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mirror of https://git.FreeBSD.org/src.git synced 2024-12-05 09:14:03 +00:00

Tidy up the code - bounds checking, return

value checking etc.

Submitted by:	eivind
This commit is contained in:
Brian Somers 1997-05-10 01:22:19 +00:00
parent 13743c302f
commit 274e766c99
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=25630
19 changed files with 221 additions and 131 deletions

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: auth.c,v 1.10 1997/02/22 16:10:01 peter Exp $
* $Id: auth.c,v 1.11 1997/05/07 23:01:21 brian Exp $
*
* TODO:
* o Implement check against with registered IP addresses.
@ -112,8 +112,12 @@ char *fname, *system, *key;
bzero(&DefHisAddress, sizeof(DefHisAddress));
n -= 2;
if (n > 0) {
ParseAddr(n--, &vector[2],
&DefHisAddress.ipaddr, &DefHisAddress.mask, &DefHisAddress.width);
if (ParseAddr(n--, &vector[2],
&DefHisAddress.ipaddr,
&DefHisAddress.mask,
&DefHisAddress.width) == 0) {
return(0); /* Invalid */
}
}
IpcpInit();
return(1); /* Valid */
@ -156,9 +160,11 @@ int len, setaddr;
#ifdef DEBUG
LogPrintf(LOG_LCP_BIT, "*** n = %d, %s\n", n, vector[2]);
#endif
ParseAddr(n--, &vector[2],
&DefHisAddress.ipaddr, &DefHisAddress.mask, &DefHisAddress.width);
IpcpInit();
if (ParseAddr(n--, &vector[2],
&DefHisAddress.ipaddr,
&DefHisAddress.mask,
&DefHisAddress.width) != 0)
IpcpInit();
}
return(passwd);
}

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id$
* $Id: ccp.c,v 1.10 1997/02/22 16:10:03 peter Exp $
*
* TODO:
* o Support other compression protocols
@ -31,8 +31,6 @@
#include "pred.h"
#include "cdefs.h"
extern void PutConfValue __P((void));
struct ccpstate CcpInfo;
static void CcpSendConfigReq __P((struct fsm *));
@ -78,7 +76,7 @@ static char const *cftypes[] = {
/* 20 */ "V42BIS", "BSD",
};
void
int
ReportCcpStatus()
{
struct ccpstate *icp = &CcpInfo;
@ -89,6 +87,7 @@ ReportCcpStatus()
cftypes[icp->want_proto], cftypes[icp->his_proto]);
printf("Input: %ld --> %ld, Output: %ld --> %ld\n",
icp->orgin, icp->compin, icp->orgout, icp->compout);
return 0;
}
void

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: chap.c,v 1.12 1997/03/17 14:47:55 ache Exp $
* $Id: chap.c,v 1.13 1997/03/24 16:01:42 ache Exp $
*
* TODO:
*/
@ -153,6 +153,10 @@ struct mbuf *bp;
name = VarAuthName;
namelen = strlen(VarAuthName);
argp = malloc(1 + valsize + namelen + 16);
if (argp == NULL) {
ChapOutput(CHAP_FAILURE, chp->id, "Out of memory!", 14);
return;
}
digest = argp;
*digest++ = 16; /* value size */
ap = answer;

