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Try to compute the size of ctrl

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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
This commit is contained in:
Adrien Gallouët
2018-03-16 20:05:05 +00:00
parent 40be483e2b
commit a505e22844
1 changed files with 6 additions and 2 deletions
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8
mud.c
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@@ -80,6 +80,10 @@
#define MUD_SEND_TIMEOUT (MUD_ONE_SEC) #define MUD_SEND_TIMEOUT (MUD_ONE_SEC)
#define MUD_TIME_TOLERANCE (10 * MUD_ONE_MIN) #define MUD_TIME_TOLERANCE (10 * MUD_ONE_MIN)
#define MUD_CTRL_SIZE (CMSG_SPACE(MUD_PKTINFO_SIZE) + \
CMSG_SPACE(sizeof(struct in6_pktinfo)) + \
CMSG_SPACE(sizeof(int)))
struct mud_crypto_opt { struct mud_crypto_opt {
unsigned char *dst; unsigned char *dst;
struct { struct {
@@ -286,7 +290,7 @@ mud_send_path(struct mud *mud, struct mud_path *path, uint64_t now,
if (!size) if (!size)
return 0; return 0;
unsigned char ctrl[64] = {0}; unsigned char ctrl[MUD_CTRL_SIZE] = {0};
struct iovec iov = { struct iovec iov = {
.iov_base = data, .iov_base = data,
@@ -1189,7 +1193,7 @@ mud_recv(struct mud *mud, void *data, size_t size)
}; };
struct sockaddr_storage addr; struct sockaddr_storage addr;
unsigned char ctrl[64]; unsigned char ctrl[MUD_CTRL_SIZE];
struct msghdr msg = { struct msghdr msg = {
.msg_name = &addr, .msg_name = &addr,