from libnetfilter_conntrack instead of original --- output/Makefile.am | 6 ++- output/ulogd_output_IPFIX.c | 107 ++++++-------------------------------------- 2 files changed, 18 insertions(+), 95 deletions(-) diff --git a/output/Makefile.am b/output/Makefile.am index ff851ad..92f1233 100644 --- a/output/Makefile.am +++ b/output/Makefile.am @@ -7,7 +7,7 @@ SUBDIRS= pcap mysql pgsql sqlite3 dbi pkglib_LTLIBRARIES = ulogd_output_LOGEMU.la ulogd_output_SYSLOG.la \ ulogd_output_OPRINT.la ulogd_output_GPRINT.la \ ulogd_output_NACCT.la ulogd_output_XML.la \ - ulogd_output_GRAPHITE.la + ulogd_output_GRAPHITE.la ulogd_output_IPFIX.la if HAVE_JANSSON pkglib_LTLIBRARIES += ulogd_output_JSON.la @@ -42,3 +42,7 @@ ulogd_output_JSON_la_SOURCES = ulogd_output_JSON.c ulogd_output_JSON_la_LIBADD = ${libjansson_LIBS} ulogd_output_JSON_la_LDFLAGS = -avoid-version -module endif + +ulogd_output_IPFIX_la_SOURCES = ulogd_output_IPFIX.c +ulogd_output_IPFIX_la_LDFLAGS = -avoid-version -module +ulogd_output_IPFIX_la_LIBADD = ${LIBNETFILTER_CONNTRACK_LIBS} diff --git a/output/ulogd_output_IPFIX.c b/output/ulogd_output_IPFIX.c index 761d272..01ac9a0 100644 --- a/output/ulogd_output_IPFIX.c +++ b/output/ulogd_output_IPFIX.c @@ -36,6 +36,8 @@ #include <sys/socket.h> #include <netdb.h> +#include <libnetfilter_conntrack/libnetfilter_conntrack.h> + #include <ulogd/linuxlist.h> #ifdef IPPROTO_SCTP @@ -68,89 +70,6 @@ struct sctp_sndrcvinfo { #define IPFIX_DEFAULT_TCPUDP_PORT 4739 -/* bitmask stuff */ -struct bitmask { - int size_bits; - char *buf; -}; - -#define SIZE_OCTETS(x) ((x/8)+1) - -void bitmask_clear(struct bitmask *bm) -{ - memset(bm->buf, 0, SIZE_OCTETS(bm->size_bits)); -} - -struct bitmask *bitmask_alloc(unsigned int num_bits) -{ - struct bitmask *bm; - unsigned int size_octets = SIZE_OCTETS(num_bits); - - bm = malloc(sizeof(*bm) + size_octets); - if (!bm) - return NULL; - - bm->size_bits = num_bits; - bm->buf = (void *)bm + sizeof(*bm); - - bitmask_clear(bm); - - return bm; -} - -void bitmask_free(struct bitmask *bm) -{ - free(bm); -} - -int bitmask_set_bit_to(struct bitmask *bm, unsigned int bits, int to) -{ - unsigned int byte = bits / 8; - unsigned int bit = bits % 8; - unsigned char *ptr; - - if (byte > SIZE_OCTETS(bm->size_bits)) - return -EINVAL; - - if (to == 0) - bm->buf[byte] &= ~(1 << bit); - else - bm->buf[byte] |= (1 << bit); - - return 0; -} - -#define bitmask_clear_bit(bm, bit) \ - bitmask_set_bit_to(bm, bit, 0) - -#define bitmask_set_bit(bm, bit) \ - bitmask_set_bit_to(bm, bit, 1) - -int bitmasks_equal(const struct bitmask *bm1, const struct bitmask *bm2) -{ - if (bm1->size_bits != bm2->size_bits) - return -1; - - if (!memcmp(bm1->buf, bm2->buf, SIZE_OCTETS(bm1->size_bits))) - return 1; - else - return 0; -} - -struct bitmask *bitmask_dup(const struct bitmask *bm_orig) -{ - struct bitmask *bm_new; - int size = sizeof(*bm_new) + SIZE_OCTETS(bm_orig->size_bits); - - bm_new = malloc(size); - if (!bm_new) - return NULL; - - memcpy(bm_new, bm_orig, size); - - return bm_new; -} - static struct