kore/includes/kore.h
Joris Vink c999bf5001 Kore can now disconnect SPDY session if they've been idle too long.
Configurable via spdy_idle_time in your configuration file.

Setting this to 0 will keep SPDY sessions open indefinately.
2013-07-13 20:19:01 +02:00

313 lines
8.7 KiB
C

/*
* Copyright (c) 2013 Joris Vink <joris@coders.se>
*
* 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 __H_KORE_H
#define __H_KORE_H
#include <sys/types.h>
#include <sys/queue.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <errno.h>
#include <regex.h>
#include <syslog.h>
#include <unistd.h>
#include <zlib.h>
#include "spdy.h"
#define KORE_RESULT_ERROR 0
#define KORE_RESULT_OK 1
#define KORE_RESULT_RETRY 2
#define KORE_VERSION_MAJOR 0
#define KORE_VERSION_MINOR 1
#define KORE_VERSION_PATCH 0
#define KORE_NAME_STRING "kore"
#define errno_s strerror(errno)
#define ssl_errno_s ERR_error_string(ERR_get_error(), NULL)
#define KORE_DOMAINNAME_LEN 254
#define KORE_PIDFILE_DEFAULT "/var/run/kore.pid"
#define KORE_DEFAULT_CIPHER_LIST "HIGH:!aNULL:!MD5;"
#define kore_debug(fmt, ...) \
if (kore_debug) \
kore_debug_internal(__FILE__, __LINE__, fmt, ##__VA_ARGS__)
#define NETBUF_RECV 0
#define NETBUF_SEND 1
#define NETBUF_CALL_CB_ALWAYS 0x01
#define NETBUF_FORCE_REMOVE 0x02
struct netbuf {
u_int8_t *buf;
u_int32_t offset;
u_int32_t len;
u_int8_t type;
u_int8_t flags;
void *owner;
void *extra;
int (*cb)(struct netbuf *);
TAILQ_ENTRY(netbuf) list;
};
struct listener {
int fd;
struct sockaddr_in sin;
};
#define CONN_STATE_UNKNOWN 0
#define CONN_STATE_SSL_SHAKE 1
#define CONN_STATE_ESTABLISHED 2
#define CONN_STATE_DISCONNECTING 3
#define CONN_PROTO_UNKNOWN 0
#define CONN_PROTO_SPDY 1
#define CONN_PROTO_HTTP 2
#define CONN_READ_POSSIBLE 0x01
#define CONN_WRITE_POSSIBLE 0x02
#define CONN_WRITE_BLOCK 0x04
#define CONN_IDLE_TIMER_ACT 0x10
#define CONN_READ_BLOCK 0x20
#define KORE_IDLE_TIMER_MAX 20000
struct connection {
int fd;
u_int8_t state;
u_int8_t proto;
struct sockaddr_in sin;
void *owner;
SSL *ssl;
u_int8_t flags;
struct {
u_int64_t length;
u_int64_t start;
} idle_timer;
u_int8_t inflate_started;
z_stream z_inflate;
u_int8_t deflate_started;
z_stream z_deflate;
u_int32_t wsize_initial;
TAILQ_HEAD(, netbuf) send_queue;
TAILQ_HEAD(, netbuf) recv_queue;
u_int32_t client_stream_id;
TAILQ_HEAD(, spdy_stream) spdy_streams;
TAILQ_ENTRY(connection) list;
};
#define HANDLER_TYPE_STATIC 1
#define HANDLER_TYPE_DYNAMIC 2
struct kore_module_handle {
char *path;
char *func;
void *addr;
int type;
int errors;
regex_t rctx;
TAILQ_ENTRY(kore_module_handle) list;
};
struct kore_worker {
u_int8_t id;
u_int8_t cpu;
u_int16_t load;
pid_t pid;
u_int8_t has_lock;
u_int16_t accepted;
u_int16_t accept_treshold;
struct kore_module_handle *active_hdlr;
};
struct kore_domain {
char *domain;
char *certfile;
char *certkey;
int accesslog;
SSL_CTX *ssl_ctx;
TAILQ_HEAD(, kore_module_handle) handlers;
TAILQ_ENTRY(kore_domain) list;
};
TAILQ_HEAD(kore_domain_h, kore_domain);
#define KORE_BUF_INITIAL 128
#define KORE_BUF_INCREMENT KORE_BUF_INITIAL
struct kore_buf {
u_int8_t *data;
u_int32_t length;
u_int32_t offset;
};
struct buf_vec {
u_int8_t *data;
u_int32_t length;
};
extern pid_t kore_pid;
extern int kore_debug;
extern int server_port;
extern char *server_ip;
extern char *chroot_path;
extern char *runas_user;
extern char *kore_module_onload;
extern char *kore_pidfile;
extern char *config_file;
extern char kore_version_string[];
extern char *kore_ssl_cipher_list;
extern u_int64_t spdy_idle_time;
extern u_int32_t meminuse;
extern u_int16_t cpu_count;
extern u_int8_t worker_count;
extern u_int32_t worker_max_connections;
extern u_int32_t worker_active_connections;
extern struct listener server;
extern struct kore_worker *worker;
extern struct kore_domain_h domains;
extern struct kore_domain *primary_dom;
extern struct passwd *pw;
void kore_signal(int);
void kore_worker_wait(int);
void kore_worker_init(void);
void kore_worker_shutdown(void);
void kore_worker_dispatch_signal(int);
void kore_worker_connection_add(struct connection *);
