1 files changed, 379 insertions, 0 deletions

diff --git a/src/lib/libcrypto/dso/dso_vms.c b/src/lib/libcrypto/dso/dso_vms.c
new file mode 100644
index 0000000000..1674619d17
--- /dev/null
+++ b/src/lib/libcrypto/dso/dso_vms.c
@@ -0,0 +1,379 @@
+/* dso_vms.c */
+/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
+ * project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include "cryptlib.h"
+#include <openssl/dso.h>
+#ifdef OPENSSL_SYS_VMS
+#pragma message disable DOLLARID
+#include <lib$routines.h>
+#include <stsdef.h>
+#include <descrip.h>
+#include <starlet.h>
+#endif
+
+#ifndef OPENSSL_SYS_VMS
+DSO_METHOD *DSO_METHOD_vms(void)
+        {
+        return NULL;
+        }
+#else
+#pragma message disable DOLLARID
+
+static int vms_load(DSO *dso);
+static int vms_unload(DSO *dso);
+static void *vms_bind_var(DSO *dso, const char *symname);
+static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
+#if 0
+static int vms_unbind_var(DSO *dso, char *symname, void *symptr);
+static int vms_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
+static int vms_init(DSO *dso);
+static int vms_finish(DSO *dso);
+static long vms_ctrl(DSO *dso, int cmd, long larg, void *parg);
+#endif
+static char *vms_name_converter(DSO *dso, const char *filename);
+
+static DSO_METHOD dso_meth_vms = {
+        "OpenSSL 'VMS' shared library method",
+        vms_load,
+        NULL, /* unload */
+        vms_bind_var,
+        vms_bind_func,
+/* For now, "unbind" doesn't exist */
+#if 0
+        NULL, /* unbind_var */
+        NULL, /* unbind_func */
+#endif
+        NULL, /* ctrl */
+        vms_name_converter,
+        NULL, /* init */
+        NULL  /* finish */
+        };
+
+/* On VMS, the only "handle" is the file name.  LIB$FIND_IMAGE_SYMBOL depends
+ * on the reference to the file name being the same for all calls regarding
+ * one shared image, so we'll just store it in an instance of the following
+ * structure and put a pointer to that instance in the meth_data stack.
+ */
+typedef struct dso_internal_st
+        {
+        /* This should contain the name only, no directory,
+         * no extension, nothing but a name. */
+        struct dsc$descriptor_s filename_dsc;
+        char filename[FILENAME_MAX+1];
+        /* This contains whatever is not in filename, if needed.
+         * Normally not defined. */
+        struct dsc$descriptor_s imagename_dsc;
+        char imagename[FILENAME_MAX+1];
+        } DSO_VMS_INTERNAL;
+
+
+DSO_METHOD *DSO_METHOD_vms(void)
+        {
+        return(&dso_meth_vms);
+        }
+
+static int vms_load(DSO *dso)
+        {
+        void *ptr = NULL;
+        /* See applicable comments in dso_dl.c */
+        char *filename = DSO_convert_filename(dso, NULL);
+        DSO_VMS_INTERNAL *p;
+        const char *sp1, *sp2;  /* Search result */
+
+        if(filename == NULL)
+                {
+                DSOerr(DSO_F_DLFCN_LOAD,DSO_R_NO_FILENAME);
+                goto err;
+                }
+
+        /* A file specification may look like this:
+         *
+         *      node::dev:[dir-spec]name.type;ver
+         *
+         * or (for compatibility with TOPS-20):
+         *
+         *      node::dev:<dir-spec>name.type;ver
+         *
+         * and the dir-spec uses '.' as separator.  Also, a dir-spec
+         * may consist of several parts, with mixed use of [] and <>:
+         *
+         *      [dir1.]<dir2>
+         *
+         * We need to split the file specification into the name and
+         * the rest (both before and after the name itself).
+         */
+        /* Start with trying to find the end of a dir-spec, and save the
+           position of the byte after in sp1 */
+        sp1 = strrchr(filename, ']');
+        sp2 = strrchr(filename, '>');
+        if (sp1 == NULL) sp1 = sp2;
+        if (sp2 != NULL && sp2 > sp1) sp1 = sp2;
+        if (sp1 == NULL) sp1 = strrchr(filename, ':');
+        if (sp1 == NULL)
+                sp1 = filename;
+        else
+                sp1++;          /* The byte after the found character */
+        /* Now, let's see if there's a type, and save the position in sp2 */
+        sp2 = strchr(sp1, '.');
+        /* If we found it, that's where we'll cut.  Otherwise, look for a
+           version number and save the position in sp2 */
+        if (sp2 == NULL) sp2 = strchr(sp1, ';');
+        /* If there was still nothing to find, set sp2 to point at the end of
+           the string */
+        if (sp2 == NULL) sp2 = sp1 + strlen(sp1);
+
+        /* Check that we won't get buffer overflows */
+        if (sp2 - sp1 > FILENAME_MAX
+                || (sp1 - filename) + strlen(sp2) > FILENAME_MAX)
+                {
+                DSOerr(DSO_F_VMS_LOAD,DSO_R_FILENAME_TOO_BIG);
+                goto err;
+                }
+
+        p = (DSO_VMS_INTERNAL *)OPENSSL_malloc(sizeof(DSO_VMS_INTERNAL));
+        if(p == NULL)
+                {
+                DSOerr(DSO_F_VMS_LOAD,ERR_R_MALLOC_FAILURE);
+                goto err;
+                }
+
+        strncpy(p->filename, sp1, sp2-sp1);
+        p->filename[sp2-sp1] = '\0';
+
+        strncpy(p->imagename, filename, sp1-filename);
+        p->imagename[sp1-filename] = '\0';
+        strcat(p->imagename, sp2);
+
+        p->filename_dsc.dsc$w_length = strlen(p->filename);
+        p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+        p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
+        p->filename_dsc.dsc$a_pointer = p->filename;
+        p->imagename_dsc.dsc$w_length = strlen(p->imagename);
+        p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+        p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
+        p->imagename_dsc.dsc$a_pointer = p->imagename;
+
+        if(!sk_push(dso->meth_data, (char *)p))
+                {
+                DSOerr(DSO_F_VMS_LOAD,DSO_R_STACK_ERROR);
+                goto err;
+                }
+
+        /* Success (for now, we lie.  We actually do not know...) */
+        dso->loaded_filename = filename;
+        return(1);
+err:
+        /* Cleanup! */
+        if(p != NULL)
+                OPENSSL_free(p);
+        if(filename != NULL)
+                OPENSSL_free(filename);
+        return(0);
+        }
+
+/* Note that this doesn't actually unload the shared image, as there is no
+ * such thing in VMS.  Next time it get loaded again, a new copy will
+ * actually be loaded.
