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-
- /* ====================================================================
- * Copyright (c) 1995 The Apache Group. 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 in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * 4. The names "Apache Server" and "Apache Group" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission.
- *
- * 5. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
- * EXPRESSED 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 APACHE GROUP OR
- * ITS CONTRIBUTORS 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.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Group and was originally based
- * on public domain software written at the National Center for
- * Supercomputing Applications, University of Illinois, Urbana-Champaign.
- * For more information on the Apache Group and the Apache HTTP server
- * project, please see <http://www.apache.org/>.
- *
- */
-
-
- /*
- * httpd.h: header for simple (ha! not anymore) http daemon
- */
-
- /* Headers in which EVERYONE has an interest... */
-
- #include "conf.h"
- #include "alloc.h"
- #include "buff.h"
-
- /* ----------------------------- config dir ------------------------------ */
-
- /* Define this to be the default server home dir. Anything later in this
- * file with a relative pathname will have this added.
- */
- #ifdef __EMX__
- /* Set default for OS/2 file system */
- #define HTTPD_ROOT "/os2httpd"
- #else
- #define HTTPD_ROOT "/usr/local/etc/httpd"
- #endif
-
- /* Root of server */
- #ifdef __EMX__
- /* Set default for OS/2 file system */
- #define DOCUMENT_LOCATION "/os2httpd/docs"
- #else
- #define DOCUMENT_LOCATION "/usr/local/etc/httpd/htdocs"
- #endif
-
- /* Max. number of dynamically loaded modules */
- #define DYNAMIC_MODULE_LIMIT 64
-
- /* Default administrator's address */
- #define DEFAULT_ADMIN "[no address given]"
-
- /*
- * --------- You shouldn't have to edit anything below this line ----------
- *
- * Any modifications to any defaults not defined above should be done in the
- * respective config. file.
- *
- */
-
-
- /* -------------- Port number for server running standalone --------------- */
-
- #define DEFAULT_PORT 80
-
- /* --------- Default user name and group name running standalone ---------- */
- /* --- These may be specified as numbers by placing a # before a number --- */
-
- #define DEFAULT_USER "#-1"
- #define DEFAULT_GROUP "#-1"
-
- /* The name of the log files */
- #ifdef __EMX__
- /* Set default for OS/2 file system */
- #define DEFAULT_XFERLOG "logs/access.log"
- #else
- #define DEFAULT_XFERLOG "logs/access_log"
- #endif
- #ifdef __EMX__
- /* Set default for OS/2 file system */
- #define DEFAULT_ERRORLOG "logs/error.log"
- #else
- #define DEFAULT_ERRORLOG "logs/error_log"
- #endif
- #define DEFAULT_PIDLOG "logs/httpd.pid"
- #define DEFAULT_SCOREBOARD "logs/apache_runtime_status"
-
- /* Define this to be what your HTML directory content files are called */
- #define DEFAULT_INDEX "index.html"
-
- /* Define this to 1 if you want fancy indexing, 0 otherwise */
- #define DEFAULT_INDEXING 0
-
- /* Define this to be what type you'd like returned for files with unknown */
- /* suffixes */
- #define DEFAULT_TYPE "text/html"
-
- /* Define this to be what your per-directory security files are called */
- #ifdef __EMX__
- /* Set default for OS/2 file system */
- #define DEFAULT_ACCESS_FNAME "htaccess"
- #else
- #define DEFAULT_ACCESS_FNAME ".htaccess"
- #endif
-
- /* The name of the server config file */
- #define SERVER_CONFIG_FILE "conf/httpd.conf"
-
- /* The name of the document config file */
- #define RESOURCE_CONFIG_FILE "conf/srm.conf"
-
- /* The name of the MIME types file */
- #define TYPES_CONFIG_FILE "conf/mime.types"
-
- /* The name of the access file */
- #define ACCESS_CONFIG_FILE "conf/access.conf"
-
- /* Whether we should enable rfc1413 identity checking */
- #define DEFAULT_RFC1413 0
- /* The default directory in user's home dir */
- #define DEFAULT_USER_DIR "public_html"
-
- /* The default path for CGI scripts if none is currently set */
- #define DEFAULT_PATH "/bin:/usr/bin:/usr/ucb:/usr/bsd:/usr/local/bin"
-
- /* The path to the Bourne shell, for parsed docs */
- #ifdef __EMX__
- /* Set default for OS/2 file system */
- #define SHELL_PATH "CMD.EXE"
- #else
- #define SHELL_PATH "/bin/sh"
- #endif
-
- /* The default string lengths */
- #define MAX_STRING_LEN HUGE_STRING_LEN
- #define HUGE_STRING_LEN 8192
-
- /* The timeout for waiting for messages */
- #define DEFAULT_TIMEOUT 1200
-
- /* The timeout for waiting for keepalive timeout until next request */
- #define DEFAULT_KEEPALIVE_TIMEOUT 15
-
- /* The number of requests to entertain per connection */
- #define DEFAULT_KEEPALIVE 5
-
- /* The size of the server's internal read-write buffers */
- #define IOBUFSIZE 8192
-
- /* The number of header lines we will accept from a client */
- #define MAX_HEADERS 200
-
- /* Number of servers to spawn off by default --- also, if fewer than
- * this free when the caretaker checks, it will spawn more.
