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/******************************************************************
* $Id: nanohttp-url.c,v 1.2 2006/12/10 19:21:07 m0gg Exp $
*
* CSOAP Project: A http client/server library in C
* Copyright (C) 2003 Ferhat Ayaz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Email: ayaz@jprogrammer.net
******************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#include "nanohttp-logging.h"
#include "nanohttp-error.h"
#include "nanohttp-url.h"
#define HTTP_DEFAULT_PORT 80
#define HTTPS_DEFAULT_PORT 443
static void
_hurl_dump(const struct hurl_t *url)
{
if (!url)
{
log_error1("parameter url is NULL");
return;
}
log_verbose2("PROTOCOL: %d", url->protocol);
log_verbose2(" HOST: \"%s\"", url->host);
log_verbose2(" PORT: %d", url->port);
log_verbose2(" CONTEXT: \"%s\"", url->context);
return;
}
herror_t
hurl_parse(struct hurl_t *url, const char *urlstr)
{
int iprotocol;
int ihost;
int iport;
int len;
int size;
char tmp[8];
char protocol[1024];
struct servent *entry;
iprotocol = 0;
len = strlen(urlstr);
/* find protocol */
while (urlstr[iprotocol] != ':' && urlstr[iprotocol] != '\0')
{
iprotocol++;
}
if (iprotocol == 0)
{
log_error1("no protocol");
return herror_new("hurl_parse", URL_ERROR_NO_PROTOCOL, "No protocol");
}
if (iprotocol + 3 >= len)
{
log_error1("no host");
return herror_new("hurl_parse", URL_ERROR_NO_HOST, "No host");
}
if (urlstr[iprotocol] != ':'
&& urlstr[iprotocol + 1] != '/' && urlstr[iprotocol + 2] != '/')
{
log_error1("no protocol");
return herror_new("hurl_parse", URL_ERROR_NO_PROTOCOL, "No protocol");
}
/* find host */
ihost = iprotocol + 3;
while (urlstr[ihost] != ':'
&& urlstr[ihost] != '/' && urlstr[ihost] != '\0')
{
ihost++;
}
if (ihost == iprotocol + 1)
{
log_error1("no host");
return herror_new("hurl_parse", URL_ERROR_NO_HOST, "No host");
}
/* find port */
iport = ihost;
if (ihost + 1 < len)
{
if (urlstr[ihost] == ':')
{
while (urlstr[iport] != '/' && urlstr[iport] != '\0')
{
iport++;
}
}
}
/* find protocol */
strncpy(protocol, urlstr, iprotocol);
protocol[iprotocol] = '\0';
if (!strncasecmp(protocol, "http", 5))
url->protocol = PROTOCOL_HTTP;
else if (!strncasecmp(protocol, "https", 6))
url->protocol = PROTOCOL_HTTPS;
else
return herror_new("hurl_parse", URL_ERROR_UNKNOWN_PROTOCOL, "Unknown protocol \"%s\"", protocol);
/* find right port */
if (!(entry = getservbyname(protocol, "tcp")))
{
log_warn2("getservbyname(\"%s\", \"tcp\") returned NULL, please edit services database", protocol);
switch (url->protocol)
{
case PROTOCOL_HTTP:
url->port = HTTP_DEFAULT_PORT;
break;
case PROTOCOL_HTTPS:
url->port = HTTPS_DEFAULT_PORT;
break;
}
}
else
{
url->port = ntohs(entry->s_port);
}
size = ihost - iprotocol - 3;
if (!(url->host = (char *)malloc(size + 1)))
{
log_error2("malloc failed (%s)", strerror(errno));
return herror_new("hurl_parse", URL_ERROR, "malloc failed (%s)", strerror(errno));
}
strncpy(url->host, &urlstr[iprotocol + 3], size);
url->host[size] = '\0';
if (iport > ihost)
{
size = iport - ihost;
strncpy(tmp, &urlstr[ihost + 1], size);
url->port = atoi(tmp);
}
/* find path */
len = strlen(urlstr);
if (len > iport)
{
size = len - iport;
if (!(url->context = (char *)malloc(size + 1)))
{
log_error2("malloc failed (%s)", strerror(errno));
return herror_new("hurl_parse", URL_ERROR, "malloc failed (%s)", strerror(errno));
}
strncpy(url->context, &urlstr[iport], size);
url->context[size] = '\0';
}
else
{
url->context = strdup("");
}
_hurl_dump(url);
return H_OK;
}
void
hurl_free(struct hurl_t *url)
{
if (url)
{
if (url->host)
free(url->host);
if (url->context)
free(url->context);
free(url);
}
return;
}
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