diff options
Diffstat (limited to 'crypto/ocsp/ocsp_ht.c')
| -rw-r--r-- | crypto/ocsp/ocsp_ht.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/crypto/ocsp/ocsp_ht.c b/crypto/ocsp/ocsp_ht.c new file mode 100644 index 0000000..9213e58 --- /dev/null +++ b/crypto/ocsp/ocsp_ht.c @@ -0,0 +1,173 @@ +/* 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> +#ifdef OPENSSL_SYS_SUNOS +#define strtoul (unsigned long)strtol +#endif /* OPENSSL_SYS_SUNOS */ + +/* 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, sizeof tmpbuf))) { + 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 + * (optional) informational message. + */ + + /* Skip to first white space (passed protocol info) */ + for(p = tmpbuf; *p && !isspace((unsigned char)*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((unsigned char)*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((unsigned char)*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((unsigned char)*q)) q++; + if(*q) { + /* 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((unsigned char)*r); r--) *r = 0; + } + if(retcode != 200) { + OCSPerr(OCSP_F_OCSP_SENDREQ_BIO,OCSP_R_SERVER_RESPONSE_ERROR); + if(!*q) { + ERR_add_error_data(2, "Code=", p); + } + else { + 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((unsigned char)*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; +} |
