#include <openssl/e_os2.h>
#define _POSIX_C_SOURCE 1
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
# ifdef OPENSSL_UNISTD
# include OPENSSL_UNISTD
# else
# include <unistd.h>
# endif
# if defined(_POSIX_VERSION)
# define SIGACTION
# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
# define TERMIOS
# endif
# endif
#endif
#ifdef WIN16TTY
# undef OPENSSL_SYS_WIN16
# undef WIN16
# undef _WINDOWS
# include <graph.h>
#endif
#include "ui_locl.h"
#include "cryptlib.h"
#ifdef OPENSSL_SYS_VMS
# include <starlet.h>
# ifdef __DECC
# pragma message disable DOLLARID
# endif
#endif
#ifdef WIN_CONSOLE_BUG
# include <windows.h>
#ifndef OPENSSL_SYS_WINCE
# include <wincon.h>
#endif
#endif
#if defined(__sgi) && !defined(TERMIOS)
# define TERMIOS
# undef TERMIO
# undef SGTTY
#endif
#if defined(linux) && !defined(TERMIO)
# undef TERMIOS
# define TERMIO
# undef SGTTY
#endif
#ifdef _LIBC
# undef TERMIOS
# define TERMIO
# undef SGTTY
#endif
#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(MAC_OS_GUSI_SOURCE)
# undef TERMIOS
# undef TERMIO
# define SGTTY
#endif
#if defined(OPENSSL_SYS_VXWORKS)
#undef TERMIOS
#undef TERMIO
#undef SGTTY
#endif
#if defined(OPENSSL_SYS_NETWARE)
#undef TERMIOS
#undef TERMIO
#undef SGTTY
#endif
#ifdef TERMIOS
# include <termios.h>
# define TTY_STRUCT struct termios
# define TTY_FLAGS c_lflag
# define TTY_get(tty,data) tcgetattr(tty,data)
# define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data)
#endif
#ifdef TERMIO
# include <termio.h>
# define TTY_STRUCT struct termio
# define TTY_FLAGS c_lflag
# define TTY_get(tty,data) ioctl(tty,TCGETA,data)
# define TTY_set(tty,data) ioctl(tty,TCSETA,data)
#endif
#ifdef SGTTY
# include <sgtty.h>
# define TTY_STRUCT struct sgttyb
# define TTY_FLAGS sg_flags
# define TTY_get(tty,data) ioctl(tty,TIOCGETP,data)
# define TTY_set(tty,data) ioctl(tty,TIOCSETP,data)
#endif
#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(OPENSSL_SYS_SUNOS)
# include <sys/ioctl.h>
#endif
#ifdef OPENSSL_SYS_MSDOS
# include <conio.h>
#endif
#ifdef OPENSSL_SYS_VMS
# include <ssdef.h>
# include <iodef.h>
# include <ttdef.h>
# include <descrip.h>
struct IOSB {
short iosb$w_value;
short iosb$w_count;
long iosb$l_info;
};
#endif
#ifdef OPENSSL_SYS_SUNOS
typedef int sig_atomic_t;
#endif
#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE)
# define TTY_STRUCT int
#endif
#ifndef NX509_SIG
# define NX509_SIG 32
#endif
#ifdef SIGACTION
static struct sigaction savsig[NX509_SIG];
#else
static void (*savsig[NX509_SIG])(int );
#endif
#ifdef OPENSSL_SYS_VMS
static struct IOSB iosb;
static $DESCRIPTOR(terminal,"TT");
static long tty_orig[3], tty_new[3];
static long status;
static unsigned short channel = 0;
#else
#if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
static TTY_STRUCT tty_orig,tty_new;
#endif
#endif
static FILE *tty_in, *tty_out;
static int is_a_tty;
#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
static int read_till_nl(FILE *);
static void recsig(int);
static void pushsig(void);
static void popsig(void);
#endif
#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
static int noecho_fgets(char *buf, int size, FILE *tty);
#endif
static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
