diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/ocsp/ocsp_lib.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/ocsp/ocsp_lib.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/ocsp/ocsp_lib.c b/openssl-1.1.0h/crypto/ocsp/ocsp_lib.c new file mode 100644 index 0000000..8edd70a --- /dev/null +++ b/openssl-1.1.0h/crypto/ocsp/ocsp_lib.c @@ -0,0 +1,222 @@ +/* + * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/objects.h> +#include <openssl/x509.h> +#include <openssl/pem.h> +#include <openssl/x509v3.h> +#include <openssl/ocsp.h> +#include "ocsp_lcl.h" +#include <openssl/asn1t.h> + +/* Convert a certificate and its issuer to an OCSP_CERTID */ + +OCSP_CERTID *OCSP_cert_to_id(const EVP_MD *dgst, const X509 *subject, + const X509 *issuer) +{ + X509_NAME *iname; + const ASN1_INTEGER *serial; + ASN1_BIT_STRING *ikey; + if (!dgst) + dgst = EVP_sha1(); + if (subject) { + iname = X509_get_issuer_name(subject); + serial = X509_get0_serialNumber(subject); + } else { + iname = X509_get_subject_name(issuer); + serial = NULL; + } + ikey = X509_get0_pubkey_bitstr(issuer); + return OCSP_cert_id_new(dgst, iname, ikey, serial); +} + +OCSP_CERTID *OCSP_cert_id_new(const EVP_MD *dgst, + const X509_NAME *issuerName, + const ASN1_BIT_STRING *issuerKey, + const ASN1_INTEGER *serialNumber) +{ + int nid; + unsigned int i; + X509_ALGOR *alg; + OCSP_CERTID *cid = NULL; + unsigned char md[EVP_MAX_MD_SIZE]; + + if ((cid = OCSP_CERTID_new()) == NULL) + goto err; + + alg = &cid->hashAlgorithm; + ASN1_OBJECT_free(alg->algorithm); + if ((nid = EVP_MD_type(dgst)) == NID_undef) { + OCSPerr(OCSP_F_OCSP_CERT_ID_NEW, OCSP_R_UNKNOWN_NID); + goto err; + } + if ((alg->algorithm = OBJ_nid2obj(nid)) == NULL) + goto err; + if ((alg->parameter = ASN1_TYPE_new()) == NULL) + goto err; + alg->parameter->type = V_ASN1_NULL; + + if (!X509_NAME_digest(issuerName, dgst, md, &i)) + goto digerr; + if (!(ASN1_OCTET_STRING_set(&cid->issuerNameHash, md, i))) + goto err; + + /* Calculate the issuerKey hash, excluding tag and length */ + if (!EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL)) + goto err; + + if (!(ASN1_OCTET_STRING_set(&cid->issuerKeyHash, md, i))) + goto err; + + if (serialNumber) { + if (ASN1_STRING_copy(&cid->serialNumber, serialNumber) == 0) + goto err; + } + return cid; + digerr: + OCSPerr(OCSP_F_OCSP_CERT_ID_NEW, OCSP_R_DIGEST_ERR); + err: + OCSP_CERTID_free(cid); + return NULL; +} + +int OCSP_id_issuer_cmp(OCSP_CERTID *a, OCSP_CERTID *b) +{ + int ret; + ret = OBJ_cmp(a->hashAlgorithm.algorithm, b->hashAlgorithm.algorithm); + if (ret) + return ret; + ret = ASN1_OCTET_STRING_cmp(&a->issuerNameHash, &b->issuerNameHash); + if (ret) + return ret; + return ASN1_OCTET_STRING_cmp(&a->issuerKeyHash, &b->issuerKeyHash); +} + +int OCSP_id_cmp(OCSP_CERTID *a, OCSP_CERTID *b) +{ + int ret; + ret = OCSP_id_issuer_cmp(a, b); + if (ret) + return ret; + return ASN1_INTEGER_cmp(&a->serialNumber, &b->serialNumber); +} + +/* + * Parse a URL and split it up into host, port and path components and + * whether it is SSL. + */ + +int OCSP_parse_url(const char *url, char **phost, char **pport, char **ppath, + int *pssl) +{ + char *p, *buf; + + char *host, *port; + + *phost = NULL; + *pport = NULL; + *ppath = NULL; + + /* dup the buffer since we are going to mess with it */ + buf = OPENSSL_strdup(url); + if (!buf) + goto mem_err; + + /* Check for initial colon */ + p = strchr(buf, ':'); + + if (!p) + goto parse_err; + + *(p++) = '\0'; + + if (strcmp(buf, "http") == 0) { + *pssl = 0; + port = "80"; + } else if (strcmp(buf, "https") == 0) { + *pssl = 1; + port = "443"; + } else + goto parse_err; + + /* Check for double slash */ + if ((p[0] != '/') || (p[1] != '/')) + goto parse_err; + + p += 2; + + host = p; + + /* Check for trailing part of path */ + + p = strchr(p, '/'); + + if (!p) + *ppath = OPENSSL_strdup("/"); + else { + *ppath = OPENSSL_strdup(p); + /* Set start of path to 0 so hostname is valid */ + *p = '\0'; + } + + if (!*ppath) + goto mem_err; + + p = host; + if (host[0] == '[') { + /* ipv6 literal */ + host++; + p = strchr(host, ']'); + if (!p) + goto parse_err; + *p = '\0'; + p++; + } + + /* Look for optional ':' for port number */ + if ((p = strchr(p, ':'))) { + *p = 0; + port = p + 1; + } + + *pport = OPENSSL_strdup(port); + if (!*pport) + goto mem_err; + + *phost = OPENSSL_strdup(host); + + if (!*phost) + goto mem_err; + + OPENSSL_free(buf); + + return 1; + + mem_err: + OCSPerr(OCSP_F_OCSP_PARSE_URL, ERR_R_MALLOC_FAILURE); + goto err; + + parse_err: + OCSPerr(OCSP_F_OCSP_PARSE_URL, OCSP_R_ERROR_PARSING_URL); + + err: + OPENSSL_free(buf); + OPENSSL_free(*ppath); + *ppath = NULL; + OPENSSL_free(*pport); + *pport = NULL; + OPENSSL_free(*phost); + *phost = NULL; + return 0; + +} + +IMPLEMENT_ASN1_DUP_FUNCTION(OCSP_CERTID) |