diff options
Diffstat (limited to 'loader2/telnetd.c')
| -rw-r--r-- | loader2/telnetd.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/loader2/telnetd.c b/loader2/telnetd.c deleted file mode 100644 index 75bce5222..000000000 --- a/loader2/telnetd.c +++ /dev/null @@ -1,250 +0,0 @@ -/* - * telnetd.c - glue to tie telnet.c from ttywatch to the loader - * - * Erik Troan <ewt@redhat.com> - * Jeremy Katz <katzj@redhat.com> - * - * Copyright 2002 Red Hat, Inc. - * - * This software may be freely redistributed under the terms of the GNU - * General Public License. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <arpa/inet.h> -#include <ctype.h> -#include <errno.h> -#include <fcntl.h> -#include <netinet/in.h> -#include <newt.h> -#include <pty.h> -#include <stdlib.h> -#include <string.h> -#include <sys/ioctl.h> -#include <sys/poll.h> -#include <sys/signal.h> -#include <sys/socket.h> -#include <sys/types.h> -#include <unistd.h> - -#include "lang.h" -#include "loader.h" -#include "log.h" -#include "modules.h" -#include "net.h" -#include "telnet.h" -#include "windows.h" - -#ifndef IPPORT_TELNET -#define IPPORT_TELNET 23 -#endif - -/* boot flags */ -extern int flags; - -/* Forks, keeping the loader as our child (so we know when it dies). */ -int beTelnet(void) { - int sock; - int conn; - socklen_t addrLength; - pid_t child; - int i; - int masterFd, ttyFd; - struct sockaddr_in address; - char buf[4096]; - struct pollfd fds[3]; - telnet_state ts = TS_DATA; - char * termType; - int height, width; - struct winsize ws; - - if ((sock = socket(PF_INET, SOCK_STREAM, 0)) < 0) { - logMessage(ERROR, "socket: %s", strerror(errno)); - return -1; - } - - address.sin_family = AF_INET; - address.sin_port = htons(IPPORT_TELNET); - memset(&address.sin_addr, 0, sizeof(address.sin_addr)); - addrLength = sizeof(address); - - /* Let the kernel reuse the socket address. This lets us run - twice in a row, without waiting for the (ip, port) tuple - to time out. Makes testing much easier*/ - conn = 1; - setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &conn, sizeof(conn)); - - bind(sock, (struct sockaddr *) &address, sizeof(address)); - listen(sock, 5); - - winStatus(45, 3, _("Telnet"), _("Waiting for telnet connection...")); - - if ((conn = accept(sock, (struct sockaddr *) &address, - &addrLength)) < 0) { - newtWinMessage(_("Error"), _("OK"), "accept failed: %s", - strerror(errno)); - close(sock); - return -1; - } - - stopNewt(); - - close(sock); - - telnet_negotiate(conn, &termType, &height, &width); - -#ifdef DEBUG_TELNET - printf("got term type %s\n", termType); -#endif - - masterFd = open("/dev/ptmx", O_RDWR); - if (masterFd < 0) { - logMessage(CRITICAL, "cannot open /dev/ptmx"); - close(conn); - return -1; - } - - if (height != -1 && width != -1) { -#ifdef DEBUG_TELNET - printf("setting window size to %d x %d\n", width, height); -#endif - ws.ws_row = height; - ws.ws_col = width; - ioctl(masterFd, TIOCSWINSZ, &ws); - } - - - child = fork(); - - if (child) { -#ifndef DEBUG_TELNET - startNewt(); - winStatus(45, 3, _("Telnet"), _("Running anaconda via telnet...")); -#endif - - fds[0].events = POLLIN; - fds[0].fd = masterFd; - - fds[1].events = POLLIN; - fds[1].fd = conn; - - while ((i = poll(fds, 2, -1)) > 0) { - if (fds[0].revents) { - i = read(masterFd, buf, sizeof(buf)); - -#ifdef DEBUG_TELNET - { - int j; - int row; - - for (row = 0; row < (i / 12) + 1; row++) { - printf("wrote:"); - for (j = (row * 12); j < i && j < ((row + 1) * 12); j++) - printf(" 0x%2x", (unsigned char) buf[j]); - printf("\n"); - printf("wrote:"); - for (j = (row * 12); j < i && j < ((row + 1) * 12); j++) - { - if (isprint(buf[j])) - printf(" %c ", buf[j]); - else - printf(" "); - } - printf("\n"); - } - } -#endif - /* child died */ - if (i < 0) - break; - - telnet_send_output(conn, buf, i); - } - - if (fds[1].revents) { - int ret; - i = read(conn, buf, sizeof(buf)); - - /* connection went away */ - if (!i) - break; - - i = telnet_process_input(&ts, buf, i); - ret = write(masterFd, buf, i); - -#ifdef DEBUG_TELNET - { - int j; - - printf("got:"); - for (j = 0; j < i; j++) - printf(" 0x%x", (unsigned char) buf[j]); - printf("\n"); - } -#endif - - } - } - - - if (i < 0) { - logMessage(ERROR, "poll: %s", strerror(errno)); - } - -#ifndef DEBUG_TELNET - stopNewt(); -#endif - - kill(child, SIGTERM); - close(conn); - - exit(0); - } - - unlockpt(masterFd); - grantpt(masterFd); - ttyFd = open(ptsname(masterFd), O_RDWR); - close(masterFd); - setsid(); - close(0); - close(1); - close(2); - - if (ttyFd != 0) { - dup2(ttyFd, 0); - close(ttyFd); - } - dup2(0, 1); - dup2(0, 2); - - /* brand new tty! */ - setenv("TERM", termType, 1); - - startNewt(); - - return 0; -} - -void startTelnetd(struct loaderData_s * loaderData, - moduleInfoSet modInfo, moduleList modLoaded, - moduleDeps modDeps) { - char ret[47]; - struct networkDeviceConfig netCfg; - ip_addr_t *tip; - - if (kickstartNetworkUp(loaderData, &netCfg)) { - logMessage(ERROR, "unable to bring up network"); - return; - } - - tip = &(netCfg.dev.ip); - inet_ntop(tip->sa_family, IP_ADDR(tip), ret, IP_STRLEN(tip)); - logMessage(INFO, "going to beTelnet for %s", ret); - if (!beTelnet()) - flags |= LOADER_FLAGS_TEXT | LOADER_FLAGS_NOSHELL; - - return; -} |