Move syslog initialization and final configuration check to preliminaries

This also required moving the message reporting subs farther up, since
this code uses ftp_syslog and ftp_die.

diff --git a/gatekeeper.pl b/gatekeeper.pl
index 666efee14a6833c0457f40957136ec5f6e80e182..c32dabcd546cbfce40b06989ae6bfa570ae92c75 100755 (executable)
--- a/gatekeeper.pl
+++ b/gatekeeper.pl
@@ -97,6 +97,43 @@
 # Imported into Git by Jacob Bachmeyer (jcb@gnu.org), July 2020
 # Further changes are tracked in Git.
 
+\f
+#
+# - Message reporting
+#
+
+sub ftp_syslog {
+  my ($priority,$message) = @_;
+
+  # Remove a trailing newline
+  $message =~ s/[\r\n]+$//;
+  # Collapse the message to a single line for syslog
+  $message =~ s/[\r\n]+/ \/ /g;
+
+  # The syslog function is pretty picky, and (sometimes) dies silently
+  # when using non-valid syslog priorities.
+  # That's why we run it inside an eval, and print out any errors to STDERR.
+  eval {
+    syslog($priority, $message);
+  };
+  if ($@) {
+    print STDERR "$@\n";
+  }
+}
+
+sub ftp_warn($) {
+    ftp_syslog('warning', "($log_style) " . $_[0]);
+    warn $_[0];
+}
+
+sub ftp_die($;$) {
+    my $msg = shift;
+    my $exitcode = shift;
+    $exitcode ||= 1;
+    ftp_syslog('err', "($log_style) " . $msg);
+    exit $exitcode;
+}
+
 \f
 #
 # - Initialization and preliminaries
@@ -329,41 +366,21 @@ if (IN_TEST_MODE) {       # override the above for testing
 
 my %info;   # package being processed; a global so fatal and mail can use it
 
-\f
-#
-# - Message reporting and email
-#
-
-sub ftp_syslog {
-  my ($priority,$message) = @_;
-
-  # Remove a trailing newline
-  $message =~ s/[\r\n]+$//;
-  # Collapse the message to a single line for syslog
-  $message =~ s/[\r\n]+/ \/ /g;
-
-  # The syslog function is pretty picky, and (sometimes) dies silently
-  # when using non-valid syslog priorities.
-  # That's why we run it inside an eval, and print out any errors to STDERR.
-  eval {
-    syslog($priority, $message);
-  };
-  if ($@) {
-    print STDERR "$@\n";
-  }
-}
-
-sub ftp_warn($) {
-    ftp_syslog('warning', "($log_style) " . $_[0]);
-    warn $_[0];
+# Initialize our syslogging
+if (IN_TEST_MODE) {
+  $ENV{TEST_SYSLOG_SOCKET} =~ m/^([[:alnum:]\/]+)$/
+    or die "strange test syslog socket";
+  -S $1 or die "test syslog socket is not a socket";
+  setlogsock(unix => $1);
 }
+openlog("ftp-upload", 'pid', $facility);
+ftp_syslog('info', "($log_style) Beginning upload processing run.");
 
-sub ftp_die($;$) {
-    my $msg = shift;
-    my $exitcode = shift;
-    $exitcode ||= 1;
-    ftp_syslog('err', "($log_style) " . $msg);
-    exit $exitcode;
+# make sure our directories all exist, or it's hopeless.
+# Use die instead of fatal - this error should "never" happen.
+for my $dir ($package_config_base, $incoming_dir, $incoming_tmp,
+            $destfinal, $desttmp) {
+  -d $dir || ftp_die("FATAL: configuration problem, $dir is not a directory");
 }
 
 \f
@@ -1450,22 +1467,6 @@ sub cleanup {
 # - Main execution path
 #
 
-# Initialize our syslogging
-if (IN_TEST_MODE) {
-  $ENV{TEST_SYSLOG_SOCKET} =~ m/^([[:alnum:]\/]+)$/
-    or die "strange test syslog socket";
-  -S $1 or die "test syslog socket is not a socket";
-  setlogsock(unix => $1);
-}
-openlog("ftp-upload", 'pid', $facility);
-ftp_syslog('info', "($log_style) Beginning upload processing run.");
-
-# make sure our directories all exist, or it's hopeless.
-# Use die instead of fatal - this error should "never" happen.
-for my $dir ($package_config_base, $incoming_dir, $incoming_tmp,
-            $destfinal, $desttmp) {
-  -d $dir || ftp_die("FATAL: configuration problem, $dir is not a directory");
-}
 # the chdir simplifies our filename parsing, so the base names don't
 # have any directory.
 chdir ($incoming_dir) || ftp_die("FATAL: chdir($incoming_dir) failed: $!");