diff options
Diffstat (limited to 'thirdparty/openssl/crypto/des/read_pwd.c')
| -rw-r--r-- | thirdparty/openssl/crypto/des/read_pwd.c | 533 |
1 files changed, 533 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/des/read_pwd.c b/thirdparty/openssl/crypto/des/read_pwd.c new file mode 100644 index 0000000000..514a7063b4 --- /dev/null +++ b/thirdparty/openssl/crypto/des/read_pwd.c @@ -0,0 +1,533 @@ +/* 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 this if you have sigaction() */ +/* #define 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$whatever */ +# include <starlet.h> +# ifdef __DECC +# pragma message disable DOLLARID +# endif +#endif + +#ifdef WIN_CONSOLE_BUG +# include <windows.h> +# ifndef OPENSSL_SYS_WINCE +# include <wincon.h> +# endif +#endif + +/* + * There are 5 types of terminal interface supported, TERMIO, TERMIOS, VMS, + * MSDOS and SGTTY + */ + +#if defined(__sgi) && !defined(TERMIOS) +# define TERMIOS +# undef TERMIO +# undef SGTTY +#endif + +#if defined(linux) && !defined(TERMIO) +# undef TERMIOS +# define TERMIO +# undef SGTTY +#endif + +#ifdef _LIBC +# undef TERMIOS +# define TERMIO +# undef SGTTY +#endif + +#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(MAC_OS_pre_X) && !defined(MAC_OS_GUSI_SOURCE) +# undef TERMIOS +# undef TERMIO +# define SGTTY +#endif + +#if defined(OPENSSL_SYS_VXWORKS) +# undef TERMIOS +# undef TERMIO +# undef SGTTY +#endif + +#ifdef TERMIOS +# include <termios.h> +# define TTY_STRUCT struct termios +# define TTY_FLAGS c_lflag +# define TTY_get(tty,data) tcgetattr(tty,data) +# define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data) +#endif + +#ifdef TERMIO +# include <termio.h> +# define TTY_STRUCT struct termio +# define TTY_FLAGS c_lflag +# define TTY_get(tty,data) ioctl(tty,TCGETA,data) +# define TTY_set(tty,data) ioctl(tty,TCSETA,data) +#endif + +#ifdef SGTTY +# include <sgtty.h> +# define TTY_STRUCT struct sgttyb +# define TTY_FLAGS sg_flags +# define TTY_get(tty,data) ioctl(tty,TIOCGETP,data) +# define TTY_set(tty,data) ioctl(tty,TIOCSETP,data) +#endif + +#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(MAC_OS_pre_X) +# include <sys/ioctl.h> +#endif + +#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WINCE) +# include <conio.h> +# define fgets(a,b,c) noecho_fgets(a,b,c) +#endif + +#ifdef OPENSSL_SYS_VMS +# include <ssdef.h> +# include <iodef.h> +# include <ttdef.h> +# include <descrip.h> +struct IOSB { + short iosb$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 */ |