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authorKristof Provost <kp@FreeBSD.org>2023-08-29 15:16:19 +0000
committerKristof Provost <kp@FreeBSD.org>2023-08-31 08:56:32 +0000
commit6fbb9fbf7d659574512d706912e8fd0576b13573 (patch)
tree9d04a8e57e2d615886ba7a5e0c27520adb0b92e2 /usr.sbin/bsnmpd/modules
parente3d3d61a7d94a4155ef70048a8b578985fca8383 (diff)
downloadsrc-6fbb9fbf7d659574512d706912e8fd0576b13573.tar.gz
src-6fbb9fbf7d659574512d706912e8fd0576b13573.zip
snmp_pf: use libpfctl's pfctl_get_status() rather than DIOCGETSTATUS
Prefer libpfctl functions over direct access to the ioctl whenever possible. This will allow subsequent removal of DIOCGETSTATUS (in 15) as there already is an nvlist-based alternative. MFC after: 1 week Sponsored by: Rubicon Communications, LLC ("Netgate") Differential Revision: https://reviews.freebsd.org/D41650
Diffstat (limited to 'usr.sbin/bsnmpd/modules')
-rw-r--r--usr.sbin/bsnmpd/modules/snmp_pf/pf_snmp.c74
1 files changed, 39 insertions, 35 deletions
diff --git a/usr.sbin/bsnmpd/modules/snmp_pf/pf_snmp.c b/usr.sbin/bsnmpd/modules/snmp_pf/pf_snmp.c
index 134c05171749..a5786007d3f4 100644
--- a/usr.sbin/bsnmpd/modules/snmp_pf/pf_snmp.c
+++ b/usr.sbin/bsnmpd/modules/snmp_pf/pf_snmp.c
@@ -54,7 +54,7 @@ static int dev = -1;
static int started;
static uint64_t pf_tick;
-static struct pf_status pfs;
+static struct pfctl_status *pfs;
enum { IN, OUT };
enum { IPV4, IPV6 };
@@ -166,18 +166,18 @@ pf_status(struct snmp_context __unused *ctx, struct snmp_value *val,
switch (which) {
case LEAF_pfStatusRunning:
- val->v.uint32 = pfs.running;
+ val->v.uint32 = pfs->running;
break;
case LEAF_pfStatusRuntime:
- runtime = (pfs.since > 0) ?
- time(NULL) - pfs.since : 0;
+ runtime = (pfs->since > 0) ?
+ time(NULL) - pfs->since : 0;
val->v.uint32 = runtime * 100;
break;
case LEAF_pfStatusDebug:
- val->v.uint32 = pfs.debug;
+ val->v.uint32 = pfs->debug;
break;
case LEAF_pfStatusHostId:
- sprintf(str, "0x%08x", ntohl(pfs.hostid));
+ sprintf(str, "0x%08x", ntohl(pfs->hostid));
return (string_get(val, str, strlen(str)));
default:
@@ -205,22 +205,22 @@ pf_counter(struct snmp_context __unused *ctx, struct snmp_value *val,
switch (which) {
case LEAF_pfCounterMatch:
- val->v.counter64 = pfs.counters[PFRES_MATCH];
+ val->v.counter64 = pfctl_status_counter(pfs, PFRES_MATCH);
break;
case LEAF_pfCounterBadOffset:
- val->v.counter64 = pfs.counters[PFRES_BADOFF];
+ val->v.counter64 = pfctl_status_counter(pfs, PFRES_BADOFF);
break;
case LEAF_pfCounterFragment:
- val->v.counter64 = pfs.counters[PFRES_FRAG];
+ val->v.counter64 = pfctl_status_counter(pfs, PFRES_FRAG);
break;
case LEAF_pfCounterShort:
- val->v.counter64 = pfs.counters[PFRES_SHORT];
+ val->v.counter64 = pfctl_status_counter(pfs, PFRES_SHORT);
break;
case LEAF_pfCounterNormalize:
- val->v.counter64 = pfs.counters[PFRES_NORM];
+ val->v.counter64 = pfctl_status_counter(pfs, PFRES_NORM);
break;
case LEAF_pfCounterMemDrop:
- val->v.counter64 = pfs.counters[PFRES_MEMORY];
+ val->v.counter64 = pfctl_status_counter(pfs, PFRES_MEMORY);
break;
default:
@@ -248,19 +248,19 @@ pf_statetable(struct snmp_context __unused *ctx, struct snmp_value *val,
switch (which) {
case LEAF_pfStateTableCount:
- val->v.uint32 = pfs.states;
+ val->v.uint32 = pfs->states;
break;
case LEAF_pfStateTableSearches:
val->v.counter64 =
- pfs.fcounters[FCNT_STATE_SEARCH];
+ pfctl_status_fcounter(pfs, FCNT_STATE_SEARCH);
break;
