int
setPass(int action, u_char * var_val, u_char var_val_type,
size_t var_val_len, u_char * statP, oid * name, size_t name_len)
{
int i, rtest;
struct extensible *passthru;
char buf[SNMP_MAXBUF], buf2[SNMP_MAXBUF];
for (i = 1; i <= numpassthrus; i++) {
passthru = get_exten_instance(passthrus, i);
rtest = snmp_oidtree_compare(name, name_len,
passthru->miboid, passthru->miblen);
if (rtest <= 0) {
if (action != ACTION)
return SNMP_ERR_NOERROR;
/*
* setup args
*/
if (passthru->miblen >= name_len || rtest < 0)
sprint_mib_oid(buf, passthru->miboid, passthru->miblen);
else
sprint_mib_oid(buf, name, name_len);
snprintf(passthru->command, sizeof(passthru->command),
"%s -s %s ", passthru->name, buf);
passthru->command[ sizeof(passthru->command)-1 ] = 0;
netsnmp_internal_pass_set_format(buf, var_val, var_val_type, var_val_len);
strlcat(passthru->command, buf, sizeof(passthru->command));
DEBUGMSGTL(("ucd-snmp/pass", "pass-running: %s",
passthru->command));
exec_command(passthru);
DEBUGMSGTL(("ucd-snmp/pass", "pass-running returned: %s",
passthru->output));
return netsnmp_internal_pass_str_to_errno(passthru->output);
}
}
if (snmp_get_do_debugging()) {
sprint_mib_oid(buf2, name, name_len);
DEBUGMSGTL(("ucd-snmp/pass", "pass-notfound: %s\n", buf2));
}
return SNMP_ERR_NOSUCHNAME;
}
void
print_mib_oid(oid name[], size_t len)
{
char *buffer;
buffer = (char *) malloc(11 * len); /* maximum digit lengths for int32 + a '.' */
if (!buffer) {
snmp_log(LOG_ERR, "Malloc failed - out of memory?");
return;
}
sprint_mib_oid(buffer, name, len);
snmp_log(LOG_NOTICE, "Mib: %s\n", buffer);
free(buffer);
}
int
setPassPersist(int action,
u_char * var_val,
u_char var_val_type,
size_t var_val_len,
u_char * statP, oid * name, size_t name_len)
{
int i, rtest;
struct extensible *persistpassthru;
char buf[SNMP_MAXBUF], buf2[SNMP_MAXBUF];
/*
* Make sure that our basic pipe structure is malloced
*/
init_persist_pipes();
for (i = 1; i <= numpersistpassthrus; i++) {
persistpassthru = get_exten_instance(persistpassthrus, i);
rtest = snmp_oidtree_compare(name, name_len,
persistpassthru->miboid,
persistpassthru->miblen);
if (rtest <= 0) {
if (action != ACTION)
return SNMP_ERR_NOERROR;
/*
* setup args
*/
if (persistpassthru->miblen >= name_len || rtest < 0)
sprint_mib_oid(buf, persistpassthru->miboid,
persistpassthru->miblen);
else
sprint_mib_oid(buf, name, name_len);
snprintf(persistpassthru->command,
sizeof(persistpassthru->command), "set\n%s\n", buf);
persistpassthru->command[ sizeof(persistpassthru->command)-1 ] = 0;
netsnmp_internal_pass_set_format(buf, var_val, var_val_type, var_val_len);
strlcat(persistpassthru->command, buf,
sizeof(persistpassthru->command));
persistpassthru->command[ sizeof(persistpassthru->command)-2 ] = '\n';
persistpassthru->command[ sizeof(persistpassthru->command)-1 ] = 0;
if (!open_persist_pipe(i, persistpassthru->name)) {
return SNMP_ERR_NOTWRITABLE;
}
DEBUGMSGTL(("ucd-snmp/pass_persist",
"persistpass-writing: %s\n",
persistpassthru->command));
if (!write_persist_pipe(i, persistpassthru->command)) {
close_persist_pipe(i);
return SNMP_ERR_NOTWRITABLE;
}
if (fgets(buf, sizeof(buf), persist_pipes[i].fIn) == NULL) {
close_persist_pipe(i);
return SNMP_ERR_NOTWRITABLE;
}
return netsnmp_internal_pass_str_to_errno(buf);
}
}
if (snmp_get_do_debugging()) {
sprint_mib_oid(buf2, name, name_len);
DEBUGMSGTL(("ucd-snmp/pass_persist", "persistpass-notfound: %s\n",
