hydra/src/globals.h

/*
 *  Boa, an http server
 *  Copyright (C) 1995 Paul Phillips <paulp@go2net.com>
 *  Some changes Copyright (C) 1996,97 Larry Doolittle <ldoolitt@jlab.org>
 *  Some changes Copyright (C) 1997 Jon Nelson <jnelson@boa.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 1, or (at your option)
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

/* $Id: globals.h,v 1.17 2002/09/29 11:00:04 nmav Exp $*/

#ifndef _GLOBALS_H
#define _GLOBALS_H

#ifdef ENABLE_SSL
# include <gnutls/gnutls.h>
#endif

typedef struct {
        int socket;
        int secure; /* ssl or not. NOTE: 0 or 1. Nothing else. */
        int port;
        int pending_requests;
} socket_type;

struct mmap_entry {
    dev_t dev;
    ino_t ino;
    char *mmap;
    int use_count;
    size_t len;
    int available;
    int times_used;
};

typedef struct {
   hic_shutdown_func shutdown;
   hic_init_func init;
   hic_request_func request;
   void *dl_handle;
   char* sym_prefix; /* ie. "_php" */
   char* content_type; /* ie. "application/x-httpd-php" */
   int content_type_len;
} hic_module_st;

struct alias {
    char *fakename;             /* URI path to file */
    char *realname;             /* Actual path to file */
    int type;                   /* ALIAS, SCRIPTALIAS, REDIRECT */
    int fake_len;               /* strlen of fakename */
    int real_len;               /* strlen of realname */
    struct alias *next;
};

typedef struct alias alias;

typedef struct _virthost {
    char *ip;                   /* This virthost will be visible in this IP */
    char *host;                 /* The hostname of the virtual host */
    char* document_root;        /* The document root of this virtual host */
    char* user_dir;             /* The user dir of this virtual host */
    int user_dir_len;                 /* strlen of user_dir */
    int ip_len;                 /* strlen of IP */
    int host_len;               /* strlen of hostname */
    int document_root_len;      /* strlen of document root */
    alias *alias_hashtable[ALIAS_HASHTABLE_SIZE]; /* aliases in this virthost */
    struct _virthost *next;
} virthost;

struct request {                /* pending requests */
    int fd;                     /* client's socket fd */
#ifdef ENABLE_SSL
    GNUTLS_STATE ssl_state;
#endif
    int secure; /* whether ssl or not */
    int         alert_to_send; /* in SEND_ALERT state */

    int status;                 /* see #defines.h */
    time_t time_last;           /* time of last succ. op. */
    char *pathname;             /* pathname of requested file */
    size_t range_start;         /* send file from byte ... */
    size_t range_stop;          /* to byte */
    size_t pipe_range_stop;     /* This is used only if the file is sent by the pipe_read() method.
                                 * Indicates how many bytes to send from a file (actually a copy of range_stop,
                                 * but it is modified. */
    int simple;                 /* simple request? */
    int keepalive;              /* keepalive status */
    int kacount;                /* keepalive count */

    int data_fd;                /* fd of data */
    unsigned long filesize;     /* filesize */
    unsigned long filepos;      /* position in file */
    char *data_mem;             /* mmapped/malloced char array */
    int method;                 /* M_GET, M_POST, etc. */

    char *logline;              /* line to log file */

    char *header_line;          /* beginning of un or incompletely processed header line */
    char *header_end;           /* last known end of header, or end of processed data */
    int parse_pos;              /* how much have we parsed */
    int client_stream_pos;      /* how much have we read... */

    int buffer_start;           /* where the buffer starts */
    int buffer_end;             /* where the buffer ends */

    char *http_version;         /* HTTP/?.? of req */
    int response_status;        /* R_NOT_FOUND etc. */

    char *if_modified_since;    /* If-Modified-Since */
    time_t last_modified;       /* Last-modified: */

    char *if_none_match_etag;
    char *if_match_etag;
    char *if_range_etag;        /* These are the Etags sent by the client
                                 * In If-* requests.
                                 */
    int if_types;               /* If-Match, If-None-Match, If-Range 
                                 * and OR of the MATCH_* definitions.
                                 */

    char local_ip_addr[NI_MAXHOST]; /* for virtualhost */
    char *hostname;
    char document_root[MAX_PATH_LENGTH + 1];
    char user_dir[MAX_USER_DIR_LENGTH + 1];

