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 "error.h"
#include <ucx/string.h>
#include "../util/pblock.h"
#include "../util/strbuf.h"
// macro for creating an error string (ucx sstr_t)
#define ERRMSG(s) { s, sizeof(s)-1 }
static sstr_t error_400 = ERRMSG("<html><body>bad request</body></html>");
static sstr_t error_403 = ERRMSG("<html><body>forbidden</body></html>");
static sstr_t error_404 = ERRMSG("<html><body>not found</body></html>");
static sstr_t error_500 = ERRMSG("<html><body>server error</body></html>");
static sstr_t error_503 = ERRMSG("<html><body>service unavailable</body></html>");
static sstr_t error_std = ERRMSG("<html><body>error</body></html>");
int nsapi_error_request(Session *sn, Request *rq) {
short status = rq->status_num;
sstr_t msg;
if(status < 400) {
msg.ptr = NULL;
msg.length = 0;
} else {
switch(status) {
default: msg = error_std;
case 403: {
msg = error_403;
break;
}
case 404: {
msg = error_404;
break;
}
case 500: {
msg = error_500;
break;
}
}
}
pblock_removekey(pb_key_content_type, rq->srvhdrs);
pblock_removekey(pb_key_content_length, rq->srvhdrs);
pblock_kninsert(pb_key_content_length, msg.length, rq->srvhdrs);
pblock_nvinsert("content-type", "text/html", rq->srvhdrs);
http_start_response(sn, rq);
if(msg.length > 0) {
net_write(sn->csd, msg.ptr, msg.length);
}
return REQ_PROCEED;
}
void fatal_error(HTTPRequest *req, int status) {
sstr_t msg = error_500;
char *statusmsg = "Internal Server Error";
switch(status) {
case 400: {
msg = error_400;
statusmsg = "Bad request";
break;
}
case 500: {
msg = error_500;
statusmsg = "Internal Server Error";
break;
}
case 503: {
msg = error_503;
statusmsg = "Service Unavailable";
break;
}
}
char buf[512];
int len = snprintf(buf, 512, "HTTP/1.1 %d %s\r\nServer: webserver\r\nContent-type: text/html\r\nContent-length: %zd\r\n\r\n", status, statusmsg, msg.length);
// set socket blocking
int flags;
if (-1 == (flags = fcntl(req->connection->fd, F_GETFL, 0))) {
flags = 0;
}
if (fcntl(req->connection->fd, F_SETFL, flags & ~O_NONBLOCK) != 0) {
// error
}
req->connection->write(req->connection, buf, len);
req->connection->write(req->connection, msg.ptr, msg.length);
}