linux SCTP support part 2

Author: devnexen

libc-test/build.rs

@@ -3122,6 +3122,7 @@ fn test_linux(target: &str) {
                "netdb.h",
                "netinet/in.h",
                "netinet/ip.h",
+               //"netinet/sctp.h",
                "netinet/tcp.h",
                "netinet/udp.h",
                "netpacket/packet.h",
@@ -3856,7 +3857,8 @@ fn test_linux(target: &str) {
         // the `ifr_ifru` field is an anonymous union
         (struct_ == "ifreq" && field == "ifr_ifru") ||
         // glibc uses a single array `uregs` instead of individual fields.
-        (struct_ == "user_regs" && arm)
+        (struct_ == "user_regs" && arm) ||
+        (struct_ == "sctp_stream_reset_event" && field == "strreset_stream_list")
     });
 
     cfg.skip_roundtrip(move |s| match s {

libc-test/semver/linux.txt

@@ -2161,18 +2161,33 @@ SCM_J1939_PRIO
 SCM_TIMESTAMP
 SCM_TIMESTAMPING
 SCTP_ABORT
+SCTP_ADDR_ADDED
+SCTP_ADDR_AVAILABLE
+SCTP_ADDR_CONFIRMED
+SCTP_ADDR_MADE_PRIM
 SCTP_ADDR_OVER
+SCTP_ADDR_POTENTIALLY_FAILED
+SCTP_ADDR_REMOVED
+SCTP_ADDR_UNREACHABLE
 SCTP_ALL_ASSOC
 SCTP_ASSOCINFO
 SCTP_AUTH_CHUNK
 SCTP_AUTH_ACTIVE_KEY
 SCTP_AUTH_DEACTIVATE_KEY
 SCTP_AUTH_DELETE_KEY
+SCTP_AUTH_FREE_KEY
 SCTP_AUTH_KEY
+SCTP_AUTH_NEW_KEY
+SCTP_AUTH_NO_AUTH
 SCTP_AUTO_ASCONF
 SCTP_AUTOCLOSE
+SCTP_CANT_STR_ASSOC
+SCTP_COMM_LOST
+SCTP_COMM_UP
 SCTP_CONTEXT
 SCTP_CURRENT_ASSOC
+SCTP_DATA_SENT
+SCTP_DATA_UNSENT
 SCTP_DELAYED_ACK
 SCTP_DELAYED_ACK_TIME
 SCTP_DELAYED_SACK
@@ -2199,6 +2214,7 @@ SCTP_MAXSEG
 SCTP_NODELAY
 SCTP_NOTIFICATION
 SCTP_NXTINFO
+SCTP_PARTIAL_DELIVERY_ABORTED
 SCTP_PARTIAL_DELIVERY_POINT
 SCTP_PEER_ADDR_PARAMS
 SCTP_PEER_ADDR_THLDS
@@ -2214,11 +2230,13 @@ SCTP_PR_SCTP_TTL
 SCTP_PRIMARY_ADDR
 SCTP_RECVNXTINFO
 SCTP_RECVRCVINFO
+SCTP_RESTART
 SCTP_REUSE_PORT
 SCTP_RTOINFO
 SCTP_SACK_IMMEDIATELY
 SCTP_SENDALL
 SCTP_SET_PEER_PRIMARY_ADDR
+SCTP_SHUTDOWN_COMP
 SCTP_SNDRCV
 SCTP_STATUS
 SCTP_STREAM_RESET_INCOMING

src/unix/linux_like/linux/mod.rs

@@ -21,6 +21,7 @@ pub type __u16 = ::c_ushort;
 pub type __s16 = ::c_short;
 pub type __u32 = ::c_uint;
 pub type __s32 = ::c_int;
+pub type __be16 = ::__u16;
 
 pub type Elf32_Half = u16;
 pub type Elf32_Word = u32;
@@ -616,11 +617,11 @@ s! {
         pub port: ::c_uchar,
     }
 
