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openssl/crypto/dso/dso_vms.c

 /* 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:
@@ skipping 50 matching lines @@
 #include <errno.h>
 #include "cryptlib.h"
 #include <openssl/dso.h>
 #ifdef OPENSSL_SYS_VMS
 #pragma message disable DOLLARID
 #include <rms.h>
 #include <lib$routines.h>
 #include <stsdef.h>
 #include <descrip.h>
 #include <starlet.h>
+#include "vms_rms.h"
 #endif
 
+/* 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 */
+
+
 #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);
@@ skipping 31 matching lines @@
 /* 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];
+        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[FILENAME_MAX+1];
+        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);
-        DSO_VMS_INTERNAL *p;
+
+/* 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:
          *
@@ skipping 32 matching lines @@
         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));
+        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_push(dso->meth_data, (char *)p))
+        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_num(dso->meth_data) < 1)
+        if(sk_void_num(dso->meth_data) < 1)
                 return(1);
-        p = (DSO_VMS_INTERNAL *)sk_pop(dso->meth_data);
+        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);
         }
 
@@ skipping 22 matching lines @@
         {
         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;
 
-        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_SYM,ERR_R_PASSED_NULL_PARAMETER);
                 return;
                 }
-        if(sk_num(dso->meth_data) < 1)
+
+#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_value(dso->meth_data,
-                sk_num(dso->meth_data) - 1);
+        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);
 
@@ skipping 43 matching lines @@
         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;
-#ifdef NAML$C_MAXRSS
-        struct NAML nam;
-        char esa[NAML$C_MAXRSS];
-#else
-        struct NAM nam;
-        char esa[NAM$C_MAXRSS];
-#endif
+        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$rms_fab;
-#ifdef NAML$C_MAXRSS
-        nam = cc$rms_naml;
-#else
-        nam = cc$rms_nam;
-#endif
+        nam = CC_RMS_NAMX;
 
-        fab.fab$l_fna = (char *)filespec1;
-        fab.fab$b_fns = filespec1len;
-        fab.fab$l_dna = (char *)filespec2;
-        fab.fab$b_dns = filespec2len;
-#ifdef NAML$C_MAXRSS
-        if (filespec1len > NAM$C_MAXRSS)
-                {
-                fab.fab$l_fna = 0;
-                fab.fab$b_fns = 0;
-                nam.naml$l_long_filename = (char *)filespec1;
-                nam.naml$l_long_filename_size = filespec1len;
-                }
-        if (filespec2len > NAM$C_MAXRSS)
-                {
-                fab.fab$l_dna = 0;
-                fab.fab$b_dns = 0;
-                nam.naml$l_long_defname = (char *)filespec2;
-                nam.naml$l_long_defname_size = filespec2len;
-                }
-        nam.naml$l_esa = esa;
-        nam.naml$b_ess = NAM$C_MAXRSS;
-        nam.naml$l_long_expand = esa;
-        nam.naml$l_long_expand_alloc = sizeof(esa);
-        nam.naml$b_nop = NAM$M_SYNCHK | NAM$M_PWD;
-        nam.naml$v_no_short_upcase = 1;
-        fab.fab$l_naml = &nam;
-#else
-        nam.nam$l_esa = esa;
-        nam.nam$b_ess = NAM$C_MAXRSS;
-        nam.nam$b_nop = NAM$M_SYNCHK | NAM$M_PWD;
-        fab.fab$l_nam = &nam;
-#endif
+        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);
@@ skipping 10 matching lines @@
                         errstring[length] = '\0';
 
                         DSOerr(DSO_F_VMS_MERGER,DSO_R_FAILURE);
                         ERR_add_error_data(7,
                                            "filespec \"", filespec1, "\", ",
                                            "defaults \"", filespec2, "\": ",
                                            errstring);
                         }
                 return(NULL);
                 }
-#ifdef NAML$C_MAXRSS
-        if (nam.naml$l_long_expand_size)
-                {
-                merged = OPENSSL_malloc(nam.naml$l_long_expand_size + 1);
-                if(!merged)
-                        goto malloc_err;
-                strncpy(merged, nam.naml$l_long_expand,
-                        nam.naml$l_long_expand_size);
-                merged[nam.naml$l_long_expand_size] = '\0';
-                }
-        else
-                {
-                merged = OPENSSL_malloc(nam.naml$b_esl + 1);
-                if(!merged)
-                        goto malloc_err;
-                strncpy(merged, nam.naml$l_esa,
-                        nam.naml$b_esl);
-                merged[nam.naml$b_esl] = '\0';
-                }
-#else
-        merged = OPENSSL_malloc(nam.nam$b_esl + 1);
+
+        merged = OPENSSL_malloc( nam.NAMX_ESL+ 1);
         if(!merged)
                 goto malloc_err;
-        strncpy(merged, nam.nam$l_esa,
-                nam.nam$b_esl);
-        merged[nam.nam$b_esl] = '\0';
-#endif
+        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 */