| /* |
| * UDP MIB group Table implementation - udpTable.c |
| * |
| */ |
| |
| /* Portions of this file are subject to the following copyright(s). See |
| * the Net-SNMP's COPYING file for more details and other copyrights |
| * that may apply: |
| */ |
| /* |
| * Portions of this file are copyrighted by: |
| * Copyright © 2003 Sun Microsystems, Inc. All rights reserved. |
| * Use is subject to license terms specified in the COPYING file |
| * distributed with the Net-SNMP package. |
| */ |
| |
| #include <net-snmp/net-snmp-config.h> |
| #include "mibII_common.h" |
| |
| #if HAVE_NETINET_UDP_H |
| #include <netinet/udp.h> |
| #endif |
| #if HAVE_NETINET_UDP_VAR_H |
| #include <netinet/udp_var.h> |
| #endif |
| |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| #include <net-snmp/agent/auto_nlist.h> |
| |
| #ifdef linux |
| #include "tcpTable.h" |
| #endif |
| #include "udp.h" |
| #include "udpTable.h" |
| |
| #ifdef hpux11 |
| #define UDPTABLE_ENTRY_TYPE mib_udpLsnEnt |
| #define UDPTABLE_LOCALADDRESS LocalAddress |
| #define UDPTABLE_LOCALPORT LocalPort |
| #define UDPTABLE_IS_TABLE |
| #else |
| |
| #ifdef solaris2 |
| typedef struct netsnmp_udpEntry_s netsnmp_udpEntry; |
| struct netsnmp_udpEntry_s { |
| mib2_udpEntry_t entry; |
| netsnmp_udpEntry *inp_next; |
| }; |
| #define UDPTABLE_ENTRY_TYPE netsnmp_udpEntry |
| #define UDPTABLE_LOCALADDRESS entry.udpLocalAddress |
| #define UDPTABLE_LOCALPORT entry.udpLocalPort |
| #define UDPTABLE_IS_LINKED_LIST |
| #else |
| |
| #ifdef HAVE_IPHLPAPI_H |
| #include <iphlpapi.h> |
| #define UDPTABLE_ENTRY_TYPE MIB_UDPROW /* ??? */ |
| #define UDPTABLE_LOCALADDRESS dwLocalAddr |
| #define UDPTABLE_LOCALPORT dwLocalPort |
| #define UDPTABLE_IS_TABLE |
| #else /* everything else */ |
| |
| #ifdef linux |
| #define INP_NEXT_SYMBOL inp_next |
| #endif |
| #ifdef openbsd4 |
| #define INP_NEXT_SYMBOL inp_queue.cqe_next /* or set via <net-snmp/system/openbsd.h> */ |
| #endif |
| |
| #if defined(freebsd4) || defined(darwin) || defined(osf5) |
| typedef struct netsnmp_inpcb_s netsnmp_inpcb; |
| struct netsnmp_inpcb_s { |
| struct inpcb pcb; |
| int state; |
| netsnmp_inpcb *inp_next; |
| }; |
| #define UDPTABLE_ENTRY_TYPE netsnmp_inpcb |
| #define UDPTABLE_LOCALADDRESS pcb.inp_laddr.s_addr |
| #define UDPTABLE_LOCALPORT pcb.inp_lport |
| #else |
| #define UDPTABLE_ENTRY_TYPE struct inpcb |
| #define UDPTABLE_LOCALADDRESS inp_laddr.s_addr |
| #define UDPTABLE_LOCALPORT inp_lport |
| #endif |
| #define UDPTABLE_IS_LINKED_LIST |
| |
| #endif /* WIN32 cygwin */ |
| #endif /* solaris2 */ |
| #endif /* hpux11 */ |
| |
| /* Head of linked list, or root of table */ |
| UDPTABLE_ENTRY_TYPE *udp_head = NULL; |
| int udp_size = 0; /* Only used for table-based systems */ |
| |
| |
| /* |
| * |
| * Initialization and handler routines are common to all architectures |
| * |
| */ |
| #ifndef MIB_STATS_CACHE_TIMEOUT |
| #define MIB_STATS_CACHE_TIMEOUT 5 |
| #endif |
| #ifndef UDP_STATS_CACHE_TIMEOUT |
| #define UDP_STATS_CACHE_TIMEOUT MIB_STATS_CACHE_TIMEOUT |
| #endif |
| |
| #ifdef UDP_ADDRESSES_IN_HOST_ORDER |
| #define UDP_ADDRESS_TO_HOST_ORDER(x) x |
| #define UDP_ADDRESS_TO_NETWORK_ORDER(x) htonl(x) |
