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Add custom HTTP header feature for HTTP proxy

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A custom HTTP header can be used to bypass certain restrictions imposed on the network or to avoid speed limitations applied by the QoS.
This commit is contained in:
Davide Beatrici
2018-11-29 20:32:03 +01:00
parent 4be45342b7
commit aefbd2e903
29 changed files with 1665 additions and 120 deletions
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111
src/Mayaqua/Network.c
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@ -20558,7 +20558,7 @@ HTTP_HEADER *RecvHttpHeader(SOCK *s)
str = RecvLine(s, HTTP_HEADER_LINE_MAX_SIZE);
if (str == NULL)
{
goto LABEL_ERROR;
return NULL;
}
// Split into tokens
@ -20569,89 +20569,45 @@ HTTP_HEADER *RecvHttpHeader(SOCK *s)
}
Free(str);
str = NULL;
// Creating a header object
header = NewHttpHeader(token->Token[0], token->Token[1], token->Token[2]);
FreeToken(token);
if (StrCmpi(header->Version, "HTTP/0.9") == 0)
{
// The header ends with this line
FreeToken(token);
return header;
}
// Get the subsequent lines
while (true)
{
UINT pos;
HTTP_VALUE *v;
char *value_name, *value_data;
str = RecvLine(s, HTTP_HEADER_LINE_MAX_SIZE);
if (str == NULL)
{
goto LABEL_ERROR;
}
Trim(str);
if (StrLen(str) == 0)
if (IsEmptyStr(str))
{
// End of header
Free(str);
str = NULL;
break;
}
// Get the position of the colon
pos = SearchStr(str, ":", 0);
if (pos == INFINITE)
if (AddHttpValueStr(header, str) == false)
{
// The colon does not exist
goto LABEL_ERROR;
}
if ((pos + 1) >= StrLen(str))
{
// There is no data
goto LABEL_ERROR;
}
// Divide into the name and the data
value_name = Malloc(pos + 1);
Copy(value_name, str, pos);
value_name[pos] = 0;
value_data = &str[pos + 1];
v = NewHttpValue(value_name, value_data);
if (v == NULL)
{
Free(value_name);
goto LABEL_ERROR;
}
Free(value_name);
AddHttpValue(header, v);
Free(str);
}
FreeToken(token);
return header;
LABEL_ERROR:
// Memory release
if (token)
{
FreeToken(token);
}
if (str)
{
Free(str);
}
if (header)
{
FreeHttpHeader(header);
}
Free(str);
FreeToken(token);
FreeHttpHeader(header);
return NULL;
}
@ -20766,6 +20722,57 @@ void AddHttpValue(HTTP_HEADER *header, HTTP_VALUE *value)
}
}
// Adds the HTTP value contained in the string to the HTTP header
bool AddHttpValueStr(HTTP_HEADER* header, char *string)
{
HTTP_VALUE *value = NULL;
UINT pos = 0;
char *value_name = NULL;
char *value_data = NULL;
// Validate arguments
if (header == NULL || IsEmptyStr(string))
{
return false;
}
// Sanitize string
EnSafeHttpHeaderValueStr(string, ' ');
// Get the position of the colon
pos = SearchStr(string, ":", 0);
if (pos == INFINITE)
{
// The colon does not exist
return false;
}
if ((pos + 1) >= StrLen(string))
{
// There is no data
return false;
}
// Divide into the name and the data
value_name = Malloc(pos + 1);
Copy(value_name, string, pos);
value_name[pos] = 0;
value_data = &string[pos + 1];
value = NewHttpValue(value_name, value_data);
if (value == NULL)
{
Free(value_name);
return false;
}
Free(value_name);
AddHttpValue(header, value);
return true;
}
// Create an HTTP header
HTTP_HEADER *NewHttpHeader(char *method, char *target, char *version)
{