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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/01/10 15:31:25 UTC
[09/16] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/828b306f/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessControlLists.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessControlLists.html b/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessControlLists.html
index 6e03479..e568a9a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessControlLists.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessControlLists.html
@@ -71,725 +71,727 @@
<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.regionserver.InternalScanner;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.security.User;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>import org.apache.hbase.thirdparty.com.google.common.collect.ArrayListMultimap;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import org.apache.hbase.thirdparty.com.google.common.collect.ListMultimap;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.70"></a>
-<span class="sourceLineNo">071</span>import org.apache.hadoop.io.Text;<a name="line.71"></a>
-<span class="sourceLineNo">072</span>import org.apache.hadoop.io.Writable;<a name="line.72"></a>
-<span class="sourceLineNo">073</span>import org.apache.hadoop.io.WritableFactories;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>import org.apache.hadoop.io.WritableUtils;<a name="line.74"></a>
-<span class="sourceLineNo">075</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.75"></a>
-<span class="sourceLineNo">076</span>import org.slf4j.Logger;<a name="line.76"></a>
-<span class="sourceLineNo">077</span>import org.slf4j.LoggerFactory;<a name="line.77"></a>
-<span class="sourceLineNo">078</span><a name="line.78"></a>
-<span class="sourceLineNo">079</span>/**<a name="line.79"></a>
-<span class="sourceLineNo">080</span> * Maintains lists of permission grants to users and groups to allow for<a name="line.80"></a>
-<span class="sourceLineNo">081</span> * authorization checks by {@link AccessController}.<a name="line.81"></a>
-<span class="sourceLineNo">082</span> *<a name="line.82"></a>
-<span class="sourceLineNo">083</span> * <p><a name="line.83"></a>
-<span class="sourceLineNo">084</span> * Access control lists are stored in an "internal" metadata table named<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * {@code _acl_}. Each table's permission grants are stored as a separate row,<a name="line.85"></a>
-<span class="sourceLineNo">086</span> * keyed by the table name. KeyValues for permissions assignments are stored<a name="line.86"></a>
-<span class="sourceLineNo">087</span> * in one of the formats:<a name="line.87"></a>
-<span class="sourceLineNo">088</span> * <pre><a name="line.88"></a>
-<span class="sourceLineNo">089</span> * Key Desc<a name="line.89"></a>
-<span class="sourceLineNo">090</span> * -------- --------<a name="line.90"></a>
-<span class="sourceLineNo">091</span> * user table level permissions for a user [R=read, W=write]<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * group table level permissions for a group<a name="line.92"></a>
-<span class="sourceLineNo">093</span> * user,family column family level permissions for a user<a name="line.93"></a>
-<span class="sourceLineNo">094</span> * group,family column family level permissions for a group<a name="line.94"></a>
-<span class="sourceLineNo">095</span> * user,family,qualifier column qualifier level permissions for a user<a name="line.95"></a>
-<span class="sourceLineNo">096</span> * group,family,qualifier column qualifier level permissions for a group<a name="line.96"></a>
-<span class="sourceLineNo">097</span> * </pre><a name="line.97"></a>
-<span class="sourceLineNo">098</span> * <p><a name="line.98"></a>
-<span class="sourceLineNo">099</span> * All values are encoded as byte arrays containing the codes from the<a name="line.99"></a>
-<span class="sourceLineNo">100</span> * org.apache.hadoop.hbase.security.access.TablePermission.Action enum.<a name="line.100"></a>
-<span class="sourceLineNo">101</span> * </p><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 class AccessControlLists {<a name="line.104"></a>
-<span class="sourceLineNo">105</span> /** Internal storage table for access control lists */<a name="line.105"></a>
-<span class="sourceLineNo">106</span> public static final TableName ACL_TABLE_NAME =<a name="line.106"></a>
-<span class="sourceLineNo">107</span> TableName.valueOf(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR, "acl");<a name="line.107"></a>
-<span class="sourceLineNo">108</span> public static final byte[] ACL_GLOBAL_NAME = ACL_TABLE_NAME.getName();<a name="line.108"></a>
-<span class="sourceLineNo">109</span> /** Column family used to store ACL grants */<a name="line.109"></a>
-<span class="sourceLineNo">110</span> public static final String ACL_LIST_FAMILY_STR = "l";<a name="line.110"></a>
-<span class="sourceLineNo">111</span> public static final byte[] ACL_LIST_FAMILY = Bytes.toBytes(ACL_LIST_FAMILY_STR);<a name="line.111"></a>
-<span class="sourceLineNo">112</span> /** KV tag to store per cell access control lists */<a name="line.112"></a>
-<span class="sourceLineNo">113</span> public static final byte ACL_TAG_TYPE = TagType.ACL_TAG_TYPE;<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> public static final char NAMESPACE_PREFIX = '@';<a name="line.115"></a>
-<span class="sourceLineNo">116</span><a name="line.116"></a>
-<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
-<span class="sourceLineNo">118</span> * Delimiter to separate user, column family, and qualifier in<a name="line.118"></a>
-<span class="sourceLineNo">119</span> * _acl_ table info: column keys */<a name="line.119"></a>