| #else |
| #define UDP_ADDRESS_TO_HOST_ORDER(x) ntohl(x) |
| #define UDP_ADDRESS_TO_NETWORK_ORDER(x) x |
| #endif |
| |
| #ifdef UDP_PORTS_IN_HOST_ORDER |
| #define UDP_PORT_TO_HOST_ORDER(x) x |
| #else |
| #define UDP_PORT_TO_HOST_ORDER(x) ntohs(x) |
| #endif |
| |
| |
| oid udpTable_oid[] = { SNMP_OID_MIB2, 7, 5 }; |
| |
| void |
| init_udpTable(void) |
| { |
| netsnmp_table_registration_info *table_info; |
| netsnmp_iterator_info *iinfo; |
| netsnmp_handler_registration *reginfo; |
| int rc; |
| |
| DEBUGMSGTL(("mibII/udpTable", "Initialising UDP Table\n")); |
| /* |
| * Create the table data structure, and define the indexing.... |
| */ |
| table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info); |
| if (!table_info) { |
| return; |
| } |
| netsnmp_table_helper_add_indexes(table_info, ASN_IPADDRESS, |
| ASN_INTEGER, 0); |
| table_info->min_column = UDPLOCALADDRESS; |
| table_info->max_column = UDPLOCALPORT; |
| |
| |
| /* |
| * .... and iteration information .... |
| */ |
| iinfo = SNMP_MALLOC_TYPEDEF(netsnmp_iterator_info); |
| if (!iinfo) { |
| netsnmp_table_registration_info_free(table_info); |
| return; |
| } |
| iinfo->get_first_data_point = udpTable_first_entry; |
| iinfo->get_next_data_point = udpTable_next_entry; |
| iinfo->table_reginfo = table_info; |
| #if defined (WIN32) || defined (cygwin) |
| iinfo->flags |= NETSNMP_ITERATOR_FLAG_SORTED; |
| #endif /* WIN32 || cygwin */ |
| |
| |
| /* |
| * .... and register the table with the agent. |
| */ |
| reginfo = netsnmp_create_handler_registration("udpTable", |
| udpTable_handler, |
| udpTable_oid, OID_LENGTH(udpTable_oid), |
| HANDLER_CAN_RONLY), |
| rc = netsnmp_register_table_iterator2(reginfo, iinfo); |
| if (rc != SNMPERR_SUCCESS) |
| return; |
| |
| /* |
| * .... with a local cache |
| */ |
| netsnmp_inject_handler( reginfo, |
| netsnmp_get_cache_handler(UDP_STATS_CACHE_TIMEOUT, |
| udpTable_load, udpTable_free, |
| udpTable_oid, OID_LENGTH(udpTable_oid))); |
| } |
| |
| |
| |
| int |
| udpTable_handler(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| netsnmp_request_info *request; |
| netsnmp_variable_list *requestvb; |
| netsnmp_table_request_info *table_info; |
| UDPTABLE_ENTRY_TYPE *entry; |
| oid subid; |
| long port; |
| in_addr_t addr; |
| |
| DEBUGMSGTL(("mibII/udpTable", "Handler - mode %s\n", |
| se_find_label_in_slist("agent_mode", reqinfo->mode))); |
| switch (reqinfo->mode) { |
| case MODE_GET: |
| for (request=requests; request; request=request->next) { |
| requestvb = request->requestvb; |
| DEBUGMSGTL(( "mibII/udpTable", "oid: ")); |
| DEBUGMSGOID(("mibII/udpTable", requestvb->name, |
| requestvb->name_length)); |
| DEBUGMSG(( "mibII/udpTable", "\n")); |
| |
| entry = (UDPTABLE_ENTRY_TYPE *)netsnmp_extract_iterator_context(request); |
| if (!entry) |
| continue; |
| table_info = netsnmp_extract_table_info(request); |
| subid = table_info->colnum; |
| |
| switch (subid) { |
| case UDPLOCALADDRESS: |
| #if defined(osf5) && defined(IN6_EXTRACT_V4ADDR) |
| addr = ntohl(IN6_EXTRACT_V4ADDR(&entry->pcb.inp_laddr)); |
| snmp_set_var_typed_value(requestvb, ASN_IPADDRESS, |
| (u_char*)&addr, |
| sizeof(uint32_t)); |
| #else |
