#include <stdio.h> struct passwd { char username[32]; char passwd[32]; int uid; int gid; char shell[128]; char realname[256]; char path[256]; }; int main(int argc,char **argv) { int i = 0x0; struct passwd *password = 0x0; FILE *out; password = (struct passwd *)malloc(4096); out = fopen("./userdb","wbb"); sprintf(password[0].username,"root"); sprintf(password[0].passwd,"user"); sprintf(password[0].shell,"sys:/bin/shell"); sprintf(password[0].realname,"Root User"); sprintf(password[0].path,"root"); password[0].uid = 0; password[0].gid = 0; sprintf(password[1].username,"guest"); sprintf(password[1].passwd,"user"); sprintf(password[1].shell,"sys:/bin/shell"); sprintf(password[1].realname,"Guest User"); sprintf(password[1].path,"guest"); password[1].uid = 1; password[1].gid = 1; sprintf(password[2].username,"reddawg"); sprintf(password[2].passwd,"temp123"); sprintf(password[2].shell,"sys:/bin/shell"); sprintf(password[2].realname,"Christopher"); sprintf(password[2].path,"reddawg"); password[2].uid = 1000; password[2].gid = 1000; fwrite(password,4096,1,out); fclose(out); for (i=0;i<3;i++) { printf("User: [%s]\n",password[i].username); printf("Pass: [%s]\n",password[i].passwd); printf("UID: [%i]\n",password[i].uid); printf("GID: [%i]\n",password[i].gid); printf("Shell: [%s]\n",password[i].shell); printf("Name: [%s]\n",password[i].realname); printf("Path: [%s]\n",password[i].path); } return(0); }