sources from:
ftp://vic.cc.purdue.edu/pub/tools/unix/solaris/get_mib2/ Vic Abell <abe@purdue.edu> October 18, 2002
This commit is contained in:
Doug MacEachern
parent
6f1985d433
commit
634ac82d1c
334
src/os/solaris/get_mib2.c
Normal file
334
src/os/solaris/get_mib2.c
Normal file
@ -0,0 +1,334 @@
|
||||
/*
|
||||
* get_mib2() -- get MIB2 information from Solaris 2.[3-7] kernel
|
||||
*
|
||||
* V. Abell <abe@cc.purdue.edu>
|
||||
* Purdue University Computing Center
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* Copyright 1995 Purdue Research Foundation, West Lafayette, Indiana
|
||||
* 47907. All rights reserved.
|
||||
*
|
||||
* Written by Victor A. Abell <abe@cc.purdue.edu>
|
||||
*
|
||||
* This software is not subject to any license of the American Telephone
|
||||
* and Telegraph Company or the Regents of the University of California.
|
||||
*
|
||||
* Permission is granted to anyone to use this software for any purpose on
|
||||
* any computer system, and to alter it and redistribute it freely, subject
|
||||
* to the following restrictions:
|
||||
*
|
||||
* 1. Neither Victor A Abell nor Purdue University are responsible for
|
||||
* any consequences of the use of this software.
|
||||
*
|
||||
* 2. The origin of this software must not be misrepresented, either by
|
||||
* explicit claim or by omission. Credit to Victor A. Abell and Purdue
|
||||
* University must appear in documentation and sources.
|
||||
*
|
||||
* 3. Altered versions must be plainly marked as such, and must not be
|
||||
* misrepresented as being the original software.
|
||||
*
|
||||
* 4. This notice may not be removed or altered.
|
||||
*/
|
||||
|
||||
#if 0 /*ndef lint -Wall -Werror*/
|
||||
static char copyright[] =
|
||||
"@(#) Copyright 1995 Purdue Research Foundation.\nAll rights reserved.\n";
|
||||
#endif
|
||||
|
||||
#include "get_mib2.h"
|
||||
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stropts.h>
|
||||
#include <unistd.h>
|
||||
|
||||
|
||||
/*
|
||||
* Local static values
|
||||
*/
|
||||
|
||||
static char *Db = NULL; /* data buffer */
|
||||
static int Dbl = 0; /* data buffer length */
|
||||
static char *Smb = NULL; /* stream message buffer */
|
||||
static size_t Smbl = 0; /* size of Smb[] */
|
||||
static int Sd = -1; /* stream device descriptor; not open
|
||||
* if -1 */
|
||||
static char ErrMsg[GET_MIB2_ERRMSGL]; /* error message buffer */
|
||||
|
||||
|
||||
/*
|
||||
* close_mib2() - close MIB2 access
|
||||
*
|
||||
* return:
|
||||
*
|
||||
* exit = GET_MIB2_OK if close succeeded
|
||||
* GET_MIB2_* is the error code for failure and:
|
||||
* *errmsg = failure error message
|
||||
*/
|
||||
|
||||
int
|
||||
close_mib2(
|
||||
char **errmsg /* error message buffer return
|
||||
* address */
|
||||
)
|
||||
{
|
||||
*errmsg = ErrMsg;
|
||||
if (Sd < 0) {
|
||||
(void) strcpy(ErrMsg, "close_mib2: socket not open");
|
||||
return(GET_MIB2_ERR_NOTOPEN);
|
||||
}
|
||||
if (close(Sd)) {
|
||||
(void) sprintf(ErrMsg, "close_mib2: %s", strerror(errno));
|
||||
