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/* $OpenBSD: process.c,v 1.22 2017/07/29 07:18:03 florian Exp $ */ |
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/* |
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* Copyright (c) 1993-95 Mats O Jansson. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "os.h" |
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#include "common/common.h" |
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#include "common/mopdef.h" |
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#include "common/nmadef.h" |
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#include "common/get.h" |
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#include "common/put.h" |
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#include "common/print.h" |
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#include "common/pf.h" |
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#include "common/cmp.h" |
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#include "common/dl.h" |
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#include "common/rc.h" |
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#include "common/file.h" |
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extern int DebugFlag; |
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struct dllist dllist[MAXDL]; /* dump/load list */ |
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void |
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mopProcessInfo(u_char *pkt, int *idx, u_short moplen, struct dllist *dl_rpr, |
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int trans) |
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{ |
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u_short itype, tmps; |
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u_char ilen, tmpc, device; |
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device = 0; |
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switch (trans) { |
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case TRANS_ETHER: |
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moplen = moplen + 16; |
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break; |
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case TRANS_8023: |
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moplen = moplen + 14; |
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break; |
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} |
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itype = mopGetShort(pkt, idx); |
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while (*idx < (int)(moplen)) { |
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ilen = mopGetChar(pkt, idx); |
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switch (itype) { |
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case 0: |
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tmpc = mopGetChar(pkt, idx); |
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*idx = *idx + tmpc; |
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break; |
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case MOP_K_INFO_VER: |
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*idx = *idx + 3; |
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break; |
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case MOP_K_INFO_MFCT: |
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case MOP_K_INFO_RTM: |
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case MOP_K_INFO_CSZ: |
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case MOP_K_INFO_RSZ: |
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mopGetShort(pkt, idx); |
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break; |
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case MOP_K_INFO_CNU: |
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case MOP_K_INFO_HWA: |
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*idx = *idx + 6; |
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break; |
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case MOP_K_INFO_TIME: |
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*idx = *idx + 10; |
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break; |
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case MOP_K_INFO_SOFD: |
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device = mopGetChar(pkt, idx); |
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break; |
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case MOP_K_INFO_SFID: |
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tmpc = mopGetChar(pkt, idx); |
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*idx = *idx + tmpc; |
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break; |
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case MOP_K_INFO_PRTY: |
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case MOP_K_INFO_DLTY: |
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mopGetChar(pkt, idx); |
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break; |
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case MOP_K_INFO_DLBSZ: |
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tmps = mopGetShort(pkt, idx); |
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dl_rpr->dl_bsz = tmps; |
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break; |
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default: |
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if (((device == NMA_C_SOFD_LCS) || /* DECserver 100 */ |
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(device == NMA_C_SOFD_DS2) || /* DECserver 200 */ |
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(device == NMA_C_SOFD_DP2) || /* DECserver 250 */ |
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(device == NMA_C_SOFD_DS3)) && /* DECserver 300 */ |
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((itype > 101) && (itype < 107))) { |
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switch (itype) { |
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case 102: |
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case 103: |