| addr = UDP_ADDRESS_TO_HOST_ORDER(entry->UDPTABLE_LOCALADDRESS); |
| snmp_set_var_typed_value(requestvb, ASN_IPADDRESS, |
| (u_char *)&addr, |
| sizeof(uint32_t)); |
| #endif |
| break; |
| case UDPLOCALPORT: |
| port = UDP_PORT_TO_HOST_ORDER((u_short)entry->UDPTABLE_LOCALPORT); |
| snmp_set_var_typed_value(requestvb, ASN_INTEGER, |
| (u_char *)&port, sizeof(port)); |
| break; |
| } |
| } |
| break; |
| |
| case MODE_GETNEXT: |
| case MODE_GETBULK: |
| #ifndef NETSNMP_NO_WRITE_SUPPORT |
| case MODE_SET_RESERVE1: |
| case MODE_SET_RESERVE2: |
| case MODE_SET_ACTION: |
| case MODE_SET_COMMIT: |
| case MODE_SET_FREE: |
| case MODE_SET_UNDO: |
| #endif /* !NETSNMP_NO_WRITE_SUPPORT */ |
| snmp_log(LOG_WARNING, "mibII/udpTable: Unsupported mode (%d)\n", |
| reqinfo->mode); |
| break; |
| default: |
| snmp_log(LOG_WARNING, "mibII/udpTable: Unrecognised mode (%d)\n", |
| reqinfo->mode); |
| break; |
| } |
| |
| return SNMP_ERR_NOERROR; |
| } |
| |
| /* |
| * Two forms of iteration hook routines: |
| * One for when the UDP table is stored as a table |
| * One for when the UDP table is stored as a linked list |
| * |
| * Also applies to the cache-handler free routine |
| */ |
| |
| #ifdef UDPTABLE_IS_TABLE |
| netsnmp_variable_list * |
| udpTable_first_entry(void **loop_context, |
| void **data_context, |
| netsnmp_variable_list *index, |
| netsnmp_iterator_info *data) |
| { |
| /* |
| * XXX - How can we tell if the cache is valid? |
| * No access to 'reqinfo' |
| */ |
| if (udp_size == 0) |
| return NULL; |
| |
| /* |
| * Point to the first entry, and use the |
| * 'next_entry' hook to retrieve this row |
| */ |
| *loop_context = 0; |
| return udpTable_next_entry( loop_context, data_context, index, data ); |
| } |
| |
| netsnmp_variable_list * |
| udpTable_next_entry( void **loop_context, |
| void **data_context, |
| netsnmp_variable_list *index, |
| netsnmp_iterator_info *data) |
| { |
| int i = (int)*loop_context; |
| long port; |
| |
| if (udp_size < i) |
| return NULL; |
| |
| /* |
| * Set up the indexing for the specified row... |
| */ |
| #if defined (WIN32) || defined (cygwin) |
| port = ntohl((u_long)udp_head[i].UDPTABLE_LOCALADDRESS); |
| snmp_set_var_value(index, (u_char *)&port, |
| sizeof(udp_head[i].UDPTABLE_LOCALADDRESS)); |
| #else |
| snmp_set_var_value(index, (u_char *)&udp_head[i].UDPTABLE_LOCALADDRESS, |
| sizeof(udp_head[i].UDPTABLE_LOCALADDRESS)); |
| #endif |
| port = UDP_PORT_TO_HOST_ORDER((u_short)udp_head[i].UDPTABLE_LOCALPORT); |
| snmp_set_var_value(index->next_variable, |
| (u_char*)&port, sizeof(port)); |
| /* |
| * ... return the data structure for this row, |
| * and update the loop context ready for the next one. |
| */ |
| *data_context = (void*)&udp_head[i]; |
| *loop_context = (void*)++i; |
| return index; |
| } |
| |
| void |
| udpTable_free(netsnmp_cache *cache, void *magic) |
| { |
| #if defined (WIN32) || defined (cygwin) |
| if (udp_head) { |
| /* the allocated structure is a count followed by table entries */ |
| free((char *)(udp_head) - sizeof(DWORD)); |
| } |
| #else |
| if (udp_head) |
| free(udp_head); |
| #endif |
| udp_head = NULL; |
| udp_size = 0; |
| } |
| #else |
| #ifdef UDPTABLE_IS_LINKED_LIST |
