Revision 0d62c4cf slirp/misc.c
| b/slirp/misc.c | ||
|---|---|---|
| 12 | 12 |
|
| 13 | 13 |
u_int curtime, time_fasttimo, last_slowtimo; |
| 14 | 14 |
|
| 15 |
#if 0 |
|
| 16 |
int x_port = -1; |
|
| 17 |
int x_display = 0; |
|
| 18 |
int x_screen = 0; |
|
| 19 |
|
|
| 20 |
int |
|
| 21 |
show_x(buff, inso) |
|
| 22 |
char *buff; |
|
| 23 |
struct socket *inso; |
|
| 24 |
{
|
|
| 25 |
if (x_port < 0) {
|
|
| 26 |
lprint("X Redir: X not being redirected.\r\n");
|
|
| 27 |
} else {
|
|
| 28 |
lprint("X Redir: In sh/bash/zsh/etc. type: DISPLAY=%s:%d.%d; export DISPLAY\r\n",
|
|
| 29 |
inet_ntoa(our_addr), x_port, x_screen); |
|
| 30 |
lprint("X Redir: In csh/tcsh/etc. type: setenv DISPLAY %s:%d.%d\r\n",
|
|
| 31 |
inet_ntoa(our_addr), x_port, x_screen); |
|
| 32 |
if (x_display) |
|
| 33 |
lprint("X Redir: Redirecting to display %d\r\n", x_display);
|
|
| 34 |
} |
|
| 35 |
|
|
| 36 |
return CFG_OK; |
|
| 37 |
} |
|
| 38 |
|
|
| 39 |
|
|
| 40 |
/* |
|
| 41 |
* XXX Allow more than one X redirection? |
|
| 42 |
*/ |
|
| 43 |
void |
|
| 44 |
redir_x(inaddr, start_port, display, screen) |
|
| 45 |
u_int32_t inaddr; |
|
| 46 |
int start_port; |
|
| 47 |
int display; |
|
| 48 |
int screen; |
|
| 49 |
{
|
|
| 50 |
int i; |
|
| 51 |
|
|
| 52 |
if (x_port >= 0) {
|
|
| 53 |
lprint("X Redir: X already being redirected.\r\n");
|
|
| 54 |
show_x(0, 0); |
|
| 55 |
} else {
|
|
| 56 |
for (i = 6001 + (start_port-1); i <= 6100; i++) {
|
|
| 57 |
if (solisten(htons(i), inaddr, htons(6000 + display), 0)) {
|
|
| 58 |
/* Success */ |
|
| 59 |
x_port = i - 6000; |
|
| 60 |
x_display = display; |
|
| 61 |
x_screen = screen; |
|
| 62 |
show_x(0, 0); |
|
| 63 |
return; |
|
| 64 |
} |
|
| 65 |
} |
|
| 66 |
lprint("X Redir: Error: Couldn't redirect a port for X. Weird.\r\n");
|
|
| 67 |
} |
|
| 68 |
} |
|
| 69 |
#endif |
|
| 70 |
|
|
| 71 | 15 |
/* |
| 72 | 16 |
* Get our IP address and put it in our_addr |
| 73 | 17 |
*/ |
| ... | ... | |
| 109 | 53 |
((struct quehead *)(element->qh_link))->qh_rlink = element->qh_rlink; |
| 110 | 54 |
((struct quehead *)(element->qh_rlink))->qh_link = element->qh_link; |
| 111 | 55 |
element->qh_rlink = NULL; |
| 112 |
/* element->qh_link = NULL; TCP FIN1 crashes if you do this. Why ? */ |
|
| 113 | 56 |
} |
| 114 | 57 |
|
| 115 |
/* #endif */ |
|
| 116 |
|
|
| 117 |
|
|
| 118 | 58 |
int add_exec(struct ex_list **ex_ptr, int do_pty, char *exec, |
| 119 | 59 |
struct in_addr addr, int port) |
| 120 | 60 |
{
|
| ... | ... | |
| 170 | 110 |
|
| 171 | 111 |
#else |
| 172 | 112 |
|
| 173 |
#ifndef CONFIG_QEMU |
|
| 174 |
int |
|
| 175 |
