├── .gitignore ├── LICENSE ├── README ├── README.rst ├── crypto.py ├── dbconf.py ├── src ├── dump.mysql └── dump.sqlite ├── yubikeys.sqlite ├── yubiserve.cfg ├── yubiserve.png └── yubiserve.py /.gitignore: -------------------------------------------------------------------------------- 1 | *.pyc 2 | .*.swp 3 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README: -------------------------------------------------------------------------------- 1 | Author & Version 2 | ================ 3 | 4 | YubiServe has been written by Alessio Periloso 5 | Version 1.0: 21/05/2010 6 | Version 2.0: 19/11/2010 7 | Version 2.9: 13/12/2010 8 | Version 3.0: 14/12/2010 9 | Version 3.1: 24/03/2011 10 | + Fixed issue #3, #4, #5, #6 11 | 12 | 13 | Description 14 | =========== 15 | This simple service allows to authenticate Yubikeys and OATH Tokens using 16 | only a small sqlite database (the mysql support is optional!) 17 | The code has been released under GNU license (license into LICENSE file) 18 | 19 | The project is divided into two parts: 20 | - The database management tool (dbconf.py) 21 | - The validation server (yubiserve.py) 22 | 23 | 24 | Installation 25 | ============ 26 | 27 | Installation is pretty simple, you just have to install few python packages: 28 | Under Debian, you can run:: 29 | 30 | apt-get install python python-crypto python-openssl 31 | 32 | If you want to add the sqlite support, you should run:: 33 | 34 | apt-get install python-sqlite 35 | 36 | Or, if you want to add the mysql support, you should run:: 37 | 38 | apt-get install python-mysqldb 39 | 40 | If you chose the mysql support, you must create a database and create the 41 | tables. The mysql dump is at src/dump.mysql. 42 | 43 | Then, you have to generate the certificate for ssl validation, so if you don't 44 | already have a certificate you have to issue the following command to self-sign 45 | one:: 46 | 47 | openssl req -new -x509 -keyout yubiserve.pem -out yubiserve.pem -days 365 -nodes 48 | 49 | A good idea would be taking a look at ``yubiserve.cfg'', to configure the validation server settings. 50 | 51 | After installing the needed packages, you just need to extract the files 52 | to a directory, add the keys and launch the server (or, if you prefer 53 | you can launch the server before adding the keys, it doesn't matter). 54 | 55 | 56 | The database management tool 57 | ============================ 58 | 59 | The database management tool helps you to manage keys in the database. 60 | For detailed help, run the database management tool with ./dbconf.py 61 | 62 | The tool allows you to add, delete, disable and enable keys/tokens. 63 | You can also add and remove API keys, to check the server signature in 64 | server responses. 65 | Everything is managed through nicknames, to make keys easy to remember 66 | who belong to. 67 | 68 | For example, to add a new yubikey, write:: 69 | 70 | ./dbconf.py -ya alessio vvkdtkjureru 980a8608b307 f1dc9c6585d600d06f9aae1abea2969e 71 | 72 | In this example, 'alessio' is the key nickname, 'vvkdtkjureru' is the 73 | key public identity (the one you can see at the beginning of your OTPs), 74 | '980a8608b307' is the private identity of the OTP (you can read it when 75 | you program your key), and the last parameter is the AES Key. 76 | 77 | 78 | To add a new OATH/HOTP:: 79 | 80 | ./dbconf.py -ha alessio 4rvn24642402 f03ddacdfebb6396f60d7045f41de68f5c5e1c3f 81 | 82 | In this other example, 'alessio' is still the nickname, '4rvn24642402' is 83 | the public identity of the token (it could be also 1, 2, 'alessio' or 84 | whatever you want; the Yubico implementation is 12 characters long) 85 | 86 | 87 | To add a new API key:: 88 | 89 | ./dbconf.py -aa alessio 90 | 91 | When you add a new API key, the configuration tool will return both 92 | the api key (ex. 'UkxFMnNFNTV4clRYUExSOWlONzQ=') and the API key id 93 | meant to be used later in your queries to the Yubiserve validation server. 94 | 95 | 96 | The Yubiserve Validation Server 97 | =============================== 98 | 99 | 100 | Understanding how to use the Yubiserve web application is pretty simple. 101 | You just have to run it (./yubiserve.py) and send your queries through 102 | HTTP GET connections. 103 | 104 | The default listening port is 8000, the default listening ip is 0.0.0.0 105 | (so you can connect to it from other machines). If you need it to answer 106 | only from local machine, you can change the ip to 127.0.0.1. 107 | 108 | The ssl port is by default the next one, so if the http validation server 109 | answers on port 8000, the ssl will answer on port 8001. 110 | 111 | Anyway, everything is easily customizable modifying the yubiserve.py file 112 | and changing the variables "yubiservePORT" for the HTTP port, "yubiserveSSLPORT" 113 | for the SSL port, "yubiserveHOST" for the listening ip. 114 | When you connect to the server (ex. http://192.168.0.1:8000/), it will 115 | answer with a simple page, asking you Yubico Yubikeys OTPs or OATH/HOTP 116 | tokens. 