Merge branch 'master' of fozzie:projects/ctf

doc/problems.txt

@@ -1,2 +1,2 @@
 * claim.cgi not exiting (maybe fixed?)
-* get LAUR for contest
+

doc/todo.txt

@@ -1,5 +1,5 @@
 Things That Need Fixin'
 =======================
 
-* puzzles.cgi really needs to cross out points your team has claimed.
+* Do something about all the symbolic links in the build tree
-* Make an OpenWRT router image for a FitPC
+* Make arc4 global somehow

packages/mcp/bin/addteam

@@ -49,3 +49,7 @@ echo "$1" > $base/teams/names/$hash
 echo "$color" > $base/teams/colors/$hash
 
 echo "Registered with hash: $hash"
+
+# Create encrypted listing of teams
+ls $base/teams/names | KEY="Too much cheese." /opt/mcp/bin/arc4 > $www/teams.txt.$$
+mv $www/teams.txt.$$ $www/teams.txt

packages/mcp/bin/scoreboard

@@ -30,18 +30,18 @@ function escape(s) {
     return s
 }
 
-function print_bar(cat, team, n, d) {
+function print_bar(cat, teamid, teamname, n, d) {
     printf("<div class=\"t%s score\""               \
            "     style=\"height: %.2f%%;\""         \
            "     onmouseover=\"highlight('%s')\""   \
            "     onmouseout=\"restore('%s')\">\n"   \
            "<!-- %s --> %s: %s\n"                   \
            "</div>", 
-           team, 
+           teamid, 
            100 * n / d, 
-           team,
+           teamid,
-           team,
+           teamid,
-           cat, escape(names_by_team[team]), n)
+           cat, escape(name), n)
 }
 
 function output(    t, c) {
@@ -203,7 +203,7 @@ BEGIN {
         for (team in teams) {
             if (scores[i] == scores_by_team_time[team, lasttime]) {
                 name = names_by_team[team]
-                print_bar("total", teams[team], scores[i], ncats)
+                print_bar("total", teams[team], name, scores[i], ncats)
             }
         }
     }
@@ -232,7 +232,7 @@ BEGIN {
                 points = points_by_cat_team[cat, team]
                 if (l[j] == points) {
                     name = names_by_team[team]
-                    print_bar(cat, teams[team], points, points_by_cat[cat])
+                    print_bar(cat, teams[team], name, points, points_by_cat[cat])
                 }
             }
         }
@@ -242,7 +242,7 @@ BEGIN {
     print "      </tr>"
 
     print "    </table>"
-    print "    <canvas id=\"chart\" width=\"800\" height=\"400\"></canvas>"
+    print "    <canvas id=\"chart\" width=\"800\" height=\"300\"></canvas>"
     print "    <p><a href=\"scoring.html\">About scoring</a></p>"
     print "  </body>"
     print "</html>"

packages/mcp/mcp.mk

@@ -8,6 +8,7 @@ mcp-install: mcp-build
 	cp packages/mcp/src/pointscli $(MCP_PKGDIR)/bin/
 	cp packages/mcp/src/tokencli $(MCP_PKGDIR)/bin/
 	cp packages/mcp/src/puzzles.cgi $(MCP_PKGDIR)/bin/
+	cp packages/mcp/src/arc4 $(MCP_PKGDIR)/bin/
 
 	$(call COPYTREE, packages/mcp/service, $(MCP_PKGDIR)/service)
 

packages/mcp/service/tokend/run

@@ -4,7 +4,7 @@ exec 2>&1
 
 DB=/var/lib/ctf/tokens.db
 
-if [ ! -f $DB ]; do
+if [ ! -f $DB ]; then
     # Append any package-provided tokens
     cat /opt/*/tokens >$DB 2>/dev/null
     chown ctf $DB

packages/mcp/src/Makefile

@@ -1,7 +1,7 @@
 CFLAGS = -Wall -Werror
 TARGETS = in.tokend tokencli claim.cgi
 TARGETS += puzzler.cgi puzzles.cgi
-TARGETS += pointscli mktoken
+TARGETS += pointscli mktoken arc4
 
 all: build
 
@@ -11,6 +11,7 @@ in.tokend: in.tokend.o arc4.o common.o
 tokencli: tokencli.o arc4.o
 pointscli: pointscli.o common.o
 mktoken: mktoken.o common.o
+arc4: arc4-main.o arc4.o
 
