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libacl/acl_set_file_at.c
70 строк
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Andreas Gruenbacher
Add libacl _at function variants
23 июн 2026, 14:36
23 июн 2026, 14:36
5906d28
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/* File: acl_set_file_at.c Copyright (C) 1999, 2000 Andreas Gruenbacher, <andreas.gruenbacher@gmail.com> Copyright (C) 2026 Andreas Gruenbacher <andreas.gruenbacher@gmail.com> This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, see <https://www.gnu.org/licenses/>. */ #include "config.h" #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <sys/xattr.h> #include <fcntl.h> #include "libacl.h" #include "xattrat_compat.h" #include "__acl_to_xattr.h" #include "acl_ea.h" int acl_set_file_at(int dirfd, const char *path_p, int at_flags, acl_type_t type, acl_t acl) { acl_obj *acl_obj_p = ext2int(acl, acl); char *ext_acl_p; const char *name; size_t size; int error; if (!acl_obj_p) return -1; switch (type) { case ACL_TYPE_ACCESS: name = ACL_EA_ACCESS; break; case ACL_TYPE_DEFAULT: name = ACL_EA_DEFAULT; break; default: errno = EINVAL; return -1; } if (at_flags & ~(AT_EMPTY_PATH | AT_SYMLINK_NOFOLLOW)) { errno = EINVAL; return -1; } ext_acl_p = __acl_to_xattr(acl_obj_p, &size); if (!ext_acl_p) return -1; error = setxattrat(dirfd, path_p, at_flags, name, (char *)ext_acl_p, size, 0); free(ext_acl_p); return error; }