- {
- BIO *in;
- int ret=0;
- X509 *x=NULL;
-
- ERR_clear_error(); /* clear error stack for SSL_CTX_use_certificate() */
-
- in=BIO_new(BIO_s_file_internal());
- if (in == NULL)
- {
- SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE,ERR_R_BUF_LIB);
- goto end;
- }
-
- if (BIO_read_filename(in,file) <= 0)
- {
- SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE,ERR_R_SYS_LIB);
- goto end;
- }
-
- x=PEM_read_bio_X509(in,NULL,ctx->default_passwd_callback,ctx->default_passwd_callback_userdata);
- if (x == NULL)
- {
- SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE,ERR_R_PEM_LIB);
- goto end;
- }
-
- ret=SSL_CTX_use_certificate(ctx,x);
- if (ERR_peek_error() != 0)
- ret = 0; /* Key/certificate mismatch doesn't imply ret==0 ... */
- if (ret)
- {
- /* If we could set up our certificate, now proceed to
- * the CA certificates.
- */
- X509 *ca;
- int r;
- unsigned long err;
-
- if (ctx->extra_certs != NULL)
- {
- sk_X509_pop_free(ctx->extra_certs, X509_free);
- ctx->extra_certs = NULL;
- }
-
- while ((ca = PEM_read_bio_X509(in,NULL,ctx->default_passwd_callback,ctx->default_passwd_callback_userdata))
- != NULL)
- {
- r = SSL_CTX_add_extra_chain_cert(ctx, ca);
- if (!r)
- {
- X509_free(ca);
- ret = 0;
- goto end;
- }
- /* Note that we must not free r if it was successfully
- * added to the chain (while we must free the main
- * certificate, since its reference count is increased
- * by SSL_CTX_use_certificate). */
- }
- /* When the while loop ends, it's usually just EOF. */
- err = ERR_peek_last_error();
- if (ERR_GET_LIB(err) == ERR_LIB_PEM && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
- ERR_clear_error();
- else
- ret = 0; /* some real error */
- }
-
-end:
- if (x != NULL) X509_free(x);
- if (in != NULL) BIO_free(in);
- return(ret);
- }
+{
+ BIO *in;
+ int ret = 0;
+ X509 *x = NULL;
+
+ ERR_clear_error(); /* clear error stack for
+ * SSL_CTX_use_certificate() */
+
+ in = BIO_new(BIO_s_file_internal());
+ if (in == NULL) {
+ SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
+ goto end;
+ }
+
+ if (BIO_read_filename(in, file) <= 0) {
+ SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_SYS_LIB);
+ goto end;
+ }
+
+ x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
+ ctx->default_passwd_callback_userdata);
+ if (x == NULL) {
+ SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
+ goto end;
+ }
+
+ ret = SSL_CTX_use_certificate(ctx, x);
+
+ if (ERR_peek_error() != 0)
+ ret = 0; /* Key/certificate mismatch doesn't imply
+ * ret==0 ... */
+ if (ret) {
+ /*
+ * If we could set up our certificate, now proceed to the CA
+ * certificates.
+ */
+ X509 *ca;
+ int r;
+ unsigned long err;
+
+ if (ctx->extra_certs != NULL) {
+ sk_X509_pop_free(ctx->extra_certs, X509_free);
+ ctx->extra_certs = NULL;
+ }
+
+ while ((ca = PEM_read_bio_X509(in, NULL,
+ ctx->default_passwd_callback,
+ ctx->default_passwd_callback_userdata))
+ != NULL) {
+ r = SSL_CTX_add_extra_chain_cert(ctx, ca);
+ if (!r) {
+ X509_free(ca);
+ ret = 0;
+ goto end;
+ }
+ /*
+ * Note that we must not free r if it was successfully added to
+ * the chain (while we must free the main certificate, since its
+ * reference count is increased by SSL_CTX_use_certificate).
+ */
+ }
+ /* When the while loop ends, it's usually just EOF. */
+ err = ERR_peek_last_error();
+ if (ERR_GET_LIB(err) == ERR_LIB_PEM
+ && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
+ ERR_clear_error();
+ else
+ ret = 0; /* some real error */
+ }
+
+ end:
+ if (x != NULL)
+ X509_free(x);
+ if (in != NULL)
+ BIO_free(in);
+ return (ret);
+}