return(GET_MIB2_ERR_CLOSE);
|
||||
}
|
||||
Sd = -1;
|
||||
if (Dbl && Db) {
|
||||
Dbl = 0;
|
||||
free((void *)Db);
|
||||
Db = NULL;
|
||||
}
|
||||
if (Smbl && Smb) {
|
||||
Smbl = 0;
|
||||
free((void *)Smb);
|
||||
Smb = NULL;
|
||||
}
|
||||
return(GET_MIB2_OK);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* get_mib2() - get MIB2 data
|
||||
*
|
||||
* return:
|
||||
*
|
||||
* exit = GET_MIB2_OK if get succeeded, and:
|
||||
* *opt = opthdr structure address
|
||||
* *data = data buffer address
|
||||
* *datalen = size of data buffer
|
||||
* GET_MIB2_* is the error code for failure and:
|
||||
* *errmsg = failure error message
|
||||
*/
|
||||
|
||||
int
|
||||
get_mib2(
|
||||
struct opthdr **opt, /* opthdr struct pointer return
|
||||
* address */
|
||||
char **data, /* data buffer return address */
|
||||
int *datalen, /* data length return address */
|
||||
char **errmsg /* error message buffer return
|
||||
* address */
|
||||
)
|
||||
{
|
||||
static struct T_optmgmt_ack *a; /* message ACK pointer */
|
||||
static struct strbuf c; /* streams control buffer */
|
||||
struct strbuf d; /* streams data buffer */
|
||||
static struct T_error_ack *e; /* message error pointer */
|
||||
int err; /* error code */
|
||||
int f; /* flags */
|
||||
static struct opthdr *o; /* message option pointer */
|
||||
static struct T_optmgmt_req *r; /* message request pointer */
|
||||
int rc; /* reply code */
|
||||
|
||||
*errmsg = ErrMsg;
|
||||
/*
|
||||
* If MIB2 access isn't open, open it and issue the preliminary stream
|
||||
* messages.
|
||||
*/
|
||||
if (Sd < 0) {
|
||||
|
||||
/*
|
||||
* Open access. Return on error.
|
||||
*/
|
||||
if ((err = open_mib2(errmsg)))
|
||||
return(err);
|
||||
/*
|
||||
* Set up message request and option.
|
||||
*/
|
||||
r = (struct T_optmgmt_req *)Smb;
|
||||
o = (struct opthdr *)&Smb[sizeof(struct T_optmgmt_req)];
|
||||
r->PRIM_type = T_OPTMGMT_REQ;
|
||||
r->OPT_offset = sizeof(struct T_optmgmt_req);
|
||||
r->OPT_length = sizeof(struct opthdr);
|
||||
|
||||
#if defined(MI_T_CURRENT)
|
||||
r->MGMT_flags = MI_T_CURRENT;
|
||||
#else /* !defined(MI_T_CURRENT) */
|
||||
# if defined(T_CURRENT)
|
||||
r->MGMT_flags = T_CURRENT;
|
||||
# else /* !defined(T_CURRENT) */
|
||||
#error "Neither MI_T_CURRENT nor T_CURRENT are defined."
|
||||
# endif /* defined(T_CURRENT) */
|
||||
#endif /* defined(MI_T_CURRENT) */
|
||||
|
||||
o->level = MIB2_IP;
|
||||
o->name = o->len = 0;
|
||||
c.buf = Smb;
|
||||
c.len = r->OPT_offset + r->OPT_length;
|
||||
/*
|
||||
* Put the message.
|
||||
*/
|
||||
if (putmsg(Sd, &c, (struct strbuf *)NULL, 0) == -1) {
|
||||
(void) sprintf(ErrMsg,
|
||||
"get_mib2: putmsg request: %s", strerror(errno));
|
||||
return(GET_MIB2_ERR_PUTMSG);
|
||||
}
|
||||
/*
|
||||
* Set up to process replies.
|
||||
*/
|
||||
a = (struct T_optmgmt_ack *)Smb;
|
||||
c.maxlen = Smbl;
|
||||
e = (struct T_error_ack *)Smb;
|
||||
o = (struct opthdr *)&Smb[sizeof(struct T_optmgmt_ack)];
|
||||
}
|
||||
/*
|
||||
* Get the next (first) reply message.
