diff options
Diffstat (limited to 'docs/api/xmlsec-examples-sign-dynamimc-template.html')
| -rw-r--r-- | docs/api/xmlsec-examples-sign-dynamimc-template.html | 406 |
1 files changed, 406 insertions, 0 deletions
diff --git a/docs/api/xmlsec-examples-sign-dynamimc-template.html b/docs/api/xmlsec-examples-sign-dynamimc-template.html new file mode 100644 index 00000000..2d47acdb --- /dev/null +++ b/docs/api/xmlsec-examples-sign-dynamimc-template.html @@ -0,0 +1,406 @@ +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>Signing a dynamicaly created template.</title> +<meta name="GENERATOR" content="Modular DocBook HTML Stylesheet Version 1.79"> +<link rel="HOME" title="XML Security Library Reference Manual" href="index.html"> +<link rel="UP" title="Examples." href="xmlsec-examples.html"> +<link rel="PREVIOUS" title="Signing a template file." href="xmlsec-examples-sign-template-file.html"> +<link rel="NEXT" title="Signing with X509 certificate." href="xmlsec-examples-sign-x509.html"> +<style type="text/css">.synopsis, .classsynopsis { + background: #eeeeee; + border: solid 1px #aaaaaa; + padding: 0.5em; +} +.programlisting { + background: #eeeeff; + border: solid 1px #aaaaff; + padding: 0.5em; +} +.variablelist { + padding: 4px; + margin-left: 3em; +} +.navigation { + background: #ffeeee; + border: solid 1px #ffaaaa; + margin-top: 0.5em; + margin-bottom: 0.5em; +} +.navigation a { + color: #770000; +} +.navigation a:visited { + color: #550000; +} +.navigation .title { + font-size: 200%; +}</style> +</head> +<body><table witdh="100%" valign="top"><tr valign="top"> +<td valign="top" align="left" width="210"> +<img src="../images/logo.gif" alt="XML Security Library" border="0"><p></p> +<ul> +<li><a href="../index.html">Home</a></li> +<li><a href="../download.html">Download</a></li> +<li><a href="../news.html">News</a></li> +<li><a href="../documentation.html">Documentation</a></li> +<ul> +<li><a href="../faq.html">FAQ</a></li> +<li><a href="../api/xmlsec-notes.html">Tutorial</a></li> +<li><a href="../api/xmlsec-reference.html">API reference</a></li> +<li><a href="../api/xmlsec-examples.html">Examples</a></li> +</ul> +<li><a href="../xmldsig.html">XML Digital Signature</a></li> +<ul><li><a href="http://www.aleksey.com/xmlsec/xmldsig-verifier.html">Online Verifier</a></li></ul> +<li><a href="../xmlenc.html">XML Encryption</a></li> +<li><a href="../c14n.html">XML Canonicalization</a></li> +<li><a href="../bugs.html">Reporting Bugs</a></li> +<li><a href="http://www.aleksey.com/pipermail/xmlsec">Mailing list</a></li> +<li><a href="../related.html">Related</a></li> +<li><a href="../authors.html">Authors</a></li> +</ul> +<table width="100%"> +<tr> +<td width="15"></td> +<td><a href="http://xmlsoft.org/"><img src="../images/libxml2-logo.png" alt="LibXML2" border="0"></a></td> +</tr> +<tr> +<td width="15"></td> +<td><a href="http://xmlsoft.org/XSLT"><img src="../images/libxslt-logo.png" alt="LibXSLT" border="0"></a></td> +</tr> +<tr> +<td width="15"></td> +<td><a href="http://www.openssl.org/"><img src="../images/openssl-logo.png" alt="OpenSSL" border="0"></a></td> +</tr> +<!--Links - start--><!--Links - end--> +</table> +</td> +<td valign="top"><table width="100%" valign="top"><tr><td valign="top" align="left" id="xmlsecContent"> +<table width="100%" class="navigation" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"> +<td><a accesskey="p" href="xmlsec-examples-sign-template-file.