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case 105: |
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case 106: |
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*idx = *idx + ilen; |
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break; |
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case 104: |
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mopGetShort(pkt, idx); |
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break; |
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} |
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} else |
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*idx = *idx + ilen; |
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} |
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itype = mopGetShort(pkt, idx); |
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} |
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} |
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void |
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mopSendASV(u_char *dst, u_char *src, struct if_info *ii, int trans) |
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{ |
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u_char pkt[200]; |
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int idx; |
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idx = 0; |
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mopPutHeader(pkt, &idx, dst, src, MOP_K_PROTO_DL, trans); |
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mopPutChar(pkt, &idx, MOP_K_CODE_ASV); |
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mopPutLength(pkt, trans, idx); |
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if (DebugFlag == DEBUG_ONELINE) |
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mopPrintOneline(stdout, pkt, trans); |
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if (DebugFlag >= DEBUG_HEADER) { |
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mopPrintHeader(stdout, pkt, trans); |
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mopPrintMopHeader(stdout, pkt, trans); |
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} |
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if (DebugFlag >= DEBUG_INFO) |
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mopDumpDL(stdout, pkt, trans); |
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if (pfWrite(ii->fd, pkt, idx, trans) != idx) |
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if (DebugFlag) |
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warnx("pfWrite() error"); |
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} |
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void |
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mopStartLoad(u_char *dst, u_char *src, struct dllist *dl_rpr, int trans) |
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{ |
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int len; |
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int i, slot; |
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u_char pkt[BUFSIZE]; |
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int idx; |
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u_char mopcode = MOP_K_CODE_MLD; |
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slot = -1; |
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/* Look if we have a non terminated load, if so, use it's slot */ |
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for (i = 0; i < MAXDL && slot == -1; i++) |
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if (dllist[i].status != DL_STATUS_FREE) |
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if (mopCmpEAddr(dllist[i].eaddr, dst) == 0) |
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slot = i; |
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/* If no slot yet, then find first free */ |
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for (i = 0; slot == -1 && i < MAXDL; i++) |
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if (dllist[i].status == DL_STATUS_FREE) { |
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slot = i; |
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bcopy(dst, dllist[i].eaddr, 6); |
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} |
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/* If no slot yet, then return. No slot is free */ |
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if (slot == -1) |
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return; |
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/* Ok, save info from RPR */ |
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dllist[slot] = *dl_rpr; |
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dllist[slot].status = DL_STATUS_READ_IMGHDR; |
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/* Get Load and Transfer Address. */ |
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GetFileInfo(&dllist[slot], 0); |
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dllist[slot].nloadaddr = dllist[slot].loadaddr; |
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dllist[slot].lseek = lseek(dllist[slot].ldfd, 0L, SEEK_CUR); |
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dllist[slot].a_lseek = 0; |
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dllist[slot].count = 0; |
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if ((dllist[slot].dl_bsz >= 1492) || (dllist[slot].dl_bsz == 0)) |
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dllist[slot].dl_bsz = 1492; |
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if (dllist[slot].dl_bsz == 1030) /* VS/uVAX 2000 needs this */ |
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dllist[slot].dl_bsz = 1000; |
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if (trans == TRANS_8023) |
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dllist[slot].dl_bsz = dllist[slot].dl_bsz - 8; |
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idx = 0; |
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mopPutHeader(pkt, &idx, dst, src, MOP_K_PROTO_DL, trans); |
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mopPutChar(pkt, &idx, mopcode); |
