[ADD/MOD] CFLAGS/LDFLAGS and version checks

src/Main.c

@@ -211,6 +211,10 @@ Main(Array *args, HashMap *env)
     conf.maxConnections = conf.threads << 2;
     conf.handlerArgs = ParseeInitData(jabber);
     conf.handler = ParseeRequest;
+    if (!conf.handlerArgs)
+    {
+        goto end;
+    }
 
     Log(LOG_DEBUG, "Verbosity level: %d", verbose);
     ((ParseeData *) conf.handlerArgs)->verbosity = verbose;

src/Parsee/Data.c

@@ -14,6 +14,7 @@
 ParseeData *
 ParseeInitData(XMPPComponent *comp)
 {
+    char *version;
     ParseeData *data;
     DbRef *ref;
     if (!ParseeConfigGet())
@@ -37,7 +38,10 @@ ParseeInitData(XMPPComponent *comp)
     if (!data->db)
     {
         Log(LOG_WARNING, "LMDB doesn't seem to be setup.");
-        Log(LOG_WARNING, "Falling back to flat-file.");
+        if (data->config->db_size)
+        {
+            Log(LOG_WARNING, "Falling back to flat-file.");
+        }
         data->db = DbOpen(data->config->db_path, 0);
     }
 
@@ -49,6 +53,27 @@ ParseeInitData(XMPPComponent *comp)
         Free(id);
     }
 
+    version = GrabString(DbJson(ref), 1, "version");
+    if (!ParseeIsCompatible(VERSION, version))
+    {
+        Log(LOG_WARNING, "Version mismatch(curr=%s db=%s).", VERSION, version);
+        Log(LOG_WARNING, "Yeah. You may want to _not_ do that.");
+
+        DbUnlock(data->db, ref);
+        DbClose(data->db);
+
+        HashMapFree(data->oid_servers);
+        pthread_mutex_destroy(&data->oidl);
+
+        XMPPEndCompStream(data->jabber);
+
+        HttpRouterFree(data->router);
+        CommandFreeRouter(data->handler);
+
+        Free(data);
+        return NULL;
+    }
+
     data->id = StrDuplicate(GrabString(DbJson(ref), 1, "identifier"));
     DbUnlock(data->db, ref);
 

src/Parsee/Versions.c

@@ -0,0 +1,53 @@
+#include <Parsee.h>
+
+#include <Cytoplasm/Memory.h>
+#include <Cytoplasm/Str.h>
+
+bool
+ParseeIsCompatible(char *ver1, char *ver2)
+{
+    char *major1 = NULL;
+    char *major2 = NULL;
+    char *tmp;
+    if (!ver1 || !ver2)
+    {
+        return false;
+    }
+
+    /* Check if one of them is a "flipped"(joke) version. If so,
+     * then the user should definitely NOT try funny things with
+     * their data. */
+    if (*ver1 == '-' || *ver2 == '-')
+    {
+        return false;
+    }
+
+#define GetMajor(v) do \
+    { \
+        while (*ver##v != '.') \
+        { \
+            char cb[2]; \
+            cb[0] = *ver##v; \
+            cb[1] = '\0'; \
+            tmp = major##v; \
+            major##v = StrConcat(2, major##v, cb); \
+            Free(tmp); \
+            ver##v++; \
+        } \
+    } \
+    while (0)
+
+    GetMajor(1);
+    GetMajor(2);
+
+    if (!StrEquals(major1, major2))
+    {
+        Free(major1);
+        Free(major2);
+        return false;
+    }
+
+    Free(major1);
+    Free(major2);
+    return true;
+}

src/XMPPThread/Stanzas/Message.c

@@ -303,9 +303,9 @@ end_error:
                             args->config, mroom_id, encoded, 
                             "m.room.message", content
                         );
-                        Free(mime);
                         Free(mxc);
                     }
+                    Free(mime);
                 }
             }
             else if (reactions)

src/include/Parsee.h

@@ -110,6 +110,12 @@ extern const char *parsee_ascii[PARSEE_ASCII_LINES];
  * Modifies: the logger output */
 extern void ParseePrintASCII(void);
 
+/**
+ * Checks if two versions of Parsee can be considered "compatible".
+ * ---------------
+ * Modifies: NOTHING */
+extern bool ParseeIsCompatible(char *ver1, char *ver2);
+
 /** Generates a valid, getopt-style argument list from a end-terminated 
  * argument list.
  * ------------