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Diffstat (limited to 'src/lib/libcrypto/objects/o_names.c')
-rw-r--r--src/lib/libcrypto/objects/o_names.c266
1 files changed, 0 insertions, 266 deletions
diff --git a/src/lib/libcrypto/objects/o_names.c b/src/lib/libcrypto/objects/o_names.c
deleted file mode 100644
index dca988230e..0000000000
--- a/src/lib/libcrypto/objects/o_names.c
+++ /dev/null
@@ -1,266 +0,0 @@
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4
5#include <openssl/lhash.h>
6#include <openssl/objects.h>
7#include <openssl/safestack.h>
8
9/* I use the ex_data stuff to manage the identifiers for the obj_name_types
10 * that applications may define. I only really use the free function field.
11 */
12static LHASH *names_lh=NULL;
13static int names_type_num=OBJ_NAME_TYPE_NUM;
14
15typedef struct name_funcs_st
16 {
17 unsigned long (*hash_func)();
18 int (*cmp_func)();
19 void (*free_func)();
20 } NAME_FUNCS;
21
22DECLARE_STACK_OF(NAME_FUNCS)
23IMPLEMENT_STACK_OF(NAME_FUNCS)
24
25static STACK_OF(NAME_FUNCS) *name_funcs_stack;
26
27static unsigned long obj_name_hash(OBJ_NAME *a);
28static int obj_name_cmp(OBJ_NAME *a,OBJ_NAME *b);
29
30int OBJ_NAME_init(void)
31 {
32 if (names_lh != NULL) return(1);
33 MemCheck_off();
34 names_lh=lh_new(obj_name_hash,obj_name_cmp);
35 MemCheck_on();
36 return(names_lh != NULL);
37 }
38
39int OBJ_NAME_new_index(unsigned long (*hash_func)(const char *),
40 int (*cmp_func)(const void *, const void *),
41 void (*free_func)(const char *, int, const char *))
42 {
43 int ret;
44 int i;
45 NAME_FUNCS *name_funcs;
46
47 if (name_funcs_stack == NULL)
48 {
49 MemCheck_off();
50 name_funcs_stack=sk_NAME_FUNCS_new_null();
51 MemCheck_on();
52 }
53 if ((name_funcs_stack == NULL))
54 {
55 /* ERROR */
56 return(0);
57 }
58 ret=names_type_num;
59 names_type_num++;
60 for (i=sk_NAME_FUNCS_num(name_funcs_stack); i<names_type_num; i++)
61 {
62 MemCheck_off();
63 name_funcs = OPENSSL_malloc(sizeof(NAME_FUNCS));
64 name_funcs->hash_func = lh_strhash;
65 name_funcs->cmp_func = (int (*)())strcmp;
66 name_funcs->free_func = 0; /* NULL is often declared to
67 * ((void *)0), which according
68 * to Compaq C is not really
69 * compatible with a function
70 * pointer. -- Richard Levitte*/
71 sk_NAME_FUNCS_push(name_funcs_stack,name_funcs);
72 MemCheck_on();
73 }
74 name_funcs = sk_NAME_FUNCS_value(name_funcs_stack, ret);
75 if (hash_func != NULL)
76 name_funcs->hash_func = hash_func;
77 if (cmp_func != NULL)
78 name_funcs->cmp_func = cmp_func;
79 if (free_func != NULL)
80 name_funcs->free_func = free_func;
81 return(ret);
82 }
83
84static int obj_name_cmp(OBJ_NAME *a, OBJ_NAME *b)
85 {
86 int ret;
87
88 ret=a->type-b->type;
89 if (ret == 0)
90 {
91 if ((name_funcs_stack != NULL)
92 && (sk_NAME_FUNCS_num(name_funcs_stack) > a->type))
93 {
94 ret=sk_NAME_FUNCS_value(name_funcs_stack,a->type)
95 ->cmp_func(a->name,b->name);
96 }
97 else
98 ret=strcmp(a->name,b->name);
99 }
100 return(ret);
101 }
102
103static unsigned long obj_name_hash(OBJ_NAME *a)
104 {
105 unsigned long ret;
106
107 if ((name_funcs_stack != NULL) && (sk_NAME_FUNCS_num(name_funcs_stack) > a->type))
108 {
109 ret=sk_NAME_FUNCS_value(name_funcs_stack,a->type)
110 ->hash_func(a->name);
