OLD | NEW |
(Empty) | |
| 1 /* dso_beos.c */ |
| 2 /* Written by Marcin Konicki (ahwayakchih@neoni.net) for the OpenSSL |
| 3 * project 2000. |
| 4 */ |
| 5 /* ==================================================================== |
| 6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved. |
| 7 * |
| 8 * Redistribution and use in source and binary forms, with or without |
| 9 * modification, are permitted provided that the following conditions |
| 10 * are met: |
| 11 * |
| 12 * 1. Redistributions of source code must retain the above copyright |
| 13 * notice, this list of conditions and the following disclaimer. |
| 14 * |
| 15 * 2. Redistributions in binary form must reproduce the above copyright |
| 16 * notice, this list of conditions and the following disclaimer in |
| 17 * the documentation and/or other materials provided with the |
| 18 * distribution. |
| 19 * |
| 20 * 3. All advertising materials mentioning features or use of this |
| 21 * software must display the following acknowledgment: |
| 22 * "This product includes software developed by the OpenSSL Project |
| 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| 24 * |
| 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 26 * endorse or promote products derived from this software without |
| 27 * prior written permission. For written permission, please contact |
| 28 * licensing@OpenSSL.org. |
| 29 * |
| 30 * 5. Products derived from this software may not be called "OpenSSL" |
| 31 * nor may "OpenSSL" appear in their names without prior written |
| 32 * permission of the OpenSSL Project. |
| 33 * |
| 34 * 6. Redistributions of any form whatsoever must retain the following |
| 35 * acknowledgment: |
| 36 * "This product includes software developed by the OpenSSL Project |
| 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| 38 * |
| 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 50 * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 51 * ==================================================================== |
| 52 * |
| 53 * This product includes cryptographic software written by Eric Young |
| 54 * (eay@cryptsoft.com). This product includes software written by Tim |
| 55 * Hudson (tjh@cryptsoft.com). |
| 56 * |
| 57 */ |
| 58 |
| 59 #include <stdio.h> |
| 60 #include <string.h> |
| 61 #include "cryptlib.h" |
| 62 #include <openssl/dso.h> |
| 63 |
| 64 #if !defined(OPENSSL_SYS_BEOS) |
| 65 DSO_METHOD *DSO_METHOD_beos(void) |
| 66 { |
| 67 return NULL; |
| 68 } |
| 69 #else |
| 70 |
| 71 #include <kernel/image.h> |
| 72 |
| 73 static int beos_load(DSO *dso); |
| 74 static int beos_unload(DSO *dso); |
| 75 static void *beos_bind_var(DSO *dso, const char *symname); |
| 76 static DSO_FUNC_TYPE beos_bind_func(DSO *dso, const char *symname); |
| 77 #if 0 |
| 78 static int beos_unbind_var(DSO *dso, char *symname, void *symptr); |
| 79 static int beos_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr); |
| 80 static int beos_init(DSO *dso); |
| 81 static int beos_finish(DSO *dso); |
| 82 static long beos_ctrl(DSO *dso, int cmd, long larg, void *parg); |
| 83 #endif |
| 84 static char *beos_name_converter(DSO *dso, const char *filename); |
| 85 |
| 86 static DSO_METHOD dso_meth_beos = { |
| 87 "OpenSSL 'beos' shared library method", |
| 88 beos_load, |
| 89 beos_unload, |
| 90 beos_bind_var, |
| 91 beos_bind_func, |
| 92 /* For now, "unbind" doesn't exist */ |
| 93 #if 0 |
| 94 NULL, /* unbind_var */ |
| 95 NULL, /* unbind_func */ |
| 96 #endif |
| 97 NULL, /* ctrl */ |
| 98 beos_name_converter, |
| 99 NULL, /* init */ |
| 100 NULL /* finish */ |
| 101 }; |
| 102 |
| 103 DSO_METHOD *DSO_METHOD_beos(void) |
| 104 { |
| 105 return(&dso_meth_beos); |
| 106 } |
| 107 |
| 108 /* For this DSO_METHOD, our meth_data STACK will contain; |
| 109 * (i) a pointer to the handle (image_id) returned from |
| 110 * load_add_on(). |
| 111 */ |
| 112 |
| 113 static int beos_load(DSO *dso) |
| 114 { |
| 115 image_id id; |
| 116 /* See applicable comments from dso_dl.c */ |
| 117 char *filename = DSO_convert_filename(dso, NULL); |
| 118 |
| 119 if(filename == NULL) |
| 120 { |
| 121 DSOerr(DSO_F_BEOS_LOAD,DSO_R_NO_FILENAME); |
| 122 goto err; |
| 123 } |
| 124 id = load_add_on(filename); |
