mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-27 11:55:06 +00:00
681 lines
19 KiB
C
681 lines
19 KiB
C
/*-
|
|
* Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <sys/un.h>
|
|
#include <netdb.h>
|
|
|
|
#include <sys/time.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <histedit.h>
|
|
#include <semaphore.h>
|
|
#include <pthread.h>
|
|
#include <setjmp.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
#define LINELEN 2048
|
|
|
|
/* Data passed to the threads we create */
|
|
struct thread_data {
|
|
EditLine *edit; /* libedit stuff */
|
|
History *hist; /* libedit stuff */
|
|
pthread_t trm; /* Terminal thread (for pthread_kill()) */
|
|
int ppp; /* ppp descriptor */
|
|
};
|
|
|
|
/* Flags passed to Receive() */
|
|
#define REC_PASSWD (1) /* Handle a password request from ppp */
|
|
#define REC_SHOW (2) /* Show everything except prompts */
|
|
#define REC_VERBOSE (4) /* Show everything */
|
|
|
|
static char *passwd;
|
|
static char *prompt; /* Tell libedit what the current prompt is */
|
|
static int data = -1; /* setjmp() has been done when data != -1 */
|
|
static jmp_buf pppdead; /* Jump the Terminal thread out of el_gets() */
|
|
static int timetogo; /* Tell the Monitor thread to exit */
|
|
static sem_t sem_select; /* select() co-ordination between threads */
|
|
static int TimedOut; /* Set if our connect() timed out */
|
|
static int want_sem_post; /* Need to let the Monitor thread in ? */
|
|
|
|
/*
|
|
* How to use pppctl...
|
|
*/
|
|
static int
|
|
usage()
|
|
{
|
|
fprintf(stderr, "usage: pppctl [-v] [-t n] [-p passwd] "
|
|
"Port|LocalSock [command[;command]...]\n");
|
|
fprintf(stderr, " -v tells pppctl to output all"
|
|
" conversation\n");
|
|
fprintf(stderr, " -t n specifies a timeout of n"
|
|
" seconds when connecting (default 2)\n");
|
|
fprintf(stderr, " -p passwd specifies your password\n");
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Handle the SIGALRM received due to a connect() timeout.
|
|
*/
|
|
static void
|
|
Timeout(int Sig)
|
|
{
|
|
TimedOut = 1;
|
|
}
|
|
|
|
/*
|
|
* A callback routine for libedit to find out what the current prompt is.
|
|
* All the work is done in Receive() below.
|
|
*/
|
|
static char *
|
|
GetPrompt(EditLine *e)
|
|
{
|
|
if (prompt == NULL)
|
|
prompt = "";
|
|
return prompt;
|
|
}
|
|
|
|
/*
|
|
* Receive data from the ppp descriptor.
|
|
* We also handle password prompts here (if asked via the `display' arg)
|
|
* and buffer what our prompt looks like (via the `prompt' global).
|
|
*/
|
|
static int
|
|
Receive(int fd, int display)
|
|
{
|
|
static char Buffer[LINELEN];
|
|
struct timeval t;
|
|
int Result;
|
|
char *last;
|
|
fd_set f;
|
|
int len;
|
|
int err;
|
|
|
|
FD_ZERO(&f);
|
|
FD_SET(fd, &f);
|
|
t.tv_sec = 0;
|
|
t.tv_usec = 100000;
|
|
prompt = Buffer;
|
|
len = 0;
|
|
|
|
while (Result = read(fd, Buffer+len, sizeof(Buffer)-len-1), Result != -1) {
|
|
if (Result == 0) {
|
|
Result = -1;
|
|
break;
|
|
}
|
|
len += Result;
|
|
Buffer[len] = '\0';
|
|
if (len > 2 && !strcmp(Buffer+len-2, "> ")) {
|
|
prompt = strrchr(Buffer, '\n');
|
|
if (display & (REC_SHOW|REC_VERBOSE)) {
|
|
if (display & REC_VERBOSE)
|
|
last = Buffer+len-1;
|
|
else
|
|
last = prompt;
|
|
if (last) {
|
|
last++;
|
|
write(STDOUT_FILENO, Buffer, last-Buffer);
|
|
}
|
|
}
|
|
prompt = prompt == NULL ? Buffer : prompt+1;
|
|
for (last = Buffer+len-2; last > Buffer && *last != ' '; last--)
|
|
;
|
|
if (last > Buffer+3 && !strncmp(last-3, " on", 3)) {
|
|
/* a password is required ! */
|
|
if (display & REC_PASSWD) {
|
|
/* password time */
|
|
if (!passwd)
|
|
passwd = getpass("Password: ");
