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implement Randpass;
include "sys.m";
sys: Sys;
stderr: ref Sys->FD;
include "draw.m";
include "keyring.m";
kr : Keyring;
IPint: import kr;
Randpass: module
{
init: fn(nil: ref Draw->Context, nil: list of string);
};
init(nil: ref Draw->Context, args: list of string)
{
sys = load Sys Sys->PATH;
kr = load Keyring Keyring->PATH;
if(args != nil)
args = tl args;
pwlen := 16;
if(args != nil){
if(!isnumeric(hd args) || (pwlen = int hd args) <= 8 || pwlen > 256){
sys->fprint(sys->fildes(2), "Usage: randpass [password-length(<256, default=16)]\n");
raise "fail:usage";
}
}
rbig := IPint.random(pwlen*8, pwlen*16);
rstr := rbig.iptob64();
sys->print("%s\n", rstr[0:pwlen]);
}
isnumeric(s: string): int
{
for(i := 0; i < len s; i++)
if(!(s[i]>='0' && s[i]<='9'))
return 0;
return i > 0;
}
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