SSSD: Send debug to stderr when running on foreground

https://fedorahosted.org/sssd/ticket/2348

When SSSD is running in interactive mode, we should print DEBUG messages
directly to stderr, not journal.

Reviewed-by: Michal Židek <mzidek@redhat.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/util/child_common.c b/src/util/child_common.c
index 08aac1143..81bbab70e 100644
--- a/src/util/child_common.c
+++ b/src/util/child_common.c
@@ -637,8 +637,10 @@ static errno_t prepare_child_argv(TALLOC_CTX *mem_ctx,
     bool child_debug_to_file = debug_to_file;
     bool child_debug_timestamps = debug_timestamps;
     bool child_debug_microseconds = debug_microseconds;
+    bool child_debug_stderr = debug_to_stderr;
 
     if (child_debug_to_file) argc++;
+    if (child_debug_stderr) argc++;
 
     /*
      * program name, debug_level, debug_to_file, debug_timestamps,
@@ -659,6 +661,14 @@ static errno_t prepare_child_argv(TALLOC_CTX *mem_ctx,
         goto fail;
     }
 
+    if (child_debug_stderr) {
+        argv[--argc] = talloc_strdup(argv, "--debug-to-stderr");
+        if (argv[argc] == NULL) {
+            ret = ENOMEM;
+            goto fail;
+        }
+    }
+
     if (child_debug_to_file) {
         argv[--argc] = talloc_asprintf(argv, "--debug-fd=%d",
                                        child_debug_fd);