diff options
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 45 |
1 files changed, 42 insertions, 3 deletions
@@ -40,7 +40,7 @@ #endif /** - * sock_l4_sa() - Create and bind socket to socket address, add to epoll list + * sock_l4_() - Create and bind socket to socket address * @c: Execution context * @type: epoll type * @sa: Socket address to bind to @@ -49,8 +49,9 @@ * * Return: newly created socket, negative error code on failure */ -int sock_l4_sa(const struct ctx *c, enum epoll_type type, - const union sockaddr_inany *sa, const char *ifname, bool v6only) +static int sock_l4_(const struct ctx *c, enum epoll_type type, + const union sockaddr_inany *sa, const char *ifname, + bool v6only) { sa_family_t af = sa->sa_family; bool freebind = false; @@ -169,6 +170,44 @@ int sock_l4_sa(const struct ctx *c, enum epoll_type type, } /** + * sock_l4() - Create and bind socket to given address + * @c: Execution context + * @type: epoll type + * @sa: Socket address to bind to + * @ifname: Interface for binding, NULL for any + * + * Return: newly created socket, negative error code on failure + */ +int sock_l4(const struct ctx *c, enum epoll_type type, + const union sockaddr_inany *sa, const char *ifname) +{ + return sock_l4_(c, type, sa, ifname, sa->sa_family == AF_INET6); +} + +/** + * sock_l4_dualstack() - Create a dual stack socket bound with wildcard address + * @c: Execution context + * @type: epoll type + * @port Port to bind to (:: and 0.0.0.0) + * @ifname: Interface for binding, NULL for any + * + * Return: newly created socket, negative error code on failure + * + * A dual stack socket is effectively bound to both :: and 0.0.0.0. + */ +int sock_l4_dualstack(const struct ctx *c, enum epoll_type type, + in_port_t port, const char *ifname) +{ + union sockaddr_inany sa = { + .sa6.sin6_family = AF_INET6, + .sa6.sin6_addr = in6addr_any, + .sa6.sin6_port = htons(port), + }; + + return sock_l4_(c, type, &sa, ifname, 0); +} + +/** * sock_unix() - Create and bind AF_UNIX socket * @sock_path: Socket path. If empty, set on return (UNIX_SOCK_PATH as prefix) * |