|
|
sprintf(Buffer, "passwd %s\n", passwd);
|
|
memset(passwd, '\0', strlen(passwd));
|
|
if (display & REC_VERBOSE)
|
|
write(STDOUT_FILENO, Buffer, strlen(Buffer));
|
|
write(fd, Buffer, strlen(Buffer));
|
|
memset(Buffer, '\0', strlen(Buffer));
|
|
return Receive(fd, display & ~REC_PASSWD);
|
|
}
|
|
Result = 1;
|
|
} else
|
|
Result = 0;
|
|
break;
|
|
} else
|
|
prompt = "";
|
|
if (len == sizeof Buffer - 1) {
|
|
int flush;
|
|
if ((last = strrchr(Buffer, '\n')) == NULL)
|
|
/* Yeuch - this is one mother of a line ! */
|
|
flush = sizeof Buffer / 2;
|
|
else
|
|
flush = last - Buffer + 1;
|
|
write(STDOUT_FILENO, Buffer, flush);
|
|
strcpy(Buffer, Buffer + flush);
|
|
len -= flush;
|
|
}
|
|
if ((Result = select(fd + 1, &f, NULL, NULL, &t)) <= 0) {
|
|
err = Result == -1 ? errno : 0;
|
|
if (len)
|
|
write(STDOUT_FILENO, Buffer, len);
|
|
if (err == EINTR)
|
|
continue;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return Result;
|
|
}
|
|
|
|
/*
|
|
* Handle being told by the Monitor thread that there's data to be read
|
|
* on the ppp descriptor.
|
|
*
|
|
* Note, this is a signal handler - be careful of what we do !
|
|
*/
|
|
static void
|
|
InputHandler(int sig)
|
|
{
|
|
static char buf[LINELEN];
|
|
struct timeval t;
|
|
int len;
|
|
fd_set f;
|
|
|
|
if (data != -1) {
|
|
FD_ZERO(&f);
|
|
FD_SET(data, &f);
|
|
t.tv_sec = t.tv_usec = 0;
|
|
|
|
if (select(data + 1, &f, NULL, NULL, &t) > 0) {
|
|
len = read(data, buf, sizeof buf);
|
|
|
|
if (len > 0)
|
|
write(STDOUT_FILENO, buf, len);
|
|
else if (data != -1)
|
|
longjmp(pppdead, -1);
|
|
}
|
|
|
|
sem_post(&sem_select);
|
|
} else
|
|
/* Don't let the Monitor thread in 'till we've set ``data'' up again */
|
|
want_sem_post = 1;
|
|
}
|
|
|
|
/*
|
|
* This is a simple wrapper for el_gets(), allowing our SIGUSR1 signal
|
|
* handler (above) to take effect only after we've done a setjmp().
|
|
*
|
|
* We don't want it to do anything outside of here as we're going to
|
|
* service the ppp descriptor anyway.
|
|
*/
|
|
static const char *
|
|
SmartGets(EditLine *e, int *count, int fd)
|
|
{
|
|
const char *result;
|
|
|
|
if (setjmp(pppdead))
|
|
result = NULL;
|
|
else {
|
|
data = fd;
|
|
if (want_sem_post)
|
|
/* Let the Monitor thread in again */
|
|
sem_post(&sem_select);
|
|
result = el_gets(e, count);
|
|
}
|
|
|
|
data = -1;
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* The Terminal thread entry point.
|
|
*
|
|
* The bulk of the interactive work is done here. We read the terminal,
|
|
* write the results to our ppp descriptor and read the results back.
|
|
*
|
|
* While reading the terminal (using el_gets()), it's possible to take
|
|
* a SIGUSR1 from the Monitor thread, telling us that the ppp descriptor
|
|
* has some data. The data is read and displayed by the signal handler
|
|
* itself.
|
|
*/
|
|
static void *
|
|
Terminal(void *v)
|
|
{
|
|
struct sigaction act, oact;
|
|
struct thread_data *td;
|
|
const char *l;
|
|
int len;
|
|
#ifndef __OpenBSD__
|
|
HistEvent hev = { 0, "" };
|
|
#endif
|
|
|
|
act.sa_handler = InputHandler;
|
|
sigemptyset(&act.sa_mask);
|
|
act.sa_flags = SA_RESTART;
|
|
sigaction(SIGUSR1, &act, &oact);
|
|
|
|
td = (struct thread_data *)v;
|
|
want_sem_post = 1;
|
|
|
|
while ((l = SmartGets(td->edit, &len, td->ppp))) {
|
|
if (len > 1)
|
|
#ifdef __OpenBSD__
|
|
history(td->hist, H_ENTER, l);
|
|
#else
|
|
history(td->hist, &hev, H_ENTER, l);
|
|
#endif
|
|
write(td->ppp, l, len);
|
|
if (Receive(td->ppp, REC_SHOW) != 0)
|
|
break;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* The Monitor thread entry point.