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mopPutChar(pkt, &idx, dllist[slot].count); |
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mopPutLong(pkt, &idx, dllist[slot].loadaddr); |
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len = mopFileRead(&dllist[slot], &pkt[idx]); |
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dllist[slot].nloadaddr = dllist[slot].loadaddr + len; |
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idx = idx + len; |
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mopPutLength(pkt, trans, idx); |
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if (DebugFlag == DEBUG_ONELINE) |
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mopPrintOneline(stdout, pkt, trans); |
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if (DebugFlag >= DEBUG_HEADER) { |
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mopPrintHeader(stdout, pkt, trans); |
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mopPrintMopHeader(stdout, pkt, trans); |
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} |
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if (DebugFlag >= DEBUG_INFO) |
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mopDumpDL(stdout, pkt, trans); |
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if (pfWrite(dllist[slot].ii->fd, pkt, idx, trans) != idx) |
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if (DebugFlag) |
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warnx("pfWrite() error"); |
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dllist[slot].status = DL_STATUS_SENT_MLD; |
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} |
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void |
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mopNextLoad(u_char *dst, u_char *src, u_char new_count, int trans) |
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{ |
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int len; |
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int i, slot; |
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u_char pkt[BUFSIZE]; |
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int idx, pidx; |
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char line[100],hname[17],*p; |
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slot = -1; |
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for (i = 0; i < MAXDL && slot == -1; i++) |
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if (dllist[i].status != DL_STATUS_FREE) { |
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if (mopCmpEAddr(dst, dllist[i].eaddr) == 0) |
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slot = i; |
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} |
250 |
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251 |
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/* If no slot yet, then return. No slot is free */ |
252 |
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if (slot == -1) |
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return; |
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255 |
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if (new_count == ((dllist[slot].count+1) % 256)) { |
256 |
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dllist[slot].loadaddr = dllist[slot].nloadaddr; |
257 |
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dllist[slot].count = new_count; |
258 |
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} else |
259 |
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return; |
260 |
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261 |
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if (dllist[slot].status == DL_STATUS_SENT_PLT) { |
262 |
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close(dllist[slot].ldfd); |
263 |
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dllist[slot].ldfd = 0; |
264 |
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dllist[slot].status = DL_STATUS_FREE; |
265 |
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snprintf(line, sizeof(line), |
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"%x:%x:%x:%x:%x:%x Load completed", |
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dst[0], dst[1], dst[2], dst[3], dst[4], dst[5]); |
268 |
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syslog(LOG_INFO, "%s", line); |
269 |
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return; |
270 |
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} |
271 |
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272 |
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dllist[slot].lseek = lseek(dllist[slot].ldfd, 0L, SEEK_CUR); |
273 |
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274 |
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if (dllist[slot].dl_bsz >= 1492) |
275 |
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dllist[slot].dl_bsz = 1492; |
276 |
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277 |
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idx = 0; |
278 |
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mopPutHeader(pkt, &idx, dst, src, MOP_K_PROTO_DL, trans); |
279 |
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pidx = idx; |
280 |
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mopPutChar(pkt, &idx, MOP_K_CODE_MLD); |
281 |
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mopPutChar(pkt, &idx, dllist[slot].count); |
282 |
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mopPutLong(pkt, &idx, dllist[slot].loadaddr); |
283 |
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284 |
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len = mopFileRead(&dllist[slot], &pkt[idx]); |
285 |
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286 |
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if (len > 0) { |
287 |
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dllist[slot].nloadaddr = dllist[slot].loadaddr + len; |
288 |
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idx = idx + len; |
289 |
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290 |
