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nix-daemon: Show name of connecting user

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This commit is contained in:
Eelco Dolstra 2014-07-17 15:49:33 +02:00
parent 77c972c898
commit 0c730887c4
1 changed files with 7 additions and 6 deletions
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13
src/nix-daemon/nix-daemon.cc
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@ -17,6 +17,7 @@
#include <sys/un.h>
#include <fcntl.h>
#include <errno.h>
#include <pwd.h>
using namespace nix;
@ -855,23 +856,23 @@ static void daemonLoop()
closeOnExec(remote);
bool trusted = false;
pid_t clientPid = -1;
#if defined(SO_PEERCRED)
/* Get the identity of the caller, if possible. */
uid_t clientUid = -1;
ucred cred;
socklen_t credLen = sizeof(cred);
if (getsockopt(remote, SOL_SOCKET, SO_PEERCRED, &cred, &credLen) == -1)
throw SysError("getting peer credentials");
clientPid = cred.pid;
clientUid = cred.uid;
if (clientUid == 0) trusted = true;
printMsg(lvlInfo, format("accepted connection from pid %1%, uid %2%") % clientPid % clientUid);
struct passwd * pw = getpwuid(cred.uid);
string user = pw ? pw->pw_name : int2String(cred.uid);
if (cred.uid == 0) trusted = true;
printMsg(lvlInfo, format("accepted connection from pid %1%, user %2%") % clientPid % user);
#endif
/* Fork a child to handle the connection. */