From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/crypto/ui/ui_openssl.c | 712 ++++++++++++++++++++++++++++++++++ 1 file changed, 712 insertions(+) create mode 100644 openssl-1.1.0h/crypto/ui/ui_openssl.c (limited to 'openssl-1.1.0h/crypto/ui/ui_openssl.c') diff --git a/openssl-1.1.0h/crypto/ui/ui_openssl.c b/openssl-1.1.0h/crypto/ui/ui_openssl.c new file mode 100644 index 0000000..8fa8dec --- /dev/null +++ b/openssl-1.1.0h/crypto/ui/ui_openssl.c @@ -0,0 +1,712 @@ +/* + * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include +#include + +/* + * need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc + * [maybe others?], because it masks interfaces not discussed in standard, + * sigaction and fileno included. -pedantic would be more appropriate for the + * intended purposes, but we can't prevent users from adding -ansi. + */ +#if defined(OPENSSL_SYS_VXWORKS) +# include +#endif + +#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS) +# ifndef _POSIX_C_SOURCE +# define _POSIX_C_SOURCE 2 +# endif +#endif +#include +#include +#include +#include + +#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) +# ifdef OPENSSL_UNISTD +# include OPENSSL_UNISTD +# else +# include +# 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 + +/* 06-Apr-92 Luke Brennan Support for VMS */ +#include "ui_locl.h" +#include "internal/cryptlib.h" + +#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */ +# include +# ifdef __DECC +# pragma message disable DOLLARID +# endif +#endif + +#ifdef WIN_CONSOLE_BUG +# include +# ifndef OPENSSL_SYS_WINCE +# include +# endif +#endif + +/* + * There are 6 types of terminal interface supported, TERMIO, TERMIOS, VMS, + * MSDOS, WIN32 Console and SGTTY. + * + * If someone defines one of the macros TERMIO, TERMIOS or SGTTY, it will + * remain respected. Otherwise, we default to TERMIOS except for a few + * systems that require something different. + * + * Note: we do not use SGTTY unless it's defined by the configuration. We + * may eventually opt to remove it's use entirely. + */ + +#if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY) + +# if defined(_LIBC) +# undef TERMIOS +# define TERMIO +# undef SGTTY +/* + * We know that VMS, MSDOS, VXWORKS, use entirely other mechanisms. + */ +# elif !defined(OPENSSL_SYS_VMS) \ + && !defined(OPENSSL_SYS_MSDOS) \ + && !defined(OPENSSL_SYS_VXWORKS) +# define TERMIOS +# undef TERMIO +# undef SGTTY +# endif + +#endif + +#ifdef TERMIOS +# include +# define TTY_STRUCT struct termios +# define TTY_FLAGS c_lflag +# define TTY_get(tty,data) tcgetattr(tty,data) +# define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data) +#endif + +#ifdef TERMIO +# include +# define TTY_STRUCT struct termio +# define TTY_FLAGS c_lflag +# define TTY_get(tty,data) ioctl(tty,TCGETA,data) +# define TTY_set(tty,data) ioctl(tty,TCSETA,data) +#endif + +#ifdef SGTTY +# include +# define TTY_STRUCT struct sgttyb +# define TTY_FLAGS sg_flags +# define TTY_get(tty,data) ioctl(tty,TIOCGETP,data) +# define TTY_set(tty,data) ioctl(tty,TIOCSETP,data) +#endif + +#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) +# include +#endif + +#ifdef OPENSSL_SYS_MSDOS +# include +#endif + +#ifdef OPENSSL_SYS_VMS +# include +# include +# include +# include +struct IOSB { + short iosb$w_value; + short iosb$w_count; + long iosb$l_info; +}; +#endif + +#ifndef NX509_SIG +# define NX509_SIG 32 +#endif + +/* Define globals. They are protected by a lock */ +#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]; /* XXX Is there any guarantee that this + * will always suffice for the actual + * structures? */ +static long status; +static unsigned short channel = 0; +#elif defined(_WIN32) && !defined(_WIN32_WCE) +static DWORD tty_orig, tty_new; +#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; + +/* Declare static functions */ +#if !