View File

@ -18,7 +18,7 @@
* Columbus, OH 43221
* (614)451-1883
*
* $Id: chat.c,v 1.22 1997/03/13 12:45:28 brian Exp $
* $Id: chat.c,v 1.23 1997/05/07 23:01:23 brian Exp $
*
* TODO:
* o Support more UUCP compatible control sequences.
@ -38,6 +38,7 @@
#include <sys/wait.h>
#include "timeout.h"
#include "vars.h"
#include "chat.h"
#include "sig.h"
#include "chat.h"
@ -255,8 +256,8 @@ char *estr;
char *s, *str, ch;
char *inp;
fd_set rfds;
int i, nfds, nb, msg;
char buff[200];
int i, nfds, nb;
char buff[IBSIZE];
#ifdef SIGALRM
@ -270,13 +271,12 @@ char *estr;
inp = inbuff;
if (strlen(str)>=IBSIZE){
str[IBSIZE]=0;
str[IBSIZE-1]=0;
LogPrintf(LOG_CHAT_BIT, "Truncating String to %d character: %s\n", IBSIZE, str);
}
nfds = modem + 1;
s = str;
msg = FALSE;
for (;;) {
FD_ZERO(&rfds);
FD_SET(modem, &rfds);
@ -302,7 +302,7 @@ char *estr;
} else if (i == 0) { /* Timeout reached! */
*inp = 0;
if (inp != inbuff)
LogPrintf(LOG_CHAT_BIT, "got: %s\n", inbuff);
LogPrintf(LOG_CHAT_BIT, "got: %s\n", inbuff);
LogPrintf(LOG_CHAT_BIT, "can't get (%d).\n", timeout.tv_sec);
#ifdef SIGALRM
sigsetmask(omask);
@ -337,7 +337,11 @@ char *estr;
}
}
} else {
read(modem, &ch, 1);
if (read(modem, &ch, 1) < 0) {
perror("read error");
*inp = '\0';
return(NOMATCH);
}
connect_log(&ch,1);
*inp++ = ch;
if (ch == *s) {
@ -376,9 +380,6 @@ char *estr;
}
}
}
#ifdef SIGALRM
sigsetmask(omask);
#endif
}
void
@ -401,10 +402,19 @@ char *command, *out;
}
cp--;
}
snprintf(tmp, sizeof tmp, "%s %s", command, cp);
if (snprintf(tmp, sizeof tmp, "%s %s", command, cp) >= sizeof tmp) {
LogPrintf(LOG_CHAT_BIT, "Too long string to ExecStr: \"%s\"\n",
command);
return;
}
(void) MakeArgs(tmp, vector, VECSIZE(vector));
pipe(fids);
if (pipe(fids) < 0) {
LogPrintf(LOG_CHAT_BIT, "Unable to create pipe in ExecStr: %s\n",
strerror(errno));
return;
}
pid = fork();
if (pid == 0) {
TermTimerService();
@ -414,10 +424,18 @@ char *command, *out;
signal(SIGHUP, SIG_DFL);
signal(SIGALRM, SIG_DFL);
close(fids[0]);
dup2(fids[1], 1);
if (dup2(fids[1], 1) < 0) {
LogPrintf(LOG_CHAT_BIT, "dup2(fids[1], 1) in ExecStr: %s\n",
strerror(errno));
return;
}
close(fids[1]);
nb = open("/dev/tty", O_RDWR);
dup2(nb, 0);
if (dup2(nb, 0) < 0) {
LogPrintf(LOG_CHAT_BIT, "dup2(nb, 0) in ExecStr: %s\n",
strerror(errno));
return;
}
LogPrintf(LOG_CHAT_BIT, "exec: %s\n", command);
/* switch back to original privileges */
if (setgid(getgid()) < 0) {
@ -451,7 +469,7 @@ SendString(str)
char *str;
{
char *cp;
int nb, on;
int on;
char buff[200];
if (abort_next) {
@ -481,7 +499,7 @@ char *str;
else
cp += 2;
on = strlen(cp);
nb = write(modem, cp, on);
write(modem, cp, on);
}
}

