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/*
* uhttpd - Tiny single-threaded httpd - Utility header
*
* Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _UHTTPD_UTILS_
#include <stdarg.h>
#include <fcntl.h>
#include <pwd.h>
#include <sys/stat.h>
#include <libubox/uloop.h>
#ifdef HAVE_SHADOW
#include <shadow.h>
#endif
#define min(x, y) (((x) < (y)) ? (x) : (y))
#define max(x, y) (((x) > (y)) ? (x) : (y))
#define array_size(x) \
(sizeof(x) / sizeof(x[0]))
#define foreach_header(i, h) \
for( i = 0; (i + 1) < (sizeof(h) / sizeof(h[0])) && h[i]; i += 2 )
#define fd_cloexec(fd) \
fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC)
#define fd_nonblock(fd) \
fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_NONBLOCK)
#define ensure_out(x) \
do { if((x) < 0) goto out; } while(0)
#define ensure_ret(x) \
do { if((x) < 0) return -1; } while(0)
struct path_info {
char *root;
char *phys;
char *name;
char *info;
char *query;
int redirected;
struct stat stat;
};
const char * sa_straddr(void *sa);
const char * sa_strport(void *sa);
int sa_port(void *sa);
int sa_rfc1918(void *sa);
char *strfind(char *haystack, int hslen, const char *needle, int ndlen);
bool uh_socket_wait(int fd, int sec, bool write);
int uh_raw_send(int fd, const char *buf, int len, int seconds);
int uh_raw_recv(int fd, char *buf, int len, int seconds);
int uh_tcp_send(struct client *cl, const char *buf, int len);
int uh_tcp_send_lowlevel(struct client *cl, const char *buf, int len);
int uh_tcp_recv(struct client *cl, char *buf, int len);
int uh_tcp_recv_lowlevel(struct client *cl, char *buf, int len);
int uh_http_sendhf(struct client *cl, int code, const char *summary,
const char *fmt, ...);
#define uh_http_response(cl, code, message) \
uh_http_sendhf(cl, code, message, message)
int uh_http_sendc(struct client *cl, const char *data, int len);
int uh_http_sendf(
struct client *cl, struct http_request *req,
const char *fmt, ...
);
int uh_http_send(
struct client *cl, struct http_request *req,
const char *buf, int len
);
int uh_urldecode(char *buf, int blen, const char *src, int slen);
int uh_urlencode(char *buf, int blen, const char *src, int slen);
int uh_b64decode(char *buf, int blen, const unsigned char *src, int slen);
struct auth_realm * uh_auth_add(char *path, char *user, char *pass);
int uh_auth_check(
struct client *cl, struct http_request *req, struct path_info *pi
);
struct path_info * uh_path_lookup(struct client *cl, const char *url);
struct listener * uh_listener_add(int sock, struct config *conf);
struct listener * uh_listener_lookup(int sock);
struct client * uh_client_add(int sock, struct listener *serv,
struct sockaddr_in6 *peer);
struct client * uh_client_lookup(int sock);
#define uh_client_error(cl, code, status, ...) do { \
uh_http_sendhf(cl, code, status, __VA_ARGS__); \
uh_client_shutdown(cl); \
} while(0)
void uh_client_shutdown(struct client *cl);
void uh_client_remove(struct client *cl);
void uh_ufd_add(struct uloop_fd *u, uloop_fd_handler h, unsigned int ev);
void uh_ufd_remove(struct uloop_fd *u);
#ifdef HAVE_CGI
struct interpreter * uh_interpreter_add(const char *extn, const char *path);
struct interpreter * uh_interpreter_lookup(const char *path);
#endif
#endif
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