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Diffstat (limited to 'src/lib/libcrypto/evp/names.c')
-rw-r--r--src/lib/libcrypto/evp/names.c239
1 files changed, 36 insertions, 203 deletions
diff --git a/src/lib/libcrypto/evp/names.c b/src/lib/libcrypto/evp/names.c
index e0774da20d..3e8f460328 100644
--- a/src/lib/libcrypto/evp/names.c
+++ b/src/lib/libcrypto/evp/names.c
@@ -58,228 +58,61 @@
58 58
59#include <stdio.h> 59#include <stdio.h>
60#include "cryptlib.h" 60#include "cryptlib.h"
61#include "evp.h" 61#include <openssl/evp.h>
62#include "objects.h" 62#include <openssl/objects.h>
63#include <openssl/x509.h>
63 64
64typedef struct aliases_st { 65int EVP_add_cipher(EVP_CIPHER *c)
65 char *alias;
66 /* This must be the last field becaue I will allocate things
67 * so they go off the end of it */
68 char name[4];
69 } ALIASES;
70
71static STACK /* ALIASES */ *aliases=NULL;
72static STACK /* EVP_CIPHERS */ *ciphers=NULL;
73static STACK /* EVP_MD */ *digests=NULL;
74
75static int cipher_nid_cmp(a,b)
76EVP_CIPHER **a,**b;
77 { return((*a)->nid - (*b)->nid); }
78
79static int digest_type_cmp(a,b)
80EVP_MD **a,**b;
81 { return((*a)->pkey_type - (*b)->pkey_type); }
82
83int EVP_add_cipher(c)
84EVP_CIPHER *c;
85 {
86 int i;
87
88 if (ciphers == NULL)
89 {
90 ciphers=sk_new(cipher_nid_cmp);
91 if (ciphers == NULL) return(0);
92 }
93 if ((i=sk_find(ciphers,(char *)c)) >= 0)
94 {
95 if (sk_value(ciphers,i) == (char *)c)
96 return(1);
97 sk_delete(ciphers,i);
98 }
99 return(sk_push(ciphers,(char *)c));
100 }
101
102int EVP_add_digest(md)
103EVP_MD *md;
104 { 66 {
105 int i; 67 int r;
106 char *n;
107 68
108 if (digests == NULL) 69 r=OBJ_NAME_add(OBJ_nid2sn(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(char *)c);
109 { 70 if (r == 0) return(0);
110 digests=sk_new(digest_type_cmp); 71 r=OBJ_NAME_add(OBJ_nid2ln(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(char *)c);
111 if (digests == NULL) return(0); 72 return(r);
112 }
113 if ((i=sk_find(digests,(char *)md)) >= 0)
114 {
115 if (sk_value(digests,i) == (char *)md)
116 return(1);
117 sk_delete(digests,i);
118 }
119 if (md->type != md->pkey_type)
120 {
121 n=OBJ_nid2sn(md->pkey_type);
122 EVP_add_alias(n,OBJ_nid2sn(md->type));
123 EVP_add_alias(n,OBJ_nid2ln(md->type));
124 }
125 sk_push(digests,(char *)md);
126 return(1);
127 }
128
129static int alias_cmp(a,b)
130ALIASES **a,**b;
131 {
132 return(strcmp((*a)->alias,(*b)->alias));
133 } 73 }
134 74
135int EVP_add_alias(name,aname) 75int EVP_add_digest(EVP_MD *md)
136char *name;
137char *aname;
138 { 76 {
139 int l1,l2,i; 77 int r;
140 ALIASES *a; 78 const char *name;
141 char *p;
142 79
143 if ((name == NULL) || (aname == NULL)) return(0); 80 name=OBJ_nid2sn(md->type);
144 l1=strlen(name)+1; 81 r=OBJ_NAME_add(name,OBJ_NAME_TYPE_MD_METH,(char *)md);
145 l2=strlen(aname)+1; 82 if (r == 0) return(0);
146 i=sizeof(ALIASES)+l1+l2; 83 r=OBJ_NAME_add(OBJ_nid2ln(md->type),OBJ_NAME_TYPE_MD_METH,(char *)md);
147 if ((a=(ALIASES *)Malloc(i)) == NULL) 84 if (r == 0) return(0);
148 return(0);
149 strcpy(a->name,name);
150 p= &(a->name[l1]);
151 strcpy(p,aname);
152 a->alias=p;
153 85
