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For more, please refer<a name="line.72"></a> +<span class="sourceLineNo">073</span> * <a href="http://hbase.apache.org/book.html#hbase.secure.configuration">Client-side Configuration for Secure Operation</a><a name="line.73"></a> +<span class="sourceLineNo">074</span> *<a name="line.74"></a> +<span class="sourceLineNo">075</span> * @deprecated since 2.2.0, to be removed in hbase-3.0.0.<a name="line.75"></a> +<span class="sourceLineNo">076</span> */<a name="line.76"></a> +<span class="sourceLineNo">077</span>@Deprecated<a name="line.77"></a> +<span class="sourceLineNo">078</span>@InterfaceAudience.Public<a name="line.78"></a> +<span class="sourceLineNo">079</span>public final class AuthUtil {<a name="line.79"></a> +<span class="sourceLineNo">080</span> // TODO: Mark this class InterfaceAudience.Private from 3.0.0<a name="line.80"></a> +<span class="sourceLineNo">081</span> private static final Logger LOG = LoggerFactory.getLogger(AuthUtil.class);<a name="line.81"></a> +<span class="sourceLineNo">082</span><a name="line.82"></a> +<span class="sourceLineNo">083</span> /** Prefix character to denote group names */<a name="line.83"></a> +<span class="sourceLineNo">084</span> private static final String GROUP_PREFIX = "@";<a name="line.84"></a> +<span class="sourceLineNo">085</span><a name="line.85"></a> +<span class="sourceLineNo">086</span> /** Client keytab file */<a name="line.86"></a> +<span class="sourceLineNo">087</span> public static final String HBASE_CLIENT_KEYTAB_FILE = "hbase.client.keytab.file";<a name="line.87"></a> +<span class="sourceLineNo">088</span><a name="line.88"></a> +<span class="sourceLineNo">089</span> /** Client principal */<a name="line.89"></a> +<span class="sourceLineNo">090</span> public static final String HBASE_CLIENT_KERBEROS_PRINCIPAL = "hbase.client.keytab.principal";<a name="line.90"></a> +<span class="sourceLineNo">091</span><a name="line.91"></a> +<span class="sourceLineNo">092</span> private AuthUtil() {<a name="line.92"></a> +<span class="sourceLineNo">093</span> super();<a name="line.93"></a> +<span class="sourceLineNo">094</span> }<a name="line.94"></a> +<span class="sourceLineNo">095</span><a name="line.95"></a> +<span class="sourceLineNo">096</span> /**<a name="line.96"></a> +<span class="sourceLineNo">097</span> * For kerberized cluster, return login user (from kinit or from keytab if specified).<a name="line.97"></a> +<span class="sourceLineNo">098</span> * For non-kerberized cluster, return system user.<a name="line.98"></a> +<span class="sourceLineNo">099</span> * @param conf configuartion file<a name="line.99"></a> +<span class="sourceLineNo">100</span> * @return user<a name="line.100"></a> +<span class="sourceLineNo">101</span> * @throws IOException login exception<a name="line.101"></a> +<span class="sourceLineNo">102</span> */<a name="line.102"></a> +<span class="sourceLineNo">103</span> @InterfaceAudience.Private<a name="line.103"></a> +<span class="sourceLineNo">104</span> public static User loginClient(Configuration conf) throws IOException {<a name="line.104"></a> +<span class="sourceLineNo">105</span> UserProvider provider = UserProvider.instantiate(conf);<a name="line.105"></a> +<span class="sourceLineNo">106</span> User user = provider.getCurrent();<a name="line.106"></a> +<span class="sourceLineNo">107</span> boolean securityOn = provider.isHBaseSecurityEnabled() && provider.isHadoopSecurityEnabled();<a name="line.107"></a> <span class="sourceLineNo">108</span><a name="line.108"></a> -<span class="sourceLineNo">109</span> @Override<a name="line.109"></a> -<span class="sourceLineNo">110</span> public void stop(String why) {<a name="line.110"></a> -<span class="sourceLineNo">111</span> isStopped = true;<a name="line.111"></a> -<span class="sourceLineNo">112</span> }<a name="line.112"></a> -<span class="sourceLineNo">113</span><a name="line.113"></a> -<span class="sourceLineNo">114</span> @Override<a name="line.114"></a> -<span class="sourceLineNo">115</span> public boolean isStopped() {<a name="line.115"></a> -<span class="sourceLineNo">116</span> return isStopped;<a