Changeset 477Tweet

Timestamp:

Apr 27, 2005, 10:54:33 AM (16 years ago)

Author:

Sam Hocevar

Message:

• crack ourcolony captchas (in the scode decoder)
• started work on livejournal captchas.

Location:

pwntcha/trunk/src

Files:

• Makefile.am (modified) (1 diff)
• common.h (modified) (1 diff)
• livejournal.c (added)
• main.c (modified) (2 diffs)
• scode.c (modified) (1 diff)

pwntcha/trunk/src/Makefile.am

@@ -11 +11 @@
     clubic.c \
     linuxfr.c \
+    livejournal.c \
     lmt.c \
     paypal.c \

pwntcha/trunk/src/common.h

@@ -42 +42 @@
 char *decode_clubic(struct image *img);
 char *decode_linuxfr(struct image *img);
+char *decode_livejournal(struct image *img);
 char *decode_paypal(struct image *img);
 char *decode_phpbb(struct image *img);

pwntcha/trunk/src/main.c

@@ -139 +139 @@
         else if(!strcmp(mode, "linuxfr"))
             result = decode_linuxfr(img);
+        else if(!strcmp(mode, "livejournal"))
+            result = decode_livejournal(img);
         else if(!strcmp(mode, "lmt"))
             result = decode_lmt(img);
@@ -160 +162 @@
                 result = decode_authimage(img);
             }
+            else if(img->width == 175 && img->height == 35)
+            {
+                dprintf("autodetected livejournal captcha\n");
+                result = decode_livejournal(img);
+            }
             else if(img->width == 100 && img->height == 40 && count < 6)
             {

pwntcha/trunk/src/scode.c

@@ -203 +203 @@
         case 170: return '9';
 #endif
+        /* ourcolony font */
+        case 4020: return '0';
+        case 1970: return '1';
+        case 4627: return '2';
+        case 4410: return '3';
+        case 4468: return '4';
+        case 4329: return '5';
+        case 4910: return '6';
+        case 2378: return '7';
+        case 5375: return '8';
+        case 4710: return '9';
         default:
             dprintf("don't know about checksum %i\n", count);