diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-04-30 11:07:05 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-04-30 13:42:18 +0200 |
commit | 443a058db4ee8032221da84823f39f411796ff63 (patch) | |
tree | db5850817d66462ff2f869dfb19c0f0840282cc8 /rtemsbsd/telnetd | |
parent | Add DHCP clientid to test default network init (diff) | |
download | rtems-libbsd-443a058db4ee8032221da84823f39f411796ff63.tar.bz2 |
Use network services from RTEMS
Close #3419.
Diffstat (limited to 'rtemsbsd/telnetd')
-rw-r--r-- | rtemsbsd/telnetd/check_passwd.c | 107 | ||||
-rw-r--r-- | rtemsbsd/telnetd/des.c | 879 | ||||
-rw-r--r-- | rtemsbsd/telnetd/passwd.h | 25 | ||||
-rw-r--r-- | rtemsbsd/telnetd/pty.c | 660 | ||||
-rw-r--r-- | rtemsbsd/telnetd/telnetd-init.c | 33 | ||||
-rw-r--r-- | rtemsbsd/telnetd/telnetd.c | 517 |
6 files changed, 0 insertions, 2221 deletions
diff --git a/rtemsbsd/telnetd/check_passwd.c b/rtemsbsd/telnetd/check_passwd.c deleted file mode 100644 index 9e3f2c98..00000000 --- a/rtemsbsd/telnetd/check_passwd.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Authorship - * ---------- - * This software was created by - * Till Straumann <strauman@slac.stanford.edu>, 2003-2007 - * Stanford Linear Accelerator Center, Stanford University. - * - * Acknowledgement of sponsorship - * ------------------------------ - * This software was produced by - * the Stanford Linear Accelerator Center, Stanford University, - * under Contract DE-AC03-76SFO0515 with the Department of Energy. - * - * Government disclaimer of liability - * ---------------------------------- - * Neither the United States nor the United States Department of Energy, - * nor any of their employees, makes any warranty, express or implied, or - * assumes any legal liability or responsibility for the accuracy, - * completeness, or usefulness of any data, apparatus, product, or process - * disclosed, or represents that its use would not infringe privately owned - * rights. - * - * Stanford disclaimer of liability - * -------------------------------- - * Stanford University makes no representations or warranties, express or - * implied, nor assumes any liability for the use of this software. - * - * Stanford disclaimer of copyright - * -------------------------------- - * Stanford University, owner of the copyright, hereby disclaims its - * copyright and all other rights in this software. Hence, anyone may - * freely use it for any purpose without restriction. - * - * Maintenance of notices - * ---------------------- - * In the interest of clarity regarding the origin and status of this - * SLAC software, this and all the preceding Stanford University notices - * are to remain affixed to any copy or derivative of this software made - * or distributed by the recipient and are to be affixed to any copy of - * software made or distributed by the recipient that contains a copy or - * derivative of this software. - * - * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03 - * - * Copyright (c) 2009 embedded brains GmbH and others. - * - * embedded brains GmbH - * Obere Lagerstr. 30 - * D-82178 Puchheim - * Germany - * <rtems@embedded-brains.de> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <termios.h> -#include <errno.h> -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> - -#include <rtems/telnetd.h> - -#include "passwd.h" - -char *__des_crypt_r( const char *, const char *, char *, int); - -/** - * @brief Standard Telnet login check that uses DES to encrypt the passphrase. - * - * Takes a @a passphrase, encrypts it and compares it to the encrypted - * passphrase in the @c TELNETD_PASSWD environment variable. No password is - * required if @c TELNETD_PASSWD is unset. The argument @a user is ignored. - */ -bool rtems_telnetd_login_check( - const char *user, - const char *passphrase -) -{ - char *pw = getenv( "TELNETD_PASSWD"); - char cryptbuf [21]; - char salt [3]; - - if (pw == NULL || strlen( pw) == 0) { - #ifdef TELNETD_DEFAULT_PASSWD - pw = TELNETD_DEFAULT_PASSWD; - #else - return true; - #endif - } - - strncpy( salt, pw, 2); - salt [2] = '\0'; - - return strcmp( - __des_crypt_r( passphrase, salt, cryptbuf, sizeof( cryptbuf)), - pw - ) == 0; -} diff --git a/rtemsbsd/telnetd/des.c b/rtemsbsd/telnetd/des.c deleted file mode 100644 index 542e8968..00000000 --- a/rtemsbsd/telnetd/des.c +++ /dev/null @@ -1,879 +0,0 @@ -/* - * FreeSec: libcrypt for NetBSD - * - * Copyright (c) 1994 David Burren - * All rights reserved. - * - * Ported to RTEMS and made reentrant by Till Straumann, 9/2003 - * - * Adapted for FreeBSD-2.0 by Geoffrey M. Rehmet - * this file should now *only* export crypt(), in order to make - * binaries of libcrypt exportable from the USA - * - * Adapted for FreeBSD-4.0 by Mark R V Murray - * this file should now *only* export crypt_des(), in order to make - * a module that can be optionally included in libcrypt. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the author nor the names of other contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This is an original implementation of the DES and the crypt(3) interfaces - * by David Burren <davidb@werj.com.au>. - * - * An excellent reference on the underlying algorithm (and related - * algorithms) is: - * - * B. Schneier, Applied Cryptography: protocols, algorithms, - * and source code in C, John Wiley & Sons, 1994. - * - * Note that in that book's description of DES the lookups for the initial, - * pbox, and final permutations are inverted (this has been brought to the - * attention of the author). A list of errata for this book has been - * posted to the sci.crypt newsgroup by the author and is available for FTP. - * - * ARCHITECTURE ASSUMPTIONS: - * It is assumed that the 8-byte arrays passed by reference can be - * addressed as arrays of u_int32_t's (ie. the CPU is not picky about - * alignment). - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#define __FORCE_GLIBC -#include <sys/cdefs.h> -#include <sys/types.h> -#include <sys/param.h> -#include <netinet/in.h> -#ifndef __rtems__ -#include <pwd.h> -#include <crypt.h> -#endif -#include <string.h> -#include <stdlib.h> - -#define REENTRANT -/* Re-entrantify me -- all this junk needs to be in - * struct crypt_data to make this really reentrant... */ - -/* TS; not really - only the stuff in Des_Context */ -static struct fixed1 { -u_char inv_key_perm[64]; -u_char inv_comp_perm[56]; -u_char u_sbox[8][64]; -u_char un_pbox[32]; -} des1_f; -static struct fixed2 { -u_int32_t ip_maskl[8][256], ip_maskr[8][256]; -} des2_f; -static struct fixed3 { -u_int32_t fp_maskl[8][256], fp_maskr[8][256]; -} des3_f; -static struct fixed4 { -u_int32_t key_perm_maskl[8][128], key_perm_maskr[8][128]; -u_int32_t comp_maskl[8][128], comp_maskr[8][128]; -} des4_f; - -#define inv_key_perm