civodul pushed a commit to branch nix
in repository guix.
commit 77c972c898b325997fa2f527264a9706f1e414a5
Author: Eelco Dolstra <[email protected]>
Date: Thu Jul 17 15:41:11 2014 +0200
nix-daemon: Only print connection info if we have SO_PEERCRED
---
src/nix-daemon/nix-daemon.cc | 21 ++++++++++++---------
1 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/src/nix-daemon/nix-daemon.cc b/src/nix-daemon/nix-daemon.cc
index ab9e4b9..f486806 100644
--- a/src/nix-daemon/nix-daemon.cc
+++ b/src/nix-daemon/nix-daemon.cc
@@ -854,22 +854,25 @@ static void daemonLoop()
closeOnExec(remote);
- /* Get the identity of the caller, if possible. */
- uid_t clientUid = -1;
- pid_t clientPid = -1;
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) {
- clientPid = cred.pid;
- clientUid = cred.uid;
- if (clientUid == 0) trusted = true;
- }
-#endif
+ 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);
+#endif
/* Fork a child to handle the connection. */
startProcess([&]() {