diff options
Diffstat (limited to 'contrib/bsnmp/lib/snmp.h')
| -rw-r--r-- | contrib/bsnmp/lib/snmp.h | 145 |
1 files changed, 125 insertions, 20 deletions
diff --git a/contrib/bsnmp/lib/snmp.h b/contrib/bsnmp/lib/snmp.h index 43af22e..3a6cec7 100644 --- a/contrib/bsnmp/lib/snmp.h +++ b/contrib/bsnmp/lib/snmp.h @@ -5,6 +5,13 @@ * * Author: Harti Brandt <harti@freebsd.org> * + * Copyright (c) 2010 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by Shteryana Sotirova Shopova + * under sponsorship from the FreeBSD Foundation. + * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -35,8 +42,11 @@ #include <sys/types.h> -#define SNMP_COMMUNITY_MAXLEN 128 -#define SNMP_MAX_BINDINGS 100 +#define SNMP_COMMUNITY_MAXLEN 128 +#define SNMP_MAX_BINDINGS 100 +#define SNMP_CONTEXT_NAME_SIZ (32 + 1) +#define SNMP_ENGINE_ID_SIZ 32 +#define SNMP_TIME_WINDOW 150 enum snmp_syntax { SNMP_SYNTAX_NULL = 0, @@ -75,33 +85,110 @@ struct snmp_value { enum snmp_version { SNMP_Verr = 0, SNMP_V1 = 1, - SNMP_V2c, + SNMP_V2c = 2, + SNMP_V3, +}; + +#define SNMP_ADM_STR32_SIZ (32 + 1) +#define SNMP_AUTH_KEY_SIZ 40 +#define SNMP_PRIV_KEY_SIZ 32 +#define SNMP_USM_AUTH_SIZE 12 +#define SNMP_USM_PRIV_SIZE 8 +#define SNMP_AUTH_HMACMD5_KEY_SIZ 16 +#define SNMP_AUTH_HMACSHA_KEY_SIZ 20 +#define SNMP_PRIV_AES_KEY_SIZ 16 +#define SNMP_PRIV_DES_KEY_SIZ 8 + + +enum snmp_secmodel { + SNMP_SECMODEL_ANY = 0, + SNMP_SECMODEL_SNMPv1 = 1, + SNMP_SECMODEL_SNMPv2c = 2, + SNMP_SECMODEL_USM = 3, + SNMP_SECMODEL_UNKNOWN +}; + +enum snmp_usm_level { + SNMP_noAuthNoPriv = 1, + SNMP_authNoPriv = 2, + SNMP_authPriv = 3 +}; + +enum snmp_authentication { + SNMP_AUTH_NOAUTH = 0, + SNMP_AUTH_HMAC_MD5, + SNMP_AUTH_HMAC_SHA +}; + +enum snmp_privacy { + SNMP_PRIV_NOPRIV = 0, + SNMP_PRIV_DES = 1, + SNMP_PRIV_AES +}; + +struct snmp_engine { + uint8_t engine_id[SNMP_ENGINE_ID_SIZ]; + uint32_t engine_len; + int32_t engine_boots; + int32_t engine_time; + int32_t max_msg_size; +}; + +struct snmp_user { + char sec_name[SNMP_ADM_STR32_SIZ]; + enum snmp_authentication auth_proto; + enum snmp_privacy priv_proto; + uint8_t auth_key[SNMP_AUTH_KEY_SIZ]; + uint8_t priv_key[SNMP_PRIV_KEY_SIZ]; }; struct snmp_pdu { - char community[SNMP_COMMUNITY_MAXLEN + 1]; - enum snmp_version version; - u_int type; + char community[SNMP_COMMUNITY_MAXLEN + 1]; + enum snmp_version version; + u_int type; + + /* SNMPv3 PDU header fields */ + int32_t identifier; + uint8_t flags; + int32_t security_model; + struct snmp_engine engine; + + /* Associated USM user parameters */ + struct snmp_user user; + uint8_t msg_digest[SNMP_USM_AUTH_SIZE]; + uint8_t msg_salt[SNMP_USM_PRIV_SIZE]; + + /* View-based Access Model */ + /* XXX: put in separate structure - conflicts with struct snmp_context */ + uint32_t context_engine_len; + uint8_t context_engine[SNMP_ENGINE_ID_SIZ]; + char context_name[SNMP_CONTEXT_NAME_SIZ]; /* trap only */ - struct asn_oid enterprise; - u_char agent_addr[4]; - int32_t generic_trap; - int32_t specific_trap; - uint32_t time_stamp; + struct asn_oid enterprise; + u_char agent_addr[4]; + int32_t generic_trap; + int32_t specific_trap; + uint32_t time_stamp; /* others */ - int32_t request_id; - int32_t error_status; - int32_t error_index; + int32_t request_id; + int32_t error_status; + int32_t error_index; /* fixes for encoding */ - u_char *outer_ptr; - u_char *pdu_ptr; - u_char *vars_ptr; + size_t outer_len; + size_t scoped_len; + u_char *outer_ptr; + u_char *digest_ptr; + u_char *encrypted_ptr; + u_char *scoped_ptr; + u_char *pdu_ptr; + u_char *vars_ptr; + - struct snmp_value bindings[SNMP_MAX_BINDINGS]; - u_int nbindings; + struct snmp_value bindings[SNMP_MAX_BINDINGS]; + u_int nbindings; }; #define snmp_v1_pdu snmp_pdu @@ -150,20 +237,38 @@ enum snmp_code { SNMP_CODE_BADLEN, SNMP_CODE_BADENC, SNMP_CODE_OORANGE, + SNMP_CODE_BADSECLEVEL, + SNMP_CODE_NOTINTIME, + SNMP_CODE_BADUSER, + SNMP_CODE_BADENGINE, + SNMP_CODE_BADDIGEST, + SNMP_CODE_EDECRYPT }; +#define SNMP_MSG_AUTH_FLAG 0x1 +#define SNMP_MSG_PRIV_FLAG 0x2 +#define SNMP_MSG_REPORT_FLAG 0x4 +#define SNMP_MSG_AUTODISCOVER 0x80 + void snmp_value_free(struct snmp_value *); int snmp_value_parse(const char *, enum snmp_syntax, union snmp_values *); int snmp_value_copy(struct snmp_value *, const struct snmp_value *); void snmp_pdu_free(struct snmp_pdu *); enum snmp_code snmp_pdu_decode(struct asn_buf *b, struct snmp_pdu *pdu, int32_t *); -enum snmp_code snmp_pdu_encode(struct snmp_pdu *pdu, struct asn_buf *resp_b); +enum snmp_code snmp_pdu_decode_header(struct asn_buf *, struct snmp_pdu *); +enum snmp_code snmp_pdu_decode_scoped(struct asn_buf *, struct snmp_pdu *, int32_t *); +enum snmp_code snmp_pdu_encode(struct snmp_pdu *, struct asn_buf *); +enum snmp_code snmp_pdu_decode_secmode(struct asn_buf *, struct snmp_pdu *); int snmp_pdu_snoop(const struct asn_buf *); void snmp_pdu_dump(const struct snmp_pdu *pdu); +enum snmp_code snmp_passwd_to_keys(struct snmp_user *, char *); +enum snmp_code snmp_get_local_keys(struct snmp_user *, uint8_t *, uint32_t); +enum snmp_code snmp_calc_keychange(struct snmp_user *, uint8_t *); + extern void (*snmp_error)(const char *, ...); extern void (*snmp_printf)(const char *, ...); |