-<span class="sourceLineNo">120</span> public static final char ACL_KEY_DELIMITER = ',';<a name="line.120"></a>
-<span class="sourceLineNo">121</span><a name="line.121"></a>
-<span class="sourceLineNo">122</span> private static final Logger LOG = LoggerFactory.getLogger(AccessControlLists.class);<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> /**<a name="line.124"></a>
-<span class="sourceLineNo">125</span> * Stores a new user permission grant in the access control lists table.<a name="line.125"></a>
-<span class="sourceLineNo">126</span> * @param conf the configuration<a name="line.126"></a>
-<span class="sourceLineNo">127</span> * @param userPerm the details of the permission to be granted<a name="line.127"></a>
-<span class="sourceLineNo">128</span> * @param t acl table instance. It is closed upon method return.<a name="line.128"></a>
-<span class="sourceLineNo">129</span> * @throws IOException in the case of an error accessing the metadata table<a name="line.129"></a>
-<span class="sourceLineNo">130</span> */<a name="line.130"></a>
-<span class="sourceLineNo">131</span> static void addUserPermission(Configuration conf, UserPermission userPerm, Table t,<a name="line.131"></a>
-<span class="sourceLineNo">132</span> boolean mergeExistingPermissions) throws IOException {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> Permission.Action[] actions = userPerm.getActions();<a name="line.133"></a>
-<span class="sourceLineNo">134</span> byte[] rowKey = userPermissionRowKey(userPerm);<a name="line.134"></a>
-<span class="sourceLineNo">135</span> Put p = new Put(rowKey);<a name="line.135"></a>
-<span class="sourceLineNo">136</span> byte[] key = userPermissionKey(userPerm);<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> if ((actions == null) || (actions.length == 0)) {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> String msg = "No actions associated with user '" + Bytes.toString(userPerm.getUser()) + "'";<a name="line.139"></a>
-<span class="sourceLineNo">140</span> LOG.warn(msg);<a name="line.140"></a>
-<span class="sourceLineNo">141</span> throw new IOException(msg);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> }<a name="line.142"></a>
-<span class="sourceLineNo">143</span><a name="line.143"></a>
-<span class="sourceLineNo">144</span> Set<Permission.Action> actionSet = new TreeSet<Permission.Action>();<a name="line.144"></a>
-<span class="sourceLineNo">145</span> if(mergeExistingPermissions){<a name="line.145"></a>
-<span class="sourceLineNo">146</span> List<UserPermission> perms = getUserPermissions(conf, rowKey);<a name="line.146"></a>
-<span class="sourceLineNo">147</span> UserPermission currentPerm = null;<a name="line.147"></a>
-<span class="sourceLineNo">148</span> for (UserPermission perm : perms) {<a name="line.148"></a>
-<span class="sourceLineNo">149</span> if (Bytes.equals(perm.getUser(), userPerm.getUser())<a name="line.149"></a>
-<span class="sourceLineNo">150</span> && ((userPerm.isGlobal() && ACL_TABLE_NAME.equals(perm.getTableName()))<a name="line.150"></a>
-<span class="sourceLineNo">151</span> || perm.tableFieldsEqual(userPerm))) {<a name="line.151"></a>
-<span class="sourceLineNo">152</span> currentPerm = perm;<a name="line.152"></a>
-<span class="sourceLineNo">153</span> break;<a name="line.153"></a>
-<span class="sourceLineNo">154</span> }<a name="line.154"></a>
-<span class="sourceLineNo">155</span> }<a name="line.155"></a>
-<span class="sourceLineNo">156</span><a name="line.156"></a>
-<span class="sourceLineNo">157</span> if(currentPerm != null && currentPerm.getActions() != null){<a name="line.157"></a>
-<span class="sourceLineNo">158</span> actionSet.addAll(Arrays.asList(currentPerm.getActions()));<a name="line.158"></a>
-<span class="sourceLineNo">159</span> }<a name="line.159"></a>
-<span class="sourceLineNo">160</span> }<a name="line.160"></a>
-<span class="sourceLineNo">161</span><a name="line.161"></a>
-<span class="sourceLineNo">162</span> // merge current action with new action.<a name="line.162"></a>
-<span class="sourceLineNo">163</span> actionSet.addAll(Arrays.asList(actions));<a name="line.163"></a>
-<span class="sourceLineNo">164</span><a name="line.164"></a>
-<span class="sourceLineNo">165</span> // serialize to byte array.<a name="line.165"></a>
-<span class="sourceLineNo">166</span> byte[] value = new byte[actionSet.size()];<a name="line.166"></a>
-<span class="sourceLineNo">167</span> int index = 0;<a name="line.167"></a>
-<span class="sourceLineNo">168</span> for (Permission.Action action : actionSet) {<a name="line.168"></a>
-<span class="sourceLineNo">169</span> value[index++] = action.code();<a name="line.169"></a>
-<span class="sourceLineNo">170</span> }<a name="line.170"></a>
-<span class="sourceLineNo">171</span> p.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.171"></a>
-<span class="sourceLineNo">172</span> .setRow(p.getRow())<a name="line.172"></a>
-<span class="sourceLineNo">173</span> .setFamily(ACL_LIST_FAMILY)<a name="line.173"></a>
-<span class="sourceLineNo">174</span> .setQualifier(key)<a name="line.174"></a>
-<span class="sourceLineNo">175</span> .setTimestamp(p.getTimeStamp())<a name="line.175"></a>
-<span class="sourceLineNo">176</span> .setType(Type.Put)<a name="line.176"></a>
-<span class="sourceLineNo">177</span> .setValue(value)<a name="line.177"></a>
-<span class="sourceLineNo">178</span> .build());<a name="line.178"></a>
-<span class="sourceLineNo">179</span> if (LOG.isDebugEnabled()) {<a name="line.179"></a>
-<span class="sourceLineNo">180</span> LOG.debug("Writing permission with rowKey "+<a name="line.180"></a>
-<span class="sourceLineNo">181</span> Bytes.toString(rowKey)+" "+<a name="line.181"></a>
-<span class="sourceLineNo">182</span> Bytes.toString(key)+": "+Bytes.toStringBinary(value)<a name="line.182"></a>
