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authorPatrick Monnerat <pm@datasphere.ch>2013-07-15 18:16:13 +0200
committerPatrick Monnerat <pm@datasphere.ch>2013-07-15 18:16:13 +0200
commit3a24cb7bc456366cbc3a03f7ab6d2576105a1f2d (patch)
treeead626ea302a8708b356930707610926443415d1 /lib/x509asn1.h
parente839446c2a5558ffd43eb8c381c7485c2d9a210c (diff)
downloadcurl-3a24cb7bc456366cbc3a03f7ab6d2576105a1f2d.tar.gz
x509asn1.c,x509asn1.h: new module to support ASN.1/X509 parsing & info extract
Use from qssl backend
Diffstat (limited to 'lib/x509asn1.h')
-rw-r--r--lib/x509asn1.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/lib/x509asn1.h b/lib/x509asn1.h
new file mode 100644
index 000000000..8eabf8b0b
--- /dev/null
+++ b/lib/x509asn1.h
@@ -0,0 +1,129 @@
+#ifndef HEADER_CURL_X509ASN1_H
+#define HEADER_CURL_X509ASN1_H
+
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_QSOSSL)
+
+#include "urldata.h"
+
+/*
+ * Constants.
+ */
+
+/* ASN.1 classes. */
+#define CURL_ASN1_UNIVERSAL 0
+#define CURL_ASN1_APPLICATION 1
+#define CURL_ASN1_CONTEXT_SPECIFIC 2
+#define CURL_ASN1_PRIVATE 3
+
+/* ASN.1 types. */
+#define CURL_ASN1_BOOLEAN 1
+#define CURL_ASN1_INTEGER 2
+#define CURL_ASN1_BIT_STRING 3
+#define CURL_ASN1_OCTET_STRING 4
+#define CURL_ASN1_NULL 5
+#define CURL_ASN1_OBJECT_IDENTIFIER 6
+#define CURL_ASN1_OBJECT_DESCRIPTOR 7
+#define CURL_ASN1_INSTANCE_OF 8
+#define CURL_ASN1_REAL 9
+#define CURL_ASN1_ENUMERATED 10
+#define CURL_ASN1_EMBEDDED 11
+#define CURL_ASN1_UTF8_STRING 12
+#define CURL_ASN1_RELATIVE_OID 13
+#define CURL_ASN1_SEQUENCE 16
+#define CURL_ASN1_SET 17
+#define CURL_ASN1_NUMERIC_STRING 18
+#define CURL_ASN1_PRINTABLE_STRING 19
+#define CURL_ASN1_TELETEX_STRING 20
+#define CURL_ASN1_VIDEOTEX_STRING 21
+#define CURL_ASN1_IA5_STRING 22
+#define CURL_ASN1_UTC_TIME 23
+#define CURL_ASN1_GENERALIZED_TIME 24
+#define CURL_ASN1_GRAPHIC_STRING 25
+#define CURL_ASN1_VISIBLE_STRING 26
+#define CURL_ASN1_GENERAL_STRING 27
+#define CURL_ASN1_UNIVERSAL_STRING 28
+#define CURL_ASN1_CHARACTER_STRING 29
+#define CURL_ASN1_BMP_STRING 30
+
+
+/*
+ * Types.
+ */
+
+/* ASN.1 parsed element. */
+typedef struct {
+ const char * beg; /* Pointer to element data. */
+ const char * end; /* Pointer to 1st byte after element data. */
+ unsigned char class; /* ASN.1 element class. */
+ unsigned char tag; /* ASN.1 element tag. */
+ bool constructed; /* Element is constructed. */
+} curl_asn1Element;
+
+
+/* ASN.1 OID table entry. */
+typedef struct {
+ const char * numoid; /* Dotted-numeric OID. */
+ const char * textoid; /* OID name. */
+} curl_OID;
+
+
+/* X509 certificate: RFC 5280. */
+typedef struct {
+ curl_asn1Element certificate;
+ curl_asn1Element version;
+ curl_asn1Element serialNumber;
+ curl_asn1Element signatureAlgorithm;
+ curl_asn1Element signature;
+ curl_asn1Element issuer;
+ curl_asn1Element notBefore;
+ curl_asn1Element notAfter;
+ curl_asn1Element subject;
+ curl_asn1Element subjectPublicKeyAlgorithm;
+ curl_asn1Element subjectPublicKey;
+ curl_asn1Element issuerUniqueID;
+ curl_asn1Element subjectUniqueID;
+ curl_asn1Element extensions;
+} curl_X509certificate;
+
+
+/*
+ * Prototypes.
+ */
+
+const char * Curl_getASN1Element(curl_asn1Element * elem,
+ const char * beg, const char * end);
+const char * Curl_ASN1tostr(curl_asn1Element * elem, int type);
+const char * Curl_DNtostr(curl_asn1Element * dn);
+void Curl_parseX509(curl_X509certificate * cert,
+ const char * beg, const char * end);
+CURLcode Curl_extract_certinfo(struct connectdata * conn, int certnum,
+ const char * beg, const char * end);
+CURLcode Curl_verifyhost(struct connectdata * conn,
+ const char * beg, const char * end);
+
+#endif /* USE_QSOSSL */
+#endif /* HEADER_CURL_X509ASN1_H */