[hackers] [quark] Fix inverted conditional in sock_same_addr() || Thomas Oltmann

[git]

commit eead7a5fd2cbe5aa54d278c8171bd9476f91b2e4
Author:     Thomas Oltmann <thomas.oltmann....@gmail.com>
AuthorDate: Tue Apr 19 12:04:57 2022 +0200
Commit:     Laslo Hunhold <d...@frign.de>
CommitDate: Sun Feb 26 20:15:46 2023 +0100

    Fix inverted conditional in sock_same_addr()
    
    sock_same_addr() is supposed to return 0 if sa1 and sa2 are different 
addresses.
    Since memcmp() returns 0 if its arguments are equal, we need to flip the 
return
    value by comparing it to 0.

diff --git a/sock.c b/sock.c
index ecb73ef..e6e7754 100644
--- a/sock.c
+++ b/sock.c
@@ -198,7 +198,7 @@ sock_same_addr(const struct sockaddr_storage *sa1, const 
struct sockaddr_storage
        case AF_INET6:
                return memcmp(((struct sockaddr_in6 *)sa1)->sin6_addr.s6_addr,
                              ((struct sockaddr_in6 *)sa2)->sin6_addr.s6_addr,
-                             sizeof(((struct sockaddr_in6 
*)sa1)->sin6_addr.s6_addr));
+                             sizeof(((struct sockaddr_in6 
*)sa1)->sin6_addr.s6_addr)) == 0;
        case AF_INET:
                return ntohl(((struct sockaddr_in *)sa1)->sin_addr.s_addr) ==
                       ntohl(((struct sockaddr_in *)sa2)->sin_addr.s_addr);