GitLab/ocserv
1
0
Fork 0
mirror of https://gitlab.com/openconnect/ocserv.git synced 2026-02-10 16:57:00 +08:00
Code Issues Packages Projects Releases Wiki Activity

The IP don't fragment bit is only set if try-mtu-discovery is true.

Browse Source
This commit is contained in:
Nikos Mavrogiannopoulos
2014-03-24 13:22:22 +01:00
parent dd11a06951
commit 214ae42cd3
1 changed files with 12 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/main.c
View File

@@ -95,20 +95,22 @@ static void add_listener(struct listen_list_st *list,
list->total++;
}
static void set_udp_socket_options(int fd)
static void set_udp_socket_options(struct cfg_st* config, int fd)
{
int y;
if (config->try_mtu) {
#if defined(IP_DONTFRAG)
y = 1;
if (setsockopt(fd, SOL_IP, IP_DONTFRAG,
(const void *) &y, sizeof(y)) < 0)
perror("setsockopt(IP_DF) failed");
y = 1;
if (setsockopt(fd, SOL_IP, IP_DONTFRAG,
(const void *) &y, sizeof(y)) < 0)
perror("setsockopt(IP_DF) failed");
#elif defined(IP_MTU_DISCOVER)
y = IP_PMTUDISC_DO;
if (setsockopt(fd, IPPROTO_IP, IP_MTU_DISCOVER,
y = IP_PMTUDISC_DO;
if (setsockopt(fd, IPPROTO_IP, IP_MTU_DISCOVER,
(const void *) &y, sizeof(y)) < 0)
perror("setsockopt(IP_DF) failed");
perror("setsockopt(IP_DF) failed");
#endif
}
}
static void set_common_socket_options(int fd)
@@ -174,7 +176,7 @@ int _listen_ports(struct cfg_st* config, struct addrinfo *res, struct listen_lis
}
if (ptr->ai_socktype == SOCK_DGRAM) {
set_udp_socket_options(s);
set_udp_socket_options(config, s);
}
@@ -246,7 +248,7 @@ listen_ports(struct cfg_st* config, struct listen_list_st *list, const char *nod
}
if (type == SOCK_DGRAM)
set_udp_socket_options(fd);
set_udp_socket_options(config, fd);
/* obtain socket params */
tmp_sock_len = sizeof(tmp_sock);