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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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1. Clean up log message.
2. Optimize ModemQlen. 3. Sending ProtoReject for Unknow protocol (i.e. IPX) 4. Avoid select looping by reading tun under the high system load. 5. Adding Local version String for maintenance. 6. Just more speak rather silent ignore if you type invalid key words.
This commit is contained in:
Atsushi Murai
parent
6498e7d632
commit
60e218e470
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=9448
@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: command.c,v 1.6 1995/06/16 07:07:56 phk Exp $
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* $Id: command.c,v 1.7 1995/07/08 08:28:00 amurai Exp $
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*
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*/
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#include <ctype.h>
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@ -244,8 +244,9 @@ static int ShowAuthKey()
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static int ShowVersion()
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{
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extern char *VarVersion[];
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extern char *VarLocalVersion[];
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printf("%s\n", VarVersion);
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printf("%s - %s \n", VarVersion, VarLocalVersion);
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return(1);
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}
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@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: hdlc.c,v 1.2 1995/02/26 12:17:30 amurai Exp $
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* $Id: hdlc.c,v 1.3 1995/05/30 03:50:33 rgrimes Exp $
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*
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* TODO:
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*/
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@ -203,6 +203,8 @@ struct mbuf *bp;
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#ifdef DEBUG
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logprintf("proto = %04x\n", proto);
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#endif
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u_char *cp;
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switch (proto) {
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case PROTO_LCP:
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LcpInput(bp);
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@ -237,10 +239,11 @@ struct mbuf *bp;
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Pred1Input(bp);
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break;
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default:
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logprintf("Unknown protocol 0x%04x\n", proto);
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/*
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* XXX: Should send protocol reject.
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*/
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LogPrintf(LOG_PHASE, "Unknown protocol 0x%04x\n", proto);
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bp->offset -= 2;
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bp->cnt += 2;
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cp = MBUF_CTOP(bp);
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LcpSendProtoRej(cp, bp->cnt);
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HisLqrSave.SaveInDiscards++;
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HdlcStat.unknownproto++;
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pfree(bp);
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@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: main.c,v 1.5 1995/05/30 03:50:47 rgrimes Exp $
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* $Id: main.c,v 1.6 1995/07/06 02:58:57 asami Exp $
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*
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* TODO:
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* o Add commands for traffic summary, version display, etc.
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@ -553,10 +553,11 @@ DoLoop()
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u_char *cp;
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u_char rbuff[MAX_MRU];
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int dial_up;
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int qlen;
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if (mode & MODE_DIRECT) {
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modem = OpenModem(mode);
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fprintf(stderr, "Packet mode enabled\n");
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LogPrintf(LOG_PHASE, "Packet mode enabled\n");
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PacketMode();
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} else if (mode & MODE_DEDICATED) {
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if (!modem)
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@ -602,10 +603,11 @@ DoLoop()
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}
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}
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}
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qlen = ModemQlen();
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if (modem) {
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FD_SET(modem, &rfds);
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FD_SET(modem, &efds);
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if (ModemQlen() > 0) {
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if (qlen > 0) {
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FD_SET(modem, &wfds);
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}
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}
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@ -622,8 +624,12 @@ DoLoop()
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usleep(TICKUNIT);
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TimerService();
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#endif
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FD_SET(tun_in, &rfds);
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if ( qlen < 20 ) {
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/*
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* If there are many packets queued, wait until they are drained.
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*/
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FD_SET(tun_in, &rfds);
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}
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if (netfd > -1) {
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FD_SET(netfd, &rfds);
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FD_SET(netfd, &efds);
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@ -742,12 +748,6 @@ DoLoop()
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}
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if (FD_ISSET(tun_in, &rfds)) { /* something to read from tun */
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/*
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* If there are many packets queued, wait until they are drained.
