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https://github.com/PowerShell/Win32-OpenSSH.git
synced 2025-07-23 22:15:37 +02:00
Add pluggable access to shell session so that cmd & powershell runs like natively
#define WIN32_PRAGMA_REMCON in config.h.vs or in channels.c, session.c and sshpty.c files . cmdserver.exe runtime in Pragma Fortress SSH package needed to access shell session.
This commit is contained in:
quamrulmina
parent
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commit
829f799ad9
@ -42,6 +42,7 @@
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#include "includes.h"
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#ifdef WIN32_FIXME
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//#define WIN32_PRAGMA_REMCON
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#ifdef ECONNABORTED
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#undef ECONNABORTED
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#endif
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@ -2482,6 +2483,9 @@ channel_input_data(int type, u_int32_t seq, void *ctxt)
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if ( c->client_tty )
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telProcessNetwork ( data, data_len ); // run it by ANSI engine if it is the ssh client
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else {
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#ifdef WIN32_PRAGMA_REMCON
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buffer_append(&c->output, data, data_len); // it is the sshd server, so pass it on
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#else
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if ( ( c->isatty) && (data_len ==1) && (data[0] == '\003') ) {
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/* send control-c to the shell process */
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if ( GenerateConsoleCtrlEvent ( CTRL_C_EVENT, 0 ) ) {
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@ -2492,7 +2496,7 @@ channel_input_data(int type, u_int32_t seq, void *ctxt)
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}
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else {
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// avoid sending the 4 arrow keys out to remote for now "ESC[A" ..
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if ( (c->isatty) && (data_len ==3) && (data[0] == '\033') && (data[1] == '[')) {
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if ( (c->isatty) && (data_len ==3) && (data[0] == '\033') && (data[1] == '[')) {
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if ( ( data[2] == 'A') || (data[2] == 'B') || (data[2] == 'C') || (data[2] == 'D'))
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packet_check_eom();
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return 0;
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@ -2515,6 +2519,7 @@ channel_input_data(int type, u_int32_t seq, void *ctxt)
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charinline = 0; // a line has ended, begin char in line count again
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}
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}
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#endif // WIN32_PRAGMA_REMCON
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}
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#endif
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@ -1707,5 +1707,7 @@ struct iovec
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// define building with MS Visual Studio Compiler and runtime and not with MingW/gcc compiler
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#define WIN32_VS 1
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// Use Pragma Systems Remote Console modules for shell sessions so that cmd/powershell fully
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// works remotely over SSH like they operate in a local machine
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//#define WIN32_PRAGMA_REMCON
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65
session.c
65
session.c
@ -42,6 +42,7 @@
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#undef GSSAPI
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#undef KRB5
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#define WIN32_USER_AUTH 1
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//#define WIN32_PRAGMA_REMCON
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#endif
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#include <sys/types.h>
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@ -589,11 +590,20 @@ do_exec_no_pty(Session *s, const char *command)
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char buf[256];
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int prot_scr_width = 80;
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int prot_scr_height = 25;
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#ifdef WIN32_PRAGMA_REMCON
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char exec_command_str[512];
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#endif
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if (!command)
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{
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#ifndef WIN32_PRAGMA_REMCON
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exec_command = s->pw->pw_shell;
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//exec_command = "c:\\tools\\echoit.exe"; // temp
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#else
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snprintf(exec_command_str, sizeof(exec_command_str),
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"\\program files\\pragma\\shared files\\cmdserver.exe SSHD %d %d",
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s->row, s->col );
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exec_command = exec_command_str;
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#endif
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}
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else
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{
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@ -606,28 +616,42 @@ do_exec_no_pty(Session *s, const char *command)
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* Create three socket pairs for stdin, stdout and stderr
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*/
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HANDLE wfdtocmd = -1;
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#ifdef WIN32_PRAGMA_REMCON
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int retcode = -1;
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if ( (!s -> is_subsystem) && (s ->ttyfd != -1))
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{
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//FreeConsole();
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//AllocConsole();
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MakeNewConsole();
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prot_scr_width = s->col;
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prot_scr_height = s->row;
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extern HANDLE hConsole ;
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hConsole = GetStdHandle (STD_OUTPUT_HANDLE);
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ConSetScreenSize( s->col, s->row );
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s->ptyfd = hConsole ; // the pty is the Windows console output handle in our Win32 port
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wfdtocmd = GetStdHandle (STD_INPUT_HANDLE) ; // we use this console handle to feed input to Windows shell cmd.exe
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sockin[1] = allocate_sfd((int)wfdtocmd); // put the std input handle in our global general handle table
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//if (sockin[1] >= 0)
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// sfd_set_to_console(sockin[1]); // mark it as Console type
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socketpair(sockin);
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s->ptyfd = sockin[1]; // hConsole; // the pty is the Windows console output handle in our Win32 port
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}
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else
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socketpair(sockin);
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#else
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HANDLE wfdtocmd = -1;
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int retcode = -1;
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if ((!s->is_subsystem) && (s->ttyfd != -1))
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{
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//FreeConsole();
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//AllocConsole();
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MakeNewConsole();
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prot_scr_width = s->col;
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prot_scr_height = s->row;
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extern HANDLE hConsole;
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hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
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ConSetScreenSize(s->col, s->row);
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s->ptyfd = hConsole; // the pty is the Windows console output handle in our Win32 port
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wfdtocmd = GetStdHandle(STD_INPUT_HANDLE); // we use this console handle to feed input to Windows shell cmd.exe
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sockin[1] = allocate_sfd((int)wfdtocmd); // put the std input handle in our global general handle table
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}
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else
