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From 1f278025259661dbbec6d9d9cca4f4b8ba6decca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20B=C5=99ezina?= <pbrezina@redhat.com>
Date: Thu, 17 Dec 2015 14:00:21 +0100
Subject: [PATCH 28/49] IPA SUDO: Implement rules refresh
Reviewed-by: Sumit Bose <sbose@redhat.com>
(cherry picked from commit 9630a4614ba4d5f68e967d4e108893550a996f30)
---
src/providers/ipa/ipa_sudo.c | 11 +++
src/providers/ipa/ipa_sudo.h | 11 +++
src/providers/ipa/ipa_sudo_async.c | 12 ++-
src/providers/ipa/ipa_sudo_conversion.c | 2 +-
src/providers/ipa/ipa_sudo_refresh.c | 155 ++++++++++++++++++++++++++++++++
5 files changed, 186 insertions(+), 5 deletions(-)
diff --git a/src/providers/ipa/ipa_sudo.c b/src/providers/ipa/ipa_sudo.c
index 3e73bd30fa86f394b3ef822d59c7b0e539c92ca2..b4633858f8b1eda870dd1014f998bd7215d0bdbf 100644
--- a/src/providers/ipa/ipa_sudo.c
+++ b/src/providers/ipa/ipa_sudo.c
@@ -211,6 +211,7 @@ ipa_sudo_reply(struct tevent_req *req)
{
struct be_sudo_req *sudo_req;
struct be_req *be_req;
+ bool deleted;
int dp_error;
int ret;
@@ -221,6 +222,12 @@ ipa_sudo_reply(struct tevent_req *req)
case BE_REQ_SUDO_FULL:
ret = ipa_sudo_full_refresh_recv(req, &dp_error);
break;
+ case BE_REQ_SUDO_RULES:
+ ret = ipa_sudo_rules_refresh_recv(req, &dp_error, &deleted);
+ if (ret == EOK && deleted == true) {
+ ret = ENOENT;
+ }
+ break;
default:
DEBUG(SSSDBG_CRIT_FAILURE, "Invalid request type: %d\n",
sudo_req->type);
@@ -256,6 +263,10 @@ ipa_sudo_handler(struct be_req *be_req)
case BE_REQ_SUDO_FULL:
req = ipa_sudo_full_refresh_send(be_req, be_ctx->ev, sudo_ctx);
break;
+ case BE_REQ_SUDO_RULES:
+ req = ipa_sudo_rules_refresh_send(be_req, be_ctx->ev, sudo_ctx,
+ sudo_req->rules);
+ break;
default:
DEBUG(SSSDBG_CRIT_FAILURE, "Invalid request type: %d\n",
sudo_req->type);
diff --git a/src/providers/ipa/ipa_sudo.h b/src/providers/ipa/ipa_sudo.h
index 1ef50a7f352182bdc6607b2fd8ee3d72ccab391d..9dd72948732f4b6e19f4a6546128c5319cd97bda 100644
--- a/src/providers/ipa/ipa_sudo.h
+++ b/src/providers/ipa/ipa_sudo.h
@@ -50,6 +50,11 @@ int
ipa_sudo_full_refresh_recv(struct tevent_req *req,
int *dp_error);
+int
+ipa_sudo_rules_refresh_recv(struct tevent_req *req,
+ int *dp_error,
+ bool *deleted);
+
struct tevent_req *
ipa_sudo_refresh_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
@@ -57,6 +62,12 @@ ipa_sudo_refresh_send(TALLOC_CTX *mem_ctx,
const char *search_filter,
const char *delete_filter);
+struct tevent_req *
+ipa_sudo_rules_refresh_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct ipa_sudo_ctx *sudo_ctx,
+ char **rules);
+
errno_t
ipa_sudo_refresh_recv(struct tevent_req *req,
int *dp_error,
diff --git a/src/providers/ipa/ipa_sudo_async.c b/src/providers/ipa/ipa_sudo_async.c
index 9ddda1b41a0b3c6ceb33e6d665749948ae835a97..cea85cdbfc21598164557b70a7055fd4b786ba8a 100644
--- a/src/providers/ipa/ipa_sudo_async.c
+++ b/src/providers/ipa/ipa_sudo_async.c
@@ -140,6 +140,7 @@ struct ipa_sudo_fetch_state {
struct sdap_options *sdap_opts;
struct ipa_hostinfo *host;
struct sdap_handle *sh;
+ const char *search_filter;