slirp_openpty(amaster, aslave) |
|
| 176 |
int *amaster, *aslave; |
|
| 177 |
{
|
|
| 178 |
register int master, slave; |
|
| 179 |
|
|
| 180 |
#ifdef HAVE_GRANTPT |
|
| 181 |
char *ptr; |
|
| 182 |
|
|
| 183 |
if ((master = open("/dev/ptmx", O_RDWR)) < 0 ||
|
|
| 184 |
grantpt(master) < 0 || |
|
| 185 |
unlockpt(master) < 0 || |
|
| 186 |
(ptr = ptsname(master)) == NULL) {
|
|
| 187 |
close(master); |
|
| 188 |
return -1; |
|
| 189 |
} |
|
| 190 |
|
|
| 191 |
if ((slave = open(ptr, O_RDWR)) < 0 || |
|
| 192 |
ioctl(slave, I_PUSH, "ptem") < 0 || |
|
| 193 |
ioctl(slave, I_PUSH, "ldterm") < 0 || |
|
| 194 |
ioctl(slave, I_PUSH, "ttcompat") < 0) {
|
|
| 195 |
close(master); |
|
| 196 |
close(slave); |
|
| 197 |
return -1; |
|
| 198 |
} |
|
| 199 |
|
|
| 200 |
*amaster = master; |
|
| 201 |
*aslave = slave; |
|
| 202 |
return 0; |
|
| 203 |
|
|
| 204 |
#else |
|
| 205 |
|
|
| 206 |
static char line[] = "/dev/ptyXX"; |
|
| 207 |
register const char *cp1, *cp2; |
|
| 208 |
|
|
| 209 |
for (cp1 = "pqrsPQRS"; *cp1; cp1++) {
|
|
| 210 |
line[8] = *cp1; |
|
| 211 |
for (cp2 = "0123456789abcdefghijklmnopqrstuv"; *cp2; cp2++) {
|
|
| 212 |
line[9] = *cp2; |
|
| 213 |
if ((master = open(line, O_RDWR, 0)) == -1) {
|
|
| 214 |
if (errno == ENOENT) |
|
| 215 |
return (-1); /* out of ptys */ |
|
| 216 |
} else {
|
|
| 217 |
line[5] = 't'; |
|
| 218 |
/* These will fail */ |
|
| 219 |
(void) chown(line, getuid(), 0); |
|
| 220 |
(void) chmod(line, S_IRUSR|S_IWUSR|S_IWGRP); |
|
| 221 |
#ifdef HAVE_REVOKE |
|
| 222 |
(void) revoke(line); |
|
| 223 |
#endif |
|
| 224 |
if ((slave = open(line, O_RDWR, 0)) != -1) {
|
|
| 225 |
*amaster = master; |
|
| 226 |
*aslave = slave; |
|
| 227 |
return 0; |
|
| 228 |
} |
|
| 229 |
(void) close(master); |
|
| 230 |
line[5] = 'p'; |
|
| 231 |
} |
|
| 232 |
} |
|
| 233 |
} |
|
| 234 |
errno = ENOENT; /* out of ptys */ |
|
| 235 |
return (-1); |
|
| 236 |
#endif |
|
| 237 |
} |
|
| 238 |
#endif |
|
| 239 |
|
|
| 240 | 113 |
/* |
| 241 | 114 |
* XXX This is ugly |
| 242 | 115 |
* We create and bind a socket, then fork off to another |
| ... | ... | |
| 257 | 130 |
int opt; |
| 258 | 131 |
int master = -1; |
| 259 | 132 |
const char *argv[256]; |
| 260 |
#if 0 |
|
| 261 |
char buff[256]; |
|
| 262 |
#endif |
|
| 263 | 133 |
/* don't want to clobber the original */ |
| 264 | 134 |
char *bptr; |
| 265 | 135 |
const char *curarg; |
| ... | ... | |
| 271 | 141 |
DEBUG_ARG("do_pty = %lx", (long)do_pty);
|
| 272 | 142 |
|
| 273 | 143 |
if (do_pty == 2) {
|
| 274 |
#if 0 |
|
| 275 |
if (slirp_openpty(&master, &s) == -1) {
|
|
| 276 |
lprint("Error: openpty failed: %s\n", strerror(errno));
