void
extensible_parse_config(const char *token, char *cptr)
{
struct extensible *ptmp, **pp;
char *tcptr;
int scount;
/*
* allocate and clear memory structure
*/
ptmp = (struct extensible *) calloc(1, sizeof(struct extensible));
if (ptmp == NULL)
return; /* XXX memory alloc error */
if (*cptr == '.')
cptr++;
if (isdigit(*cptr)) {
/*
* its a relocatable extensible mib
*/
config_perror("WARNING: This output format is not valid, and is only retained for backward compatibility - Please consider using the 'extend' directive instead" );
for (pp = &relocs, numrelocs++; *pp; pp = &((*pp)->next));
(*pp) = ptmp;
pp = &relocs; scount = numrelocs;
} else {
/*
* it goes in with the general extensible table
*/
for (pp = &extens, numextens++; *pp; pp = &((*pp)->next));
(*pp) = ptmp;
pp = &extens; scount = numextens;
}
/*
* the rest is pretty much handled the same
*/
if (!strncasecmp(token, "sh", 2))
ptmp->type = SHPROC;
else
ptmp->type = EXECPROC;
if (isdigit(*cptr)) {
ptmp->miblen = parse_miboid(cptr, ptmp->miboid);
while (isdigit(*cptr) || *cptr == '.')
cptr++;
}
/*
* name
*/
cptr = skip_white(cptr);
copy_nword(cptr, ptmp->name, sizeof(ptmp->name));
cptr = skip_not_white(cptr);
cptr = skip_white(cptr);
/*
* command
*/
if (cptr == NULL) {
config_perror("No command specified on line");
} else {
/*
* Support multi-element commands in shell configuration
* lines, but truncate after the first command for 'exec'
*/
for (tcptr = cptr; *tcptr != 0 && *tcptr != '#'; tcptr++)
if (*tcptr == ';' && ptmp->type == EXECPROC)
break;
sprintf(ptmp->command, "%.*s", (int) (tcptr - cptr), cptr);
}
#ifdef NETSNMP_EXECFIXCMD
sprintf(ptmp->fixcmd, NETSNMP_EXECFIXCMD, ptmp->name);
#endif
if (ptmp->miblen > 0) {
/*
* For relocatable "exec" entries,
* register the new (not-strictly-valid) MIB subtree...
*/
register_mib(token,
(struct variable *) extensible_relocatable_variables,
sizeof(struct variable2),
sizeof(extensible_relocatable_variables) /
sizeof(*extensible_relocatable_variables),
ptmp->miboid, ptmp->miblen);
/*
* ... and ensure the entries are sorted by OID.
* This isn't needed for entries in the main extTable (which
* don't have MIB OIDs explicitly associated with them anyway)
*/
if (scount > 1 && pp != &extens) {
int i;
struct extensible **etmp = (struct extensible **)
malloc(((sizeof(struct extensible *)) * scount));
if (etmp == NULL)
return; /* XXX memory alloc error */
for (i = 0, ptmp = *pp;
i < scount && ptmp != 0; i++, ptmp = ptmp->next)
etmp[i] = ptmp;
qsort(etmp, scount, sizeof(struct extensible *),
pass_compare);
*pp = (struct extensible *) etmp[0];
ptmp = (struct extensible *) etmp[0];
for (i = 0; i < scount - 1; i++) {
ptmp->next = etmp[i + 1];
ptmp = ptmp->next;
}
ptmp->next = NULL;
free(etmp);
}
}
}
void
pass_persist_parse_config(const char *token, char *cptr)
{
struct extensible **ppass = &persistpassthrus, **etmp, *ptmp;
char *tcptr, *endopt;
int i;
long int priority;
/*
* options
*/
priority = DEFAULT_MIB_PRIORITY;
while (*cptr == '-') {
cptr++;
switch (*cptr) {
case 'p':
/* change priority level */
cptr++;
cptr = skip_white(cptr);
if (! isdigit((unsigned char)(*cptr))) {
config_perror("priority must be an integer");
return;
}
priority = strtol((const char*) cptr, &endopt, 0);
if ((priority == LONG_MIN) || (priority == LONG_MAX)) {
config_perror("priority under/overflow");
return;
}
cptr = endopt;
cptr = skip_white(cptr);
break;
default:
config_perror("unknown option for pass directive");
return;
}
}
/*
* MIB
*/
if (*cptr == '.')