| netsnmp_variable_list * |
| udpTable_first_entry(void **loop_context, |
| void **data_context, |
| netsnmp_variable_list *index, |
| netsnmp_iterator_info *data) |
| { |
| /* |
| * XXX - How can we tell if the cache is valid? |
| * No access to 'reqinfo' |
| */ |
| if (udp_head == NULL) |
| return NULL; |
| |
| /* |
| * Point to the first entry, and use the |
| * 'next_entry' hook to retrieve this row |
| */ |
| *loop_context = (void*)udp_head; |
| return udpTable_next_entry( loop_context, data_context, index, data ); |
| } |
| |
| netsnmp_variable_list * |
| udpTable_next_entry( void **loop_context, |
| void **data_context, |
| netsnmp_variable_list *index, |
| netsnmp_iterator_info *data) |
| { |
| UDPTABLE_ENTRY_TYPE *entry = (UDPTABLE_ENTRY_TYPE *)*loop_context; |
| long port; |
| long addr; |
| |
| if (!entry) |
| return NULL; |
| |
| /* |
| * Set up the indexing for the specified row... |
| */ |
| #if defined(osf5) && defined(IN6_EXTRACT_V4ADDR) |
| snmp_set_var_value(index, |
| (u_char*)&IN6_EXTRACT_V4ADDR(&entry->pcb.inp_laddr), |
| sizeof(IN6_EXTRACT_V4ADDR(&entry->pcb.inp_laddr))); |
| #else |
| addr = UDP_ADDRESS_TO_NETWORK_ORDER((in_addr_t)entry->UDPTABLE_LOCALADDRESS); |
| snmp_set_var_value(index, (u_char *)&addr, |
| sizeof(addr)); |
| #endif |
| port = UDP_PORT_TO_HOST_ORDER(entry->UDPTABLE_LOCALPORT); |
| snmp_set_var_value(index->next_variable, |
| (u_char*)&port, sizeof(port)); |
| |
| /* |
| * ... return the data structure for this row, |
| * and update the loop context ready for the next one. |
| */ |
| *data_context = (void*)entry; |
| *loop_context = (void*)entry->INP_NEXT_SYMBOL; |
| return index; |
| } |
| |
| void |
| udpTable_free(netsnmp_cache *cache, void *magic) |
| { |
| UDPTABLE_ENTRY_TYPE *p; |
| while (udp_head) { |
| p = udp_head; |
| udp_head = udp_head->INP_NEXT_SYMBOL; |
| free(p); |
| } |
| |
| udp_head = NULL; |
| } |
| #endif /* UDPTABLE_IS_LINKED_LIST */ |
| #endif /* UDPTABLE_IS_TABLE */ |
| |
| |
| /* |
| * |
| * The cache-handler loading routine is the main |
| * place for architecture-specific code |
| * |
| * Load into either a table structure, or a linked list |
| * depending on the system architecture |
| */ |
| |
| |
| #ifdef hpux11 |
| 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 (hpux11)\n")); |
| return 0; |
| } |
| DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (hpux11)\n")); |
| return -1; |
| } |
| #else /* hpux11 */ |
| |
| #ifdef linux |
| 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")); |
| NETSNMP_LOGONCE((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; |
| |
| memset(&pcb, 0, sizeof(pcb)); |
| |
| 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 (linux)\n")); |
| return 0; |
| } |
| #else /* linux */ |
| |
| #ifdef solaris2 |
| static int |
| UDP_Cmp(void *addr, void *ep) |
| { |
| if (memcmp((mib2_udpEntry_t *) ep, (mib2_udpEntry_t *) addr, |
| sizeof(mib2_udpEntry_t)) == 0) |
| return (0); |
| else |
| 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 (solaris)\n")); |
| return 0; |
| } |
| DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (solaris)\n")); |
| return -1; |
| } |
| #else /* solaris2 */ |
| |
| #if defined (WIN32) || defined (cygwin) |
