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-rw-r--r--libarchive/archive_disk_acl_freebsd.c697
1 files changed, 697 insertions, 0 deletions
diff --git a/libarchive/archive_disk_acl_freebsd.c b/libarchive/archive_disk_acl_freebsd.c
new file mode 100644
index 000000000000..eff9c22e94ab
--- /dev/null
+++ b/libarchive/archive_disk_acl_freebsd.c
@@ -0,0 +1,697 @@
+/*-
+ * Copyright (c) 2003-2009 Tim Kientzle
+ * Copyright (c) 2010-2012 Michihiro NAKAJIMA
+ * Copyright (c) 2017 Martin Matuska
+ * 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(S) ``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(S) 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.
+ */
+
+#include "archive_platform.h"
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_ACL_H
+#define _ACL_PRIVATE /* For debugging */
+#include <sys/acl.h>
+#endif
+
+#include "archive_entry.h"
+#include "archive_private.h"
+#include "archive_read_disk_private.h"
+#include "archive_write_disk_private.h"
+
+typedef struct {
+ const int a_perm; /* Libarchive permission or flag */
+ const int p_perm; /* Platform permission or flag */
+} acl_perm_map_t;
+
+static const acl_perm_map_t acl_posix_perm_map[] = {
+ {ARCHIVE_ENTRY_ACL_EXECUTE, ACL_EXECUTE},
+ {ARCHIVE_ENTRY_ACL_WRITE, ACL_WRITE},
+ {ARCHIVE_ENTRY_ACL_READ, ACL_READ},
+};
+
+static const int acl_posix_perm_map_size =
+ (int)(sizeof(acl_posix_perm_map)/sizeof(acl_posix_perm_map[0]));
+
+#if ARCHIVE_ACL_FREEBSD_NFS4
+static const acl_perm_map_t acl_nfs4_perm_map[] = {
+ {ARCHIVE_ENTRY_ACL_EXECUTE, ACL_EXECUTE},
+ {ARCHIVE_ENTRY_ACL_READ_DATA, ACL_READ_DATA},
+ {ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, ACL_LIST_DIRECTORY},
+ {ARCHIVE_ENTRY_ACL_WRITE_DATA, ACL_WRITE_DATA},
+ {ARCHIVE_ENTRY_ACL_ADD_FILE, ACL_ADD_FILE},
+ {ARCHIVE_ENTRY_ACL_APPEND_DATA, ACL_APPEND_DATA},
+ {ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, ACL_ADD_SUBDIRECTORY},
+ {ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, ACL_READ_NAMED_ATTRS},
+ {ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, ACL_WRITE_NAMED_ATTRS},
+ {ARCHIVE_ENTRY_ACL_DELETE_CHILD, ACL_DELETE_CHILD},
+ {ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, ACL_READ_ATTRIBUTES},
+ {ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, ACL_WRITE_ATTRIBUTES},
+ {ARCHIVE_ENTRY_ACL_DELETE, ACL_DELETE},
+ {ARCHIVE_ENTRY_ACL_READ_ACL, ACL_READ_ACL},
+ {ARCHIVE_ENTRY_ACL_WRITE_ACL, ACL_WRITE_ACL},
+ {ARCHIVE_ENTRY_ACL_WRITE_OWNER, ACL_WRITE_OWNER},
+ {ARCHIVE_ENTRY_ACL_SYNCHRONIZE, ACL_SYNCHRONIZE}
+};
+
+static const int acl_nfs4_perm_map_size =
+ (int)(sizeof(acl_nfs4_perm_map)/sizeof(acl_nfs4_perm_map[0]));
+
+static const acl_perm_map_t acl_nfs4_flag_map[] = {
+ {ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, ACL_ENTRY_FILE_INHERIT},
+ {ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, ACL_ENTRY_DIRECTORY_INHERIT},
+ {ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, ACL_ENTRY_NO_PROPAGATE_INHERIT},
+ {ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, ACL_ENTRY_INHERIT_ONLY},
+ {ARCHIVE_ENTRY_ACL_ENTRY_SUCCESSFUL_ACCESS, ACL_ENTRY_SUCCESSFUL_ACCESS},
