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/* $OpenBSD: server_file.c,v 1.1 2014/07/12 23:34:54 reyk Exp $ */
/*
* Copyright (c) 2006 - 2014 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/tree.h>
#include <sys/hash.h>
#include <net/if.h>
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <err.h>
#include <event.h>
#include <openssl/ssl.h>
#include "httpd.h"
#include "http.h"
int
server_response(struct httpd *env, struct client *clt)
{
struct http_descriptor *desc = clt->clt_desc;
struct server *srv = clt->clt_server;
struct kv *ct, *cl;
struct media_type *media;
const char *errstr = NULL;
int fd = -1;
char path[MAXPATHLEN];
struct stat st;
if (desc->http_path == NULL)
goto fail;
/*
* XXX This is not ready XXX
* XXX Don't expect anything from this code yet,
*/
strlcpy(path, "/htdocs", sizeof(path));
if (desc->http_path[0] != '/')
strlcat(path, "/", sizeof(path));
strlcat(path, desc->http_path, sizeof(path));
if (desc->http_path[strlen(desc->http_path) - 1] == '/')
strlcat(path, "index.html", sizeof(path));
if (access(path, R_OK) == -1) {
switch (errno) {
case EACCES:
server_abort_http(clt, 403, path);
break;
case ENOENT:
server_abort_http(clt, 404, path);
break;
default:
server_abort_http(clt, 500, path);
break;
}
return (-1);
}
if ((fd = open(path, O_RDONLY)) == -1 || fstat(fd, &st) == -1)
goto fail;
kv_purge(&desc->http_headers);
/* Add error codes */
if (kv_setkey(&desc->http_pathquery, "200") == -1 ||
kv_set(&desc->http_pathquery, "%s",
server_httperror_byid(200)) == -1)
goto fail;
/* Add headers */
if (kv_add(&desc->http_headers, "Server", HTTPD_SERVERNAME) == NULL ||
kv_add(&desc->http_headers, "Connection", "close") == NULL ||
(ct = kv_add(&desc->http_headers, "Content-Type", NULL)) == NULL ||
(cl = kv_add(&desc->http_headers, "Content-Length", NULL)) == NULL)
goto fail;
/* Set content type */
media = media_find(env->sc_mediatypes, path);
if (kv_set(ct, "%s/%s",
media == NULL ? "application" : media->media_type,
media == NULL ? "octet-stream" : media->media_subtype) == -1)
goto fail;
/* Set content length */
if (kv_set(cl, "%ld", st.st_size) == -1)
goto fail;
if (server_writeresponse_http(clt) == -1 ||
server_bufferevent_print(clt, "\r\n") == -1 ||
server_writeheader_http(clt) == -1 ||
server_bufferevent_print(clt, "\r\n") == -1)
goto fail;
clt->clt_fd = fd;
clt->clt_file = bufferevent_new(clt->clt_fd, server_read,
server_write, server_error, clt);
if (clt->clt_file == NULL) {
errstr = "failed to allocate file buffer event";
goto fail;
}
bufferevent_settimeout(clt->clt_file,
srv->srv_conf.timeout.tv_sec, srv->srv_conf.timeout.tv_sec);
bufferevent_enable(clt->clt_file, EV_READ|EV_WRITE);
return (0);
fail:
if (errstr == NULL)
errstr = strerror(errno);
server_abort_http(clt, 500, errstr);
return (-1);
}
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