2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2021 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 // Call NNCP TCP daemon.
29 "go.cypherpunks.ru/nncp/v5"
33 fmt.Fprintf(os.Stderr, nncp.UsageHeader())
34 fmt.Fprintf(os.Stderr, "nncp-call -- call TCP daemon\n\n")
35 fmt.Fprintf(os.Stderr, "Usage: %s [options] NODE[:ADDR] [FORCEADDR]\n", os.Args[0])
36 fmt.Fprintln(os.Stderr, "Options:")
42 cfgPath = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
43 niceRaw = flag.String("nice", nncp.NicenessFmt(255), "Minimal required niceness")
44 rxOnly = flag.Bool("rx", false, "Only receive packets")
45 txOnly = flag.Bool("tx", false, "Only transmit packets")
46 listOnly = flag.Bool("list", false, "Only list remote packets")
47 noCK = flag.Bool("nock", false, "Do no checksum checking")
48 onlyPktsRaw = flag.String("pkts", "", "Recieve only that packets, comma separated")
49 rxRate = flag.Int("rxrate", 0, "Maximal receive rate, pkts/sec")
50 txRate = flag.Int("txrate", 0, "Maximal transmit rate, pkts/sec")
51 spoolPath = flag.String("spool", "", "Override path to spool")
52 logPath = flag.String("log", "", "Override path to logfile")
53 quiet = flag.Bool("quiet", false, "Print only errors")
54 showPrgrs = flag.Bool("progress", false, "Force progress showing")
55 omitPrgrs = flag.Bool("noprogress", false, "Omit progress showing")
56 debug = flag.Bool("debug", false, "Print debug messages")
57 version = flag.Bool("version", false, "Print version information")
58 warranty = flag.Bool("warranty", false, "Print warranty information")
60 onlineDeadlineSec = flag.Uint("onlinedeadline", 0, "Override onlinedeadline option")
61 maxOnlineTimeSec = flag.Uint("maxonlinetime", 0, "Override maxonlinetime option")
63 autoToss = flag.Bool("autotoss", false, "Toss after call is finished")
64 autoTossDoSeen = flag.Bool("autotoss-seen", false, "Create .seen files during tossing")
65 autoTossNoFile = flag.Bool("autotoss-nofile", false, "Do not process \"file\" packets during tossing")
66 autoTossNoFreq = flag.Bool("autotoss-nofreq", false, "Do not process \"freq\" packets during tossing")
67 autoTossNoExec = flag.Bool("autotoss-noexec", false, "Do not process \"exec\" packets during tossing")
68 autoTossNoTrns = flag.Bool("autotoss-notrns", false, "Do not process \"trns\" packets during tossing")
73 fmt.Println(nncp.Warranty)
77 fmt.Println(nncp.VersionGet())
84 nice, err := nncp.NicenessParse(*niceRaw)
88 if *rxOnly && *txOnly {
89 log.Fatalln("-rx and -tx can not be set simultaneously")
92 ctx, err := nncp.CtxFromCmdline(
102 log.Fatalln("Error during initialization:", err)
105 log.Fatalln("Config lacks private keys")
108 splitted := strings.SplitN(flag.Arg(0), ":", 2)
109 node, err := ctx.FindNode(splitted[0])
111 log.Fatalln("Invalid NODE specified:", err)
113 if node.NoisePub == nil {
114 log.Fatalln("Node does not have online communication capability")
117 onlineDeadline := node.OnlineDeadline
118 if *onlineDeadlineSec != 0 {
119 onlineDeadline = time.Duration(*onlineDeadlineSec) * time.Second
121 maxOnlineTime := node.MaxOnlineTime
122 if *maxOnlineTimeSec != 0 {
123 maxOnlineTime = time.Duration(*maxOnlineTimeSec) * time.Second
126 var xxOnly nncp.TRxTx
134 if flag.NArg() == 2 {
135 addrs = append(addrs, flag.Arg(1))
136 } else if len(splitted) == 2 {
137 addr, known := ctx.Neigh[*node.Id].Addrs[splitted[1]]
139 log.Fatalln("Unknown ADDR specified")
141 addrs = append(addrs, addr)
143 for _, addr := range ctx.Neigh[*node.Id].Addrs {
144 addrs = append(addrs, addr)
148 var onlyPkts map[[32]byte]bool
149 if len(*onlyPktsRaw) > 0 {
150 splitted = strings.Split(*onlyPktsRaw, ",")
151 onlyPkts = make(map[[32]byte]bool, len(splitted))
152 for _, pktIdRaw := range splitted {
153 pktId, err := nncp.Base32Codec.DecodeString(pktIdRaw)
155 log.Fatalln("Invalid packet specified: ", err)
157 pktIdArr := new([32]byte)
158 copy(pktIdArr[:], pktId)
159 onlyPkts[*pktIdArr] = true
165 var autoTossFinish chan struct{}
166 var autoTossBadCode chan bool
168 autoTossFinish, autoTossBadCode = ctx.AutoToss(
179 badCode := !ctx.CallNode(
194 close(autoTossFinish)
195 badCode = (<-autoTossBadCode) || badCode