mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
144 lines
4.1 KiB
C
144 lines
4.1 KiB
C
#include "tunala.h"
|
|
|
|
#ifndef NO_OPENSSL
|
|
|
|
/* For callbacks generating output, here are their file-descriptors. */
|
|
static FILE *fp_cb_ssl_info = NULL;
|
|
static FILE *fp_cb_ssl_verify = NULL;
|
|
/* Output level:
|
|
* 0 = nothing,
|
|
* 1 = minimal, just errors,
|
|
* 2 = minimal, all steps,
|
|
* 3 = detail, all steps */
|
|
static unsigned int cb_ssl_verify_level = 1;
|
|
|
|
/* Other static rubbish (to mirror s_cb.c where required) */
|
|
static int int_verify_depth = 10;
|
|
|
|
/* This function is largely borrowed from the one used in OpenSSL's "s_client"
|
|
* and "s_server" utilities. */
|
|
void cb_ssl_info(const SSL *s, int where, int ret)
|
|
{
|
|
const char *str1, *str2;
|
|
int w;
|
|
|
|
if(!fp_cb_ssl_info)
|
|
return;
|
|
|
|
w = where & ~SSL_ST_MASK;
|
|
str1 = (w & SSL_ST_CONNECT ? "SSL_connect" : (w & SSL_ST_ACCEPT ?
|
|
"SSL_accept" : "undefined")),
|
|
str2 = SSL_state_string_long(s);
|
|
|
|
if (where & SSL_CB_LOOP)
|
|
fprintf(fp_cb_ssl_info, "(%s) %s\n", str1, str2);
|
|
else if (where & SSL_CB_EXIT) {
|
|
if (ret == 0)
|
|
fprintf(fp_cb_ssl_info, "(%s) failed in %s\n", str1, str2);
|
|
/* In a non-blocking model, we get a few of these "error"s simply because we're
|
|
* calling "reads" and "writes" on the state-machine that are virtual NOPs
|
|
* simply to avoid wasting the time seeing if we *should* call them. Removing
|
|
* this case makes the "-out_state" output a lot easier on the eye. */
|
|
#if 0
|
|
else if (ret < 0)
|
|
fprintf(fp_cb_ssl_info, "%s:error in %s\n", str1, str2);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void cb_ssl_info_set_output(FILE *fp)
|
|
{
|
|
fp_cb_ssl_info = fp;
|
|
}
|
|
|
|
static const char *int_reason_no_issuer = "X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT";
|
|
static const char *int_reason_not_yet = "X509_V_ERR_CERT_NOT_YET_VALID";
|
|
static const char *int_reason_before = "X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD";
|
|
static const char *int_reason_expired = "X509_V_ERR_CERT_HAS_EXPIRED";
|
|
static const char *int_reason_after = "X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD";
|
|
|
|
/* Stolen wholesale from apps/s_cb.c :-) And since then, mutilated ... */
|
|
int cb_ssl_verify(int ok, X509_STORE_CTX *ctx)
|
|
{
|
|
char buf1[256]; /* Used for the subject name */
|
|
char buf2[256]; /* Used for the issuer name */
|
|
const char *reason = NULL; /* Error reason (if any) */
|
|
X509 *err_cert;
|
|
int err, depth;
|
|
|
|
if(!fp_cb_ssl_verify || (cb_ssl_verify_level == 0))
|
|
return ok;
|
|
err_cert = X509_STORE_CTX_get_current_cert(ctx);
|
|
err = X509_STORE_CTX_get_error(ctx);
|
|
depth = X509_STORE_CTX_get_error_depth(ctx);
|
|
|
|
buf1[0] = buf2[0] = '\0';
|
|
/* Fill buf1 */
|
|
X509_NAME_oneline(X509_get_subject_name(err_cert), buf1, 256);
|
|
/* Fill buf2 */
|
|
X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert), buf2, 256);
|
|
switch (ctx->error) {
|
|
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
|
|
reason = int_reason_no_issuer;
|
|
break;
|
|
case X509_V_ERR_CERT_NOT_YET_VALID:
|
|
reason = int_reason_not_yet;
|
|
break;
|
|
case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
|
|
reason = int_reason_before;
|
|
break;
|
|
case X509_V_ERR_CERT_HAS_EXPIRED:
|
|
reason = int_reason_expired;
|
|
break;
|
|
case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
|
|
reason = int_reason_after;
|
|
break;
|
|
}
|
|
|
|
if((cb_ssl_verify_level == 1) && ok)
|
|
return ok;
|
|
fprintf(fp_cb_ssl_verify, "chain-depth=%d, ", depth);
|
|
if(reason)
|
|
fprintf(fp_cb_ssl_verify, "error=%s\n", reason);
|
|
else
|
|
fprintf(fp_cb_ssl_verify, "error=%d\n", err);
|
|
if(cb_ssl_verify_level < 3)
|
|
return ok;
|
|
fprintf(fp_cb_ssl_verify, "--> subject = %s\n", buf1);
|
|
fprintf(fp_cb_ssl_verify, "--> issuer = %s\n", buf2);
|
|
if(!ok)
|
|
fprintf(fp_cb_ssl_verify,"--> verify error:num=%d:%s\n",err,
|
|
X509_verify_cert_error_string(err));
|
|
fprintf(fp_cb_ssl_verify, "--> verify return:%d\n",ok);
|
|
return ok;
|
|
}
|
|
|
|
void cb_ssl_verify_set_output(FILE *fp)
|
|
{
|
|
fp_cb_ssl_verify = fp;
|
|
}
|
|
|
|
void cb_ssl_verify_set_depth(unsigned int verify_depth)
|
|
{
|
|
int_verify_depth = verify_depth;
|
|
}
|
|
|
|
void cb_ssl_verify_set_level(unsigned int level)
|
|
{
|
|
if(level < 4)
|
|
cb_ssl_verify_level = level;
|
|
}
|
|
|
|
RSA *cb_generate_tmp_rsa(SSL *s, int is_export, int keylength)
|
|
{
|
|
/* TODO: Perhaps make it so our global key can be generated on-the-fly
|
|
* after certain intervals? */
|
|
static RSA *rsa_tmp = NULL;
|
|
if(!rsa_tmp)
|
|
rsa_tmp = RSA_generate_key(keylength, RSA_F4, NULL, NULL);
|
|
return rsa_tmp;
|
|
}
|
|
|
|
#endif /* !defined(NO_OPENSSL) */
|
|
|