117 | 118 | The Yubico Yubikey needs only one parameter: the OTP. 119 | The OATH/HOTP tokens needs two parameters: the OTP itself (6 or 8 digits) 120 | and the Token Identifier. The token identifier can be any character string 121 | you prefer, or, according to the standard OATH implementation, the preceding 122 | string to the OTP. The Yubico implementation follows this standard. 123 | 124 | The Yubiserve Validation Server, according to the standard, will try to 125 | find the Token Identifier preceding the OTP. If the string is found, the 126 | OTP will be verified according to that string; in case of LCD tokens, 127 | the string is not automatically added, so you will need to insert your ID 128 | in the second box to allow the Validation Server to find your own identity. 129 | 130 | 131 | Querying the Yubiserve Validation Server 132 | ======================================== 133 | 134 | Querying the Yubiserve Validation Server is pretty simple. 135 | For Yubico Yubikeys, you will need to send a HTTP GET connection to: 136 | http://:/wsapi/2.0/verify?otp= 137 | ex.: http://192.168.0.1:8000/wsapi/2.0/verify?otp=vvnjbbkvjbcnhiretjvjfebbrdgrjjchdhtbderrdbhj 138 | This way you will try to authenticate to it, the simplest way possible. 139 | The response will be something like:: 140 | 141 | otp=vvnjbbkvjbcnhiretjvjfebbrdgrjjchdhtbderrdbhj 142 | status=OK 143 | t=2010-11-20T23:54:35 144 | h= 145 | 146 | As you can see, the 'h' parameter is not set, and this is because we didn't use 147 | the signature through API Key. To use it, just add the 'key=' 148 | parameter we had when we added the API Key. 149 | ex.: http://192.168.0.1:8000/wsapi/2.0/verify?otp=vvnjbbkvjbcnhiretjvjfebbrdgrjjchdhtbderrdbhj&id=1 150 | This time the response will be like:: 151 | 152 | otp=vvnjbbkvjbcnhiretjvjfebbrdgrjjchdhtbderrdbhj 153 | status=OK 154 | t=2010-11-21T00:00:03 155 | h=6lrhQPKo1I/RQA1KPnjpuiOvVMc= 156 | 157 | To check the server signature, check the source code (you will have to do the 158 | exact same procedure to generate it and then just check if they are equal), or 159 | rely on the Yubico documentation on Validation Servers. 160 | 161 | For OATH/HOTP keys, the query can be simplified or not. 162 | If your token supports the 'Token Identifier', like Yubico Yubikeys, you can just 163 | send one parameter, the generated string, and the Yubiserve Validation Server will 164 | take care of looking for your key informations in the database. 165 | If your token instead only generates the 6-8 digits, you will have to explicit 166 | your publicID through another parameter. 167 | So, you will have to query, via HTTP GET, the following address: 168 | http://:/wsapi/2.0/oathverify?otp=&publicid= 169 | ex.: http://192.168.0.1:8000/wsapi/2.0/oathverify?otp=80l944311056173483 170 | ex.: ex.: http://192.168.0.1:8000/wsapi/2.0/oathverify?otp=173483&publicid=80l944311056 171 | 172 | Both the examples works the same way: in the first case, the Token Identifier was 173 | inside the generated OTP (like in Yubico Yubikey implementation), in the second case 174 | an authentication through a LCD Token was made, so the Yubiserve needed to know who 175 | the token belonged to, and the publicid parameter was added. 176 | The response, like Yubico Yubikey queries, is the following:: 177 | 178 | otp=80l944311056173483 179 | status=OK 180 | t=2010-11-21T00:04:59 181 | h= 182 | 183 | The 'h' parameter is not set, because we didn't specified the API Key id. To use the 184 | server signature, we will need to add the 'id' parameter, like in the following query: 185 | ex.: http://192.168.1.2:8000/wsapi/2.0/oathverify?otp=80l944311056173483&id=1 186 | ex.: http://192.168.0.1:8000/wsapi/2.0/oathverify?otp=173483&publicid=80l944311056&id=1 187 | 188 | And this would be the the response:: 189 | 190 | otp=80l944311056173483 191 | status=OK 192 | t=2010-11-21T00:10:56 193 | h=vYoG9Av8uG6OqVkmMFuANi4fyWw= 194 | 195 | 196 | Final thoughts 197 | ============== 198 | 199 | That's all. Pretty simple, huh? 200 | Of course you can add new keys while the server is already running, without needing it 201 | to restart, and of course multiple queries a time are allowed, that's why the server 202 | is multithreaded. 203 | -------------------------------------------------------------------------------- /README.rst: -------------------------------------------------------------------------------- 1 | README -------------------------------------------------------------------------------- /crypto.py: -------------------------------------------------------------------------------- 1 | # coding: utf-8 2 | 3 | 4 | class OATHValidator(object): 5 | STATUS_OK = 'OK' 6 | STATUS_BAD = 'BAD' 7 | STATUS_NO_AUTH = 'NO_AUTH' 8 | STATUS_NO_CLIENT = 'NO_CLIENT' 9 | 10 | def __init__(self, dbread_callback, dbwrite_callback): 11 | self.dbread_callback = dbread_callback 12 | self.dbwrite_callback = dbwrite_callback 13 | 14 | def test_HOTP(self, K, C, digits=6): 15 | counter = ('%s' % C).rjust(16, '0').decode('hex') 16 | HS = hmac.new(K, counter, hashlib.sha1).digest() 17 | offset = ord(HS[19]) & 0xF 18 | bin_code = int((chr(ord(HS[offset]) & 0x7F) + HS[offset+1:offset+4]).encode('hex'), 16) 19 | return str(bin_code)[-digits:] 20 | 21 | def validate_OATH(self, OATH, publicID): 22 | if len(OATH) % 2 != 0: 23 | return self.STATUS_BAD 24 | 25 | token_data = self.dbread_callback(publicID=publicID) 26 | if token_data.rowcount != 1: 27 | return self.STATUS_BAD 28 | 29 | (actualcounter, key) = token_data.fetchone() 30 | 31 | K = key.decode('hex') 32 | for C in range(actualcounter + 1, actualcounter + 256): 33 | if OATH == self.test_HOTP(K, C, len(OATH)): 34 | self.dbwrite_callback(counter=str(C), publicID=publicID) 35 | return self.STATUS_OK 36 | 37 | return self.STATUS_NO_AUTH 38 | -------------------------------------------------------------------------------- /dbconf.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/python 2 | import time, random, re, os 3 | from sys import argv 4 | 5 | try: 6 | import MySQLdb 7 | except ImportError: 8 | pass 9 | try: 10 | import sqlite 11 | except ImportError: 12 | pass 13 | 14 | def parseConfigFile(): # Originally I wrote this function to parse PHP configuration files! 15 | config = open(os.path.dirname(os.path.realpath(__file__)) + '/yubiserve.cfg', 'r').read().splitlines() 16 | keys = {} 17 | for line in config: 18 | match = re.search('(.*?)=(.*);', line) 19 | try: # Check if it's a string or a number 20 | if ((match.group(2).strip()[0] != '"') and (match.group(2).strip()[0] != '\'')): 21 | keys[match.group(1).strip()] = int(match.group(2).strip()) 22 | else: 23 | keys[match.group(1).strip()] = match.group(2).strip('"\' ') 24 | except: 25 | pass 26 | return keys 27 | 28 | def randomChars(max): 29 | retVal = '' 30 | for i in range(0, max): 31 | rand = random.randrange(0, 63) 32 | if (rand>36): 33 | retVal += chr(rand-36+96) # Starting with 'a' 34 | elif (rand>10): 35 | retVal += chr(rand-10+64) # Starting with 'A' 36 | else: # Starting with '0' 37 | retVal += chr(rand+47) 38 | return retVal 39 | 40 | config = parseConfigFile() 41 | try: 42 | if MySQLdb != None: 43 | isThereMysql = True 44 | except NameError: 45 | isThereMysql = False 46 | 47 | try: 48 | if sqlite != None: 49 | isThereSqlite = True 50 | except NameError: 51 | isThereSqlite = False 52 | 53 | if isThereMysql == isThereSqlite == False: 54 | print "Cannot continue without any database support.\nPlease read README.\n\n" 55 | quit() 56 | 57 | if config['yubiDB'] == 'mysql' and (config['yubiMySQLHost'] == '' or config['yubiMySQLUser'] == '' or config['yubiMySQLPass'] == '' or config['yubiMySQLName'] == ''): 58 | print "Cannot continue without any MySQL configuration.\nPlease read README.\n\n" 59 | quit() 60 | 61 | try: 62 | if config['yubiDB'] == 'sqlite': 63 | con = sqlite.connect(os.path.dirname(os.path.realpath(__file__)) + '/yubikeys.sqlite') 64 | elif config['yubiDB'] == 'mysql': 65 | con = MySQLdb.connect(host=config['yubiMySQLHost'], user=config['yubiMySQLUser'], passwd=config['yubiMySQLPass'], db=config['yubiMySQLName']) 66 | except: 67 | print "There's a problem with the database!\n" 68 | cur = con.cursor() 69 | 70 | if (len(argv)<2): 71 | print ' == YubiServe Key Management Tool 2.0 ==\n' 72 | print ' -ya \tAdd a new Yubikey' 73 | print ' -yk \t\t\t\t\tDelete a Yubikey' 74 | print ' -yd \t\t\t\t\tDisable a Yubikey' 75 | print ' -ye \t\t\t\t\tEnable a Yubikey' 76 | print ' -yl\t\t\t\t\t\tList all yubikeys in database\n' 77 | 78 | print ' -ha \t\tAdd a new OATH token' 79 | print ' -hk \t\t\t\t\tDelete a OATH token' 80 | print ' -hd \t\t\t\t\tDisable a OATH token' 81 | print ' -he \t\t\t\t\tEnable a OATH token' 82 | print ' -hl\t\t\t\t\t\tList all OATH tokens in database\n' 83 | 84 | print ' -aa \t\t\t\t\tGenerate an API Key' 85 | print ' -ak \t\t\t\t\tRemove an API Key' 86 | print ' -al\t\t\t\t\t\tList all API Keys in database\n' 87 | 88 | else: 89 | if argv[1][0:2] == '-y': # Yubico Yubikey 90 | if (argv[1][2] == 'd') and (len(argv)>2): 91 | nickname = re.escape(argv[2]) 92 | cur.execute("SELECT * FROM yubikeys WHERE nickname = '" + nickname + "'") 93 | if (cur.rowcount == 0): 94 | print 'Key not found.' 95 | else: 96 | cur.execute("SELECT * FROM yubikeys WHERE nickname = '" + nickname + "' AND active = '1'") 97 | if (cur.rowcount == 1): 98 | cur.execute("UPDATE yubikeys SET active = '1' WHERE nickname = '" + nickname + "'") 99 | print "Key '" + nickname + "' disabled." 100 | con.commit() 101 | else: 102 | print 'Key is already disabled.' 103 | 104 | elif (argv[1][2] == 'e') and (len(argv)>2): 105 | nickname = re.escape(argv[2]) 106 | cur.execute("SELECT * FROM yubikeys WHERE nickname = '" + nickname + "'") 107 | if (cur.rowcount == 0): 108 | print 'Key not found.' 109 | else: 110 | cur.execute("SELECT * FROM yubikeys WHERE nickname = '" + nickname + "' AND active = '1'") 111 | if (cur.rowcount == 1): 112 | cur.execute("UPDATE yubikeys SET active = '1' WHERE nickname = '" + nickname + "'") 113 | print "Key '" + nickname + "' enabled." 114 | con.commit() 115 | else: 116 | print 'Key is already enabled.' 