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mopPutLength(pkt, trans, idx); |
291 |
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} else { |
292 |
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if (len == 0) { |
293 |
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i = gethostname(hname, sizeof(hname)); |
294 |
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p = strchr(hname, '.'); |
295 |
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if (p != NULL) |
296 |
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*p = 0; |
297 |
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298 |
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idx = pidx; |
299 |
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mopPutChar(pkt, &idx, MOP_K_CODE_PLT); |
300 |
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mopPutChar(pkt, &idx, dllist[slot].count); |
301 |
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mopPutChar(pkt, &idx, MOP_K_PLTP_HSN); |
302 |
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mopPutChar(pkt, &idx, (int)strlen(hname)); |
303 |
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mopPutMulti(pkt, &idx, (u_char *)hname, (int)strlen(hname)); |
304 |
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mopPutChar(pkt, &idx, MOP_K_PLTP_HSA); |
305 |
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mopPutChar(pkt, &idx, 6); |
306 |
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mopPutMulti(pkt, &idx, src, 6); |
307 |
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mopPutChar(pkt, &idx, MOP_K_PLTP_HST); |
308 |
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mopPutTime(pkt, &idx, 0); |
309 |
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mopPutChar(pkt, &idx, 0); |
310 |
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mopPutLong(pkt, &idx, dllist[slot].xferaddr); |
311 |
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312 |
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mopPutLength(pkt, trans, idx); |
313 |
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314 |
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dllist[slot].status = DL_STATUS_SENT_PLT; |
315 |
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} else { |
316 |
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dllist[slot].status = DL_STATUS_FREE; |
317 |
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return; |
318 |
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} |
319 |
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} |
320 |
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|
321 |
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if (DebugFlag == DEBUG_ONELINE) |
322 |
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mopPrintOneline(stdout, pkt, trans); |
323 |
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324 |
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if (DebugFlag >= DEBUG_HEADER) { |
325 |
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mopPrintHeader(stdout, pkt, trans); |
326 |
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mopPrintMopHeader(stdout, pkt, trans); |
327 |
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} |
328 |
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329 |
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if (DebugFlag >= DEBUG_INFO) |
330 |
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mopDumpDL(stdout, pkt, trans); |
331 |
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332 |
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if (pfWrite(dllist[slot].ii->fd, pkt, idx, trans) != idx) |
333 |
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if (DebugFlag) |
334 |
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warnx("pfWrite() error"); |
335 |
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} |
336 |
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337 |
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/* ARGSUSED */ |
338 |
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void |
339 |
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mopProcessDL(FILE *fd, struct if_info *ii, u_char *pkt, int *idx, u_char *dst, |
340 |
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u_char *src, int trans, u_short len) |
341 |
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{ |
342 |
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u_char tmpc; |
343 |
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u_short moplen; |
344 |
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u_char pfile[129], mopcode; |
345 |
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char filename[FILENAME_MAX]; |
346 |
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char line[100]; |
347 |
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int i, nfd; |
348 |
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struct dllist dl, *dl_rpr; |
349 |
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u_char load; |
350 |
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|
351 |
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if (DebugFlag == DEBUG_ONELINE) |
352 |
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mopPrintOneline(stdout, pkt, trans); |
353 |
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|
354 |
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if (DebugFlag >= DEBUG_HEADER) { |
355 |
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mopPrintHeader(stdout, pkt, trans); |
356 |
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mopPrintMopHeader(stdout, pkt, trans); |
357 |
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} |
358 |
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|
359 |
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if (DebugFlag >= DEBUG_INFO) |
360 |
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mopDumpDL(stdout, pkt, trans); |
361 |
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362 |
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moplen = mopGetLength(pkt, trans); |
363 |
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mopcode = mopGetChar(pkt, idx); |
364 |
