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/*************************************************************************** |
/* SPDX-License-Identifier: GPL-3.0-or-later */ |
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io.c - description |
/* |
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------------------- |
* io |
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begin : Mon Oct 18 2004 |
* - basic terminal-based user input / output features |
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copyright : (C) 2004 by Leaflet |
* |
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email : leaflet@leafok.com |
* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com> |
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***************************************************************************/ |
*/ |
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/*************************************************************************** |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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***************************************************************************/ |
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#include "io.h" |
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#include "common.h" |
#include "common.h" |
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#include "tcplib.h" |
#include "io.h" |
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#include <stdio.h> |
#include "log.h" |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <stdarg.h> |
#include <stdarg.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <time.h> |
#include <time.h> |
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#include <fcntl.h> |
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#include <unistd.h> |
#include <unistd.h> |
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#include <sys/epoll.h> |
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#include <sys/ioctl.h> |
#include <sys/ioctl.h> |
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#include <sys/select.h> |
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#include <libssh/callbacks.h> |
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#include <libssh/libssh.h> |
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#include <libssh/server.h> |
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const char BBS_default_charset[CHARSET_MAX_LEN + 1] = "UTF-8"; |
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char stdio_charset[CHARSET_MAX_LEN + 1] = "UTF-8"; |
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// static input / output buffer |
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static char stdin_buf[LINE_BUFFER_LEN]; |
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static char stdout_buf[BUFSIZ]; |
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static int stdin_buf_len = 0; |
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static int stdout_buf_len = 0; |
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static int stdin_buf_offset = 0; |
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static int stdout_buf_offset = 0; |
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static char stdin_conv[LINE_BUFFER_LEN * 2]; |
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static char stdout_conv[BUFSIZ * 2]; |
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static int stdin_conv_len = 0; |
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static int stdout_conv_len = 0; |
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static int stdin_conv_offset = 0; |
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static int stdout_conv_offset = 0; |
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int outc(char c) |
static iconv_t stdin_cd = NULL; |
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{ |
static iconv_t stdout_cd = NULL; |
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int retval; |
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retval = fprintf(stdout, "%c", c); |
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return retval; |
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} |
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int prints(const char *format, ...) |
int prints(const char *format, ...) |
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{ |
{ |
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char buf[BUFSIZ]; |
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va_list args; |
va_list args; |
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int retval; |
int ret; |
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va_start(args, format); |
va_start(args, format); |
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retval = vfprintf(stdout, format, args); |
ret = vsnprintf(buf, sizeof(buf), format, args); |
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va_end(args); |
va_end(args); |
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return retval; |
if (ret > 0) |
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{ |
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if (stdout_buf_len + ret > BUFSIZ) |
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{ |
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iflush(); |
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} |
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if (stdout_buf_len + ret <= BUFSIZ) |