117 | elif (argv[1][2] == 'k') and (len(argv)>2): 118 | nickname = re.escape(argv[2]) 119 | cur.execute("SELECT * FROM yubikeys WHERE nickname = '" + nickname + "'") 120 | if (cur.rowcount == 0): 121 | print 'Key not found.' 122 | else: 123 | cur.execute("DELETE FROM yubikeys WHERE nickname = '" + nickname + "'") 124 | print "Key '" + nickname + "' deleted." 125 | con.commit() 126 | elif (argv[1][2] == 'a') and (len(argv)>4): 127 | nickname = re.escape(argv[2]) 128 | if ((len(argv[2])<=16) and (len(argv[3]) <= 16) and (len(argv[4]) <= 12) and (len(argv[5])<=32)): 129 | cur.execute("SELECT * FROM yubikeys WHERE nickname = '" + argv[2] + "' OR publicname = '" + argv[3] + "'") 130 | if (cur.rowcount == 0): 131 | cur.execute("INSERT INTO yubikeys VALUES ('" + argv[2] + "', '" + argv[3] + "', '" + time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()) + "', '" + argv[4] + "', '" + argv[5] + "', 1, 1, 1)") 132 | con.commit() 133 | print "Key '" + argv[2] + "' added to database." 134 | else: 135 | print 'Key is already into database. Delete it before adding the same key!' 136 | else: 137 | print 'Nickname and publicid must be max 16 characters long.' 138 | print 'Secretid must be 12 characters max, aeskey must be 32 characters max.\n' 139 | quit() 140 | elif (argv[1][2] == 'l'): 141 | cur.execute('SELECT nickname, publicname, active FROM yubikeys') 142 | if cur.rowcount != 0: 143 | print " " + str(cur.rowcount) + " keys into database:" 144 | print '[Nickname]\t\t>> [PublicID]' 145 | for i in range(0, cur.rowcount): 146 | (nickname, publicname, active) = cur.fetchone() 147 | print ' ' + nickname + ' ' * (23-len(nickname)) + ">> " + publicname + ' ' * (21-len(publicname)) + ">> " + active 148 | print '' 149 | else: 150 | print 'No keys in database\n' 151 | else: 152 | print 'Not enough parameters. Try looking at ' + argv[0] + ' --help' 153 | elif argv[1][0:2] == '-h': 154 | if (argv[1][2] == 'd') and (len(argv)>2): 155 | nickname = re.escape(argv[2]) 156 | cur.execute("SELECT * FROM oathtokens WHERE nickname = '" + nickname + "'") 157 | if (cur.rowcount == 0): 158 | print 'Key not found.' 159 | else: 160 | cur.execute("SELECT * FROM oathtokens WHERE nickname = '" + nickname + "' AND active = '1'") 161 | if (cur.rowcount == 1): 162 | cur.execute("UPDATE oathtokens SET active = '1' WHERE nickname = '" + nickname + "'") 163 | print "Key '" + nickname + "' disabled." 164 | con.commit() 165 | else: 166 | print 'Key is already disabled.' 167 | 168 | elif (argv[1][2] == 'e') and (len(argv)>2): 169 | nickname = re.escape(argv[2]) 170 | cur.execute("SELECT * FROM oathtokens WHERE nickname = '" + nickname + "'") 171 | if (cur.rowcount == 0): 172 | print 'Key not found.' 173 | else: 174 | cur.execute("SELECT * FROM oathtokens WHERE nickname = '" + nickname + "' AND active = '1'") 175 | if (cur.rowcount == 1): 176 | cur.execute("UPDATE oathtokens SET active = '1' WHERE nickname = '" + nickname + "'") 177 | print "Key '" + nickname + "' enabled." 178 | con.commit() 179 | else: 180 | print 'Key is already enabled.' 181 | elif (argv[1][2] == 'k') and (len(argv)>2): 182 | nickname = re.escape(argv[2]) 183 | cur.execute("SELECT * FROM oathtokens WHERE nickname = '" + nickname + "'") 184 | if (cur.rowcount == 0): 185 | print 'Key not found.' 186 | else: 187 | cur.execute("DELETE FROM oathtokens WHERE nickname = '" + nickname + "'") 188 | print "Key '" + nickname + "' deleted." 189 | con.commit() 190 | elif (argv[1][2] == 'a') and (len(argv)>3): 191 | nickname = re.escape(argv[2]) 192 | if (len(argv[2])<=16) and (len(argv[3]) <= 16) and (len(argv[4]) <= 40): 193 | cur.execute("SELECT * FROM oathtokens WHERE nickname = '" + argv[2] + "' OR publicname = '" + argv[3] + "'") 194 | if (cur.rowcount == 0): 195 | cur.execute("INSERT INTO oathtokens VALUES ('" + nickname + "', '" + argv[3] + "', '" + time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()) + "', '" + argv[4] + "', 1, 1)") 196 | con.commit() 197 | print "Key '" + argv[2] + "' added to database." 198 | else: 199 | print 'Key is already into database. Delete it before adding the same key!' 200 | else: 201 | print 'Nickname and publicid must be max 16 characters long.' 202 | print 'Secret key must be 40 characters max.\n' 203 | quit() 204 | elif (argv[1][2] == 'l'): 205 | cur.execute('SELECT nickname, publicname FROM oathtokens') 206 | if cur.rowcount != 0: 207 | print " " + str(cur.rowcount) + " keys into database:" 208 | print '[Nickname]\t\t>> [PublicID]' 209 | for i in range(0, cur.rowcount): 210 | (nickname, publicname) = cur.fetchone() 211 | print ' ' + nickname + ' ' * (23-len(nickname)) + ">> " + publicname 212 | print '' 213 | else: 214 | print 'No keys in database\n' 215 | else: 216 | print 'Not enough parameters. Try looking at ' + argv[0] + ' --help' 217 | elif argv[1][0:2] == '-a': 218 | if (argv[1][2] == 'a') and (len(argv)>2): 219 | nickname = re.escape(argv[2]) 220 | cur.execute("SELECT * FROM apikeys WHERE nickname = '" + nickname + "'") 221 | if (cur.rowcount != 0): 222 | print 'API Key for this nickname is already present. Remove it or choose another one.