mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2025-03-09 22:13:23 +00:00
First getnext succes, values are returned insead of NULLs, empty tables are skipped. Limitation: a single varbind per request, so 'snmptable' will fail.
This commit is contained in:
christiaans
parent
56c5fdbeaf
commit
41ff80e5d3
@ -4,8 +4,6 @@
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*
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* @note the object identifiers for this MIB-2 and private MIB tree
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* must be kept in sorted ascending order. This to ensure correct getnext operation.
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*
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* @todo optimize htonl, ntohl.
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*/
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/*
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@ -105,17 +103,35 @@ static void snmp_get_value(struct obj_def *od, u16_t len, void *value);
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/* snmp .1.3.6.1.2.1.11 */
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const mib_scalar_node snmp_scalar = {
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&snmp_get_object_def,
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&snmp_get_value,
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MIB_NODE_SC,
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0
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};
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const s32_t snmp_ids[28] = {
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1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16,
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17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30
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};
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struct mib_node* const snmp_nodes[28] = {
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar,
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(struct mib_node* const)&snmp_scalar, (struct mib_node* const)&snmp_scalar
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};
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const struct mib_array_node snmp = {
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&snmp_get_object_def,
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&snmp_get_value,
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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28,
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snmp_ids,
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@ -150,24 +166,32 @@ const struct mib_array_node udpentry = {
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udpentry_nodes
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};
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const s32_t udptable_id = 1;
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struct mib_node* const udptable_node = (struct mib_node* const)&udpentry;
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const struct mib_array_node udptable = {
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s32_t udptable_id = 1;
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struct mib_node* udptable_node = (struct mib_node* const)&udpentry;
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struct mib_ram_array_node udptable = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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1,
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MIB_NODE_RA,
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0,
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&udptable_id,
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&udptable_node
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};
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const s32_t udp_ids[5] = { 1, 2, 3, 4, 5 };
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struct mib_node* const udp_nodes[5] = {
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NULL, NULL, NULL, NULL, (struct mib_node* const)&udptable
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};
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const struct mib_array_node udp = {
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const mib_scalar_node udp_scalar = {
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&udp_get_object_def,
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&udp_get_value,
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MIB_NODE_SC,
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0
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};
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const s32_t udp_ids[5] = { 1, 2, 3, 4, 5 };
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struct mib_node* const udp_nodes[5] = {
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(struct mib_node* const)&udp_scalar, (struct mib_node* const)&udp_scalar,
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(struct mib_node* const)&udp_scalar, (struct mib_node* const)&udp_scalar,
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(struct mib_node* const)&udptable
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};
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const struct mib_array_node udp = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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5,
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udp_ids,
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@ -189,36 +213,52 @@ struct mib_list_rootnode tcpconntree_root = {
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};
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const s32_t tcpconnentry_ids[5] = { 1, 2, 3, 4, 5 };
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struct mib_node* const tcpconnentry_nodes[5] = {
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NULL, NULL, NULL, NULL, NULL
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(struct mib_node* const)&tcpconntree_root, (struct mib_node* const)&tcpconntree_root,
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(struct mib_node* const)&tcpconntree_root, (struct mib_node* const)&tcpconntree_root,
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(struct mib_node* const)&tcpconntree_root
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};
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const struct mib_array_node tcpconnentry = {
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&tcpconnentry_get_object_def,
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&tcpconnentry_get_value,
