/*
* Copyright (c) 2001-2002 Packet Design, LLC.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty,
* use and redistribution of this software, in source or object code
* forms, with or without modifications are expressly permitted by
* Packet Design; provided, however, that:
*
* (i) Any and all reproductions of the source or object code
* must include the copyright notice above and the following
* disclaimer of warranties; and
* (ii) No rights are granted, in any manner or form, to use
* Packet Design trademarks, including the mark "PACKET DESIGN"
* on advertising, endorsements, or otherwise except as such
* appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
* THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
* OR NON-INFRINGEMENT. PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
* OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
* OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
* RELIABILITY OR OTHERWISE. IN NO EVENT SHALL PACKET DESIGN BE
* LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
* OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
* DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
* USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 PACKET DESIGN IS ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* Author: Archie Cobbs <archie@freebsd.org>
*/
#ifndef _PDEL_HTTP_HTTP_INTERNAL_H_
#define _PDEL_HTTP_HTTP_INTERNAL_H_
#include "debug/debug.h"
#ifndef __FreeBSD__
#define __printflike(x,y)
#endif
/* HTTP connection */
struct http_connection {
void *owner; /* owner (server or client) */
struct http_request *req; /* request structure */
struct http_response *resp; /* response structure */
struct in_addr local_ip; /* local host ip */
u_int16_t local_port; /* local host port */
struct in_addr remote_ip; /* remote host ip */
u_int16_t remote_port; /* remote host port */
FILE *fp; /* connection to peer */
pthread_t tid; /* connection thread id */
u_char keep_alive; /* connection keep-alive */
u_char server; /* we are server (not client) */
u_char proxy; /* proxy request/response */
u_char started; /* conn. thread has started */
LIST_ENTRY(http_connection) next; /* next in connection list */
http_logger_t *logger; /* error logging routine */
SSL_CTX *ssl; /* ssl context, if doing ssl */
int sock; /* socket cached */
};
/* HTTP request name, value pair */
struct http_nvp {
char *name;
char *value;
};
/* HTTP request/response common info */
struct http_message {
struct http_connection *conn; /* associated connection */
struct http_head *head; /* headers */
char *host; /* decoded url host */
char *path; /* decoded url pathname */
char *query; /* encoded query string */
FILE *input; /* entity input stream */
u_int input_len; /* input length, or UINT_MAX */
u_int input_read; /* input length read so far */
FILE *output; /* entity output stream */
u_char *output_buf; /* buffered output, if any */
int output_len; /* buffered output length */
u_char buffered; /* output is buffered */
u_char no_headers; /* don't send any headers */
u_char hdrs_sent; /* header was sent */
u_char no_body; /* no entity data is allowed */
u_char skip_body; /* no entity data to be sent */
};
/* HTTP request */
struct http_request {
struct http_message *msg; /* common req/reply info */
int num_nvp; /* number of n-v pairs */
struct http_nvp *nvp; /* name, value pairs */
char *username; /* authorization username */
char *password; /* authorization password */
};
/* HTTP response */
struct http_response {
struct http_message *msg; /* common req/reply info */
u_int code; /* http response code */
};
__BEGIN_DECLS
/*
* http_head methods
*/
extern struct http_head *_http_head_new(void);
extern int _http_head_read(struct http_head *head, FILE *fp, int req);
extern int _http_head_read_headers(struct http_head *head, FILE *fp);
extern int _http_head_write(struct http_head *head, FILE *fp);
extern struct http_head *_http_head_copy(struct http_head *head);
extern void _http_head_reset(struct http_head *head);
extern void _http_head_free(struct http_head **headp);
extern const char *_http_head_get(struct http_head *head, const char *name);
extern int _http_head_get_headers(struct http_head *head,
const char **names, size_t max_names);
extern int _http_head_set(struct http_head *head, int append,
const char *name, const char *valfmt, ...)
__printflike(4, 5);
extern int _http_head_vset(struct http_head *head, int append,
const char *name, const char *valfmt, va_list args);
extern int _http_head_num_headers(struct http_head *head);
extern int _http_head_get_by_index(struct http_head *head, u_int index,
const char **namep, const char **valuep);
extern int _http_head_remove(struct http_head *head, const char *name);
extern int _http_head_err_response(struct http_head **headp, int code);
extern int _http_head_has_anything(struct http_head *head);
extern int _http_head_want_keepalive(struct http_head *head);
/*
* http_request methods
*/
extern int _http_request_new(struct http_connection *conn);
extern int _http_request_read(struct http_connection *conn);
extern void _http_request_free(struct http_request **reqp);
/*
* http_response methods
*/
extern int _http_response_new(struct http_connection *conn);
extern int _http_response_read(struct http_connection *conn,
char *errbuf, int size);
extern void _http_response_free(struct http_response **respp);
/*
* http_message methods
*/
extern struct http_message *_http_message_new(void);
extern void _http_message_free(struct http_message **msgp);
extern int _http_message_read(struct http_message *msg, int req);
extern FILE *_http_message_get_output(struct http_message *msg, int buffer);
extern struct in_addr _http_message_get_remote_ip(struct http_message *msg);
extern u_int16_t _http_message_get_remote_port(struct http_message *msg);
extern int _http_message_has_anything(struct http_message *msg);
extern void _http_message_send_headers(struct http_message *msg,
int unbuffer);
extern void _http_message_send_body(struct http_message *msg);
extern int _http_message_vset_header(struct http_message *msg, int append,
const char *name, const char *valfmt, va_list args);
extern int _http_message_remove_header(struct http_message *msg,
const char *name);
extern const char *_http_message_connection_header(struct http_message *msg);
extern int _http_message_get_raw_socket(struct http_message *msg);
/*
* http_connection methods
*/
extern struct http_connection *_http_connection_create(FILE *fp, int sock,
int server, struct in_addr ip, u_int16_t port,
SSL_CTX *ssl, http_logger_t *logger, u_int timeout);
extern void _http_connection_free(struct http_connection **connp);
/*
* Client connection caching functions
*/
extern struct http_connection_cache *_http_connection_cache_create(
struct pevent_ctx *ctx, u_int max_num, u_int max_idle);
extern void _http_connection_cache_destroy(
struct http_connection_cache **cachep);
extern int _http_connection_cache_get(struct http_connection_cache *cache,
const struct sockaddr_in *peer, const SSL_CTX *ssl,
FILE **fpp, int *sockp);
extern int _http_connection_cache_put(struct http_connection_cache *cache,
const struct sockaddr_in *peer, const SSL_CTX *ssl,
FILE *fp, int sock);
/*
* Misc
*/
extern void _http_ssl_init(void);
__END_DECLS
#endif /* _PDEL_HTTP_HTTP_INTERNAL_H_ */
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