\n' 223 | quit() 224 | cur.execute('SELECT id FROM apikeys ORDER BY id DESC LIMIT 1') 225 | if (cur.rowcount != 0): 226 | id = cur.fetchone()[0] + 1 227 | else: 228 | id = 1 229 | api_key = randomChars(20) 230 | cur.execute("INSERT INTO apikeys VALUES ('" + nickname + "', '" + api_key + "', '" + str(id) + "')") 231 | con.commit() 232 | print "New API Key for '" + nickname + "': '" + api_key.encode('base64').strip() + "'" 233 | print "Your API Key ID is: " + str(id) + "\n" 234 | elif (argv[1][2] == 'k') and (len(argv)>2): 235 | nickname = re.escape(argv[2]) 236 | cur.execute("SELECT * FROM apikeys WHERE nickname = '" + nickname + "'") 237 | if (cur.rowcount == 0): 238 | print "API Key for this nickname Doesn't exists!\n" 239 | quit() 240 | cur.execute("DELETE FROM apikeys WHERE nickname = '" + nickname + "'") 241 | con.commit() 242 | print "API Key for '" + nickname + "' has been deleted.\n" 243 | elif (argv[1][2] == 'l'): 244 | cur.execute('SELECT nickname FROM apikeys') 245 | if cur.rowcount != 0: 246 | print ' ' + str(cur.rowcount) + ' keys into database:' 247 | print '[Nickname]' 248 | for i in range(0, cur.rowcount): 249 | nickname = cur.fetchone()[0] 250 | print ' ' + nickname 251 | print '' 252 | else: 253 | print 'No keys in database\n' 254 | 255 | -------------------------------------------------------------------------------- /src/dump.mysql: -------------------------------------------------------------------------------- 1 | SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO"; 2 | 3 | 4 | /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; 5 | /*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; 6 | /*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; 7 | /*!40101 SET NAMES utf8 */; 8 | 9 | -- 10 | -- Database: `yubikeys` 11 | -- 12 | 13 | -- -------------------------------------------------------- 14 | 15 | -- 16 | -- Table `apikeys` 17 | -- 18 | 19 | CREATE TABLE IF NOT EXISTS `apikeys` ( 20 | `nickname` varchar(16) default NULL, 21 | `secret` varchar(28) default NULL, 22 | `id` int(11) NOT NULL, 23 | PRIMARY KEY (`id`) 24 | ) ENGINE=MyISAM DEFAULT CHARSET=utf8; 25 | 26 | -- -------------------------------------------------------- 27 | 28 | -- 29 | -- Table `oathtokens` 30 | -- 31 | 32 | CREATE TABLE IF NOT EXISTS `oathtokens` ( 33 | `nickname` varchar(16) NOT NULL, 34 | `publicname` varchar(12) NOT NULL, 35 | `created` varchar(24) NOT NULL, 36 | `secret` varchar(40) NOT NULL, 37 | `active` tinyint(1) default '1', 38 | `counter` int(11) NOT NULL default '1', 39 | UNIQUE KEY `nickname` (`nickname`), 40 | UNIQUE KEY `publicname` (`publicname`) 41 | ) ENGINE=MyISAM DEFAULT CHARSET=utf8; 42 | 43 | -- -------------------------------------------------------- 44 | 45 | -- 46 | -- Table `yubikeys` 47 | -- 48 | 49 | CREATE TABLE IF NOT EXISTS `yubikeys` ( 50 | `nickname` varchar(16) NOT NULL, 51 | `publicname` varchar(16) NOT NULL, 52 | `created` varchar(24) NOT NULL, 53 | `internalname` varchar(12) NOT NULL, 54 | `aeskey` varchar(32) NOT NULL, 55 | `active` tinyint(1) default '1', 56 | `counter` int(11) NOT NULL default '1', 57 | `time` int(11) NOT NULL default '1', 58 | UNIQUE KEY `nickname` (`nickname`), 59 | UNIQUE KEY `publicname` (`publicname`) 60 | ) ENGINE=MyISAM DEFAULT CHARSET=utf8; 61 | 62 | -------------------------------------------------------------------------------- /src/dump.sqlite: -------------------------------------------------------------------------------- 1 | BEGIN TRANSACTION; 2 | create table yubikeys( 3 | nickname varchar(16) unique not null, 4 | publicname varchar(16) unique not null, 5 | created varchar(24) not null, 6 | internalname varchar(12) not null, 7 | aeskey varchar(32) not null, 8 | active boolean default true, 9 | counter integer not null default 1, 10 | time integer not null default 1 11 | ); 12 | create table oathtokens( 13 | nickname varchar(16) unique not null, 14 | publicname varchar(12) unique not null, 15 | created varchar(24) not null, 16 | secret varchar(40) not null, 17 | active boolean default true, 18 | counter integer not null default 1 19 | ); 20 | create table apikeys( 21 | nickname varchar(16), 22 | secret varchar(28), 23 | id integer primary key 24 | ); 25 | COMMIT; 26 | -------------------------------------------------------------------------------- /yubikeys.sqlite: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/rbarrois/yubico-yubiserve/5d9baff9ca5415d948dfb67b7923d5812d3fdf0b/yubikeys.sqlite -------------------------------------------------------------------------------- /yubiserve.cfg: -------------------------------------------------------------------------------- 1 | yubiservePORT = 8000; 2 | yubiserveSSLPORT = 8001; 3 | yubiserveHOST = '0.0.0.0'; 4 | yubiDB = 'sqlite'; 5 | #yubiDB = 'mysql'; 6 | yubiMySQLHost = 'localhost'; 7 | yubiMySQLUser = 'yubiserve'; 8 | yubiMySQLPass = 'yubipass'; 9 | yubiMySQLName = 'yubikeys'; 10 | -------------------------------------------------------------------------------- /yubiserve.