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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5,
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tcpconnentry_ids,
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tcpconnentry_nodes
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};
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const s32_t tcpconntable_id = 1;
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struct mib_node* const tcpconntable_node = (struct mib_node* const)&tcpconnentry;
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const struct mib_array_node tcpconntable = {
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s32_t tcpconntable_id = 1;
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struct mib_node* tcpconntable_node = (struct mib_node* const)&tcpconnentry;
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struct mib_ram_array_node tcpconntable = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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1,
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MIB_NODE_RA,
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/** @todo update maxlength when inserting / deleting from table
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0 when table is empty, 1 when more than one entry */
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0,
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&tcpconntable_id,
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&tcpconntable_node
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};
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const s32_t tcp_ids[15] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
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struct mib_node* const tcp_nodes[15] = {
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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(struct mib_node* const)&tcpconntable, NULL, NULL
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};
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const struct mib_array_node tcp = {
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const mib_scalar_node tcp_scalar = {
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&tcp_get_object_def,
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&tcp_get_value,
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MIB_NODE_SC,
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0
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};
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const s32_t tcp_ids[15] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
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struct mib_node* const tcp_nodes[15] = {
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(struct mib_node* const)&tcp_scalar, (struct mib_node* const)&tcp_scalar,
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(struct mib_node* const)&tcp_scalar, (struct mib_node* const)&tcp_scalar,
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(struct mib_node* const)&tcp_scalar, (struct mib_node* const)&tcp_scalar,
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(struct mib_node* const)&tcp_scalar, (struct mib_node* const)&tcp_scalar,
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(struct mib_node* const)&tcp_scalar, (struct mib_node* const)&tcp_scalar,
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(struct mib_node* const)&tcp_scalar, (struct mib_node* const)&tcp_scalar,
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(struct mib_node* const)&tcpconntable, (struct mib_node* const)&tcp_scalar,
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(struct mib_node* const)&tcp_scalar
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};
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const struct mib_array_node tcp = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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15,
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tcp_ids,
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@ -227,14 +267,31 @@ const struct mib_array_node tcp = {
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#endif
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/* icmp .1.3.6.1.2.1.5 */
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const s32_t icmp_ids[26] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26 };
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struct mib_node* const icmp_nodes[26] = {
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
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};
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const struct mib_array_node icmp = {
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const mib_scalar_node icmp_scalar = {
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&icmp_get_object_def,
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&icmp_get_value,
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MIB_NODE_SC,
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0
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};
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const s32_t icmp_ids[26] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26 };
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struct mib_node* const icmp_nodes[26] = {
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar,
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(struct mib_node* const)&icmp_scalar, (struct mib_node* const)&icmp_scalar
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};
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const struct mib_array_node icmp = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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26,
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icmp_ids,
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@ -265,13 +322,13 @@ const struct mib_array_node ipntomentry = {
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ipntomentry_nodes
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};
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const s32_t ipntomtable_id = 1;
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struct mib_node* const ipntomtable_node = (struct mib_node* const)&ipntomentry;
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const struct mib_array_node ipntomtable = {
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s32_t ipntomtable_id = 1;
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struct mib_node* ipntomtable_node = (struct mib_node* const)&ipntomentry;