| int |
| udpTable_load(netsnmp_cache *cache, void *vmagic) |
| { |
| PMIB_UDPTABLE pUdpTable = NULL; |
| DWORD dwActualSize = 0; |
| DWORD status = NO_ERROR; |
| |
| /* |
| * query for the buffer size needed |
| */ |
| status = GetUdpTable(pUdpTable, &dwActualSize, TRUE); |
| if (status == ERROR_INSUFFICIENT_BUFFER) { |
| pUdpTable = (PMIB_UDPTABLE) malloc(dwActualSize); |
| if (pUdpTable != NULL) { |
| /* |
| * Get the sorted UDP table |
| */ |
| status = GetUdpTable(pUdpTable, &dwActualSize, TRUE); |
| } |
| } |
| if (status == NO_ERROR) { |
| DEBUGMSGTL(("mibII/udpTable", "Loaded UDP Table (win32)\n")); |
| udp_size = pUdpTable->dwNumEntries -1; /* entries are counted starting with 0 */ |
| udp_head = pUdpTable->table; |
| return 0; |
| } |
| DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (win32)\n")); |
| if (pUdpTable) |
| free(pUdpTable); |
| return -1; |
| } |
| #else /* WIN32 cygwin*/ |
| |
| #if (defined(NETSNMP_CAN_USE_SYSCTL) && defined(UDPCTL_PCBLIST)) |
| 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; |
| #if defined(dragonfly) |
| struct xinpcb *xig = NULL; |
| #else |
| struct xinpgen *xig = NULL; |
| #endif |
| 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) |
| */ |
| #if defined(dragonfly) |
| xig = (struct xinpcb *) udpcb_buf; |
| #else |
| xig = (struct xinpgen *) udpcb_buf; |
| xig = (struct xinpgen *) ((char *) xig + xig->xig_len); |
| #endif |
| |
| #if defined(dragonfly) |
| while (xig && ((char *)xig + xig->xi_len < udpcb_buf + len)) |
| #else |
| while (xig && (xig->xig_len > sizeof(struct xinpgen))) |
| #endif |
| { |
| nnew = SNMP_MALLOC_TYPEDEF(UDPTABLE_ENTRY_TYPE); |
| if (!nnew) |
| break; |
| memcpy(&nnew->pcb, &((struct xinpcb *) xig)->xi_inp, sizeof(struct inpcb)); |
| nnew->inp_next = udp_head; |
| udp_head = nnew; |
| #if defined(dragonfly) |
| xig = (struct xinpcb *) ((char *) xig + xig->xi_len); |
| #else |
| xig = (struct xinpgen *) ((char *) xig + xig->xig_len); |
| #endif |
| } |
| |
| free(udpcb_buf); |
| if (udp_head) { |
| DEBUGMSGTL(("mibII/udpTable", "Loaded UDP Table (sysctl)\n")); |
| return 0; |
| } |
| DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (sysctl)\n")); |
| return -1; |
| } |
| #else /* (defined(NETSNMP_CAN_USE_SYSCTL) && defined(UDPCTL_PCBLIST)) */ |
| #ifdef PCB_TABLE |
| 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 (pcb_table)\n")); |
| return 0; |
| } |
| DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (pcb_table)\n")); |
| return -1; |
| } |
| |
| #else /* PCB_TABLE */ |
| #ifdef UDB_SYMBOL |
| 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 (udb_symbol)\n")); |
| return 0; |
| } |
| DEBUGMSGTL(("mibII/udpTable", "Failed to load UDP Table (udb_symbol)\n")); |
| return -1; |
| } |
| |
| #else /* UDB_SYMBOL */ |
| int |
| udpTable_load(netsnmp_cache *cache, void *vmagic) |
| { |
| DEBUGMSGTL(("mibII/udpTable", "Loading UDP Table not implemented\n")); |
| return -1; |
| } |
| #endif /* UDB_SYMBOL */ |
| #endif /* PCB_TABLE */ |
| #endif /* (defined(NETSNMP_CAN_USE_SYSCTL) && defined(UDPCTL_PCBLIST)) */ |
| #endif /* WIN32 cygwin*/ |
| #endif /* linux */ |
| #endif /* solaris2 */ |
| #endif /* hpux11 */ |
