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tcp_transport: Fix case sensitive header comparison

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Closes https://github.com/espressif/esp-idf/issues/3106
This commit is contained in:
Jitin George 2019-03-12 18:46:04 +05:30 committed by bot
parent 6ba62f7b0b
commit 19fd2b3d93
4 changed files with 99 additions and 3 deletions
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3
components/tcp_transport/CMakeLists.txt
View File

@ -2,7 +2,8 @@ set(COMPONENT_SRCS "transport.c"
"transport_ssl.c"
"transport_tcp.c"
"transport_ws.c"
"transport_utils.c")
"transport_utils.c"
"transport_strcasestr.c")
set(COMPONENT_ADD_INCLUDEDIRS "include")

57
components/tcp_transport/transport_strcasestr.c Normal file
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@ -0,0 +1,57 @@
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* The quadratic code is derived from software contributed to Berkeley by
* Chris Torek.
*
* 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.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
*/
/* Linear algorithm Copyright (C) 2008 Eric Blake
* Permission to use, copy, modify, and distribute the linear portion of
* software is freely granted, provided that this notice is preserved.
*/
#include "transport_strcasestr.h"
#include <string.h>
#include <ctype.h>
char *transport_strcasestr(const char *buffer, const char *key)
{
char c, sc;
size_t len;
if ((c = *key++) != 0) {
c = tolower((unsigned char)c);
len = strlen(key);
do {
do {
if ((sc = *buffer++) == 0)
return (NULL);
} while ((char)tolower((unsigned char)sc) != c);
} while (strncasecmp(buffer, key, len) != 0);
buffer--;
}
return ((char *)buffer);
}

38
components/tcp_transport/transport_strcasestr.h Normal file
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@ -0,0 +1,38 @@
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* The quadratic code is derived from software contributed to Berkeley by
* Chris Torek.
*
* 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.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
*/
/* Linear algorithm Copyright (C) 2008 Eric Blake
* Permission to use, copy, modify, and distribute the linear portion of
* software is freely granted, provided that this notice is preserved.
*/
char *transport_strcasestr(const char *buffer, const char *key);

4
components/tcp_transport/transport_ws.c
View File

@ -8,6 +8,7 @@
#include "esp_transport_tcp.h"
#include "esp_transport_ws.h"
#include "esp_transport_utils.h"
#include "transport_strcasestr.h"
#include "mbedtls/base64.h"
#include "mbedtls/sha1.h"
@ -60,10 +61,9 @@ static char *trimwhitespace(const char *str)
return (char *)str;
}
static char *get_http_header(const char *buffer, const char *key)
{
char *found = strstr(buffer, key);
char *found = transport_strcasestr(buffer, key);
if (found) {
found += strlen(key);
char *found_end = strstr(found, "\r\n");