|
|
| 277 |
return 0; |
|
| 278 |
} |
|
| 279 |
#else |
|
| 280 | 144 |
return 0; |
| 281 |
#endif |
|
| 282 | 145 |
} else {
|
| 283 | 146 |
addr.sin_family = AF_INET; |
| 284 | 147 |
addr.sin_port = 0; |
| ... | ... | |
| 324 | 187 |
} while (ret < 0 && errno == EINTR); |
| 325 | 188 |
} |
| 326 | 189 |
|
| 327 |
#if 0 |
|
| 328 |
if (x_port >= 0) {
|
|
| 329 |
#ifdef HAVE_SETENV |
|
| 330 |
sprintf(buff, "%s:%d.%d", inet_ntoa(our_addr), x_port, x_screen); |
|
| 331 |
setenv("DISPLAY", buff, 1);
|
|
| 332 |
#else |
|
| 333 |
sprintf(buff, "DISPLAY=%s:%d.%d", inet_ntoa(our_addr), x_port, x_screen); |
|
| 334 |
putenv(buff); |
|
| 335 |
#endif |
|
| 336 |
} |
|
| 337 |
#endif |
|
| 338 | 190 |
dup2(s, 0); |
| 339 | 191 |
dup2(s, 1); |
| 340 | 192 |
dup2(s, 2); |
| ... | ... | |
| 422 | 274 |
} |
| 423 | 275 |
#endif |
| 424 | 276 |
|
| 425 |
#if 0 |
|
| 426 |
void |
|
| 427 |
snooze_hup(num) |
|
| 428 |
int num; |
|
| 429 |
{
|
|
| 430 |
int s, ret; |
|
| 431 |
#ifndef NO_UNIX_SOCKETS |
|
| 432 |
struct sockaddr_un sock_un; |
|
| 433 |
#endif |
|
| 434 |
struct sockaddr_in sock_in; |
|
| 435 |
char buff[256]; |
|
| 436 |
|
|
| 437 |
ret = -1; |
|
| 438 |
if (slirp_socket_passwd) {
|
|
| 439 |
s = socket(AF_INET, SOCK_STREAM, 0); |
|
| 440 |
if (s < 0) |
|
| 441 |
slirp_exit(1); |
|
| 442 |
sock_in.sin_family = AF_INET; |
|
| 443 |
sock_in.sin_addr.s_addr = slirp_socket_addr; |
|
| 444 |
sock_in.sin_port = htons(slirp_socket_port); |
|
| 445 |
if (connect(s, (struct sockaddr *)&sock_in, sizeof(sock_in)) != 0) |
|
| 446 |
slirp_exit(1); /* just exit...*/ |
|
| 447 |
sprintf(buff, "kill %s:%d", slirp_socket_passwd, slirp_socket_unit); |
|
| 448 |
write(s, buff, strlen(buff)+1); |
|
| 449 |
} |
|
| 450 |
#ifndef NO_UNIX_SOCKETS |
|
| 451 |
else {
|
|
| 452 |
s = socket(AF_UNIX, SOCK_STREAM, 0); |
|
| 453 |
if (s < 0) |
|
| 454 |
slirp_exit(1); |
|
| 455 |
sock_un.sun_family = AF_UNIX; |
|
| 456 |
strcpy(sock_un.sun_path, socket_path); |
|
| 457 |
if (connect(s, (struct sockaddr *)&sock_un, |
|
| 458 |
sizeof(sock_un.sun_family) + sizeof(sock_un.sun_path)) != 0) |
|
| 459 |
slirp_exit(1); |
|
| 460 |
sprintf(buff, "kill none:%d", slirp_socket_unit); |
|
| 461 |
write(s, buff, strlen(buff)+1); |
|
| 462 |
} |
|
| 463 |
#endif |
|
| 464 |
slirp_exit(0); |
|
| 465 |
} |
|
| 466 |
|
|
| 467 |
|
|
| 468 |
void |
|
| 469 |
snooze() |
|
| 470 |
{
|
|
| 471 |
sigset_t s; |
|
| 472 |
int i; |
|
| 473 |
|
|
| 474 |
/* Don't need our data anymore */ |
|
| 475 |
/* XXX This makes SunOS barf */ |
|
| 476 |
/* brk(0); */ |
|
| 477 |
|
|
| 478 |
