diff options
Diffstat (limited to 'usr.sbin/bsnmpd/tools/libbsnmptools/bsnmpmap.c')
| -rw-r--r-- | usr.sbin/bsnmpd/tools/libbsnmptools/bsnmpmap.c | 1018 |
1 files changed, 1018 insertions, 0 deletions
diff --git a/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmpmap.c b/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmpmap.c new file mode 100644 index 0000000..a6d14a2 --- /dev/null +++ b/usr.sbin/bsnmpd/tools/libbsnmptools/bsnmpmap.c @@ -0,0 +1,1018 @@ +/*- + * Copyright (c) 2006 The FreeBSD Project + * All rights reserved. + * + * Author: Shteryana Shopova <syrinx@FreeBSD.org> + * + * Redistribution of this software and documentation and use in source and + * binary forms, with or without modification, are permitted provided that + * the following conditions are met: + * + * 1. Redistributions of source code or documentation must retain the above + * copyright notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/uio.h> + +#include <ctype.h> +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <syslog.h> +#include <unistd.h> + +#include <bsnmp/asn1.h> +#include <bsnmp/snmp.h> +#include "bsnmptc.h" +#include "bsnmptools.h" + +extern int _bsnmptools_debug; +#define DEBUG if (_bsnmptools_debug) fprintf + +/* Allocate memory and initialize list. */ +struct snmp_mappings * +snmp_mapping_init(void) +{ + struct snmp_mappings *m; + + if ((m = malloc(sizeof(struct snmp_mappings))) == NULL) { + syslog(LOG_ERR, "malloc() failed: %s", strerror(errno)); + return (NULL); + } + + memset(m, 0, sizeof(struct snmp_mappings)); + return (m); +} + +#define snmp_nodelist mappings->nodelist +#define snmp_intlist mappings->intlist +#define snmp_octlist mappings->octlist +#define snmp_oidlist mappings->oidlist +#define snmp_iplist mappings->iplist +#define snmp_ticklist mappings->ticklist +#define snmp_cntlist mappings->cntlist +#define snmp_gaugelist mappings->gaugelist +#define snmp_cnt64list mappings->cnt64list +#define snmp_enumlist mappings->enumlist +#define snmp_tablelist mappings->tablelist +#define snmp_tclist mappings->tclist + +void +enum_pairs_free(struct enum_pairs *headp) +{ + struct enum_pair *e; + + if (headp == NULL) + return; + + while ((e = STAILQ_FIRST(headp)) != NULL) { + STAILQ_REMOVE_HEAD(headp, link); + + if (e->enum_str) + free(e->enum_str); + free(e); + } + + free(headp); +} + +void +snmp_mapping_entryfree(struct snmp_oid2str *entry) +{ + if (entry->string) + free(entry->string); + + if (entry->tc == SNMP_TC_OWN) + enum_pairs_free(entry->snmp_enum); + + free(entry); +} + +static void +snmp_mapping_listfree(struct snmp_mapping *headp) +{ + struct snmp_oid2str *p; + + while ((p = SLIST_FIRST(headp)) != NULL) { + SLIST_REMOVE_HEAD(headp, link); + + if (p->string) + free(p->string); + + if (p->tc == SNMP_TC_OWN) + enum_pairs_free(p->snmp_enum); + free(p); + } + + SLIST_INIT(headp); +} + +void +snmp_index_listfree(struct snmp_idxlist *headp) +{ + struct index *i; + + while ((i = STAILQ_FIRST(headp)) != NULL) { + STAILQ_REMOVE_HEAD(headp, link); + if (i->tc == SNMP_TC_OWN) + enum_pairs_free(i->snmp_enum); + free(i); + } + + STAILQ_INIT(headp); +} + +static void +snmp_mapping_table_listfree(struct snmp_table_index *headp) +{ + struct snmp_index_entry *t; + + while ((t = SLIST_FIRST(headp)) != NULL) { + SLIST_REMOVE_HEAD(headp, link); + + if (t->string) + free(t->string); + + snmp_index_listfree(&(t->index_list)); + free(t); + } +} + +static