#include <lib$routines.h>
#include <lnmdef.h>
#include <msgdef.h>
+#include <ossdef.h>
#if __CRTL_VER >= 70301000 && !defined(__VAX)
#include <ppropdef.h>
#endif
void * nullarg);
#endif
+#ifdef sys$get_security
+#undef sys$get_security
+int sys$get_security
+ (const struct dsc$descriptor_s * clsnam,
+ const struct dsc$descriptor_s * objnam,
+ const unsigned int *objhan,
+ unsigned int flags,
+ const struct item_list_3 * itmlst,
+ unsigned int * contxt,
+ const unsigned int * acmode);
+#endif
+
+#ifdef sys$set_security
+#undef sys$set_security
+int sys$set_security
+ (const struct dsc$descriptor_s * clsnam,
+ const struct dsc$descriptor_s * objnam,
+ const unsigned int *objhan,
+ unsigned int flags,
+ const struct item_list_3 * itmlst,
+ unsigned int * contxt,
+ const unsigned int * acmode);
+#endif
+
#ifdef lib$find_image_symbol
#undef lib$find_image_symbol
int lib$find_image_symbol
void * symval,
const struct dsc$descriptor_s * defspec,
unsigned long flag);
+#endif
+#ifdef lib$rename_file
+#undef lib$rename_file
+int lib$rename_file
+ (const struct dsc$descriptor_s * old_file_dsc,
+ const struct dsc$descriptor_s * new_file_dsc,
+ const struct dsc$descriptor_s * default_file_dsc,
+ const struct dsc$descriptor_s * related_file_dsc,
+ const unsigned long * flags,
+ void * (success)(const struct dsc$descriptor_s * old_dsc,
+ const struct dsc$descriptor_s * new_dsc,
+ const void *),
+ void * (error)(const struct dsc$descriptor_s * old_dsc,
+ const struct dsc$descriptor_s * new_dsc,
+ const int * rms_sts,
+ const int * rms_stv,
+ const int * error_src,
+ const void * usr_arg),
+ int (confirm)(const struct dsc$descriptor_s * old_dsc,
+ const struct dsc$descriptor_s * new_dsc,
+ const void * old_fab,
+ const void * usr_arg),
+ void * user_arg,
+ struct dsc$descriptor_s * old_result_name_dsc,
+ struct dsc$descriptor_s * new_result_name_dsc,
+ unsigned long * file_scan_context);
#endif
#if __CRTL_VER >= 70300000 && !defined(__VAX)
/* Remove() is allowed to delete directories, according to the X/Open
* specifications.
- * This needs special handling to work with the ACL hacks.
+ * This may need special handling to work with the ACL hacks.
*/
- if (flex_stat(name, &st) && S_ISDIR(st.st_mode)) {
+ if ((flex_lstat(name, &st) == 0) && S_ISDIR(st.st_mode)) {
rmsts = Perl_do_rmdir(aTHX_ name);
return rmsts;
}
/*}}}*/
+/*{{{int my_chmod(char *, mode_t)*/
+int
+Perl_my_chmod(pTHX_ const char *file_spec, mode_t mode)
+{
+ STRLEN speclen = strlen(file_spec);
+
+ /* zero length string sometimes gives ACCVIO */
+ if (speclen == 0) return -1;
+
+ /* some versions of CRTL chmod() doesn't tolerate trailing /, since
+ * that implies null file name/type. However, it's commonplace under Unix,
+ * so we'll allow it for a gain in portability.
+ *
+ * Tests are showing that chmod() on VMS 8.3 is only accepting directories
+ * in VMS file.dir notation.
+ */
+ if ((speclen > 1) && (file_spec[speclen-1] == '/')) {
+ char *vms_src, *vms_dir, *rslt;
+ int ret = -1;
+ errno = EIO;
+
+ /* First convert this to a VMS format specification */
+ vms_src = PerlMem_malloc(VMS_MAXRSS);
+ if (vms_src == NULL)
+ _ckvmssts(SS$_INSFMEM);
+
+ rslt = do_tovmsspec(file_spec, vms_src, 0, NULL);
+ if (rslt == NULL) {
+ /* If we fail, then not a file specification */
+ PerlMem_free(vms_src);
+ errno = EIO;
+ return -1;
+ }
+
+ /* Now make it a directory spec so chmod is happy */
+ vms_dir = PerlMem_malloc(VMS_MAXRSS + 1);
+ if (vms_dir == NULL)
+ _ckvmssts(SS$_INSFMEM);
+ rslt = do_fileify_dirspec(vms_src, vms_dir, 0, NULL);
+ PerlMem_free(vms_src);
+
+ /* Now do it */
+ if (rslt != NULL) {
+ ret = chmod(vms_dir, mode);
+ } else {
+ errno = EIO;
+ }
+ PerlMem_free(vms_dir);
+ return ret;
+ }
+ else return chmod(file_spec, mode);
+} /* end of my_chmod */
+/*}}}*/
+
+
/*{{{FILE *my_tmpfile()*/
FILE *
my_tmpfile(void)
(nam.naml$l_long_name_size + nam.naml$l_long_type_size)
#endif
+
/* rms_erase
* The CRTL for 8.3 and later can create symbolic links in any mode,
- * however the unlink/remove/delete routines will only properly handle
+ * however in 8.3 the unlink/remove/delete routines will only properly handle
* them if one of the PCP modes is active.
