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 <openssl/local/cryptlib.h> 62#include <openssl/dso.h> 63 64#if !defined(OPENSSL_SYS_BEOS) 65DSO_METHOD *DSO_METHOD_beos(void) 66 { 67 return NULL; 68 } 69#else 70 71#include <kernel/image.h> 72 73static int beos_load(DSO *dso); 74static int beos_unload(DSO *dso); 75static void *beos_bind_var(DSO *dso, const char *symname); 76static DSO_FUNC_TYPE beos_bind_func(DSO *dso, const char *symname); 77#if 0 78static int beos_unbind_var(DSO *dso, char *symname, void *symptr); 79static int beos_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr); 80static int beos_init(DSO *dso); 81static int beos_finish(DSO *dso); 82static long beos_ctrl(DSO *dso, int cmd, long larg, void *parg); 83#endif 84static char *beos_name_converter(DSO *dso, const char *filename); 85 86static 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 103DSO_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 113static 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); 139err: 140 /* Cleanup !*/ 141 if(filename != NULL) 142 OPENSSL_free(filename); 143 if(id > 0) 144 unload_add_on(id); 145 return(0); 146 } 147 148static 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 175static 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 205static 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 */ 236static 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 271