cmd/nscd/nscd_nswparse.c

cb5caa98562cf06753163f558cbcfe30b8f4673adjl/*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * CDDL HEADER START
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * The contents of this file are subject to the terms of the
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * Common Development and Distribution License (the "License").
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * You may not use this file except in compliance with the License.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * or http://www.opensolaris.org/os/licensing.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * See the License for the specific language governing permissions
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * and limitations under the License.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * When distributing Covered Code, include this CDDL HEADER in each
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * If applicable, add the following below this CDDL HEADER, with the
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * fields enclosed by brackets "[]" replaced with your own identifying
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * information: Portions Copyright [yyyy] [name of copyright owner]
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * CDDL HEADER END
cb5caa98562cf06753163f558cbcfe30b8f4673adjl */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/*
36e852a172cba914383d7341c988128b2c667fbdRaja Andra * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * Use is subject to license terms.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl#include <stdlib.h>
cb5caa98562cf06753163f558cbcfe30b8f4673adjl#include <limits.h>
cb5caa98562cf06753163f558cbcfe30b8f4673adjl#include <string.h>
cb5caa98562cf06753163f558cbcfe30b8f4673adjl#include <ctype.h>
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl#define __NSS_PRIVATE_INTERFACE
cb5caa98562cf06753163f558cbcfe30b8f4673adjl#include "nsswitch_priv.h"
cb5caa98562cf06753163f558cbcfe30b8f4673adjl#undef  __NSS_PRIVATE_INTERFACE
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl#define islabel(c)  (isalnum(c) || (c) == '_')
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * The _nsw_getoneconfig_v1() in this file parses the switch policy
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * configuration for a switch database, e.g.,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * hosts: nis [NOTFOUND=return] files
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * or
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * printers: user files nis
cb5caa98562cf06753163f558cbcfe30b8f4673adjl */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * Local routines
cb5caa98562cf06753163f558cbcfe30b8f4673adjl */
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic char *skip(char **, char);
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic char *labelskip(char *);
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic char *spaceskip(char *);
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic void freeconf_v1(struct __nsw_switchconfig_v1 *);
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic int alldigits(char *);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *
36e852a172cba914383d7341c988128b2c667fbdRaja Andra * With the "lookup control" feature, the default criteria for NIS
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * and any new services (e.g. ldap) will be:
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *     [SUCCESS=return  NOTFOUND=continue UNAVAIL=continue TRYAGAIN=forever]
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * For backward compat, NIS via NIS server in DNS forwarding mode will be:
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *     [SUCCESS=return  NOTFOUND=continue UNAVAIL=continue TRYAGAIN=continue]
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * And also for backward compat, the default criteria for DNS will be:
cb5caa98562cf06753163f558cbcfe30b8f4673adjl *     [SUCCESS=return  NOTFOUND=continue UNAVAIL=continue TRYAGAIN=continue]
cb5caa98562cf06753163f558cbcfe30b8f4673adjl */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * The BIND resolver normally will retry several times on server non-response.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * But now with the "lookup control" feature, we don't want the resolver doing
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * many retries, rather we want it to return control (reasonably) quickly back
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * to the switch engine.  However, when TRYAGAIN=N or TRYAGAIN=forever is
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * not explicitly set by the admin in the conf file, we want the old "resolver
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * retry a few times" rather than no retries at all.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl */
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic int  dns_tryagain_retry = 3;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * For backward compat (pre "lookup control"), the dns default behavior is
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * soft lookup.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl */
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic void
cb5caa98562cf06753163f558cbcfe30b8f4673adjlset_dns_default_lkp(struct __nsw_lookup_v1 *lkp)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl{
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    if (strcasecmp(lkp->service_name, "dns") == 0) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        lkp->actions[__NSW_TRYAGAIN] =
36e852a172cba914383d7341c988128b2c667fbdRaja Andra            __NSW_TRYAGAIN_NTIMES;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        lkp->max_retries = dns_tryagain_retry;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl}
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic void
cb5caa98562cf06753163f558cbcfe30b8f4673adjlfreeconf_v1(struct __nsw_switchconfig_v1 *cfp)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl{
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    if (cfp) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        if (cfp->dbase)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            free(cfp->dbase);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        if (cfp->lookups) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            struct __nsw_lookup_v1 *nex, *cur;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            for (cur = cfp->lookups; cur; cur = nex) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                free(cur->service_name);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                nex = cur->next;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                free(cur);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        free(cfp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl}
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/* give the next non-alpha character */
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic char *
cb5caa98562cf06753163f558cbcfe30b8f4673adjllabelskip(char *cur)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl{
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    char *p = cur;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    while (islabel(*p))
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        ++p;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    return (p);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl}
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/* give the next non-space character */
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic char *
cb5caa98562cf06753163f558cbcfe30b8f4673adjlspaceskip(char *cur)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl{
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    char *p = cur;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    while (*p == ' ' || *p == '\t')
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        ++p;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    return (p);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl}
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * terminate the *cur pointed string by null only if it is
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * followed by "key" surrounded by zero or more spaces and
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * return value is the same as the original *cur pointer and
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * *cur pointer is advanced to the first non {space, key} char
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * followed by the key. Otherwise, return NULL and keep