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struct mib_ram_array_node ipntomtable = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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1,
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MIB_NODE_RA,
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0,
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&ipntomtable_id,
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&ipntomtable_node
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};
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@ -305,13 +362,13 @@ const struct mib_array_node iprteentry = {
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iprteentry_nodes
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};
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const s32_t iprtetable_id = 1;
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struct mib_node* const iprtetable_node = (struct mib_node* const)&iprteentry;
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const struct mib_array_node iprtetable = {
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s32_t iprtetable_id = 1;
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struct mib_node* iprtetable_node = (struct mib_node* const)&iprteentry;
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struct mib_ram_array_node iprtetable = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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1,
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MIB_NODE_RA,
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0,
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&iprtetable_id,
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&iprtetable_node
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};
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@ -343,27 +400,42 @@ const struct mib_array_node ipaddrentry = {
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ipaddrentry_nodes
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};
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const s32_t ipaddrtable_id = 1;
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struct mib_node* const ipaddrtable_node = (struct mib_node* const)&ipaddrentry;
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const struct mib_array_node ipaddrtable = {
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s32_t ipaddrtable_id = 1;
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struct mib_node* ipaddrtable_node = (struct mib_node* const)&ipaddrentry;
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struct mib_ram_array_node ipaddrtable = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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1,
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MIB_NODE_RA,
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0,
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&ipaddrtable_id,
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&ipaddrtable_node
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};
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/* ip .1.3.6.1.2.1.4 */
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const s32_t ip_ids[23] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 };
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struct mib_node* const ip_nodes[23] = {
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, (struct mib_node* const)&ipaddrtable,
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(struct mib_node* const)&iprtetable, (struct mib_node* const)&ipntomtable, NULL
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};
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const struct mib_array_node ip = {
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const mib_scalar_node ip_scalar = {
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&ip_get_object_def,
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&ip_get_value,
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MIB_NODE_SC,
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0
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};
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const s32_t ip_ids[23] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 };
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struct mib_node* const ip_nodes[23] = {
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ip_scalar,
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ip_scalar,
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ip_scalar,
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ip_scalar,
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ip_scalar,
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ip_scalar,
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ip_scalar,
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ip_scalar,
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ip_scalar,
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(struct mib_node* const)&ip_scalar, (struct mib_node* const)&ipaddrtable,
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(struct mib_node* const)&iprtetable, (struct mib_node* const)&ipntomtable,
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(struct mib_node* const)&ip_scalar
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};
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const struct mib_array_node ip = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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23,
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ip_ids,
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@ -407,13 +479,13 @@ const struct mib_array_node attable = {
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};
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/* at .1.3.6.1.2.1.3 */
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const s32_t at_id = 1;
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struct mib_node* const at_node = (struct mib_node* const)&attable;
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const struct mib_array_node at = {
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s32_t at_id = 1;
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struct mib_node* at_node = (struct mib_node* const)&attable;
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struct mib_ram_array_node at = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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1,
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MIB_NODE_RA,
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0,
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&at_id,
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&at_node
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};
