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 // Wrap existing encrypted packet to transition ones.
28 "go.cypherpunks.ru/nncp/v8"
32 fmt.Fprint(os.Stderr, "nncp-trns -- transit existing encrypted packet\n\n")
33 fmt.Fprintf(os.Stderr, "Usage: %s [options] -via NODEx[,...] NODE:PKT\n", os.Args[0])
34 fmt.Fprintf(os.Stderr, " (to transit SPOOL/NODE/tx/PKT)\n")
35 fmt.Fprintf(os.Stderr, " %s [options] -via NODEx[,...] /path/to/PKT\nOptions:\n",
42 cfgPath = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
43 niceRaw = flag.String("nice", nncp.NicenessFmt(nncp.DefaultNiceFile),
44 "Outbound packet niceness")
45 viaOverride = flag.String("via", "", "Override Via path to destination node")
46 spoolPath = flag.String("spool", "", "Override path to spool")
47 logPath = flag.String("log", "", "Override path to logfile")
48 quiet = flag.Bool("quiet", false, "Print only errors")
49 showPrgrs = flag.Bool("progress", false, "Force progress showing")
50 omitPrgrs = flag.Bool("noprogress", false, "Omit progress showing")
51 debug = flag.Bool("debug", false, "Print debug messages")
52 version = flag.Bool("version", false, "Print version information")
53 warranty = flag.Bool("warranty", false, "Print warranty information")
55 log.SetFlags(log.Lshortfile)
59 fmt.Println(nncp.Warranty)
63 fmt.Println(nncp.VersionGet())
70 nice, err := nncp.NicenessParse(*niceRaw)
75 ctx, err := nncp.CtxFromCmdline(
85 log.Fatalln("Error during initialization:", err)
88 log.Fatalln("Config lacks private keys")
94 if _, err = os.Stat(flag.Arg(0)); err == nil {
96 pktName = filepath.Base(pktPath)
98 splitted := strings.Split(flag.Arg(0), ":")
99 if len(splitted) != 2 {
100 log.Fatalln("Invalid NODE:PKT specification")
102 node, err := ctx.FindNode(splitted[0])
104 log.Fatalln("Invalid NODE specified:", err)
106 pktPath = filepath.Join(
107 ctx.Spool, node.Id.String(), string(nncp.TTx), splitted[1],
109 pktName = filepath.Base(splitted[1])
112 fd, err := os.Open(pktPath)
120 pktEnc, _, err := ctx.HdrRead(fd)
124 if _, err = fd.Seek(0, io.SeekStart); err != nil {
128 node := ctx.Neigh[*pktEnc.Recipient]
129 nncp.ViaOverride(*viaOverride, ctx, node)
130 via := node.Via[:len(node.Via)-1]
131 node = ctx.Neigh[*node.Via[len(node.Via)-1]]
134 pktTrns, err := nncp.NewPkt(nncp.PktTypeTrns, 0, pktEnc.Recipient[:])
138 if _, _, _, err = ctx.Tx(
142 fi.Size(), 0, nncp.MaxFileSize,