struct sdap_attr_map *map_cmdgroup;
struct sdap_attr_map *map_rule;
@@ -169,7 +170,8 @@ ipa_sudo_fetch_send(TALLOC_CTX *mem_ctx,
struct sdap_attr_map *map_group,
struct sdap_attr_map *map_host,
struct sdap_attr_map *map_hostgroup,
- struct sdap_handle *sh)
+ struct sdap_handle *sh,
+ const char *search_filter)
{
struct ipa_sudo_fetch_state *state = NULL;
struct tevent_req *req = NULL;
@@ -188,6 +190,7 @@ ipa_sudo_fetch_send(TALLOC_CTX *mem_ctx,
state->sdap_opts = sudo_ctx->sdap_opts;
state->host = host;
state->sh = sh;
+ state->search_filter = search_filter == NULL ? "" : search_filter;
state->map_cmdgroup = sudo_ctx->sudocmdgroup_map;
state->map_rule = sudo_ctx->sudorule_map;
@@ -241,10 +244,10 @@ ipa_sudo_fetch_rules(struct tevent_req *req)
return ENOMEM;
}
- filter = talloc_asprintf(state, "(&(objectClass=%s)(%s=TRUE)%s)",
+ filter = talloc_asprintf(state, "(&(objectClass=%s)(%s=TRUE)%s%s)",
map[IPA_OC_SUDORULE].name,
map[IPA_AT_SUDORULE_ENABLED].name,
- host_filter);
+ host_filter, state->search_filter);
talloc_zfree(host_filter);
if (filter == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Unable to build filter\n");
@@ -678,7 +681,8 @@ ipa_sudo_refresh_host_done(struct tevent_req *subreq)
state->sdap_opts->user_map,
state->sdap_opts->group_map,
state->ipa_opts->host_map,
- state->ipa_opts->hostgroup_map, state->sh);
+ state->ipa_opts->hostgroup_map, state->sh,
+ state->search_filter);
if (subreq == NULL) {
state->dp_error = DP_ERR_FATAL;
tevent_req_error(req, ENOMEM);
diff --git a/src/providers/ipa/ipa_sudo_conversion.c b/src/providers/ipa/ipa_sudo_conversion.c
index 2f28f837e62b42406ddda25b3f63832c1abb950d..195e40f248e15756a224335208276f6f7a646cd0 100644
--- a/src/providers/ipa/ipa_sudo_conversion.c
+++ b/src/providers/ipa/ipa_sudo_conversion.c
@@ -1124,7 +1124,7 @@ ipa_sudo_conv_result(TALLOC_CTX *mem_ctx,
}
if (ctx.ret != EOK) {
- DEBUG(SSSDBG_CRIT_FAILURE, "Unable to expand command grousp "
+ DEBUG(SSSDBG_CRIT_FAILURE, "Unable to expand command groups "
"[%d]: %s\n", ctx.ret, sss_strerror(ctx.ret));
return ctx.ret;
}
diff --git a/src/providers/ipa/ipa_sudo_refresh.c b/src/providers/ipa/ipa_sudo_refresh.c
index 6fb8f66af607440ddcbb266c0b049ed99bf235b9..f1b99c0de96dd2226eb3181ce44e54c019139c6e 100644
--- a/src/providers/ipa/ipa_sudo_refresh.c
+++ b/src/providers/ipa/ipa_sudo_refresh.c
@@ -141,6 +141,161 @@ ipa_sudo_full_refresh_recv(struct tevent_req *req,
return EOK;
}
+struct ipa_sudo_rules_refresh_state {
+ size_t num_rules;
+ int dp_error;
+ bool deleted;
+};
+
+static void ipa_sudo_rules_refresh_done(struct tevent_req *subreq);
+
+struct tevent_req *
+ipa_sudo_rules_refresh_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct ipa_sudo_ctx *sudo_ctx,
+ char **rules)
+{
+ TALLOC_CTX *tmp_ctx;
+ struct ipa_sudo_rules_refresh_state *state;
+ struct tevent_req *subreq;
+ struct tevent_req *req;
+ char *search_filter;
+ char *delete_filter;
+ char *safe_rule;
+ errno_t ret;
+ int i;
+
+ req = tevent_req_create(mem_ctx, &state, struct ipa_sudo_rules_refresh_state);
