cdromcheckin.php3 11.1 KB
Newer Older
1 2 3
<?php
#
# EMULAB-COPYRIGHT
4
# Copyright (c) 2000-2003 University of Utah and the Flux Group.
5 6 7 8 9 10 11 12 13 14 15 16 17
# All rights reserved.
#
require("defs.php3");

# These error codes must match whats in register.pl on the cd.
define("CDROMSTATUS_OKAY"	,	0);
define("CDROMSTATUS_MISSINGARGS",	100);
define("CDROMSTATUS_INVALIDARGS",	101);
define("CDROMSTATUS_BADCDKEY",		102);
define("CDROMSTATUS_BADPRIVKEY",	103);
define("CDROMSTATUS_BADIPADDR",		104);
define("CDROMSTATUS_BADREMOTEIP",	105);
define("CDROMSTATUS_IPADDRINUSE",	106);
18
define("CDROMSTATUS_UPGRADEERROR",	107);
19 20 21 22 23 24 25 26 27
define("CDROMSTATUS_OTHER",		199);

#
# Spit back a text message we can display to the user on the console
# of the node running the checkin. We could return an http error, but
# that would be of no help to the user on the other side.
# 
function SPITSTATUS($status)
{
Leigh B. Stoller's avatar
Leigh B. Stoller committed
28 29
    global $REMOTE_ADDR, $REQUEST_URI;
    
30 31
    header("Content-Type: text/plain");
    echo "emulab_status=$status\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
32

33 34 35 36
    if ($status) {
	    TBERROR("CDROM Checkin Error ($status) from $REMOTE_ADDR:\n\n".
		    "$REQUEST_URI\n", 0);
    }
37 38 39 40 41
}

#
# This page is not intended to be invoked by humans!
#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
42
if ((!isset($cdkey) || !strcmp($cdkey, ""))) {
43 44 45 46
    SPITSTATUS(CDROMSTATUS_MISSINGARGS);
    return;
}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
47
if (!ereg("[0-9a-zA-Z]+", $cdkey)) {
48 49 50 51
    SPITSTATUS(CDROMSTATUS_INVALIDARGS);
    return;
}

52 53 54 55 56 57 58 59 60
#
# Make sure this is a valid CDkey.
#
$query_result =
    DBQueryFatal("select * from cdroms where cdkey='$cdkey'");
if (! mysql_num_rows($query_result)) {
    SPITSTATUS(CDROMSTATUS_BADCDKEY);
    return;
}
61 62
$row    = mysql_fetch_array($query_result);
$cdvers = $row[version];
63

Leigh B. Stoller's avatar
Leigh B. Stoller committed
64 65
#
# Node is requesting latest instructions. Give it the script. This could
66
# be on a per CDROM basis, but for now its hardwired.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
67 68 69 70 71
# I know, the hardwired paths are bad; move into the cdroms DB table, even
# if duplicated. 
# 
if (isset($needscript)) {
    header("Content-Type: text/plain");
72 73 74 75 76 77 78 79 80

    if ($cdvers <= 3) {
	echo "MD5=5ed48bdf6def666d5a5d643cbc2ce4d0\n";
	echo "URL=https://${WWWHOST}/images/netbed-setup-v3.pl\n";
    }
    else {
	echo "URL=https://${WWWHOST}/images/netbed-setup-v4.pl\n";
	echo "SIG=https://${WWWHOST}/images/netbed-setup-v4.pl.sig\n";
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105
    echo "emulab_status=0\n";
    return;
}

#
# Otherwise, move onto config instructions.
#
if ((!isset($privkey) || !strcmp($privkey, "")) ||
    (!isset($IP) || !strcmp($IP, ""))) {
    SPITSTATUS(CDROMSTATUS_MISSINGARGS);
    return;
}

if (!ereg("[0-9a-zA-Z ]+", $privkey) ||
    !ereg("[0-9\.]+", $IP)) {
    SPITSTATUS(CDROMSTATUS_INVALIDARGS);
    return;
}

if (isset($wahostname) &&
    !ereg("[-_0-9a-zA-Z\.]+", $wahostname)) {
    SPITSTATUS(CDROMSTATUS_INVALIDARGS);
    return;
}

