rest: add /client/update

Add POST client/update request to update client, this is identified by its ip
address, with the data provided in the payload.

src/rest.c

@@ -1722,6 +1722,119 @@ static int og_cmd_get_client_info(json_t *element,
 	return 0;
 }
 
+static int og_cmd_post_client_update(json_t *element,
+				     struct og_msg_params *params,
+				     char *buffer_reply)
+{
+	struct og_computer computer = {};
+	const char *key, *msglog;
+	struct og_dbi *dbi;
+	dbi_result result;
+	json_t *value;
+	int err = 0;
+
+	json_object_foreach(element, key, value) {
+		if (!strcmp(key, "ip")) {
+			err = og_json_parse_string_copy(value,
+							computer.ip,
+							sizeof(computer.ip));
+			params->flags |= OG_REST_PARAM_ADDR;
+		} else if (!strcmp(key, "serial_number")) {
+			err = og_json_parse_string_copy(value,
+							computer.serial_number,
+							sizeof(computer.serial_number));
+		} else if (!strcmp(key, "netdriver")) {
+			err = og_json_parse_string_copy(value,
+							computer.netdriver,
+							sizeof(computer.netdriver));
+		} else if (!strcmp(key, "maintenance")) {
+			err = og_json_parse_bool(value, &computer.maintenance);
+		} else if (!strcmp(key, "netiface")) {
+			err = og_json_parse_string_copy(value,
+							computer.netiface,
+							sizeof(computer.netiface));
+		} else if (!strcmp(key, "repo_id")) {
+			err = og_json_parse_uint(value, &computer.repo_id);
+		} else if (!strcmp(key, "netmask")) {
+			err = og_json_parse_string_copy(value,
+							computer.netmask,
+							sizeof(computer.netmask));
+		} else if (!strcmp(key, "remote")) {
+			err = og_json_parse_bool(value, &computer.remote);
+		} else if (!strcmp(key, "room")) {
+			err = og_json_parse_uint(value, &computer.room);
+		} else if (!strcmp(key, "name")) {
+			err = og_json_parse_string_copy(value,
+							computer.name,
+							sizeof(computer.name));
+		} else if (!strcmp(key, "mac")) {
+			err = og_json_parse_string_copy(value,
+							computer.mac,
+							sizeof(computer.mac));
+		}
+
+		if (err < 0)
+			return err;
+	}
+	if (!og_msg_params_validate(params, OG_REST_PARAM_ADDR))
+		return -1;
+
+	dbi = og_dbi_open(&ogconfig.db);
+	if (!dbi) {
+		syslog(LOG_ERR, "cannot open conection database (%s:%d)\n",
+		       __func__, __LINE__);
+		return -1;
+	}
+
+	result = dbi_conn_queryf(dbi->conn,
+			 "SELECT ip FROM ordenadores WHERE ip='%s'",
+			 computer.ip);
+	if (!result) {
+		dbi_conn_error(dbi->conn, &msglog);
+		syslog(LOG_ERR, "failed to query database (%s:%d) %s\n",
+		       __func__, __LINE__, msglog);
+		og_dbi_close(dbi);
+		return -1;
+	}
+	if (dbi_result_get_numrows(result) == 0) {
+		syslog(LOG_ERR, "client with that IP does not exist: %s\n",
+		       computer.ip);
+		dbi_result_free(result);
+		og_dbi_close(dbi);
+		return -1;
+	}
+	result = dbi_conn_queryf(dbi->conn,
+				 "UPDATE ordenadores"
+				 " SET numserie='%s',"
+				 "  netdriver='%s',"
+				 "  maintenance=%u,"
+				 "  netiface='%s',"
+				 "  idrepositorio=%u,"
+				 "  mascara='%s',"
+				 "  inremotepc=%u,"
+				 "  idaula=%u,"
+				 "  nombreordenador='%s',"
+				 "  mac='%s'"
+				 " WHERE ip='%s';",
+				computer.serial_number,
+				computer.netdriver, computer.maintenance,
+				computer.netiface, computer.repo_id,
+				computer.netmask, computer.remote,
+				computer.room, computer.name,
+				computer.mac, computer.ip);
+	if (!result) {
+		dbi_conn_error(dbi->conn, &msglog);
+		syslog(LOG_ERR, "failed to update client in database (%s:%d) %s\n",
+		       __func__, __LINE__, msglog);
+		og_dbi_close(dbi);
+		return -1;
+	}
+
+	dbi_result_free(result);
+	og_dbi_close(dbi);
+	return 0;
+}
+
 static int og_cmd_post_client_add(json_t *element,
 				  struct og_msg_params *params,
 				  char *buffer_reply)
@@ -6424,6 +6537,20 @@ int og_client_state_process_payload_rest(struct og_client *cli)
 		}
 
 		err = og_cmd_post_client_add(root, &params, buf_reply);
+	} else if (!strncmp(cmd, "client/update", strlen("client/update"))) {
+		if (method != OG_METHOD_POST) {
+			err = og_client_method_not_found(cli);
+			goto err_process_rest_payload;
+		}
+
+		if (!root) {
+			syslog(LOG_ERR,
+			       "command client info with no payload\n");
+			err = og_client_bad_request(cli);
+			goto err_process_rest_payload;
+		}
+
+		err = og_cmd_post_client_update(root, &params, buf_reply);
 	} else if (!strncmp(cmd, "client/delete", strlen("client/delete"))) {
 		if (method != OG_METHOD_POST) {
 			err = og_client_method_not_found(cli);