/* Close all fd's */ |
|
| 479 |
for (i = 255; i >= 0; i--) |
|
| 480 |
close(i); |
|
| 481 |
|
|
| 482 |
signal(SIGQUIT, slirp_exit); |
|
| 483 |
signal(SIGHUP, snooze_hup); |
|
| 484 |
sigemptyset(&s); |
|
| 485 |
|
|
| 486 |
/* Wait for any signal */ |
|
| 487 |
sigsuspend(&s); |
|
| 488 |
|
|
| 489 |
/* Just in case ... */ |
|
| 490 |
exit(255); |
|
| 491 |
} |
|
| 492 |
|
|
| 493 |
void |
|
| 494 |
relay(s) |
|
| 495 |
int s; |
|
| 496 |
{
|
|
| 497 |
char buf[8192]; |
|
| 498 |
int n; |
|
| 499 |
fd_set readfds; |
|
| 500 |
struct ttys *ttyp; |
|
| 501 |
|
|
| 502 |
/* Don't need our data anymore */ |
|
| 503 |
/* XXX This makes SunOS barf */ |
|
| 504 |
/* brk(0); */ |
|
| 505 |
|
|
| 506 |
signal(SIGQUIT, slirp_exit); |
|
| 507 |
signal(SIGHUP, slirp_exit); |
|
| 508 |
signal(SIGINT, slirp_exit); |
|
| 509 |
signal(SIGTERM, slirp_exit); |
|
| 510 |
|
|
| 511 |
/* Fudge to get term_raw and term_restore to work */ |
|
| 512 |
if (NULL == (ttyp = tty_attach (0, slirp_tty))) {
|
|
| 513 |
lprint ("Error: tty_attach failed in misc.c:relay()\r\n");
|
|
| 514 |
slirp_exit (1); |
|
| 515 |
} |
|
| 516 |
ttyp->fd = 0; |
|
| 517 |
ttyp->flags |= TTY_CTTY; |
|
| 518 |
term_raw(ttyp); |
|
| 519 |
|
|
| 520 |
while (1) {
|
|
| 521 |
FD_ZERO(&readfds); |
|
| 522 |
|
|
| 523 |
FD_SET(0, &readfds); |
|
| 524 |
FD_SET(s, &readfds); |
|
| 525 |
|
|
| 526 |
n = select(s+1, &readfds, (fd_set *)0, (fd_set *)0, (struct timeval *)0); |
|
| 527 |
|
|
| 528 |
if (n <= 0) |
|
| 529 |
slirp_exit(0); |
|
| 530 |
|
|
| 531 |
if (FD_ISSET(0, &readfds)) {
|
|
| 532 |
n = read(0, buf, 8192); |
|
| 533 |
if (n <= 0) |
|
| 534 |
slirp_exit(0); |
|
| 535 |
n = writen(s, buf, n); |
|
| 536 |
if (n <= 0) |
|
| 537 |
slirp_exit(0); |
|
| 538 |
} |
|
| 539 |
|
|
| 540 |
if (FD_ISSET(s, &readfds)) {
|
|
| 541 |
n = read(s, buf, 8192); |
|
| 542 |
if (n <= 0) |
|
| 543 |
slirp_exit(0); |
|
| 544 |
n = writen(0, buf, n); |
|
| 545 |
if (n <= 0) |
|
| 546 |
slirp_exit(0); |
|
| 547 |
} |
|
| 548 |
} |
|
| 549 |
|
|
| 550 |
/* Just in case.... */ |
|
| 551 |
exit(1); |
|
| 552 |
} |
|
| 553 |
#endif |
|
| 554 |
|
|
| 555 |
#ifdef CONFIG_QEMU |
|
| 556 | 277 |
#include "monitor.h" |
| 557 | 278 |
|
| 558 | 279 |
void lprint(const char *format, ...) |
| ... | ... | |
| 563 | 284 |
monitor_vprintf(cur_mon, format, args); |
| 564 | 285 |
va_end(args); |
| 565 | 286 |
} |
| 566 |
#else |
|
| 567 |
int (*lprint_print) _P((void *, const char *, va_list)); |
|
| 568 |
char *lprint_ptr, *lprint_ptr2, **lprint_arg; |
|
| 569 |
|
|
| 570 |
void |
|
| 571 |
#ifdef __STDC__ |
|
| 572 |