case LEAF_pfStateTableInserts:
val->v.counter64 =
- pfs.fcounters[FCNT_STATE_INSERT];
+ pfctl_status_fcounter(pfs, FCNT_STATE_INSERT);
break;
case LEAF_pfStateTableRemovals:
val->v.counter64 =
- pfs.fcounters[FCNT_STATE_REMOVALS];
+ pfctl_status_fcounter(pfs, FCNT_STATE_REMOVALS);
break;
default:
@@ -288,19 +288,19 @@ pf_srcnodes(struct snmp_context __unused *ctx, struct snmp_value *val,
switch (which) {
case LEAF_pfSrcNodesCount:
- val->v.uint32 = pfs.src_nodes;
+ val->v.uint32 = pfs->src_nodes;
break;
case LEAF_pfSrcNodesSearches:
val->v.counter64 =
- pfs.scounters[SCNT_SRC_NODE_SEARCH];
+ pfctl_status_scounter(pfs, SCNT_SRC_NODE_SEARCH);
break;
case LEAF_pfSrcNodesInserts:
val->v.counter64 =
- pfs.scounters[SCNT_SRC_NODE_INSERT];
+ pfctl_status_scounter(pfs, SCNT_SRC_NODE_INSERT);
break;
case LEAF_pfSrcNodesRemovals:
val->v.counter64 =
- pfs.scounters[SCNT_SRC_NODE_REMOVALS];
+ pfctl_status_scounter(pfs, SCNT_SRC_NODE_REMOVALS);
break;
default:
@@ -461,51 +461,51 @@ pf_logif(struct snmp_context __unused *ctx, struct snmp_value *val,
switch (which) {
case LEAF_pfLogInterfaceName:
- strlcpy(str, pfs.ifname, sizeof str);
+ strlcpy(str, pfs->ifname, sizeof str);
return (string_get(val, str, strlen(str)));
case LEAF_pfLogInterfaceIp4BytesIn:
- val->v.counter64 = pfs.bcounters[IPV4][IN];
+ val->v.counter64 = pfs->bcounters[IPV4][IN];
break;
case LEAF_pfLogInterfaceIp4BytesOut:
- val->v.counter64 = pfs.bcounters[IPV4][OUT];
+ val->v.counter64 = pfs->bcounters[IPV4][OUT];
break;
case LEAF_pfLogInterfaceIp4PktsInPass:
val->v.counter64 =
- pfs.pcounters[IPV4][IN][PF_PASS];
+ pfs->pcounters[IPV4][IN][PF_PASS];
break;
case LEAF_pfLogInterfaceIp4PktsInDrop:
val->v.counter64 =
- pfs.pcounters[IPV4][IN][PF_DROP];
+ pfs->pcounters[IPV4][IN][PF_DROP];
break;
case LEAF_pfLogInterfaceIp4PktsOutPass:
val->v.counter64 =
- pfs.pcounters[IPV4][OUT][PF_PASS];
+ pfs->pcounters[IPV4][OUT][PF_PASS];
break;
case LEAF_pfLogInterfaceIp4PktsOutDrop:
val->v.counter64 =
- pfs.pcounters[IPV4][OUT][PF_DROP];
+ pfs->pcounters[IPV4][OUT][PF_DROP];
break;
case LEAF_pfLogInterfaceIp6BytesIn:
- val->v.counter64 = pfs.bcounters[IPV6][IN];
+ val->v.counter64 = pfs->bcounters[IPV6][IN];
break;
case LEAF_pfLogInterfaceIp6BytesOut:
- val->v.counter64 = pfs.bcounters[IPV6][OUT];
+ val->v.counter64 = pfs->bcounters[IPV6][OUT];
break;
case LEAF_pfLogInterfaceIp6PktsInPass:
val->v.counter64 =
- pfs.pcounters[IPV6][IN][PF_PASS];
+ pfs->pcounters[IPV6][IN][PF_PASS];
break;
case LEAF_pfLogInterfaceIp6PktsInDrop:
val->v.counter64 =
- pfs.pcounters[IPV6][IN][PF_DROP];
+ pfs->pcounters[IPV6][IN][PF_DROP];
break;
case LEAF_pfLogInterfaceIp6PktsOutPass:
val->v.counter64 =
- pfs.pcounters[IPV6][OUT][PF_PASS];
+ pfs->pcounters[IPV6][OUT][PF_PASS];
break;
case LEAF_pfLogInterfaceIp6PktsOutDrop:
val->v.counter64 =
- pfs.pcounters[IPV6][OUT][PF_DROP];
+ pfs->pcounters[IPV6][OUT][PF_DROP];
break;
default:
@@ -1286,9 +1286,10 @@ pfs_refresh(void)
if (started && this_tick <= pf_tick)
return (0);
- bzero(&pfs, sizeof(struct pf_status));
+ pfctl_free_status(pfs);
+ pfs = pfctl_get_status(dev);
- if (ioctl(dev, DIOCGETSTATUS, &pfs)) {
+ if (pfs == NULL) {
syslog(LOG_ERR, "pfs_refresh(): ioctl(): %s",
strerror(errno));
return (-1);
@@ -1755,6 +1756,9 @@ pf_fini(void)
l1 = l2;
}
+ pfctl_free_status(pfs);
+ pfs = NULL;
+
close(dev);
return (0);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-15 00:27:02 +0000