faraphel/chrony
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sources: don't save or load dumpfiles for unknown addresses

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Don't open a dumpfile for reading or writing if the NTP source doesn't
have a real address.

Fixes: d7e3ad17ff ("ntp: create sources for unresolved addresses")
This commit is contained in:
Miroslav Lichvar 2020-02-24 18:05:09 +01:00
parent a24d2713cd
commit 672b98dd3f
1 changed files with 4 additions and 2 deletions
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6
sources.c
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@ -1161,10 +1161,12 @@ FILE *open_dumpfile(SRC_Instance inst, char mode)
}
/* Include IP address in the name for NTP sources, or reference ID in hex */
if (inst->type == SRC_NTP)
if (inst->type == SRC_NTP && UTI_IsIPReal(inst->ip_addr))
snprintf(filename, sizeof (filename), "%s", source_to_string(inst));
else
else if (inst->type == SRC_REFCLOCK)
snprintf(filename, sizeof (filename), "refid:%08"PRIx32, inst->ref_id);
else
return NULL;
return UTI_OpenFile(dumpdir, filename, ".dat", mode, 0644);
}