1 014c66b6 2023-06-25 op /*
  2 014c66b6 2023-06-25 op  * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
  3 014c66b6 2023-06-25 op  *
  4 014c66b6 2023-06-25 op  * Permission to use, copy, modify, and distribute this software for any
  5 014c66b6 2023-06-25 op  * purpose with or without fee is hereby granted, provided that the above
  6 014c66b6 2023-06-25 op  * copyright notice and this permission notice appear in all copies.
  7 014c66b6 2023-06-25 op  *
  8 014c66b6 2023-06-25 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 014c66b6 2023-06-25 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 014c66b6 2023-06-25 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 014c66b6 2023-06-25 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 014c66b6 2023-06-25 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 014c66b6 2023-06-25 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 014c66b6 2023-06-25 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 014c66b6 2023-06-25 op  */
 16 014c66b6 2023-06-25 op 
 17 014c66b6 2023-06-25 op #define FD_RESERVE	5
 18 014c66b6 2023-06-25 op #define GEMINI_MAXLEN	1025	/* including NUL */
 19 014c66b6 2023-06-25 op 
 20 014c66b6 2023-06-25 op #ifdef DEBUG
 21 014c66b6 2023-06-25 op #define DPRINTF		log_debug
 22 014c66b6 2023-06-25 op #else
 23 014c66b6 2023-06-25 op #define DPRINTF(x...)	do {} while (0)
 24 014c66b6 2023-06-25 op #endif
 25 014c66b6 2023-06-25 op 
 26 014c66b6 2023-06-25 op struct bufferevent;
 27 014c66b6 2023-06-25 op struct event;
 28 014c66b6 2023-06-25 op struct fcgi;
 29 014c66b6 2023-06-25 op struct sqlite3;
 30 014c66b6 2023-06-25 op struct sqlite3_stmt;
 31 014c66b6 2023-06-25 op 
 32 014c66b6 2023-06-25 op enum {
 33 014c66b6 2023-06-25 op 	METHOD_UNKNOWN,
 34 014c66b6 2023-06-25 op 	METHOD_GET,
 35 014c66b6 2023-06-25 op 	METHOD_POST,
 36 014c66b6 2023-06-25 op };
 37 014c66b6 2023-06-25 op 
 38 014c66b6 2023-06-25 op struct client {
 39 014c66b6 2023-06-25 op 	uint32_t		 clt_id;
 40 014c66b6 2023-06-25 op 	int			 clt_fd;
 41 014c66b6 2023-06-25 op 	struct fcgi		*clt_fcgi;
 42 014c66b6 2023-06-25 op 	char			*clt_server_name;
 43 014c66b6 2023-06-25 op 	char			*clt_script_name;
 44 014c66b6 2023-06-25 op 	char			*clt_path_info;
 45 014c66b6 2023-06-25 op 	char			*clt_query;
 46 014c66b6 2023-06-25 op 	int			 clt_method;
 47 014c66b6 2023-06-25 op #if template
 48 014c66b6 2023-06-25 op 	struct template		*clt_tp;
 49 014c66b6 2023-06-25 op #endif
 50 014c66b6 2023-06-25 op 	char			 clt_buf[1024];
 51 014c66b6 2023-06-25 op 	size_t			 clt_buflen;
 52 014c66b6 2023-06-25 op 
 53 014c66b6 2023-06-25 op 	SPLAY_ENTRY(client)	 clt_nodes;
 54 014c66b6 2023-06-25 op };
 55 014c66b6 2023-06-25 op SPLAY_HEAD(client_tree, client);
 56 014c66b6 2023-06-25 op 
 57 014c66b6 2023-06-25 op struct fcgi {
 58 014c66b6 2023-06-25 op 	uint32_t		 fcg_id;
 59 014c66b6 2023-06-25 op 	int			 fcg_s;
 60 014c66b6 2023-06-25 op 	struct client_tree	 fcg_clients;
 61 014c66b6 2023-06-25 op 	struct bufferevent	*fcg_bev;
 62 014c66b6 2023-06-25 op 	int			 fcg_toread;
 63 014c66b6 2023-06-25 op 	int			 fcg_want;
 64 014c66b6 2023-06-25 op 	int			 fcg_padding;
 65 014c66b6 2023-06-25 op 	int			 fcg_type;
