/*
* Copyright (c) 1995 Danny Gasparovski.
- *
+ *
* Please read the file COPYRIGHT for the
* terms and conditions of the copyright.
*/
-#define WANT_SYS_IOCTL_H
#include <slirp.h>
-u_int curtime, time_fasttimo, last_slowtimo, detach_time;
-u_int detach_wait = 600000; /* 10 minutes */
+u_int curtime, time_fasttimo, last_slowtimo;
#if 0
int x_port = -1;
if (x_display)
lprint("X Redir: Redirecting to display %d\r\n", x_display);
}
-
+
return CFG_OK;
}
int screen;
{
int i;
-
+
if (x_port >= 0) {
lprint("X Redir: X already being redirected.\r\n");
show_x(0, 0);
}
#endif
-#ifndef HAVE_INET_ATON
-int
-inet_aton(cp, ia)
- const char *cp;
- struct in_addr *ia;
-{
- u_int32_t addr = inet_addr(cp);
- if (addr == 0xffffffff)
- return 0;
- ia->s_addr = addr;
- return 1;
-}
-#endif
-
/*
* Get our IP address and put it in our_addr
*/
void
-getouraddr()
+getouraddr(void)
{
char buff[256];
- struct hostent *he;
-
- if (gethostname(buff,256) < 0)
- return;
-
- if ((he = gethostbyname(buff)) == NULL)
- return;
-
- our_addr = *(struct in_addr *)he->h_addr;
+ struct hostent *he = NULL;
+
+ if (gethostname(buff,256) == 0)
+ he = gethostbyname(buff);
+ if (he)
+ our_addr = *(struct in_addr *)he->h_addr;
+ if (our_addr.s_addr == 0)
+ our_addr.s_addr = loopback_addr.s_addr;
}
-#if SIZEOF_CHAR_P == 8
-
-struct quehead_32 {
- u_int32_t qh_link;
- u_int32_t qh_rlink;
-};
-
-inline void
-insque_32(a, b)
- void *a;
- void *b;
-{
- register struct quehead_32 *element = (struct quehead_32 *) a;
- register struct quehead_32 *head = (struct quehead_32 *) b;
- element->qh_link = head->qh_link;
- head->qh_link = (u_int32_t)element;
- element->qh_rlink = (u_int32_t)head;
- ((struct quehead_32 *)(element->qh_link))->qh_rlink
- = (u_int32_t)element;
-}
-
-inline void
-remque_32(a)
- void *a;
-{
- register struct quehead_32 *element = (struct quehead_32 *) a;
- ((struct quehead_32 *)(element->qh_link))->qh_rlink = element->qh_rlink;
- ((struct quehead_32 *)(element->qh_rlink))->qh_link = element->qh_link;
- element->qh_rlink = 0;
-}
-
-#endif /* SIZEOF_CHAR_P == 8 */
-
struct quehead {
struct quehead *qh_link;
struct quehead *qh_rlink;
};
inline void
-insque(a, b)
- void *a, *b;
+insque(void *a, void *b)
{
register struct quehead *element = (struct quehead *) a;
register struct quehead *head = (struct quehead *) b;
}
inline void
-remque(a)
- void *a;
+remque(void *a)
{
register struct quehead *element = (struct quehead *) a;
((struct quehead *)(element->qh_link))->qh_rlink = element->qh_rlink;
int
-add_exec(ex_ptr, do_pty, exec, addr, port)
- struct ex_list **ex_ptr;
- int do_pty;
- char *exec;
- int addr;
- int port;
+add_exec(struct ex_list **ex_ptr, int do_pty, char *exec, int addr, int port)
{
struct ex_list *tmp_ptr;
-
+
/* First, check if the port is "bound" */
for (tmp_ptr = *ex_ptr; tmp_ptr; tmp_ptr = tmp_ptr->ex_next) {
if (port == tmp_ptr->ex_fport && addr == tmp_ptr->ex_addr)
return -1;
}
-
+
tmp_ptr = *ex_ptr;
*ex_ptr = (struct ex_list *)malloc(sizeof(struct ex_list));
(*ex_ptr)->ex_fport = port;
(*ex_ptr)->ex_addr = addr;
(*ex_ptr)->ex_pty = do_pty;
- (*ex_ptr)->ex_exec = strdup(exec);
+ (*ex_ptr)->ex_exec = (do_pty == 3) ? exec : strdup(exec);
(*ex_ptr)->ex_next = tmp_ptr;
return 0;
}
#ifdef _WIN32
int
-fork_exec(so, ex, do_pty)
- struct socket *so;
- char *ex;
- int do_pty;
+fork_exec(struct socket *so, const char *ex, int do_pty)
{
/* not implemented */
return 0;
#else
+#ifndef CONFIG_QEMU
int
-openpty(amaster, aslave)
- int *amaster, *aslave;
+slirp_openpty(amaster, aslave)
+ int *amaster, *aslave;
{
register int master, slave;
#ifdef HAVE_GRANTPT
char *ptr;
-
+
if ((master = open("/dev/ptmx", O_RDWR)) < 0 ||
grantpt(master) < 0 ||
unlockpt(master) < 0 ||
close(master);
return -1;
}
-
+
if ((slave = open(ptr, O_RDWR)) < 0 ||
ioctl(slave, I_PUSH, "ptem") < 0 ||
ioctl(slave, I_PUSH, "ldterm") < 0 ||
close(slave);
return -1;
}
-
+
*amaster = master;
*aslave = slave;
return 0;
-
+
#else
-
+
static char line[] = "/dev/ptyXX";
register const char *cp1, *cp2;
-
+
for (cp1 = "pqrsPQRS"; *cp1; cp1++) {
line[8] = *cp1;
for (cp2 = "0123456789abcdefghijklmnopqrstuv"; *cp2; cp2++) {
return (-1);
#endif
}
+#endif
/*
* XXX This is ugly
* process, which connects to this socket, after which we
* exec the wanted program. If something (strange) happens,
* the accept() call could block us forever.