void +snmp_enumtc_listfree(struct snmp_enum_tc *headp) +{ + struct enum_type *t; + + while ((t = SLIST_FIRST(headp)) != NULL) { + SLIST_REMOVE_HEAD(headp, link); + + if (t->name) + free(t->name); + enum_pairs_free(t->snmp_enum); + free(t); + } +} + +int +snmp_mapping_free(struct snmp_toolinfo *snmptoolctx) +{ + if (snmptoolctx == NULL || snmptoolctx->mappings == NULL) + return (-1); + + snmp_mapping_listfree(&snmptoolctx->snmp_nodelist); + snmp_mapping_listfree(&snmptoolctx->snmp_intlist); + snmp_mapping_listfree(&snmptoolctx->snmp_octlist); + snmp_mapping_listfree(&snmptoolctx->snmp_oidlist); + snmp_mapping_listfree(&snmptoolctx->snmp_iplist); + snmp_mapping_listfree(&snmptoolctx->snmp_ticklist); + snmp_mapping_listfree(&snmptoolctx->snmp_cntlist); + snmp_mapping_listfree(&snmptoolctx->snmp_gaugelist); + snmp_mapping_listfree(&snmptoolctx->snmp_cnt64list); + snmp_mapping_listfree(&snmptoolctx->snmp_enumlist); + snmp_mapping_table_listfree(&snmptoolctx->snmp_tablelist); + snmp_enumtc_listfree(&snmptoolctx->snmp_tclist); + free(snmptoolctx->mappings); + + return (0); +} + +static void +snmp_dump_enumpairs(struct enum_pairs *headp) +{ + struct enum_pair *entry; + + if (headp == NULL) + return; + + fprintf(stderr,"enums: "); + STAILQ_FOREACH(entry, headp, link) + fprintf(stderr,"%d - %s, ", entry->enum_val, + (entry->enum_str == NULL)?"NULL":entry->enum_str); + + fprintf(stderr,"; "); +} + +void +snmp_dump_oid2str(struct snmp_oid2str *entry) +{ + char buf[ASN_OIDSTRLEN]; + + if (entry != NULL) { + memset(buf, 0, sizeof(buf)); + asn_oid2str_r(&(entry->var), buf); + DEBUG(stderr, "%s - %s - %d - %d - %d", buf, entry->string, + entry->syntax, entry->access, entry->strlen); + snmp_dump_enumpairs(entry->snmp_enum); + DEBUG(stderr,"%s \n", (entry->table_idx == NULL)?"No table": + entry->table_idx->string); + } +} + +static void +snmp_dump_indexlist(struct snmp_idxlist *headp) +{ + struct index *entry; + + if (headp == NULL) + return; + + STAILQ_FOREACH(entry, headp, link) { + fprintf(stderr,"%d, ", entry->syntax); + snmp_dump_enumpairs(entry->snmp_enum); + } + + fprintf(stderr,"\n"); +} + +/* Initialize the enum pairs list of a oid2str entry. */ +struct enum_pairs * +enum_pairs_init(void) +{ + struct enum_pairs *snmp_enum; + + if ((snmp_enum = malloc(sizeof(struct enum_pairs))) == NULL) { + syslog(LOG_ERR, "malloc() failed: %s", strerror(errno)); + return (NULL); + } + + STAILQ_INIT(snmp_enum); + return (snmp_enum); +} + +/* + * Given a number and string, allocate memory for a (int, string) pair and add + * it to the given oid2str mapping entry's enum pairs list. + */ +int32_t +enum_pair_insert(struct enum_pairs *headp, int32_t enum_val, char *enum_str) +{ + struct enum_pair *e_new; + + if ((e_new = malloc(sizeof(struct enum_pair))) == NULL) { + syslog(LOG_ERR, "malloc() failed: %s", strerror(errno)); + return (-1); + } + + memset(e_new, 0, sizeof(struct enum_pair)); + + if ((e_new->enum_str = malloc(strlen(enum_str) + 1)) == NULL) { + syslog(LOG_ERR, "malloc() failed: %s", strerror(errno)); + free(e_new); + return (-1); + } + + e_new->enum_val = enum_val; + strlcpy(e_new->enum_str, enum_str, strlen(enum_str) + 1); + STAILQ_INSERT_TAIL(headp, e_new, link); + + return (1); + +} + +/* + * Insert an entry in a list - entries are lexicographicaly order by asn_oid. + * Returns 1 on success, -1 