-   pub struct in6_ifreq {
-       pub ifr6_addr: ::in6_addr,
-       pub ifr6_prefixlen: u32,
-       pub ifr6_ifindex: ::c_int,
-   }
+    pub struct in6_ifreq {
+        pub ifr6_addr: ::in6_addr,
+        pub ifr6_prefixlen: u32,
+        pub ifr6_ifindex: ::c_int,
+    }
 
     pub struct option {
         pub name: *const ::c_char,
@@ -685,6 +686,132 @@ s! {
     pub struct sctp_authinfo {
         pub auth_keynumber: ::__u16,
     }
+
+    pub struct sctp_assoc_change {
+        pub sac_type: ::__u16,
+        pub sac_flags: ::__u16,
+        pub sac_length: ::__u32,
+        pub sac_state: ::__u16,
+        pub sac_error: ::__u16,
+        pub sac_outbound_streams: ::__u16,
+        pub sac_inbound_streams: ::__u16,
+        pub sac_assoc_id: ::sctp_assoc_t,
+        pub sac_info: [::__u8; 0],
+    }
+
+    pub struct sctp_remote_error {
+        pub sre_type: ::__u16,
+        pub sre_flags: ::__u16,
+        pub sre_length: ::__u32,
+        pub sre_error: ::__be16,
+        pub sre_assoc_id: ::sctp_assoc_t,
+        pub sre_data: [::__u8; 0],
+    }
+
+    pub struct sctp_send_failed {
+        pub ssf_type: ::__u16,
+        pub ssf_flags: ::__u16,
+        pub ssf_length: ::__u32,
+        pub ssf_error: ::__u32,
+        pub ssf_info: sctp_sndrcvinfo,
+        pub ssf_assoc_id: ::sctp_assoc_t,
+        pub ssf_data: [::__u8; 0],
+    }
+
+    pub struct sctp_send_failed_event {
+        pub ssf_type: ::__u16,
+        pub ssf_flags: ::__u16,
+        pub ssf_length: ::__u32,
+        pub ssf_error: ::__u32,
+        pub ssfe_info: sctp_sndinfo,
+        pub ssf_assoc_id: ::sctp_assoc_t,
+        pub ssf_data: [::__u8; 0],
+    }
+
+    pub struct sctp_shutdown_event {
+        pub sse_type: ::__u16,
+        pub sse_flags: ::__u16,
+        pub sse_length: ::__u32,
+        pub sse_assoc_id: ::sctp_assoc_t,
+    }
+
+    pub struct sctp_adaptation_event {
+        pub sai_type: ::__u16,
+        pub sai_flags: ::__u16,
+        pub sai_length: ::__u32,
+        pub sai_adaptation_ind: ::__u32,
+        pub sai_assoc_id: ::sctp_assoc_t,
+    }
+
+    pub struct sctp_pdapi_event {
+        pub pdapi_type: ::__u16,
+        pub pdapi_flags: ::__u16,
+        pub pdapi_length: ::__u32,
+        pub pdapi_indication: ::__u32,
+        pub pdapi_assoc_id: ::sctp_assoc_t,
+        pub pdapi_stream: ::__u32,
+        pub pdapi_seq: ::__u32,
+    }
+
+    pub struct sctp_authkey_event {
+        pub auth_type: ::__u16,
+        pub auth_flags: ::__u16,
+        pub auth_length: ::__u32,
+        pub auth_keynumber: ::__u16,
+        pub auth_altkeynumber: ::__u16,
+        pub auth_indication: ::__u32,
+        pub auth_assoc_id: ::sctp_assoc_t,
+    }
+
+    pub struct sctp_sender_dry_event {
+        pub sender_dry_type: ::__u16,
+        pub sender_dry_flags: ::__u16,
+        pub sender_dry_length: ::__u32,
+        pub sender_dry_assoc_id: ::sctp_assoc_t,
+    }
+
+    pub struct sctp_stream_reset_event {
+        pub strreset_type: ::__u16,
+        pub strreset_flags: ::__u16,
+        pub strreset_length: ::__u32,
+        pub strreset_assoc_id: ::sctp_assoc_t,
+        pub strreset_stream_list: [::__u16; 0],
+    }
+
+    pub struct sctp_assoc_reset_event {
+        pub assocreset_type: ::__u16,
+        pub assocreset_flags: ::__u16,
+        pub assocreset_length: ::__u32,
+        pub assocreset_assoc_id: ::sctp_assoc_t,
+        pub assocreset_local_tsn: ::__u32,
+        pub assocreset_remote_tsn: ::__u32,
+    }
+
+    pub struct sctp_stream_change_event {
+        pub strchange_type: ::__u16,
+        pub strchange_flags: ::__u16,
+        pub strchange_length: ::__u32,
+        pub strchange_assoc_id: ::sctp_assoc_t,
+        pub strchange_instrms: ::__u16,
+        pub strchange_outstrms: ::__u16,
+    }
+
+    pub struct sctp_event_subscribe {
+        pub sctp_data_io_event: ::__u8,
+        pub sctp_association_event: ::__u8,
+        pub sctp_address_event: ::__u8,
+        pub sctp_send_failure_event: ::__u8,
+        pub sctp_peer_error_event: ::__u8,
+        pub sctp_shutdown_event: ::__u8,
+        pub sctp_partial_delivery_event: ::__u8,
+        pub sctp_adaptation_layer_event: ::__u8,
+        pub sctp_authentication_event: ::__u8,
+        pub sctp_sender_dry_event: ::__u8,
+        pub sctp_stream_reset_event: ::__u8,
+        pub sctp_assoc_reset_event: ::__u8,
+        pub sctp_stream_change_event: ::__u8,
+        pub sctp_send_failure_event_event: ::__u8,
+    }
 }
 