void kore_worker_connection_move(struct connection *);
void kore_worker_connection_remove(struct connection *);
void kore_platform_event_init(void);
void kore_platform_event_wait(void);
void kore_platform_proctitle(char *);
void kore_platform_enable_accept(void);
void kore_platform_disable_accept(void);
void kore_platform_event_schedule(int, int, int, void *);
void kore_platform_worker_setcpu(struct kore_worker *);
void kore_platform_init(void);
void kore_accesslog_init(void);
int kore_accesslog_wait(void);
void kore_worker_spawn(u_int16_t, u_int16_t);
void kore_accesslog_worker_init(void);
void kore_worker_entry(struct kore_worker *);
int kore_ssl_sni_cb(SSL *, int *, void *);
int kore_ssl_npn_cb(SSL *, const u_char **, unsigned int *, void *);
int kore_connection_nonblock(int);
int kore_connection_handle(struct connection *);
void kore_connection_remove(struct connection *);
void kore_connection_disconnect(struct connection *);
void kore_connection_start_idletimer(struct connection *);
void kore_connection_stop_idletimer(struct connection *);
void kore_connection_check_idletimer(u_int64_t, struct connection *);
int kore_connection_accept(struct listener *, struct connection **);
u_int64_t kore_time_ms(void);
void kore_log_init(void);
void *kore_malloc(size_t);
void kore_parse_config(void);
void *kore_calloc(size_t, size_t);
void *kore_realloc(void *, size_t);
void kore_mem_free(void *);
void kore_mem_init(void);
time_t kore_date_to_time(char *);
char *kore_time_to_date(time_t);
char *kore_strdup(const char *);
void kore_log(int, const char *, ...);
void kore_strlcpy(char *, const char *, size_t);
void kore_server_disconnect(struct connection *);
int kore_split_string(char *, char *, char **, size_t);
long long kore_strtonum(const char *, long long, long long, int *);
int kore_base64_encode(u_int8_t *, u_int32_t, char **);
int kore_base64_decode(char *, u_int8_t **, u_int32_t *);
void kore_domain_init(void);
int kore_domain_new(char *);
void kore_module_load(char *);
void kore_module_reload(void);
int kore_module_loaded(void);
void kore_domain_closelogs(void);
void kore_domain_sslstart(struct kore_domain *);
int kore_module_handler_new(char *, char *, char *, int);
struct kore_domain *kore_domain_lookup(const char *);
struct kore_module_handle *kore_module_handler_find(char *, char *);
void fatal(const char *, ...);
void kore_debug_internal(char *, int, const char *, ...);
u_int16_t net_read16(u_int8_t *);
u_int32_t net_read32(u_int8_t *);
void net_write16(u_int8_t *, u_int16_t);
void net_write32(u_int8_t *, u_int32_t);
int net_recv(struct connection *);
int net_send(struct connection *);
int net_send_flush(struct connection *);
int net_recv_flush(struct connection *);
void net_recv_queue(struct connection *, size_t, int,
struct netbuf **, int (*cb)(struct netbuf *));
int net_recv_expand(struct connection *c, struct netbuf *, size_t,
int (*cb)(struct netbuf *));
void net_send_queue(struct connection *, u_int8_t *, size_t, int,
struct netbuf **, int (*cb)(struct netbuf *));
void kore_buf_free(struct kore_buf *);
struct kore_buf *kore_buf_create(u_int32_t);
void kore_buf_append(struct kore_buf *, u_int8_t *, u_int32_t);
u_int8_t *kore_buf_release(struct kore_buf *, u_int32_t *);
void kore_buf_appendf(struct kore_buf *, const char *, ...);
void kore_buf_appendv(struct kore_buf *, struct buf_vec *, u_int16_t);
void kore_buf_appendb(struct kore_buf *, struct kore_buf *);
struct spdy_header_block *spdy_header_block_create(int);
struct spdy_stream *spdy_stream_lookup(struct connection *, u_int32_t);
int spdy_frame_data_done(struct netbuf *);
int spdy_stream_get_header(struct spdy_header_block *,
char *, char **);
int spdy_frame_recv(struct netbuf *);
void spdy_session_teardown(struct connection *c, u_int8_t);
void spdy_frame_send(struct connection *, u_int16_t,
u_int8_t, u_int32_t, struct spdy_stream *, u_int32_t);
void spdy_header_block_add(struct spdy_header_block *,
char *, char *);
u_int8_t *spdy_header_block_release(struct connection *,
struct spdy_header_block *, u_int32_t *);
#endif /* !__H_KORE_H */