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{ |
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memcpy(stdout_buf + stdout_buf_len, buf, (size_t)ret); |
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stdout_buf_len += ret; |
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} |
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else |
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{ |
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errno = EAGAIN; |
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ret = (BUFSIZ - stdout_buf_len - ret); |
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log_error("Output buffer is full, additional %d is required\n", ret); |
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} |
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} |
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return ret; |
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} |
} |
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int iflush() |
int outc(char c) |
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{ |
{ |
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int retval; |
int ret; |
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retval = fflush(stdout); |
if (stdout_buf_len + 1 > BUFSIZ) |
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{ |
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iflush(); |
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} |
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return retval; |
if (stdout_buf_len + 1 <= BUFSIZ) |
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{ |
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stdout_buf[stdout_buf_len] = c; |
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stdout_buf_len++; |
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} |
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else |
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{ |
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errno = EAGAIN; |
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ret = -1; |
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} |
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return ret; |
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} |
} |
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int igetch() |
int iflush(void) |
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{ |
{ |
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static char buf[256]; |
int flags; |
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unsigned char c, tmp[256]; |
struct epoll_event ev, events[MAX_EVENTS]; |
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int out = KEY_NULL, loop = 1, in_esc = 0, in_ascii = 0, in_control = 0, i = 0, j, result; |
int nfds, epollfd; |
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static int len = 0, pos = 0; |
int retry; |
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fd_set testfds; |
int ret = 0; |
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struct timeval timeout; |
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epollfd = epoll_create1(0); |
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if (epollfd < 0) |
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{ |
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log_error("epoll_create1() error (%d)\n", errno); |
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return -1; |
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} |
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ev.events = EPOLLOUT; |
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ev.data.fd = STDOUT_FILENO; |
| 120 |
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if (epoll_ctl(epollfd, EPOLL_CTL_ADD, STDOUT_FILENO, &ev) == -1) |
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{ |
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log_error("epoll_ctl(STDOUT_FILENO) error (%d)\n", errno); |
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if (close(epollfd) < 0) |
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{ |
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log_error("close(epoll) error (%d)\n"); |
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} |
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return -1; |
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} |
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// Set STDOUT as non-blocking |
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flags = fcntl(STDOUT_FILENO, F_GETFL, 0); |
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fcntl(STDOUT_FILENO, F_SETFL, flags | O_NONBLOCK); |
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// Retry wait / flush for at most 3 times |
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retry = 3; |
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while (retry > 0 && !SYS_server_exit) |
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{ |
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retry--; |
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nfds = epoll_wait(epollfd, events, MAX_EVENTS, 100); // 0.1 second |
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if (nfds < 0) |
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{ |
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if (errno != EINTR) |
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{ |
