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/*
* Copyright (c) 2021 Matthias Schmidt <xhr@giessen.ccc.de>
*
* 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.
*/
#ifndef _TWIND_H
#define _TWIND_H
#include <netinet/in.h>
#include <openssl/ssl.h>
#include <signal.h>
#define VERSION "2021.a"
#define MAXREQLEN 1025
#define _PATH_TWIND_ACCESS_LOG "logs/access.log"
#define _PATH_TWIND_ERROR_LOG "logs/error.log"
enum status_codes {
STATUS_INPUT = 10,
STATUS_SENSITIVE_INPUT = 11,
STATUS_SUCCESS = 20,
STATUS_REDIRECT_TEMP = 30,
STATUS_REDIRECT_PERM = 31,
STATUS_TEMP_UNAVAILABLE = 40,
STATUS_SERVER_UNAVAILABLE = 41,
STATUS_CGI_ERROR = 42,
STATUS_PROXY_ERROR = 43,
STATUS_SLOW_DOWN = 44,
STATUS_PERM_FAILURE = 50,
STATUS_NOT_FOUND = 51,
STATUS_GONE = 52,
STATUS_PROXY_REQUEST_REFUSED = 53,
STATUS_BAD_REQUEST = 59,
STATUS_CLIENT_CERT_REQUIRED = 60,
STATUS_CERT_NOT_AUTHORIZED = 61,
STATUS_CERT_NOT_VALID = 62,
};
struct client_connection {
SSL *ssl_peer;
char client_addr[INET6_ADDRSTRLEN];
};
static volatile sig_atomic_t reload_log_files = 0;
/* gemini.c */
int check_gemini_file(const char *);
int send_response(SSL*, int, const char *, const char *);
int send_non_success_response(SSL*, int);
/* request.c */
int get_path_from_request(char *, char *);
/* mime.c */
char* get_file_extension(const char*);
char* get_mime_type(const char *);
/* util.c */
void* xmalloc(size_t);
char* xstrdup(const char *);
size_t strlcpy(char *, const char *, size_t);
/* log.c */
void open_twind_logs(void);
void close_twind_logs(void);
void log_access(const struct client_connection *, const char *, ...);
void log_error(const struct client_connection *, const char *, ...);
void user_log(int, const char *, ...);
#endif
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