+ */
+static int vms_unload(DSO *dso)
+        {
+        DSO_VMS_INTERNAL *p;
+        if(dso == NULL)
+                {
+                DSOerr(DSO_F_VMS_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
+                return(0);
+                }
+        if(sk_num(dso->meth_data) < 1)
+                return(1);
+        p = (DSO_VMS_INTERNAL *)sk_pop(dso->meth_data);
+        if(p == NULL)
+                {
+                DSOerr(DSO_F_VMS_UNLOAD,DSO_R_NULL_HANDLE);
+                return(0);
+                }
+        /* Cleanup */
+        OPENSSL_free(p);
+        return(1);
+        }
+
+/* We must do this in a separate function because of the way the exception
+   handler works (it makes this function return */
+static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
+        struct dsc$descriptor_s *symname_dsc, void **sym,
+        unsigned long flags)
+        {
+        /* Make sure that signals are caught and returned instead of
+           aborting the program.  The exception handler gets unestablished
+           automatically on return from this function.  */
+        lib$establish(lib$sig_to_ret);
+
+        if(ptr->imagename_dsc.dsc$w_length)
+                return lib$find_image_symbol(&ptr->filename_dsc,
+                        symname_dsc, sym,
+                        &ptr->imagename_dsc, flags);
+        else
+                return lib$find_image_symbol(&ptr->filename_dsc,
+                        symname_dsc, sym,
+                        0, flags);
+        }
+
+void vms_bind_sym(DSO *dso, const char *symname, void **sym)
+        {
+        DSO_VMS_INTERNAL *ptr;
+        int status;
+#if 0
+        int flags = (1<<4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
+                               defined in VMS older than 7.0 or so */
+#else
+        int flags = 0;
+#endif
+        struct dsc$descriptor_s symname_dsc;
+        *sym = NULL;
+
+        symname_dsc.dsc$w_length = strlen(symname);
+        symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+        symname_dsc.dsc$b_class = DSC$K_CLASS_S;
+        symname_dsc.dsc$a_pointer = (char *)symname; /* The cast is needed */
+
+        if((dso == NULL) || (symname == NULL))
+                {
+                DSOerr(DSO_F_VMS_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER);
+                return;
+                }
+        if(sk_num(dso->meth_data) < 1)
+                {
+                DSOerr(DSO_F_VMS_BIND_VAR,DSO_R_STACK_ERROR);
+                return;
+                }
+        ptr = (DSO_VMS_INTERNAL *)sk_value(dso->meth_data,
+                sk_num(dso->meth_data) - 1);
+        if(ptr == NULL)
+                {
+                DSOerr(DSO_F_VMS_BIND_VAR,DSO_R_NULL_HANDLE);
+                return;
+                }
+
+        if(dso->flags & DSO_FLAG_UPCASE_SYMBOL) flags = 0;
+
+        status = do_find_symbol(ptr, &symname_dsc, sym, flags);
+
+        if(!$VMS_STATUS_SUCCESS(status))
+                {
+                unsigned short length;
+                char errstring[257];
+                struct dsc$descriptor_s errstring_dsc;
+
+                errstring_dsc.dsc$w_length = sizeof(errstring);
+                errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+                errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
+                errstring_dsc.dsc$a_pointer = errstring;
+
+                *sym = NULL;
+
+                status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
+
+                if (!$VMS_STATUS_SUCCESS(status))
+                        lib$signal(status); /* This is really bad.  Abort!  */
+                else
+                        {
+                        errstring[length] = '\0';
+
+                        DSOerr(DSO_F_VMS_BIND_VAR,DSO_R_SYM_FAILURE);
+                        if (ptr->imagename_dsc.dsc$w_length)
+                                ERR_add_error_data(9,
+                                        "Symbol ", symname,
+                                        " in ", ptr->filename,
+                                        " (", ptr->imagename, ")",
+                                        ": ", errstring);
+                        else
+                                ERR_add_error_data(6,
+                                        "Symbol ", symname,
+                                        " in ", ptr->filename,
+                                        ": ", errstring);
+                        }
+                return;
+                }
+        return;
+        }
+
+static void *vms_bind_var(DSO *dso, const char *symname)
+        {
+        void *sym = 0;
+        vms_bind_sym(dso, symname, &sym);
+        return sym;
+        }
+
+static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
+        {
+        DSO_FUNC_TYPE sym = 0;
+        vms_bind_sym(dso, symname, (void **)&sym);
+        return sym;
+        }
+
+static char *vms_name_converter(DSO *dso, const char *filename)
+        {
+        int len = strlen(filename);
+        char *not_translated = OPENSSL_malloc(len+1);
+        strcpy(not_translated,filename);
+        return(not_translated);
+        }
+
+#endif /* OPENSSL_SYS_VMS */