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bozohttpd.h revision 1.4.6.1
      1 /*	$NetBSD: bozohttpd.h,v 1.4.6.1 2008/03/24 07:14:46 keiichi Exp $	*/
      2 
      3 /*	$eterna: bozohttpd.h,v 1.18 2008/03/03 03:36:11 mrg Exp $	*/
      4 
      5 /*
      6  * Copyright (c) 1997-2008 Matthew R. Green
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer and
     16  *    dedication in the documentation and/or other materials provided
     17  *    with the distribution.
     18  * 3. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  */
     34 #include <sys/queue.h>
     35 #include <sys/stat.h>
     36 
     37 #include <stdio.h>
     38 
     39 /* headers */
     40 struct headers {
     41 	/*const*/ char *h_header;
     42 	/*const*/ char *h_value;	/* this gets free()'ed etc at times */
     43 	SIMPLEQ_ENTRY(headers)	h_next;
     44 };
     45 
     46 /* http_req */
     47 typedef struct {
     48 	int	hr_method;
     49 #define	HTTP_GET	0x01
     50 #define HTTP_POST	0x02
     51 #define HTTP_HEAD	0x03
     52 #define HTTP_OPTIONS	0x04	/* not supported */
     53 #define HTTP_PUT	0x05	/* not supported */
     54 #define HTTP_DELETE	0x06	/* not supported */
     55 #define HTTP_TRACE	0x07	/* not supported */
     56 #define HTTP_CONNECT	0x08	/* not supported */
     57 	const char *hr_methodstr;
     58 	char	*hr_url;
     59 	const char *hr_proto;
     60 	const char *hr_content_type;
     61 	const char *hr_content_length;
     62 	const char *hr_allow;
     63 	const char *hr_host;		/* HTTP/1.1 Host: */
     64 	const char *hr_referrer;
     65 	const char *hr_range;
     66 	int         hr_have_range;
     67 	off_t       hr_first_byte_pos;
     68 	off_t       hr_last_byte_pos;
     69 	const char *hr_remotehost;
     70 	const char *hr_remoteaddr;
     71 	const char *hr_serverport;
     72 #ifdef DO_HTPASSWD
     73 	const char *hr_authrealm;
     74 	const char *hr_authuser;
     75 	const char *hr_authpass;
     76 #endif
     77 	SIMPLEQ_HEAD(, headers)	hr_headers;
     78 	int	hr_nheaders;
     79 } http_req;
     80 
     81 struct content_map {
     82 	const char *name;	/* postfix of file */
     83 	const char *type;	/* matching content-type */
     84 	const char *encoding;	/* matching content-encoding */
     85 	const char *encoding11;	/* matching content-encoding (HTTP/1.1) */
     86 	const char *cgihandler;	/* optional CGI handler */
     87 };
     88 
     89 #define WRSZ	(64 * 1024)
     90 
     91 /* debug flags */
     92 #define DEBUG_NORMAL	1
     93 #define DEBUG_FAT	2
     94 #define DEBUG_OBESE	3
     95 #define DEBUG_EXPLODING	4
     96 
     97 #define	strornull(x)	((x) ? (x) : "<null>")
     98 
     99 extern	int	dflag;
    100 extern	const char *index_html;
    101 extern	const char *server_software;
    102 extern	char	*myname;
    103 
    104 #ifdef DEBUG
    105 void	debug__(int, const char *, ...)
    106 			__attribute__((__format__(__printf__, 2, 3)));
    107 #define debug(x)	debug__ x
    108 #else
    109 #define	debug(x)
    110 #endif /* DEBUG */
    111 
    112 void	warning(const char *, ...)
    113 		__attribute__((__format__(__printf__, 1, 2)));
    114 void	error(int, const char *, ...)