    /* CGI vars */

    int remote_port;            /* could be used for ident */

    char remote_ip_addr[NI_MAXHOST]; /* after inet_ntoa */

    int is_cgi;                 /* true if CGI/NPH */
    int cgi_status;
    int cgi_env_index;          /* index into array */

    /* Agent and referer for logfiles */
    char *header_user_agent;
    char *header_referer;

    int post_data_fd;           /* fd for post data tmpfile */

    char *path_info;            /* env variable */
    char *path_translated;      /* env variable */
    char *script_name;          /* env variable */
    char *query_string;         /* env variable */
    char *content_type;         /* env variable */
    char *content_length;       /* env variable */

    struct mmap_entry *mmap_entry_var;

    struct request *next;       /* next */
    struct request *prev;       /* previous */

    /* everything below this line is kept regardless */
    char buffer[BUFFER_SIZE + 1]; /* generic I/O buffer */
    char request_uri[MAX_HEADER_LENGTH + 1]; /* uri */
    char client_stream[CLIENT_STREAM_SIZE]; /* data from client - fit or be hosed */
    char *cgi_env[CGI_ENV_MAX + 4];             /* CGI environment */

#ifdef ACCEPT_ON
    char accept[MAX_ACCEPT_LENGTH]; /* Accept: fields */
#endif
};

typedef struct request request;

struct status {
    long requests;
    long errors;
};


extern char *optarg;            /* For getopt */
extern FILE *yyin;              /* yacc input */

extern request **_request_ready;  /* first in ready list */
extern request **_request_block;  /* first in blocked list */
extern request **_request_free;   /* first in free list */

typedef struct {
#ifdef ENABLE_SMP
        pthread_t tid;
#endif
        request* request_ready;
        request* request_block;
        request* request_free;
        socket_type server_s[2];
        fd_set block_read_fdset;
        fd_set block_write_fdset;
        struct timeval req_timeout;
        int sighup_flag; /* 1 => signal has happened, needs attention */
        int sigchld_flag; /* 1 => signal has happened, needs attention */
        int sigalrm_flag; /* 1 => signal has happened, needs attention */
        int sigusr1_flag; /* 1 => signal has happened, needs attention */
        int sigterm_flag; /* lame duck mode */
        
        int max_fd;
        
        int sockbufsize;
        struct status status;
        int total_connections;
        
        /* for SIGBUS handling */
        jmp_buf env;
        int handle_sigbus;

} server_params;

/* global server variables */

extern char *access_log_name;
extern char *error_log_name;
extern char *cgi_log_name;
extern int cgi_log_fd;
extern int use_localtime;

extern int max_files_cache;
extern int max_file_size_cache;

extern int boa_ssl;

extern int server_port;
extern int ssl_port;
extern uid_t server_uid;
extern gid_t server_gid;
extern char *server_admin;
extern char *server_root;
extern char *server_name;
extern char *server_ip;
extern int max_fd;
extern int devnullfd;

extern char *default_type;
extern char *default_charset;
extern char *dirmaker;
extern char *mime_types;
extern char *cachedir;

extern char *default_document_root;
extern int default_document_root_size;

extern char *tempdir;
extern int tempdir_len;

extern char *cgi_path;
extern int single_post_limit;

extern int ka_timeout;
extern int ka_max;

extern int hic_sigchld_flag;
extern time_t start_time;

extern int pending_requests;
extern long int max_connections;

extern int verbose_cgi_logs;

extern int backlog;
extern time_t current_time;

