/* * ICMP MIB group implementation - icmp.c * */ #include "mib_module_config.h" #include #if defined(IFNET_NEEDS_KERNEL) && !defined(_KERNEL) #define _KERNEL 1 #define _I_DEFINED_KERNEL #endif #include #include #include #if STDC_HEADERS #include #include #else #if HAVE_STDLIB_H #include #endif #endif #if HAVE_NETINET_IN_H #include #endif #if HAVE_SYS_SYSMP_H #include #endif #if HAVE_SYS_TCPIPSTATS_H #include #endif #include #if HAVE_NET_IF_VAR_H #include #endif #ifdef _I_DEFINED_KERNEL #undef _KERNEL #endif #include #include #include #if HAVE_NETINET_ICMP_VAR_H #include #endif #if HAVE_SYS_SYSCTL_H #include #endif #if HAVE_INET_MIB2_H #include #endif #ifdef solaris2 #include "kernel_sunos5.h" #endif #include "../../snmplib/system.h" #include "mibincl.h" #include "auto_nlist.h" #ifdef hpux #include #include #endif /* hpux */ /* #include "../common_header.h" */ #include "icmp.h" /********************* * * Kernel & interface information, * and internal forward declarations * *********************/ #ifdef linux static void linux_read_icmp_stat __P((struct icmp_mib *)); #endif extern int header_icmp __P((struct variable *, oid *, int *, int, int *, int (**write) __P((int, u_char *, u_char, int, u_char*, oid *, int)) )); /********************* * * Initialisation & common implementation functions * *********************/ void init_icmp( ) { #ifdef ICMPSTAT_SYMBOL auto_nlist( ICMPSTAT_SYMBOL,0,0 ); #endif } #define MATCH_FAILED 1 #define MATCH_SUCCEEDED 0 int header_icmp(vp, name, length, exact, var_len, write_method) register struct variable *vp; /* IN - pointer to variable entry that points here */ oid *name; /* IN/OUT - input name requested, output name found */ int *length; /* IN/OUT - length of input and output oid's */ int exact; /* IN - TRUE if an exact match was requested. */ int *var_len; /* OUT - length of variable or 0 if function returned. */ int (**write_method) __P((int, u_char *, u_char, int, u_char *, oid *, int)); { #define ICMP_NAME_LENGTH 8 oid newname[MAX_NAME_LEN]; int result; char c_oid[MAX_NAME_LEN]; if (snmp_get_do_debugging()) { sprint_objid (c_oid, name, *length); DEBUGP ("var_icmp: %s %d\n", c_oid, exact); } memcpy( (char *)newname,(char *)vp->name, (int)vp->namelen * sizeof(oid)); newname[ICMP_NAME_LENGTH] = 0; result = compare(name, *length, newname, (int)vp->namelen + 1); if ((exact && (result != 0)) || (!exact && (result >= 0))) return(MATCH_FAILED); memcpy( (char *)name,(char *)newname, ((int)vp->namelen + 1) * sizeof(oid)); *length = vp->namelen + 1; *write_method = 0; *var_len = sizeof(long); /* default to 'long' results */ return(MATCH_SUCCEEDED); } /********************* * * System specific implementation functions * *********************/ #ifndef solaris2 #ifndef linux #ifdef HAVE_SYS_TCPIPSTATS_H u_char * var_icmp(vp, name, length, exact, var_len, write_method) register struct variable *vp; oid *name; int *length; int exact; int *var_len; int (**write_method) __P((int, u_char *, u_char, int, u_char *, oid *, int)); { register int i; static struct icmpstat icmpstat; static struct kna tcpipstats; if (header_icmp(vp, name, length, exact, var_len, write_method) == MATCH_FAILED ) return NULL; /* * Get the ICMP statistics from the kernel... */ if (sysmp (MP_SAGET, MPSA_TCPIPSTATS, &tcpipstats, sizeof tcpipstats) == -1) { perror ("sysmp(MP_SAGET)(MPSA_TCPIPSTATS)"); } #define icmpstat tcpipstats.icmpstat switch (vp->magic){ 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]; default: ERROR_MSG(""); } return NULL; } #else /* not HAVE_SYS_TCPIPSTATS_H */ u_char * var_icmp(vp, name, length, exact, var_len, write_method) register struct variable *vp; oid *name; int *length; int exact; int *var_len; int (**write_method) __P((int, u_char *, u_char, int, u_char *, oid *, int)); { register int i; static struct icmpstat icmpstat; if (header_icmp(vp, name, length, exact, var_len, write_method) == MATCH_FAILED ) return NULL; /* * Get the ICMP statistics from the kernel... */ #if !defined(CAN_USE_SYSCTL) || !defined(ICMPCTL_STATS) auto_nlist(ICMPSTAT_SYMBOL, (char *)&icmpstat, sizeof (icmpstat)); #else { int sname[] = { CTL_NET, PF_INET, IPPROTO_ICMP, ICMPCTL_STATS }; size_t len; len = sizeof icmpstat; if (sysctl(sname, 4, &icmpstat, &len, 0, 0) < 0) return NULL; } #endif /* use sysctl */ switch (vp->magic) { 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]; default: ERROR_MSG(""); } return