*
* Copyright (C) 1996 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
- * Copyright (C) 2006 Wayne Davison
+ * Copyright (C) 2006-2008 Wayne Davison
*
* 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
extern int read_only;
extern int list_only;
extern int orig_umask;
-extern int protocol_version;
extern int numeric_ids;
extern int inc_recurse;
static const char *str_acl_type(SMB_ACL_TYPE_T type)
{
- return type == SMB_ACL_TYPE_ACCESS ? "SMB_ACL_TYPE_ACCESS"
- : type == SMB_ACL_TYPE_DEFAULT ? "SMB_ACL_TYPE_DEFAULT"
- : "unknown SMB_ACL_TYPE_T";
+ switch (type) {
+ case SMB_ACL_TYPE_ACCESS:
+#ifdef HAVE_OSX_ACLS
+ return "ACL_TYPE_EXTENDED";
+#else
+ return "ACL_TYPE_ACCESS";
+#endif
+ case SMB_ACL_TYPE_DEFAULT:
+ return "ACL_TYPE_DEFAULT";
+ default:
+ break;
+ }
+ return "unknown ACL type!";
}
static int calc_sacl_entries(const rsync_acl *racl)
*racl = empty_rsync_acl;
}
-void free_acl(statx *sxp)
+void free_acl(stat_x *sxp)
{
if (sxp->acc_acl) {
rsync_acl_free(sxp->acc_acl);
rc = sys_acl_get_entry(sacl, SMB_ACL_NEXT_ENTRY, &entry)) {
SMB_ACL_TAG_T tag_type;
uint32 access;
- void *qualifier;
+ id_t g_u_id;
id_access *ida;
- if ((rc = sys_acl_get_tag_type(entry, &tag_type)) != 0) {
- errfun = "sys_acl_get_tag_type";
- break;
- }
- if ((rc = sys_acl_get_access_bits(entry, &access)) != 0) {
- errfun = "sys_acl_get_access_bits";
+ if ((rc = sys_acl_get_info(entry, &tag_type, &access, &g_u_id)) != 0) {
+ errfun = "sys_acl_get_info";
break;
}
/* continue == done with entry; break == store in temporary ida list */
switch (tag_type) {
+#ifndef HAVE_OSX_ACLS
case SMB_ACL_USER_OBJ:
if (racl->user_obj == NO_ENTRY)
racl->user_obj = access;
else
rprintf(FINFO, "unpack_smb_acl: warning: duplicate USER_OBJ entry ignored\n");
continue;
- case SMB_ACL_USER:
- access |= NAME_IS_USER;
- break;
case SMB_ACL_GROUP_OBJ:
if (racl->group_obj == NO_ENTRY)
racl->group_obj = access;
else
rprintf(FINFO, "unpack_smb_acl: warning: duplicate GROUP_OBJ entry ignored\n");
continue;
- case SMB_ACL_GROUP:
- break;
case SMB_ACL_MASK:
if (racl->mask_obj == NO_ENTRY)
racl->mask_obj = access;
else
rprintf(FINFO, "unpack_smb_acl: warning: duplicate OTHER entry ignored\n");
continue;
+#endif
+ case SMB_ACL_USER:
+ access |= NAME_IS_USER;
+ break;
+ case SMB_ACL_GROUP:
+ break;
default:
rprintf(FINFO, "unpack_smb_acl: warning: entry with unrecognized tag type ignored\n");
continue;
}
- if (!(qualifier = sys_acl_get_qualifier(entry))) {
- errfun = "sys_acl_get_tag_type";
- rc = EINVAL;
- break;
- }
ida = EXPAND_ITEM_LIST(&temp_ida_list, id_access, -10);
- ida->id = *((id_t *)qualifier);
+ ida->id = g_u_id;
ida->access = access;
- sys_acl_free_qualifier(qualifier, tag_type);
}
if (rc) {
- rsyserr(FERROR, errno, "unpack_smb_acl: %s()", errfun);
