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-rw-r--r--common/ttyio.c508
1 files changed, 0 insertions, 508 deletions
diff --git a/common/ttyio.c b/common/ttyio.c
deleted file mode 100644
index fd748009e..000000000
--- a/common/ttyio.c
+++ /dev/null
@@ -1,508 +0,0 @@
-/* ttyio.c - tty i/O functions
- * Copyright (C) 1998,1999,2000,2001,2002,2003 Free Software Foundation, Inc.
- *
- * This file is part of GnuPG.
- *
- * GnuPG is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * GnuPG is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include <config.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#include <unistd.h>
-#ifdef HAVE_TCGETATTR
-#include <termios.h>
-#else
-#ifdef HAVE_TERMIO_H
-/* simulate termios with termio */
-#include <termio.h>
-#define termios termio
-#define tcsetattr ioctl
-#define TCSAFLUSH TCSETAF
-#define tcgetattr(A,B) ioctl(A,TCGETA,B)
-#define HAVE_TCGETATTR
-#endif
-#endif
-#ifdef __MINGW32__ /* use the odd Win32 functions */
-#include <windows.h>
-#ifdef HAVE_TCGETATTR
-#error mingw32 and termios
-#endif
-#endif
-#include <errno.h>
-#include <ctype.h>
-#include "util.h"
-#include "memory.h"
-#include "ttyio.h"
-
-#define CONTROL_D ('D' - 'A' + 1)
-
-#ifdef __MINGW32__ /* use the odd Win32 functions */
-static struct {
- HANDLE in, out;
-} con;
-#define DEF_INPMODE (ENABLE_LINE_INPUT|ENABLE_ECHO_INPUT \
- |ENABLE_PROCESSED_INPUT )
-#define HID_INPMODE (ENABLE_LINE_INPUT|ENABLE_PROCESSED_INPUT )
-#define DEF_OUTMODE (ENABLE_WRAP_AT_EOL_OUTPUT|ENABLE_PROCESSED_OUTPUT)
-
-#else /* yeah, we have a real OS */
-static FILE *ttyfp = NULL;
-#endif
-
-static int initialized;
-static int last_prompt_len;
-static int batchmode;
-static int no_terminal;
-
-#ifdef HAVE_TCGETATTR
- static struct termios termsave;
- static int restore_termios;
-#endif
-
-
-
-/* This is a wrapper around ttyname so that we can use it even when
- the standard streams are redirected. It figures the name out the
- first time and returns it in a statically allocated buffer. */
-const char *
-tty_get_ttyname (void)
-{
- static char *name;
-
- /* On a GNU system ctermid() always return /dev/tty, so this does
- not make much sense - however if it is ever changed we do the
- Right Thing now. */
-#ifdef HAVE_CTERMID
- static int got_name;
-
- if (!got_name)
- {
- const char *s;
- s = ctermid (NULL);
- if (s)
- name = strdup (s);
- got_name = 1;
- }
-#endif
- /* Assume the staandrd tty on memory error or when tehre is no
- certmid. */
- return name? name : "/dev/tty";
-}
-
-
-
-#ifdef HAVE_TCGETATTR
-static void
-cleanup(void)
-{
- if( restore_termios ) {
- restore_termios = 0; /* do it prios in case it is interrupted again */
- if( tcsetattr(fileno(ttyfp), TCSAFLUSH, &termsave) )
- log_error("tcsetattr() failed: %s\n", strerror(errno) );
- }
-}
-#endif
-
-static void
-init_ttyfp(void)
-{
- if( initialized )
- return;
-
-#if defined(__MINGW32__)
- {
- SECURITY_ATTRIBUTES sa;
-
- memset(&sa, 0, sizeof(sa));
- sa.nLength = sizeof(sa);
- sa.bInheritHandle = TRUE;
- con.out = CreateFileA( "CONOUT$", GENERIC_READ|GENERIC_WRITE,
- FILE_SHARE_READ|FILE_SHARE_WRITE,
- &sa, OPEN_EXISTING, 0, 0 );
- if( con.out == INVALID_HANDLE_VALUE )
- log_fatal("open(CONOUT$) failed: rc=%d", (int)GetLastError() );
- memset(&sa, 0, sizeof(sa));
- sa.nLength = sizeof(sa);
- sa.bInheritHandle = TRUE;
- con.in = CreateFileA( "CONIN$", GENERIC_READ|GENERIC_WRITE,
- FILE_SHARE_READ|FILE_SHARE_WRITE,
- &sa, OPEN_EXISTING, 0, 0 );
