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authorWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
committerWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
commitaa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch)
tree4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /openssl-1.1.0h/crypto/o_str.c
downloadsmtps-and-pop3s-console-program-master.tar.gz
smtps-and-pop3s-console-program-master.zip
initial/final commitHEADmaster
Diffstat (limited to 'openssl-1.1.0h/crypto/o_str.c')
-rw-r--r--openssl-1.1.0h/crypto/o_str.c251
1 files changed, 251 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/o_str.c b/openssl-1.1.0h/crypto/o_str.c
new file mode 100644
index 0000000..528655a
--- /dev/null
+++ b/openssl-1.1.0h/crypto/o_str.c
@@ -0,0 +1,251 @@
+/*
+ * Copyright 2003-2016 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 <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;
+
+ 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;
+}
+
+size_t OPENSSL_strlcpy(char *dst, const char *src, size_t size)
+{
+ size_t l = 0;
+ for (; size > 1 && *src; size--) {
+ *dst++ = *src++;
+ l++;
+ }
+ 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':
+ return 0;
+ case '1':
+ 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;
+}
+
+/*
+ * Give a string of hex digits convert to a buffer
+ */
+unsigned char *OPENSSL_hexstr2buf(const char *str, long *len)
+{
+ 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;
+}
+
+/*
+ * 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)
+{
+ static const 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
+
+ return tmp;
+}
+
+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 (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) || \
+ (defined(_XOPEN_SOURCE) && _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
+}