mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-11-18 20:10:53 +00:00
Fixed up mib_external_node support, snmpwalk works for external objects.
This commit is contained in:
christiaans
parent
f7881e58bb
commit
2539b5cf61
@ -38,7 +38,7 @@
|
||||
#include "lwip/snmp_structs.h"
|
||||
#include "lwip/mem.h"
|
||||
|
||||
#define TODO_GETNEXT_MIB_NODE_EX 0
|
||||
|
||||
|
||||
/** .iso.org.dod.internet address prefix, @see snmp_iso_*() */
|
||||
const s32_t prefix[4] = {1, 3, 6, 1};
|
||||
@ -51,6 +51,8 @@ struct nse
|
||||
struct mib_node* r_ptr;
|
||||
/** right child identifier */
|
||||
s32_t r_id;
|
||||
/** right child next level */
|
||||
u8_t r_nl;
|
||||
};
|
||||
static u8_t node_stack_cnt = 0;
|
||||
static struct nse node_stack[NODE_STACK_SIZE];
|
||||
@ -62,6 +64,7 @@ static void
|
||||
push_node(struct nse* node)
|
||||
{
|
||||
LWIP_ASSERT("node_stack_cnt < NODE_STACK_SIZE",node_stack_cnt < NODE_STACK_SIZE);
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("push_node() node=%p id=%"S32_F"\n",(void*)(node->r_ptr),node->r_id));
|
||||
if (node_stack_cnt < NODE_STACK_SIZE)
|
||||
{
|
||||
node_stack[node_stack_cnt] = *node;
|
||||
@ -80,6 +83,7 @@ pop_node(struct nse* node)
|
||||
node_stack_cnt--;
|
||||
*node = node_stack[node_stack_cnt];
|
||||
}
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("pop_node() node=%p id=%"S32_F"\n",(void *)(node->r_ptr),node->r_id));
|
||||
}
|
||||
|
||||
/**
|
||||
@ -671,6 +675,15 @@ empty_table(struct mib_node *node)
|
||||
empty = 1;
|
||||
}
|
||||
}
|
||||
else if (node_type == MIB_NODE_EX)
|
||||
{
|
||||
struct mib_external_node *en;
|
||||
en = (struct mib_external_node *)node;
|
||||
if (en->tree_levels == 0)
|
||||
{
|
||||
empty = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
return empty;
|
||||
}
|
||||
@ -715,14 +728,21 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
{
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("leaf node\n"));
|
||||
/* leaf node (e.g. in a fixed size table) */
|
||||
if ((i + 1) < an->maxlength)
|
||||
if (an->objid[i] > *ident)
|
||||
{
|
||||
return (struct mib_node*)an;
|
||||
}
|
||||
else if ((i + 1) < an->maxlength)
|
||||
{
|
||||
/* an->objid[i] == *ident */
|
||||
(oidret->len)--;
|
||||
oidret->id[oidret->len] = an->objid[i + 1];
|
||||
(oidret->len)++;
|
||||
return (struct mib_node*)an;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* (i + 1) == an->maxlength */
|
||||
(oidret->len)--;
|
||||
climb_tree = 1;
|
||||
}
|
||||
@ -743,12 +763,12 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
{
|
||||
cur_node.r_ptr = an->nptr[j];
|
||||
cur_node.r_id = an->objid[j];
|
||||
cur_node.r_nl = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
cur_node.r_ptr = NULL;
|
||||
}
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("expand, push_node() node=%p id=%"S32_F"\n",(void*)cur_node.r_ptr,cur_node.r_id));
|
||||
push_node(&cur_node);
|
||||
if (an->objid[i] == *ident)
|
||||
{
|
||||
@ -825,16 +845,21 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
if (ln->nptr == NULL)
|
||||
{
|
||||
/* leaf node */
|
||||
if (ln->next != NULL)
|
||||
if (ln->objid > *ident)
|
||||
{
|
||||
return (struct mib_node*)lrn;
|
||||
}
|
||||
else if (ln->next != NULL)
|
||||
{
|
||||
/* ln->objid == *ident */
|
||||
(oidret->len)--;
|
||||
oidret->id[oidret->len] = ln->next->objid;
|
||||
(oidret->len)++;
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("ln->next != NULL\n"));
|
||||
return (struct mib_node*)lrn;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* ln->next == NULL */
|
||||
(oidret->len)--;
|
||||
climb_tree = 1;
|
||||
}
|
||||
@ -854,12 +879,12 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
{
|
||||
cur_node.r_ptr = jn->nptr;
|
||||
cur_node.r_id = jn->objid;
|
||||
cur_node.r_nl = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
cur_node.r_ptr = NULL;
|
||||
}
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("expand, push_node() node=%p id=%"S32_F"\n",(void*)cur_node.r_ptr,cur_node.r_id));