 puzzles.cgi: puzzles.cgi.o common.o
 claim.cgi: claim.cgi.o common.o

packages/mcp/src/arc4-main.c

@@ -0,0 +1 @@
+../../tokens/src/arc4-main.c

packages/mcp/tokend.keys/tanks

@@ -0,0 +1 @@
+U'0絤騺q<1B>p

packages/mcp/www/ctf.css

@@ -37,12 +37,11 @@ a img {
 a {
     text-decoration: underline;
     color: #84b;
-    font-weight: bold;
 }
 
 a:hover {
+    color: #2a4;
     background: #333;
-    font-weight: bold;
 }
 
 
@@ -69,7 +68,11 @@ th {
 }
 td {
     vertical-align: top;
-    text-align: right;
+    text-align: left;
+}
+
+dt {
+    font-weight: bold;
 }
 
 p {
@@ -83,42 +86,28 @@ hr {
 
 
 
-/*** left side bar ***/
+/*** navigation bar ***/
 
-#navigation {
+nav h2 {
-  position: absolute;
+    display: none;
-  background: HBG;
-  opacity: 0.9;
-  top: 80px;
-  left: 0px;
-  padding: 0;
 }
 
-#navigation h3 {
+nav ul {
-  font-size: 100%;
-  border-bottom: 2px solid #333;
-}
-
-#navigation ul {
     list-style: none;
-  padding: 0;
+    text-align: center;
-  margin: 0;
 }
 
-#navigation li a {
+nav li {
-  display: block;
+    display: inline;
-  height: 25px;
+}
-  width: 90px;
+
-  padding: 5px;
+nav li a {
-  margin: 5px;
-  border-right: 4px solid #ddc;
   text-transform: lowercase;
   font-size: 0.9em;
 }
 
-#navigation li a:hover {
+nav li + li:before {
-  background: #333;
+    content: " | ";
-  border-right-color: #b71;
 }
 
 /**** special cases ****/
@@ -134,12 +123,12 @@ hr {
     text-align: center;
 }
 
-.scoreboard {
+#scoreboard {
     background: #112;
 }
 
-.scoreboard td {
+#scoreboard td {
-    height: 400px;
+    height: 300px;
 }
 
 #battlefield {
@@ -149,19 +138,3 @@ hr {
 .solved {
     text-decoration: line-through;
 }
-
-table.pollster {
-    margin-left: 5em;
-}
-
-table.pollster td {
-    padding: 2px 1em 2px 5px;
-}
-
-table.pollster thead {
-    font-weight: bold;
-}
-
-table.scoreboard {
-    height: 400px;
-}

packages/mktokendkey

@@ -0,0 +1,19 @@
+#! /bin/sh
+
+if [ $# -lt 1 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
+    echo "Usage: $0 CATEGORY"
+    echo
+    echo "Creates tokend key for CATEGORY."
+    exit 1
+fi
+
+puz=$1; shift
+cat=${1:-$puz}
+
+d=$(dirname $0)
+
+td=$d/mcp/tokend.keys/$cat
+echo "Writing new server key to $td"
+dd bs=1 count=16 if=/dev/urandom of=$td
+
+hd $td

packages/tanks/html/designer.cgi

@@ -0,0 +1,4 @@
+#! /bin/sh
+
+BASE_PATH=/var/lib/ctf/tanks/players/; export BASE_PATH
+exec /opt/tanks/bin/designer.cgi

