struct tls_config *
tls_config_new(void)
{
struct tls_config *config;
if ((config = calloc(1, sizeof(*config))) == NULL)
return (NULL);
/*
* Default configuration.
*/
if (tls_config_set_ca_file(config, _PATH_SSL_CA_FILE) != 0)
goto err;
if (tls_config_set_dheparams(config, "none") != 0)
goto err;
if (tls_config_set_ecdhecurve(config, "auto") != 0)
goto err;
if (tls_config_set_ciphers(config, "secure") != 0)
goto err;
tls_config_set_protocols(config, TLS_PROTOCOLS_DEFAULT);
tls_config_set_verify_depth(config, 6);
tls_config_verify(config);
return (config);
err:
tls_config_free(config);
return (NULL);
}
static int init_https(void) {
if(!SERVER_PORT_TLS) return 0;
struct tls_config *config = tls_config_new();
if(!config) {
alogf("TLS config error: %s\n", strerror(errno));
return -1;
}
int rc = tls_config_set_ciphers(config, TLS_CIPHERS);
if(0 != rc) {
alogf("TLS ciphers error: %s\n", strerror(errno));
tls_config_free(config); config = NULL;
return -1;
}
tls_config_set_protocols(config, TLS_PROTOCOLS);
str_t pemfile[PATH_MAX];
snprintf(pemfile, sizeof(pemfile), "%s/key.pem", path);
rc = tls_config_set_key_file(config, pemfile);
if(0 != rc) {
alogf("TLS key file error: %s\n", strerror(errno));
tls_config_free(config); config = NULL;
return -1;
}
snprintf(pemfile, sizeof(pemfile), "%s/crt.pem", path);
rc = tls_config_set_cert_file(config, pemfile);
if(0 != rc) {
alogf("TLS crt file error: %s\n", strerror(errno));
tls_config_free(config); config = NULL;
return -1;
}
struct tls *tls = tls_server();
if(!tls) {
alogf("TLS engine error: %s\n", strerror(errno));
tls_config_free(config); config = NULL;
return -1;
}
rc = tls_configure(tls, config);
tls_config_free(config); config = NULL;
if(0 != rc) {
alogf("TLS config error: %s\n", tls_error(tls));
tls_free(tls); tls = NULL;
return -1;
}
server_tls = HTTPServerCreate((HTTPListener)listener, blog);
if(!server_tls) {
alogf("HTTPS server could not be initialized\n");
tls_free(tls); tls = NULL;
return -1;
}
rc = HTTPServerListenSecure(server_tls, SERVER_ADDRESS, SERVER_PORT_TLS, &tls);
tls_free(tls); tls = NULL;
if(rc < 0) {
alogf("HTTPS server could not be started: %s\n", sln_strerror(rc));
return -1;
}
int const port = SERVER_PORT_TLS;
alogf("StrongLink server running at https://localhost:%d/\n", port);
return 0;
}
int main(int argc, char *argv[])
{
struct tls_config *conf;
struct tls *ctx;
struct tls_cert_info *cert;
int res;
const char *host;
if (argc < 2)
errx(1, "give host as arg\n");
host = argv[1];
res = tls_init();
if (res < 0)
errx(1, "tls_init");
conf = tls_config_new();
if (!conf)
errx(1, "tls_config_new");
tls_config_set_protocols(conf, TLS_PROTOCOLS_ALL);
tls_config_set_ciphers(conf, "fast");
ctx = tls_client();
if (!ctx)
errx(1, "tls_client");
res = tls_configure(ctx, conf);
if (res < 0)
errx(1, "tls_configure: %s", tls_error(ctx));
res = tls_connect(ctx, host, "443");
if (res < 0)
errx(1, "tls_connect: %s", tls_error(ctx));
printf("connect ok\n");
res = tls_get_peer_cert(ctx, &cert);
if (res < 0)
errx(1, "tls_get_peer_cert: %s", tls_error(ctx));
tls_close(ctx);
tls_free(ctx);
tls_config_free(conf);
printf(" CN='%s'\n", cert->subject.common_name);
printf(" C='%s'\n", cert->subject.country_name);
printf(" ST='%s'\n", cert->subject.state_or_province_name);
printf(" L='%s'\n", cert->subject.locality_name);
printf(" S='%s'\n", cert->subject.street_address);
printf(" O='%s'\n", cert->subject.organization_name);
printf(" OU='%s'\n", cert->subject.organizational_unit_name);
tls_cert_free(cert);
return 0;
}
struct tls_config *
tls_config_new_internal(void)
{
struct tls_config *config;
unsigned char sid[TLS_MAX_SESSION_ID_LENGTH];
if ((config = calloc(1, sizeof(*config))) == NULL)
return (NULL);
if ((config->keypair = tls_keypair_new()) == NULL)
goto err;
config->refcount = 1;
config->session_fd = -1;
/*
* Default configuration.
