1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
#define VERSION "LinuxNode v0.2.4"
#define STATE_IDLE 0
#define STATE_TRYING 1
#define STATE_CONNECTED 2
#define STATE_PINGING 3
#define STATE_EXTCMD 4
#define STATE_LOGIN 5
#define LOGLVL_NONE 0
#define LOGLVL_ERROR 1
#define LOGLVL_LOGIN 2
#define LOGLVL_GW 3
#define PERM_LOGIN 1 /* Permit login */
#define PERM_AX25 2 /* AX.25 gatewaying */
#define PERM_NETROM 4 /* NETROM gatewaying */
#define PERM_TELNET_LOCAL 8 /* Telnet to "local" hosts */
#define PERM_TELNET_AMPR 16 /* Telnet to 44.xx.xx.xx hosts */
#define PERM_TELNET_INET 32 /* Telnet to other hosts */
#define PERM_HIDDEN 64 /* Use hidden ports */
#define PERM_ROSE 128 /* ROSE gatewaying */
#define PERM_NOESC 256 /* No escape character */
#define PERM_TELNET (PERM_TELNET_LOCAL & PERM_TELNET_AMPR & PERM_TELNET_INET)
#include <sys/ipc.h> /* for key_t */
#include <errno.h>
struct user
{
int pid;
int fd;
key_t ipc_key;
long logintime;
long cmdtime;
unsigned char state;
char call[10];
unsigned short ul_type;
unsigned short dl_type;
char ul_name[32];
char dl_name[32];
char ul_port[32];
char dl_port[32];
char unused[92];
};
extern struct user User;
extern long IdleTimeout;
extern long ConnTimeout;
extern int ReConnectTo;
extern int LogLevel;
extern int EscChar;
extern char *HostName;
extern char *NodeId;
extern char *NrPort;
#define CMD_INTERNAL 1
#define CMD_ALIAS 2
#define CMD_EXTERNAL 3
struct cmd {
char *name;
int len;
int type;
int (*function) (int argc, char **argv);
char *command;
int flags;
int uid;
int gid;
char *path;
struct cmd *next;
};
extern struct cmd *Nodecmds;
#define min(a,b) ((a) < (b) ? (a) : (b))
#define max(a,b) ((a) > (b) ? (a) : (b))
/* in cmdparse.c */
void free_cmdlist(struct cmd *list);
extern void insert_cmd(struct cmd **list, struct cmd *new);
extern int add_internal_cmd(struct cmd **list, char *name, int len, int (*function) (int argc, char **argv));
extern int parse_args(char **argv, char *cmd);
extern int cmdparse(struct cmd *cmdp, char *cmdline);
/* in util.c */
extern void node_msg(const char *fmt, ...);
extern void node_perror(char *str, int err);
extern char *print_node(const char *alias, const char *call);
extern void log(int, const char *, ...);
/* in user.c */
extern void login_user(void);
extern void logout_user(void);
extern void update_user(void);
extern int user_list(int argc, char **argv);
extern int user_count(void);
/* in config.c */
extern int is_hidden(const char *port);
extern int check_perms(int what, unsigned long peer);
extern char *read_perms(struct user *up, unsigned long peer);
extern int read_config(void);
extern int get_escape(char *s);
/* in command.c */
void init_nodecmds(void);
extern void logout(char *reason);
extern int do_bye(int argc, char **argv);
extern int do_escape(int argc, char **argv);
extern int do_mheard(int argc, char **argv);
extern int do_help(int argc, char **argv);
extern int do_host(int argc, char **argv);
extern int do_ports(int argc, char **argv);
extern int do_links(int argc, char **argv);
extern int do_routes(int argc, char **argv);
extern int do_nodes(int argc, char **argv);
extern int do_status(int argc, char **argv);
/* in gateway.c */
extern int do_connect(int argc, char **argv);
extern int do_finger(int argc, char **argv);
extern int do_ping(int argc, char **argv);
/* in ipc.c */
extern int ipc_open(void);
extern int ipc_close(void);
extern int do_talk(int argc, char **argv);
/* in extcmd.c */
extern int extcmd(struct cmd *cmdp, char **argv);
|
