| /* |
| * ICMP MIB group implementation - icmp.c |
| * |
| */ |
| |
| #include <config.h> |
| |
| #if defined(IFNET_NEEDS_KERNEL) && !defined(_KERNEL) |
| #define _KERNEL 1 |
| #define _I_DEFINED_KERNEL |
| #endif |
| #if HAVE_SYS_PARAM_H |
| #include <sys/param.h> |
| #endif |
| #if HAVE_SYS_SOCKET_H |
| #include <sys/socket.h> |
| #endif |
| |
| #if HAVE_STRING_H |
| #include <string.h> |
| #else |
| #include <strings.h> |
| #endif |
| #if HAVE_NETINET_IN_H |
| #include <netinet/in.h> |
| #endif |
| #if HAVE_SYS_SYSMP_H |
| #include <sys/sysmp.h> |
| #endif |
| #if HAVE_SYS_TCPIPSTATS_H |
| #include <sys/tcpipstats.h> |
| #endif |
| #if HAVE_NET_IF_H |
| #include <net/if.h> |
| #endif |
| #if HAVE_NET_IF_VAR_H |
| #include <net/if_var.h> |
| #endif |
| #ifdef _I_DEFINED_KERNEL |
| #undef _KERNEL |
| #endif |
| #if HAVE_NETINET_IN_SYSTM_H |
| #include <netinet/in_systm.h> |
| #endif |
| #if HAVE_NETINET_IP_H |
| #include <netinet/ip.h> |
| #endif |
| |
| #if HAVE_NETINET_IP_ICMP_H |
| #include <netinet/ip_icmp.h> |
| #endif |
| #if HAVE_NETINET_ICMP_VAR_H |
| #include <netinet/icmp_var.h> |
| #endif |
| |
| #if HAVE_SYS_SYSCTL_H |
| #include <sys/sysctl.h> |
| #endif |
| #if HAVE_INET_MIB2_H |
| #include <inet/mib2.h> |
| #endif |
| |
| #if HAVE_WINSOCK_H |
| #include <winsock.h> |
| #endif |
| #if HAVE_DMALLOC_H |
| #include <dmalloc.h> |
| #endif |
| |
| #include "tools.h" |
| #ifdef solaris2 |
| #include "kernel_sunos5.h" |
| #endif |
| #ifdef linux |
| #include "kernel_linux.h" |
| #endif |
| |
| #include "mibincl.h" |
| #include "util_funcs.h" |
| #include "system.h" |
| #include "asn1.h" |
| #include "snmp_debug.h" |
| |
| #include "auto_nlist.h" |
| |
| #ifdef hpux |
| #include <sys/mib.h> |
| #include <netinet/mib_kern.h> |
| #endif /* hpux */ |
| |
| #include "icmp.h" |
| #include "sysORTable.h" |
| |
| #ifndef MIB_STATS_CACHE_TIMEOUT |
| #define MIB_STATS_CACHE_TIMEOUT 5 |
| #endif |
| #ifndef ICMP_STATS_CACHE_TIMEOUT |
| #define ICMP_STATS_CACHE_TIMEOUT MIB_STATS_CACHE_TIMEOUT |
| #endif |
| marker_t icmp_stats_cache_marker = NULL; |
| |
| /********************* |
| * |
| * Kernel & interface information, |
| * and internal forward declarations |
| * |
| *********************/ |
| |
| |
| /********************* |
| * |
| * Initialisation & common implementation functions |
| * |
| *********************/ |
| |
| |
| /* define the structure we're going to ask the agent to register our |
| information at */ |
| struct variable2 icmp_variables[] = { |