 66 014c66b6 2023-06-25 op 	int			 fcg_rec_id;
 67 014c66b6 2023-06-25 op 	int			 fcg_keep_conn;
 68 014c66b6 2023-06-25 op 	int			 fcg_done;
 69 014c66b6 2023-06-25 op 
 70 014c66b6 2023-06-25 op 	struct env		*fcg_env;
 71 014c66b6 2023-06-25 op 
 72 014c66b6 2023-06-25 op 	SPLAY_ENTRY(fcgi)	 fcg_nodes;
 73 014c66b6 2023-06-25 op };
 74 014c66b6 2023-06-25 op SPLAY_HEAD(fcgi_tree, fcgi);
 75 014c66b6 2023-06-25 op 
 76 014c66b6 2023-06-25 op struct env {
 77 014c66b6 2023-06-25 op 	int			 env_sockfd;
 78 014c66b6 2023-06-25 op 	struct event		 env_sockev;
 79 014c66b6 2023-06-25 op 	struct event		 env_pausev;
 80 014c66b6 2023-06-25 op 	struct fcgi_tree	 env_fcgi_socks;
 81 014c66b6 2023-06-25 op 
 82 014c66b6 2023-06-25 op 	struct sqlite3		*env_db;
 83 014c66b6 2023-06-25 op 	struct sqlite3_stmt	*env_qsearch;
 84 014c66b6 2023-06-25 op 	struct sqlite3_stmt	*env_qfullpkgpath;
 85 014c66b6 2023-06-25 op 	struct sqlite3_stmt	*env_qcats;
 86 014c66b6 2023-06-25 op 	struct sqlite3_stmt	*env_qbycat;
 87 014c66b6 2023-06-25 op };
 88 014c66b6 2023-06-25 op 
 89 014c66b6 2023-06-25 op /* fcgi.c */
 90 014c66b6 2023-06-25 op int	fcgi_end_request(struct client *, int);
 91 014c66b6 2023-06-25 op int	fcgi_abort_request(struct client *);
 92 014c66b6 2023-06-25 op void	fcgi_accept(int, short, void *);
 93 014c66b6 2023-06-25 op void	fcgi_read(struct bufferevent *, void *);
 94 014c66b6 2023-06-25 op void	fcgi_write(struct bufferevent *, void *);
 95 014c66b6 2023-06-25 op void	fcgi_error(struct bufferevent *, short, void *);
 96 014c66b6 2023-06-25 op void	fcgi_free(struct fcgi *);
 97 014c66b6 2023-06-25 op int	clt_putc(struct client *, char);
 98 014c66b6 2023-06-25 op int	clt_puts(struct client *, const char *);
 99 014c66b6 2023-06-25 op int	clt_write_bufferevent(struct client *, struct bufferevent *);
100 014c66b6 2023-06-25 op int	clt_flush(struct client *);
101 014c66b6 2023-06-25 op int	clt_write(struct client *, const uint8_t *, size_t);
102 014c66b6 2023-06-25 op int	clt_printf(struct client *, const char *, ...)
103 014c66b6 2023-06-25 op 	    __attribute__((__format__(printf, 2, 3)))
104 014c66b6 2023-06-25 op 	    __attribute__((__nonnull__(2)));
105 014c66b6 2023-06-25 op #if template
106 014c66b6 2023-06-25 op int	clt_tp_puts(struct template *, const char *);
107 014c66b6 2023-06-25 op int	clt_tp_putc(struct template *, int);
108 014c66b6 2023-06-25 op #endif
109 014c66b6 2023-06-25 op int	fcgi_cmp(struct fcgi *, struct fcgi *);
110 014c66b6 2023-06-25 op int	fcgi_client_cmp(struct client *, struct client *);
111 014c66b6 2023-06-25 op 
112 014c66b6 2023-06-25 op /* server.c */
113 014c66b6 2023-06-25 op int	server_main(const char *);
114 014c66b6 2023-06-25 op int	server_handle(struct env *, struct client *);
115 014c66b6 2023-06-25 op void	server_client_free(struct client *);
116 014c66b6 2023-06-25 op 
117 014c66b6 2023-06-25 op #if template
118 014c66b6 2023-06-25 op /* ui.tmpl */
119 014c66b6 2023-06-25 op int	tp_home(struct template *);
120 014c66b6 2023-06-25 op #endif
121 014c66b6 2023-06-25 op 
122 014c66b6 2023-06-25 op SPLAY_PROTOTYPE(client_tree, client, clt_nodes, fcgi_client_cmp);
123 014c66b6 2023-06-25 op SPLAY_PROTOTYPE(fcgi_tree, fcgi, fcg_nodes, fcgi_cmp);