int
__nsw_freeconfig(struct __nsw_switchconfig *conf)
{
struct cons_cell *cellp;
if (conf == NULL) {
return (-1);
}
/*
* Hacked to make life easy for the code in nss_common.c. Free conf
* iff it was created by calling _nsw_getoneconfig() directly
* rather than by calling nsw_getconfig.
*/
lmutex_lock(&serialize_config);
for (cellp = concell_list; cellp; cellp = cellp->next) {
if (cellp->sw == conf) {
break;
}
}
lmutex_unlock(&serialize_config);
if (cellp == NULL) {
/* Not in the cache; free it */
freeconf(conf);
return (1);
} else {
/* In the cache; don't free it */
return (0);
}
}
int reload (void){
FILE *fp;
int error = -2;
conf.paused++;
freeconf(&conf);
conf.paused++;
fp = confopen();
if(fp){
error = readconfig(fp);
if(error) {
freeconf(&conf);
}
if(!writable)fclose(fp);
}
return error;
}
/*
* Private interface used by nss_common.c, hence this function is not static
*/
struct __nsw_switchconfig *
_nsw_getoneconfig(const char *name, char *linep, enum __nsw_parse_err *errp)
/* linep Nota Bene: not const char * */
/* errp Meanings are abused a bit */
{
struct __nsw_switchconfig *cfp;
struct __nsw_lookup *lkp, **lkq;
int end_crit, dup_fail = 0;
action_t act;
char *p, *tokenp;
*errp = __NSW_CONF_PARSE_SUCCESS;
if ((cfp = libc_malloc(sizeof (struct __nsw_switchconfig)))
== NULL) {
*errp = __NSW_CONF_PARSE_SYSERR;
return (NULL);
}
LIBC_STRDUP(cfp->dbase, name);
lkq = &cfp->lookups;
/* linep points to a naming service name */
for (;;) {
int i;
/* white space following the last service */
if (*linep == '\0' || *linep == '\n') {
return (cfp);
}
if ((lkp = libc_malloc(sizeof (struct __nsw_lookup)))
== NULL) {
*errp = __NSW_CONF_PARSE_SYSERR;
freeconf(cfp);
return (NULL);
}
*lkq = lkp;
lkq = &lkp->next;
for (i = 0; i < __NSW_STD_ERRS; i++)
if (i == __NSW_SUCCESS)
lkp->actions[i] = 1;
else
lkp->actions[i] = 0;
/* get criteria for the naming service */
if (tokenp = skip(&linep, '[')) { /* got criteria */
/* premature end, illegal char following [ */
if (!islabel(*linep))
goto barf_line;
LIBC_STRDUP(lkp->service_name, tokenp);
cfp->num_lookups++;
end_crit = 0;
/* linep points to a switch_err */
for (;;) {
if ((tokenp = skip(&linep, '=')) == NULL) {
goto barf_line;
}
/* premature end, ill char following = */
if (!islabel(*linep))
goto barf_line;
/* linep points to the string following '=' */
p = labelskip(linep);
if (*p == ']')
end_crit = 1;
else if (*p != ' ' && *p != '\t')
goto barf_line;
*p++ = '\0'; /* null terminate linep */
p = spaceskip(p);
if (!end_crit) {
if (*p == ']') {
end_crit = 1;
*p++ = '\0';
} else if (*p == '\0' || *p == '\n')
return (cfp);
else if (!islabel(*p))
/* p better be the next switch_err */
goto barf_line;
}
if (strcasecmp(linep, __NSW_STR_RETURN) == 0)
act = __NSW_RETURN;
else if (strcasecmp(linep,
__NSW_STR_CONTINUE) == 0)
act = __NSW_CONTINUE;
else if (strcasecmp(linep,
__NSW_STR_FOREVER) == 0)
/*
* =forever or =N might be in conf file
* but old progs won't expect it.
*/
act = __NSW_RETURN;
else if (alldigits(linep))
act = __NSW_CONTINUE;
else
goto barf_line;
if (strcasecmp(tokenp,
__NSW_STR_SUCCESS) == 0) {
lkp->actions[__NSW_SUCCESS] = act;
} else if (strcasecmp(tokenp,
__NSW_STR_NOTFOUND) == 0) {
lkp->actions[__NSW_NOTFOUND] = act;
} else if (strcasecmp(tokenp,
__NSW_STR_UNAVAIL) == 0) {
lkp->actions[__NSW_UNAVAIL] = act;
} else if (strcasecmp(tokenp,
__NSW_STR_TRYAGAIN) == 0) {
lkp->actions[__NSW_TRYAGAIN] = act;
} else {
/*EMPTY*/
/*
* convert string tokenp to integer
* and put in long_errs
*/
}
if (end_crit) {
linep = spaceskip(p);
if (*linep == '\0' || *linep == '\n')
return (cfp);
break; /* process next naming service */
}
linep = p;
} /* end of while loop for a name service's criteria */
} else {
/*
* no criteria for this naming service.
* linep points to name service, but not null
* terminated.
*/
p = labelskip(linep);
if (*p == '\0' || *p == '\n') {
*p = '\0';
LIBC_STRDUP(lkp->service_name, linep);
cfp->num_lookups++;
return (cfp);
}
if (*p != ' ' && *p != '\t')
goto barf_line;
*p++ = '\0';
LIBC_STRDUP(lkp->service_name, linep);
cfp->num_lookups++;
linep = spaceskip(p);
}
} /* end of while(1) loop for a name service */
barf_line:
freeconf(cfp);
*errp = dup_fail ? __NSW_CONF_PARSE_SYSERR : __NSW_CONF_PARSE_NOPOLICY;
return (NULL);
}