|
|
*
|
|
* This thread simply monitors our ppp descriptor. When there's something
|
|
* to read, a SIGUSR1 is sent to the Terminal thread.
|
|
*
|
|
* sem_select() is used by the Terminal thread to keep us from sending
|
|
* flurries of SIGUSR1s, and is used from the main thread to wake us up
|
|
* when it's time to exit.
|
|
*/
|
|
static void *
|
|
Monitor(void *v)
|
|
{
|
|
struct thread_data *td;
|
|
fd_set f;
|
|
int ret;
|
|
|
|
td = (struct thread_data *)v;
|
|
FD_ZERO(&f);
|
|
FD_SET(td->ppp, &f);
|
|
|
|
sem_wait(&sem_select);
|
|
while (!timetogo)
|
|
if ((ret = select(td->ppp + 1, &f, NULL, NULL, NULL)) > 0) {
|
|
pthread_kill(td->trm, SIGUSR1);
|
|
sem_wait(&sem_select);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static const char *
|
|
sockaddr_ntop(const struct sockaddr *sa)
|
|
{
|
|
const void *addr;
|
|
static char addrbuf[INET6_ADDRSTRLEN];
|
|
|
|
switch (sa->sa_family) {
|
|
case AF_INET:
|
|
addr = &((const struct sockaddr_in *)sa)->sin_addr;
|
|
break;
|
|
case AF_UNIX:
|
|
addr = &((const struct sockaddr_un *)sa)->sun_path;
|
|
break;
|
|
case AF_INET6:
|
|
addr = &((const struct sockaddr_in6 *)sa)->sin6_addr;
|
|
break;
|
|
default:
|
|
return NULL;
|
|
}
|
|
inet_ntop(sa->sa_family, addr, addrbuf, sizeof(addrbuf));
|
|
return addrbuf;
|
|
}
|
|
|
|
/*
|
|
* Connect to ppp using either a local domain socket or a tcp socket.
|
|
*
|
|
* If we're given arguments, process them and quit, otherwise create two
|
|
* threads to handle interactive mode.
|
|
*/
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
struct sockaddr_un ifsun;
|
|
int n, arg, fd, len, verbose, save_errno, hide1, hide1off, hide2;
|
|
unsigned TimeoutVal;
|
|
char *DoneWord = "x", *next, *start;
|
|
struct sigaction act, oact;
|
|
void *thread_ret;
|
|
pthread_t mon;
|
|
char Command[LINELEN];
|
|
char Buffer[LINELEN];
|
|
|
|
verbose = 0;
|
|
TimeoutVal = 2;
|
|
hide1 = hide1off = hide2 = 0;
|
|
|
|
for (arg = 1; arg < argc; arg++)
|
|
if (*argv[arg] == '-') {
|
|
for (start = argv[arg] + 1; *start; start++)
|
|
switch (*start) {
|
|
case 't':
|
|
TimeoutVal = (unsigned)atoi
|
|
(start[1] ? start + 1 : argv[++arg]);
|
|
start = DoneWord;
|
|
break;
|
|
|
|
case 'v':
|
|
verbose = REC_VERBOSE;
|
|
break;
|
|
|
|
case 'p':
|
|
if (start[1]) {
|
|
hide1 = arg;
|
|
hide1off = start - argv[arg];
|
|
passwd = start + 1;
|
|
} else {
|
|
hide1 = arg;
|
|
hide1off = start - argv[arg];
|
|
passwd = argv[++arg];
|
|
hide2 = arg;
|
|
}
|
|
start = DoneWord;
|
|
break;
|
|
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
else
|
|
break;
|
|
|
|
|
|
if (argc < arg + 1)
|
|
usage();
|
|
|
|
if (hide1) {
|
|
char title[1024];
|
|
int pos, harg;
|
|
|
|
for (harg = pos = 0; harg < argc; harg++)
|
|
if (harg == 0 || harg != hide2) {
|
|
if (harg == 0 || harg != hide1)
|
|
n = snprintf(title + pos, sizeof title - pos, "%s%s",
|
|
harg ? " " : "", argv[harg]);
|
|
else if (hide1off > 1)
|
|
n = snprintf(title + pos, sizeof title - pos, " %.*s",
|
|
hide1off, argv[harg]);
|
|
else
|
|
n = 0;
|
|
