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/*
SSSD
Authors:
Stephen Gallagher <sgallagh@redhat.com>
Copyright (C) 2012 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"
#include "util/strtonum.h"
#include "db/sysdb_services.h"
#define BUFLEN 1024
errno_t
proxy_save_service(struct sysdb_ctx *sysdb,
struct servent *svc,
bool lowercase,
uint64_t cache_timeout)
{
errno_t ret;
char *cased_name;
const char **protocols;
const char **cased_aliases;
TALLOC_CTX *tmp_ctx;
size_t num_aliases, i;
time_t now = time(NULL);
tmp_ctx = talloc_new(NULL);
if (!tmp_ctx) return ENOMEM;
cased_name = sss_get_cased_name(tmp_ctx, svc->s_name, !lowercase);
if (!cased_name) {
ret = ENOMEM;
goto done;
}
protocols = talloc_array(tmp_ctx, const char *, 2);
if (!protocols) {
ret = ENOMEM;
goto done;
}
protocols[0] = sss_get_cased_name(protocols, svc->s_proto,
!lowercase);
if (!protocols[0]) {
ret = ENOMEM;
goto done;
}
protocols[1] = NULL;
/* Count the aliases */
for(num_aliases = 0; svc->s_aliases[num_aliases]; num_aliases++);
if (num_aliases >= 1) {
cased_aliases = talloc_array(tmp_ctx, const char *, num_aliases + 1);
if (!cased_aliases) {
ret = ENOMEM;
goto done;
}
for (i = 0; i < num_aliases; i++) {
cased_aliases[i] = sss_get_cased_name(tmp_ctx, svc->s_aliases[i],
!lowercase);
if (!cased_aliases[i]) {
ret = ENOMEM;
goto done;
}
}
cased_aliases[num_aliases] = NULL;
} else {
cased_aliases = NULL;
}
ret = sysdb_store_service(sysdb,
cased_name,
ntohs(svc->s_port),
cased_aliases,
protocols,
cache_timeout,
now);
done:
talloc_free(tmp_ctx);
return ret;
}
errno_t
get_serv_byname(struct proxy_id_ctx *ctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *dom,
const char *name,
const char *protocol)
{
errno_t ret;
enum nss_status status;
struct servent *result;
TALLOC_CTX *tmp_ctx;
char buffer[BUFLEN];
tmp_ctx = talloc_new(NULL);
if (!tmp_ctx) return ENOMEM;
result = talloc_zero(tmp_ctx, struct servent);
if (!result) {
ret = ENOMEM;
goto done;
}
status = ctx->ops.getservbyname_r(name, protocol, result,
buffer, BUFLEN, &ret);
if (status != NSS_STATUS_SUCCESS && status != NSS_STATUS_NOTFOUND) {
DEBUG(SSSDBG_MINOR_FAILURE,
("getservbyname_r failed for service [%s].\n", name));
return ret;
}
if (status == NSS_STATUS_NOTFOUND) {
/* Make sure we remove it from the cache */
ret = sysdb_svc_delete(sysdb, name, 0, protocol);
} else {
/* Results found. Save them into the cache */
ret = proxy_save_service(sysdb, result,
!dom->case_sensitive,
ctx->entry_cache_timeout);
}
done:
talloc_free(tmp_ctx);
return ret;
}
errno_t
get_serv_byport(struct proxy_id_ctx *ctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *dom,
const char *be_filter,
const char *protocol)
{
errno_t ret;
enum nss_status status;
struct servent *result;
TALLOC_CTX *tmp_ctx;
uint16_t port;
char buffer[BUFLEN];
tmp_ctx = talloc_new(NULL);
if (!tmp_ctx) return ENOMEM;
result = talloc_zero(tmp_ctx, struct servent);
if (!result) {
ret = ENOMEM;
goto done;
}
errno = 0;
port = htons(strtouint16(be_filter, NULL, 0));
if (errno) {
ret = errno;
goto done;
}
status = ctx->ops.getservbyport_r(port, protocol, result,
buffer, BUFLEN, &ret);
if (status != NSS_STATUS_SUCCESS && status != NSS_STATUS_NOTFOUND) {
DEBUG(SSSDBG_MINOR_FAILURE,
("getservbyport_r failed for service [%s].\n", be_filter));
return ret;
}
if (status == NSS_STATUS_NOTFOUND) {
/* Make sure we remove it from the cache */
ret = sysdb_svc_delete(sysdb, NULL, port, protocol);
} else {
/* Results found. Save them into the cache */
ret = proxy_save_service(sysdb, result,
!dom->case_sensitive,
ctx->entry_cache_timeout);
}
done:
talloc_free(tmp_ctx);
return ret;
}
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