|
||||
*/
|
||||
f = 0;
|
||||
if ((rc = getmsg(Sd, &c, NULL, &f)) < 0) {
|
||||
(void) sprintf(ErrMsg, "get_mib2: getmsg(reply): %s",
|
||||
strerror(errno));
|
||||
return(GET_MIB2_ERR_GETMSGR);
|
||||
}
|
||||
/*
|
||||
* Check for end of data.
|
||||
*/
|
||||
if (rc == 0
|
||||
&& c.len >= sizeof(struct T_optmgmt_ack)
|
||||
&& a->PRIM_type == T_OPTMGMT_ACK
|
||||
&& a->MGMT_flags == T_SUCCESS
|
||||
&& o->len == 0) {
|
||||
err = close_mib2(errmsg);
|
||||
if (err)
|
||||
return(err);
|
||||
return(GET_MIB2_EOD);
|
||||
}
|
||||
/*
|
||||
* Check for error.
|
||||
*/
|
||||
if (c.len >= sizeof(struct T_error_ack)
|
||||
&& e->PRIM_type == T_ERROR_ACK) {
|
||||
(void) sprintf(ErrMsg,
|
||||
"get_mib2: T_ERROR_ACK: len=%d, TLI=%#x, UNIX=%#x",
|
||||
c.len, (int)e->TLI_error, (int)e->UNIX_error);
|
||||
return(GET_MIB2_ERR_ACK);
|
||||
}
|
||||
/*
|
||||
* Check for no data.
|
||||
*/
|
||||
if (rc != MOREDATA
|
||||
|| c.len < sizeof(struct T_optmgmt_ack)
|
||||
|| a->PRIM_type != T_OPTMGMT_ACK
|
||||
|| a->MGMT_flags != T_SUCCESS) {
|
||||
(void) sprintf(ErrMsg,
|
||||
"get_mib2: T_OPTMGMT_ACK: rc=%d len=%d type=%#x flags=%#x",
|
||||
rc, c.len, (int)a->PRIM_type, (int)a->MGMT_flags);
|
||||
return(GET_MIB2_ERR_NODATA);
|
||||
}
|
||||
/*
|
||||
* Allocate (or enlarge) the data buffer.
|
||||
*/
|
||||
if (o->len >= Dbl) {
|
||||
Dbl = o->len;
|
||||
if (Db == NULL)
|
||||
Db = (char *)malloc(Dbl);
|
||||
else
|
||||
Db = (char *)realloc(Db, Dbl);
|
||||
if (Db == NULL) {
|
||||
(void) sprintf(ErrMsg,
|
||||
"get_mib2: no space for %d byte data buffer", Dbl);
|
||||
return(GET_MIB2_ERR_NOSPC);
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Get the data part of the message -- the MIB2 part.
|
||||
*/
|
||||
d.maxlen = o->len;
|
||||
d.buf = Db;
|
||||
d.len = 0;
|
||||
f = 0;
|
||||
if ((rc = getmsg(Sd, NULL, &d, &f)) < 0) {
|
||||
(void) sprintf(ErrMsg, "get_mib2: getmsg(data): %s",
|
||||
strerror(errno));
|
||||
return(GET_MIB2_ERR_GETMSGD);
|
||||
}
|
||||
if (rc) {
|
||||
(void) sprintf(ErrMsg,
|
||||
"get_mib2: getmsg(data): rc=%d maxlen=%d len=%d: %s",
|
||||
rc, d.maxlen, d.len, strerror(errno));
|
||||
return(GET_MIB2_ERR_GETMSGD);
|
||||
}
|
||||
/*
|
||||
* Compose a successful return.
|
||||
*/
|
||||
*opt = o;
|
||||
*data = Db;
|
||||
*datalen = d.len;
|
||||
return(GET_MIB2_OK);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* open_mib2() - open access to MIB2 data
|
||||
*
|
||||
* return:
|
||||
*
|
||||
* exit = GET_MIB2_OK if open succeeded
|
||||
* GET_MIB2_* is the error code for failure and:
|
||||
* *errmsg = failure error message
|
||||
*/
|
||||
|
||||
int
|
||||
open_mib2(
|
||||
char **errmsg /* error message buffer return
|
||||
* address */
|
||||
)
|
||||
{
|
||||
*errmsg = ErrMsg;
|
||||
/*
|
||||
* It's an error if the stream device is already open.