+ rsyserr(FERROR_XFER, errno, "unpack_smb_acl: %s()", errfun);
rsync_acl_free(racl);
return False;
}
#define COE(func,args) CALL_OR_ERROR(func,args,#func)
#define COE2(func,args) CALL_OR_ERROR(func,args,NULL)
+#ifndef HAVE_OSX_ACLS
/* Store the permissions in the system ACL entry. */
static int store_access_in_entry(uint32 access, SMB_ACL_ENTRY_T entry)
{
if (sys_acl_set_access_bits(entry, access)) {
- rsyserr(FERROR, errno, "store_access_in_entry sys_acl_set_access_bits()");
+ rsyserr(FERROR_XFER, errno, "store_access_in_entry sys_acl_set_access_bits()");
return -1;
}
return 0;
}
+#endif
/* Pack rsync ACL -> system ACL verbatim. Return whether we succeeded. */
static BOOL pack_smb_acl(SMB_ACL_T *smb_acl, const rsync_acl *racl)
SMB_ACL_ENTRY_T entry;
if (!(*smb_acl = sys_acl_init(calc_sacl_entries(racl)))) {
- rsyserr(FERROR, errno, "pack_smb_acl: sys_acl_init()");
+ rsyserr(FERROR_XFER, errno, "pack_smb_acl: sys_acl_init()");
return False;
}
+#ifndef HAVE_OSX_ACLS
COE( sys_acl_create_entry,(smb_acl, &entry) );
- COE( sys_acl_set_tag_type,(entry, SMB_ACL_USER_OBJ) );
- COE2( store_access_in_entry,(racl->user_obj & ~NO_ENTRY, entry) );
+ COE( sys_acl_set_info,(entry, SMB_ACL_USER_OBJ, racl->user_obj & ~NO_ENTRY, 0) );
+#endif
for (ida = racl->names.idas, count = racl->names.count; count; ida++, count--) {
#ifdef SMB_ACL_NEED_SORT
break;
#endif
COE( sys_acl_create_entry,(smb_acl, &entry) );
-#ifdef SMB_ACL_NEED_SORT
- COE( sys_acl_set_tag_type,(entry, SMB_ACL_USER) );
-#else
- COE( sys_acl_set_tag_type,(entry, ida->access & NAME_IS_USER
- ? SMB_ACL_USER : SMB_ACL_GROUP) );
-#endif
- COE( sys_acl_set_qualifier,(entry, (void*)&ida->id) );
- COE2( store_access_in_entry,(ida->access & ~NAME_IS_USER, entry) );
+ COE( sys_acl_set_info,
+ (entry,
+ ida->access & NAME_IS_USER ? SMB_ACL_USER : SMB_ACL_GROUP,
+ ida->access & ~NAME_IS_USER, ida->id) );
}
+#ifndef HAVE_OSX_ACLS
COE( sys_acl_create_entry,(smb_acl, &entry) );
- COE( sys_acl_set_tag_type,(entry, SMB_ACL_GROUP_OBJ) );
- COE2( store_access_in_entry,(racl->group_obj & ~NO_ENTRY, entry) );
+ COE( sys_acl_set_info,(entry, SMB_ACL_GROUP_OBJ, racl->group_obj & ~NO_ENTRY, 0) );
#ifdef SMB_ACL_NEED_SORT
for ( ; count; ida++, count--) {
COE( sys_acl_create_entry,(smb_acl, &entry) );
- COE( sys_acl_set_tag_type,(entry, SMB_ACL_GROUP) );
- COE( sys_acl_set_qualifier,(entry, (void*)&ida->id) );
- COE2( store_access_in_entry,(ida->access, entry) );
+ COE( sys_acl_set_info,(entry, SMB_ACL_GROUP, ida->access, ida->id) );
}
#endif
#ifdef ACLS_NEED_MASK
mask_bits = racl->mask_obj == NO_ENTRY ? racl->group_obj & ~NO_ENTRY : racl->mask_obj;
COE( sys_acl_create_entry,(smb_acl, &entry) );
- COE( sys_acl_set_tag_type,(entry, SMB_ACL_MASK) );
- COE2( store_access_in_entry,(mask_bits, entry) );
