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authorPavel Březina <pbrezina@redhat.com>2012-05-11 14:32:54 +0200
committerStephen Gallagher <sgallagh@redhat.com>2012-06-29 11:37:18 -0400
commit20f82655b3a29cf0784ba5c912927d1ada1287df (patch)
tree970e72344d20e6e456366547beca872d0386e290 /src/responder
parentfc99ea70d735fa4094c450dd52c3503cb23e5f59 (diff)
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sudo responder: schedule OOB full refresh when expired rule is deleted
Diffstat (limited to 'src/responder')
-rw-r--r--src/responder/sudo/sudosrv_get_sudorules.c42
-rw-r--r--src/responder/sudo/sudosrv_private.h2
2 files changed, 40 insertions, 4 deletions
diff --git a/src/responder/sudo/sudosrv_get_sudorules.c b/src/responder/sudo/sudosrv_get_sudorules.c
index c38c4da4..65e475fb 100644
--- a/src/responder/sudo/sudosrv_get_sudorules.c
+++ b/src/responder/sudo/sudosrv_get_sudorules.c
@@ -301,7 +301,8 @@ done:
sudosrv_cmd_done(dctx->cmd_ctx, ret);
}
-static errno_t sudosrv_get_sudorules_from_cache(struct sudo_cmd_ctx *cmd_ctx);
+static errno_t sudosrv_get_sudorules_from_cache(struct sudo_cmd_ctx *cmd_ctx,
+ size_t *_num_rules);
static void
sudosrv_get_sudorules_dp_callback(uint16_t err_maj, uint32_t err_min,
const char *err_msg, void *ptr);
@@ -384,6 +385,7 @@ errno_t sudosrv_get_rules(struct sudo_cmd_ctx *cmd_ctx)
goto done;
}
+ cmd_ctx->expired_rules_num = expired_rules_num;
if (expired_rules_num > 0) {
/* refresh expired rules then continue */
DEBUG(SSSDBG_TRACE_INTERNAL, ("Refreshing expired rules\n"));
@@ -417,7 +419,7 @@ errno_t sudosrv_get_rules(struct sudo_cmd_ctx *cmd_ctx)
} else {
/* nothing is expired return what we have in the cache */
DEBUG(SSSDBG_TRACE_INTERNAL, ("About to get sudo rules from cache\n"));
- ret = sudosrv_get_sudorules_from_cache(cmd_ctx);
+ ret = sudosrv_get_sudorules_from_cache(cmd_ctx, NULL);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE,
("Failed to make a request to our cache [%d]: %s\n",
@@ -451,6 +453,12 @@ sudosrv_dp_req_done(struct tevent_req *req)
dbus_uint32_t err_min;
char *err_msg;
+ if (cb_ctx == NULL) {
+ /* we are not interested in returned values */
+ talloc_free(req);
+ return;
+ }
+
ret = sss_dp_get_sudoers_recv(cb_ctx->mem_ctx, req,
&err_maj, &err_min,
&err_msg);
@@ -469,7 +477,9 @@ sudosrv_get_sudorules_dp_callback(uint16_t err_maj, uint32_t err_min,
const char *err_msg, void *ptr)
{
struct sudo_cmd_ctx *cmd_ctx = talloc_get_type(ptr, struct sudo_cmd_ctx);
+ struct tevent_req *dpreq = NULL;
errno_t ret;
+ size_t num_rules;
if (err_maj) {
DEBUG(SSSDBG_CRIT_FAILURE,
@@ -480,7 +490,7 @@ sudosrv_get_sudorules_dp_callback(uint16_t err_maj, uint32_t err_min,
}
DEBUG(SSSDBG_TRACE_INTERNAL, ("About to get sudo rules from cache\n"));
- ret = sudosrv_get_sudorules_from_cache(cmd_ctx);
+ ret = sudosrv_get_sudorules_from_cache(cmd_ctx, &num_rules);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE,
("Failed to make a request to our cache [%d]: %s\n",
@@ -489,10 +499,30 @@ sudosrv_get_sudorules_dp_callback(uint16_t err_maj, uint32_t err_min,
return;
}
+ if (cmd_ctx->expired_rules_num > 0
+ && err_min == ENOENT) {
+ DEBUG(SSSDBG_TRACE_INTERNAL,
+ ("Some expired rules were removed from the server, "
+ "scheduling full refresh out of band\n"));
+ dpreq = sss_dp_get_sudoers_send(cmd_ctx->cli_ctx->rctx,
+ cmd_ctx->cli_ctx->rctx,
+ cmd_ctx->domain, false,
+ SSS_DP_SUDO_FULL_REFRESH,
+ cmd_ctx->orig_username,
+ 0, NULL);
+ if (dpreq == NULL) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Cannot issue DP request.\n"));
+ } else {
+ tevent_req_set_callback(dpreq, sudosrv_dp_req_done, NULL);
+ }
+ }
+
sudosrv_cmd_done(cmd_ctx, ret);
}
-static errno_t sudosrv_get_sudorules_from_cache(struct sudo_cmd_ctx *cmd_ctx)
+static errno_t sudosrv_get_sudorules_from_cache(struct sudo_cmd_ctx *cmd_ctx,
+ size_t *_num_rules)
{
TALLOC_CTX *tmp_ctx;
errno_t ret;
@@ -564,6 +594,10 @@ static errno_t sudosrv_get_sudorules_from_cache(struct sudo_cmd_ctx *cmd_ctx)
DEBUG(SSSDBG_TRACE_FUNC, ("Returning rules for [%s@%s]\n",
debug_name, cmd_ctx->domain->name));
+ if (_num_rules != NULL) {
+ *_num_rules = cmd_ctx->num_rules;
+ }
+
ret = EOK;
done:
talloc_free(tmp_ctx);
diff --git a/src/responder/sudo/sudosrv_private.h b/src/responder/sudo/sudosrv_private.h
index d2d92c14..55ea1383 100644
--- a/src/responder/sudo/sudosrv_private.h
+++ b/src/responder/sudo/sudosrv_private.h
@@ -64,6 +64,8 @@ struct sudo_cmd_ctx {
struct sss_domain_info *domain;
bool check_next;
+ size_t expired_rules_num;
+
/* output data */
struct sysdb_attrs **rules;
size_t num_rules;