name="line.116"></a> -<span class="sourceLineNo">117</span> }<a name="line.117"></a> -<span class="sourceLineNo">118</span> };<a name="line.118"></a> -<span class="sourceLineNo">119</span><a name="line.119"></a> -<span class="sourceLineNo">120</span> // if you're in debug mode this is useful to avoid getting spammed by the getTGT()<a name="line.120"></a> -<span class="sourceLineNo">121</span> // you can increase this, keeping in mind that the default refresh window is 0.8<a name="line.121"></a> -<span class="sourceLineNo">122</span> // e.g. 5min tgt * 0.8 = 4min refresh so interval is better be way less than 1min<a name="line.122"></a> -<span class="sourceLineNo">123</span> final int CHECK_TGT_INTERVAL = 30 * 1000; // 30sec<a name="line.123"></a> -<span class="sourceLineNo">124</span><a name="line.124"></a> -<span class="sourceLineNo">125</span> ScheduledChore refreshCredentials =<a name="line.125"></a> -<span class="sourceLineNo">126</span> new ScheduledChore("RefreshCredentials", stoppable, CHECK_TGT_INTERVAL) {<a name="line.126"></a> -<span class="sourceLineNo">127</span> @Override<a name="line.127"></a> -<span class="sourceLineNo">128</span> protected void chore() {<a name="line.128"></a> -<span class="sourceLineNo">129</span> try {<a name="line.129"></a> -<span class="sourceLineNo">130</span> ugi.checkTGTAndReloginFromKeytab();<a name="line.130"></a> -<span class="sourceLineNo">131</span> } catch (IOException e) {<a name="line.131"></a> -<span class="sourceLineNo">132</span> LOG.error("Got exception while trying to refresh credentials: " + e.getMessage(), e);<a name="line.132"></a> -<span class="sourceLineNo">133</span> }<a name="line.133"></a> -<span class="sourceLineNo">134</span> }<a name="line.134"></a> -<span class="sourceLineNo">135</span> };<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> return refreshCredentials;<a name="line.137"></a> -<span class="sourceLineNo">138</span> }<a name="line.138"></a> -<span class="sourceLineNo">139</span><a name="line.139"></a> -<span class="sourceLineNo">140</span> /**<a name="line.140"></a> -<span class="sourceLineNo">141</span> * Returns whether or not the given name should be interpreted as a group<a name="line.141"></a> -<span class="sourceLineNo">142</span> * principal. 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Yes, check if user principal match.<a name="line.115"></a> +<span class="sourceLineNo">116</span> // a. match, just return.<a name="line.116"></a> +<span class="sourceLineNo">117</span> // b. mismatch, login using keytab.<a name="line.117"></a> +<span class="sourceLineNo">118</span> // 2. No, user may login through kinit, this is the old way, also just return.<a name="line.118"></a> +<span class="sourceLineNo">119</span> if (fromKeytab) {<a name="line.119"></a> +<span class="sourceLineNo">120</span> return checkPrincipalMatch(conf, user.getUGI().getUserName()) ? user :<a name="line.120"></a> +<span class="sourceLineNo">121</span> loginFromKeytabAndReturnUser(provider);<a name="line.121"></a> +<span class="sourceLineNo">122</span> }<a name="line.122"></a> +<span class="sourceLineNo">123</span> return user;<a name="line.123"></a> +<span class="sourceLineNo">124</span> } else if (fromKeytab) {<a name="line.124"></a> +<span class="sourceLineNo">125</span> // Kerberos is on and client specify a keytab and principal, but client doesn't login yet.<a name="line.125"></a> +<span class="sourceLineNo">126</span> return loginFromKeytabAndReturnUser(provider);<a name="line.126"></a> +<span class="sourceLineNo">127</span> }<a name="line.127"></a> +<span class="sourceLineNo">128</span> }<a name="line.128"></a> +<span class="sourceLineNo">129</span> return user;<a name="line.129"></a> +<span class="sourceLineNo">130</span> }<a name="line.130"></a> +<span class="sourceLineNo">131</span><a name="line.131"></a> +<span class="sourceLineNo">132</span> private static boolean checkPrincipalMatch(Configuration conf, String loginUserName) {<a name="line.132"></a> +<span class="sourceLineNo">133</span> String configuredUserName = conf.get(HBASE_CLIENT_KERBEROS_PRINCIPAL);<a name="line.133"></a> +<span