&len,data,recvlen)) == recvlen )
            iguana_gotblockM(coin,addr,&txdata,rawmem->ptr,H,data,recvlen);
        else printf("parse error block txn_count.%d, len.%d vs recvlen.%d\n",txdata.block.RO.txn_count,len,recvlen);
    }
    else if ( strcmp(H->command,"reject") == 0 )
    {
        for (i=0; i<recvlen; i++)
            printf("%02x ",data[i]);
        printf("reject.(%s) recvlen.%d\n",data+1,recvlen);
        len = recvlen;
        if ( len == recvlen && addr != 0 )
            addr->msgcounts.reject++;
    }
    else if ( strcmp(H->command,"alert") == 0 )
    {
        for (i=0; i<recvlen; i++)
            printf("%02x ",data[i]);
        printf("alert.(%s)\n",data+1);
        len = recvlen;
        if ( len == recvlen && addr != 0 )
            addr->msgcounts.alert++;
    }
    else if ( addr != 0 )
    {
        if ( strcmp(H->command,"inv") == 0 )
            intvectors = 'I', addr->msgcounts.inv++;
        else if ( strcmp(H->command,"notfound") == 0 ) // for servers
            intvectors = 'N', addr->msgcounts.notfound++;
        else if ( strcmp(H->command,"getdata") == 0 ) // for servers
        {
            intvectors = srvmsg = 'D', addr->msgcounts.getdata++;
        }
        else if ( strcmp(H->command,"getblocks") == 0 ) // for servers
        {
            srvmsg = 'B', addr->msgcounts.getblocks++;
        }
        else if ( strcmp(H->command,"getheaders") == 0 ) // for servers
        {
            srvmsg = 'H', addr->msgcounts.getheaders++;
        }
        else if ( strcmp(H->command,"getaddr") == 0 )
        {
            srvmsg = 'A', addr->msgcounts.getaddr++;
        }
        else if ( strcmp(H->command,"mempool") == 0 )
            srvmsg = 'M', addr->msgcounts.mempool++;
        else if ( strcmp(H->command,"filterload") == 0 ) // for bloom
            bloom = 'L', addr->msgcounts.filterload++;
        else if ( strcmp(H->command,"filteradd") == 0 ) // for bloom
            bloom = 'A', addr->msgcounts.filteradd++;
        else if ( strcmp(H->command,"filterclear") == 0 ) // for bloom
            bloom = 'C', addr->msgcounts.filterclear++;
        else if ( strcmp(H->command,"merkleblock") == 0 ) // for bloom
            bloom = 'M', addr->msgcounts.merkleblock++;
    }
    if ( bloom >= 0 || srvmsg >= 0 )
        len = recvlen; // just mark as valid
    if ( intvectors >= 0 )
    {
        bits256 *txids=0,*blockhashes=0,hash; int32_t n,m;
        len = n = m = 0;
        len += iguana_rwvarint(0,&data[len],&x);
        for (i=0; i<x; i++)
        {
            len += iguana_rwnum(0,&data[len],sizeof(uint32_t),&type);
            len += iguana_rwbignum(0,&data[len],sizeof(bits256),hash.bytes);
            if ( type == MSG_TX )
            {
                if ( txids == 0 )
                    txids = mycalloc('t',(int32_t)x+1,sizeof(*txids));
                txids[m++] = hash;
                if ( (rand() % 1000) == 0 && i == x-1 )
                    printf("%s iv.%c %d of %d: tx.%llx len.%d\n",addr->ipaddr,intvectors,i,(int32_t)x,(long long)hash.txid,len);
            }
            else if ( type == MSG_BLOCK )
            {
                if ( blockhashes == 0 )
                {
                    blockhashes = mycalloc('f',(int32_t)x+1,sizeof(*blockhashes));
                    n = 1;
                }
                blockhashes[n++] = hash;
            }
            else if ( type == MSG_FILTERED_BLOCK )
                printf("iv.%d %d of %d: merkle.%llx\n",intvectors,i,(int32_t)x,(long long)hash.txid);
            else printf("what type is %d\n",type);
        }
        if ( intvectors == 'I' )
        {
            if ( n > 0 )
            {
                if ( n != x+1 )
                {
                    printf("n.%d != x.%d -> realloc blockhashes\n",n,(int32_t)x+1);
                    blockhashes = myrealloc('f',blockhashes,(int32_t)((x+1)*sizeof(*blockhashes)),n*sizeof(*blockhashes));
                } // else printf("n.%d == x.%d\n",n,(int32_t)x);
                if ( 1 )
                    iguana_gotblockhashesM(coin,addr,blockhashes,n), blockhashes = 0;
                else iguana_send_hashes(coin,"getblocks",addr,blockhashes[0],&blockhashes[1],n);
            }
            if ( m > 0 )
            {
                if ( m != x )
                    txids = myrealloc('t',txids,(int32_t)((x+1)*sizeof(*txids)),(m+1)*sizeof(*txids));
                iguana_gottxidsM(coin,addr,txids,m), txids = 0;
            }
        }
        if ( txids != 0 )
            myfree(txids,sizeof(*txids) * (x+1));
        if ( blockhashes != 0 )
            myfree(blockhashes,sizeof(*blockhashes) * (x+1));
        //printf("intvectors.%c recvlen.%d\n",intvectors,recvlen);
    }
    if ( len != recvlen && len != recvlen-1 && len != recvlen-2 )
    {
        //printf("error.(%s) (%s): len.%d != recvlen.%d\n",H->command,addr->ipaddr,len,recvlen);
        //for (i=0; i<len; i++)
        //    printf("%02x",data[i]);
        if ( strcmp(H->command,"addr") != 0 )
            printf("%s.%s len mismatch %d != %d\n",addr!=0?addr->ipaddr:"local",H->command,len,recvlen);
    }
    else if ( len != recvlen )
    {
        printf("%s extra byte.[%02x] command.%s len.%d recvlen.%d\n",addr->ipaddr,data[recvlen-1],H->command,len,recvlen);
        //retval = -1;
    }
    return(retval);
}