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> +<td><a accesskey="u" href="xmlsec-examples.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> +<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> +<th width="100%" align="center">XML Security Library Reference Manual</th> +<td><a accesskey="n" href="xmlsec-examples-sign-x509.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> +</tr></table> +<br clear="all"><div class="SECT1"> +<h1 class="SECT1"><a name="XMLSEC-EXAMPLES-SIGN-DYNAMIMC-TEMPLATE">Signing a dynamicaly created template.</a></h1> +<br clear="all"><div class="SECT2"> +<h2 class="SECT2"><a name="XMLSEC-EXAMPLE-SIGN2">sign2.c</a></h2> +<p></p> +<div class="INFORMALEXAMPLE"> +<p></p> +<a name="AEN667"></a><pre class="PROGRAMLISTING">/** + * XML Security Library example: Signing a file with a dynamicaly created template. + * + * Signs a file using a dynamicaly created template and key from PEM file. + * The signature has one reference with one enveloped transform to sign + * the whole document except the <dsig:Signature/> node itself. + * + * Usage: + * sign2 <xml-doc> <pem-key> + * + * Example: + * ./sign2 sign2-doc.xml rsakey.pem > sign2-res.xml + * + * The result signature could be validated using verify1 example: + * ./verify1 sign2-res.xml rsapub.pem + * + * This is free software; see Copyright file in the source + * distribution for preciese wording. + * + * Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com> + */ +#include <stdlib.h> +#include <string.h> +#include <assert.h> + +#include <libxml/tree.h> +#include <libxml/xmlmemory.h> +#include <libxml/parser.h> + +#ifndef XMLSEC_NO_XSLT +#include <libxslt/xslt.h> +#include <libxslt/security.h> +#endif /* XMLSEC_NO_XSLT */ + +#include <xmlsec/xmlsec.h> +#include <xmlsec/xmltree.h> +#include <xmlsec/xmldsig.h> +#include <xmlsec/templates.h> +#include <xmlsec/crypto.h> + +int sign_file(const char* xml_file, const char* key_file); + +int +main(int argc, char **argv) { +#ifndef XMLSEC_NO_XSLT + xsltSecurityPrefsPtr xsltSecPrefs = NULL; +#endif /* XMLSEC_NO_XSLT */ + + assert(argv); + + if(argc != 3) { + fprintf(stderr, "Error: wrong number of arguments.\n"); + fprintf(stderr, "Usage: %s <xml-file> <key-file>\n", argv[0]); + return(1); + } + + /* Init libxml and libxslt libraries */ + xmlInitParser(); + LIBXML_TEST_VERSION + xmlLoadExtDtdDefaultValue = XML_DETECT_IDS | XML_COMPLETE_ATTRS; + xmlSubstituteEntitiesDefault(1); +#ifndef XMLSEC_NO_XSLT + xmlIndentTreeOutput = 1; +#endif /* XMLSEC_NO_XSLT */ + + /* Init libxslt */ +#ifndef XMLSEC_NO_XSLT + /* disable everything */ + xsltSecPrefs = xsltNewSecurityPrefs(); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_READ_FILE, xsltSecurityForbid); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_WRITE_FILE, xsltSecurityForbid); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_CREATE_DIRECTORY, xsltSecurityForbid); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_READ_NETWORK, xsltSecurityForbid); + xsltSetSecurityPrefs(xsltSecPrefs, XSLT_SECPREF_WRITE_NETWORK, xsltSecurityForbid); + xsltSetDefaultSecurityPrefs(xsltSecPrefs); +#endif /* XMLSEC_NO_XSLT */ + + /* Init xmlsec library */ + if(xmlSecInit() < 0) { + fprintf(stderr, "Error: xmlsec initialization failed.\n"); + return(-1); + } + + /* Check loaded library version */ + if(xmlSecCheckVersion() != 1) { + fprintf(stderr, "Error: loaded xmlsec library version is not compatible.