Lines Matching +full:exact +full:- +full:len
1 // SPDX-License-Identifier: GPL-2.0-only
35 static struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact) in crypto_alg_match() argument
47 if ((q->cra_flags ^ p->cru_type) & p->cru_mask) in crypto_alg_match()
50 if (strlen(p->cru_driver_name)) in crypto_alg_match()
51 match = !strcmp(q->cra_driver_name, in crypto_alg_match()
52 p->cru_driver_name); in crypto_alg_match()
53 else if (!exact) in crypto_alg_match()
54 match = !strcmp(q->cra_name, p->cru_name); in crypto_alg_match()
79 rcipher.blocksize = alg->cra_blocksize; in crypto_report_cipher()
80 rcipher.min_keysize = alg->cra_cipher.cia_min_keysize; in crypto_report_cipher()
81 rcipher.max_keysize = alg->cra_cipher.cia_max_keysize; in crypto_report_cipher()
92 strscpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name)); in crypto_report_one()
93 strscpy(ualg->cru_driver_name, alg->cra_driver_name, in crypto_report_one()
94 sizeof(ualg->cru_driver_name)); in crypto_report_one()
95 strscpy(ualg->cru_module_name, module_name(alg->cra_module), in crypto_report_one()
96 sizeof(ualg->cru_module_name)); in crypto_report_one()
98 ualg->cru_type = 0; in crypto_report_one()
99 ualg->cru_mask = 0; in crypto_report_one()
100 ualg->cru_flags = alg->cra_flags; in crypto_report_one()
101 ualg->cru_refcnt = refcount_read(&alg->cra_refcnt); in crypto_report_one()
103 if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority)) in crypto_report_one()
105 if (alg->cra_flags & CRYPTO_ALG_LARVAL) { in crypto_report_one()
115 if (alg->cra_type && alg->cra_type->report) { in crypto_report_one()
116 if (alg->cra_type->report(skb, alg)) in crypto_report_one()
122 switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) { in crypto_report_one()
134 return -EMSGSIZE; in crypto_report_one()
140 struct sk_buff *in_skb = info->in_skb; in crypto_report_alg()
141 struct sk_buff *skb = info->out_skb; in crypto_report_alg()
146 nlh = nlmsg_put(skb, NETLINK_CB(in_skb).portid, info->nlmsg_seq, in crypto_report_alg()
147 CRYPTO_MSG_GETALG, sizeof(*ualg), info->nlmsg_flags); in crypto_report_alg()
149 err = -EMSGSIZE; in crypto_report_alg()
170 struct net *net = sock_net(in_skb->sk); in crypto_report()
177 if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) in crypto_report()
178 return -EINVAL; in crypto_report()
182 return -ENOENT; in crypto_report()
184 err = -ENOMEM; in crypto_report()
191 info.nlmsg_seq = in_nlh->nlmsg_seq; in crypto_report()
204 return nlmsg_unicast(net->crypto_nlsk, skb, NETLINK_CB(in_skb).portid); in crypto_report()
209 const size_t start_pos = cb->args[0]; in crypto_dump_report()
215 info.in_skb = cb->skb; in crypto_dump_report()
217 info.nlmsg_seq = cb->nlh->nlmsg_seq; in crypto_dump_report()
224 if (res == -EMSGSIZE) in crypto_dump_report()
231 cb->args[0] = pos; in crypto_dump_report()
232 res = skb->len; in crypto_dump_report()
252 return -EPERM; in crypto_update_alg()
254 if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) in crypto_update_alg()
255 return -EINVAL; in crypto_update_alg()
257 if (priority && !strlen(p->cru_driver_name)) in crypto_update_alg()
258 return -EINVAL; in crypto_update_alg()
262 return -ENOENT; in crypto_update_alg()
269 alg->cra_priority = nla_get_u32(priority); in crypto_update_alg()
287 return -EPERM; in crypto_del_alg()
