diff options
Diffstat (limited to 'src/lib/libcrypto/LPdir_vms.c')
| -rw-r--r-- | src/lib/libcrypto/LPdir_vms.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/lib/libcrypto/LPdir_vms.c b/src/lib/libcrypto/LPdir_vms.c new file mode 100644 index 0000000000..85b427a623 --- /dev/null +++ b/src/lib/libcrypto/LPdir_vms.c | |||
| @@ -0,0 +1,199 @@ | |||
| 1 | /* $LP: LPlib/source/LPdir_vms.c,v 1.20 2004/08/26 13:36:05 _cvs_levitte Exp $ */ | ||
| 2 | /* | ||
| 3 | * Copyright (c) 2004, Richard Levitte <richard@levitte.org> | ||
| 4 | * All rights reserved. | ||
| 5 | * | ||
| 6 | * Redistribution and use in source and binary forms, with or without | ||
| 7 | * modification, are permitted provided that the following conditions | ||
| 8 | * are met: | ||
| 9 | * 1. Redistributions of source code must retain the above copyright | ||
| 10 | * notice, this list of conditions and the following disclaimer. | ||
| 11 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 12 | * notice, this list of conditions and the following disclaimer in the | ||
| 13 | * documentation and/or other materials provided with the distribution. | ||
| 14 | * | ||
| 15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| 16 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| 17 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| 18 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| 19 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| 21 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| 23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| 25 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 26 | */ | ||
| 27 | |||
| 28 | #include <stddef.h> | ||
| 29 | #include <stdlib.h> | ||
| 30 | #include <string.h> | ||
| 31 | #include <errno.h> | ||
| 32 | #include <descrip.h> | ||
| 33 | #include <namdef.h> | ||
| 34 | #include <rmsdef.h> | ||
| 35 | #include <libfildef.h> | ||
| 36 | #include <lib$routines.h> | ||
| 37 | #include <strdef.h> | ||
| 38 | #include <str$routines.h> | ||
| 39 | #include <stsdef.h> | ||
| 40 | #ifndef LPDIR_H | ||
| 41 | #include "LPdir.h" | ||
| 42 | #endif | ||
| 43 | |||
| 44 | /* Because some compiler options hide this macor */ | ||
| 45 | #ifndef EVMSERR | ||
| 46 | #define EVMSERR 65535 /* error for non-translatable VMS errors */ | ||
| 47 | #endif | ||
| 48 | |||
| 49 | struct LP_dir_context_st | ||
| 50 | { | ||
| 51 | unsigned long VMS_context; | ||
| 52 | #ifdef NAML$C_MAXRSS | ||
| 53 | char filespec[NAML$C_MAXRSS+1]; | ||
| 54 | char result[NAML$C_MAXRSS+1]; | ||
| 55 | #else | ||
| 56 | char filespec[256]; | ||
| 57 | char result[256]; | ||
| 58 | #endif | ||
| 59 | struct dsc$descriptor_d filespec_dsc; | ||
| 60 | struct dsc$descriptor_d result_dsc; | ||
| 61 | }; | ||
| 62 | |||
| 63 | const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory) | ||
| 64 | { | ||
| 65 | int status; | ||
| 66 | char *p, *r; | ||
| 67 | size_t l; | ||
| 68 | unsigned long flags = 0; | ||
| 69 | #ifdef NAML$C_MAXRSS | ||
| 70 | flags |= LIB$M_FIL_LONG_NAMES; | ||
| 71 | #endif | ||
| 72 | |||
| 73 | if (ctx == NULL || directory == NULL) | ||
| 74 | { | ||
| 75 | errno = EINVAL; | ||
| 76 | return 0; | ||
| 77 | } | ||
| 78 | |||
| 79 | errno = 0; | ||
| 80 | if (*ctx == NULL) | ||
| 81 | { | ||
| 82 | size_t filespeclen = strlen(directory); | ||
| 83 | char *filespec = NULL; | ||
| 84 | |||
| 85 | /* MUST be a VMS directory specification! Let's estimate if it is. */ | ||
| 86 | if (directory[filespeclen-1] != ']' | ||
