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authorEelco Dolstra <eelco.dolstra@logicblox.com>2016-02-25T10·25+0100
committerEelco Dolstra <eelco.dolstra@logicblox.com>2016-02-25T10·25+0100
commitf1bdeac9864de8cd9994bb41da79f3a4d812dadc (patch)
tree9ea00480f826dc8d8d8248e11323266a42f9d4ae /src/libstore/nar-info.hh
parent9b05d5848c2fce73b75b3411e362c2bd48d53dcb (diff)
parent152b1d6bf9c89b4db9848475e3000821e159d479 (diff)
Merge branch 'master' into new-cli
Diffstat (limited to 'src/libstore/nar-info.hh')
-rw-r--r--src/libstore/nar-info.hh43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/libstore/nar-info.hh b/src/libstore/nar-info.hh
new file mode 100644
index 000000000000..22e27cb42ebf
--- /dev/null
+++ b/src/libstore/nar-info.hh
@@ -0,0 +1,43 @@
+#pragma once
+
+#include "types.hh"
+#include "hash.hh"
+#include "store-api.hh"
+
+namespace nix {
+
+struct NarInfo : ValidPathInfo
+{
+    std::string url;
+    std::string compression;
+    Hash fileHash;
+    uint64_t fileSize = 0;
+    std::string system;
+    std::string sig; // FIXME: support multiple signatures
+
+    NarInfo() { }
+    NarInfo(const ValidPathInfo & info) : ValidPathInfo(info) { }
+    NarInfo(const std::string & s, const std::string & whence);
+
+    std::string to_string() const;
+
+    /*  Return a fingerprint of the store path to be used in binary
+        cache signatures. It contains the store path, the base-32
+        SHA-256 hash of the NAR serialisation of the path, the size of
+        the NAR, and the sorted references. The size field is strictly
+        speaking superfluous, but might prevent endless/excessive data
+        attacks. */
+    std::string fingerprint() const;
+
+    void sign(const SecretKey & secretKey);
+
+    /* Return true iff this .narinfo is signed by one of the specified
+       keys. */
+    bool checkSignature(const PublicKeys & publicKeys) const;
+
+private:
+
+    Strings shortRefs() const;
+};
+
+}