Mercurial > hg > rlgwebd
diff rlgwebd.js @ 157:e7f809f06c5c
Use posix.getpwnam() to look up UID/GID to drop to.
This is more reliable than hardcoding the numbers.
author | John "Elwin" Edwards |
---|---|
date | Mon, 12 May 2014 08:59:47 -0700 |
parents | 127f9e256d02 |
children | 9961a538c00e |
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--- a/rlgwebd.js Tue Apr 01 16:43:35 2014 -0700 +++ b/rlgwebd.js Mon May 12 08:59:47 2014 -0700 @@ -17,8 +17,7 @@ var ctlsocket = "/var/local/rlgwebd/ctl"; var httpPort = 8080; var chrootDir = "/var/dgl/"; -var dropToUID = 501; -var dropToGID = 501; +var dropToUser = "rodney"; var serveStaticRoot = "/var/www/"; // inside the chroot var playtimeout = 3600000; // Idle time before games are autosaved, in ms @@ -505,7 +504,7 @@ function checksaved(user, game, callback, args) { var savedirc = game.uname + "save"; - var basename = String(dropToUID) + "-" + user + game.suffix; + var basename = String(pwent.uid) + "-" + user + game.suffix; var savefile = path.join("/var/games/roguelike", savedirc, basename); fs.exists(savefile, function (exist) { args.unshift(exist); @@ -1440,6 +1439,15 @@ var wsServer; var progressWatcher; +var pwent; +try { + pwent = posix.getpwnam(dropToUser); +} +catch (err) { + tslog("Could not drop to user %s: user does not exist", dropToUser); + process.exit(1); +} + /* This could be nonblocking, but nothing else can start yet anyway. */ if (fs.existsSync(ctlsocket)) { fs.unlinkSync(ctlsocket); @@ -1462,8 +1470,8 @@ } try { // drop gid first, that requires UID=0 - process.setgid(dropToGID); - process.setuid(dropToUID); + process.setgid(pwent.gid); + process.setuid(pwent.uid); } catch (err) { tslog("Could not drop permissions: %s", err);