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: command.c,v 1.41 1997/05/08 01:26:31 brian Exp $
* $Id: command.c,v 1.42 1997/05/09 23:34:56 brian Exp $
*
*/
#include <sys/types.h>
@ -34,7 +34,8 @@
#include "command.h"
#include "hdlc.h"
#include "vars.h"
#include "auth.h"
#include "systems.h"
#include "chat.h"
#include <netdb.h>
#include <sys/socket.h>
#include <arpa/inet.h>
@ -223,10 +224,10 @@ char **argv;
argv[i] = strdup(inet_ntoa(IpcpInfo.want_ipaddr));
}
}
execvp(argv[0], argv);
(void)execvp(argv[0], argv);
}
else
execl(shell, shell, NULL);
(void)execl(shell, shell, NULL);
fprintf(stdout, "exec() of %s failed\n", argc > 0? argv[0]: shell);
exit(255);
@ -563,7 +564,7 @@ int prompt;
}
}
if (val && prompt)
Prompt(0);
Prompt();
}
static int
@ -884,19 +885,30 @@ char **argv;
{
DefMyAddress.ipaddr.s_addr = DefHisAddress.ipaddr.s_addr = 0L;
if (argc > 4) {
printf("set ifaddr: too many arguments (%d > 4)\n", argc);
return(0);
}
if (argc > 0) {
ParseAddr(argc, argv++,
&DefMyAddress.ipaddr, &DefMyAddress.mask, &DefMyAddress.width);
if (ParseAddr(argc, argv++,
&DefMyAddress.ipaddr,
&DefMyAddress.mask,
&DefMyAddress.width) == 0)
return(0);
if (--argc > 0) {
ParseAddr(argc, argv++,
&DefHisAddress.ipaddr, &DefHisAddress.mask, &DefHisAddress.width);
if (ParseAddr(argc, argv++,
&DefHisAddress.ipaddr,
&DefHisAddress.mask,
&DefHisAddress.width) == 0)
return(0);
if (--argc > 0) {
ifnetmask = GetIpAddr(*argv);
if (--argc > 0) {
ParseAddr(argc, argv++,
&DefTriggerAddress.ipaddr,
&DefTriggerAddress.mask,
&DefTriggerAddress.width);
if (ParseAddr(argc, argv++,
&DefTriggerAddress.ipaddr,
&DefTriggerAddress.mask,
&DefTriggerAddress.width) == 0)
return(0);
}
}
}
@ -915,7 +927,8 @@ char **argv;
if ((mode & MODE_AUTO) ||
((mode & MODE_DEDICATED) && dstsystem)) {
OsSetIpaddress(DefMyAddress.ipaddr, DefHisAddress.ipaddr, ifnetmask);
if (OsSetIpaddress(DefMyAddress.ipaddr, DefHisAddress.ipaddr, ifnetmask) < 0)
return(0);
}
return(1);
}

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id$
* $Id: filter.c,v 1.8 1997/02/22 16:10:12 peter Exp $
*
* TODO: Shoud send ICMP error message when we discard packets.
*/
@ -67,7 +67,7 @@ int *pwidth;
return(0);
}
pmask->s_addr = -1; /* Assume 255.255.255.255 as default */
pmask->s_addr = 0xffffffff; /* Assume 255.255.255.255 as default */
cp = index(*argv, '/');
if (cp) *cp++ = '\0';
addr = inet_addr(*argv);

View File

@ -15,7 +15,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id$
* $Id: filter.h,v 1.6 1997/02/22 16:10:12 peter Exp $
*
* TODO:
*/
@ -80,4 +80,4 @@ struct filterent dfilters[MAXFILTERS];
struct filterent afilters[MAXFILTERS]; /* keep Alive packet filter */
extern int ParseAddr __P((int, char **, struct in_addr *, struct in_addr *, int*));
#endif _FILTER_H_
#endif /* _FILTER_H_ */

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id$
* $Id: fsm.c,v 1.9 1997/02/22 16:10:13 peter Exp $
*
* TODO:
* o Refer loglevel for log output
@ -350,7 +350,7 @@ struct mbuf *bp;
return;
case ST_CLOSING:
case ST_STOPPING:
logprintf("## state = %d\n", fp->state);
logprintf("## state = %d\n", fp->state);
pfree(bp);
return;
}

