udp: Report authbind exit status as errno value if it seems appropriate

[secnet] / udp.c

diff --git a/udp.c b/udp.c
index a6ab49a..838fd51 100644 (file)
--- a/udp.c
+++ b/udp.c
@@ -259,7 +259,14 @@ bool_t udp_make_socket(struct udpcommon *uc, struct udpsock *us,
            FAIL("waitpid for authbind");
        }
        if (status) {
-           lg_exitstatus(FAIL_LG,status,"authbind");
+           if (WIFEXITED(status) && WEXITSTATUS(status)<127) {
+               int es=WEXITSTATUS(status);
+               lg_perror(FAIL_LG,es,
+                         "authbind exited with error exit status %d;"
+                         " indicates error",es);
+           } else {
+               lg_exitstatus(FAIL_LG,status,"authbind");
+           }
            goto failed;
        }
     } else {