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/v7"
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 ucspi = flag.Bool("ucspi", false, "Is it started as UCSPI-TCP client")
44 niceRaw = flag.String("nice", nncp.NicenessFmt(255), "Minimal required niceness")
45 rxOnly = flag.Bool("rx", false, "Only receive packets")
46 txOnly = flag.Bool("tx", false, "Only transmit packets")
47 listOnly = flag.Bool("list", false, "Only list remote packets")
48 noCK = flag.Bool("nock", false, "Do no checksum checking")
49 onlyPktsRaw = flag.String("pkts", "", "Recieve only that packets, comma separated")
50 rxRate = flag.Int("rxrate", 0, "Maximal receive rate, pkts/sec")
51 txRate = flag.Int("txrate", 0, "Maximal transmit rate, pkts/sec")
52 spoolPath = flag.String("spool", "", "Override path to spool")
53 logPath = flag.String("log", "", "Override path to logfile")
54 quiet = flag.Bool("quiet", false, "Print only errors")
55 showPrgrs = flag.Bool("progress", false, "Force progress showing")
56 omitPrgrs = flag.Bool("noprogress", false, "Omit progress showing")
57 debug = flag.Bool("debug", false, "Print debug messages")
58 version = flag.Bool("version", false, "Print version information")
59 warranty = flag.Bool("warranty", false, "Print warranty information")
61 onlineDeadlineSec = flag.Uint("onlinedeadline", 0, "Override onlinedeadline option")
62 maxOnlineTimeSec = flag.Uint("maxonlinetime", 0, "Override maxonlinetime option")
64 autoToss = flag.Bool("autotoss", false, "Toss after call is finished")
65 autoTossDoSeen = flag.Bool("autotoss-seen", false, "Create seen/ files during tossing")
66 autoTossNoFile = flag.Bool("autotoss-nofile", false, "Do not process \"file\" packets during tossing")
67 autoTossNoFreq = flag.Bool("autotoss-nofreq", false, "Do not process \"freq\" packets during tossing")
68 autoTossNoExec = flag.Bool("autotoss-noexec", false, "Do not process \"exec\" packets during tossing")
69 autoTossNoTrns = flag.Bool("autotoss-notrns", false, "Do not process \"trns\" packets during tossing")
70 autoTossNoArea = flag.Bool("autotoss-noarea", false, "Do not process \"area\" packets during tossing")
72 log.SetFlags(log.Lshortfile)
76 fmt.Println(nncp.Warranty)
80 fmt.Println(nncp.VersionGet())
87 nice, err := nncp.NicenessParse(*niceRaw)
91 if *rxOnly && *txOnly {
92 log.Fatalln("-rx and -tx can not be set simultaneously")
95 ctx, err := nncp.CtxFromCmdline(
105 log.Fatalln("Error during initialization:", err)
108 log.Fatalln("Config lacks private keys")
111 splitted := strings.SplitN(flag.Arg(0), ":", 2)
112 node, err := ctx.FindNode(splitted[0])
114 log.Fatalln("Invalid NODE specified:", err)
116 if node.NoisePub == nil {
117 log.Fatalln("Node does not have online communication capability")
120 onlineDeadline := node.OnlineDeadline
121 if *onlineDeadlineSec != 0 {
122 onlineDeadline = time.Duration(*onlineDeadlineSec) * time.Second
124 maxOnlineTime := node.MaxOnlineTime
125 if *maxOnlineTimeSec != 0 {
126 maxOnlineTime = time.Duration(*maxOnlineTimeSec) * time.Second
129 var xxOnly nncp.TRxTx
138 addrs = append(addrs, nncp.UCSPITCPClient)
139 } else if flag.NArg() == 2 {
140 addrs = append(addrs, flag.Arg(1))
141 } else if len(splitted) == 2 {
142 addr, known := ctx.Neigh[*node.Id].Addrs[splitted[1]]
144 log.Fatalln("Unknown ADDR specified")
146 addrs = append(addrs, addr)
148 for _, addr := range ctx.Neigh[*node.Id].Addrs {
149 addrs = append(addrs, addr)
153 var onlyPkts map[[32]byte]bool
154 if len(*onlyPktsRaw) > 0 {
155 splitted = strings.Split(*onlyPktsRaw, ",")
156 onlyPkts = make(map[[32]byte]bool, len(splitted))
157 for _, pktIdRaw := range splitted {
158 pktId, err := nncp.Base32Codec.DecodeString(pktIdRaw)
160 log.Fatalln("Invalid packet specified: ", err)
162 pktIdArr := new([32]byte)
163 copy(pktIdArr[:], pktId)
164 onlyPkts[*pktIdArr] = true
170 var autoTossFinish chan struct{}
171 var autoTossBadCode chan bool
173 autoTossFinish, autoTossBadCode = ctx.AutoToss(
185 badCode := !ctx.CallNode(
200 close(autoTossFinish)
201 badCode = (<-autoTossBadCode) || badCode
203 nncp.SPCheckerWg.Wait()