static int
jcmd_alg(int argc, char *argv[])
{
jcmd_opt_auto_t opt = {};
size_t len = 0;
if (!jcmd_opt_parse(argc, argv, cfgs, &opt, prefix, NULL))
return EXIT_FAILURE;
for (const jose_hook_alg_t *a = jose_hook_alg_list(); a; a = a->next) {
if (filter(&opt, a->kind))
len++;
}
const char *names[len];
for (const jose_hook_alg_t *a = jose_hook_alg_list(); a; a = a->next) {
if (filter(&opt, a->kind))
names[--len] = a->name;
}
qsort(names, sizeof(names) / sizeof(*names), sizeof(*names), cmp);
for (size_t i = 0; i < sizeof(names) / sizeof(*names); i++)
fprintf(stdout, "%s\n", names[i]);
return EXIT_SUCCESS;
}
static int
jcmd_jwk_exc(int argc, char *argv[])
{
jcmd_opt_auto_t opt = {};
json_auto_t *key = NULL;
json_t *tmpl = NULL;
if (!jcmd_opt_parse(argc, argv, cfgs, &opt, prefix))
return EXIT_FAILURE;
if (json_array_size(opt.keys) > 1 && json_array_remove(opt.keys, 0) < 0)
return EXIT_FAILURE;
if (json_array_size(opt.lcl) != 1) {
fprintf(stderr, "Local JWK must be specified exactly once!\n");
return EXIT_FAILURE;
}
if (json_array_size(opt.rem) != 1) {
fprintf(stderr, "Remote JWK must be specified exactly once!\n");
return EXIT_FAILURE;
}
key = jose_jwk_exc(NULL, json_array_get(opt.lcl, 0),
json_array_get(opt.rem, 0));
if (!key) {
fprintf(stderr, "Error performing exchange!\n");
return EXIT_FAILURE;
}
tmpl = json_array_get(opt.keys, json_array_size(opt.keys) - 1);
if (json_object_update(tmpl, key) < 0)
return EXIT_FAILURE;
if (json_dumpf(tmpl, opt.output, JSON_COMPACT | JSON_SORT_KEYS) < 0) {
fprintf(stderr, "Error writing JWK!\n");
return EXIT_FAILURE;
}
if (isatty(fileno(opt.output)))
fprintf(opt.output, "\n");
return EXIT_SUCCESS;
}
static int
jcmd_jwk_thp(int argc, char *argv[])
{
jcmd_opt_auto_t opt = {};
size_t elen = 0;
size_t dlen = 0;
if (!jcmd_opt_parse(argc, argv, cfgs, &opt, prefix, suffix))
return EXIT_FAILURE;
if (json_array_size(opt.keys) == 0) {
fprintf(stderr, "Must specify JWK(Set)!\n");
return EXIT_FAILURE;
}
dlen = jose_jwk_thp_buf(NULL, NULL, opt.hash, NULL, 0);
if (dlen == SIZE_MAX) {
fprintf(stderr, "Error determining hash size!\n");
return EXIT_FAILURE;
}
elen = jose_b64_enc_buf(NULL, dlen, NULL, 0);
if (elen == SIZE_MAX)
return EXIT_FAILURE;
for (size_t i = 0; i < json_array_size(opt.keys); i++) {
const json_t *jwk = json_array_get(opt.keys, i);
uint8_t dec[dlen];
char enc[elen];
if (!jose_jwk_thp_buf(NULL, jwk, opt.hash, dec, sizeof(dec))) {
fprintf(stderr, "Error making thumbprint!\n");
return EXIT_FAILURE;
}
if (jose_b64_enc_buf(dec, dlen, enc, sizeof(enc)) != elen)
return EXIT_FAILURE;
fwrite(enc, 1, elen, opt.output);
fprintf(opt.output, "\n");
}
return EXIT_SUCCESS;
}