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log_error("epoll_wait() error (%d)\n", errno); |
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break; |
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} |
| 149 |
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continue; |
| 150 |
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} |
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else if (nfds == 0) // timeout |
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{ |
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continue; |
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} |
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for (int i = 0; i < nfds; i++) |
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{ |
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if (events[i].data.fd == STDOUT_FILENO) |
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{ |
| 160 |
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if (stdout_buf_offset < stdout_buf_len) |
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{ |
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ret = io_buf_conv(stdout_cd, stdout_buf, &stdout_buf_len, &stdout_buf_offset, stdout_conv, sizeof(stdout_conv), &stdout_conv_len); |
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if (ret < 0) |
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{ |
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log_error("io_buf_conv(stdout, %d, %d, %d) error\n", stdout_buf_len, stdout_buf_offset, stdout_conv_len); |
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stdout_buf_len = stdout_buf_offset; // Discard invalid sequence |
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} |
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} |
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while (stdout_conv_offset < stdout_conv_len && !SYS_server_exit) // write until complete or error |
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{ |
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if (SSH_v2) |
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{ |
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ret = ssh_channel_write(SSH_channel, stdout_conv + stdout_conv_offset, (uint32_t)(stdout_conv_len - stdout_conv_offset)); |
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if (ret == SSH_ERROR) |
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{ |
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log_error("ssh_channel_write() error: %s\n", ssh_get_error(SSH_session)); |
| 178 |
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retry = 0; |
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break; |
| 180 |
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} |
| 181 |
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} |
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else |
| 183 |
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{ |
| 184 |
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ret = (int)write(STDOUT_FILENO, stdout_conv + stdout_conv_offset, (size_t)(stdout_conv_len - stdout_conv_offset)); |
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} |
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if (ret < 0) |
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{ |
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if (errno == EAGAIN || errno == EWOULDBLOCK) |
| 189 |
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{ |
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break; |
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} |
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else if (errno == EINTR) |
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{ |
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continue; |
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} |
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else |
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{ |
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#ifdef _DEBUG |
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log_error("write(STDOUT) error (%d)\n", errno); |
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#endif |
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retry = 0; |
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break; |
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} |
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} |
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else if (ret == 0) // broken pipe |
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{ |
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retry = 0; |
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break; |
| 209 |
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} |
| 210 |
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else |
| 211 |
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{ |
| 212 |
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stdout_conv_offset += ret; |
| 213 |
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if (stdout_conv_offset >= stdout_conv_len) // flush buffer completely |
| 214 |
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{ |
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ret = 0; |
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stdout_conv_offset = 0; |
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stdout_conv_len = 0; |
