1cb5caa98Sdjl /*
2cb5caa98Sdjl * CDDL HEADER START
3cb5caa98Sdjl *
4cb5caa98Sdjl * The contents of this file are subject to the terms of the
5cb5caa98Sdjl * Common Development and Distribution License (the "License").
6cb5caa98Sdjl * You may not use this file except in compliance with the License.
7cb5caa98Sdjl *
8cb5caa98Sdjl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9cb5caa98Sdjl * or http://www.opensolaris.org/os/licensing.
10cb5caa98Sdjl * See the License for the specific language governing permissions
11cb5caa98Sdjl * and limitations under the License.
12cb5caa98Sdjl *
13cb5caa98Sdjl * When distributing Covered Code, include this CDDL HEADER in each
14cb5caa98Sdjl * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15cb5caa98Sdjl * If applicable, add the following below this CDDL HEADER, with the
16cb5caa98Sdjl * fields enclosed by brackets "[]" replaced with your own identifying
17cb5caa98Sdjl * information: Portions Copyright [yyyy] [name of copyright owner]
18cb5caa98Sdjl *
19cb5caa98Sdjl * CDDL HEADER END
20cb5caa98Sdjl */
21cb5caa98Sdjl /*
22cb5caa98Sdjl * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23cb5caa98Sdjl * Use is subject to license terms.
24cb5caa98Sdjl */
25cb5caa98Sdjl
26cb5caa98Sdjl #pragma ident "%Z%%M% %I% %E% SMI"
27cb5caa98Sdjl
28cb5caa98Sdjl #include <stdlib.h>
29cb5caa98Sdjl #include <locale.h>
30cb5caa98Sdjl #include <string.h>
31cb5caa98Sdjl #include "nscd_config.h"
32cb5caa98Sdjl #include "nscd_log.h"
33cb5caa98Sdjl #include "nscd_switch.h"
34cb5caa98Sdjl
35cb5caa98Sdjl /*
36cb5caa98Sdjl * Configuration data for the nscd switch functions.
37cb5caa98Sdjl */
38cb5caa98Sdjl nscd_cfg_global_switch_t nscd_switch_cfg_g;
39cb5caa98Sdjl nscd_cfg_switch_t *nscd_switch_cfg;
40cb5caa98Sdjl
41cb5caa98Sdjl /*
42cb5caa98Sdjl * statistics of the nscd switch functions.
43cb5caa98Sdjl */
44cb5caa98Sdjl nscd_cfg_stat_global_switch_t nscd_switch_stats_g;
45cb5caa98Sdjl nscd_cfg_stat_switch_t *nscd_switch_stats;
46cb5caa98Sdjl
47cb5caa98Sdjl /*
48cb5caa98Sdjl * cookie is set up by the verify function for passing to
49cb5caa98Sdjl * the notify function
50cb5caa98Sdjl */
51cb5caa98Sdjl typedef struct {
52cb5caa98Sdjl struct __nsw_switchconfig_v1 *cfg;
53cb5caa98Sdjl char *cfgstr;
54cb5caa98Sdjl } nsw_cfg_cookie_t;
55cb5caa98Sdjl
56cb5caa98Sdjl nscd_rc_t
_nscd_alloc_switch_cfg()57cb5caa98Sdjl _nscd_alloc_switch_cfg()
58cb5caa98Sdjl {
59cb5caa98Sdjl nscd_switch_cfg = calloc(NSCD_NUM_DB, sizeof (nscd_cfg_switch_t));
60cb5caa98Sdjl if (nscd_switch_cfg == NULL)
61cb5caa98Sdjl return (NSCD_NO_MEMORY);
62cb5caa98Sdjl
63cb5caa98Sdjl return (NSCD_SUCCESS);
64cb5caa98Sdjl }
65cb5caa98Sdjl