buf2));
}
return SNMP_ERR_NOSUCHNAME;
}
u_char *
var_extensible_pass_persist(struct variable *vp,
oid * name,
size_t * length,
int exact,
size_t * var_len, WriteMethod ** write_method)
{
oid newname[MAX_OID_LEN];
int i, rtest, newlen;
char buf[SNMP_MAXBUF];
static char buf2[SNMP_MAXBUF];
struct extensible *persistpassthru;
FILE *file;
/*
* Make sure that our basic pipe structure is malloced
*/
init_persist_pipes();
for (i = 1; i <= numpersistpassthrus; i++) {
persistpassthru = get_exten_instance(persistpassthrus, i);
rtest = snmp_oidtree_compare(name, *length,
persistpassthru->miboid,
persistpassthru->miblen);
if ((exact && rtest == 0) || (!exact && rtest <= 0)) {
/*
* setup args
*/
if (persistpassthru->miblen >= *length || rtest < 0)
sprint_mib_oid(buf, persistpassthru->miboid,
persistpassthru->miblen);
else
sprint_mib_oid(buf, name, *length);
/*
* Open our pipe if necessary
*/
if (!open_persist_pipe(i, persistpassthru->name)) {
return (NULL);
}
if (exact)
snprintf(persistpassthru->command,
sizeof(persistpassthru->command), "get\n%s\n", buf);
else
snprintf(persistpassthru->command,
sizeof(persistpassthru->command), "getnext\n%s\n", buf);
persistpassthru->command[ sizeof(persistpassthru->command)-1 ] = 0;
DEBUGMSGTL(("ucd-snmp/pass_persist",
"persistpass-sending:\n%s",
persistpassthru->command));
if (!write_persist_pipe(i, persistpassthru->command)) {
*var_len = 0;
/*
* close_persist_pipes is called in write_persist_pipe
*/
return (NULL);
}
/*
* valid call. Exec and get output
*/
if ((file = persist_pipes[i].fIn)) {
if (fgets(buf, sizeof(buf), file) == NULL) {
*var_len = 0;
close_persist_pipe(i);
return (NULL);
}
/*
* persistent scripts return "NONE\n" on invalid items
*/
if (!strncmp(buf, "NONE", 4)) {
if (exact) {
*var_len = 0;
return (NULL);
}
continue;
}
newlen = parse_miboid(buf, newname);
/*
* its good, so copy onto name/length
*/
memcpy((char *) name, (char *) newname,
(int) newlen * sizeof(oid));
*length = newlen;
/*
* set up return pointer for setable stuff
*/
*write_method = setPassPersist;
if (newlen == 0 || fgets(buf, sizeof(buf), file) == NULL
|| fgets(buf2, sizeof(buf2), file) == NULL) {
*var_len = 0;
close_persist_pipe(i);
return (NULL);
}
return netsnmp_internal_pass_parse(buf, buf2, var_len, vp);
}
*var_len = 0;
return (NULL);
}
}
if (var_len)
*var_len = 0;
*write_method = NULL;
return (NULL);
}
u_char *
var_extensible_pass(struct variable *vp,
oid * name,
size_t * length,
int exact,
size_t * var_len, WriteMethod ** write_method)
{
oid newname[MAX_OID_LEN];
int i, rtest, fd, newlen;
static long long_ret;
static in_addr_t addr_ret;
char buf[SNMP_MAXBUF];
static char buf2[SNMP_MAXBUF];
static oid objid[MAX_OID_LEN];
struct extensible *passthru;
FILE *file;
long_ret = *length;
for (i = 1; i <= numpassthrus; i++) {
passthru = get_exten_instance(passthrus, i);
rtest = snmp_oid_min_compare(name, *length,
passthru->miboid, passthru->miblen);
if ((exact && rtest == 0) || (!exact && rtest <= 0)) {
/*
* setup args
*/
if (passthru->miblen >= *length || rtest < 0)
sprint_mib_oid(buf, passthru->miboid, passthru->miblen);
else
sprint_mib_oid(buf, name, *length);
if (exact)
snprintf(passthru->command, sizeof(passthru->command),
"%s -g %s", passthru->name, buf);
else
snprintf(passthru->command, sizeof(passthru->command),
"%s -n %s", passthru->name, buf);
passthru->command[ sizeof(passthru->command)-1 ] = 0;
