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32 | #ifndef GVPE_CONF_H__ |
32 | #ifndef GVPE_CONF_H__ |
33 | #define GVPE_CONF_H__ |
33 | #define GVPE_CONF_H__ |
34 | |
34 | |
35 | #include <vector> |
35 | #include <vector> |
36 | |
36 | |
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37 | #include <sys/types.h> |
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38 | |
37 | #include <openssl/rsa.h> |
39 | #include <openssl/rsa.h> |
38 | |
40 | |
39 | #include "slog.h" |
41 | #include "slog.h" |
40 | #include "global.h" |
42 | #include "global.h" |
41 | |
43 | |
42 | #define DEFAULT_REKEY 3600 |
44 | #define DEFAULT_REKEY 3607 // interval between rekeys |
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45 | #define DEFAULT_RESEED 3613 // interval between rng reseeds |
43 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...) |
46 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...) |
44 | #define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare |
47 | #define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare |
45 | #define DEFAULT_MTU 1500 // let's ether-net |
48 | #define DEFAULT_MTU 1500 // let's ether-net |
46 | #define DEFAULT_MAX_RETRY 3600 // retry at least this often |
49 | #define DEFAULT_MAX_RETRY 3600 // retry at least this often |
47 | #define DEFAULT_MAX_TTL 60 // packets expire after this many seconds |
50 | #define DEFAULT_MAX_TTL 60 // packets expire after this many seconds |
48 | #define DEFAULT_MAX_QUEUE 512 // never queue more than this many packets |
51 | #define DEFAULT_MAX_QUEUE 512 // never queue more than this many packets |
49 | |
52 | |
50 | #define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple |
53 | #define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple |
51 | #define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval |
54 | #define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval |
52 | #define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate |
55 | #define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate |
53 | #define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests |
56 | #define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests |
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57 | PROT_UDPv4 = 0x01, // udp over ipv4 |
60 | PROT_UDPv4 = 0x01, // udp over ipv4 |
58 | PROT_IPv4 = 0x02, // generic ip protocol |
61 | PROT_IPv4 = 0x02, // generic ip protocol |
59 | PROT_TCPv4 = 0x04, // tcp over ipv4 (server) |
62 | PROT_TCPv4 = 0x04, // tcp over ipv4 (server) |
60 | PROT_ICMPv4 = 0x08, // icmp over ipv4 |
63 | PROT_ICMPv4 = 0x08, // icmp over ipv4 |
61 | PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server) |
64 | PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server) |
62 | PROT_IPv42 = 0x20, // temporary hack to invetsigate packet loss |
65 | PROT_ALL = 0x1f |
63 | PROT_EMPTY = 0x00 // not used |
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64 | }; |
66 | }; |
65 | |
67 | |
66 | #define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4) |
68 | #define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4) |
67 | #define PROT_SLOW PROT_DNSv4 |
69 | #define PROT_SLOW PROT_DNSv4 |
68 | |
70 | |
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91 | int max_queue; // maixmum send queue length |
93 | int max_queue; // maixmum send queue length |
92 | |
94 | |
93 | enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode; |
95 | enum connectmode { C_ONDEMAND, C_NEVER, C_ALWAYS, C_DISABLED } connectmode; |
94 | bool compress; |
96 | bool compress; |
95 | bool inherit_tos; // inherit TOS in packets send to this destination |
97 | bool inherit_tos; // inherit TOS in packets send to this destination |
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98 | bool low_power; // node is a low-power node (reduce cpu usage, wakeups and assume higher latency) |
96 | |
99 | |
97 | vector<const char *> allow_direct; |
100 | vector<const char *> allow_direct; |
98 | vector<const char *> deny_direct; |
101 | vector<const char *> deny_direct; |
99 | |
102 | |
100 | u32 routerprio; |
103 | u32 routerprio; |
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123 | { |
126 | { |
124 | typedef vector<conf_node *> node_vector; |
127 | typedef vector<conf_node *> node_vector; |
125 | node_vector nodes; |
128 | node_vector nodes; |
126 | conf_node default_node; |
129 | conf_node default_node; |
127 | conf_node *thisnode; |
130 | conf_node *thisnode; |
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131 | char serial[SERIAL_SIZE]; |
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132 | char *seed_dev; // the randomd evice to use for seeding |
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133 | double reseed; // the interval between additional seeds |
128 | int mtu; // the mtu used for outgoing tunnel packets |
134 | int mtu; // the mtu used for outgoing tunnel packets |
129 | int nfmark; // the SO_MARK // netfilter mark // fwmark |
135 | int nfmark; // the SO_MARK // netfilter mark // fwmark |
130 | double rekey; // rekey interval |
136 | double rekey; // rekey interval |
131 | double keepalive; // keepalive probes interval |
137 | double keepalive; // keepalive probes interval |
132 | char *ifname; // the interface name (tap0 ...) |
138 | char *ifname; // the interface name (tap0 ...) |
133 | bool ifpersist; // should the interface be persistent |
139 | bool ifpersist; // should the interface be persistent |
134 | char *prikeyfile; |
140 | char *prikeyfile; |
135 | RSA *rsa_key; // our private rsa key |
141 | RSA *rsa_key; // our private rsa key |
136 | loglevel llevel; |
142 | loglevel llevel; |
137 | u8 ip_proto; // the ip protocol to use |
143 | u8 ip_proto; // the ip protocol to use |
138 | #if 1//D2 |
144 | uid_t change_uid; // the uid of the user to switch to, or 0 |
139 | u8 ip2_proto; // the ip protocol to use |
145 | gid_t change_gid; // the gid of the user to switch to, or 0 |
140 | #endif |
146 | char *change_root;// the path to chroot to, "/" == anonymous |
141 | #if ENABLE_ICMP |
147 | #if ENABLE_ICMP |
142 | u8 icmp_type; // the icmp type for the icmp-protocol |
148 | u8 icmp_type; // the icmp type for the icmp-protocol |
143 | #endif |
149 | #endif |
144 | |
150 | |
145 | char *script_if_up; |
151 | char *script_if_up; |
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166 | |
172 | |
167 | void init (); |
173 | void init (); |
168 | void cleanup (); |
174 | void cleanup (); |
169 | void clear (); |
175 | void clear (); |
170 | |
176 | |
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177 | conf_node *find_node (const char *name); |
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178 | |
171 | // create a filename from string, replacing %s by the nodename |
179 | // create a filename from string, replacing %s by the nodename |
172 | // and using relative paths under confbase. |
180 | // and using relative paths under confbase. |
173 | char *config_filename (const char *name, const char *dflt = 0); |
181 | char *config_filename (const char *name, const char *dflt = 0); |
174 | |
182 | |
175 | void print (); |
183 | void print (); |