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;
}
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";
}
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;
}