--- /dev/null
+/* crypto/des/read_pwd.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <openssl/e_os2.h>
+#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_WIN32)
+#ifdef OPENSSL_UNISTD
+# include OPENSSL_UNISTD
+#else
+# include <unistd.h>
+#endif
+/* If unistd.h defines _POSIX_VERSION, we conclude that we
+ * are on a POSIX system and have sigaction and termios. */
+#if defined(_POSIX_VERSION)
+
+# define SIGACTION
+# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
+# define TERMIOS
+# endif
+
+#endif
+#endif
+
+/* #define SIGACTION */ /* Define this if you have sigaction() */
+
+#ifdef WIN16TTY
+#undef OPENSSL_SYS_WIN16
+#undef _WINDOWS
+#include <graph.h>
+#endif
+
+/* 06-Apr-92 Luke Brennan Support for VMS */
+#include "des_locl.h"
+#include "cryptlib.h"
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+#include <setjmp.h>
+#include <errno.h>
+
+#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
+#include <starlet.h>
+#ifdef __DECC
+#pragma message disable DOLLARID
+#endif
+#endif
+
+#ifdef WIN_CONSOLE_BUG
+#include <windows.h>
+#ifndef OPENSSL_SYS_WINCE
+#include <wincon.h>
+#endif
+#endif
+
+
+/* There are 5 types of terminal interface supported,
+ * TERMIO, TERMIOS, VMS, MSDOS and SGTTY
+ */
+
+#if defined(__sgi) && !defined(TERMIOS)
+#define TERMIOS
+#undef TERMIO
+#undef SGTTY
+#endif
+
+#if defined(linux) && !defined(TERMIO)
+#undef TERMIOS
+#define TERMIO
+#undef SGTTY
+#endif
+
+#ifdef _LIBC
+#undef TERMIOS
+#define TERMIO
+#undef SGTTY
+#endif
+
+#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(MAC_OS_pre_X) && !defined(MAC_OS_GUSI_SOURCE)
+#undef TERMIOS
+#undef TERMIO
+#define SGTTY
+#endif
+
+#if defined(OPENSSL_SYS_VXWORKS)
+#undef TERMIOS
+#undef TERMIO
+#undef SGTTY
+#endif
+
+#ifdef TERMIOS
+#include <termios.h>
+#define TTY_STRUCT struct termios
+#define TTY_FLAGS c_lflag
+#define TTY_get(tty,data) tcgetattr(tty,data)
+#define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data)
+#endif
+
+#ifdef TERMIO
+#include <termio.h>
+#define TTY_STRUCT struct termio
+#define TTY_FLAGS c_lflag
+#define TTY_get(tty,data) ioctl(tty,TCGETA,data)
+#define TTY_set(tty,data) ioctl(tty,TCSETA,data)
+#endif
+
+#ifdef SGTTY
+#include <sgtty.h>
+#define TTY_STRUCT struct sgttyb
+#define TTY_FLAGS sg_flags
+#define TTY_get(tty,data) ioctl(tty,TIOCGETP,data)
+#define TTY_set(tty,data) ioctl(tty,TIOCSETP,data)
+#endif
+
+#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(MAC_OS_pre_X)
+#include <sys/ioctl.h>
+#endif
+
+#if defined(OPENSSL_SYS_MSDOS) && !defined(__CYGWIN32__) && !defined(OPENSSL_SYS_WINCE)
+#include <conio.h>
+#define fgets(a,b,c) noecho_fgets(a,b,c)
+#endif
+
+#ifdef OPENSSL_SYS_VMS
+#include <ssdef.h>
+#include <iodef.h>
+#include <ttdef.h>
+#include <descrip.h>
+struct IOSB {
+ short iosb$w_value;
+ short iosb$w_count;
+ long iosb$l_info;
+ };
+#endif
+
+#if defined(MAC_OS_pre_X) || defined(MAC_OS_GUSI_SOURCE)
+/*
+ * This one needs work. As a matter of fact the code is unoperational
+ * and this is only a trick to get it compiled.
