diff options
Diffstat (limited to 'usr.sbin/snmpd/mib.c')
| -rw-r--r-- | usr.sbin/snmpd/mib.c | 105 |
1 files changed, 104 insertions, 1 deletions
diff --git a/usr.sbin/snmpd/mib.c b/usr.sbin/snmpd/mib.c index dff05cf285a..a70d7c11d95 100644 --- a/usr.sbin/snmpd/mib.c +++ b/usr.sbin/snmpd/mib.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mib.c,v 1.51 2012/02/27 16:45:16 sthen Exp $ */ +/* $OpenBSD: mib.c,v 1.52 2012/03/20 03:01:26 joel Exp $ */ /* * Copyright (c) 2012 Joel Knight <joel@openbsd.org> @@ -23,6 +23,7 @@ #include <sys/stat.h> #include <sys/socket.h> #include <sys/un.h> +#include <sys/time.h> #include <sys/tree.h> #include <sys/utsname.h> #include <sys/sysctl.h> @@ -52,6 +53,8 @@ #include <time.h> #include <unistd.h> #include <pwd.h> +#include <limits.h> +#include <kvm.h> #include "snmpd.h" #include "mib.h" @@ -329,6 +332,9 @@ mib_setsnmp(struct oid *oid, struct ber_oid *o, struct ber_element **elm) * Defined in HOST-RESOURCES-MIB.txt (RFC 2790) */ +int mib_hrsystemuptime(struct oid *, struct ber_oid *, struct ber_element **); +int mib_hrsystemdate(struct oid *, struct ber_oid *, struct ber_element **); +int mib_hrsystemprocs(struct oid *, struct ber_oid *, struct ber_element **); int mib_hrmemory(struct oid *, struct ber_oid *, struct ber_element **); int mib_hrstorage(struct oid *, struct ber_oid *, struct ber_element **); int mib_hrdevice(struct oid *, struct ber_oid *, struct ber_element **); @@ -341,6 +347,10 @@ int kinfo_args(struct kinfo_proc *, char **); static struct oid hr_mib[] = { { MIB(host), OID_MIB }, + { MIB(hrSystemUptime), OID_RD, mib_hrsystemuptime }, + { MIB(hrSystemDate), OID_RD, mib_hrsystemdate }, + { MIB(hrSystemProcesses), OID_RD, mib_hrsystemprocs }, + { MIB(hrSystemMaxProcesses), OID_RD, mib_hrsystemprocs }, { MIB(hrMemorySize), OID_RD, mib_hrmemory }, { MIB(hrStorageIndex), OID_TRD, mib_hrstorage }, { MIB(hrStorageType), OID_TRD, mib_hrstorage }, @@ -368,6 +378,99 @@ static struct oid hr_mib[] = { }; int +mib_hrsystemuptime(struct oid *oid, struct ber_oid *o, struct ber_element **elm) +{ + struct timeval boottime; + int mib[] = { CTL_KERN, KERN_BOOTTIME }; + time_t now; + size_t len; + + (void)time(&now); + len = sizeof(boottime); + + if (sysctl(mib, 2, &boottime, &len, NULL, 0) == -1) + return (-1); + + *elm = ber_add_integer(*elm, (now - boottime.tv_sec) * 100); + ber_set_header(*elm, BER_CLASS_APPLICATION, SNMP_T_TIMETICKS); + + return (0); +} + +int +mib_hrsystemdate(struct oid *oid, struct ber_oid *o, struct ber_element **elm) +{ + struct tm *ptm; + u_char s[11]; + time_t now; + int tzoffset; + unsigned short year; + + (void)time(&now); + ptm = localtime(&now); + + year = htons(ptm->tm_year + 1900); + memcpy(s, &year, 2); + s[2] = ptm->tm_mon + 1; + s[3] = ptm->tm_mday; + s[4] = ptm->tm_hour; + s[5] = ptm->tm_min; + s[6] = ptm->tm_sec; + s[7] = 0; + + tzoffset = ptm->tm_gmtoff; + if (tzoffset < 0) + s[8] = '-'; + else + s[8] = '+'; + + s[9] = abs(tzoffset) / 3600; + s[10] = (abs(tzoffset) - (s[9] * 3600)) / 60; + + *elm = ber_add_nstring(*elm, s, sizeof(s)); + + return (0); +} + +int +mib_hrsystemprocs(struct oid *oid, struct ber_oid *o, struct ber_element **elm) +{ + char errbuf[_POSIX2_LINE_MAX]; + int val; + int mib[] = { CTL_KERN, KERN_MAXPROC }; + kvm_t *kd; + size_t len; + + switch (oid->o_oid[OIDIDX_hrsystem]) { + case 6: + if ((kd = kvm_openfiles(NULL, NULL, NULL, + KVM_NO_FILES, errbuf)) == NULL) + return (-1); + + if (kvm_getprocs(kd, KERN_PROC_ALL, 0, + sizeof(struct kinfo_proc), &val) == NULL) + return (-1); + + *elm = ber_add_integer(*elm, val); + ber_set_header(*elm, BER_CLASS_APPLICATION, SNMP_T_GAUGE32); + + kvm_close(kd); + break; + case 7: + len = sizeof(val); + if (sysctl(mib, 2, &val, &len, NULL, 0) == -1) + return (-1); + + *elm = ber_add_integer(*elm, val); + break; + default: + return (-1); + } + + return (0); +} + +int mib_hrmemory(struct oid *oid, struct ber_oid *o, struct ber_element **elm) { struct ber_element *ber = *elm; |