| 125 if(id < 1) |
| 126 { |
| 127 DSOerr(DSO_F_BEOS_LOAD,DSO_R_LOAD_FAILED); |
| 128 ERR_add_error_data(3, "filename(", filename, ")"); |
| 129 goto err; |
| 130 } |
| 131 if(!sk_push(dso->meth_data, (char *)id)) |
| 132 { |
| 133 DSOerr(DSO_F_BEOS_LOAD,DSO_R_STACK_ERROR); |
| 134 goto err; |
| 135 } |
| 136 /* Success */ |
| 137 dso->loaded_filename = filename; |
| 138 return(1); |
| 139 err: |
| 140 /* Cleanup !*/ |
| 141 if(filename != NULL) |
| 142 OPENSSL_free(filename); |
| 143 if(id > 0) |
| 144 unload_add_on(id); |
| 145 return(0); |
| 146 } |
| 147 |
| 148 static int beos_unload(DSO *dso) |
| 149 { |
| 150 image_id id; |
| 151 if(dso == NULL) |
| 152 { |
| 153 DSOerr(DSO_F_BEOS_UNLOAD,ERR_R_PASSED_NULL_PARAMETER); |
| 154 return(0); |
| 155 } |
| 156 if(sk_num(dso->meth_data) < 1) |
| 157 return(1); |
| 158 id = (image_id)sk_pop(dso->meth_data); |
| 159 if(id < 1) |
| 160 { |
| 161 DSOerr(DSO_F_BEOS_UNLOAD,DSO_R_NULL_HANDLE); |
| 162 return(0); |
| 163 } |
| 164 if(unload_add_on(id) != B_OK) |
| 165 { |
| 166 DSOerr(DSO_F_BEOS_UNLOAD,DSO_R_UNLOAD_FAILED); |
| 167 /* We should push the value back onto the stack in |
| 168 * case of a retry. */ |
| 169 sk_push(dso->meth_data, (char *)id); |
| 170 return(0); |
| 171 } |
| 172 return(1); |
| 173 } |
| 174 |
| 175 static void *beos_bind_var(DSO *dso, const char *symname) |
| 176 { |
| 177 image_id id; |
| 178 void *sym; |
| 179 |
| 180 if((dso == NULL) || (symname == NULL)) |
| 181 { |
| 182 DSOerr(DSO_F_BEOS_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER); |
| 183 return(NULL); |
| 184 } |
| 185 if(sk_num(dso->meth_data) < 1) |
| 186 { |
| 187 DSOerr(DSO_F_BEOS_BIND_VAR,DSO_R_STACK_ERROR); |
| 188 return(NULL); |
| 189 } |
| 190 id = (image_id)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1); |
| 191 if(id < 1) |
| 192 { |
| 193 DSOerr(DSO_F_BEOS_BIND_VAR,DSO_R_NULL_HANDLE); |
| 194 return(NULL); |
| 195 } |
| 196 if(get_image_symbol(id, symname, B_SYMBOL_TYPE_DATA, &sym) != B_OK) |
| 197 { |
| 198 DSOerr(DSO_F_BEOS_BIND_VAR,DSO_R_SYM_FAILURE); |
| 199 ERR_add_error_data(3, "symname(", symname, ")"); |
| 200 return(NULL); |
| 201 } |
| 202 return(sym); |
| 203 } |
| 204 |
| 205 static DSO_FUNC_TYPE beos_bind_func(DSO *dso, const char *symname) |
| 206 { |
| 207 image_id id; |
| 208 void *sym; |
| 209 |
| 210 if((dso == NULL) || (symname == NULL)) |
| 211 { |
| 212 DSOerr(DSO_F_BEOS_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER); |
| 213 return(NULL); |
| 214 } |
| 215 if(sk_num(dso->meth_data) < 1) |
| 216 { |
| 217 DSOerr(DSO_F_BEOS_BIND_FUNC,DSO_R_STACK_ERROR); |
| 218 return(NULL); |
| 219 } |
| 220 id = (image_id)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1); |
| 221 if(id < 1) |
| 222 { |
| 223 DSOerr(DSO_F_BEOS_BIND_FUNC,DSO_R_NULL_HANDLE); |
| 224 return(NULL); |
| 225 } |
| 226 if(get_image_symbol(id, symname, B_SYMBOL_TYPE_TEXT, &sym) != B_OK) |
| 227 { |
| 228 DSOerr(DSO_F_BEOS_BIND_FUNC,DSO_R_SYM_FAILURE); |
| 229 ERR_add_error_data(3, "symname(", symname, ")"); |
| 230 return(NULL); |
| 231 } |
| 232 return((DSO_FUNC_TYPE)sym); |
| 233 } |
| 234 |
| 235 /* This one is the same as the one in dlfcn */ |
| 236 static char *beos_name_converter(DSO *dso, const char *filename) |
| 237 { |
| 238 char *translated; |
| 239 int len, rsize, transform; |
| 240 |
| 241 len = strlen(filename); |
| 242 rsize = len + 1; |
| 243 transform = (strstr(filename, "/") == NULL); |
| 244 if(transform) |
| 245 { |
| 246 /* We will convert this to "%s.so" or "lib%s.so" */ |
| 247 rsize += 3; /* The length of ".so" */ |
| 248 if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0) |
| 249 rsize += 3; /* The length of "lib" */ |
| 250 } |
| 251 translated = OPENSSL_malloc(rsize); |
| 252 if(translated == NULL) |
| 253 { |
| 254 DSOerr(DSO_F_BEOS_NAME_CONVERTER, |
| 255 DSO_R_NAME_TRANSLATION_FAILED); |
| 256 return(NULL); |
| 257 } |
| 258 if(transform) |
| 259 { |
| 260 if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0) |
| 261 sprintf(translated, "lib%s.so", filename); |
| 262 else |
| 263 sprintf(translated, "%s.so", filename); |
| 264 } |
| 265 else |
| 266 sprintf(translated, "%s", filename); |
| 267 return(translated); |
| 268 } |
| 269 |
| 270 #endif |
OLD | NEW |