shell: Add CMDLS, CMDCHOWN, CMDCHMOD commands

1 files changed, 85 insertions, 0 deletions

diff --git a/cpukit/libmisc/shell/main_cmdchmod.c b/cpukit/libmisc/shell/main_cmdchmod.c
new file mode 100644
index 0000000000..ea125fddd8
--- /dev/null
+++ b/cpukit/libmisc/shell/main_cmdchmod.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2014 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#if HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <rtems/shellconfig.h>
+#include <rtems/stringto.h>
+
+#include "internal.h"
+
+static int usage(void)
+{
+  puts(rtems_shell_CMDCHMOD_Command.usage);
+
+  return -1;
+}
+
+static void error(const char *s, int eno)
+{
+  printf("%s: %s\n", s, strerror(eno));
+}
+
+static int rtems_shell_main_cmdchmod(int argc, char **argv)
+{
+  if (argc >= 2) {
+    unsigned long mode;
+    rtems_status_code sc;
+    uid_t task_uid;
+    int i;
+
+    sc = rtems_string_to_unsigned_long(argv[1], &mode, NULL, 8);
+    if (sc != RTEMS_SUCCESSFUL) {
+      return usage();
+    }
+
+    task_uid = getuid();
+
+    for (i = 2; i < argc; ++i) {
+      const char *cmd = argv[i];
+      rtems_shell_cmd_t *shell_cmd = rtems_shell_lookup_cmd(cmd);
+
+      if (shell_cmd != NULL) {
+        if (task_uid == 0 || task_uid == shell_cmd->uid) {
+          shell_cmd->mode = mode
+            & (S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
+        } else if (rtems_shell_can_see_cmd(shell_cmd)) {
+          error(cmd, EACCES);
+        } else {
+          error(cmd, ENOENT);
+        }
+      } else {
+        error(cmd, ENOENT);
+      }
+    }
+  } else {
+    return usage();
+  }
+
+  return 0;
+}
+
+rtems_shell_cmd_t rtems_shell_CMDCHMOD_Command = {
+  .name = "cmdchmod",
+  .usage = "cmdchmod OCTAL-MODE COMMAND...",
+  .topic = "misc",
+  .command = rtems_shell_main_cmdchmod
+};