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40 | |
40 | |
41 | #include "connection.h" |
41 | #include "connection.h" |
42 | #include "util.h" |
42 | #include "util.h" |
43 | #include "vpn.h" |
43 | #include "vpn.h" |
44 | |
44 | |
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45 | vpn network; // THE vpn (bad design...) |
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46 | |
45 | ///////////////////////////////////////////////////////////////////////////// |
47 | ///////////////////////////////////////////////////////////////////////////// |
46 | |
48 | |
47 | const char *vpn::script_if_up () |
49 | const char *vpn::script_if_up () |
48 | { |
50 | { |
49 | // the tunnel device mtu should be the physical mtu - overhead |
51 | // the tunnel device mtu should be the physical mtu - overhead |
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52 | mtu += ETH_OVERHEAD - 6 - 6; // now we have the data portion |
54 | mtu += ETH_OVERHEAD - 6 - 6; // now we have the data portion |
53 | mtu -= mtu % EVP_CIPHER_block_size (CIPHER); // round |
55 | mtu -= mtu % EVP_CIPHER_block_size (CIPHER); // round |
54 | mtu -= ETH_OVERHEAD - 6 - 6; // and get interface mtu again |
56 | mtu -= ETH_OVERHEAD - 6 - 6; // and get interface mtu again |
55 | |
57 | |
56 | char *env; |
58 | char *env; |
57 | asprintf (&env, "CONFBASE=%s", confbase); |
59 | asprintf (&env, "CONFBASE=%s", confbase); putenv (env); |
58 | putenv (env); |
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59 | asprintf (&env, "NODENAME=%s", THISNODE->nodename); |
60 | asprintf (&env, "NODENAME=%s", THISNODE->nodename); putenv (env); |
60 | putenv (env); |
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61 | asprintf (&env, "NODEID=%d", THISNODE->id); |
61 | asprintf (&env, "NODEID=%d", THISNODE->id); putenv (env); |
62 | putenv (env); |
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63 | asprintf (&env, "IFNAME=%s", tap->interface ()); |
62 | asprintf (&env, "IFNAME=%s", tap->interface ()); putenv (env); |
64 | putenv (env); |
63 | asprintf (&env, "IFTYPE=%s", IFTYPE); putenv (env); |
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64 | asprintf (&env, "IFSUBTYPE=%s", IFSUBTYPE); putenv (env); |
65 | asprintf (&env, "MTU=%d", mtu); |
65 | asprintf (&env, "MTU=%d", mtu); putenv (env); |
66 | putenv (env); |
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67 | asprintf (&env, "MAC=%02x:%02x:%02x:%02x:%02x:%02x", |
66 | asprintf (&env, "MAC=%02x:%02x:%02x:%02x:%02x:%02x", |
68 | 0xfe, 0xfd, 0x80, 0x00, THISNODE->id >> 8, |
67 | 0xfe, 0xfd, 0x80, 0x00, THISNODE->id >> 8, |
69 | THISNODE->id & 0xff); |
68 | THISNODE->id & 0xff); |
70 | putenv (env); |
69 | putenv (env); |
71 | |
70 | |