nterfacer/nterfacer.h

   1 /*
   2   nterfacer
   3   Copyright (C) 2004 Chris Porter.
   4 */
   5
   6 #ifndef __nterfacer_H
   7 #define __nterfacer_H
   8
   9 #include <sys/types.h>
  10 #include <netinet/in.h>
  11
  12 #include "../lib/sstring.h"
  13
  14 #include "esockets.h"
  15 #include "library.h"
  16
  17 #define BF_OK      0x00
  18 #define BF_OVER    0xFF
  19
  20 #define SS_IDLE           0x00
  21 #define SS_VERSIONED      0x01
  22 #define SS_AUTHENTICATED  0x02
  23
  24 #define NTERFACER_PORT    2438
  25
  26 #define MAX_ARGS 100
  27
  28 #define PROTOCOL_VERSION "4"
  29 #define ANTI_FULL_VERSION "service_link " PROTOCOL_VERSION
  30
  31 struct rline;
  32
  33 typedef int (*handler_function)(struct rline *ri, int argc, char **argv);
  34
  35 typedef struct handler {
  36   sstring *command;
  37   int args; /* MINIMUM ARGUMENTS */
  38   handler_function function;
  39   struct handler *next;
  40   void *service;
  41 } handler;
  42
  43 typedef struct service_node {
  44   sstring *name;
  45   struct handler *handlers;
  46   struct service_node *next;
  47 } service_node;
  48
  49 typedef struct rline {
  50   struct handler *handler;
  51   int id;
  52   struct service_node *service;
  53   char buf[MAX_BUFSIZE];
  54   char *curpos;
  55   struct rline *next;
  56   void *tag;
  57   struct esocket *socket;
  58 } rline;
  59
  60 typedef struct permitted {
  61   sstring *hostname;
  62   sstring *password;
  63   in_addr_t ihost;
  64 } permitted;
  65
  66 typedef struct sconnect {
  67   int status;
  68   char response[32 * 2 + 1], challenge[32 * 2 + 1];
  69   unsigned char iv[16];
  70   struct permitted *permit;
  71   unsigned char ournonce[16];
  72 } sconnect;
  73
  74 extern struct nterface_auto_log *nrl;
  75
  76 struct service_node *register_service(char *name);
  77 struct handler *register_handler(struct service_node *service, char *command, int args, handler_function fp);
  78 void deregister_service(struct service_node *service);
  79 void deregister_handler(struct handler *hp);
  80 int respond(struct rline *li, int argc, ...);
  81 int error_respond(struct rline *li, int error_code, char *format, ...);
  82
  83 int ri_append(struct rline *li, char *format, ...);
  84 int ri_error(struct rline *li, int error_code, char *format, ...);
  85 int ri_final(struct rline *li);
  86
  87 int load_permits(void);
  88 int setup_listening_socket(void);
  89
  90 void nterfacer_accept_event(struct esocket *socket);
  91 void nterfacer_disconnect_event(struct esocket *socket);
  92 int nterfacer_line_event(struct esocket *socket, char *newline);
  93 int nterfacer_new_rline(char *line, struct esocket *socket, int *number);
  94 struct sconnect *find_sconnect_from_fd(int fd);
  95
  96 #endif
  97