p_header.c

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/**
 * \file
 *
 * \author  Georg Hopp
 *
 * \copyright
 * Copyright © 2012  Georg Hopp
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <string.h>
#include <sys/types.h>

#include "class.h"
#include "http/header.h"
#include "http/parser.h"
#include "http/message.h"
#include "http/request.h"
#include "hash.h"

#include "utils/memory.h"

void
httpParserHeader(
        HttpParser   this,
        const char * line,
        const char * lend)
{
    const char * name    = line;
    char *       value   = memchr(line, ':', lend - line);
    size_t       nname   = (value++) - name;
    HttpMessage  current = this->current;

    if (NULL == value) {
        return;
    }

    for (; *value == ' ' && value < lend; value++);

    if (value == lend) {
        return;
    }

    if (0 == strncasecmp("content-length", name, nname-1)) {
        current->nbody = strtoul(value, NULL, 10);
        if (0 < this->current->nbody) {
            current->body  = memMalloc(current->nbody);
        }
        current->dbody = 0;
    }

    if (0 == strncasecmp("cookie", name, nname-1)) {
        HttpRequest request = (HttpRequest)this->current;
        char *  pair = value;
        ssize_t togo = lend - value;

        while(NULL != pair && 0 < togo) {
            char * key    = pair;
            char * eqsign;
            char * val;
            size_t nval;

            for (; *key == ' ' && key < lend; key++, togo--);
            eqsign = memchr(key, '=', togo);

            if (NULL == eqsign) {
                break;
            }

            togo -= (eqsign - key);
            pair  = memchr(eqsign, ';', togo);

            if (NULL == pair) {
                pair = (char *)lend;
            }

            nval = pair-eqsign-1;
            val  = (0 != nval)? eqsign+1 : NULL;

            hashAdd(request->cookies,
                    new(HashValue, key, eqsign-key, val, nval));

            pair++;
            togo -= (pair - eqsign);
        }
    }

    hashAdd(current->header,
            new(HttpHeader, name, nname, value, lend - value));
}

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