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@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: hdlc.c,v 1.12 1997/04/19 09:25:58 phk Exp $
* $Id: hdlc.c,v 1.13 1997/04/19 11:31:38 ache Exp $
*
* TODO:
*/
@ -108,10 +108,7 @@ HdlcInit()
* 2.27 for further details.
*/
inline u_short
HdlcFcs(fcs, cp, len)
u_short fcs;
u_char *cp;
int len;
HdlcFcs(u_short fcs, u_char *cp, int len)
{
while (len--)
fcs = (fcs >> 8) ^ fcstab[(fcs ^ *cp++) & 0xff];
@ -200,9 +197,7 @@ HdlcOutput(int pri, u_short proto, struct mbuf *bp)
}
void
DecodePacket(proto, bp)
u_short proto;
struct mbuf *bp;
DecodePacket(u_short proto, struct mbuf *bp)
{
#ifdef DEBUG
logprintf("proto = %04x\n", proto);

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: ip.c,v 1.14 1997/02/22 16:10:18 peter Exp $
* $Id: ip.c,v 1.15 1997/04/21 01:01:45 brian Exp $
*
* TODO:
* o Return ICMP message for filterd packet
@ -389,11 +389,10 @@ IpStartOutput()
{
struct mqueue *queue;
struct mbuf *bp;
int pri, cnt;
int cnt;
if (IpcpFsm.state != ST_OPENED)
return;
pri = PRI_FAST;
for (queue = &IpOutputQueues[PRI_FAST]; queue >= IpOutputQueues; queue--) {
if (queue->top) {
bp = Dequeue(queue);
@ -405,6 +404,5 @@ IpStartOutput()
break;
}
}
pri--;
}
}

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id$
* $Id: ipcp.c,v 1.13 1997/02/22 16:10:20 peter Exp $
*
* TODO:
* o More RFC1772 backwoard compatibility
@ -118,7 +118,7 @@ IpcpStartReport()
StartTimer(&IpcpReportTimer);
}
void
int
ReportIpcpStatus()
{
struct ipcpstate *icp = &IpcpInfo;
@ -137,6 +137,7 @@ ReportIpcpStatus()
inet_ntoa(DefHisAddress.ipaddr), DefHisAddress.width);
printf(" Negotiation: %s/%d\n",
inet_ntoa(DefTriggerAddress.ipaddr), DefTriggerAddress.width);
return 0;
}
void
@ -267,12 +268,15 @@ struct fsm *fp;
#ifdef VERBOSE
fprintf(stderr, "%s: LayerUp(%d).\r\n", fp->name, fp->state);
#endif
Prompt(1);
Prompt();
LogPrintf(LOG_LCP_BIT, "%s: LayerUp.\n", fp->name);
snprintf(tbuff, sizeof(tbuff), "myaddr = %s ",
inet_ntoa(IpcpInfo.want_ipaddr));
LogPrintf(LOG_LCP_BIT|LOG_LINK_BIT, " %s hisaddr = %s\n", tbuff, inet_ntoa(IpcpInfo.his_ipaddr));
OsSetIpaddress(IpcpInfo.want_ipaddr, IpcpInfo.his_ipaddr, ifnetmask);
if (OsSetIpaddress(IpcpInfo.want_ipaddr, IpcpInfo.his_ipaddr, ifnetmask) < 0) {
printf("unable to set ip address\n");
return;
}
OsLinkup();
IpcpStartReport();
StartIdleTimer();

