int main(int argc, char *argv[])
{
int opt;
size_t i, j, n = 16, *xc;
char c, *s;
char *salt = "pepper";
unsigned char *key;
char *flags = "dluyn:";
char *cc[4] = {
"0123456789",
"abcdefghijklmnopqrstuvwxyz",
"ABCDEFGHIJKLMNOPQRSTUVWXYZ",
"!#$%&()*+,-./:;<=>?@[]^_{}~"
};
progname = strbsnm(argv[0]);
while ((opt = getopt(argc, argv, flags)) != -1) {
switch (opt) {
case 'd': case 'l': case 'u': case 'y':
cc[strchr(flags, opt) - flags] = "";
break;
case 'n':
n = strtoul(optarg, &s, 0);
if (*s != '\0')
error(EXIT_FAILURE, 0, "%s: not a number", optarg);
break;
}
}
for (i = 0; i < ARRLEN(cc); i++)
bputs(&ac, cc[i], strlen(cc[i]));
bputs(&ac, "", 1);
if (optind < argc)
bputs(&en, argv[optind], strlen(argv[optind]));
else
prompt(&en, "Entity: ", 0);
prompt(&pw, "Master password: "******"", 1);
xc = erealloc(NULL, n * sizeof(*xc));
for (i = 0; i < n; i++)
xc[i] = -1;
for (i = j = 0; i < ARRLEN(cc); i++) {
if (*cc[i] != '\0') {
j += 1;
xc[n-j] = i;
}
}
key = erealloc(NULL, n);
PKCS5_PBKDF2_HMAC(pw.d, pw.n, (unsigned char*) salt, strlen(salt), 100000, EVP_sha512(), n, key);
for (i = 0; i < n; i++) {
s = xc[i] != -1 && *cc[xc[i]] != '\0' ? cc[xc[i]] : ac.d;
c = s[key[i] % strlen(s)];
printf("%c", c);
for (j = 0; j < ARRLEN(cc); j++) {
if (strchr(cc[j], c) != NULL)
cc[j] = "";
}
}
printf("\n");
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
int b, s;
float f;
char *end;
unsigned int h, i;
unsigned char *d;
progname = strbsnm(argv[0]);
for (i = 1; i < argc; i++) {
f = strtof(argv[i], &end);
if (*end != '\0') {
error(0, 0, "%s: not a float", argv[i]);
continue;
}
d = (unsigned char*) &f;
h = 0;
for (s = sizeof(f) * 8 - 8; s >= 0; s -= 8)
h |= *d++ << s;
for (b = sizeof(f) * 8 - 1; b >= 0; b--)
printf("%u%s", h >> b & 0x1, b == 31 || b == 23 ? " " : "");
printf(" %08x %s\n", h, argv[i]);
}
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
int opt;
char *cmd, *opts;
progname = strbsnm(argv[0]);
if (argc < 2)
error(EXIT_FAILURE, 0, "missing FILE");
cmd = strbsnm(argv[1]);
pusharg("/bin/rc");
pusharg(argv[1]);
opts = optstr(argv[1]);
opterr = 0;
argc--, argv++;
while ((opt = getopt(argc, argv, opts)) != -1) {
switch (opt) {
case '?':
progname = cmd;
error(EXIT_FAILURE, 0, "unknown option: -%c", optopt);
case ':':
progname = cmd;
error(EXIT_FAILURE, 0, "option requires argument: -%c", optopt);
default:
pusharg(optctos(opt));
if (strchr(opts, opt)[1] == ':')
pusharg(optarg);
}
}
pusharg("--");
while (optind < argc)
pusharg(argv[optind++]);
pusharg(NULL);
setenv("cmd", cmd, 1);
setenv("fn_err", "{echo >[1=2] $cmd^: $*; exit 1}", 1);
setenv("fn_usage", "{echo usage: $cmd $usage}", 1);
execvp(arg.v[0], arg.v);
error(EXIT_FAILURE, errno, "exec: %s", arg.v[0]);
return 0;
}
