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Diffstat (limited to 'source3/smbd/vt_mode.c')
-rw-r--r--source3/smbd/vt_mode.c496
1 files changed, 0 insertions, 496 deletions
diff --git a/source3/smbd/vt_mode.c b/source3/smbd/vt_mode.c
deleted file mode 100644
index 83b62a38ac..0000000000
--- a/source3/smbd/vt_mode.c
+++ /dev/null
@@ -1,496 +0,0 @@
-/* vt_mode.c */
-/*
-support vtp-sessions
-
-written by Christian A. Lademann <cal@zls.com>
-*/
-
-/*
-02.05.95:cal:ported to samba-1.9.13
-*/
-
-#define __vt_mode_c__
-
-
-/* #include <stdio.h> */
-/* #include <fcntl.h> */
-/* #include <sys/types.h> */
-/* #include <unistd.h> */
-/* #include <signal.h> */
-/* #include <errno.h> */
-/* #include <ctype.h> */
-/* #include <utmp.h> */
-/* #include <sys/param.h> */
-/* #include <sys/ioctl.h> */
-/* #include <stdlib.h> */
-/* #include <string.h> */
-
-#include "includes.h"
-#include "vt_mode.h"
-#include <utmp.h>
-
-#ifdef SCO
- extern char *strdup();
-#endif
-
-extern int Client;
-
-#ifdef LINUX
-# define HAS_VTY
-#endif
-
-#ifdef SCO
-# define HAS_PTY
-# define HAS_VTY
-
-# include <sys/tty.h>
-#endif
-
-extern int DEBUGLEVEL;
-extern char *InBuffer, *OutBuffer;
-extern int done_become_user;
-
-char master_name [64], slave_name [64];
-int master, slave, i, o, e;
-
-int ms_type = MS_NONE,
- ms_poll = 0;
-
-
-/*
-VT_Check: test incoming packet for "vtp" or "iVT1\0"
-*/
-int VT_Check(buffer)
-char *buffer;
-{
- DEBUG(3,("Checking packet: <%10s...>\n", buffer+4));
- if((strncmp(buffer+4, "vtp", 3) == 0 && smb_len(buffer) == 3) || (strncmp(buffer+4, "iVT1\0", 5) == 0 && smb_len(buffer) == 5))
- return(1);
- else
- return(0);
-}
-
-
-/*
-VT_Start_utmp: prepare /etc/utmp for /bin/login
-*/
-VT_Start_utmp()
-{
- struct utmp u, *v;
- char *tt;
-
-
- setutent();
-
- strcpy(u.ut_line, VT_Line);
-
- if((v = getutline(&u)) == NULL) {
- if(strncmp(VT_Line, "tty", 3) == 0)
- tt = VT_Line + 3;
- else if(strlen(VT_Line) > 4)
- tt = VT_Line + strlen(VT_Line) - 4;
- else
- tt = VT_Line;
-
- strcpy(u.ut_id, tt);
- u.ut_time = time((time_t*)0);
- }
-
- strcpy(u.ut_user, "LOGIN");
- strcpy(u.ut_line, VT_Line);
- u.ut_pid = getpid();
- u.ut_type = LOGIN_PROCESS;
- pututline(&u);
-
- endutent();
-
- return(0);
-}
-
-
-/*
-VT_Stop_utmp: prepare /etc/utmp for other processes
-*/
-VT_Stop_utmp()
-{
- struct utmp u, *v;
-
-
- if(VT_Line != NULL) {
- setutent();
-
- strcpy(u.ut_line, VT_Line);
-
- if((v = getutline(&u)) != NULL) {
- strcpy(v->ut_user, "");
- v->ut_type = DEAD_PROCESS;
- v->ut_time = time((time_t*)0);
- pututline(v);
- }
-
- endutent();
- }
-
- return(0);
-}
-
-
-/*
-VT_AtExit: Things to do when the program exits
-*/
-void VT_AtExit()
-{
- if(VT_ChildPID > 0) {
- kill(VT_ChildPID, SIGHUP);
- (void)wait(NULL);
- }
-
- VT_Stop_utmp();
-}
-
-
-/*
-VT_SigCLD: signalhandler for SIGCLD: set flag if child-process died
-*/
-void VT_SigCLD(sig)
-int sig;
-{
