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37 | #include <openssl/rsa.h> |
37 | #include <openssl/rsa.h> |
38 | |
38 | |
39 | #include "slog.h" |
39 | #include "slog.h" |
40 | #include "global.h" |
40 | #include "global.h" |
41 | |
41 | |
42 | #define DEFAULT_REKEY 3600 |
42 | #define DEFAULT_REKEY 3607 // interval between rekeys |
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43 | #define DEFAULT_RESEED 3613 // interval between rng reseeds |
43 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...) |
44 | #define DEFAULT_KEEPALIVE 60 // one keepalive/minute (it's just 8 bytes...) |
44 | #define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare |
45 | #define DEFAULT_UDPPORT 655 // same as tinc, conflicts would be rare |
45 | #define DEFAULT_MTU 1500 // let's ether-net |
46 | #define DEFAULT_MTU 1500 // let's ether-net |
46 | #define DEFAULT_MAX_RETRY 3600 // retry at least this often |
47 | #define DEFAULT_MAX_RETRY 3600 // retry at least this often |
47 | #define DEFAULT_MAX_TTL 60 // packets expire after this many seconds |
48 | #define DEFAULT_MAX_TTL 60 // packets expire after this many seconds |
48 | #define DEFAULT_MAX_QUEUE 512 // never queue more than this many packets |
49 | #define DEFAULT_MAX_QUEUE 512 // never queue more than this many packets |
49 | |
50 | |
50 | #define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple |
51 | #define DEFAULT_DNS_TIMEOUT_FACTOR 8.F // initial retry timeout multiple |
51 | #define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval |
52 | #define DEFAULT_DNS_SEND_INTERVAL .01F // minimum send interval |
52 | #define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate |
53 | #define DEFAULT_DNS_OVERLAP_FACTOR .5F // RTT * LATENCY_FACTOR == sending rate |
53 | #define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests |
54 | #define DEFAULT_DNS_MAX_OUTSTANDING 100 // max. number of outstanding requests |
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57 | PROT_UDPv4 = 0x01, // udp over ipv4 |
58 | PROT_UDPv4 = 0x01, // udp over ipv4 |
58 | PROT_IPv4 = 0x02, // generic ip protocol |
59 | PROT_IPv4 = 0x02, // generic ip protocol |
59 | PROT_TCPv4 = 0x04, // tcp over ipv4 (server) |
60 | PROT_TCPv4 = 0x04, // tcp over ipv4 (server) |
60 | PROT_ICMPv4 = 0x08, // icmp over ipv4 |
61 | PROT_ICMPv4 = 0x08, // icmp over ipv4 |
61 | PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server) |
62 | PROT_DNSv4 = 0x10, // dns tunnel ipv4 (server) |
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63 | PROT_ALL = 0x1f |
62 | }; |
64 | }; |
63 | |
65 | |
64 | #define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4) |
66 | #define PROT_RELIABLE (PROT_TCPv4 | PROT_DNSv4) |
65 | #define PROT_SLOW PROT_DNSv4 |
67 | #define PROT_SLOW PROT_DNSv4 |
66 | |
68 | |
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121 | { |
123 | { |
122 | typedef vector<conf_node *> node_vector; |
124 | typedef vector<conf_node *> node_vector; |
123 | node_vector nodes; |
125 | node_vector nodes; |
124 | conf_node default_node; |
126 | conf_node default_node; |
125 | conf_node *thisnode; |
127 | conf_node *thisnode; |
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128 | char *seed_dev; // the randomd evice to use for seeding |
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129 | double reseed; // the interval between additional seeds |
126 | int mtu; // the mtu used for outgoing tunnel packets |
130 | int mtu; // the mtu used for outgoing tunnel packets |
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131 | int nfmark; // the SO_MARK // netfilter mark // fwmark |
127 | double rekey; // rekey interval |
132 | double rekey; // rekey interval |
128 | double keepalive; // keepalive probes interval |
133 | double keepalive; // keepalive probes interval |
129 | char *ifname; // the interface name (tap0 ...) |
