Update tls12_client.c

This commit is contained in:
Zhi Guan
2026-05-29 11:25:59 +08:00
parent 093faec214
commit ea8dfb4df8

View File

@@ -30,10 +30,17 @@ static const char *help =
"\n"
" -host str Server's hostname\n"
" -port num Server's port number, default 443\n"
" -cipher_suite str Supported cipher suites, may appear multiple times, higher priority first\n"
" -supported_group str Supported elliptic curves, may appear multiple times, higher priority first\n"
" -sig_alg str Supported signature algorithms\n"
" -cacert file Root CA certificate\n"
" -verify_depth num Certificate verification depth\n"
" -cert file Client's certificate chain in PEM format\n"
" -key file Client's encrypted private key in PEM format\n"
" -pass str Password to decrypt private key\n"
" -client_cert_optional Allow client send empty Certificate\n"
" -server_name Send server_name (SNI) request\n"
" -status_request Send status_request (OCSP Stapling) request\n"
"\n"
#include "tls12_help.h"
"\n";
@@ -44,15 +51,23 @@ int tls12_client_main(int argc, char *argv[])
char *prog = argv[0];
char *host = NULL;
int port = 443;
int cipher_suites[4];
size_t cipher_suites_cnt = 0;
int supported_groups[4];
size_t supported_groups_cnt = 0;
int sig_algs[4];
size_t sig_algs_cnt = 0;
char *cacertfile = NULL;
int verify_depth = TLS_DEFAULT_VERIFY_DEPTH;
char *certfile = NULL;
char *keyfile = NULL;
char *pass = NULL;
int client_cert_optional = 0;
TLS_CTX ctx;
TLS_CONNECT conn;
struct hostent *hp;
struct sockaddr_in server;
tls_socket_t sock = -1;
TLS_CTX ctx;
TLS_CONNECT conn;
char buf[1024] = {0};
size_t len = sizeof(buf);
char send_buf[1024] = {0};
@@ -74,9 +89,59 @@ int tls12_client_main(int argc, char *argv[])
} else if (!strcmp(*argv, "-port")) {
if (--argc < 1) goto bad;
port = atoi(*(++argv));
} else if (!strcmp(*argv, "-cipher_suite")) {
char *cipher_suite_name;
int cipher_suite;
if (cipher_suites_cnt >= sizeof(cipher_suites)/sizeof(cipher_suites[0])) {
fprintf(stderr, "%s: too many -cipher_suite options\n", prog);
return -1;
}
if (--argc < 1) goto bad;
cipher_suite_name = *(++argv);
if ((cipher_suite = tls_cipher_suite_from_name(cipher_suite_name)) == 0) {
fprintf(stderr, "%s: invalid -cipher_suite '%s' value\n", prog, cipher_suite_name);
return -1;
}
cipher_suites[cipher_suites_cnt] = cipher_suite;
cipher_suites_cnt++;
} else if (!strcmp(*argv, "-cacert")) {
if (--argc < 1) goto bad;
cacertfile = *(++argv);
} else if (!strcmp(*argv, "-verify_depth")) {
if (--argc < 1) goto bad;
verify_depth = atoi(*(++argv));
if (verify_depth < 1) {
fprintf(stderr, "%s: invalid -verify_depth value '%d'\n", prog, verify_depth);
return -1;
}
} else if (!strcmp(*argv, "-supported_group")) {
char *supported_group_name;
int supported_group;
if (supported_groups_cnt >= sizeof(supported_groups)/sizeof(supported_groups[0])) {
fprintf(stderr, "%s: too many -supported_group options\n", prog);
return -1;
}
if (--argc < 1) goto bad;
supported_group_name = *(++argv);
if ((supported_group = tls_named_curve_from_name(supported_group_name)) == 0) {
fprintf(stderr, "%s: -supported_group '%s' not supported\n", prog, supported_group_name);
return -1;
}
supported_groups[supported_groups_cnt++] = supported_group;
} else if (!strcmp(*argv, "-sig_alg")) {
char *sig_alg_name;
int sig_alg;
if (sig_algs_cnt >= sizeof(sig_algs)/sizeof(sig_algs[0])) {
fprintf(stderr, "%s: too many -sig_alg options\n", prog);
return -1;
}
if (--argc < 1) goto bad;