111 }
112 else
113 {
114 ret=lh_strhash(a->name);
115 }
116 ret^=a->type;
117 return(ret);
118 }
119
120const char *OBJ_NAME_get(const char *name, int type)
121 {
122 OBJ_NAME on,*ret;
123 int num=0,alias;
124
125 if (name == NULL) return(NULL);
126 if ((names_lh == NULL) && !OBJ_NAME_init()) return(NULL);
127
128 alias=type&OBJ_NAME_ALIAS;
129 type&= ~OBJ_NAME_ALIAS;
130
131 on.name=name;
132 on.type=type;
133
134 for (;;)
135 {
136 ret=(OBJ_NAME *)lh_retrieve(names_lh,&on);
137 if (ret == NULL) return(NULL);
138 if ((ret->alias) && !alias)
139 {
140 if (++num > 10) return(NULL);
141 on.name=ret->data;
142 }
143 else
144 {
145 return(ret->data);
146 }
147 }
148 }
149
150int OBJ_NAME_add(const char *name, int type, const char *data)
151 {
152 OBJ_NAME *onp,*ret;
153 int alias;
154
155 if ((names_lh == NULL) && !OBJ_NAME_init()) return(0);
156
157 alias=type&OBJ_NAME_ALIAS;
158 type&= ~OBJ_NAME_ALIAS;
159
160 onp=(OBJ_NAME *)OPENSSL_malloc(sizeof(OBJ_NAME));
161 if (onp == NULL)
162 {
163 /* ERROR */
164 return(0);
165 }
166
167 onp->name=name;
168 onp->alias=alias;
169 onp->type=type;
170 onp->data=data;
171
172 ret=(OBJ_NAME *)lh_insert(names_lh,onp);
173 if (ret != NULL)
174 {
175 /* free things */
176 if ((name_funcs_stack != NULL) && (sk_NAME_FUNCS_num(name_funcs_stack) > ret->type))
177 {
178 /* XXX: I'm not sure I understand why the free
179 * function should get three arguments...
180 * -- Richard Levitte
181 */
182 sk_NAME_FUNCS_value(name_funcs_stack,ret->type)
183 ->free_func(ret->name,ret->type,ret->data);
184 }
185 OPENSSL_free(ret);
186 }
187 else
188 {
189 if (lh_error(names_lh))
190 {
191 /* ERROR */
192 return(0);
193 }
194 }
195 return(1);
196 }
197
198int OBJ_NAME_remove(const char *name, int type)
199 {
200 OBJ_NAME on,*ret;
201
202 if (names_lh == NULL) return(0);
203
204 type&= ~OBJ_NAME_ALIAS;
205 on.name=name;
206 on.type=type;
207 ret=(OBJ_NAME *)lh_delete(names_lh,&on);
208 if (ret != NULL)
209 {
210 /* free things */
211 if ((name_funcs_stack != NULL) && (sk_NAME_FUNCS_num(name_funcs_stack) > ret->type))
212 {
213 /* XXX: I'm not sure I understand why the free
214 * function should get three arguments...
215 * -- Richard Levitte
216 */
217 sk_NAME_FUNCS_value(name_funcs_stack,ret->type)
218 ->free_func(ret->name,ret->type,ret->data);
219 }
220 OPENSSL_free(ret);
221 return(1);
222 }
223 else
224 return(0);
225 }
226
227static int free_type;
228
229static void names_lh_free(OBJ_NAME *onp, int type)
230{
231 if(onp == NULL)
232 return;
233
234 if ((free_type < 0) || (free_type == onp->type))
235 {
236 OBJ_NAME_remove(onp->name,onp->type);
237 }
238 }
239
240static void name_funcs_free(NAME_FUNCS *ptr)
241 {
242 OPENSSL_free(ptr);
243 }
244
245void OBJ_NAME_cleanup(int type)
246 {
247 unsigned long down_load;
248
249 if (names_lh == NULL) return;
250
251 free_type=type;
252 down_load=names_lh->down_load;
253 names_lh->down_load=0;
254
255 lh_doall(names_lh,names_lh_free);
256 if (type < 0)
257 {
258 lh_free(names_lh);
259 sk_NAME_FUNCS_pop_free(name_funcs_stack,name_funcs_free);
260 names_lh=NULL;
261 name_funcs_stack = NULL;
262 }
263 else
264 names_lh->down_load=down_load;
265 }
266
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