+ {ARCHIVE_ENTRY_ACL_ENTRY_FAILED_ACCESS, ACL_ENTRY_FAILED_ACCESS},
+ {ARCHIVE_ENTRY_ACL_ENTRY_INHERITED, ACL_ENTRY_INHERITED}
+};
+
+static const int acl_nfs4_flag_map_size =
+ (int)(sizeof(acl_nfs4_flag_map)/sizeof(acl_nfs4_flag_map[0]));
+#endif /* ARCHIVE_ACL_FREEBSD_NFS4 */
+
+static int
+translate_acl(struct archive_read_disk *a,
+ struct archive_entry *entry, acl_t acl, int default_entry_acl_type)
+{
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ int brand;
+ acl_flagset_t acl_flagset;
+ acl_entry_type_t acl_type;
+#endif
+ acl_tag_t acl_tag;
+ acl_entry_t acl_entry;
+ acl_permset_t acl_permset;
+ int i, entry_acl_type, perm_map_size;
+ const acl_perm_map_t *perm_map;
+ int r, s, ae_id, ae_tag, ae_perm;
+ void *q;
+ const char *ae_name;
+
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ // FreeBSD "brands" ACLs as POSIX.1e or NFSv4
+ // Make sure the "brand" on this ACL is consistent
+ // with the default_entry_acl_type bits provided.
+ if (acl_get_brand_np(acl, &brand) != 0) {
+ archive_set_error(&a->archive, errno,
+ "Failed to read ACL brand");
+ return (ARCHIVE_WARN);
+ }
+ switch (brand) {
+ case ACL_BRAND_POSIX:
+ switch (default_entry_acl_type) {
+ case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
+ case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
+ break;
+ default:
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
+ "Invalid ACL entry type for POSIX.1e ACL");
+ return (ARCHIVE_WARN);
+ }
+ break;
+ case ACL_BRAND_NFS4:
+ if (default_entry_acl_type & ~ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
+ "Invalid ACL entry type for NFSv4 ACL");
+ return (ARCHIVE_WARN);
+ }
+ break;
+ default:
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
+ "Unknown ACL brand");
+ return (ARCHIVE_WARN);
+ }
+#endif
+
+ s = acl_get_entry(acl, ACL_FIRST_ENTRY, &acl_entry);
+ if (s == -1) {
+ archive_set_error(&a->archive, errno,
+ "Failed to get first ACL entry");
+ return (ARCHIVE_WARN);
+ }
+
+ while (s == 1) {
+ ae_id = -1;
+ ae_name = NULL;
+ ae_perm = 0;
+
+ if (acl_get_tag_type(acl_entry, &acl_tag) != 0) {
+ archive_set_error(&a->archive, errno,
+ "Failed to get ACL tag type");
+ return (ARCHIVE_WARN);
+ }
+ switch (acl_tag) {
+ case ACL_USER:
+ q = acl_get_qualifier(acl_entry);
+ if (q != NULL) {
+ ae_id = (int)*(uid_t *)q;
+ acl_free(q);
+ ae_name = archive_read_disk_uname(&a->archive,
+ ae_id);
+ }
+ ae_tag = ARCHIVE_ENTRY_ACL_USER;
+ break;
+ case ACL_GROUP:
+ q = acl_get_qualifier(acl_entry);
+ if (q != NULL) {
+ ae_id = (int)*(gid_t *)q;
+ acl_free(q);
+ ae_name = archive_read_disk_gname(&a->archive,
+ ae_id);
+ }
+ ae_tag = ARCHIVE_ENTRY_ACL_GROUP;
+ break;
+ case ACL_MASK:
+ ae_tag = ARCHIVE_ENTRY_ACL_MASK;
+ break;
+ case ACL_USER_OBJ:
+ ae_tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
+ break;
+ case ACL_GROUP_OBJ:
+ ae_tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
+ break;
+ case ACL_OTHER:
+ ae_tag = ARCHIVE_ENTRY_ACL_OTHER;
+ break;
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ case ACL_EVERYONE:
+ ae_tag = ARCHIVE_ENTRY_ACL_EVERYONE;
+ break;
+#endif
+ default:
+ /* Skip types that libarchive can't support. */