*/
if (tls_config_set_dheparams(config, "none") != 0)
goto err;
if (tls_config_set_ecdhecurves(config, "default") != 0)
goto err;
if (tls_config_set_ciphers(config, "secure") != 0)
goto err;
if (tls_config_set_protocols(config, TLS_PROTOCOLS_DEFAULT) != 0)
goto err;
if (tls_config_set_verify_depth(config, 6) != 0)
goto err;
/*
* Set session ID context to a random value. For the simple case
* of a single process server this is good enough. For multiprocess
* servers the session ID needs to be set by the caller.
*/
arc4random_buf(sid, sizeof(sid));
if (tls_config_set_session_id(config, sid, sizeof(sid)) != 0)
goto err;
config->ticket_keyrev = arc4random();
config->ticket_autorekey = 1;
tls_config_prefer_ciphers_server(config);
tls_config_verify(config);
return (config);
err:
tls_config_free(config);
return (NULL);
}
int main(int argc, char *argv[])
{
struct tls_config *conf;
struct tls *ctx, *ocsp;
struct tls_cert *cert;
int res;
const char *host;
char buf[256];
if (argc < 2)
errx(1, "give host as arg\n");
host = argv[1];
#ifdef USUAL_LIBSSL_FOR_TLS
printf("libssl: %s\n", SSLeay_version(SSLEAY_VERSION));
#endif
res = tls_init();
if (res < 0)
errx(1, "tls_init");
conf = tls_config_new();
if (!conf)
errx(1, "tls_config_new");
tls_config_set_protocols(conf, TLS_PROTOCOLS_ALL);
tls_config_set_ciphers(conf, "fast");
ctx = tls_client();
if (!ctx)
errx(1, "tls_client");
res = tls_configure(ctx, conf);
if (res < 0)
errx(1, "tls_configure: %s", tls_error(ctx));
res = tls_connect(ctx, host, "443");
if (res < 0)
errx(1, "tls_connect: %s", tls_error(ctx));
res = tls_handshake(ctx);
if (res < 0)
errx(1, "tls_handshake: %s", tls_error(ctx));
res = tls_get_peer_cert(ctx, &cert, NULL);
if (res < 0)
errx(1, "tls_get_peer_cert: %s", tls_error(ctx));
tls_get_connection_info(ctx, buf, sizeof buf);
printf("Connection: '%s'\n", buf);
printf(" CN='%s'\n", cert->subject.common_name);
printf(" C='%s'\n", cert->subject.country_name);
printf(" ST='%s'\n", cert->subject.state_or_province_name);
printf(" L='%s'\n", cert->subject.locality_name);
printf(" S='%s'\n", cert->subject.street_address);
printf(" O='%s'\n", cert->subject.organization_name);
printf(" OU='%s'\n", cert->subject.organizational_unit_name);
show_ocsp_info("OCSP stapling", ctx);
ocsp = NULL;
res = tls_ocsp_check_peer(&ocsp, NULL, ctx);
if (ocsp) {
show_ocsp_info("OCSP responder", ocsp);
tls_free(ocsp);
} else if (res == TLS_NO_OCSP) {
printf("OCSP responder: No OCSP support in libtls\n");
}
if (0) test_context(ctx);
tls_close(ctx);
tls_free(ctx);
tls_config_free(conf);
tls_cert_free(cert);
return 0;
}
int main(int argc, char *argv[])
{
struct tls_config *conf;
struct tls *ctx;
int res;
const char *host;
if (argc < 2)
errx(1, "give host as arg\n");
host = argv[1];
res = tls_init();
if (res < 0)
errx(1, "tls_init");
conf = tls_config_new();
if (!conf)
errx(1, "tls_config_new");
tls_config_set_protocols(conf, TLS_PROTOCOLS_ALL);
tls_config_set_ciphers(conf, "HIGH:+3DES:!aNULL");
tls_config_set_ca_file(conf, "/etc/ssl/certs/ca-certificates.crt");
ctx = tls_client();
if (!ctx)
errx(1, "tls_client");
res = tls_configure(ctx, conf);
if (res < 0)
errx(1, "tls_configure: %s", tls_error(ctx));
res = tls_connect(ctx, host, "443");
if (res < 0)
errx(1, "tls_connect: %s", tls_error(ctx));
res = tls_handshake(ctx);
if (res < 0)
errx(1, "tls_handshake: %s", tls_error(ctx));
printf("connect ok\n");
#if 0
struct tls_cert *cert;
//res = tls_get_peer_cert(ctx, &cert, NULL);
//if (res < 0)
//errx(1, "tls_get_peer_cert: %s", tls_error(ctx));
printf(" CN='%s'\n", cert->subject.common_name);
printf(" C='%s'\n", cert->subject.country_name);
printf(" ST='%s'\n", cert->subject.state_or_province_name);
printf(" L='%s'\n", cert->subject.locality_name);
printf(" S='%s'\n", cert->subject.street_address);
printf(" O='%s'\n", cert->subject.organization_name);
printf(" OU='%s'\n", cert->subject.organizational_unit_name);
tls_cert_free(cert);
#endif
tls_close(ctx);
tls_free(ctx);
tls_config_free(conf);
return 0;
}
static const char *create_worker(struct Worker **w_p, bool is_server, ...)