 s_no_extra_traits! {
@@ -798,6 +925,17 @@ s_no_extra_traits! {
         #[cfg(not(libc_union))]
         pub ifr_ifru: ::sockaddr,
     }
+
+    #[cfg_attr(libc_packedN, repr(packed(4)))]
+    pub struct sctp_paddr_change {
+        pub spc_type: ::__u16,
+        pub spc_flags: ::__u16,
+        pub spc_length: ::__u32,
+        pub spc_aaddr: ::sockaddr_storage,
+        pub spc_state: ::c_int,
+        pub spc_error: ::c_int,
+        pub spc_assoc_id: ::sctp_assoc_t,
+    }
 }
 
 s_no_extra_traits! {
@@ -1221,6 +1359,18 @@ cfg_if! {
                     .finish()
             }
         }
+        impl ::fmt::Debug for sctp_paddr_change {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("sctp_paddr_change")
+                    .field("spc_type", &self.spc_type)
+                    .field("spc_flags", &self.spc_flags)
+                    .field("spc_aaddr", &self.spc_aaddr)
+                    .field("spc_state", &self.spc_state)
+                    .field("spc_error", &self.spc_error)
+                    .field("spc_assoc_id", &self.spc_assoc_id)
+                    .finish()
+            }
+        }
     }
 }
 
@@ -3788,6 +3938,29 @@ pub const SCTP_PR_SCTP_ALL: ::c_int = 1 << 7;
 pub const SCTP_NOTIFICATION: ::c_int = MSG_NOTIFICATION;
 pub const SCTP_EOF: ::c_int = ::MSG_FIN;
 