289 if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) in crypto_del_alg()
290 return -EINVAL; in crypto_del_alg()
294 return -ENOENT; in crypto_del_alg()
296 /* We can not unregister core algorithms such as aes-generic. in crypto_del_alg()
301 err = -EINVAL; in crypto_del_alg()
302 if (!(alg->cra_flags & CRYPTO_ALG_INSTANCE)) in crypto_del_alg()
305 err = -EBUSY; in crypto_del_alg()
306 if (refcount_read(&alg->cra_refcnt) > 2) in crypto_del_alg()
320 int exact = 0; in crypto_add_alg() local
327 return -EPERM; in crypto_add_alg()
329 if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) in crypto_add_alg()
330 return -EINVAL; in crypto_add_alg()
332 if (strlen(p->cru_driver_name)) in crypto_add_alg()
333 exact = 1; in crypto_add_alg()
335 if (priority && !exact) in crypto_add_alg()
336 return -EINVAL; in crypto_add_alg()
338 alg = crypto_alg_match(p, exact); in crypto_add_alg()
341 return -EEXIST; in crypto_add_alg()
344 if (strlen(p->cru_driver_name)) in crypto_add_alg()
345 name = p->cru_driver_name; in crypto_add_alg()
347 name = p->cru_name; in crypto_add_alg()
349 alg = crypto_alg_mod_lookup(name, p->cru_type, p->cru_mask); in crypto_add_alg()
356 alg->cra_priority = nla_get_u32(priority); in crypto_add_alg()
369 return -EPERM; in crypto_del_rng()
377 return -ENOTSUPP; in crypto_reportstat()
383 [CRYPTO_MSG_NEWALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
384 [CRYPTO_MSG_DELALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
385 [CRYPTO_MSG_UPDATEALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
386 [CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
387 [CRYPTO_MSG_DELRNG - CRYPTO_MSG_BASE] = 0,
388 [CRYPTO_MSG_GETSTAT - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
402 [CRYPTO_MSG_NEWALG - CRYPTO_MSG_BASE] = { .doit = crypto_add_alg},
403 [CRYPTO_MSG_DELALG - CRYPTO_MSG_BASE] = { .doit = crypto_del_alg},
404 [CRYPTO_MSG_UPDATEALG - CRYPTO_MSG_BASE] = { .doit = crypto_update_alg},
405 [CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE] = { .doit = crypto_report,
408 [CRYPTO_MSG_DELRNG - CRYPTO_MSG_BASE] = { .doit = crypto_del_rng },
409 [CRYPTO_MSG_GETSTAT - CRYPTO_MSG_BASE] = { .doit = crypto_reportstat},
415 struct net *net = sock_net(skb->sk); in crypto_user_rcv_msg()
420 type = nlh->nlmsg_type; in crypto_user_rcv_msg()
422 return -EINVAL; in crypto_user_rcv_msg()
424 type -= CRYPTO_MSG_BASE; in crypto_user_rcv_msg()
427 if ((type == (CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE) && in crypto_user_rcv_msg()
428 (nlh->nlmsg_flags & NLM_F_DUMP))) { in crypto_user_rcv_msg()
432 if (link->dump == NULL) in crypto_user_rcv_msg()
433 return -EINVAL; in crypto_user_rcv_msg()
442 .dump = link->dump, in crypto_user_rcv_msg()
443 .done = link->done, in crypto_user_rcv_msg()
446 err = netlink_dump_start(net->crypto_nlsk, skb, nlh, &c); in crypto_user_rcv_msg()
457 if (link->doit == NULL) in crypto_user_rcv_msg()
458 return -EINVAL; in crypto_user_rcv_msg()
460 return link->doit(skb, nlh, attrs); in crypto_user_rcv_msg()
476 net->crypto_nlsk = netlink_kernel_create(net, NETLINK_CRYPTO, &cfg); in crypto_netlink_init()
477 return net->crypto_nlsk == NULL ? -ENOMEM : 0; in crypto_netlink_init()
482 netlink_kernel_release(net->crypto_nlsk); in crypto_netlink_exit()
483 net->crypto_nlsk = NULL; in crypto_netlink_exit()
506 MODULE_ALIAS("net-pf-16-proto-21");