+/* ocsp_ht.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <openssl/asn1.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include <openssl/ocsp.h>
+#include <openssl/err.h>
+#include <openssl/buffer.h>
+
+/* Quick and dirty HTTP OCSP request handler.
+ * Could make this a bit cleverer by adding
+ * support for non blocking BIOs and a few
+ * other refinements.
+ */
+
+OCSP_RESPONSE *OCSP_sendreq_bio(BIO *b, char *path, OCSP_REQUEST *req)
+{
+ BIO *mem = NULL;
+ char tmpbuf[1024];
+ OCSP_RESPONSE *resp = NULL;
+ char *p, *q, *r;
+ int len, retcode;
+ static char req_txt[] =
+"POST %s HTTP/1.0\r\n\
+Content-Type:application/ocsp-request\r\n\
+Content-length: %d\r\n\r\n";
+
+ len = i2d_OCSP_REQUEST(req, NULL);
+ if(BIO_printf(b, req_txt, path, len) < 0) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_SERVER_WRITE_ERROR);
+ goto err;
+ }
+ if(i2d_OCSP_REQUEST_bio(b, req) <= 0) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_SERVER_WRITE_ERROR);
+ goto err;
+ }
+ if(!(mem = BIO_new(BIO_s_mem()))) goto err;
+ /* Copy response to a memory BIO: socket bios can't do gets! */
+ while ((len = BIO_read(b, tmpbuf, 1024))) {
+ if(len < 0) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_SERVER_READ_ERROR);
+ goto err;
+ }
+ BIO_write(mem, tmpbuf, len);
+ }
+ if(BIO_gets(mem, tmpbuf, 512) <= 0) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_SERVER_RESPONSE_PARSE_ERROR);
+ goto err;
+ }
+ /* Parse the HTTP response. This will look like this:
+ * "HTTP/1.0 200 OK". We need to obtain the numeric code and
+ * informational message.
+ */
+
+ /* Skip to first white space (passed protocol info) */
+ for(p = tmpbuf; *p && !isspace(*p); p++) continue;
+ if(!*p) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_SERVER_RESPONSE_PARSE_ERROR);
+ goto err;
+ }
+ /* Skip past white space to start of response code */
+ while(*p && isspace(*p)) p++;
+ if(!*p) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_SERVER_RESPONSE_PARSE_ERROR);
+ goto err;
+ }
+ /* Find end of response code: first whitespace after start of code */
+ for(q = p; *q && !isspace(*q); q++) continue;
+ if(!*q) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_SERVER_RESPONSE_PARSE_ERROR);
+ goto err;
+ }
+ /* Set end of response code and start of message */
+ *q++ = 0;
+ /* Attempt to parse numeric code */
+ retcode = strtoul(p, &r, 10);
+ if(*r) goto err;
+ /* Skip over any leading white space in message */
+ while(*q && isspace(*q)) q++;
+ if(!*q) goto err;
+ /* Finally zap any trailing white space in message (include CRLF) */
+ /* We know q has a non white space character so this is OK */
+ for(r = q + strlen(q) - 1; isspace(*r); r--) *r = 0;
+ if(retcode != 200) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_SERVER_RESPONSE_ERROR);
+ ERR_add_error_data(4, "Code=", p, ",Reason=", q);
+ goto err;
+ }
+ /* Find blank line marking beginning of content */
+ while(BIO_gets(mem, tmpbuf, 512) > 0)
+ {
+ for(p = tmpbuf; *p && isspace(*p); p++) continue;
+ if(!*p) break;
+ }
+ if(*p) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_NO_CONTENT);
+ goto err;
+ }
+ if(!(resp = d2i_OCSP_RESPONSE_bio(mem, NULL))) {
+ OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,ERR_R_NESTED_ASN1_ERROR);
+ goto err;
+ }
+ err:
+ BIO_free(mem);
+ return resp;
+}
projects / openssl.git / commitdiff