+ COE( sys_acl_set_info,(entry, SMB_ACL_MASK, mask_bits, NULL) );
#else
if (racl->mask_obj != NO_ENTRY) {
COE( sys_acl_create_entry,(smb_acl, &entry) );
- COE( sys_acl_set_tag_type,(entry, SMB_ACL_MASK) );
- COE2( store_access_in_entry,(racl->mask_obj, entry) );
+ COE( sys_acl_set_info,(entry, SMB_ACL_MASK, racl->mask_obj, 0) );
}
#endif
COE( sys_acl_create_entry,(smb_acl, &entry) );
- COE( sys_acl_set_tag_type,(entry, SMB_ACL_OTHER) );
- COE2( store_access_in_entry,(racl->other_obj & ~NO_ENTRY, entry) );
+ COE( sys_acl_set_info,(entry, SMB_ACL_OTHER, racl->other_obj & ~NO_ENTRY, 0) );
+#endif
#ifdef DEBUG
if (sys_acl_valid(*smb_acl) < 0)
- rprintf(FERROR, "pack_smb_acl: warning: system says the ACL I packed is invalid\n");
+ rprintf(FERROR_XFER, "pack_smb_acl: warning: system says the ACL I packed is invalid\n");
#endif
return True;
error_exit:
if (errfun) {
- rsyserr(FERROR, errno, "pack_smb_acl %s()", errfun);
+ rsyserr(FERROR_XFER, errno, "pack_smb_acl %s()", errfun);
}
sys_acl_free_acl(*smb_acl);
return False;
static int get_rsync_acl(const char *fname, rsync_acl *racl,
SMB_ACL_TYPE_T type, mode_t mode)
{
- SMB_ACL_T sacl = sys_acl_get_file(fname, type);
+ SMB_ACL_T sacl;
+
+#ifdef SUPPORT_XATTRS
+ /* --fake-super support: load ACLs from an xattr. */
+ if (am_root < 0) {
+ char *buf;
+ size_t len;
+ int cnt;
+
+ if ((buf = get_xattr_acl(fname, type == SMB_ACL_TYPE_ACCESS, &len)) == NULL)
+ return 0;
+ cnt = (len - 4*4) / (4+4);
+ if (len < 4*4 || len != (size_t)cnt*(4+4) + 4*4) {
+ free(buf);
+ return -1;
+ }
+
+ racl->user_obj = IVAL(buf, 0);
+ racl->group_obj = IVAL(buf, 4);
+ racl->mask_obj = IVAL(buf, 8);
+ racl->other_obj = IVAL(buf, 12);
+
+ if (cnt) {
+ char *bp = buf + 4*4;
+ id_access *ida;
+ if (!(ida = racl->names.idas = new_array(id_access, cnt)))
+ out_of_memory("get_rsync_acl");
+ racl->names.count = cnt;
+ for ( ; cnt--; ida++, bp += 4+4) {
+ ida->id = IVAL(bp, 0);
+ ida->access = IVAL(bp, 4);
+ }
+ }
+ free(buf);
+ return 0;
+ }
+#endif
- if (sacl) {
+ if ((sacl = sys_acl_get_file(fname, type)) != 0) {
BOOL ok = unpack_smb_acl(sacl, racl);
sys_acl_free_acl(sacl);
if (type == SMB_ACL_TYPE_ACCESS)
rsync_acl_fake_perms(racl, mode);
} else {
- rsyserr(FERROR, errno, "get_acl: sys_acl_get_file(%s, %s)",
+ rsyserr(FERROR_XFER, errno, "get_acl: sys_acl_get_file(%s, %s)",
fname, str_acl_type(type));
return -1;
}
}
/* Return the Access Control List for the given filename. */
-int get_acl(const char *fname, statx *sxp)
+int get_acl(const char *fname, stat_x *sxp)
{
sxp->acc_acl = create_racl();
if (get_rsync_acl(fname, sxp->acc_acl, SMB_ACL_TYPE_ACCESS,
/* === Send functions === */
-/* The general strategy with the tag_type <-> character mapping is that
- * lowercase implies that no qualifier follows, where uppercase does.