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(_WIN32) +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, /* No flusher is needed for command lines */ + read_string, + close_console, + NULL +}; + +static const UI_METHOD *default_UI_meth = &ui_openssl; + +void UI_set_default_method(const UI_METHOD *meth) +{ + default_UI_meth = meth; +} + +const UI_METHOD *UI_get_default_method(void) +{ + return default_UI_meth; +} + +/* The method with all the built-in thingies */ +UI_METHOD *UI_OpenSSL(void) +{ + return &ui_openssl; +} + +/* + * The following function makes sure that info and error strings are printed + * before any prompt. + */ +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_WINCE) +/* Internal functions to read a string without echoing */ +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_WINCE) + char *p = NULL; + int echo_eol = !echo; + + intr_signal = 0; + ok = 0; + ps = 0; + + pushsig(); + ps = 1; + + if (!echo && !noecho_console(ui)) + goto error; + ps = 2; + + result[0] = '\0'; +# if defined(_WIN32) + if (is_a_tty) { + DWORD numread; +# if defined(CP_UTF8) + if (GetEnvironmentVariableW(L"OPENSSL_WIN32_UTF8", NULL, 0) != 0) { + WCHAR wresult[BUFSIZ]; + + if (ReadConsoleW(GetStdHandle(STD_INPUT_HANDLE), + wresult, maxsize, &numread, NULL)) { + if (numread >= 2 && + wresult[numread-2] == L'\r' && + wresult[numread-1] == L'\n') { + wresult[numread-2] = L'\n'; + numread--; + } + wresult[numread] = '\0'; + if (WideCharToMultiByte(CP_UTF8, 0, wresult, -1, + result, sizeof(result), NULL, 0) > 0) + p = result; + + OPENSSL_cleanse(wresult, sizeof(wresult)); + } + } else +# endif + if (ReadConsoleA(GetStdHandle(STD_INPUT_HANDLE), + result, maxsize, &numread, NULL)) { + if (numread >= 2 && + result[numread-2] == '\r' && result[numread-1] == '\n') { + result[numread-2] = '\n'; + numread--; + } + result[numread] = '\0'; + p = result; + } + } else +# elif defined(OPENSSL_SYS_MSDOS) + if (!echo) { + noecho_fgets(result, maxsize, tty_in); + p = result; /* FIXME: noecho_fgets doesn't return errors */ + } else +# endif + p = fgets(result, maxsize, tty_in); + if (p == NULL) + 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_eol) + 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; +} + +/* Internal functions to open, handle and close a channel to the console. */ +static int open_console(UI *ui) +{ + CRYPTO_THREAD_write_lock(ui->lock); + is_a_tty = 1; + +#if defined(OPENSSL_SYS_VXWORKS) + tty_in = stdin; + tty_out = stderr; +#elif defined(_WIN32) && !defined(_WIN32_WCE) + if ((tty_out = fopen("conout$", "w")) == NULL) + tty_out = stderr; + + if (GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &tty_orig)) { + tty_in = stdin; + } else { + is_a_tty = 0; + if ((tty_in = fopen("conin$", "r")) == NULL) + tty_in = stdin; + } +#else +# ifdef OPENSSL_SYS_MSDOS +# define DEV_TTY "con" +# else +# define DEV_TTY "/dev/tty" +# endif + if ((tty_in = fopen(DEV_TTY, "r")) == NULL) + tty_in = stdin; + if ((tty_out = fopen(DEV_TTY, "w")) == NULL) + tty_out = stderr; +#endif + +#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS) + if (TTY_get(fileno(tty_in), &tty_orig) == -1) { +# ifdef ENOTTY + if (errno == ENOTTY) + is_a_tty = 0; + else +# endif +# ifdef EINVAL + /* + * Ariel Glenn ariel@columbia.edu reports that solaris can return + * EINVAL instead. This should be ok + */ + if (errno == EINVAL) + is_a_tty = 0; + else +# endif +# ifdef ENODEV + /* + * MacOS X returns ENODEV (Operation not supported by device), + * which seems appropriate. + */ + if (errno == ENODEV) + is_a_tty = 0; + else +# endif + { + char tmp_num[10]; + BIO_snprintf(tmp_num, sizeof(tmp_num) - 1, "%d", errno); + UIerr(UI_F_OPEN_CONSOLE, UI_R_UNKNOWN_TTYGET_ERRNO_VALUE); + ERR_add_error_data(2, "errno=", tmp_num); + + return 0; + } + } +#endif +#ifdef