netstat: igmp stats, error on unexpected information, not only warn
The igmp stats tend to print two lines of warning for an unexpected version and length. Despite an invalid version and struct size it continues to try to do something with the data. Do not try to parse the remainder of the struct and error on warning. Note the underlying issue of the data not being available properly is still there and needs to be fixed seperately. Reported by: test cases, lwhsu MFC after: 3 weeks
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=354639
@ -1230,10 +1230,12 @@ igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
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if (igmpstat.igps_version != IGPS_VERSION_3) {
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if (igmpstat.igps_version != IGPS_VERSION_3) {
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xo_warnx("%s: version mismatch (%d != %d)", __func__,
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xo_warnx("%s: version mismatch (%d != %d)", __func__,
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igmpstat.igps_version, IGPS_VERSION_3);
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igmpstat.igps_version, IGPS_VERSION_3);
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return;
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}
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}
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if (igmpstat.igps_len != IGPS_VERSION3_LEN) {
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if (igmpstat.igps_len != IGPS_VERSION3_LEN) {
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xo_warnx("%s: size mismatch (%d != %d)", __func__,
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xo_warnx("%s: size mismatch (%d != %d)", __func__,
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igmpstat.igps_len, IGPS_VERSION3_LEN);
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igmpstat.igps_len, IGPS_VERSION3_LEN);
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return;
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}
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}
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xo_open_container(name);
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xo_open_container(name);
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