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authorJan Zeleny <jzeleny@redhat.com>2012-07-26 03:38:22 -0400
committerJakub Hrozek <jhrozek@redhat.com>2012-07-31 14:11:51 +0200
commit95d170adf00b15dd9863a82eb22837409ab69bf0 (patch)
treeba37afe6e42231413307e1b9be653831f734b5c7 /src/providers/ipa/ipa_selinux.c
parent1390b5db218b0ecf0a806ab206bbda4d485658fb (diff)
downloadsssd-95d170adf00b15dd9863a82eb22837409ab69bf0.tar.gz
sssd-95d170adf00b15dd9863a82eb22837409ab69bf0.tar.xz
sssd-95d170adf00b15dd9863a82eb22837409ab69bf0.zip
Support fetching of HBAC rules from sysdb in SELinux code
If HBAC is active, SELinux code will reuse them instead of downloading them from the server again.
Diffstat (limited to 'src/providers/ipa/ipa_selinux.c')
-rw-r--r--src/providers/ipa/ipa_selinux.c61
1 files changed, 47 insertions, 14 deletions
diff --git a/src/providers/ipa/ipa_selinux.c b/src/providers/ipa/ipa_selinux.c
index 03b7eb459..0a2dd0830 100644
--- a/src/providers/ipa/ipa_selinux.c
+++ b/src/providers/ipa/ipa_selinux.c
@@ -33,6 +33,7 @@
#include "providers/ipa/ipa_hosts.h"
#include "providers/ipa/ipa_hbac_rules.h"
#include "providers/ipa/ipa_hbac_private.h"
+#include "providers/ipa/ipa_access.h"
#include "providers/ipa/ipa_selinux_common.h"
#include "providers/ipa/ipa_selinux_maps.h"
@@ -72,6 +73,10 @@ static void ipa_get_config_step(struct tevent_req *req);
static void ipa_get_selinux_config_done(struct tevent_req *subreq);
static void ipa_get_selinux_maps_done(struct tevent_req *subreq);
static void ipa_get_selinux_hbac_done(struct tevent_req *subreq);
+static int
+ipa_get_selinux_hbac_process(struct ipa_get_selinux_state *state,
+ struct sysdb_attrs **rules,
+ size_t rule_count);
void ipa_selinux_handler(struct be_req *be_req)
{
@@ -379,6 +384,11 @@ static void ipa_get_selinux_maps_done(struct tevent_req *subreq)
struct be_ctx *bctx;
struct ipa_id_ctx *id_ctx;
+ char *selinux_name;
+ char *access_name;
+ struct sysdb_attrs **rules;
+ size_t rule_count;
+
const char *tmp_str;
uint32_t priority = 0;
errno_t ret;
@@ -437,9 +447,19 @@ static void ipa_get_selinux_maps_done(struct tevent_req *subreq)
}
if (state->possible_matches) {
- /* FIXME: detect if HBAC is configured
- * - if yes, we can skip HBAC retrieval and get it directly from sysdb
- */
+ access_name = state->be_req->be_ctx->bet_info[BET_ACCESS].mod_name;
+ selinux_name = state->be_req->be_ctx->bet_info[BET_SELINUX].mod_name;
+ if (strcasecmp(access_name, selinux_name) == 0) {
+ ret = hbac_get_cached_rules(state, state->be_req->be_ctx->sysdb,
+ &rule_count, &rules);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ ret = ipa_get_selinux_hbac_process(state, rules, rule_count);
+ goto done;
+ }
+
DEBUG(SSSDBG_TRACE_FUNC, ("%d SELinux maps referenced an HBAC rule. "
"Need to refresh HBAC rules\n", state->possible_matches));
subreq = ipa_hbac_rule_info_send(state, false, bctx->ev,
@@ -472,14 +492,8 @@ static void ipa_get_selinux_hbac_done(struct tevent_req *subreq)
struct ipa_get_selinux_state *state = tevent_req_data(req,
struct ipa_get_selinux_state);
struct sysdb_attrs **rules;
- struct sysdb_attrs *usermap;
- struct ldb_message_element *el;
- const char *hbac_dn;
- const char *seealso_dn;
size_t rule_count;
- uint32_t priority = 0;
errno_t ret;
- int i, j;
ret = ipa_hbac_rule_info_recv(subreq, state, &rule_count,
&rules);
@@ -490,6 +504,29 @@ static void ipa_get_selinux_hbac_done(struct tevent_req *subreq)
goto done;
}
+ ret = ipa_get_selinux_hbac_process(state, rules, rule_count);
+
+done:
+ if (ret != EOK) {
+ tevent_req_error(req, ret);
+ } else {
+ tevent_req_done(req);
+ }
+}
+
+static int
+ipa_get_selinux_hbac_process(struct ipa_get_selinux_state *state,
+ struct sysdb_attrs **rules,
+ size_t rule_count)
+{
+ int i, j;
+ errno_t ret;
+ uint32_t priority = 0;
+ const char *hbac_dn;
+ const char *seealso_dn;
+ struct sysdb_attrs *usermap;
+ struct ldb_message_element *el;
+
for (i = 0; i < rule_count; i++) {
ret = sysdb_attrs_get_string(rules[i], SYSDB_ORIG_DN, &hbac_dn);
if (ret != EOK) {
@@ -563,11 +600,7 @@ static void ipa_get_selinux_hbac_done(struct tevent_req *subreq)
ret = EOK;
done:
- if (ret != EOK) {
- tevent_req_error(req, ret);
- } else {
- tevent_req_done(req);
- }
+ return ret;
}
static errno_t