packages/tanks/html/designer.html

@@ -0,0 +1,178 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Tank Designer</title>
+    <link rel="stylesheet" href="style.css" type="text/css">
+    <style type="text/css">
+      #preview {
+        float: right;
+      }
+      #sensors input {
+        width: 5em;
+      }
+      #program textarea {
+        width: 100%;
+        min-height: 20em;
+      }
+      td {
+        text-align: left;
+      }
+    </style>
+    <script type="application/javascript" src="tanks.js"></script>
+    <script type="application/javascript" src="designer.js"></script>
+    <script type="application/javascript">
+      window.onload = design;
+    </script>
+  </head>
+  <body>
+    <h1>Tank Designer</h1>
+    <div id="preview"><canvas id="design"></canvas><p id="debug"></p></div>
+
+    <form action="designer.cgi" method="post">
+      <fieldset id="metadata">
+        <legend>Information</legend>
+        <table>
+          <tr>
+            <td>Team hash:</td>
+            <td><input name="token"></td>
+          </tr>
+          <tr>
+            <td>Tank name:</td>
+            <td><input name="name"></td>
+          </tr>
+          <tr>
+            <td>Author:</td>
+            <td>
+              <input name="author">
+              (eg. Joe Cool &lt;joe@cool.cc&gt;)
+            </td>
+          </tr>
+          <tr>
+            <td>Color:</td>
+            <td>
+              <input name="color" type="color" value="#c0c0c0" onchange="update();">
+              (eg. #c7e148)
+            </td>
+          </tr>
+        </table>
+      </fieldset>
+
+      <fieldset id="sensors">
+        <legend>Sensors</legend>
+        <table>
+          <thead>
+            <tr>
+              <td>#</td>
+              <td>Range</td>
+              <td>Angle</td>
+              <td>Width</td>
+              <td>Turret?</td>
+            </tr>
+          </thead>
+          <tbody>
+
+
+            <tr>
+              <td>0</td>
+              <td><input name="s0r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s0a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s0w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s0t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+            <tr>
+              <td>1</td>
+              <td><input name="s1r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s1a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s1w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s1t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+            <tr>
+              <td>2</td>
+              <td><input name="s2r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s2a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s2w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s2t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+            <tr>
+              <td>3</td>
+              <td><input name="s3r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s3a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s3w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s3t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+            <tr>
+              <td>4</td>
+              <td><input name="s4r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s4a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s4w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s4t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+            <tr>
+              <td>5</td>
+              <td><input name="s5r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s5a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s5w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s5t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+            <tr>
+              <td>6</td>
+              <td><input name="s6r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s6a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s6w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s6t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+            <tr>
+              <td>7</td>
+              <td><input name="s7r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s7a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s7w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s7t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+            <tr>
+              <td>8</td>
+              <td><input name="s8r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s8a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s8w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s8t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+            <tr>
+              <td>9</td>
+              <td><input name="s9r" type="number" min="0" max="100" onchange="update();"></td>
+              <td><input name="s9a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s9w" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s9t" type="checkbox" onchange="update();"></td>
+            </tr>
+
+          </tbody>
+        </table>
+      </fieldset>
+
+      <fieldset id="program">
+        <legend>Program</legend>
+        <textarea name="program"></textarea>
+      </fieldset>
+
+      <input type="submit" value="Submit">
+    </form>
+    <nav>
+      <h2>Resources</h2>
+      <ul>
+        <li><a href="summary.html">Summary</a></li>
+        <li><a href="intro.html">Introduction</a></li>
+        <li><a href="forf.html">Forf manual</a></li>
+        <li><a href="procs.html">Tanks procedures</a></li>
+        <li><a href="designer.html">Tanks designer</a></li>
+      </ul>
+    </nav>
+
+  </body>
+</html>

packages/tanks/html/index.html

@@ -0,0 +1 @@
+summary.html

packages/tanks/html/summary.html

@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Tanks</title>
+    <link rel="stylesheet" href="style.css" type="text/css">
+  </head>
+  <body>
+    <h1>Tanks</h1>
+
+    <p>
+      Nothing here yet.  You could <a href="intro.html">read the
+        intro</a> while you're waiting,
+      or <a href="designer.html">submit a tank</a> to get things
+      started.
+    </p>
+
+    <p>
+      Hopefully it goes without saying that you'll need to reload
+      this page to see if anything's happened.
+    </p>
+  </body>
+</html>

packages/tanks/service/tanksd/category.key

@@ -0,0 +1 @@
+U'0絤騺q<1B>p

packages/tanks/service/tanksd/log/run

@@ -0,0 +1,3 @@
+#! /bin/sh
+
+exec logger -t tanks

packages/tanks/service/tanksd/run

@@ -0,0 +1,10 @@
+#! /bin/sh
+
+exec 2>&1
+
+mkdir -p /var/www/tanks
+ln -s /opt/tanks/html/* /var/www/tanks/
+ln -sf summary.html /var/www/tanks/index.html
+
+install -o ctf -d /var/lib/ctf/tanks/players
+exec ./tanksd

