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#include <u.h>
#include <libc.h>
#include <bio.h>
#include <authsrv.h>
#include "authcmdlib.h"
void
main(int argc, char **argv)
{
int fd, n;
Ticketreq tr;
Ticket t;
Passwordreq pr;
Authkey key;
char buf[512];
char *s, *user;
user = getuser();
ARGBEGIN{
}ARGEND
s = nil;
if(argc > 0){
user = argv[0];
s = strchr(user, '@');
if(s != nil)
*s++ = 0;
if(*user == 0)
user = getuser();
}
fd = authdial(nil, s);
if(fd < 0)
error("protocol botch: %r");
/* send ticket request to AS */
memset(&tr, 0, sizeof(tr));
strcpy(tr.uid, user);
tr.type = AuthPass;
if(_asrequest(fd, &tr) < 0)
error("%r");
/*
* get a password from the user and try to decrypt the
* ticket. If it doesn't work we've got a bad password,
* give up.
*/
readln("Plan 9 Password: ", pr.old, sizeof pr.old, 1);
passtokey(&key, pr.old);
if(_asgetresp(fd, &t, nil, &key) < 0)
error("%r");
if(t.num != AuthTp || strcmp(t.cuid, tr.uid) != 0)
error("bad password");
/* loop trying new passwords */
for(;;){
memset(&pr, 0, sizeof(pr));
pr.changesecret = 0;
*pr.new = 0;
readln("change Plan 9 Password? (y/n) ", buf, sizeof buf, 0);
if(*buf == 'y' || *buf == 'Y'){
readln("Password(8 to 31 characters): ", pr.new,
sizeof pr.new, 1);
readln("Confirm: ", buf, sizeof buf, 1);
if(strcmp(pr.new, buf)){
print("!mismatch\n");
continue;
}
}
readln("change Inferno/POP password? (y/n) ", buf, sizeof buf, 0);
if(*buf == 'y' || *buf == 'Y'){
pr.changesecret = 1;
readln("make it the same as your plan 9 password? (y/n) ",
buf, sizeof buf, 0);
if(*buf == 'y' || *buf == 'Y'){
if(*pr.new == 0)
strcpy(pr.secret, pr.old);
else
strcpy(pr.secret, pr.new);
} else {
readln("Secret(0 to 256 characters): ", pr.secret,
sizeof pr.secret, 1);
readln("Confirm: ", buf, sizeof buf, 1);
if(strcmp(pr.secret, buf)){
print("!mismatch\n");
continue;
}
}
}
pr.num = AuthPass;
n = convPR2M(&pr, buf, sizeof(buf), &t);
if(write(fd, buf, n) != n)
error("AS protocol botch: %r");
if(_asrdresp(fd, buf, 0) == 0)
break;
fprint(2, "passwd: refused: %r\n");
}
close(fd);
exits(0);
}
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