{
va_list ap;
const char *k, *v;
int klen;
struct Worker *w;
int err;
const char *mem = NULL;
void *fdata;
size_t flen;
const char *errmsg = NULL;
*w_p = NULL;
w = calloc(1, sizeof *w);
if (!w)
return "calloc";
w->wstate = HANDSHAKE;
w->is_server = is_server;
w->config = tls_config_new();
if (!w->config)
return "tls_config_new failed";
if (is_server) {
w->base = tls_server();
if (!w->base)
return "tls_server failed";
} else {
w->ctx = tls_client();
if (!w->ctx)
return "tls_client failed";
}
va_start(ap, is_server);
while (1) {
k = va_arg(ap, char *);
if (!k)
break;
v = strchr(k, '=');
if (!v) {
errmsg = k;
break;
}
v++;
klen = v - k;
err = 0;
if (!strncmp(k, "mem=", klen)) {
mem = v;
} else if (!strncmp(k, "ca=", klen)) {
if (mem) {
fdata = load_file(v, &flen);
if (!fdata) {
errmsg = strerror(errno);
break;
}
err = tls_config_set_ca_mem(w->config, fdata, flen);
free(fdata);
} else {
err = tls_config_set_ca_file(w->config, v);
}
} else if (!strncmp(k, "cert=", klen)) {
if (mem) {
fdata = load_file(v, &flen);
if (!fdata) {
errmsg = strerror(errno);
break;
}
err = tls_config_set_cert_mem(w->config, fdata, flen);
free(fdata);
} else {
err = tls_config_set_cert_file(w->config, v);
}
} else if (!strncmp(k, "key=", klen)) {
if (mem) {
fdata = load_file(v, &flen);
if (!fdata) {
errmsg = strerror(errno);
break;
}
err = tls_config_set_key_mem(w->config, fdata, flen);
free(fdata);
} else {
err = tls_config_set_key_file(w->config, v);
}
} else if (!strncmp(k, "show=", klen)) {
w->show = v;
} else if (!strncmp(k, "ciphers=", klen)) {
err = tls_config_set_ciphers(w->config, v);
} else if (!strncmp(k, "host=", klen)) {
w->hostname = v;
} else if (!strncmp(k, "noverifycert=", klen)) {
tls_config_insecure_noverifycert(w->config);
} else if (!strncmp(k, "noverifyname=", klen)) {
tls_config_insecure_noverifyname(w->config);
} else if (!strncmp(k, "verify=", klen)) {
tls_config_verify(w->config);
} else if (!strncmp(k, "dheparams=", klen)) {
err = tls_config_set_dheparams(w->config, v);
} else if (!strncmp(k, "ecdhecurve=", klen)) {
err = tls_config_set_ecdhecurve(w->config, v);
} else if (!strncmp(k, "protocols=", klen)) {
uint32_t protos;
err = tls_config_parse_protocols(&protos, v);
tls_config_set_protocols(w->config, protos);
} else if (!strncmp(k, "peer-sha1=", klen)) {
w->peer_fingerprint_sha1 = v;
} else if (!strncmp(k, "peer-sha256=", klen)) {
w->peer_fingerprint_sha256 = v;
} else if (!strncmp(k, "verify-client=", klen)) {
tls_config_verify_client(w->config);
} else if (!strncmp(k, "verify-client-optional=", klen)) {
tls_config_verify_client_optional(w->config);
} else if (!strncmp(k, "aggressive-close=", klen)) {
w->aggressive_close = 1;
} else {
errmsg = k;
break;
}
if (err < 0) {
errmsg = k;
break;
}
}
va_end(ap);
if (errmsg)
return errmsg;
if (is_server) {
if (tls_configure(w->base, w->config) < 0)
return tls_error(w->base);
} else {
if (tls_configure(w->ctx, w->config) < 0)
return tls_error(w->ctx);
}
*w_p = w;
return "OK";
}
struct tls_config *
https_init(void)
{
struct tls_config *tls_config;
char *str;
int depth;
uint32_t http_tls_protocols;
const char *errstr;
if (tls_init() != 0)
errx(1, "tls init failed");
if ((tls_config = tls_config_new()) == NULL)
errx(1, "tls config_new failed");
tls_config_set_protocols(tls_config, TLS_PROTOCOLS_ALL);
if (tls_config_set_ciphers(tls_config, "compat") != 0)
errx(1, "tls set ciphers failed");
if (tls_options == NULL)
return tls_config;
while (*tls_options) {
