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NetBSD/libexec/httpd/bozohttpd.h

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/* $NetBSD: bozohttpd.h,v 1.14 2010/06/17 19:43:30 mrg Exp $ */
/* $eterna: bozohttpd.h,v 1.35 2010/06/17 00:49:30 mrg Exp $ */
/*
* Copyright (c) 1997-2010 Matthew R. Green
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer and
* dedication in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON 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 ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef BOZOHTTOPD_H_
#define BOZOHTTOPD_H_ 1
#include <sys/queue.h>
#include <sys/stat.h>
#include <stdio.h>
/* lots of "const" but gets free()'ed etc at times, sigh */
/* headers */
typedef struct bozoheaders {
/*const*/ char *h_header;
/*const*/ char *h_value; /* this gets free()'ed etc at times */
SIMPLEQ_ENTRY(bozoheaders) h_next;
} bozoheaders_t;
typedef struct bozo_content_map_t {
const char *name; /* postfix of file */
size_t namelen; /* length of postfix */
const char *type; /* matching content-type */
const char *encoding; /* matching content-encoding */
const char *encoding11; /* matching content-encoding (HTTP/1.1) */
const char *cgihandler; /* optional CGI handler */
} bozo_content_map_t;
/* this struct holds the bozo constants */
typedef struct bozo_consts_t {
const char *http_09; /* "HTTP/0.9" */
const char *http_10; /* "HTTP/1.0" */
const char *http_11; /* "HTTP/1.1" */
const char *text_plain; /* "text/plain" */
} bozo_consts_t;
/* this structure encapsulates all the bozo flags and control vars */
typedef struct bozohttpd_t {
char *rootdir; /* root directory */
char *username; /* username to switch to */
int numeric; /* avoid gethostby*() */
char *virtbase; /* virtual directory base */
int unknown_slash; /* unknown vhosts go to normal slashdir */
int untrustedref; /* make sure referrer = me unless url = / */
int logstderr; /* log to stderr (even if not tty) */
int background; /* drop into daemon mode */
int foreground; /* keep daemon mode in foreground */
size_t page_size; /* page size */
char *slashdir; /* www slash directory */
char *bindport; /* bind port; default "http" */
char *bindaddress; /* address for binding - INADDR_ANY */
int debug; /* debugging level */
char *virthostname; /* my name */
const char *server_software;/* our brand :-) */
const char *index_html; /* our home page */
const char *public_html; /* ~user/public_html page */
int enable_users; /* enable public_html */
int *sock; /* bound sockets */
int nsock; /* number of above */
struct pollfd *fds; /* current poll fd set */
int request_times; /* # times a request was processed */
int dir_indexing; /* handle directories */
int hide_dots; /* hide .* */
int process_cgi; /* use the cgi handler */
char *cgibin; /* cgi-bin directory */
void *sslinfo; /* pointer to ssl struct */
int dynamic_content_map_size;/* size of dyn cont map */
bozo_content_map_t *dynamic_content_map;/* dynamic content map */
size_t mmapsz; /* size of region to mmap */
char *getln_buffer; /* space for getln buffer */
ssize_t getln_buflen; /* length of allocated space */
char *errorbuf; /* no dynamic allocation allowed */
bozo_consts_t consts; /* various constants */
} bozohttpd_t;
/* bozo_httpreq_t */
typedef struct bozo_httpreq_t {
bozohttpd_t *hr_httpd;
int hr_method;
#define HTTP_GET 0x01
#define HTTP_POST 0x02
#define HTTP_HEAD 0x03
#define HTTP_OPTIONS 0x04 /* not supported */
#define HTTP_PUT 0x05 /* not supported */
#define HTTP_DELETE 0x06 /* not supported */
#define HTTP_TRACE 0x07 /* not supported */
#define HTTP_CONNECT 0x08 /* not supported */
const char *hr_methodstr;
char *hr_file;
char *hr_oldfile; /* if we added an index_html */
char *hr_query;
const char *hr_proto;
const char *hr_content_type;
const char *hr_content_length;
const char *hr_allow;
const char *hr_host; /* HTTP/1.1 Host: */
const char *hr_referrer;
const char *hr_range;
const char *hr_if_modified_since;
int hr_have_range;
off_t hr_first_byte_pos;
off_t hr_last_byte_pos;
/*const*/ char *hr_remotehost;
/*const*/ char *hr_remoteaddr;
/*const*/ char *hr_serverport;
#ifdef DO_HTPASSWD
/*const*/ char *hr_authrealm;
/*const*/ char *hr_authuser;
/*const*/ char *hr_authpass;
#endif
SIMPLEQ_HEAD(, bozoheaders) hr_headers;
int hr_nheaders;
} bozo_httpreq_t;
/* structure to hold string based (name, value) pairs with preferences */
typedef struct bozoprefs_t {
unsigned size; /* size of the two arrays */
unsigned c; /* # of entries in arrays */
char **name; /* names of each entry */
char **value; /* values for the name entries */
} bozoprefs_t;
/* write in upto 64KiB chunks, and mmap in upto 64MiB chunks */
#define BOZO_WRSZ (64 * 1024)
#define BOZO_MMAPSZ (BOZO_WRSZ * 1024)
/* debug flags */
#define DEBUG_NORMAL 1
#define DEBUG_FAT 2
#define DEBUG_OBESE 3
#define DEBUG_EXPLODING 4
#define strornull(x) ((x) ? (x) : "<null>")
#ifdef DEBUG
void debug__(bozohttpd_t *, int, const char *, ...)
__attribute__((__format__(__printf__, 3, 4)));
#define debug(x) debug__ x
#else
#define debug(x)
#endif /* DEBUG */
void bozo_warn(bozohttpd_t *, const char *, ...)
