Simplify buffer limit checking, and reuse BIO_snprintf returned value.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1284)
This commit is contained in:
FdaSilvaYY 2016-07-05 19:48:23 +02:00 committed by Rich Salz
parent edbff8da9b
commit 7606c231c9

View file

@ -41,8 +41,6 @@
#undef BUFSIZZ
#define BUFSIZZ 1024*10
#define MYBUFSIZ 1024*8
#undef min
#undef max
#define min(a,b) (((a) < (b)) ? (a) : (b))
@ -57,6 +55,8 @@ extern int verify_error;
static SSL *doConnection(SSL *scon, const char *host, SSL_CTX *ctx);
static const char fmt_http_get_cmd[] = "GET %s HTTP/1.0\r\n\r\n";
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_CONNECT, OPT_CIPHER, OPT_CERT, OPT_KEY, OPT_CAPATH,
@ -109,11 +109,11 @@ int s_time_main(int argc, char **argv)
char *host = SSL_CONNECT_NAME, *certfile = NULL, *keyfile = NULL, *prog;
double totalTime = 0.0;
int noCApath = 0, noCAfile = 0;
int maxtime = SECONDS, nConn = 0, perform = 3, ret = 1, i, st_bugs =
0, ver;
int maxtime = SECONDS, nConn = 0, perform = 3, ret = 1, i, st_bugs = 0;
long bytes_read = 0, finishtime = 0;
OPTION_CHOICE o;
int max_version = 0;
int max_version = 0, ver, buf_len;
size_t buf_size;
meth = TLS_client_method();
verify_depth = 0;
@ -176,8 +176,9 @@ int s_time_main(int argc, char **argv)
break;
case OPT_WWW:
www_path = opt_arg();
if (strlen(www_path) > MYBUFSIZ - 100) {
BIO_printf(bio_err, "%s: -www option too long\n", prog);
buf_size = strlen(www_path) + sizeof(fmt_http_get_cmd) - 2; /* 2 is for %s */
if (buf_size > sizeof(buf)) {
BIO_printf(bio_err, "%s: -www option is too long\n", prog);
goto end;
}
break;
@ -232,9 +233,9 @@ int s_time_main(int argc, char **argv)
goto end;
if (www_path != NULL) {
BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n",
www_path);
if (SSL_write(scon, buf, strlen(buf)) <= 0)
buf_len = BIO_snprintf(buf, sizeof buf,
fmt_http_get_cmd, www_path);
if (SSL_write(scon, buf, buf_len) <= 0)
goto end;
while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
bytes_read += i;
@ -290,8 +291,9 @@ int s_time_main(int argc, char **argv)
}
if (www_path != NULL) {
BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n", www_path);
if (SSL_write(scon, buf, strlen(buf)) <= 0)
buf_len = BIO_snprintf(buf, sizeof buf,
fmt_http_get_cmd, www_path);
if (SSL_write(scon, buf, buf_len) <= 0)
goto end;
while (SSL_read(scon, buf, sizeof(buf)) > 0)
continue;