- *
- * Future: rename() routine will also need this when the unlink_all_versions
- * option is set.
*/
static int rms_erase(const char * vmsname)
{
rms_set_fna(myfab, mynam, (char *)vmsname, strlen(vmsname)); /* cast ok */
rms_bind_fab_nam(myfab, mynam);
-\
+
/* Are we removing all versions? */
if (vms_unlink_all_versions == 1) {
const char * defspec = ";*";
}
+static int
+vms_rename_with_acl(pTHX_ const struct dsc$descriptor_s * vms_src_dsc,
+ const struct dsc$descriptor_s * vms_dst_dsc,
+ unsigned long flags)
+{
+ /* VMS and UNIX handle file permissions differently and the
+ * the same ACL trick may be needed for renaming files,
+ * especially if they are directories.
+ */
+
+ /* todo: get kill_file and rename to share common code */
+ /* I can not find online documentation for $change_acl
+ * it appears to be replaced by $set_security some time ago */
+
+const unsigned int access_mode = 0;
+$DESCRIPTOR(obj_file_dsc,"FILE");
+char *vmsname;
+char *rslt;
+unsigned long int jpicode = JPI$_UIC, type = ACL$C_FILE;
+int aclsts, fndsts, rnsts = -1;
+unsigned int ctx = 0;
+struct dsc$descriptor_s fildsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
+struct dsc$descriptor_s * clean_dsc;
+
+struct myacedef {
+ unsigned char myace$b_length;
+ unsigned char myace$b_type;
+ unsigned short int myace$w_flags;
+ unsigned long int myace$l_access;
+ unsigned long int myace$l_ident;
+} newace = { sizeof(struct myacedef), ACE$C_KEYID, 0,
+ ACE$M_READ | ACE$M_WRITE | ACE$M_DELETE | ACE$M_CONTROL,
+ 0},
+ oldace = { sizeof(struct myacedef), ACE$C_KEYID, 0, 0, 0};
+
+struct item_list_3
+ findlst[3] = {{sizeof oldace, OSS$_ACL_FIND_ENTRY, &oldace, 0},
+ {sizeof oldace, OSS$_ACL_READ_ENTRY, &oldace, 0},
+ {0,0,0,0}},
+ addlst[2] = {{sizeof newace, OSS$_ACL_ADD_ENTRY, &newace, 0},{0,0,0,0}},
+ dellst[2] = {{sizeof newace, OSS$_ACL_DELETE_ENTRY, &newace, 0},
+ {0,0,0,0}};
+
+
+ /* Expand the input spec using RMS, since we do not want to put
+ * ACLs on the target of a symbolic link */
+ vmsname = PerlMem_malloc(NAM$C_MAXRSS+1);
+ if (vmsname == NULL)
+ return SS$_INSFMEM;
+
+ rslt = do_rmsexpand(vms_src_dsc->dsc$a_pointer,
+ vmsname,
+ 0,
+ NULL,
+ PERL_RMSEXPAND_M_VMS | PERL_RMSEXPAND_M_SYMLINK,
+ NULL,
+ NULL);
+ if (rslt == NULL) {
+ PerlMem_free(vmsname);
+ return SS$_INSFMEM;
+ }
+
+ /* So we get our own UIC to use as a rights identifier,
+ * and the insert an ACE at the head of the ACL which allows us
+ * to delete the file.
