prevent loading files with future dates
Costa Tsaousis (ktsaou) committed
Feb 23, 2017 at 20:59 UTC
66f5cf19c3c9f3ed649bc90c72bc053de0584ad7
1 file changed
+8
-1
src/rrdset.c
+8
-1
@@ -331,6 +331,8 @@ RRDSET *rrdset_create(RRDHOST *host, const char *type, const char *id, const cha
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unsigned long size = sizeof(RRDSET);
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char *cache_dir = rrdset_cache_dir(host, fullid, config_section);
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+ time_t now = now_realtime_sec();
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+
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// ------------------------------------------------------------------------
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// load it or allocate it
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@@ -380,11 +382,16 @@ RRDSET *rrdset_create(RRDHOST *host, const char *type, const char *id, const cha
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error("File %s does not have the desired update frequency. Clearing it.", fullfilename);
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memset(st, 0, size);
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}
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- else if((now_realtime_sec() - st->last_updated.tv_sec) > update_every * entries) {
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+ else if((now - st->last_updated.tv_sec) > update_every * entries) {
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errno = 0;
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error("File %s is too old. Clearing it.", fullfilename);
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memset(st, 0, size);
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}
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+ else if(st->last_updated.tv_sec > now + update_every) {
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+ errno = 0;
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+ error("File %s refers to the future. Clearing it.", fullfilename);
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+ memset(st, 0, size);
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+ }
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// make sure the database is aligned
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if(st->last_updated.tv_sec)