-<span class="sourceLineNo">183</span> );<a name="line.183"></a>
-<span class="sourceLineNo">184</span> }<a name="line.184"></a>
-<span class="sourceLineNo">185</span> try {<a name="line.185"></a>
-<span class="sourceLineNo">186</span> /**<a name="line.186"></a>
-<span class="sourceLineNo">187</span> * TODO: Use Table.put(Put) instead. This Table.put() happens within the RS. We are already in<a name="line.187"></a>
-<span class="sourceLineNo">188</span> * AccessController. Means already there was an RPC happened to server (Actual grant call from<a name="line.188"></a>
-<span class="sourceLineNo">189</span> * client side). At RpcServer we have a ThreadLocal where we keep the CallContext and inside<a name="line.189"></a>
-<span class="sourceLineNo">190</span> * that the current RPC called user info is set. The table on which put was called is created<a name="line.190"></a>
-<span class="sourceLineNo">191</span> * via the RegionCP env and that uses a special Connection. The normal RPC channel will be by<a name="line.191"></a>
-<span class="sourceLineNo">192</span> * passed here means there would have no further contact on to the RpcServer. So the<a name="line.192"></a>
-<span class="sourceLineNo">193</span> * ThreadLocal is never getting reset. We ran the new put as a super user (User.runAsLoginUser<a name="line.193"></a>
-<span class="sourceLineNo">194</span> * where the login user is the user who started RS process) but still as per the RPC context<a name="line.194"></a>
-<span class="sourceLineNo">195</span> * it is the old user. When AsyncProcess was used, the execute happen via another thread from<a name="line.195"></a>
-<span class="sourceLineNo">196</span> * pool and so old ThreadLocal variable is not accessible and so it looks as if no Rpc context<a name="line.196"></a>
-<span class="sourceLineNo">197</span> * and we were relying on the super user who starts the RS process.<a name="line.197"></a>
-<span class="sourceLineNo">198</span> */<a name="line.198"></a>
-<span class="sourceLineNo">199</span> t.put(Collections.singletonList(p));<a name="line.199"></a>
-<span class="sourceLineNo">200</span> } finally {<a name="line.200"></a>
-<span class="sourceLineNo">201</span> t.close();<a name="line.201"></a>
-<span class="sourceLineNo">202</span> }<a name="line.202"></a>
-<span class="sourceLineNo">203</span> }<a name="line.203"></a>
-<span class="sourceLineNo">204</span><a name="line.204"></a>
-<span class="sourceLineNo">205</span> static void addUserPermission(Configuration conf, UserPermission userPerm, Table t)<a name="line.205"></a>
-<span class="sourceLineNo">206</span> throws IOException{<a name="line.206"></a>
-<span class="sourceLineNo">207</span> addUserPermission(conf, userPerm, t, false);<a name="line.207"></a>
-<span class="sourceLineNo">208</span> }<a name="line.208"></a>
-<span class="sourceLineNo">209</span><a name="line.209"></a>
-<span class="sourceLineNo">210</span> /**<a name="line.210"></a>
-<span class="sourceLineNo">211</span> * Removes a previously granted permission from the stored access control<a name="line.211"></a>
-<span class="sourceLineNo">212</span> * lists. The {@link TablePermission} being removed must exactly match what<a name="line.212"></a>
-<span class="sourceLineNo">213</span> * is stored -- no wildcard matching is attempted. Ie, if user "bob" has<a name="line.213"></a>
-<span class="sourceLineNo">214</span> * been granted "READ" access to the "data" table, but only to column family<a name="line.214"></a>
-<span class="sourceLineNo">215</span> * plus qualifier "info:colA", then trying to call this method with only<a name="line.215"></a>
-<span class="sourceLineNo">216</span> * user "bob" and the table name "data" (but without specifying the<a name="line.216"></a>
-<span class="sourceLineNo">217</span> * column qualifier "info:colA") will have no effect.<a name="line.217"></a>
-<span class="sourceLineNo">218</span> *<a name="line.218"></a>
-<span class="sourceLineNo">219</span> * @param conf the configuration<a name="line.219"></a>
-<span class="sourceLineNo">220</span> * @param userPerm the details of the permission to be revoked<a name="line.220"></a>
-<span class="sourceLineNo">221</span> * @param t acl table<a name="line.221"></a>
-<span class="sourceLineNo">222</span> * @throws IOException if there is an error accessing the metadata table<a name="line.222"></a>
-<span class="sourceLineNo">223</span> */<a name="line.223"></a>
-<span class="sourceLineNo">224</span> static void removeUserPermission(Configuration conf, UserPermission userPerm, Table t)<a name="line.224"></a>
-<span class="sourceLineNo">225</span> throws IOException {<a name="line.225"></a>
-<span class="sourceLineNo">226</span> if (null == userPerm.getActions()) {<a name="line.226"></a>
-<span class="sourceLineNo">227</span> removePermissionRecord(conf, userPerm, t);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> } else {<a name="line.228"></a>
-<span class="sourceLineNo">229</span> // Get all the global user permissions from the acl table<a name="line.229"></a>
-<span class="sourceLineNo">230</span> List<UserPermission> permsList = getUserPermissions(conf, userPermissionRowKey(userPerm));<a name="line.230"></a>
-<span class="sourceLineNo">231</span> List<Permission.Action> remainingActions = new ArrayList<>();<a name="line.231"></a>
-<span class="sourceLineNo">232</span> List<Permission.Action> dropActions = Arrays.asList(userPerm.getActions());<a name="line.232"></a>
-<span class="sourceLineNo">233</span> for (UserPermission perm : permsList) {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> // Find the user and remove only the requested permissions<a name="line.234"></a>