- if( con.in == INVALID_HANDLE_VALUE )
- log_fatal("open(CONIN$) failed: rc=%d", (int)GetLastError() );
- }
- SetConsoleMode(con.in, DEF_INPMODE );
- SetConsoleMode(con.out, DEF_OUTMODE );
-
-#elif defined(__EMX__)
- ttyfp = stdout; /* Fixme: replace by the real functions: see wklib */
-#else
- ttyfp = batchmode? stderr : fopen (tty_get_ttyname (), "r+");
- if( !ttyfp ) {
- log_error("cannot open `%s': %s\n", tty_get_ttyname (),
- strerror(errno) );
- exit(2);
- }
-#endif
-#ifdef HAVE_TCGETATTR
- atexit( cleanup );
-#endif
- initialized = 1;
-}
-
-
-int
-tty_batchmode( int onoff )
-{
- int old = batchmode;
- if( onoff != -1 )
- batchmode = onoff;
- return old;
-}
-
-int
-tty_no_terminal(int onoff)
-{
- int old = no_terminal;
- no_terminal = onoff ? 1 : 0;
- return old;
-}
-
-void
-tty_printf( const char *fmt, ... )
-{
- va_list arg_ptr;
-
- if (no_terminal)
- return;
-
- if( !initialized )
- init_ttyfp();
-
- va_start( arg_ptr, fmt ) ;
-#ifdef __MINGW32__
- {
- char *buf = NULL;
- int n;
- DWORD nwritten;
-
- n = vasprintf(&buf, fmt, arg_ptr);
- if( !buf )
- log_bug("vasprintf() failed\n");
-
- if( !WriteConsoleA( con.out, buf, n, &nwritten, NULL ) )
- log_fatal("WriteConsole failed: rc=%d", (int)GetLastError() );
- if( n != nwritten )
- log_fatal("WriteConsole failed: %d != %d\n", n, (int)nwritten );
- last_prompt_len += n;
- xfree (buf);
- }
-#else
- last_prompt_len += vfprintf(ttyfp,fmt,arg_ptr) ;
- fflush(ttyfp);
-#endif
- va_end(arg_ptr);
-}
-
-
-/****************
- * Print a string, but filter all control characters out.
- */
-void
-tty_print_string( byte *p, size_t n )
-{
- if (no_terminal)
- return;
-
- if( !initialized )
- init_ttyfp();
-
-#ifdef __MINGW32__
- /* not so effective, change it if you want */
- for( ; n; n--, p++ )
- if( iscntrl( *p ) ) {
- if( *p == '\n' )
- tty_printf("\\n");
- else if( !*p )
- tty_printf("\\0");
- else
- tty_printf("\\x%02x", *p);
- }
- else
- tty_printf("%c", *p);
-#else
- for( ; n; n--, p++ )
- if( iscntrl( *p ) ) {
- putc('\\', ttyfp);
- if( *p == '\n' )
- putc('n', ttyfp);
- else if( !*p )
- putc('0', ttyfp);
- else
- fprintf(ttyfp, "x%02x", *p );
- }
- else
- putc(*p, ttyfp);
-#endif
-}
-
-void
-tty_print_utf8_string2( byte *p, size_t n, size_t max_n )
-{
- size_t i;
- char *buf;
-
- if (no_terminal)
- return;
-
- /* we can handle plain ascii simpler, so check for it first */
- for(i=0; i < n; i++ ) {
- if( p[i] & 0x80 )
- break;
- }
- if( i < n ) {
- buf = utf8_to_native( p, n, 0 );
- if( max_n && (strlen( buf ) > max_n )) {
- buf[max_n] = 0;
- }
- /*(utf8 conversion already does the control character quoting)*/
- tty_printf("%s", buf );
- xfree( buf );
- }
- else {
- if( max_n && (n > max_n) ) {
- n = max_n;
- }
- tty_print_string( p, n );
- }
-}
-
-void
-tty_print_utf8_string( byte *p, size_t n )
-{
- tty_print_utf8_string2( p, n, 0 );
-}
-
-
-static char *
-do_get( const char *prompt, int hidden )
-{
- char *buf;
-#ifndef __riscos__
- byte cbuf[1];
-#endif
- int c, n, i;
-
- if( batchmode ) {
- log_error("Sorry, we are in batchmode - can't get input\n");
- exit(2);
- }
-
- if (no_terminal) {
- log_error("Sorry, no terminal at all requested - can't get input\n");
- exit(2);
- }
-
- if( !initialized )
- init_ttyfp();
-
- last_prompt_len = 0;
- tty_printf( "%s", prompt );
- buf = xmalloc((n=50));
- i = 0;
-
-#ifdef __MINGW32__ /* windoze version */
- if( hidden )
- SetConsoleMode(con.in, HID_INPMODE );
-
- for(;;) {
- DWORD nread;
-
