sarafu-vise/cmd/ssh/main.go
2025-01-20 10:28:42 +00:00

136 lines
3.4 KiB
Go

package main
import (
"context"
"flag"
"fmt"
"os"
"os/signal"
"path"
"sync"
"syscall"
"git.defalsify.org/vise.git/db"
"git.defalsify.org/vise.git/engine"
"git.defalsify.org/vise.git/logging"
"git.grassecon.net/grassrootseconomics/sarafu-vise/config"
"git.grassecon.net/grassrootseconomics/sarafu-vise/ssh"
"git.grassecon.net/grassrootseconomics/visedriver/storage"
)
var (
wg sync.WaitGroup
keyStore db.Db
logg = logging.NewVanilla()
scriptDir = path.Join("services", "registration")
build = "dev"
)
func main() {
config.LoadConfig()
var override config.Override
var authConnStr string
var size uint
var engineDebug bool
var stateDebug bool
var host string
var port uint
//flag.StringVar(&authConnStr, "authdb", "", "auth connection string")
flag.StringVar(override.DbConn, "c", "?", "default connection string (replaces all unspecified strings)")
flag.StringVar(override.ResourceConn, "resource", "?", "resource connection string")
flag.StringVar(override.UserConn, "userdata", "?", "userdata store connection string")
flag.StringVar(override.StateConn, "state", "?", "state store connection string")
flag.BoolVar(&engineDebug, "d", false, "use engine debug output")
flag.UintVar(&size, "s", 160, "max size of output")
flag.StringVar(&host, "h", config.HostSSH(), "socket host")
flag.UintVar(&port, "p", config.PortSSH(), "socket port")
flag.Parse()
config.Apply(&override)
conns, err := config.GetConns()
if err != nil {
fmt.Fprintf(os.Stderr, "conn specification error: %v\n", err)
os.Exit(1)
}
authConnData, err := storage.ToConnData(authConnStr)
if err != nil {
fmt.Fprintf(os.Stderr, "auth connstr err: %v", err)
os.Exit(1)
}
sshKeyFile := flag.Arg(0)
_, err = os.Stat(sshKeyFile)
if err != nil {
fmt.Fprintf(os.Stderr, "cannot open ssh server private key file: %v\n", err)
os.Exit(1)
}
ctx := context.Background()
logg.WarnCtxf(ctx, "!!!!! WARNING WARNING WARNING")
logg.WarnCtxf(ctx, "!!!!! =======================")
logg.WarnCtxf(ctx, "!!!!! This is not a production ready server!")
logg.WarnCtxf(ctx, "!!!!! Do not expose to internet and only use with tunnel!")
logg.WarnCtxf(ctx, "!!!!! (See ssh -L <...>)")
logg.Infof("start command", "conn", conns, "authconn", authConnData, "outputsize", size, "keyfile", sshKeyFile, "host", host, "port", port)
pfp := path.Join(scriptDir, "pp.csv")
cfg := engine.Config{
Root: "root",
OutputSize: uint32(size),
FlagCount: uint32(128),
}
if stateDebug {
cfg.StateDebug = true
}
if engineDebug {
cfg.EngineDebug = true
}
authKeyStore, err := ssh.NewSshKeyStore(ctx, authConnData.String())
if err != nil {
fmt.Fprintf(os.Stderr, "keystore file open error: %v", err)
os.Exit(1)
}
defer func() {
logg.TraceCtxf(ctx, "shutdown auth key store reached")
err = authKeyStore.Close(ctx)
if err != nil {
logg.ErrorCtxf(ctx, "keystore close error", "err", err)
}
}()
cint := make(chan os.Signal)
cterm := make(chan os.Signal)
signal.Notify(cint, os.Interrupt, syscall.SIGINT)
signal.Notify(cterm, os.Interrupt, syscall.SIGTERM)
runner := &ssh.SshRunner{
Cfg: cfg,
Debug: engineDebug,
FlagFile: pfp,
Conn: conns,
SrvKeyFile: sshKeyFile,
Host: host,
Port: port,
}
go func() {
select {
case _ = <-cint:
case _ = <-cterm:
}
logg.TraceCtxf(ctx, "shutdown runner reached")
err := runner.Stop()
if err != nil {
logg.ErrorCtxf(ctx, "runner stop error", "err", err)
}
}()
runner.Run(ctx, authKeyStore)
}