+ */
+ _ckvmssts(lib$getjpi(&jpicode,0,0,&(oldace.myace$l_ident),0,0));
+
+ fildsc.dsc$w_length = strlen(vmsname);
+ fildsc.dsc$a_pointer = vmsname;
+ ctx = 0;
+ newace.myace$l_ident = oldace.myace$l_ident;
+ rnsts = SS$_ABORT;
+
+ /* Grab any existing ACEs with this identifier in case we fail */
+ clean_dsc = &fildsc;
+ aclsts = fndsts = sys$get_security(&obj_file_dsc,
+ &fildsc,
+ NULL,
+ OSS$M_WLOCK,
+ findlst,
+ &ctx,
+ &access_mode);
+
+ if ($VMS_STATUS_SUCCESS(fndsts) || (fndsts == SS$_ACLEMPTY)) {
+ /* Add the new ACE . . . */
+
+ /* if the sys$get_security succeeded, then ctx is valid, and the
+ * object/file descriptors will be ignored. But otherwise they
+ * are needed
+ */
+ aclsts = sys$set_security(&obj_file_dsc, &fildsc, NULL,
+ OSS$M_RELCTX, addlst, &ctx, &access_mode);
+ if (!$VMS_STATUS_SUCCESS(aclsts) && (aclsts != SS$_NOCLASS)) {
+ set_errno(EVMSERR);
+ set_vaxc_errno(aclsts);
+ PerlMem_free(vmsname);
+ return aclsts;
+ }
+
+ rnsts = lib$rename_file(vms_src_dsc, vms_dst_dsc,
+ NULL, NULL,
+ &flags,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL);
+
+ if ($VMS_STATUS_SUCCESS(rnsts)) {
+ clean_dsc = (struct dsc$descriptor_s *)vms_dst_dsc;
+ }
+
+ /* Put things back the way they were. */
+ ctx = 0;
+ aclsts = sys$get_security(&obj_file_dsc,
+ clean_dsc,
+ NULL,
+ OSS$M_WLOCK,
+ findlst,
+ &ctx,
+ &access_mode);
+
+ if ($VMS_STATUS_SUCCESS(aclsts)) {
+ int sec_flags;
+
+ sec_flags = 0;
+ if (!$VMS_STATUS_SUCCESS(fndsts))
+ sec_flags = OSS$M_RELCTX;
+
+ /* Get rid of the new ACE */
+ aclsts = sys$set_security(NULL, NULL, NULL,
+ sec_flags, dellst, &ctx, &access_mode);
+
+ /* If there was an old ACE, put it back */
+ if ($VMS_STATUS_SUCCESS(aclsts) && $VMS_STATUS_SUCCESS(fndsts)) {
+ addlst[0].bufadr = &oldace;
+ aclsts = sys$set_security(NULL, NULL, NULL,
+ OSS$M_RELCTX, addlst, &ctx, &access_mode);
+ if (!$VMS_STATUS_SUCCESS(aclsts) && (aclsts != SS$_NOCLASS)) {
+ set_errno(EVMSERR);
+ set_vaxc_errno(aclsts);
+ rnsts = aclsts;
+ }
+ } else {
+ int aclsts2;
+
+ /* Try to clear the lock on the ACL list */
+ aclsts2 = sys$set_security(NULL, NULL, NULL,
+ OSS$M_RELCTX, NULL, &ctx, &access_mode);
+
+ /* Rename errors are most important */
+ if (!$VMS_STATUS_SUCCESS(rnsts))
+ aclsts = rnsts;
+ set_errno(EVMSERR);
+ set_vaxc_errno(aclsts);
+ rnsts = aclsts;
+ }
+ }
+ else {
+ if (aclsts != SS$_ACLEMPTY)
+ rnsts = aclsts;
+ }
+ }
+ else
+ rnsts = fndsts;
+
+ PerlMem_free(vmsname);
+ return rnsts;
+}
+
+
+/*{{{int rename(const char *, const char * */
+/* Not exactly what X/Open says to do, but doing it absolutely right
+ * and efficiently would require a lot more work. This should be close
+ * enough to pass all but the most strict X/Open compliance test.