| {ICMPINMSGS, ASN_COUNTER, RONLY, var_icmp, 1, {1}}, |
| {ICMPINERRORS, ASN_COUNTER, RONLY, var_icmp, 1, {2}}, |
| {ICMPINDESTUNREACHS, ASN_COUNTER, RONLY, var_icmp, 1, {3}}, |
| {ICMPINTIMEEXCDS, ASN_COUNTER, RONLY, var_icmp, 1, {4}}, |
| {ICMPINPARMPROBS, ASN_COUNTER, RONLY, var_icmp, 1, {5}}, |
| {ICMPINSRCQUENCHS, ASN_COUNTER, RONLY, var_icmp, 1, {6}}, |
| {ICMPINREDIRECTS, ASN_COUNTER, RONLY, var_icmp, 1, {7}}, |
| {ICMPINECHOS, ASN_COUNTER, RONLY, var_icmp, 1, {8}}, |
| {ICMPINECHOREPS, ASN_COUNTER, RONLY, var_icmp, 1, {9}}, |
| {ICMPINTIMESTAMPS, ASN_COUNTER, RONLY, var_icmp, 1, {10}}, |
| {ICMPINTIMESTAMPREPS, ASN_COUNTER, RONLY, var_icmp, 1, {11}}, |
| {ICMPINADDRMASKS, ASN_COUNTER, RONLY, var_icmp, 1, {12}}, |
| {ICMPINADDRMASKREPS, ASN_COUNTER, RONLY, var_icmp, 1, {13}}, |
| {ICMPOUTMSGS, ASN_COUNTER, RONLY, var_icmp, 1, {14}}, |
| {ICMPOUTERRORS, ASN_COUNTER, RONLY, var_icmp, 1, {15}}, |
| {ICMPOUTDESTUNREACHS, ASN_COUNTER, RONLY, var_icmp, 1, {16}}, |
| {ICMPOUTTIMEEXCDS, ASN_COUNTER, RONLY, var_icmp, 1, {17}}, |
| {ICMPOUTPARMPROBS, ASN_COUNTER, RONLY, var_icmp, 1, {18}}, |
| {ICMPOUTSRCQUENCHS, ASN_COUNTER, RONLY, var_icmp, 1, {19}}, |
| {ICMPOUTREDIRECTS, ASN_COUNTER, RONLY, var_icmp, 1, {20}}, |
| {ICMPOUTECHOS, ASN_COUNTER, RONLY, var_icmp, 1, {21}}, |
| {ICMPOUTECHOREPS, ASN_COUNTER, RONLY, var_icmp, 1, {22}}, |
| {ICMPOUTTIMESTAMPS, ASN_COUNTER, RONLY, var_icmp, 1, {23}}, |
| {ICMPOUTTIMESTAMPREPS, ASN_COUNTER, RONLY, var_icmp, 1, {24}}, |
| {ICMPOUTADDRMASKS, ASN_COUNTER, RONLY, var_icmp, 1, {25}}, |
| {ICMPOUTADDRMASKREPS, ASN_COUNTER, RONLY, var_icmp, 1, {26}} |
| }; |
| |
| /* Define the OID pointer to the top of the mib tree that we're |
| registering underneath */ |
| oid icmp_variables_oid[] = { SNMP_OID_MIB2,5 }; |
| #ifdef USING_MIBII_IP_MODULE |
| extern oid ip_module_oid[]; |
| extern int ip_module_oid_len; |
| extern int ip_module_count; |
| #endif |
| |
| void init_icmp(void) |
| { |
| /* register ourselves with the agent to handle our mib tree */ |
| REGISTER_MIB("mibII/icmp", icmp_variables, variable2, icmp_variables_oid); |
| |
| #ifdef USING_MIBII_IP_MODULE |
| if ( ++ip_module_count == 2 ) |
| REGISTER_SYSOR_TABLE( ip_module_oid, ip_module_oid_len, |
| "The MIB module for managing IP and ICMP implementations"); |
| #endif |
| |
| #ifdef ICMPSTAT_SYMBOL |
| auto_nlist( ICMPSTAT_SYMBOL,0,0 ); |
| #endif |
| } |
| |
| |
| /********************* |
| * |
| * System specific implementation functions |
| * |
| *********************/ |
| |
