#915: Return 400 status code in POST methods when no payload is attached

If no payload is attached to method that requires a payload, then the API
returns a 400 status code (following RFC 7231) instead of the previous 404.

test_0001_get_clients.py is also modified to fit the new status code.

2 files changed, 21 insertions, 12 deletions

diff --git a/sources/ogAdmServer.cpp b/sources/ogAdmServer.cpp
index 357bf01..6401fe1 100644
--- a/sources/ogAdmServer.cpp
+++ b/sources/ogAdmServer.cpp
@@ -3933,6 +3933,15 @@ static int og_client_method_not_found(struct og_client *cli)
 	return -1;
 }
 
+static int og_client_bad_request(struct og_client *cli)
+{
+	char buf[] = "HTTP/1.1 400 Bad Request\r\nContent-Length: 0\r\n\r\n";
+
+	send(og_client_socket(cli), buf, strlen(buf), 0);
+
+	return -1;
+}
+
 static int og_client_not_found(struct og_client *cli)
 {
 	char buf[] = "HTTP/1.1 404 Not Found\r\nContent-Length: 0\r\n\r\n";
@@ -4032,7 +4041,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (method == OG_METHOD_POST && !root) {
 			syslog(LOG_ERR, "command clients with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		switch (method) {
 		case OG_METHOD_POST:
@@ -4048,7 +4057,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command wol with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		err = og_cmd_wol(root, &params);
 	} else if (!strncmp(cmd, "shell/run", strlen("shell/run"))) {
@@ -4057,7 +4066,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command run with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		err = og_cmd_run_post(root, &params);
 	} else if (!strncmp(cmd, "shell/output", strlen("shell/output"))) {
@@ -4066,7 +4075,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command output with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 
 		err = og_cmd_run_get(root, &params, buf_reply);
@@ -4076,7 +4085,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command session with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		err = og_cmd_session(root, &params);
 	} else if (!strncmp(cmd, "poweroff", strlen("poweroff"))) {
@@ -4085,7 +4094,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command poweroff with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		err = og_cmd_poweroff(root, &params);
 	} else if (!strncmp(cmd, "reboot", strlen("reboot"))) {
@@ -4094,7 +4103,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command reboot with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		err = og_cmd_reboot(root, &params);
 	} else if (!strncmp(cmd, "stop", strlen("stop"))) {
@@ -4103,7 +4112,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command stop with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		err = og_cmd_stop(root, &params);
 	} else if (!strncmp(cmd, "refresh", strlen("refresh"))) {
@@ -4112,7 +4121,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command refresh with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		err = og_cmd_refresh(root, &params);
 	} else if (!strncmp(cmd, "hardware", strlen("hardware"))) {
@@ -4121,7 +4130,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command hardware with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		err = og_cmd_hardware(root, &params);
 	} else if (!strncmp(cmd, "software", strlen("software"))) {
@@ -4130,7 +4139,7 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 
 		if (!root) {
 			syslog(LOG_ERR, "command software with no payload\n");
-			return og_client_not_found(cli);
+			return og_client_bad_request(cli);
 		}
 		err = og_cmd_software(root, &params);
 	} else {
diff --git a/tests/units/test_0001_get_clients.py b/tests/units/test_0001_get_clients.py
index 8d52bb8..218b41a 100644
--- a/tests/units/test_0001_get_clients.py
+++ b/tests/units/test_0001_get_clients.py
@@ -13,7 +13,7 @@ class TestGetClientsMethods(unittest.TestCase):
 
     def test_post_without_data(self):
         returned = requests.post(self.url, headers=self.headers)
-        self.assertEqual(returned.status_code, 404)
+        self.assertEqual(returned.status_code, 400)
 
 if __name__ == '__main__':
     unittest.main()