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[IPSEC]: Add compatibility algorithm name support

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This patch adds a compatibility name field for each IPsec algorithm.  This
is needed when parameterised algorithms are used.  For example, "md5" will
become "hmac(md5)", and "aes" will become "cbc(aes)".

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2006-08-13 08:50:00 +10:00
parent d1806f6a97
commit 04ff126094
3 changed files with 4 additions and 1 deletions
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1
include/net/xfrm.h
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@ -854,6 +854,7 @@ struct xfrm_algo_comp_info {
struct xfrm_algo_desc { struct xfrm_algo_desc {
char *name; char *name;
char *compat;
u8 available:1; u8 available:1;
union { union {
struct xfrm_algo_auth_info auth; struct xfrm_algo_auth_info auth;

3
net/xfrm/xfrm_algo.c
View file

@ -359,7 +359,8 @@ static struct xfrm_algo_desc *xfrm_get_byname(struct xfrm_algo_desc *list,
return NULL; return NULL;
for (i = 0; i < entries; i++) { for (i = 0; i < entries; i++) {
if (strcmp(name, list[i].name)) if (strcmp(name, list[i].name) &&
(!list[i].compat || strcmp(name, list[i].compat)))
continue; continue;
if (list[i].available) if (list[i].available)

1
net/xfrm/xfrm_user.c
View file

@ -213,6 +213,7 @@ static int attach_one_algo(struct xfrm_algo **algpp, u8 *props,
return -ENOMEM; return -ENOMEM;
memcpy(p, ualg, len); memcpy(p, ualg, len);
strcpy(p->alg_name, algo->name);
*algpp = p; *algpp = p;
return 0; return 0;
} }