sig_alg_name = *(++argv);
if ((sig_alg = tls_signature_scheme_from_name(sig_alg_name)) == 0) {
fprintf(stderr, "%s: -sig_alg '%s' not supported\n", prog, sig_alg_name);
return -1;
}
sig_algs[sig_algs_cnt++] = sig_alg;
} else if (!strcmp(*argv, "-cert")) {
if (--argc < 1) goto bad;
certfile = *(++argv);
@@ -86,6 +151,8 @@ int tls12_client_main(int argc, char *argv[])
} else if (!strcmp(*argv, "-pass")) {
if (--argc < 1) goto bad;
pass = *(++argv);
} else if (!strcmp(*argv, "-client_cert_optional")) {
client_cert_optional = 1;
} else {
fprintf(stderr, "%s: invalid option '%s'\n", prog, *argv);
return 1;
@@ -102,54 +169,92 @@ bad:
return -1;
}
if (!cipher_suites_cnt) {
fprintf(stderr, "%s: option '-cipher_suite' missing\n", prog);
return -1;
}
if (tls_socket_lib_init() != 1) {
error_print();
return -1;
}
if (!(hp = gethostbyname(host))) {
//herror("tls12_client: '-host' invalid"); // herror() not in winsock2, use WSAGetLastError() instead
if (tls_ctx_init(&ctx, TLS_protocol_tls12, TLS_client_mode) != 1) {
error_print();
return -1;
}
if (tls_ctx_set_cipher_suites(&ctx, cipher_suites, cipher_suites_cnt) != 1) {
error_print();
goto end;
}
memset(&ctx, 0, sizeof(ctx));
memset(&conn, 0, sizeof(conn));
if (cacertfile) {
if (tls_ctx_set_ca_certificates(&ctx, cacertfile, verify_depth) != 1) {
fprintf(stderr, "%s: failed to load CA certificate\n", prog);
goto end;
}
}
if (supported_groups_cnt > 0) {
if (tls_ctx_set_supported_groups(&ctx, supported_groups, supported_groups_cnt) != 1) {
error_print();
goto end;
}
}
if (sig_algs_cnt > 0) {
if (tls_ctx_set_signature_algorithms(&ctx, sig_algs, sig_algs_cnt) != 1) {
error_print();
goto end;
}
}
if (certfile) {
if (!keyfile) {
fprintf(stderr, "%s: option '-key' missing\n", prog);
goto end;
}
if (!pass) {
fprintf(stderr, "%s: option '-pass' missing\n", prog);
goto end;
}
if (tls_ctx_set_certificate_and_key(&ctx, certfile, keyfile, pass) != 1) {
fprintf(stderr, "%s: failed to load client certificate\n", prog);
goto end;
}
}
if (tls_init(&conn, &ctx) != 1) {
error_print();
goto end;
}
if (tls_socket_create(&sock, AF_INET, SOCK_STREAM, 0) != 1) {
fprintf(stderr, "%s: faild to open socket\n", prog);
goto end;
}
if (!(hp = gethostbyname(host))) {
fprintf(stderr, "%s: failed to parse host name\n", prog, host);
goto end;
}
server.sin_addr = *((struct in_addr *)hp->h_addr_list[0]);
server.sin_family = AF_INET;
server.sin_port = htons(port);
if (tls_socket_create(&sock, AF_INET, SOCK_STREAM, 0) != 1) {
fprintf(stderr, "%s: create socket error\n", prog);
goto end;
}
if (tls_socket_connect(sock, &server) != 1) {
fprintf(stderr, "%s: socket connect error\n", prog);
goto end;
}
if (tls_ctx_init(&ctx, TLS_protocol_tls12, TLS_client_mode) != 1
|| tls_ctx_set_cipher_suites(&ctx, client_ciphers, sizeof(client_ciphers)/sizeof(client_ciphers[0])) != 1) {
fprintf(stderr, "%s: context init error\n", prog);
if (tls_set_socket(&conn, sock) != 1) {
error_print();
goto end;
}
if (cacertfile) {
if (tls_ctx_set_ca_certificates(&ctx, cacertfile, TLS_DEFAULT_VERIFY_DEPTH) != 1) {
fprintf(stderr, "%s: context init error\n", prog);
goto end;
}
}
if (certfile) {
if (tls_ctx_set_certificate_and_key(&ctx, certfile, keyfile, pass) != 1) {
fprintf(stderr, "%s: context init error\n", prog);
goto end;
}
}
if (tls_init(&conn, &ctx) != 1
|| tls_set_socket(&conn, sock) != 1
|| tls_do_handshake(&conn) != 1) {
if (tls_do_handshake(&conn) != 1) {
fprintf(stderr, "%s: error\n", prog);
goto end;
}