diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/o_str.c')
-rw-r--r-- | Cryptlib/OpenSSL/crypto/o_str.c | 324 |
1 files changed, 95 insertions, 229 deletions
diff --git a/Cryptlib/OpenSSL/crypto/o_str.c b/Cryptlib/OpenSSL/crypto/o_str.c index beabec0d..7e61cde8 100644 --- a/Cryptlib/OpenSSL/crypto/o_str.c +++ b/Cryptlib/OpenSSL/crypto/o_str.c @@ -1,250 +1,116 @@ +/* crypto/o_str.c */ /* - * Copyright 2003-2016 The OpenSSL Project Authors. All Rights Reserved. + * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project + * 2003. + */ +/* ==================================================================== + * Copyright (c) 2003 The OpenSSL Project. All rights reserved. + * + * 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 above 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 acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 OpenSSL PROJECT OR + * ITS 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). * - * 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 <ctype.h> -#include <limits.h> #include <e_os.h> -#include <openssl/crypto.h> -#include "internal/cryptlib.h" -#include "internal/o_str.h" - -int OPENSSL_memcmp(const void *v1, const void *v2, size_t n) -{ - const unsigned char *c1 = v1, *c2 = v2; - int ret = 0; - - while (n && (ret = *c1 - *c2) == 0) - n--, c1++, c2++; - - return ret; -} - -char *CRYPTO_strdup(const char *str, const char* file, int line) -{ - char *ret; - size_t size; - - if (str == NULL) - return NULL; - size = strlen(str) + 1; - ret = CRYPTO_malloc(size, file, line); - if (ret != NULL) - memcpy(ret, str, size); - return ret; -} - -char *CRYPTO_strndup(const char *str, size_t s, const char* file, int line) -{ - size_t maxlen; - char *ret; - - if (str == NULL) - return NULL; - - maxlen = OPENSSL_strnlen(str, s); - - ret = CRYPTO_malloc(maxlen + 1, file, line); - if (ret) { - memcpy(ret, str, maxlen); - ret[maxlen] = '\0'; - } - return ret; -} - -void *CRYPTO_memdup(const void *data, size_t siz, const char* file, int line) -{ - void *ret; +#include "o_str.h" - if (data == NULL || siz >= INT_MAX) - return NULL; - - ret = CRYPTO_malloc(siz, file, line); - if (ret == NULL) { - CRYPTOerr(CRYPTO_F_CRYPTO_MEMDUP, ERR_R_MALLOC_FAILURE); - return NULL; - } - return memcpy(ret, data, siz); -} - -size_t OPENSSL_strnlen(const char *str, size_t maxlen) -{ - const char *p; - - for (p = str; maxlen-- != 0 && *p != '\0'; ++p) ; - - return p - str; -} +#if !defined(OPENSSL_IMPLEMENTS_strncasecmp) && \ + !defined(OPENSSL_SYSNAME_WIN32) && !defined(OPENSSL_SYSNAME_WINCE) && \ + !defined(NETWARE_CLIB) +# include <strings.h> +#endif -size_t OPENSSL_strlcpy(char *dst, const char *src, size_t size) +int OPENSSL_strncasecmp(const char *str1, const char *str2, size_t n) { - size_t l = 0; - for (; size > 1 && *src; size--) { - *dst++ = *src++; - l++; +#if defined(OPENSSL_IMPLEMENTS_strncasecmp) + while (*str1 && *str2 && n) { + int res = toupper(*str1) - toupper(*str2); + if (res) + return res < 0 ? -1 : 1; + str1++; + str2++; + n--; } - if (size) - *dst = '\0'; - return l + strlen(src); -} - -size_t OPENSSL_strlcat(char *dst, const char *src, size_t size) -{ - size_t l = 0; - for (; size > 0 && *dst; size--, dst++) - l++; - return l + OPENSSL_strlcpy(dst, src, size); -} - -int OPENSSL_hexchar2int(unsigned char c) -{ -#ifdef CHARSET_EBCDIC - c = os_toebcdic[c]; -#endif - - switch (c) { - case '0': + if (n == 0) return 0; - case '1': + if (*str1) return 1; - case '2': - return 2; - case '3': - return 3; - case '4': - return 4; - case '5': - return 