+ s = acl_get_entry(acl, ACL_NEXT_ENTRY, &acl_entry);
+ continue;
+ }
+
+ // XXX acl_type maps to allow/deny/audit/YYYY bits
+ entry_acl_type = default_entry_acl_type;
+
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ if (default_entry_acl_type & ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
+ /*
+ * acl_get_entry_type_np() fails with non-NFSv4 ACLs
+ */
+ if (acl_get_entry_type_np(acl_entry, &acl_type) != 0) {
+ archive_set_error(&a->archive, errno, "Failed "
+ "to get ACL type from a NFSv4 ACL entry");
+ return (ARCHIVE_WARN);
+ }
+ switch (acl_type) {
+ case ACL_ENTRY_TYPE_ALLOW:
+ entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALLOW;
+ break;
+ case ACL_ENTRY_TYPE_DENY:
+ entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_DENY;
+ break;
+ case ACL_ENTRY_TYPE_AUDIT:
+ entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_AUDIT;
+ break;
+ case ACL_ENTRY_TYPE_ALARM:
+ entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALARM;
+ break;
+ default:
+ archive_set_error(&a->archive, errno,
+ "Invalid NFSv4 ACL entry type");
+ return (ARCHIVE_WARN);
+ }
+
+ /*
+ * Libarchive stores "flag" (NFSv4 inheritance bits)
+ * in the ae_perm bitmap.
+ *
+ * acl_get_flagset_np() fails with non-NFSv4 ACLs
+ */
+ if (acl_get_flagset_np(acl_entry, &acl_flagset) != 0) {
+ archive_set_error(&a->archive, errno,
+ "Failed to get flagset from a NFSv4 "
+ "ACL entry");
+ return (ARCHIVE_WARN);
+ }
+ for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
+ r = acl_get_flag_np(acl_flagset,
+ acl_nfs4_flag_map[i].p_perm);
+ if (r == -1) {
+ archive_set_error(&a->archive, errno,
+ "Failed to check flag in a NFSv4 "
+ "ACL flagset");
+ return (ARCHIVE_WARN);
+ } else if (r)
+ ae_perm |= acl_nfs4_flag_map[i].a_perm;
+ }
+ }
+#endif
+
+ if (acl_get_permset(acl_entry, &acl_permset) != 0) {
+ archive_set_error(&a->archive, errno,
+ "Failed to get ACL permission set");
+ return (ARCHIVE_WARN);
+ }
+
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ if (default_entry_acl_type & ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
+ perm_map_size = acl_nfs4_perm_map_size;
+ perm_map = acl_nfs4_perm_map;
+ } else {
+#endif
+ perm_map_size = acl_posix_perm_map_size;
+ perm_map = acl_posix_perm_map;
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ }
+#endif
+
+ for (i = 0; i < perm_map_size; ++i) {
+ r = acl_get_perm_np(acl_permset, perm_map[i].p_perm);
+ if (r == -1) {
+ archive_set_error(&a->archive, errno,
+ "Failed to check permission in an ACL "
+ "permission set");
+ return (ARCHIVE_WARN);
+ } else if (r)
+ ae_perm |= perm_map[i].a_perm;
+ }
+
+ archive_entry_acl_add_entry(entry, entry_acl_type,
+ ae_perm, ae_tag,
+ ae_id, ae_name);
+
+ s = acl_get_entry(acl, ACL_NEXT_ENTRY, &acl_entry);
+ if (s == -1) {
+ archive_set_error(&a->archive, errno,
+ "Failed to get next ACL entry");
+ return (ARCHIVE_WARN);
+ }
+ }
+ return (ARCHIVE_OK);
+}
+
+static int
+set_acl(struct archive *a, int fd, const char *name,
+ struct archive_acl *abstract_acl,
+ int ae_requested_type, const char *tname)
+{
+ int acl_type = 0;
+ acl_t acl;
+ acl_entry_t acl_entry;