- */
- #define DEFAULT_START_DAEMON 5
-
- /* Maximum number of *free* server processes --- more than this, and
- * they will die off.
- */
-
- #define DEFAULT_MAX_FREE_DAEMON 10
-
- /* Minimum --- fewer than this, and more will be created */
-
- #define DEFAULT_MIN_FREE_DAEMON 5
-
- /* Limit on the total --- clients will be locked out if more servers than
- * this are needed. It is intended solely to keep the server from crashing
- * when things get out of hand.
- *
- * We keep a hard maximum number of servers, for two reasons --- first off,
- * in case something goes seriously wrong, we want to stop the fork bomb
- * short of actually crashing the machine we're running on by filling some
- * kernel table (I was originally going to make this 256, but it turns out
- * that that would actually fill the process table on reasonably configured
- * machines). Secondly, it keeps the size of the scoreboard file small
- * enough that we can read the whole thing without worrying too much about
- * the overhead.
- */
- #define HARD_SERVER_LIMIT 150
-
- /* Number of requests to try to handle in a single process. If <= 0,
- * the children don't die off. That's the default here, since I'm still
- * interested in finding and stanching leaks.
- */
-
- #define DEFAULT_MAX_REQUESTS_PER_CHILD 0
-
- /* If you have altered Apache and wish to change the SERVER_VERSION define
- * below, please keep to the HTTP/1.0 specification. This states that
- * the identification string should consist of product tokens with an optional
- * slash and version designator. Sub-products which form a significant part
- * of the application can be listed, separated by whitespace. The tokens
- * are listed in order of their significance for identifying the application.
- *
- * "Product tokens should be short and to the point -- use of them for
- * advertizing or other non-essential information is explicitly forbidden."
- *
- * Example: "Apache/1.1b3 MrWidget/0.1-alpha"
- */
-
- #define SERVER_VERSION "Apache/1.1.1" /* SEE COMMENTS ABOVE */
-
- #define SERVER_PROTOCOL "HTTP/1.0"
- #define SERVER_SUPPORT "http://www.apache.org/"
-
- #define DECLINED -1 /* Module declines to handle */
- #define OK 0 /* Module has handled this stage. */
-
- /* ------------------------------ error types ------------------------------ */
-
- #define DOCUMENT_FOLLOWS 200
- #define REDIRECT 302
- #define USE_LOCAL_COPY 304
- #define BAD_REQUEST 400
- #define AUTH_REQUIRED 401
- #define FORBIDDEN 403
- #define NOT_FOUND 404
- #define SERVER_ERROR 500
- #define NOT_IMPLEMENTED 501
- #define BAD_GATEWAY 502
- #define SERVICE_UNAVAILABLE 503
- #define RESPONSE_CODES 10
-
- #define METHODS 6
- #define M_GET 0
- #define M_PUT 1
- #define M_POST 2
- #define M_DELETE 3
- #define M_CONNECT 4
- #define M_INVALID 5
-
- #define CGI_MAGIC_TYPE "application/x-httpd-cgi"
- #define INCLUDES_MAGIC_TYPE "text/x-server-parsed-html"
- #define INCLUDES_MAGIC_TYPE3 "text/x-server-parsed-html3"
- #define MAP_FILE_MAGIC_TYPE "application/x-type-map"
- #define ASIS_MAGIC_TYPE "httpd/send-as-is"
- #define DIR_MAGIC_TYPE "httpd/unix-directory"
- #define STATUS_MAGIC_TYPE "application/x-httpd-status"
-
- /* Just in case your linefeed isn't the one the other end is expecting. */
- #define LF 10
- #define CR 13
-
- /* Things which may vary per file-lookup WITHIN a request ---
- * e.g., state of MIME config. Basically, the name of an object, info
- * about the object, and any other info we may ahve which may need to
- * change as we go poking around looking for it (e.g., overridden by
- * .htaccess files).
