295 lines
10 KiB
C
295 lines
10 KiB
C
/* $NetBSD: bozohttpd.h,v 1.18 2011/03/29 07:22:31 jmmv Exp $ */
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/* $eterna: bozohttpd.h,v 1.37 2010/09/20 22:26:28 mrg Exp $ */
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/*
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* Copyright (c) 1997-2010 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer and
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* dedication in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef BOZOHTTOPD_H_
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#define BOZOHTTOPD_H_ 1
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#include <sys/queue.h>
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#include <sys/stat.h>
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#include <stdio.h>
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/* lots of "const" but gets free()'ed etc at times, sigh */
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/* headers */
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typedef struct bozoheaders {
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/*const*/ char *h_header;
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/*const*/ char *h_value; /* this gets free()'ed etc at times */
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SIMPLEQ_ENTRY(bozoheaders) h_next;
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} bozoheaders_t;
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typedef struct bozo_content_map_t {
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const char *name; /* postfix of file */
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size_t namelen; /* length of postfix */
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const char *type; /* matching content-type */
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const char *encoding; /* matching content-encoding */
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const char *encoding11; /* matching content-encoding (HTTP/1.1) */
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const char *cgihandler; /* optional CGI handler */
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} bozo_content_map_t;
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/* this struct holds the bozo constants */
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typedef struct bozo_consts_t {
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const char *http_09; /* "HTTP/0.9" */
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const char *http_10; /* "HTTP/1.0" */
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const char *http_11; /* "HTTP/1.1" */
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const char *text_plain; /* "text/plain" */
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} bozo_consts_t;
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/* this structure encapsulates all the bozo flags and control vars */
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typedef struct bozohttpd_t {
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char *rootdir; /* root directory */
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char *username; /* username to switch to */
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int numeric; /* avoid gethostby*() */
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char *virtbase; /* virtual directory base */
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int unknown_slash; /* unknown vhosts go to normal slashdir */
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int untrustedref; /* make sure referrer = me unless url = / */
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int logstderr; /* log to stderr (even if not tty) */
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int background; /* drop into daemon mode */
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int foreground; /* keep daemon mode in foreground */
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char *pidfile; /* path to the pid file, if any */
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size_t page_size; /* page size */
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char *slashdir; /* www slash directory */
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char *bindport; /* bind port; default "http" */
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char *bindaddress; /* address for binding - INADDR_ANY */
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int debug; /* debugging level */
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char *virthostname; /* my name */
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const char *server_software;/* our brand :-) */
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const char *index_html; /* our home page */
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const char *public_html; /* ~user/public_html page */
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int enable_users; /* enable public_html */
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int *sock; /* bound sockets */
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int nsock; /* number of above */
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struct pollfd *fds; /* current poll fd set */
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int request_times; /* # times a request was processed */
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int dir_indexing; /* handle directories */
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int hide_dots; /* hide .* */
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int process_cgi; /* use the cgi handler */
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char *cgibin; /* cgi-bin directory */
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void *sslinfo; /* pointer to ssl struct */
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int dynamic_content_map_size;/* size of dyn cont map */
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bozo_content_map_t *dynamic_content_map;/* dynamic content map */
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size_t mmapsz; /* size of region to mmap */
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char *getln_buffer; /* space for getln buffer */
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ssize_t getln_buflen; /* length of allocated space */
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char *errorbuf; /* no dynamic allocation allowed */
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bozo_consts_t consts; /* various constants */
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} bozohttpd_t;
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/* bozo_httpreq_t */
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typedef struct bozo_httpreq_t {
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bozohttpd_t *hr_httpd;
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int hr_method;
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#define HTTP_GET 0x01