+ acl_permset_t acl_permset;
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ acl_flagset_t acl_flagset;
+ int r;
+#endif
+ int ret;
+ int ae_type, ae_permset, ae_tag, ae_id;
+ int perm_map_size;
+ const acl_perm_map_t *perm_map;
+ uid_t ae_uid;
+ gid_t ae_gid;
+ const char *ae_name;
+ int entries;
+ int i;
+
+ ret = ARCHIVE_OK;
+ entries = archive_acl_reset(abstract_acl, ae_requested_type);
+ if (entries == 0)
+ return (ARCHIVE_OK);
+
+
+ switch (ae_requested_type) {
+ case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
+ acl_type = ACL_TYPE_ACCESS;
+ break;
+ case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
+ acl_type = ACL_TYPE_DEFAULT;
+ break;
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ case ARCHIVE_ENTRY_ACL_TYPE_NFS4:
+ acl_type = ACL_TYPE_NFS4;
+ break;
+#endif
+ default:
+ errno = ENOENT;
+ archive_set_error(a, errno, "Unsupported ACL type");
+ return (ARCHIVE_FAILED);
+ }
+
+ acl = acl_init(entries);
+ if (acl == (acl_t)NULL) {
+ archive_set_error(a, errno,
+ "Failed to initialize ACL working storage");
+ return (ARCHIVE_FAILED);
+ }
+
+ while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
+ &ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
+ if (acl_create_entry(&acl, &acl_entry) != 0) {
+ archive_set_error(a, errno,
+ "Failed to create a new ACL entry");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+ switch (ae_tag) {
+ case ARCHIVE_ENTRY_ACL_USER:
+ ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
+ acl_set_tag_type(acl_entry, ACL_USER);
+ acl_set_qualifier(acl_entry, &ae_uid);
+ break;
+ case ARCHIVE_ENTRY_ACL_GROUP:
+ ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
+ acl_set_tag_type(acl_entry, ACL_GROUP);
+ acl_set_qualifier(acl_entry, &ae_gid);
+ break;
+ case ARCHIVE_ENTRY_ACL_USER_OBJ:
+ acl_set_tag_type(acl_entry, ACL_USER_OBJ);
+ break;
+ case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
+ acl_set_tag_type(acl_entry, ACL_GROUP_OBJ);
+ break;
+ case ARCHIVE_ENTRY_ACL_MASK:
+ acl_set_tag_type(acl_entry, ACL_MASK);
+ break;
+ case ARCHIVE_ENTRY_ACL_OTHER:
+ acl_set_tag_type(acl_entry, ACL_OTHER);
+ break;
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ case ARCHIVE_ENTRY_ACL_EVERYONE:
+ acl_set_tag_type(acl_entry, ACL_EVERYONE);
+ break;
+#endif
+ default:
+ archive_set_error(a, ARCHIVE_ERRNO_MISC,
+ "Unsupported ACL tag");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ r = 0;
+ switch (ae_type) {
+ case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
+ r = acl_set_entry_type_np(acl_entry,
+ ACL_ENTRY_TYPE_ALLOW);
+ break;
+ case ARCHIVE_ENTRY_ACL_TYPE_DENY:
+ r = acl_set_entry_type_np(acl_entry,
+ ACL_ENTRY_TYPE_DENY);
+ break;
+ case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
+ r = acl_set_entry_type_np(acl_entry,
+ ACL_ENTRY_TYPE_AUDIT);
+ break;
+ case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
+ r = acl_set_entry_type_np(acl_entry,
+ ACL_ENTRY_TYPE_ALARM);
+ break;
+ case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
+ case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
+ // These don't translate directly into the system ACL.
