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-rw-r--r--src/nix-store/nix-store.cc20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc
index 69a98fe47..fb1d3f541 100644
--- a/src/nix-store/nix-store.cc
+++ b/src/nix-store/nix-store.cc
@@ -834,6 +834,24 @@ static void opClearFailedPaths(Strings opFlags, Strings opArgs)
}
+// Serve the nix store in a way usable by a restricted ssh user
+static void opServe(Strings opFlags, Strings opArgs)
+{
+ if (!opArgs.empty())
+ throw UsageError("no arguments expected");
+ // Could eventually take a username argument?
+ bool sign;
+ foreach (Strings::iterator, i, opFlags)
+ if (*i == "--sign") sign = true;
+ else throw UsageError(format("unknown flag `%1%'") % *i);
+
+ FdSource in(STDIN_FILENO);
+ FdSink out(STDOUT_FILENO);
+
+ store->serve(in, out, sign);
+}
+
+
/* Scan the arguments; find the operation, set global flags, put all
other flags in a list, and put all other arguments in another
list. */
@@ -904,6 +922,8 @@ void run(Strings args)
indirectRoot = true;
else if (arg == "--no-output")
noOutput = true;
+ else if (arg == "--serve")
+ op = opServe;
else if (arg[0] == '-') {
opFlags.push_back(arg);
if (arg == "--max-freed" || arg == "--max-links" || arg == "--max-atime") { /* !!! hack */