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@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: lcp.c,v 1.13 1997/03/13 21:22:06 brian Exp $
* $Id: lcp.c,v 1.14 1997/05/05 23:45:15 brian Exp $
*
* TODO:
* o Validate magic number received from peer.
@ -350,7 +350,7 @@ struct fsm *fp;
#ifdef VERBOSE
fprintf(stderr, "%s: LayerFinish\r\n", fp->name);
#endif
Prompt(1);
Prompt();
LogPrintf(LOG_LCP_BIT, "%s: LayerFinish\n", fp->name);
#ifdef notdef
OsCloseLink(0);
@ -359,7 +359,7 @@ struct fsm *fp;
#endif
NewPhase(PHASE_DEAD);
StopAllTimers();
OsInterfaceDown(0);
(void)OsInterfaceDown(0);
}
static void
@ -388,7 +388,7 @@ struct fsm *fp;
StopAllTimers();
OsLinkdown();
NewPhase(PHASE_TERMINATE);
Prompt(1);
Prompt();
}
void

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@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: main.c,v 1.45 1997/04/21 01:01:48 brian Exp $
* $Id: main.c,v 1.46 1997/05/04 02:39:03 ache Exp $
*
* TODO:
* o Add commands for traffic summary, version display, etc.
@ -61,13 +61,12 @@
#endif
extern void VjInit(), AsyncInit();
extern void AsyncInput(), IpOutput();
extern void AsyncInput();
extern int SelectSystem();
extern void DecodeCommand(), Prompt();
extern int aft_cmd;
extern int IsInteractive();
extern struct in_addr ifnetmask;
static void DoLoop(void);
static void TerminalStop();
@ -87,8 +86,10 @@ TtyInit()
int stat;
stat = fcntl(0, F_GETFL, 0);
stat |= O_NONBLOCK;
fcntl(0, F_SETFL, stat);
if (stat > 0) {
stat |= O_NONBLOCK;
(void)fcntl(0, F_SETFL, stat);
}
newtio = oldtio;
newtio.c_lflag &= ~(ECHO|ISIG|ICANON);
newtio.c_iflag = 0;
@ -120,10 +121,12 @@ int prompt;
newtio.c_oflag |= OPOST;
tcsetattr(0, TCSADRAIN, &newtio);
stat = fcntl(0, F_GETFL, 0);
stat |= O_NONBLOCK;
fcntl(0, F_SETFL, stat);
if (stat > 0) {
stat |= O_NONBLOCK;
(void)fcntl(0, F_SETFL, stat);
}
TermMode = 0;
if(prompt) Prompt(0);
if(prompt) Prompt();
}
/*
@ -136,8 +139,10 @@ TtyTermMode()
tcsetattr(0, TCSADRAIN, &comtio);
stat = fcntl(0, F_GETFL, 0);
stat &= ~O_NONBLOCK;
fcntl(0, F_SETFL, stat);
if (stat > 0) {
stat &= ~O_NONBLOCK;
(void)fcntl(0, F_SETFL, stat);
}
TermMode = 1;
}
@ -147,8 +152,10 @@ TtyOldMode()
int stat;
stat = fcntl(0, F_GETFL, 0);
stat &= ~O_NONBLOCK;
fcntl(0, F_SETFL, stat);
if (stat > 0) {
stat &= ~O_NONBLOCK;
(void)fcntl(0, F_SETFL, stat);
}
tcsetattr(0, TCSANOW, &oldtio);
}
@ -390,12 +397,6 @@ char **argv;
if (mode & MODE_DIRECT)
printf("Packet mode enabled.\n");
#ifdef notdef
if (mode & MODE_AUTO) {
OsSetIpaddress(IpcpInfo.want_ipaddr, IpcpInfo.his_ipaddr, ifnetmask);
}
#endif
if (!(mode & MODE_INTER)) {
int port = SERVER_PORT + tunno;
if (mode & MODE_BACKGROUND) {
@ -422,7 +423,9 @@ char **argv;
fprintf(stderr, "Wait for a while, then try again.\n");
Cleanup(EX_SOCK);
}
listen(server, 5);
if (listen(server, 5) != 0) {
fprintf(stderr, "Unable to listen to socket - OS overload?\n");
}
}
DupLog();
@ -927,7 +930,7 @@ DoLoop()
break;
}
(void) IsInteractive();
Prompt(0);
Prompt();
}
if ((mode & MODE_INTER) && (netfd >= 0 && FD_ISSET(netfd, &rfds)) &&
@ -963,18 +966,12 @@ DoLoop()
write(1, "\r\n", 2);
}
PacketMode();
#ifdef notdef
AsyncInput(cp, n - (cp - rbuff));
#endif
} else
write(1, rbuff, n);
}
} else {
if (n > 0)
AsyncInput(rbuff, n);
#ifdef notdef
continue; /* THIS LINE RESULT AS POOR PERFORMANCE */
#endif
}
}
}