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#define HTTP_POST 0x02
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#define HTTP_HEAD 0x03
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#define HTTP_OPTIONS 0x04 /* not supported */
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#define HTTP_PUT 0x05 /* not supported */
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#define HTTP_DELETE 0x06 /* not supported */
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#define HTTP_TRACE 0x07 /* not supported */
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#define HTTP_CONNECT 0x08 /* not supported */
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const char *hr_methodstr;
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char *hr_file;
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char *hr_oldfile; /* if we added an index_html */
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char *hr_query;
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const char *hr_proto;
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const char *hr_content_type;
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const char *hr_content_length;
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const char *hr_allow;
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const char *hr_host; /* HTTP/1.1 Host: */
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const char *hr_referrer;
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const char *hr_range;
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const char *hr_if_modified_since;
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int hr_have_range;
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off_t hr_first_byte_pos;
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off_t hr_last_byte_pos;
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/*const*/ char *hr_remotehost;
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/*const*/ char *hr_remoteaddr;
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/*const*/ char *hr_serverport;
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#ifdef DO_HTPASSWD
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/*const*/ char *hr_authrealm;
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/*const*/ char *hr_authuser;
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/*const*/ char *hr_authpass;
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#endif
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SIMPLEQ_HEAD(, bozoheaders) hr_headers;
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int hr_nheaders;
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} bozo_httpreq_t;
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/* structure to hold string based (name, value) pairs with preferences */
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typedef struct bozoprefs_t {
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unsigned size; /* size of the two arrays */
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unsigned c; /* # of entries in arrays */
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char **name; /* names of each entry */
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char **value; /* values for the name entries */
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} bozoprefs_t;
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/* write in upto 64KiB chunks, and mmap in upto 64MiB chunks */
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#define BOZO_WRSZ (64 * 1024)
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#define BOZO_MMAPSZ (BOZO_WRSZ * 1024)
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/* debug flags */
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#define DEBUG_NORMAL 1
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#define DEBUG_FAT 2
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#define DEBUG_OBESE 3
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#define DEBUG_EXPLODING 4
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#define strornull(x) ((x) ? (x) : "<null>")
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#ifndef NO_DEBUG
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void debug__(bozohttpd_t *, int, const char *, ...)
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__attribute__((__format__(__printf__, 3, 4)));
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#define debug(x) debug__ x
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#else
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#define debug(x)
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#endif /* NO_DEBUG */
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void bozo_warn(bozohttpd_t *, const char *, ...)
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__attribute__((__format__(__printf__, 2, 3)));
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void bozo_err(bozohttpd_t *, int, const char *, ...)
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__attribute__((__format__(__printf__, 3, 4)))
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__attribute__((__noreturn__));
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int bozo_http_error(bozohttpd_t *, int, bozo_httpreq_t *, const char *);
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int bozo_check_special_files(bozo_httpreq_t *, const char *);
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char *bozo_http_date(char *, size_t);
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void bozo_print_header(bozo_httpreq_t *, struct stat *, const char *, const char *);
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char *bozodgetln(bozohttpd_t *, int, ssize_t *, ssize_t (*)(bozohttpd_t *, int, void *, size_t));
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char *bozostrnsep(char **, const char *, ssize_t *);
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void *bozomalloc(bozohttpd_t *, size_t);
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void *bozorealloc(bozohttpd_t *, void *, size_t);
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char *bozostrdup(bozohttpd_t *, const char *);
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/* ssl-bozo.c */
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#ifdef NO_SSL_SUPPORT
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#define bozo_ssl_set_opts(w, x, y) /* nothing */
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#define bozo_ssl_init(x) /* nothing */
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#define bozo_ssl_accept(x) /* nothing */
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#define bozo_ssl_destroy(x) /* nothing */
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#else
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void bozo_ssl_set_opts(bozohttpd_t *, const char *, const char *);
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void bozo_ssl_init(bozohttpd_t *);
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void bozo_ssl_accept(bozohttpd_t *);
