Merge pull request #48 from Oblomov/master

[dragonfireclient.git] / src / utility.cpp

diff --git a/src/utility.cpp b/src/utility.cpp
index fc657b27bd63bd7fbf06751d3b3d202995e0b4d6..0721100cb98e845871e033aaf5920fcb9a624a14 100644 (file)
--- a/src/utility.cpp
+++ b/src/utility.cpp
@@ -23,6 +23,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "utility.h"
 #include "gettime.h"
+#include "sha1.h"
+#include "base64.h"
 
 TimeTaker::TimeTaker(const char *name, u32 *result)
 {
@@ -217,3 +219,24 @@ bool isBlockInSight(v3s16 blockpos_b, v3f camera_pos, v3f camera_dir, f32 range,
        return true;
 }
 
+// Get an sha-1 hash of the player's name combined with
+// the password entered. That's what the server uses as
+// their password. (Exception : if the password field is
+// blank, we send a blank password - this is for backwards
+// compatibility with password-less players).
+std::string translatePassword(std::string playername, std::wstring password)
+{
+       if(password.length() == 0)
+               return "";
+
+       std::string slt = playername + wide_to_narrow(password);
+       SHA1 sha1;
+       sha1.addBytes(slt.c_str(), slt.length());
+       unsigned char *digest = sha1.getDigest();
+       std::string pwd = base64_encode(digest, 20);
+       free(digest);
+       return pwd;
+}
+
+
+