cb5caa98562cf06753163f558cbcfe30b8f4673adjl * *cur unchanged.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl */
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic char *
cb5caa98562cf06753163f558cbcfe30b8f4673adjlskip(char **cur, char key)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl{
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    char *p, *tmp;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    char *q = *cur;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    int found, tmpfound;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    tmp = labelskip(*cur);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    p = tmp;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    found = (*p == key);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    if (found) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        *p++ = '\0'; /* overwrite the key */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        p = spaceskip(p);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    } else {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        while (*p == ' ' || *p == '\t') {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            tmpfound = (*++p == key);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            if (tmpfound) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                found = tmpfound;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    /* null terminate the return token */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                *tmp = '\0';
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                p++; /* skip the key */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    if (!found)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        return (NULL); /* *cur unchanged */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    *cur = p;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    return (q);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl}
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl/* Return 1 if the string contains all digits, else return 0. */
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstatic int
cb5caa98562cf06753163f558cbcfe30b8f4673adjlalldigits(char *s)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl{
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    for (; *s; s++)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        if (!isdigit(*s))
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            return (0);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    return (1);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl}
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjlstruct __nsw_switchconfig_v1 *
cb5caa98562cf06753163f558cbcfe30b8f4673adjl_nsw_getoneconfig_v1(const char *name, char *linep, enum __nsw_parse_err *errp)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    /* linep   Nota Bene: not const char *  */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    /* errp  Meanings are abused a bit  */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl{
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    struct __nsw_switchconfig_v1 *cfp;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    struct __nsw_lookup_v1 *lkp, **lkq;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    int end_crit;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    action_t act;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    char *p, *tokenp;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    *errp = __NSW_CONF_PARSE_SUCCESS;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    if ((cfp = calloc(1, sizeof (struct __nsw_switchconfig_v1)))
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        == NULL) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        *errp = __NSW_CONF_PARSE_SYSERR;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        return (NULL);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    cfp->dbase = strdup(name);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    lkq = &cfp->lookups;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    /* linep points to a naming service name */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    for (;;) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        int i;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        /* white space following the last service */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        if (*linep == '\0' || *linep == '\n') {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            return (cfp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        if ((lkp = calloc(1, sizeof (struct __nsw_lookup_v1)))
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            == NULL) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            *errp = __NSW_CONF_PARSE_SYSERR;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            freeconf_v1(cfp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            return (NULL);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        *lkq = lkp;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        lkq = &lkp->next;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        for (i = 0; i < __NSW_STD_ERRS_V1; i++)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            if (i == __NSW_SUCCESS)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                lkp->actions[i] = __NSW_RETURN;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            else if (i == __NSW_TRYAGAIN)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                lkp->actions[i] = __NSW_TRYAGAIN_FOREVER;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            else
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                lkp->actions[i] = __NSW_CONTINUE;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        /* get criteria for the naming service */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        if (tokenp = skip(&linep, '[')) { /* got criteria */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            /* premature end, illegal char following [ */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            if (!islabel(*linep))
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                goto barf_line;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            lkp->service_name = strdup(tokenp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            cfp->num_lookups++;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            set_dns_default_lkp(lkp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            end_crit = 0;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            /* linep points to a switch_err */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            for (;;) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                int ntimes = 0; /* try again max N times */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                int dns_continue = 0;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                if ((tokenp = skip(&linep, '=')) == NULL) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    goto barf_line;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                /* premature end, ill char following = */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                if (!islabel(*linep))
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    goto barf_line;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                /* linep points to the string following '=' */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                p = labelskip(linep);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                if (*p == ']')
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    end_crit = 1;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                else if (*p != ' ' && *p != '\t')
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    goto barf_line;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                *p++ = '\0'; /* null terminate linep */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                p = spaceskip(p);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                if (!end_crit) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    if (*p == ']') {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    end_crit = 1;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    *p++ = '\0';
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    } else if (*p == '\0' || *p == '\n') {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        return (cfp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    } else if (!islabel(*p))