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@ -451,37 +523,57 @@ const struct mib_array_node ifentry = {
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ifentry_nodes
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};
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const s32_t iftable_id = 1;
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struct mib_node* const iftable_node = (struct mib_node* const)&ifentry;
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const struct mib_array_node iftable = {
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s32_t iftable_id = 1;
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struct mib_node* iftable_node = (struct mib_node* const)&ifentry;
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struct mib_ram_array_node iftable = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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1,
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MIB_NODE_RA,
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0,
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&iftable_id,
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&iftable_node
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};
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/* interfaces .1.3.6.1.2.1.2 */
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const s32_t interfaces_ids[2] = { 1, 2 };
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struct mib_node* const interfaces_nodes[2] = { NULL, (struct mib_node* const)&iftable };
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const struct mib_array_node interfaces = {
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const mib_scalar_node interfaces_scalar = {
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&interfaces_get_object_def,
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&interfaces_get_value,
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MIB_NODE_SC,
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0
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};
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const s32_t interfaces_ids[2] = { 1, 2 };
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struct mib_node* const interfaces_nodes[2] = {
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(struct mib_node* const)&interfaces_scalar, (struct mib_node* const)&iftable
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};
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const struct mib_array_node interfaces = {
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&noleafs_get_object_def,
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&noleafs_get_value,
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MIB_NODE_AR,
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2,
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interfaces_ids,
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interfaces_nodes
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};
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/* 0 1 2 3 4 5 6 */
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/* system .1.3.6.1.2.1.1 */
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const s32_t sys_tem_ids[7] = { 1, 2, 3, 4, 5, 6, 7 };
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struct mib_node* const sys_tem_nodes[7] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL };
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/* work around name issue with 'sys_tem', some compiler(s?) seem to reserve 'system' */
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const struct mib_array_node sys_tem = {
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const mib_scalar_node sys_tem_scalar = {
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&system_get_object_def,
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&system_get_value,
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MIB_NODE_SC,
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0
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};
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const s32_t sys_tem_ids[7] = { 1, 2, 3, 4, 5, 6, 7 };
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||||
struct mib_node* const sys_tem_nodes[7] = {
|
||||
(struct mib_node* const)&sys_tem_scalar, (struct mib_node* const)&sys_tem_scalar,
|
||||
(struct mib_node* const)&sys_tem_scalar, (struct mib_node* const)&sys_tem_scalar,
|
||||
(struct mib_node* const)&sys_tem_scalar, (struct mib_node* const)&sys_tem_scalar,
|
||||
(struct mib_node* const)&sys_tem_scalar
|
||||
};
|
||||
/* work around name issue with 'sys_tem', some compiler(s?) seem to reserve 'system' */
|
||||
const struct mib_array_node sys_tem = {
|
||||
&noleafs_get_object_def,
|
||||
&noleafs_get_value,
|
||||
MIB_NODE_AR,
|
||||
7,
|
||||
sys_tem_ids,
|
||||
@ -869,11 +961,15 @@ void snmp_inc_iflist(void)
|
||||
struct mib_list_node *if_node = NULL;
|
||||
|
||||
snmp_mib_node_insert(&iflist_root, iflist_root.count + 1, &if_node);
|
||||
/* enable getnext traversal on filled table */
|
||||
iftable.maxlength = 1;
|
||||
}
|
||||
|
||||
void snmp_dec_iflist(void)
|
||||
{
|
||||
snmp_mib_node_delete(&iflist_root, iflist_root.tail);
|
||||
/* disable getnext traversal on empty table */
|
||||
if(iflist_root.count == 0) iftable.maxlength = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -934,6 +1030,9 @@ void snmp_insert_arpidx_tree(struct netif *ni, struct ip_addr *ip)
|
||||
}
|
||||
}
|
||||
}
|
||||
/* enable getnext traversal on filled tables */
|
||||
at.maxlength = 1;
|
||||
ipntomtable.maxlength = 1;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -1005,6 +1104,9 @@ void snmp_delete_arpidx_tree(struct netif *ni, struct ip_addr *ip)
|
||||
}
|
||||
}
|
||||
}
|
||||
/* disable getnext traversal on empty tables */
|
||||
if(arptree_root.count == 0) at.maxlength = 0;
|
||||
if(ipntomtree_root.count == 0) ipntomtable.maxlength = 0;
|
||||
}
|
||||
|
||||
void snmp_inc_ipinreceives(void)
|
||||
@ -1133,6 +1235,8 @@ void snmp_insert_ipaddridx_tree(struct netif *ni)
|
||||
}
|
||||
level++;
|
||||
}
|
||||
/* enable getnext traversal on filled table */
|
||||
ipaddrtable.maxlength = 1;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -1194,6 +1298,8 @@ void snmp_delete_ipaddridx_tree(struct netif *ni)
|
||||
snmp_mib_lrn_free(next);
|
||||
}
|
||||
}
|
||||
/* disable getnext traversal on empty table */
|
||||
if (ipaddrtree_root.count == 0) ipaddrtable.maxlength = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -1258,6 +1364,8 @@ void snmp_insert_iprteidx_tree(u8_t dflt, struct netif *ni)
|
||||
level++;
|
||||
}
|
||||
}
|
||||
/* enable getnext traversal on filled table */
