We have been compiling ntop statically under FreeBSD because some of
the graphs were messed up otherwise. Then we noticed these syslog
messages upon sntop startup:
Jul 15 18:22:48 x ntop[86899]: VENDOR: Loading MAC address table.
Jul 15 18:22:48 x ntop[86899]: VENDOR: Checking './specialMAC.txt'
Jul 15 18:22:48 x ntop[86899]: VENDOR: Checking
'/usr/local/etc/ntop/specialMAC.txt'
Jul 15 18:22:48 x ntop[86899]: VENDOR: ...found, 0 lines, loaded 0
records!
Jul 15 18:22:48 x ntop[86899]: VENDOR: Checking './oui.txt'
Jul 15 18:22:48 x ntop[86899]: VENDOR: Checking
'/usr/local/etc/ntop/oui.txt'
Jul 15 18:22:48 x ntop[86899]: VENDOR: ...found, 0 lines, loaded 0
records!
Jul 15 18:22:48 x ntop[86899]: I18N: This instance of ntop does not
support multiple languages
Jul 15 18:22:48 x ntop[86899]: IP2CC: Looking for IP address <-> Country
code mapping file
Jul 15 18:22:48 x ntop[86899]: **ERROR** IP2CC: reading file
'/usr/local/etc/ntop/p2c.opt.table'
Jul 15 18:22:48 x ntop[86899]: **ERROR** IP2CC: problem is Bad file
descriptor(9)
Jul 15 18:22:48 x ntop[86899]: IP2CC: ntop continues OK, but with no
data from file
Jul 15 18:22:48 x ntop[86899]: **WARNING** IP2CC: Unable to read IP
address <-> Country code mapping file (non-existant or no data).
Jul 15 18:22:48 x ntop[86899]: IP2CC: ntop will perform correctly but
without this minor feature.
Another FreeBSD system that used the dynamic-linking ntop binary
reads these files in correctly (but some of the graphs were messed
up - mentioned above). Comparing the md5 sums of the files in
question (ie. oui.txt) shows that the files are not corrupted.
Upon further investigation, it looks like line 461 of vendor.c:
while (fgets(tmpLine, sizeof(tmpLine), fd)) {
is failing. A quick test with ferror(fd) seems to confirm this.
However, we're not sure what the problem is. The files are
world readable and they are located by ntop (the syslog messages
when the files are renamed confirms this).
Any ideas?
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