lprint(const char *format, ...) |
|
| 573 |
#else |
|
| 574 |
lprint(va_alist) va_dcl |
|
| 575 |
#endif |
|
| 576 |
{
|
|
| 577 |
va_list args; |
|
| 578 |
|
|
| 579 |
#ifdef __STDC__ |
|
| 580 |
va_start(args, format); |
|
| 581 |
#else |
|
| 582 |
char *format; |
|
| 583 |
va_start(args); |
|
| 584 |
format = va_arg(args, char *); |
|
| 585 |
#endif |
|
| 586 |
#if 0 |
|
| 587 |
/* If we're printing to an sbuf, make sure there's enough room */ |
|
| 588 |
/* XXX +100? */ |
|
| 589 |
if (lprint_sb) {
|
|
| 590 |
if ((lprint_ptr - lprint_sb->sb_wptr) >= |
|
| 591 |
(lprint_sb->sb_datalen - (strlen(format) + 100))) {
|
|
| 592 |
int deltaw = lprint_sb->sb_wptr - lprint_sb->sb_data; |
|
| 593 |
int deltar = lprint_sb->sb_rptr - lprint_sb->sb_data; |
|
| 594 |
int deltap = lprint_ptr - lprint_sb->sb_data; |
|
| 595 |
|
|
| 596 |
lprint_sb->sb_data = (char *)realloc(lprint_sb->sb_data, |
|
| 597 |
lprint_sb->sb_datalen + TCP_SNDSPACE); |
|
| 598 |
|
|
| 599 |
/* Adjust all values */ |
|
| 600 |
lprint_sb->sb_wptr = lprint_sb->sb_data + deltaw; |
|
| 601 |
lprint_sb->sb_rptr = lprint_sb->sb_data + deltar; |
|
| 602 |
lprint_ptr = lprint_sb->sb_data + deltap; |
|
| 603 |
|
|
| 604 |
lprint_sb->sb_datalen += TCP_SNDSPACE; |
|
| 605 |
} |
|
| 606 |
} |
|
| 607 |
#endif |
|
| 608 |
if (lprint_print) |
|
| 609 |
lprint_ptr += (*lprint_print)(*lprint_arg, format, args); |
|
| 610 |
|
|
| 611 |
/* Check if they want output to be logged to file as well */ |
|
| 612 |
if (lfd) {
|
|
| 613 |
/* |
|
| 614 |
* Remove \r's |
|
| 615 |
* otherwise you'll get ^M all over the file |
|
| 616 |
*/ |
|
| 617 |
int len = strlen(format); |
|
| 618 |
char *bptr1, *bptr2; |
|
| 619 |
|
|
| 620 |
bptr1 = bptr2 = strdup(format); |
|
| 621 |
|
|
| 622 |
while (len--) {
|
|
| 623 |
if (*bptr1 == '\r') |
|
| 624 |
memcpy(bptr1, bptr1+1, len+1); |
|
| 625 |
else |
|
| 626 |
bptr1++; |
|
| 627 |
} |
|
| 628 |
vfprintf(lfd, bptr2, args); |
|
| 629 |
free(bptr2); |
|
| 630 |
} |
|
| 631 |
va_end(args); |
|
| 632 |
} |
|
| 633 |
|
|
| 634 |
void |
|
| 635 |
add_emu(buff) |
|
| 636 |
char *buff; |
|
| 637 |
{
|
|
| 638 |
u_int lport, fport; |
|
| 639 |
u_int8_t tos = 0, emu = 0; |
|
| 640 |
char buff1[256], buff2[256], buff4[128]; |
|
| 641 |
char *buff3 = buff4; |
|
| 642 |
struct emu_t *emup; |
|
| 643 |
struct socket *so; |
|
| 644 |
|
|
| 645 |
if (sscanf(buff, "%256s %256s", buff2, buff1) != 2) {
|
|
| 646 |
lprint("Error: Bad arguments\r\n");
|
|
| 647 |
return; |
|
| 648 |
} |
|
| 649 |
|
|
| 650 |
if (sscanf(buff1, "%d:%d", &lport, &fport) != 2) {
|
|
| 651 |
lport = 0; |
|
| 652 |