+ break;
+ default:
+ archive_set_error(a, ARCHIVE_ERRNO_MISC,
+ "Unsupported ACL entry type");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+
+ if (r != 0) {
+ archive_set_error(a, errno,
+ "Failed to set ACL entry type");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+#endif
+
+ if (acl_get_permset(acl_entry, &acl_permset) != 0) {
+ archive_set_error(a, errno,
+ "Failed to get ACL permission set");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+ if (acl_clear_perms(acl_permset) != 0) {
+ archive_set_error(a, errno,
+ "Failed to clear ACL permissions");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ if (ae_requested_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
+ perm_map_size = acl_nfs4_perm_map_size;
+ perm_map = acl_nfs4_perm_map;
+ } else {
+#endif
+ perm_map_size = acl_posix_perm_map_size;
+ perm_map = acl_posix_perm_map;
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ }
+#endif
+
+ for (i = 0; i < perm_map_size; ++i) {
+ if (ae_permset & perm_map[i].a_perm) {
+ if (acl_add_perm(acl_permset,
+ perm_map[i].p_perm) != 0) {
+ archive_set_error(a, errno,
+ "Failed to add ACL permission");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+ }
+ }
+
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ if (ae_requested_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
+ /*
+ * acl_get_flagset_np() fails with non-NFSv4 ACLs
+ */
+ if (acl_get_flagset_np(acl_entry, &acl_flagset) != 0) {
+ archive_set_error(a, errno,
+ "Failed to get flagset from an NFSv4 "
+ "ACL entry");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+ if (acl_clear_flags_np(acl_flagset) != 0) {
+ archive_set_error(a, errno,
+ "Failed to clear flags from an NFSv4 "
+ "ACL flagset");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+ for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
+ if (ae_permset & acl_nfs4_flag_map[i].a_perm) {
+ if (acl_add_flag_np(acl_flagset,
+ acl_nfs4_flag_map[i].p_perm) != 0) {
+ archive_set_error(a, errno,
+ "Failed to add flag to "
+ "NFSv4 ACL flagset");
+ ret = ARCHIVE_FAILED;
+ goto exit_free;
+ }
+ }
+ }
+ }
+#endif
+ }
+
+ /* Try restoring the ACL through 'fd' if we can. */
+ if (fd >= 0) {
+ if (acl_set_fd_np(fd, acl, acl_type) == 0)
+ ret = ARCHIVE_OK;
+ else {
+ if (errno == EOPNOTSUPP) {
+ /* Filesystem doesn't support ACLs */
+ ret = ARCHIVE_OK;
+ } else {
+ archive_set_error(a, errno,
+ "Failed to set acl on fd: %s", tname);
+ ret = ARCHIVE_WARN;
+ }
+ }
+ }
+#if HAVE_ACL_SET_LINK_NP
+ else if (acl_set_link_np(name, acl_type, acl) != 0)
+#else
+ /* FreeBSD older than 8.0 */
+ else if (acl_set_file(name, acl_type, acl) != 0)
+#endif
+ {
+ if (errno == EOPNOTSUPP) {
+ /* Filesystem doesn't support ACLs */
+ ret = ARCHIVE_OK;
+ } else {
+ archive_set_error(a, errno, "Failed to set acl: %s",
+ tname);
+ ret = ARCHIVE_WARN;
+ }
+ }
+exit_free:
+ acl_free(acl);
+ return (ret);
+}
+
+int
+archive_read_disk_entry_setup_acls(struct archive_read_disk *a,
+ struct archive_entry *entry, int *fd)
+{
+ const char *accpath;
+ acl_t acl;
+ int r;
+
+ accpath = NULL;
+
+ if (*fd < 0) {
+ accpath = archive_read_disk_entry_setup_path(a, entry, fd);
+ if (accpath == NULL)
+ return (ARCHIVE_WARN);
