quagga-snap
Public
Commits
Leonard Herve authored and David Lamparter committed df4044b2cbe
| 104 104 | } |
| 105 105 | |
| 106 106 | zlog_err("%s %s: Missing IP_PKTINFO and IP_RECVDSTADDR: unable to get dst addr from recvmsg()", |
| 107 107 | __FILE__, __PRETTY_FUNCTION__); |
| 108 108 | close(fd); |
| 109 109 | return PIM_SOCK_ERR_DSTADDR; |
| 110 110 | |
| 111 111 | } |
| 112 112 | |
| 113 113 | |
| 114 - | /* Set router alert (RFC 2113) */ |
| 115 - | { |
| 114 + | /* Set router alert (RFC 2113) for all IGMP messages (RFC 3376 4. Message Formats)*/ |
| 115 + | if (protocol == IPPROTO_IGMP) { |
| 116 116 | char ra[4]; |
| 117 117 | ra[0] = 148; |
| 118 118 | ra[1] = 4; |
| 119 119 | ra[2] = 0; |
| 120 120 | ra[3] = 0; |
| 121 121 | if (setsockopt(fd, IPPROTO_IP, IP_OPTIONS, ra, 4)) { |
| 122 122 | zlog_warn("Could not set Router Alert Option on socket fd=%d: errno=%d: %s", |
| 123 123 | fd, errno, safe_strerror(errno)); |
| 124 124 | close(fd); |
| 125 125 | return PIM_SOCK_ERR_RA; |