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*/
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if (ModemQlen() > 5)
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continue;
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n = read(tun_in, rbuff, sizeof(rbuff));
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if (n < 0) {
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perror("read from tun");
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@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: modem.c,v 1.6 1995/05/30 03:50:51 rgrimes Exp $
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* $Id: modem.c,v 1.7 1995/06/30 19:53:04 dfr Exp $
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*
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* TODO:
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*/
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@ -645,16 +645,16 @@ struct mbuf *bp;
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int
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ModemQlen()
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{
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struct mbuf *bp;
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struct mqueue *queue;
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int len = 0;
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int i;
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for (i = PRI_NORMAL; i <= PRI_URGENT; i++) {
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for (bp = OutputQueues[i].top; bp; bp = bp->pnext)
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len++;
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for ( i = PRI_NORMAL; i <= PRI_URGENT; i ++ ) {
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queue = &OutputQueues[i];
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len += queue->qlen;
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}
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return(len);
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}
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void
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@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: vars.c,v 1.2 1995/02/26 12:18:05 amurai Exp $
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* $Id: vars.c,v 1.3 1995/05/30 03:51:01 rgrimes Exp $
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*
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*/
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#include "fsm.h"
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@ -26,8 +26,10 @@
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#include "termios.h"
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#include "vars.h"
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#include "auth.h"
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#include "defs.h"
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char VarVersion[] = "Version 0.94";
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char VarLocalVersion[] = "$Date$";
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/*
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* Order of conf option is important. See vars.h.
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@ -71,6 +73,7 @@ int argc;
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char **argv;
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{
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struct confdesc *vp;
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int found = FALSE;
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if (argc < 1) {
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printf("disable what?\n");
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@ -78,9 +81,13 @@ char **argv;
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}
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do {
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for (vp = pppConfs; vp->name; vp++) {
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if (strcasecmp(vp->name, *argv) == 0)
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if (strcasecmp(vp->name, *argv) == 0) {
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vp->myside = CONF_DISABLE;
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found = TRUE;
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}
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}
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if ( found == FALSE )
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printf("%s - No such key word\n", *argv );
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argc--; argv++;
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} while (argc > 0);
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return(1);
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@ -93,6 +100,7 @@ int argc;
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char **argv;
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{
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struct confdesc *vp;
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int found = FALSE;
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if (argc < 1) {
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printf("enable what?\n");
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@ -100,9 +108,13 @@ char **argv;
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}
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do {
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for (vp = pppConfs; vp->name; vp++) {
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if (strcasecmp(vp->name, *argv) == 0)
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if (strcasecmp(vp->name, *argv) == 0) {
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vp->myside = CONF_ENABLE;
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found = TRUE;
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}
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}
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if ( found == FALSE )
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printf("%s - No such key word\n", *argv );
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argc--; argv++;
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} while (argc > 0);
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return(1);
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@ -115,6 +127,7 @@ int argc;
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char **argv;
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{
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struct confdesc *vp;
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int found = FALSE;
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if (argc < 1) {
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printf("accept what?\n");
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@ -122,9 +135,13 @@ char **argv;
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}
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do {
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for (vp = pppConfs; vp->name; vp++) {
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if (strcasecmp(vp->name, *argv) == 0)
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if (strcasecmp(vp->name, *argv) == 0) {
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vp->hisside = CONF_ACCEPT;
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found = TRUE;
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}
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}
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if ( found == FALSE )
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printf("%s - No such key word\n", *argv );
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argc--; argv++;
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} while (argc > 0);
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return(1);
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@ -137,6 +154,7 @@ int argc;
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char **argv;
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{
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struct confdesc *vp;
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int found = FALSE;
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if (argc < 1) {
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printf("enable what?\n");
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@ -144,9 +162,13 @@ char **argv;
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}
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do {
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for (vp = pppConfs; vp->name; vp++) {
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if (strcasecmp(vp->name, *argv) == 0)
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if (strcasecmp(vp->name, *argv) == 0) {
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vp->hisside = CONF_DENY;
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found = TRUE;
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}
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}
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if ( found == FALSE )
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printf("%s - No such key word\n", *argv );
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argc--; argv++;
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} while (argc > 0);
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return(1);
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