\n"); + return(-1); + } + + /* Load default crypto engine if we are supporting dynamic + * loading for xmlsec-crypto libraries. Use the crypto library + * name ("openssl", "nss", etc.) to load corresponding + * xmlsec-crypto library. + */ +#ifdef XMLSEC_CRYPTO_DYNAMIC_LOADING + if(xmlSecCryptoDLLoadLibrary(BAD_CAST XMLSEC_CRYPTO) < 0) { + fprintf(stderr, "Error: unable to load default xmlsec-crypto library. Make sure\n" + "that you have it installed and check shared libraries path\n" + "(LD_LIBRARY_PATH) envornment variable.\n"); + return(-1); + } +#endif /* XMLSEC_CRYPTO_DYNAMIC_LOADING */ + + /* Init crypto library */ + if(xmlSecCryptoAppInit(NULL) < 0) { + fprintf(stderr, "Error: crypto initialization failed.\n"); + return(-1); + } + + /* Init xmlsec-crypto library */ + if(xmlSecCryptoInit() < 0) { + fprintf(stderr, "Error: xmlsec-crypto initialization failed.\n"); + return(-1); + } + + if(sign_file(argv[1], argv[2]) < 0) { + return(-1); + } + + /* Shutdown xmlsec-crypto library */ + xmlSecCryptoShutdown(); + + /* Shutdown crypto library */ + xmlSecCryptoAppShutdown(); + + /* Shutdown xmlsec library */ + xmlSecShutdown(); + + /* Shutdown libxslt/libxml */ +#ifndef XMLSEC_NO_XSLT + xsltFreeSecurityPrefs(xsltSecPrefs); + xsltCleanupGlobals(); +#endif /* XMLSEC_NO_XSLT */ + xmlCleanupParser(); + + return(0); +} + +/** + * sign_file: + * @xml_file: the XML file name. + * @key_file: the PEM private key file name. + * + * Signs the #xml_file using private key from #key_file and dynamicaly + * created enveloped signature template. + * + * Returns 0 on success or a negative value if an error occurs. + */ +int +sign_file(const char* xml_file, const char* key_file) { + xmlDocPtr doc = NULL; + xmlNodePtr signNode = NULL; + xmlNodePtr refNode = NULL; + xmlNodePtr keyInfoNode = NULL; + xmlSecDSigCtxPtr dsigCtx = NULL; + int res = -1; + + assert(xml_file); + assert(key_file); + + /* load doc file */ + doc = xmlParseFile(xml_file); + if ((doc == NULL) || (xmlDocGetRootElement(doc) == NULL)){ + fprintf(stderr, "Error: unable to parse file \"%s\"\n", xml_file); + goto done; + } + + /* create signature template for RSA-SHA1 enveloped signature */ + signNode = xmlSecTmplSignatureCreate(doc, xmlSecTransformExclC14NId, + xmlSecTransformRsaSha1Id, NULL); + if(signNode == NULL) { + fprintf(stderr, "Error: failed to create signature template\n"); + goto done; + } + + /* add <dsig:Signature/> node to the doc */ + xmlAddChild(xmlDocGetRootElement(doc), signNode); + + /* add reference */ + refNode = xmlSecTmplSignatureAddReference(signNode, xmlSecTransformSha1Id, + NULL, NULL, NULL); + if(refNode == NULL) { + fprintf(stderr, "Error: failed to add reference to signature template\n"); + goto done; + } + + /* add enveloped transform */ + if(xmlSecTmplReferenceAddTransform(refNode, xmlSecTransformEnvelopedId) == NULL) { + fprintf(stderr, "Error: failed to add enveloped transform to reference\n"); + goto done; + } + + /* add <dsig:KeyInfo/> and <dsig:KeyName/> nodes to put key name in the signed document */ + keyInfoNode = xmlSecTmplSignatureEnsureKeyInfo(signNode, NULL); + if(keyInfoNode == NULL) { + fprintf(stderr, "Error: failed to add key info\n"); + goto done; + } + + if(xmlSecTmplKeyInfoAddKeyName(keyInfoNode, NULL) == NULL) { + fprintf(stderr, "Error: failed to add