From 6b6383d52bc147134bb6b60b07e924b176c67e3a Mon Sep 17 00:00:00 2001 From: Anas Nashif Date: Fri, 20 Sep 2013 04:45:41 -0400 Subject: Imported Upstream version 1.2.19 --- examples/decrypt2.c | 164 +++++++++++++++++++++++++++++----------------------- 1 file changed, 91 insertions(+), 73 deletions(-) (limited to 'examples/decrypt2.c') diff --git a/examples/decrypt2.c b/examples/decrypt2.c index 051cbf97..49513e12 100644 --- a/examples/decrypt2.c +++ b/examples/decrypt2.c @@ -5,11 +5,11 @@ * DES key from a binary file * * Usage: - * ./decrypt2 [ [...]] + * ./decrypt2 [ [...]] * * Example: - * ./decrypt2 encrypt1-res.xml deskey.bin - * ./decrypt2 encrypt2-res.xml deskey.bin + * ./decrypt2 encrypt1-res.xml deskey.bin + * ./decrypt2 encrypt2-res.xml deskey.bin * * This is free software; see Copyright file in the source * distribution for preciese wording. @@ -26,6 +26,7 @@ #ifndef XMLSEC_NO_XSLT #include +#include #endif /* XMLSEC_NO_XSLT */ #include @@ -39,13 +40,16 @@ int decrypt_file(xmlSecKeysMngrPtr mngr, const char* enc_file); int main(int argc, char **argv) { xmlSecKeysMngrPtr mngr; +#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 [ [...]]\n", argv[0]); - return(1); + fprintf(stderr, "Error: wrong number of arguments.\n"); + fprintf(stderr, "Usage: %s [ [...]]\n", argv[0]); + return(1); } /* Init libxml and libxslt libraries */ @@ -56,17 +60,30 @@ 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 @@ -76,34 +93,34 @@ 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); } /* create keys manager and load keys */ mngr = load_des_keys(&(argv[2]), argc - 2); if(mngr == NULL) { - return(-1); + return(-1); } if(decrypt_file(mngr, argv[1]) < 0) { - xmlSecKeysMngrDestroy(mngr); - return(-1); + xmlSecKeysMngrDestroy(mngr); + return(-1); } /* destroy keys manager */ @@ -120,6 +137,7 @@ main(int argc, char **argv) { /* Shutdown libxslt/libxml */ #ifndef XMLSEC_NO_XSLT + xsltFreeSecurityPrefs(xsltSecPrefs); xsltCleanupGlobals(); #endif /* XMLSEC_NO_XSLT */ xmlCleanupParser(); @@ -129,8 +147,8 @@ main(int argc, char **argv) { /** * load_des_keys: - * @files: the list of filenames. - * @files_size: the number of filenames in #files. + * @files: the list of filenames. + * @files_size: the number of filenames in #files. * * Creates simple keys manager and load DES keys from #files in it. * The caller is responsible for destroing returned keys manager using @@ -154,43 +172,43 @@ load_des_keys(char** files, int files_size) { */ mngr = xmlSecKeysMngrCreate(); if(mngr == NULL) { - fprintf(stderr, "Error: failed to create keys manager.\n"); - return(NULL); + fprintf(stderr, "Error: failed to create keys manager.\n"); + return(NULL); } if(xmlSecCryptoAppDefaultKeysMngrInit(mngr) < 0) { - fprintf(stderr, "Error: failed to initialize keys manager.\n"); - xmlSecKeysMngrDestroy(mngr); - return(NULL); + fprintf(stderr, "Error: failed to initialize keys manager.\n"); + xmlSecKeysMngrDestroy(mngr); + return(NULL); } for(i = 0; i < files_size; ++i) { - assert(files[i]); + assert(files[i]); - /* load DES key */ - key = xmlSecKeyReadBinaryFile(xmlSecKeyDataDesId, files[i]); - if(key == NULL) { - fprintf(stderr,"Error: failed to load des key from binary file \"%s\"\n", files[i]); - xmlSecKeysMngrDestroy(mngr); - return(NULL); - } + /* load DES key */ + key = xmlSecKeyReadBinaryFile(xmlSecKeyDataDesId, files[i]); + if(key == NULL) { + fprintf(stderr,"Error: failed to load des key from binary file \"%s\"\n", files[i]); + xmlSecKeysMngrDestroy(mngr); + return(NULL); + } - /* set key name to the file name, this is just an example! */ - if(xmlSecKeySetName(key, BAD_CAST files[i]) < 0) { - fprintf(stderr,"Error: failed to set key name for key from \"%s\"\n", files[i]); - xmlSecKeyDestroy(key); - xmlSecKeysMngrDestroy(mngr); - return(NULL); - } - - /* add key to keys manager, from now on keys manager is responsible - * for destroying key - */ - if(xmlSecCryptoAppDefaultKeysMngrAdoptKey(mngr, key) < 0) { - fprintf(stderr,"Error: failed to add key from \"%s\" to keys manager\n", files[i]); - xmlSecKeyDestroy(key); - xmlSecKeysMngrDestroy(mngr); - return(NULL); - } + /* set key name to the file name, this is just an example! */ + if(xmlSecKeySetName(key, BAD_CAST files[i]) < 0) { + fprintf(stderr,"Error: failed to set key name for key from \"%s\"\n", files[i]); + xmlSecKeyDestroy(key); + xmlSecKeysMngrDestroy(mngr); + return(NULL); + } + + /* add key to keys manager, from now on keys manager is responsible + * for destroying key + */ + if(xmlSecCryptoAppDefaultKeysMngrAdoptKey(mngr, key) < 0) { + fprintf(stderr,"Error: failed to add key from \"%s\" to keys manager\n", files[i]); + xmlSecKeyDestroy(key); + xmlSecKeysMngrDestroy(mngr); + return(NULL); + } } return(mngr); @@ -198,8 +216,8 @@ load_des_keys(char** files, int files_size) { /** * decrypt_file: - * @mngr: the pointer to keys manager. - * @enc_file: the encrypted XML file name. + * @mngr: the pointer to keys manager. + * @enc_file: the encrypted XML file name. * * Decrypts the XML file #enc_file using DES key from #key_file and * prints results to stdout. @@ -219,42 +237,42 @@ decrypt_file(xmlSecKeysMngrPtr mngr, const char* enc_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 */ encCtx = xmlSecEncCtxCreate(mngr); if(encCtx == NULL) { fprintf(stderr,"Error: failed to create encryption context\n"); - goto done; + 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"); @@ -264,11 +282,11 @@ decrypt_file(xmlSecKeysMngrPtr mngr, const char* enc_file) { done: /* cleanup */ if(encCtx != NULL) { - xmlSecEncCtxDestroy(encCtx); + xmlSecEncCtxDestroy(encCtx); } if(doc != NULL) { - xmlFreeDoc(doc); + xmlFreeDoc(doc); } return(res); } -- cgit v1.2.3