| #ifdef linux |
| #define ICMP_STAT_STRUCTURE struct icmp_mib |
| #define USES_SNMP_DESIGNED_ICMPSTAT |
| #undef ICMPSTAT_SYMBOL |
| #endif |
| |
| #ifdef solaris2 |
| #define ICMP_STAT_STRUCTURE mib2_icmp_t |
| #define USES_SNMP_DESIGNED_ICMPSTAT |
| #endif |
| |
| #ifdef WIN32 |
| #include <iphlpapi.h> |
| #define ICMP_STAT_STRUCTURE MIB_ICMP |
| #endif |
| |
| #ifdef HAVE_SYS_ICMPIPSTATS_H |
| #define ICMP_STAT_STRUCTURE struct kna |
| #define USES_TRADITIONAL_ICMPSTAT |
| #endif |
| |
| #if !defined(ICMP_STAT_STRUCTURE) |
| #define ICMP_STAT_STRUCTURE struct icmpstat |
| #define USES_TRADITIONAL_ICMPSTAT |
| #endif |
| |
| long read_icmp_stat (ICMP_STAT_STRUCTURE *, int); |
| |
| |
| u_char * |
| var_icmp(struct variable *vp, |
| oid *name, |
| size_t *length, |
| int exact, |
| size_t *var_len, |
| WriteMethod **write_method) |
| { |
| static ICMP_STAT_STRUCTURE icmpstat; |
| static long ret_value; |
| #ifdef USES_TRADITIONAL_ICMPSTAT |
| int i; |
| #endif |
| |
| if (header_generic(vp, name, length, exact, var_len, write_method) == MATCH_FAILED ) |
| return NULL; |
| |
| ret_value = read_icmp_stat (&icmpstat, vp->magic); |
| if ( ret_value < 0 ) |
| return NULL; |
| |
| #ifdef HAVE_SYS_TCPIPSTATS_H |
| /* This actually reads statistics for *all* the groups together, |
| so we need to isolate the ICMP-specific bits. */ |
| #ifndef NO_DOUBLE_ICMPSTAT |
| #define icmpstat icmpstat.icmpstat |
| #endif /* NO_ICMPSTATICMPSTAT */ |
| #endif |
| |
| |
| switch (vp->magic){ |
| #ifdef USES_SNMP_DESIGNED_ICMPSTAT |
| case ICMPINMSGS: return (u_char *) &icmpstat.icmpInMsgs; |
| case ICMPINERRORS: return (u_char *) &icmpstat.icmpInErrors; |
| case ICMPINDESTUNREACHS:return (u_char *) &icmpstat.icmpInDestUnreachs; |
| case ICMPINTIMEEXCDS: return (u_char *) &icmpstat.icmpInTimeExcds; |
| case ICMPINPARMPROBS: return (u_char *) &icmpstat.icmpInParmProbs; |
| case ICMPINSRCQUENCHS: return (u_char *) &icmpstat.icmpInSrcQuenchs; |
| case ICMPINREDIRECTS: return (u_char *) &icmpstat.icmpInRedirects; |
| case ICMPINECHOS: return (u_char *) &icmpstat.icmpInEchos; |
| case ICMPINECHOREPS: return (u_char *) &icmpstat.icmpInEchoReps; |
| case ICMPINTIMESTAMPS: return (u_char *) &icmpstat.icmpInTimestamps; |
| case ICMPINTIMESTAMPREPS:return (u_char *) &icmpstat.icmpInTimestampReps; |
| case ICMPINADDRMASKS: return (u_char *) &icmpstat.icmpInAddrMasks; |
| case ICMPINADDRMASKREPS:return (u_char *) &icmpstat.icmpInAddrMaskReps; |
| case ICMPOUTMSGS: return (u_char *) &icmpstat.icmpOutMsgs; |