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/rbarrois/yubico-yubiserve/5d9baff9ca5415d948dfb67b7923d5812d3fdf0b/yubiserve.png -------------------------------------------------------------------------------- /yubiserve.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/python 2 | # coding: utf-8 3 | 4 | import BaseHTTPServer 5 | import SocketServer 6 | import hashlib 7 | import hmac 8 | import os 9 | import re 10 | import socket 11 | import time 12 | import urllib 13 | import urlparse 14 | 15 | from threading import Thread 16 | from Crypto.Cipher import AES 17 | from OpenSSL import SSL 18 | 19 | import crypto 20 | 21 | try: 22 | import MySQLdb 23 | except ImportError: 24 | pass 25 | try: 26 | import sqlite 27 | except ImportError: 28 | pass 29 | 30 | def parseConfigFile(): # Originally I wrote this function to parse PHP configuration files! 31 | config = open(os.path.dirname(os.path.realpath(__file__)) + '/yubiserve.cfg', 'r').read().splitlines() 32 | keys = {} 33 | for line in config: 34 | match = re.search('(.*?)=(.*);', line) 35 | try: # Check if it's a string or a number 36 | if ((match.group(2).strip()[0] != '"') and (match.group(2).strip()[0] != '\'')): 37 | keys[match.group(1).strip()] = int(match.group(2).strip()) 38 | else: 39 | keys[match.group(1).strip()] = match.group(2).strip('"\' ') 40 | except: 41 | pass 42 | return keys 43 | 44 | config = parseConfigFile() 45 | 46 | 47 | class OATHValidator(crypto.OATHValidator): 48 | 49 | def __init__(self, connection): 50 | cur = connection.cursor() 51 | def dbread(publicID): 52 | cur.execute(""" 53 | SELECT counter, secret 54 | FROM oathtokens 55 | WHERE publicname = %s AND active = '1' 56 | """, (publicID,)) 57 | return cur 58 | 59 | def dbwrite(counter, publicID): 60 | cur.execute(""" 61 | UPDATE oathtokens 62 | SET counter = %s 63 | WHERE publicname = %s AND active = '1' 64 | """, (counter, publicID)) 65 | connection.commit() 66 | 67 | return super(OATHValidator, self).__init__(dbread, dbwrite) 68 | 69 | 70 | class OTPValidation(): 71 | 72 | def __init__(self, connection): 73 | self.status = {'OK': 1, 'BAD_OTP': 2, 'REPLAYED_OTP': 3, 'DELAYED_OTP': 4, 'NO_CLIENT': 5} 74 | self.validationResult = 0 75 | self.con = connection 76 | 77 | def hexdec(self, hex): 78 | return int(hex, 16) 79 | 80 | def modhex2hex(self, string): 81 | hex = "0123456789abcdef" 82 | modhex = "cbdefghijklnrtuv" 83 | retVal = '' 84 | for i in range (0, len(string)): 85 | pos = modhex.find(string[i]) 86 | if pos > -1: 87 | retVal += hex[pos] 88 | else: 89 | raise Exception, '"' + string[i] + '": Character is not a valid hex string' 90 | return retVal 91 | 92 | def CRC(self): 93 | crc = 0xffff; 94 | for i in range(0, 16): 95 | b = self.hexdec(self.plaintext[i*2] + self.plaintext[(i*2)+1]) 96 | for j in range(0, 8): 97 | n = crc & 1 98 | crc = crc >> 1 99 | if n != 0: 100 | crc = crc ^ 0x8408 101 | self.OTPcrc = crc 102 | return [crc] 103 | 104 | def isCRCValid(self): 105 | return (self.crc == 0xf0b8) 106 | 107 | def aes128ecb_decrypt(self, aeskey, aesdata): 108 | return AES.new(aeskey.decode('hex'), AES.MODE_ECB).decrypt(aesdata.decode('hex')).encode('hex') 109 | 110 | def getResult(self): 111 | return self.validationResult 112 | 113 | def getResponse(self): 114 | return self.validationResponse 115 | 116 | def validateOTP(self, OTP): 117 | self.OTP = re.escape(OTP) 118 | self.validationResult = 0 119 | if (len(OTP) <= 32) or (len(OTP) > 48): 120 | self.validationResult = self.status['BAD_OTP'] 121 | return self.validationResult 122 | match = re.search('([cbdefghijklnrtuv]{0,16})([cbdefghijklnrtuv]{32})', re.escape(OTP)) 123 | try: 124 | if match.group(1) and match.group(2): 125 | self.userid = match.group(1) 126 | self.token = self.modhex2hex(match.group(2)) 127 | cur = self.con.cursor() 128 | cur.execute('SELECT aeskey, internalname FROM yubikeys WHERE publicname = "' + self.userid + '" AND active = "1"') 129 | if (cur.rowcount != 1): 130 | self.validationResult = self.status['BAD_OTP'] 131 | return self.validationResult 132 | (self.aeskey, self.internalname) = cur.fetchone() 133 | self.plaintext = self.aes128ecb_decrypt(self.aeskey, self.token) 134 | uid = self.plaintext[:12] 135 | if (self.internalname != uid): 136 | self.validationResult = self.status['BAD_OTP'] 137 | return self.validationResult 138 | if not (self.CRC() or self.isCRCValid()): 139 | self.validationResult = self.status['BAD_OTP'] 140 | return self.validationResult 141 | self.internalcounter = self.hexdec(self.plaintext[14:16] + self.plaintext[12:14] + self.plaintext[22:24]) 142 | self.timestamp = self.hexdec(self.plaintext[20:22] + self.plaintext[18:20] + self.plaintext[16:18]) 143 | cur.execute('SELECT counter, time FROM yubikeys WHERE publicname = "' + self.userid + '" AND active = "1"') 144 | if (cur.rowcount != 1): 145 | self.validationResult = self.status['BAD_OTP'] 146 | return self.validationResult 147 | (self.counter, self.time) = cur.fetchone() 148 | if (self.counter) >= (self.internalcounter): 149 | self.validationResult = self.status['REPLAYED_OTP'] 150 | return self.validationResult 151 | if (self.time >= self.timestamp) and ((self.counter >> 