/*
* Read user input OID - one of following formats:
* 1) 1.2.1.1.2.1.0 - that is if option numeric was given;
* 2) string - in such case append .0 to the asn_oid subs;
* 3) string.1 - no additional processing required in such case.
*/
static char *
snmptools_parse_stroid(struct snmp_toolinfo *snmptoolctx,
struct snmp_object *obj, char *argv)
{
char string[MAXSTR], *str;
int32_t i = 0;
struct asn_oid in_oid;
str = argv;
if (*str == '.')
str++;
while (isalpha(*str) || *str == '_' || (i != 0 && isdigit(*str))) {
str++;
i++;
}
if (i <= 0 || i >= MAXSTR)
return (NULL);
memset(&in_oid, 0, sizeof(struct asn_oid));
if ((str = snmp_parse_suboid((argv + i), &in_oid)) == NULL) {
warnx("Invalid OID - %s", argv);
return (NULL);
}
strlcpy(string, argv, i + 1);
if (snmp_lookup_oidall(snmptoolctx, obj, string) < 0) {
warnx("No entry for %s in mapping lists", string);
return (NULL);
}
/* If OID given on command line append it. */
if (in_oid.len > 0)
asn_append_oid(&(obj->val.var), &in_oid);
else if (*str == '[') {
if ((str = snmp_parse_index(snmptoolctx, str + 1, obj)) == NULL)
return (NULL);
} else if (obj->val.syntax > 0 && GET_PDUTYPE(snmptoolctx) ==
SNMP_PDU_GET) {
if (snmp_suboid_append(&(obj->val.var), (asn_subid_t) 0) < 0)
return (NULL);
}
return (str);
}
static int
snmp_import_object(struct snmp_toolinfo *tool)
{
char *string;
int i;
enum tok tok;
struct snmp_oid2str *oid2str;
if (snmp_import_head(tool) < 0)
return (-1);
if ((oid2str = snmp_malloc(sizeof(struct snmp_oid2str))) == NULL) {
return (-1);
}
if ((string = snmp_malloc(strlen(nexttok) + 1)) == NULL) {
free(oid2str);
return (-1);
}
memset(oid2str, 0, sizeof(struct snmp_oid2str));
strlcpy(string, nexttok, strlen(nexttok) + 1);
oid2str->string = string;
oid2str->strlen = strlen(nexttok);
asn_append_oid(&(oid2str->var), &(current_oid));
if (snmp_suboid_append(&(oid2str->var), (asn_subid_t) val) < 0)
goto error;
/*
* Prepared the entry - now figure out where to insert it.
* After the object we have following options:
* 1) new line, blank, ) - then it is an enum oid -> goes to snmp_enumlist
* 2) new line , ( - nonleaf oid -> goes to snmp_nodelist
* 2) ':' - this is table entry - a variable length SYNTAX_TYPE (one or more) may follow
* and second string must end line -> goes to snmp_tablelist
* 3) OID , string ) - this is a trap entry or maybe leaf -> snmp_oidlist
* 4) SYNTAX_TYPE, string (not always), get/set modifier - always last and )- this is definitely a leaf
*/
switch (tok = gettoken(tool)) {
case TOK_RPAREN:
if ((i = snmp_enum_insert(tool, oid2str)) < 0)
goto error;
if (i == 0) {
free(oid2str->string);
free(oid2str);
}
return (1);
case TOK_LPAREN:
if (snmp_suboid_append(¤t_oid, (asn_subid_t) val) < 0)
goto error;
/*
* Ignore the error for nodes since the .def files currently
* contain different strings for 1.3.6.1.2.1 - mibII. Only
* make sure the memory is freed and don't complain.
*/
if ((i = snmp_node_insert(tool, oid2str)) <= 0) {
free(string);
free(oid2str);
}
return (snmp_import_object(tool));
case TOK_COLON:
if (snmp_suboid_append(¤t_oid, (asn_subid_t) val) < 0)
goto error;
if (snmp_import_table(tool, oid2str) < 0)
goto error;
/* a different table entry type was malloced and the data is contained there */
free(oid2str);
return (1);
case TOK_TYPE:
/* FALLTHROUGH */
case TOK_DEFTYPE:
/* FALLTHROUGH */
case TOK_ENUM:
if (snmp_import_leaf(tool, &tok, oid2str) < 0)
goto error;
return (1);
default:
warnx("Unexpected token at line %d - %s", input->lno, input->fname);
break;
}
error:
snmp_mapping_entryfree(oid2str);
return (-1);
}
static int32_t
snmp_import_object(struct snmp_toolinfo *snmptoolctx)
{
char *string;
int i;
int32_t tok;
struct snmp_oid2str *oid2str;
if (snmp_import_head(snmptoolctx) < 0)
return (-1);
if ((oid2str = calloc(1, sizeof(struct snmp_oid2str))) == NULL) {
syslog(LOG_ERR, "calloc() failed: %s", strerror(errno));
return (-1);
}
if ((string = strdup(nexttok)) == NULL) {
syslog(LOG_ERR, "strdup() failed: %s", strerror(errno));
free(oid2str);
return (-1);
}
oid2str->string = string;
oid2str->strlen = strlen(nexttok);
asn_append_oid(&(oid2str->var), &(current_oid));
if (snmp_suboid_append(&(oid2str->var), (asn_subid_t) val) < 0)
goto error;
/*
* Prepared the entry - now figure out where to insert it.
* After the object we have following options:
* 1) new line, blank, ) - then it is an enum oid -> snmp_enumlist;
* 2) new line , ( - nonleaf oid -> snmp_nodelist;
* 2) ':' - table entry - a variable length SYNTAX_TYPE (one or more)
* may follow and second string must end line -> snmp_tablelist;
* 3) OID , string ) - this is a trap entry or a leaf -> snmp_oidlist;
* 4) SYNTAX_TYPE, string (not always), get/set modifier - always last
* and )- this is definitely a leaf.
*/
switch (tok = gettoken(snmptoolctx)) {
case ')':
if ((i = snmp_enum_insert(snmptoolctx, oid2str)) < 0)
goto error;
if (i == 0) {
free(oid2str->string);
free(oid2str);
}
return (1);
case '(':
if (snmp_suboid_append(¤t_oid, (asn_subid_t) val) < 0)
goto error;
/*
* Ignore the error for nodes since the .def files currently
* contain different strings for 1.3.6.1.2.1 - mibII. Only make
* sure the memory is freed and don't complain.
*/
if ((i = snmp_node_insert(snmptoolctx, oid2str)) <= 0) {
free(string);
free(oid2str);
}
return (snmp_import_object(snmptoolctx));
case ':':
if (snmp_suboid_append(¤t_oid, (asn_subid_t) val) < 0)
goto error;
if (snmp_import_table(snmptoolctx, oid2str) < 0)
goto error;
/*
* A different table entry type was malloced and the data is
* contained there.
*/
free(oid2str);
return (1);
case TOK_TYPE:
/* FALLTHROUGH */
case TOK_DEFTYPE:
/* FALLTHROUGH */
case TOK_ENUM:
/* FALLTHROUGH */
case TOK_BITS:
if (snmp_import_leaf(snmptoolctx, &tok, oid2str) < 0)
goto error;
return (1);
default:
warnx("Unexpected token at line %d - %s", input->lno,
input->fname);
break;
}
error:
snmp_mapping_entryfree(oid2str);
return (-1);
}