106 107 108 109 110 111 112 113 114 115 116 117 118
#
# Generate a nickname if given hostname.
#
unset($nickname);
if (isset($wahostname)) {
    if (strpos($wahostname, ".")) {
	$nickname = str_replace(".", "-", $wahostname);
    }
    else {
	$nickname = $wahostname;
    }
}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
119 120 121 122 123 124
if (isset($roottag) &&
    !ereg("[0-9a-zA-Z]+", $roottag)) {
    SPITSTATUS(CDROMSTATUS_INVALIDARGS);
    return;
}

125
#
126
# Grab the privkey record. First squeeze out any spaces.
127
#
128 129
$privkey = str_replace(" ", "", $privkey);

130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152
$query_result =
    DBQueryFatal("select * from widearea_privkeys where privkey='$privkey'");

if (!mysql_num_rows($query_result)) {
    SPITSTATUS(CDROMSTATUS_BADPRIVKEY);
    return;
}
$warow  = mysql_fetch_array($query_result);
$privIP = $warow[IP];

#
# If the node is reporting that its finished updating, then make its
# current privkey its nextprivkey.
# 
if (isset($updated) && $updated == 1) {
    if (! strcmp($privIP, "1.1.1.1")) {
        #
        # If the node is brand new, then need to create several records.
	# Pass it off to a perl script.
        #
	DBQueryFatal("update widearea_privkeys ".
		     "set IP='$IP' ".
		     "where privkey='$privkey'");
153

154 155 156 157
	$newargs = "-w -i $IP ";
	if (isset($nickname)) {
	    $newargs .= " -n $nickname ";
	}
158

159 160
	$type = "pcwa";
	if (isset($wahostname)) {
161 162 163 164 165
            #
            # XXX Parse hostname to see if a ron node.
	    # Silly, but effective since we will never have anything else
	    # besides wa/ron.
            #
166 167
	    if (strstr($wahostname, ".ron.") ||
		strstr($wahostname, "roncluster")) {
168 169 170
		$type = "pcron";
	    }
	}
171 172
	$newargs .= " -t $type ";
	SUEXEC("nobody", $TBADMINGROUP, "webnewwanode $newargs", 0);
173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194

	#
	# Send email to user reminding to register node.
	#
	$user_name = $warow[user_name];
	$user_email= $warow[user_email];
	$lockkey   = $warow[lockkey];

	TBMAIL("$user_name <$user_email>",
	   "Thanks for installing a NetBed CDROM!",
	   "It would be very helpful if you could please go to:\n".
	   "\n".
	   "    ${TBBASE}/widearea_register.php?cdkey=$lockkey&IP=$IP\n".
	   "\n".
	   "and tell us a few things about the node (processor, connection\n".
	   "type, geographical info, etc.). You can also register for a\n".
	   "local account on your node by providing this info to us.\n".
	   "\n".
	   "Thanks,\n".
	   "Testbed Operations\n",
	   "From: $TBMAIL_OPS\n".
	   "Errors-To: $TBMAIL_WWW");
195
    }
196

197 198
    DBQueryFatal("update widearea_privkeys ".
		 "set privkey=nextprivkey,updated=now(),nextprivkey=NULL ".
199
		 (isset($roottag) ? ",rootkey='$roottag'" : "") .
200 201
		 "where privkey='$privkey'");

202 203 204 205 206 207 208 209
    #
    # Check for image upgrade completed. Delete record. 
    #
    $query_result =
	DBQueryFatal("delete from widearea_updates ".
		     "where IP='$IP' and roottag='$roottag' and " .
		     "      update_started is not null");

210 211 212 213 214 215 216 217 218 219 220
    #
    # Update with new nickname. Nice if node changes its real hostname.
    #
    if (isset($nickname)) {
	$nodeid = TBIPtoNodeID($IP);
	if ($nodeid) {
	    DBQueryFatal("update reserved set vname='$nickname' ".
			 "where node_id='$nodeid'");
	}
    }

