arti/socket-enhancer
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Attempt 2

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This commit is contained in:
Peter H. Jin 2022-07-02 14:08:24 -04:00
parent afa6e73b4a
commit f0e1125e05
1 changed files with 7 additions and 7 deletions
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12
socket-enhancer.c
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@ -402,6 +402,7 @@ static int try_preconnect_bind_v4(int fd, const struct in_addr *bind_addr, int f
if (apply_bind_profile(fd, 44, 0, config, 0) < 0) return -1;
}
}
if (!bind_addr) return 0;
int one = 1;
setsockopt(fd, SOL_IP, IP_BIND_ADDRESS_NO_PORT, &one, sizeof(one));
one = 1;
@ -424,6 +425,7 @@ static int try_preconnect_bind_v6(int fd, const struct ipv6_with_scope *bind_add
if (apply_bind_profile(fd, 64, 0, config, 0) < 0) return -1;
}
}
if (!bind_addr) return 0;
int one = 1;
setsockopt(fd, SOL_IP, IP_BIND_ADDRESS_NO_PORT, &one, sizeof(one));
one = 1;
@ -490,19 +492,17 @@ int connect(int fd, const struct sockaddr *addr_, socklen_t len_) {
bind_addr = &config->ipv6_default;
}
}
if (bind_addr) {
if (try_preconnect_bind_v6(fd, bind_addr, always_freebind, config)) return -1;
}
}
} else if (len == sizeof(struct sockaddr_in)) {
if (addr->sa_family == AF_INET) {
memcpy(&new_addr.ipv4_addr, addr, sizeof(struct sockaddr_in));
addr = (struct sockaddr *) &new_addr.ipv4_addr;
struct in_addr *v4_address = &new_addr.ipv4_addr.sin_addr;
if ((config->has_v4_loopback) && ((ntohl(v4_address->s_addr) & 0xff000000) == 0x7f000000)) {
if (try_preconnect_bind_v4(fd, &config->ipv4_loopback, always_freebind, config)) return -1;
} else if (config->has_v4_default) {
if (try_preconnect_bind_v4(fd, &config->ipv4_default, always_freebind, config)) return -1;
if ((ntohl(v4_address->s_addr) & 0xff000000) == 0x7f000000) {
if (try_preconnect_bind_v4(fd, config->has_v4_loopback ? &config->ipv4_loopback : NULL, always_freebind, config)) return -1;
} else {
if (try_preconnect_bind_v4(fd, config->has_v4_default ? &config->ipv4_default : NULL, always_freebind, config)) return -1;
}
}
}