- *
- * Note how the default state of almost all these things is properly
- * zero, so that allocating it with pcalloc does the right thing without
- * a whole lot of hairy initialization... so long as we are willing to
- * make the (fairly) portable assumption that the bit pattern of a NULL
- * pointer is, in fact, zero.
- */
-
- /* This represents the result of calling htaccess; these are cached for
- * each request.
- */
- struct htaccess_result
- {
- char *dir; /* the directory to which this applies */
- int override; /* the overrides allowed for the .htaccess file */
- void *htaccess; /* the configuration directives */
- /* the next one, or NULL if no more; N.B. never change this */
- const struct htaccess_result *next;
- };
-
-
- typedef struct conn_rec conn_rec;
- typedef struct server_rec server_rec;
- typedef struct request_rec request_rec;
- typedef struct listen_rec listen_rec;
-
- struct request_rec {
-
- pool *pool;
- conn_rec *connection;
- server_rec *server;
-
- request_rec *next; /* If we wind up getting redirected,
- * pointer to the request we redirected to.
- */
- request_rec *prev; /* If this is an internal redirect,
- * pointer to where we redirected *from*.
- */
-
- request_rec *main; /* If this is a sub_request (see request.h)
- * pointer back to the main request.
- */
-
- /* Info about the request itself... we begin with stuff that only
- * protocol.c should ever touch...
- */
-
- char *the_request; /* First line of request, so we can log it */
- int assbackwards; /* HTTP/0.9, "simple" request */
- int proxyreq; /* A proxy request */
- int header_only; /* HEAD request, as opposed to GET */
- char *protocol; /* Protocol, as given to us, or HTTP/0.9 */
- int proto_num; /* Number version of protocol; 1.1 = 1001 */
- char *hostname; /* Host, as set by full URI or Host: */
- int hostlen; /* Length of http://host:port in full URI */
-
- char *status_line; /* Status line, if set by script */
- int status; /* In any case */
-
- /* Request method, two ways; also, protocol, etc.. Outside of protocol.c,
- * look, but don't touch.
- */
-
- char *method; /* GET, HEAD, POST, etc. */
- int method_number; /* M_GET, M_POST, etc. */
-
- int sent_bodyct; /* byte count in stream is for body */
- long bytes_sent; /* body byte count, for easy access */
-
- /* MIME header environments, in and out. Also, an array containing
- * environment variables to be passed to subprocesses, so people can
- * write modules to add to that environment.
- *
- * The difference between headers_out and err_headers_out is that the
- * latter are printed even on error, and persist across internal redirects
- * (so the headers printed for ErrorDocument handlers will have them).
- *
- * The 'notes' table is for notes from one module to another, with no
- * other set purpose in mind...
- */
-
- table *headers_in;
- table *headers_out;
- table *err_headers_out;
- table *subprocess_env;
- table *notes;
-
- char *content_type; /* Break these out --- we dispatch on 'em */
- char *handler; /* What we *really* dispatch on */
-
- char *content_encoding;
- char *content_language;
-
- int no_cache;
-
- /* What object is being requested (either directly, or via include
- * or content-negotiation mapping).
- */
-
- char *uri; /* complete URI for a proxy req, or
- URL path for a non-proxy req */
- char *filename;
- char *path_info;
- char *args; /* QUERY_ARGS, if any */
- struct stat finfo; /* ST_MODE set to zero if no such file */
-
- /* Various other config info which may change with .htaccess files
- * These are config vectors, with one void* pointer for each module
- * (the thing pointed to being the module's business).
- */
-
- void *per_dir_config; /* Options set in config files, etc. */
- void *request_config; /* Notes on *this* request */
-
- /*
- * a linked list of the configuration directives in the .htaccess files
- * accessed by this request.
- * N.B. always add to the head of the list, _never_ to the end.
