34 lines
1.3 KiB
Diff
34 lines
1.3 KiB
Diff
diff -Nur lwip-2.2.0old/src/api/sockets.c lwip-2.2.0/src/api/sockets.c
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--- lwip-2.2.0old/src/api/sockets.c 2024-04-30 10:27:19.406967694 +0800
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+++ lwip-2.2.0/src/api/sockets.c 2024-04-30 10:37:41.203874969 +0800
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@@ -3859,6 +3859,29 @@
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return ENOPROTOOPT;
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}
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break;
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+ case MCAST_JOIN_GROUP:
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+ case MCAST_LEAVE_GROUP: {
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+ LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, struct group_req);
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+ if (((const struct group_req *)optval)->gr_group.ss_family != AF_INET) {
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+ done_socket(sock);
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+ return EINVAL;
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+ }
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+#if LWIP_UDP
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+ if (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_UDP) {
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+ err = mcast_sock_join_leave_group(s,&sock->conn->pcb.udp->ipmc, optname, (const struct group_req *)optval);
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+ } else
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+#endif /* LWIP_UDP */
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+#if LWIP_RAW
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+ if (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_RAW) {
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+ err = mcast_sock_join_leave_group(s,&sock->conn->pcb.raw->ipmc, optname, (const struct group_req *)optval);
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+ } else
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+#endif /* LWIP_RAW */
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+ {
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+ done_socket(sock);
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+ return ENOPROTOOPT;
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+ }
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+ }
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+ break;
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case MCAST_JOIN_SOURCE_GROUP:
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case MCAST_LEAVE_SOURCE_GROUP:
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LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, struct group_source_req);
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