int
udpTable_load(netsnmp_cache *cache, void *vmagic)
{
size_t len;
int sname[] = { CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_PCBLIST };
char *udpcb_buf = NULL;
struct xinpgen *xig = NULL;
UDPTABLE_ENTRY_TYPE *nnew;
udpTable_free(NULL, NULL);
/*
* Read in the buffer containing the UDP table data
*/
len = 0;
if (sysctl(sname, 4, 0, &len, 0, 0) < 0 ||
(udpcb_buf = malloc(len)) == NULL)
return -1;
if (sysctl(sname, 4, udpcb_buf, &len, 0, 0) < 0) {
free(udpcb_buf);
return -1;
}
/*
* Unpick this into the constituent 'xinpgen' structures, and extract
* the 'inpcb' elements into a linked list (built in reverse)
*/
xig = (struct xinpgen *) udpcb_buf;
xig = (struct xinpgen *) ((char *) xig + xig->xig_len);
while (xig && (xig->xig_len > sizeof(struct xinpgen))) {
nnew = SNMP_MALLOC_TYPEDEF(UDPTABLE_ENTRY_TYPE);
if (!nnew)
break;
#if defined(freebsd4) || defined(darwin)
memcpy(nnew, &((struct xinpcb *) xig)->xi_inp, sizeof(struct inpcb));
nnew->inp_next = udp_head;
#else
memcpy(nnew, ((struct xinpcb *) xig)->xi_inp, sizeof(struct inpcb));
nnew->next = udp_head; /* XXX - ?? Check 'next' pointer */
#endif
udp_head = nnew;
xig = (struct xinpgen *) ((char *) xig + xig->xig_len);
}
free(udpcb_buf);
if (udp_head) {
DEBUGMSGTL(("mibII/udpTable", "Loaded UDP Table\n"));
return 0;
}
DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (sysctl)\n"));
return -1;
}
int
udpTable_load(netsnmp_cache *cache, void *vmagic)
{
mib2_udpEntry_t entry;
netsnmp_udpEntry *nnew;
netsnmp_udpEntry *prev_entry = NULL;
udpTable_free(NULL, NULL);
if (getMibstat(MIB_UDP_LISTEN, &entry, sizeof(mib2_udpEntry_t),
GET_FIRST, &UDP_Cmp, &entry) != 0) {
DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (solaris)\n"));
return -1;
}
while (1) {
/*
* Not interested in 'idle' entries, apparently....
*/
DEBUGMSGTL(("mibII/udpTable", "UDP Entry %x:%d (%d)\n",
entry.udpLocalAddress, entry.udpLocalPort, entry.udpEntryInfo.ue_state));
if (entry.udpEntryInfo.ue_state == MIB2_UDP_idle) {
/*
* Build up a linked list copy of the getMibstat results
* Note that since getMibstat returns rows in sorted order,
* we need to retain this order while building the list
* so new entries are added onto the end of the list.
* xxx-rks: WARNING: this is NOT TRUE on the sf cf solaris boxes.
*/
nnew = SNMP_MALLOC_TYPEDEF(netsnmp_udpEntry);
if (nnew == NULL)
break;
memcpy(&(nnew->entry), &entry, sizeof(mib2_udpEntry_t));
if (!prev_entry)
udp_head = nnew;
else
prev_entry->inp_next = nnew;
prev_entry = nnew;
}
if (getMibstat(MIB_UDP_LISTEN, &entry, sizeof(mib2_udpEntry_t),
GET_NEXT, &UDP_Cmp, &entry) != 0)
break;
}
if (udp_head) {
DEBUGMSGTL(("mibII/udpTable", "Loaded UDP Table\n"));
return 0;
}
DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (solaris)\n"));
return -1;
}
int
udpTable_load(netsnmp_cache *cache, void *vmagic)
{
FILE *in;
char line[256];
udpTable_free(cache, NULL);
if (!(in = fopen("/proc/net/udp", "r"))) {
DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (linux)\n"));
snmp_log(LOG_ERR, "snmpd: cannot open /proc/net/udp ...\n");
return -1;
}
/*
* scan proc-file and build up a linked list
* This will actually be built up in reverse,
* but since the entries are unsorted, that doesn't matter.