-<span class="sourceLineNo">235</span> if (Bytes.toString(perm.getUser()).equals(Bytes.toString(userPerm.getUser()))) {<a name="line.235"></a>
-<span class="sourceLineNo">236</span> for (Permission.Action oldAction : perm.getActions()) {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> if (!dropActions.contains(oldAction)) {<a name="line.237"></a>
-<span class="sourceLineNo">238</span> remainingActions.add(oldAction);<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> if (!remainingActions.isEmpty()) {<a name="line.241"></a>
-<span class="sourceLineNo">242</span> perm.setActions(remainingActions.toArray(new Permission.Action[remainingActions.size()]));<a name="line.242"></a>
-<span class="sourceLineNo">243</span> addUserPermission(conf, perm, t);<a name="line.243"></a>
-<span class="sourceLineNo">244</span> } else {<a name="line.244"></a>
-<span class="sourceLineNo">245</span> removePermissionRecord(conf, userPerm, t);<a name="line.245"></a>
-<span class="sourceLineNo">246</span> }<a name="line.246"></a>
-<span class="sourceLineNo">247</span> break;<a name="line.247"></a>
-<span class="sourceLineNo">248</span> }<a name="line.248"></a>
-<span class="sourceLineNo">249</span> }<a name="line.249"></a>
-<span class="sourceLineNo">250</span> }<a name="line.250"></a>
-<span class="sourceLineNo">251</span> if (LOG.isDebugEnabled()) {<a name="line.251"></a>
-<span class="sourceLineNo">252</span> LOG.debug("Removed permission "+ userPerm.toString());<a name="line.252"></a>
-<span class="sourceLineNo">253</span> }<a name="line.253"></a>
-<span class="sourceLineNo">254</span> }<a name="line.254"></a>
-<span class="sourceLineNo">255</span><a name="line.255"></a>
-<span class="sourceLineNo">256</span> private static void removePermissionRecord(Configuration conf, UserPermission userPerm, Table t)<a name="line.256"></a>
-<span class="sourceLineNo">257</span> throws IOException {<a name="line.257"></a>
-<span class="sourceLineNo">258</span> Delete d = new Delete(userPermissionRowKey(userPerm));<a name="line.258"></a>
-<span class="sourceLineNo">259</span> d.addColumns(ACL_LIST_FAMILY, userPermissionKey(userPerm));<a name="line.259"></a>
-<span class="sourceLineNo">260</span> try {<a name="line.260"></a>
-<span class="sourceLineNo">261</span> t.delete(d);<a name="line.261"></a>
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-<span class="sourceLineNo">263</span> t.close();<a name="line.263"></a>
-<span class="sourceLineNo">264</span> }<a name="line.264"></a>
-<span class="sourceLineNo">265</span> }<a name="line.265"></a>
-<span class="sourceLineNo">266</span><a name="line.266"></a>
-<span class="sourceLineNo">267</span> /**<a name="line.267"></a>
-<span class="sourceLineNo">268</span> * Remove specified table from the _acl_ table.<a name="line.268"></a>
-<span class="sourceLineNo">269</span> */<a name="line.269"></a>
-<span class="sourceLineNo">270</span> static void removeTablePermissions(Configuration conf, TableName tableName, Table t)<a name="line.270"></a>
-<span class="sourceLineNo">271</span> throws IOException{<a name="line.271"></a>
-<span class="sourceLineNo">272</span> Delete d = new Delete(tableName.getName());<a name="line.272"></a>
-<span class="sourceLineNo">273</span><a name="line.273"></a>
-<span class="sourceLineNo">274</span> if (LOG.isDebugEnabled()) {<a name="line.274"></a>
-<span class="sourceLineNo">275</span> LOG.debug("Removing permissions of removed table "+ tableName);<a name="line.275"></a>
-<span class="sourceLineNo">276</span> }<a name="line.276"></a>
-<span class="sourceLineNo">277</span> try {<a name="line.277"></a>
-<span class="sourceLineNo">278</span> t.delete(d);<a name="line.278"></a>
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-<span class="sourceLineNo">280</span> t.close();<a name="line.280"></a>
-<span class="sourceLineNo">281</span> }<a name="line.281"></a>
-<span class="sourceLineNo">282</span> }<a name="line.282"></a>
-<span class="sourceLineNo">283</span><a name="line.283"></a>
-<span class="sourceLineNo">284</span> /**<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * Remove specified namespace from the acl table.<a name="line.285"></a>
-<span class="sourceLineNo">286</span> */<a name="line.286"></a>
-<span class="sourceLineNo">287</span> static void removeNamespacePermissions(Configuration conf, String namespace, Table t)<a name="line.287"></a>
-<span class="sourceLineNo">288</span> throws IOException{<a name="line.288"></a>
-<span class="sourceLineNo">289</span> Delete d = new Delete(Bytes.toBytes(toNamespaceEntry(namespace)));<a name="line.289"></a>
-<span class="sourceLineNo">290</span><a name="line.290"></a>
-<span class="sourceLineNo">291</span> if (LOG.isDebugEnabled()) {<a name="line.291"></a>
-<span class="sourceLineNo">292</span> LOG.debug("Removing permissions of removed namespace "+ namespace);<a name="line.292"></a>
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-<span class="sourceLineNo">546</span> return getUserPermissions(conf, Bytes.toBytes(toNamespaceEntry(namespace)));<a name="line.546"></a>
-<span class="sourceLineNo">547</span> }<a name="line.547"></a>
-<span class="sourceLineNo">548</span><a name="line.548"></a>
-<span class="sourceLineNo">549</span> static List<UserPermission> getUserPermissions(<a name="line.549"></a>
-<span class="sourceLineNo">550</span> Configuration conf, byte[] entryName)<a name="line.550"></a>
-<span class="sourceLineNo">551</span> throws IOException {<a name="line.551"></a>
-<span class="sourceLineNo">552</span> ListMultimap<String,TablePermission> allPerms = getPermissions(<a name="line.552"></a>
-<span class="sourceLineNo">553</span> conf, entryName, null);<a name="line.553"></a>
-<span class="sourceLineNo">554</span><a name="line.554"></a>
-<span class="sourceLineNo">555</span> List<UserPermission> perms = new ArrayList<>();<a name="line.555"></a>
