101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
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/* File: report_openssl_version.c
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*
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* This file dynamically loads the openssl shared image to report the
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* version string.
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*
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* It will optionally place that version string in a DCL symbol.
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*
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* Usage: report_openssl_version <shared_image> [<dcl_symbol>]
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*
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* Copyright (C) John Malmberg
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* SPDX-License-Identifier: ISC
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*
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*/
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#include <dlfcn.h>
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#include <openssl/opensslv.h>
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#include <openssl/crypto.h>
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#include <string.h>
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#include <descrip.h>
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#include <libclidef.h>
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#include <stsdef.h>
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#include <errno.h>
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unsigned long LIB$SET_SYMBOL(
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const struct dsc$descriptor_s * symbol,
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const struct dsc$descriptor_s * value,
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const unsigned long * table_type);
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int main(int argc, char ** argv) {
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void * libptr;
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const char * (*ssl_version)(int t);
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const char * version;
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if(argc < 1) {
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puts("report_openssl_version filename");
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exit(1);
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}
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libptr = dlopen(argv[1], 0);
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ssl_version = (const char * (*)(int))dlsym(libptr, "SSLeay_version");
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if(ssl_version == NULL) {
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ssl_version = (const char * (*)(int))dlsym(libptr, "ssleay_version");
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if(ssl_version == NULL) {
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ssl_version = (const char * (*)(int))dlsym(libptr, "SSLEAY_VERSION");
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}
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}
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dlclose(libptr);
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if(ssl_version == NULL) {
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puts("Unable to lookup version of OpenSSL");
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exit(1);
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}
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version = ssl_version(SSLEAY_VERSION);
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puts(version);
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/* Was a symbol argument given? */
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if(argc > 1) {
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int status;
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struct dsc$descriptor_s symbol_dsc;
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struct dsc$descriptor_s value_dsc;
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const unsigned long table_type = LIB$K_CLI_LOCAL_SYM;
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symbol_dsc.dsc$a_pointer = argv[2];
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symbol_dsc.dsc$w_length = strlen(argv[2]);
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symbol_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
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symbol_dsc.dsc$b_class = DSC$K_CLASS_S;
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value_dsc.dsc$a_pointer = (char *)version; /* Cast ok */
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value_dsc.dsc$w_length = strlen(version);
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value_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
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value_dsc.dsc$b_class = DSC$K_CLASS_S;
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status = LIB$SET_SYMBOL(&symbol_dsc, &value_dsc, &table_type);
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if(!$VMS_STATUS_SUCCESS(status)) {
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exit(status);
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}
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}
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exit(0);
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}
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