154 if (aliases == NULL) 86 if (md->type != md->pkey_type)
155 {
156 aliases=sk_new(alias_cmp);
157 if (aliases == NULL) goto err;
158 }
159
160 if ((i=sk_find(aliases,(char *)a)) >= 0)
161 { 87 {
162 Free(sk_delete(aliases,i)); 88 r=OBJ_NAME_add(OBJ_nid2sn(md->pkey_type),
89 OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name);
90 if (r == 0) return(0);
91 r=OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
92 OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name);
163 } 93 }
164 if (!sk_push(aliases,(char *)a)) goto err; 94 return(r);
165 return(1);
166err:
167 return(0);
168 } 95 }
169 96
170int EVP_delete_alias(name) 97const EVP_CIPHER *EVP_get_cipherbyname(const char *name)
171char *name;
172 { 98 {
173 ALIASES a; 99 const EVP_CIPHER *cp;
174 int i;
175 100
176 if (aliases != NULL) 101 cp=(const EVP_CIPHER *)OBJ_NAME_get(name,OBJ_NAME_TYPE_CIPHER_METH);
177 { 102 return(cp);
178 a.alias=name;
179 if ((i=sk_find(aliases,(char *)&a)) >= 0)
180 {
181 Free(sk_delete(aliases,i));
182 return(1);
183 }
184 }
185 return(0);
186 } 103 }
187 104
188EVP_CIPHER *EVP_get_cipherbyname(name) 105const EVP_MD *EVP_get_digestbyname(const char *name)
189char *name;
190 { 106 {
191 int nid,num=6,i; 107 const EVP_MD *cp;
192 EVP_CIPHER c,*cp;
193 ALIASES a,*ap;
194
195 if (ciphers == NULL) return(NULL);
196 for (;;)
197 {
198 if (num-- <= 0) return(NULL);
199 if (aliases != NULL)
200 {
201 a.alias=name;
202 i=sk_find(aliases,(char *)&a);
203 if (i >= 0)
204 {
205 ap=(ALIASES *)sk_value(aliases,i);
206 name=ap->name;
207 continue;
208 }
209 }
210 108
211 nid=OBJ_txt2nid(name); 109 cp=(const EVP_MD *)OBJ_NAME_get(name,OBJ_NAME_TYPE_MD_METH);
212 if (nid == NID_undef) return(NULL); 110 return(cp);
213 c.nid=nid;
214 i=sk_find(ciphers,(char *)&c);
215 if (i >= 0)
216 {
217 cp=(EVP_CIPHER *)sk_value(ciphers,i);
218 return(cp);
219 }
220 else
221 return(NULL);
222 }
223 } 111 }
224 112
225EVP_MD *EVP_get_digestbyname(name) 113void EVP_cleanup(void)
226char *name;
227 { 114 {
228 int nid,num=6,i; 115 OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
229 EVP_MD c,*cp; 116 OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
230 ALIASES a,*ap; 117 EVP_PBE_cleanup();
231
232 if (digests == NULL) return(NULL);
233
234 for (;;)
235 {
236 if (num-- <= 0) return(NULL);
237
238 if (aliases != NULL)
239 {
240 a.alias=name;
241 i=sk_find(aliases,(char *)&a);
242 if (i >= 0)
243 {
244 ap=(ALIASES *)sk_value(aliases,i);
245 name=ap->name;
246 continue;
247 }
248 }
249
250 nid=OBJ_txt2nid(name);
251 if (nid == NID_undef) return(NULL);
252 c.pkey_type=nid;
253 i=sk_find(digests,(char *)&c);
254 if (i >= 0)
255 {
256 cp=(EVP_MD *)sk_value(digests,i);
257 return(cp);
258 }
259 else
260 return(NULL);
261 }
262 }
263
264void EVP_cleanup()
265 {
266 int i;
267
268 if (aliases != NULL)
269 {
270 for (i=0; i<sk_num(aliases); i++)
271 Free(sk_value(aliases,i));
272 sk_free(aliases);
273 aliases=NULL;
274 }
275 if (ciphers != NULL)
276 {
277 sk_free(ciphers);
278 ciphers=NULL;
279 }
280 if (digests != NULL)
281 {
282 sk_free(digests);
283 digests=NULL;
284 }
285 } 118 }
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