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once-campfire/Gemfile.lock
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Jeremy Daer c860b51109 Take the SSRF address policy from surfguard instead of keeping our own copy (#241)
* Take the SSRF address policy from surfguard instead of keeping our own copy

Four other apps carried this same classification and the five had drifted into
four different ideas of what "internal" means. It now comes from the surfguard
gem, which is their union. resolve and Violation keep their shapes, so the
opengraph callers are unchanged.

Two verdicts change.

SIIT (::ffff:0:0:0/96) is now recognised. It is the third way an IPv4 address
rides inside an IPv6 one and the only one Ruby has no predicate for --
ipv4_mapped?, ipv4_compat?, private?, loopback? and link_local? are all false
for ::ffff:0:a9fe:a9fe, so it fell through to the IPv6 branch unrecognised and
reached the metadata endpoint. Note the extra group: ::ffff:0:0:0/96 is not the
IPv4-mapped ::ffff:0:0/96 the guard already refused, and the two do not overlap.

The RFC 8215 local-use NAT64 block is now refused whole rather than decoded.
Reading its low 32 bits as an embedded IPv4 is only correct for a /96 Pref64;
the block can host any length from /32 to /96 and the position is not
recoverable from the address alone (RFC 6052 2.2), so the decode reads the
wrong octets. It is never globally routed, so refusing it costs nothing. The
well-known /96 is still decoded and re-checked, so DNS64 for public sites on
IPv6-only hosts keeps working.

Resolution moves from Resolv.getaddress to Resolv.getaddresses, so the guard
sees every address a host answers with rather than only the first.

* Distinguish a DNS lookup failure from a private-IP block in the guard

Advance the surfguard pin so resolve_public_ips raises Unresolvable when a
host resolves to nothing and returns an empty list only when it resolves to a
blocked address. The shim lets Unresolvable propagate as a lookup failure --
matching the old Resolv.getaddress behavior -- and reserves Violation for a
resolved-but-blocked address, so a transient DNS miss is no longer reported as
an SSRF attempt.
2026-08-20 01:59:19 -07:00

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GIT
remote: https://github.com/basecamp/surfguard.git
revision: 910be917fd0ab782c5ea939698d44f26694a501d
specs:
surfguard (0.1.0)
GIT
remote: https://github.com/hotwired/turbo-rails.git
revision: 30cd8fcc6f82c1ad4edd1ed6069ba878f21f02b3
specs:
turbo-rails (2.0.16)
actionpack (>= 7.1.0)
railties (>= 7.1.0)
GIT
remote: https://github.com/rails/importmap-rails.git
revision: 51c1a531327fc04ed4552bb0fd523eb43561b817
specs:
importmap-rails (2.2.2)
actionpack (>= 6.0.0)
activesupport (>= 6.0.0)
railties (>= 6.0.0)
GIT
remote: https://github.com/rails/propshaft.git
revision: e49a9de659ff27462015e54dd832e86e762a6ddc
specs:
propshaft (1.2.1)
actionpack (>= 7.0.0)
activesupport (>= 7.0.0)
rack
GIT
remote: https://github.com/rails/rails.git
revision: 1a02651ac37fb64b4de2a2b73461d86acf9c98fb
branch: main
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actionpack (= 8.2.0.alpha)
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logger (>= 1.4.2)
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remote: https://rubygems.org/
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prettyprint
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minitest
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logger
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openssl (~> 3.0)
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addressable (>= 2.8.0)
crack (>= 0.3.2)
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websocket-driver (0.8.2)
base64
websocket-extensions (>= 0.1.0)
websocket-extensions (0.1.5)
xpath (3.2.0)
nokogiri (~> 1.8)
zeitwerk (2.7.3)
PLATFORMS
aarch64-linux
arm64-darwin
x86_64-darwin
x86_64-linux
DEPENDENCIES
bcrypt
benchmark
brakeman
bundler-audit
capybara
debug
faker
geared_pagination
image_processing (>= 1.2)
importmap-rails!
jbuilder
kredis
mocha
net-http-persistent
ostruct
platform_agent
propshaft!
puma (~> 7.2, >= 7.2.1)
rails!
rails_autolink
redis (~> 5.4)
resque (~> 2.7.0)
resque-pool (~> 0.7.1)
rqrcode
rubocop-rails-omakase
selenium-webdriver
sentry-rails
sentry-ruby
sqlite3
stimulus-rails
surfguard!
thruster
turbo-rails!
web-push
webmock
BUNDLED WITH
4.0.13