| /* dso_vms.c -*- mode:C; c-file-style: "eay" -*- */ |
| /* |
| * 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> |
| |
| #ifndef OPENSSL_SYS_VMS |
| DSO_METHOD *DSO_METHOD_vms(void) |
| { |
| return NULL; |
| } |
| #else |
| |
| # pragma message disable DOLLARID |
| # include <rms.h> |
| # include <lib$routines.h> |
| # include <stsdef.h> |
| # include <descrip.h> |
| # include <starlet.h> |
| # include "vms_rms.h" |
| |
| /* Some compiler options may mask the declaration of "_malloc32". */ |
| # if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE |
| # if __INITIAL_POINTER_SIZE == 64 |
| # pragma pointer_size save |
| # pragma pointer_size 32 |
| void *_malloc32(__size_t); |
| # pragma pointer_size restore |
| # endif /* __INITIAL_POINTER_SIZE == 64 */ |
| # endif /* __INITIAL_POINTER_SIZE && defined |
| * _ANSI_C_SOURCE */ |
| |
| # pragma message disable DOLLARID |
| |
| static int vms_load(DSO *dso); |
| static int vms_unload(DSO *dso); |
| static void *vms_bind_var(DSO *dso, const char *symname); |
| static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname); |
| # if 0 |
| static int vms_unbind_var(DSO *dso, char *symname, void *symptr); |
| static int vms_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr); |
| static int vms_init(DSO *dso); |
| static int vms_finish(DSO *dso); |
| static long vms_ctrl(DSO *dso, int cmd, long larg, void *parg); |
| # endif |
| static char *vms_name_converter(DSO *dso, const char *filename); |
| static char *vms_merger(DSO *dso, const char *filespec1, |
| const char *filespec2); |
| |
| static DSO_METHOD dso_meth_vms = { |
| "OpenSSL 'VMS' shared library method", |
| vms_load, |
| NULL, /* unload */ |
| vms_bind_var, |
| vms_bind_func, |
| /* For now, "unbind" doesn't exist */ |
| # if 0 |
| NULL, /* unbind_var */ |
| NULL, /* unbind_func */ |
| # endif |
| NULL, /* ctrl */ |
| vms_name_converter, |
| vms_merger, |
| NULL, /* init */ |
| NULL /* finish */ |
| }; |
| |
| /* |
| * On VMS, the only "handle" is the file name. LIB$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$descriptor_s filename_dsc; |
| char filename[NAMX_MAXRSS + 1]; |
| /* |
| * This contains whatever is not in filename, if needed. Normally not |
| * defined. |
| */ |
| struct dsc$descriptor_s imagename_dsc; |
| char imagename[NAMX_MAXRSS + 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); |
| |
| /* Ensure 32-bit pointer for "p", and appropriate malloc() function. */ |
| # if __INITIAL_POINTER_SIZE == 64 |
| # define DSO_MALLOC _malloc32 |
| # pragma pointer_size save |
| # pragma pointer_size 32 |
| # else /* __INITIAL_POINTER_SIZE == 64 */ |
| # define DSO_MALLOC OPENSSL_malloc |
| # endif /* __INITIAL_POINTER_SIZE == 64 [else] */ |
| |
| DSO_VMS_INTERNAL *p = NULL; |
| |
| # if __INITIAL_POINTER_SIZE == 64 |
| # pragma pointer_size restore |
| # endif /* __INITIAL_POINTER_SIZE == 64 */ |
| |
| const char *sp1, *sp2; /* Search result */ |
| |
| if (filename == NULL) { |
| DSOerr(DSO_F_VMS_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_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_void_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_void_num(dso->meth_data) < 1) |
| return (1); |
| p = (DSO_VMS_INTERNAL *)sk_void_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; |
| |
| /* Arrange 32-bit pointer to (copied) string storage, if needed. */ |
| # if __INITIAL_POINTER_SIZE == 64 |
| # define SYMNAME symname_32p |
| # pragma pointer_size save |
| # pragma pointer_size 32 |
| char *symname_32p; |
| # pragma pointer_size restore |
| char symname_32[NAMX_MAXRSS + 1]; |
| # else /* __INITIAL_POINTER_SIZE == 64 */ |
