From bed4b90c91037dc4727303b241321c9af03b757a Mon Sep 17 00:00:00 2001
From: "@syxhe" <https://t.me/syxhe>
Date: Tue, 3 Sep 2024 01:28:19 -0500
Subject: Consolidate encryption and decryption function

---
 src/encryption.c | 49 ++++++++++++++++++++++++++++++-------------------
 1 file changed, 30 insertions(+), 19 deletions(-)

(limited to 'src/encryption.c')

diff --git a/src/encryption.c b/src/encryption.c
index 8b0055c..8cccca8 100644
--- a/src/encryption.c
+++ b/src/encryption.c
@@ -9,6 +9,7 @@
 
 #include "encryption.h"
 #include "ll.h"
+#include "VX-GAMBLEGROUND.h"
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -202,47 +203,57 @@ int rename_format(const char *fullpath, const char *format, ...) {
 }
 
 
-
-int encryptvxgg(const struct nodelist *list, const char *passphrase) {
+int ENorDE_cryptvxgg(const struct nodelist *list, const char *passphrase, int flag) {
     int fd = -1;
-
     regex_t encext;
     regcomp(&encext, "(.+\\.vxgg)$", REG_EXTENDED | REG_ICASE | REG_NEWLINE);
 
-    // Encrypt everything
     for(const struct nodelist *p = list; p != NULL; p = p->next) {
-        if(p->fullpath == NULL) // Make sure I don't accidentally do anything with that last element
+        if(p->fullpath == NULL)
             continue;
-        if(regexec(&encext, p->fullpath, 0, NULL, 0) != REG_NOMATCH) // Don't encrypt already encrypted files
+        if(regexec(&encext, p->fullpath, 0, NULL, 0) != REG_NOMATCH && flag == VXGG_ENCRYPT) // Don't encrypt already encrypted files
+            continue;
+        if(regexec(&encext, p->fullpath, 0, NULL, 0) == REG_NOMATCH && flag == VXGG_DECRYPT) // Skip non-matching files
             continue;
 
         fd = open(p->fullpath, O_RDWR);
         if(fd < 0) {
             #ifdef TESTING
-                error(0, errno, "<encryptvxgg> Could not open \"%s\" for encryption", p->fullpath);
+                error(0, 0, "<decryptvxgg> Couldn't open \"%s\" for %s", p->fullpath, (flag == VXGG_ENCRYPT) ? "encryption" : "decryption");
             #endif
             continue;
         }
-
         passencblock(fd, passphrase);
         close(fd);
-        #ifndef TESTING
-            rename_format(p->fullpath, "%s.vxgg", p->fullpath);
-        #else
-            rename_format(p->fullpath, "%s_%s.vxgg", p->fullpath, passphrase);
-        #endif
+
+        if(flag == VXGG_ENCRYPT) {
+            #ifndef TESTING
+                rename_format(p->fullpath, "%s.vxgg", p->fullpath);
+            #else
+                rename_format(p->fullpath, "%s_%s.vxgg", p->fullpath, passphrase);
+            #endif
+        }
+
+        if(flag == VXGG_DECRYPT) {
+            char *newname = NULL;
+            #ifndef TESTING
+                asprintf(&newname, "%%0.%lds", strlen(p->fullpath) - strlen(".vxgg"));
+            #else
+                asprintf(&newname, "%%0.%lds", strlen(p->fullpath) - strlen(".vxgg") - PHRASESIZE - 1);
+            #endif
+            rename_format(p->fullpath, newname, p->fullpath);
+            free(newname);
+        }
 
     }
 
+    /* The beauty of my shitty encryption function is that it's reversible by just running it again with the 
+    // same password. Most of this function is just picking the right files to operate on and deciding how to 
+    // rename them */
+    
     return 0;
 }
 
-// int decryptvxgg(const struct nodelist *list, const char *passphrase) {
-    
-    
-//     return 0;
-// }
-
 /*
 int main() {
     int fd = open("test.txt", O_RDWR);
-- 
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