- if(wait(NULL) == VT_ChildPID)
- VT_ChildDied = True;
- else
- signal(SIGCLD, VT_SigCLD);
-}
-
-
-/*
-VT_SigEXIT: signalhandler for signals that cause the process to exit
-*/
-void VT_SigEXIT(sig)
-int sig;
-{
- VT_AtExit();
-
- exit(1);
-}
-
-
-/*
-VT_Start: initialize vt-specific data, alloc pty, spawn shell and send ACK
-*/
-int VT_Start()
-{
- char OutBuf [64], *X, *Y;
-
-
- ms_type = MS_NONE;
- master = slave = -1;
-
-#ifdef HAS_VTY
-#ifdef LINUX
-# define MASTER_TMPL "/dev/pty "
-# define SLAVE_TMPL "/dev/tty "
-# define LETTER1 "pqrs"
-# define POS1 8
-# define LETTER2 "0123456789abcdef"
-# define POS2 9
-#endif
-
-#ifdef SCO
-# define MASTER_TMPL "/dev/ptyp_ "
-# define SLAVE_TMPL "/dev/ttyp_ "
-# define LETTER1 "0123456"
-# define POS1 10
-# define LETTER2 "0123456789abcdef"
-# define POS2 11
-#endif
-
- if(ms_poll == MS_VTY || ms_poll == 0) {
- strcpy(master_name, MASTER_TMPL);
- strcpy(slave_name, SLAVE_TMPL);
-
- for(X = LETTER1; *X && master < 0; X++)
- for(Y = LETTER2; *Y && master < 0; Y++) {
- master_name [POS1] = *X;
- master_name [POS2] = *Y;
- if((master = open(master_name, O_RDWR)) >= 0) {
- slave_name [POS1] = *X;
- slave_name [POS2] = *Y;
- if((slave = open(slave_name, O_RDWR)) < 0)
- close(master);
- }
- }
-
- if(master >= 0 && slave >= 0)
- ms_type = MS_VTY;
- }
-
-# undef MASTER_TMPL
-# undef SLAVE_TMPL
-# undef LETTER1
-# undef LETTER2
-# undef POS1
-# undef POS2
-#endif
-
-
-#ifdef HAS_PTY
-#ifdef SCO
-# define MASTER_TMPL "/dev/ptyp%d"
-# define SLAVE_TMPL "/dev/ttyp%d"
-# define MIN_I 0
-# define MAX_I 63
-#endif
-
- if(ms_poll == MS_PTY || ms_poll == 0) {
- int i;
-
- for(i = MIN_I; i <= MAX_I && master < 0; i++) {
- sprintf(master_name, MASTER_TMPL, i);
- if((master = open(master_name, O_RDWR)) >= 0) {
- sprintf(slave_name, SLAVE_TMPL, i);
- if((slave = open(slave_name, O_RDWR)) < 0)
- close(master);
- }
- }
-
- if(master >= 0 && slave >= 0)
- ms_type = MS_PTY;
- }
-
-# undef MASTER_TMPL
-# undef SLAVE_TMPL
-# undef MIN_I
-# undef MAX_I
-#endif
-
-
- if(! ms_type)
- return(-1);
-
- VT_Line = strdup(strrchr(slave_name, '/') + 1);
-
- switch((VT_ChildPID = fork())) {
- case -1:
- return(-1);
- break;
-
- case 0:
-#ifdef SCO
- setsid();
-#endif
- close(0);
- close(1);
- close(2);
-
- i = open(slave_name, O_RDWR);
- o = open(slave_name, O_RDWR);
- e = open(slave_name, O_RDWR);
-
-#ifdef LINUX
- setsid();
- if (ioctl(slave, TIOCSCTTY, (char *)NULL) == -1)
- exit(1);
-#endif
-#ifdef SCO
- tcsetpgrp(0, getpid());
-#endif
-
- VT_Start_utmp();
-
- system("stty sane");
- execlp("/bin/login", "login", "-c", (char*)0);
- exit(1);
- break;
-
- default:
- VT_Mode = True;
- VT_Status = VT_OPEN;
- VT_ChildDied = False;
- VT_Fd = master;
-
- signal(SIGCLD, VT_SigCLD);
-
- signal(SIGHUP, VT_SigEXIT);
- signal(SIGTERM, VT_SigEXIT);
- signal(SIGINT, VT_SigEXIT);
- signal(SIGQUIT, VT_SigEXIT);
-
- memset(OutBuf, 0, sizeof(OutBuf));