+<span class="sourceLineNo">066</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import org.apache.hbase.thirdparty.com.google.common.collect.ArrayListMultimap;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.apache.hbase.thirdparty.com.google.common.collect.ListMultimap;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.apache.hadoop.io.Text;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.apache.hadoop.io.Writable;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.apache.hadoop.io.WritableFactories;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import org.apache.hadoop.io.WritableUtils;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>import org.slf4j.Logger;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>import org.slf4j.LoggerFactory;<a name="line.78"></a>
+<span class="sourceLineNo">079</span><a name="line.79"></a>
+<span class="sourceLineNo">080</span>/**<a name="line.80"></a>
+<span class="sourceLineNo">081</span> * Maintains lists of permission grants to users and groups to allow for<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * authorization checks by {@link AccessController}.<a name="line.82"></a>
+<span class="sourceLineNo">083</span> *<a name="line.83"></a>
+<span class="sourceLineNo">084</span> * <p><a name="line.84"></a>
+<span class="sourceLineNo">085</span> * Access control lists are stored in an "internal" metadata table named<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * {@code _acl_}. Each table's permission grants are stored as a separate row,<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * keyed by the table name. KeyValues for permissions assignments are stored<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * in one of the formats:<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * <pre><a name="line.89"></a>
+<span class="sourceLineNo">090</span> * Key Desc<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * -------- --------<a name="line.91"></a>
+<span class="sourceLineNo">092</span> * user table level permissions for a user [R=read, W=write]<a name="line.92"></a>
+<span class="sourceLineNo">093</span> * group table level permissions for a group<a name="line.93"></a>
+<span class="sourceLineNo">094</span> * user,family column family level permissions for a user<a name="line.94"></a>
+<span class="sourceLineNo">095</span> * group,family column family level permissions for a group<a name="line.95"></a>
+<span class="sourceLineNo">096</span> * user,family,qualifier column qualifier level permissions for a user<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * group,family,qualifier column qualifier level permissions for a group<a name="line.97"></a>
+<span class="sourceLineNo">098</span> * </pre><a name="line.98"></a>
+<span class="sourceLineNo">099</span> * <p><a name="line.99"></a>
+<span class="sourceLineNo">100</span> * All values are encoded as byte arrays containing the codes from the<a name="line.100"></a>
+<span class="sourceLineNo">101</span> * org.apache.hadoop.hbase.security.access.TablePermission.Action enum.<a name="line.101"></a>
+<span class="sourceLineNo">102</span> * </p><a name="line.102"></a>
+<span class="sourceLineNo">103</span> */<a name="line.103"></a>
+<span class="sourceLineNo">104</span>@InterfaceAudience.Private<a name="line.104"></a>
+<span class="sourceLineNo">105</span>public class AccessControlLists {<a name="line.105"></a>
+<span class="sourceLineNo">106</span> /** Internal storage table for access control lists */<a name="line.106"></a>
+<span class="sourceLineNo">107</span> public static final TableName ACL_TABLE_NAME =<a name="line.107"></a>
+<span class="sourceLineNo">108</span> TableName.valueOf(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR, "acl");<a name="line.108"></a>
+<span class="sourceLineNo">109</span> public static final byte[] ACL_GLOBAL_NAME = ACL_TABLE_NAME.getName();<a name="line.109"></a>
+<span class="sourceLineNo">110</span> /** Column family used to store ACL grants */<a name="line.110"></a>
+<span class="sourceLineNo">111</span> public static final String ACL_LIST_FAMILY_STR = "l";<a name="line.111"></a>
+<span class="sourceLineNo">112</span> public static final byte[] ACL_LIST_FAMILY = Bytes.toBytes(ACL_LIST_FAMILY_STR);<a name="line.112"></a>
+<span class="sourceLineNo">113</span> /** KV tag to store per cell access control lists */<a name="line.113"></a>
+<span class="sourceLineNo">114</span> public static final byte ACL_TAG_TYPE = TagType.ACL_TAG_TYPE;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public static final char NAMESPACE_PREFIX = '@';<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> * Delimiter to separate user, column family, and qualifier in<a name="line.119"></a>
+<span class="sourceLineNo">120</span> * _acl_ table info: column keys */<a name="line.120"></a>
+<span class="sourceLineNo">121</span> public static final char ACL_KEY_DELIMITER = ',';<a name="line.121"></a>
+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span> private static final Logger LOG = LoggerFactory.getLogger(AccessControlLists.class);<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> /**<a name="line.125"></a>
+<span class="sourceLineNo">126</span> * Stores a new user permission grant in the access control lists table.<a name="line.126"></a>
+<span class="sourceLineNo">127</span> * @param conf the configuration<a name="line.127"></a>
+<span class="sourceLineNo">128</span> * @param userPerm the details of the permission to be granted<a name="line.128"></a>
+<span class="sourceLineNo">129</span> * @param t acl table instance. It is closed upon method return.<a name="line.129"></a>
+<span class="sourceLineNo">130</span> * @throws IOException in the case of an error accessing the metadata table<a name="line.130"></a>
