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handshake: Add cleanup function for handshake_state

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To allow _auto_(handshake_state_free) variables to be used.
This commit is contained in:
Denis Kenzior 2023-11-29 21:29:38 -06:00
parent 52e6a7c2ee
commit 78a39e926f
2 changed files with 9 additions and 1 deletions
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7
src/handshake.c
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@ -105,7 +105,12 @@ void __handshake_set_install_ext_tk_func(handshake_install_ext_tk_func_t func)
void handshake_state_free(struct handshake_state *s) void handshake_state_free(struct handshake_state *s)
{ {
__typeof__(s->free) destroy = s->free; __typeof__(s->free) destroy;
if (!s)
return;
destroy = s->free;
if (s->in_event) { if (s->in_event) {
s->in_event = false; s->in_event = false;

3
src/handshake.h
View File

@ -24,6 +24,7 @@
#include <stdbool.h> #include <stdbool.h>
#include <asm/byteorder.h> #include <asm/byteorder.h>
#include <linux/types.h> #include <linux/types.h>
#include <ell/cleanup.h>
struct handshake_state; struct handshake_state;
enum crypto_cipher; enum crypto_cipher;
@ -298,3 +299,5 @@ const uint8_t *handshake_util_find_pmkid_kde(const uint8_t *data,
size_t data_len); size_t data_len);
void handshake_util_build_gtk_kde(enum crypto_cipher cipher, const uint8_t *key, void handshake_util_build_gtk_kde(enum crypto_cipher cipher, const uint8_t *key,
unsigned int key_index, uint8_t *to); unsigned int key_index, uint8_t *to);
DEFINE_CLEANUP_FUNC(handshake_state_free);