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/*
* Routines for generating a page of mangled unicode.
*
* Inspiration:
* http://www.cl.cam.ac.uk/~mgk25/ucs/examples/quickbrown.txt
* http://www.columbia.edu/~fdc/utf8/
* http://www.cl.cam.ac.uk/~mgk25/unicode.html
* http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
* http://stackoverflow.com/questions/1319022/really-good-bad-utf-8-example-test-data
* http://www.twitter.com/glitchr
*
* Lots more to do here, but this is a start.
*/
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "arch.h"
#include "sanitise.h"
void gen_unicode_page(char *page)
{
unsigned int i = 0, j, l;
unsigned int unilen;
const char unicode1[4] = { 0xb8, 0xe0, 0xe0, 0xaa };
const char unicode2[6] = { 0x89, 0xb9, 0xb9, 0xe0, 0xe0, 0x89 };
const char unicode3[2] = { 0x89, 0xb9 };
const char unicode4[18] = { 0xbb, 0xef, 0xd2, 0xa9, 0xd2, 0x88, 0x20, 0x88, 0x88, 0xd2, 0x88, 0xd2, 0xd2, 0x20, 0xd2, 0x88, 0x0a, 0x88 };
const char unicode5[4] = { 0xd9, 0x20, 0xd2, 0x87 };
const char unicode6[4] = { 0xcc, 0x88, 0xd2, 0xbf };
const char unicode7[2] = { 0x0a, 0xbf };
const char *zalgo[] = { "T̫̺̳o̬̜ ì̬͎̲̟nv̖̗̻̣̹̕o͖̗̠̜̤k͍͚̹͖̼e̦̗̪͍̪͍ ̬ͅt̕h̠͙̮͕͓e̱̜̗͙̭ ̥͔̫͙̪͍̣͝ḥi̼̦͈̼v҉̩̟͚̞͎e͈̟̻͙̦̤-m̷̘̝̱í͚̞̦̳n̝̲̯̙̮͞d̴̺̦͕̫ ̗̭̘͎͖r̞͎̜̜͖͎̫͢ep͇r̝̯̝͖͉͎̺e̴s̥e̵̖̳͉͍̩̗n̢͓̪͕̜̰̠̦t̺̞̰i͟n҉̮̦̖̟g̮͍̱̻͍̜̳ ̳c̖̮̙̣̰̠̩h̷̗͍̖͙̭͇͈a̧͎̯̹̲̺̫ó̭̞̜̣̯͕s̶̤̮̩̘.̨̻̪̖͔ ̳̭̦̭̭̦̞́I̠͍̮n͇̹̪̬v̴͖̭̗̖o̸k҉̬̤͓͚̠͍i͜n̛̩̹͉̘̹g͙ ̠̥ͅt̰͖͞h̫̼̪e̟̩̝ ̭̠̲̫͔fe̤͇̝̱e͖̮̠̹̭͖͕l͖̲̘͖̠̪i̢̖͎̮̗̯͓̩n̸̰g̙̱̘̗͚̬ͅ ͍o͍͍̩̮͢f̖͓̦̥ ̘͘c̵̫̱̗͚͓̦h͝a̝͍͍̳̣͖͉o͙̟s̤̞.̙̝̭̣̳̼͟ ̢̻͖͓̬̞̰̦W̮̲̝̼̩̝͖i͖͖͡ͅt̘̯͘h̷̬̖̞̙̰̭̳ ̭̪̕o̥̤̺̝̼̰̯͟ṳ̞̭̤t̨͚̥̗ ̟̺̫̩̤̳̩o̟̰̩̖ͅr̞̘̫̩̼d̡͍̬͎̪̺͚͔e͓͖̝̙r̰͖̲̲̻̠.̺̝̺̟͈ ̣̭T̪̩̼h̥̫̪͔̀e̫̯͜ ̨N̟e҉͔̤zp̮̭͈̟é͉͈ṛ̹̜̺̭͕d̺̪̜͇͓i̞á͕̹̣̻n͉͘ ̗͔̭͡h̲͖̣̺̺i͔̣̖̤͎̯v̠̯̘͖̭̱̯e̡̥͕-m͖̭̣̬̦͈i͖n̞̩͕̟̼̺͜d̘͉ ̯o̷͇̹͕̦f̰̱ ̝͓͉̱̪̪c͈̲̜̺h̘͚a̞͔̭̰̯̗̝o̙͍s͍͇̱͓.̵͕̰͙͈ͅ ̯̞͈̞̱̖Z̯̮̺̤̥̪̕a͏̺̗̼̬̗ḻg͢o̥̱̼.̺̜͇͡ͅ ̴͓͖̭̩͎̗ ̧̪͈̱̹̳͖͙H̵̰̤̰͕̖e̛ ͚͉̗̼̞w̶̩̥͉̮h̩̺̪̩͘ͅọ͎͉̟ ̜̩͔̦̘ͅW̪̫̩̣̲͔̳a͏͔̳͖i͖͜t͓̤̠͓͙s̘̰̩̥̙̝ͅ ̲̠̬̥Be̡̙̫̦h̰̩i̛̫͙͔̭̤̗̲n̳͞d̸ ͎̻͘T̛͇̝̲̹̠̗ͅh̫̦̝ͅe̩̫͟ ͓͖̼W͕̳͎͚̙̥ą̙l̘͚̺͔͞ͅl̳͍̙̤̤̮̳.̢ ̟̺̜̙͉Z̤̲̙̙͎̥̝A͎̣͔̙͘L̥̻̗̳̻̳̳͢G͉̖̯͓̞̩̦O̹̹̺!