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id$
* $Id: mbuf.c,v 1.5 1997/02/22 16:10:34 peter Exp $
*
*/
#include "defs.h"
@ -51,8 +51,18 @@ int type;
if (type > MB_MAX)
logprintf("bad type %d\n", type);
bp = (struct mbuf *)malloc(sizeof(struct mbuf));
if (bp == NULL) {
logprintf("failed to allocate memory: %u\n", sizeof(struct mbuf));
fprintf(stderr,"failed to allocate memory: %u\n", sizeof(struct mbuf));
exit(0);
}
bzero(bp, sizeof(struct mbuf));
p = (u_char *)malloc(cnt);
if (p == NULL) {
logprintf("failed to allocate memory: %d\n", cnt);
fprintf(stderr,"failed to allocate memory: %d\n", cnt);
exit(0);
}
MemMap[type].count += cnt;
totalalloced += cnt;
bp->base = p;

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: modem.c,v 1.33 1997/04/13 00:54:44 brian Exp $
* $Id: modem.c,v 1.34 1997/04/21 01:01:53 brian Exp $
*
* TODO:
*/
@ -238,7 +238,11 @@ ModemTimeout()
StartTimer(&ModemTimer);
if (dev_is_modem) {
ioctl(modem, TIOCMGET, &mbits);
if (ioctl(modem, TIOCMGET, &mbits) < 0) {
LogPrintf(LOG_PHASE_BIT, "ioctl error (%s)!\n", strerror(errno));
DownConnection();
return;
}
change = ombits ^ mbits;
if (change & TIOCM_CD) {
if (Online) {
@ -475,7 +479,10 @@ int mode;
*/
rstio.c_cflag &= ~(CSIZE|PARODD|PARENB);
rstio.c_cflag |= VarParity;
cfsetspeed(&rstio, IntToSpeed(VarSpeed));
if (cfsetspeed(&rstio, IntToSpeed(VarSpeed)) == -1) {
logprintf("Unable to set modem speed (modem %d to %d)\n",
modem, VarSpeed);
}
}
tcsetattr(modem, TCSADRAIN, &rstio);
#ifdef DEBUG
@ -484,13 +491,16 @@ int mode;
#endif
if (!(mode & MODE_DIRECT))
ioctl(modem, TIOCMGET, &mbits);
if (ioctl(modem, TIOCMGET, &mbits))
return(-1);
#ifdef DEBUG
fprintf(stderr, "modem control = %o\n", mbits);
#endif
oldflag = fcntl(modem, F_GETFL, 0);
fcntl(modem, F_SETFL, oldflag & ~O_NONBLOCK);
if (oldflag < 0)
return(-1);
(void)fcntl(modem, F_SETFL, oldflag & ~O_NONBLOCK);
}
StartModemTimer();
@ -537,7 +547,9 @@ int modem;
rstio.c_cflag |= HUPCL;
tcsetattr(modem, TCSADRAIN, &rstio);
oldflag = fcntl(modem, F_GETFL, 0);
fcntl(modem, F_SETFL, oldflag | O_NONBLOCK);
if (oldflag < 0)
return(-1);
(void)fcntl(modem, F_SETFL, oldflag | O_NONBLOCK);
#ifdef DEBUG
oldflag = fcntl(modem, F_GETFL, 0);
logprintf("modem (put2): iflag = %x, oflag = %x, cflag = %x\n",
@ -556,7 +568,9 @@ int modem;
if (isatty(modem) && !DEV_IS_SYNC) {
tcsetattr(modem, TCSAFLUSH, &modemios);
oldflag = fcntl(modem, F_GETFL, 0);
fcntl(modem, F_SETFL, oldflag & ~O_NONBLOCK);
if (oldflag < 0)
return;
(void)fcntl(modem, F_SETFL, oldflag & ~O_NONBLOCK);
}
}
@ -579,7 +593,9 @@ int flag;
ioctl(modem, TIOCMSET, &mbits);
#else
tcgetattr(modem, &tio);
cfsetspeed(&tio, B0);
if (cfsetspeed(&tio, B0) == -1) {
logprintf("Unable to set modem to speed 0\n");
}
tcsetattr(modem, TCSANOW, &tio);
#endif
sleep(1);
@ -685,12 +701,17 @@ ModemStartOutput(fd)
int fd;
{
struct mqueue *queue;
int nb, nw, i;
int nb, nw;
#ifdef QDEBUG
int i;
#endif
if (modemout == NULL && ModemQlen() == 0)
IpStartOutput();
if (modemout == NULL) {
#ifdef QDEBUG
i = PRI_LINK;
#endif
for (queue = &OutputQueues[PRI_LINK]; queue >= OutputQueues; queue--) {
if (queue->top) {
modemout = Dequeue(queue);
@ -705,7 +726,9 @@ int fd;
#endif
break;
}
#ifdef QDEBUG
i--;
#endif
}
}
if (modemout) {
@ -764,7 +787,7 @@ DialModem()
}
}
HangupModem(0);
return(0);
return(excode);
}
int
@ -803,8 +826,10 @@ ShowModemStatus()
#endif
printf("connect count: %d\n", connect_count);
#ifdef TIOCOUTQ
ioctl(modem, TIOCOUTQ, &nb);
printf("outq: %d\n", nb);
if (ioctl(modem, TIOCOUTQ, &nb) > 0)
printf("outq: %d\n", nb);
else
printf("outq: ioctl probe failed.\n");
#endif
printf("outqlen: %d\n", ModemQlen());
printf("DialScript = %s\n", VarDialScript);

