diff options
Diffstat (limited to 'utils.h')
| -rw-r--r-- | utils.h | 34 |
1 files changed, 29 insertions, 5 deletions
@@ -1,10 +1,28 @@ -#ifndef _UTILS_H_ -#define _UTILS_H_ +/* uroot - User's root + * utils.h Header file with various utility functions + * + * Copyright (C) 2018 Karel Kočí + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef _UROOT_UTILS_H_ +#define _UROOT_UTILS_H_ #define _GNU_SOURCE -#include <stdio.h> -#include <stdarg.h> #include <alloca.h> +#include <sys/types.h> // Compute the size needed (including \0) to format given message size_t printf_len(const char *msg, ...) __attribute__((format(printf, 1, 2))); @@ -14,4 +32,10 @@ char *printf_into(char *dst, const char *msg, ...) __attribute__((format(printf, // uses the arguments multiple times, so beware of side effects. #define aprintf(...) printf_into(alloca(printf_len(__VA_ARGS__)), __VA_ARGS__) -#endif /* _UTILS_H_ */ +// returns path to shell interpreter +const char *get_shell(); + +// call newuidmap and newgidmap for process of given pid +int new_map_id(const char *idtp, pid_t pid, int id); + +#endif |