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Preemptive circuits for HSes should now be vanguard circuits

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Co-authored-by: Mike Perry <mikeperry-git@torproject.org>
This commit is contained in:
George Kadianakis 2021-07-01 17:50:41 +03:00
parent e23947716e
commit 0240c00929
1 changed files with 5 additions and 21 deletions
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26
src/core/or/circuituse.c
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@ -1204,25 +1204,6 @@ needs_circuits_for_build(int num)
return 0; return 0;
} }
/**
* Launch the appropriate type of predicted circuit for hidden
* services, depending on our options.
*/
static void
circuit_launch_predicted_hs_circ(int flags)
{
/* K.I.S.S. implementation of bug #23101: If we are using
* vanguards or pinned middles, pre-build a specific purpose
* for HS circs. */
if (circuit_should_use_vanguards(CIRCUIT_PURPOSE_HS_VANGUARDS)) {
circuit_launch(CIRCUIT_PURPOSE_HS_VANGUARDS, flags);
} else {
/* If no vanguards, then no HS-specific prebuilt circuits are needed.
* Normal GENERAL circs are fine */
circuit_launch(CIRCUIT_PURPOSE_C_GENERAL, flags);
}
}
/** Determine how many circuits we have open that are clean, /** Determine how many circuits we have open that are clean,
* Make sure it's enough for all the upcoming behaviors we predict we'll have. * Make sure it's enough for all the upcoming behaviors we predict we'll have.
* But put an upper bound on the total number of circuits. * But put an upper bound on the total number of circuits.
@ -1276,7 +1257,7 @@ circuit_predict_and_launch_new(void)
"Have %d clean circs (%d internal), need another internal " "Have %d clean circs (%d internal), need another internal "
"circ for my hidden service.", "circ for my hidden service.",
num, num_internal); num, num_internal);
circuit_launch_predicted_hs_circ(flags); circuit_launch(CIRCUIT_PURPOSE_HS_VANGUARDS, flags);
return; return;
} }
@ -1295,7 +1276,10 @@ circuit_predict_and_launch_new(void)
" another hidden service circ.", " another hidden service circ.",
num, num_uptime_internal, num_internal); num, num_uptime_internal, num_internal);
circuit_launch_predicted_hs_circ(flags); /* Always launch vanguards purpose circuits for HS clients,
* for vanguards-lite. This prevents us from cannibalizing
* to build these circuits (and thus not use vanguards). */
circuit_launch(CIRCUIT_PURPOSE_HS_VANGUARDS, flags);
return; return;
} }