#ifdef ENABLE_HIC
   extern pthread_t hic_tid;
#endif

#endif
1	nmav	1.1	/*
2			* Boa, an http server
3			* Copyright (C) 1995 Paul Phillips <paulp@go2net.com>
4			* Some changes Copyright (C) 1996,97 Larry Doolittle <ldoolitt@jlab.org>
5			* Some changes Copyright (C) 1997 Jon Nelson <jnelson@boa.org>
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 1, or (at your option)
10			* any later version.
11			*
12			* This program is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20			*
21			*/
22
23	nmav	1.18	/* $Id: globals.h,v 1.17 2002/09/29 11:00:04 nmav Exp $*/
24	nmav	1.1
25			#ifndef _GLOBALS_H
26			#define _GLOBALS_H
27
28	nmav	1.15	#ifdef ENABLE_SSL
29			# include <gnutls/gnutls.h>
30			#endif
31	nmav	1.1
32			typedef struct {
33			int socket;
34	nmav	1.3	int secure; /* ssl or not. NOTE: 0 or 1. Nothing else. */
35	nmav	1.5	int port;
36	nmav	1.1	int pending_requests;
37			} socket_type;
38
39			struct mmap_entry {
40			dev_t dev;
41			ino_t ino;
42			char *mmap;
43			int use_count;
44			size_t len;
45			int available;
46	nmav	1.2	int times_used;
47	nmav	1.1	};
48	nmav	1.12
49			typedef struct {
50			hic_shutdown_func shutdown;
51			hic_init_func init;
52			hic_request_func request;
53			void *dl_handle;
54			char* sym_prefix; /* ie. "_php" */
55	nmav	1.13	char* content_type; /* ie. "application/x-httpd-php" */
56			int content_type_len;
57	nmav	1.12	} hic_module_st;
58	nmav	1.1
59	nmav	1.8	struct alias {
60			char fakename; / URI path to file */
61			char realname; / Actual path to file */
62			int type; /* ALIAS, SCRIPTALIAS, REDIRECT */
63			int fake_len; /* strlen of fakename */
64			int real_len; /* strlen of realname */
65			struct alias *next;
66			};
67
68			typedef struct alias alias;
69
70	nmav	1.6	typedef struct _virthost {
71			char ip; / This virthost will be visible in this IP */
72			char host; / The hostname of the virtual host */
73			char* document_root; /* The document root of this virtual host */
74			char* user_dir; /* The user dir of this virtual host */
75			int user_dir_len; /* strlen of user_dir */
76			int ip_len; /* strlen of IP */
77			int host_len; /* strlen of hostname */
78			int document_root_len; /* strlen of document root */
79	nmav	1.8	alias alias_hashtable[ALIAS_HASHTABLE_SIZE]; / aliases in this virthost */
80	nmav	1.6	struct _virthost *next;
81			} virthost;
82
83	nmav	1.1	struct request { /* pending requests */
84			int fd; /* client's socket fd */
85	nmav	1.15	#ifdef ENABLE_SSL
86	nmav	1.1	GNUTLS_STATE ssl_state;
87	nmav	1.15	#endif
88	nmav	1.1	int secure; /* whether ssl or not */
89			int alert_to_send; /* in SEND_ALERT state */
90
91			int status; /* see #defines.h */
92			time_t time_last; /* time of last succ. op. */
93			char pathname; / pathname of requested file */
94	nmav	1.4	size_t range_start; /* send file from byte ... */
95			size_t range_stop; /* to byte */
96			size_t pipe_range_stop; /* This is used only if the file is sent by the pipe_read() method.
97			* Indicates how many bytes to send from a file (actually a copy of range_stop,
98			* but it is modified. */
99	nmav	1.1	int simple; /* simple request? */
100			int keepalive; /* keepalive status */
101			int kacount; /* keepalive count */
102
103			int data_fd; /* fd of data */
104			unsigned long filesize; /* filesize */
105			unsigned long filepos; /* position in file */
106			char data_mem; / mmapped/malloced char array */
107			int method; /* M_GET, M_POST, etc. */
108
109			char logline; / line to log file */
110
111			char header_line; / beginning of un or incompletely processed header line */
112			char header_end; / last known end of header, or end of processed data */
113			int parse_pos; /* how much have we parsed */
114			int client_stream_pos; /* how much have we read... */
115
116			int buffer_start; /* where the buffer starts */
117			int buffer_end; /* where the buffer ends */
118
119			char http_version; / HTTP/?.? of req */
120			int response_status; /* R_NOT_FOUND etc. */
121
122			char if_modified_since; / If-Modified-Since */
123			time_t last_modified; /* Last-modified: */
124	nmav	1.17
125	nmav	1.18	char *if_none_match_etag;
126			char *if_match_etag;
127			char if_range_etag; / These are the Etags sent by the client
128			* In If-* requests.
129	nmav	1.17	*/
130	nmav	1.18	int if_types; /* If-Match, If-None-Match, If-Range
