Restructured code into src/<module>

[tpg/opendispense2.git] / server / src / server.c

diff --git a/server/src/server.c b/server/src/server.c
index e7dbc70..6bf0434 100644 (file)
--- a/server/src/server.c
+++ b/server/src/server.c
@@ -241,7 +241,7 @@ char *Server_ParseClientCommand(tClient *Client, char *CommandString)
                        return gaServer_Commands[i].Function(Client, args);
        }
        
-       return strdup("400      Unknown Command\n");
+       return strdup("400 Unknown Command\n");
 }
 
 // ---
@@ -328,7 +328,7 @@ char *Server_Cmd_AUTOAUTH(tClient *Client, char *Args)
        
        // Get UID
        Client->UID = GetUserID( Args );
-       if( Client->UID <= 0 ) {
+       if( Client->UID < 0 ) {
                if(giDebugLevel)
                        printf("Client %i: Unknown user '%s'\n", Client->ID, Args);
                return strdup("401 Auth Failure\n");
@@ -374,3 +374,46 @@ void HexBin(uint8_t *Dest, char *Src, int BufSize)
        for( ; i < BufSize; i++ )
                Dest[i] = 0;
 }
+
+/**
+ * \brief Decode a Base64 value
+ */
+int UnBase64(uint8_t *Dest, char *Src, int BufSize)
+{
+       uint32_t        val;
+        int    i, j;
+       char    *start_src = Src;
+       
+       for( i = 0; i+2 < BufSize; i += 3 )
+       {
+               val = 0;
+               for( j = 0; j < 4; j++, Src ++ ) {
+                       if('A' <= *Src && *Src <= 'Z')
+                               val |= (*Src - 'A') << ((3-j)*6);
+                       else if('a' <= *Src && *Src <= 'z')
+                               val |= (*Src - 'a' + 26) << ((3-j)*6);
+                       else if('0' <= *Src && *Src <= '9')
+                               val |= (*Src - '0' + 52) << ((3-j)*6);
+                       else if(*Src == '+')
+                               val |= 62 << ((3-j)*6);
+                       else if(*Src == '/')
+                               val |= 63 << ((3-j)*6);
+                       else if(!*Src)
+                               break;
+                       else if(*Src != '=')
+                               j --;   // Ignore invalid characters
+               }
+               Dest[i  ] = (val >> 16) & 0xFF;
+               Dest[i+1] = (val >> 8) & 0xFF;
+               Dest[i+2] = val & 0xFF;
+               if(j != 4)      break;
+       }
+       
+       // Finish things off
+       if(i   < BufSize)
+               Dest[i] = (val >> 16) & 0xFF;
+       if(i+1 < BufSize)
+               Dest[i+1] = (val >> 8) & 0xFF;
+       
+       return Src - start_src;
+}