mirror of
https://github.com/openssl/openssl.git
synced 2024-12-21 06:09:35 +08:00
89d7231132
Now we cover all possible cases. Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/19529)
502 lines
15 KiB
C
502 lines
15 KiB
C
/*
|
|
* Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include "dso_local.h"
|
|
|
|
#ifdef OPENSSL_SYS_VMS
|
|
|
|
# pragma message disable DOLLARID
|
|
# include <errno.h>
|
|
# include <rms.h>
|
|
# include <lib$routines.h>
|
|
# include <libfisdef.h>
|
|
# include <stsdef.h>
|
|
# include <descrip.h>
|
|
# include <starlet.h>
|
|
# include "../vms_rms.h"
|
|
|
|
/* Some compiler options may mask the declaration of "_malloc32". */
|
|
# define DSO_MALLOC OPENSSL_malloc
|
|
# if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
|
|
# if __INITIAL_POINTER_SIZE == 64
|
|
# pragma pointer_size save
|
|
# pragma pointer_size 32
|
|
void *_malloc32(__size_t);
|
|
static void *dso_malloc(__size_t num, const char *file, int line)
|
|
{
|
|
void *ret = _malloc32(num);
|
|
if (ret == NULL && (file != NULL || line != 0)) {
|
|
ERR_new();
|
|
ERR_set_debug(file, line, NULL);
|
|
ERR_set_error(ERR_LIB_DSO, ERR_R_MALLOC_FAILURE, NULL);
|
|
}
|
|
return ret;
|
|
}
|
|
# undef DSO_MALLOC
|
|
# define DSO_MALLOC(num) dso_malloc((num), OPENSSL_FILE, OPENSSL_LINE)
|
|
# pragma pointer_size restore
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
|
|
# endif /* __INITIAL_POINTER_SIZE && defined
|
|
* _ANSI_C_SOURCE */
|
|
|
|
# pragma message disable DOLLARID
|
|
|
|
static int vms_load(DSO *dso);
|
|
static int vms_unload(DSO *dso);
|
|
static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
|
|
static char *vms_name_converter(DSO *dso, const char *filename);
|
|
static char *vms_merger(DSO *dso, const char *filespec1,
|
|
const char *filespec2);
|
|
|
|
static DSO_METHOD dso_meth_vms = {
|
|
"OpenSSL 'VMS' shared library method",
|
|
vms_load,
|
|
NULL, /* unload */
|
|
vms_bind_func,
|
|
NULL, /* ctrl */
|
|
vms_name_converter,
|
|
vms_merger,
|
|
NULL, /* init */
|
|
NULL, /* finish */
|
|
NULL, /* pathbyaddr */
|
|
NULL /* globallookup */
|
|
};
|
|
|
|
/*
|
|
* On VMS, the only "handle" is the file name. LIB$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_openssl(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 && defined _ANSI_C_SOURCE
|
|
# if __INITIAL_POINTER_SIZE == 64
|
|
# pragma pointer_size save
|
|
# pragma pointer_size 32
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 */
|
|
# endif /* __INITIAL_POINTER_SIZE && defined
|
|
* _ANSI_C_SOURCE */
|
|
|
|
DSO_VMS_INTERNAL *p = NULL;
|
|
|
|
# if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
|
|
# if __INITIAL_POINTER_SIZE == 64
|
|
# pragma pointer_size restore
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 */
|
|
# endif /* __INITIAL_POINTER_SIZE && defined
|
|
* _ANSI_C_SOURCE */
|
|
|
|
const char *sp1, *sp2; /* Search result */
|
|
const char *ext = NULL; /* possible extension to add */
|
|
|
|
if (filename == NULL) {
|
|
ERR_raise(ERR_LIB_DSO, 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 there is a period and the next character is a semi-colon,
|
|
* we need to add an extension
|
|
*/
|
|
if (sp2 != NULL && sp2[1] == ';')
|
|
ext = ".EXE";
|
|
/*
|
|
* 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, ';');
|
|
ext = ".EXE";
|
|
}
|
|
/*
|
|
* 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) {
|
|
ERR_raise(ERR_LIB_DSO, DSO_R_FILENAME_TOO_BIG);
|
|
goto err;
|
|
}
|
|
|
|
p = DSO_MALLOC(sizeof(*p));
|
|
if (p == NULL)
|
|
goto err;
|
|
|
|
strncpy(p->filename, sp1, sp2 - sp1);
|
|
p->filename[sp2 - sp1] = '\0';
|
|
|
|
strncpy(p->imagename, filename, sp1 - filename);
|
|
p->imagename[sp1 - filename] = '\0';
|
|
if (ext) {
|
|
strcat(p->imagename, ext);
|
|
if (*sp2 == '.')