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retry = 0; |
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break; |
| 220 |
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} |
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continue; |
| 222 |
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} |
| 223 |
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} |
| 224 |
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} |
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} |
| 226 |
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} |
| 227 |
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// Stop on system exit |
// Restore STDOUT flags |
| 229 |
if (SYS_exit) |
fcntl(STDOUT_FILENO, F_SETFL, flags); |
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return KEY_NULL; |
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if (pos >= len) |
if (close(epollfd) < 0) |
| 232 |
{ |
{ |
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pos = 0; |
log_error("close(epoll) error (%d)\n"); |
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len = 0; |
} |
| 235 |
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FD_ZERO(&testfds); |
return ret; |
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FD_SET(0, &testfds); |
} |
| 238 |
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| 239 |
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int igetch(int timeout) |
| 240 |
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{ |
| 241 |
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static int stdin_read_wait = 0; |
| 242 |
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| 243 |
timeout.tv_sec = 1; |
struct epoll_event ev, events[MAX_EVENTS]; |
| 244 |
timeout.tv_usec = 0; |
int nfds, epollfd; |
| 245 |
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int ret; |
| 246 |
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int loop; |
| 247 |
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| 248 |
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unsigned char tmp[LINE_BUFFER_LEN]; |
| 249 |
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int out = KEY_NULL; |
| 250 |
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int in_esc = 0; |
| 251 |
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int in_ascii = 0; |
| 252 |
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int in_control = 0; |
| 253 |
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int i = 0; |
| 254 |
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int flags; |
| 255 |
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| 256 |
result = SignalSafeSelect(FD_SETSIZE, &testfds, (fd_set *)NULL, |
if (stdin_conv_offset >= stdin_conv_len) |
| 257 |
(fd_set *)NULL, &timeout); |
{ |
| 258 |
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stdin_conv_len = 0; |
| 259 |
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stdin_conv_offset = 0; |
| 260 |
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| 261 |
if (result == 0) |
epollfd = epoll_create1(0); |
| 262 |
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if (epollfd < 0) |
| 263 |
{ |
{ |
| 264 |
return KEY_TIMEOUT; |
log_error("epoll_create1() error (%d)\n", errno); |
| 265 |
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return -1; |
| 266 |
} |
} |
| 267 |
if (result < 0) |
|
| 268 |
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ev.events = EPOLLIN; |
| 269 |
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ev.data.fd = STDIN_FILENO; |
| 270 |
|
if (epoll_ctl(epollfd, EPOLL_CTL_ADD, STDIN_FILENO, &ev) == -1) |
| 271 |
{ |
{ |
| 272 |
log_error("select() error (%d) !\n", result); |
log_error("epoll_ctl(STDIN_FILENO) error (%d)\n", errno); |
| 273 |
return KEY_NULL; |
|
| 274 |
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if (close(epollfd) < 0) |
| 275 |
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{ |
| 276 |
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log_error("close(epoll) error (%d)\n"); |
| 277 |
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} |
| 278 |
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return -1; |
| 279 |
} |
} |
| 280 |
if (result > 0) |
|
| 281 |
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flags = fcntl(STDIN_FILENO, F_GETFL, 0); |
| 282 |
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fcntl(STDIN_FILENO, F_SETFL, flags | O_NONBLOCK); |
| 283 |
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| 284 |
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for (loop = 1; loop && stdin_buf_len < sizeof(stdin_buf) && stdin_conv_offset >= stdin_conv_len && !SYS_server_exit;) |
| 285 |
{ |
{ |
| 286 |
if (FD_ISSET(0, &testfds)) |
if (SSH_v2 && ssh_channel_is_closed(SSH_channel)) |
| 287 |
{ |
{ |
| 288 |
len = read(0, buf, 255); |
log_error("SSH channel is closed\n"); |
| 289 |
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loop = 0; |
| 290 |
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break; |
| 291 |
} |
} |
| 292 |
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|
| 293 |
|
if (!stdin_read_wait) |
| 294 |
|
{ |
| 295 |
|
nfds = epoll_wait(epollfd, events, MAX_EVENTS, timeout); |
| 296 |
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|
| 297 |
|
if (nfds < 0) |
| 298 |
|
{ |
| 299 |
|
if (errno != EINTR) |
| 300 |
|
{ |
| 301 |
|
log_error("epoll_wait() error (%d)\n", errno); |
| 302 |
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break; |
