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In `open_db_dbi`, we test whether various config-settings are defined
by comparing their string values to `NULL`. However, the `u.string`
member of `struct config_entry` is an array, not a pointer, so it is
never `NULL`. Instead, check whether the string is empty.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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On error, `dbi_conn_quote_string_copy` returns zero. In this case, we
need to set `*dst` to NUL. Handle a return-value of `2` as normal
below. `1` is never returned.
Replace `strncpy` with `memcpy`: using `strncpy` is nearly always a
mistake, and we don't need its special behaviour here.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Currently, we copy the column-name to a buffer, iterate over it to
replace the underscores with full-stops, using `strchr` from the start
of the buffer on each iteration, iterate over it a second time to
lower-case all letters, and finally copy the buffer to the input-key's
`name` member.
In addition to being inefficient, `strncpy` is used to do the copies,
which leads gcc to complain:
ulogd_output_DBI.c:160:17: warning: `strncpy` output may be truncated copying 31 bytes from a string of length 31
Furthermore, the buffer is not initialized, which means that there is
also a possible buffer overrun if the column-name is too long, since
`strncpy` will not append a NUL.
Instead, copy the column-name directly to the input-key using
`snprintf`, and then iterate over it once to replace underscores and
lower-case letters.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The DBI output plugin uses some libdbi functions which have been
deprecated in favour of re-entrant equivalents. Switch to the
re-entrant functions.
Remove superfluous `init` declaration.
Add destructor to clean up DBI instance on exit.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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There are a number of places where we `malloc` some memory and then
`memset` it to zero. Use `calloc` instead.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It was wrong, use VERSION constant which uses the version
information available in configure.ac.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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DBI: allow to define table name via table config option
While using the DBI plugin of ulogd2 for NFCT based accounting, despite
using table="conntrack", it always insisted in using the table "ulog"
for deriving the keys/columns to be stored.
I've hacked up a quick fix, and it seems to work as expected (though no
proper null termination after strncpy).
Signed-off-by: Harald Welte <laforge@netfilter.org>
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Some databases (e.g Oracle) return column name in uppercase, while
key name is in lowercase. This patch allows to match keys correctly.
Signed-off-by: Pierre Chifflier <chifflier@inl.fr>
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libdbi implements a database-independent abstraction layer in C, similar to
the DBI/DBD layer in Perl.
This module brings support for all database types supported by libdbi.
Signed-off-by: Pierre Chifflier <chifflier@inl.fr>
Signed-off-by: Eric Leblond <eric@inl.fr>
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