33 lines
1009 B
Solidity
33 lines
1009 B
Solidity
/*
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* @source: https://github.com/sigp/solidity-security-blog#storage-example
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* @vulnerable_at_lines: 21
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*/
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// A Locked Name Registrar
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pragma solidity ^0.4.15;
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contract NameRegistrar {
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bool public unlocked = false; // registrar locked, no name updates
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struct NameRecord { // map hashes to addresses
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bytes32 name;
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address mappedAddress;
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}
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mapping(address => NameRecord) public registeredNameRecord; // records who registered names
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mapping(bytes32 => address) public resolve; // resolves hashes to addresses
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function register(bytes32 _name, address _mappedAddress) public {
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// set up the new NameRecord
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// <yes> <report> OTHER - uninitialized storage
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NameRecord newRecord;
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newRecord.name = _name;
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newRecord.mappedAddress = _mappedAddress;
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resolve[_name] = _mappedAddress;
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registeredNameRecord[msg.sender] = newRecord;
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require(unlocked); // only allow registrations if contract is unlocked
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}
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}
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