des1_f.inv_key_perm -#define inv_comp_perm des1_f.inv_comp_perm -#define u_sbox des1_f.u_sbox -#define un_pbox des1_f.un_pbox -#define ip_maskl des2_f.ip_maskl -#define ip_maskr des2_f.ip_maskr -#define fp_maskl des3_f.fp_maskl -#define fp_maskr des3_f.fp_maskr -#define key_perm_maskl des4_f.key_perm_maskl -#define key_perm_maskr des4_f.key_perm_maskr -#define comp_maskl des4_f.comp_maskl -#define comp_maskr des4_f.comp_maskr - -/* These need to be maintained per-process */ -struct Des_Context { -u_int32_t en_keysl[16], en_keysr[16]; -u_int32_t de_keysl[16], de_keysr[16]; -u_int32_t saltbits; -u_int32_t old_salt; -u_int32_t old_rawkey0, old_rawkey1; -}; - -#ifndef REENTRANT -static struct Des_Context single; -#endif - -#define en_keysl des_ctx->en_keysl -#define en_keysr des_ctx->en_keysr -#define de_keysl des_ctx->de_keysl -#define de_keysr des_ctx->de_keysr -#define saltbits des_ctx->saltbits -#define old_salt des_ctx->old_salt -#define old_rawkey0 des_ctx->old_rawkey0 -#define old_rawkey1 des_ctx->old_rawkey1 - -/* Static stuff that stays resident and doesn't change after - * being initialized, and therefore doesn't need to be made - * reentrant. */ -static u_char init_perm[64], final_perm[64]; -static u_char m_sbox[4][4096]; -static u_int32_t psbox[4][256]; - - - - -/* A pile of data */ -static const u_char ascii64[] = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; - -static const u_char IP[64] = { - 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, - 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, - 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, - 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7 -}; - -static const u_char key_perm[56] = { - 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, - 10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36, - 63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22, - 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4 -}; - -static const u_char key_shifts[16] = { - 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 -}; - -static const u_char comp_perm[48] = { - 14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10, - 23, 19, 12, 4, 26, 8, 16, 7, 27, 20, 13, 2, - 41, 52, 31, 37, 47, 55, 30, 40, 51, 45, 33, 48, - 44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32 -}; - -/* - * No E box is used, as it's replaced by some ANDs, shifts, and ORs. - */ - -static const u_char sbox[8][64] = { - { - 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7, - 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8, - 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0, - 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 - }, - { - 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10, - 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5, - 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15, - 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 - }, - { - 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8, - 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1, - 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7, - 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 - }, - { - 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15, - 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9, - 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4, - 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 - }, - { - 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9, - 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6, - 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14, - 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 - }, - { - 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11, - 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8, - 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6, - 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 - }, - { - 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1, - 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6, - 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2, - 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12 - }, - { - 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7, - 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2, - 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8, - 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 - } -}; - -static const u_char pbox[32] = { - 16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10, - 2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25 -}; - -static const u_int32_t bits32[32] = -{ - 0x80000000, 0x40000000, 0x20000000, 0x10000000, - 0x08000000, 0x04000000, 0x02000000, 0x01000000, - 0x00800000, 0x00400000, 0x00200000, 0x00100000, - 0x00080000, 0x00040000, 0x00020000, 0x00010000, - 0x00008000, 0x00004000, 0x00002000, 0x00001000, - 0x00000800, 0x00000400, 0x00000200, 0x00000100, - 0x00000080, 0x00000040, 0x00000020, 0x00000010, - 0x00000008, 0x00000004, 0x00000002, 0x00000001 -}; - -static const u_char bits8[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }; -static const u_int32_t *bits28, *bits24; - - -static int -ascii_to_bin(char ch) -{ - if (ch > 'z') - return(0); - if (ch >= 'a') - return(ch - 'a' + 38); - if (ch > 'Z') - return(0); - if (ch >= 'A') - return(ch - 'A' + 12); - if (ch > '9') - return(0); - if (ch >= '.') - return(ch - '.'); - return(0); -} - -struct Des_Context * -des_ctx_init(void) -{ -struct Des_Context *des_ctx; -#ifdef REENTRANT - des_ctx = malloc(sizeof(*des_ctx)); -#else - des_ctx = &single; -#endif - old_rawkey0 = old_rawkey1 = 0L; - saltbits = 0L; - old_salt = 0L; - - return des_ctx; -} - -static void -des_init(void) -{ - int i, j, b, k, inbit, obit; - u_int32_t *p, *il, *ir, *fl, *fr; - static int des_initialised = 0; - - if (des_initialised==1) - return; - -#ifndef REENTRANT - des_ctx_init(); -#endif - - bits24 = (bits28 = bits32 + 4) + 4; - - /* - * Invert the S-boxes, reordering the input bits. - */ - for (i = 0; i < 8; i++) - for (j = 0; j < 64; j++) { - b = (j & 0x20) | ((j & 1) << 4) | ((j >> 1) & 0xf); - u_sbox[i][j] = sbox[i][b]; - } - - /* - * Convert the inverted S-boxes into 4 arrays of 8 bits. - * Each will handle 12 bits of the S-box input. - */ - for (b = 0; b < 4; b++) - for (i = 0; i < 64; i++) - for (j = 0; j < 64; j++) - m_sbox[b][(i << 6) | j] = - (u_char)((u_sbox[(b << 1)][i] << 4) | - u_sbox[(b << 1) + 1][j]); - - /* - * Set up the initial & final permutations into a useful form, and - * initialise the inverted key permutation. - */ - for (i = 0; i < 64; i++) { - init_perm[final_perm[i] = IP[i] - 1] = (u_char)i; - inv_key_perm[i] = 255; - } - - /* - * Invert the key permutation and initialise the inverted key - * compression permutation. - */ - for (i = 0; i < 56; i++) { - inv_key_perm[key_perm[i] - 1] = (u_char)i; - inv_comp_perm[i] = 