|
|
sp2++;
|
|
}
|
|
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)) {
|
|
ERR_raise(ERR_LIB_DSO, DSO_R_STACK_ERROR);
|
|
goto err;
|
|
}
|
|
|
|
/* Success (for now, we lie. We actually do not know...) */
|
|
dso->loaded_filename = filename;
|
|
return 1;
|
|
err:
|
|
/* Cleanup! */
|
|
OPENSSL_free(p);
|
|
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) {
|
|
ERR_raise(ERR_LIB_DSO, 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) {
|
|
ERR_raise(ERR_LIB_DSO, 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);
|
|
}
|
|
|
|
# ifndef LIB$M_FIS_MIXEDCASE
|
|
# define LIB$M_FIS_MIXEDCASE (1 << 4);
|
|
# endif
|
|
void vms_bind_sym(DSO *dso, const char *symname, void **sym)
|
|
{
|
|
DSO_VMS_INTERNAL *ptr;
|
|
int status = 0;
|
|
struct dsc$descriptor_s symname_dsc;
|
|
|
|
/* Arrange 32-bit pointer to (copied) string storage, if needed. */
|
|
# if __INITIAL_POINTER_SIZE == 64
|
|
# define SYMNAME symname_32p
|
|
# pragma pointer_size save
|
|
# pragma pointer_size 32
|
|
char *symname_32p;
|
|
# pragma pointer_size restore
|
|
char symname_32[NAMX_MAXRSS + 1];
|
|
# else /* __INITIAL_POINTER_SIZE == 64 */
|
|
# define SYMNAME ((char *) symname)
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
|
|
|
|
*sym = NULL;
|
|
|
|
if ((dso == NULL) || (symname == NULL)) {
|
|
ERR_raise(ERR_LIB_DSO, ERR_R_PASSED_NULL_PARAMETER);
|
|
return;
|
|
}
|
|
# if __INITIAL_POINTER_SIZE == 64
|
|
/* Copy the symbol name to storage with a 32-bit pointer. */
|
|
symname_32p = symname_32;
|
|
strcpy(symname_32p, symname);
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
|
|
|
|
symname_dsc.dsc$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$a_pointer = SYMNAME;
|
|
|
|
if (sk_void_num(dso->meth_data) < 1) {
|
|
ERR_raise(ERR_LIB_DSO, DSO_R_STACK_ERROR);
|
|
return;
|
|
}
|
|
ptr = (DSO_VMS_INTERNAL *)sk_void_value(dso->meth_data,
|
|
sk_void_num(dso->meth_data) - 1);
|
|
if (ptr == NULL) {
|
|
ERR_raise(ERR_LIB_DSO, DSO_R_NULL_HANDLE);
|
|
return;
|
|
}
|
|
|
|
status = do_find_symbol(ptr, &symname_dsc, sym, LIB$M_FIS_MIXEDCASE);
|
|
|
|
if (!$VMS_STATUS_SUCCESS(status))
|
|
status = do_find_symbol(ptr, &symname_dsc, sym, 0);
|
|
|
|
if (!$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$a_pointer = errstring;
|
|
|
|
*sym = NULL;
|
|
|
|
status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
|
|
|
|
if (!$VMS_STATUS_SUCCESS(status))
|
|
lib$signal(status); /* This is really bad. Abort! */
|
|
else {
|
|
errstring[length] = '\0';
|
|
|
|
if (ptr->imagename_dsc.dsc$w_length)
|
|
ERR_raise_data(ERR_LIB_DSO, DSO_R_SYM_FAILURE,
|
|
"Symbol %s in %s (%s): %s",
|
|
symname, ptr->filename, ptr->imagename,
|
|
errstring);
|
|
else
|
|
ERR_raise_data(ERR_LIB_DSO, DSO_R_SYM_FAILURE,
|
|
"Symbol %s in %s: %s",
|
|
symname, ptr->filename, errstring);
|
|