|
||||
*/
|
||||
if (Sd >= 0) {
|
||||
(void) strcpy(ErrMsg, "open_mib2: MIB2 access already open");
|
||||
return(GET_MIB2_ERR_OPEN);
|
||||
}
|
||||
/*
|
||||
* Open the ARP stream device, push TCP and UDP on it.
|
||||
*/
|
||||
if ((Sd = open(GET_MIB2_ARPDEV, O_RDWR, 0600)) < 0) {
|
||||
(void) sprintf(ErrMsg, "open_mib2: %s: %s", GET_MIB2_ARPDEV,
|
||||
strerror(errno));
|
||||
return(GET_MIB2_ERR_ARPOPEN);
|
||||
}
|
||||
if (ioctl(Sd, I_PUSH, GET_MIB2_TCPSTREAM) == -1) {
|
||||
(void) sprintf(ErrMsg, "open_mib2: push %s: %s",
|
||||
GET_MIB2_TCPSTREAM, strerror(errno));
|
||||
return(GET_MIB2_ERR_TCPPUSH);
|
||||
}
|
||||
if (ioctl(Sd, I_PUSH, GET_MIB2_UDPSTREAM) == -1) {
|
||||
(void) sprintf(ErrMsg, "open_mib2: push %s: %s",
|
||||
GET_MIB2_UDPSTREAM, strerror(errno));
|
||||
return(GET_MIB2_ERR_UDPPUSH);
|
||||
}
|
||||
/*
|
||||
* Allocate a stream message buffer.
|
||||
*/
|
||||
Smbl = sizeof(struct opthdr) + sizeof(struct T_optmgmt_req);
|
||||
if (Smbl < (sizeof (struct opthdr) + sizeof(struct T_optmgmt_ack)))
|
||||
Smbl = sizeof (struct opthdr) + sizeof(struct T_optmgmt_ack);
|
||||
if (Smbl < sizeof(struct T_error_ack))
|
||||
Smbl = sizeof(struct T_error_ack);
|
||||
if ((Smb = (char *)malloc(Smbl)) == NULL) {
|
||||
(void) strcpy(ErrMsg,
|
||||
"open_mib2: no space for stream message buffer");
|
||||
return(GET_MIB2_ERR_NOSPC);
|
||||
}
|
||||
/*
|
||||
* All is OK. Return that indication.
|
||||
*/
|
||||
return(GET_MIB2_OK);
|
||||
}
|
||||
123
src/os/solaris/get_mib2.h
Normal file
123
src/os/solaris/get_mib2.h
Normal file
@ -0,0 +1,123 @@
|
||||
/*
|
||||
* get_mib2.h -- definitions for the get_mib2() function
|
||||
*
|
||||
* V. Abell <abe@cc.purdue.edu>
|
||||
* Purdue University Computing Center
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* Copyright 1995 Purdue Research Foundation, West Lafayette, Indiana
|
||||
* 47907. All rights reserved.
|
||||
*
|
||||
* Written by Victor A. Abell <abe@cc.purdue.edu>
|
||||
*
|
||||
* This software is not subject to any license of the American Telephone
|
||||
* and Telegraph Company or the Regents of the University of California.
|
||||
*
|
||||
* Permission is granted to anyone to use this software for any purpose on
|
||||
* any computer system, and to alter it and redistribute it freely, subject
|
||||
* to the following restrictions:
|
||||
*
|
||||
* 1. Neither Victor A Abell nor Purdue University are responsible for
|
||||
* any consequences of the use of this software.
|
||||
*
|
||||
* 2. The origin of this software must not be misrepresented, either by
|
||||
* explicit claim or by omission. Credit to Victor A. Abell and Purdue
|
||||
* University must appear in documentation and sources.
|
||||
*
|
||||
* 3. Altered versions must be plainly marked as such, and must not be
|
||||
* misrepresented as being the original software.
|
||||
*
|
||||
* 4. This notice may not be removed or altered.
