Attachment 146133 Details for Bug 192900 – source for a program named "setloginclass"

source for a program named "setloginclass"

setloginclass.c (text/plain), 2.08 KB, created by Kevin Barry on 2014-08-21 22:29:41 UTC

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Filename:

MIME Type:

Creator: Kevin Barry

Created: 2014-08-21 22:29:41 UTC

Size: 2.08 KB

patch

obsolete

>#include <stdio.h>
>#include <errno.h>
>#include <string.h>
>#include <unistd.h>
>#include <stdlib.h>
>#include <sys/types.h>
>#include <pwd.h>
>#include <login_cap.h>
>
>
>int main(int argc, char *argv[])
>{
>  int set_mac = 0x00, index = 1;
>
>  if (index < argc && strcmp(argv[index], "-m") == 0)
>    {
>      set_mac = LOGIN_SETMAC;
>      ++index;
>    }
>
>  if (argc - index < 1)
>    {
>      fprintf(stderr, "%s (-m) [class] [command...]\n", argv[0]);
>      return 1;
>    }
>
>  const char *class_name = argv[index++];
>
>  login_cap_t *class_cap = login_getclassbyname(class_name, NULL);
>
>  if (class_cap && strcmp(class_cap->lc_class, class_name) == 0)
>    {
>      if (setusercontext(class_cap, NULL, 0, LOGIN_SETRESOURCES | LOGIN_SETPRIORITY | LOGIN_SETUMASK | LOGIN_SETCPUMASK) < 0)
>        {
>          fprintf(stderr, "%s: unable to set login limits for class '%s': %s\n", argv[0], class_name, strerror(errno));
>          login_close(class_cap);
>          return 1;
>        }
>
>      if (setusercontext(class_cap, NULL, 0, set_mac | LOGIN_SETLOGINCLASS) < 0)
>        {
>          fprintf(stderr, "%s: unable to set login class to '%s': %s\n", argv[0], class_name, strerror(errno));
>          login_close(class_cap);
>          return 1;
>        }
>      login_close(class_cap);
>    }
>
>  else
>    {
>      fprintf(stderr, "%s: unable to set login class to '%s': %s\n", argv[0], class_name,
>        class_cap? "login class does not exist" : strerror(errno));
>      return 1;
>    }
>
>  if (argc - index < 1)
>    {
>      char *shell = getenv("SHELL");
>      if (!shell || !strlen(shell))
>	{
>	  struct passwd *user = getpwuid(getuid());
>	  if (user) shell = user->pw_shell;
>	  endpwent();
>	}
>      if (!shell || !strlen(shell))
>	{
>	  fprintf(stderr, "%s: no shell specified\n", argv[0]);
>	  return 1;
>	}
>
>      char *command[] = { shell, NULL };
>      execvp(command[0], command);
>      fprintf(stderr, "%s: unable to execute '%s': %s\n", argv[0], command[0], strerror(errno));
>    }
>
>  else
>    {
>      execvp(argv[index], argv + index);
>      fprintf(stderr, "%s: unable to execute '%s': %s\n", argv[0], argv[2], strerror(errno));
>    }
>
>  return 1;
>}

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Attachments on bug 192900: 146133 | 146134