+ if (req == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "tevent_req_create() failed\n");
+ return NULL;
+ }
+
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "talloc_new() failed\n");
+ ret = ENOMEM;
+ goto immediately;
+ }
+
+ if (rules == NULL || rules[0] == NULL) {
+ state->dp_error = DP_ERR_OK;
+ state->num_rules = 0;
+ state->deleted = false;
+ ret = EOK;
+ goto immediately;
+ }
+
+ search_filter = talloc_zero(tmp_ctx, char); /* assign to tmp_ctx */
+ delete_filter = talloc_zero(tmp_ctx, char); /* assign to tmp_ctx */
+
+ /* Download only selected rules from LDAP. */
+ /* Remove all selected rules from cache. */
+ for (i = 0; rules[i] != NULL; i++) {
+ ret = sss_filter_sanitize(tmp_ctx, rules[i], &safe_rule);
+ if (ret != EOK) {
+ ret = ENOMEM;
+ goto immediately;
+ }
+
+ search_filter = talloc_asprintf_append_buffer(search_filter, "(%s=%s)",
+ sudo_ctx->sudorule_map[IPA_AT_SUDORULE_NAME].name,
+ safe_rule);
+ if (search_filter == NULL) {
+ ret = ENOMEM;
+ goto immediately;
+ }
+
+ delete_filter = talloc_asprintf_append_buffer(delete_filter, "(%s=%s)",
+ SYSDB_NAME, safe_rule);
+ if (delete_filter == NULL) {
+ ret = ENOMEM;
+ goto immediately;
+ }
+ }
+
+ state->num_rules = i;
+
+ search_filter = talloc_asprintf(tmp_ctx, "(|%s)", search_filter);
+ if (search_filter == NULL) {
+ ret = ENOMEM;
+ goto immediately;
+ }
+
+ delete_filter = talloc_asprintf(tmp_ctx, "(&(%s=%s)(|%s))",
+ SYSDB_OBJECTCLASS, SYSDB_SUDO_CACHE_OC,
+ delete_filter);
+ if (delete_filter == NULL) {
+ ret = ENOMEM;
+ goto immediately;
+ }
+
+ subreq = ipa_sudo_refresh_send(req, ev, sudo_ctx, search_filter,
+ delete_filter);
+ if (subreq == NULL) {
+ ret = ENOMEM;
+ goto immediately;
+ }
+
+ tevent_req_set_callback(subreq, ipa_sudo_rules_refresh_done, req);
+
+ ret = EOK;
+
+immediately:
+ talloc_free(tmp_ctx);
+
+ if (ret != EOK) {
+ tevent_req_error(req, ret);
+ tevent_req_post(req, ev);
+ }
+
+ return req;
+}
+
+static void
+ipa_sudo_rules_refresh_done(struct tevent_req *subreq)
+{
+ struct ipa_sudo_rules_refresh_state *state;
+ struct tevent_req *req = NULL;
+ size_t downloaded_rules_num;
+ int ret;
+
+ req = tevent_req_callback_data(subreq, struct tevent_req);
+ state = tevent_req_data(req, struct ipa_sudo_rules_refresh_state);
+
+ ret = ipa_sudo_refresh_recv(subreq, &state->dp_error, &downloaded_rules_num);
+ talloc_zfree(subreq);
+ if (ret != EOK || state->dp_error != DP_ERR_OK) {
+ goto done;
+ }
+
+ state->deleted = downloaded_rules_num != state->num_rules ? true : false;
+
+done:
+ if (ret != EOK) {
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ tevent_req_done(req);
+}
+
+int
+ipa_sudo_rules_refresh_recv(struct tevent_req *req,
+ int *dp_error,
+ bool *deleted)
+{
+ struct ipa_sudo_rules_refresh_state *state;
+ state = tevent_req_data(req, struct ipa_sudo_rules_refresh_state);
+
+ TEVENT_REQ_RETURN_ON_ERROR(req);
+
+ *dp_error = state->dp_error;
+ *deleted = state->deleted;
+
+ return EOK;
+}
+
static struct tevent_req *
ipa_sudo_ptask_full_refresh_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
--
2.5.0
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