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Ensure the max_early_data option to s_server can be 0 

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2737)
This commit is contained in:
Matt Caswell 2017-02-23 16:54:11 +00:00
parent bfa9a9afe8
commit 6746648c42
1 changed files with 7 additions and 3 deletions
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10
apps/s_server.c
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@ -918,7 +918,7 @@ const OPTIONS s_server_options[] = {
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
{"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
{"max_early_data", OPT_MAX_EARLY, 'p',
{"max_early_data", OPT_MAX_EARLY, 'n',
"The maximum number of bytes of early data"},
{"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"},
{NULL, OPT_EOF, 0, NULL}
@ -997,7 +997,7 @@ int s_server_main(int argc, char *argv[])
unsigned int split_send_fragment = 0, max_pipelines = 0;
const char *s_serverinfo_file = NULL;
const char *keylog_file = NULL;
uint32_t max_early_data = 0;
int max_early_data = -1;
/* Init of few remaining global variables */
local_argc = argc;
@ -1508,6 +1508,10 @@ int s_server_main(int argc, char *argv[])
break;
case OPT_MAX_EARLY:
max_early_data = atoi(opt_arg());
if (max_early_data < 0) {
BIO_printf(bio_err, "Invalid value for max_early_data\n");
goto end;
}
break;
case OPT_EARLY_DATA:
early_data = 1;
@ -2002,7 +2006,7 @@ int s_server_main(int argc, char *argv[])
if (set_keylog_file(ctx, keylog_file))
goto end;
if (max_early_data > 0)
if (max_early_data >= 0)
SSL_CTX_set_max_early_data(ctx, max_early_data);
BIO_printf(bio_s_out, "ACCEPT\n");