66cb5caa98Sdjl nscd_rc_t
_nscd_alloc_switch_stats()67cb5caa98Sdjl _nscd_alloc_switch_stats()
68cb5caa98Sdjl {
69cb5caa98Sdjl
70cb5caa98Sdjl nscd_switch_stats = calloc(NSCD_NUM_DB,
71cb5caa98Sdjl sizeof (nscd_cfg_stat_switch_t));
72cb5caa98Sdjl if (nscd_switch_stats == NULL)
73cb5caa98Sdjl return (NSCD_NO_MEMORY);
74cb5caa98Sdjl
75cb5caa98Sdjl return (NSCD_SUCCESS);
76cb5caa98Sdjl }
77cb5caa98Sdjl
78cb5caa98Sdjl /* ARGSUSED */
79cb5caa98Sdjl nscd_rc_t
_nscd_cfg_switch_notify(void * data,struct nscd_cfg_param_desc * pdesc,nscd_cfg_id_t * nswdb,nscd_cfg_flag_t dflag,nscd_cfg_error_t ** errorp,void * cookie)80cb5caa98Sdjl _nscd_cfg_switch_notify(
81cb5caa98Sdjl void *data,
82cb5caa98Sdjl struct nscd_cfg_param_desc *pdesc,
83cb5caa98Sdjl nscd_cfg_id_t *nswdb,
84cb5caa98Sdjl nscd_cfg_flag_t dflag,
85cb5caa98Sdjl nscd_cfg_error_t **errorp,
86cb5caa98Sdjl void *cookie)
87cb5caa98Sdjl {
88cb5caa98Sdjl
89cb5caa98Sdjl void *dp;
90cb5caa98Sdjl nscd_rc_t rc;
91cb5caa98Sdjl nsw_cfg_cookie_t *ck = (nsw_cfg_cookie_t *)cookie;
92cb5caa98Sdjl
93cb5caa98Sdjl if (_nscd_cfg_flag_is_set(dflag, NSCD_CFG_DFLAG_INIT) ||
94cb5caa98Sdjl _nscd_cfg_flag_is_set(dflag, NSCD_CFG_DFLAG_GROUP)) {
95cb5caa98Sdjl /*
96cb5caa98Sdjl * group data is received, copy in the
97cb5caa98Sdjl * entire strcture
98cb5caa98Sdjl */
99cb5caa98Sdjl if (_nscd_cfg_flag_is_set(pdesc->pflag,
100cb5caa98Sdjl NSCD_CFG_PFLAG_GLOBAL)) {
101cb5caa98Sdjl nscd_switch_cfg_g = *(nscd_cfg_global_switch_t *)data;
102cb5caa98Sdjl } else {
103cb5caa98Sdjl nscd_switch_cfg[nswdb->index] =
104cb5caa98Sdjl *(nscd_cfg_switch_t *)data;
105cb5caa98Sdjl
106cb5caa98Sdjl }
107cb5caa98Sdjl } else {
108cb5caa98Sdjl /*
109cb5caa98Sdjl * individual paramater is received: copy in the
110cb5caa98Sdjl * parameter value except for nsw-config-string.
111cb5caa98Sdjl */
112cb5caa98Sdjl if (_nscd_cfg_flag_is_set(pdesc->pflag,
113cb5caa98Sdjl NSCD_CFG_PFLAG_GLOBAL)) {
114cb5caa98Sdjl dp = (char *)&nscd_switch_cfg_g + pdesc->p_offset;
115cb5caa98Sdjl (void) memcpy(dp, data, pdesc->p_size);
116cb5caa98Sdjl } else {
117cb5caa98Sdjl dp = (char *)&nscd_switch_cfg[nswdb->index] +
118cb5caa98Sdjl pdesc->p_offset;
119cb5caa98Sdjl if (pdesc->p_offset !=
120cb5caa98Sdjl offsetof(nscd_cfg_switch_t, nsw_config_string))
121cb5caa98Sdjl (void) memcpy(dp, data, pdesc->p_size);
122cb5caa98Sdjl }
123cb5caa98Sdjl }
124cb5caa98Sdjl
125cb5caa98Sdjl /*
126cb5caa98Sdjl * cookie contains data for the switch policy config
127cb5caa98Sdjl */
128cb5caa98Sdjl if (cookie != NULL) {
129*ad0e80f7Smichen rc = _nscd_create_sw_struct(nswdb->index, -1, nswdb->name,
130cb5caa98Sdjl ck->cfgstr, ck->cfg, NULL);
131cb5caa98Sdjl if (rc != NSCD_SUCCESS) {
