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Limit number of paths

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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
This commit is contained in:
Adrien Gallouët
2018-04-02 08:44:59 +00:00
parent c63c94d7c8
commit dcfaca04a5
1 changed files with 7 additions and 0 deletions
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7
mud.c
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@@ -86,6 +86,8 @@
CMSG_SPACE(sizeof(struct in6_pktinfo)) + \ CMSG_SPACE(sizeof(struct in6_pktinfo)) + \
CMSG_SPACE(sizeof(int))) CMSG_SPACE(sizeof(int)))
#define MUD_PATH_MAX (32U)
struct mud_crypto_opt { struct mud_crypto_opt {
unsigned char *dst; unsigned char *dst;
struct { struct {
@@ -505,6 +507,11 @@ mud_get_path(struct mud *mud, struct sockaddr_storage *local_addr,
} }
if (!path) { if (!path) {
if (mud->count == MUD_PATH_MAX) {
errno = ENOMEM;
return NULL;
}
struct mud_path *paths = realloc(mud->paths, struct mud_path *paths = realloc(mud->paths,
(mud->count + 1) * sizeof(struct mud_path)); (mud->count + 1) * sizeof(struct mud_path));