diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml index beac053bf0..43841c2399 100644 --- a/man/systemd.socket.xml +++ b/man/systemd.socket.xml @@ -310,6 +310,15 @@ + + SocketProtocol= + Takes a one of + or . Specifies a socket protocol + (IPPROTO_UDPLITE) UDP-Lite + (IPPROTO_SCTP) SCTP socket respectively. + + + BindIPv6Only= Takes a one of , diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4 index 799418033d..679d6dd81d 100644 --- a/src/core/load-fragment-gperf.gperf.m4 +++ b/src/core/load-fragment-gperf.gperf.m4 @@ -249,6 +249,7 @@ Socket.ListenNetlink, config_parse_socket_listen, SOCKET_SOCK Socket.ListenSpecial, config_parse_socket_listen, SOCKET_SPECIAL, 0 Socket.ListenMessageQueue, config_parse_socket_listen, SOCKET_MQUEUE, 0 Socket.ListenUSBFunction, config_parse_socket_listen, SOCKET_USB_FUNCTION, 0 +Socket.SocketProtocol, config_parse_socket_protocol, 0, 0 Socket.BindIPv6Only, config_parse_socket_bind, 0, 0, Socket.Backlog, config_parse_unsigned, 0, offsetof(Socket, backlog) Socket.BindToDevice, config_parse_socket_bindtodevice, 0, 0 diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index dda79267f7..d5cf476fda 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -421,6 +421,37 @@ int config_parse_socket_listen(const char *unit, return 0; } +int config_parse_socket_protocol(const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + Socket *s; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + s = SOCKET(data); + + if (streq(rvalue, "udplite")) + s->socket_protocol = IPPROTO_UDPLITE; + else if (streq(rvalue, "sctp")) + s->socket_protocol = IPPROTO_SCTP; + else { + log_syntax(unit, LOG_ERR, filename, line, 0, "Socket protocol not supported, ignoring: %s", rvalue); + return 0; + } + + return 0; +} + int config_parse_socket_bind(const char *unit, const char *filename, unsigned line, diff --git a/src/core/load-fragment.h b/src/core/load-fragment.h index 62300c10f9..a451fc164a 100644 --- a/src/core/load-fragment.h +++ b/src/core/load-fragment.h @@ -38,6 +38,7 @@ int config_parse_unit_path_printf(const char *unit, const char *filename, unsign int config_parse_unit_path_strv_printf(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_documentation(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_socket_listen(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); +int config_parse_socket_protocol(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_socket_bind(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_exec_nice(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_exec_oom_score_adjust(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); diff --git a/src/core/socket.c b/src/core/socket.c index 5b9e32ce9d..687675b24e 100644 --- a/src/core/socket.c +++ b/src/core/socket.c @@ -1266,6 +1266,19 @@ static int socket_open_fds(Socket *s) { know_label = true; } + /* Apply the socket protocol */ + switch(p->address.type) { + case SOCK_STREAM: + case SOCK_SEQPACKET: + if (p->socket->socket_protocol == IPPROTO_SCTP) + p->address.protocol = p->socket->socket_protocol; + break; + case SOCK_DGRAM: + if (p->socket->socket_protocol == IPPROTO_UDPLITE) + p->address.protocol = p->socket->socket_protocol; + break; + } + r = socket_address_listen( &p->address, SOCK_CLOEXEC|SOCK_NONBLOCK, diff --git a/src/core/socket.h b/src/core/socket.h index 94cda8a90d..fb3948130f 100644 --- a/src/core/socket.h +++ b/src/core/socket.h @@ -120,6 +120,8 @@ struct Socket { bool remove_on_stop; bool writable; + int socket_protocol; + /* Socket options */ bool keep_alive; bool no_delay;