- *
+ *
* do_pty = 0 Fork/exec inetd style
* do_pty = 1 Fork/exec using slirp.telnetd
* do_ptr = 2 Fork/exec using pty
*/
int
-fork_exec(so, ex, do_pty)
- struct socket *so;
- char *ex;
- int do_pty;
+fork_exec(struct socket *so, const char *ex, int do_pty)
{
int s;
struct sockaddr_in addr;
- int addrlen = sizeof(addr);
+ socklen_t addrlen = sizeof(addr);
int opt;
- int master;
- char *argv[256];
+ int master = -1;
+ const char *argv[256];
#if 0
char buff[256];
#endif
/* don't want to clobber the original */
char *bptr;
- char *curarg;
- int c, i;
-
+ const char *curarg;
+ int c, i, ret;
+
DEBUG_CALL("fork_exec");
DEBUG_ARG("so = %lx", (long)so);
DEBUG_ARG("ex = %lx", (long)ex);
DEBUG_ARG("do_pty = %lx", (long)do_pty);
-
+
if (do_pty == 2) {
- if (openpty(&master, &s) == -1) {
+#if 0
+ if (slirp_openpty(&master, &s) == -1) {
lprint("Error: openpty failed: %s\n", strerror(errno));
return 0;
}
+#else
+ return 0;
+#endif
} else {
addr.sin_family = AF_INET;
addr.sin_port = 0;
addr.sin_addr.s_addr = INADDR_ANY;
-
+
if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0 ||
bind(s, (struct sockaddr *)&addr, addrlen) < 0 ||
listen(s, 1) < 0) {
lprint("Error: inet socket: %s\n", strerror(errno));
closesocket(s);
-
+
return 0;
}
}
-
+
switch(fork()) {
case -1:
lprint("Error: fork failed: %s\n", strerror(errno));
if (do_pty == 2)
close(master);
return 0;
-
+
case 0:
/* Set the DISPLAY */
if (do_pty == 2) {
*/
s = socket(AF_INET, SOCK_STREAM, 0);
addr.sin_addr = loopback_addr;
- connect(s, (struct sockaddr *)&addr, addrlen);
+ do {
+ ret = connect(s, (struct sockaddr *)&addr, addrlen);
+ } while (ret < 0 && errno == EINTR);
}
-
+
#if 0
if (x_port >= 0) {
#ifdef HAVE_SETENV
putenv(buff);
#endif
}
-#endif
+#endif
dup2(s, 0);
dup2(s, 1);
dup2(s, 2);
- for (s = 3; s <= 255; s++)
+ for (s = getdtablesize() - 1; s >= 3; s--)
close(s);
-
+
i = 0;
bptr = strdup(ex); /* No need to free() this */
if (do_pty == 1) {
*bptr++ = (char)0;
argv[i++] = strdup(curarg);
} while (c);
-
- argv[i] = 0;
- execvp(argv[0], argv);
-
+
+ argv[i] = NULL;
+ execvp(argv[0], (char **)argv);
+
/* Ooops, failed, let's tell the user why */
{
char buff[256];
-
- sprintf(buff, "Error: execvp of %s failed: %s\n",
- argv[0], strerror(errno));
+
+ snprintf(buff, sizeof(buff),
+ "Error: execvp of %s failed: %s\n",
+ argv[0], strerror(errno));
write(2, buff, strlen(buff)+1);
}
close(0); close(1); close(2); /* XXX */
exit(1);
-
+
default:
if (do_pty == 2) {
close(s);
* The only reason this will block forever is if socket()
* of connect() fail in the child process
*/
- so->s = accept(s, (struct sockaddr *)&addr, &addrlen);
- closesocket(s);
+ do {
+ so->s = accept(s, (struct sockaddr *)&addr, &addrlen);
+ } while (so->s < 0 && errno == EINTR);
+ closesocket(s);
opt = 1;
setsockopt(so->s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int));
opt = 1;
setsockopt(so->s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(int));
}
fd_nonblock(so->s);
-
+
/* Append the telnet options now */