255; - } - - /* - * Invert the key compression permutation. - */ - for (i = 0; i < 48; i++) { - inv_comp_perm[comp_perm[i] - 1] = (u_char)i; - } - - /* - * Set up the OR-mask arrays for the initial and final permutations, - * and for the key initial and compression permutations. - */ - for (k = 0; k < 8; k++) { - for (i = 0; i < 256; i++) { - *(il = &ip_maskl[k][i]) = 0L; - *(ir = &ip_maskr[k][i]) = 0L; - *(fl = &fp_maskl[k][i]) = 0L; - *(fr = &fp_maskr[k][i]) = 0L; - for (j = 0; j < 8; j++) { - inbit = 8 * k + j; - if (i & bits8[j]) { - if ((obit = init_perm[inbit]) < 32) - *il |= bits32[obit]; - else - *ir |= bits32[obit-32]; - if ((obit = final_perm[inbit]) < 32) - *fl |= bits32[obit]; - else - *fr |= bits32[obit - 32]; - } - } - } - for (i = 0; i < 128; i++) { - *(il = &key_perm_maskl[k][i]) = 0L; - *(ir = &key_perm_maskr[k][i]) = 0L; - for (j = 0; j < 7; j++) { - inbit = 8 * k + j; - if (i & bits8[j + 1]) { - if ((obit = inv_key_perm[inbit]) == 255) - continue; - if (obit < 28) - *il |= bits28[obit]; - else - *ir |= bits28[obit - 28]; - } - } - *(il = &comp_maskl[k][i]) = 0L; - *(ir = &comp_maskr[k][i]) = 0L; - for (j = 0; j < 7; j++) { - inbit = 7 * k + j; - if (i & bits8[j + 1]) { - if ((obit=inv_comp_perm[inbit]) == 255) - continue; - if (obit < 24) - *il |= bits24[obit]; - else - *ir |= bits24[obit - 24]; - } - } - } - } - - /* - * Invert the P-box permutation, and convert into OR-masks for - * handling the output of the S-box arrays setup above. - */ - for (i = 0; i < 32; i++) - un_pbox[pbox[i] - 1] = (u_char)i; - - for (b = 0; b < 4; b++) - for (i = 0; i < 256; i++) { - *(p = &psbox[b][i]) = 0L; - for (j = 0; j < 8; j++) { - if (i & bits8[j]) - *p |= bits32[un_pbox[8 * b + j]]; - } - } - - des_initialised = 1; -} - - -static void -setup_salt(long salt, struct Des_Context *des_ctx) -{ - u_int32_t obit, saltbit; - int i; - - if (salt == old_salt) - return; - old_salt = salt; - - saltbits = 0L; - saltbit = 1; - obit = 0x800000; - for (i = 0; i < 24; i++) { - if (salt & saltbit) - saltbits |= obit; - saltbit <<= 1; - obit >>= 1; - } -} - - -static int -des_setkey(const char *key, struct Des_Context *des_ctx) -{ - u_int32_t k0, k1, rawkey0, rawkey1; - int shifts, round; - - des_init(); - - rawkey0 = ntohl(*(const u_int32_t *) key); - rawkey1 = ntohl(*(const u_int32_t *) (key + 4)); - - if ((rawkey0 | rawkey1) - && rawkey0 == old_rawkey0 - && rawkey1 == old_rawkey1) { - /* - * Already setup for this key. - * This optimisation fails on a zero key (which is weak and - * has bad parity anyway) in order to simplify the starting - * conditions. - */ - return(0); - } - old_rawkey0 = rawkey0; - old_rawkey1 = rawkey1; - - /* - * Do key permutation and split into two 28-bit subkeys. - */ - k0 = key_perm_maskl[0][rawkey0 >> 25] - | key_perm_maskl[1][(rawkey0 >> 17) & 0x7f] - | key_perm_maskl[2][(rawkey0 >> 9) & 0x7f] - | key_perm_maskl[3][(rawkey0 >> 1) & 0x7f] - | key_perm_maskl[4][rawkey1 >> 25] - | key_perm_maskl[5][(rawkey1 >> 17) & 0x7f] - | key_perm_maskl[6][(rawkey1 >> 9) & 0x7f] - | key_perm_maskl[7][(rawkey1 >> 1) & 0x7f]; - k1 = key_perm_maskr[0][rawkey0 >> 25] - | key_perm_maskr[1][(rawkey0 >> 17) & 0x7f] - | key_perm_maskr[2][(rawkey0 >> 9) & 0x7f] - | key_perm_maskr[3][(rawkey0 >> 1) & 0x7f] - | key_perm_maskr[4][rawkey1 >> 25] - | key_perm_maskr[5][(rawkey1 >> 17) & 0x7f] - | key_perm_maskr[6][(rawkey1 >> 9) & 0x7f] - | key_perm_maskr[7][(rawkey1 >> 1) & 0x7f]; - /* - * Rotate subkeys and do compression permutation. - */ - shifts = 0; - for (round = 0; round < 16; round++) { - u_int32_t t0, t1; - - shifts += key_shifts[round]; - - t0 = (k0 << shifts) | (k0 >> (28 - shifts)); - t1 = (k1 << shifts) | (k1 >> (28 - shifts)); - - de_keysl[15 - round] = - en_keysl[round] = comp_maskl[0][(t0 >> 21) & 0x7f] - | comp_maskl[1][(t0 >> 14) & 0x7f] - | comp_maskl[2][(t0 >> 7) & 0x7f] - | comp_maskl[3][t0 & 0x7f] - | comp_maskl[4][(t1 >> 21) & 0x7f] - | comp_maskl[5][(t1 >> 14) & 0x7f] - | comp_maskl[6][(t1 >> 7) & 0x7f] - | comp_maskl[7][t1 & 0x7f]; - - de_keysr[15 - round] = - en_keysr[round] = comp_maskr[0][(t0 >> 21) & 0x7f] - | comp_maskr[1][(t0 >> 14) & 0x7f] - | comp_maskr[2][(t0 >> 7) & 0x7f] - | comp_maskr[3][t0 & 0x7f] - | comp_maskr[4][(t1 >> 21) & 0x7f] - | comp_maskr[5][(t1 >> 14) & 0x7f] - | comp_maskr[6][(t1 >> 7) & 0x7f] - | comp_maskr[7][t1 & 0x7f]; - } - return(0); -} - - -static int -do_des( u_int32_t l_in, u_int32_t r_in, u_int32_t *l_out, u_int32_t *r_out, int count, struct Des_Context *des_ctx) -{ - /* - * l_in, r_in, l_out, and r_out are in pseudo-"big-endian" format. - */ - u_int32_t l, r, *kl, *kr, *kl1, *kr1; - u_int32_t f, r48l, r48r; - int round; - - if (count == 0) { - return(1); - } else if (count > 0) { - /* - * Encrypting - */ - kl1 = en_keysl; - kr1 = en_keysr; - } else { - /* - * Decrypting - */ - count = -count; - kl1 = de_keysl; - kr1 = de_keysr; - } - - /* - * Do initial permutation (IP). - */ - l = ip_maskl[0][l_in >> 24] - | ip_maskl[1][(l_in >> 16) & 0xff] - | ip_maskl[2][(l_in >> 8) & 0xff] - | ip_maskl[3][l_in & 0xff] - | ip_maskl[4][r_in >> 24] - | ip_maskl[5][(r_in >> 16) & 0xff] - | ip_maskl[6][(r_in >> 8) & 0xff] - | ip_maskl[7][r_in & 0xff]; - r = ip_maskr[0][l_in >> 24] - | ip_maskr[1][(l_in >> 16) & 0xff] - | ip_maskr[2][(l_in >> 8) & 0xff] - | ip_maskr[3][l_in & 0xff] - | ip_maskr[4][r_in >> 24] - | ip_maskr[5][(r_in >> 16) & 0xff] - | ip_maskr[6][(r_in >> 8) & 0xff] - | ip_maskr[7][r_in & 0xff]; - - while (count--) { - /* - * Do each round. - */ - kl = kl1; - kr = kr1; - round = 16; - while (round--) { - /* - * Expand R to 48 bits (simulate the E-box). - */ - r48l = ((r & 0x00000001) << 23) - | ((r & 0xf8000000) >> 9) - | ((r & 0x1f800000) >> 11) - | ((r & 0x01f80000) >> 13) - | ((r & 0x001f8000) >> 15); - - r48r = ((r & 0x0001f800) << 7) - | ((r & 0x00001f80) << 5) - | ((r & 0x000001f8) << 3) - | ((r & 0x0000001f) << 1) - | ((r & 0x80000000) >> 31); - /* - * Do salting for crypt() and friends, and - * XOR with the permuted key. - */ - f = (r48l ^ r48r) & saltbits; - r48l ^= f ^ *kl++; - r48r ^= f ^ *kr++; - /* - * Do sbox lookups (which shrink it back to 32 bits) - * and do the pbox permutation at the same time. - */ - f = psbox[0][m_sbox[0][r48l >> 12]] - | psbox[1][m_sbox[1][r48l & 0xfff]] - | psbox[2][m_sbox[2][r48r >> 12]] - | psbox[3][m_sbox[3][r48r & 0xfff]]; - /* - * Now that we've permuted things, complete f(). - */ - f ^= l; - l = r; - r = f; - } - r = l; - l = f; - } - /* - * Do final permutation (inverse of IP). - */ - *l_out = fp_maskl[0][l >> 24] - | fp_maskl[1][(l >> 16) & 0xff] - | fp_maskl[2][(l >> 8) & 0xff] - | fp_maskl[3][l & 0xff] - | fp_maskl[4][r >> 24] - | fp_maskl[5][(r >> 16) & 0xff] - | fp_maskl[6][(r >> 8) & 0xff] - | fp_maskl[7][r & 0xff]; - *r_out = fp_maskr[0][l >> 