| 303 |
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} |
| 304 |
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continue; |
| 305 |
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} |
| 306 |
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else if (nfds == 0) // timeout |
| 307 |
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{ |
| 308 |
|
out = KEY_TIMEOUT; |
| 309 |
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break; |
| 310 |
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} |
| 311 |
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|
| 312 |
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for (int i = 0; i < nfds; i++) |
| 313 |
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{ |
| 314 |
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if (events[i].data.fd == STDIN_FILENO) |
| 315 |
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{ |
| 316 |
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stdin_read_wait = 1; |
| 317 |
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} |
| 318 |
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} |
| 319 |
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} |
| 320 |
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|
| 321 |
|
if (stdin_read_wait) |
| 322 |
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{ |
| 323 |
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while (stdin_buf_len < sizeof(stdin_buf) && !SYS_server_exit) // read until complete or error |
| 324 |
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{ |
| 325 |
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if (SSH_v2) |
| 326 |
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{ |
| 327 |
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ret = ssh_channel_read_nonblocking(SSH_channel, stdin_buf + stdin_buf_len, sizeof(stdin_buf) - (uint32_t)stdin_buf_len, 0); |
| 328 |
|
if (ret == SSH_ERROR) |
| 329 |
|
{ |
| 330 |
|
log_error("ssh_channel_read_nonblocking() error: %s\n", ssh_get_error(SSH_session)); |
| 331 |
|
loop = 0; |
| 332 |
|
break; |
| 333 |
|
} |
| 334 |
|
else if (ret == SSH_EOF) |
| 335 |
|
{ |
| 336 |
|
stdin_read_wait = 0; |
| 337 |
|
loop = 0; |
| 338 |
|
break; |
| 339 |
|
} |
| 340 |
|
else if (ret == 0) |
| 341 |
|
{ |
| 342 |
|
out = 0; |
| 343 |
|
stdin_read_wait = 0; |
| 344 |
|
loop = 0; |
| 345 |
|
break; |
| 346 |
|
} |
| 347 |
|
} |
| 348 |
|
else |
| 349 |
|
{ |
| 350 |
|
ret = (int)read(STDIN_FILENO, stdin_buf + stdin_buf_len, sizeof(stdin_buf) - (size_t)stdin_buf_len); |
| 351 |
|
} |
| 352 |
|
if (ret < 0) |
| 353 |
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{ |
| 354 |
|
if (errno == EAGAIN || errno == EWOULDBLOCK) |
| 355 |
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{ |
| 356 |
|
out = 0; |
| 357 |
|
stdin_read_wait = 0; |
| 358 |
|
loop = 0; |
| 359 |
|
break; |
| 360 |
|
} |
| 361 |
|
else if (errno == EINTR) |
| 362 |
|
{ |
| 363 |
|
continue; |
| 364 |
|
} |
| 365 |
|
else |
| 366 |
|
{ |
| 367 |
|
#ifdef _DEBUG |
| 368 |
|
log_error("read(STDIN) error (%d)\n", errno); |
| 369 |
|
#endif |
| 370 |
|
loop = 0; |
| 371 |
|
break; |
| 372 |
|
} |
| 373 |
|
} |
| 374 |
|
else if (ret == 0) // broken pipe |
| 375 |
|
{ |
| 376 |
|
stdin_read_wait = 0; |
| 377 |
|
loop = 0; |
| 378 |
|
break; |
| 379 |
|
} |
| 380 |
|
else |
| 381 |
|
{ |
| 382 |
|
stdin_buf_len += ret; |
| 383 |
|
continue; |
| 384 |
|
} |
| 385 |
|
} |
| 386 |
|
} |
| 387 |
|
|
| 388 |
|
// For debug |
| 389 |
|
#ifdef _DEBUG |
| 390 |
|
for (int j = stdin_buf_offset; j < stdin_buf_len; j++) |
| 391 |
|
{ |
| 392 |
|
log_error("Debug input: <--[%u]\n", (stdin_buf[j] + 256) % 256); |
| 393 |
|
} |
| 394 |
|
#endif |
| 395 |
|
} |
| 396 |
|
|
| 397 |
|
fcntl(STDIN_FILENO, F_SETFL, flags); |
| 398 |
|
|
| 399 |
|
if (close(epollfd) < 0) |
| 400 |
|
{ |
| 401 |
|
log_error("close(epoll) error (%d)\n"); |
| 402 |
} |
} |
| 403 |
|
|
| 404 |
// For debug |
if (stdin_buf_offset < stdin_buf_len) |
| 405 |
// for (j = 0; j < len; j++) |
{ |
| 406 |
// log_std ("<--[%u]\n", (buf[j] + 256) % 256); |
ret = io_buf_conv(stdin_cd, stdin_buf, &stdin_buf_len, &stdin_buf_offset, stdin_conv, sizeof(stdin_conv), &stdin_conv_len); |
| 407 |
|
if (ret < 0) |
| 408 |
|
{ |
| 409 |
|
log_error("io_buf_conv(stdin, %d, %d, %d) error\n", stdin_buf_len, stdin_buf_offset, stdin_conv_len); |
| 410 |
|
stdin_buf_len = stdin_buf_offset; // Discard invalid sequence |
| 411 |
|
} |
| 412 |
|
|
| 413 |
|
// For debug |
| 414 |
|
#ifdef _DEBUG |
| 415 |
|
for (int j = stdin_conv_offset; j < stdin_conv_len; j++) |
| 416 |
|
{ |
| 417 |
|
log_error("Debug input_conv: <--[%u]\n", (stdin_conv[j] + 256) % 256); |
| 418 |
|
} |
| 419 |
|
#endif |
| 420 |
|
} |
| 421 |
} |
} |
| 422 |
|
|
| 423 |
while (pos < len) |
while (stdin_conv_offset < stdin_conv_len) |
| 424 |
{ |
{ |
| 425 |
c = buf[pos++]; |
unsigned char c = (unsigned char)stdin_conv[stdin_conv_offset++]; |
| 426 |
|
|
| 427 |
if (c == '\0') |
// Convert \r\n to \r |
| 428 |
|
if (c == CR && stdin_conv_offset < stdin_conv_len && stdin_conv[stdin_conv_offset] == LF) |
| 429 |
{ |
{ |
| 430 |
out = c; |
stdin_conv_offset++; |
| 431 |
break; |
} |
| 432 |
|
|
| 433 |
|
// Convert single \n to \r |
| 434 |
|
if (c == LF) |
| 435 |
|
{ |
| 436 |
|
c = CR; |
| 437 |
} |
} |
| 438 |
|
|
| 439 |
if (c == KEY_CONTROL) |
if (c == KEY_CONTROL) |
| 458 |
continue; |
continue; |
| 459 |
} |
} |
| 460 |
|
|