key name\n"); + goto done; + } + + /* create signature context, we don't need keys manager in this example */ + dsigCtx = xmlSecDSigCtxCreate(NULL); + if(dsigCtx == NULL) { + fprintf(stderr,"Error: failed to create signature context\n"); + goto done; + } + + /* load private key, assuming that there is not password */ + dsigCtx->signKey = xmlSecCryptoAppKeyLoad(key_file, xmlSecKeyDataFormatPem, NULL, NULL, NULL); + if(dsigCtx->signKey == NULL) { + fprintf(stderr,"Error: failed to load private pem key from \"%s\"\n", key_file); + goto done; + } + + /* set key name to the file name, this is just an example! */ + if(xmlSecKeySetName(dsigCtx->signKey, key_file) < 0) { + fprintf(stderr,"Error: failed to set key name for key from \"%s\"\n", key_file); + goto done; + } + + /* sign the template */ + if(xmlSecDSigCtxSign(dsigCtx, signNode) < 0) { + fprintf(stderr,"Error: signature failed\n"); + goto done; + } + + /* print signed document to stdout */ + xmlDocDump(stdout, doc); + + /* success */ + res = 0; + +done: + /* cleanup */ + if(dsigCtx != NULL) { + xmlSecDSigCtxDestroy(dsigCtx); + } + + if(doc != NULL) { + xmlFreeDoc(doc); + } + return(res); +}
</pre> +<p></p> +</div> +</div> +<br clear="all"><div class="SECT2"> +<h2 class="SECT2"><a name="XMLSEC-EXAMPLE-SIGN2-DOC">sign2-doc.xml</a></h2> +<p></p> +<div class="INFORMALEXAMPLE"> +<p></p> +<a name="AEN672"></a><pre class="PROGRAMLISTING"><?xml version="1.0" encoding="UTF-8"?> +<!-- +XML Security Library example: Original XML doc file for sign2 example. +--> +<Envelope xmlns="urn:envelope"> + <Data> + Hello, World! + </Data> +</Envelope></pre> +<p></p> +</div> +</div> +<br clear="all"><div class="SECT2"> +<h2 class="SECT2"><a name="XMLSEC-EXAMPLE-SIGN2-RES">sign2-res.xml</a></h2> +<p></p> +<div class="INFORMALEXAMPLE"> +<p></p> +<a name="AEN677"></a><pre class="PROGRAMLISTING"><?xml version="1.0" encoding="UTF-8"?> +<!-- +XML Security Library example: Signed XML doc file (sign2 example). +--> +<Envelope xmlns="urn:envelope"> + <Data> + Hello, World! + </Data> +<Signature xmlns="http://www.w3.org/2000/09/xmldsig#"> +<SignedInfo> +<CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/> +<SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> +<Reference> +<Transforms> +<Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> +</Transforms> +<DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> +<DigestValue>HjY8ilZAIEM2tBbPn5mYO1ieIX4=</DigestValue> +</Reference> +</SignedInfo> +<SignatureValue>SIaj/6KY3C1SmDXU2++Gm31U1xTadFp04WhBgfsJFbxrL+q7GKSKN9kfQ+UpN9+i +D5fWmuavXEHe4Gw6RMaMEkq2URQo7F68+d5J/ajq8/l4n+xE6/reGScVwT6L4dEP +XXVJcAi2ZnQ3O7GTNvNGCPibL9mUcyCWBFZ92Uemtc/vJFCQ7ZyKMdMfACgxOwyN +T/9971oog241/2doudhonc0I/3mgPYWkZdX6yvr62mEjnG+oUZkhWYJ4ewZJ4hM4 +JjbFqZO+OEzDRSbw3DkmuBA/mtlx+3t13SESfEub5hqoMdVmtth/eTb64dsPdl9r +3k1ACVX9f8aHfQQdJOmLFQ==</SignatureValue> +<KeyInfo> +<KeyName>rsakey.pem</KeyName> +</KeyInfo> +</Signature></Envelope></pre> +<p></p> +</div> +</div> +</div> +<table class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="2"><tr valign="middle"> +<td align="left"><a accesskey="p" href="xmlsec-examples-sign-template-file.html"><b><<< Signing a template file.</b></a></td> +<td align="right"><a accesskey="n" href="xmlsec-examples-sign-x509.html"><b>Signing with X509 certificate. >>></b></a></td> +</tr></table> +</td></tr></table></td> +</tr></table></body> +</html> |