|
||||
*/
|
||||
|
||||
|
||||
#if !defined(GET_MIB2_H)
|
||||
#define GET_MIB2_H
|
||||
|
||||
|
||||
/*
|
||||
* Required header files
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/stream.h>
|
||||
#include <sys/tihdr.h>
|
||||
#include <sys/tiuser.h>
|
||||
#include <inet/mib2.h>
|
||||
#include <inet/led.h>
|
||||
|
||||
|
||||
/*
|
||||
* Miscellaneous definitions
|
||||
*/
|
||||
|
||||
#define GET_MIB2_ARPDEV "/dev/arp" /* ARP stream devi9ce */
|
||||
#define GET_MIB2_ERRMSGL 1024 /* ErrMsg buffer length */
|
||||
#define GET_MIB2_TCPSTREAM "tcp" /* TCP stream name */
|
||||
#define GET_MIB2_UDPSTREAM "udp" /* UDP stream name */
|
||||
|
||||
|
||||
/*
|
||||
* get_mib2() response codes
|
||||
*
|
||||
* -1 End of MIB2 information
|
||||
* 0 Next MIB2 structure returned
|
||||
* >0 Error code
|
||||
*/
|
||||
|
||||
#define GET_MIB2_EOD -1 /* end of data */
|
||||
#define GET_MIB2_OK 0 /* function succeeded */
|
||||
#define GET_MIB2_ERR_ACK 1 /* getmsg() ACK error received */
|
||||
#define GET_MIB2_ERR_ARPOPEN 2 /* error opening ARPDEV */
|
||||
#define GET_MIB2_ERR_CLOSE 3 /* MIB2 access close error */
|
||||
#define GET_MIB2_ERR_GETMSGD 4 /* error getting message data */
|
||||
#define GET_MIB2_ERR_GETMSGR 5 /* error getting message reply */
|
||||
#define GET_MIB2_ERR_NODATA 6 /* data expected; not received */
|
||||
#define GET_MIB2_ERR_NOSPC 7 /* no malloc() space */
|
||||
#define GET_MIB2_ERR_NOTOPEN 8 /* MIB2 access not open */
|
||||
#define GET_MIB2_ERR_OPEN 9 /* MIB2 access open error */
|
||||
#define GET_MIB2_ERR_PUTMSG 10 /* error putting request message */
|
||||
#define GET_MIB2_ERR_TCPPUSH 11 /* error pushing TCPSTREAM */
|
||||
#define GET_MIB2_ERR_UDPPUSH 12 /* error pushing UDPSTREAM */
|
||||
|
||||
#define GET_MIB2_ERR_MAX 13 /* maximum error number + 1 */
|
||||
|
||||
|
||||
/*
|
||||
* Function prototypes
|
||||
*/
|
||||
|
||||
int close_mib2( /* close acccess to MIB2 information */
|
||||
char **errmsg /* error message buffer return
|
||||
* address (if return value
|
||||
* > GET_MIB2_OK.) The error
|
||||
* message buffer address will
|
||||
* be NULL if no buffer has
|
||||
* been defined. */
|
||||
);
|
||||
int get_mib2( /* get MIB2 information */
|
||||
struct opthdr **opt, /* opthdr pointer return (see
|
||||
* <sys/socket.h> */
|
||||
char **data, /* data buffer return address */
|
||||
int *datalen, /* data buffer length return
|
||||
* address */
|
||||
char **errmsg /* error message buffer return
|
||||
* address (if return value
|
||||
* > GET_MIB2_OK.) The error
|
||||
* message buffer address will
|
||||
* be NULL if no buffer has
|
||||
* been defined. */
|
||||
);
|
||||
int open_mib2( /* open acccess to MIB2 information */
|
||||
char **errmsg /* error message buffer return
|
||||
* address (if return value
|
||||
* > GET_MIB2_OK.) The error
|
||||
* message buffer address will
|
||||
* be NULL if no buffer has
|
||||
* been defined. */
|
||||
);
|
||||
|
||||
#endif /* !defined(GET_MIB2_H) */
|
||||
Loading…
Reference in New Issue
Block a user