| 461 |
if (c == ESC_KEY) |
if (c == KEY_ESC) |
| 462 |
{ |
{ |
| 463 |
if (in_esc == 0) |
if (in_esc == 0) |
| 464 |
{ |
{ |
| 469 |
} |
} |
| 470 |
else |
else |
| 471 |
{ |
{ |
| 472 |
out = ESC_KEY; |
out = KEY_CSI; |
| 473 |
in_esc = 0; |
in_esc = 0; |
| 474 |
break; |
break; |
| 475 |
} |
} |
| 480 |
if (in_ascii) |
if (in_ascii) |
| 481 |
{ |
{ |
| 482 |
tmp[i++] = c; |
tmp[i++] = c; |
| 483 |
if (c == 'm') |
if (i == 2 && (tmp[0] == 79 || tmp[0] == 91)) |
|
{ |
|
|
in_ascii = 0; |
|
|
continue; |
|
|
} |
|
|
if (i == 2 && c >= 'A' && c <= 'D') |
|
| 484 |
{ |
{ |
| 485 |
in_ascii = 0; |
in_ascii = 0; |
| 486 |
switch (c) |
switch (tmp[1]) |
| 487 |
{ |
{ |
| 488 |
case 'A': |
case 65: |
| 489 |
out = KEY_UP; |
out = KEY_UP; |
| 490 |
break; |
break; |
| 491 |
case 'B': |
case 66: |
| 492 |
out = KEY_DOWN; |
out = KEY_DOWN; |
| 493 |
break; |
break; |
| 494 |
case 'C': |
case 67: |
| 495 |
out = KEY_RIGHT; |
out = KEY_RIGHT; |
| 496 |
break; |
break; |
| 497 |
case 'D': |
case 68: |
| 498 |
out = KEY_LEFT; |
out = KEY_LEFT; |
| 499 |
break; |
break; |
| 500 |
|
default: |
| 501 |
|
in_ascii = 1; |
| 502 |
|
} |
| 503 |
|
if (!in_ascii) |
| 504 |
|
{ |
| 505 |
|
break; |
| 506 |
|
} |
| 507 |
|
} |
| 508 |
|
if (i == 2 && tmp[0] == 91) // Fterm |
| 509 |
|
{ |
| 510 |
|
in_ascii = 0; |
| 511 |
|
switch (tmp[1]) |
| 512 |
|
{ |
| 513 |
|
case 86: |
| 514 |
|
out = KEY_SHIFT_F1; |
| 515 |
|
break; |
| 516 |
|
case 90: |
| 517 |
|
out = KEY_SHIFT_F2; |
| 518 |
|
break; |
| 519 |
|
case 97: |
| 520 |
|
out = KEY_SHIFT_F3; |
| 521 |
|
break; |
| 522 |
|
case 98: |
| 523 |
|
out = KEY_SHIFT_F4; |
| 524 |
|
break; |
| 525 |
|
case 99: |
| 526 |
|
out = KEY_SHIFT_F5; |
| 527 |
|
break; |
| 528 |
|
case 100: |
| 529 |
|
out = KEY_SHIFT_F6; |
| 530 |
|
break; |
| 531 |
|
case 101: |
| 532 |
|
out = KEY_SHIFT_F7; |
| 533 |
|
break; |
| 534 |
|
case 102: |
| 535 |
|
out = KEY_SHIFT_F8; |
| 536 |
|
break; |
| 537 |
|
case 103: |
| 538 |
|
out = KEY_SHIFT_F9; |
| 539 |
|
break; |
| 540 |
|
case 104: |
| 541 |
|
out = KEY_SHIFT_F10; |
| 542 |
|
break; |
| 543 |
|
case 107: |
| 544 |
|
out = KEY_CTRL_F1; |
| 545 |
|
break; |
| 546 |
|
case 108: |
| 547 |
|
out = KEY_CTRL_F2; |
| 548 |
|
break; |
| 549 |
|
case 109: |
| 550 |
|
out = KEY_CTRL_F3; |
| 551 |
|
break; |
| 552 |
|
case 112: |
| 553 |
|
out = KEY_CTRL_F6; |
| 554 |
|
break; |
| 555 |
|
case 113: |
| 556 |
|
out = KEY_CTRL_F7; |
| 557 |
|
break; |
| 558 |
|
case 114: |
| 559 |
|
out = KEY_CTRL_F8; |
| 560 |
|
break; |
| 561 |
|
case 115: |
| 562 |
|
out = KEY_CTRL_F9; |
| 563 |
|
break; |
| 564 |
|
case 116: |
| 565 |
|
out = KEY_CTRL_F10; |
| 566 |
|
break; |
| 567 |
|
default: |
| 568 |
|
in_ascii = 1; |
| 569 |
|
} |
| 570 |
|
if (!in_ascii) |
| 571 |
|
{ |
| 572 |
|
break; |
| 573 |
|
} |
| 574 |
|
} |
| 575 |
|
if (i == 2 && tmp[0] == 79) // Xterm |
| 576 |
|
{ |
| 577 |
|
in_ascii = 0; |
| 578 |
|
switch (tmp[1]) |
| 579 |
|
{ |
| 580 |
|
case 80: |
| 581 |
|
out = KEY_F1; |
| 582 |
|
break; |
| 583 |
|
case 81: |
| 584 |
|
out = KEY_F2; |
| 585 |
|
break; |
| 586 |
|
case 82: |
| 587 |
|
out = KEY_F3; |
| 588 |
|
break; |
| 589 |
|
case 83: |
| 590 |
|
out = KEY_F4; |
| 591 |
|
break; |
| 592 |
|
default: |
| 593 |
|
in_ascii = 1; |
| 594 |
|
} |
| 595 |
|
if (!in_ascii) |
| 596 |
|
{ |
| 597 |
|
break; |
| 598 |
} |
} |
|
break; |
|
| 599 |
} |
} |
| 600 |
if (i == 3 && tmp[0] == 91 && tmp[2] == 126) |
if (i == 3 && tmp[0] == 91 && tmp[2] == 126) |
| 601 |
{ |
{ |
| 605 |
case 49: |
case 49: |
| 606 |
out = KEY_HOME; |
out = KEY_HOME; |
| 607 |
break; |
break; |
| 608 |
|
case 50: |
| 609 |
|
out = KEY_INS; |
| 610 |
|
break; |
| 611 |
case 51: |
case 51: |
| 612 |
out = KEY_DEL; |
out = KEY_DEL; |
| 613 |
break; |
break; |
| 620 |
case 54: |
case 54: |
| 621 |
out = KEY_PGDN; |
out = KEY_PGDN; |
| 622 |
break; |
break; |
| 623 |
|
default: |
| 624 |
|
in_ascii = 1; |
| 625 |
|
} |
| 626 |
|
if (!in_ascii) |
| 627 |
|
{ |
| 628 |
|
break; |
| 629 |
} |
} |
| 630 |
break; |
} |
| 631 |
|
if (i == 4 && tmp[0] == 91 && tmp[1] == 49 && tmp[3] == 126) // Fterm |
| 632 |
|
{ |
| 633 |
|
in_ascii = 0; |
| 634 |
|
switch (tmp[2]) |
| 635 |
|
{ |
| 636 |
|
case 49: |
| 637 |
|
out = KEY_F1; |
| 638 |
|
break; |
| 639 |
|
case 50: |
| 640 |
|
out = KEY_F2; |
| 641 |
|
break; |
| 642 |
|
case 51: |
| 643 |
|
out = KEY_F3; |
| 644 |
|
break; |
| 645 |
|
case 52: |
| 646 |
|
out = KEY_F4; |
| 647 |
|
break; |
| 648 |
|
case 53: |
| 649 |
|
out = KEY_F5; |
| 650 |
|
break; |
| 651 |
|
case 55: |
| 652 |
|
out = KEY_F6; |
| 653 |
|
break; |
| 654 |
|
case 56: |
| 655 |
|
out = KEY_F7; |
| 656 |
|
break; |
| 657 |
|
case 57: |
| 658 |
|
out = KEY_F8; |
| 659 |
|
break; |
| 660 |
|
default: |
| 661 |
|
in_ascii = 1; |
| 662 |
|
} |
| 663 |
|
if (!in_ascii) |
| 664 |
|
{ |
| 665 |
|
break; |
| 666 |
|
} |
| 667 |
|
} |
| 668 |
|
if (i == 4 && tmp[0] == 91 && tmp[1] == 50 && tmp[3] == 126) // Fterm |
| 669 |
|
{ |
| 670 |
|
in_ascii = 0; |
| 671 |
|
switch (tmp[2]) |
| 672 |
|
{ |
| 673 |
|
case 48: |
| 674 |
|
out = KEY_F9; |
| 675 |
|
break; |
| 676 |
|
case 49: |
| 677 |
|
out = KEY_F10; |
| 678 |
|
break; |
| 679 |
|
case 50: |
| 680 |
|
out = KEY_F11; // Fterm |
| 681 |
|
break; |
| 682 |
|
case 51: |
| 683 |
|
out = KEY_F11; // Xterm |
| 684 |
|
break; |
| 685 |
|
case 52: |
| 686 |
|
out = KEY_F12; // Xterm |
| 687 |
|
break; |
| 688 |
|
default: |
| 689 |
|
in_ascii = 1; |
| 690 |
|
} |
| 691 |
|
if (!in_ascii) |
