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authorSadie Powell <sadie@witchery.services>2020-04-07 10:32:50 +0100
committerSadie Powell <sadie@witchery.services>2020-04-07 14:45:43 +0100
commit338946c969a34a41e7744696e875862027a9cf28 (patch)
treec61772fcbf5306abe68754052bbaec1ed9215557
parentba30c383ba2bd5d12139be69fcb607b99768dd05 (diff)
Add a way to disable using environment variables in included files.
-rw-r--r--src/configparser.cpp15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/configparser.cpp b/src/configparser.cpp
index 94a12e6e9..b68c52cbb 100644
--- a/src/configparser.cpp
+++ b/src/configparser.cpp
@@ -36,7 +36,10 @@ enum ParseFlags
FLAG_NO_EXEC = 2,
// All includes are disabled.
- FLAG_NO_INC = 4
+ FLAG_NO_INC = 4,
+
+ // &env.FOO; is disabled.
+ FLAG_NO_ENV = 8
};
// Represents the position within a config file.
@@ -243,9 +246,13 @@ struct Parser
}
else if (varname.compare(0, 4, "env.") == 0)
{
+ if (flags & FLAG_NO_ENV)
+ throw CoreException("XML environment entity reference in file included with noenv=\"yes\"");
+
const char* envstr = getenv(varname.c_str() + 4);
if (!envstr)
throw CoreException("Undefined XML environment entity reference '&" + varname + ";'");
+
value.append(envstr);
}
else
@@ -415,6 +422,8 @@ void ParseStack::DoInclude(ConfigTag* tag, int flags)
flags |= FLAG_NO_INC;
if (tag->getBool("noexec", false))
flags |= FLAG_NO_EXEC;
+ if (tag->getBool("noenv", false))
+ flags |= FLAG_NO_ENV;
if (!ParseFile(ServerInstance->Config->Paths.PrependConfig(name), flags, mandatorytag))
throw CoreException("Included");
@@ -425,6 +434,8 @@ void ParseStack::DoInclude(ConfigTag* tag, int flags)
flags |= FLAG_NO_INC;
if (tag->getBool("noexec", false))
flags |= FLAG_NO_EXEC;
+ if (tag->getBool("noenv", false))
+ flags |= FLAG_NO_ENV;
const std::string includedir = ServerInstance->Config->Paths.PrependConfig(name);
std::vector<std::string> files;
@@ -447,6 +458,8 @@ void ParseStack::DoInclude(ConfigTag* tag, int flags)
flags |= FLAG_NO_INC;
if (tag->getBool("noexec", true))
flags |= FLAG_NO_EXEC;
+ if (tag->getBool("noenv", true))
+ flags |= FLAG_NO_ENV;
if (!ParseFile(name, flags, mandatorytag, true))
throw CoreException("Included");