re-format

This commit is contained in:
Doug MacEachern 2005-03-11 21:09:58 +00:00
parent 634ac82d1c
commit 94f842e473
1 changed files with 197 additions and 199 deletions

View File

@ -47,7 +47,6 @@ static char copyright[] =
#include <stropts.h>
#include <unistd.h>
/*
* Local static values
*/
@ -60,7 +59,6 @@ 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
*
@ -72,32 +70,29 @@ static char ErrMsg[GET_MIB2_ERRMSGL]; /* error message buffer */
*/
int
close_mib2(
char **errmsg /* error message buffer return
* address */
)
close_mib2(char **errmsg)
{
*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);
*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);
}
@ -115,160 +110,164 @@ close_mib2(
*/
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 */
)
get_mib2(struct opthdr **opt,
char **data,
int *datalen,
char **errmsg)
{
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 */
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) {
*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);
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);
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;
r->MGMT_flags = MI_T_CURRENT;
#else /* !defined(MI_T_CURRENT) */
# if defined(T_CURRENT)
r->MGMT_flags = 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;
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);
}
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
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
&& 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);
|| 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);
}
@ -283,52 +282,51 @@ get_mib2(
*/
int
open_mib2(
char **errmsg /* error message buffer return
* address */
)
open_mib2(char **errmsg)
{
*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);
*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);
}