Bug#276419: su appends the positional args to the command line

[Nicolas François]

Hi,

I'm sure you all want to see it;)

-- 
Nekral

--- su.c.orig   2005-03-23 23:26:21.000000000 +0100
+++ su.c        2005-03-23 23:28:21.000000000 +0100
@@ -183,10 +183,6 @@
 {
   const char **args;
   int argno = 1;
-  char cmd[BUFSIZ];
-  int cmd_len_left = sizeof(cmd) - 1;
-
-  cmd[0] = '\0';
 
   if (additional_args)
     args = (const char **) xmalloc (sizeof (char *)
@@ -212,28 +208,10 @@
     args[0] = Basename(shell);
   if (command || additional_args)
     args[argno++] = "-c";
-  if (command) {
-    if (strlen(command) > cmd_len_left) {
-      fprintf(stderr, _("Command line args too long\n"));
-      exit(1);
-    }
-    strcat(cmd, command);
-    cmd_len_left -= strlen(command);
-  }
+  if (command && command[0]) args[argno++] = command;
   if (additional_args)
-    for (; *additional_args; ++additional_args) {
-      if ((strlen(*additional_args) + 1) > cmd_len_left) {
-       fprintf(stderr, _("Command line args too long\n"));
-       exit(1);
-      }
-      if (cmd[0]) {
-       strcat(cmd, " ");
-       cmd_len_left--;
-      }
-      strcat(cmd, *additional_args);
-      cmd_len_left -= strlen(*additional_args);
-    }
-  if (cmd[0]) args[argno++] = cmd;
+    for (; *additional_args; ++additional_args)
+      args[argno++] = *additional_args;
   args[argno] = NULL;
   execv (shell, (char **) args);
   fprintf (stderr, _("No shell\n"));