class="sourceLineNo">134</span> boolean match = configuredUserName.equals(loginUserName);<a name="line.134"></a> +<span class="sourceLineNo">135</span> if (!match) {<a name="line.135"></a> +<span class="sourceLineNo">136</span> LOG.warn("Trying to login with a different user: {}, existed user is {}.",<a name="line.136"></a> +<span class="sourceLineNo">137</span> configuredUserName, loginUserName);<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span> return match;<a name="line.139"></a> +<span class="sourceLineNo">140</span> }<a name="line.140"></a> +<span class="sourceLineNo">141</span><a name="line.141"></a> +<span class="sourceLineNo">142</span> private static User loginFromKeytabAndReturnUser(UserProvider provider) throws IOException {<a name="line.142"></a> +<span class="sourceLineNo">143</span> try {<a name="line.143"></a> +<span class="sourceLineNo">144</span> provider.login(HBASE_CLIENT_KEYTAB_FILE, HBASE_CLIENT_KERBEROS_PRINCIPAL);<a name="line.144"></a> +<span class="sourceLineNo">145</span> } catch (IOException ioe) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> LOG.error("Error while trying to login as user {} through {}, with message: {}.",<a name="line.146"></a> +<span class="sourceLineNo">147</span> HBASE_CLIENT_KERBEROS_PRINCIPAL, HBASE_CLIENT_KEYTAB_FILE,<a name="line.147"></a> +<span class="sourceLineNo">148</span> ioe.getMessage());<a name="line.148"></a> +<span class="sourceLineNo">149</span> throw ioe;<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span> return provider.getCurrent();<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> /**<a name="line.154"></a> +<span class="sourceLineNo">155</span> * For kerberized cluster, return login user (from kinit or from keytab).<a name="line.155"></a> +<span class="sourceLineNo">156</span> * Principal should be the following format: name/fully.qualified.domain.name@REALM.<a name="line.156"></a> +<span class="sourceLineNo">157</span> * For non-kerberized cluster, return system user.<a name="line.157"></a> +<span class="sourceLineNo">158</span> * <p><a name="line.158"></a> +<span class="sourceLineNo">159</span> * NOT recommend to use to method unless you're sure what you're doing, it is for canary only.<a name="line.159"></a> +<span class="sourceLineNo">160</span> * Please use User#loginClient.<a name="line.160"></a> +<span class="sourceLineNo">161</span> * @param conf configuration file<a name="line.161"></a> +<span class="sourceLineNo">162</span> * @return user<a name="line.162"></a> +<span class="sourceLineNo">163</span> * @throws IOException login exception<a name="line.163"></a> +<span class="sourceLineNo">164</span> */<a name="line.164"></a> +<span class="sourceLineNo">165</span> private static User loginClientAsService(Configuration conf) throws IOException {<a name="line.165"></a> +<span class="sourceLineNo">166</span> UserProvider provider = UserProvider.instantiate(conf);<a name="line.166"></a> +<span class="sourceLineNo">167</span> if (provider.isHBaseSecurityEnabled() && provider.isHadoopSecurityEnabled()) {<a name="line.167"></a> +<span class="sourceLineNo">168</span> try {<a name="line.168"></a> +<span class="sourceLineNo">169</span> if (provider.shouldLoginFromKeytab()) {<a name="line.169"></a> +<span class="sourceLineNo">170</span> String host = Strings.domainNamePointerToHostName(DNS.getDefaultHost(<a name="line.170"></a> +<span class="sourceLineNo">171</span> conf.get("hbase.client.dns.interface", "default"),<a name="line.171"></a> +<span class="sourceLineNo">172</span> conf.get("hbase.client.dns.nameserver", "default")));<a name="line.172"></a> +<span class="sourceLineNo">173</span> provider.login(HBASE_CLIENT_KEYTAB_FILE, HBASE_CLIENT_KERBEROS_PRINCIPAL, host);<a name="line.173"></a> +<span class="sourceLineNo">174</span> }<a name="line.174"></a> +<span class="sourceLineNo">175</span> } catch (UnknownHostException e) {<a name="line.175"></a> +<span class="sourceLineNo">176</span> LOG.error("Error resolving host name: " + e.getMessage(), e);<a name="line.176"></a> +<span class="sourceLineNo">177</span> throw e;<a name="line.177"></a> +<span class="sourceLineNo">178</span> } catch (IOException e) {<a name="line.178"></a> +<span class="sourceLineNo">179</span> LOG.error("Error while trying to perform the initial login: " + e.getMessage(), e);<a name="line.179"></a> +<span class="sourceLineNo">180</span> throw e;<a name="line.180"></a> +<span class="sourceLineNo">181</span> }<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<a name="line.182"></a> +<span class="sourceLineNo">183</span> return provider.getCurrent();<a name="line.183"></a> +<span class="sourceLineNo">184</span> }<a name="line.184"></a> +<span class="sourceLineNo">185</span><a name="line.185"></a> +<span class="sourceLineNo">186</span> /**<a name="line.186"></a> +<span class="sourceLineNo">187</span> * Checks if security is enabled and if so, launches chore for refreshing kerberos ticket.<a name="line.187"></a> +<span class="sourceLineNo">188</span> * @return a ScheduledChore for renewals.<a name="line.188"></a> +<span class="sourceLineNo">189</span> */<a name="line.189"></a> +<span class="sourceLineNo">190</span> @InterfaceAudience.Private<a name="line.190"></a> +<span class="sourceLineNo">191</span> public static ScheduledChore getAuthRenewalChore(final UserGroupInformation user) {<a name="line.191"></a> +<span class="sourceLineNo">192</span> if (!user.hasKerberosCredentials()) {<a name="line.192"></a> +<span class="sourceLineNo">193</span> return null;<a name="line.193"></a> +<span class="sourceLineNo">194</span> }<a name="line.194"></a> +<span class="sourceLineNo">195</span><a name="line.195"></a> +<span class="sourceLineNo">196</span> Stoppable stoppable = createDummyStoppable();<a name="line.196"></a> +<span class="sourceLineNo">197</span> // if you're in debug mode this is useful to avoid getting spammed by the getTGT()<a name="line.197"></a> +<span class="sourceLineNo">198</span> // you can increase this, keeping in mind that the default refresh window is 0.8<a name="line.198"></a> +<span 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@Deprecated<a name="line.219"></a> +<span class="sourceLineNo">220</span> public static ScheduledChore getAuthChore(Configuration conf) throws IOException {<a name="line.220"></a> +<span class="sourceLineNo">221</span> // TODO: Mark this method InterfaceAudience.Private from 3.0.0<a name="line.221"></a> +<span class="sourceLineNo">222</span> User user = loginClientAsService(conf);<a name="line.222"></a> +<span class="sourceLineNo">223</span> return getAuthRenewalChore(user.getUGI());<a name="line.223"></a> +<span class="sourceLineNo">224</span> }<a name="line.224"></a> +<span class="sourceLineNo">225</span><a name="line.225"></a> +<span class="sourceLineNo">226</span> private static Stoppable createDummyStoppable() {<a name="line.226"></a> +<span class="sourceLineNo">227</span> return new Stoppable() {<a name="line.227"></a> +<span class="sourceLineNo">228</span> private volatile boolean isStopped = false;<a name="line.228"></a> +<span class="sourceLineNo">229</span><a name="line.229"></a> +<span class="sourceLineNo">230</span> @Override<a name="line.230"></a> +<span class="sourceLineNo">231</span> public void stop(String why) {<a name="line.231"></a> +<span class="sourceLineNo">232</span> isStopped = true;<a name="line.232"></a> +<span class="sourceLineNo">233</span> }<a name="line.233"></a> +<span class="sourceLineNo">234</span><a name="line.234"></a> +<span class="sourceLineNo">235</span> @Override<a name="line.235"></a> +<span class="sourceLineNo">236</span> public boolean isStopped() {<a name="line.236"></a> +<span class="sourceLineNo">237</span> return isStopped;<a name="line.237"></a> +<span class="sourceLineNo">238</span> }<a name="line.238"></a> +<span class="sourceLineNo">239</span> };<a name="line.239"></a> +<span class="sourceLineNo">240</span> }<a name="line.240"></a> +<span class="sourceLineNo">241</span><a name="line.241"></a> +<span class="sourceLineNo">242</span> /**<a name="line.242"></a> +<span class="sourceLineNo">243</span> * Returns whether or not the given name should be interpreted as a group<a name="line.243"></a> +<span class="sourceLineNo">244</span> * principal. 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