if list is not initialized, 0 if a matching oid already + * exists. Error cheking is left to calling function. + */ +static int +snmp_mapping_insert(struct snmp_mapping *headp, struct snmp_oid2str *entry) +{ + int32_t rc; + struct snmp_oid2str *temp, *prev; + + if (entry == NULL) + return(-1); + + if ((prev = SLIST_FIRST(headp)) == NULL || + asn_compare_oid(&(entry->var), &(prev->var)) < 0) { + SLIST_INSERT_HEAD(headp, entry, link); + return (1); + } else + rc = -1; /* Make the compiler happy. */ + + SLIST_FOREACH(temp, headp, link) { + if ((rc = asn_compare_oid(&(entry->var), &(temp->var))) <= 0) + break; + prev = temp; + rc = -1; + } + + switch (rc) { + case 0: + /* Ops, matching OIDs - hope the rest info also matches. */ + if (strncmp(temp->string, entry->string, entry->strlen)) { + syslog(LOG_INFO, "Matching OIDs with different string " + "mappings: old - %s, new - %s", temp->string, + entry->string); + return (-1); + } + /* + * Ok, we have that already. + * As long as the strings match - don't complain. + */ + return (0); + + case 1: + SLIST_INSERT_AFTER(temp, entry, link); + break; + + case -1: + SLIST_INSERT_AFTER(prev, entry, link); + break; + + default: + /* NOTREACHED */ + return (-1); + } + + return (1); +} + +int32_t +snmp_node_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_nodelist,entry)); + + return (-1); +} + +static int32_t +snmp_int_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_intlist,entry)); + + return (-1); +} + +static int32_t +snmp_oct_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_octlist,entry)); + + return (-1); +} + +static int32_t +snmp_oid_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_oidlist,entry)); + + return (-1); +} + +static int32_t +snmp_ip_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_iplist,entry)); + + return (-1); +} + +static int32_t +snmp_tick_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_ticklist,entry)); + + return (-1); +} + +static int32_t +snmp_cnt_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_cntlist,entry)); + + return (-1); +} + +static int32_t +snmp_gauge_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_gaugelist,entry)); + + return (-1); +} + +static int32_t +snmp_cnt64_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_cnt64list,entry)); + + return (-1); +} + +int32_t +snmp_enum_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + if (snmptoolctx != NULL && snmptoolctx->mappings) + return (snmp_mapping_insert(&snmptoolctx->snmp_enumlist,entry)); + + return (-1); +} + +int32_t +snmp_leaf_insert(struct snmp_toolinfo *snmptoolctx, struct snmp_oid2str *entry) +{ + switch (entry->syntax) { + case SNMP_SYNTAX_INTEGER: + return (snmp_int_insert(snmptoolctx, entry)); + case SNMP_SYNTAX_OCTETSTRING: + return (snmp_oct_insert(snmptoolctx, entry)); + case SNMP_SYNTAX_OID: + return (snmp_oid_insert(snmptoolctx, entry)); + case SNMP_SYNTAX_IPADDRESS: + return (snmp_ip_insert(snmptoolctx, entry)); + case SNMP_SYNTAX_COUNTER: + return (snmp_cnt_insert(snmptoolctx, entry)); + case SNMP_SYNTAX_GAUGE: + return (snmp_gauge_insert(snmptoolctx, entry)); + case SNMP_SYNTAX_TIMETICKS: + return (snmp_tick_insert(snmptoolctx, entry)); + case SNMP_SYNTAX_COUNTER64: + return (snmp_cnt64_insert(snmptoolctx, entry)); + default: + break; + } + + return (-1); +} + +static int32_t +snmp_index_insert(struct snmp_idxlist *headp, struct