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-rw-r--r--nis/nis_clone.c551
1 files changed, 551 insertions, 0 deletions
diff --git a/nis/nis_clone.c b/nis/nis_clone.c
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+++ b/nis/nis_clone.c
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+/* Copyright (c) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <string.h>
+#include <rpcsvc/nis.h>
+#include <rpcsvc/nislib.h>
+
+directory_obj *
+nis_clone_directory (const directory_obj *src, directory_obj *dest)
+{
+ directory_obj *res;
+
+ if (src == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ res = calloc (1, sizeof (directory_obj));
+ if (res == NULL)
+ return NULL;
+ }
+ else
+ res = dest;
+
+ if (src->do_name)
+ res->do_name = strdup (src->do_name);
+ else
+ res->do_name = NULL;
+ res->do_type = src->do_type;
+ if (src->do_servers.do_servers_len > 0)
+ {
+ size_t i;
+
+ res->do_servers.do_servers_len = src->do_servers.do_servers_len;
+ if ((res->do_servers.do_servers_val =
+ malloc (src->do_servers.do_servers_len * sizeof (nis_server)))
+ == NULL)
+ return NULL;
+
+ for (i = 0; i < src->do_servers.do_servers_len; ++i)
+ {
+ if (src->do_servers.do_servers_val[i].name != NULL)
+ res->do_servers.do_servers_val[i].name =
+ strdup (src->do_servers.do_servers_val[i].name);
+ else
+ res->do_servers.do_servers_val[i].name = NULL;
+
+ res->do_servers.do_servers_val[i].ep.ep_len =
+ src->do_servers.do_servers_val[i].ep.ep_len;
+ if (res->do_servers.do_servers_val[i].ep.ep_len > 0)
+ {
+ size_t j;
+
+ res->do_servers.do_servers_val[i].ep.ep_val =
+ malloc (src->do_servers.do_servers_val[i].ep.ep_len *
+ sizeof (endpoint));
+ for (j = 0; j < res->do_servers.do_servers_val[i].ep.ep_len; ++j)
+ {
+ if (src->do_servers.do_servers_val[i].ep.ep_val[j].uaddr)
+ res->do_servers.do_servers_val[i].ep.ep_val[j].uaddr
+ = strdup (src->do_servers.do_servers_val[i].ep.ep_val[j].uaddr);
+ else
+ res->do_servers.do_servers_val[i].ep.ep_val[j].uaddr = NULL;
+
+ if (src->do_servers.do_servers_val[i].ep.ep_val[j].family)
+ res->do_servers.do_servers_val[i].ep.ep_val[j].family
+ = strdup (src->do_servers.do_servers_val[i].ep.ep_val[j].family);
+ else
+ res->do_servers.do_servers_val[i].ep.ep_val[j].family = NULL;
+
+ if (src->do_servers.do_servers_val[i].ep.ep_val[j].proto)
+ res->do_servers.do_servers_val[i].ep.ep_val[j].proto
+ = strdup (src->do_servers.do_servers_val[i].ep.ep_val[j].proto);
+ else
+ res->do_servers.do_servers_val[i].ep.ep_val[j].proto = NULL;
+ }
+ }
+ else
+ {
+ res->do_servers.do_servers_val[i].ep.ep_val = NULL;
+ }
+ res->do_servers.do_servers_val[i].key_type =
+ src->do_servers.do_servers_val[i].key_type;
+ res->do_servers.do_servers_val[i].pkey.n_len =
+ src->do_servers.do_servers_val[i].pkey.n_len;
+ if (res->do_servers.do_servers_val[i].pkey.n_len > 0)
+ {
+ res->do_servers.do_servers_val[i].pkey.n_bytes =
+ malloc (src->do_servers.do_servers_val[i].pkey.n_len);
+ if (res->do_servers.do_servers_val[i].pkey.n_bytes == NULL)
+ return NULL;
+ memcpy (res->do_servers.do_servers_val[i].pkey.n_bytes,
+ src->do_servers.do_servers_val[i].pkey.n_bytes,
