#915 add run command to REST API in ogAdmServer

Run command on client (through POST method):

	curl -X POST http://127.0.0.1:8888/shell/run -d @post_run.json

Request
	POST /shell/run
	{"clients": [ "192.168.2.1", "192.168.2.2" ], "run" : "ls" }
Reply:
	200 OK

1 files changed, 75 insertions, 0 deletions

diff --git a/sources/ogAdmServer.cpp b/sources/ogAdmServer.cpp
index a83a47d..0ad4d84 100644
--- a/sources/ogAdmServer.cpp
+++ b/sources/ogAdmServer.cpp
@@ -3630,6 +3630,7 @@ struct og_msg_params {
 	const char	*mac_array[64];
 	unsigned int	ips_array_len;
 	const char	*wol_type;
+	char		run_cmd[4096];
 };
 
 static int og_json_parse_clients(json_t *element, struct og_msg_params *params)
@@ -3856,6 +3857,71 @@ static int og_cmd_wol(json_t *element, struct og_msg_params *params)
 	return 0;
 }
 
+static int og_json_parse_run(json_t *element, struct og_msg_params *params)
+{
+	if (json_typeof(element) != JSON_STRING)
+		return -1;
+
+	snprintf(params->run_cmd, sizeof(params->run_cmd), "%s",
+		 json_string_value(element));
+
+	return 0;
+}
+
+static int og_cmd_run_post(json_t *element, struct og_msg_params *params)
+{
+	char buf[4096] = {}, iph[4096] = {};
+	int err = 0, len;
+	const char *key;
+	unsigned int i;
+	json_t *value;
+	TRAMA *msg;
+
+	if (json_typeof(element) != JSON_OBJECT)
+		return -1;
+
+	json_object_foreach(element, key, value) {
+		if (!strcmp(key, "clients"))
+			err = og_json_parse_clients(value, params);
+		if (!strcmp(key, "run"))
+			err = og_json_parse_run(value, params);
+
+		if (err < 0)
+			break;
+	}
+
+	for (i = 0; i < params->ips_array_len; i++) {
+		len = snprintf(iph + strlen(iph), sizeof(iph), "%s;",
+			       params->ips_array[i]);
+	}
+	len = snprintf(buf, sizeof(buf), "nfn=ConsolaRemota\riph=%s\rscp=%s\r",
+		       iph, params->run_cmd);
+
+	msg = og_msg_alloc(buf, len);
+	if (!msg)
+		return -1;
+
+	if (!og_send_cmd((char **)params->ips_array, params->ips_array_len,
+			 CLIENTE_OCUPADO, msg))
+		err = -1;
+
+	og_msg_free(msg);
+
+	if (err < 0)
+		return err;
+
+	for (i = 0; i < params->ips_array_len; i++) {
+		char filename[4096];
+		FILE *f;
+
+		sprintf(filename, "/tmp/_Seconsola_%s", params->ips_array[i]);
+		f = fopen(filename, "wt");
+		fclose(f);
+	}
+
+	return 0;
+}
+
 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";
@@ -3943,6 +4009,15 @@ static int og_client_state_process_payload_rest(struct og_client *cli)
 			return og_client_not_found(cli);
 		}
 		err = og_cmd_wol(root, &params);
+	} else if (!strncmp(cmd, "shell/run", strlen("shell/run"))) {
+		if (method != OG_METHOD_POST)
+			return -1;
+
+		if (!root) {
+			syslog(LOG_ERR, "command run with no payload\n");
+			return og_client_not_found(cli);
+		}
+		err = og_cmd_run_post(root, &params);
 	} else {
 		syslog(LOG_ERR, "unknown command %s\n", cmd);
 		err = og_client_not_found(cli);