2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2022 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.Fprintf(os.Stderr, nncp.UsageHeader())
36 fmt.Fprintf(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")
75 log.SetFlags(log.Lshortfile)
79 fmt.Println(nncp.Warranty)
83 fmt.Println(nncp.VersionGet())
90 nice, err := nncp.NicenessParse(*niceRaw)
94 if *rxOnly && *txOnly {
95 log.Fatalln("-rx and -tx can not be set simultaneously")
98 ctx, err := nncp.CtxFromCmdline(
108 log.Fatalln("Error during initialization:", err)
111 log.Fatalln("Config lacks private keys")
114 splitted := strings.SplitN(flag.Arg(0), ":", 2)
115 node, err := ctx.FindNode(splitted[0])
117 log.Fatalln("Invalid NODE specified:", err)
119 if node.NoisePub == nil {
120 log.Fatalln("Node does not have online communication capability")
123 onlineDeadline := node.OnlineDeadline
124 if *onlineDeadlineSec != 0 {
125 onlineDeadline = time.Duration(*onlineDeadlineSec) * time.Second
127 maxOnlineTime := node.MaxOnlineTime
128 if *maxOnlineTimeSec != 0 {
129 maxOnlineTime = time.Duration(*maxOnlineTimeSec) * time.Second
132 var xxOnly nncp.TRxTx
141 addrs = append(addrs, nncp.UCSPITCPClient)
142 } else if flag.NArg() == 2 {
143 addrs = append(addrs, flag.Arg(1))
144 } else if len(splitted) == 2 {
145 addr, known := ctx.Neigh[*node.Id].Addrs[splitted[1]]
147 log.Fatalln("Unknown ADDR specified")
149 addrs = append(addrs, addr)
151 for _, addr := range ctx.Neigh[*node.Id].Addrs {
152 addrs = append(addrs, addr)
157 ifis, err := net.Interfaces()
159 log.Fatalln("Can not get network interfaces list:", err)
161 for _, ifiReString := range ctx.MCDRxIfis {
162 ifiRe, err := regexp.CompilePOSIX(ifiReString)
164 log.Fatalf("Can not compile POSIX regexp \"%s\": %s", ifiReString, err)
166 for _, ifi := range ifis {
167 if ifiRe.MatchString(ifi.Name) {
168 if err = ctx.MCDRx(ifi.Name); err != nil {
169 log.Printf("Can not run MCD reception on %s: %s", ifi.Name, err)
175 for i := int(*mcdWait); i > 0; i-- {
176 nncp.MCDAddrsM.RLock()
177 for _, mcdAddr := range nncp.MCDAddrs[*node.Id] {
178 addrs = append(addrs, mcdAddr.Addr.String())
183 nncp.MCDAddrsM.RUnlock()
184 time.Sleep(time.Second)
187 log.Fatalf("No MCD packets from the node during %d seconds", *mcdWait)
191 var onlyPkts map[[32]byte]bool
192 if len(*onlyPktsRaw) > 0 {
193 splitted = strings.Split(*onlyPktsRaw, ",")
194 onlyPkts = make(map[[32]byte]bool, len(splitted))
195 for _, pktIdRaw := range splitted {
196 pktId, err := nncp.Base32Codec.DecodeString(pktIdRaw)
198 log.Fatalln("Invalid packet specified: ", err)
200 pktIdArr := new([32]byte)
201 copy(pktIdArr[:], pktId)
202 onlyPkts[*pktIdArr] = true
208 var autoTossFinish chan struct{}
209 var autoTossBadCode chan bool
211 autoTossFinish, autoTossBadCode = ctx.AutoToss(
223 badCode := !ctx.CallNode(
238 close(autoTossFinish)
239 badCode = (<-autoTossBadCode) || badCode
241 nncp.SPCheckerWg.Wait()