ref: 17f7f6be4e1a316c0f5f26ff70e047aece4de2bc
dir: /sys/src/cmd/auth/lib/getpass.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <authsrv.h> #include "authcmdlib.h" void getpass(Authkey *key, char *pass, int check, int confirm) { char buf[PASSWDLEN], *s, *err; for(;; memset(s, 0, strlen(s)), free(s)){ s = readcons("Password", nil, 1); if(s == nil) break; if(check){ if(err = okpasswd(s)){ print("%s, try again\n", err); continue; } } if(strlen(s) >= sizeof(buf)){ print("password longer than %d characters\n", sizeof(buf)-1); continue; } strcpy(buf, s); memset(s, 0, strlen(s)); free(s); if(confirm){ s = readcons("Confirm password", nil, 1); if(s == nil) break; if(strcmp(s, buf) != 0){ print("mismatch, try again\n"); continue; } memset(s, 0, strlen(s)); free(s); } if(key) passtokey(key, buf); if(pass) strcpy(pass, buf); memset(buf, 0, sizeof(buf)); return; } error("no password"); }