Makefile- acl.c
- acl.h
- acldata.c
- acldata.h
- auth.c
- auth.h
- config.c
- config.h
- configmanager.c
- configmanager.h
- error.c
- error.h
- event.c
- event.h
- event_bsd.c
- event_bsd.h
- event_linux.c
- event_linux.h
- event_solaris.c
- event_solaris.h
- func.c
- func.h
- http.c
- http.h
- httplistener.c
- httplistener.h
- httpparser.c
- httpparser.h
- httprequest.c
- httprequest.h
- keyfile_auth.c
- keyfile_auth.h
- ldap_auth.c
- ldap_auth.h
- log.c
- log.h
- main.c
- netsite.h
- objs.mk
- protocol.c
- protocol.h
- request.c
- request.h
- session.c
- session.h
- sessionhandler.c
- sessionhandler.h
- srvctrl.c
- srvctrl.h
- threadpools.c
- threadpools.h
- vfs.c
- vfs.h
- vserver.c
- vserver.h
- webserver.c
- webserver.h
- websocket.c
- websocket.h
- ws-fn.c
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2013 Olaf Wintermann. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include "httpparser.h"
#include "../public/nsapi.h"
//include "request.h"
HttpParser* http_parser_new(HTTPRequest *request) {
HttpParser *parser = calloc(1, sizeof(HttpParser));
parser->request = request;
parser->state = 0;
parser->start_line.ptr = (char*)request->netbuf->inbuf;
parser->start_line.length = 0;
parser->offset = 0;
return parser;
}
void http_parser_free(HttpParser *parser) {
free(parser);
}
int http_parser_process(HttpParser *parser) {
switch(parser->state) {
case 0: {
int r = get_start_line(parser);
switch(r) {
case 0: break;
default: return r;
}
parse_request_line(parser);
parser->state++;
}
case 1: {
return http_parser_parse_header(parser);
}
case 2: {
return 0;
}
}
return -1;
}
int http_parser_validate(HttpParser *parser) {
HTTPRequest *req = parser->request;
if(
!req->method.ptr || req->method.length == 0
|| !req->uri.ptr || req->uri.length == 0
|| !req->httpv.ptr || req->httpv.length == 0)
{
return 0;
}
return 1;
}
int get_start_line(HttpParser *parser) {
netbuf *buf = parser->request->netbuf;
while(buf->pos < buf->cursize) {
unsigned char c = buf->inbuf[buf->pos];
if(c == '\n') {
size_t lnlen = buf->pos - parser->offset + 1;
if(lnlen <= 2) {
if(lnlen == 1 || buf->inbuf[buf->pos-1] == '\r') {
// skip empty line
buf->pos++;
parser->offset = buf->pos;
return 1;
}
// insufficient chars for request, return error
return 2;
}
if(buf->inbuf[buf->pos - 1] == '\r') {
parser->start_line.length = lnlen - 1;
} else {
parser->start_line.length = lnlen;
}
parser->start_line.ptr = (char*)buf->inbuf + parser->offset;
buf->pos++;
return 0;
}
buf->pos++;
}
return 1;
}
int http_parser_parse_header(HttpParser *parser) {
netbuf *buf = parser->request->netbuf;
parser->offset = buf->pos; // line offset
parser->name.ptr = NULL;
parser->name.length = 0;
parser->value.ptr = NULL;
parser->value.length = 0;
while(1) {
if(buf->pos >= buf->cursize) {
return 1;
}
char c = (char)buf->inbuf[buf->pos++];
if(c > 32) {
parser->wl = 0;
if(c == ':' && parser->value.ptr == NULL) {
parser->name.ptr = (char*)buf->inbuf + parser->offset;
parser->name.length = buf->pos - parser->offset - 1;
} else if(parser->name.ptr != NULL && parser->value.ptr == NULL) {
parser->value.ptr = (char*)buf->inbuf + buf->pos - 1;
}
} else if(c == '\n') {
if(parser->wl) {
// line contains only white space -> end of request
parser->state++;
return 0;
} else {
parser->offset = buf->pos;
if(parser->name.length != 0) {
if(parser->value.ptr) {
parser->value.length = (buf->inbuf + buf->pos - 1)
- (unsigned char*)parser->value.ptr;
if(buf->inbuf[buf->pos-2] == '\r') {
parser->value.length--;
}
} else {
parser->value.ptr = "";
}
// add header
header_add(
parser->request->headers,
parser->name,
parser->value);
} else {
// error: no value
return 2;
}
parser->name.ptr = NULL;
parser->value.ptr = NULL;
parser->name.length = 0;
parser->value.length = 0;
parser->wl = 1;
}
}
}
}
int parse_request_line(HttpParser *parser) {
sstr_t line = parser->start_line;
parser->request->request_line = line;
/*
* parse method, url and http version
*/
int i = 0;
int ns = 0;
parser->request->method.ptr = line.ptr;
for(;i<line.length;i++) {
if(!ns && line.ptr[i] == ' ') {
ns = 1;
//line.ptr[i] = 0; // TODO: remove
parser->request->method.length = i;
} else if(ns) {
if(line.ptr[i] != ' ') {
break;
}
}
}
parser->request->uri.ptr = line.ptr + i;
ns = 0;
int s = i;
for(;i<line.length;i++) {
if(!ns && line.ptr[i] < 33) {
ns = 1;
//line.ptr[i] = 0; // TODO: remove
parser->request->uri.length = i - s;
} else if(ns) {
if(line.ptr[i] > 32) {
break;
}
}
}
parser->request->httpv.ptr = line.ptr + i;
ns = 0;
s = i;
for(;i<line.length;i++) {
if(!ns && line.ptr[i] < 33) {
ns = 1;
//line.ptr[i] = 0; // TODO: remove
parser->request->httpv.length = i - s;
} else if(ns) {
if(line.ptr[i] > 32) {
break;
}
}
}
return 0;
}