diff options
Diffstat (limited to 'src/pty/ntapi_pty_ioctl.c')
-rw-r--r-- | src/pty/ntapi_pty_ioctl.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/pty/ntapi_pty_ioctl.c b/src/pty/ntapi_pty_ioctl.c new file mode 100644 index 0000000..f828753 --- /dev/null +++ b/src/pty/ntapi_pty_ioctl.c @@ -0,0 +1,92 @@ +/********************************************************/ +/* ntapi: Native API core library */ +/* Copyright (C) 2013,2014,2015 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */ +/********************************************************/ + +#include <psxtypes/psxtypes.h> +#include <ntapi/nt_port.h> +#include <ntapi/nt_tty.h> +#include <ntapi/nt_termios.h> +#include <ntapi/ntapi.h> +#include "ntapi_impl.h" +#include "ntapi_pty.h" + +int32_t __stdcall __ntapi_pty_ioctl( + nt_pty * pty, + void * hevent __optional, + nt_io_apc_routine * apc_routine __optional, + void * apc_context __optional, + nt_iosb * iosb, + uint32_t ctlcode, + void * input_buffer __optional, + uint32_t input_buffer_length, + void * output_buffer __optional, + uint32_t output_buffer_length) +{ + int32_t status; + nt_pty_sigctl_msg msg; + nt_tty_sigctl_info * input; + nt_tty_sigctl_info * output; + + if ((uintptr_t)input_buffer % sizeof(uintptr_t)) + return NT_STATUS_DATATYPE_MISALIGNMENT_ERROR; + else if (input_buffer_length != sizeof(nt_tty_sigctl_info)) + return NT_STATUS_INVALID_BUFFER_SIZE; + else if (!output_buffer) + return NT_STATUS_ACCESS_DENIED; + else if ((uintptr_t)output_buffer % sizeof(uintptr_t)) + return NT_STATUS_DATATYPE_MISALIGNMENT_ERROR; + else if (output_buffer_length < sizeof(nt_tty_sigctl_info)) + return NT_STATUS_BUFFER_TOO_SMALL; + + input = (nt_tty_sigctl_info *)input_buffer; + output = (nt_tty_sigctl_info *)output_buffer; + + __ntapi->tt_aligned_block_memset( + &msg,0,sizeof(msg)); + + msg.header.msg_type = NT_LPC_NEW_MESSAGE; + msg.header.data_size = sizeof(msg.data); + msg.header.msg_size = sizeof(msg); + msg.data.ttyinfo.opcode = NT_TTY_PTY_IOCTL; + + msg.data.ctlinfo.hpty = pty->hpty; + msg.data.ctlinfo.luid.high = pty->luid.high; + msg.data.ctlinfo.luid.low = pty->luid.low; + msg.data.ctlinfo.ctlcode = ctlcode; + + __ntapi->tt_guid_copy( + &msg.data.ctlinfo.guid, + &pty->guid); + + msg.data.ctlinfo.ctxarg[0] = input->ctxarg[0]; + msg.data.ctlinfo.ctxarg[1] = input->ctxarg[1]; + msg.data.ctlinfo.ctxarg[2] = input->ctxarg[2]; + msg.data.ctlinfo.ctxarg[3] = input->ctxarg[3]; + + __ntapi->tt_generic_memcpy( + (char *)&input->terminfo, + (char *)&msg.data.ctlinfo.terminfo, + sizeof(input->terminfo)); + + __ntapi->tt_generic_memcpy( + (char *)&input->winsize, + (char *)&msg.data.ctlinfo.winsize, + sizeof(input->winsize)); + + if ((status = __ntapi->zw_request_wait_reply_port(pty->hport,&msg,&msg))) + return status; + else if (msg.data.ttyinfo.status) + return msg.data.ttyinfo.status; + + __ntapi->tt_aligned_block_memcpy( + (uintptr_t *)output, + (uintptr_t *)&msg.data.ctlinfo, + sizeof(*output)); + + iosb->info = msg.data.ctlinfo.iosb.info; + iosb->status = msg.data.ctlinfo.iosb.status; + + return NT_STATUS_SUCCESS; +} |