if (sscanf(buff1, "%d", &fport) != 1) {
|
|
| 653 |
lprint("Error: Bad first argument\r\n");
|
|
| 654 |
return; |
|
| 655 |
} |
|
| 656 |
} |
|
| 657 |
|
|
| 658 |
if (sscanf(buff2, "%128[^:]:%128s", buff1, buff3) != 2) {
|
|
| 659 |
buff3 = 0; |
|
| 660 |
if (sscanf(buff2, "%256s", buff1) != 1) {
|
|
| 661 |
lprint("Error: Bad second argument\r\n");
|
|
| 662 |
return; |
|
| 663 |
} |
|
| 664 |
} |
|
| 665 |
|
|
| 666 |
if (buff3) {
|
|
| 667 |
if (strcmp(buff3, "lowdelay") == 0) |
|
| 668 |
tos = IPTOS_LOWDELAY; |
|
| 669 |
else if (strcmp(buff3, "throughput") == 0) |
|
| 670 |
tos = IPTOS_THROUGHPUT; |
|
| 671 |
else {
|
|
| 672 |
lprint("Error: Expecting \"lowdelay\"/\"throughput\"\r\n");
|
|
| 673 |
return; |
|
| 674 |
} |
|
| 675 |
} |
|
| 676 |
|
|
| 677 |
if (strcmp(buff1, "ftp") == 0) |
|
| 678 |
emu = EMU_FTP; |
|
| 679 |
else if (strcmp(buff1, "irc") == 0) |
|
| 680 |
emu = EMU_IRC; |
|
| 681 |
else if (strcmp(buff1, "none") == 0) |
|
| 682 |
emu = EMU_NONE; /* ie: no emulation */ |
|
| 683 |
else {
|
|
| 684 |
lprint("Error: Unknown service\r\n");
|
|
| 685 |
return; |
|
| 686 |
} |
|
| 687 |
|
|
| 688 |
/* First, check that it isn't already emulated */ |
|
| 689 |
for (emup = tcpemu; emup; emup = emup->next) {
|
|
| 690 |
if (emup->lport == lport && emup->fport == fport) {
|
|
| 691 |
lprint("Error: port already emulated\r\n");
|
|
| 692 |
return; |
|
| 693 |
} |
|
| 694 |
} |
|
| 695 |
|
|
| 696 |
/* link it */ |
|
| 697 |
emup = (struct emu_t *)malloc(sizeof (struct emu_t)); |
|
| 698 |
emup->lport = (u_int16_t)lport; |
|
| 699 |
emup->fport = (u_int16_t)fport; |
|
| 700 |
emup->tos = tos; |
|
| 701 |
emup->emu = emu; |
|
| 702 |
emup->next = tcpemu; |
|
| 703 |
tcpemu = emup; |
|
| 704 |
|
|
| 705 |
/* And finally, mark all current sessions, if any, as being emulated */ |
|
| 706 |
for (so = tcb.so_next; so != &tcb; so = so->so_next) {
|
|
| 707 |
if ((lport && lport == ntohs(so->so_lport)) || |
|
| 708 |
(fport && fport == ntohs(so->so_fport))) {
|
|
| 709 |
if (emu) |
|
| 710 |
so->so_emu = emu; |
|
| 711 |
if (tos) |
|
| 712 |
so->so_iptos = tos; |
|
| 713 |
} |
|
| 714 |
} |
|
| 715 |
|
|
| 716 |
lprint("Adding emulation for %s to port %d/%d\r\n", buff1, emup->lport, emup->fport);
|
|
| 717 |
} |
|
| 718 |
#endif |
|
| 719 | 287 |
|
| 720 | 288 |
#ifdef BAD_SPRINTF |
| 721 | 289 |
|
| ... | ... | |
| 817 | 385 |
#endif |
| 818 | 386 |
} |
| 819 | 387 |
|
| 820 |
|
|
| 821 |
#if 0 |
|
| 822 |
/* |
|
| 823 |
* invoke RSH |
|
| 824 |
*/ |
|
| 825 |
int |
|
| 826 |
rsh_exec(so,ns, user, host, args) |
|
| 827 |
struct socket *so; |
|
| 828 |
struct socket *ns; |