static int read_string(UI *ui, UI_STRING *uis);
static int write_string(UI *ui, UI_STRING *uis);
static int open_console(UI *ui);
static int echo_console(UI *ui);
static int noecho_console(UI *ui);
static int close_console(UI *ui);
static UI_METHOD ui_openssl =
{
"OpenSSL default user interface",
open_console,
write_string,
NULL,
read_string,
close_console,
NULL
};
UI_METHOD *UI_OpenSSL(void)
{
return &ui_openssl;
}
static int write_string(UI *ui, UI_STRING *uis)
{
switch (UI_get_string_type(uis))
{
case UIT_ERROR:
case UIT_INFO:
fputs(UI_get0_output_string(uis), tty_out);
fflush(tty_out);
break;
default:
break;
}
return 1;
}
static int read_string(UI *ui, UI_STRING *uis)
{
int ok = 0;
switch (UI_get_string_type(uis))
{
case UIT_BOOLEAN:
fputs(UI_get0_output_string(uis), tty_out);
fputs(UI_get0_action_string(uis), tty_out);
fflush(tty_out);
return read_string_inner(ui, uis,
UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0);
case UIT_PROMPT:
fputs(UI_get0_output_string(uis), tty_out);
fflush(tty_out);
return read_string_inner(ui, uis,
UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1);
case UIT_VERIFY:
fprintf(tty_out,"Verifying - %s",
UI_get0_output_string(uis));
fflush(tty_out);
if ((ok = read_string_inner(ui, uis,
UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1)) <= 0)
return ok;
if (strcmp(UI_get0_result_string(uis),
UI_get0_test_string(uis)) != 0)
{
fprintf(tty_out,"Verify failure\n");
fflush(tty_out);
return 0;
}
break;
default:
break;
}
return 1;
}
#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
static int read_till_nl(FILE *in)
{
#define SIZE 4
char buf[SIZE+1];
do {
if (!fgets(buf,SIZE,in))
return 0;
} while (strchr(buf,'\n') == NULL);
return 1;
}
static volatile sig_atomic_t intr_signal;
#endif
static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
{
static int ps;
int ok;
char result[BUFSIZ];
int maxsize = BUFSIZ-1;
#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
char *p;
intr_signal=0;
ok=0;
ps=0;
pushsig();
ps=1;
if (!echo && !noecho_console(ui))
goto error;
ps=2;
result[0]='\0';
#ifdef OPENSSL_SYS_MSDOS
if (!echo)
{
noecho_fgets(result,maxsize,tty_in);
p=result;
}
else
p=fgets(result,maxsize,tty_in);
#else
p=fgets(result,maxsize,tty_in);
#endif
if(!p)
goto error;
if (feof(tty_in)) goto error;
if (ferror(tty_in)) goto error;
if ((p=(char *)strchr(result,'\n')) != NULL)
{
if (strip_nl)
*p='\0';
}
else
if (!read_till_nl(tty_in))
goto error;
if (UI_set_result(ui, uis, result) >= 0)
ok=1;
error:
if (intr_signal == SIGINT)
ok=-1;
if (!echo) fprintf(tty_out,"\n");
if (ps >= 2 && !echo && !echo_console(ui))
ok=0;
if (ps >= 1)
popsig();
#else
ok=1;
#endif
OPENSSL_cleanse(result,BUFSIZ);
return ok;
}
static int open_console(UI *ui)
{
CRYPTO_w_lock(CRYPTO_LOCK_UI);
is_a_tty = 1;
#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)
tty_in=stdin;
tty_out=stderr;
#else
# ifdef OPENSSL_SYS_MSDOS
# define DEV_TTY "con"
# else
# define DEV_TTY "/dev/tty"
# endif
if ((tty_in=fopen(DEV_TTY,"r")) == NULL)
tty_in=stdin;
if ((tty_out=fopen(DEV_TTY,"w")) == NULL)
tty_out=stderr;
#endif
#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
if (TTY_get(fileno(tty_in),&tty_orig) == -1)
{
#ifdef ENOTTY
if (errno == ENOTTY)
is_a_tty=0;