- if (so->so_m != 0 && do_pty == 1) {
+ if (so->so_m != NULL && do_pty == 1) {
sbappend(so, so->so_m);
- so->so_m = 0;
+ so->so_m = NULL;
}
-
+
return 1;
}
}
const char *str;
{
char *bptr;
-
+
bptr = (char *)malloc(strlen(str)+1);
strcpy(bptr, str);
-
+
return bptr;
}
#endif
#endif
struct sockaddr_in sock_in;
char buff[256];
-
+
ret = -1;
if (slirp_socket_passwd) {
s = socket(AF_INET, SOCK_STREAM, 0);
#endif
slirp_exit(0);
}
-
-
+
+
void
snooze()
{
sigset_t s;
int i;
-
+
/* Don't need our data anymore */
/* XXX This makes SunOS barf */
/* brk(0); */
-
+
/* Close all fd's */
for (i = 255; i >= 0; i--)
close(i);
-
+
signal(SIGQUIT, slirp_exit);
signal(SIGHUP, snooze_hup);
sigemptyset(&s);
-
+
/* Wait for any signal */
sigsuspend(&s);
-
+
/* Just in case ... */
exit(255);
}
int n;
fd_set readfds;
struct ttys *ttyp;
-
+
/* Don't need our data anymore */
/* XXX This makes SunOS barf */
/* brk(0); */
-
+
signal(SIGQUIT, slirp_exit);
signal(SIGHUP, slirp_exit);
signal(SIGINT, slirp_exit);
signal(SIGTERM, slirp_exit);
-
+
/* Fudge to get term_raw and term_restore to work */
if (NULL == (ttyp = tty_attach (0, slirp_tty))) {
lprint ("Error: tty_attach failed in misc.c:relay()\r\n");
ttyp->fd = 0;
ttyp->flags |= TTY_CTTY;
term_raw(ttyp);
-
+
while (1) {
FD_ZERO(&readfds);
-
+
FD_SET(0, &readfds);
FD_SET(s, &readfds);
-
+
n = select(s+1, &readfds, (fd_set *)0, (fd_set *)0, (struct timeval *)0);
-
+
if (n <= 0)
slirp_exit(0);
-
+
if (FD_ISSET(0, &readfds)) {
n = read(0, buf, 8192);
if (n <= 0)
if (n <= 0)
slirp_exit(0);
}
-
+
if (FD_ISSET(s, &readfds)) {
n = read(s, buf, 8192);
if (n <= 0)
slirp_exit(0);
}
}
-
+
/* Just in case.... */
exit(1);
}
#endif
+#ifdef CONFIG_QEMU
+#include "monitor.h"
+
+void lprint(const char *format, ...)
+{
+ va_list args;
+
+ va_start(args, format);
+ monitor_vprintf(cur_mon, format, args);
+ va_end(args);
+}
+#else
int (*lprint_print) _P((void *, const char *, va_list));
char *lprint_ptr, *lprint_ptr2, **lprint_arg;
#endif
{
va_list args;
-
+
#ifdef __STDC__
va_start(args, format);
#else
int deltaw = lprint_sb->sb_wptr - lprint_sb->sb_data;
int deltar = lprint_sb->sb_rptr - lprint_sb->sb_data;
int deltap = lprint_ptr - lprint_sb->sb_data;
-
+
lprint_sb->sb_data = (char *)realloc(lprint_sb->sb_data,
lprint_sb->sb_datalen + TCP_SNDSPACE);
-
+
/* Adjust all values */
lprint_sb->sb_wptr = lprint_sb->sb_data + deltaw;
lprint_sb->sb_rptr = lprint_sb->sb_data + deltar;
lprint_ptr = lprint_sb->sb_data + deltap;
-
+
lprint_sb->sb_datalen += TCP_SNDSPACE;
}
}
-#endif
+#endif
if (lprint_print)
lprint_ptr += (*lprint_print)(*lprint_arg, format, args);
-
+
/* Check if they want output to be logged to file as well */
if (lfd) {
- /*
+ /*
* Remove \r's
* otherwise you'll get ^M all over the file
*/
int len = strlen(format);
char *bptr1, *bptr2;
-
+
bptr1 = bptr2 = strdup(format);
-
+
while (len--) {
if (*bptr1 == '\r')
memcpy(bptr1, bptr1+1, len+1);
char *buff3 = buff4;
struct emu_t *emup;
struct socket *so;
-
+
if (sscanf(buff, "%256s %256s", buff2, buff1) != 2) {