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void bozo_ssl_destroy(bozohttpd_t *);
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#endif
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/* auth-bozo.c */
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#ifdef DO_HTPASSWD
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int bozo_auth_check(bozo_httpreq_t *, const char *);
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void bozo_auth_cleanup(bozo_httpreq_t *);
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int bozo_auth_check_headers(bozo_httpreq_t *, char *, char *, ssize_t);
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int bozo_auth_check_special_files(bozo_httpreq_t *, const char *);
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void bozo_auth_check_401(bozo_httpreq_t *, int);
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void bozo_auth_cgi_setenv(bozo_httpreq_t *, char ***);
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int bozo_auth_cgi_count(bozo_httpreq_t *);
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#else
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#define bozo_auth_check(x, y) 0
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#define bozo_auth_cleanup(x) /* nothing */
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#define bozo_auth_check_headers(y, z, a, b) 0
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#define bozo_auth_check_special_files(x, y) 0
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#define bozo_auth_check_401(x, y) /* nothing */
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#define bozo_auth_cgi_setenv(x, y) /* nothing */
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#define bozo_auth_cgi_count(x) 0
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#endif /* DO_HTPASSWD */
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/* cgi-bozo.c */
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#ifdef NO_CGIBIN_SUPPORT
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#define bozo_process_cgi(h) 0
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#else
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void bozo_cgi_setbin(bozohttpd_t *, const char *);
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void bozo_setenv(bozohttpd_t *, const char *, const char *, char **);
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int bozo_process_cgi(bozo_httpreq_t *);
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void bozo_add_content_map_cgi(bozohttpd_t *, const char *, const char *);
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#endif /* NO_CGIBIN_SUPPORT */
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/* daemon-bozo.c */
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#ifdef NO_DAEMON_MODE
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#define bozo_daemon_init(x) /* nothing */
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#define bozo_daemon_fork(x) 0
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#define bozo_daemon_closefds(x) /* nothing */
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#else
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void bozo_daemon_init(bozohttpd_t *);
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int bozo_daemon_fork(bozohttpd_t *);
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void bozo_daemon_closefds(bozohttpd_t *);
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#endif /* NO_DAEMON_MODE */
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/* tilde-luzah-bozo.c */
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#ifdef NO_USER_SUPPORT
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#define bozo_user_transform(a, c) 0
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#else
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int bozo_user_transform(bozo_httpreq_t *, int *);
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#endif /* NO_USER_SUPPORT */
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/* dir-index-bozo.c */
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#ifdef NO_DIRINDEX_SUPPORT
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#define bozo_dir_index(a, b, c) 0
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#else
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int bozo_dir_index(bozo_httpreq_t *, const char *, int);
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#endif /* NO_DIRINDEX_SUPPORT */
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/* content-bozo.c */
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const char *bozo_content_type(bozo_httpreq_t *, const char *);
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const char *bozo_content_encoding(bozo_httpreq_t *, const char *);
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bozo_content_map_t *bozo_match_content_map(bozohttpd_t *, const char *, int);
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bozo_content_map_t *bozo_get_content_map(bozohttpd_t *, const char *);
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#ifndef NO_DYNAMIC_CONTENT
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void bozo_add_content_map_mime(bozohttpd_t *, const char *, const char *, const char *, const char *);
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#endif
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/* I/O */
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int bozo_printf(bozohttpd_t *, const char *, ...);
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ssize_t bozo_read(bozohttpd_t *, int, void *, size_t);
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ssize_t bozo_write(bozohttpd_t *, int, const void *, size_t);
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int bozo_flush(bozohttpd_t *, FILE *);
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/* misc */
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int bozo_init_httpd(bozohttpd_t *);
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int bozo_init_prefs(bozoprefs_t *);
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int bozo_set_defaults(bozohttpd_t *, bozoprefs_t *);
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int bozo_setup(bozohttpd_t *, bozoprefs_t *, const char *, const char *);
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bozo_httpreq_t *bozo_read_request(bozohttpd_t *);
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void bozo_process_request(bozo_httpreq_t *);
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void bozo_clean_request(bozo_httpreq_t *);
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/* variables */
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int bozo_set_pref(bozoprefs_t *, const char *, const char *);
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char *bozo_get_pref(bozoprefs_t *, const char *);
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#endif /* BOZOHTTOPD_H_ */
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