| 692 |
|
{ |
| 693 |
|
break; |
| 694 |
|
} |
| 695 |
|
} |
| 696 |
|
if (i == 5 && tmp[0] == 91 && tmp[1] == 49 && tmp[2] == 59 && tmp[3] == 53) // Xterm |
| 697 |
|
{ |
| 698 |
|
in_ascii = 0; |
| 699 |
|
switch (tmp[4]) |
| 700 |
|
{ |
| 701 |
|
case 65: |
| 702 |
|
out = KEY_CTRL_UP; |
| 703 |
|
break; |
| 704 |
|
case 66: |
| 705 |
|
out = KEY_CTRL_DOWN; |
| 706 |
|
break; |
| 707 |
|
case 67: |
| 708 |
|
out = KEY_CTRL_RIGHT; |
| 709 |
|
break; |
| 710 |
|
case 68: |
| 711 |
|
out = KEY_CTRL_LEFT; |
| 712 |
|
break; |
| 713 |
|
case 70: |
| 714 |
|
out = KEY_CTRL_END; |
| 715 |
|
break; |
| 716 |
|
case 72: |
| 717 |
|
out = KEY_CTRL_HOME; |
| 718 |
|
break; |
| 719 |
|
case 80: |
| 720 |
|
out = KEY_CTRL_F1; |
| 721 |
|
break; |
| 722 |
|
case 81: |
| 723 |
|
out = KEY_CTRL_F2; |
| 724 |
|
break; |
| 725 |
|
case 82: |
| 726 |
|
out = KEY_CTRL_F3; |
| 727 |
|
break; |
| 728 |
|
default: |
| 729 |
|
in_ascii = 1; |
| 730 |
|
} |
| 731 |
|
if (!in_ascii) |
| 732 |
|
{ |
| 733 |
|
break; |
| 734 |
|
} |
| 735 |
|
} |
| 736 |
|
if (i == 6 && tmp[0] == 91 && tmp[1] == 49 && tmp[3] == 59 && tmp[4] == 53 && tmp[5] == 126) // Xterm |
| 737 |
|
{ |
| 738 |
|
in_ascii = 0; |
| 739 |
|
switch (tmp[2]) |
| 740 |
|
{ |
| 741 |
|
case 53: |
| 742 |
|
out = KEY_CTRL_F5; |
| 743 |
|
break; |
| 744 |
|
case 55: |
| 745 |
|
out = KEY_CTRL_F6; |
| 746 |
|
break; |
| 747 |
|
case 56: |
| 748 |
|
out = KEY_CTRL_F7; |
| 749 |
|
break; |
| 750 |
|
case 57: |
| 751 |
|
out = KEY_CTRL_F8; |
| 752 |
|
break; |
| 753 |
|
default: |
| 754 |
|
in_ascii = 1; |
| 755 |
|
} |
| 756 |
|
if (!in_ascii) |
| 757 |
|
{ |
| 758 |
|
break; |
| 759 |
|
} |
| 760 |
|
} |
| 761 |
|
if (i == 6 && tmp[0] == 91 && tmp[1] == 50 && tmp[3] == 59 && tmp[4] == 53 && tmp[5] == 126) // Xterm |
| 762 |
|
{ |
| 763 |
|
in_ascii = 0; |
| 764 |
|
switch (tmp[2]) |
| 765 |
|
{ |
| 766 |
|
case 48: |
| 767 |
|
out = KEY_CTRL_F9; |
| 768 |
|
break; |
| 769 |
|
case 49: |
| 770 |
|
out = KEY_CTRL_F10; |
| 771 |
|
break; |
| 772 |
|
case 51: |
| 773 |
|
out = KEY_CTRL_F11; |
| 774 |
|
break; |
| 775 |
|
case 52: |
| 776 |
|
out = KEY_CTRL_F12; |
| 777 |
|
break; |
| 778 |
|
default: |
| 779 |
|
in_ascii = 1; |
| 780 |
|
} |
| 781 |
|
if (!in_ascii) |
| 782 |
|
{ |
| 783 |
|
break; |
| 784 |
|
} |
| 785 |
|
} |
| 786 |
|
if (i == 5 && tmp[0] == 91 && tmp[1] == 49 && tmp[2] == 59 && tmp[3] == 50) // Xterm |
| 787 |
|
{ |
| 788 |
|
in_ascii = 0; |
| 789 |
|
switch (tmp[4]) |
| 790 |
|
{ |
| 791 |
|
case 80: |
| 792 |
|
out = KEY_SHIFT_F1; |
| 793 |
|
break; |
| 794 |
|
case 81: |
| 795 |
|
out = KEY_SHIFT_F2; |
| 796 |
|
break; |
| 797 |
|
case 82: |
| 798 |
|
out = KEY_SHIFT_F3; |
| 799 |
|
break; |
| 800 |
|
case 83: |
| 801 |
|
out = KEY_SHIFT_F4; |
| 802 |
|
break; |
| 803 |
|
default: |
| 804 |
|
in_ascii = 1; |
| 805 |
|
} |
| 806 |
|
if (!in_ascii) |
| 807 |
|
{ |
| 808 |
|
break; |
| 809 |
|
} |
| 810 |
|
} |
| 811 |
|
if (i == 6 && tmp[0] == 91 && tmp[1] == 49 && tmp[3] == 59 && tmp[4] == 50 && tmp[5] == 126) // Xterm |
| 812 |
|
{ |
| 813 |
|
in_ascii = 0; |
| 814 |
|
switch (tmp[2]) |
| 815 |
|
{ |
| 816 |
|
case 53: |
| 817 |
|
out = KEY_SHIFT_F5; |
| 818 |
|
break; |
| 819 |
|
case 55: |
| 820 |
|
out = KEY_SHIFT_F6; |
| 821 |
|
break; |
| 822 |
|
case 56: |
| 823 |
|
out = KEY_SHIFT_F7; |
| 824 |
|
break; |
| 825 |
|
case 57: |
| 826 |
|
out = KEY_SHIFT_F8; |
| 827 |
|
break; |
| 828 |
|
default: |
| 829 |
|
in_ascii = 1; |
| 830 |
|
} |
| 831 |
|
if (!in_ascii) |
| 832 |
|
{ |
| 833 |
|
break; |
| 834 |
|
} |
| 835 |
|
} |
| 836 |
|
if (i == 6 && tmp[0] == 91 && tmp[1] == 50 && tmp[3] == 59 && tmp[4] == 50 && tmp[5] == 126) // Xterm |
| 837 |
|
{ |
| 838 |
|
in_ascii = 0; |
| 839 |
|
switch (tmp[2]) |
| 840 |
|
{ |
| 841 |
|
case 48: |
| 842 |
|
out = KEY_SHIFT_F9; |
| 843 |
|
break; |
| 844 |
|
case 49: |
| 845 |
|
out = KEY_SHIFT_F10; |
| 846 |
|
break; |
| 847 |
|
case 51: |
| 848 |
|
out = KEY_SHIFT_F11; |
| 849 |
|
break; |
| 850 |
|
case 52: |
| 851 |
|
out = KEY_SHIFT_F12; |
| 852 |
|
break; |
| 853 |
|
default: |
| 854 |
|
in_ascii = 1; |
| 855 |
|
} |
| 856 |
|
if (!in_ascii) |
| 857 |
|
{ |
| 858 |
|
break; |
| 859 |
|
} |
| 860 |
|
} |
| 861 |
|
|
| 862 |
|
if (c == 'm') |
| 863 |
|
{ |
| 864 |
|
in_ascii = 0; |
| 865 |
} |
} |
| 866 |
continue; |
continue; |
| 867 |
} |
} |
| 870 |
break; |
break; |
| 871 |
} |
} |
| 872 |
|
|
| 873 |
|
// For ESC key |
| 874 |
|
if (out == 0 && in_esc) |
| 875 |
|
{ |
| 876 |
|
out = KEY_ESC; |
| 877 |
|
} |
| 878 |
|
|
| 879 |
// for debug |
// for debug |
| 880 |
// log_std ("-->[%u]\n", out); |
#ifdef _DEBUG |
| 881 |
|
if (out != KEY_TIMEOUT && out != KEY_NULL) |
| 882 |
|
{ |
| 883 |
|
log_error("Debug: -->[0x %x]\n", out); |
| 884 |
|
} |
| 885 |
|
#endif |
| 886 |
|
|
| 887 |
return out; |
return out; |
| 888 |
} |
} |
| 889 |
|
|
| 890 |
int igetch_t(long int sec) |
int igetch_t(int sec) |
| 891 |
{ |
{ |
| 892 |
int ch; |
int ch; |
| 893 |
time_t t_begin = time(0); |
time_t t_begin = time(NULL); |
| 894 |
|
|
| 895 |
do |
do |
| 896 |
{ |
{ |
| 897 |
ch = igetch(); |
ch = igetch(100); |
| 898 |
} while ((ch == KEY_TIMEOUT || ch == 0xa) && (time(0) - t_begin < sec)); |
} while (!SYS_server_exit && ch == KEY_TIMEOUT && (time(NULL) - t_begin < sec)); |
| 899 |
|
|
| 900 |
return ch; |
return ch; |
| 901 |
} |
} |
| 902 |
|
|
| 903 |
int ikbhit() |
void igetch_reset() |
| 904 |
{ |
{ |
| 905 |
int len; |
int ch; |
| 906 |
|
do |
| 907 |
|
{ |
