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-rw-r--r--libarchive/archive_read_disk_acl_linux.c352
1 files changed, 0 insertions, 352 deletions
diff --git a/libarchive/archive_read_disk_acl_linux.c b/libarchive/archive_read_disk_acl_linux.c
deleted file mode 100644
index 033e68a1a18c..000000000000
--- a/libarchive/archive_read_disk_acl_linux.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/*-
- * Copyright (c) 2003-2009 Tim Kientzle
- * Copyright (c) 2010-2012 Michihiro NAKAJIMA
- * Copyright (c) 2016-2017 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
-#if HAVE_ACL_LIBACL_H
-#include <acl/libacl.h>
-#endif
-#ifdef HAVE_SYS_ACL_H
-#include <sys/acl.h>
-#endif
-#if HAVE_SYS_RICHACL_H
-#include <sys/richacl.h>
-#endif
-
-#include "archive_entry.h"
-#include "archive_private.h"
-#include "archive_read_disk_private.h"
-#include "archive_acl_maps.h"
-
-#if HAVE_LIBACL
-#include <acl/libacl.h>
-#endif
-
-#if ARCHIVE_ACL_LIBACL
-/*
- * Translate POSIX.1e ACLs into libarchive internal structure
- */
-static int
-translate_acl(struct archive_read_disk *a,
- struct archive_entry *entry, acl_t acl, int default_entry_acl_type)
-{
- acl_tag_t acl_tag;
- acl_entry_t acl_entry;
- acl_permset_t acl_permset;
- int i, entry_acl_type;
- int r, s, ae_id, ae_tag, ae_perm;
- void *q;
- const char *ae_name;
-
- 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;
- 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 (acl_get_permset(acl_entry, &acl_permset) != 0) {
- archive_set_error(&a->archive, errno,
- "Failed to get ACL permission set");
- return (ARCHIVE_WARN);
- }
-
- for (i = 0; i < acl_posix_perm_map_size; ++i) {
- r = acl_get_perm(acl_permset,
- acl_posix_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 |= acl_posix_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);
-}
-#endif /* ARCHIVE_ACL_LIBACL */
-
-#if ARCHIVE_ACL_LIBRICHACL
-/*
- * Translate RichACL into libarchive internal ACL
- */
-static int
-translate_richacl(struct archive_read_disk *a, struct archive_entry *entry,
- struct richacl *richacl)
-{
- int ae_id, ae_tag, ae_perm;
- int entry_acl_type, i;
- const char *ae_name;
-
- struct richace *richace;
-
- richacl_for_each_entry(richace, richacl) {
- ae_name = NULL;
- ae_tag = 0;
- ae_perm = 0;
- ae_id = -1;
-
- switch (richace->e_type) {
- case RICHACE_ACCESS_ALLOWED_ACE_TYPE:
- entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALLOW;
- break;
- case RICHACE_ACCESS_DENIED_ACE_TYPE:
- entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_DENY;
- break;
- default: /* Unknown entry type, skip */
- continue;
- }
-
- /* Unsupported */
- if (richace->e_flags & RICHACE_UNMAPPED_WHO)
- continue;
-
- if (richace->e_flags & RICHACE_SPECIAL_WHO) {
- switch (richace->e_id) {
- case RICHACE_OWNER_SPECIAL_ID:
- ae_tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
- break;
- case RICHACE_GROUP_SPECIAL_ID:
- ae_tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
- break;
- case RICHACE_EVERYONE_SPECIAL_ID:
- ae_tag = ARCHIVE_ENTRY_ACL_EVERYONE;
- break;
- default: /* Unknown special ID type */
- continue;
- }
- } else {
- ae_id = richace->e_id;
- if (richace->e_flags & RICHACE_IDENTIFIER_GROUP) {
- ae_tag = ARCHIVE_ENTRY_ACL_GROUP;
- ae_name = archive_read_disk_gname(&a->archive,
- (gid_t)(richace->e_id));
- } else {
- ae_tag = ARCHIVE_ENTRY_ACL_USER;
- ae_name = archive_read_disk_uname(&a->archive,
- (uid_t)(richace->e_id));
- }
- }
- for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
- if ((richace->e_flags &
- acl_nfs4_flag_map[i].p_perm) != 0)
- ae_perm |= acl_nfs4_flag_map[i].a_perm;
- }
- for (i = 0; i < acl_nfs4_perm_map_size; ++i) {
- if ((richace->e_mask &
- acl_nfs4_perm_map[i].p_perm) != 0)
- ae_perm |=
- acl_nfs4_perm_map[i].a_perm;
- }
-
- archive_entry_acl_add_entry(entry, entry_acl_type,
- ae_perm, ae_tag, ae_id, ae_name);
- }
- return (ARCHIVE_OK);
-}
-#endif /* ARCHIVE_ACL_LIBRICHACL */
-
-int
-archive_read_disk_entry_setup_acls(struct archive_read_disk *a,
- struct archive_entry *entry, int *fd)
-{
- const char *accpath;
- int r;
-#if ARCHIVE_ACL_LIBACL
- acl_t acl;
-#endif
-#if ARCHIVE_ACL_LIBRICHACL
- struct richacl *richacl;
- mode_t mode;
-#endif
-
- accpath = NULL;
- r = ARCHIVE_OK;
-
- /* For default ACLs we need reachable accpath */
- if (*fd < 0 || S_ISDIR(archive_entry_mode(entry))) {
- accpath = archive_read_disk_entry_setup_path(a, entry, fd);
- if (accpath == NULL)
- return (ARCHIVE_WARN);
- }
-
- archive_entry_acl_clear(entry);
-
-#if ARCHIVE_ACL_LIBACL
- acl = NULL;
-#endif
-#if ARCHIVE_ACL_LIBRICHACL
- richacl = NULL;
-#endif
-
-#if ARCHIVE_ACL_LIBRICHACL
- /* Try NFSv4 ACL first. */
- if (*fd >= 0)
- richacl = richacl_get_fd(*fd);
- 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 */
- richacl = NULL;
- else
- richacl = richacl_get_file(accpath);
-
- /* Ignore "trivial" ACLs that just mirror the file mode. */
- if (richacl != NULL) {
- mode = archive_entry_mode(entry);
- if (richacl_equiv_mode(richacl, &mode) == 0) {
- richacl_free(richacl);
- richacl = NULL;
- return (ARCHIVE_OK);
- }
- }
-
- if (richacl != NULL) {
- r = translate_richacl(a, entry, richacl);
- richacl_free(richacl);
- richacl = NULL;
-
- if (r != ARCHIVE_OK) {
- archive_set_error(&a->archive, errno,
- "Couldn't translate NFSv4 ACLs");
- }
-
- return (r);
- }
-#endif /* ARCHIVE_ACL_LIBRICHACL */
-
-#if ARCHIVE_ACL_LIBACL
- /* Retrieve access ACL from file. */
- if (*fd >= 0)
- acl = acl_get_fd(*fd);
- 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;
- else
- acl = acl_get_file(accpath, ACL_TYPE_ACCESS);
-
- 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))) {
- 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);
- }
- }
- }
-#endif /* ARCHIVE_ACL_LIBACL */
- return (r);
-}