8) == (self.internalcounter >> 8)): 152 | self.validationResult = self.status['DELAYED_OTP'] 153 | return self.validationResult 154 | except IndexError: 155 | self.validationResult = self.status['BAD_OTP'] 156 | return self.validationResult 157 | self.validationResult = self.status['OK'] 158 | cur.execute('UPDATE yubikeys SET counter = ' + str(self.internalcounter) + ', time = ' + str(self.timestamp) + ' WHERE publicname = "' + self.userid + '"') 159 | self.con.commit() 160 | return self.validationResult 161 | 162 | class YubiServeHandler (BaseHTTPServer.BaseHTTPRequestHandler): 163 | __base = BaseHTTPServer.BaseHTTPRequestHandler 164 | __base_handle = __base.handle 165 | 166 | server_version = 'Yubiserve/3.0' 167 | 168 | global config 169 | #try: 170 | if config['yubiDB'] == 'sqlite': 171 | con = sqlite.connect(os.path.dirname(os.path.realpath(__file__)) + '/yubikeys.sqlite') 172 | elif config['yubiDB'] == 'mysql': 173 | con = MySQLdb.connect(host=config['yubiMySQLHost'], user=config['yubiMySQLUser'], passwd=config['yubiMySQLPass'], db=config['yubiMySQLName']) 174 | #except: 175 | # print "There's a problem with the database!\n" 176 | # quit() 177 | 178 | def getToDict(self, qs): 179 | dict = {} 180 | for singleValue in qs.split('&'): 181 | keyVal = singleValue.split('=') 182 | dict[urllib.unquote_plus(keyVal[0])] = urllib.unquote_plus(keyVal[1]) 183 | return dict 184 | 185 | def setup(self): 186 | self.connection = self.request 187 | self.rfile = socket._fileobject(self.request, "rb", self.rbufsize) 188 | self.wfile = socket._fileobject(self.request, "wb", self.wbufsize) 189 | 190 | def log_message(self, format, *args): 191 | pass 192 | 193 | def do_GET(self): 194 | (scm, netloc, path, params, query, fragment) = urlparse.urlparse(self.path, 'http') 195 | if scm != 'http': 196 | self.send_error(501, "The server does not support the facility required.") 197 | return 198 | if (path != '/wsapi/2.0/verify') and (path != '/wsapi/2.0/oathverify'): 199 | self.send_response(200) 200 | self.send_header('Content-type', 'text/html') 201 | self.end_headers() 202 | self.wfile.write('') 203 | # Yubico Yubikey 204 | self.wfile.write('Yubico Yubikeys:


') 205 | # OATH HOTP 206 | self.wfile.write('OATH/HOTP tokens:


') 207 | self.wfile.write('') 208 | 209 | elif path == '/wsapi/2.0/verify': # Yubico Yubikey 210 | try: 211 | if len(query) > 0: 212 | getData = self.getToDict(query) 213 | otpvalidation = OTPValidation(self.con) 214 | validation = otpvalidation.validateOTP(getData['otp']) 215 | self.send_response(200) 216 | self.send_header('Content-type', 'text/plain') 217 | self.end_headers() 218 | iso_time = time.strftime("%Y-%m-%dT%H:%M:%S") 219 | try: 220 | result = 't=' + iso_time + '\r\notp=' + getData['otp'] + '\r\nnonce=' + getData['nonce'] + '\r\nsl=100\r\nstatus=' + [k for k, v in otpvalidation.status.iteritems() if v == validation][0] + '\r\n' 221 | orderedResult = 'nonce=' + getData['nonce'] + '&otp=' + getData['otp'] + '&sl=100&status=' + [k for k, v in otpvalidation.status.iteritems() if v == validation][0] + '&t=' + iso_time 222 | except KeyError: 223 | result = 't=' + iso_time + '\r\notp=' + getData['otp'] + '\r\nnonce=\r\nsl=100\r\nstatus=' + [k for k, v in otpvalidation.status.iteritems() if v == validation][0] + '\r\n' 224 | orderedResult = 'nonce=&otp=' + getData['otp'] + 'sl=100&status=' + [k for k, v in otpvalidation.status.iteritems() if v == validation][0] + '&t=' + iso_time 225 | otp_hmac = '' 226 | try: 227 | if (getData['id'] != None): 228 | apiID = re.escape(getData['id']) 229 | cur = self.con.cursor() 230 | cur.execute("SELECT secret from apikeys WHERE id = '" + apiID + "'") 231 | if cur.rowcount != 0: 232 | api_key = cur.fetchone()[0] 233 | otp_hmac = hmac.new(api_key, msg=orderedResult, digestmod=hashlib.sha1).hexdigest().decode('hex').encode('base64').strip() 234 | else: 235 | result = 't=' + iso_time + '\r\notp=' + getData['otp'] + '\r\nstatus=NO_CLIENT\r\n' 236 | except KeyError: 237 | pass 238 | self.wfile.write('h=' + otp_hmac + '\r\n' + result + '\r\n') 239 | return 240 | 241 | except KeyError: 242 | pass 243 | 244 | self.send_response(200) 245 | self.send_header('Content-type', 'text/plain') 246 | self.end_headers() 247 | iso_time = time.strftime("%Y-%m-%dT%H:%M:%S") 248 | result = 't=' + iso_time + '\r\notp=\r\nnonce=\r\nstatus=MISSING_PARAMETER\r\n' 249 | orderedResult = 'nonce=&otp=&status=MISSING_PARAMETER&t=' + iso_time 250 | otp_hmac = '' 251 | try: 252 | if (getData['id'] != None): 253 | apiID = re.escape(getData['id']) 254 | cur = self.con.cursor() 255 | cur.execute("SELECT secret from apikeys WHERE id = '" + apiID + "'") 256 | if cur.rowcount != 0: 257 | api_key = cur.fetchone()[0] 258 | otp_hmac = hmac.new(api_key, msg=orderedResult, digestmod=hashlib.sha1).hexdigest().decode('hex').encode('base64').strip() 259 | except KeyError: 260 | pass 261 | 262 | self.wfile.write('h=' + otp_hmac + '\r\n' + result + '\r\n') 263 | return 264 | 265 | elif path == '/wsapi/2.0/oathverify': # OATH HOTP 266 | try: 267 | getData = self.getToDict(query) 268 | if (len(query) > 0) and ((len(getData['otp']) == 6) or (len(getData['otp']) == 8) or (len(getData['otp']) == 18) or (len(getData['otp']) == 20)): 269 | 270 | oathvalidation = OATHValidator(self.con) 271 | OTP = getData['otp'] 272 | if (len(OTP) == 18) or (len(OTP) == 20): 273 | publicID = OTP[0:12] 274 | OTP = OTP[12:] 275 | elif (len(OTP) == 6) or (len(OTP) == 8): 276 | if len(getData['publicid'])>0: 277 | publicID = getData['publicid'] 278 | else: 279 | raise KeyError 280 | 281 | validation = oathvalidation.validateOATH(OTP, publicID) 282 | self.send_response(200) 283 | self.send_header('Content-type', 'text/plain') 284 | self.end_headers() 285 | iso_time = time.strftime("%Y-%m-%dT%H:%M:%S") 286 | result = 'otp=' + getData['otp'] + '\r\nstatus=' + validation + '\r\nt=' + iso_time 287 | otp_hmac = '' 288 | try: 289 | if (getData['id'] != None): 290 | apiID = re.escape(getData['id']) 291 | cur = self.con.cursor() 292 | cur.execute("SELECT secret from apikeys WHERE id = '" + apiID + "'") 293 | if cur.rowcount != 0: 294 | api_key = cur.fetchone()[0] 295 | otp_hmac = hmac.new(api_key, msg=result, digestmod=hashlib.sha1).hexdigest().decode('hex').encode('base64').strip() 296 | else: 297 | result = 'otp=' + getData['otp'] + '\r\nstatus=NO_CLIENT\r\nt=' + iso_time 298 | except KeyError: 299 | pass 300 | self.wfile.write(result + '\r\nh=' + otp_hmac) 301 | return 302 | else: 303 | self.send_response(200) 304 | self.send_header('Content-type', 'text/plain') 305 | self.end_headers() 306 | iso_time = time.strftime("%Y-%m-%dT%H:%M:%S") 307 | result = 'otp=\r\nstatus=BAD_OTP\r\nt=' + iso_time 308 | otp_hmac = '' 309 | try: 310 | if (getData['id'] != None): 311 | apiID = re.escape(getData['id']) 312 | cur = self.con.cursor() 313 | cur.execute("SELECT secret from apikeys WHERE id = '" + apiID + "'") 314 | if cur.rowcount != 0: 315 | api_key = cur.fetchone()[0] 316 | otp_hmac = hmac.new(api_key, msg=result, digestmod=hashlib.sha1).hexdigest().decode('hex').encode('base64').strip() 317 | except KeyError: 318 | pass 319 | self.wfile.write('h=' + otp_hmac + '\r\n' + result) 320 | return 321 | except KeyError: 322 | pass 323 | self.send_response(200) 324 | self.send_header('Content-type', 'text/plain') 325 | self.end_headers() 326 | iso_time = time.strftime("%Y-%m-%dT%H:%M:%S") 327 | result = 'otp=\r\nstatus=MISSING_PARAMETER\r\nt=' + iso_time 328 | otp_hmac = '' 329 | try: 330 | if (getData['id'] != None): 331 | apiID = re.escape(getData['id']) 332 | cur = self.con.cursor() 333 | cur.execute("SELECT secret from apikeys WHERE id = '" + apiID + "'") 334 | if cur.rowcount != 0: 335 | api_key = cur.fetchone()[0] 336 | otp_hmac = hmac.new(api_key, msg=result, digestmod=hashlib.sha1).hexdigest().decode('hex').encode('base64').strip() 337 | except KeyError: 338 | pass 339 | self.wfile.write('h=' + otp_hmac + '\r\n' + result) 340 | return 341 | 342 | do_HEAD = do_GET 343 | do_PUT = do_GET 344 | do_DELETE = do_GET 345 | do_CONNECT = do_GET 346 | do_POST = do_GET 347 | 348 | class SecureHTTPServer(BaseHTTPServer.HTTPServer): 349 | def __init__(self, server_address, HandlerClass): 350 | BaseHTTPServer.HTTPServer.__init__(self, server_address, HandlerClass) 351 | ctx = SSL.Context(SSL.SSLv23_METHOD) 352 | fpem = os.path.dirname(os.path.realpath(__file__)) + '/yubiserve.pem' 353 | ctx.use_privatekey_file (fpem) 354 | ctx.use_certificate_file(fpem) 355 | self.socket = SSL.Connection(ctx, socket.socket(self.address_family, self.socket_type)) 356 | self.server_bind() 357 | self.server_activate() 358 | 359 | class ThreadingHTTPServer(SocketServer.ThreadingMixIn, BaseHTTPServer.HTTPServer): 360 | pass 361 | class ThreadingHTTPSServer(SocketServer.ThreadingMixIn, SecureHTTPServer): 362 | pass 363 | 364 | try: 365 | if MySQLdb != None: 366 | isThereMysql = True 367 | except NameError: 368 | isThereMysql = False 369 | 370 | try: 371 | if sqlite != None: 372 | isThereSqlite = True 373 | except NameError: 374 | isThereSqlite = False 375 | 376 | if isThereMysql == isThereSqlite == False: 377 | print "Cannot continue without any database support.\nPlease read README.\n\n" 378 | quit() 379 | 380 | if config['yubiDB'] == 'mysql' and (config['yubiMySQLHost'] == '' or config['yubiMySQLUser'] == '' or config['yubiMySQLPass'] == '' or config['yubiMySQLName'] == ''): 381 | print "Cannot continue without any MySQL configuration.\nPlease read README.\n\n" 382 | quit() 383 | 384 | yubiserveHTTP = ThreadingHTTPServer((config['yubiserveHOST'], config['yubiservePORT']), YubiServeHandler) 385 | yubiserveSSL = ThreadingHTTPSServer((config['yubiserveHOST'], config['yubiserveSSLPORT']), YubiServeHandler) 386 | 387 | http_thread = Thread(target=yubiserveHTTP.serve_forever) 388 | ssl_thread = Thread(target=yubiserveSSL.serve_forever) 389 | 390 | http_thread.setDaemon(True) 391 | ssl_thread.setDaemon(True) 392 | 393 | http_thread.start() 394 | ssl_thread.start() 395 | 396 | print "HTTP Server is running." 397 | 398 | while 1: 399 | time.sleep(1) 400 | 401 | --------------------------------------------------------------------------------