Initial commit

1 files changed, 84 insertions, 0 deletions

diff --git a/src/gencaptcha.c b/src/gencaptcha.c
new file mode 100644
index 0000000..7a97059
--- /dev/null
+++ b/src/gencaptcha.c
@@ -0,0 +1,84 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include "shared.h"
+#include "config.h"
+
+#define ADJNUM 200
+#define NOUNUM 1524
+#define AVGADJ 7
+#define AVGNOU 7
+#define LONGADJ 14
+#define LONGNOU 15
+
+void createRandomWords(char* buf){
+  long adjnum = rand() % ADJNUM;
+  long nounum = rand() % NOUNUM;
+  char adjfilepath[64];
+  char noufilepath[64];
+  sprintf(adjfilepath,"%s/adj.txt",REL_BINPATH);
+  sprintf(noufilepath,"%s/nouns.txt",REL_BINPATH);
+  FILE* adjfile;
+  FILE* noufile;
+  adjfile = fopen(adjfilepath,"r");
+  noufile = fopen(noufilepath,"r");
+  //Instead of getting a particular line, seek an average length, and find the next word.
+  if(adjfile == NULL || noufile == NULL){
+    printf("%s%c%c\n","Content-Type:text/html;charset=iso-8859-1",13,10);
+    printf("Something has gone serirously wrong!");
+    exit(1);
+  }
+  fseek(adjfile,adjnum*AVGADJ,0);
+  fseek(noufile,nounum*AVGNOU,0);
+
+  while(fgetc(adjfile) != '\n'){}
+  while(fgetc(noufile) != '\n'){}
+  int pos = 0;
+  char tchar = fgetc(adjfile);
+  do{
+    buf[pos] = tchar;
+    pos++;
+    tchar = fgetc(adjfile);
+  }while(tchar != '\n');
+  buf[pos] = ' ';
+  pos++;
+  tchar = fgetc(noufile);
+  do{
+    buf[pos] = tchar;
+    pos++;
+    tchar = fgetc(noufile);
+  }while(tchar != '\n');
+  buf[pos] = '\0';
+}
+
+int main(){
+
+  srand(time(NULL));
+  char randwords[LONGADJ+LONGNOU+1];
+  createRandomWords(randwords);
+
+  int barraldis1 = rand()%10;
+  int barraldis2 = rand()%10;
+  int arcdis = (rand()%45)+45;
+  char command[1024];
+  unsigned long rhash = hash(randwords);
+  sprintf(command,"convert -background white -fill black -pointsize 48 label:\"%s\" \"%s/captchas/%lu.png\"",randwords,REL_BINPATH,rhash);
+  system(command);
+  sprintf(command,"convert \"%s/captchas/%lu.png\" -distort Barrel \"0.0%d 0.0 0.0%d\" \"%s/captchas/%lu.png\"",REL_BINPATH,rhash,barraldis1,barraldis2,REL_BINPATH,rhash);
+  system(command);
+  sprintf(command,"convert \"\"%s/captchas/%lu.png\" -virtual-pixel White -distort Arc %d \"%s/captchas/%lu.png\"",REL_BINPATH,rhash,arcdis,REL_BINPATH,rhash);
+  system(command);
+
+  printf("%s%c%c\n","Content-Type:text/html;charset=iso-8859-1",13,10);
+  printf("%lu",rhash);
+
+  FILE* tfile;
+  char filepath[100];
+  sprintf(filepath,"%s/captchas/%s.txt",REL_BINPATH,randwords);
+  tfile = fopen(filepath,"w");
+  fprintf(tfile,"%lu",rhash);
+  fclose(tfile);
+
+  return 0;
+}