24] - | fp_maskr[1][(l >> 16) & 0xff] - | fp_maskr[2][(l >> 8) & 0xff] - | fp_maskr[3][l & 0xff] - | fp_maskr[4][r >> 24] - | fp_maskr[5][(r >> 16) & 0xff] - | fp_maskr[6][(r >> 8) & 0xff] - | fp_maskr[7][r & 0xff]; - return(0); -} - - -#if 0 -static int -des_cipher(const char *in, char *out, u_int32_t salt, int count) -{ - u_int32_t l_out, r_out, rawl, rawr; - int retval; - union { - u_int32_t *ui32; - const char *c; - } trans; - - des_init(); - - setup_salt(salt); - - trans.c = in; - rawl = ntohl(*trans.ui32++); - rawr = ntohl(*trans.ui32); - - retval = do_des(rawl, rawr, &l_out, &r_out, count); - - trans.c = out; - *trans.ui32++ = htonl(l_out); - *trans.ui32 = htonl(r_out); - return(retval); -} -#endif - - -#ifndef REENTRANT -void -setkey(const char *key) -{ - int i, j; - u_int32_t packed_keys[2]; - u_char *p; - - p = (u_char *) packed_keys; - - for (i = 0; i < 8; i++) { - p[i] = 0; - for (j = 0; j < 8; j++) - if (*key++ & 1) - p[i] |= bits8[j]; - } - des_setkey(p, &single); -} -#endif - - -#ifndef REENTRANT -void -encrypt(char *block, int flag) -{ - u_int32_t io[2]; - u_char *p; - int i, j; - - des_init(); - - setup_salt(0L, &single); - p = block; - for (i = 0; i < 2; i++) { - io[i] = 0L; - for (j = 0; j < 32; j++) - if (*p++ & 1) - io[i] |= bits32[j]; - } - do_des(io[0], io[1], io, io + 1, flag ? -1 : 1, &single); - for (i = 0; i < 2; i++) - for (j = 0; j < 32; j++) - block[(i << 5) | j] = (io[i] & bits32[j]) ? 1 : 0; -} - -#endif - -char * -__des_crypt_r(const char *key, const char *setting, char *output, int sz) -{ - char *rval = 0; - struct Des_Context *des_ctx; - u_int32_t count, salt, l, r0, r1, keybuf[2]; - u_char *p, *q; - - if (sz < 21) - return NULL; - - des_init(); - des_ctx = des_ctx_init(); - - /* - * Copy the key, shifting each character up by one bit - * and padding with zeros. - */ - q = (u_char *)keybuf; - while (q - (u_char *)keybuf - 8) { - *q++ = *key << 1; - if (*(q - 1)) - key++; - } - if (des_setkey((char *)keybuf, des_ctx)) - goto bailout; - -#if 0 - if (*setting == _PASSWORD_EFMT1) { - int i; - /* - * "new"-style: - * setting - underscore, 4 bytes of count, 4 bytes of salt - * key - unlimited characters - */ - for (i = 1, count = 0L; i < 5; i++) - count |= ascii_to_bin(setting[i]) << ((i - 1) * 6); - - for (i = 5, salt = 0L; i < 9; i++) - salt |= ascii_to_bin(setting[i]) << ((i - 5) * 6); - - while (*key) { - /* - * Encrypt the key with itself. - */ - if (des_cipher((char *)keybuf, (char *)keybuf, 0L, 1)) - goto bailout; - /* - * And XOR with the next 8 characters of the key. - */ - q = (u_char *)keybuf; - while (q - (u_char *)keybuf - 8 && *key) - *q++ ^= *key++ << 1; - - if (des_setkey((char *)keybuf)) - goto bailout; - } - strncpy(output, setting, 9); - - /* - * Double check that we weren't given a short setting. - * If we were, the above code will probably have created - * wierd values for count and salt, but we don't really care. - * Just make sure the output string doesn't have an extra - * NUL in it. - */ - output[9] = '\0'; - p = (u_char *)output + strlen(output); - } else -#endif - { - /* - * "old"-style: - * setting - 2 bytes of salt - * key - up to 8 characters - */ - count = 25; - - salt = (ascii_to_bin(setting[1]) << 6) - | ascii_to_bin(setting[0]); - - output[0] = setting[0]; - /* - * If the encrypted password that the salt was extracted from - * is only 1 character long, the salt will be corrupted. We - * need to ensure that the output string doesn't have an extra - * NUL in it! - */ - output[1] = setting[1] ? setting[1] : output[0]; - - p = (u_char *)output + 2; - } - setup_salt(salt, des_ctx); - /* - * Do it. - */ - if (do_des(0L, 0L, &r0, &r1, (int)count, des_ctx)) - goto bailout; - /* - * Now encode the result... - */ - l = (r0 >> 8); - *p++ = ascii64[(l >> 18) & 0x3f]; - *p++ = ascii64[(l >> 12) & 0x3f]; - *p++ = ascii64[(l >> 6) & 0x3f]; - *p++ = ascii64[l & 0x3f]; - - l = (r0 << 16) | ((r1 >> 16) & 0xffff); - *p++ = ascii64[(l >> 18) & 0x3f]; - *p++ = ascii64[(l >> 12) & 0x3f]; - *p++ = ascii64[(l >> 6) & 0x3f]; - *p++ = ascii64[l & 0x3f]; - - l = r1 << 2; - *p++ = ascii64[(l >> 12) & 0x3f]; - *p++ = ascii64[(l >> 6) & 0x3f]; - *p++ = ascii64[l & 0x3f]; - *p = 0; - - rval = output; -bailout: - free(des_ctx); - return rval; -} - -char * -__des_crypt(const char *key, const char *setting) -{ - static char output[21]; - return __des_crypt_r(key, setting, output, sizeof(output)); -} - - -#ifdef DEBUG - -void -des_snap(void **pf, void **pd) -{ - uint8* pfc; - *pf = malloc(sizeof(struct fixed1) + sizeof(struct fixed2) + sizeof(struct fixed3) + sizeof(struct fixed4)); - pfc = *pf; - memcpy(pfc, &des1_f, sizeof(des1_f)); - pfc += sizeof(des1_f); - memcpy(pfc, &des2_f, sizeof(des2_f)); - pfc += sizeof(des2_f); - memcpy(pfc, &des3_f, sizeof(des3_f)); - pfc += sizeof(des3_f); - memcpy(pfc, &des4_f, sizeof(des4_f)); -// *pd = malloc(sizeof(struct Des_Context)); -// memcpy(*pd, &des_ctx, sizeof(des_ctx)); -} - -void -des_check(void *pf, void *pd) -{ - uint8* pfc1, pfc2, pfc3, pfc4; - pfc1 = pf; - pfc2 = pfc1 + sizeof(des1_f); - pfc3 = pfc2 + sizeof(des2_f); - pfc4 = pfc3 + sizeof(des3_f); - printf("Fixed: do%s differ"/*", Context: do%s differ"*/"\n", - (memcmp(pfc1, &des1_f, sizeof(des1_f)) || - memcmp(pfc2, &des2_f, sizeof(des2_f)) || - memcmp(pfc3, &des4_f, sizeof(des3_f)) || - memcmp(pfc4, &des4_f, sizeof(des4_f))) ? "" : "nt"); -} - -#endif diff --git a/rtemsbsd/telnetd/passwd.h b/rtemsbsd/telnetd/passwd.h deleted file mode 100644 index 8d5c299a..00000000 --- a/rtemsbsd/telnetd/passwd.h +++ /dev/null @@ -1,25 +0,0 @@ -/* Define a default password for telnetd here. - * NOTES: - * - this can be overridden at run-time by setting - * the "TELNETD_PASSWD" environment variable. - * As soon as that variable is set, the new password - * is effective - no need to restart telnetd. - * - this must be set to an _encrypted_ password, NOT - * the cleartext. Use the 'genpw' utility to generate - * a password string: - * - * 1) Compile 'genpw.c' for the HOST, i.e. - * cc -o genpw genpw.c -lcrypt - * 1) delete an old password definition from this file. - * 2) run './genpw >> passwd.h'. This will append - * a new definition to this file. - * - * - if no password is defined here, no authentication - * is needed, i.e. telnet is open to the world. - * - * T. Straumann <strauman@slac.stanford.edu> - */ - -/* #undef TELNETD_DEFAULT_PASSWD */ -/* Default password: 'rtems' */ -#define TELNETD_DEFAULT_PASSWD "tduDcyLX12owo" diff --git a/rtemsbsd/telnetd/pty.c b/rtemsbsd/telnetd/pty.c deleted file mode 100644 index 727e5ebf..00000000 --- a/rtemsbsd/telnetd/pty.c +++ /dev/null @@ -1,660 +0,0 @@ -/* - * /dev/ptyXX (Support for pseudo-terminals) - * - * Original Author: Fernando RUIZ CASAS (fernando.ruiz@ctv.es) - * May 2001 - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * Till Straumann <strauman@slac.stanford.edu> - * - * - converted into a loadable module - * - NAWS support / ioctls for querying/setting the window - * size added. - * - don't delete the running task when the connection - * is closed. Rather let 'read()' return a 0 count so - * they may cleanup. Some magic hack works around termios - * limitation. