int read_objid(//input, output, out_len)
char *input,
oid *output,
int *out_len) /* number of subid's in "output" */
{
struct snmp_mib_tree *root = Mib;
oid *op = output;
int i;
if (*input == '.')
input++;
else {
root = find_rfc1066_mib(root);
for (i = 0; i < sizeof (RFC1066_MIB)/sizeof(oid); i++) {
if ((*out_len)-- > 0)
*output++ = RFC1066_MIB[i];
else {
#ifdef STDERR_OUTPUT
fprintf(stderr, WIDE("object identifier too long\n"));
#endif
return (0);
}
}
}
if (root == NULL) {
//extern int mib_TxtToOid(char *Buf, oid **OidP, int *LenP);
oid *tmp;
if (!mib_TxtToOid(input, &tmp, out_len)) {
#ifdef STDERR_OUTPUT
fprintf(stderr, WIDE("Mib not initialized. Exiting.\n"));
#endif
return(0);
}
memcpy((char *)output, (char *)tmp, (*out_len * sizeof(oid)));
free((char *)tmp);
return (1);
}
if ((*out_len =
parse_subtree(root, input, output, out_len)) == 0)
return (0);
*out_len += output - op;
return (1);
}
static int
parse_subtree(struct snmp_mib_tree *subtree, char *input, oid *output, int *out_len)
{
char buf[128], *to = buf;
u_int subid = 0;
struct snmp_mib_tree *tp;
/*
* No empty strings. Can happen if there is a trailing '.' or two '.'s
* in a row, i.e. "..".
*/
if ((*input == '\0') ||
(*input == '.'))
return (0);
if (xisdigit(*input)) {
/*
* Read the number, then try to find it in the subtree.
*/
while (xisdigit(*input)) {
subid *= 10;
subid += *input++ - '0';
}
for (tp = subtree; tp; tp = tp->next_peer) {
if (tp->subid == subid)
goto found;
}
tp = NULL;
} else {
/*
* Read the name into a buffer.
*/
while ((*input != '\0') &&
(*input != '.')) {
*to++ = *input++;
}
*to = '\0';
/*
* Find the name in the subtree;
*/
for (tp = subtree; tp; tp = tp->next_peer) {
if (lc_cmp(tp->label, buf) == 0) {
subid = tp->subid;
goto found;
}
}
/*
* If we didn't find the entry, punt...
*/
if (tp == NULL) {
snmplib_debug(0, "sub-identifier not found: %s\n", buf);
return (0);
}
}
found:
if (subid > (u_int) MAX_SUBID) {
snmplib_debug(0, "sub-identifier too large: %s\n", buf);
return (0);
}
if ((*out_len)-- <= 0) {
snmplib_debug(0, "object identifier too long\n");
return (0);
}
*output++ = subid;
if (*input != '.')
return (1);
if ((*out_len =
parse_subtree(tp ? tp->child_list : NULL, ++input, output, out_len)) == 0)
return (0);
return (++*out_len);
}
static int
parse_subtree(//subtree, input, output, out_len)
struct snmp_mib_tree *subtree,
char *input,
oid *output,
int *out_len) /* number of subid's */
{
char buf[128], *to = buf;
u_int subid = 0;
struct snmp_mib_tree *tp;
/*
* No empty strings. Can happen if there is a trailing '.' or two '.'s
* in a row, i.e. "..".
*/
if ((*input == '\0') ||
(*input == '.'))
return (0);
if (isdigit(*input)) {
/*
* Read the number, then try to find it in the subtree.
*/
while (isdigit(*input)) {
subid *= 10;
subid += *input++ - '0';
}
for (tp = subtree; tp; tp = tp->next_peer) {
if (tp->subid == subid)
goto found;
}
tp = NULL;
}
else {
/*
* Read the name into a buffer.
*/
while ((*input != '\0') &&
(*input != '.')) {
*to++ = *input++;
}
*to = '\0';
/*
* Find the name in the subtree;
*/
for (tp = subtree; tp; tp = tp->next_peer) {
if (lc_cmp(tp->label, buf) == 0) {
subid = tp->subid;
goto found;
}
}
/*
* If we didn't find the entry, punt...
*/
if (tp == NULL) {
#ifdef STDERR_OUTPUT
fprintf(stderr, WIDE("sub-identifier not found: %s\n"), buf);
#endif
return (0);
}
}
found:
//cpg26dec2006 src\snmplib\mib.c(808): Warning! W124: Comparison result always 0
if(subid > (u_int)MAX_SUBID){
{
#ifdef STDERR_OUTPUT
fprintf(stderr, WIDE("sub-identifier too large: %s\n"), buf);
#endif
return (0);
}
}
if ((*out_len)-- <= 0){
#ifdef STDERR_OUTPUT
fprintf(stderr, WIDE("object identifier too long\n"));
#endif
return (0);
}
*output++ = subid;
if (*input != '.')
return (1);
if ((*out_len =
parse_subtree(tp ? tp->child_list : NULL, ++input, output, out_len)) == 0)
return (0);
return (++*out_len);
}
