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Be liberal in accepting KEY_CHANGED/REQ_KEY/ANS_KEY requests.

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When we got a key request for or from a node we don't know, we disconnected the
node that forwarded us that request.  However, especially in TunnelServer mode,
disconnecting does not help. We now ignore such requests, but since there is no
way of telling the original sender that the request was dropped, we now retry
sending REQ_KEY requests when we don't get an ANS_KEY back.
This commit is contained in:
Guus Sliepen 2010-01-23 18:48:01 +01:00
parent 469fa318bc
commit d15099e002
4 changed files with 35 additions and 20 deletions
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3
src/node.h
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@ -30,7 +30,7 @@
typedef struct node_status_t {
int unused_active:1; /* 1 if active (not used for nodes) */
int validkey:1; /* 1 if we currently have a valid key for him */
int waitingforkey:1; /* 1 if we already sent out a request */
int unused_waitingforkey:1; /* 1 if we already sent out a request */
int visited:1; /* 1 if this node has been visited by one of the graph algorithms */
int reachable:1; /* 1 if this node is reachable in the graph */
int indirect:1; /* 1 if this node is not directly reachable by us */
@ -45,6 +45,7 @@ typedef struct node_t {
char *hostname; /* the hostname of its real ip */
node_status_t status;
time_t last_req_key;
const EVP_CIPHER *incipher; /* Cipher type for UDP packets received from him */
char *inkey; /* Cipher key and iv */