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package systemd
import (
"os"
"strconv"
"strings"
)
// SocketActivated determine if podman is running under the socket activation protocol
func SocketActivated() bool {
pid, pid_found := os.LookupEnv("LISTEN_PID")
fds, fds_found := os.LookupEnv("LISTEN_FDS")
fdnames, fdnames_found := os.LookupEnv("LISTEN_FDNAMES")
if !(pid_found && fds_found && fdnames_found) {
return false
}
p, err := strconv.Atoi(pid)
if err != nil || p != os.Getpid() {
return false
}
nfds, err := strconv.Atoi(fds)
if err != nil || nfds < 1 {
return false
}
// First available file descriptor is always 3.
if nfds > 1 {
names := strings.Split(fdnames, ":")
for _, n := range names {
if strings.Contains(n, "podman") {
return true
}
}
}
return true
}
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