DEBUGMSGTL(("ucd-snmp/pass", "pass-running: %s\n",
passthru->command));
/*
* valid call. Exec and get output
*/
if ((fd = get_exec_output(passthru)) != -1) {
file = fdopen(fd, "r");
if (fgets(buf, sizeof(buf), file) == NULL) {
fclose(file);
wait_on_exec(passthru);
if (exact) {
/*
* to enable creation
*/
*write_method = setPass;
*var_len = 0;
return (NULL);
}
continue;
}
newlen = parse_miboid(buf, newname);
/*
* its good, so copy onto name/length
*/
memcpy((char *) name, (char *) newname,
(int) newlen * sizeof(oid));
*length = newlen;
/*
* set up return pointer for setable stuff
*/
*write_method = setPass;
if (newlen == 0 || fgets(buf, sizeof(buf), file) == NULL
|| fgets(buf2, sizeof(buf2), file) == NULL) {
*var_len = 0;
fclose(file);
wait_on_exec(passthru);
return (NULL);
}
fclose(file);
wait_on_exec(passthru);
/*
* buf contains the return type, and buf2 contains the data
*/
if (!strncasecmp(buf, "string", 6)) {
buf2[strlen(buf2) - 1] = 0; /* zap the linefeed */
*var_len = strlen(buf2);
vp->type = ASN_OCTET_STR;
return ((unsigned char *) buf2);
}
else if (!strncasecmp(buf, "integer64", 9)) {
static struct counter64 c64;
uint64_t v64 = strtoull(buf2, NULL, 10);
void * _c64 = (void *)&c64;
if (sizeof(long) > 4) { /* 64-bit machine */
c64.high = v64 >> 32;
c64.low = v64 & 0xffffffff;
}
else { /* 32-bit machine */
*(uint64_t *)_c64 = v64;
}
*var_len = sizeof(c64);
vp->type = ASN_INTEGER64;
return ((unsigned char *) &c64);
}
else if (!strncasecmp(buf, "integer", 7)) {
u_char *
var_extensible_pass(struct variable *vp,
oid * name,
size_t * length,
int exact,
size_t * var_len, WriteMethod ** write_method)
{
oid newname[MAX_OID_LEN];
int i, rtest, fd, newlen;
char buf[SNMP_MAXBUF];
static char buf2[SNMP_MAXBUF];
struct extensible *passthru;
FILE *file;
for (i = 1; i <= numpassthrus; i++) {
passthru = get_exten_instance(passthrus, i);
rtest = snmp_oidtree_compare(name, *length,
passthru->miboid, passthru->miblen);
if ((exact && rtest == 0) || (!exact && rtest <= 0)) {
/*
* setup args
*/
if (passthru->miblen >= *length || rtest < 0)
sprint_mib_oid(buf, passthru->miboid, passthru->miblen);
else
sprint_mib_oid(buf, name, *length);
if (exact)
snprintf(passthru->command, sizeof(passthru->command),
"%s -g %s", passthru->name, buf);
else
snprintf(passthru->command, sizeof(passthru->command),
"%s -n %s", passthru->name, buf);
passthru->command[ sizeof(passthru->command)-1 ] = 0;
DEBUGMSGTL(("ucd-snmp/pass", "pass-running: %s\n",
passthru->command));
/*
* valid call. Exec and get output
*/
if ((fd = get_exec_output(passthru)) != -1) {
file = fdopen(fd, "r");
if (fgets(buf, sizeof(buf), file) == NULL) {
fclose(file);
wait_on_exec(passthru);
if (exact) {
/*
* to enable creation
*/
*write_method = setPass;
*var_len = 0;
return (NULL);
}
continue;
}
newlen = parse_miboid(buf, newname);
/*
* its good, so copy onto name/length
*/
memcpy((char *) name, (char *) newname,
(int) newlen * sizeof(oid));
*length = newlen;
/*
* set up return pointer for setable stuff
*/
*write_method = setPass;
if (newlen == 0 || fgets(buf, sizeof(buf), file) == NULL
|| fgets(buf2, sizeof(buf2), file) == NULL) {
*var_len = 0;
fclose(file);
wait_on_exec(passthru);
return (NULL);
}
fclose(file);
wait_on_exec(passthru);
return netsnmp_internal_pass_parse(buf, buf2, var_len, vp);
}
*var_len = 0;
return (NULL);
}
}
if (var_len)
*var_len = 0;
*write_method = NULL;
return (NULL);
}