__attribute__((__format__(__printf__, 2, 3)));
void bozo_err(bozohttpd_t *, int, const char *, ...)
__attribute__((__format__(__printf__, 3, 4)))
__attribute__((__noreturn__));
int bozo_http_error(bozohttpd_t *, int, bozo_httpreq_t *, const char *);
int bozo_check_special_files(bozo_httpreq_t *, const char *);
char *bozo_http_date(char *, size_t);
void bozo_print_header(bozo_httpreq_t *, struct stat *, const char *, const char *);
char *bozodgetln(bozohttpd_t *, int, ssize_t *, ssize_t (*)(bozohttpd_t *, int, void *, size_t));
char *bozostrnsep(char **, const char *, ssize_t *);
void *bozomalloc(bozohttpd_t *, size_t);
void *bozorealloc(bozohttpd_t *, void *, size_t);
char *bozostrdup(bozohttpd_t *, const char *);
/* ssl-bozo.c */
#ifdef NO_SSL_SUPPORT
#define bozo_ssl_set_opts(w, x, y) /* nothing */
#define bozo_ssl_init(x) /* nothing */
#define bozo_ssl_accept(x) /* nothing */
#define bozo_ssl_destroy(x) /* nothing */
#else
void bozo_ssl_set_opts(bozohttpd_t *, const char *, const char *);
void bozo_ssl_init(bozohttpd_t *);
void bozo_ssl_accept(bozohttpd_t *);
void bozo_ssl_destroy(bozohttpd_t *);
#endif
/* auth-bozo.c */
#ifdef DO_HTPASSWD
int bozo_auth_check(bozo_httpreq_t *, const char *);
void bozo_auth_cleanup(bozo_httpreq_t *);
int bozo_auth_check_headers(bozo_httpreq_t *, char *, char *, ssize_t);
int bozo_auth_check_special_files(bozo_httpreq_t *, const char *);
void bozo_auth_check_401(bozo_httpreq_t *, int);
void bozo_auth_cgi_setenv(bozo_httpreq_t *, char ***);
int bozo_auth_cgi_count(bozo_httpreq_t *);
#else
#define bozo_auth_check(x, y) 0
#define bozo_auth_cleanup(x) /* nothing */
#define bozo_auth_check_headers(y, z, a, b) 0
#define bozo_auth_check_special_files(x, y) 0
#define bozo_auth_check_401(x, y) /* nothing */
#define bozo_auth_cgi_setenv(x, y) /* nothing */
#define bozo_auth_cgi_count(x) 0
#endif /* DO_HTPASSWD */
/* cgi-bozo.c */
#ifdef NO_CGIBIN_SUPPORT
#define bozo_process_cgi(h) 0
#else
void bozo_cgi_setbin(bozohttpd_t *, const char *);
void bozo_setenv(bozohttpd_t *, const char *, const char *, char **);
int bozo_process_cgi(bozo_httpreq_t *);
void bozo_add_content_map_cgi(bozohttpd_t *, const char *, const char *);
#endif /* NO_CGIBIN_SUPPORT */
/* daemon-bozo.c */
#ifdef NO_DAEMON_MODE
#define bozo_daemon_init(x) /* nothing */
#define bozo_daemon_fork(x) 0
#define bozo_daemon_closefds() /* nothing */
#else
void bozo_daemon_init(bozohttpd_t *);
int bozo_daemon_fork(bozohttpd_t *);
void bozo_daemon_closefds(bozohttpd_t *);
#endif /* NO_DAEMON_MODE */
/* tilde-luzah-bozo.c */
#ifdef NO_USER_SUPPORT
#define bozo_user_transform(a, c) 0
#else
int bozo_user_transform(bozo_httpreq_t *, int *);
#endif /* NO_USER_SUPPORT */
/* dir-index-bozo.c */
#ifdef NO_DIRINDEX_SUPPORT
#define bozo_dir_index(a, b, c, d) 0
#else
int bozo_dir_index(bozo_httpreq_t *, const char *, int);
#endif /* NO_DIRINDEX_SUPPORT */
/* content-bozo.c */
const char *bozo_content_type(bozo_httpreq_t *, const char *);
const char *bozo_content_encoding(bozo_httpreq_t *, const char *);
bozo_content_map_t *bozo_match_content_map(bozohttpd_t *, const char *, int);
bozo_content_map_t *bozo_get_content_map(bozohttpd_t *, const char *);
#ifndef NO_DYNAMIC_CONTENT
void bozo_add_content_map_mime(bozohttpd_t *, const char *, const char *, const char *, const char *);
#endif
/* I/O */
int bozo_printf(bozohttpd_t *, const char *, ...);
ssize_t bozo_read(bozohttpd_t *, int, void *, size_t);
ssize_t bozo_write(bozohttpd_t *, int, const void *, size_t);
int bozo_flush(bozohttpd_t *, FILE *);
/* misc */
int bozo_init_httpd(bozohttpd_t *);
int bozo_init_prefs(bozoprefs_t *);
int bozo_set_defaults(bozohttpd_t *, bozoprefs_t *);
int bozo_setup(bozohttpd_t *, bozoprefs_t *, const char *, const char *);
bozo_httpreq_t *bozo_read_request(bozohttpd_t *);
void bozo_process_request(bozo_httpreq_t *);
void bozo_clean_request(bozo_httpreq_t *);
/* variables */
int bozo_set_pref(bozoprefs_t *, const char *, const char *);
char *bozo_get_pref(bozoprefs_t *, const char *);
#endif /* BOZOHTTOPD_H_ */
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