diff options
Diffstat (limited to 'thirdparty/openssl/crypto/LPdir_vms.c')
| -rw-r--r-- | thirdparty/openssl/crypto/LPdir_vms.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/LPdir_vms.c b/thirdparty/openssl/crypto/LPdir_vms.c new file mode 100644 index 0000000000..88c7ddd85c --- /dev/null +++ b/thirdparty/openssl/crypto/LPdir_vms.c @@ -0,0 +1,195 @@ +/* + * Copyright (c) 2004, Richard Levitte <richard@levitte.org> + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS 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 COPYRIGHT + * OWNER OR 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. + */ + +#include <stddef.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <descrip.h> +#include <namdef.h> +#include <rmsdef.h> +#include <libfildef.h> +#include <lib$routines.h> +#include <strdef.h> +#include <str$routines.h> +#include <stsdef.h> +#ifndef LPDIR_H +# include "LPdir.h" +#endif +#include "vms_rms.h" + +/* Some compiler options hide EVMSERR. */ +#ifndef EVMSERR +# define EVMSERR 65535 /* error for non-translatable VMS errors */ +#endif + +struct LP_dir_context_st { + unsigned long VMS_context; + char filespec[NAMX_MAXRSS + 1]; + char result[NAMX_MAXRSS + 1]; + struct dsc$descriptor_d filespec_dsc; + struct dsc$descriptor_d result_dsc; +}; + +const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory) +{ + int status; + char *p, *r; + size_t l; + unsigned long flags = 0; + +/* Arrange 32-bit pointer to (copied) string storage, if needed. */ +#if __INITIAL_POINTER_SIZE == 64 +# pragma pointer_size save +# pragma pointer_size 32 + char *ctx_filespec_32p; +# pragma pointer_size restore + char ctx_filespec_32[NAMX_MAXRSS + 1]; +#endif /* __INITIAL_POINTER_SIZE == 64 */ + +#ifdef NAML$C_MAXRSS + flags |= LIB$M_FIL_LONG_NAMES; +#endif + + if (ctx == NULL || directory == NULL) { + errno = EINVAL; + return 0; + } + + errno = 0; + if (*ctx == NULL) { + size_t filespeclen = strlen(directory); + char *filespec = NULL; + + if (filespeclen == 0) { + errno = ENOENT; + return 0; + } + + /* MUST be a VMS directory specification! Let's estimate if it is. */ + if (directory[filespeclen - 1] != ']' + && directory[filespeclen - 1] != '>' + && directory[filespeclen - 1] != ':') { + errno = EINVAL; + return 0; + } + + filespeclen += 4; /* "*.*;" */ + + if (filespeclen > NAMX_MAXRSS) { + errno = ENAMETOOLONG; + return 0; + } + + *ctx = (LP_DIR_CTX *)malloc(sizeof(LP_DIR_CTX)); + if (*ctx == NULL) { + errno = ENOMEM; + return 0; + } + memset(*ctx, '\0', sizeof(LP_DIR_CTX)); + + strcpy((*ctx)->filespec, directory); + strcat((*ctx)->filespec, "*.*;"); + +/* Arrange 32-bit pointer to (copied) string storage, if needed. */ +#if __INITIAL_POINTER_SIZE == 64 +# define CTX_FILESPEC ctx_filespec_32p + /* Copy the file name to storage with a 32-bit pointer. */ + ctx_filespec_32p = ctx_filespec_32; + strcpy(ctx_filespec_32p, (*ctx)->filespec); +#else /* __INITIAL_POINTER_SIZE == 64 */ +# define CTX_FILESPEC (*ctx)->filespec +#endif /* __INITIAL_POINTER_SIZE == 64 [else] */ + + (*ctx)->filespec_dsc.dsc$w_length = filespeclen; + (*ctx)->filespec_dsc.dsc$b_dtype = DSC$K_DTYPE_T; + (*ctx)->filespec_dsc.dsc$b_class = DSC$K_CLASS_S; + (*ctx)->filespec_dsc.dsc$a_pointer = CTX_FILESPEC; + } + + (*ctx)->result_dsc.dsc$w_length = 0; + (*ctx)->result_dsc.dsc$b_dtype = DSC$K_DTYPE_T; + (*ctx)->result_dsc.dsc$b_class = DSC$K_CLASS_D; + (*ctx)->result_dsc.dsc$a_pointer = 0; + + status = lib$find_file(&(*ctx)->filespec_dsc, &(*ctx)->result_dsc, + &(*ctx)->VMS_context, 0, 0, 0, &flags); + + if (status == RMS$_NMF) { + errno = 0; + vaxc$errno = status; + return NULL; + } + + if (!$VMS_STATUS_SUCCESS(status)) { + errno = EVMSERR; + vaxc$errno = status; + return NULL; + } + + /* + * Quick, cheap and dirty way to discard any device and directory, since + * we only want file names + */ + l = (*ctx)->result_dsc.dsc$w_length; + p = (*ctx)->result_dsc.dsc$a_pointer; + r = p; + for (; *p; p++) { + if (*p == '^' && p[1] != '\0') { /* Take care of ODS-5 escapes */ + p++; + } else if (*p == ':' || *p == '>' || *p == ']') { + l -= p + 1 - r; + r = p + 1; + } else if (*p == ';') { + l = p - r; + break; + } + } + + strncpy((*ctx)->result, r, l); + (*ctx)->result[l] = '\0'; + str$free1_dx(&(*ctx)->result_dsc); + + return (*ctx)->result; +} + +int LP_find_file_end(LP_DIR_CTX **ctx) +{ + if (ctx != NULL && *ctx != NULL) { + int status = lib$find_file_end(&(*ctx)->VMS_context); + + free(*ctx); + + if (!$VMS_STATUS_SUCCESS(status)) { + errno = EVMSERR; + vaxc$errno = status; + return 0; + } + return 1; + } + errno = EINVAL; + return 0; +} |