else
#endif
#ifdef EINVAL
if (errno == EINVAL)
is_a_tty=0;
else
#endif
return 0;
}
#endif
#ifdef OPENSSL_SYS_VMS
status = sys$assign(&terminal,&channel,0,0);
if (status != SS$_NORMAL)
return 0;
status=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0);
if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
return 0;
#endif
return 1;
}
static int noecho_console(UI *ui)
{
#ifdef TTY_FLAGS
memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
tty_new.TTY_FLAGS &= ~ECHO;
#endif
#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
return 0;
#endif
#ifdef OPENSSL_SYS_VMS
tty_new[0] = tty_orig[0];
tty_new[1] = tty_orig[1] | TT$M_NOECHO;
tty_new[2] = tty_orig[2];
status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
return 0;
#endif
return 1;
}
static int echo_console(UI *ui)
{
#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
tty_new.TTY_FLAGS |= ECHO;
#endif
#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
return 0;
#endif
#ifdef OPENSSL_SYS_VMS
tty_new[0] = tty_orig[0];
tty_new[1] = tty_orig[1] & ~TT$M_NOECHO;
tty_new[2] = tty_orig[2];
status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
return 0;
#endif
return 1;
}
static int close_console(UI *ui)
{
if (tty_in != stdin) fclose(tty_in);
if (tty_out != stderr) fclose(tty_out);
#ifdef OPENSSL_SYS_VMS
status = sys$dassgn(channel);
#endif
CRYPTO_w_unlock(CRYPTO_LOCK_UI);
return 1;
}
#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
static void pushsig(void)
{
#ifndef OPENSSL_SYS_WIN32
int i;
#endif
#ifdef SIGACTION
struct sigaction sa;
memset(&sa,0,sizeof sa);
sa.sa_handler=recsig;
#endif
#ifdef OPENSSL_SYS_WIN32
savsig[SIGABRT]=signal(SIGABRT,recsig);
savsig[SIGFPE]=signal(SIGFPE,recsig);
savsig[SIGILL]=signal(SIGILL,recsig);
savsig[SIGINT]=signal(SIGINT,recsig);
savsig[SIGSEGV]=signal(SIGSEGV,recsig);
savsig[SIGTERM]=signal(SIGTERM,recsig);
#else
for (i=1; i<NX509_SIG; i++)
{
#ifdef SIGUSR1
if (i == SIGUSR1)
continue;
#endif
#ifdef SIGUSR2
if (i == SIGUSR2)
continue;
#endif
#ifdef SIGKILL
if (i == SIGKILL)
continue;
#endif
#ifdef SIGACTION
sigaction(i,&sa,&savsig[i]);
#else
savsig[i]=signal(i,recsig);
#endif
}
#endif
#ifdef SIGWINCH
signal(SIGWINCH,SIG_DFL);
#endif
}
static void popsig(void)
{
#ifdef OPENSSL_SYS_WIN32
signal(SIGABRT,savsig[SIGABRT]);
signal(SIGFPE,savsig[SIGFPE]);
signal(SIGILL,savsig[SIGILL]);
signal(SIGINT,savsig[SIGINT]);
signal(SIGSEGV,savsig[SIGSEGV]);
signal(SIGTERM,savsig[SIGTERM]);
#else
int i;
for (i=1; i<NX509_SIG; i++)
{
#ifdef SIGUSR1
if (i == SIGUSR1)
continue;
#endif
#ifdef SIGUSR2
if (i == SIGUSR2)
continue;
#endif
#ifdef SIGACTION
sigaction(i,&savsig[i],NULL);
#else
signal(i,savsig[i]);
#endif
}
#endif
}
static void recsig(int i)
{
intr_signal=i;
}
#endif
#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
static int noecho_fgets(char *buf, int size, FILE *tty)
{
int i;
char *p;
p=buf;
for (;;)
{
if (size == 0)
{
*p='\0';
break;
}
size--;
#ifdef WIN16TTY
i=_inchar();
#elif defined(_WIN32)
i=_getch();
#else
i=getch();
#endif
if (i == '\r') i='\n';
*(p++)=i;
if (i == '\n')
{
*p='\0';
break;
}
}
#ifdef WIN_CONSOLE_BUG
{
HANDLE inh;
inh = GetStdHandle(STD_INPUT_HANDLE);
FlushConsoleInputBuffer(inh);
}
#endif
return(strlen(buf));
}
#endif