[bug-inetutils] [PATCH] inetd: Fix segfault when no arguments are provided

[Guillem Jover]

* src/inetd.c (getconfigent): If se_argc == 1 inject the normalized
se_server name into se_argv[0].
---
 src/inetd.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/src/inetd.c b/src/inetd.c
index 6fe9adf..354ae1d 100644
--- a/src/inetd.c
+++ b/src/inetd.c
@@ -1108,6 +1108,21 @@ getconfigent (FILE *fconfig, const char *file, size_t 
*line)
          sep->se_argv[i] = argv[INETD_SERVER_ARGS + i];
          argv[INETD_SERVER_ARGS + i] = 0;
        }
+
+      /* If no arguments are provided, use server name as argv[0].  */
+      if (sep->se_argc == 1)
+       {
+         const char *argv0 = NULL;
+
+         argv0 = strrchr (sep->se_server, '/');
+         if (argv0)
+           argv0++;
+         else
+           argv0 = sep->se_server;
+
+         sep->se_argv[0] = newstr (argv0);
+       }
+
       sep->se_argv[i] = NULL;
       break;
     }
-- 
1.7.1