- if( !ReadConsoleA( con.in, cbuf, 1, &nread, NULL ) )
- log_fatal("ReadConsole failed: rc=%d", (int)GetLastError() );
- if( !nread )
- continue;
- if( *cbuf == '\n' )
- break;
-
- if( !hidden )
- last_prompt_len++;
- c = *cbuf;
- if( c == '\t' )
- c = ' ';
- else if( c > 0xa0 )
- ; /* we don't allow 0xa0, as this is a protected blank which may
- * confuse the user */
- else if( iscntrl(c) )
- continue;
- if( !(i < n-1) ) {
- n += 50;
- buf = xrealloc (buf, n);
- }
- buf[i++] = c;
- }
-
- if( hidden )
- SetConsoleMode(con.in, DEF_INPMODE );
-
-#elif defined(__riscos__)
- do {
- c = riscos_getchar();
- if (c == 0xa || c == 0xd) { /* Return || Enter */
- c = (int) '\n';
- } else if (c == 0x8 || c == 0x7f) { /* Backspace || Delete */
- if (i>0) {
- i--;
- if (!hidden) {
- last_prompt_len--;
- fputc(8, ttyfp);
- fputc(32, ttyfp);
- fputc(8, ttyfp);
- fflush(ttyfp);
- }
- } else {
- fputc(7, ttyfp);
- fflush(ttyfp);
- }
- continue;
- } else if (c == (int) '\t') { /* Tab */
- c = ' ';
- } else if (c > 0xa0) {
- ; /* we don't allow 0xa0, as this is a protected blank which may
- * confuse the user */
- } else if (iscntrl(c)) {
- continue;
- }
- if(!(i < n-1)) {
- n += 50;
- buf = xrealloc (buf, n);
- }
- buf[i++] = c;
- if (!hidden) {
- last_prompt_len++;
- fputc(c, ttyfp);
- fflush(ttyfp);
- }
- } while (c != '\n');
- i = (i>0) ? i-1 : 0;
-#else /* unix version */
- if( hidden ) {
-#ifdef HAVE_TCGETATTR
- struct termios term;
-
- if( tcgetattr(fileno(ttyfp), &termsave) )
- log_fatal("tcgetattr() failed: %s\n", strerror(errno) );
- restore_termios = 1;
- term = termsave;
- term.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
- if( tcsetattr( fileno(ttyfp), TCSAFLUSH, &term ) )
- log_fatal("tcsetattr() failed: %s\n", strerror(errno) );
-#endif
- }
-
- /* fixme: How can we avoid that the \n is echoed w/o disabling
- * canonical mode - w/o this kill_prompt can't work */
- while( read(fileno(ttyfp), cbuf, 1) == 1 && *cbuf != '\n' ) {
- if( !hidden )
- last_prompt_len++;
- c = *cbuf;
- if( c == CONTROL_D )
- log_info("control d found\n");
- if( c == '\t' )
- c = ' ';
- else if( c > 0xa0 )
- ; /* we don't allow 0xa0, as this is a protected blank which may
- * confuse the user */
- else if( iscntrl(c) )
- continue;
- if( !(i < n-1) ) {
- n += 50;
- buf = xrealloc (buf, n );
- }
- buf[i++] = c;
- }
- if( *cbuf != '\n' ) {
- buf[0] = CONTROL_D;
- i = 1;
- }
-
-
- if( hidden ) {
-#ifdef HAVE_TCGETATTR
- if( tcsetattr(fileno(ttyfp), TCSAFLUSH, &termsave) )
- log_error("tcsetattr() failed: %s\n", strerror(errno) );
- restore_termios = 0;
-#endif
- }
-#endif /* end unix version */
- buf[i] = 0;
- return buf;
-}
-
-
-char *
-tty_get( const char *prompt )
-{
- return do_get( prompt, 0 );
-}
-
-char *
-tty_get_hidden( const char *prompt )
-{
- return do_get( prompt, 1 );
-}
-
-
-void
-tty_kill_prompt()
-{
- if ( no_terminal )
- return;
-
- if( !initialized )
- init_ttyfp();
-
- if( batchmode )
- last_prompt_len = 0;
- if( !last_prompt_len )
- return;
-#ifdef __MINGW32__
- tty_printf("\r%*s\r", last_prompt_len, "");
-#else
- {
- int i;
- putc('\r', ttyfp);
- for(i=0; i < last_prompt_len; i ++ )
- putc(' ', ttyfp);
- putc('\r', ttyfp);
- fflush(ttyfp);
- }
-#endif
- last_prompt_len = 0;
-}
-
-
-int
-tty_get_answer_is_yes( const char *prompt )
-{
- int yes;
- char *p = tty_get( prompt );
- tty_kill_prompt();
- yes = answer_is_yes(p);
- xfree(p);
- return yes;
-}
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