| 1 | /* |
| 2 | * Copyright (c) 1997-1999 The Stanford SRP Authentication Project |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining |
| 6 | * a copy of this software and associated documentation files (the |
| 7 | * "Software"), to deal in the Software without restriction, including |
| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
| 9 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 10 | * permit persons to whom the Software is furnished to do so, subject to |
| 11 | * the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be |
| 14 | * included in all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
| 17 | * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
| 18 | * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
| 19 | * |
| 20 | * IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INCIDENTAL, |
| 21 | * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER |
| 22 | * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF |
| 23 | * THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT |
| 24 | * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 25 | * |
| 26 | * In addition, the following conditions apply: |
| 27 | * |
| 28 | * 1. Any software that incorporates the SRP authentication technology |
| 29 | * must display the following acknowlegment: |
| 30 | * "This product uses the 'Secure Remote Password' cryptographic |
| 31 | * authentication system developed by Tom Wu (tjw@CS.Stanford.EDU)." |
| 32 | * |
| 33 | * 2. Any software that incorporates all or part of the SRP distribution |
| 34 | * itself must also display the following acknowledgment: |
| 35 | * "This product includes software developed by Tom Wu and Eugene |
| 36 | * Jhong for the SRP Distribution (http://srp.stanford.edu/srp/)." |
| 37 | * |
| 38 | * 3. Redistributions in source or binary form must retain an intact copy |
| 39 | * of this copyright notice and list of conditions. |
| 40 | */ |
| 41 | |
| 42 | #include <stdio.h> |
| 43 | |
| 44 | #include "t_defines.h" |
| 45 | #include "t_pwd.h" |
| 46 | #include "t_read.h" |
| 47 | |
| 48 | /* Master builtin parameter storage object. The default that tphrase |
| 49 | uses is the last one. */ |
| 50 | |
| 51 | static struct pre_struct { |
| 52 | struct t_preconf preconf; |
| 53 | int state; /* 0 == uninitialized/first time */ |
| 54 | unsigned char modbuf[MAXPARAMLEN]; |
| 55 | unsigned char genbuf[MAXPARAMLEN]; |
| 56 | } pre_params[] = { |
| 57 | { { "2iQzj1CagQc/5ctbuJYLWlhtAsPHc7xWVyCPAKFRLWKADpASkqe9djWPFWTNTdeJtL8nAhImCn3Sr/IAdQ1FrGw0WvQUstPx3FO9KNcXOwisOQ1VlL.gheAHYfbYyBaxXL.NcJx9TUwgWDT0hRzFzqSrdGGTN3FgSTA1v4QnHtEygNj3eZ.u0MThqWUaDiP87nqha7XnT66bkTCkQ8.7T8L4KZjIImrNrUftedTTBi.WCi.zlrBxDuOM0da0JbUkQlXqvp0yvJAPpC11nxmmZOAbQOywZGmu9nhZNuwTlxjfIro0FOdthaDTuZRL9VL7MRPUDo/DQEyW.d4H.UIlzp", |
| 58 | "2", |
| 59 | NULL }, 0 }, |
| 60 | { { "dUyyhxav9tgnyIg65wHxkzkb7VIPh4o0lkwfOKiPp4rVJrzLRYVBtb76gKlaO7ef5LYGEw3G.4E0jbMxcYBetDy2YdpiP/3GWJInoBbvYHIRO9uBuxgsFKTKWu7RnR7yTau/IrFTdQ4LY/q.AvoCzMxV0PKvD9Odso/LFIItn8PbTov3VMn/ZEH2SqhtpBUkWtmcIkEflhX/YY/fkBKfBbe27/zUaKUUZEUYZ2H2nlCL60.JIPeZJSzsu/xHDVcx", |
| 61 | "2", |
| 62 | NULL }, 0 }, |
| 63 | { { "3NUKQ2Re4P5BEK0TLg2dX3gETNNNECPoe92h4OVMaDn3Xo/0QdjgG/EvM.hiVV1BdIGklSI14HA38Mpe5k04juR5/EXMU0r1WtsLhNXwKBlf2zEfoOh0zVmDvqInpU695f29Iy7sNW3U5RIogcs740oUp2Kdv5wuITwnIx84cnO.e467/IV1lPnvMCr0pd1dgS0a.RV5eBJr03Q65Xy61R", |
| 64 | "2", |
| 65 | NULL }, 0 }, |
| 66 | { { "F//////////oG/QeY5emZJ4ncABWDmSqIa2JWYAPynq0Wk.fZiJco9HIWXvZZG4tU.L6RFDEaCRC2iARV9V53TFuJLjRL72HUI5jNPYNdx6z4n2wQOtxMiB/rosz0QtxUuuQ/jQYP.bhfya4NnB7.P9A6PHxEPJWV//////////", |
| 67 | "5", |
| 68 | "oakley prime 2" }, 0 }, |
| 69 | { { "Ewl2hcjiutMd3Fu2lgFnUXWSc67TVyy2vwYCKoS9MLsrdJVT9RgWTCuEqWJrfB6uE3LsE9GkOlaZabS7M29sj5TnzUqOLJMjiwEzArfiLr9WbMRANlF68N5AVLcPWvNx6Zjl3m5Scp0BzJBz9TkgfhzKJZ.WtP3Mv/67I/0wmRZ", |
| 70 | "2", |
| 71 | NULL }, 0 }, |
| 72 | }; |
| 73 | |
| 74 | _TYPE( int ) |
| 75 | t_getprecount() |
| 76 | { |
| 77 | return (sizeof(pre_params) / sizeof(struct pre_struct)); |
| 78 | } |
| 79 | |
| 80 | static struct t_confent sysconf; |
| 81 | |
| 82 | /* id is index origin 1 */ |
| 83 | |
| 84 | _TYPE( struct t_confent * ) |
| 85 | gettcid |
| 86 | (id) |
| 87 | int id; |
| 88 | { |
| 89 | struct t_preconf *tcp; |
| 90 | |
| 91 | if (id <= 0 || id > t_getprecount()) { |
| 92 | return NULL; |
| 93 | } |
| 94 | tcp = t_getpreparam(id - 1); |
| 95 | sysconf.index = id; |
| 96 | sysconf.modulus = tcp->modulus; |
| 97 | sysconf.generator = tcp->generator; |
| 98 | |
| 99 | return &sysconf; |
| 100 | } |
| 101 | |
| 102 | _TYPE( struct t_preconf * ) |
| 103 | t_getpreparam(idx) |
| 104 | int idx; |
| 105 | { |
| 106 | if(pre_params[idx].state == 0) { |
| 107 | /* Wire up storage */ |
| 108 | pre_params[idx].preconf.modulus.data = pre_params[idx].modbuf; |
| 109 | pre_params[idx].preconf.generator.data = pre_params[idx].genbuf; |
| 110 | |
| 111 | /* Convert from b64 to t_num */ |
| 112 | pre_params[idx].preconf.modulus.len = t_fromb64(pre_params[idx].preconf.modulus.data, pre_params[idx].preconf.mod_b64); |
| 113 | pre_params[idx].preconf.generator.len = t_fromb64(pre_params[idx].preconf.generator.data, pre_params[idx].preconf.gen_b64); |
| 114 | |
| 115 | pre_params[idx].state = 1; |
| 116 | } |
| 117 | return &(pre_params[idx].preconf); |
| 118 | } |
| 119 | |
