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package handlers
import (
"context"
"fmt"
"os/exec"
"strings"
"github.com/mimecast/dtail/internal/io/logger"
"github.com/mimecast/dtail/internal/io/run"
)
type runCommand struct {
server *ServerHandler
run run.Run
}
func newRunCommand(server *ServerHandler) runCommand {
return runCommand{
server: server,
}
}
func (r runCommand) Start(ctx context.Context, argc int, args []string) {
if argc < 2 {
r.server.sendServerMessage(logger.Warn(r.server.user, commandParseWarning, args, argc))
return
}
commands := strings.Split(strings.Join(args[1:], " "), ";")
r.start(ctx, commands)
}
func (r runCommand) start(ctx context.Context, commands []string) {
for _, command := range commands {
command = strings.TrimSpace(command)
if len(command) == 0 {
continue
}
splitted := strings.Split(command, " ")
path := splitted[0]
args := splitted[1:]
qualifiedPath, err := exec.LookPath(path)
if err != nil {
logger.Error(r.server.user, err)
r.server.sendServerMessage(logger.Warn(r.server.user, "Unable to execute command(s), check server logs"))
r.server.sendServerMessage(fmt.Sprintf(".run exitstatus -%d", -1))
return
}
if !r.server.user.HasFilePermission(qualifiedPath, "runcommands") {
logger.Error(r.server.user, "No permission to execute path", qualifiedPath)
r.server.sendServerMessage(logger.Warn(r.server.user, "Unable to execute command(s), check server logs"))
r.server.sendServerMessage(fmt.Sprintf(".run exitstatus -%d", -1))
return
}
r.run = run.New(qualifiedPath, args)
pid, ec, err := r.run.Start(ctx, r.server.lines)
if err != nil {
message := fmt.Sprintf("Unable to execute remote command '%s'", command)
logger.Error(r.server.user, message, ec, pid, err)
r.server.sendServerMessage(logger.Error(message, ec, pid, err))
r.server.sendServerMessage(fmt.Sprintf(".run exitstatus -%d", ec))
return
}
message := fmt.Sprintf("Remote process '%d' exited with status '%d'", pid, ec)
r.server.sendServerMessage(fmt.Sprintf(".run exitstatus %d", ec))
r.server.sendServerMessage(logger.Info("run", pid, ec, message))
}
}
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