index *idx) +{ + if (headp == NULL || index == NULL) + return (-1); + + STAILQ_INSERT_TAIL(headp, idx, link); + return (1); +} + +int32_t +snmp_syntax_insert(struct snmp_idxlist *headp, struct enum_pairs *enums, + enum snmp_syntax syntax, enum snmp_tc tc) +{ + struct index *idx; + + if ((idx = malloc(sizeof(struct index))) == NULL) { + syslog(LOG_ERR, "malloc() failed: %s", strerror(errno)); + return (-1); + } + + memset(idx, 0, sizeof(struct index)); + + if (snmp_index_insert(headp, idx) < 0) { + free(idx); + return (-1); + } + + idx->syntax = syntax; + idx->snmp_enum = enums; + idx->tc = tc; + + return (1); +} + +int32_t +snmp_table_insert(struct snmp_toolinfo *snmptoolctx, + struct snmp_index_entry *entry) +{ + int32_t rc; + struct snmp_index_entry *temp, *prev; + + if (snmptoolctx == NULL || snmptoolctx->mappings == NULL || + entry == NULL) + return(-1); + + if ((prev = SLIST_FIRST(&snmptoolctx->snmp_tablelist)) == NULL || + asn_compare_oid(&(entry->var), &(prev->var)) < 0) { + SLIST_INSERT_HEAD(&snmptoolctx->snmp_tablelist, entry, link); + return (1); + } else + rc = -1; /* Make the compiler happy. */ + + SLIST_FOREACH(temp, &snmptoolctx->snmp_tablelist, link) { + if ((rc = asn_compare_oid(&(entry->var), &(temp->var))) <= 0) + break; + prev = temp; + rc = -1; + } + + switch (rc) { + case 0: + /* Ops, matching OIDs - hope the rest info also matches. */ + if (strncmp(temp->string, entry->string, entry->strlen)) { + syslog(LOG_INFO, "Matching OIDs with different string " + "mapping - old - %s, new - %s", temp->string, + entry->string); + return (-1); + } + return(0); + + case 1: + SLIST_INSERT_AFTER(temp, entry, link); + break; + + case -1: + SLIST_INSERT_AFTER(prev, entry, link); + break; + + default: + /* NOTREACHED */ + return (-1); + } + + return (1); +} + +struct enum_type * +snmp_enumtc_init(char *name) +{ + struct enum_type *enum_tc; + + if ((enum_tc = malloc(sizeof(struct enum_type))) == NULL) { + syslog(LOG_ERR, "malloc() failed: %s", strerror(errno)); + return (NULL); + } + + memset(enum_tc, 0, sizeof(struct enum_type)); + if ((enum_tc->name = malloc(strlen(name) + 1)) == NULL) { + syslog(LOG_ERR, "malloc() failed: %s", strerror(errno)); + free(enum_tc); + return (NULL); + } + strlcpy(enum_tc->name, name, strlen(name) + 1); + + return (enum_tc); +} + +void +snmp_enumtc_free(struct enum_type *tc) +{ + if (tc->name) + free(tc->name); + if (tc->snmp_enum) + enum_pairs_free(tc->snmp_enum); + free(tc); +} + +void +snmp_enumtc_insert(struct snmp_toolinfo *snmptoolctx, struct enum_type *entry) +{ + if (snmptoolctx == NULL || snmptoolctx->mappings == NULL) + return; /* XXX no error handling? */ + + SLIST_INSERT_HEAD(&snmptoolctx->snmp_tclist, entry, link); +} + +struct enum_type * +snmp_enumtc_lookup(struct snmp_toolinfo *snmptoolctx, char *name) +{ + struct enum_type *temp; + + if (snmptoolctx == NULL || snmptoolctx->mappings == NULL) + return (NULL); + + SLIST_FOREACH(temp, &snmptoolctx->snmp_tclist, link) { + if (strcmp(temp->name, name) == 0) + return (temp); + } + return (NULL); +} + +static void +snmp_mapping_dumplist(struct snmp_mapping *headp) +{ + char buf[ASN_OIDSTRLEN]; + struct snmp_oid2str *entry; + + if (headp == NULL) + return; + + SLIST_FOREACH(entry,headp,link) { + memset(buf, 0, sizeof(buf)); + asn_oid2str_r(&(entry->var), buf); + fprintf(stderr, "%s - %s - %d - %d - %d", buf, entry->string, + entry->syntax, entry->access ,entry->strlen); + fprintf(stderr," - %s \n", (entry->table_idx == NULL)? + "No table":entry->table_idx->string); + } +} + +static void +snmp_mapping_dumptable(struct snmp_table_index *headp) +{ + char buf[ASN_OIDSTRLEN]; + struct snmp_index_entry *entry; + + if (headp == NULL) + return; + + SLIST_FOREACH(entry, headp, link) { + memset(buf, 0, sizeof(buf)); + asn_oid2str_r(&(entry->var), buf); + fprintf(stderr,"%s - %s - %d - ", buf, entry->string, + entry->strlen); + snmp_dump_indexlist(&(entry->index_list)); + } +} + +void +snmp_mapping_dump(struct snmp_toolinfo *snmptoolctx /* int bits */) +{ + if (!_bsnmptools_debug) + return; + + if (snmptoolctx == NULL) { + fprintf(stderr,"No snmptool context!\n"); + return; + } + + if (snmptoolctx->mappings == NULL) { + fprintf(stderr,"No mappings!\n"); + return; + } + + fprintf(stderr,"snmp_nodelist:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_nodelist); + + fprintf(stderr,"snmp_intlist:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_intlist); + + fprintf(stderr,"snmp_octlist:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_octlist); + + fprintf(stderr,"snmp_oidlist:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_oidlist); + + fprintf(stderr,"snmp_iplist:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_iplist); + + fprintf(stderr,"snmp_ticklist:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_ticklist); + + fprintf(stderr,"snmp_cntlist:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_cntlist); + + fprintf(stderr,"snmp_gaugelist:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_gaugelist); + + fprintf(stderr,"snmp_cnt64list:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_cnt64list); + + fprintf(stderr,"snmp_enumlist:\n"); + snmp_mapping_dumplist(&snmptoolctx->snmp_enumlist); + + fprintf(stderr,"snmp_tablelist:\n"); + snmp_mapping_dumptable(&snmptoolctx->snmp_tablelist); +} + +char * +enum_string_lookup(struct enum_pairs *headp, int32_t enum_val) +{ + struct enum_pair *temp; + + if (headp == NULL) + return (NULL); + + STAILQ_FOREACH(temp, headp, link) { + if (temp->enum_val == enum_val) + return (temp->enum_str); + } + + return (NULL); +} + +int32_t +enum_number_lookup(struct enum_pairs *headp, char *e_str) +{ + struct enum_pair *tmp; + + if (headp == NULL) + return (-1); + + STAILQ_FOREACH(tmp, headp, link) + if (strncmp(tmp->enum_str, e_str, strlen(tmp->enum_str)) == 0) + return (tmp->enum_val); + + return (-1); +} + +static int32_t +snmp_lookuplist_string(struct snmp_mapping *headp, struct snmp_object *s) +{ + struct snmp_oid2str *temp; + + if (headp == NULL) + return (-1); + + SLIST_FOREACH(temp, headp, link) + if (asn_compare_oid(&(temp->var), &(s->val.var)) == 0) + break; + + if ((s->info = temp) == NULL) + return (-1); + + return (1); +} + +/* provided an asn_oid find the corresponding string for it */ +static int32_t +snmp_lookup_leaf(struct snmp_mapping *headp, struct snmp_object *s) +{ + struct snmp_oid2str *temp; + + if (headp == NULL) + return (-1); + + SLIST_FOREACH(temp,headp,link) { + if ((asn_compare_oid(&(temp->var), &(s->val.var)) == 0) || + (asn_is_suboid(&(temp->var), &(s->val.var)))) { + s->info = temp; + return (1); + } + } + + return (-1); +} + +int32_t +snmp_lookup_leafstring(struct snmp_toolinfo *snmptoolctx, struct snmp_object *s) +{ + if (snmptoolctx == NULL || snmptoolctx->mappings == NULL || s == NULL) + return (-1); + + switch (s->val.syntax) { + case SNMP_SYNTAX_INTEGER: + return (snmp_lookup_leaf(&snmptoolctx->snmp_intlist, s)); + case SNMP_SYNTAX_OCTETSTRING: + return (snmp_lookup_leaf(&snmptoolctx->snmp_octlist, s)); + case SNMP_SYNTAX_OID: + return (snmp_lookup_leaf(&snmptoolctx->snmp_oidlist, s)); + case SNMP_SYNTAX_IPADDRESS: + return (snmp_lookup_leaf(&snmptoolctx->snmp_iplist, s)); + case SNMP_SYNTAX_COUNTER: + return (snmp_lookup_leaf(&snmptoolctx->snmp_cntlist, s)); + case SNMP_SYNTAX_GAUGE: + return (snmp_lookup_leaf( + &snmptoolctx->snmp_gaugelist, s)); + case SNMP_SYNTAX_TIMETICKS: + return (snmp_lookup_leaf( + &snmptoolctx->snmp_ticklist, s)); + case SNMP_SYNTAX_COUNTER64: + return (snmp_lookup_leaf( + &snmptoolctx->snmp_cnt64list, s)); + case SNMP_SYNTAX_NOSUCHOBJECT: + /* FALLTHROUGH */ + case SNMP_SYNTAX_NOSUCHINSTANCE: + /* FALLTHROUGH */ + case SNMP_SYNTAX_ENDOFMIBVIEW: + return (snmp_lookup_allstring(snmptoolctx, s)); + default: + warnx("Unknown syntax - %d", s->val.syntax); + break; + } + + return (-1); +} + +int32_t +snmp_lookup_enumstring(struct snmp_toolinfo *snmptoolctx, struct snmp_object *s) +{ + if (snmptoolctx == NULL || snmptoolctx->mappings == NULL || s == NULL) + return (-1); + + return (snmp_lookuplist_string(&snmptoolctx->snmp_enumlist, s)); +} + +int32_t +snmp_lookup_oidstring(struct snmp_toolinfo *snmptoolctx, struct snmp_object *s) +{ + if (snmptoolctx == NULL || snmptoolctx->mappings == NULL || s == NULL) + return (-1); + + return (snmp_lookuplist_string(&snmptoolctx->snmp_oidlist, s)); +} + +int32_t +snmp_lookup_nodestring(struct snmp_toolinfo *snmptoolctx, struct snmp_object *s) +{ + if (snmptoolctx == NULL || snmptoolctx->mappings == NULL || s == NULL) + return (-1); + + return (snmp_lookuplist_string(&snmptoolctx->snmp_nodelist, s)); +} + +int32_t +snmp_lookup_allstring(struct snmp_toolinfo *snmptoolctx, struct snmp_object *s) +{ + if (snmptoolctx == NULL || snmptoolctx->mappings == NULL) + return (-1); + + if (snmp_lookup_leaf(&snmptoolctx->snmp_intlist, s) > 0) + return (1); + if (snmp_lookup_leaf(&snmptoolctx->snmp_octlist, s) > 0) + return (1); + if (snmp_lookup_leaf(&snmptoolctx->snmp_oidlist, s) > 0) + return (1); + if (snmp_lookup_leaf(&snmptoolctx->snmp_iplist, s) > 0) + return (1); + if (snmp_lookup_leaf(&snmptoolctx->snmp_cntlist, s) > 0) + return (1); + if (snmp_lookup_leaf(&snmptoolctx->snmp_gaugelist, s) > 0) + return (1); + if (snmp_lookup_leaf(&snmptoolctx->snmp_ticklist, s) > 0) + return (1); + if (snmp_lookup_leaf(&snmptoolctx->snmp_cnt64list, s) > 0) + return (1); + if (snmp_lookuplist_string(&snmptoolctx->snmp_enumlist, s) > 0) + return (1); + if (snmp_lookuplist_string(&snmptoolctx->snmp_nodelist, s) > 0) + return (1); + + return (-1); +} + +int32_t +snmp_lookup_nonleaf_string(struct snmp_toolinfo *snmptoolctx, + struct snmp_object *s) +{ + if (snmptoolctx == NULL) + return (-1); + + if (snmp_lookuplist_string(&snmptoolctx->snmp_nodelist, s) > 0) + return (1); + if (snmp_lookuplist_string(&snmptoolctx->snmp_enumlist, s) > 0) + return (1); + + return (-1); +} + +static int32_t +snmp_lookup_oidlist(struct snmp_mapping *hp, struct snmp_object *s, char *oid) +{ + struct snmp_oid2str *temp; + + if (hp == NULL) + return (-1); + + SLIST_FOREACH(temp, hp, link) { + if (temp->strlen != strlen(oid)) + continue; + + if (strncmp(temp->string, oid, temp->strlen)) + continue; + + s->val.syntax = temp->syntax; + s->info = temp; + asn_append_oid(&(s->val.var), &(temp->var)); + return (1); + } + + return (-1); +} + +static int32_t +snmp_lookup_tablelist(struct snmp_toolinfo *snmptoolctx, + struct snmp_table_index *headp, struct snmp_object *s, char *oid) +{ + struct snmp_index_entry *temp; + + if (snmptoolctx == NULL || headp == NULL) + return (-1); + + SLIST_FOREACH(temp, headp, link) { + if (temp->strlen != strlen(oid)) + continue; + + if (strncmp(temp->string, oid, temp->strlen)) + continue; + + /* + * Another hack here - if we were given a table name + * return the corresponding pointer to it's entry. + * That should not change the reponce we'll get. + */ + s->val.syntax = SNMP_SYNTAX_NULL; + asn_append_oid(&(s->val.var), &(temp->var)); + if (snmp_lookup_leaf(&snmptoolctx->snmp_nodelist, s) > 0) + return (1); + else + return (-1); + } + + return (-1); +} + +int32_t +snmp_lookup_oidall(struct snmp_toolinfo *snmptoolctx, struct snmp_object *s, + char *oid) +{ + if (snmptoolctx == NULL || s == NULL || oid == NULL) + return (-1); + + if (snmp_lookup_oidlist(&snmptoolctx->snmp_intlist, s, oid) > 0) + return (1); + if (snmp_lookup_oidlist(&snmptoolctx->snmp_octlist, s, oid) > 0) + return (1); + if (snmp_lookup_oidlist(&snmptoolctx->snmp_oidlist, s, oid) > 0) + return (1); + if (snmp_lookup_oidlist(&snmptoolctx->snmp_iplist, s, oid) > 0) + return (1); + if (snmp_lookup_oidlist(&snmptoolctx->snmp_ticklist, s, oid) > 0) + return (1); + if (snmp_lookup_oidlist(&snmptoolctx->snmp_cntlist, s, oid) > 0) + return (1); + if (snmp_lookup_oidlist(&snmptoolctx->snmp_gaugelist, s, oid) > 0) + return (1); + if (snmp_lookup_oidlist(&snmptoolctx->snmp_cnt64list, s, oid) > 0) + return (1); + if (snmp_lookup_oidlist(&snmptoolctx->snmp_nodelist, s, oid) > 0) + return (1); + if (snmp_lookup_tablelist(snmptoolctx, &snmptoolctx->snmp_tablelist, + s, oid) > 0) + return (1); + + return (-1); +} + +int32_t +snmp_lookup_enumoid(struct snmp_toolinfo *snmptoolctx, struct snmp_object *s, + char *oid) +{ + if (snmptoolctx == NULL || s == NULL) + return (-1); + + return (snmp_lookup_oidlist(&snmptoolctx->snmp_enumlist, s, oid)); +} + +int32_t +snmp_lookup_oid(struct snmp_toolinfo *snmptoolctx, struct snmp_object *s, + char *oid) +{ + if (snmptoolctx == NULL || s == NULL) + return (-1); + + switch (s->val.syntax) { + case SNMP_SYNTAX_INTEGER: + return (snmp_lookup_oidlist(&snmptoolctx->snmp_intlist, + s, oid)); + case SNMP_SYNTAX_OCTETSTRING: + return (snmp_lookup_oidlist(&snmptoolctx->snmp_octlist, + s, oid)); + case SNMP_SYNTAX_OID: + return (snmp_lookup_oidlist(&snmptoolctx->snmp_oidlist, + s, oid)); + case SNMP_SYNTAX_IPADDRESS: + return (snmp_lookup_oidlist(&snmptoolctx->snmp_iplist, + s, oid)); + case SNMP_SYNTAX_COUNTER: + return (snmp_lookup_oidlist(&snmptoolctx->snmp_cntlist, + s, oid)); + case SNMP_SYNTAX_GAUGE: + return (snmp_lookup_oidlist(&snmptoolctx->snmp_gaugelist, + s, oid)); + case SNMP_SYNTAX_TIMETICKS: + return (snmp_lookup_oidlist(&snmptoolctx->snmp_ticklist, + s, oid)); + case SNMP_SYNTAX_COUNTER64: + return (snmp_lookup_oidlist(&snmptoolctx->snmp_cnt64list, + s, oid)); + case SNMP_SYNTAX_NULL: + return (snmp_lookup_oidlist(&snmptoolctx->snmp_nodelist, + s, oid)); + default: + warnx("Unknown syntax - %d", s->val.syntax); + break; + } + + return (-1); +} |
