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[nncp.git] / src / cmd / nncp-check / main.go

diff --git a/src/cmd/nncp-check/main.go b/src/cmd/nncp-check/main.go
new file mode 100644 (file)
index 0000000..a920ad6
--- /dev/null
+++ b/src/cmd/nncp-check/main.go
@@ -0,0 +1,84 @@
+/*
+NNCP -- Node to Node copy, utilities for store-and-forward data exchange
+Copyright (C) 2016-2019 Sergey Matveev <stargrave@stargrave.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 3 of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+// Verify NNCP Rx/Tx packets checksum.
+package main
+
+import (
+       "flag"
+       "fmt"
+       "log"
+       "os"
+
+       "go.cypherpunks.ru/nncp/v4"
+)
+
+func usage() {
+       fmt.Fprintf(os.Stderr, nncp.UsageHeader())
+       fmt.Fprintf(os.Stderr, "nncp-check -- verify Rx/Tx packets checksum\n\n")
+       fmt.Fprintf(os.Stderr, "Usage: %s [options]\nOptions:\n", os.Args[0])
+       flag.PrintDefaults()
+}
+
+func main() {
+       var (
+               cfgPath   = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
+               nodeRaw   = flag.String("node", "", "Process only that node")
+               spoolPath = flag.String("spool", "", "Override path to spool")
+               logPath   = flag.String("log", "", "Override path to logfile")
+               quiet     = flag.Bool("quiet", false, "Print only errors")
+               debug     = flag.Bool("debug", false, "Print debug messages")
+               version   = flag.Bool("version", false, "Print version information")
+               warranty  = flag.Bool("warranty", false, "Print warranty information")
+       )
+       flag.Usage = usage
+       flag.Parse()
+       if *warranty {
+               fmt.Println(nncp.Warranty)
+               return
+       }
+       if *version {
+               fmt.Println(nncp.VersionGet())
+               return
+       }
+
+       ctx, err := nncp.CtxFromCmdline(*cfgPath, *spoolPath, *logPath, *quiet, *debug)
+       if err != nil {
+               log.Fatalln("Error during initialization:", err)
+       }
+
+       var nodeOnly *nncp.Node
+       if *nodeRaw != "" {
+               nodeOnly, err = ctx.FindNode(*nodeRaw)
+               if err != nil {
+                       log.Fatalln("Invalid -node specified:", err)
+               }
+       }
+
+       isBad := false
+       for nodeId, node := range ctx.Neigh {
+               if nodeOnly != nil && nodeId != *nodeOnly.Id {
+                       continue
+               }
+               if !ctx.Check(node.Id) {
+                       isBad = true
+               }
+       }
+       if isBad {
+               os.Exit(1)
+       }
+}