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#define DEBUG_WH (1<<0) -#define DEBUG_DETAIL (1<<1) - -/* #define DEBUG DEBUG_WH */ - -/*-----------------------------------------*/ -#include <termios.h> -#include <rtems/termiostypes.h> -#include <sys/ttycom.h> -#include <rtems.h> -#include <rtems/libio.h> -#include <rtems/bspIo.h> -#include <errno.h> -#include <sys/socket.h> -/*-----------------------------------------*/ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> -#include <unistd.h> -/*-----------------------------------------*/ -#define IAC_ESC 255 -#define IAC_DONT 254 -#define IAC_DO 253 -#define IAC_WONT 252 -#define IAC_WILL 251 -#define IAC_SB 250 -#define IAC_GA 249 -#define IAC_EL 248 -#define IAC_EC 247 -#define IAC_AYT 246 -#define IAC_AO 245 -#define IAC_IP 244 -#define IAC_BRK 243 -#define IAC_DMARK 242 -#define IAC_NOP 241 -#define IAC_SE 240 -#define IAC_EOR 239 - -#define SB_MAX 16 - -extern int rtems_telnetd_maximum_ptys; - -struct pty_tt; -typedef struct pty_tt pty_t; - -struct pty_tt { - char *devname; - struct rtems_termios_tty *ttyp; - tcflag_t c_cflag; - int opened; - int socket; - int last_cr; - unsigned iac_mode; - unsigned char sb_buf[SB_MAX]; - int sb_ind; - int width; - int height; -}; - - -static int telnet_pty_inited=FALSE; -static pty_t *telnet_ptys; - -static rtems_device_major_number pty_major; - -static -int send_iac(int minor,unsigned char mode,unsigned char option) -{ - unsigned char buf[3]; - - buf[0]=IAC_ESC; - buf[1]=mode; - buf[2]=option; - return write(telnet_ptys[minor].socket,buf,sizeof(buf)); -} - -/* This procedure returns the devname for a pty slot free. - * If not slot availiable (field socket>=0) - * then the socket argument is closed - */ - -char * telnet_get_pty(int socket) -{ - int ndx; - - if (telnet_pty_inited) { -#if 0 - if ( rtems_telnetd_maximum_ptys < 5 ) - rtems_telnetd_maximum_ptys = 5; - - telnet_ptys = malloc( rtems_telnetd_maximum_ptys * sizeof (pty_t) ); -#endif - if ( !telnet_ptys ) { - return NULL; - } - - for (ndx=0;ndx<rtems_telnetd_maximum_ptys;ndx++) { - - if (telnet_ptys[ndx].socket<0) { - struct timeval t; - /* set a long polling interval to save CPU time */ - t.tv_sec=2; - t.tv_usec=00000; - setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, &t, sizeof(t)); - telnet_ptys[ndx].socket=socket; - - /* inform the client that we will echo */ - send_iac(ndx, IAC_WILL, 1); - - return telnet_ptys[ndx].devname; - }; - }; - } - close(socket); - return NULL; -} - - -/*-----------------------------------------------------------*/ -/* - * The NVT terminal is negociated in PollRead and PollWrite - * with every BYTE sendded or received. - * A litle status machine in the pty_read_byte(int minor) - * - */ -static const char IAC_AYT_RSP[]="\r\nAYT? Yes, RTEMS-SHELL is here\r\n"; -static const char IAC_BRK_RSP[]="<*Break*>"; -static const char IAC_IP_RSP []="<*Interrupt*>"; - -static int -handleSB(pty_t *pty) -{ - switch (pty->sb_buf[0]) { - case 31: /* NAWS */ - pty->width = (pty->sb_buf[1]<<8) + pty->sb_buf[2]; - pty->height = (pty->sb_buf[3]<<8) + pty->sb_buf[4]; -#if DEBUG & DEBUG_WH - fprintf(stderr, - "Setting width/height to %ix%i\n", - pty->width, - pty->height); -#endif - break; - default: - break; - } - return 0; -} - -static int read_pty(int minor) -{ /* Characters written to the client side*/ - unsigned char value; - unsigned int omod; - int count; - int result; - pty_t *pty=telnet_ptys+minor; - - count=read(pty->socket,&value,sizeof(value)); - if (count<0) - return -1; - - if (count<1) { - /* Unfortunately, there is no way of passing an EOF - * condition through the termios driver. Hence, we - * resort to an ugly hack. Setting cindex>ccount - * causes the termios driver to return a read count - * of '0' which is what we want here. We leave - * 'errno' untouched. - */ - pty->ttyp->cindex=pty->ttyp->ccount+1; - return pty->ttyp->termios.c_cc[VEOF]; - }; - - omod=pty->iac_mode; - pty->iac_mode=0; - switch(omod & 0xff) { - case IAC_ESC: - switch(value) { - case IAC_ESC : - /* in case this is an ESC ESC sequence in SB mode */ - pty->iac_mode = omod>>8; - return IAC_ESC; - case IAC_DONT: - case IAC_DO : - case IAC_WONT: - case IAC_WILL: - pty->iac_mode=value; - return -1; - case IAC_SB : -#if DEBUG & DEBUG_DETAIL - printk("SB\n"); -#endif - pty->iac_mode=value; - pty->sb_ind=0; - return -100; - case IAC_GA : - return -1; - case IAC_EL : - return 0x03; /* Ctrl-C*/ - case IAC_EC : - return '\b'; - case IAC_AYT : - write(pty->socket,IAC_AYT_RSP,strlen(IAC_AYT_RSP)); - return -1; - case IAC_AO : - return -1; - case IAC_IP : - write(pty->socket,IAC_IP_RSP,strlen(IAC_IP_RSP)); - return -1; - case IAC_BRK : - write(pty->socket,IAC_BRK_RSP,strlen(IAC_BRK_RSP)); - return -1; - case IAC_DMARK: - return -2; - case IAC_NOP : - return -1; - case IAC_SE : -#if DEBUG & DEBUG_DETAIL - { - int i; - printk("SE"); - for (i=0; i<pty->sb_ind; i++) - printk(" %02x",pty->sb_buf[i]); - printk("\n"); - } -#endif - handleSB(pty); - return -101; - case IAC_EOR : - return -102; - default : - return -1; - }; - break; - - case IAC_SB: - pty->iac_mode=omod; - if (IAC_ESC==value) { - pty->iac_mode=(omod<<8)|value; - } else { - if (pty->sb_ind < SB_MAX) - pty->sb_buf[pty->sb_ind++]=value; - } - return -1; - - case IAC_WILL: - if (value==34){ - send_iac(minor,IAC_DONT, 34); /*LINEMODE*/ - send_iac(minor,IAC_DO , 1); /*ECHO */ - } else if (value==31) { - send_iac(minor,IAC_DO , 31); /*NAWS */ -#if DEBUG & DEBUG_DETAIL - printk("replied DO NAWS\n"); -#endif - } else { - send_iac(minor,IAC_DONT,value); - } - return -1; - case IAC_DONT: - return -1; - case IAC_DO : - if (value==3) { - send_iac(minor,IAC_WILL, 3); /* GO AHEAD*/ - } else if (value==1) { - send_iac(minor,IAC_WILL, 1); /* ECHO */ - } else { - send_iac(minor,IAC_WONT,value); - }; - return -1; - case IAC_WONT: - if (value==1) { - send_iac(minor,IAC_WILL, 1); - } else { /* ECHO */ - send_iac(minor,IAC_WONT,value); - } - return -1; - default: - if (value==IAC_ESC) { - pty->iac_mode=value; - return -1; - } else { - result=value; - if ( 0 - /* map CRLF to CR for symmetry */ - || ((value=='\n') && pty->last_cr) - /* map telnet CRNUL to CR down here */ - || ((value==0) && pty->last_cr) - ) result=-1; - pty->last_cr=(value=='\r'); - return result; - }; - }; - /* should never get here but keep compiler happy */ - return -1; -} - -/*-----------------------------------------------------------*/ -static int ptySetAttributes(int minor,const struct termios *t); -static int ptyPollInitialize(int major,int minor,void * arg) ; -static int ptyShutdown(int major,int minor,void * arg) ; -static ssize_t ptyPollWrite(int minor, const char * buf, size_t len) ; -static int ptyPollRead(int minor) ; -static const rtems_termios_callbacks * pty_get_termios_handlers(int polled) ; -/*-----------------------------------------------------------*/ -/* Set the 'Hardware' */ -/*-----------------------------------------------------------*/ -static int -ptySetAttributes(int minor,const struct termios *t) { - if (minor<rtems_telnetd_maximum_ptys) { - telnet_ptys[minor].c_cflag=t->c_cflag; - } else { - return -1; - }; - return 0; -} -/*-----------------------------------------------------------*/ -static int -ptyPollInitialize(int major,int minor,void * arg) { - rtems_libio_open_close_args_t * args = (rtems_libio_open_close_args_t*)arg; - struct termios t; - if (minor<rtems_telnetd_maximum_ptys) { - if (telnet_ptys[minor].socket<0) return -1; - telnet_ptys[minor].opened=TRUE; - telnet_ptys[minor].ttyp= (struct rtems_termios_tty *) args->iop->data1; - telnet_ptys[minor].iac_mode=0; - telnet_ptys[minor].sb_ind=0; - telnet_ptys[minor].width=0; - telnet_ptys[minor].height=0; - t.c_cflag=B9600|CS8;/* termios default */ - return ptySetAttributes(minor,&t); - } else { - return -1; - } -} -/*-----------------------------------------------------------*/ -static int -ptyShutdown(int major,int minor,void * arg) { - if (minor<rtems_telnetd_maximum_ptys) { - telnet_ptys[minor].opened=FALSE; - if (telnet_ptys[minor].socket>=0) close(telnet_ptys[minor].socket); - telnet_ptys[minor].socket=-1; - chown(telnet_ptys[minor].devname,2,0); - } else { - return -1; - } - return 0; -} -/*-----------------------------------------------------------*/ -/* Write Characters into pty device */ -/*-----------------------------------------------------------*/ -static ssize_t -ptyPollWrite(int minor, const char * buf, size_t len) { - size_t count; - if (minor<rtems_telnetd_maximum_ptys) { - if (telnet_ptys[minor].socket<0) - return -1; - count=write(telnet_ptys[minor].socket,buf,len); - } else { - count=-1; - } - return count; -} -/*-----------------------------------------------------------*/ -static int -ptyPollRead(int minor) { - int result; - - if (minor<rtems_telnetd_maximum_ptys) { - if (telnet_ptys[minor].socket<0) - return -1; - result=read_pty(minor); - return result; - } - return -1; -} -/*-----------------------------------------------------------*/ -/* pty_initialize - * - * This routine initializes the pty IO driver. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ -/*-----------------------------------------------------------*/ -static -rtems_device_driver my_pty_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *arg -) -{ - int ndx; - rtems_status_code status; - - if ( rtems_telnetd_maximum_ptys < 5 ) - rtems_telnetd_maximum_ptys = 5; - - telnet_ptys = malloc( rtems_telnetd_maximum_ptys * sizeof (pty_t) ); - - /* - * Set up ptys - */ - - for (ndx=0;ndx<rtems_telnetd_maximum_ptys;ndx++) { - telnet_ptys[ndx].devname = (char*)malloc(strlen("/dev/ptyXX")+1); - sprintf(telnet_ptys[ndx].devname,"/dev/pty%X",ndx); - telnet_ptys[ndx].ttyp = NULL; - telnet_ptys[ndx].c_cflag = CS8|B9600; - telnet_ptys[ndx].socket = -1; - telnet_ptys[ndx].opened = FALSE; - telnet_ptys[ndx].sb_ind = 0; - telnet_ptys[ndx].width = 0; - telnet_ptys[ndx].height = 0; - - } - - /* - * Register the devices - */ - for (ndx=0;ndx<rtems_telnetd_maximum_ptys;ndx++) { - status = rtems_io_register_name(telnet_ptys[ndx].devname, major, ndx); - if (status != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(status); - chmod(telnet_ptys[ndx].devname,0660); - chown(telnet_ptys[ndx].devname,2,0); /* tty,root*/ - }; - syslog( - LOG_KERN | LOG_INFO, - "/dev/pty%X../dev/pty%X (%d) pseudo-terminals registered.\n", - 0, - rtems_telnetd_maximum_ptys - 1, - rtems_telnetd_maximum_ptys - ); - - return RTEMS_SUCCESSFUL; -} - -static int pty_do_finalize(void) -{ - int ndx; - rtems_status_code status; - - if ( !telnet_pty_inited ) - return 0; - - for (ndx=0;ndx<rtems_telnetd_maximum_ptys;ndx++) { - if (telnet_ptys[ndx].opened) { - fprintf(stderr, - "There are still opened PTY devices, unable to proceed\n"); - return -1; - } - } - if (RTEMS_SUCCESSFUL != rtems_io_unregister_driver(pty_major)) { - fprintf(stderr,"Unable to remove this driver\n"); - return -1; - } - for (ndx=0;ndx<rtems_telnetd_maximum_ptys;ndx++) { - /* rtems_io_register_name() actually creates a node in the filesystem - * (mknod()) - */ - status = (rtems_status_code)unlink(telnet_ptys[ndx].devname); - if (status != RTEMS_SUCCESSFUL) - perror("removing pty device node from file system"); - else - free(telnet_ptys[ndx].devname); - }; - - free ( telnet_ptys ); - - fprintf(stderr,"PTY driver unloaded successfully\n"); - telnet_pty_inited=FALSE; - return 0; -} - -/* - * Open entry point - */ - -static -rtems_device_driver my_pty_open( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - rtems_status_code sc; - sc = rtems_termios_open(major,minor,arg,pty_get_termios_handlers(FALSE)); - return sc; -} - -/* - * Close entry point - */ - -static -rtems_device_driver my_pty_close( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return rtems_termios_close(arg); -} - -/* - * read bytes from the pty - */ - -static -rtems_device_driver my_pty_read( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return rtems_termios_read(arg); -} - -/* - * write bytes to the pty - */ - -static -rtems_device_driver my_pty_write( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return rtems_termios_write(arg); -} - -/* - * IO Control entry point - */ - -static -rtems_device_driver my_pty_control( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - rtems_libio_ioctl_args_t *args = (rtems_libio_ioctl_args_t*)arg; - struct winsize *wp = (struct winsize*)args->buffer; - pty_t *p = &telnet_ptys[minor]; - - switch (args->command) { - - case TIOCGWINSZ: - - wp->ws_row = p->height; - wp->ws_col = p->width; - args->ioctl_return=0; -#if DEBUG & DEBUG_WH - fprintf(stderr, - "ioctl(TIOCGWINSZ), returning %ix%i\n", - wp->ws_col, - wp->ws_row); -#endif - - return RTEMS_SUCCESSFUL; - - case TIOCSWINSZ: -#if DEBUG & DEBUG_WH - fprintf(stderr, - "ioctl(TIOCGWINSZ), setting %ix%i\n", - wp->ws_col, - wp->ws_row); -#endif - - p->height = wp->ws_row; - p->width = wp->ws_col; - args->ioctl_return=0; - - return RTEMS_SUCCESSFUL; - - default: - - break; - } - - return rtems_termios_ioctl(arg); -} - -static rtems_driver_address_table drvPty = { - my_pty_initialize, - my_pty_open, - my_pty_close, - my_pty_read, - my_pty_write, - my_pty_control -}; - -/*-----------------------------------------------------------*/ -static