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socketpair(sockin);
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#endif
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socketpair(sockout);
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socketpair(sockerr);
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@ -636,12 +660,14 @@ do_exec_no_pty(Session *s, const char *command)
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debug3("sockout[0]: %d sockout[1]: %d", sockout[0], sockout[1]);
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debug3("sockerr[0]: %d sockerr[1]: %d", sockerr[0], sockerr[1]);
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#ifndef WIN32_PRAGMA_REMCON
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if ( (s -> is_subsystem) || (s ->ttyfd == -1))
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crlf_sfd(sockin[1]);
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crlf_sfd(sockout[1]);
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if ( (s -> is_subsystem) || (s ->ttyfd == -1))
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#endif
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SetHandleInformation(sfd_to_handle(sockin[1]), HANDLE_FLAG_INHERIT, 0);
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SetHandleInformation(sfd_to_handle(sockout[1]), HANDLE_FLAG_INHERIT, 0);
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@ -668,11 +694,16 @@ do_exec_no_pty(Session *s, const char *command)
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si.cbReserved2 = 0;
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si.lpReserved2 = 0;
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#ifdef WIN32_PRAGMA_REMCON
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if (0) {
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#else
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if ( (!s -> is_subsystem) && (s ->ttyfd != -1) ) {
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si.hStdInput = GetStdHandle (STD_INPUT_HANDLE) ; // shell tty interactive session gets a console input for Win32
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si.hStdOutput = (HANDLE) sfd_to_handle(sockout[0]);
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si.hStdError = (HANDLE) sfd_to_handle(sockerr[0]);
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si.lpDesktop = NULL ; //winstadtname_w ;
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#endif
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}
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else {
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si.hStdInput = (HANDLE) sfd_to_handle(sockin[0]);
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@ -889,6 +920,7 @@ do_exec_no_pty(Session *s, const char *command)
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GetUserName(name, &size);
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#ifndef WIN32_PRAGMA_REMCON
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if ( (!s -> is_subsystem) && (s ->ttyfd != -1)) {
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// Send to the remote client ANSI/VT Sequence so that they send us CRLF in place of LF
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char *inittermseq = "\033[20h\033[?7h\0" ; // LFtoCRLF AUTOWRAPON
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@ -896,6 +928,7 @@ do_exec_no_pty(Session *s, const char *command)
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buffer_append(&c->input, inittermseq, strlen(inittermseq));
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channel_output_poll();
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}
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#endif
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//if (s ->ttyfd != -1) {
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// set the channel to tty interactive type
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@ -975,8 +1008,12 @@ do_exec_no_pty(Session *s, const char *command)
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/*
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* We are the parent. Close the child sides of the socket pairs.
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*/
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#ifndef WIN32_PRAGMA_REMCON
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if ( (s -> is_subsystem) || (s ->ttyfd == -1))
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close(sockin[0]);
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#else
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close(sockin[0]);
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#endif
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close(sockout[0]);
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close(sockerr[0]);
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@ -2734,7 +2771,9 @@ session_pty_req(Session *s)
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/* for SSH1 the tty modes length is not given */
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if (!compat20)
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n_bytes = packet_remaining();
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#ifndef WIN32_PRAGMA_REMCON
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tty_parse_modes(s->ttyfd, &n_bytes);
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#endif
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if (!use_privsep)
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pty_setowner(s->pw, s->tty);
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@ -2744,7 +2783,9 @@ session_pty_req(Session *s)
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pty_change_window_size(s->ptyfd, s->row, s->col, s->xpixel, s->ypixel);
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#endif
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#ifndef WIN32_PRAGMA_REMCON
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packet_check_eom();
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#endif
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session_proctitle(s);
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return 1;
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}
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32
sshpty.c
32
sshpty.c
@ -21,6 +21,7 @@
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#ifdef WIN32_FIXME
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#undef GSSAPI
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#undef KRB5
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//#define WIN32_PRAGMA_REMCON
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#endif
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#include <sys/types.h>
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@ -196,6 +197,32 @@ pty_make_controlling_tty(int *ttyfd, const char *tty)
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#endif
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}
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#ifdef WIN32_PRAGMA_REMCON
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/* Changes the window size associated with the pty. */
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void pty_change_window_size_oob(int ptyfd, u_int row, u_int col, u_int xpixel, u_int ypixel)
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{
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int rc;
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char unsigned data[16];
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size_t data_len;
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// IAC SB NAWS <16-bit value width> <16-bit value height> IAC
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//sprintf (data,"%c%c%c%c%c%c%c%c", 255, 250, 31, 0, col, 0, row, 255 );
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data[0] = 255; // IAC;
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data[1] = 250; // SB
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data[2] = 31; // NAWS
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data[3] = 0;
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data[4] = (unsigned char)col;
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data[5] = 0;
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data[6] = (unsigned char)row;
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data[7] = 255; // IAC
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data[8] = 240; // iac end
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data_len = 9; //strlen (data);
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rc = write(ptyfd, data, (DWORD)data_len);
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//rc = AsyncWrite(c->hInputHandle, (char *)data, (DWORD)data_len);
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}
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#endif
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/* Changes the window size associated with the pty. */
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void
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@ -214,7 +241,12 @@ pty_change_window_size(int ptyfd, u_int row, u_int col,
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#else
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extern HANDLE hConsole ;
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hConsole = ptyfd;
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#ifndef WIN32_PRAGMA_REMCON
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ConSetScreenSize( col, row );
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#else
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if (ptyfd > 0 )
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pty_change_window_size_oob(ptyfd, row, col, xpixel, ypixel);
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#endif
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#endif
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}
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