5; - case '6': - return 6; - case '7': - return 7; - case '8': - return 8; - case '9': - return 9; - case 'a': case 'A': - return 0x0A; - case 'b': case 'B': - return 0x0B; - case 'c': case 'C': - return 0x0C; - case 'd': case 'D': - return 0x0D; - case 'e': case 'E': - return 0x0E; - case 'f': case 'F': - return 0x0F; - } - return -1; + if (*str2) + return -1; + return 0; +#else + /* + * Recursion hazard warning! Whenever strncasecmp is #defined as + * OPENSSL_strncasecmp, OPENSSL_IMPLEMENTS_strncasecmp must be defined as + * well. + */ + return strncasecmp(str1, str2, n); +#endif } -/* - * Give a string of hex digits convert to a buffer - */ -unsigned char *OPENSSL_hexstr2buf(const char *str, long *len) +int OPENSSL_strcasecmp(const char *str1, const char *str2) { - unsigned char *hexbuf, *q; - unsigned char ch, cl; - int chi, cli; - const unsigned char *p; - size_t s; - - s = strlen(str); - if ((hexbuf = OPENSSL_malloc(s >> 1)) == NULL) { - CRYPTOerr(CRYPTO_F_OPENSSL_HEXSTR2BUF, ERR_R_MALLOC_FAILURE); - return NULL; - } - for (p = (const unsigned char *)str, q = hexbuf; *p; ) { - ch = *p++; - if (ch == ':') - continue; - cl = *p++; - if (!cl) { - CRYPTOerr(CRYPTO_F_OPENSSL_HEXSTR2BUF, - CRYPTO_R_ODD_NUMBER_OF_DIGITS); - OPENSSL_free(hexbuf); - return NULL; - } - cli = OPENSSL_hexchar2int(cl); - chi = OPENSSL_hexchar2int(ch); - if (cli < 0 || chi < 0) { - OPENSSL_free(hexbuf); - CRYPTOerr(CRYPTO_F_OPENSSL_HEXSTR2BUF, CRYPTO_R_ILLEGAL_HEX_DIGIT); - return NULL; - } - *q++ = (unsigned char)((chi << 4) | cli); - } - - if (len) - *len = q - hexbuf; - return hexbuf; +#if defined(OPENSSL_IMPLEMENTS_strncasecmp) + return OPENSSL_strncasecmp(str1, str2, (size_t)-1); +#else + return strcasecmp(str1, str2); +#endif } -/* - * Given a buffer of length 'len' return a OPENSSL_malloc'ed string with its - * hex representation @@@ (Contents of buffer are always kept in ASCII, also - * on EBCDIC machines) - */ -char *OPENSSL_buf2hexstr(const unsigned char *buffer, long len) +int OPENSSL_memcmp(const void *v1, const void *v2, size_t n) { - const static char hexdig[] = "0123456789ABCDEF"; - char *tmp, *q; - const unsigned char *p; - int i; - - if (len == 0) - { - return OPENSSL_zalloc(1); - } - - if ((tmp = OPENSSL_malloc(len * 3)) == NULL) { - CRYPTOerr(CRYPTO_F_OPENSSL_BUF2HEXSTR, ERR_R_MALLOC_FAILURE); - return NULL; - } - q = tmp; - for (i = 0, p = buffer; i < len; i++, p++) { - *q++ = hexdig[(*p >> 4) & 0xf]; - *q++ = hexdig[*p & 0xf]; - *q++ = ':'; - } - q[-1] = 0; -#ifdef CHARSET_EBCDIC - ebcdic2ascii(tmp, tmp, q - tmp - 1); -#endif + const unsigned char *c1 = v1, *c2 = v2; + int ret = 0; - return tmp; -} + while (n && (ret = *c1 - *c2) == 0) + n--, c1++, c2++; -int openssl_strerror_r(int errnum, char *buf, size_t buflen) -{ -#if defined(_MSC_VER) && _MSC_VER>=1400 - return !strerror_s(buf, buflen, errnum); -#elif defined(_GNU_SOURCE) - return strerror_r(errnum, buf, buflen) != NULL; -#elif (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) - /* - * We can use "real" strerror_r. The OpenSSL version differs in that it - * gives 1 on success and 0 on failure for consistency with other OpenSSL - * functions. Real strerror_r does it the other way around - */ - return !strerror_r(errnum, buf, buflen); -#else - char *err; - /* Fall back to non-thread safe strerror()...its all we can do */ - if (buflen < 2) - return 0; - err = strerror(errnum); - /* Can this ever happen? */ - if (err == NULL) - return 0; - strncpy(buf, err, buflen - 1); - buf[buflen - 1] = '\0'; - return 1; -#endif + return ret; } |