- * A similar idiom for the ACL type (access or default) itself, but
- * lowercase in this instance means there's no ACL following, so the
- * ACL is a repeat, so the receiver should reuse the last of the same
- * type ACL. */
-
/* Send the ida list over the file descriptor. */
static void send_ida_entries(const ida_entries *idal, int f)
{
for (ida = idal->idas; count--; ida++) {
uint32 xbits = ida->access << 2;
- char *name;
+ const char *name;
if (ida->access & NAME_IS_USER) {
xbits |= XFLAG_NAME_IS_USER;
name = add_uid(ida->id);
}
}
-/* Send the ACL from the statx structure down the indicated file descriptor.
+/* Send the ACL from the stat_x structure down the indicated file descriptor.
* This also frees the ACL data. */
-void send_acl(statx *sxp, int f)
+void send_acl(stat_x *sxp, int f)
{
if (!sxp->acc_acl) {
sxp->acc_acl = create_racl();
if (name_follows_ptr) {
int flags = access & 3;
access >>= 2;
- if (access & ~SMB_ACL_VALID_NAME_BITS)
+ if (am_root >= 0 && access & ~SMB_ACL_VALID_NAME_BITS)
goto value_error;
if (flags & XFLAG_NAME_FOLLOWS)
*name_follows_ptr = 1;
*name_follows_ptr = 0;
if (flags & XFLAG_NAME_IS_USER)
access |= NAME_IS_USER;
- } else if (access & ~SMB_ACL_VALID_OBJ_BITS) {
+ } else if (am_root >= 0 && access & ~SMB_ACL_VALID_OBJ_BITS) {
value_error:
- rprintf(FERROR, "recv_acl_access: value out of range: %x\n",
+ rprintf(FERROR_XFER, "recv_acl_access: value out of range: %x\n",
access);
exit_cleanup(RERR_STREAMIO);
}
int ndx = read_varint(f);
if (ndx < 0 || (size_t)ndx > racl_list->count) {
- rprintf(FERROR, "recv_acl_index: %s ACL index %d > %d\n",
+ rprintf(FERROR_XFER, "recv_acl_index: %s ACL index %d > %d\n",
str_acl_type(type), ndx, (int)racl_list->count);
exit_cleanup(RERR_STREAMIO);
}
if (flags & XMIT_NAME_LIST)
computed_mask_bits |= recv_ida_entries(&duo_item->racl.names, f);
+#ifdef HAVE_OSX_ACLS
+ /* If we received a superfluous mask, throw it away. */
+ duo_item->racl.mask_obj = NO_ENTRY;
+#else
if (!duo_item->racl.names.count) {
/* If we received a superfluous mask, throw it away. */
if (duo_item->racl.mask_obj != NO_ENTRY) {
}
} else if (duo_item->racl.mask_obj == NO_ENTRY) /* Must be non-empty with lists. */
duo_item->racl.mask_obj = (computed_mask_bits | duo_item->racl.group_obj) & ~NO_ENTRY;
+#endif
duo_item->sacl = NULL;
return ndx;
}
-/* Turn the ACL data in statx into cached ACL data, setting the index
+/* Turn the ACL data in stat_x into cached ACL data, setting the index
* values in the file struct. */
-void cache_acl(struct file_struct *file, statx *sxp)
+void cache_acl(struct file_struct *file, stat_x *sxp)
{
F_ACL(file) = cache_rsync_acl(sxp->acc_acl,
SMB_ACL_TYPE_ACCESS, &access_acl_list);
}
}
+#ifndef HAVE_OSX_ACLS
static mode_t change_sacl_perms(SMB_ACL_T sacl, rsync_acl *racl, mode_t old_mode, mode_t mode)
{
SMB_ACL_ENTRY_T entry;
if (rc) {
error_exit:
if (errfun) {
- rsyserr(FERROR, errno, "change_sacl_perms: %s()",
+ rsyserr(FERROR_XFER, errno, "change_sacl_perms: %s()",
errfun);
}
return (mode_t)~0;
/* Return the mode of the file on disk, as we will set them. */