132cb5caa98Sdjl (void) __nsw_freeconfig_v1(ck->cfg);
133cb5caa98Sdjl free(ck);
134cb5caa98Sdjl return (rc);
135cb5caa98Sdjl }
136cb5caa98Sdjl free(ck);
137cb5caa98Sdjl }
138cb5caa98Sdjl
139cb5caa98Sdjl if (_nscd_cfg_flag_is_not_set(dflag, NSCD_CFG_DFLAG_STATIC_DATA))
140cb5caa98Sdjl free(data);
141cb5caa98Sdjl
142cb5caa98Sdjl return (NSCD_SUCCESS);
143cb5caa98Sdjl }
144cb5caa98Sdjl
145cb5caa98Sdjl /* ARGSUSED */
146cb5caa98Sdjl nscd_rc_t
_nscd_cfg_switch_verify(void * data,struct nscd_cfg_param_desc * pdesc,nscd_cfg_id_t * nswdb,nscd_cfg_flag_t dflag,nscd_cfg_error_t ** errorp,void ** cookie)147cb5caa98Sdjl _nscd_cfg_switch_verify(
148cb5caa98Sdjl void *data,
149cb5caa98Sdjl struct nscd_cfg_param_desc *pdesc,
150cb5caa98Sdjl nscd_cfg_id_t *nswdb,
151cb5caa98Sdjl nscd_cfg_flag_t dflag,
152cb5caa98Sdjl nscd_cfg_error_t **errorp,
153cb5caa98Sdjl void **cookie)
154cb5caa98Sdjl {
155cb5caa98Sdjl char *me = "_nscd_cfg_switch_verify";
156cb5caa98Sdjl nscd_cfg_switch_t *cfg;
157cb5caa98Sdjl char *nswcfgstr;
158cb5caa98Sdjl int size;
159cb5caa98Sdjl struct __nsw_switchconfig_v1 *switchcfg = NULL;
160cb5caa98Sdjl enum __nsw_parse_err err;
161cb5caa98Sdjl nsw_cfg_cookie_t *ck;
162cb5caa98Sdjl char buf[MAX_NSSWITCH_CONFIG_STRING_SZ];
163cb5caa98Sdjl char msg[NSCD_CFG_MAX_ERR_MSG_LEN];
164cb5caa98Sdjl
165cb5caa98Sdjl /*
166cb5caa98Sdjl * global config data has nothing special to verify
167cb5caa98Sdjl */
168cb5caa98Sdjl if (_nscd_cfg_flag_is_set(pdesc->pflag, NSCD_CFG_PFLAG_GLOBAL))
169cb5caa98Sdjl return (NSCD_SUCCESS);
170cb5caa98Sdjl
171cb5caa98Sdjl *cookie = NULL;
172cb5caa98Sdjl
173cb5caa98Sdjl /*
174cb5caa98Sdjl * switch policy string is the one to parse and verify
175cb5caa98Sdjl */
176cb5caa98Sdjl
177cb5caa98Sdjl if (_nscd_cfg_flag_is_set(dflag, NSCD_CFG_DFLAG_INIT) ||
178cb5caa98Sdjl _nscd_cfg_flag_is_set(dflag, NSCD_CFG_DFLAG_GROUP)) {
179cb5caa98Sdjl
180cb5caa98Sdjl /* get it from the group data */
181cb5caa98Sdjl cfg = (nscd_cfg_switch_t *)data;
182cb5caa98Sdjl nswcfgstr = cfg->nsw_config_string;
183cb5caa98Sdjl } else {
184cb5caa98Sdjl /* not group, and not the switch policy string, return */
185cb5caa98Sdjl if (pdesc->p_offset != offsetof(nscd_cfg_switch_t,
186cb5caa98Sdjl nsw_config_string))
187cb5caa98Sdjl return (NSCD_SUCCESS);
188cb5caa98Sdjl
189cb5caa98Sdjl /* the data itself is the string */
190cb5caa98Sdjl nswcfgstr = (char *)data;
191cb5caa98Sdjl }
192cb5caa98Sdjl
193cb5caa98Sdjl /*
194cb5caa98Sdjl * convert the string into struct __nsw_switchconfig_v1
195cb5caa98Sdjl */
196cb5caa98Sdjl size = MAX_NSSWITCH_CONFIG_STRING_SZ;
197cb5caa98Sdjl if (strlcpy(buf, nswcfgstr, size) >= size) {
198cb5caa98Sdjl