̙͈͎̞̬ T̷̗͑̃ͦ̊͊̓͡͞h̛̥͚̖͇̝̬̹̟̃̋̽ͥ͆̂ͦ͗ȅ̱͗͘ ̱͈͋͛͡͝e͙͓̼̰̹̲̒ͤ́ͫ̓́͊͆͢n͂͗͊͌ͦ̐̊҉̧̟̺t̐ͧ̍̀ͤ̈́̔̒͏̻̜͙̝͕͍ͅï̛̠̩̦̿̉ͪ͌ͩ̚r̶̳̺͈̺͈͚͍ͯ̄ͤ͌̋͂͝e͖̟͓̝̩̺̬̭͙̐̉ ̵̴̴̗̤̺̥̰͚̐ͧͥͦ̿͛ͤr͙̣͔̺͆͞o̶̠̯͇͈ͧͭ̄ͩ̔̍͞ơ̖͙͔̥͋ͣ̈m͙͉̱̱̞̦̘̰͑ͭ͒̂̀͘ ̛̔ͭ̈ͬͮ҉̞͢ͅiͮ̒̔͘͏͉̯͎̦s̶̡͈͎̱̖͎̫̙̊ͫ̿̋ͣ͡ͅ ̙̣̬̟͈͋̓f͍͈̰̘̻̃͋͂̐i̸̺͙̪͔̞͙̣ͧͨ͝lͬ͂҉̸̻͔̙l͖̼ͮ͢͝e̷̟̙͔̠̯̓̓ͧ́ͬͪ̇̃d̶͕͇͎̦̐̓ ̮̯̥́͋̚̕w͑̍̔̔̀ͪͯ͘͢͏͉̰i̛̟̰̣ͭ̌̊͑̒ͫ̉͠t͇̖̬̠̗̲̄̓̈ͣͮ̂͂̊͗ḩ̲̖̊ͪ̓̄ ̝̺̟͕͖̈͋̎ͩͩ͆̈́̿͡Z̵̴̖͖͕̔ͬͮ͒̏̅̍̎a̤͖ͬ͑̎͐͑̔ͭ͞l̝̼̩͋̂g̨ͦ̓̓̏̈́̉ͯ͏͎͔̟̮̠̬͙ỏ͍̝̺͕͈ͭ̓̏̽̓ͭ̾́͢͞.͓̹͇̬̔̓̏ͦ̚͜͠" };
const char *thai[] = { "ก็็็็็็็็็็กิิิิิิิิิิก้้้้้้้้้้ก็็็็็็็็็็ก็็็็็็็็็็กิิิิิิิิิิก้้้้้้้้้้" };
unsigned int zalgolen = strlen(*zalgo);
unsigned int thailen = strlen(*thai);
char *ptr = page;
while (i < (page_size - zalgolen)) {
j = rand() % 9;
switch (j) {
case 0:
strncpy(ptr, unicode1, 4);
ptr += 4;
i += 4;
break;
case 1: unilen = rand() % 10;
for (l = 0; l < unilen; l++) {
strncpy(ptr, unicode2, 6);
ptr += 6;
i += 6;
if ((i + 6) > page_size)
break;
}
break;
case 2: strncpy(ptr, unicode3, 2);
i += 2;
ptr += 2;
break;
case 3: strncpy(ptr, unicode4, 18);
i += 18;
ptr += 18;
break;
case 4: strncpy(ptr, unicode5, 4);
i += 4;
ptr += 4;
break;
case 5: unilen = rand() % 10;
for (l = 0; l < unilen; l++) {
strncpy(ptr, unicode6, 4);
ptr += 4;
i += 4;
if ((i + 4) > page_size)
break;
}
break;
case 6: strncpy(ptr, unicode7, 4);
i += 4;
ptr += 4;
break;
/* HE COMES. */
case 7: strncpy(ptr, *zalgo, zalgolen);
i += zalgolen;
ptr += zalgolen;
break;
case 8: strncpy(ptr, *thai, thailen);
i += thailen;
ptr += thailen;
break;
default:
break;
}
}
page[rand() % page_size] = 0;
}
#ifdef STANDALONE
/*
* gcc -I include -g -DSTANDALONE unicode.c -o unicode
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
unsigned int page_size = 4096;
void main(int argc, char* argv[])
{
unsigned char *page;
unsigned int x = 0, y, n = 0;
struct timeval t;
gettimeofday(&t, 0);
srand((t.tv_sec * getpid()) ^ t.tv_usec);
page = malloc(4096);
memset(page, 0, 4096);
gen_unicode_page(page);
for (y = 0; y < 4096; y+=32) {
for (x = 0; x < 32; x++) {
printf("%c", page[n++]);
}
}
}
#endif
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