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nix-daemon: Trust options like binary-caches when the client is root

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Fixes #127.
This commit is contained in:
Eelco Dolstra 2013-06-12 12:10:26 +02:00
parent 5c06e5297d
commit 6b05f688ee
1 changed files with 7 additions and 5 deletions
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12
src/nix-daemon/nix-daemon.cc
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@ -273,7 +273,7 @@ struct SavingSourceAdapter : Source
};
static void performOp(unsigned int clientVersion,
static void performOp(bool trusted, unsigned int clientVersion,
Source & from, Sink & to, unsigned int op)
{
switch (op) {
@ -554,7 +554,7 @@ static void performOp(unsigned int clientVersion,
if (name == "build-timeout")
string2Int(value, settings.buildTimeout);
else
settings.set("untrusted-" + name, value);
settings.set(trusted ? name : "untrusted-" + name, value);
}
}
startWork();
@ -643,7 +643,7 @@ static void performOp(unsigned int clientVersion,
}
static void processConnection()
static void processConnection(bool trusted)
{
canSendStderr = false;
myPid = getpid();
@ -711,7 +711,7 @@ static void processConnection()
opCount++;
try {
performOp(clientVersion, from, to, op);
performOp(trusted, clientVersion, from, to, op);
} catch (Error & e) {
/* If we're not in a state were we can send replies, then
something went wrong processing the input of the
@ -839,6 +839,7 @@ static void daemonLoop()
/* Get the identity of the caller, if possible. */
uid_t clientUid = -1;
pid_t clientPid = -1;
bool trusted = false;
#if defined(SO_PEERCRED)
ucred cred;
@ -846,6 +847,7 @@ static void daemonLoop()
if (getsockopt(remote, SOL_SOCKET, SO_PEERCRED, &cred, &credLen) != -1) {
clientPid = cred.pid;
clientUid = cred.uid;
if (clientUid == 0) trusted = true;
}
#endif
@ -879,7 +881,7 @@ static void daemonLoop()
/* Handle the connection. */
from.fd = remote;
to.fd = remote;
processConnection();
processConnection(trusted);
} catch (std::exception & e) {
writeToStderr("child error: " + string(e.what()) + "\n");