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changes in subagent.c API

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This commit is contained in:
Vojtech Vilimek 2023-07-26 14:30:34 +02:00
parent 9f8950d4d7
commit 3c26f49107
2 changed files with 1046 additions and 453 deletions
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1424
proto/snmp/subagent.c
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File diff suppressed because it is too large Load Diff

75
proto/snmp/subagent.h
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@ -76,7 +76,7 @@ enum snmp_search_res {
put_u8(&h->version, v); \ put_u8(&h->version, v); \
put_u8(&h->type, t); \ put_u8(&h->type, t); \
put_u8(&h->flags, f); \ put_u8(&h->flags, f); \
put_u8(&h->pad, 0); put_u8(&h->pad, 0)
#ifdef SNMP_NATIVE #ifdef SNMP_NATIVE
#define SNMP_HEADER(h,t,f) SNMP_HEADER_(h, AGENTX_VERSION, t, f) #define SNMP_HEADER(h,t,f) SNMP_HEADER_(h, AGENTX_VERSION, t, f)
@ -85,14 +85,8 @@ enum snmp_search_res {
SNMP_HEADER_(h, AGENTX_VERSION, t, f | SNMP_NETWORK_BYTE_ORDER) SNMP_HEADER_(h, AGENTX_VERSION, t, f | SNMP_NETWORK_BYTE_ORDER)
#endif #endif
#define SNMP_B_HEADER(h, t) SNMP_HEADER(h, t, AGENTX_FLAG_BLANK)
#define SNMP_BLANK_HEADER(h, t) SNMP_HEADER(h, t, AGENTX_FLAG_BLANK) #define SNMP_BLANK_HEADER(h, t) SNMP_HEADER(h, t, AGENTX_FLAG_BLANK)
#define SNMP_CREATE(b, t, n) \
n = (void *) (b); \
memset(n, 0, sizeof(t)); \
(b) += sizeof(t);
#define SNMP_SESSION(h, p) \ #define SNMP_SESSION(h, p) \
STORE_U32(h->session_id, p->session_id); \ STORE_U32(h->session_id, p->session_id); \
STORE_U32(h->transaction_id, p->transaction_id); \ STORE_U32(h->transaction_id, p->transaction_id); \
@ -100,34 +94,30 @@ enum snmp_search_res {
#define LOAD(v, bo) ((bo) ? get_u32(&v) : (u32) (v)) #define LOAD(v, bo) ((bo) ? get_u32(&v) : (u32) (v))
#define LOAD_16(v, bo) ((bo) ? get_u16(&v) : (u16) (v)) #define LOAD_16(v, bo) ((bo) ? get_u16(&v) : (u16) (v))
#define LOAD_PTR(v, bo) ((bo) ? get_u32(v) : (u32) *(v)) #define LOAD_PTR(v, bo) ((bo) ? get_u32(v) : *((u32 *) v))
#define LOAD_STR(p, b, s, l, bo) \ #define LOAD_STR(proto, buf, str, length, byte_order) ({ \
l = LOAD(*((u32 *) b), bo); \ length = LOAD_PTR(buf, byte_order); \
log(L_INFO "LOAD_STR(), %p %u", p->p.pool, l + 1); \ log(L_INFO "LOAD_STR(), %p %u", proto->p.pool, length + 1); \
s = mb_alloc(p->p.pool, l + 1); \ str = mb_alloc(proto->p.pool, length + 1); \
memcpy(s, b, l); \ memcpy(str, buf, length); \
s[l] = '\0'; /* set term. char */ \ str[length] = '\0'; /* set term. char */ \
b += snmp_str_size(s); buf += snmp_str_size_from_len(length); })
#define SNMP_LOAD_CONTEXT(p, h, b, s, l) \ #define SNMP_LOAD_CONTEXT(proto, hdr, buf, cont, cont_len) \
cont = NULL; cont_len = 0; \
if (hdr->flags & AGENTX_NON_DEFAULT_CONTEXT) \
LOAD_STR(proto, buf, cont, cont_len, \
hdr->flags & AGENTX_NETWORK_BYTE_ORDER)
#define SNMP_HAS_CONTEXT(hdr) \
hdr->flags |= AGENTX_NON_DEFAULT_CONTEXT
