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- #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;
- }
- }
- }
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