|
||||
push_node(&cur_node);
|
||||
if (ln->objid == *ident)
|
||||
{
|
||||
@ -915,10 +940,10 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
}
|
||||
}
|
||||
}
|
||||
#if TODO_GETNEXT_MIB_NODE_EX
|
||||
else if(node_type == MIB_NODE_EX)
|
||||
{
|
||||
struct mib_external_node *en;
|
||||
s32_t ex_id;
|
||||
|
||||
/* external node (addressing and access via functions) */
|
||||
en = (struct mib_external_node *)node;
|
||||
@ -935,22 +960,31 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
if (i < len)
|
||||
{
|
||||
/* add identifier to oidret */
|
||||
en->get_objid(en->addr_inf,ext_level,i,&oidret->id[oidret->len]);
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("en->objid[%"U16_F"]==%"S32_F" *ident==%"S32_F"\n",i,oidret->id[oidret->len],*ident));
|
||||
en->get_objid(en->addr_inf,ext_level,i,&ex_id);
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("en->objid[%"U16_F"]==%"S32_F" *ident==%"S32_F"\n",i,ex_id,*ident));
|
||||
oidret->id[oidret->len] = ex_id;
|
||||
(oidret->len)++;
|
||||
|
||||
if ((ext_level + 1) == en->tree_levels)
|
||||
{
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("leaf node\n"));
|
||||
/* leaf node */
|
||||
if ((i + 1) < len)
|
||||
if (ex_id > *ident)
|
||||
{
|
||||
return (struct mib_node*)en;
|
||||
}
|
||||
else if ((i + 1) < len)
|
||||
{
|
||||
/* ex_id == *ident */
|
||||
en->get_objid(en->addr_inf,ext_level,i + 1,&ex_id);
|
||||
(oidret->len)--;
|
||||
en->get_objid(en->addr_inf,ext_level,i + 1,&oidret->id[oidret->len]);
|
||||
oidret->id[oidret->len] = ex_id;
|
||||
(oidret->len)++;
|
||||
return (struct mib_node*)en;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* (i + 1) == len */
|
||||
(oidret->len)--;
|
||||
climb_tree = 1;
|
||||
}
|
||||
@ -963,21 +997,17 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("non-leaf node\n"));
|
||||
/* non-leaf, store right child ptr and id */
|
||||
j = i + 1;
|
||||
while (j < len)
|
||||
{
|
||||
j++;
|
||||
}
|
||||
if (j < len)
|
||||
{
|
||||
/* right node is the current external node (@todo save j and level) */
|
||||
/* right node is the current external node */
|
||||
cur_node.r_ptr = node;
|
||||
en->get_objid(en->addr_inf,ext_level,j,&cur_node.r_id);
|
||||
cur_node.r_nl = ext_level + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
cur_node.r_ptr = NULL;
|
||||
}
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("expand, push_node() node=%p id=%"S32_F"\n",(void*)cur_node.r_ptr,cur_node.r_id));
|
||||
push_node(&cur_node);
|
||||
if (en->ident_cmp(en->addr_inf,ext_level,i,*ident) == 0)
|
||||
{
|
||||
@ -1002,8 +1032,9 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
else
|
||||
{
|
||||
/* ident_len == 0, complete with leftmost '.thing' */
|
||||
en->get_objid(en->addr_inf,ext_level,0,&oidret->id[oidret->len]);
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("left en->objid==%"S32_F"\n",oidret->id[oidret->len]));
|
||||
en->get_objid(en->addr_inf,ext_level,0,&ex_id);
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("left en->objid==%"S32_F"\n",ex_id));
|
||||
oidret->id[oidret->len] = ex_id;
|
||||
(oidret->len)++;
|
||||
if ((ext_level + 1) == en->tree_levels)
|
||||
{
|
||||
@ -1018,7 +1049,6 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
else if(node_type == MIB_NODE_SC)
|
||||
{
|
||||
mib_scalar_node *sn;
|
||||
@ -1056,7 +1086,6 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
while ((node_stack_cnt > 0) && (child.r_ptr == NULL))
|
||||
{
|
||||
pop_node(&child);
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("expand, pop_node() node=%p id=%"S32_F"\n",(void *)child.r_ptr, child.r_id));
|
||||
/* trim returned oid */
|
||||
(oidret->len)--;
|
||||
}
|
||||
@ -1067,6 +1096,7 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
oidret->id[oidret->len] = child.r_id;
|
||||
oidret->len++;
|
||||
node = child.r_ptr;
|
||||
ext_level = child.r_nl;
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user