void
physical_Close(struct physical *p)
{
int newsid;
char fn[PATH_MAX];
struct utmpx ut;
if (p->fd < 0)
return;
log_Printf(LogDEBUG, "%s: Close\n", p->link.name);
if (p->handler && p->handler->cooked)
(*p->handler->cooked)(p);
physical_StopDeviceTimer(p);
if (p->Utmp) {
memset(&ut, 0, sizeof ut);
ut.ut_type = DEAD_PROCESS;
gettimeofday(&ut.ut_tv, NULL);
snprintf(ut.ut_id, sizeof ut.ut_id, "%xppp", (int)getpid());
ID0logout(&ut);
p->Utmp = 0;
}
newsid = tcgetpgrp(p->fd) == getpgrp();
close(p->fd);
p->fd = -1;
log_SetTtyCommandMode(p->dl);
throughput_stop(&p->link.stats.total);
throughput_log(&p->link.stats.total, LogPHASE, p->link.name);
if (p->session_owner != (pid_t)-1) {
log_Printf(LogPHASE, "%s: HUPing %ld\n", p->link.name,
(long)p->session_owner);
ID0kill(p->session_owner, SIGHUP);
p->session_owner = (pid_t)-1;
}
if (newsid)
bundle_setsid(p->dl->bundle, 0);
if (*p->name.full == '/') {
snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, p->name.base);
#ifndef RELEASE_CRUNCH
if (ID0unlink(fn) == -1)
log_Printf(LogALERT, "%s: Can't remove %s: %s\n",
p->link.name, fn, strerror(errno));
#else
ID0unlink(fn);
#endif
}
physical_Unlock(p);
if (p->handler && p->handler->destroy)
(*p->handler->destroy)(p);
p->handler = NULL;
p->name.base = p->name.full;
*p->name.full = '\0';
}
void
physical_Close(struct physical *p)
{
int newsid;
char fn[PATH_MAX];
if (p->fd < 0)
return;
log_Printf(LogDEBUG, "%s: Close\n", p->link.name);
if (p->handler && p->handler->cooked)
(*p->handler->cooked)(p);
physical_StopDeviceTimer(p);
if (p->Utmp) {
if (p->handler && (p->handler->type == TCP_DEVICE ||
p->handler->type == UDP_DEVICE))
/* Careful - we logged in on line ``ppp'' with IP as our host */
ID0logout(PPPOTCPLINE, 1);
else
ID0logout(p->name.base, 0);
p->Utmp = 0;
}
newsid = tcgetpgrp(p->fd) == getpgrp();
close(p->fd);
p->fd = -1;
log_SetTtyCommandMode(p->dl);
throughput_stop(&p->link.stats.total);
throughput_log(&p->link.stats.total, LogPHASE, p->link.name);
if (p->session_owner != (pid_t)-1) {
log_Printf(LogPHASE, "%s: HUPing %ld\n", p->link.name,
(long)p->session_owner);
ID0kill(p->session_owner, SIGHUP);
p->session_owner = (pid_t)-1;
}
if (newsid)
bundle_setsid(p->dl->bundle, 0);
if (*p->name.full == '/') {
snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, p->name.base);
#ifndef RELEASE_CRUNCH
if (ID0unlink(fn) == -1)
log_Printf(LogALERT, "%s: Can't remove %s: %s\n",
p->link.name, fn, strerror(errno));
#else
ID0unlink(fn);
#endif
}
physical_Unlock(p);
if (p->handler && p->handler->destroy)
(*p->handler->destroy)(p);
p->handler = NULL;
p->name.base = p->name.full;
*p->name.full = '\0';
}
void
physical_DescriptorRead(struct fdescriptor *d, struct bundle *bundle,
const fd_set *fdset)
{
struct physical *p = descriptor2physical(d);
u_char *rbuff;
int n, found;
rbuff = p->input.buf + p->input.sz;
/* something to read */
n = physical_Read(p, rbuff, sizeof p->input.buf - p->input.sz);
log_Printf(LogDEBUG, "%s: DescriptorRead: read %d/%d from %d\n",
p->link.name, n, (int)(sizeof p->input.buf - p->input.sz), p->fd);
if (n <= 0) {
if (n < 0)
log_Printf(LogPHASE, "%s: read (%d): %s\n", p->link.name, p->fd,
strerror(errno));
else
log_Printf(LogPHASE, "%s: read (%d): Got zero bytes\n",
p->link.name, p->fd);
datalink_Down(p->dl, CLOSE_NORMAL);
return;
}
rbuff -= p->input.sz;
n += p->input.sz;
if (p->link.lcp.fsm.state <= ST_CLOSED) {
if (p->type != PHYS_DEDICATED) {
found = hdlc_Detect((u_char const **)&rbuff, n, physical_IsSync(p));
if (rbuff != p->input.buf)
log_WritePrompts(p->dl, "%.*s", (int)(rbuff - p->input.buf),
p->input.buf);
p->input.sz = n - (rbuff - p->input.buf);
if (found) {
/* LCP packet is detected. Turn ourselves into packet mode */
log_Printf(LogPHASE, "%s: PPP packet detected, coming up\n",
p->link.name);
log_SetTtyCommandMode(p->dl);
datalink_Up(p->dl, 0, 1);
link_PullPacket(&p->link, rbuff, p->input.sz, bundle);
p->input.sz = 0;
} else
bcopy(rbuff, p->input.buf, p->input.sz);
} else
/* In -dedicated mode, we just discard input until LCP is started */
p->input.sz = 0;
} else if (n > 0)
link_PullPacket(&p->link, rbuff, n, bundle);
}