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d7c0a89a3a
The following types are nonstandard: - u_char - u_short - u_int - u_long - u_int8_t - u_int16_t - u_int32_t Replace them with the C99 standard types: - uint8_t - unsigned short - unsigned int - unsigned long - uint8_t - uint16_t - uint32_t Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
/* SNMP support
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* Copyright (C) 1999 Kunihiro Ishiguro <kunihiro@zebra.org>
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <zebra.h>
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#include <net-snmp/net-snmp-config.h>
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#include <net-snmp/net-snmp-includes.h>
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#include "smux.h"
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#define min(A,B) ((A) < (B) ? (A) : (B))
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int oid_compare(const oid *o1, int o1_len, const oid *o2, int o2_len)
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{
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int i;
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for (i = 0; i < min(o1_len, o2_len); i++) {
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if (o1[i] < o2[i])
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return -1;
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else if (o1[i] > o2[i])
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return 1;
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}
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if (o1_len < o2_len)
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return -1;
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if (o1_len > o2_len)
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return 1;
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return 0;
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}
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void *oid_copy(void *dest, const void *src, size_t size)
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{
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return memcpy(dest, src, size * sizeof(oid));
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}
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void oid2in_addr(oid oid[], int len, struct in_addr *addr)
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{
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int i;
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uint8_t *pnt;
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if (len == 0)
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return;
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pnt = (uint8_t *)addr;
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for (i = 0; i < len; i++)
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*pnt++ = oid[i];
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}
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void oid_copy_addr(oid oid[], struct in_addr *addr, int len)
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{
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int i;
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uint8_t *pnt;
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if (len == 0)
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return;
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pnt = (uint8_t *)addr;
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for (i = 0; i < len; i++)
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oid[i] = *pnt++;
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}
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int smux_header_generic(struct variable *v, oid *name, size_t *length,
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int exact, size_t *var_len, WriteMethod **write_method)
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{
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oid fulloid[MAX_OID_LEN];
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int ret;
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oid_copy(fulloid, v->name, v->namelen);
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fulloid[v->namelen] = 0;
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/* Check against full instance. */
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ret = oid_compare(name, *length, fulloid, v->namelen + 1);
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/* Check single instance. */
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if ((exact && (ret != 0)) || (!exact && (ret >= 0)))
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return MATCH_FAILED;
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/* In case of getnext, fill in full instance. */
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memcpy(name, fulloid, (v->namelen + 1) * sizeof(oid));
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*length = v->namelen + 1;
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*write_method = 0;
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*var_len = sizeof(long); /* default to 'long' results */
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return MATCH_SUCCEEDED;
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}
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int smux_header_table(struct variable *v, oid *name, size_t *length, int exact,
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size_t *var_len, WriteMethod **write_method)
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{
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/* If the requested OID name is less than OID prefix we
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handle, adjust it to our prefix. */
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if ((oid_compare(name, *length, v->name, v->namelen)) < 0) {
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if (exact)
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return MATCH_FAILED;
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oid_copy(name, v->name, v->namelen);
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*length = v->namelen;
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}
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*write_method = 0;
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*var_len = sizeof(long);
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return MATCH_SUCCEEDED;
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}
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