221 222 223 224 225 226 227 228 229 230 231 232 233
    SPITSTATUS(CDROMSTATUS_OKAY);
    return;
}

#
# If the record has a valid IP address and matches the node connecting
# then all we do is return a new private key.
#
if (strcmp($privIP, "1.1.1.1")) {
    if (strcmp($privIP, $IP)) {
	SPITSTATUS(CDROMSTATUS_BADIPADDR);
	return;
    }
234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260
#    if (strcmp($REMOTE_ADDR, $IP)) {
#	SPITSTATUS(CDROMSTATUS_BADREMOTEIP);
#	return;
#    }

    $upgrade_instructions = "";
    #
    # Check for image upgrade. Rather simplistic right now.
    #
    $query_result =
	DBQueryFatal("select * from widearea_updates where IP='$IP'");
    if (mysql_num_rows($query_result)) {
	$row     = mysql_fetch_array($query_result);
	$newroot = $row["roottag"];

	# Do not upgrade if the root tag already matches. ???
	if (!isset($roottag) || strcmp($roottag, $newroot)) {
	    $update  = 1;

	    DBQueryFatal("update widearea_updates set update_started=now() ".
			 "where IP='$IP'");

	    switch ($newroot) {
	    case "d326a1f604489c43b488fa80a88221f4":
		$upgrade_instructions =
		    "slice1_image=slice1.ndz\n" .
		    "slice1_sig=slice1.ndz.sig\n" .
261 262 263 264
		    "slice1_md5=d326a1f604489c43b488fa80a88221f4\n" .
		    "slicex_slice=3\n" .
		    "slicex_mount=/users";
		    
265 266 267 268 269 270
		break;
	    default:
		SPITSTATUS(CDROMSTATUS_UPGRADEERROR);
		break;
	    }
	}
271
    }
272 273

    #
274 275 276
    # Generate a new privkey and stash in the DB. Always stash the root
    # tag the node is running. If upgrading, it will be overwritten above
    # when it completes. This helps to figure out where things went wrong.
277 278 279
    #
    $newkey = GENHASH();
    DBQueryFatal("update widearea_privkeys ".
280
		 "set nextprivkey='$newkey',updated=now(),cdkey='$cdkey' ".
281
		 (isset($roottag) ? ",rootkey='$roottag'" : "") .
282 283 284 285
		 "where IP='$IP' and privkey='$privkey'");

    header("Content-Type: text/plain");
    echo "privkey=$newkey\n";
286
    echo "$upgrade_instructions\n";
287 288
    echo "emulab_status=0\n";
    
289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311
    return;
}

#
# We need to check for duplicate IPs. 
#
$query_result =
    DBQueryFatal("select * from widearea_privkeys where IP='$IP'");

if (mysql_num_rows($query_result)) {
    SPITSTATUS(CDROMSTATUS_IPADDRINUSE);
    return;
}

#
# Generate a new privkey and return the info. The DB is updated with the
# next key, but it does not become effective until it responds that it
# finished okay. This leaves a window open, but the eventual plan it to
# get rid of these priv keys anyway and go to per-node cert files we update
# on the fly.
# 
$newkey = GENHASH();
DBQueryFatal("update widearea_privkeys ".
312
	     "set nextprivkey='$newkey',updated=now(),cdkey='$cdkey'".
313 314
	     "where privkey='$privkey'");

