Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <authsrv.h>
#include <bio.h>
#include "authcmdlib.h"

void
getpass(char *key, char *pass, int check, int confirm)
{
        char rpass[32], npass[32];
        char *err;

        if(pass == nil)
                pass = npass;

        for(;;){
                readln("Password: ", pass, sizeof npass, 1);
                if(confirm){
                        readln("Confirm password: ", rpass, sizeof rpass, 1);
                        if(strcmp(pass, rpass) != 0){
                                print("mismatch, try again\n");
                                continue;
                        }
                }
                if(!passtokey(key, pass)){
                        print("bad password, try again\n");
                        continue;
                }
                if(check)
                        if(err = okpasswd(pass)){
                                print("%s, try again\n", err);
                                continue;
                        }
                break;
        }
}

int
getsecret(int passvalid, char *p9pass)
{
        char answer[32];

        readln("assign Inferno/POP secret? (y/n) ", answer, sizeof answer, 0);
        if(*answer != 'y' && *answer != 'Y')
                return 0;

        if(passvalid){
                readln("make it the same as the plan 9 password? (y/n) ",
                        answer, sizeof answer, 0);
                if(*answer == 'y' || *answer == 'Y')
                        return 1;
        }

        for(;;){
                readln("Secret(0 to 256 characters): ", p9pass,
                        sizeof answer, 1);
                readln("Confirm: ", answer, sizeof answer, 1);
                if(strcmp(p9pass, answer) == 0)
                        break;
                print("mismatch, try again\n");
        }
        return 1;
}

void
readln(char *prompt, char *line, int len, int raw)
{
        char *p;
        int fdin, fdout, ctl, n, nr;

        fdin = open("/dev/cons", OREAD);
        fdout = open("/dev/cons", OWRITE);
        fprint(fdout, "%s", prompt);
        if(raw){
                ctl = open("/dev/consctl", OWRITE);
                if(ctl < 0)
                        error("couldn't set raw mode");
                write(ctl, "rawon", 5);
        } else
                ctl = -1;
        nr = 0;
        p = line;
        for(;;){
                n = read(fdin, p, 1);
                if(n < 0){
                        close(ctl);
                        error("can't read cons\n");
                }
                if(*p == 0x7f)
                        exits(0);
                if(n == 0 || *p == '\n' || *p == '\r'){
                        *p = '\0';
                        if(raw){
                                write(ctl, "rawoff", 6);
                                write(fdout, "\n", 1);
                        }
                        close(ctl);
                        return;
                }
                if(*p == '\b'){
                        if(nr > 0){
                                nr--;
                                p--;
                        }
                }else{
                        nr++;
                        p++;
                }
                if(nr == len){
                        fprint(fdout, "line too long; try again\n");
                        nr = 0;
                        p = line;
                }
        }
}