/**
* @file fastcgi.c
* @purpose Runs the FCGI request loop to handle web interface requests.
- *
+ *
* fcgi_stdio.h must be included before all else so the stdio function
* redirection works ok.
*/
-
+
#include <fcgi_stdio.h>
+#include <openssl/sha.h>
#include "fastcgi.h"
-//#include "common.h"
+#include "common.h"
+#include <time.h>
+
+static void LoginHandler(void *data, char *params) {
+ static char loginkey[41] = {0}, ip[256];
+ static time_t timestamp = 0;
+ const char *key, *value;
+ int force = 0, end = 0;
+
+ while ((params = FCGI_KeyPair(params, &key, &value))) {
+ if (!strcmp(key, "force"))
+ force = !force;
+ else if (!strcmp(key, "end"))
+ end = !end;
+ }
+
+ if (end) {
+ *loginkey = 0;
+ FCGI_BeginJSON(200, "login");
+ FCGI_EndJSON();
+ return;
+ }
+
+ time_t now = time(NULL);
+ if (force || !*loginkey || (now - timestamp > 180)) {
+ SHA_CTX sha1ctx;
+ unsigned char sha1[20];
+ int i = rand();
+
+ SHA1_Init(&sha1ctx);
+ SHA1_Update(&sha1ctx, &now, sizeof(now));
+ SHA1_Update(&sha1ctx, &i, sizeof(i));
+ SHA1_Final(sha1, &sha1ctx);
+
+ timestamp = now;
+ for (i = 0; i < 20; i++)
+ sprintf(loginkey+i*2, "%02x", sha1[i]);
+ sprintf(ip, "%s", getenv("REMOTE_ADDR"));
+ FCGI_BeginJSON(200, "login");
+ FCGI_BuildJSON("key", loginkey);
+ FCGI_EndJSON();
+ } else {
+ char buf[128];
+ strftime(buf, 128, "%H:%M:%S %d-%m-%Y",localtime(×tamp));
+ FCGI_BeginJSON(401, "login");
+ FCGI_BuildJSON("description", "Already logged in");
+ FCGI_BuildJSON("user", ip);
+ FCGI_BuildJSON("time", buf);
+ FCGI_EndJSON();
+ }
+}
/**
* Extracts a key/value pair from a request string.
if (!strcmp("sensors", module)) {
- //module_handler = Handler_Sensors;
+ module_handler = Handler_Sensors;
+ } else if (!strcmp("login", module)) {
+ module_handler = LoginHandler;
} else if (!strcmp("actuators", module)) {
}
FCGI_BuildJSON("request-number", buf);
FCGI_BuildJSON("params", params);
FCGI_BuildJSON("host", getenv("SERVER_HOSTNAME"));
+ FCGI_BuildJSON("user", getenv("REMOTE_USER"));
+ FCGI_BuildJSON("userip", getenv("REMOTE_ADDR"));
FCGI_EndJSON();
}