// Generates various email addresses with a given name and email provider. // Input line 1: email provider name (ex; gmail.com) // Input line 2: first name of person // Input line 3: last name of person #include #include #include #include using namespace std; static const int numemails=25; // number of emails to generate string uncache[numemails]; string GenerateUsername(string f, string l, size_t end1, size_t end2, bool s) { string uname,fpart,lpart; string linkchar=" _."; char lnk=linkchar.at(rand()%3); fpart=f.substr(0, end1); lpart=l.substr(0, end2); if(s) swap(fpart,lpart); if(lnk==' ') uname=fpart+lpart; else uname=fpart+lnk+lpart; return uname; } bool EmailFound(string s) { for(int i=0;i> email; cout << endl; cout << "Enter first name of person:"; cin >> fname; cout << endl; cout << "Enter last name of person:"; cin >> lname; cout << endl; srand(time(0)); string uname,emailadd; size_t end1,end2; bool s; int i=0; // Try various combinations of parts of each name while(i < numemails) { if(rand()%2==0) // first letter end1=1; else end1=fname.length(); // or complete if(rand()%2==0) end2=1; else end2=lname.length(); s=rand()%2; // do we reverse uname = GenerateUsername(fname,lname,end1,end2, s); emailadd=uname+"@"+email; // make sure we have not generated this one // before if(!EmailFound(emailadd)) { cout << emailadd << endl; uncache[i]=emailadd; i++; } } return 0; }

Email Address Guesser