+<span class="sourceLineNo">131</span> */<a name="line.131"></a>
+<span class="sourceLineNo">132</span> static void addUserPermission(Configuration conf, UserPermission userPerm, Table t,<a name="line.132"></a>
+<span class="sourceLineNo">133</span> boolean mergeExistingPermissions) throws IOException {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> Permission.Action[] actions = userPerm.getActions();<a name="line.134"></a>
+<span class="sourceLineNo">135</span> byte[] rowKey = userPermissionRowKey(userPerm);<a name="line.135"></a>
+<span class="sourceLineNo">136</span> Put p = new Put(rowKey);<a name="line.136"></a>
+<span class="sourceLineNo">137</span> byte[] key = userPermissionKey(userPerm);<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span> if ((actions == null) || (actions.length == 0)) {<a name="line.139"></a>
+<span class="sourceLineNo">140</span> String msg = "No actions associated with user '" + Bytes.toString(userPerm.getUser()) + "'";<a name="line.140"></a>
+<span class="sourceLineNo">141</span> LOG.warn(msg);<a name="line.141"></a>
+<span class="sourceLineNo">142</span> throw new IOException(msg);<a name="line.142"></a>
+<span class="sourceLineNo">143</span> }<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span> Set<Permission.Action> actionSet = new TreeSet<Permission.Action>();<a name="line.145"></a>
+<span class="sourceLineNo">146</span> if(mergeExistingPermissions){<a name="line.146"></a>
+<span class="sourceLineNo">147</span> List<UserPermission> perms = getUserPermissions(conf, rowKey);<a name="line.147"></a>
+<span class="sourceLineNo">148</span> UserPermission currentPerm = null;<a name="line.148"></a>
+<span class="sourceLineNo">149</span> for (UserPermission perm : perms) {<a name="line.149"></a>
+<span class="sourceLineNo">150</span> if (Bytes.equals(perm.getUser(), userPerm.getUser())<a name="line.150"></a>
+<span class="sourceLineNo">151</span> && ((userPerm.isGlobal() && ACL_TABLE_NAME.equals(perm.getTableName()))<a name="line.151"></a>
+<span class="sourceLineNo">152</span> || perm.tableFieldsEqual(userPerm))) {<a name="line.152"></a>
+<span class="sourceLineNo">153</span> currentPerm = perm;<a name="line.153"></a>
+<span class="sourceLineNo">154</span> break;<a name="line.154"></a>
+<span class="sourceLineNo">155</span> }<a name="line.155"></a>
+<span class="sourceLineNo">156</span> }<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span> if(currentPerm != null && currentPerm.getActions() != null){<a name="line.158"></a>
+<span class="sourceLineNo">159</span> actionSet.addAll(Arrays.asList(currentPerm.getActions()));<a name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
+<span class="sourceLineNo">161</span> }<a name="line.161"></a>
+<span class="sourceLineNo">162</span><a name="line.162"></a>
+<span class="sourceLineNo">163</span> // merge current action with new action.<a name="line.163"></a>
+<span class="sourceLineNo">164</span> actionSet.addAll(Arrays.asList(actions));<a name="line.164"></a>
+<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">166</span> // serialize to byte array.<a name="line.166"></a>
+<span class="sourceLineNo">167</span> byte[] value = new byte[actionSet.size()];<a name="line.167"></a>
+<span class="sourceLineNo">168</span> int index = 0;<a name="line.168"></a>
+<span class="sourceLineNo">169</span> for (Permission.Action action : actionSet) {<a name="line.169"></a>
+<span class="sourceLineNo">170</span> value[index++] = action.code();<a name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span> p.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.172"></a>
+<span class="sourceLineNo">173</span> .setRow(p.getRow())<a name="line.173"></a>
+<span class="sourceLineNo">174</span> .setFamily(ACL_LIST_FAMILY)<a name="line.174"></a>
+<span class="sourceLineNo">175</span> .setQualifier(key)<a name="line.175"></a>
+<span class="sourceLineNo">176</span> .setTimestamp(p.getTimeStamp())<a name="line.176"></a>
+<span class="sourceLineNo">177</span> .setType(Type.Put)<a name="line.177"></a>
+<span class="sourceLineNo">178</span> .setValue(value)<a name="line.178"></a>
+<span class="sourceLineNo">179</span> .build());<a name="line.179"></a>
+<span class="sourceLineNo">180</span> if (LOG.isDebugEnabled()) {<a name="line.180"></a>
+<span class="sourceLineNo">181</span> LOG.debug("Writing permission with rowKey "+<a name="line.181"></a>
+<span class="sourceLineNo">182</span> Bytes.toString(rowKey)+" "+<a name="line.182"></a>
+<span class="sourceLineNo">183</span> Bytes.toString(key)+": "+Bytes.toStringBinary(value)<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> try {<a name="line.186"></a>
+<span class="sourceLineNo">187</span> /**<a name="line.187"></a>
+<span class="sourceLineNo">188</span> * TODO: Use Table.put(Put) instead. This Table.put() happens within the RS. We are already in<a name="line.188"></a>
+<span class="sourceLineNo">189</span> * AccessController. Means already there was an RPC happened to server (Actual grant call from<a name="line.189"></a>
+<span class="sourceLineNo">190</span> * client side). At RpcServer we have a ThreadLocal where we keep the CallContext and inside<a name="line.190"></a>
+<span class="sourceLineNo">191</span> * that the current RPC called user info is set. The table on which put was called is created<a name="line.191"></a>
+<span class="sourceLineNo">192</span> * via the RegionCP env and that uses a special Connection. The normal RPC channel will be by<a name="line.192"></a>
+<span class="sourceLineNo">193</span> * passed here means there would have no further contact on to the RpcServer. So the<a name="line.193"></a>
+<span class="sourceLineNo">194</span> * ThreadLocal is never getting reset. We ran the new put as a super user (User.runAsLoginUser<a name="line.194"></a>