|
||||
iprtetable.maxlength = 1;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -1338,6 +1446,8 @@ void snmp_delete_iprteidx_tree(u8_t dflt, struct netif *ni)
|
||||
}
|
||||
}
|
||||
}
|
||||
/* disable getnext traversal on empty table */
|
||||
if (iprtetree_root.count == 0) iprtetable.maxlength = 0;
|
||||
}
|
||||
|
||||
|
||||
@ -1576,6 +1686,7 @@ void snmp_insert_udpidx_tree(struct udp_pcb *pcb)
|
||||
}
|
||||
}
|
||||
}
|
||||
udptable.maxlength = 1;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -1588,56 +1699,75 @@ void snmp_delete_udpidx_tree(struct udp_pcb *pcb)
|
||||
struct mib_list_node *udp_n, *del_n[5];
|
||||
struct ip_addr ip;
|
||||
s32_t udpidx[5];
|
||||
u8_t fc, level, del_cnt;
|
||||
u8_t bindings, fc, level, del_cnt;
|
||||
|
||||
LWIP_ASSERT("pcb != NULL", pcb != NULL);
|
||||
ip.addr = ntohl(pcb->local_ip.addr);
|
||||
snmp_iptooid(&ip, &udpidx[0]);
|
||||
udpidx[4] = pcb->local_port;
|
||||
|
||||
/* mark nodes for deletion */
|
||||
level = 0;
|
||||
del_cnt = 0;
|
||||
udp_rn = &udp_root;
|
||||
while ((level < 5) && (udp_rn != NULL))
|
||||
{
|
||||
fc = snmp_mib_node_find(udp_rn, udpidx[level], &udp_n);
|
||||
if (fc == 0)
|
||||
/* count PCBs for a given binding
|
||||
(e.g. when reusing ports or for temp output PCBs) */
|
||||
bindings = 0;
|
||||
pcb = udp_pcbs;
|
||||
while ((pcb != NULL))
|
||||
{
|
||||
if ((pcb->local_ip.addr == ip.addr) &&
|
||||
(pcb->local_port == udpidx[4]))
|
||||
{
|
||||
/* udpidx[level] does not exist */
|
||||
del_cnt = 0;
|
||||
udp_rn = NULL;
|
||||
bindings++;
|
||||
}
|
||||
else if (fc == 1)
|
||||
{
|
||||
del_rn[del_cnt] = udp_rn;
|
||||
del_n[del_cnt] = udp_n;
|
||||
del_cnt++;
|
||||
udp_rn = (struct mib_list_rootnode*)(udp_n->nptr);
|
||||
}
|
||||
else if (fc == 2)
|
||||
{
|
||||
/* reset delete (2 or more childs) */
|
||||
del_cnt = 0;
|
||||
udp_rn = (struct mib_list_rootnode*)(udp_n->nptr);
|
||||
}
|
||||
level++;
|
||||
pcb = pcb->next;
|
||||
}
|
||||
/* delete marked index nodes */
|
||||
while (del_cnt > 0)
|
||||
if (bindings == 1)
|
||||
{
|
||||
del_cnt--;
|
||||
|
||||
udp_rn = del_rn[del_cnt];
|
||||
udp_n = del_n[del_cnt];
|
||||
/* selectively remove */
|
||||
/* mark nodes for deletion */
|
||||
level = 0;
|
||||
del_cnt = 0;
|
||||
udp_rn = &udp_root;
|
||||
while ((level < 5) && (udp_rn != NULL))
|
||||
{
|
||||
fc = snmp_mib_node_find(udp_rn, udpidx[level], &udp_n);
|
||||
if (fc == 0)
|
||||
{
|
||||
/* udpidx[level] does not exist */
|
||||
del_cnt = 0;
|
||||
udp_rn = NULL;
|
||||
}
|
||||
else if (fc == 1)
|
||||
{
|
||||
del_rn[del_cnt] = udp_rn;
|
||||
del_n[del_cnt] = udp_n;
|
||||
del_cnt++;
|
||||
udp_rn = (struct mib_list_rootnode*)(udp_n->nptr);
|
||||
}
|
||||
else if (fc == 2)
|
||||
{
|
||||
/* reset delete (2 or more childs) */
|
||||
del_cnt = 0;
|
||||
udp_rn = (struct mib_list_rootnode*)(udp_n->nptr);
|
||||
}
|
||||
level++;
|
||||
}
|
||||
/* delete marked index nodes */
|
||||
while (del_cnt > 0)
|
||||
{
|
||||
del_cnt--;
|
||||
|
||||
udp_rn = del_rn[del_cnt];
|
||||
udp_n = del_n[del_cnt];
|
||||
|
||||
next = snmp_mib_node_delete(udp_rn, udp_n);
|
||||
if (next != NULL)
|
||||
{
|
||||
LWIP_ASSERT("next_count == 0",next->count == 0);
|
||||
snmp_mib_lrn_free(next);
|
||||
next = snmp_mib_node_delete(udp_rn, udp_n);
|
||||
if (next != NULL)
|
||||
{
|
||||
LWIP_ASSERT("next_count == 0",next->count == 0);
|
||||
snmp_mib_lrn_free(next);
|
||||
}
|
||||
}
|
||||
}
|
||||
/* disable getnext traversal on empty table */
|
||||
if (udp_root.count == 0) udptable.maxlength = 0;
|
||||
}
|
||||
|
||||
|
||||
@ -1817,7 +1947,10 @@ system_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
|
||||
{
|
||||
u8_t id;
|
||||
|
||||
if ((ident_len == 2) && (ident[1] == 0))
|
||||
/* return to object name, adding index depth (1) */
|
||||
ident_len += 1;
|
||||
ident -= 1;
|
||||
if (ident_len == 2)
|
||||
{
|
||||
od->id_inst_len = ident_len;
|
||||
od->id_inst_ptr = ident;
|
||||
@ -1938,7 +2071,10 @@ system_get_value(struct obj_def *od, u16_t len, void *value)
|
||||
static void
|
||||
interfaces_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
|
||||
{
|
||||
if ((ident_len == 2) && (ident[0] == 1) && (ident[1] == 0))
|
||||
/* return to object name, adding index depth (1) */
|
||||
ident_len += 1;
|
||||
ident -= 1;
|
||||
if (ident_len == 2)
|
||||
{
|
||||
od->id_inst_len = ident_len;
|
||||
od->id_inst_ptr = ident;
|
||||
@ -2329,7 +2465,10 @@ ip_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
|
||||
{
|
||||
u8_t id;
|
||||
|
||||
if ((ident_len == 2) && (ident[1] == 0))
|
||||
/* return to object name, adding index depth (1) */
|
||||
ident_len += 1;
|
||||
ident -= 1;
|
||||
if (ident_len == 2)
|
||||
{
|
||||
od->id_inst_len = ident_len;
|
||||
od->id_inst_ptr = ident;
|
||||
@ -2967,7 +3106,10 @@ ip_ntomentry_get_value(struct obj_def *od, u16_t len, void *value)
|
||||
static void
|
||||
icmp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
|
||||
{
|
||||
if ((ident_len == 2) && (ident[1] == 0) &&
|
||||
/* return to object name, adding index depth (1) */
|
||||
ident_len += 1;
|
||||
ident -= 1;
|
||||
if ((ident_len == 2) &&
|
||||
(ident[0] > 0) && (ident[0] < 27))
|
||||
{
|
||||
od->id_inst_len = ident_len;
|
||||
@ -3083,7 +3225,10 @@ tcp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
|
||||
{
|
||||
u8_t id;
|
||||
|
||||
if ((ident_len == 2) && (ident[1] == 0))
|
||||
/* return to object name, adding index depth (1) */
|
||||
ident_len += 1;
|
||||
ident -= 1;
|
||||
if (ident_len == 2)
|
||||
{
|
||||
od->id_inst_len = ident_len;
|
||||
od->id_inst_ptr = ident;
|
||||
@ -3282,7 +3427,10 @@ tcpconnentry_get_value(struct obj_def *od, u16_t len, void *value)
|
||||
static void
|
||||
udp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
|
||||
{
|
||||
if ((ident_len == 2) && (ident[1] == 0) &&
|
||||
/* return to object name, adding index depth (1) */
|
||||
ident_len += 1;
|
||||
ident -= 1;
|
||||
if ((ident_len == 2) &&
|
||||
(ident[0] > 0) && (ident[0] < 6))
|
||||
{
|
||||
od->id_inst_len = ident_len;
|
||||
@ -3409,7 +3557,10 @@ udpentry_get_value(struct obj_def *od, u16_t len, void *value)
|
||||
static void
|
||||
snmp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
|
||||
{
|
||||
if ((ident_len == 2) && (ident[1] == 0))
|
||||
/* return to object name, adding index depth (1) */
|
||||
ident_len += 1;
|
||||
ident -= 1;
|
||||
if (ident_len == 2)
|
||||
{
|
||||
u8_t id;
|
||||
|
||||
|
||||
@ -437,6 +437,8 @@ snmp_mib_node_delete(struct mib_list_rootnode *rn, struct mib_list_node *n)
|
||||
return next;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Searches tree for the supplied (scalar?) object identifier.