}
|
|
return;
|
|
}
|
|
return;
|
|
}
|
|
|
|
static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
|
|
{
|
|
DSO_FUNC_TYPE sym = 0;
|
|
vms_bind_sym(dso, symname, (void **)&sym);
|
|
return sym;
|
|
}
|
|
|
|
static char *vms_merger(DSO *dso, const char *filespec1,
|
|
const char *filespec2)
|
|
{
|
|
int status;
|
|
int filespec1len, filespec2len;
|
|
struct FAB fab;
|
|
struct NAMX_STRUCT nam;
|
|
char esa[NAMX_MAXRSS + 1];
|
|
char *merged;
|
|
|
|
/* Arrange 32-bit pointer to (copied) string storage, if needed. */
|
|
# if __INITIAL_POINTER_SIZE == 64
|
|
# define FILESPEC1 filespec1_32p;
|
|
# define FILESPEC2 filespec2_32p;
|
|
# pragma pointer_size save
|
|
# pragma pointer_size 32
|
|
char *filespec1_32p;
|
|
char *filespec2_32p;
|
|
# pragma pointer_size restore
|
|
char filespec1_32[NAMX_MAXRSS + 1];
|
|
char filespec2_32[NAMX_MAXRSS + 1];
|
|
# else /* __INITIAL_POINTER_SIZE == 64 */
|
|
# define FILESPEC1 ((char *) filespec1)
|
|
# define FILESPEC2 ((char *) filespec2)
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
|
|
|
|
if (!filespec1)
|
|
filespec1 = "";
|
|
if (!filespec2)
|
|
filespec2 = "";
|
|
filespec1len = strlen(filespec1);
|
|
filespec2len = strlen(filespec2);
|
|
|
|
# if __INITIAL_POINTER_SIZE == 64
|
|
/* Copy the file names to storage with a 32-bit pointer. */
|
|
filespec1_32p = filespec1_32;
|
|
filespec2_32p = filespec2_32;
|
|
strcpy(filespec1_32p, filespec1);
|
|
strcpy(filespec2_32p, filespec2);
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
|
|
|
|
fab = cc$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';
|
|
|
|
ERR_raise_data(ERR_LIB_DSO, DSO_R_FAILURE,
|
|
"filespec \"%s\", default \"%s\": %s",
|
|
filespec1, filespec2, errstring);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
merged = OPENSSL_malloc(nam.NAMX_ESL + 1);
|
|
if (merged == NULL)
|
|
return NULL;
|
|
strncpy(merged, nam.NAMX_ESA, nam.NAMX_ESL);
|
|
merged[nam.NAMX_ESL] = '\0';
|
|
return merged;
|
|
}
|
|
|
|
static char *vms_name_converter(DSO *dso, const char *filename)
|
|
{
|
|
char *translated;
|
|
int len, transform;
|
|
const char *p;
|
|
|
|
len = strlen(filename);
|
|
|
|
p = strchr(filename, ':');
|
|
if (p != NULL) {
|
|
transform = 0;
|
|
} else {
|
|
p = filename;
|
|
transform = (strrchr(p, '>') == NULL && strrchr(p, ']') == NULL);
|
|
}
|
|
|
|
if (transform) {
|
|
int rsize = len + sizeof(DSO_EXTENSION);
|
|
|
|
if ((translated = OPENSSL_malloc(rsize)) != NULL) {
|
|
p = strrchr(filename, ';');
|
|
if (p != NULL)
|
|
len = p - filename;
|
|
strncpy(translated, filename, len);
|
|
translated[len] = '\0';
|
|
strcat(translated, DSO_EXTENSION);
|
|
if (p != NULL)
|
|
strcat(translated, p);
|
|
}
|
|
} else {
|
|
translated = OPENSSL_strdup(filename);
|
|
}
|
|
return translated;
|
|
}
|
|
|
|
#endif /* OPENSSL_SYS_VMS */
|