View File

@ -5,7 +5,7 @@
/*
*
* $Id$
* $Id: pred.c,v 1.9 1997/02/22 16:10:47 peter Exp $
*
* pred.c -- Test program for Dave Rand's rendition of the
* predictor algorithm
@ -20,8 +20,8 @@
* A better hash function would result in additional compression,
* at the expense of time.
*/
#define IHASH(x) iHash = (iHash << 4) ^ (x)
#define OHASH(x) oHash = (oHash << 4) ^ (x)
#define IHASH(x) do {iHash = (iHash << 4) ^ (x);} while(0)
#define OHASH(x) do {oHash = (oHash << 4) ^ (x);} while(0)
static unsigned short int iHash, oHash;
static unsigned char InputGuessTable[65536];
@ -111,10 +111,7 @@ int direction;
}
void
Pred1Output(pri, proto, bp)
int pri;
u_short proto;
struct mbuf *bp;
Pred1Output(int pri, u_short proto, struct mbuf *bp)
{
struct mbuf *mwp;
u_char *cp, *wp, *hp;

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id$
* $Id: route.c,v 1.12 1997/02/22 16:10:49 peter Exp $
*
*/
#include <sys/types.h>
@ -412,7 +412,7 @@ char *name;
#endif
if (strcmp(ifrp->ifr_name, name) == 0) {
IfIndex = index;
free(buffer);
free(buffer);
return(index);
}
index++;