|
||||
*
|
||||
@ -544,7 +546,7 @@ snmp_search_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct obj
|
||||
else
|
||||
{
|
||||
/* search failed, object id points to unknown object (nosuchname) */
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("search failed, object not in this MIB"));
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("search failed, object not in this MIB\n"));
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
@ -615,6 +617,23 @@ snmp_search_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct obj
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
else if (node_type == MIB_NODE_SC)
|
||||
{
|
||||
mib_scalar_node *sn;
|
||||
|
||||
sn = (mib_scalar_node *)node;
|
||||
if ((ident_len == 1) && (*ident == 0))
|
||||
{
|
||||
sn->get_object_def(ident_len, ident, object_def);
|
||||
return (struct mib_node*)sn;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* search failed, short object identifier (nosuchname) */
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("search failed, short object identifier\n"));
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* unknown node_type */
|
||||
@ -627,11 +646,42 @@ snmp_search_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct obj
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* Test table for presence of at least one table entry.
|
||||
*/
|
||||
static u8_t
|
||||
empty_table(struct mib_node *node)
|
||||
{
|
||||
u8_t node_type;
|
||||
u8_t empty = 0;
|
||||
|
||||
if (node != NULL)
|
||||
{
|
||||
node_type = node->node_type;
|
||||
if (node_type == MIB_NODE_LR)
|
||||
{
|
||||
struct mib_list_rootnode *lrn;
|
||||
lrn = (struct mib_list_rootnode *)node;
|
||||
if ((lrn->count == 0) || (lrn->head == NULL))
|
||||
{
|
||||
empty = 1;
|
||||
}
|
||||
}
|
||||
else if ((node_type == MIB_NODE_AR) || (node_type == MIB_NODE_RA))
|
||||
{
|
||||
struct mib_array_node *an;
|
||||
an = (struct mib_array_node *)node;
|
||||
if ((an->maxlength == 0) || (an->nptr == NULL))
|
||||
{
|
||||
empty = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
return empty;
|
||||
}
|
||||
|
||||
/**
|
||||
* Tree expansion.
|
||||
*
|
||||
* @todo function ptrs for tabular items
|
||||
* if not empty add first index, nextThing.0 otherwise
|
||||
*/
|
||||
struct mib_node *
|
||||
snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret)
|
||||
@ -669,49 +719,12 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
if (an->nptr[i] == NULL)
|
||||
{
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("leaf node\n"));
|
||||
/* leaf node,
|
||||
if scalar: if ident_len == 1 add '.0', nextThing.0 otherwise */
|
||||
if (ident_len == 1)
|
||||
{
|
||||
oidret->id[oidret->len] = 0;
|
||||
(oidret->len)++;
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("ident_len == 1, added .0\n"));
|
||||
return (struct mib_node*)an;
|
||||
}
|
||||
else if ((i + 1) < an->maxlength)
|
||||
/* leaf node (e.g. in a fixed size table) */
|
||||
if ((i + 1) < an->maxlength)
|
||||
{
|
||||
(oidret->len)--;
|
||||
oidret->id[oidret->len] = an->objid[i + 1];
|
||||
(oidret->len)++;
|
||||
if (an->nptr[i + 1] == NULL)
|
||||
{
|
||||
oidret->id[oidret->len] = 0;
|
||||
(oidret->len)++;
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("(i + 1) < an->maxlength\n"));
|
||||
return (struct mib_node*)an;
|
||||
}
|
||||
else
|
||||
{
|
||||
struct nse cur_node;
|
||||
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("non-leaf node\n"));
|
||||
/* non-leaf, store right child ptr and id */
|
||||
if ((i + 2) < an->maxlength)
|
||||
{
|
||||
cur_node.r_ptr = an->nptr[i + 2];
|
||||
cur_node.r_id = an->objid[i + 2];
|
||||
}
|
||||
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);
|
||||
/* follow next child pointer */
|
||||
ident_len--;
|
||||
ident++;
|
||||
node = an->nptr[i+1];
|
||||
}
|
||||
(oidret->len)++;
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -721,14 +734,20 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