+ src->do_servers.do_servers_val[i].pkey.n_len);
+ }
+ else
+ res->do_servers.do_servers_val[i].pkey.n_bytes = NULL;
+ }
+ }
+ else
+ {
+ res->do_servers.do_servers_len = 0;
+ res->do_servers.do_servers_val = NULL;
+ }
+ res->do_ttl = src->do_ttl;
+ res->do_armask.do_armask_len = src->do_armask.do_armask_len;
+ if (res->do_armask.do_armask_len > 0)
+ {
+ if ((res->do_armask.do_armask_val =
+ malloc (src->do_armask.do_armask_len * sizeof (oar_mask))) == NULL)
+ return NULL;
+ memcpy (res->do_armask.do_armask_val, src->do_armask.do_armask_val,
+ src->do_armask.do_armask_len * sizeof (oar_mask));
+ }
+ else
+ {
+ res->do_armask.do_armask_val = NULL;
+ }
+
+ return res;
+}
+
+group_obj *
+nis_clone_group (const group_obj *src, group_obj *dest)
+{
+ size_t i;
+ group_obj *res = NULL;
+
+ if (src == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ res = calloc (1, sizeof (group_obj));
+ if (res == NULL)
+ return NULL;
+ }
+ else
+ res = dest;
+
+ res->gr_flags = src->gr_flags;
+
+ res->gr_members.gr_members_len = src->gr_members.gr_members_len;
+ if (res->gr_members.gr_members_len > 0)
+ {
+ if (res->gr_members.gr_members_val == NULL)
+ {
+ res->gr_members.gr_members_val =
+ malloc (res->gr_members.gr_members_len * sizeof (nis_name));
+ if (res->gr_members.gr_members_val == NULL)
+ return NULL;
+ }
+ for (i = 0; i < res->gr_members.gr_members_len; ++i)
+ if (src->gr_members.gr_members_val[i] != NULL)
+ res->gr_members.gr_members_val[i] =
+ strdup (src->gr_members.gr_members_val[i]);
+ else
+ res->gr_members.gr_members_val[i] = NULL;
+ }
+
+ return res;
+}
+
+table_obj *
+nis_clone_table (const table_obj *src, table_obj *dest)
+{
+ size_t i;
+ table_obj *res = NULL;
+
+ if (src == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ res = calloc (1, sizeof (table_obj));
+ if (res == NULL)
+ return res;
+ }
+ else
+ res = dest;
+
+ if (src->ta_type != NULL)
+ {
+ if ((res->ta_type = strdup (src->ta_type)) == NULL)
+ return NULL;
+ }
+ else
+ res->ta_type = NULL;
+
+ res->ta_maxcol = src->ta_maxcol;
+ res->ta_sep = src->ta_sep;
+ res->ta_cols.ta_cols_len = src->ta_cols.ta_cols_len;
+ if (res->ta_cols.ta_cols_val == NULL)
+ {
+ res->ta_cols.ta_cols_val =
+ malloc (src->ta_cols.ta_cols_len * sizeof (table_col));
+ if (res->ta_cols.ta_cols_val == NULL)
+ return NULL;
+ }
+ for (i = 0; i < res->ta_cols.ta_cols_len; i++)
+ {
+ if (src->ta_cols.ta_cols_val[i].tc_name == NULL)
+ res->ta_cols.ta_cols_val[i].tc_name = NULL;
+ else
+ res->ta_cols.ta_cols_val[i].tc_name =
+ strdup (src->ta_cols.ta_cols_val[i].tc_name);
+ res->ta_cols.ta_cols_val[i].tc_flags =
+ src->ta_cols.ta_cols_val[i].tc_flags;
+ res->ta_cols.ta_cols_val[i].tc_rights =
+ src->ta_cols.ta_cols_val[i].tc_rights;
+ }
+
+ if (src->ta_path != NULL)
+ {
+ if ((res->ta_path = strdup (src->ta_path)) == NULL)
+ return NULL;
+ }
+ else
+ res->ta_path = NULL;
+
+ return res;
+}
+
+entry_obj *
+nis_clone_entry (const entry_obj *src, entry_obj *dest)
+{
+ size_t i;
+ entry_obj *res = NULL;
+
+ if (src == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ res = calloc (1, sizeof (entry_obj));
+ if (res == NULL)