    115 		__attribute__((__format__(__printf__, 2, 3)));
    116 void	http_error(int, http_req *, const char *)
    117 		__attribute__((__noreturn__));
    118 
    119 void	check_special_files(http_req *, const char *);
    120 char	*http_date(void);
    121 void	print_header(http_req *, struct stat *, const char *, const char *);
    122 
    123 char	*bozodgetln(int, ssize_t *, ssize_t	(*)(int, void *, size_t));
    124 char	*bozostrnsep(char **, const char *, ssize_t *);
    125 
    126 void	*bozomalloc(size_t);
    127 void	*bozorealloc(void *, size_t);
    128 char	*bozostrdup(const char *);
    129 
    130 extern	const char *Iflag;
    131 extern	int	Iflag_set;
    132 extern	int	bflag, fflag;
    133 extern	char	*slashdir;
    134 extern	const char http_09[];
    135 extern	const char http_10[];
    136 extern	const char http_11[];
    137 extern	const char text_plain[];
    138 
    139 /* bozotic io */
    140 extern	int	(*bozoprintf)(const char *, ...);
    141 extern	ssize_t	(*bozoread)(int, void *, size_t);
    142 extern	ssize_t	(*bozowrite)(int, const void *, size_t);
    143 extern	int	(*bozoflush)(FILE *);
    144 
    145 
    146 /* ssl-bozo.c */
    147 #ifndef NO_SSL_SUPPORT
    148 extern	void	ssl_set_opts(char *, char *);
    149 extern	void	ssl_init(void);
    150 extern	void	ssl_accept(void);
    151 extern	void	ssl_destroy(void);
    152 #else
    153 #define ssl_set_opts(x, y)	/* nothing */
    154 #define ssl_init()		/* nothing */
    155 #define ssl_accept()		/* nothing */
    156 #define ssl_destroy()		/* nothing */
    157 #endif
    158 
    159 
    160 /* auth-bozo.c */
    161 #ifdef DO_HTPASSWD
    162 extern	void	auth_check(http_req *, const char *);
    163 extern	int	auth_check_headers(http_req *, char *, char *, ssize_t);
    164 extern	void	auth_check_special_files(http_req *, const char *);
    165 extern	void	auth_check_401(http_req *, int);
    166 extern	void	auth_cgi_setenv(http_req *, char ***);
    167 extern	int	auth_cgi_count(http_req *);
    168 #else
    169 #define		auth_check(x, y)		/* nothing */
    170 #define		auth_check_headers(x, y, z, a)	0
    171 #define		auth_check_special_files(x, y)	/* nothing */
    172 #define		auth_check_401(x, y)		/* nothing */
    173 #define		auth_cgi_setenv(x, y)		/* nothing */
    174 #define		auth_cgi_count(x)		0
    175 #endif /* DO_HTPASSWD */
    176 
    177 
    178 /* cgi-bozo.c */
    179 #ifndef NO_CGIBIN_SUPPORT
    180 void	set_cgibin(char *);
    181 void	spsetenv(const char *env, const char *val, char **envp);
    182 void	process_cgi(http_req *);
    183 void	add_content_map_cgi(char *, char *);
    184 #else
    185 #define	process_cgi(r)				/* nothing */
    186 #endif /* NO_CGIBIN_SUPPORT */
    187 
    188 
    189 /* daemon-bozo.c */
    190 extern	const char *Iflag;
    191 extern	int	Iflag_set;
    192 #ifndef NO_DAEMON_MODE
    193 extern	char	*iflag;
    194 
    195 void	daemon_init(void);
    196 void	daemon_fork(void);
    197 #else
    198 #define daemon_init()				/* nothing */
    199 #define daemon_fork()				/* nothing */
    200 #endif /* NO_DAEMON_MODE */
    201 
    202 
    203 /* tilde-luzah-bozo.c */
    204 #ifndef NO_USER_SUPPORT
    205 extern	int	uflag;
    206 extern	const char *public_html;
    207 
    208 char *	user_transform(http_req *, int *);
    209 #endif /* NO_USER_SUPPORT */
    210 
    211 
    212 /* dir-index-bozo.c */
    213 #ifndef NO_DIRINDEX_SUPPORT
    214 extern	int	Xflag;
    215 extern	int	Hflag;
    216 int	directory_index(http_req *, const char *, int);
    217 #else
    218 #define directory_index(a, b, c)		0
    219 #endif /* NO_DIRINDEX_SUPPORT */
    220 
    221 
    222 /* content-bozo.c */
    223 const char *content_type(http_req *, const char *);
    224 const char *content_encoding(http_req *, const char *);
    225 struct content_map *match_content_map(const char *, int);
    226 struct content_map *get_content_map(const char *);
    227 #ifndef NO_DYNAMIC_CONTENT
    228 void	add_content_map_mime(char *, char *, char *, char *);
    229 #endif
    230