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id$
* $Id: systems.c,v 1.9 1997/02/22 16:10:56 peter Exp $
*
* TODO:
*/
@ -47,8 +47,14 @@ static void
SetUserId()
{
if (!usermode) {
setreuid(euid, uid);
setregid(egid, gid);
if (setreuid(euid, uid) == -1) {
logprintf("unable to setreuid!\n");
exit(1);
}
if (setregid(egid, gid) == -1) {
logprintf("unable to setregid!\n");
exit(1);
}
usermode = 1;
}
}
@ -57,8 +63,14 @@ static void
SetPppId()
{
if (usermode) {
setreuid(uid, euid);
setregid(gid, egid);
if (setreuid(uid, euid) == -1) {
logprintf("unable to setreuid!\n");
exit(1);
}
if (setregid(gid, egid) == -1) {
logprintf("unable to setregid!\n");
exit(1);
}
usermode = 0;
}
}
@ -110,30 +122,35 @@ char *file;
int val = -1;
u_char olauth;
char line[200];
char filename[200];
int linenum;
fp = NULL;
cp = getenv("HOME");
if (cp) {
SetUserId();
snprintf(line, sizeof line, "%s/.%s", cp, file);
fp = fopen(line, "r");
snprintf(filename, sizeof filename, "%s/.%s", cp, file);
fp = fopen(filename, "r");
}
if (fp == NULL) {
SetPppId(); /* fix from pdp@ark.jr3uom.iijnet.or.jp */
snprintf(line, sizeof line, "%s/%s", _PATH_PPP, file);
fp = fopen(line, "r");
snprintf(filename, sizeof filename, "%s/%s", _PATH_PPP, file);
fp = fopen(filename, "r");
}
if (fp == NULL) {
#ifdef DEBUG
fprintf(stderr, "can't open %s.\n", line);
fprintf(stderr, "can't open %s.\n", filename);
#endif
SetPppId();
return(-1);
}
#ifdef DEBUG
fprintf(stderr, "checking %s (%s).\n", name, line);
fprintf(stderr, "checking %s (%s).\n", name, filename);
#endif
linenum = 0;
while (fgets(line, sizeof(line), fp)) {
linenum++;
cp = line;
switch (*cp) {
case '#': /* comment */
@ -143,6 +160,11 @@ char *file;
break;
default:
wp = strpbrk(cp, ":\n");
if (wp == NULL) {
fprintf(stderr, "Bad rule in %s (line %d) - missing colon.\n",
filename, linenum);
exit(1);
}
*wp = '\0';
if (strcmp(cp, name) == 0) {
while (fgets(line, sizeof(line), fp)) {
@ -196,8 +218,6 @@ char **argv;
return(1);
}
extern struct in_addr ifnetmask;
int
SaveCommand(list, argc, argv)
struct cmdtab *list;

View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: timer.c,v 1.14 1997/03/13 12:45:26 brian Exp $
* $Id: timer.c,v 1.15 1997/05/09 20:48:21 brian Exp $
*
* TODO:
*/
@ -274,7 +274,9 @@ void InitTimerService( void ) {
pending_signal(SIGALRM, (void (*)(int))TimerService);
itimer.it_interval.tv_sec = itimer.it_value.tv_sec = 0;
itimer.it_interval.tv_usec = itimer.it_value.tv_usec = TICKUNIT;
setitimer(ITIMER_REAL, &itimer, NULL);
if (setitimer(ITIMER_REAL, &itimer, NULL) == -1) {
logprintf("Unable to set itimer.\n");
}
}
void TermTimerService( void ) {
@ -282,7 +284,9 @@ void TermTimerService( void ) {
itimer.it_interval.tv_usec = itimer.it_interval.tv_sec = 0;
itimer.it_value.tv_usec = itimer.it_value.tv_sec = 0;
setitimer(ITIMER_REAL, &itimer, NULL);
if (setitimer(ITIMER_REAL, &itimer, NULL) == -1) {
logprintf("Unable to set itimer.\n");
}
pending_signal(SIGALRM, SIG_IGN);
}
#endif