Add initial support to connect nss to the data provider as a frontend

3 files changed, 65 insertions, 0 deletions

diff --git a/server/nss/nsssrv.c b/server/nss/nsssrv.c
index e42efacf..bd9202bd 100644
--- a/server/nss/nsssrv.c
+++ b/server/nss/nsssrv.c
@@ -40,6 +40,7 @@
 #include "sbus_interfaces.h"
 #include "util/btreemap.h"
 #include "util/service_helpers.h"
+#include "providers/data_provider.h"
 
 #define SSS_NSS_PIPE_NAME "nss"
 
@@ -403,6 +404,12 @@ int nss_process_init(TALLOC_CTX *mem_ctx,
         return ret;
     }
 
+    ret = nss_cmd_init(nctx);
+    if (ret != EOK) {
+        DEBUG(0, ("fatal error setting up backend connector\n"));
+        return ret;
+    }
+
     ret = nss_ldb_init(nctx, ev, cdb, &nctx->lctx);
     if (ret != EOK) {
         DEBUG(0, ("fatal error initializing nss_ctx\n"));
diff --git a/server/nss/nsssrv.h b/server/nss/nsssrv.h
index e032ae85..223066f3 100644
--- a/server/nss/nsssrv.h
+++ b/server/nss/nsssrv.h
@@ -80,6 +80,7 @@ void nss_packet_get_body(struct nss_packet *packet, uint8_t **body, size_t *blen
 void nss_packet_set_error(struct nss_packet *packet, int error);
 
 /* from nsssrv_cmd.c */
+int nss_cmd_init(struct nss_ctx *nctx);
 int nss_cmd_execute(struct cli_ctx *cctx);
 
 #endif /* __NSSSRV_H__ */
diff --git a/server/nss/nsssrv_cmd.c b/server/nss/nsssrv_cmd.c
index f688b283..a345c3a3 100644
--- a/server/nss/nsssrv_cmd.c
+++ b/server/nss/nsssrv_cmd.c
@@ -24,6 +24,7 @@
 #include "util/util.h"
 #include "nss/nsssrv.h"
 #include "nss/nsssrv_ldb.h"
+#include "providers/data_provider.h"
 
 struct nss_cmd_ctx {
     struct cli_ctx *cctx;
@@ -207,6 +208,12 @@ done:
     return EOK;
 }
 
+static int nss_dispatch_getpwnam(struct cli_ctx *cctx)
+{
+
+    return EOK;
+}
+
 static int nss_cmd_getpwnam(struct cli_ctx *cctx)
 {
     struct nss_cmd_ctx *nctx;
@@ -999,3 +1006,53 @@ int nss_cmd_execute(struct cli_ctx *cctx)
 
     return EINVAL;
 }
+
+static int cmd_identity(DBusMessage *message, void *data, DBusMessage **r)
+{
+    dbus_uint16_t version = DATA_PROVIDER_VERSION;
+    dbus_uint16_t clitype = DP_CLI_FRONTEND;
+    const char *cliname = "NSS";
+    const char *nullname = "";
+    DBusMessage *reply;
+    dbus_bool_t ret;
+
+    DEBUG(4,("Sending ID reply: (%d,%d,%s)\n",
+             clitype, version, cliname));
+
+    reply = dbus_message_new_method_return(message);
+    ret = dbus_message_append_args(reply,
+                                   DBUS_TYPE_UINT16, &clitype,
+                                   DBUS_TYPE_UINT16, &version,
+                                   DBUS_TYPE_STRING, &cliname,
+                                   DBUS_TYPE_STRING, &nullname,
+                                   DBUS_TYPE_INVALID);
+    if (!ret) {
+        return EIO;
+    }
+
+    *r = reply;
+    return EOK;
+}
+
+struct sbus_method nss_dp_methods[] = {
+    { DP_CLI_METHOD_IDENTITY, cmd_identity },
+    { NULL, NULL }
+};
+
+int nss_cmd_init(struct nss_ctx *nctx)
+{
+    int ret;
+
+    /* Set up SBUS connection to the data provider */
+    ret = dp_sbus_cli_init(nctx, nctx->ev, nctx->cdb,
+                           nss_dp_methods, &nctx->dp_ctx);
+    if (ret != EOK) {
+        return ret;
+    }
+
+    /* attach context to the connection */
+    sbus_conn_set_private_data(nctx->dp_ctx->scon_ctx, nctx);
+
+    return EOK;
+}
+