*
* This file is part of Trivial IP Encryption (TrIPE).
*
- * TrIPE is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * TrIPE is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
*
- * TrIPE is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * TrIPE is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
*
* You should have received a copy of the GNU General Public License
- * along with TrIPE; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * along with TrIPE. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef UTIL_H
#define UTIL_H
+#ifndef CONFIG_H
+# include "config.h"
+#endif
+
+#include <sys/types.h>
+
+#include <mLib/macros.h>
+
#ifdef __cplusplus
extern "C" {
#endif
extern void u_quotify(dstr */*d*/, const char */*p*/);
+/* --- @u_getuser@ --- *
+ *
+ * Arguments: @const char *name@ = user name or id requested
+ * @gid_t *gg@ = where to store corresponding gid
+ *
+ * Returns: Corresponding uid.
+ *
+ * Use: Resolves a user name into a uid. Dies on failure; suitable
+ * for use in argument parsing.
+ */
+
+extern uid_t u_getuser(const char */*name*/, gid_t */*gg*/);
+
+/* --- @u_getgroup@ --- *
+ *
+ * Arguments: @const char *name@ = user name or id requested
+ *
+ * Returns: Corresponding gid.
+ *
+ * Use: Resolves a group name into a gid. Dies on failure; suitable
+ * for use in argument parsing.
+ */
+
+extern gid_t u_getgroup(const char */*name*/);
+
+/* --- @u_setugid@ --- *
+ *
+ * Arguments: @uid_t u@ = user to set
+ * @gid_t g@ = group to set
+ *
+ * Returns: ---
+ *
+ * Use: Sets user and group to the given values; aborts on failure.
+ */
+
+extern void u_setugid(uid_t /*u*/, gid_t /*g*/);
+
/*----- That's all, folks -------------------------------------------------*/
#ifdef __cplusplus