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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 |