+ return NULL;
+ }
+ else
+ res = dest;
+
+ if (src->en_type)
+ res->en_type = strdup (src->en_type);
+ else
+ res->en_type = NULL;
+
+ res->en_cols.en_cols_len = src->en_cols.en_cols_len;
+ if (res->en_cols.en_cols_val == NULL && src->en_cols.en_cols_len > 0)
+ {
+ res->en_cols.en_cols_val =
+ malloc (src->en_cols.en_cols_len * sizeof (entry_col));
+ if (res->en_cols.en_cols_val == NULL)
+ return NULL;
+ }
+ for (i = 0; i < res->en_cols.en_cols_len; ++i)
+ {
+ res->en_cols.en_cols_val[i].ec_flags =
+ src->en_cols.en_cols_val[i].ec_flags;
+ res->en_cols.en_cols_val[i].ec_value.ec_value_len =
+ src->en_cols.en_cols_val[i].ec_value.ec_value_len;
+ if (res->en_cols.en_cols_val[i].ec_value.ec_value_val == NULL &&
+ src->en_cols.en_cols_val[i].ec_value.ec_value_len > 0)
+ res->en_cols.en_cols_val[i].ec_value.ec_value_val =
+ malloc (src->en_cols.en_cols_val[i].ec_value.ec_value_len);
+ memcpy (res->en_cols.en_cols_val[i].ec_value.ec_value_val,
+ src->en_cols.en_cols_val[i].ec_value.ec_value_val,
+ res->en_cols.en_cols_val[i].ec_value.ec_value_len);
+ }
+
+ return res;
+}
+
+nis_attr *
+nis_clone_nis_attr (const nis_attr *src, nis_attr *dest)
+{
+ nis_attr *res = NULL;
+
+ if (src == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ res = calloc (1, sizeof (nis_attr));
+ if (res == NULL)
+ return NULL;
+ }
+ else
+ res = dest;
+
+ if (src->zattr_ndx != NULL)
+ {
+ if ((res->zattr_ndx = strdup (src->zattr_ndx)) == NULL)
+ return NULL;
+ }
+ else
+ res->zattr_ndx = NULL;
+
+ res->zattr_val.zattr_val_len = src->zattr_val.zattr_val_len;
+ if (res->zattr_val.zattr_val_val == NULL)
+ {
+ res->zattr_val.zattr_val_val =
+ malloc (src->zattr_val.zattr_val_len);
+ if (res->zattr_val.zattr_val_val == NULL)
+ return NULL;
+ }
+ memcpy (res->zattr_val.zattr_val_val, src->zattr_val.zattr_val_val,
+ src->zattr_val.zattr_val_len);
+
+ return res;
+}
+
+static nis_attr *
+__nis_clone_attrs (const nis_attr *src, nis_attr *dest, u_int len)
+{
+ unsigned int i;
+ nis_attr *res;
+
+ if (len == 0)
+ return dest;
+
+ if (dest == NULL)
+ {
+ res = calloc (len, sizeof (nis_attr));
+ if (res == NULL)
+ return NULL;
+ }
+ else
+ res = dest;
+
+ for (i = 0; i < len; i++)
+ nis_clone_nis_attr(&src[i], &res[i]);
+
+ return res;
+}
+
+link_obj *
+nis_clone_link (const link_obj *src, link_obj *dest)
+{
+ link_obj *res = NULL;
+
+ if (src == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ res = calloc (1, sizeof (link_obj));
+ if (res == NULL)
+ return NULL;
+ }
+ else
+ res = dest;
+
+ res->li_rtype = src->li_rtype;
+
+ res->li_attrs.li_attrs_len = src->li_attrs.li_attrs_len;
+ res->li_attrs.li_attrs_val =
+ __nis_clone_attrs (src->li_attrs.li_attrs_val,
+ res->li_attrs.li_attrs_val,
+ src->li_attrs.li_attrs_len);
+
+ if ((res->li_name = strdup (src->li_name)) == NULL)
+ return NULL;
+
+ return res;
+}
+
+objdata *
+nis_clone_objdata (const objdata *src, objdata *dest)
+{
+ objdata *res = NULL;
+
+ if (src == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ res = calloc (1, sizeof (objdata));
+ if (res == NULL)
+ return res;
+ }
+ else
+ res = dest;
+
+ res->zo_type = src->zo_type;
+