}
|
||||
else
|
||||
{
|
||||
u8_t j;
|
||||
struct nse cur_node;
|
||||
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("non-leaf node\n"));
|
||||
/* non-leaf, store right child ptr and id */
|
||||
if ((i + 1) < an->maxlength)
|
||||
j = i + 1;
|
||||
while ((j < an->maxlength) && (empty_table(an->nptr[j])))
|
||||
{
|
||||
cur_node.r_ptr = an->nptr[i + 1];
|
||||
cur_node.r_id = an->objid[i + 1];
|
||||
j++;
|
||||
}
|
||||
if (j < an->maxlength)
|
||||
{
|
||||
cur_node.r_ptr = an->nptr[j];
|
||||
cur_node.r_id = an->objid[j];
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -750,28 +769,38 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
}
|
||||
else
|
||||
{
|
||||
/* ident_len == 0, complete object identifier */
|
||||
/* add leftmost '.thing' */
|
||||
oidret->id[oidret->len] = an->objid[0];
|
||||
(oidret->len)++;
|
||||
if (an->nptr[0] == NULL)
|
||||
u8_t j;
|
||||
/* ident_len == 0, complete with leftmost '.thing' */
|
||||
j = 0;
|
||||
while ((j < an->maxlength) && empty_table(an->nptr[j]))
|
||||
{
|
||||
/* leaf node
|
||||
if scalar: add '.0' */
|
||||
oidret->id[oidret->len] = 0;
|
||||
j++;
|
||||
}
|
||||
if (j < an->maxlength)
|
||||
{
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("left an->objid[j]==%"S32_F"\n",an->objid[j]));
|
||||
oidret->id[oidret->len] = an->objid[j];
|
||||
(oidret->len)++;
|
||||
return (struct mib_node*)an;
|
||||
if (an->nptr[j] == NULL)
|
||||
{
|
||||
/* leaf node */
|
||||
return (struct mib_node*)an;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* no leaf, continue */
|
||||
node = an->nptr[j];
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* no leaf, continue */
|
||||
node = an->nptr[0];
|
||||
/* j == an->maxlength */
|
||||
climb_tree = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
else if(node_type == MIB_NODE_LR)
|
||||
{
|
||||
/** @todo need this for indexing tables */
|
||||
struct mib_list_rootnode *lrn;
|
||||
struct mib_list_node *ln;
|
||||
|
||||
@ -793,7 +822,6 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
if (ln->nptr == NULL)
|
||||
{
|
||||
/* leaf node */
|
||||
/** @todo if scalar: if ident_len == 1 add '.0', nextThing.0 otherwise */
|
||||
if (ln->next != NULL)
|
||||
{
|
||||
(oidret->len)--;
|
||||
@ -804,19 +832,25 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
}
|
||||
else
|
||||
{
|
||||
(oidret->len)--;
|
||||
(oidret->len)--;
|
||||
climb_tree = 1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
struct mib_list_node *jn;
|
||||
struct nse cur_node;
|
||||
|
||||
/* non-leaf, store right child ptr and id */
|
||||
if (ln->next != NULL)
|
||||
jn = ln->next;
|
||||
while ((jn != NULL) && empty_table(jn->nptr))
|
||||
{
|
||||
cur_node.r_ptr = ln->next->nptr;
|
||||
cur_node.r_id = ln->next->objid;
|
||||
jn = jn->next;
|
||||
}
|
||||
if (jn != NULL)
|
||||
{
|
||||
cur_node.r_ptr = jn->nptr;
|
||||
cur_node.r_id = jn->objid;
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -839,24 +873,58 @@ snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snm
|
||||
}
|
||||
else
|
||||
{
|
||||
/* ident_len == 0, complete object identifier */
|
||||
/* add leftmost '.thing' */
|
||||
oidret->id[oidret->len] = lrn->head->objid;
|
||||
(oidret->len)++;
|
||||
if (lrn->head->nptr == NULL)
|
||||
struct mib_list_node *jn;
|
||||
/* ident_len == 0, complete with leftmost '.thing' */
|
||||
jn = lrn->head;
|
||||
while ((jn != NULL) && empty_table(jn->nptr))
|
||||
{
|
||||
/* leaf node */
|
||||
/* @todo problem: if scalar add .0 */
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("lrn->head->nptr == NULL\n"));
|
||||
return (struct mib_node*)lrn;
|
||||
jn = jn->next;
|
||||
}
|
||||
if (jn != NULL)
|
||||
{
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("left jn->objid==%"S32_F"\n",jn->objid));
|
||||
oidret->id[oidret->len] = jn->objid;
|
||||
(oidret->len)++;
|
||||
if (jn->nptr == NULL)
|