NULL; } #endif /* not HAVE_SYS_TCPIPSTATS_H */ #else /* linux */ u_char * var_icmp(vp, name, length, exact, var_len, write_method) register struct variable *vp; oid *name; int *length; int exact; int *var_len; int (**write_method) __P((int, u_char *, u_char, int, u_char *, oid *, int)); { static struct icmp_mib icmpstat; if (header_icmp(vp, name, length, exact, var_len, write_method) == MATCH_FAILED ) return(NULL); linux_read_icmp_stat (&icmpstat); switch (vp->magic){ 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; default: ERROR_MSG(""); } return NULL; } #endif /* linux */ #else /* solaris2 */ u_char * var_icmp(vp, name, length, exact, var_len, write_method) register struct variable *vp; oid *name; int *length; int exact; int *var_len; int (**write_method) __P((int, u_char *, u_char, int, u_char *, oid *, int)); { mib2_icmp_t icmpstat; if (header_icmp(vp, name, length, exact, var_len, write_method) == MATCH_FAILED ) return(NULL); /* * Get the ICMP statistics from the kernel... */ if (getMibstat(MIB_ICMP, &icmpstat, sizeof(mib2_icmp_t), GET_FIRST, &Get_everything, NULL) < 0) return (NULL); /* Things are ugly ... */ switch (vp->magic){ case ICMPINMSGS: long_return = icmpstat.icmpInMsgs; break; case ICMPINERRORS: long_return = icmpstat.icmpInErrors; break; case ICMPINDESTUNREACHS: long_return = icmpstat.icmpInDestUnreachs; break; case ICMPINTIMEEXCDS: long_return = icmpstat.icmpInTimeExcds; break; case ICMPINPARMPROBS: long_return = icmpstat.icmpInParmProbs; break; case ICMPINSRCQUENCHS: long_return = icmpstat.icmpInSrcQuenchs; break; case ICMPINREDIRECTS: long_return = icmpstat.icmpInRedirects; break; case ICMPINECHOS: long_return = icmpstat.icmpInEchos; break; case ICMPINECHOREPS: long_return = icmpstat.icmpInEchoReps; break; case ICMPINTIMESTAMPS: long_return = icmpstat.icmpInTimestamps; break; case ICMPINTIMESTAMPREPS: long_return = icmpstat.icmpInTimestampReps; break; case ICMPINADDRMASKS: long_return = icmpstat.icmpInAddrMasks; break; case ICMPINADDRMASKREPS: long_return = icmpstat.icmpInAddrMaskReps; break; case ICMPOUTMSGS: long_return = icmpstat.icmpOutMsgs; break; case ICMPOUTERRORS: long_return = icmpstat.icmpOutErrors; break; case ICMPOUTDESTUNREACHS: long_return = icmpstat.icmpOutDestUnreachs; break; case ICMPOUTTIMEEXCDS: long_return = icmpstat.icmpOutTimeExcds; break; case ICMPOUTPARMPROBS: long_return = icmpstat.icmpOutParmProbs; break; case ICMPOUTSRCQUENCHS: long_return = icmpstat.icmpOutSrcQuenchs; break; case ICMPOUTREDIRECTS: long_return = icmpstat.icmpOutRedirects; break; case ICMPOUTECHOS: long_return = icmpstat.icmpOutEchos; break; case ICMPOUTECHOREPS: long_return = icmpstat.icmpOutEchoReps; break; case ICMPOUTTIMESTAMPS: long_return = icmpstat.icmpOutTimestamps; break; case ICMPOUTTIMESTAMPREPS: long_return = icmpstat.icmpOutTimestampReps; break; case ICMPOUTADDRMASKS: long_return = icmpstat.icmpOutAddrMasks; break; case ICMPOUTADDRMASKREPS: long_return = icmpstat.icmpOutAddrMaskReps; break; default: ERROR_MSG(""); return(NULL); } return ((u_char *) &long_return); } #endif /* solaris2 */ /********************* * * Internal implementation functions * *********************/ #ifdef linux /* * lucky days. since 1.1.16 the icmp statistics are avail by the proc * file-system. */ static void linux_read_icmp_stat (icmpstat) struct icmp_mib *icmpstat; { FILE *in = fopen ("/proc/net/snmp", "r"); char line [1024]; memset ((char *) icmpstat,(0), sizeof (*icmpstat)); if (! in) return; while (line == fgets (line, 1024, in)) { if (26 == sscanf (line, "Icmp: %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n", &icmpstat->IcmpInMsgs, &icmpstat->IcmpInErrors, &icmpstat->IcmpInDestUnreachs, &icmpstat->IcmpInTimeExcds, &icmpstat->IcmpInParmProbs, &icmpstat->IcmpInSrcQuenchs, &icmpstat->IcmpInRedirects, &icmpstat->IcmpInEchos, &icmpstat->IcmpInEchoReps, &icmpstat->IcmpInTimestamps, &icmpstat->IcmpInTimestampReps, &icmpstat->IcmpInAddrMasks, &icmpstat->IcmpInAddrMaskReps, &icmpstat->IcmpOutMsgs, &icmpstat->IcmpOutErrors, &icmpstat->IcmpOutDestUnreachs, &icmpstat->IcmpOutTimeExcds, &icmpstat->IcmpOutParmProbs, &icmpstat->IcmpOutSrcQuenchs, &icmpstat->IcmpOutRedirects, &icmpstat->IcmpOutEchos, &icmpstat->IcmpOutEchoReps, &icmpstat->IcmpOutTimestamps, &icmpstat->IcmpOutTimestampReps, &icmpstat->IcmpOutAddrMasks, &icmpstat->IcmpOutAddrMaskReps)) break; } fclose (in); } #endif /* linux */