199cb5caa98Sdjl (void) snprintf(msg, sizeof (msg),
200cb5caa98Sdjl gettext("switch policy string too long (\"%s : %s\" > %d)"),
201cb5caa98Sdjl nswdb->name, nswcfgstr, size);
202cb5caa98Sdjl
203cb5caa98Sdjl _NSCD_LOG(NSCD_LOG_CONFIG, NSCD_LOG_LEVEL_ERROR)
204cb5caa98Sdjl (me, "%s\n", msg);
205cb5caa98Sdjl
206cb5caa98Sdjl if (*errorp)
207cb5caa98Sdjl *errorp = _nscd_cfg_make_error(
208cb5caa98Sdjl NSCD_CFG_SYNTAX_ERROR, msg);
209cb5caa98Sdjl
210cb5caa98Sdjl return (NSCD_CFG_SYNTAX_ERROR);
211cb5caa98Sdjl }
212cb5caa98Sdjl switchcfg = _nsw_getoneconfig_v1(nswdb->name, buf, &err);
213cb5caa98Sdjl if (switchcfg == NULL) {
214cb5caa98Sdjl
215cb5caa98Sdjl (void) snprintf(msg, sizeof (msg),
216cb5caa98Sdjl gettext("syntax error: switch policy string (%s : %s) rc = %d"),
217cb5caa98Sdjl nswdb->name, nswcfgstr, err);
218cb5caa98Sdjl
219cb5caa98Sdjl _NSCD_LOG(NSCD_LOG_CONFIG, NSCD_LOG_LEVEL_ERROR)
220cb5caa98Sdjl (me, "%s\n", msg);
221cb5caa98Sdjl
222cb5caa98Sdjl if (*errorp)
223cb5caa98Sdjl *errorp = _nscd_cfg_make_error(
224cb5caa98Sdjl NSCD_CFG_SYNTAX_ERROR, msg);
225cb5caa98Sdjl
226cb5caa98Sdjl return (NSCD_CFG_SYNTAX_ERROR);
227cb5caa98Sdjl }
228cb5caa98Sdjl
229cb5caa98Sdjl /* save the __nsw_switchconfig_v1 for the notify function */
230cb5caa98Sdjl ck = calloc(1, sizeof (nsw_cfg_cookie_t));
231cb5caa98Sdjl if (ck == NULL) {
232cb5caa98Sdjl (void) __nsw_freeconfig_v1(switchcfg);
233cb5caa98Sdjl return (NSCD_CFG_SYNTAX_ERROR);
234cb5caa98Sdjl }
235cb5caa98Sdjl ck->cfg = switchcfg;
236cb5caa98Sdjl ck->cfgstr = nswcfgstr;
237cb5caa98Sdjl *cookie = ck;
238cb5caa98Sdjl
239cb5caa98Sdjl return (NSCD_SUCCESS);
240cb5caa98Sdjl }
241cb5caa98Sdjl
242cb5caa98Sdjl /* ARGSUSED */
243cb5caa98Sdjl nscd_rc_t
_nscd_cfg_switch_get_stat(void ** stat,struct nscd_cfg_stat_desc * sdesc,nscd_cfg_id_t * nswdb,nscd_cfg_flag_t * dflag,void (** free_stat)(void * stat),nscd_cfg_error_t ** errorp)244cb5caa98Sdjl _nscd_cfg_switch_get_stat(
245cb5caa98Sdjl void **stat,
246cb5caa98Sdjl struct nscd_cfg_stat_desc *sdesc,
247cb5caa98Sdjl nscd_cfg_id_t *nswdb,
248cb5caa98Sdjl nscd_cfg_flag_t *dflag,
249cb5caa98Sdjl void (**free_stat)(void *stat),
250cb5caa98Sdjl nscd_cfg_error_t **errorp)
251cb5caa98Sdjl {
252cb5caa98Sdjl
253cb5caa98Sdjl if (_nscd_cfg_flag_is_set(sdesc->sflag, NSCD_CFG_SFLAG_GLOBAL)) {
254cb5caa98Sdjl *stat = &NSCD_SW_STATS_G;
255cb5caa98Sdjl } else
256cb5caa98Sdjl *stat = &NSCD_SW_STATS(nswdb->index);
257cb5caa98Sdjl
258cb5caa98Sdjl /* indicate the statistics are static, i.e., do not free */
259cb5caa98Sdjl *dflag = _nscd_cfg_flag_set(*dflag, NSCD_CFG_DFLAG_STATIC_DATA);
260cb5caa98Sdjl
261cb5caa98Sdjl return (NSCD_SUCCESS);
262cb5caa98Sdjl }
263