|
| 829 |
char *user; |
|
| 830 |
char *host; |
|
| 831 |
char *args; |
|
| 832 |
{
|
|
| 833 |
int fd[2]; |
|
| 834 |
int fd0[2]; |
|
| 835 |
int s; |
|
| 836 |
char buff[256]; |
|
| 837 |
|
|
| 838 |
DEBUG_CALL("rsh_exec");
|
|
| 839 |
DEBUG_ARG("so = %lx", (long)so);
|
|
| 840 |
|
|
| 841 |
if (pipe(fd)<0) {
|
|
| 842 |
lprint("Error: pipe failed: %s\n", strerror(errno));
|
|
| 843 |
return 0; |
|
| 844 |
} |
|
| 845 |
/* #ifdef HAVE_SOCKETPAIR */ |
|
| 846 |
#if 1 |
|
| 847 |
if (socketpair(PF_UNIX,SOCK_STREAM,0, fd0) == -1) {
|
|
| 848 |
close(fd[0]); |
|
| 849 |
close(fd[1]); |
|
| 850 |
lprint("Error: openpty failed: %s\n", strerror(errno));
|
|
| 851 |
return 0; |
|
| 852 |
} |
|
| 853 |
#else |
|
| 854 |
if (slirp_openpty(&fd0[0], &fd0[1]) == -1) {
|
|
| 855 |
close(fd[0]); |
|
| 856 |
close(fd[1]); |
|
| 857 |
lprint("Error: openpty failed: %s\n", strerror(errno));
|
|
| 858 |
return 0; |
|
| 859 |
} |
|
| 860 |
#endif |
|
| 861 |
|
|
| 862 |
switch(fork()) {
|
|
| 863 |
case -1: |
|
| 864 |
lprint("Error: fork failed: %s\n", strerror(errno));
|
|
| 865 |
close(fd[0]); |
|
| 866 |
close(fd[1]); |
|
| 867 |
close(fd0[0]); |
|
| 868 |
close(fd0[1]); |
|
| 869 |
return 0; |
|
| 870 |
|
|
| 871 |
case 0: |
|
| 872 |
close(fd[0]); |
|
| 873 |
close(fd0[0]); |
|
| 874 |
|
|
| 875 |
/* Set the DISPLAY */ |
|
| 876 |
if (x_port >= 0) {
|
|
| 877 |
#ifdef HAVE_SETENV |
|
| 878 |
sprintf(buff, "%s:%d.%d", inet_ntoa(our_addr), x_port, x_screen); |
|
| 879 |
setenv("DISPLAY", buff, 1);
|
|
| 880 |
#else |
|
| 881 |
sprintf(buff, "DISPLAY=%s:%d.%d", inet_ntoa(our_addr), x_port, x_screen); |
|
| 882 |
putenv(buff); |
|
| 883 |
#endif |
|
| 884 |
} |
|
| 885 |
|
|
| 886 |
dup2(fd0[1], 0); |
|
| 887 |
dup2(fd0[1], 1); |
|
| 888 |
dup2(fd[1], 2); |
|
| 889 |
for (s = 3; s <= 255; s++) |
|
| 890 |
close(s); |
|
| 891 |
|
|
| 892 |
execlp("rsh","rsh","-l", user, host, args, NULL);
|
|
| 893 |
|
|
| 894 |
/* Ooops, failed, let's tell the user why */ |
|
| 895 |
|
|
| 896 |
sprintf(buff, "Error: execlp of %s failed: %s\n", |
|
| 897 |
"rsh", strerror(errno)); |
|
| 898 |
write(2, buff, strlen(buff)+1); |
|
| 899 |
close(0); close(1); close(2); /* XXX */ |
|
| 900 |
exit(1); |
|
| 901 |
|
|
| 902 |
default: |
|
| 903 |
close(fd[1]); |
|
| 904 |
close(fd0[1]); |
|
| 905 |
ns->s=fd[0]; |
|
| 906 |
so->s=fd0[0]; |
|
| 907 |
|
|
| 908 |
return 1; |
|
| 909 |
} |
|
| 910 |
} |
|
| 911 |
#endif |
|
| 912 |
|
|
| 913 | 388 |
void slirp_connection_info(Monitor *mon) |
| 914 | 389 |
{
|
| 915 | 390 |
const char * const tcpstates[] = {
|
Also available in: Unified diff