- OutBuf [4] = 0x06;
- _smb_setlen(OutBuf, 1);
-
- send_smb(Client,OutBuf);
-
- return(0);
- break;
- }
-}
-
-
-/*
-VT_Output: transport data from socket to pty
-*/
-int VT_Output(Buffer)
-char *Buffer;
-{
- int i, len, nb;
-
-
- if(VT_Status != VT_OPEN)
- return(-1);
-
- len = smb_len(Buffer);
-
- nb = write(VT_Fd, Buffer + 4, len);
-
- return((nb == len) ? 0 : -1);
-}
-
-
-/*
-VT_Input: transport data from pty to socket
-*/
-int VT_Input(Buffer, Size)
-char *Buffer;
-int Size;
-{
- int len;
-
-
- if(VT_Status != VT_OPEN)
- return(-1);
-
- memset(Buffer, 0, Size);
- len = read(VT_Fd, Buffer + 4, MIN(VT_MAXREAD, Size));
-
- _smb_setlen(Buffer, len);
-
- return(len + 4);
-}
-
-
-/*
-VT_Process: main loop while in vt-mode
-*/
-void VT_Process()
-{
- static int trans_num = 0;
- extern int Client;
- int nread;
-
-
- VT_Start();
-
- atexit(VT_AtExit);
-
- while (True) {
- int32 len;
- int msg_type;
- int msg_flags;
- int counter;
- int last_keepalive=0;
- struct fd_set si;
- struct timeval to, *top;
- int n, ret, t;
-
-
- errno = 0;
- t = SMBD_SELECT_LOOP*1000;
-
-
- FD_ZERO(&si);
- FD_SET(Client, &si);
-
- FD_SET(VT_Fd, &si);
-
- if(t >= 0) {
- to.tv_sec = t / 1000;
- to.tv_usec = t - (to.tv_sec * 1000);
-
- top = &to;
- } else
- top = NULL;
-
- if(VT_ChildDied)
- goto leave_VT_Process;
-
- n = select(MAX(VT_Fd, Client) + 1, &si, NULL, NULL, top);
-
- if(VT_ChildDied)
- goto leave_VT_Process;
-
- if(n == 0) {
- int i;
- time_t t;
- BOOL allidle = True;
- extern int keepalive;
-
- counter += SMBD_SELECT_LOOP;
-
- t = time(NULL);
-
- if (keepalive && (counter-last_keepalive)>keepalive) {
- if (!send_keepalive(Client))
- goto leave_VT_Process;
- last_keepalive = counter;
- }
- } else if(n > 0) {
- counter = 0;
-
- if(FD_ISSET(VT_Fd, &si)) {
- /* got input from vt */
- nread = VT_Input(OutBuffer, MIN(BUFFER_SIZE,lp_maxxmit()));
-
- if(nread > 0)
- send_smb(Client,OutBuffer);
- }
-
- if(FD_ISSET(Client, &si)) {
- /* got input from socket */
-
- if(receive_smb(Client,InBuffer, 0)) {
- msg_type = CVAL(InBuffer,0);
- msg_flags = CVAL(InBuffer,1);
-
- len = smb_len(InBuffer);
-
- DEBUG(6,("got message type 0x%x of len 0x%x\n",msg_type,len));
-
- nread = len + 4;
-
- DEBUG(3,("%s Transaction %d of length %d\n",timestring(),trans_num,nread));
-
- if(msg_type == 0)
- VT_Output(InBuffer);
- else {
- nread = construct_reply(InBuffer,OutBuffer,nread,MIN(BUFFER_SIZE,lp_maxxmit()));
-
- if(nread > 0) {
- if (nread != smb_len(OutBuffer) + 4) {
- DEBUG(0,("ERROR: Invalid message response size! %d %d\n",
- nread,
- smb_len(OutBuffer)));
- } else
- send_smb(Client,OutBuffer);
- }
- }
- } else
- if(errno == EBADF)
- goto leave_VT_Process;
- }
- }
-
- trans_num++;
- }
-
- leave_VT_Process:
-/*
- if(VT_ChildPID > 0)
- kill(VT_ChildPID, SIGHUP);
-
- VT_Stop_utmp(VT_Line);
- return;
-*/
- close_sockets();
- exit(0);
-}
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