From 669dadfa07a5e63db8d9e572603872be88db52a3 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Sat, 20 Jul 2013 17:47:05 +0200
Subject: procfs: Ignore arguments for compatibility with Linux' procfs.

Ignore the --nodev, --noexec and --nosuid arguments.

* procfs/main.c (argp_parser): Ignore some arguments for compatibility.
---
 main.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/main.c b/main.c
index 1b19c01..90b3e92 100644
--- a/main.c
+++ b/main.c
@@ -37,6 +37,10 @@ pid_t opt_fake_self;
 pid_t opt_kernel_pid;
 uid_t opt_anon_owner;
 
+#define NODEV_KEY  -1 /* <= 0, so no short option. */
+#define NOEXEC_KEY -2 /* Likewise. */
+#define NOSUID_KEY -3 /* Likewise. */
+
 static error_t
 argp_parser (int key, char *arg, struct argp_state *state)
 {
@@ -104,6 +108,18 @@ argp_parser (int key, char *arg, struct argp_state *state)
       else
 	opt_anon_owner = v;
       break;
+
+    case NODEV_KEY:
+      /* Ignored for compatibility with Linux' procfs. */
+      ;;
+
+    case NOEXEC_KEY:
+      /* Ignored for compatibility with Linux' procfs. */
+      ;;
+
+    case NOSUID_KEY:
+      /* Ignored for compatibility with Linux' procfs. */
+      ;;
   }
 
   return 0;
@@ -136,6 +152,12 @@ struct argp argp = {
 	"Be aware that USER will be granted access to the environment and "
 	"other sensitive information about the processes in question.  "
 	"(default: use uid 0)" },
+    { "nodev", NODEV_KEY, NULL, 0,
+	"Ignored for compatibility with Linux' procfs." },
+    { "noexec", NOEXEC_KEY, NULL, 0,
+	"Ignored for compatibility with Linux' procfs." },
+    { "nosuid", NOSUID_KEY, NULL, 0,
+	"Ignored for compatibility with Linux' procfs." },
     {}
   },
   .parser = argp_parser,
-- 
cgit v1.2.3