packages/tanks/service/tanksd/tanksd

@@ -0,0 +1,125 @@
+#! /bin/sh
+
+d=/var/lib/ctf/tanks
+p=$d/players
+w=/var/www/tanks
+
+summary () {
+    cat <<EOF
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Tanks</title>
+    <link rel="stylesheet" href="style.css" type="text/css">
+  </head>
+  <body>
+    <h1>Tanks</h1>
+    <p>New here?  Start with the <a href="intro.html">introduction</a>.</p>
+    <p>New round every minute.</p>
+    <h2>Round results</h2>
+    <ul>
+EOF
+    printed=0
+    find $w -name "round-*.html" | sort -r | while read fn; do
+        b=$(basename $fn)
+        if [ $printed -lt 20 ]; then
+            echo "<li><a href=\"$b\">$b</a></li>"
+        else
+            rm -f $fn
+        fi
+        printed=$(expr $printed + 1)
+    done
+    cat <<EOF
+    </ul>
+EOF
+    cat /opt/tanks/html/nav.html.inc
+    cat <<EOF
+  </body>
+</html>
+EOF
+}
+
+while true; do
+    # Make sure all teams exist
+    # XXX: pull this out into another daemon
+    wget -q -O - http://10.0.0.2/teams.txt | \
+        KEY="Too much cheese." /opt/tokens/bin/arc4 | \
+        while read hash; do
+        install -o ctf -d $p/$hash
+    done
+
+    # Has anyone submitted a program yet?
+    if [ $(find $p -name program | wc -l) = 0 ]; then
+        sleep 15
+        continue
+    fi
+            
+
+    # Round number?
+    if [ -f $d/next-round ]; then
+        next=$(cat $d/next-round)
+    else
+        next=0
+    fi
+    expr $next + 1 > $d/next-round
+
+    fn=$(printf "%s/round-%04d.html" $w $next)
+    rfn=$(printf "/tmp/tanks-results-%04d.txt" $next)
+    tfn=$(printf "/tmp/tanks-token-%04d.txt" $next)
+
+    # Run a game
+    echo "Running round $next"
+    cat <<EOF >$fn
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Tanks Round $next</title>
+    <script type="application/javascript" src="tanks.js"></script>
+    <link rel="stylesheet" href="style.css" type="text/css">
+    <script type="application/javascript">
+      function go() {
+        start("battlefield",
+// Start JSON data
+EOF
+    /opt/tanks/bin/forftanks $p/* >>$fn 3>$rfn
+    cat <<EOF >>$fn
+// end JSON data
+      );
+}
+window.onload = go;
+    </script>
+  </head>
+  <body>
+    <h1>Tanks Round $next</h1>
+    <div id="game_box"><canvas id="battlefield"></canvas></div>
+    <p><span id="fps">0</span> fps</p>
+EOF
+    /opt/tanks/bin/rank.awk $rfn >>$fn
+    cat /opt/tanks/html/nav.html.inc >>$fn
+    cat <<EOF >>$fn
+  </body>
+</html>
+EOF
+    
+    # Get a token and add it to the redemption log
+    nc 10.0.0.2 1 -e /opt/tokens/bin/tokencli tanks ./category.key 3> $tfn
+    k=$(cat $tfn)
+    /opt/tanks/bin/winners.awk $rfn | while read winner; do
+        hash=$(basename $winner)
+        echo "Round $next winner: $hash"
+
+        # Squirrel it away just in case
+        cat $tfn >> $winner/tokens
+
+        # XXX: pull this out into another daemon
+        # XXX: this puts the token in /proc/self/cmdline
+        wget -q -s "http://10.0.0.2/claim.cgi?t=$hash&k=$k"
+    done
+
+    summary > $w/summary.html.$$
+    mv -f $w/summary.html.$$ $w/summary.html
+
+    rm -f $tfn $rfn
+
+    sleep 60
+done

packages/tanks/tanks.mk

@@ -15,7 +15,30 @@ $(TANKS_BUILDDIR)/ctanks: $(TANKS_TAR)
 tanks-build: tanks-source
 	$(MAKE) -C $(TANKS_BUILDDIR)/ctanks
 