315 316
header("Content-Type: text/plain");
echo "privkey=$newkey\n";
317
if ($cdvers == 1) {
Mike Hibler's avatar
Mike Hibler committed
318 319 320 321 322 323
    if (0) {
	# one shot setup for ISI (or anyone else who has a corrupt image)
	echo "fdisk=http://${WWWHOST}/images/image.fdisk\n";
	echo "slice1_image=http://${WWWHOST}/images/slice1-v1.ndz\n";
	echo "slice1_md5=2970e2cf045f5872c6728eeea3b51dae\n";
	echo "slicex_mount=/users\n";
324 325
	echo "slicex_tarball=http://${WWWHOST}/images/slicex-v2.tar.gz\n";
	echo "slicex_md5=a5274072a40ebf2fda8b8596a6e60e0d\n";
Mike Hibler's avatar
Mike Hibler committed
326 327 328 329 330
    } else {
	echo "fdisk=image.fdisk\n";
	echo "slice1_image=slice1.ndz\n";
	echo "slice1_md5=cb810b43f49d15b3ac4122ff42f8925d\n";
	echo "slicex_mount=/users\n";
331 332
	echo "slicex_tarball=http://${WWWHOST}/images/slicex.tar.gz\n";
	echo "slicex_md5=a5274072a40ebf2fda8b8596a6e60e0d\n";
Mike Hibler's avatar
Mike Hibler committed
333
    }
334
}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
335
elseif ($cdvers == 2) {
336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351
    if (0) {
	echo "fdisk=http://${WWWHOST}/images/image.fdisk\n";
	echo "slice1_image=http://${WWWHOST}/images/slice1-v2.ndz\n";
	echo "slice1_md5=402f00f2e46d22507cef3d19846b48f8\n";
	echo "slicex_mount=/users\n";
	echo "slicex_tarball=http://${WWWHOST}/images/slicex-v2.tar.gz\n";
	echo "slicex_md5=a5274072a40ebf2fda8b8596a6e60e0d\n";
    }
    else {
	echo "fdisk=image.fdisk\n";
	echo "slice1_image=slice1.ndz\n";
	echo "slice1_md5=402f00f2e46d22507cef3d19846b48f8\n";
	echo "slicex_mount=/users\n";
	echo "slicex_tarball=slicex.tar.gz\n";
	echo "slicex_md5=a5274072a40ebf2fda8b8596a6e60e0d\n";
    }
352
}
353
elseif ($cdvers == 3) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
354 355 356
    if (0) {
	echo "fdisk=http://${WWWHOST}/images/image.fdisk\n";
	echo "slice1_image=http://${WWWHOST}/images/slice1-v3.ndz\n";
357
	echo "slice1_md5=a9af4a08310a314c5b38e5e33a2b9c3e\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
358
	echo "slicex_slice=3\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
359 360 361 362 363 364 365
	echo "slicex_mount=/users\n";
	echo "slicex_tarball=http://${WWWHOST}/images/slicex-v3.tar.gz\n";
	echo "slicex_md5=0a3398cee6104850adaee7afbe75f008\n";
    }
    else {
	echo "fdisk=image.fdisk\n";
	echo "slice1_image=slice1.ndz\n";
366
	echo "slice1_md5=a9af4a08310a314c5b38e5e33a2b9c3e\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
367
	echo "slicex_slice=3\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
368 369 370 371 372
	echo "slicex_mount=/users\n";
	echo "slicex_tarball=slicex.tar.gz\n";
	echo "slicex_md5=0a3398cee6104850adaee7afbe75f008\n";
    }
}
373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398
else {
    if (0) {
	echo "fdisk=http://${WWWHOST}/images/image.fdisk\n";
	echo "fdisk_sig=https://${WWWHOST}/images/image.fdisk.sig\n";
	echo "slice1_image=http://${WWWHOST}/images/slice1-v4.ndz\n";
	echo "slice1_sig=https://${WWWHOST}/images/slice1-v4.ndz.sig\n";
	# Still return this for the root tag. Might change later.
	echo "slice1_md5=d326a1f604489c43b488fa80a88221f4\n";
	echo "slicex_slice=3\n";
	echo "slicex_mount=/users\n";
	echo "slicex_tarball=https://${WWWHOST}/images/slicex-v4.tar.gz\n";
	echo "slicex_sig=http://${WWWHOST}/images/slicex-v4.tar.gz.sig\n";
    }
    else {
	echo "fdisk=image.fdisk\n";
	echo "fdisk_sig=image.fdisk.sig\n";
	echo "slice1_image=slice1.ndz\n";
	echo "slice1_sig=slice1.ndz.sig\n";
	# Still return this for the root tag. Might change later.
	echo "slice1_md5=d326a1f604489c43b488fa80a88221f4\n";
	echo "slicex_slice=3\n";
	echo "slicex_mount=/users\n";
	echo "slicex_tarball=slicex.tar.gz\n";
	echo "slicex_sig=slicex.tar.gz.sig\n";
    }
}
399
echo "emulab_status=0\n";