lprint("Error: Bad arguments\r\n");
return;
}
-
+
if (sscanf(buff1, "%d:%d", &lport, &fport) != 2) {
lport = 0;
if (sscanf(buff1, "%d", &fport) != 1) {
return;
}
}
-
+
if (sscanf(buff2, "%128[^:]:%128s", buff1, buff3) != 2) {
buff3 = 0;
if (sscanf(buff2, "%256s", buff1) != 1) {
return;
}
}
-
+
if (buff3) {
if (strcmp(buff3, "lowdelay") == 0)
tos = IPTOS_LOWDELAY;
return;
}
}
-
+
if (strcmp(buff1, "ftp") == 0)
emu = EMU_FTP;
else if (strcmp(buff1, "irc") == 0)
lprint("Error: Unknown service\r\n");
return;
}
-
+
/* First, check that it isn't already emulated */
for (emup = tcpemu; emup; emup = emup->next) {
if (emup->lport == lport && emup->fport == fport) {
return;
}
}
-
+
/* link it */
emup = (struct emu_t *)malloc(sizeof (struct emu_t));
emup->lport = (u_int16_t)lport;
emup->emu = emu;
emup->next = tcpemu;
tcpemu = emup;
-
+
/* And finally, mark all current sessions, if any, as being emulated */
for (so = tcb.so_next; so != &tcb; so = so->so_next) {
if ((lport && lport == ntohs(so->so_lport)) ||
so->so_iptos = tos;
}
}
-
+
lprint("Adding emulation for %s to port %d/%d\r\n", buff1, emup->lport, emup->fport);
}
+#endif
#ifdef BAD_SPRINTF
#endif
void
-u_sleep(usec)
- int usec;
+u_sleep(int usec)
{
struct timeval t;
fd_set fdset;
-
+
FD_ZERO(&fdset);
-
+
t.tv_sec = 0;
t.tv_usec = usec * 1000;
-
+
select(0, &fdset, &fdset, &fdset, &t);
}
*/
void
-fd_nonblock(fd)
- int fd;
+fd_nonblock(int fd)
{
#ifdef FIONBIO
- int opt = 1;
-
+#ifdef _WIN32
+ long opt = 1;
+#else
+ int opt = 1;
+#endif
+
ioctlsocket(fd, FIONBIO, &opt);
#else
int opt;
-
+
opt = fcntl(fd, F_GETFL, 0);
opt |= O_NONBLOCK;
fcntl(fd, F_SETFL, opt);
}
void
-fd_block(fd)
- int fd;
+fd_block(int fd)
{
#ifdef FIONBIO
int opt = 0;
-
+
ioctlsocket(fd, FIONBIO, &opt);
#else
int opt;
-
+
opt = fcntl(fd, F_GETFL, 0);
opt &= ~O_NONBLOCK;
fcntl(fd, F_SETFL, opt);
int fd0[2];
int s;
char buff[256];
-
+
DEBUG_CALL("rsh_exec");
DEBUG_ARG("so = %lx", (long)so);
-
+
if (pipe(fd)<0) {
lprint("Error: pipe failed: %s\n", strerror(errno));
return 0;
return 0;
}
#else
- if (openpty(&fd0[0], &fd0[1]) == -1) {
+ if (slirp_openpty(&fd0[0], &fd0[1]) == -1) {
close(fd[0]);
close(fd[1]);
lprint("Error: openpty failed: %s\n", strerror(errno));
return 0;
}
#endif
-
+
switch(fork()) {
case -1:
lprint("Error: fork failed: %s\n", strerror(errno));
close(fd0[0]);
close(fd0[1]);
return 0;
-
+
case 0:
close(fd[0]);
close(fd0[0]);
-
+
/* Set the DISPLAY */
if (x_port >= 0) {
#ifdef HAVE_SETENV
putenv(buff);
#endif
}
-
+
dup2(fd0[1], 0);
dup2(fd0[1], 1);
dup2(fd[1], 2);
for (s = 3; s <= 255; s++)
close(s);
-
+
execlp("rsh","rsh","-l", user, host, args, NULL);
-
+
/* Ooops, failed, let's tell the user why */
-
- sprintf(buff, "Error: execlp of %s failed: %s\n",
+
+ sprintf(buff, "Error: execlp of %s failed: %s\n",
"rsh", strerror(errno));
write(2, buff, strlen(buff)+1);
close(0); close(1); close(2); /* XXX */
exit(1);
-
+
default:
close(fd[1]);
close(fd0[1]);
ns->s=fd[0];
so->s=fd0[0];
-
+
return 1;
}
}
projects / qemu / blobdiff