+ */
+int
+Perl_rename(pTHX_ const char *src, const char * dst)
+{
+int retval;
+int pre_delete = 0;
+int src_sts;
+int dst_sts;
+Stat_t src_st;
+Stat_t dst_st;
+
+ /* Validate the source file */
+ src_sts = flex_lstat(src, &src_st);
+ if (src_sts != 0) {
+
+ /* No source file or other problem */
+ return src_sts;
+ }
+
+ dst_sts = flex_lstat(dst, &dst_st);
+ if (dst_sts == 0) {
+
+ if (dst_st.st_dev != src_st.st_dev) {
+ /* Must be on the same device */
+ errno = EXDEV;
+ return -1;
+ }
+
+ /* VMS_INO_T_COMPARE is true if the inodes are different
+ * to match the output of memcmp
+ */
+
+ if (!VMS_INO_T_COMPARE(src_st.st_ino, dst_st.st_ino)) {
+ /* That was easy, the files are the same! */
+ return 0;
+ }
+
+ if (S_ISDIR(src_st.st_mode) && !S_ISDIR(dst_st.st_mode)) {
+ /* If source is a directory, so must be dest */
+ errno = EISDIR;
+ return -1;
+ }
+
+ }
+
+
+ if ((dst_sts == 0) &&
+ (vms_unlink_all_versions || S_ISDIR(dst_st.st_mode))) {
+
+ /* We have issues here if vms_unlink_all_versions is set
+ * If the destination exists, and is not a directory, then
+ * we must delete in advance.
+ *
+ * If the src is a directory, then we must always pre-delete
+ * the destination.
+ *
+ * If we successfully delete the dst in advance, and the rename fails
+ * X/Open requires that errno be EIO.
+ *
+ */
+
+ if (!S_ISDIR(dst_st.st_mode) || S_ISDIR(src_st.st_mode)) {
+ int d_sts;
+ d_sts = mp_do_kill_file(aTHX_ dst, S_ISDIR(dst_st.st_mode));
+ if (d_sts != 0)
+ return d_sts;
+
+ /* We killed the destination, so only errno now is EIO */
+ pre_delete = 1;
+ }
+ }
+
+ /* Originally the idea was to call the CRTL rename() and only
+ * try the lib$rename_file if it failed.
+ * It turns out that there are too many variants in what the
+ * the CRTL rename might do, so only use lib$rename_file
+ */
+ retval = -1;
+
+ {
+ /* Is the source and dest both in VMS format */
+ /* if the source is a directory, then need to fileify */
+ /* and dest must be a directory or non-existant. */
+
+ char * vms_src;
+ char * vms_dst;
+ int sts;
+ char * ret_str;
+ unsigned long flags;
+ struct dsc$descriptor_s old_file_dsc;
+ struct dsc$descriptor_s new_file_dsc;
+
+ /* We need to modify the src and dst depending
+ * on if one or more of them are directories.
+ */
+
+ vms_src = PerlMem_malloc(VMS_MAXRSS);
+ if (vms_src == NULL)
+ _ckvmssts(SS$_INSFMEM);
+
+ /* Source is always a VMS format file */
+ ret_str = do_tovmsspec(src, vms_src, 0, NULL);
+ if (ret_str == NULL) {
+ PerlMem_free(vms_src);
+ errno = EIO;
+ return -1;
+ }
+
+ vms_dst = PerlMem_malloc(VMS_MAXRSS);
+ if (vms_dst == NULL)
+ _ckvmssts(SS$_INSFMEM);
+
+ if (S_ISDIR(src_st.st_mode)) {
+ char * ret_str;
+ char * vms_dir_file;
+
+ vms_dir_file = PerlMem_malloc(VMS_MAXRSS);
+ if (vms_dir_file == NULL)
+ _ckvmssts(SS$_INSFMEM);
+
+ /* The source must be a file specification */
+ ret_str = do_fileify_dirspec(vms_src, vms_dir_file, 0, NULL);
+ if (ret_str == NULL) {
+ PerlMem_free(vms_src);
+ PerlMem_free(vms_dst);
+ PerlMem_free(vms_dir_file);
+ errno = EIO;
+ return -1;
+ }
+ PerlMem_free(vms_src);
+ vms_src = vms_dir_file;
+
+ /* If the dest is a directory, we must remove it
+ if (dst_sts == 0) {
+ int d_sts;
+ d_sts = mp_do_kill_file(aTHX_ dst, 1);
+ if (d_sts != 0) {
+ PerlMem_free(vms_src);
+ PerlMem_free(vms_dst);
+ errno = EIO;
+ return sts;
+ }
+
+ pre_delete = 1;
+ }
+
+ /* The dest must be a VMS file specification */
+ ret_str = do_tovmsspec(dst, vms_dst, 0, NULL);
+ if (ret_str == NULL) {
+ PerlMem_free(vms_src);
+ PerlMem_free(vms_dst);
+ errno = EIO;
+ return -1;
