… | |
… | |
27 | #include <openssl/rsa.h> |
27 | #include <openssl/rsa.h> |
28 | |
28 | |
29 | #include "slog.h" |
29 | #include "slog.h" |
30 | #include "global.h" |
30 | #include "global.h" |
31 | |
31 | |
32 | #define DEFAULT_REKEY 3600 |
32 | #define DEFAULT_REKEY 3600 |
33 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...) |
33 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...) |
34 | #define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare |
34 | #define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare |
35 | #define DEFAULT_MTU 1500 // let's ether-net |
35 | #define DEFAULT_MTU 1500 // let's ether-net |
36 | #define DEFAULT_MAX_RETRY 3600 // retry at least this often |
36 | #define DEFAULT_MAX_RETRY 3600 // retry at least this often |
|
|
37 | |
|
|
38 | #define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple |
|
|
39 | #define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval |
|
|
40 | #define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate |
|
|
41 | #define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests |
37 | |
42 | |
38 | enum { |
43 | enum |
|
|
44 | { |
39 | PROT_UDPv4 = 0x01, // udp over ipv4 |
45 | PROT_UDPv4 = 0x01, // udp over ipv4 |
40 | PROT_IPv4 = 0x02, // generic ip protocol |
46 | PROT_IPv4 = 0x02, // generic ip protocol |
41 | PROT_TCPv4 = 0x04, // tcp over ipv4 (server) |
47 | PROT_TCPv4 = 0x04, // tcp over ipv4 (server) |
42 | PROT_ICMPv4 = 0x08, // icmp over ipv4 |
48 | PROT_ICMPv4 = 0x08, // icmp over ipv4 |
43 | PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server) |
49 | PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server) |
… | |
… | |
48 | |
54 | |
49 | // select the "best" protocol of the available ones |
55 | // select the "best" protocol of the available ones |
50 | u8 best_protocol (u8 protset); |
56 | u8 best_protocol (u8 protset); |
51 | const char *strprotocol (u8 protocol); |
57 | const char *strprotocol (u8 protocol); |
52 | |
58 | |
53 | struct conf_node { |
59 | struct conf_node |
|
|
60 | { |
54 | int id; // the id of this node, a 12-bit-number |
61 | int id; // the id of this node, a 12-bit-number |
55 | |
62 | |
56 | RSA *rsa_key; // his public key |
63 | RSA *rsa_key; // his public key |
57 | char *nodename; // nodename, an internal nickname. |
64 | char *nodename; // nodename, an internal nickname. |
58 | char *hostname; // hostname, if known, or NULL. |
65 | char *hostname; // hostname, if known, or NULL. |
|
|
66 | char *if_up_data; |
59 | #if ENABLE_DNS |
67 | #if ENABLE_DNS |
60 | char *domain; // dns tunnel domain |
68 | char *domain; // dns tunnel domain |
61 | #endif |
69 | #endif |
62 | char *dns_hostname; |
70 | char *dns_hostname; |
63 | u16 dns_port; |
71 | u16 dns_port; |
… | |
… | |
75 | void print (); |
83 | void print (); |
76 | |
84 | |
77 | ~conf_node (); |
85 | ~conf_node (); |
78 | }; |
86 | }; |
79 | |
87 | |
80 | struct configuration { |
88 | struct configuration |
|
|
89 | { |
81 | typedef vector<conf_node *> node_vector; |
90 | typedef vector<conf_node *> node_vector; |
82 | node_vector nodes; |
91 | node_vector nodes; |
83 | conf_node default_node; |
92 | conf_node default_node; |
84 | conf_node *thisnode; |
93 | conf_node *thisnode; |
85 | int mtu; // the mtu used for outgoing tunnel packets |
94 | int mtu; // the mtu used for outgoing tunnel packets |
… | |
… | |
107 | #endif |
116 | #endif |
108 | |
117 | |
109 | #if ENABLE_DNS |
118 | #if ENABLE_DNS |
110 | char *dns_forw_host; |
119 | char *dns_forw_host; |
111 | u16 dns_forw_port; |
120 | u16 dns_forw_port; |
|
|
121 | float dns_timeout_factor; |
|
|
122 | float dns_send_interval; |
|
|
123 | float dns_overlap_factor; |
|
|
124 | int dns_max_outstanding; |
112 | #endif |
125 | #endif |
113 | |
126 | |
114 | void init (); |
127 | void init (); |
115 | void cleanup (); |
128 | void cleanup (); |
116 | void read_config (bool need_keys); |
|
|
117 | void clear_config (); |
129 | void clear (); |
118 | |
130 | |
119 | // create a filename from string, replacing %s by the nodename |
131 | // create a filename from string, replacing %s by the nodename |
120 | // and using relative paths under confbase. |
132 | // and using relative paths under confbase. |
121 | char *config_filename (const char *name, const char *dflt); |
133 | char *config_filename (const char *name, const char *dflt); |
122 | |
134 | |
… | |
… | |
124 | |
136 | |
125 | configuration (); |
137 | configuration (); |
126 | ~configuration (); |
138 | ~configuration (); |
127 | }; |
139 | }; |
128 | |
140 | |
|
|
141 | struct configuration_parser |
|
|
142 | { |
|
|
143 | configuration &conf; |
|
|
144 | |
|
|
145 | bool need_keys; |
|
|
146 | conf_node *node; |
|
|
147 | |
|
|
148 | int argc; |
|
|
149 | char **argv; |
|
|
150 | |
|
|
151 | configuration_parser (configuration &conf, bool need_keys, int argc, char **argv); |
|
|
152 | |
|
|
153 | const char *parse_line (char *line); |
|
|
154 | void parse_argv (); |
|
|
155 | }; |
|
|
156 | |
129 | extern struct configuration conf; |
157 | extern struct configuration conf; |
130 | |
158 | |
131 | #define THISNODE ::conf.thisnode |
159 | #define THISNODE ::conf.thisnode |
132 | |
160 | |
133 | #endif |
161 | #endif |