algboss.c (da7f033ddc9fdebb3223b0bf88a2a2ab5b797608) algboss.c (73d3864a4823abda19ebc4387b6ddcbf416e3a77)
1/*
2 * Create default crypto algorithm instances.
3 *
4 * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 2 of the License, or (at your option)

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40 struct {
41 struct rtattr attr;
42 struct crypto_attr_u32 data;
43 } nu32;
44 } attrs[CRYPTO_MAX_ATTRS];
45
46 char larval[CRYPTO_MAX_ALG_NAME];
47 char template[CRYPTO_MAX_ALG_NAME];
1/*
2 * Create default crypto algorithm instances.
3 *
4 * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 2 of the License, or (at your option)

--- 31 unchanged lines hidden (view full) ---

40 struct {
41 struct rtattr attr;
42 struct crypto_attr_u32 data;
43 } nu32;
44 } attrs[CRYPTO_MAX_ATTRS];
45
46 char larval[CRYPTO_MAX_ALG_NAME];
47 char template[CRYPTO_MAX_ALG_NAME];
48
49 u32 otype;
50 u32 omask;
48};
49
51};
52
53struct crypto_test_param {
54 char driver[CRYPTO_MAX_ALG_NAME];
55 char alg[CRYPTO_MAX_ALG_NAME];
56 u32 type;
57};
58
50static int cryptomgr_probe(void *data)
51{
52 struct cryptomgr_param *param = data;
53 struct crypto_template *tmpl;
54 struct crypto_instance *inst;
55 int err;
56
57 tmpl = crypto_lookup_template(param->template);

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71 if (err)
72 goto err;
73
74out:
75 kfree(param);
76 module_put_and_exit(0);
77
78err:
59static int cryptomgr_probe(void *data)
60{
61 struct cryptomgr_param *param = data;
62 struct crypto_template *tmpl;
63 struct crypto_instance *inst;
64 int err;
65
66 tmpl = crypto_lookup_template(param->template);

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80 if (err)
81 goto err;
82
83out:
84 kfree(param);
85 module_put_and_exit(0);
86
87err:
79 crypto_larval_error(param->larval, param->type.data.type,
80 param->type.data.mask);
88 crypto_larval_error(param->larval, param->otype, param->omask);
81 goto out;
82}
83
84static int cryptomgr_schedule_probe(struct crypto_larval *larval)
85{
86 struct task_struct *thread;
87 struct cryptomgr_param *param;
88 const char *name = larval->alg.cra_name;

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164
165 if (!i)
166 goto err_free_param;
167
168 param->tb[i + 1] = NULL;
169
170 param->type.attr.rta_len = sizeof(param->type);
171 param->type.attr.rta_type = CRYPTOA_TYPE;
89 goto out;
90}
91
92static int cryptomgr_schedule_probe(struct crypto_larval *larval)
93{
94 struct task_struct *thread;
95 struct cryptomgr_param *param;
96 const char *name = larval->alg.cra_name;

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172
173 if (!i)
174 goto err_free_param;
175
176 param->tb[i + 1] = NULL;
177
178 param->type.attr.rta_len = sizeof(param->type);
179 param->type.attr.rta_type = CRYPTOA_TYPE;
172 param->type.data.type = larval->alg.cra_flags;
173 param->type.data.mask = larval->mask;
180 param->type.data.type = larval->alg.cra_flags & ~CRYPTO_ALG_TESTED;
181 param->type.data.mask = larval->mask & ~CRYPTO_ALG_TESTED;
174 param->tb[0] = &param->type.attr;
175
182 param->tb[0] = &param->type.attr;
183
184 param->otype = larval->alg.cra_flags;
185 param->omask = larval->mask;
186
176 memcpy(param->larval, larval->alg.cra_name, CRYPTO_MAX_ALG_NAME);
177
187 memcpy(param->larval, larval->alg.cra_name, CRYPTO_MAX_ALG_NAME);
188
178 thread = kthread_run(cryptomgr_probe, param, "cryptomgr");
189 thread = kthread_run(cryptomgr_probe, param, "cryptomgr_probe");
179 if (IS_ERR(thread))
180 goto err_free_param;
181
182 return NOTIFY_STOP;
183
184err_free_param:
185 kfree(param);
186err_put_module:
187 module_put(THIS_MODULE);
188err:
189 return NOTIFY_OK;
190}
191
190 if (IS_ERR(thread))
191 goto err_free_param;
192
193 return NOTIFY_STOP;
194
195err_free_param:
196 kfree(param);
197err_put_module:
198 module_put(THIS_MODULE);
199err:
200 return NOTIFY_OK;
201}
202
203static int cryptomgr_test(void *data)
204{
205 struct crypto_test_param *param = data;
206 u32 type = param->type;
207 int err = 0;
208
209 if (!((type ^ CRYPTO_ALG_TYPE_BLKCIPHER) &
210 CRYPTO_ALG_TYPE_BLKCIPHER_MASK) && !(type & CRYPTO_ALG_GENIV))
211 goto skiptest;
212
213 if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER)
214 goto skiptest;
215
216 err = alg_test(param->driver, param->alg, 0, CRYPTO_ALG_TESTED);
217
218skiptest:
219 crypto_alg_tested(param->driver, err);
220
221 kfree(param);
222 module_put_and_exit(0);
223}
224
225static int cryptomgr_schedule_test(struct crypto_alg *alg)
226{
227 struct task_struct *thread;
228 struct crypto_test_param *param;
229
230 if (!try_module_get(THIS_MODULE))
231 goto err;
232
233 param = kzalloc(sizeof(*param), GFP_KERNEL);
234 if (!param)
235 goto err_put_module;
236
237 memcpy(param->driver, alg->cra_driver_name, sizeof(param->driver));
238 memcpy(param->alg, alg->cra_name, sizeof(param->alg));
239 param->type = alg->cra_flags;
240
241 thread = kthread_run(cryptomgr_test, param, "cryptomgr_test");
242 if (IS_ERR(thread))
243 goto err_free_param;
244
245 return NOTIFY_STOP;
246
247err_free_param:
248 kfree(param);
249err_put_module:
250 module_put(THIS_MODULE);
251err:
252 return NOTIFY_OK;
253}
254
192static int cryptomgr_notify(struct notifier_block *this, unsigned long msg,
193 void *data)
194{
195 switch (msg) {
196 case CRYPTO_MSG_ALG_REQUEST:
197 return cryptomgr_schedule_probe(data);
255static int cryptomgr_notify(struct notifier_block *this, unsigned long msg,
256 void *data)
257{
258 switch (msg) {
259 case CRYPTO_MSG_ALG_REQUEST:
260 return cryptomgr_schedule_probe(data);
261 case CRYPTO_MSG_ALG_REGISTER:
262 return cryptomgr_schedule_test(data);
198 }
199
200 return NOTIFY_DONE;
201}
202
203static struct notifier_block cryptomgr_notifier = {
204 .notifier_call = cryptomgr_notify,
205};

--- 33 unchanged lines hidden --- 		263 }
264
265 return NOTIFY_DONE;
266}
267
268static struct notifier_block cryptomgr_notifier = {
269 .notifier_call = cryptomgr_notify,
270};

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