+ * <appro@fy.chalmers.se>
+ */
+#define TTY_STRUCT int
+#endif
+
+#ifndef NX509_SIG
+#define NX509_SIG 32
+#endif
+
+static void read_till_nl(FILE *);
+static void recsig(int);
+static void pushsig(void);
+static void popsig(void);
+#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
+static int noecho_fgets(char *buf, int size, FILE *tty);
+#endif
+#ifdef SIGACTION
+ static struct sigaction savsig[NX509_SIG];
+#else
+ static void (*savsig[NX509_SIG])(int );
+#endif
+static jmp_buf save;
+
+int des_read_pw_string(char *buf, int length, const char *prompt,
+ int verify)
+ {
+ char buff[BUFSIZ];
+ int ret;
+
+ ret=des_read_pw(buf,buff,(length>BUFSIZ)?BUFSIZ:length,prompt,verify);
+ OPENSSL_cleanse(buff,BUFSIZ);
+ return(ret);
+ }
+
+#ifdef OPENSSL_SYS_WINCE
+
+int des_read_pw(char *buf, char *buff, int size, const char *prompt, int verify)
+ {
+ memset(buf,0,size);
+ memset(buff,0,size);
+ return(0);
+ }
+
+#elif defined(OPENSSL_SYS_WIN16)
+
+int des_read_pw(char *buf, char *buff, int size, char *prompt, int verify)
+ {
+ memset(buf,0,size);
+ memset(buff,0,size);
+ return(0);
+ }
+
+#else /* !OPENSSL_SYS_WINCE && !OPENSSL_SYS_WIN16 */
+
+static void read_till_nl(FILE *in)
+ {
+#define SIZE 4
+ char buf[SIZE+1];
+
+ do {
+ fgets(buf,SIZE,in);
+ } while (strchr(buf,'\n') == NULL);
+ }
+
+
+/* return 0 if ok, 1 (or -1) otherwise */
+int des_read_pw(char *buf, char *buff, int size, const char *prompt,
+ int verify)
+ {
+#ifdef OPENSSL_SYS_VMS
+ struct IOSB iosb;
+ $DESCRIPTOR(terminal,"TT");
+ long tty_orig[3], tty_new[3];
+ long status;
+ unsigned short channel = 0;
+#else
+#if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
+ TTY_STRUCT tty_orig,tty_new;
+#endif
+#endif
+ int number;
+ int ok;
+ /* statics are simply to avoid warnings about longjmp clobbering
+ things */
+ static int ps;
+ int is_a_tty;
+ static FILE *tty;
+ char *p;
+
+ if (setjmp(save))
+ {
+ ok=0;
+ goto error;
+ }
+
+ number=5;
+ ok=0;
+ ps=0;
+ is_a_tty=1;
+ tty=NULL;
+
+#ifdef OPENSSL_SYS_MSDOS
+ if ((tty=fopen("con","r")) == NULL)
+ tty=stdin;
+#elif defined(MAC_OS_pre_X) || defined(OPENSSL_SYS_VXWORKS)
+ tty=stdin;
+#else
+#ifndef OPENSSL_SYS_MPE
+ if ((tty=fopen("/dev/tty","r")) == NULL)
+#endif
+ tty=stdin;
+#endif
+
+#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
+ if (TTY_get(fileno(tty),&tty_orig) == -1)
+ {
+#ifdef ENOTTY
+ if (errno == ENOTTY)
+ is_a_tty=0;
+ else
+#endif
+#ifdef EINVAL
+ /* Ariel Glenn ariel@columbia.edu reports that solaris
+ * can return EINVAL instead. This should be ok */
+ if (errno == EINVAL)
+ is_a_tty=0;
+ else
+#endif
+ return(-1);
+ }
+ memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
+#endif
+#ifdef OPENSSL_SYS_VMS
+ status = sys$assign(&terminal,&channel,0,0);
+ if (status != SS$_NORMAL)
+ return(-1);