| 87 | && directory[filespeclen-1] != '>' | ||
| 88 | && directory[filespeclen-1] != ':') | ||
| 89 | { | ||
| 90 | errno = EINVAL; | ||
| 91 | return 0; | ||
| 92 | } | ||
| 93 | |||
| 94 | filespeclen += 4; /* "*.*;" */ | ||
| 95 | |||
| 96 | if (filespeclen > | ||
| 97 | #ifdef NAML$C_MAXRSS | ||
| 98 | NAML$C_MAXRSS | ||
| 99 | #else | ||
| 100 | 255 | ||
| 101 | #endif | ||
| 102 | ) | ||
| 103 | { | ||
| 104 | errno = ENAMETOOLONG; | ||
| 105 | return 0; | ||
| 106 | } | ||
| 107 | |||
| 108 | *ctx = (LP_DIR_CTX *)malloc(sizeof(LP_DIR_CTX)); | ||
| 109 | if (*ctx == NULL) | ||
| 110 | { | ||
| 111 | errno = ENOMEM; | ||
| 112 | return 0; | ||
| 113 | } | ||
| 114 | memset(*ctx, '\0', sizeof(LP_DIR_CTX)); | ||
| 115 | |||
| 116 | strcpy((*ctx)->filespec,directory); | ||
| 117 | strcat((*ctx)->filespec,"*.*;"); | ||
| 118 | (*ctx)->filespec_dsc.dsc$w_length = filespeclen; | ||
| 119 | (*ctx)->filespec_dsc.dsc$b_dtype = DSC$K_DTYPE_T; | ||
| 120 | (*ctx)->filespec_dsc.dsc$b_class = DSC$K_CLASS_S; | ||
| 121 | (*ctx)->filespec_dsc.dsc$a_pointer = (*ctx)->filespec; | ||
| 122 | (*ctx)->result_dsc.dsc$w_length = 0; | ||
| 123 | (*ctx)->result_dsc.dsc$b_dtype = DSC$K_DTYPE_T; | ||
| 124 | (*ctx)->result_dsc.dsc$b_class = DSC$K_CLASS_D; | ||
| 125 | (*ctx)->result_dsc.dsc$a_pointer = 0; | ||
| 126 | } | ||
| 127 | |||
| 128 | (*ctx)->result_dsc.dsc$w_length = 0; | ||
| 129 | (*ctx)->result_dsc.dsc$b_dtype = DSC$K_DTYPE_T; | ||
| 130 | (*ctx)->result_dsc.dsc$b_class = DSC$K_CLASS_D; | ||
| 131 | (*ctx)->result_dsc.dsc$a_pointer = 0; | ||
| 132 | |||
| 133 | status = lib$find_file(&(*ctx)->filespec_dsc, &(*ctx)->result_dsc, | ||
| 134 | &(*ctx)->VMS_context, 0, 0, 0, &flags); | ||
| 135 | |||
| 136 | if (status == RMS$_NMF) | ||
| 137 | { | ||
| 138 | errno = 0; | ||
| 139 | vaxc$errno = status; | ||
| 140 | return NULL; | ||
| 141 | } | ||
| 142 | |||
| 143 | if(!$VMS_STATUS_SUCCESS(status)) | ||
| 144 | { | ||
| 145 | errno = EVMSERR; | ||
| 146 | vaxc$errno = status; | ||
| 147 | return NULL; | ||
| 148 | } | ||
| 149 | |||
| 150 | /* Quick, cheap and dirty way to discard any device and directory, | ||
| 151 | since we only want file names */ | ||
| 152 | l = (*ctx)->result_dsc.dsc$w_length; | ||
| 153 | p = (*ctx)->result_dsc.dsc$a_pointer; | ||
| 154 | r = p; | ||
| 155 | for (; *p; p++) | ||
| 156 | { | ||
| 157 | if (*p == '^' && p[1] != '\0') /* Take care of ODS-5 escapes */ | ||
| 158 | { | ||
| 159 | p++; | ||
| 160 | } | ||
| 161 | else if (*p == ':' || *p == '>' || *p == ']') | ||
| 162 | { | ||
| 163 | l -= p + 1 - r; | ||
| 164 | r = p + 1; | ||
| 165 | } | ||
| 166 | else if (*p == ';') | ||
| 167 | { | ||
| 168 | l = p - r; | ||
| 169 | break; | ||
| 170 | } | ||
| 171 | } | ||
| 172 | |||
| 173 | strncpy((*ctx)->result, r, l); | ||
| 174 | (*ctx)->result[l] = '\0'; | ||
| 175 | str$free1_dx(&(*ctx)->result_dsc); | ||
| 176 | |||
| 177 | return (*ctx)->result; | ||
| 178 | } | ||
| 179 | |||
| 180 | int LP_find_file_end(LP_DIR_CTX **ctx) | ||
| 181 | { | ||
| 182 | if (ctx != NULL && *ctx != NULL) | ||
| 183 | { | ||
| 184 | int status = lib$find_file_end(&(*ctx)->VMS_context); | ||
| 185 | |||
| 186 | free(*ctx); | ||
| 187 | |||
| 188 | if(!$VMS_STATUS_SUCCESS(status)) | ||
| 189 | { | ||
| 190 | errno = EVMSERR; | ||
| 191 | vaxc$errno = status; | ||
| 192 | return 0; | ||
| 193 | } | ||
| 194 | return 1; | ||
| 195 | } | ||
| 196 | errno = EINVAL; | ||
| 197 | return 0; | ||
| 198 | } | ||
| 199 | |||