switch (getsubopt(&tls_options, tls_verify_opts, &str)) {
case HTTP_TLS_CAFILE:
if (str == NULL)
errx(1, "missing CA file");
if (tls_config_set_ca_file(tls_config, str) != 0)
errx(1, "tls ca file failed");
break;
case HTTP_TLS_CAPATH:
if (str == NULL)
errx(1, "missing ca path");
if (tls_config_set_ca_path(tls_config, str) != 0)
errx(1, "tls ca path failed");
break;
case HTTP_TLS_CIPHERS:
if (str == NULL)
errx(1, "missing cipher list");
if (tls_config_set_ciphers(tls_config, str) != 0)
errx(1, "tls set ciphers failed");
break;
case HTTP_TLS_DONTVERIFY:
tls_config_insecure_noverifycert(tls_config);
tls_config_insecure_noverifyname(tls_config);
break;
case HTTP_TLS_PROTOCOLS:
if (tls_config_parse_protocols(&http_tls_protocols,
str) != 0)
errx(1, "tls parsing protocols failed");
tls_config_set_protocols(tls_config,
http_tls_protocols);
break;
case HTTP_TLS_VERIFYDEPTH:
if (str == NULL)
errx(1, "missing depth");
depth = strtonum(str, 0, INT_MAX, &errstr);
if (errstr)
errx(1, "Cert validation depth is %s", errstr);
tls_config_set_verify_depth(tls_config, depth);
break;
default:
errx(1, "Unknown -S suboption `%s'",
suboptarg ? suboptarg : "");
}
}
return tls_config;
}
int main(int argc, char **argv) {
struct tls_config *config = NULL;
struct tls *tls = NULL;
unsigned int protocols = 0;
struct sockaddr_in server, client;
int sock = socket(AF_INET, SOCK_STREAM, 0);
int opt = 1;
int b;
struct tls *tls2 = NULL;
ssize_t outlen = 0;
char bufs[1000], bufc[1000];
int sc;
char *msg = "HELLO TLS CLIENT\n";
char *ciphers = "ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384";
struct pollfd pfd[2];
if(tls_init() < 0) {
printf("tls_init error\n");
exit(1);
}
config = tls_config_new();
if(config == NULL) {
printf("tls_config_new error\n");
exit(1);
}
tls = tls_server();
if(tls == NULL) {
printf("tls_server error\n");
exit(1);
}
if(tls_config_parse_protocols(&protocols, "secure") < 0) {
printf("tls_config_parse_protocols error\n");
exit(1);
}
tls_config_set_protocols(config, protocols);
if(tls_config_set_ciphers(config, ciphers) < 0) {
printf("tls_config_set_ciphers error\n");
exit(1);
}
if(tls_config_set_key_file(config, "private.pem") < 0) {
printf("tls_config_set_key_file error\n");
exit(1);
}
if(tls_config_set_cert_file(config, "server.crt") < 0) {
printf("tls_config_set_cert_file error\n");
exit(1);
}
if(tls_configure(tls, config) < 0) {
printf("tls_configure error: %s\n", tls_error(tls));
exit(1);
}
bzero(&server, sizeof(server));
server.sin_addr.s_addr = inet_addr("127.0.0.1");
server.sin_port = htons(9000);
server.sin_family = AF_INET;
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &opt, 4);
b = bind(sock, (struct sockaddr *) &server, sizeof(server));
if(b < 0) {
printf("erro bind\n");
exit(1);
}
listen(sock, 10);
socklen_t client_size = sizeof(client);
sc = accept(sock, (struct sockaddr *) &client, &client_size);
if(tls_accept_socket(tls, &tls2, sc) < 0) {
printf("tls_accept_socket error\n");
exit(1);
}
tls_write(tls2, msg, strlen(msg));
pfd[0].fd = 0;
pfd[0].events = POLLIN;
pfd[1].fd = sc;
pfd[1].events = POLLIN;
while(bufc[0] != ':' && bufc[1] != 'q') {
poll(pfd, 2, -1);
bzero(bufs, 1000);
bzero(bufc, 1000);
if(pfd[0].revents & POLLIN) {
int q = read(0, bufc, 1000);
tls_write(tls2, bufc, q);
}
if(pfd[1].revents & POLLIN) {
if((outlen = tls_read(tls2, bufs, 1000)) <= 0) break;
printf("Mensagem (%lu): %s\n", outlen, bufs);
}
}
tls_close(tls);
tls_free(tls);
tls_config_free(config);
return 0;
}