+# "html" instead of "www" to prevent automatic links
 tanks-install: tanks-build
+	mkdir -p $(TANKS_PKGDIR)/bin
+	cp $(TANKS_BUILDDIR)/ctanks/forftanks $(TANKS_PKGDIR)/bin
+	cp $(TANKS_BUILDDIR)/ctanks/designer.cgi $(TANKS_PKGDIR)/bin
+	cp $(TANKS_BUILDDIR)/ctanks/rank.awk $(TANKS_PKGDIR)/bin
+	cp $(TANKS_BUILDDIR)/ctanks/winners.awk $(TANKS_PKGDIR)/bin
+
+	$(call COPYTREE, packages/tanks/html, $(TANKS_PKGDIR)/html)
+	cp packages/mcp/www/ctf.css $(TANKS_PKGDIR)/html/style.css
+	cp packages/mcp/www/grunge.png $(TANKS_PKGDIR)/html
+	cp $(TANKS_BUILDDIR)/ctanks/nav.html.inc $(TANKS_PKGDIR)/html
+	cp $(TANKS_BUILDDIR)/ctanks/tanks.js $(TANKS_PKGDIR)/html
+	cp $(TANKS_BUILDDIR)/ctanks/forf.html $(TANKS_PKGDIR)/html
+	cp $(TANKS_BUILDDIR)/ctanks/intro.html $(TANKS_PKGDIR)/html
+	cp $(TANKS_BUILDDIR)/ctanks/figures.js $(TANKS_PKGDIR)/html
+	cp $(TANKS_BUILDDIR)/ctanks/procs.html $(TANKS_PKGDIR)/html
+	cp $(TANKS_BUILDDIR)/ctanks/designer.js $(TANKS_PKGDIR)/html
+
+	$(call COPYTREE, packages/tanks/service, $(TANKS_PKGDIR)/service)
+
+	$(call COPYTREE, $(TANKS_BUILDDIR)/ctanks/examples, $(TANKS_PKGDIR)/examples)
 
 tanks-clean:
-	rm -f $(TANKS_BUILDDIR)
+	rm -rf $(TANKS_BUILDDIR)
+
+PACKAGES += tanks

packages/tokens/src/arc4-main.c

@@ -1,4 +1,6 @@
 #include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
 #include <stdio.h>
 #include <sysexits.h>
 #include "arc4.h"
@@ -12,6 +14,7 @@ main(int argc, char *argv[])
   {
     uint8_t  key[256];
     size_t   keylen = 0;
+    char    *ekey   = getenv("KEY");
     FILE    *f;
 
     if (argc == 2) {
@@ -25,13 +28,19 @@ main(int argc, char *argv[])
     if (f) {
       keylen = fread(key, 1, sizeof(key), f);
       fclose(f);
+    } else if (ekey) {
+      keylen = strlen(ekey);
+      if (keylen > sizeof(key)) {
+        keylen = sizeof(key);
+      }
+      memcpy(key, ekey, keylen);
     }
 
     if (0 == keylen) {
       fprintf(stderr, "Usage: %s [KEYFILE] <PLAINTEXT\n", argv[0]);
       fprintf(stderr, "\n");
-      fprintf(stderr, "You can also pass in the key on fd 3; omit\n");
+      fprintf(stderr, "You can also pass in the key on fd 3 or in\n");
-      fprintf(stderr, "KEYFILE in this case.\n");
+      fprintf(stderr, "$KEY; omit KEYFILE in this case.\n");
       return EX_IOERR;
     }
     arc4_init(&ctx, key, (size_t)keylen);

packages/tokens/src/tokencli.c

@@ -44,8 +44,12 @@ main(int argc, char *argv[]) {
   if (argc != 3) {
     fprintf(stderr, "Usage: %s SERVICE SERVICEKEY 3>TOKENFILE\n", argv[0]);
     fprintf(stderr, "\n");
-    fprintf(stderr, "SERVICEKEY is a filenames.\n");
+    fprintf(stderr, "SERVICEKEY is a filename.\n");
+    fprintf(stderr, "Server chatter happens over stdin and stdout.\n");
     fprintf(stderr, "Tokens are written to file descriptor 3.\n");
+    fprintf(stderr, "\n");
+    fprintf(stderr, "To run with netcat:\n");
+    fprintf(stderr, "    nc server 1 -e tokencli cat cat.key 3> tokenfile\n");
     return EX_USAGE;
   }