1 /* $NetBSD: put.c,v 1.3 1997/10/16 23:25:01 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1993-95 Mats O Jansson. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Mats O Jansson. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __RCSID("$NetBSD: put.c,v 1.3 1997/10/16 23:25:01 lukem Exp $"); 35 #endif 36 37 #include "os.h" 38 #include "mopdef.h" 39 #include "put.h" 40 41 void 42 mopPutChar(pkt, index, value) 43 u_char *pkt; 44 int *index; 45 u_char value; 46 { 47 pkt[*index] = value; 48 *index = *index + 1; 49 } 50 51 void 52 mopPutShort(pkt, index, value) 53 u_char *pkt; 54 int *index; 55 u_short value; 56 { 57 int i; 58 for (i = 0; i < 2; i++) { 59 pkt[*index+i] = value % 256; 60 value = value / 256; 61 } 62 *index = *index + 2; 63 } 64 65 void 66 mopPutLong(pkt, index, value) 67 u_char *pkt; 68 int *index; 69 u_int32_t value; 70 { 71 int i; 72 for (i = 0; i < 4; i++) { 73 pkt[*index+i] = value % 256; 74 value = value / 256; 75 } 76 *index = *index + 4; 77 } 78 79 void 80 mopPutMulti(pkt, index, value, size) 81 u_char *pkt,*value; 82 int *index,size; 83 { 84 int i; 85 86 for (i = 0; i < size; i++) { 87 pkt[*index+i] = value[i]; 88 } 89 *index = *index + size; 90 } 91 92 void 93 mopPutTime(pkt, index, value) 94 u_char *pkt; 95 int *index; 96 time_t value; 97 { 98 time_t tnow; 99 struct tm *timenow; 100 101 if ((value == 0)) { 102 tnow = time(NULL); 103 } else { 104 tnow = value; 105 } 106 107 timenow = localtime(&tnow); 108 109 mopPutChar (pkt,index,10); 110 mopPutChar (pkt,index,(timenow->tm_year / 100) + 19); 111 mopPutChar (pkt,index,(timenow->tm_year % 100)); 112 mopPutChar (pkt,index,(timenow->tm_mon + 1)); 113 mopPutChar (pkt,index,(timenow->tm_mday)); 114 mopPutChar (pkt,index,(timenow->tm_hour)); 115 mopPutChar (pkt,index,(timenow->tm_min)); 116 mopPutChar (pkt,index,(timenow->tm_sec)); 117 mopPutChar (pkt,index,0x00); 118 mopPutChar (pkt,index,0x00); 119 mopPutChar (pkt,index,0x00); 120 } 121 122 void 123 mopPutHeader(pkt, index, dst, src, proto, trans) 124 u_char *pkt; 125 int *index; 126 u_char dst[], src[]; 127 u_short proto; 128 int trans; 129 { 130 131 mopPutMulti(pkt, index, dst, 6); 132 mopPutMulti(pkt, index, src, 6); 133 if (trans == TRANS_8023) { 134 mopPutShort(pkt, index, 0); 135 mopPutChar (pkt, index, MOP_K_PROTO_802_DSAP); 136 mopPutChar (pkt, index, MOP_K_PROTO_802_SSAP); 137 mopPutChar (pkt, index, MOP_K_PROTO_802_CNTL); 138 mopPutChar (pkt, index, 0x08); 139 mopPutChar (pkt, index, 0x00); 140 mopPutChar (pkt, index, 0x2b); 141 } 142 #if !defined(__FreeBSD__) 143 mopPutChar(pkt, index, (proto / 256)); 144 mopPutChar(pkt, index, (proto % 256)); 145 #else 146 if (trans == TRANS_8023) { 147 mopPutChar(pkt, index, (proto / 256)); 148 mopPutChar(pkt, index, (proto % 256)); 149 } else { 150 mopPutChar(pkt, index, (proto % 256)); 151 mopPutChar(pkt, index, (proto / 256)); 152 } 153 #endif 154 if (trans == TRANS_ETHER) 155 mopPutShort(pkt, index, 0); 156 157 } 158 159 void 160 mopPutLength(pkt, trans, len) 161 u_char *pkt; 162 int trans; 163 u_short len; 164 { 165 int index = 0; 166 167 switch(trans) { 168 case TRANS_ETHER: 169 index = 14; 170 mopPutChar(pkt, &index, ((len - 16) % 256)); 171 mopPutChar(pkt, &index, ((len - 16) / 256)); 172 break; 173 case TRANS_8023: 174 index = 12; 175 #if !defined(__FreeBSD__) 176 mopPutChar(pkt, &index, ((len - 14) / 256)); 177 mopPutChar(pkt, &index, ((len - 14) % 256)); 178 #else 179 mopPutChar(pkt, &index, ((len - 14) % 256)); 180 mopPutChar(pkt, &index, ((len - 14) / 256)); 181 #endif 182 break; 183 } 184 185 } 186