| case ICMPOUTERRORS: return (u_char *) &icmpstat.icmpOutErrors; |
| case ICMPOUTDESTUNREACHS:return (u_char *) &icmpstat.icmpOutDestUnreachs; |
| case ICMPOUTTIMEEXCDS: return (u_char *) &icmpstat.icmpOutTimeExcds; |
| case ICMPOUTPARMPROBS: return (u_char *) &icmpstat.icmpOutParmProbs; |
| case ICMPOUTSRCQUENCHS: return (u_char *) &icmpstat.icmpOutSrcQuenchs; |
| case ICMPOUTREDIRECTS: return (u_char *) &icmpstat.icmpOutRedirects; |
| case ICMPOUTECHOS: return (u_char *) &icmpstat.icmpOutEchos; |
| case ICMPOUTECHOREPS: return (u_char *) &icmpstat.icmpOutEchoReps; |
| case ICMPOUTTIMESTAMPS: return (u_char *) &icmpstat.icmpOutTimestamps; |
| case ICMPOUTTIMESTAMPREPS:return (u_char *)&icmpstat.icmpOutTimestampReps; |
| case ICMPOUTADDRMASKS: return (u_char *) &icmpstat.icmpOutAddrMasks; |
| case ICMPOUTADDRMASKREPS:return (u_char *) &icmpstat.icmpOutAddrMaskReps; |
| #endif /* USES_SNMP_DESIGNED_ICMPSTAT */ |
| |
| #ifdef USES_TRADITIONAL_ICMPSTAT |
| |
| case ICMPINMSGS: |
| long_return = icmpstat.icps_badcode + |
| icmpstat.icps_tooshort + |
| icmpstat.icps_checksum + |
| icmpstat.icps_badlen; |
| for (i=0; i <= ICMP_MAXTYPE; i++) |
| long_return += icmpstat.icps_inhist[i]; |
| return (u_char *)&long_return; |
| case ICMPINERRORS: |
| long_return = icmpstat.icps_badcode + |
| icmpstat.icps_tooshort + |
| icmpstat.icps_checksum + |
| icmpstat.icps_badlen; |
| return (u_char *)&long_return; |
| case ICMPINDESTUNREACHS:return (u_char *) &icmpstat.icps_inhist[ICMP_UNREACH]; |
| case ICMPINTIMEEXCDS: return (u_char *) &icmpstat.icps_inhist[ICMP_TIMXCEED]; |
| case ICMPINPARMPROBS: return (u_char *) &icmpstat.icps_inhist[ICMP_PARAMPROB]; |
| case ICMPINSRCQUENCHS: return (u_char *) &icmpstat.icps_inhist[ICMP_SOURCEQUENCH]; |
| case ICMPINREDIRECTS: return (u_char *) &icmpstat.icps_inhist[ICMP_REDIRECT]; |
| case ICMPINECHOS: return (u_char *) &icmpstat.icps_inhist[ICMP_ECHO]; |
| case ICMPINECHOREPS: return (u_char *) &icmpstat.icps_inhist[ICMP_ECHOREPLY]; |
| case ICMPINTIMESTAMPS: return (u_char *) &icmpstat.icps_inhist[ICMP_TSTAMP]; |
| case ICMPINTIMESTAMPREPS:return (u_char *) &icmpstat.icps_inhist[ICMP_TSTAMPREPLY]; |
| case ICMPINADDRMASKS: return (u_char *) &icmpstat.icps_inhist[ICMP_MASKREQ]; |
| case ICMPINADDRMASKREPS:return (u_char *) &icmpstat.icps_inhist[ICMP_MASKREPLY]; |
| case ICMPOUTMSGS: |
| long_return = icmpstat.icps_oldshort + |
| icmpstat.icps_oldicmp; |
| for (i=0; i <= ICMP_MAXTYPE; i++) |
| long_return += icmpstat.icps_outhist[i]; |