if (n < 0 || n >= sizeof title - pos)
|
|
break;
|
|
pos += n;
|
|
}
|
|
#ifdef __FreeBSD__
|
|
setproctitle("-%s", title);
|
|
#else
|
|
setproctitle("%s", title);
|
|
#endif
|
|
}
|
|
|
|
if (*argv[arg] == '/') {
|
|
memset(&ifsun, '\0', sizeof ifsun);
|
|
ifsun.sun_len = strlen(argv[arg]);
|
|
if (ifsun.sun_len > sizeof ifsun.sun_path - 1) {
|
|
warnx("%s: path too long", argv[arg]);
|
|
return 1;
|
|
}
|
|
ifsun.sun_family = AF_LOCAL;
|
|
strcpy(ifsun.sun_path, argv[arg]);
|
|
|
|
if (fd = socket(AF_LOCAL, SOCK_STREAM, 0), fd < 0) {
|
|
warnx("cannot create local domain socket");
|
|
return 2;
|
|
}
|
|
if (connect(fd, (struct sockaddr *)&ifsun, sizeof(ifsun)) < 0) {
|
|
if (errno)
|
|
warn("cannot connect to socket %s", argv[arg]);
|
|
else
|
|
warnx("cannot connect to socket %s", argv[arg]);
|
|
close(fd);
|
|
return 3;
|
|
}
|
|
} else {
|
|
char *addr, *p, *port;
|
|
const char *caddr;
|
|
struct addrinfo hints, *res, *pai;
|
|
int gai;
|
|
char local[] = "localhost";
|
|
|
|
addr = argv[arg];
|
|
if (addr[strspn(addr, "0123456789")] == '\0') {
|
|
/* port on local machine */
|
|
port = addr;
|
|
addr = local;
|
|
} else if (*addr == '[') {
|
|
/* [addr]:port */
|
|
if ((p = strchr(addr, ']')) == NULL) {
|
|
warnx("%s: mismatched '['", addr);
|
|
return 1;
|
|
}
|
|
addr++;
|
|
*p++ = '\0';
|
|
if (*p != ':') {
|
|
warnx("%s: missing port", addr);
|
|
return 1;
|
|
}
|
|
port = ++p;
|
|
} else {
|
|
/* addr:port */
|
|
p = addr + strcspn(addr, ":");
|
|
if (*p != ':') {
|
|
warnx("%s: missing port", addr);
|
|
return 1;
|
|
}
|
|
*p++ = '\0';
|
|
port = p;
|
|
}
|
|
memset(&hints, 0, sizeof(hints));
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
gai = getaddrinfo(addr, port, &hints, &res);
|
|
if (gai != 0) {
|
|
warnx("%s: %s", addr, gai_strerror(gai));
|
|
return 1;
|
|
}
|
|
for (pai = res; pai != NULL; pai = pai->ai_next) {
|
|
if (fd = socket(pai->ai_family, pai->ai_socktype,
|
|
pai->ai_protocol), fd < 0) {
|
|
warnx("cannot create socket");
|
|
continue;
|
|
}
|
|
TimedOut = 0;
|
|
if (TimeoutVal) {
|
|
act.sa_handler = Timeout;
|
|
sigemptyset(&act.sa_mask);
|
|
act.sa_flags = 0;
|
|
sigaction(SIGALRM, &act, &oact);
|
|
alarm(TimeoutVal);
|
|
}
|
|
if (connect(fd, pai->ai_addr, pai->ai_addrlen) == 0)
|
|
break;
|
|
if (TimeoutVal) {
|
|
save_errno = errno;
|
|
alarm(0);
|
|
sigaction(SIGALRM, &oact, 0);
|
|
errno = save_errno;
|
|
}
|
|
caddr = sockaddr_ntop(pai->ai_addr);
|
|
if (caddr == NULL)
|
|
caddr = argv[arg];
|
|
if (TimedOut)
|
|
warnx("timeout: cannot connect to %s", caddr);
|
|
else {
|
|
if (errno)
|
|
warn("cannot connect to %s", caddr);
|
|
else
|
|
warnx("cannot connect to %s", caddr);
|
|
}
|
|
close(fd);
|
|
}
|
|
freeaddrinfo(res);
|
|
if (pai == NULL)
|
|
return 1;
|
|
if (TimeoutVal) {
|
|
alarm(0);
|
|
sigaction(SIGALRM, &oact, 0);
|
|
}
|
|
}
|
|
|
|
len = 0;
|
|
Command[sizeof(Command)-1] = '\0';
|
|
for (arg++; arg < argc; arg++) {
|
|
if (len && len < sizeof(Command)-1)
|
|
strcpy(Command+len++, " ");
|
|
strncpy(Command+len, argv[arg], sizeof(Command)-len-1);
|
|