+ status=sys$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(-1);
+#endif
+
+ pushsig();
+ ps=1;
+
+#ifdef TTY_FLAGS
+ tty_new.TTY_FLAGS &= ~ECHO;
+#endif
+
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+ if (is_a_tty && (TTY_set(fileno(tty),&tty_new) == -1))
+#ifdef OPENSSL_SYS_MPE
+ ; /* MPE lies -- echo really has been disabled */
+#else
+ return(-1);
+#endif
+#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(-1);
+#endif
+ ps=2;
+
+ while ((!ok) && (number--))
+ {
+ fputs(prompt,stderr);
+ fflush(stderr);
+
+ buf[0]='\0';
+ fgets(buf,size,tty);
+ if (feof(tty)) goto error;
+ if (ferror(tty)) goto error;
+ if ((p=(char *)strchr(buf,'\n')) != NULL)
+ *p='\0';
+ else read_till_nl(tty);
+ if (verify)
+ {
+ fprintf(stderr,"\nVerifying password - %s",prompt);
+ fflush(stderr);
+ buff[0]='\0';
+ fgets(buff,size,tty);
+ if (feof(tty)) goto error;
+ if ((p=(char *)strchr(buff,'\n')) != NULL)
+ *p='\0';
+ else read_till_nl(tty);
+
+ if (strcmp(buf,buff) != 0)
+ {
+ fprintf(stderr,"\nVerify failure");
+ fflush(stderr);
+ break;
+ /* continue; */
+ }
+ }
+ ok=1;
+ }
+
+error:
+ fprintf(stderr,"\n");
+#if 0
+ perror("fgets(tty)");
+#endif
+ /* What can we do if there is an error? */
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+ if (ps >= 2) TTY_set(fileno(tty),&tty_orig);
+#endif
+#ifdef OPENSSL_SYS_VMS
+ if (ps >= 2)
+ status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0
+ ,tty_orig,12,0,0,0,0);
+#endif
+
+ if (ps >= 1) popsig();
+ if (stdin != tty) fclose(tty);
+#ifdef OPENSSL_SYS_VMS
+ status = sys$dassgn(channel);
+#endif
+ return(!ok);
+ }
+
+static void pushsig(void)
+ {
+ int i;
+#ifdef SIGACTION
+ struct sigaction sa;
+
+ memset(&sa,0,sizeof sa);
+ sa.sa_handler=recsig;
+#endif
+
+ 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,&sa,&savsig[i]);
+#else
+ savsig[i]=signal(i,recsig);
+#endif
+ }
+
+#ifdef SIGWINCH
+ signal(SIGWINCH,SIG_DFL);
+#endif
+ }
+
+static void popsig(void)
+ {
+ 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
+ }
+ }
+
+static void recsig(int i)
+ {
+ longjmp(save,1);
+#ifdef LINT
+ i=i;
+#endif
+ }
+
+#ifdef OPENSSL_SYS_MSDOS
+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();
+#else
+ i=getch();
+#endif
+ if (i == '\r') i='\n';
+ *(p++)=i;
+ if (i == '\n')
+ {
+ *p='\0';
+ break;
+ }
+ }
+#ifdef WIN_CONSOLE_BUG
+/* Win95 has several evil console bugs: one of these is that the
+ * last character read using getch() is passed to the next read: this is
+ * usually a CR so this can be trouble. No STDIO fix seems to work but
+ * flushing the console appears to do the trick.
+ */
+ {
+ HANDLE inh;
+ inh = GetStdHandle(STD_INPUT_HANDLE);
+ FlushConsoleInputBuffer(inh);
+ }
+#endif
+ return(strlen(buf));
+ }
+#endif
+#endif /* !OPENSSL_SYS_WINCE && !WIN16 */
projects / cassiopeia.git / blobdiff