#if 0
if (h->flags & AGENTX_NON_DEFAULT_CONTEXT) \ if (h->flags & AGENTX_NON_DEFAULT_CONTEXT) \
{ log(L_INFO "encountered non-default context"); \ { log(L_INFO "encountered non-default context"); \
LOAD_STR(p, b, s, l, h->flags & AGENTX_NETWORK_BYTE_ORDER); } LOAD_STR(p, b, s, l, h->flags & AGENTX_NETWORK_BYTE_ORDER); }
#endif
#define SNMP_COPY_OID(b, o) \
memcpy(b, o, snmp_oid_size(o)); \
b += snmp_oid_size(o);
#define SNMP_COPY_VB(b, s, e) \
memcpy(b, s, 4); \
b += 4; \
SNMP_COPY_OID(b, &s->name) \
SNMP_COPY_OID(b, e)
#define BGP_DATA_(varbind, type_, packet, offset) \
(varbind)->type = type_; \
packet += offset;
#define SNMP_PUT_OID(buf, size, oid, byte_ord) \ #define SNMP_PUT_OID(buf, size, oid, byte_ord) \
({ \ ({ \
@ -146,10 +136,10 @@ struct agentx_header {
u8 type; u8 type;
u8 flags; u8 flags;
u8 pad; u8 pad;
u32 session_id; u32 session_id; /* AgentX sessionID established by Open-PDU */
u32 transaction_id; u32 transaction_id; /* last transactionID seen/used */
u32 packet_id; u32 packet_id; /* last packetID seen/used */
u32 payload; /* length of the packet without header */ u32 payload; /* length of the packet without header */
}; };
#define AGENTX_HEADER_SIZE sizeof(struct agentx_header) #define AGENTX_HEADER_SIZE sizeof(struct agentx_header)
@ -183,7 +173,7 @@ struct agentx_getbulk {
struct agentx_response { struct agentx_response {
struct agentx_header h; struct agentx_header h;
u32 uptime; u32 uptime;
u16 err; u16 error;
u16 index; u16 index;
}; };
@ -204,14 +194,12 @@ struct agentx_bulk_state {
struct agentx_getbulk getbulk; struct agentx_getbulk getbulk;
u16 index; u16 index;
u16 repetition; u16 repetition;
byte* packet;
u16 failed;
}; };
struct snmp_error { //struct snmp_error {
struct oid *oid; // struct oid *oid;
uint type; // uint type;
}; //};
enum agentx_pdu { enum agentx_pdu {
AGENTX_OPEN_PDU = 1, AGENTX_OPEN_PDU = 1,
@ -258,8 +246,9 @@ enum agentx_close_reasons {
/* RESPONSE_PDU - result error */ /* RESPONSE_PDU - result error */
enum agentx_response_err { enum agentx_response_err {
/* response OK master <-> subagent */
AGENTX_RES_NO_ERROR = 0, AGENTX_RES_NO_ERROR = 0,
/* TEST_SET_PDU response errors */ /* TEST_SET_PDU response errors (subagent -> master) */
AGENTX_RES_GEN_ERROR = 5, AGENTX_RES_GEN_ERROR = 5,
AGENTX_RES_NO_ACCESS = 6, AGENTX_RES_NO_ACCESS = 6,
AGENTX_RES_WRONG_TYPE = 7, AGENTX_RES_WRONG_TYPE = 7,
@ -271,7 +260,7 @@ enum agentx_response_err {
AGENTX_RES_RESOURCE_UNAVAILABLE = 13, AGENTX_RES_RESOURCE_UNAVAILABLE = 13,
AGENTX_RES_NOT_WRITEABLE = 17, AGENTX_RES_NOT_WRITEABLE = 17,
AGENTX_RES_INCONSISTENT_NAME = 18, AGENTX_RES_INCONSISTENT_NAME = 18,
/* end of TEST_SET_PDU resonse errs */ /* end of TEST_SET_PDU resonse errs (master -> subagent) */
AGENTX_RES_OPEN_FAILED = 256, AGENTX_RES_OPEN_FAILED = 256,
AGENTX_RES_NOT_OPEN = 257, AGENTX_RES_NOT_OPEN = 257,
AGENTX_RES_INDEX_WRONG_TYPE = 258, AGENTX_RES_INDEX_WRONG_TYPE = 258,