134 | char *ifname; // the interface name (tap0 ...) |
130 | bool ifpersist; // should the interface be persistent |
135 | bool ifpersist; // should the interface be persistent |
131 | char *prikeyfile; |
136 | char *prikeyfile; |
132 | RSA *rsa_key; // our private rsa key |
137 | RSA *rsa_key; // our private rsa key |
133 | loglevel llevel; |
138 | loglevel llevel; |
134 | u8 ip_proto; // the ip protocol to use |
139 | u8 ip_proto; // the ip protocol to use |
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140 | uid_t change_uid; // the uid of the user to switch to, or 0 |
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141 | gid_t change_gid; // the gid of the user to switch to, or 0 |
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142 | char *change_root;// the path to chroot to, "/" == anonymous |
135 | #if ENABLE_ICMP |
143 | #if ENABLE_ICMP |
136 | u8 icmp_type; // the icmp type for the icmp-protocol |
144 | u8 icmp_type; // the icmp type for the icmp-protocol |
137 | #endif |
145 | #endif |
138 | |
146 | |
139 | char *script_if_up; |
147 | char *script_if_up; |
140 | char *script_node_up; |
148 | char *script_node_up; |
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149 | char *script_node_change; |
141 | char *script_node_down; |
150 | char *script_node_down; |
142 | char *pidfilename; |
151 | char *pidfilename; |
143 | |
152 | |
144 | #if ENABLE_HTTP_PROXY |
153 | #if ENABLE_HTTP_PROXY |
145 | char *proxy_auth; // login:password |
154 | char *proxy_auth; // login:password |
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147 | u16 proxy_port; // the proxy port, e.g. 3128 |
156 | u16 proxy_port; // the proxy port, e.g. 3128 |
148 | #endif |
157 | #endif |
149 | |
158 | |
150 | #if ENABLE_DNS |
159 | #if ENABLE_DNS |
151 | char *dns_forw_host; |
160 | char *dns_forw_host; |
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161 | bool dns_case_preserving; |
152 | u16 dns_forw_port; |
162 | u16 dns_forw_port; |
153 | float dns_timeout_factor; |
163 | float dns_timeout_factor; |
154 | float dns_send_interval; |
164 | float dns_send_interval; |
155 | float dns_overlap_factor; |
165 | float dns_overlap_factor; |
156 | int dns_max_outstanding; |
166 | int dns_max_outstanding; |
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158 | |
168 | |
159 | void init (); |
169 | void init (); |
160 | void cleanup (); |
170 | void cleanup (); |
161 | void clear (); |
171 | void clear (); |
162 | |
172 | |
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173 | conf_node *find_node (const char *name); |
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174 | |
163 | // create a filename from string, replacing %s by the nodename |
175 | // create a filename from string, replacing %s by the nodename |
164 | // and using relative paths under confbase. |
176 | // and using relative paths under confbase. |
165 | char *config_filename (const char *name, const char *dflt); |
177 | char *config_filename (const char *name, const char *dflt = 0); |
166 | |
178 | |
167 | void print (); |
179 | void print (); |
168 | |
180 | |
169 | configuration (); |
181 | configuration (); |
170 | ~configuration (); |
182 | ~configuration (); |
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180 | int argc; |
192 | int argc; |
181 | char **argv; |
193 | char **argv; |
182 | |
194 | |
183 | configuration_parser (configuration &conf, bool need_keys, int argc, char **argv); |
195 | configuration_parser (configuration &conf, bool need_keys, int argc, char **argv); |
184 | |
196 | |
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197 | void parse_file (const char *fname); |
185 | const char *parse_line (char *line); |
198 | const char *parse_line (char *line); |
186 | void parse_argv (); |
199 | void parse_argv (); |
187 | }; |
200 | }; |
188 | |
201 | |
189 | extern struct configuration conf; |
202 | extern struct configuration conf; |