131			* and OR of the MATCH_* definitions.
132	nmav	1.17	*/
133	nmav	1.1
134			char local_ip_addr[NI_MAXHOST]; /* for virtualhost */
135	nmav	1.8	char *hostname;
136	nmav	1.7	char document_root[MAX_PATH_LENGTH + 1];
137	nmav	1.8	char user_dir[MAX_USER_DIR_LENGTH + 1];
138	nmav	1.1
139			/* CGI vars */
140
141			int remote_port; /* could be used for ident */
142
143			char remote_ip_addr[NI_MAXHOST]; /* after inet_ntoa */
144
145			int is_cgi; /* true if CGI/NPH */
146			int cgi_status;
147			int cgi_env_index; /* index into array */
148
149			/* Agent and referer for logfiles */
150			char *header_user_agent;
151			char *header_referer;
152
153			int post_data_fd; /* fd for post data tmpfile */
154
155			char path_info; / env variable */
156			char path_translated; / env variable */
157			char script_name; / env variable */
158			char query_string; / env variable */
159			char content_type; / env variable */
160			char content_length; / env variable */
161
162			struct mmap_entry *mmap_entry_var;
163
164			struct request next; / next */
165			struct request prev; / previous */
166
167			/* everything below this line is kept regardless */
168			char buffer[BUFFER_SIZE + 1]; /* generic I/O buffer */
169			char request_uri[MAX_HEADER_LENGTH + 1]; /* uri */
170			char client_stream[CLIENT_STREAM_SIZE]; /* data from client - fit or be hosed */
171			char cgi_env[CGI_ENV_MAX + 4]; / CGI environment */
172
173			#ifdef ACCEPT_ON
174			char accept[MAX_ACCEPT_LENGTH]; /* Accept: fields */
175			#endif
176			};
177
178			typedef struct request request;
179
180			struct status {
181			long requests;
182			long errors;
183			};
184
185
186			extern char optarg; / For getopt */
187			extern FILE yyin; / yacc input */
188
189			extern request *_request_ready; / first in ready list */
190			extern request *_request_block; / first in blocked list */
191			extern request *_request_free; / first in free list */
192
193			typedef struct {
194			#ifdef ENABLE_SMP
195			pthread_t tid;
196			#endif
197			request* request_ready;
198			request* request_block;
199			request* request_free;
200			socket_type server_s[2];
201			fd_set block_read_fdset;
202			fd_set block_write_fdset;
203			struct timeval req_timeout;
204			int sighup_flag; /* 1 => signal has happened, needs attention */
205			int sigchld_flag; /* 1 => signal has happened, needs attention */
206			int sigalrm_flag; /* 1 => signal has happened, needs attention */
207			int sigusr1_flag; /* 1 => signal has happened, needs attention */
208			int sigterm_flag; /* lame duck mode */
209
210			int max_fd;
211
212			int sockbufsize;
213			struct status status;
214			int total_connections;
215
216			/* for SIGBUS handling */
217			jmp_buf env;
218			int handle_sigbus;
219
220			} server_params;
221
222			/* global server variables */
223
224			extern char *access_log_name;
225			extern char *error_log_name;
226			extern char *cgi_log_name;
227			extern int cgi_log_fd;
228			extern int use_localtime;
229	nmav	1.9
230			extern int max_files_cache;
231			extern int max_file_size_cache;
232	nmav	1.5
233			extern int boa_ssl;
234	nmav	1.1
235			extern int server_port;
236			extern int ssl_port;
237			extern uid_t server_uid;
238			extern gid_t server_gid;
239			extern char *server_admin;
240			extern char *server_root;
241			extern char *server_name;
242			extern char *server_ip;
243			extern int max_fd;
244			extern int devnullfd;
245
246			extern char *default_type;
247	nmav	1.11	extern char *default_charset;
248	nmav	1.1	extern char *dirmaker;
249			extern char *mime_types;
250			extern char *cachedir;
251
252	nmav	1.6	extern char *default_document_root;
253	nmav	1.7	extern int default_document_root_size;
254	nmav	1.6
255	nmav	1.1	extern char *tempdir;
256	nmav	1.16	extern int tempdir_len;
257	nmav	1.1
258			extern char *cgi_path;
259			extern int single_post_limit;
260
261			extern int ka_timeout;
262			extern int ka_max;
263
264	nmav	1.14	extern int hic_sigchld_flag;
265	nmav	1.1	extern time_t start_time;
266
267			extern int pending_requests;
268			extern long int max_connections;
269
270			extern int verbose_cgi_logs;
271
272			extern int backlog;
273			extern time_t current_time;
274
275	nmav	1.14	#ifdef ENABLE_HIC
276			extern pthread_t hic_tid;
277			#endif
278	nmav	1.1
279			#endif