- * that way, a sub request's list can (temporarily) point to a parent's list
- */
- const struct htaccess_result *htaccess;
- };
-
-
- /* Things which are per connection
- */
-
- struct conn_rec {
-
- pool *pool;
- server_rec *server;
-
- /* Information about the connection itself */
-
- int child_num; /* The number of the child handling conn_rec */
- BUFF *client; /* Connetion to the guy */
- int aborted; /* Are we still talking? */
-
- /* Who is the client? */
-
- struct sockaddr_in local_addr; /* local address */
- struct sockaddr_in remote_addr;/* remote address */
- char *remote_ip; /* Client's IP address */
- char *remote_host; /* Client's DNS name, if known.
- * NULL if DNS hasn't been checked,
- * "" if it has and no address was found.
- * N.B. Only access this though
- * get_remote_host() */
- char *remote_logname; /* Only ever set if doing_rfc931
- * N.B. Only access this through
- * get_remote_logname() */
- char *user; /* If an authentication check was made,
- * this gets set to the user name. We assume
- * that there's only one user per connection(!)
- */
- char *auth_type; /* Ditto. */
-
- int keepalive; /* Are we using HTTP Keep-Alive? */
- int keptalive; /* Did we use HTTP Keep-Alive? */
- int keepalives; /* How many times have we used it? */
- };
-
- /* Per-vhost config... */
-
- struct server_rec {
-
- server_rec *next;
-
- /* Full locations of server config info */
-
- char *srm_confname;
- char *access_confname;
-
- /* Contact information */
-
- char *server_admin;
- char *server_hostname;
- short port; /* for redirects, etc. */
-
- /* Log files --- note that transfer log is now in the modules... */
-
- char *error_fname;
- FILE *error_log;
-
- /* Module-specific configuration for server, and defaults... */
-
- int is_virtual; /* true if this is the virtual server */
- void *module_config; /* Config vector containing pointers to
- * modules' per-server config structures.
- */
- void *lookup_defaults; /* MIME type info, etc., before we start
- * checking per-directory info.
- */
- /* Transaction handling */
-
- struct in_addr host_addr; /* The bound address, for this server */
- short host_port; /* The bound port, for this server */
- int timeout; /* Timeout, in seconds, before we give up */
- int keep_alive_timeout; /* Seconds we'll wait for another request */
- int keep_alive; /* Maximum requests per connection */
-
- char *path; /* Pathname for ServerPath */
- int pathlen; /* Length of path */
-
- char *names; /* Wildcarded names for HostAlias servers */
- char *virthost; /* The name given in <VirtualHost> */
- };
-
- /* These are more like real hosts than virtual hosts */
- struct listen_rec {
- listen_rec *next;
- struct sockaddr_in local_addr; /* local IP address and port */
- /* more stuff here, like which protocol is bound to the port */
- };
-
- /* Prototypes for utilities... util.c.
- */
-
- /* Time */
- extern const char month_snames[12][4];
-
- struct tm *get_gmtoff(long *tz);
- char *get_time();
- char *ht_time (pool *p, time_t t, char *fmt, int gmt);
- char *gm_timestr_822(pool *p, time_t t);
-
- /* String handling */
-
- char *getword(pool *p, char **line, char stop);
- char *getword_nulls (pool *p, char **line, char stop);
- char *getword_conf (pool *p, char **line);
-
- char *get_token (pool *p, char **accept_line, int accept_white);
-
- int is_url(char *u);
- extern int unescape_url(char *url);
- void no2slash(char *name);
- void getparents(char *name);
- char *escape_path_segment(pool *p, const char *s);
- char *os_escape_path(pool *p,const char *path,int partial);
- char *escape_uri (pool *p, char *s);
- extern char *escape_html(pool *p, const char *s);
- char *construct_url (pool *p, char *path, server_rec *s);
- char *escape_shell_cmd (pool *p, char *s);
-
- int count_dirs(char *path);
- char *make_dirstr(pool *a, char *s, int n);
- char *make_full_path(pool *a, char *dir, char *f);
-
- int is_matchexp(char *str);
- int strcmp_match(char *str, char *exp);
- int strcasecmp_match(char *str, char *exp);
- char *uudecode (pool *, char *);
-
- void str_tolower (char *);
- int ind (const char *, char); /* Sigh... */
- int rind (const char *, char);
-
- int cfg_getline(char *s, int n, FILE *f);
-
- /* Misc system hackery */
-
- uid_t uname2id(char *name);
- gid_t gname2id(char *name);
- int is_directory(char *name);
- int can_exec(struct stat *);
- void chdir_file(char *file);
-
- char *get_local_host(pool *);
- unsigned long get_virthost_addr (char *hostname, short int *port);
-
- extern time_t restart_time;
-