+ switch (src->zo_type)
+ {
+ case BOGUS_OBJ:
+ break;
+ case NO_OBJ:
+ break;
+ case DIRECTORY_OBJ:
+ if (nis_clone_directory (&src->objdata_u.di_data,
+ &res->objdata_u.di_data) == NULL)
+ return NULL;
+ break;
+ case GROUP_OBJ:
+ if (nis_clone_group (&src->objdata_u.gr_data,
+ &res->objdata_u.gr_data) == NULL)
+ return NULL;
+ break;
+ case TABLE_OBJ:
+ if (nis_clone_table (&src->objdata_u.ta_data,
+ &res->objdata_u.ta_data) == NULL)
+ return NULL;
+ break;
+ case ENTRY_OBJ:
+ if (nis_clone_entry (&src->objdata_u.en_data,
+ &res->objdata_u.en_data) == NULL)
+ return NULL;
+ break;
+ case LINK_OBJ:
+ if (nis_clone_link (&src->objdata_u.li_data,
+ &res->objdata_u.li_data) == NULL)
+ return NULL;
+ break;
+ case PRIVATE_OBJ:
+ res->objdata_u.po_data.po_data_len =
+ src->objdata_u.po_data.po_data_len;
+ if (src->objdata_u.po_data.po_data_val)
+ {
+ res->objdata_u.po_data.po_data_val =
+ malloc (res->objdata_u.po_data.po_data_len);
+ if (res->objdata_u.po_data.po_data_val == NULL)
+ return NULL;
+ memcpy (res->objdata_u.po_data.po_data_val,
+ src->objdata_u.po_data.po_data_val,
+ src->objdata_u.po_data.po_data_len);
+ if (res->objdata_u.po_data.po_data_val == NULL)
+ return NULL;
+ }
+ else
+ {
+ res->objdata_u.po_data.po_data_val = NULL;
+ res->objdata_u.po_data.po_data_len = 0;
+ }
+ break;
+ default:
+ return NULL;
+ }
+
+ return res;
+}
+
+nis_object *
+nis_clone_object (const nis_object *src, nis_object *dest)
+{
+ nis_object *res = NULL;
+
+ if (src == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ res = calloc (1, sizeof (nis_object));
+ if (res == NULL)
+ return NULL;
+ }
+ else
+ res = dest;
+
+ res->zo_oid = src->zo_oid;
+
+ if ((res->zo_name = strdup (src->zo_name)) == NULL)
+ return NULL;
+ if ((res->zo_owner = strdup (src->zo_owner)) == NULL)
+ return NULL;
+ if ((res->zo_group = strdup (src->zo_group)) == NULL)
+ return NULL;
+ if ((res->zo_domain = strdup (src->zo_domain)) == NULL)
+ return NULL;
+
+ res->zo_access = src->zo_access;
+ res->zo_ttl = src->zo_ttl;
+
+ if (nis_clone_objdata (&src->zo_data, &res->zo_data) == NULL)
+ return NULL;
+
+ return res;
+}
+
+static nis_object *
+__nis_clone_objects (const nis_object *src, nis_object *dest, u_int len)
+{
+ unsigned int i;
+ nis_object *res;
+
+ if (len == 0)
+ return dest;
+
+ if (dest == NULL)
+ {
+ res = calloc (len, sizeof (nis_object));
+ if (res == NULL)
+ return NULL;
+ }
+ else
+ res = dest;
+
+ for (i = 0; i < len; ++i)
+ nis_clone_object(&src[i], &res[i]);
+
+ return res;
+}
+
+nis_result *
+nis_clone_result (const nis_result *src, nis_result *dest)
+{
+ nis_result *res = NULL;
+
+ if (src == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ res = calloc (1, sizeof (nis_result));
+ if (res == NULL)
+ return NULL;
+ }
+ else
+ res = dest;
+
+ res->status = src->status;
+ res->objects.objects_len = src->objects.objects_len;
+ res->objects.objects_val =
+ __nis_clone_objects (src->objects.objects_val,
+ res->objects.objects_val,
+ src->objects.objects_len);
+ res->zticks = src->zticks;
+ res->dticks = src->dticks;
+ res->aticks = src->aticks;
+ res->cticks = src->cticks;
+
+ return res;
+}