OPENSSL_SYS_VMS + status = sys$assign(&terminal, &channel, 0, 0); + + /* if there isn't a TT device, something is very wrong */ + if (status != SS$_NORMAL) { + char tmp_num[12]; + + BIO_snprintf(tmp_num, sizeof(tmp_num) - 1, "%%X%08X", status); + UIerr(UI_F_OPEN_CONSOLE, UI_R_SYSASSIGN_ERROR); + ERR_add_error_data(2, "status=", tmp_num); + return 0; + } + + status = sys$qiow(0, channel, IO$_SENSEMODE, &iosb, 0, 0, tty_orig, 12, + 0, 0, 0, 0); + + /* If IO$_SENSEMODE doesn't work, this is not a terminal device */ + if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) + is_a_tty = 0; +#endif + return 1; +} + +static int noecho_console(UI *ui) +{ +#ifdef TTY_FLAGS + memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig)); + tty_new.TTY_FLAGS &= ~ECHO; +#endif + +#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) + if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1)) + return 0; +#endif +#ifdef OPENSSL_SYS_VMS + if (is_a_tty) { + tty_new[0] = tty_orig[0]; + tty_new[1] = tty_orig[1] | TT$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$_NORMAL)) { + char tmp_num[2][12]; + + BIO_snprintf(tmp_num[0], sizeof(tmp_num[0]) - 1, "%%X%08X", + status); + BIO_snprintf(tmp_num[1], sizeof(tmp_num[1]) - 1, "%%X%08X", + iosb.iosb$w_value); + UIerr(UI_F_NOECHO_CONSOLE, UI_R_SYSQIOW_ERROR); + ERR_add_error_data(5, "status=", tmp_num[0], + ",", "iosb.iosb$w_value=", tmp_num[1]); + return 0; + } + } +#endif +#if defined(_WIN32) && !defined(_WIN32_WCE) + if (is_a_tty) { + tty_new = tty_orig; + tty_new &= ~ENABLE_ECHO_INPUT; + SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), tty_new); + } +#endif + return 1; +} + +static int echo_console(UI *ui) +{ +#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) + memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig)); + tty_new.TTY_FLAGS |= ECHO; +#endif + +#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) + if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1)) + return 0; +#endif +#ifdef OPENSSL_SYS_VMS + if (is_a_tty) { + tty_new[0] = tty_orig[0]; + tty_new[1] = tty_orig[1] & ~TT$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$_NORMAL)) { + char tmp_num[2][12]; + + BIO_snprintf(tmp_num[0], sizeof(tmp_num[0]) - 1, "%%X%08X", + status); + BIO_snprintf(tmp_num[1], sizeof(tmp_num[1]) - 1, "%%X%08X", + iosb.iosb$w_value); + UIerr(UI_F_ECHO_CONSOLE, UI_R_SYSQIOW_ERROR); + ERR_add_error_data(5, "status=", tmp_num[0], + ",", "iosb.iosb$w_value=", tmp_num[1]); + return 0; + } + } +#endif +#if defined(_WIN32) && !defined(_WIN32_WCE) + if (is_a_tty) { + tty_new = tty_orig; + tty_new |= ENABLE_ECHO_INPUT; + SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), tty_new); + } +#endif + return 1; +} + +static int close_console(UI *ui) +{ + if (tty_in != stdin) + fclose(tty_in); + if (tty_out != stderr) + fclose(tty_out); +#ifdef OPENSSL_SYS_VMS + status = sys$dassgn(channel); + if (status != SS$_NORMAL) { + char tmp_num[12]; + + BIO_snprintf(tmp_num, sizeof(tmp_num) - 1, "%%X%08X", status); + UIerr(UI_F_CLOSE_CONSOLE, UI_R_SYSDASSGN_ERROR); + ERR_add_error_data(2, "status=", tmp_num); + return 0; + } +#endif + CRYPTO_THREAD_unlock(ui->lock); + + return 1; +} + +#if !defined(OPENSSL_SYS_WINCE) +/* Internal functions to handle signals and act on them */ +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) /* We can't make any action on that. */ + 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 + +/* Internal functions specific for Windows */ +#if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) +static int noecho_fgets(char *buf, int size, FILE *tty) +{ + int i; + char *p; + + p = buf; + for (;;) { + if (size == 0) { + *p = '\0'; + break; + } + size--; +# if 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 + /* + * 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 -- cgit v1.2.3