| # define SYMNAME ((char *) symname) |
| # endif /* __INITIAL_POINTER_SIZE == 64 [else] */ |
| |
| *sym = NULL; |
| |
| if ((dso == NULL) || (symname == NULL)) { |
| DSOerr(DSO_F_VMS_BIND_SYM, ERR_R_PASSED_NULL_PARAMETER); |
| return; |
| } |
| # if __INITIAL_POINTER_SIZE == 64 |
| /* Copy the symbol name to storage with a 32-bit pointer. */ |
| symname_32p = symname_32; |
| strcpy(symname_32p, symname); |
| # endif /* __INITIAL_POINTER_SIZE == 64 [else] */ |
| |
| 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 = SYMNAME; |
| |
| if (sk_void_num(dso->meth_data) < 1) { |
| DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_STACK_ERROR); |
| return; |
| } |
| ptr = (DSO_VMS_INTERNAL *)sk_void_value(dso->meth_data, |
| sk_void_num(dso->meth_data) - 1); |
| if (ptr == NULL) { |
| DSOerr(DSO_F_VMS_BIND_SYM, 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$signal(status); /* This is really bad. Abort! */ |
| else { |
| errstring[length] = '\0'; |
| |
| DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_SYM_FAILURE); |
| if (ptr->imagename_dsc.dsc$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_merger(DSO *dso, const char *filespec1, |
| const char *filespec2) |
| { |
| int status; |
| int filespec1len, filespec2len; |
| struct FAB fab; |
| struct NAMX_STRUCT nam; |
| char esa[NAMX_MAXRSS + 1]; |
| char *merged; |
| |
| /* Arrange 32-bit pointer to (copied) string storage, if needed. */ |
| # if __INITIAL_POINTER_SIZE == 64 |
| # define FILESPEC1 filespec1_32p; |
| # define FILESPEC2 filespec2_32p; |
| # pragma pointer_size save |
| # pragma pointer_size 32 |
| char *filespec1_32p; |
| char *filespec2_32p; |
| # pragma pointer_size restore |
| char filespec1_32[NAMX_MAXRSS + 1]; |
| char filespec2_32[NAMX_MAXRSS + 1]; |
| # else /* __INITIAL_POINTER_SIZE == 64 */ |
| # define FILESPEC1 ((char *) filespec1) |
| # define FILESPEC2 ((char *) filespec2) |
| # endif /* __INITIAL_POINTER_SIZE == 64 [else] */ |
| |
| if (!filespec1) |
| filespec1 = ""; |
| if (!filespec2) |
| filespec2 = ""; |
| filespec1len = strlen(filespec1); |
| filespec2len = strlen(filespec2); |
| |
| # if __INITIAL_POINTER_SIZE == 64 |
| /* Copy the file names to storage with a 32-bit pointer. */ |
| filespec1_32p = filespec1_32; |
| filespec2_32p = filespec2_32; |
| strcpy(filespec1_32p, filespec1); |
| strcpy(filespec2_32p, filespec2); |
| # endif /* __INITIAL_POINTER_SIZE == 64 [else] */ |
| |
| fab = cc$rms_fab; |
| nam = CC_RMS_NAMX; |
| |
| FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNA = FILESPEC1; |
| FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNS = filespec1len; |
| FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNA = FILESPEC2; |
| FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNS = filespec2len; |
| NAMX_DNA_FNA_SET(fab) |
| |
| nam.NAMX_ESA = esa; |
| nam.NAMX_ESS = NAMX_MAXRSS; |
| nam.NAMX_NOP = NAM$M_SYNCHK | NAM$M_PWD; |
| SET_NAMX_NO_SHORT_UPCASE(nam); |
| |
| fab.FAB_NAMX = &nam; |
| |
| status = sys$parse(&fab, 0, 0); |
| |
| 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; |
| |
| 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_MERGER, DSO_R_FAILURE); |
| ERR_add_error_data(7, |
| "filespec \"", filespec1, "\", ", |
| "defaults \"", filespec2, "\": ", errstring); |
| } |
| return (NULL); |
| } |
| |
| merged = OPENSSL_malloc(nam.NAMX_ESL + 1); |
| if (!merged) |
| goto malloc_err; |
| strncpy(merged, nam.NAMX_ESA, nam.NAMX_ESL); |
| merged[nam.NAMX_ESL] = '\0'; |
| return (merged); |
| malloc_err: |
| DSOerr(DSO_F_VMS_MERGER, ERR_R_MALLOC_FAILURE); |
| } |
| |
| 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 */ |