config_keyset ipfix_kset = { .num_ces = 3, .ces = { @@ -185,7 +104,7 @@ struct ipfix_template { struct ulogd_ipfix_template { struct llist_head list; - struct bitmask *bitmask; + struct nfct_bitmask *bitmask; unsigned int total_length; /* length of the DATA */ char *tmpl_cur; /* cursor into current template position */ struct ipfix_template tmpl; @@ -201,7 +120,7 @@ struct ipfix_instance { struct ipfix_template *tmpl; unsigned int tmpl_len; - struct bitmask *valid_bitmask; /* bitmask of valid keys */ + struct nfct_bitmask *valid_bitmask; /* bitmask of valid keys */ unsigned int total_length; /* total size of all data elements */ }; @@ -212,7 +131,7 @@ static u_int16_t next_template_id = ULOGD_IPFIX_TEMPL_BASE; /* Build the IPFIX template from the input keys */ struct ulogd_ipfix_template * build_template_for_bitmask(struct ulogd_pluginstance *upi, - struct bitmask *bm) + struct nfct_bitmask *bm) { struct ipfix_instance *ii = (struct ipfix_instance *) &upi->private; struct ipfix_templ_rec_hdr *rhdr; @@ -226,7 +145,7 @@ build_template_for_bitmask(struct ulogd_pluginstance *upi, return NULL; memset(tmpl, 0, size); - tmpl->bitmask = bitmask_dup(bm); + tmpl->bitmask = nfct_bitmask_clone(bm); if (!tmpl->bitmask) { free(tmpl); return NULL; @@ -288,14 +207,14 @@ build_template_for_bitmask(struct ulogd_pluginstance *upi, static struct ulogd_ipfix_template * find_template_for_bitmask(struct ulogd_pluginstance *upi, - struct bitmask *bm) + struct nfct_bitmask *bm) { struct ipfix_instance *ii = (struct ipfix_instance *) &upi->private; struct ulogd_ipfix_template *tmpl; /* FIXME: this can be done more efficient! */ llist_for_each_entry(tmpl, &ii->template_list, list) { - if (bitmasks_equal(bm, tmpl->bitmask)) + if (nfct_bitmask_equal(bm, tmpl->bitmask)) return tmpl; } return NULL; @@ -313,13 +232,13 @@ static int output_ipfix(struct ulogd_pluginstance *upi) * ulogd core could very easily flush it after every packet, * too. */ - bitmask_clear(ii->valid_bitmask); + nfct_bitmask_clear(ii->valid_bitmask); for (i = 0; i < upi->input.num_keys; i++) { struct ulogd_key *key = upi->input.keys[i].u.source; if (key->flags & ULOGD_RETF_VALID) - bitmask_set_bit(ii->valid_bitmask, i); + nfct_bitmask_set_bit(ii->valid_bitmask, i); } /* lookup template ID for this bitmask */ @@ -430,7 +349,7 @@ static int start_ipfix(struct ulogd_pluginstance *pi) ulogd_log(ULOGD_DEBUG, "starting ipfix\n"); - ii->valid_bitmask = bitmask_alloc(pi->input.num_keys); + ii->valid_bitmask = nfct_bitmask_new(pi->input.num_keys); if (!ii->valid_bitmask) return -ENOMEM; @@ -443,7 +362,7 @@ static int start_ipfix(struct ulogd_pluginstance *pi) return 0; out_bm_free: - bitmask_free(ii->valid_bitmask); + nfct_bitmask_destroy(ii->valid_bitmask); ii->valid_bitmask = NULL; return ret; @@ -455,7 +374,7 @@ static int stop_ipfix(struct ulogd_pluginstance *pi) close(ii->fd); - bitmask_free(ii->valid_bitmask); + nfct_bitmask_destroy(ii->valid_bitmask); ii->valid_bitmask = NULL; return 0; -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html