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authorDavid Kalnischkies <david@kalnischkies.de>2017-10-28 00:01:27 +0200
committerDavid Kalnischkies <david@kalnischkies.de>2018-01-03 19:42:45 +0100
commit04ab37fecaf286f724bef2e0969d2b67ab5ac1b1 (patch)
tree99b25e7a854dc79b8f5398a7c34ea95109ca333e /apt-pkg/acquire-method.cc
parent57fa854e4cdb060e87ca265abd5a83364f9fa681 (diff)
require methods to request AuxRequest capability at startup
Allowing a method to request work from other methods is a powerful capability which could be misused or exploited, so to slightly limited the surface let method opt-in into this capability on startup.
Diffstat (limited to 'apt-pkg/acquire-method.cc')
-rw-r--r--apt-pkg/acquire-method.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc
index 4e034b402..8934d87a0 100644
--- a/apt-pkg/acquire-method.cc
+++ b/apt-pkg/acquire-method.cc
@@ -76,6 +76,9 @@ pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags)
if ((Flags & Removable) == Removable)
try_emplace(fields, "Removable", "true");
+ if ((Flags & AuxRequests) == AuxRequests)
+ try_emplace(fields, "AuxRequests", "true");
+
SendMessage("100 Capabilities", std::move(fields));
SetNonBlock(STDIN_FILENO,true);