+<span class="sourceLineNo">195</span> * where the login user is the user who started RS process) but still as per the RPC context<a name="line.195"></a>
+<span class="sourceLineNo">196</span> * it is the old user. When AsyncProcess was used, the execute happen via another thread from<a name="line.196"></a>
+<span class="sourceLineNo">197</span> * pool and so old ThreadLocal variable is not accessible and so it looks as if no Rpc context<a name="line.197"></a>
+<span class="sourceLineNo">198</span> * and we were relying on the super user who starts the RS process.<a name="line.198"></a>
+<span class="sourceLineNo">199</span> */<a name="line.199"></a>
+<span class="sourceLineNo">200</span> t.put(Collections.singletonList(p));<a name="line.200"></a>
+<span class="sourceLineNo">201</span> } finally {<a name="line.201"></a>
+<span class="sourceLineNo">202</span> t.close();<a name="line.202"></a>
+<span class="sourceLineNo">203</span> }<a name="line.203"></a>
+<span class="sourceLineNo">204</span> }<a name="line.204"></a>
+<span class="sourceLineNo">205</span><a name="line.205"></a>
+<span class="sourceLineNo">206</span> static void addUserPermission(Configuration conf, UserPermission userPerm, Table t)<a name="line.206"></a>
+<span class="sourceLineNo">207</span> throws IOException{<a name="line.207"></a>
+<span class="sourceLineNo">208</span> addUserPermission(conf, userPerm, t, false);<a name="line.208"></a>
+<span class="sourceLineNo">209</span> }<a name="line.209"></a>
+<span class="sourceLineNo">210</span><a name="line.210"></a>
+<span class="sourceLineNo">211</span> /**<a name="line.211"></a>
+<span class="sourceLineNo">212</span> * Removes a previously granted permission from the stored access control<a name="line.212"></a>
+<span class="sourceLineNo">213</span> * lists. The {@link TablePermission} being removed must exactly match what<a name="line.213"></a>
+<span class="sourceLineNo">214</span> * is stored -- no wildcard matching is attempted. Ie, if user "bob" has<a name="line.214"></a>
+<span class="sourceLineNo">215</span> * been granted "READ" access to the "data" table, but only to column family<a name="line.215"></a>
+<span class="sourceLineNo">216</span> * plus qualifier "info:colA", then trying to call this method with only<a name="line.216"></a>
+<span class="sourceLineNo">217</span> * user "bob" and the table name "data" (but without specifying the<a name="line.217"></a>
+<span class="sourceLineNo">218</span> * column qualifier "info:colA") will have no effect.<a name="line.218"></a>
+<span class="sourceLineNo">219</span> *<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * @param conf the configuration<a name="line.220"></a>
+<span class="sourceLineNo">221</span> * @param userPerm the details of the permission to be revoked<a name="line.221"></a>
+<span class="sourceLineNo">222</span> * @param t acl table<a name="line.222"></a>
+<span class="sourceLineNo">223</span> * @throws IOException if there is an error accessing the metadata table<a name="line.223"></a>
+<span class="sourceLineNo">224</span> */<a name="line.224"></a>
+<span class="sourceLineNo">225</span> static void removeUserPermission(Configuration conf, UserPermission userPerm, Table t)<a name="line.225"></a>
+<span class="sourceLineNo">226</span> throws IOException {<a name="line.226"></a>
+<span class="sourceLineNo">227</span> if (null == userPerm.getActions()) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> removePermissionRecord(conf, userPerm, t);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> } else {<a name="line.229"></a>
+<span class="sourceLineNo">230</span> // Get all the global user permissions from the acl table<a name="line.230"></a>
+<span class="sourceLineNo">231</span> List<UserPermission> permsList = getUserPermissions(conf, userPermissionRowKey(userPerm));<a name="line.231"></a>
+<span class="sourceLineNo">232</span> List<Permission.Action> remainingActions = new ArrayList<>();<a name="line.232"></a>
+<span class="sourceLineNo">233</span> List<Permission.Action> dropActions = Arrays.asList(userPerm.getActions());<a name="line.233"></a>
+<span class="sourceLineNo">234</span> for (UserPermission perm : permsList) {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> // Find the user and remove only the requested permissions<a name="line.235"></a>
+<span class="sourceLineNo">236</span> if (Bytes.toString(perm.getUser()).equals(Bytes.toString(userPerm.getUser()))) {<a name="line.236"></a>
+<span class="sourceLineNo">237</span> for (Permission.Action oldAction : perm.getActions()) {<a name="line.237"></a>
+<span class="sourceLineNo">238</span> if (!dropActions.contains(oldAction)) {<a name="line.238"></a>
+<span class="sourceLineNo">239</span> remainingActions.add(oldAction);<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> if (!remainingActions.isEmpty()) {<a name="line.242"></a>
+<span class="sourceLineNo">243</span> perm.setActions(remainingActions.toArray(new Permission.Action[remainingActions.size()]));<a name="line.243"></a>
+<span class="sourceLineNo">244</span> addUserPermission(conf, perm, t);<a name="line.244"></a>
+<span class="sourceLineNo">245</span> } else {<a name="line.245"></a>
+<span class="sourceLineNo">246</span> removePermissionRecord(conf, userPerm, t);<a name="line.246"></a>
+<span class="sourceLineNo">247</span> }<a name="line.247"></a>
+<span class="sourceLineNo">248</span> break;<a name="line.248"></a>
+<span class="sourceLineNo">249</span> }<a name="line.249"></a>
+<span class="sourceLineNo">250</span> }<a name="line.250"></a>
+<span class="sourceLineNo">251</span> }<a name="line.251"></a>
+<span class="sourceLineNo">252</span> if (LOG.isDebugEnabled()) {<a name="line.252"></a>
