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Remove connection_edge_streams_are_compatible

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It's dead code (not used anywhere by the current proposal 171 algorithm).
This commit is contained in:
Robert Ransom 2011-08-06 13:44:28 -07:00 committed by Nick Mathewson
parent cab3641638
commit cb24a06a3e
2 changed files with 0 additions and 54 deletions
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52
src/or/connection_edge.c
View File

@ -3346,58 +3346,6 @@ memeq_opt(const char *a, size_t alen, const char *b, size_t blen)
}
}
/** Return true iff <b>a</b> and <b>b</b> have isolation rules and fields that
* make it permissible to put them on the same circuit.*/
int
connection_edge_streams_are_compatible(const edge_connection_t *a,
const edge_connection_t *b)
{
const uint8_t iso = a->isolation_flags | b->isolation_flags;
const socks_request_t *a_sr = a->socks_request;
const socks_request_t *b_sr = b->socks_request;
if (! a->original_dest_address) {
log_warn(LD_BUG, "Reached connection_edge_streams_are_compatible without "
"having set a->original_dest_address");
((edge_connection_t*)a)->original_dest_address =
tor_strdup(a->socks_request->address);
}
if (! b->original_dest_address) {
log_warn(LD_BUG, "Reached connection_edge_streams_are_compatible without "
"having set b->original_dest_address");
((edge_connection_t*)b)->original_dest_address =
tor_strdup(a->socks_request->address);
}
if (iso & ISO_STREAM)
return 0;
if ((iso & ISO_DESTPORT) && a->socks_request->port != b->socks_request->port)
return 0;
if ((iso & ISO_DESTADDR) &&
strcasecmp(a->original_dest_address, b->original_dest_address))
return 0;
if ((iso & ISO_SOCKSAUTH) &&
(! memeq_opt(a_sr->username, a_sr->usernamelen,
b_sr->username, b_sr->usernamelen) ||
! memeq_opt(a_sr->password, a_sr->passwordlen,
b_sr->password, b_sr->passwordlen)))
return 0;
if ((iso & ISO_CLIENTPROTO) &&
(a->socks_request->listener_type != b->socks_request->listener_type ||
a->socks_request->socks_version != b->socks_request->socks_version))
return 0;
if ((iso & ISO_CLIENTADDR) &&
!tor_addr_eq(&TO_CONN(a)->addr, &TO_CONN(b)->addr))
return 0;
if ((iso & ISO_SESSIONGRP) && a->session_group != b->session_group)
return 0;
if ((iso & ISO_NYM_EPOCH) && a->nym_epoch != b->nym_epoch)
return 0;
return 1;
}
/**
* Return true iff none of the isolation flags and fields in <b>conn</b>
* should prevent it from being attached to <b>circ</b>.

2
src/or/connection_edge.h
View File

@ -105,8 +105,6 @@ hostname_type_t parse_extended_hostname(char *address, int allowdotexit);
int get_pf_socket(void);
#endif
int connection_edge_streams_are_compatible(const edge_connection_t *a,
const edge_connection_t *b);
int connection_edge_compatible_with_circuit(const edge_connection_t *conn,
const origin_circuit_t *circ);
int connection_edge_update_circuit_isolation(const edge_connection_t *conn,