len += strlen(Command+len);
|
|
}
|
|
|
|
switch (Receive(fd, verbose | REC_PASSWD)) {
|
|
case 1:
|
|
fprintf(stderr, "Password incorrect\n");
|
|
break;
|
|
|
|
case 0:
|
|
passwd = NULL;
|
|
if (len == 0) {
|
|
struct thread_data td;
|
|
const char *env;
|
|
int size;
|
|
#ifndef __OpenBSD__
|
|
HistEvent hev = { 0, "" };
|
|
#endif
|
|
|
|
td.hist = history_init();
|
|
if ((env = getenv("EL_SIZE"))) {
|
|
size = atoi(env);
|
|
if (size < 0)
|
|
size = 20;
|
|
} else
|
|
size = 20;
|
|
#ifdef __OpenBSD__
|
|
history(td.hist, H_EVENT, size);
|
|
td.edit = el_init("pppctl", stdin, stdout);
|
|
#else
|
|
history(td.hist, &hev, H_SETSIZE, size);
|
|
td.edit = el_init("pppctl", stdin, stdout, stderr);
|
|
#endif
|
|
el_source(td.edit, NULL);
|
|
el_set(td.edit, EL_PROMPT, GetPrompt);
|
|
if ((env = getenv("EL_EDITOR"))) {
|
|
if (!strcmp(env, "vi"))
|
|
el_set(td.edit, EL_EDITOR, "vi");
|
|
else if (!strcmp(env, "emacs"))
|
|
el_set(td.edit, EL_EDITOR, "emacs");
|
|
}
|
|
el_set(td.edit, EL_SIGNAL, 1);
|
|
el_set(td.edit, EL_HIST, history, (const char *)td.hist);
|
|
|
|
td.ppp = fd;
|
|
td.trm = NULL;
|
|
|
|
/*
|
|
* We create two threads. The Terminal thread does all the
|
|
* work while the Monitor thread simply tells the Terminal
|
|
* thread when ``fd'' becomes readable. The telling is done
|
|
* by sending a SIGUSR1 to the Terminal thread. The
|
|
* sem_select semaphore is used to prevent the monitor
|
|
* thread from firing excessive signals at the Terminal
|
|
* thread (it's abused for exit handling too - see below).
|
|
*
|
|
* The Terminal thread never uses td.trm !
|
|
*/
|
|
sem_init(&sem_select, 0, 0);
|
|
|
|
pthread_create(&td.trm, NULL, Terminal, &td);
|
|
pthread_create(&mon, NULL, Monitor, &td);
|
|
|
|
/* Wait for the terminal thread to finish */
|
|
pthread_join(td.trm, &thread_ret);
|
|
fprintf(stderr, "Connection closed\n");
|
|
|
|
/* Get rid of the monitor thread by abusing sem_select */
|
|
timetogo = 1;
|
|
close(fd);
|
|
fd = -1;
|
|
sem_post(&sem_select);
|
|
pthread_join(mon, &thread_ret);
|
|
|
|
/* Restore our terminal and release resources */
|
|
el_end(td.edit);
|
|
history_end(td.hist);
|
|
sem_destroy(&sem_select);
|
|
} else {
|
|
start = Command;
|
|
do {
|
|
next = strchr(start, ';');
|
|
while (*start == ' ' || *start == '\t')
|
|
start++;
|
|
if (next)
|
|
*next = '\0';
|
|
strcpy(Buffer, start);
|
|
Buffer[sizeof(Buffer)-2] = '\0';
|
|
strcat(Buffer, "\n");
|
|
if (verbose)
|
|
write(STDOUT_FILENO, Buffer, strlen(Buffer));
|
|
write(fd, Buffer, strlen(Buffer));
|
|
if (Receive(fd, verbose | REC_SHOW) != 0) {
|
|
fprintf(stderr, "Connection closed\n");
|
|
break;
|
|
}
|
|
if (next)
|
|
start = ++next;
|
|
} while (next && *next);
|
|
if (verbose)
|
|
write(STDOUT_FILENO, "quit\n", 5);
|
|
write(fd, "quit\n", 5);
|
|
while (Receive(fd, verbose | REC_SHOW) == 0)
|
|
;
|
|
if (verbose)
|
|
puts("");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
warnx("ppp is not responding");
|
|
break;
|
|
}
|
|
|
|
if (fd != -1)
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|