+++ /dev/null
-#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;
- BIGNUM *bn = NULL;
- int ok = 1;
- if(!rsa_tmp) {
- ok = 0;
- if(!(bn = BN_new()))
- goto end;
- if(!BN_set_word(bn, RSA_F4))
- goto end;
- if(!(rsa_tmp = RSA_new()))
- goto end;
- if(!RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
- goto end;
- ok = 1;
- }
-end:
- if(bn)
- BN_free(bn);
- if(!ok) {
- RSA_free(rsa_tmp);
- rsa_tmp = NULL;
- }
- return rsa_tmp;
-}
-
-#endif /* !defined(NO_OPENSSL) */
-
projects / cassiopeia.git / blobdiff