const rtems_termios_callbacks pty_poll_callbacks = { - ptyPollInitialize, /* FirstOpen */ - ptyShutdown, /* LastClose */ - ptyPollRead, /* PollRead */ - ptyPollWrite, /* Write */ - ptySetAttributes, /* setAttributes */ - NULL, /* stopRemoteTX */ - NULL, /* StartRemoteTX */ - 0 /* outputUsesInterrupts */ -}; -/*-----------------------------------------------------------*/ -static const rtems_termios_callbacks * pty_get_termios_handlers(int polled) { - return &pty_poll_callbacks; -} -/*-----------------------------------------------------------*/ - -static int pty_do_initialize(void) -{ - if ( !telnet_pty_inited ) { - if (RTEMS_SUCCESSFUL==rtems_io_register_driver(0, &drvPty, &pty_major)) - telnet_pty_inited=TRUE; - else - fprintf(stderr,"WARNING: registering the PTY driver FAILED\n"); - } - return telnet_pty_inited; -} - -int telnet_pty_initialize(void) -{ - return pty_do_initialize(); -} - -int telnet_pty_finalize(void) -{ - return pty_do_finalize(); -} diff --git a/rtemsbsd/telnetd/telnetd-init.c b/rtemsbsd/telnetd/telnetd-init.c deleted file mode 100644 index e723def0..00000000 --- a/rtemsbsd/telnetd/telnetd-init.c +++ /dev/null @@ -1,33 +0,0 @@ -/***********************************************************/ -/* - * - * The telnet DAEMON - * - * Author: 17,may 2001 - * - * WORK: fernando.ruiz@ctv.es - * HOME: correo@fernando-ruiz.com - * - * Copyright (c) 2009 embedded brains GmbH and others. - * - * embedded brains GmbH - * Obere Lagerstr. 30 - * D-82178 Puchheim - * Germany - * <rtems@embedded-brains.de> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <rtems/telnetd.h> - -rtems_status_code rtems_telnetd_initialize(void) -{ - return rtems_telnetd_start(&rtems_telnetd_config); -} diff --git a/rtemsbsd/telnetd/telnetd.c b/rtemsbsd/telnetd/telnetd.c deleted file mode 100644 index 7fe603fa..00000000 --- a/rtemsbsd/telnetd/telnetd.c +++ /dev/null @@ -1,517 +0,0 @@ -/***********************************************************/ -/* - * - * The telnet DAEMON - * - * Author: 17,may 2001 - * - * WORK: fernando.ruiz@ctv.es - * HOME: correo@fernando-ruiz.com - * - * After start the net you can start this daemon. - * It uses the previously inited pseudo-terminales (pty.c) - * getting a new terminal with getpty(). This function - * gives a terminal name passing a opened socket like parameter. - * - * With register_telnetd() you add a new command in the shell to start - * this daemon interactively. (Login in /dev/console of course) - * - * Sorry but OOB is not still implemented. (This is the first version) - * - * Till Straumann <strauman@slac.stanford.edu> - * - made the 'shell' interface more generic, i.e. it is now - * possible to have 'telnetd' run an arbitrary 'shell' - * program. - * - * Copyright (c) 2009 embedded brains GmbH and others. - * - * embedded brains GmbH - * Obere Lagerstr. 30 - * D-82178 Puchheim - * Germany - * <rtems@embedded-brains.de> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <rtems.h> -#include <rtems/error.h> -#include <rtems/pty.h> -#include <rtems/shell.h> -#include <rtems/telnetd.h> -#include <rtems/bspIo.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <unistd.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <syslog.h> - -#include <rtems/userenv.h> -#include <rtems/error.h> -#include <rtems/rtems_bsdnet.h> - -#define PARANOIA - -extern char *telnet_get_pty(int socket); -extern int telnet_pty_initialize(void); - -struct shell_args { - char *devname; - void *arg; - char peername[16]; - char delete_myself; -}; - -typedef union uni_sa { - struct sockaddr_in sin; - struct sockaddr sa; -} uni_sa; - -static int sockpeername(int sock, char *buf, int bufsz); - -rtems_id telnetd_dflt_spawn( - const char *name, - unsigned priority, - unsigned stackSize, - void (*fn)(void*), - void *fnarg -); - -/***********************************************************/ -static rtems_telnetd_config_table* telnetd_config; -static rtems_id telnetd_task_id; - -/* - * chrisj: this variable was global and with no declared interface in a header - * file and with no means to set it so I have stopped it being global; - * if this breaks any user they will have be to provide a formal - * interface to get this change reverted. - */ -static const rtems_id (*telnetd_spawn_task)( - const char *, - unsigned, - unsigned, - void (*)(void*), - void * -) = telnetd_dflt_spawn; - -static char *grab_a_Connection( - int des_socket, - uni_sa *srv, - char *peername, - int sz -) -{ - char *rval = 0; - socklen_t size_adr = sizeof(srv->sin); - int acp_sock; - - acp_sock = accept(des_socket,&srv->sa,&size_adr); - - if (acp_sock<0) { - perror("telnetd:accept"); - goto bailout; - }; - - if ( !(rval=telnet_get_pty(acp_sock)) ) { - syslog( LOG_DAEMON | LOG_ERR, "telnetd: unable to obtain PTY"); - /* NOTE: failing 'do_get_pty()' closed the socket */ - goto bailout; - } - - if (sockpeername(acp_sock, peername, sz)) - strncpy(peername, "<UNKNOWN>", sz); - -#ifdef PARANOIA - syslog(LOG_DAEMON | LOG_INFO, - "telnetd: accepted connection from %s on %s", - peername, - rval); -#endif - -bailout: - - return rval; -} - - -static void release_a_Connection(char *devname, char *peername, FILE **pstd, int n) -{ - -#ifdef PARANOIA - syslog( LOG_DAEMON | LOG_INFO, - "telnetd: releasing connection from %s on %s", - peername, - devname ); -#endif - - while (--n>=0) - if (pstd[n]) fclose(pstd[n]); - -} - -static int sockpeername(int sock, char *buf, int bufsz) -{ - uni_sa peer; - int rval = sock < 0; - socklen_t len = sizeof(peer.sin); - - if ( !rval ) - rval = getpeername(sock, &peer.sa, &len); - - if ( !rval ) - rval = !inet_ntop( AF_INET, &peer.sin.sin_addr, buf, bufsz ); - - return rval; -} - -static void -spawned_shell(void *arg); - -/***********************************************************/ -static void -rtems_task_telnetd(void *task_argument) -{ - int des_socket; - uni_sa srv; - char *devname; - char peername[16]; - int i=1; - int size_adr; - struct shell_args *arg = NULL; - - if ((des_socket=socket(PF_INET,SOCK_STREAM,0))<0) { - perror("telnetd:socket"); - telnetd_task_id = RTEMS_ID_NONE; - rtems_task_delete(RTEMS_SELF); - }; - setsockopt(des_socket,SOL_SOCKET,SO_KEEPALIVE,&i,sizeof(i)); - - memset(&srv,0,sizeof(srv)); - srv.sin.sin_family=AF_INET; - srv.sin.sin_port=htons(23); - size_adr=sizeof(srv.sin); - if ((bind(des_socket,&srv.sa,size_adr))<0) { - perror("telnetd:bind"); - close(des_socket); - telnetd_task_id = RTEMS_ID_NONE; - rtems_task_delete(RTEMS_SELF); - }; - if ((listen(des_socket,5))<0) { - perror("telnetd:listen"); - close(des_socket); - telnetd_task_id = RTEMS_ID_NONE; - rtems_task_delete(RTEMS_SELF); - }; - - /* we don't redirect stdio as this probably - * was started from the console anyway .. - */ - do { - if (telnetd_config->keep_stdio) { - bool start = true; - char