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-rw-r--r--protocols/Telegram/tgl/libevent/sample/hostcheck.c217
1 files changed, 0 insertions, 217 deletions
diff --git a/protocols/Telegram/tgl/libevent/sample/hostcheck.c b/protocols/Telegram/tgl/libevent/sample/hostcheck.c
deleted file mode 100644
index 50709369c0..0000000000
--- a/protocols/Telegram/tgl/libevent/sample/hostcheck.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-/* This file is an amalgamation of hostcheck.c and most of rawstr.c
- from cURL. The contents of the COPYING file mentioned above are:
-
-COPYRIGHT AND PERMISSION NOTICE
-
-Copyright (c) 1996 - 2013, Daniel Stenberg, <daniel@haxx.se>.
-
-All rights reserved.
-
-Permission to use, copy, modify, and distribute this software for any purpose
-with or without fee is hereby granted, provided that the above copyright
-notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN
-NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
-OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of a copyright holder shall not
-be used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization of the copyright holder.
-*/
-
-#include "hostcheck.h"
-#include <string.h>
-
-/* Portable, consistent toupper (remember EBCDIC). Do not use toupper() because
- its behavior is altered by the current locale. */
-static char Curl_raw_toupper(char in)
-{
- switch (in) {
- case 'a':
- return 'A';
- case 'b':
- return 'B';
- case 'c':
- return 'C';
- case 'd':
- return 'D';
- case 'e':
- return 'E';
- case 'f':
- return 'F';
- case 'g':
- return 'G';
- case 'h':
- return 'H';
- case 'i':
- return 'I';
- case 'j':
- return 'J';
- case 'k':
- return 'K';
- case 'l':
- return 'L';
- case 'm':
- return 'M';
- case 'n':
- return 'N';
- case 'o':
- return 'O';
- case 'p':
- return 'P';
- case 'q':
- return 'Q';
- case 'r':
- return 'R';
- case 's':
- return 'S';
- case 't':
- return 'T';
- case 'u':
- return 'U';
- case 'v':
- return 'V';
- case 'w':
- return 'W';
- case 'x':
- return 'X';
- case 'y':
- return 'Y';
- case 'z':
- return 'Z';
- }
- return in;
-}
-
-/*
- * Curl_raw_equal() is for doing "raw" case insensitive strings. This is meant
- * to be locale independent and only compare strings we know are safe for
- * this. See http://daniel.haxx.se/blog/2008/10/15/strcasecmp-in-turkish/ for
- * some further explanation to why this function is necessary.
- *
- * The function is capable of comparing a-z case insensitively even for
- * non-ascii.
- */
-
-static int Curl_raw_equal(const char *first, const char *second)
-{
- while(*first && *second) {
- if(Curl_raw_toupper(*first) != Curl_raw_toupper(*second))
- /* get out of the loop as soon as they don't match */
- break;
- first++;
- second++;
- }
- /* we do the comparison here (possibly again), just to make sure that if the
- loop above is skipped because one of the strings reached zero, we must not
- return this as a successful match */
- return (Curl_raw_toupper(*first) == Curl_raw_toupper(*second));
-}
-
-static int Curl_raw_nequal(const char *first, const char *second, size_t max)
-{
- while(*first && *second && max) {
- if(Curl_raw_toupper(*first) != Curl_raw_toupper(*second)) {
- break;
- }
- max--;
- first++;
- second++;
- }
- if(0 == max)
- return 1; /* they are equal this far */
-
- return Curl_raw_toupper(*first) == Curl_raw_toupper(*second);
-}
-
-/*
- * Match a hostname against a wildcard pattern.
- * E.g.
- * "foo.host.com" matches "*.host.com".
- *
- * We use the matching rule described in RFC6125, section 6.4.3.
- * http://tools.ietf.org/html/rfc6125#section-6.4.3
- */
-
-static int hostmatch(const char *hostname, const char *pattern)
-{
- const char *pattern_label_end, *pattern_wildcard, *hostname_label_end;
- int wildcard_enabled;
- size_t prefixlen, suffixlen;
- pattern_wildcard = strchr(pattern, '*');
- if(pattern_wildcard == NULL)
- return Curl_raw_equal(pattern, hostname) ?
- CURL_HOST_MATCH : CURL_HOST_NOMATCH;
-
- /* We require at least 2 dots in pattern to avoid too wide wildcard
- match. */
- wildcard_enabled = 1;
- pattern_label_end = strchr(pattern, '.');
- if(pattern_label_end == NULL || strchr(pattern_label_end+1, '.') == NULL ||
- pattern_wildcard > pattern_label_end ||
- Curl_raw_nequal(pattern, "xn--", 4)) {
- wildcard_enabled = 0;
- }
- if(!wildcard_enabled)
- return Curl_raw_equal(pattern, hostname) ?
- CURL_HOST_MATCH : CURL_HOST_NOMATCH;
-
- hostname_label_end = strchr(hostname, '.');
- if(hostname_label_end == NULL ||
- !Curl_raw_equal(pattern_label_end, hostname_label_end))
- return CURL_HOST_NOMATCH;
-
- /* The wildcard must match at least one character, so the left-most
- label of the hostname is at least as large as the left-most label
- of the pattern. */
- if(hostname_label_end - hostname < pattern_label_end - pattern)
- return CURL_HOST_NOMATCH;
-
- prefixlen = pattern_wildcard - pattern;
- suffixlen = pattern_label_end - (pattern_wildcard+1);
- return Curl_raw_nequal(pattern, hostname, prefixlen) &&
- Curl_raw_nequal(pattern_wildcard+1, hostname_label_end - suffixlen,
- suffixlen) ?
- CURL_HOST_MATCH : CURL_HOST_NOMATCH;
-}
-
-int Curl_cert_hostcheck(const char *match_pattern, const char *hostname)
-{
- if(!match_pattern || !*match_pattern ||
- !hostname || !*hostname) /* sanity check */
- return 0;
-
- if(Curl_raw_equal(hostname, match_pattern)) /* trivial case */
- return 1;
-
- if(hostmatch(hostname,match_pattern) == CURL_HOST_MATCH)
- return 1;
- return 0;
-}
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