diff options
Diffstat (limited to 'slirp/misc.c')
| -rw-r--r-- | slirp/misc.c | 172 |
1 files changed, 86 insertions, 86 deletions
diff --git a/slirp/misc.c b/slirp/misc.c index 2c42fd15b0..db4444ef3a 100644 --- a/slirp/misc.c +++ b/slirp/misc.c @@ -1,6 +1,6 @@ /* * Copyright (c) 1995 Danny Gasparovski. - * + * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ @@ -31,7 +31,7 @@ show_x(buff, inso) if (x_display) lprint("X Redir: Redirecting to display %d\r\n", x_display); } - + return CFG_OK; } @@ -47,7 +47,7 @@ redir_x(inaddr, start_port, display, screen) int screen; { int i; - + if (x_port >= 0) { lprint("X Redir: X already being redirected.\r\n"); show_x(0, 0); @@ -89,7 +89,7 @@ getouraddr() { char buff[256]; struct hostent *he = NULL; - + if (gethostname(buff,256) == 0) he = gethostbyname(buff); if (he) @@ -172,13 +172,13 @@ add_exec(ex_ptr, do_pty, exec, addr, port) 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; @@ -233,7 +233,7 @@ slirp_openpty(amaster, aslave) #ifdef HAVE_GRANTPT char *ptr; - + if ((master = open("/dev/ptmx", O_RDWR)) < 0 || grantpt(master) < 0 || unlockpt(master) < 0 || @@ -241,7 +241,7 @@ slirp_openpty(amaster, aslave) close(master); return -1; } - + if ((slave = open(ptr, O_RDWR)) < 0 || ioctl(slave, I_PUSH, "ptem") < 0 || ioctl(slave, I_PUSH, "ldterm") < 0 || @@ -250,16 +250,16 @@ slirp_openpty(amaster, aslave) 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++) { @@ -296,7 +296,7 @@ slirp_openpty(amaster, aslave) * 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 @@ -320,12 +320,12 @@ fork_exec(so, ex, do_pty) char *bptr; 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 (slirp_openpty(&master, &s) == -1) { lprint("Error: openpty failed: %s\n", strerror(errno)); @@ -335,17 +335,17 @@ fork_exec(so, ex, do_pty) 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)); @@ -353,7 +353,7 @@ fork_exec(so, ex, do_pty) if (do_pty == 2) close(master); return 0; - + case 0: /* Set the DISPLAY */ if (do_pty == 2) { @@ -375,7 +375,7 @@ fork_exec(so, ex, do_pty) ret = connect(s, (struct sockaddr *)&addr, addrlen); } while (ret < 0 && errno == EINTR); } - + #if 0 if (x_port >= 0) { #ifdef HAVE_SETENV @@ -386,13 +386,13 @@ fork_exec(so, ex, do_pty) putenv(buff); #endif } -#endif +#endif dup2(s, 0); dup2(s, 1); dup2(s, 2); for (s = 3; s <= 255; s++) close(s); - + i = 0; bptr = strdup(ex); /* No need to free() this */ if (do_pty == 1) { @@ -410,21 +410,21 @@ fork_exec(so, ex, do_pty) *bptr++ = (char)0; argv[i++] = strdup(curarg); } while (c); - + argv[i] = 0; execvp(argv[0], argv); - + /* Ooops, failed, let's tell the user why */ { char buff[256]; - - sprintf(buff, "Error: execvp of %s failed: %s\n", + + sprintf(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); @@ -447,13 +447,13 @@ fork_exec(so, ex, do_pty) 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) { sbappend(so, so->so_m); so->so_m = 0; } - + return 1; } } @@ -465,10 +465,10 @@ strdup(str) const char *str; { char *bptr; - + bptr = (char *)malloc(strlen(str)+1); strcpy(bptr, str); - + return bptr; } #endif @@ -484,7 +484,7 @@ snooze_hup(num) #endif struct sockaddr_in sock_in; char buff[256]; - + ret = -1; if (slirp_socket_passwd) { s = socket(AF_INET, SOCK_STREAM, 0); @@ -514,29 +514,29 @@ snooze_hup(num) #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); } @@ -549,16 +549,16 @@ relay(s) 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"); @@ -567,18 +567,18 @@ relay(s) 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) @@ -587,7 +587,7 @@ relay(s) if (n <= 0) slirp_exit(0); } - + if (FD_ISSET(s, &readfds)) { n = read(s, buf, 8192); if (n <= 0) @@ -597,7 +597,7 @@ relay(s) slirp_exit(0); } } - + /* Just in case.... */ exit(1); } @@ -614,7 +614,7 @@ lprint(va_alist) va_dcl #endif { va_list args; - + #ifdef __STDC__ va_start(args, format); #else @@ -631,33 +631,33 @@ lprint(va_alist) va_dcl 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); @@ -680,12 +680,12 @@ add_emu(buff) 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) { @@ -693,7 +693,7 @@ add_emu(buff) return; } } - + if (sscanf(buff2, "%128[^:]:%128s", buff1, buff3) != 2) { buff3 = 0; if (sscanf(buff2, "%256s", buff1) != 1) { @@ -701,7 +701,7 @@ add_emu(buff) return; } } - + if (buff3) { if (strcmp(buff3, "lowdelay") == 0) tos = IPTOS_LOWDELAY; @@ -712,7 +712,7 @@ add_emu(buff) return; } } - + if (strcmp(buff1, "ftp") == 0) emu = EMU_FTP; else if (strcmp(buff1, "irc") == 0) @@ -723,7 +723,7 @@ add_emu(buff) 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) { @@ -731,7 +731,7 @@ add_emu(buff) return; } } - + /* link it */ emup = (struct emu_t *)malloc(sizeof (struct emu_t)); emup->lport = (u_int16_t)lport; @@ -740,7 +740,7 @@ add_emu(buff) 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)) || @@ -751,7 +751,7 @@ add_emu(buff) so->so_iptos = tos; } } - + lprint("Adding emulation for %s to port %d/%d\r\n", buff1, emup->lport, emup->fport); } @@ -803,12 +803,12 @@ u_sleep(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); } @@ -822,11 +822,11 @@ fd_nonblock(fd) { #ifdef FIONBIO int opt = 1; - + ioctlsocket(fd, FIONBIO, &opt); #else int opt; - + opt = fcntl(fd, F_GETFL, 0); opt |= O_NONBLOCK; fcntl(fd, F_SETFL, opt); @@ -839,11 +839,11 @@ fd_block(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); @@ -867,10 +867,10 @@ rsh_exec(so,ns, user, host, args) 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; @@ -891,7 +891,7 @@ rsh_exec(so,ns, user, host, args) return 0; } #endif - + switch(fork()) { case -1: lprint("Error: fork failed: %s\n", strerror(errno)); @@ -900,11 +900,11 @@ rsh_exec(so,ns, user, host, args) 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 @@ -915,29 +915,29 @@ rsh_exec(so,ns, user, host, args) 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; } } |