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/*
SSSD
Proxy netgroup handler
Authors:
Sumit Bose <sbose@redhat.com>
Copyright (C) 2010 Red Hat
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
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "providers/proxy/proxy.h"
#include "util/util.h"
#define BUFLEN 1024
static errno_t make_netgroup_attr(struct __netgrent netgrent,
struct sysdb_attrs *attrs)
{
int ret;
char *dummy;
if (netgrent.type == group_val) {
ret =sysdb_attrs_add_string(attrs, SYSDB_NETGROUP_MEMBER,
netgrent.val.group);
if (ret != EOK) {
DEBUG(1, ("sysdb_attrs_add_string failed.\n"));
return ret;
}
} else if (netgrent.type == triple_val) {
dummy = talloc_asprintf(attrs, "(%s,%s,%s)", netgrent.val.triple.host,
netgrent.val.triple.user,
netgrent.val.triple.domain);
if (dummy == NULL) {
DEBUG(1, ("talloc_asprintf failed.\n"));
return ENOMEM;
}
ret = sysdb_attrs_add_string(attrs, SYSDB_NETGROUP_TRIPLE, dummy);
if (ret != EOK) {
DEBUG(1, ("sysdb_attrs_add_string failed.\n"));
return ret;
}
} else {
DEBUG(1, ("Unknown netgrent entry type [%d].\n", netgrent.type));
return EINVAL;
}
return EOK;
}
errno_t get_netgroup(struct proxy_id_ctx *ctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *dom,
const char *name)
{
struct __netgrent result;
enum nss_status status;
char buffer[BUFLEN];
int ret;
TALLOC_CTX *tmp_ctx;
struct sysdb_attrs *attrs;
memset(&result, 0 ,sizeof(result));
status = ctx->ops.setnetgrent(name, &result);
if (status != NSS_STATUS_SUCCESS) {
DEBUG(5, ("setnetgrent failed for netgroup [%s].\n", name));
return EIO;
}
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
DEBUG(1, ("talloc_new failed.\n"));
return ENOMEM;
}
attrs = sysdb_new_attrs(tmp_ctx);
if (attrs == NULL) {
DEBUG(1, ("sysdb_new_attrs failed.\n"));
return ENOMEM;
}
do {
status = ctx->ops.getnetgrent_r(&result, buffer, BUFLEN, &ret);
if (status != NSS_STATUS_SUCCESS && status != NSS_STATUS_RETURN) {
DEBUG(1, ("getnetgrent_r failed for netgroup [%s]: [%d][%s].\n",
name, ret, strerror(ret)));
goto done;
}
if (status == NSS_STATUS_SUCCESS) {
ret = make_netgroup_attr(result, attrs);
if (ret != EOK) {
DEBUG(1, ("make_netgroup_attr failed.\n"));
goto done;
}
}
} while (status != NSS_STATUS_RETURN);
status = ctx->ops.endnetgrent(&result);
if (status != NSS_STATUS_SUCCESS) {
DEBUG(1, ("endnetgrent failed.\n"));
ret = EIO;
goto done;
}
ret = sysdb_add_netgroup(sysdb, name, NULL, attrs,
ctx->entry_cache_timeout);
if (ret != EOK) {
DEBUG(1, ("sysdb_add_netgroup failed.\n"));
goto done;
}
ret = EOK;
done:
talloc_free(tmp_ctx);
return ret;
}
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