+<span class="sourceLineNo">253</span> LOG.debug("Removed permission "+ userPerm.toString());<a name="line.253"></a>
+<span class="sourceLineNo">254</span> }<a name="line.254"></a>
+<span class="sourceLineNo">255</span> }<a name="line.255"></a>
+<span class="sourceLineNo">256</span><a name="line.256"></a>
+<span class="sourceLineNo">257</span> private static void removePermissionRecord(Configuration conf, UserPermission userPerm, Table t)<a name="line.257"></a>
+<span class="sourceLineNo">258</span> throws IOException {<a name="line.258"></a>
+<span class="sourceLineNo">259</span> Delete d = new Delete(userPermissionRowKey(userPerm));<a name="line.259"></a>
+<span class="sourceLineNo">260</span> d.addColumns(ACL_LIST_FAMILY, userPermissionKey(userPerm));<a name="line.260"></a>
+<span class="sourceLineNo">261</span> try {<a name="line.261"></a>
+<span class="sourceLineNo">262</span> t.delete(d);<a name="line.262"></a>
+<span class="sourceLineNo">263</span> } finally {<a name="line.263"></a>
+<span class="sourceLineNo">264</span> t.close();<a name="line.264"></a>
+<span class="sourceLineNo">265</span> }<a name="line.265"></a>
+<span class="sourceLineNo">266</span> }<a name="line.266"></a>
+<span class="sourceLineNo">267</span><a name="line.267"></a>
+<span class="sourceLineNo">268</span> /**<a name="line.268"></a>
+<span class="sourceLineNo">269</span> * Remove specified table from the _acl_ table.<a name="line.269"></a>
+<span class="sourceLineNo">270</span> */<a name="line.270"></a>
+<span class="sourceLineNo">271</span> static void removeTablePermissions(Configuration conf, TableName tableName, Table t)<a name="line.271"></a>
+<span class="sourceLineNo">272</span> throws IOException{<a name="line.272"></a>
+<span class="sourceLineNo">273</span> Delete d = new Delete(tableName.getName());<a name="line.273"></a>
+<span class="sourceLineNo">274</span><a name="line.274"></a>
+<span class="sourceLineNo">275</span> if (LOG.isDebugEnabled()) {<a name="line.275"></a>
+<span class="sourceLineNo">276</span> LOG.debug("Removing permissions of removed table "+ tableName);<a name="line.276"></a>
+<span class="sourceLineNo">277</span> }<a name="line.277"></a>
+<span class="sourceLineNo">278</span> try {<a name="line.278"></a>
+<span class="sourceLineNo">279</span> t.delete(d);<a name="line.279"></a>
+<span class="sourceLineNo">280</span> } finally {<a name="line.280"></a>
+<span class="sourceLineNo">281</span> t.close();<a name="line.281"></a>
+<span class="sourceLineNo">282</span> }<a name="line.282"></a>
+<span class="sourceLineNo">283</span> }<a name="line.283"></a>
+<span class="sourceLineNo">284</span><a name="line.284"></a>
+<span class="sourceLineNo">285</span> /**<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * Remove specified namespace from the acl table.<a name="line.286"></a>
+<span class="sourceLineNo">287</span> */<a name="line.287"></a>
+<span class="sourceLineNo">288</span> static void removeNamespacePermissions(Configuration conf, String namespace, Table t)<a name="line.288"></a>
+<span class="sourceLineNo">289</span> throws IOException{<a name="line.289"></a>
+<span class="sourceLineNo">290</span> Delete d = new Delete(Bytes.toBytes(toNamespaceEntry(namespace)));<a name="line.290"></a>
+<span class="sourceLineNo">291</span><a name="line.291"></a>
+<span class="sourceLineNo">292</span> if (LOG.isDebugEnabled()) {<a name="line.292"></a>
+<span class="sourceLineNo">293</span> LOG.debug("Removing permissions of removed namespace "+ namespace);<a name="line.293"></a>
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+<span class="sourceLineNo">295</span><a name="line.295"></a>
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+<span class="sourceLineNo">403</span> * @throws IOException<a name="line.403"></a>
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+<span class="sourceLineNo">411</span><a name="line.411"></a>
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+<span class="sourceLineNo">447</span> }<a name="line.447"></a>
+<span class="sourceLineNo">448</span> } finally {<a name="line.448"></a>
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+<span class="sourceLineNo">450</span> iScanner.close();<a name="line.450"></a>
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+<span class="sourceLineNo">452</span> }<a name="line.452"></a>
+<span class="sourceLineNo">453</span><a name="line.453"></a>
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+<span class="sourceLineNo">456</span><a name="line.456"></a>
+<span class="sourceLineNo">457</span> /**<a name="line.457"></a>
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+<span class="sourceLineNo">459</span> * primarily intended for testing purposes.<a name="line.459"></a>
+<span class="sourceLineNo">460</span> */<a name="line.460"></a>
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+<span class="sourceLineNo">463</span> Map<byte[], ListMultimap<String,TablePermission>> allPerms = new TreeMap<>(Bytes.BYTES_RAWCOMPARATOR);<a name="line.463"></a>
+<span class="sourceLineNo">464</span><a name="line.464"></a>
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+<span class="sourceLineNo">469</span><a name="line.469"></a>
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+<span class="sourceLineNo">471</span> // TODO: Pass in a Connection rather than create one each time.<a name="line.471"></a>
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+<span class="sourceLineNo">474</span> scanner = table.getScanner(scan);<a name="line.474"></a>
+<span class="sourceLineNo">475</span> try {<a name="line.475"></a>
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+<span class="sourceLineNo">477</span> ListMultimap<String,TablePermission> resultPerms = parsePermissions(row.getRow(), row);<a name="line.477
<TRUNCATED>