+ }
+
+ archive_entry_acl_clear(entry);
+
+ acl = NULL;
+
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ /* Try NFSv4 ACL first. */
+ if (*fd >= 0)
+ acl = acl_get_fd_np(*fd, ACL_TYPE_NFS4);
+ else if (!a->follow_symlinks)
+ acl = acl_get_link_np(accpath, ACL_TYPE_NFS4);
+ else
+ acl = acl_get_file(accpath, ACL_TYPE_NFS4);
+
+ /* Ignore "trivial" ACLs that just mirror the file mode. */
+ if (acl != NULL && acl_is_trivial_np(acl, &r) == 0 && r == 1) {
+ acl_free(acl);
+ acl = NULL;
+ return (ARCHIVE_OK);
+ }
+
+ if (acl != NULL) {
+ r = translate_acl(a, entry, acl, ARCHIVE_ENTRY_ACL_TYPE_NFS4);
+ acl_free(acl);
+ acl = NULL;
+
+ if (r != ARCHIVE_OK) {
+ archive_set_error(&a->archive, errno,
+ "Couldn't translate NFSv4 ACLs");
+ }
+
+ return (r);
+ }
+#endif
+
+ /* Retrieve access ACL from file. */
+ if (*fd >= 0)
+ acl = acl_get_fd_np(*fd, ACL_TYPE_ACCESS);
+#if HAVE_ACL_GET_LINK_NP
+ else if (!a->follow_symlinks)
+ acl = acl_get_link_np(accpath, ACL_TYPE_ACCESS);
+#else
+ else if ((!a->follow_symlinks)
+ && (archive_entry_filetype(entry) == AE_IFLNK))
+ /* We can't get the ACL of a symlink, so we assume it can't
+ have one. */
+ acl = NULL;
+#endif
+ else
+ acl = acl_get_file(accpath, ACL_TYPE_ACCESS);
+
+#if HAVE_ACL_IS_TRIVIAL_NP
+ /* Ignore "trivial" ACLs that just mirror the file mode. */
+ if (acl != NULL && acl_is_trivial_np(acl, &r) == 0 && r == 1) {
+ acl_free(acl);
+ acl = NULL;
+ }
+#endif
+
+ if (acl != NULL) {
+ r = translate_acl(a, entry, acl, ARCHIVE_ENTRY_ACL_TYPE_ACCESS);
+ acl_free(acl);
+ acl = NULL;
+
+ if (r != ARCHIVE_OK) {
+ archive_set_error(&a->archive, errno,
+ "Couldn't translate access ACLs");
+ return (r);
+ }
+ }
+
+ /* Only directories can have default ACLs. */
+ if (S_ISDIR(archive_entry_mode(entry))) {
+ if (*fd >= 0)
+ acl = acl_get_fd_np(*fd, ACL_TYPE_DEFAULT);
+ else
+ acl = acl_get_file(accpath, ACL_TYPE_DEFAULT);
+ if (acl != NULL) {
+ r = translate_acl(a, entry, acl,
+ ARCHIVE_ENTRY_ACL_TYPE_DEFAULT);
+ acl_free(acl);
+ if (r != ARCHIVE_OK) {
+ archive_set_error(&a->archive, errno,
+ "Couldn't translate default ACLs");
+ return (r);
+ }
+ }
+ }
+ return (ARCHIVE_OK);
+}
+
+int
+archive_write_disk_set_acls(struct archive *a, int fd, const char *name,
+ struct archive_acl *abstract_acl, __LA_MODE_T mode)
+{
+ int ret = ARCHIVE_OK;
+
+ (void)mode; /* UNUSED */
+
+ if ((archive_acl_types(abstract_acl)
+ & ARCHIVE_ENTRY_ACL_TYPE_POSIX1E) != 0) {
+ if ((archive_acl_types(abstract_acl)
+ & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) {
+ ret = set_acl(a, fd, name, abstract_acl,
+ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, "access");
+ if (ret != ARCHIVE_OK)
+ return (ret);
+ }
+ if ((archive_acl_types(abstract_acl)
+ & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0)
+ ret = set_acl(a, fd, name, abstract_acl,
+ ARCHIVE_ENTRY_ACL_TYPE_DEFAULT, "default");
+
+ /* Simultaneous POSIX.1e and NFSv4 is not supported */
+ return (ret);
+ }
+#if ARCHIVE_ACL_FREEBSD_NFS4
+ else if ((archive_acl_types(abstract_acl) &
+ ARCHIVE_ENTRY_ACL_TYPE_NFS4) != 0) {
+ ret = set_acl(a, fd, name, abstract_acl,
+ ARCHIVE_ENTRY_ACL_TYPE_NFS4, "nfs4");
+ }
+#endif
+ return (ret);
+}