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    /* p better be the next switch_err */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        goto barf_line;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                if (strcasecmp(linep, __NSW_STR_RETURN) == 0)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    act = __NSW_RETURN;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                else if (strcasecmp(linep,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                            __NSW_STR_CONTINUE) == 0) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    if (strcasecmp(lkp->service_name,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                            "dns") == 0 &&
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        strcasecmp(tokenp,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                            __NSW_STR_TRYAGAIN)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                            == 0) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        /*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                         * Add one more condition
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                         * so it retries only if it's
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                         * "dns [TRYAGAIN=continue]"
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                         */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        dns_continue = 1;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        act = __NSW_TRYAGAIN_NTIMES;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    } else
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        act = __NSW_CONTINUE;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                } else if (strcasecmp(linep,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        __NSW_STR_FOREVER) == 0)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    act = __NSW_TRYAGAIN_FOREVER;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                else if (alldigits(linep)) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    act = __NSW_TRYAGAIN_NTIMES;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    ntimes = atoi(linep);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    if (ntimes < 0 || ntimes > INT_MAX)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        ntimes = 0;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                else
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    goto barf_line;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                if (__NSW_SUCCESS_ACTION(act) &&
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    strcasecmp(tokenp,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        __NSW_STR_SUCCESS) == 0) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    lkp->actions[__NSW_SUCCESS] = act;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                } else if (__NSW_NOTFOUND_ACTION(act) &&
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    strcasecmp(tokenp,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        __NSW_STR_NOTFOUND) == 0) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    lkp->actions[__NSW_NOTFOUND] = act;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                } else if (__NSW_UNAVAIL_ACTION(act) &&
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    strcasecmp(tokenp,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        __NSW_STR_UNAVAIL) == 0) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    lkp->actions[__NSW_UNAVAIL] = act;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                } else if (__NSW_TRYAGAIN_ACTION(act) &&
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    strcasecmp(tokenp,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        __NSW_STR_TRYAGAIN) == 0) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    lkp->actions[__NSW_TRYAGAIN] = act;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    if (strcasecmp(lkp->service_name,
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                            "nis") == 0)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        lkp->actions[
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                            __NSW_NISSERVDNS_TRYAGAIN]
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                            = act;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    if (act == __NSW_TRYAGAIN_NTIMES)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        lkp->max_retries =
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        dns_continue ?
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        dns_tryagain_retry : ntimes;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                } else {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    /*EMPTY*/
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    /*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                     * convert string tokenp to integer
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                     * and put in long_errs
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                     */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                if (end_crit) {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    linep = spaceskip(p);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    if (*linep == '\0' || *linep == '\n')
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                        return (cfp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                    break; /* process next naming service */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                linep = p;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            } /* end of while loop for a name service's criteria */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        } else {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            /*
cb5caa98562cf06753163f558cbcfe30b8f4673adjl             * no criteria for this naming service.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl             * linep points to name service, but not null
cb5caa98562cf06753163f558cbcfe30b8f4673adjl             * terminated.
cb5caa98562cf06753163f558cbcfe30b8f4673adjl             */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            p = labelskip(linep);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            if (*p == '\0' || *p == '\n') {
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                *p = '\0';
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                lkp->service_name = strdup(linep);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                set_dns_default_lkp(lkp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                cfp->num_lookups++;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                return (cfp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            if (*p != ' ' && *p != '\t')
cb5caa98562cf06753163f558cbcfe30b8f4673adjl                goto barf_line;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            *p++ = '\0';
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            lkp->service_name = strdup(linep);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            set_dns_default_lkp(lkp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            cfp->num_lookups++;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl            linep = spaceskip(p);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl        }
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    } /* end of while(1) loop for a name service */
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjlbarf_line:
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    freeconf_v1(cfp);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    *errp = __NSW_CONF_PARSE_NOPOLICY;
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    return (NULL);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl}
cb5caa98562cf06753163f558cbcfe30b8f4673adjl
cb5caa98562cf06753163f558cbcfe30b8f4673adjlint
cb5caa98562cf06753163f558cbcfe30b8f4673adjl__nsw_freeconfig_v1(
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    struct __nsw_switchconfig_v1 *conf)
cb5caa98562cf06753163f558cbcfe30b8f4673adjl{
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    freeconf_v1(conf);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl    return (0);
cb5caa98562cf06753163f558cbcfe30b8f4673adjl}