+pub const SCTP_COMM_UP: ::c_int = 0;
+pub const SCTP_COMM_LOST: ::c_int = 1;
+pub const SCTP_RESTART: ::c_int = 2;
+pub const SCTP_SHUTDOWN_COMP: ::c_int = 3;
+pub const SCTP_CANT_STR_ASSOC: ::c_int = 4;
+
+pub const SCTP_ADDR_AVAILABLE: ::c_int = 0;
+pub const SCTP_ADDR_UNREACHABLE: ::c_int = 1;
+pub const SCTP_ADDR_REMOVED: ::c_int = 2;
+pub const SCTP_ADDR_ADDED: ::c_int = 3;
+pub const SCTP_ADDR_MADE_PRIM: ::c_int = 4;
+pub const SCTP_ADDR_CONFIRMED: ::c_int = 5;
+pub const SCTP_ADDR_POTENTIALLY_FAILED: ::c_int = 6;
+
+pub const SCTP_DATA_UNSENT: ::c_int = 0;
+pub const SCTP_DATA_SENT: ::c_int = 1;
+
+pub const SCTP_PARTIAL_DELIVERY_ABORTED: ::c_int = 0;
+
+pub const SCTP_AUTH_NEW_KEY: ::c_int = 0;
+pub const SCTP_AUTH_FREE_KEY: ::c_int = 1;
+pub const SCTP_AUTH_NO_AUTH: ::c_int = 2;
+
 f! {
     pub fn NLA_ALIGN(len: ::c_int) -> ::c_int {
         return ((len) + NLA_ALIGNTO - 1) & !(NLA_ALIGNTO - 1)
@@ -4704,6 +4877,67 @@ extern "C" {
     ) -> ::c_int;
 }
 
+/*
+#[link(name = "sctp")]
+extern "C" {
+    pub fn sctp_bindx(
+        sd: ::c_int,
+        addrs: *mut ::sockaddr,
+        addrcnt: ::c_int,
+        flags: ::c_int,
+    ) -> ::c_int;
+    pub fn sctp_connectx(
+        sd: ::c_int,
+        addrs: *mut ::sockaddr,
+        addrcnt: ::c_int,
+        id: *mut ::sctp_assoc_t,
+    ) -> ::c_int;
+    pub fn sctp_peeloff(sd: ::c_int, assoc_id: ::sctp_assoc_t) -> ::c_int;
+    // FIXME: linkage issue albeit belonging to the same part.
+    //pub fn sctp_peeloff_flags(sd: ::c_int, assoc_id: ::sctp_assoc_t, flags: ::c_uint) -> ::c_int;
+    pub fn sctp_opt_info(
+        sd: ::c_int,
+        id: ::sctp_assoc_t,
+        opt: ::c_int,
+        arg: *mut ::c_void,
+        size: *mut ::socklen_t,
+    ) -> ::c_int;
+    pub fn sctp_getpaddrs(sd: ::c_int, id: ::sctp_assoc_t, addrs: *mut *mut ::sockaddr) -> ::c_int;
+    pub fn sctp_freepaddrs(addrs: *mut ::sockaddr) -> ::c_int;
+    pub fn sctp_getladdrs(sd: ::c_int, id: ::sctp_assoc_t, addrs: *mut *mut ::sockaddr) -> ::c_int;
+    pub fn sctp_freeladdrs(addrs: *mut ::sockaddr) -> ::c_int;
+    pub fn sctp_send(
+        s: ::c_int,
+        msg: *const ::c_void,
+        len: ::size_t,
+        sinfo: *const ::sctp_sndrcvinfo,
+        flags: ::c_int,
+    ) -> ::c_int;
+    pub fn sctp_sendmsg(
+        s: ::c_int,
+        msg: *const ::c_void,
+        len: ::size_t,
+        to: *mut ::sockaddr,
+        tolen: ::socklen_t,
+        ppid: u32,
+        flags: u32,
+        stream_no: u16,
+        timetolive: u32,
+        context: u32,
+    ) -> ::c_int;
+    pub fn sctp_recvmsg(
+        s: ::c_int,
+        msg: *mut ::c_void,
+        len: ::size_t,
+        from: *mut ::sockaddr,
+        fromlen: *mut ::socklen_t,
+        sinfo: *mut ::sctp_sndrcvinfo,
+        msg_flags: *mut ::c_int,
+    ) -> ::c_int;
+    pub fn sctp_getaddrlen(family: ::sa_family_t) -> ::c_int;
+}
+*/
+
 cfg_if! {
     if #[cfg(target_env = "uclibc")] {
         mod uclibc;