diff options
Diffstat (limited to 'docs/api/xmlsec-decrypt-with-signle-key.html')
-rw-r--r-- | docs/api/xmlsec-decrypt-with-signle-key.html | 102 |
1 files changed, 60 insertions, 42 deletions
diff --git a/docs/api/xmlsec-decrypt-with-signle-key.html b/docs/api/xmlsec-decrypt-with-signle-key.html index 8ab5476c..1a5e348f 100644 --- a/docs/api/xmlsec-decrypt-with-signle-key.html +++ b/docs/api/xmlsec-decrypt-with-signle-key.html @@ -97,11 +97,11 @@ * Decrypts encrypted XML file using a single DES key from a binary file * * Usage: - * ./decrypt1 <xml-enc> <des-key-file> + * ./decrypt1 <xml-enc> <des-key-file> * * Example: - * ./decrypt1 encrypt1-res.xml deskey.bin - * ./decrypt1 encrypt2-res.xml deskey.bin + * ./decrypt1 encrypt1-res.xml deskey.bin + * ./decrypt1 encrypt2-res.xml deskey.bin * * This is free software; see Copyright file in the source * distribution for preciese wording. @@ -118,6 +118,7 @@ #ifndef XMLSEC_NO_XSLT #include <libxslt/xslt.h> +#include <libxslt/security.h> #endif /* XMLSEC_NO_XSLT */ #include <xmlsec/xmlsec.h> @@ -129,12 +130,16 @@ int decrypt_file(const char* enc_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 <enc-file> <key-file>\n", argv[0]); - return(1); + fprintf(stderr, "Error: wrong number of arguments.\n"); + fprintf(stderr, "Usage: %s <enc-file> <key-file>\n", argv[0]); + return(1); } /* Init libxml and libxslt libraries */ @@ -145,17 +150,30 @@ main(int argc, char **argv) { #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); + 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); + fprintf(stderr, "Error: loaded xmlsec library version is not compatible.\n"); + return(-1); } /* Load default crypto engine if we are supporting dynamic @@ -165,27 +183,27 @@ main(int argc, char **argv) { */ #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); + 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); + 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); + fprintf(stderr, "Error: xmlsec-crypto initialization failed.\n"); + return(-1); } if(decrypt_file(argv[1], argv[2]) < 0) { - return(-1); + return(-1); } /* Shutdown xmlsec-crypto library */ @@ -208,8 +226,8 @@ main(int argc, char **argv) { /** * decrypt_file: - * @enc_file: the encrypted XML file name. - * @key_file: the Triple DES key file. + * @enc_file: the encrypted XML file name. + * @key_file: the Triple DES key file. * * Decrypts the XML file #enc_file using DES key from #key_file and * prints results to stdout. @@ -229,55 +247,55 @@ decrypt_file(const char* enc_file, const char* key_file) { /* load template */ doc = xmlParseFile(enc_file); if ((doc == NULL) || (xmlDocGetRootElement(doc) == NULL)){ - fprintf(stderr, "Error: unable to parse file \"%s\"\n", enc_file); - goto done; + fprintf(stderr, "Error: unable to parse file \"%s\"\n", enc_file); + goto done; } /* find start node */ node = xmlSecFindNode(xmlDocGetRootElement(doc), xmlSecNodeEncryptedData, xmlSecEncNs); if(node == NULL) { - fprintf(stderr, "Error: start node not found in \"%s\"\n", enc_file); - goto done; + fprintf(stderr, "Error: start node not found in \"%s\"\n", enc_file); + goto done; } /* create encryption context, we don't need keys manager in this example */ encCtx = xmlSecEncCtxCreate(NULL); if(encCtx == NULL) { fprintf(stderr,"Error: failed to create encryption context\n"); - goto done; + goto done; } /* load DES key */ encCtx->encKey = xmlSecKeyReadBinaryFile(xmlSecKeyDataDesId, key_file); if(encCtx->encKey == NULL) { fprintf(stderr,"Error: failed to load des key from binary file \"%s\"\n", key_file); - goto done; + goto done; } /* set key name to the file name, this is just an example! */ if(xmlSecKeySetName(encCtx->encKey, key_file) < 0) { - fprintf(stderr,"Error: failed to set key name for key from \"%s\"\n", key_file); - goto done; + fprintf(stderr,"Error: failed to set key name for key from \"%s\"\n", key_file); + goto done; } /* decrypt the data */ if((xmlSecEncCtxDecrypt(encCtx, node) < 0) || (encCtx->result == NULL)) { fprintf(stderr,"Error: decryption failed\n"); - goto done; + goto done; } /* print decrypted data to stdout */ if(encCtx->resultReplaced != 0) { - fprintf(stdout, "Decrypted XML data:\n"); - xmlDocDump(stdout, doc); + fprintf(stdout, "Decrypted XML data:\n"); + xmlDocDump(stdout, doc); } else { - fprintf(stdout, "Decrypted binary data (%d bytes):\n", xmlSecBufferGetSize(encCtx->result)); - if(xmlSecBufferGetData(encCtx->result) != NULL) { - fwrite(xmlSecBufferGetData(encCtx->result), - 1, - xmlSecBufferGetSize(encCtx->result), - stdout); - } + fprintf(stdout, "Decrypted binary data (%d bytes):\n", xmlSecBufferGetSize(encCtx->result)); + if(xmlSecBufferGetData(encCtx->result) != NULL) { + fwrite(xmlSecBufferGetData(encCtx->result), + 1, + xmlSecBufferGetSize(encCtx->result), + stdout); + } } fprintf(stdout, "\n"); @@ -287,11 +305,11 @@ decrypt_file(const char* enc_file, const char* key_file) { done: /* cleanup */ if(encCtx != NULL) { - xmlSecEncCtxDestroy(encCtx); + xmlSecEncCtxDestroy(encCtx); } if(doc != NULL) { - xmlFreeDoc(doc); + xmlFreeDoc(doc); } return(res); }
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