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init: allow startup with -onlynet=onion -listenonion=1

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It does not make sense to specify `-onlynet=onion` without providing a
Tor proxy (even if other `-onlynet=...` are given). This is checked
during startup. However, it was forgotten that a Tor proxy can also be
retrieved from "Tor control" to which we connect if `-listenonion=1`.

So, the full Tor proxy retrieval logic is:
1. get it from `-onion`
2. get it from `-proxy`
3. if `-listenonion=1`, then connect to "Tor control" and get the proxy
   from there (was forgotten before this change)

Fixes https://github.com/bitcoin/bitcoin/issues/24980
This commit is contained in:
Vasil Dimov
2022-04-26 10:45:10 +02:00
parent 5291933fed
commit 2d0b4e4ff6
2 changed files with 27 additions and 10 deletions
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21
test/functional/feature_proxy.py
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@ -332,20 +332,27 @@ class ProxyTest(BitcoinTestFramework):
msg = "Error: Invalid -i2psam address or hostname: 'def:xyz'"
self.nodes[1].assert_start_raises_init_error(expected_msg=msg)
self.log.info("Test passing -onlynet=onion with -onion=0/-noonion raises expected init error")
msg = (
"Error: Outbound connections restricted to Tor (-onlynet=onion) but "
"the proxy for reaching the Tor network is not provided (no -proxy= "
"and no -onion= given) or it is explicitly forbidden (-onion=0)"
"the proxy for reaching the Tor network is explicitly forbidden: -onion=0"
)
self.log.info("Test passing -onlynet=onion without -proxy or -onion raises expected init error")
self.nodes[1].extra_args = ["-onlynet=onion"]
self.nodes[1].assert_start_raises_init_error(expected_msg=msg)
self.log.info("Test passing -onlynet=onion with -onion=0/-noonion raises expected init error")
for arg in ["-onion=0", "-noonion"]:
self.nodes[1].extra_args = ["-onlynet=onion", arg]
self.nodes[1].assert_start_raises_init_error(expected_msg=msg)
self.log.info("Test passing -onlynet=onion without -proxy, -onion or -listenonion raises expected init error")
self.nodes[1].extra_args = ["-onlynet=onion", "-listenonion=0"]
msg = (
"Error: Outbound connections restricted to Tor (-onlynet=onion) but the proxy for "
"reaching the Tor network is not provided: none of -proxy, -onion or -listenonion is given"
)
self.nodes[1].assert_start_raises_init_error(expected_msg=msg)
self.log.info("Test passing -onlynet=onion without -proxy or -onion but with -listenonion=1 is ok")
self.start_node(1, extra_args=["-onlynet=onion", "-listenonion=1"])
self.stop_node(1)
self.log.info("Test passing unknown network to -onlynet raises expected init error")
self.nodes[1].extra_args = ["-onlynet=abc"]
msg = "Error: Unknown network specified in -onlynet: 'abc'"