||||
{
|
||||
/* leaf node */
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("jn->nptr == NULL\n"));
|
||||
return (struct mib_node*)lrn;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* no leaf, continue */
|
||||
node = jn->nptr;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* no leaf, continue */
|
||||
node = lrn->head->nptr;
|
||||
/* jn == NULL */
|
||||
climb_tree = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
else if(node_type == MIB_NODE_SC)
|
||||
{
|
||||
mib_scalar_node *sn;
|
||||
|
||||
/* scalar node */
|
||||
sn = (mib_scalar_node *)node;
|
||||
if (ident_len > 0)
|
||||
{
|
||||
/* at .0 */
|
||||
climb_tree = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* ident_len == 0, complete object identifier */
|
||||
oidret->id[oidret->len] = 0;
|
||||
(oidret->len)++;
|
||||
/* leaf node */
|
||||
LWIP_DEBUGF(SNMP_MIB_DEBUG,("completed scalar leaf\n"));
|
||||
return (struct mib_node*)sn;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* unknown/unhandled node_type */
|
||||
|
||||
@ -84,12 +84,12 @@ snmp_init(void)
|
||||
struct snmp_msg_pstat *msg_ps;
|
||||
u8_t i;
|
||||
|
||||
snmp1_pcb = udp_new();
|
||||
if (snmp1_pcb != NULL)
|
||||
{
|
||||
udp_recv(snmp1_pcb, snmp_recv, (void *)SNMP_IN_PORT);
|
||||
udp_bind(snmp1_pcb, IP_ADDR_ANY, SNMP_IN_PORT);
|
||||
}
|
||||
snmp1_pcb = udp_new();
|
||||
if (snmp1_pcb != NULL)
|
||||
{
|
||||
udp_recv(snmp1_pcb, snmp_recv, (void *)SNMP_IN_PORT);
|
||||
udp_bind(snmp1_pcb, IP_ADDR_ANY, SNMP_IN_PORT);
|
||||
}
|
||||
msg_ps = &msg_input_list[0];
|
||||
for (i=0; i<SNMP_CONCURRENT_REQUESTS; i++)
|
||||
{
|
||||
@ -318,8 +318,6 @@ snmp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr,
|
||||
|
||||
if (snmp_iso_prefix_expand(msg_ps->invb.head->ident_len, msg_ps->invb.head->ident, &oid))
|
||||
{
|
||||
/** @todo expand tree and complete oid */
|
||||
#if 1
|
||||
if (msg_ps->invb.head->ident_len > 3)
|
||||
{
|
||||
/* can offset ident_len and ident */
|
||||
@ -332,9 +330,6 @@ snmp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr,
|
||||
/* can't offset ident_len -4, ident + 4 */
|
||||
mn = snmp_expand_tree((struct mib_node*)&internet, 0, NULL, &oid);
|
||||
}
|
||||
#else
|
||||
mn = (struct mib_node*)&internet;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -344,9 +339,12 @@ snmp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr,
|
||||
{
|
||||
struct snmp_varbind *vb;
|
||||
|
||||
vb = snmp_varbind_alloc(&oid, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_NUL), 0);
|
||||
mn->get_object_def(1, &oid.id[oid.len - 1], &object_def);
|
||||
|
||||
vb = snmp_varbind_alloc(&oid, object_def.asn_type, object_def.v_len);
|
||||
if (vb != NULL)
|
||||
{
|
||||
mn->get_value(&object_def, object_def.v_len, vb->value);
|
||||
snmp_varbind_tail_add(&msg_ps->outvb, vb);
|
||||
}
|
||||
else
|
||||
|
||||
@ -75,14 +75,16 @@ struct obj_def
|
||||
s32_t *id_inst_ptr;
|
||||
};
|
||||
|
||||
/** MIB const scalar (.0) node */
|
||||
#define MIB_NODE_SC 0x01
|
||||
/** MIB const array node */
|
||||
#define MIB_NODE_AR 0x01
|
||||
#define MIB_NODE_AR 0x02
|
||||
/** MIB array node (mem_malloced from RAM) */
|
||||
#define MIB_NODE_RA 0x02
|
||||
#define MIB_NODE_RA 0x03
|
||||
/** MIB list root node (mem_malloced from RAM) */
|
||||
#define MIB_NODE_LR 0x03
|
||||
#define MIB_NODE_LR 0x04
|
||||
/** MIB node for external objects */
|
||||
#define MIB_NODE_EX 0x04
|
||||
#define MIB_NODE_EX 0x05
|
||||
|
||||
/** node "base class" layout, the mandatory fields for a node */
|
||||
struct mib_node
|
||||
@ -99,6 +101,9 @@ struct mib_node
|
||||
const u16_t maxlength;
|
||||
};
|
||||
|
||||
/** derived node for scalars .0 index */
|
||||
typedef struct mib_node mib_scalar_node;
|
||||
|
||||
/** derived node, points to a fixed size const array
|
||||
of sub-identifiers plus a 'child' pointer */
|
||||
struct mib_array_node
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user