| return (u_char *)&long_return; |
| case ICMPOUTERRORS: |
| long_return = icmpstat.icps_oldshort + |
| icmpstat.icps_oldicmp; |
| return (u_char *)&long_return; |
| case ICMPOUTDESTUNREACHS:return (u_char *) &icmpstat.icps_outhist[ICMP_UNREACH]; |
| case ICMPOUTTIMEEXCDS: return (u_char *) &icmpstat.icps_outhist[ICMP_TIMXCEED]; |
| case ICMPOUTPARMPROBS: return (u_char *) &icmpstat.icps_outhist[ICMP_PARAMPROB]; |
| case ICMPOUTSRCQUENCHS: return (u_char *) &icmpstat.icps_outhist[ICMP_SOURCEQUENCH]; |
| case ICMPOUTREDIRECTS: return (u_char *) &icmpstat.icps_outhist[ICMP_REDIRECT]; |
| case ICMPOUTECHOS: return (u_char *) &icmpstat.icps_outhist[ICMP_ECHO]; |
| case ICMPOUTECHOREPS: return (u_char *) &icmpstat.icps_outhist[ICMP_ECHOREPLY]; |
| case ICMPOUTTIMESTAMPS: return (u_char *) &icmpstat.icps_outhist[ICMP_TSTAMP]; |
| case ICMPOUTTIMESTAMPREPS:return (u_char *) &icmpstat.icps_outhist[ICMP_TSTAMPREPLY]; |
| case ICMPOUTADDRMASKS: return (u_char *) &icmpstat.icps_outhist[ICMP_MASKREQ]; |
| case ICMPOUTADDRMASKREPS:return (u_char *) &icmpstat.icps_outhist[ICMP_MASKREPLY]; |
| #endif /* USES_TRADITIONAL_ICMPSTAT */ |
| |
| #ifdef WIN32 |
| case ICMPINMSGS: return (u_char *) &icmpstat.stats.icmpInStats.dwMsgs; |
| case ICMPINERRORS: return (u_char *) &icmpstat.stats.icmpInStats.dwErrors; |
| case ICMPINDESTUNREACHS:return (u_char *) &icmpstat.stats.icmpInStats.dwDestUnreachs; |
| case ICMPINTIMEEXCDS: return (u_char *) &icmpstat.stats.icmpInStats.dwTimeExcds; |
| case ICMPINPARMPROBS: return (u_char *) &icmpstat.stats.icmpInStats.dwParmProbs; |
| case ICMPINSRCQUENCHS: return (u_char *) &icmpstat.stats.icmpInStats.dwSrcQuenchs; |
| case ICMPINREDIRECTS: return (u_char *) &icmpstat.stats.icmpInStats.dwRedirects; |
| case ICMPINECHOS: return (u_char *) &icmpstat.stats.icmpInStats.dwEchos; |
| case ICMPINECHOREPS: return (u_char *) &icmpstat.stats.icmpInStats.dwEchoReps; |
| case ICMPINTIMESTAMPS: return (u_char *) &icmpstat.stats.icmpInStats.dwTimestamps; |
| case ICMPINTIMESTAMPREPS:return (u_char *) &icmpstat.stats.icmpInStats.dwTimestampReps; |
| case ICMPINADDRMASKS: return (u_char *) &icmpstat.stats.icmpInStats.dwAddrMasks; |
| case ICMPINADDRMASKREPS:return (u_char *) &icmpstat.stats.icmpInStats.dwAddrMaskReps; |
| case ICMPOUTMSGS: return (u_char *) &icmpstat.stats.icmpOutStats.dwMsgs; |
| case ICMPOUTERRORS: return (u_char *) &icmpstat.stats.icmpOutStats.dwErrors; |
| case ICMPOUTDESTUNREACHS:return (u_char *) &icmpstat.stats.icmpOutStats.dwDestUnreachs; |
