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Prevent tinc from forgeting e->local_address

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If ADD_EDGE came from tinc version 1.0.x local_address.sa.sa_family is set to 0.
If it came from tinc version 1.1.x forwarded for older verion it will be 255 - AF_UNKNOWN.
This commit is contained in:
thorkill 2015-07-07 23:14:08 +02:00
parent 5ae403f9e6
commit 06d4eac9ac
1 changed files with 4 additions and 1 deletions
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5
src/protocol_edge.c
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@ -158,8 +158,11 @@ bool add_edge_h(connection_t *c, const char *request) {
// Otherwise, just ignore it.
sockaddrfree(&local_address);
return true;
} else if(local_address.sa.sa_family) {
} else if(local_address.sa.sa_family && local_address.sa.sa_family != AF_UNKNOWN) {
// We learned a new local address for this edge.
// local_address.sa.sa_family will be 0 if we got it from older tinc versions
// local_address.sa.sa_family will be 255 (AF_UNKNOWN) if we got it from newer versions
// but for edge which does not have local_address
sockaddrfree(&e->local_address);
e->local_address = local_address;