2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2023 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.
31 "go.cypherpunks.ru/nncp/v8"
35 fmt.Fprint(os.Stderr, nncp.UsageHeader())
36 fmt.Fprint(os.Stderr, "nncp-call -- call TCP daemon\n\n")
37 fmt.Fprintf(os.Stderr, "Usage: %s [options] NODE[:ADDR] [FORCEADDR]\n", os.Args[0])
38 fmt.Fprintln(os.Stderr, "Options:")
44 cfgPath = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
45 ucspi = flag.Bool("ucspi", false, "Is it started as UCSPI-TCP client")
46 niceRaw = flag.String("nice", nncp.NicenessFmt(255), "Minimal required niceness")
47 rxOnly = flag.Bool("rx", false, "Only receive packets")
48 txOnly = flag.Bool("tx", false, "Only transmit packets")
49 listOnly = flag.Bool("list", false, "Only list remote packets")
50 noCK = flag.Bool("nock", false, "Do no checksum checking")
51 onlyPktsRaw = flag.String("pkts", "", "Recieve only that packets, comma separated")
52 mcdWait = flag.Uint("mcd-wait", 0, "Wait for MCD for specified number of seconds")
53 rxRate = flag.Int("rxrate", 0, "Maximal receive rate, pkts/sec")
54 txRate = flag.Int("txrate", 0, "Maximal transmit rate, pkts/sec")
55 spoolPath = flag.String("spool", "", "Override path to spool")
56 logPath = flag.String("log", "", "Override path to logfile")
57 quiet = flag.Bool("quiet", false, "Print only errors")
58 showPrgrs = flag.Bool("progress", false, "Force progress showing")
59 omitPrgrs = flag.Bool("noprogress", false, "Omit progress showing")
60 debug = flag.Bool("debug", false, "Print debug messages")
61 version = flag.Bool("version", false, "Print version information")
62 warranty = flag.Bool("warranty", false, "Print warranty information")
64 onlineDeadlineSec = flag.Uint("onlinedeadline", 0, "Override onlinedeadline option")
65 maxOnlineTimeSec = flag.Uint("maxonlinetime", 0, "Override maxonlinetime option")
67 autoToss = flag.Bool("autotoss", false, "Toss after call is finished")
68 autoTossDoSeen = flag.Bool("autotoss-seen", false, "Create seen/ files during tossing")
69 autoTossNoFile = flag.Bool("autotoss-nofile", false, "Do not process \"file\" packets during tossing")
70 autoTossNoFreq = flag.Bool("autotoss-nofreq", false, "Do not process \"freq\" packets during tossing")
71 autoTossNoExec = flag.Bool("autotoss-noexec", false, "Do not process \"exec\" packets during tossing")
72 autoTossNoTrns = flag.Bool("autotoss-notrns", false, "Do not process \"trns\" packets during tossing")
73 autoTossNoArea = flag.Bool("autotoss-noarea", false, "Do not process \"area\" packets during tossing")
74 autoTossNoACK = flag.Bool("autotoss-noack", false, "Do not process \"ack\" packets during tossing")
76 log.SetFlags(log.Lshortfile)
80 fmt.Println(nncp.Warranty)
84 fmt.Println(nncp.VersionGet())
91 nice, err := nncp.NicenessParse(*niceRaw)
95 if *rxOnly && *txOnly {
96 log.Fatalln("-rx and -tx can not be set simultaneously")
99 ctx, err := nncp.CtxFromCmdline(
109 log.Fatalln("Error during initialization:", err)
112 log.Fatalln("Config lacks private keys")
115 splitted := strings.SplitN(flag.Arg(0), ":", 2)
116 node, err := ctx.FindNode(splitted[0])
118 log.Fatalln("Invalid NODE specified:", err)
120 if node.NoisePub == nil {
121 log.Fatalln("Node does not have online communication capability")
124 onlineDeadline := node.OnlineDeadline
125 if *onlineDeadlineSec != 0 {
126 onlineDeadline = time.Duration(*onlineDeadlineSec) * time.Second
128 maxOnlineTime := node.MaxOnlineTime
129 if *maxOnlineTimeSec != 0 {
130 maxOnlineTime = time.Duration(*maxOnlineTimeSec) * time.Second
133 var xxOnly nncp.TRxTx
142 addrs = append(addrs, nncp.UCSPITCPClient)
143 } else if flag.NArg() == 2 {
144 addrs = append(addrs, flag.Arg(1))
145 } else if len(splitted) == 2 {
146 addr, known := ctx.Neigh[*node.Id].Addrs[splitted[1]]
148 log.Fatalln("Unknown ADDR specified")
150 addrs = append(addrs, addr)
152 for _, addr := range ctx.Neigh[*node.Id].Addrs {
153 addrs = append(addrs, addr)
158 ifis, err := net.Interfaces()
160 log.Fatalln("Can not get network interfaces list:", err)
162 for _, ifiReString := range ctx.MCDRxIfis {
163 ifiRe, err := regexp.CompilePOSIX(ifiReString)
165 log.Fatalf("Can not compile POSIX regexp \"%s\": %s", ifiReString, err)
167 for _, ifi := range ifis {
168 if ifiRe.MatchString(ifi.Name) {
169 if err = ctx.MCDRx(ifi.Name); err != nil {
170 log.Printf("Can not run MCD reception on %s: %s", ifi.Name, err)
176 for i := int(*mcdWait); i > 0; i-- {
177 nncp.MCDAddrsM.RLock()
178 for _, mcdAddr := range nncp.MCDAddrs[*node.Id] {
179 addrs = append(addrs, mcdAddr.Addr.String())
184 nncp.MCDAddrsM.RUnlock()
185 time.Sleep(time.Second)
188 log.Fatalf("No MCD packets from the node during %d seconds", *mcdWait)
192 var onlyPkts map[[32]byte]bool
193 if len(*onlyPktsRaw) > 0 {
194 splitted = strings.Split(*onlyPktsRaw, ",")
195 onlyPkts = make(map[[32]byte]bool, len(splitted))
196 for _, pktIdRaw := range splitted {
197 pktId, err := nncp.Base32Codec.DecodeString(pktIdRaw)
199 log.Fatalln("Invalid packet specified: ", err)
201 pktIdArr := new([32]byte)
202 copy(pktIdArr[:], pktId)
203 onlyPkts[*pktIdArr] = true
209 var autoTossFinish chan struct{}
210 var autoTossBadCode chan bool
212 autoTossFinish, autoTossBadCode = ctx.AutoToss(
225 badCode := !ctx.CallNode(
240 close(autoTossFinish)
241 badCode = (<-autoTossBadCode) || badCode
243 nncp.SPCheckerWg.Wait()