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|
365 |
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switch (mopcode) { |
366 |
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case MOP_K_CODE_MLT: |
367 |
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break; |
368 |
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case MOP_K_CODE_DCM: |
369 |
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break; |
370 |
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case MOP_K_CODE_MLD: |
371 |
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break; |
372 |
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case MOP_K_CODE_ASV: |
373 |
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break; |
374 |
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case MOP_K_CODE_RMD: |
375 |
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break; |
376 |
|
|
case MOP_K_CODE_RPR: |
377 |
|
|
mopGetChar(pkt, idx); /* Device Type */ |
378 |
|
|
tmpc = mopGetChar(pkt, idx); /* Format Version */ |
379 |
|
|
if ((tmpc != MOP_K_RPR_FORMAT) && |
380 |
|
|
(tmpc != MOP_K_RPR_FORMAT_V3)) { |
381 |
|
|
fprintf(stderr, "mopd: Unknown RPR Format (%d) from ", |
382 |
|
|
tmpc); |
383 |
|
|
mopPrintHWA(stderr, src); |
384 |
|
|
fprintf(stderr, "\n"); |
385 |
|
|
} |
386 |
|
|
|
387 |
|
|
mopGetChar(pkt, idx); /* Program Type */ |
388 |
|
|
|
389 |
|
|
tmpc = mopGetChar(pkt, idx); /* Software ID Len */ |
390 |
|
|
if (tmpc > sizeof(pfile) - 1) |
391 |
|
|
return; |
392 |
|
|
for (i = 0; i < tmpc; i++) { |
393 |
|
|
pfile[i] = mopGetChar(pkt, idx); |
394 |
|
|
pfile[i+1] = '\0'; |
395 |
|
|
} |
396 |
|
|
|
397 |
|
|
if (tmpc == 0) { |
398 |
|
|
/* In a normal implementation of a MOP Loader this */ |
399 |
|
|
/* would cause a question to NML (DECnet) if this */ |
400 |
|
|
/* node is known and if so what image to load. But */ |
401 |
|
|
/* we don't have DECnet so we don't have anybody */ |
402 |
|
|
/* to ask. My solution is to use the ethernet addr */ |
403 |
|
|
/* as filename. Implementing a database would be */ |
404 |
|
|
/* overkill. */ |
405 |
|
|
snprintf((char *)pfile, sizeof pfile, |
406 |
|
|
"%02x%02x%02x%02x%02x%02x%c", |
407 |
|
|
src[0], src[1], src[2], src[3], src[4], src[5], 0); |
408 |
|
|
} |
409 |
|
|
|
410 |
|
|
mopGetChar(pkt, idx); /* Processor */ |
411 |
|
|
|
412 |
|
|
dl_rpr = &dl; |
413 |
|
|
bzero(dl_rpr, sizeof(*dl_rpr)); |
414 |
|
|
dl_rpr->ii = ii; |
415 |
|
|
bcopy(src, dl_rpr->eaddr, 6); |
416 |
|
|
mopProcessInfo(pkt, idx, moplen, dl_rpr, trans); |
417 |
|
|
|
418 |
|
|
snprintf(filename, sizeof(filename), "%s.SYS", pfile); |
419 |
|
|
if ((mopCmpEAddr(dst, dl_mcst) == 0)) { |
420 |
|
|
if ((nfd = open(filename, O_RDONLY, 0)) != -1) { |
421 |
|
|
close(nfd); |
422 |
|
|
mopSendASV(src, ii->eaddr, ii, trans); |
423 |
|
|
snprintf(line, sizeof(line), |
424 |
|
|
"%x:%x:%x:%x:%x:%x (%d) Do you have %s? " |
425 |
|
|
"(Yes)", src[0], src[1], src[2], src[3], |
426 |
|
|
src[4], src[5], trans, pfile); |
427 |
|
|
} else { |
428 |
|
|
snprintf(line, sizeof(line), |
429 |
|
|
"%x:%x:%x:%x:%x:%x (%d) Do you have %s? " |
430 |
|
|
"(No)", src[0], src[1], src[2], src[3], |
431 |
|
|
src[4], src[5], trans, pfile); |
432 |
|
|
} |
433 |
|
|
syslog(LOG_INFO, "%s", line); |
434 |
|
|
} else { |
435 |
|
|
if ((mopCmpEAddr(dst, ii->eaddr) == 0)) { |
436 |
|
|
dl_rpr->ldfd = open(filename, O_RDONLY, 0); |
437 |
|
|
mopStartLoad(src, ii->eaddr, dl_rpr, trans); |
438 |
|
|
snprintf(line, sizeof(line), |
439 |
|
|
"%x:%x:%x:%x:%x:%x Send me %s", |
440 |
|
|
src[0], src[1], src[2], src[3], src[4], |
441 |
|
|
src[5], pfile); |
442 |
|
|
syslog(LOG_INFO, "%s", line); |
443 |
|
|
} |
444 |
|
|
} |
445 |
|
|
break; |
446 |
|
|
case MOP_K_CODE_RML: |
447 |
|
|
load = mopGetChar(pkt, idx); /* Load Number */ |
448 |
|
|
mopGetChar(pkt, idx); /* Error */ |
449 |
|
|
if ((mopCmpEAddr(dst, ii->eaddr) == 0)) |
450 |
|
|
mopNextLoad(src, ii->eaddr, load, trans); |
451 |
|
|
break; |
452 |
|
|
case MOP_K_CODE_RDS: |
453 |
|
|
break; |
454 |
|
|
case MOP_K_CODE_MDD: |
455 |
|
|
break; |
456 |
|
|
case MOP_K_CODE_CCP: |
457 |
|
|
break; |
458 |
|
|
case MOP_K_CODE_PLT: |
459 |
|
|
break; |
460 |
|
|
default: |
461 |
|
|
break; |
462 |
|
|
} |
463 |
|
|
} |
464 |
|
|
|
465 |
|
|
/* ARGSUSED */ |
466 |
|
|
void |
467 |
|
|
mopProcessRC(FILE *fd, struct if_info *ii, u_char *pkt, int *idx, u_char dst, |
468 |
|
|
u_char *src, int trans, u_short len) |
469 |
|
|
{ |
470 |
|
|
u_char tmpc; |
471 |
|
|
u_short tmps, moplen = 0; |
472 |
|
|
u_char mopcode; |
473 |
|
|
struct dllist dl, *dl_rpr; |
474 |
|
|
|
475 |
|
|
if (DebugFlag == DEBUG_ONELINE) |
476 |
|
|
mopPrintOneline(stdout, pkt, trans); |
477 |
|
|
|
478 |
|
|
if (DebugFlag >= DEBUG_HEADER) { |
479 |
|
|
mopPrintHeader(stdout, pkt, trans); |
480 |
|
|
mopPrintMopHeader(stdout, pkt, trans); |
481 |
|
|
} |
482 |
|
|
|
483 |
|
|
if (DebugFlag >= DEBUG_INFO) |
484 |
|
|
mopDumpRC(stdout, pkt, trans); |
485 |
|
|
|
486 |
|
|
moplen = mopGetLength(pkt, trans); |
487 |
|
|
mopcode = mopGetChar(pkt, idx); |
488 |
|
|
|
489 |
|
|
switch (mopcode) { |
490 |
|
|
case MOP_K_CODE_RID: |
491 |
|
|
break; |
492 |
|
|
case MOP_K_CODE_BOT: |
493 |
|
|
break; |
494 |
|
|
case MOP_K_CODE_SID: |
495 |
|
|
tmpc = mopGetChar(pkt, idx); /* Reserved */ |
496 |
|
|
|
497 |
|
|
if ((DebugFlag >= DEBUG_INFO)) |
498 |
|
|
fprintf(stderr, "Reserved : %02x\n", tmpc); |
499 |
|
|
|
500 |
|
|
tmps = mopGetShort(pkt, idx); /* Receipt # */ |
501 |
|
|
if ((DebugFlag >= DEBUG_INFO)) |
502 |
|
|
fprintf(stderr, "Receipt Nbr : %04x\n", tmps); |
503 |
|
|
|
504 |
|
|
dl_rpr = &dl; |
505 |
|
|
bzero(dl_rpr, sizeof(*dl_rpr)); |
506 |
|
|
dl_rpr->ii = ii; |
507 |
|
|
bcopy(src, dl_rpr->eaddr, 6); |
508 |
|
|
mopProcessInfo(pkt, idx, moplen, dl_rpr, trans); |
509 |
|
|
break; |
510 |
|
|
case MOP_K_CODE_RQC: |
511 |
|
|
break; |
512 |
|
|
case MOP_K_CODE_CNT: |
513 |
|
|
break; |
514 |
|
|
case MOP_K_CODE_RVC: |
515 |
|
|
break; |
516 |
|
|
case MOP_K_CODE_RLC: |
517 |
|
|
break; |
518 |
|
|
case MOP_K_CODE_CCP: |
519 |
|
|
break; |
520 |
|
|
case MOP_K_CODE_CRA: |
521 |
|
|
break; |
522 |
|
|
default: |
523 |
|
|
break; |
524 |
|
|
} |
525 |
|
|
} |