cptr++;
if (!isdigit((unsigned char)(*cptr))) {
config_perror("second token is not a OID");
return;
}
numpersistpassthrus++;
while (*ppass != NULL)
ppass = &((*ppass)->next);
(*ppass) = (struct extensible *) malloc(sizeof(struct extensible));
if (*ppass == NULL)
return;
(*ppass)->type = PASSTHRU_PERSIST;
(*ppass)->miblen = parse_miboid(cptr, (*ppass)->miboid);
while (isdigit((unsigned char)(*cptr)) || *cptr == '.')
cptr++;
/*
* path
*/
cptr = skip_white(cptr);
if (cptr == NULL) {
config_perror("No command specified on pass_persist line");
(*ppass)->command[0] = 0;
} else {
for (tcptr = cptr; *tcptr != 0 && *tcptr != '#' && *tcptr != ';';
tcptr++);
sprintf((*ppass)->command, "%.*s", (int) (tcptr - cptr), cptr);
}
strlcpy((*ppass)->name, (*ppass)->command, sizeof((*ppass)->name));
(*ppass)->next = NULL;
register_mib_priority("pass_persist",
(struct variable *) extensible_persist_passthru_variables,
sizeof(struct variable2), 1, (*ppass)->miboid,
(*ppass)->miblen, priority);
/*
* argggg -- pasthrus must be sorted
*/
if (numpersistpassthrus > 1) {
etmp = (struct extensible **)
malloc(((sizeof(struct extensible *)) * numpersistpassthrus));
if (etmp == NULL)
return;
for (i = 0, ptmp = (struct extensible *) persistpassthrus;
i < numpersistpassthrus && ptmp != NULL; i++, ptmp = ptmp->next)
etmp[i] = ptmp;
qsort(etmp, numpersistpassthrus, sizeof(struct extensible *),
pass_persist_compare);
persistpassthrus = (struct extensible *) etmp[0];
ptmp = (struct extensible *) etmp[0];
for (i = 0; i < numpersistpassthrus - 1; i++) {
ptmp->next = etmp[i + 1];
ptmp = ptmp->next;
}
ptmp->next = NULL;
free(etmp);
}
}
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)) {
void extensible_parse_config(char *token, char* cptr)
{
struct extensible **pptmp;
struct extensible **pprelocs = &relocs;
struct extensible **ppexten = &extens;
char *tcptr;
if (*cptr == '.') cptr++;
if (isdigit(*cptr)) {
/* its a relocatable extensible mib */
while(*pprelocs != NULL)
pprelocs = &((*pprelocs)->next);
numrelocs++;
(*pprelocs) = (struct extensible *) malloc(sizeof(struct extensible));
pptmp = pprelocs;
} else {
/* it goes in with the general extensible table */
while(*ppexten != NULL)
ppexten = &((*ppexten)->next);
numextens++;
(*ppexten) =
(struct extensible *) malloc(sizeof(struct extensible));
pptmp = ppexten;
}
/* the rest is pretty much handled the same */
if (!strncasecmp(token,"sh",2))
(*pptmp)->type = SHPROC;
else
(*pptmp)->type = EXECPROC;
if (isdigit(*cptr)) {
(*pptmp)->miblen = parse_miboid(cptr,(*pptmp)->miboid);
while (isdigit(*cptr) || *cptr == '.') cptr++;
}
else {
(*pptmp)->miboid[0] = 0;
(*pptmp)->miblen = 0;
}
/* name */
cptr = skip_white(cptr);
copy_word(cptr,(*pptmp)->name);
cptr = skip_not_white(cptr);
cptr = skip_white(cptr);
/* command */
if (cptr == NULL) {
config_perror("No command specified on line");
(*pptmp)->command[0] = 0;
} else {
for(tcptr=cptr; *tcptr != 0 && *tcptr != '#' && *tcptr != ';';
tcptr++);
strncpy((*pptmp)->command,cptr,tcptr-cptr);
(*pptmp)->command[tcptr-cptr] = 0;
(*pptmp)->next = NULL;
}
#ifdef PROCFIXCMD
sprintf((*pptmp)->fixcmd, EXECFIXCMD, (*pptmp)->name);
#endif
if ((*pptmp)->miblen > 0) {
register_mib(token, (struct variable *) extensible_relocatable_variables,
sizeof(struct variable2),
6, (*pptmp)->miboid, (*pptmp)->miblen);
}
}
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);
}