*/
while (line == fgets(line, sizeof(line), in)) {
struct inpcb pcb, *nnew;
unsigned int state, lport;
if (3 != sscanf(line, "%*d: %x:%x %*x:%*x %x",
&pcb.inp_laddr.s_addr, &lport, &state))
continue;
if (state != 7) /* fix me: UDP_LISTEN ??? */
continue;
/* store in network byte order */
pcb.inp_laddr.s_addr = htonl(pcb.inp_laddr.s_addr);
pcb.inp_lport = htons((unsigned short) (lport));
nnew = SNMP_MALLOC_TYPEDEF(struct inpcb);
if (nnew == NULL)
break;
memcpy(nnew, &pcb, sizeof(struct inpcb));
nnew->inp_next = udp_head;
udp_head = nnew;
}
fclose(in);
DEBUGMSGTL(("mibII/udpTable", "Loaded UDP Table\n"));
return 0;
}
int
udpTable_load(netsnmp_cache *cache, void *vmagic)
{
struct inpcb udp_inpcb;
struct inpcb *nnew, *entry;
udpTable_free(NULL, NULL);
if (!auto_nlist(UDB_SYMBOL, (char *) &udp_inpcb, sizeof(udp_inpcb))) {
DEBUGMSGTL(("mibII/udpTable", "Failed to read udb_symbol\n"));
return -1;
}
/*
* Set up a linked list
*/
entry = udp_inpcb.INP_NEXT_SYMBOL;
while (entry) {
nnew = SNMP_MALLOC_TYPEDEF(struct inpcb);
if (!nnew)
break;
if (!NETSNMP_KLOOKUP(entry, (char *) nnew, sizeof(struct inpcb))) {
DEBUGMSGTL(("mibII/udpTable:udpTable_load", "klookup failed\n"));
break;
}
entry = nnew->INP_NEXT_SYMBOL; /* Next kernel entry */
nnew->INP_NEXT_SYMBOL = udp_head;
udp_head = nnew;
if (entry == udp_inpcb.INP_NEXT_SYMBOL)
break;
}
if (udp_head) {
DEBUGMSGTL(("mibII/udpTable", "Loaded UDP Table\n"));
return 0;
}
DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (udb_symbol)\n"));
return -1;
}
int
udpTable_load(netsnmp_cache *cache, void *vmagic)
{
struct inpcbtable table;
struct inpcb *nnew, *entry;
udpTable_free(NULL, NULL);
if (!auto_nlist(UDB_SYMBOL, (char *) &table, sizeof(table))) {
DEBUGMSGTL(("mibII/udpTable", "Failed to read inpcbtable\n"));
return -1;
}
/*
* Set up a linked list
*/
entry = table.inpt_queue.cqh_first;
while (entry) {
nnew = SNMP_MALLOC_TYPEDEF(struct inpcb);
if (!nnew)
break;
if (!NETSNMP_KLOOKUP(entry, (char *) nnew, sizeof(struct inpcb))) {
DEBUGMSGTL(("mibII/udpTable:udpTable_load", "klookup failed\n"));
break;
}
entry = nnew->inp_queue.cqe_next; /* Next kernel entry */
nnew->inp_queue.cqe_next = udp_head;
udp_head = nnew;
if (entry == table.inpt_queue.cqh_first)
break;
}
if (udp_head) {
DEBUGMSGTL(("mibII/udpTable", "Loaded UDP Table\n"));
return 0;
}
DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (pcb_table)\n"));
return -1;
}
int
udpTable_load(netsnmp_cache *cache, void *vmagic)
{
int fd;
struct nmparms p;
int val = 0;
unsigned int ulen;
int ret;
udpTable_free(NULL, NULL);
if ((fd = open_mib("/dev/ip", O_RDONLY, 0, NM_ASYNC_OFF)) >= 0) {
p.objid = ID_udpLsnNumEnt;
p.buffer = (void *) &val;
ulen = sizeof(int);
p.len = &ulen;
if ((ret = get_mib_info(fd, &p)) == 0)
udp_size = val;
if (udp_size > 0) {
ulen = (unsigned) udp_size *sizeof(mib_udpLsnEnt);
udp_head = (mib_udpLsnEnt *) malloc(ulen);
p.objid = ID_udpLsnTable;
p.buffer = (void *) udp_head;
p.len = &ulen;
if ((ret = get_mib_info(fd, &p)) < 0) {
udp_size = 0;
}
}
close_mib(fd);
}
if (udp_size > 0) {
DEBUGMSGTL(("mibII/udpTable", "Loaded UDP Table\n"));
return 0;
}
DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (hpux11)\n"));
return -1;
}
