diff options
Diffstat (limited to 'lib/libc/posix1e/acl_set.c')
-rw-r--r-- | lib/libc/posix1e/acl_set.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/lib/libc/posix1e/acl_set.c b/lib/libc/posix1e/acl_set.c new file mode 100644 index 0000000..6b7dded --- /dev/null +++ b/lib/libc/posix1e/acl_set.c @@ -0,0 +1,170 @@ +/*- + * Copyright (c) 1999, 2000, 2001 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +/* + * acl_set_file -- set a file/directory ACL by name + */ + +#include <sys/types.h> +#include "namespace.h" +#include <sys/acl.h> +#include "un-namespace.h" + +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#include "acl_support.h" + +/* + * For POSIX.1e-semantic ACLs, do a presort so the kernel doesn't have to + * (the POSIX.1e semantic code will reject unsorted ACL submission). If it's + * not a semantic that the library knows about, just submit it flat and + * assume the caller knows what they're up to. + */ +int +acl_set_file(const char *path_p, acl_type_t type, acl_t acl) +{ + int error; + + if (_posix1e_acl(acl, type)) { + error = _posix1e_acl_sort(acl); + if (error) { + errno = error; + return (-1); + } + } + + acl->ats_cur_entry = 0; + + return (__acl_set_file(path_p, type, &acl->ats_acl)); +} + +int +acl_set_fd(int fd, acl_t acl) +{ + int error; + + error = _posix1e_acl_sort(acl); + if (error) { + errno = error; + return(-1); + } + + acl->ats_cur_entry = 0; + + return (___acl_set_fd(fd, ACL_TYPE_ACCESS, &acl->ats_acl)); +} + +int +acl_set_fd_np(int fd, acl_t acl, acl_type_t type) +{ + int error; + + if (_posix1e_acl(acl, type)) { + error = _posix1e_acl_sort(acl); + if (error) { + errno = error; + return (-1); + } + } + + acl->ats_cur_entry = 0; + + return (___acl_set_fd(fd, type, &acl->ats_acl)); +} + +/* + * acl_set_permset() (23.4.23): sets the permissions of ACL entry entry_d + * with the permissions in permset_d + */ +int +acl_set_permset(acl_entry_t entry_d, acl_permset_t permset_d) +{ + + if (!entry_d) { + errno = EINVAL; + return -1; + } + + entry_d->ae_perm = *permset_d; + + return 0; +} + +/* + * acl_set_qualifier() sets the qualifier (ae_id) of the tag for + * ACL entry entry_d to the value referred to by tag_qualifier_p + */ +int +acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p) +{ + if (!entry_d || !tag_qualifier_p) { + errno = EINVAL; + return -1; + } + + switch(entry_d->ae_tag) { + case ACL_USER: + case ACL_GROUP: + entry_d->ae_id = *(uid_t *)tag_qualifier_p; + break; + default: + errno = EINVAL; + return -1; + } + + return 0; +} + +/* + * acl_set_tag_type() sets the tag type for ACL entry entry_d to the + * value of tag_type + */ +int +acl_set_tag_type(acl_entry_t entry_d, acl_tag_t tag_type) +{ + + if (!entry_d) { + errno = EINVAL; + return -1; + } + + switch(tag_type) { + case ACL_USER_OBJ: + case ACL_USER: + case ACL_GROUP_OBJ: + case ACL_GROUP: + case ACL_MASK: + case ACL_OTHER: + entry_d->ae_tag = tag_type; + return 0; + } + + errno = EINVAL; + return -1; +} |