device_name [32]; - - ttyname_r( 1, device_name, sizeof( device_name)); - if (telnetd_config->login_check != NULL) { - start = rtems_shell_login_prompt( - stdin, - stderr, - device_name, - telnetd_config->login_check - ); - } - if (start) { - telnetd_config->command( device_name, arg->arg); - } else { - syslog( - LOG_AUTHPRIV | LOG_WARNING, - "telnetd: to many wrong passwords entered from %s", - device_name - ); - } - } else { - devname = grab_a_Connection(des_socket, &srv, peername, sizeof(peername)); - - if ( !devname ) { - /* if something went wrong, sleep for some time */ - sleep(10); - continue; - } - - arg = malloc( sizeof(*arg) ); - - arg->devname = devname; - arg->arg = telnetd_config->arg; - strncpy(arg->peername, peername, sizeof(arg->peername)); - - telnetd_task_id = telnetd_spawn_task( - devname, - telnetd_config->priority, - telnetd_config->stack_size, - spawned_shell, - arg - ); - if (telnetd_task_id == RTEMS_ID_NONE) { - FILE *dummy; - - if ( telnetd_spawn_task != telnetd_dflt_spawn ) { - fprintf(stderr,"Telnetd: Unable to spawn child task\n"); - } - - /* hmm - the pty driver slot can only be - * released by opening and subsequently - * closing the PTY - this also closes - * the underlying socket. So we mock up - * a stream... - */ - - if ( !(dummy=fopen(devname,"r+")) ) - perror("Unable to dummy open the pty, losing a slot :-("); - release_a_Connection(devname, peername, &dummy, 1); - free(arg); - sleep(2); /* don't accept connections too fast */ - } - } - } while(1); - - /* TODO: how to free the connection semaphore? But then - - * stopping the daemon is probably only needed during - * development/debugging. - * Finalizer code should collect all the connection semaphore - * counts and eventually clean up... - */ - close(des_socket); - telnetd_task_id = RTEMS_ID_NONE; -} - -rtems_status_code rtems_telnetd_start(const rtems_telnetd_config_table* config) -{ - if (telnetd_config != NULL) { - fprintf(stderr, "telnetd already started\n"); - return RTEMS_RESOURCE_IN_USE; - } - - if (config->command == NULL) { - fprintf(stderr, "telnetd setup with invalid command\n"); - return RTEMS_IO_ERROR; - } - - telnetd_config = calloc(1, sizeof(*telnetd_config)); - if (telnetd_config == NULL) { - fprintf(stderr, "telnetd cannot alloc telnetd config table\n"); - return RTEMS_NO_MEMORY; - } - - - if ( !telnet_pty_initialize() ) { - fprintf(stderr, "telnetd cannot initialize PTY driver\n"); - free(telnetd_config); - telnetd_config = NULL; - return RTEMS_IO_ERROR; - } - - *telnetd_config = *config; - - /* Check priority */ - if (telnetd_config->priority < 2) { - telnetd_config->priority = 100; - } - - /* Check stack size */ - if (telnetd_config->stack_size <= 0) { - telnetd_config->stack_size = (size_t)32 * 1024; - } - - /* Spawn task */ - telnetd_task_id = telnetd_spawn_task( - "TNTD", - telnetd_config->priority, - telnetd_config->stack_size, - rtems_task_telnetd, - 0 - ); - if (telnetd_task_id == RTEMS_ID_NONE) { - free(telnetd_config); - telnetd_config = NULL; - return RTEMS_IO_ERROR; - } - - /* Print status */ - if (!telnetd_config->keep_stdio) { - fprintf( - stderr, - "telnetd started with stacksize = %u and priority = %d\n", - (unsigned) telnetd_config->stack_size, - (unsigned) telnetd_config->priority - ); - } - - return RTEMS_SUCCESSFUL; -} - -/* utility wrapper */ -static void -spawned_shell(void *targ) -{ - rtems_status_code sc; - FILE *nstd[3]={0}; - FILE *ostd[3]={ stdin, stdout, stderr }; - int i=0; - struct shell_args *arg = targ; - bool login_failed = false; - bool start = true; - - sc=rtems_libio_set_private_env(); - - /* newlib hack/workaround. Before we change stdin/out/err we must make - * sure the internal data are initialized (fileno(stdout) has this sideeffect). - * This should probably be done from RTEMS' libc support layer... - * (T.S., newlibc-1.13; 2005/10) - */ - - fileno(stdout); - - if (RTEMS_SUCCESSFUL != sc) { - rtems_error(sc,"rtems_libio_set_private_env"); - goto cleanup; - } - - /* redirect stdio */ - for (i=0; i<3; i++) { - if ( !(nstd[i]=fopen(arg->devname,"r+")) ) { - perror("unable to open stdio"); - goto cleanup; - } - } - - stdin = nstd[0]; - stdout = nstd[1]; - stderr = nstd[2]; - - #if 0 - printk("STDOUT is now %x (%x) (FD %i/%i)\n", - stdout,nstd[1],fileno(stdout),fileno(nstd[1])); - printf("hello\n"); - write(fileno(stdout),"hellofd\n",8); - #endif - - /* call their routine */ - if (telnetd_config->login_check != NULL) { - start = rtems_shell_login_prompt( - stdin, - stderr, - arg->devname, - telnetd_config->login_check - ); - login_failed = !start; - } - if (start) { - telnetd_config->command( arg->devname, arg->arg); - } - - stdin = ostd[0]; - stdout = ostd[1]; - stderr = ostd[2]; - - if (login_failed) { - syslog( - LOG_AUTHPRIV | LOG_WARNING, - "telnetd: to many wrong passwords entered from %s", - arg->peername - ); - } - -cleanup: - release_a_Connection(arg->devname, arg->peername, nstd, i); - free(arg); -} - -struct wrap_delete_args { - void (*t)(void *); - void *a; -}; - -static rtems_task -wrap_delete(rtems_task_argument arg) -{ - struct wrap_delete_args *pwa = (struct wrap_delete_args *)arg; - register void (*t)(void *) = pwa->t; - register void *a = pwa->a; - - /* free argument before calling function (which may never return if - * they choose to delete themselves) - */ - free(pwa); - t(a); - rtems_task_delete(RTEMS_SELF); -} - -rtems_id -telnetd_dflt_spawn(const char *name, unsigned int priority, unsigned int stackSize, void (*fn)(void *), void* fnarg) -{ - rtems_status_code sc; - rtems_id task_id = RTEMS_ID_NONE; - char nm[4] = {'X','X','X','X' }; - struct wrap_delete_args *pwa = malloc(sizeof(*pwa)); - - strncpy(nm, name, 4); - - if ( !pwa ) { - perror("Telnetd: no memory\n"); - return RTEMS_ID_NONE; - } - - pwa->t = fn; - pwa->a = fnarg; - - if ((sc=rtems_task_create( - rtems_build_name(nm[0], nm[1], nm[2], nm[3]), - (rtems_task_priority)priority, - stackSize, - RTEMS_DEFAULT_MODES, - RTEMS_DEFAULT_ATTRIBUTES | RTEMS_FLOATING_POINT, - &task_id)) || - (sc=rtems_task_start( - task_id, - wrap_delete, - (rtems_task_argument)pwa))) { - free(pwa); - rtems_error(sc,"Telnetd: spawning task failed"); - return RTEMS_ID_NONE; - } - return task_id; -} - -/* convenience routines for CEXP (retrieve stdio descriptors - * from reent structure) - */ -#ifdef stdin -static __inline__ FILE * -_stdin(void) { return stdin; } -#undef stdin -FILE *stdin(void) { return _stdin(); } -#endif -#ifdef stdout -static __inline__ FILE * -_stdout(void) { return stdout; } -#undef stdout -FILE *stdout(void) { return _stdout(); } -#endif -#ifdef stderr -static __inline__ FILE * -_stderr(void) { return stderr; } -#undef stderr -FILE *stderr(void) { return _stderr(); } -#endif - -/* MUST NOT USE stdin & friends below here !!!!!!!!!!!!! */ |