| 908 |
|
ch = igetch(100); |
| 909 |
|
} while (ch != KEY_NULL && ch != KEY_TIMEOUT); |
| 910 |
|
} |
| 911 |
|
|
| 912 |
|
int io_buf_conv(iconv_t cd, char *p_buf, int *p_buf_len, int *p_buf_offset, char *p_conv, size_t conv_size, int *p_conv_len) |
| 913 |
|
{ |
| 914 |
|
char *in_buf; |
| 915 |
|
char *out_buf; |
| 916 |
|
size_t in_bytes; |
| 917 |
|
size_t out_bytes; |
| 918 |
|
int ret; |
| 919 |
|
int in_control = 0; |
| 920 |
|
size_t i = 0; |
| 921 |
|
|
| 922 |
ioctl(0, FIONREAD, &len); |
if (cd == NULL || p_buf == NULL || p_buf_len == NULL || p_buf_offset == NULL || p_conv == NULL || p_conv_len == NULL) |
| 923 |
|
{ |
| 924 |
|
log_error("NULL pointer error\n"); |
| 925 |
|
return -1; |
| 926 |
|
} |
| 927 |
|
|
| 928 |
|
in_buf = p_buf + *p_buf_offset; |
| 929 |
|
in_bytes = (size_t)(*p_buf_len - *p_buf_offset); |
| 930 |
|
out_buf = p_conv + *p_conv_len; |
| 931 |
|
out_bytes = conv_size - (size_t)(*p_conv_len); |
| 932 |
|
|
| 933 |
|
while (in_bytes > 0) |
| 934 |
|
{ |
| 935 |
|
if ((unsigned char)(*in_buf) == KEY_CONTROL) |
| 936 |
|
{ |
| 937 |
|
if (in_control == 0) |
| 938 |
|
{ |
| 939 |
|
in_control = 1; |
| 940 |
|
i = 0; |
| 941 |
|
} |
| 942 |
|
} |
| 943 |
|
|
| 944 |
|
if (in_control) |
| 945 |
|
{ |
| 946 |
|
if (out_bytes <= 0) |
| 947 |
|
{ |
| 948 |
|
log_error("No enough free space in p_conv, conv_len=%d, conv_size=%d\n", *p_conv_len, conv_size); |
| 949 |
|
return -2; |
| 950 |
|
} |
| 951 |
|
|
| 952 |
|
*out_buf = *in_buf; |
| 953 |
|
in_buf++; |
| 954 |
|
out_buf++; |
| 955 |
|
in_bytes--; |
| 956 |
|
out_bytes--; |
| 957 |
|
|
| 958 |
|
(*p_buf_offset)++; |
| 959 |
|
*p_conv_len = (int)(conv_size - out_bytes); |
| 960 |
|
|
| 961 |
|
i++; |
| 962 |
|
if (i >= 2) |
| 963 |
|
{ |
| 964 |
|
in_control = 0; |
| 965 |
|
} |
| 966 |
|
continue; |
| 967 |
|
} |
| 968 |
|
|
| 969 |
|
ret = (int)iconv(cd, &in_buf, &in_bytes, &out_buf, &out_bytes); |
| 970 |
|
if (ret == -1) |
| 971 |
|
{ |
| 972 |
|
if (errno == EINVAL) // Incomplete |
| 973 |
|
{ |
| 974 |
|
#ifdef _DEBUG |
| 975 |
|
log_error("iconv(inbytes=%d, outbytes=%d) error: EINVAL, in_buf[0]=%d\n", in_bytes, out_bytes, in_buf[0]); |
| 976 |
|
#endif |
| 977 |
|
if (p_buf != in_buf) |
| 978 |
|
{ |
| 979 |
|
*p_buf_len = (int)(p_buf + *p_buf_len - in_buf); |
| 980 |
|
*p_buf_offset = 0; |
| 981 |
|
*p_conv_len = (int)(conv_size - out_bytes); |
| 982 |
|
memmove(p_buf, in_buf, (size_t)(*p_buf_len)); |
| 983 |
|
} |
| 984 |
|
|
| 985 |
|
break; |
| 986 |
|
} |
| 987 |
|
else if (errno == E2BIG) |
| 988 |
|
{ |
| 989 |
|
log_error("iconv(inbytes=%d, outbytes=%d) error: E2BIG\n", in_bytes, out_bytes); |
| 990 |
|
return -1; |
| 991 |
|
} |
| 992 |
|
else if (errno == EILSEQ) |
| 993 |
|
{ |
| 994 |
|
if (in_bytes > out_bytes || out_bytes <= 0) |
| 995 |
|
{ |
| 996 |
|
log_error("iconv(inbytes=%d, outbytes=%d) error: EILSEQ and E2BIG\n", in_bytes, out_bytes); |
| 997 |
|
return -2; |
| 998 |
|
} |
| 999 |
|
|
| 1000 |
|
// reset in_bytes when "//IGNORE" is applied |
| 1001 |
|
if (in_bytes == 0) |
| 1002 |
|
{ |
| 1003 |
|
in_bytes = (size_t)(*p_buf_len - *p_buf_offset); |
| 1004 |
|
} |
| 1005 |
|
|
| 1006 |
|
*out_buf = *in_buf; |
| 1007 |
|
in_buf++; |
| 1008 |
|
out_buf++; |
| 1009 |
|
in_bytes--; |
| 1010 |
|
out_bytes--; |
| 1011 |
|
|
| 1012 |
|
continue; |
| 1013 |
|
} |
| 1014 |
|
} |
| 1015 |
|
else |
| 1016 |
|
{ |
| 1017 |
|
*p_buf_len = 0; |
| 1018 |
|
*p_buf_offset = 0; |
| 1019 |
|
*p_conv_len = (int)(conv_size - out_bytes); |
| 1020 |
|
|
| 1021 |
|
break; |
| 1022 |
|
} |
| 1023 |
|
} |
| 1024 |
|
|
| 1025 |
|
return 0; |
| 1026 |
|
} |
| 1027 |
|
|
| 1028 |
|
int io_conv_init(const char *charset) |
| 1029 |
|
{ |
| 1030 |
|
char tocode[CHARSET_MAX_LEN + 20]; |
| 1031 |
|
|
| 1032 |
|
if (charset == NULL) |
| 1033 |
|
{ |
| 1034 |
|
log_error("NULL pointer error\n"); |
| 1035 |
|
return -1; |
| 1036 |
|
} |
| 1037 |
|
|
| 1038 |
|
io_conv_cleanup(); |
| 1039 |
|
|
| 1040 |
|
strncpy(stdio_charset, charset, sizeof(stdio_charset) - 1); |
| 1041 |
|
stdio_charset[sizeof(stdio_charset) - 1] = '\0'; |
| 1042 |
|
|
| 1043 |
|
snprintf(tocode, sizeof(tocode), "%s%s", BBS_default_charset, |
| 1044 |
|
(strcasecmp(stdio_charset, BBS_default_charset) == 0 ? "" : "//IGNORE")); |
| 1045 |
|
stdin_cd = iconv_open(tocode, stdio_charset); |
| 1046 |
|
if (stdin_cd == (iconv_t)(-1)) |
| 1047 |
|
{ |
| 1048 |
|
log_error("iconv_open(%s->%s) error: %d\n", stdio_charset, tocode, errno); |
| 1049 |
|
return -2; |
| 1050 |
|
} |
| 1051 |
|
|
| 1052 |
|
snprintf(tocode, sizeof(tocode), "%s%s", stdio_charset, |
| 1053 |
|
(strcasecmp(BBS_default_charset, stdio_charset) == 0 ? "" : "//TRANSLIT")); |
| 1054 |
|
stdout_cd = iconv_open(tocode, BBS_default_charset); |
| 1055 |
|
if (stdout_cd == (iconv_t)(-1)) |
| 1056 |
|
{ |
| 1057 |
|
log_error("iconv_open(%s->%s) error: %d\n", BBS_default_charset, tocode, errno); |
| 1058 |
|
iconv_close(stdin_cd); |
| 1059 |
|
return -2; |
| 1060 |
|
} |
| 1061 |
|
|
| 1062 |
|
return 0; |
| 1063 |
|
} |
| 1064 |
|
|
| 1065 |
|
int io_conv_cleanup(void) |
| 1066 |
|
{ |
| 1067 |
|
if (stdin_cd != NULL) |
| 1068 |
|
{ |
| 1069 |
|
iconv_close(stdin_cd); |
| 1070 |
|
stdin_cd = NULL; |
| 1071 |
|
} |
| 1072 |
|
if (stdout_cd != NULL) |
| 1073 |
|
{ |
| 1074 |
|
iconv_close(stdout_cd); |
| 1075 |
|
stdout_cd = NULL; |
| 1076 |
|
} |
| 1077 |
|
|
| 1078 |
return len; |
return 0; |
| 1079 |
} |
} |
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