1 // NNCP -- Node to Node copy, utilities for store-and-forward data exchange
2 // Copyright (C) 2016-2024 Sergey Matveev <stargrave@stargrave.org>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, version 3 of the License.
8 // This program is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program. If not, see <http://www.gnu.org/licenses/>.
16 // Call NNCP TCP daemon.
29 "go.cypherpunks.ru/nncp/v8"
33 fmt.Fprint(os.Stderr, "nncp-call -- call TCP daemon\n\n")
34 fmt.Fprintf(os.Stderr, "Usage: %s [options] NODE[:ADDR] [FORCEADDR]\n", os.Args[0])
35 fmt.Fprintln(os.Stderr, "Options:")
41 cfgPath = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
42 ucspi = flag.Bool("ucspi", false, "Is it started as UCSPI-TCP client")
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 mcdWait = flag.Uint("mcd-wait", 0, "Wait for MCD for specified number of seconds")
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,
62 "Override onlinedeadline option")
63 maxOnlineTimeSec = flag.Uint("maxonlinetime", 0,
64 "Override maxonlinetime option")
66 autoToss = flag.Bool("autotoss", false,
67 "Toss after call is finished")
68 autoTossDoSeen = flag.Bool("autotoss-seen", false,
69 "Create seen/ files during tossing")
70 autoTossNoFile = flag.Bool("autotoss-nofile", false,
71 "Do not process \"file\" packets during tossing")
72 autoTossNoFreq = flag.Bool("autotoss-nofreq", false,
73 "Do not process \"freq\" packets during tossing")
74 autoTossNoExec = flag.Bool("autotoss-noexec", false,
75 "Do not process \"exec\" packets during tossing")
76 autoTossNoTrns = flag.Bool("autotoss-notrns", false,
77 "Do not process \"trns\" packets during tossing")
78 autoTossNoArea = flag.Bool("autotoss-noarea", false,
79 "Do not process \"area\" packets during tossing")
80 autoTossNoACK = flag.Bool("autotoss-noack", false,
81 "Do not process \"ack\" packets during tossing")
82 autoTossGenACK = flag.Bool("autotoss-gen-ack", false,
83 "Generate ACK packets")
85 log.SetFlags(log.Lshortfile)
89 fmt.Println(nncp.Warranty)
93 fmt.Println(nncp.VersionGet())
100 nice, err := nncp.NicenessParse(*niceRaw)
104 if *rxOnly && *txOnly {
105 log.Fatalln("-rx and -tx can not be set simultaneously")
108 ctx, err := nncp.CtxFromCmdline(
118 log.Fatalln("Error during initialization:", err)
121 log.Fatalln("Config lacks private keys")
124 splitted := strings.SplitN(flag.Arg(0), ":", 2)
125 node, err := ctx.FindNode(splitted[0])
127 log.Fatalln("Invalid NODE specified:", err)
129 if node.NoisePub == nil {
130 log.Fatalln("Node does not have online communication capability")
133 onlineDeadline := node.OnlineDeadline
134 if *onlineDeadlineSec != 0 {
135 onlineDeadline = time.Duration(*onlineDeadlineSec) * time.Second
137 maxOnlineTime := node.MaxOnlineTime
138 if *maxOnlineTimeSec != 0 {
139 maxOnlineTime = time.Duration(*maxOnlineTimeSec) * time.Second
142 var xxOnly nncp.TRxTx
151 addrs = append(addrs, nncp.UCSPITCPClient)
152 } else if flag.NArg() == 2 {
153 addrs = append(addrs, flag.Arg(1))
154 } else if len(splitted) == 2 {
155 addr, known := ctx.Neigh[*node.Id].Addrs[splitted[1]]
157 log.Fatalln("Unknown ADDR specified")
159 addrs = append(addrs, addr)
161 for _, addr := range ctx.Neigh[*node.Id].Addrs {
162 addrs = append(addrs, addr)
167 ifis, err := net.Interfaces()
169 log.Fatalln("Can not get network interfaces list:", err)
171 for _, ifiReString := range ctx.MCDRxIfis {
172 ifiRe, err := regexp.CompilePOSIX(ifiReString)
174 log.Fatalf("Can not compile POSIX regexp \"%s\": %s", ifiReString, err)
176 for _, ifi := range ifis {
177 if ifiRe.MatchString(ifi.Name) {
178 if err = ctx.MCDRx(ifi.Name); err != nil {
179 log.Printf("Can not run MCD reception on %s: %s", ifi.Name, err)
185 for i := int(*mcdWait); i > 0; i-- {
186 nncp.MCDAddrsM.RLock()
187 for _, mcdAddr := range nncp.MCDAddrs[*node.Id] {
188 addrs = append(addrs, mcdAddr.Addr.String())
193 nncp.MCDAddrsM.RUnlock()
194 time.Sleep(time.Second)
197 log.Fatalf("No MCD packets from the node during %d seconds", *mcdWait)
201 var onlyPkts map[[32]byte]bool
202 if len(*onlyPktsRaw) > 0 {
203 splitted = strings.Split(*onlyPktsRaw, ",")
204 onlyPkts = make(map[[32]byte]bool, len(splitted))
205 for _, pktIdRaw := range splitted {
206 pktId, err := nncp.Base32Codec.DecodeString(pktIdRaw)
208 log.Fatalln("Invalid packet specified: ", err)
210 pktIdArr := new([32]byte)
211 copy(pktIdArr[:], pktId)
212 onlyPkts[*pktIdArr] = true
218 var autoTossFinish chan struct{}
219 var autoTossBadCode chan bool
221 autoTossFinish, autoTossBadCode = ctx.AutoToss(
225 DoSeen: *autoTossDoSeen,
226 NoFile: *autoTossNoFile,
227 NoFreq: *autoTossNoFreq,
228 NoExec: *autoTossNoExec,
229 NoTrns: *autoTossNoTrns,
230 NoArea: *autoTossNoArea,
231 NoACK: *autoTossNoACK,
232 GenACK: *autoTossGenACK,
237 badCode := !ctx.CallNode(
252 close(autoTossFinish)
253 badCode = (<-autoTossBadCode) || badCode
255 nncp.SPCheckerWg.Wait()