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Re-order the options in tunala and add command switches like s_server for

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disabling different SSL/TLS protocol versions.
This commit is contained in:
Geoff Thorpe 2000-12-21 02:49:13 +00:00
parent 3c07b4c2ee
commit 895959b736
1 changed files with 42 additions and 23 deletions
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65
demos/tunala/tunala.c
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@ -69,8 +69,9 @@ typedef struct _tunala_world_t {
static SSL_CTX *initialise_ssl_ctx(int server_mode, const char *engine_id,
const char *CAfile, const char *cert, const char *key,
const char *dcert, const char *dkey, const char *cipher_list,
const char *dh_file, const char *dh_special, int out_state,
int out_verify, int verify_mode, unsigned int verify_depth);
const char *dh_file, const char *dh_special, int ctx_options,
int out_state, int out_verify, int verify_mode,
unsigned int verify_depth);
static void selector_init(tunala_selector_t *selector);
static void selector_add_listener(tunala_selector_t *selector, int fd);
static void selector_add_tunala(tunala_selector_t *selector, tunala_item_t *t);
@ -100,11 +101,12 @@ static int def_server_mode = 0;
static const char *def_cipher_list = NULL;
static const char *def_dh_file = NULL;
static const char *def_dh_special = NULL;
static int def_ctx_options = 0;
static int def_verify_mode = 0;
static unsigned int def_verify_depth = 10;
static int def_out_state = 0;
static unsigned int def_out_verify = 0;
static int def_out_totals = 0;
static int def_verify_mode = 0;
static unsigned int def_verify_depth = 10;
static const char *helpstring =
"\n'Tunala' (A tunneler with a New Zealand accent)\n"
@ -122,13 +124,16 @@ static const char *helpstring =
" -cipher <list> (specifies cipher list to use)\n"
" -dh_file <path> (a PEM file containing DH parameters to use)\n"
" -dh_special <NULL|generate|standard> (see below: def=NULL)\n"
" -out_state (prints SSL handshake states)\n"
" -out_verify <0|1|2|3> (prints certificate verification states: def=1)\n"
" -out_totals (prints out byte-totals when a tunnel closes)\n"
" -no_ssl2 (disable SSLv2)\n"
" -no_ssl3 (disable SSLv3)\n"
" -no_tls1 (disable TLSv1)\n"
" -v_peer (verify the peer certificate)\n"
" -v_strict (do not continue if peer doesn't authenticate)\n"
" -v_once (no verification in renegotiates)\n"
" -v_depth <num> (limit certificate chain depth, default = 10)\n"
" -out_state (prints SSL handshake states)\n"
" -out_verify <0|1|2|3> (prints certificate verification states: def=1)\n"
" -out_totals (prints out byte-totals when a tunnel closes)\n"
" -<h|help|?> (displays this help screen)\n"
"Notes:\n"
"(1) It is recommended to specify a cert+key when operating as an SSL server.\n"
@ -292,11 +297,12 @@ int main(int argc, char *argv[])
const char *cipher_list = def_cipher_list;
const char *dh_file = def_dh_file;
const char *dh_special = def_dh_special;
int ctx_options = def_ctx_options;
int verify_mode = def_verify_mode;
unsigned int verify_depth = def_verify_depth;
int out_state = def_out_state;
unsigned int out_verify = def_out_verify;
int out_totals = def_out_totals;
int verify_mode = def_verify_mode;
unsigned int verify_depth = def_verify_depth;
/* Parse command-line arguments */
next_arg:
@ -404,18 +410,14 @@ next_arg:
if(!parse_dh_special(*argv, &dh_special))
return 1;
goto next_arg;
} else if(strcmp(*argv, "-out_state") == 0) {
out_state = 1;
} else if(strcmp(*argv, "-no_ssl2") == 0) {
ctx_options |= SSL_OP_NO_SSLv2;
goto next_arg;
} else if(strcmp(*argv, "-out_verify") == 0) {
if(argc < 2)
return usage("-out_verify requires an argument", 0);
argc--; argv++;
if(!parse_verify_level(*argv, &out_verify))
return 1;
} else if(strcmp(*argv, "-no_ssl3") == 0) {
ctx_options |= SSL_OP_NO_SSLv3;
goto next_arg;
} else if(strcmp(*argv, "-out_totals") == 0) {
out_totals = 1;
} else if(strcmp(*argv, "-no_tls1") == 0) {
ctx_options |= SSL_OP_NO_TLSv1;
goto next_arg;
} else if(strcmp(*argv, "-v_peer") == 0) {
verify_mode |= SSL_VERIFY_PEER;
@ -433,6 +435,19 @@ next_arg:
if(!parse_verify_depth(*argv, &verify_depth))
return 1;
goto next_arg;
} else if(strcmp(*argv, "-out_state") == 0) {
out_state = 1;
goto next_arg;
} else if(strcmp(*argv, "-out_verify") == 0) {
if(argc < 2)
return usage("-out_verify requires an argument", 0);
argc--; argv++;
if(!parse_verify_level(*argv, &out_verify))
return 1;
goto next_arg;
} else if(strcmp(*argv, "-out_totals") == 0) {
out_totals = 1;
goto next_arg;
} else if((strcmp(*argv, "-h") == 0) ||
(strcmp(*argv, "-help") == 0) ||
(strcmp(*argv, "-?") == 0)) {
@ -449,8 +464,8 @@ next_arg:
/* Create the SSL_CTX */
if((world.ssl_ctx = initialise_ssl_ctx(server_mode, engine_id,
cacert, cert, key, dcert, dkey, cipher_list, dh_file,
dh_special, out_state, out_verify, verify_mode,
verify_depth)) == NULL)
dh_special, ctx_options, out_state, out_verify,
verify_mode, verify_depth)) == NULL)
return err_str1("initialise_ssl_ctx(engine_id=%s) failed",
(engine_id == NULL) ? "NULL" : engine_id);
err_str1("initialise_ssl_ctx(engine_id=%s) succeeded",
@ -680,8 +695,9 @@ do_it:
static SSL_CTX *initialise_ssl_ctx(int server_mode, const char *engine_id,
const char *CAfile, const char *cert, const char *key,
const char *dcert, const char *dkey, const char *cipher_list,
const char *dh_file, const char *dh_special, int out_state,
int out_verify, int verify_mode, unsigned int verify_depth)
const char *dh_file, const char *dh_special, int ctx_options,
int out_state, int out_verify, int verify_mode,
unsigned int verify_depth)
{
SSL_CTX *ctx, *ret = NULL;
SSL_METHOD *meth;
@ -747,6 +763,9 @@ static SSL_CTX *initialise_ssl_ctx(int server_mode, const char *engine_id,
if((dh_file || dh_special) && !ctx_set_dh(ctx, dh_file, dh_special))
goto err;
/* ctx_options */
SSL_CTX_set_options(ctx, ctx_options);
/* out_state (output of SSL handshake states to screen). */
if(out_state)
cb_ssl_info_set_output(stderr);