+ }
+
+ /* The source must be a file specification */
+ vms_dir_file = PerlMem_malloc(VMS_MAXRSS);
+ if (vms_dir_file == NULL)
+ _ckvmssts(SS$_INSFMEM);
+
+ ret_str = do_fileify_dirspec(vms_dst, vms_dir_file, 0, NULL);
+ if (ret_str == NULL) {
+ PerlMem_free(vms_src);
+ PerlMem_free(vms_dst);
+ PerlMem_free(vms_dir_file);
+ errno = EIO;
+ return -1;
+ }
+ PerlMem_free(vms_dst);
+ vms_dst = vms_dir_file;
+
+ } else {
+ /* File to file or file to new dir */
+
+ if ((dst_sts == 0) && S_ISDIR(dst_st.st_mode)) {
+ /* VMS pathify a dir target */
+ ret_str = do_tovmspath(dst, vms_dst, 0, NULL);
+ if (ret_str == NULL) {
+ PerlMem_free(vms_src);
+ PerlMem_free(vms_dst);
+ errno = EIO;
+ return -1;
+ }
+ } else {
+
+ /* fileify a target VMS file specification */
+ ret_str = do_tovmsspec(dst, vms_dst, 0, NULL);
+ if (ret_str == NULL) {
+ PerlMem_free(vms_src);
+ PerlMem_free(vms_dst);
+ errno = EIO;
+ return -1;
+ }
+ }
+ }
+
+ old_file_dsc.dsc$a_pointer = vms_src;
+ old_file_dsc.dsc$w_length = strlen(vms_src);
+ old_file_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+ old_file_dsc.dsc$b_class = DSC$K_CLASS_S;
+
+ new_file_dsc.dsc$a_pointer = vms_dst;
+ new_file_dsc.dsc$w_length = strlen(vms_dst);
+ new_file_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+ new_file_dsc.dsc$b_class = DSC$K_CLASS_S;
+
+ flags = 0;
+#if !defined(__VAX) && defined(NAML$C_MAXRSS)
+ flags |= 2; /* LIB$M_FIL_LONG_NAMES */
+#endif
+
+ sts = lib$rename_file(&old_file_dsc,
+ &new_file_dsc,
+ NULL, NULL,
+ &flags,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL);
+ if (!$VMS_STATUS_SUCCESS(sts)) {
+
+ /* We could have failed because VMS style permissions do not
+ * permit renames that UNIX will allow. Just like the hack
+ * in for kill_file.
+ */
+ sts = vms_rename_with_acl(aTHX_ &old_file_dsc, &new_file_dsc, flags);
+ }
+
+ PerlMem_free(vms_src);
+ PerlMem_free(vms_dst);
+ if (!$VMS_STATUS_SUCCESS(sts)) {
+ errno = EIO;
+ return -1;
+ }
+ retval = 0;
+ }
+
+ if (vms_unlink_all_versions) {
+ /* Now get rid of any previous versions of the source file that
+ * might still exist
+ */
+ int save_errno;
+ save_errno = errno;
+ src_sts = mp_do_kill_file(aTHX_ src, S_ISDIR(src_st.st_mode));
+ errno = save_errno;
+ }
+
+ /* We deleted the destination, so must force the error to be EIO */
+ if ((retval != 0) && (pre_delete != 0))
+ errno = EIO;
+
+ return retval;
+}
+/*}}}*/
+
+
/*{{{char *do_rmsexpand(char *fspec, char *out, int ts, char *def, unsigned opts)*/
/* Shortcut for common case of simple calls to $PARSE and $SEARCH
* to expand file specification. Allows for a single default file
retval = lstat(temp_fspec,(stat_t *) statbufp);
save_spec = temp_fspec;
}
+/*
+ * In debugging, on 8.3 Alpha, I found a case where stat was returning a
+ * file not found error for a directory named foo:[bar.t] or /foo/bar/t
+ * and lstat was working correctly for the same file.
+ * The only syntax that was working for stat was "foo:[bar]t.dir".
+ *
+ * Other directories with the same syntax worked fine.
+ * So work around the problem when it shows up here.
+ */
+ if (retval) {
+ int save_errno = errno;
+ if (do_tovmsspec(fspec, temp_fspec, 0, NULL) != NULL) {
+ if (do_fileify_dirspec(temp_fspec, fileified, 0, NULL) != NULL) {
+ retval = stat(fileified, (stat_t *) statbufp);
+ save_spec = fileified;
+ }
+ }
+ /* Restore the errno value if third stat does not succeed */
+ if (retval != 0)
+ errno = save_errno;
+ }
#if __CRTL_VER >= 80200000 && !defined(__VAX)
} else {
if (lstat_flag == 0)
projects / p5sagit/p5-mst-13.2.git / blobdiff