| case ICMPOUTTIMEEXCDS: return (u_char *) &icmpstat.stats.icmpOutStats.dwTimeExcds; |
| case ICMPOUTPARMPROBS: return (u_char *) &icmpstat.stats.icmpOutStats.dwParmProbs; |
| case ICMPOUTSRCQUENCHS: return (u_char *) &icmpstat.stats.icmpOutStats.dwSrcQuenchs; |
| case ICMPOUTREDIRECTS: return (u_char *) &icmpstat.stats.icmpOutStats.dwRedirects; |
| case ICMPOUTECHOS: return (u_char *) &icmpstat.stats.icmpOutStats.dwEchos; |
| case ICMPOUTECHOREPS: return (u_char *) &icmpstat.stats.icmpOutStats.dwEchoReps; |
| case ICMPOUTTIMESTAMPS: return (u_char *) &icmpstat.stats.icmpOutStats.dwTimestamps; |
| case ICMPOUTTIMESTAMPREPS:return (u_char *)&icmpstat.stats.icmpOutStats.dwTimestampReps; |
| case ICMPOUTADDRMASKS: return (u_char *) &icmpstat.stats.icmpOutStats.dwAddrMasks; |
| case ICMPOUTADDRMASKREPS:return (u_char *) &icmpstat.stats.icmpOutStats.dwAddrMaskReps; |
| #endif /* WIN32 */ |
| |
| default: |
| DEBUGMSGTL(("snmpd", "unknown sub-id %d in var_icmp\n", vp->magic)); |
| } |
| |
| return NULL; |
| } |
| |
| |
| /********************* |
| * |
| * Internal implementation functions |
| * |
| *********************/ |
| |
| long |
| read_icmp_stat( ICMP_STAT_STRUCTURE *icmpstat, int magic ) |
| { |
| long ret_value = -1; |
| #if (defined(CAN_USE_SYSCTL) && defined(ICMPCTL_STATS)) |
| static int sname[4] = { CTL_NET, PF_INET, IPPROTO_ICMP, ICMPCTL_STATS }; |
| size_t len = sizeof( *icmpstat ); |
| #endif |
| |
| if ( icmp_stats_cache_marker && |
| (!atime_ready(icmp_stats_cache_marker, ICMP_STATS_CACHE_TIMEOUT*1000))) |
| return 0; |
| |
| if (icmp_stats_cache_marker ) |
| atime_setMarker( icmp_stats_cache_marker ); |
| else |
| icmp_stats_cache_marker = atime_newMarker(); |
| |
| |
| #ifdef linux |
| ret_value = linux_read_icmp_stat(icmpstat); |
| #endif |
| |
| #ifdef solaris2 |
| ret_value = getMibstat(MIB_ICMP, icmpstat, sizeof(mib2_icmp_t), GET_FIRST, &Get_everything, NULL); |
| #endif |
| |
| #ifdef WIN32 |
| ret_value = GetIcmpStatistics(icmpstat); |
| #endif |
| |
| #ifdef HAVE_SYS_TCPIPSTATS_H |
| ret_value = sysmp (MP_SAGET, MPSA_TCPIPSTATS, icmpstat, sizeof *icmpstat); |
| #endif |
| |
| #if defined(CAN_USE_SYSCTL) && defined(ICMPCTL_STATS) |
| ret_value = sysctl(sname, 4, icmpstat, &len, 0, 0); |
| #endif |
| |
| #ifdef ICMPSTAT_SYMBOL |
| if (auto_nlist(ICMPSTAT_SYMBOL, (char *)icmpstat, sizeof (*icmpstat))) |
| ret_value = 0; |
| #endif |
| |
| if ( ret_value == -1 ) { |
| free( icmp_stats_cache_marker ); |
| icmp_stats_cache_marker = NULL; |
| } |
| return ret_value; |
| } |
