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-rw-r--r--security/keys/request_key.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index 381411941cc1..408523e5e2e2 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -531,9 +531,9 @@ struct key *request_key_and_link(struct key_type *type,
.index_key.type = type,
.index_key.description = description,
.cred = current_cred(),
- .match = type->match,
- .match_data = description,
- .flags = KEYRING_SEARCH_LOOKUP_DIRECT,
+ .match_data.cmp = type->match,
+ .match_data.raw_data = description,
+ .match_data.lookup_type = KEYRING_SEARCH_LOOKUP_DIRECT,
};
struct key *key;
key_ref_t key_ref;
@@ -543,6 +543,14 @@ struct key *request_key_and_link(struct key_type *type,
ctx.index_key.type->name, ctx.index_key.description,
callout_info, callout_len, aux, dest_keyring, flags);
+ if (type->match_preparse) {
+ ret = type->match_preparse(&ctx.match_data);
+ if (ret < 0) {
+ key = ERR_PTR(ret);
+ goto error;
+ }
+ }
+
/* search all the process keyrings for a key */
key_ref = search_process_keyrings(&ctx);
@@ -555,7 +563,7 @@ struct key *request_key_and_link(struct key_type *type,
if (ret < 0) {
key_put(key);
key = ERR_PTR(ret);
- goto error;
+ goto error_free;
}
}
} else if (PTR_ERR(key_ref) != -EAGAIN) {
@@ -565,12 +573,15 @@ struct key *request_key_and_link(struct key_type *type,
* should consult userspace if we can */
key = ERR_PTR(-ENOKEY);
if (!callout_info)
- goto error;
+ goto error_free;
key = construct_key_and_link(&ctx, callout_info, callout_len,
aux, dest_keyring, flags);
}
+error_free:
+ if (type->match_free)
+ type->match_free(&ctx.match_data);
error:
kleave(" = %p", key);
return key;

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