return (old_mode & ~ACCESSPERMS) | (mode & ACCESSPERMS);
}
+#endif
static int set_rsync_acl(const char *fname, acl_duo *duo_item,
- SMB_ACL_TYPE_T type, statx *sxp, mode_t mode)
+ SMB_ACL_TYPE_T type, stat_x *sxp, mode_t mode)
{
if (type == SMB_ACL_TYPE_DEFAULT
&& duo_item->racl.user_obj == NO_ENTRY) {
- if (sys_acl_delete_def_file(fname) < 0) {
- rsyserr(FERROR, errno, "set_acl: sys_acl_delete_def_file(%s)",
+ int rc;
+#ifdef SUPPORT_XATTRS
+ /* --fake-super support: delete default ACL from xattrs. */
+ if (am_root < 0)
+ rc = del_def_xattr_acl(fname);
+ else
+#endif
+ rc = sys_acl_delete_def_file(fname);
+ if (rc < 0) {
+ rsyserr(FERROR_XFER, errno, "set_acl: sys_acl_delete_def_file(%s)",
fname);
return -1;
}
+#ifdef SUPPORT_XATTRS
+ } else if (am_root < 0) {
+ /* --fake-super support: store ACLs in an xattr. */
+ int cnt = duo_item->racl.names.count;
+ size_t len = 4*4 + cnt * (4+4);
+ char *buf = new_array(char, len);
+ int rc;
+
+ SIVAL(buf, 0, duo_item->racl.user_obj);
+ SIVAL(buf, 4, duo_item->racl.group_obj);
+ SIVAL(buf, 8, duo_item->racl.mask_obj);
+ SIVAL(buf, 12, duo_item->racl.other_obj);
+
+ if (cnt) {
+ char *bp = buf + 4*4;
+ id_access *ida = duo_item->racl.names.idas;
+ for ( ; cnt--; ida++, bp += 4+4) {
+ SIVAL(bp, 0, ida->id);
+ SIVAL(bp, 4, ida->access);
+ }
+ }
+ rc = set_xattr_acl(fname, type == SMB_ACL_TYPE_ACCESS, buf, len);
+ free(buf);
+ return rc;
+#endif
} else {
mode_t cur_mode = sxp->st.st_mode;
if (!duo_item->sacl
&& !pack_smb_acl(&duo_item->sacl, &duo_item->racl))
return -1;
+#ifdef HAVE_OSX_ACLS
+ mode = 0; /* eliminate compiler warning */
+#else
if (type == SMB_ACL_TYPE_ACCESS) {
cur_mode = change_sacl_perms(duo_item->sacl, &duo_item->racl,
cur_mode, mode);
if (cur_mode == (mode_t)~0)
return 0;
}
+#endif
if (sys_acl_set_file(fname, type, duo_item->sacl) < 0) {
- rsyserr(FERROR, errno, "set_acl: sys_acl_set_file(%s, %s)",
- fname, str_acl_type(type));
+ rsyserr(FERROR_XFER, errno, "set_acl: sys_acl_set_file(%s, %s)",
+ fname, str_acl_type(type));
return -1;
}
if (type == SMB_ACL_TYPE_ACCESS)
*
* Returns 1 for unchanged, 0 for changed, -1 for failed. Call this
* with fname set to NULL to just check if the ACL is unchanged. */
-int set_acl(const char *fname, const struct file_struct *file, statx *sxp)
+int set_acl(const char *fname, const struct file_struct *file, stat_x *sxp)
{
int unchanged = 1;
int32 ndx;
}
/* Otherwise fall through. */
default:
- rprintf(FERROR, "default_perms_for_dir: sys_acl_get_file(%s, %s): %s, falling back on umask\n",
+ rprintf(FWARNING,
+ "default_perms_for_dir: sys_acl_get_file(%s, %s): %s, falling back on umask\n",
dir, str_acl_type(SMB_ACL_TYPE_DEFAULT), strerror(errno));
}
return perms;
ok = unpack_smb_acl(sacl, &racl);
sys_acl_free_acl(sacl);
if (!ok) {
- rprintf(FERROR, "default_perms_for_dir: unpack_smb_acl failed, falling back on umask\n");
+ rprintf(FWARNING, "default_perms_for_dir: unpack_smb_acl failed, falling back on umask\n");
return perms;
}
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