Merge #14708: Warn unrecognised sections in the config file

3fb09b9889665a24b34f25e9d1385a05058a28b7 Warn unrecognized sections in the config file (Akio Nakamura)

Pull request description:

  This PR intends to resolve #14702.

  In the config file, sections are specified by square bracket pair "[]"$,
  or included in the option name itself which separated by a period"(.)".

  Typicaly, [testnet] is not a correct section name and specified options
  in that section are ignored but user cannot recognize what is happen.

  So, add some log-warning messages if unrecognized section names are
  present in the config file after checking section only args.

  note: Currentry, followings are out of scope of this PR.
  1) Empty section name or option name can describe.
  e.g. [] , .a=b, =c
  2) Multiple period characters can exist in the section name and option name.
  e.g. [c.d.e], [..], f.g.h.i=j, ..=k

Tree-SHA512: 2cea02a0525feb40320613989a75cd7b7b1bd12158d5e6f3174ca77e6a25bb84425dd8812f62483df9fc482045c7b5402d69bc714430518b1847d055a2dc304b

1 files changed, 9 insertions, 1 deletions

diff --git a/src/init.cpp b/src/init.cpp
index 3ab97be32..d6f04bea1 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -803,7 +803,15 @@ void InitParameterInteraction()
     // Warn if network-specific options (-addnode, -connect, etc) are
     // specified in default section of config file, but not overridden
     // on the command line or in this network's section of the config file.
-    gArgs.WarnForSectionOnlyArgs();
+    std::string network = gArgs.GetChainName();
+    for (const auto& arg : gArgs.GetUnsuitableSectionOnlyArgs()) {
+        InitWarning(strprintf(_("Config setting for %s only applied on %s network when in [%s] section."), arg, network, network));
+    }
+
+    // Warn if unrecognized section name are present in the config file.
+    for (const auto& section : gArgs.GetUnrecognizedSections()) {
+        InitWarning(strprintf(_("Section [%s] is not recognized."), section));
+    }
 }
 
 static std::string ResolveErrMsg(const char * const optname, const std::string& strBind)