8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / cmd / nscd / nscd_frontend.h
blobac016706ac3b7024757652c06aa5c3b0b4e81815
1 /*
2 * CDDL HEADER START
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
19 * CDDL HEADER END
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
26 #ifndef _NSCD_FRONTEND_H
27 #define _NSCD_FRONTEND_H
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
33 #include "cache.h"
35 #define NSCD_N2NBUF_MAXLEN 1024 * 8
36 #define NSCD_PHDR_MAXLEN 1024 * 8
37 #define NSCD_LOOKUP_BUFSIZE 1024 * 16
38 #define NSCD_DOORBUF_MAXLEN 1024 * 512
39 #define NSCD_PHDR_LEN(hdrp) ((hdrp)->data_off)
40 #define NSCD_DATA_LEN(hdrp) ((hdrp)->data_len)
41 /* used to check clients required privileges */
42 #define NSCD_ALL_PRIV 0
43 #define NSCD_READ_PRIV 1
45 #define NSCD_ALLOC_LOOKUP_BUFFER(bufp, bufsiz, hdrp, space, spsiz) \
46 if ((hdrp)->pbufsiz <= spsiz) { \
47 (void) memcpy(space, (hdrp), NSCD_PHDR_LEN((hdrp))); \
48 bufp = space; \
49 bufsiz = spsiz; \
50 hdrp = (nss_pheader_t *)(void *)space; \
51 (hdrp)->pbufsiz = bufsiz; \
52 (hdrp)->data_len = bufsiz - (hdrp)->data_off; \
53 } else { \
54 (bufp) = NULL; \
55 bufsiz = (hdrp)->pbufsiz; \
56 if (bufsiz > spsiz) \
57 bufsiz = NSCD_DOORBUF_MAXLEN; \
58 (bufp) = alloca(bufsiz); \
59 if ((bufp) != NULL) { \
60 (void) memcpy((bufp), (hdrp), NSCD_PHDR_LEN(hdrp)); \
61 (hdrp) = (nss_pheader_t *)(void *)(bufp); \
62 (hdrp)->pbufsiz = bufsiz; \
63 (hdrp)->data_len = bufsiz - (hdrp)->data_off; \
64 } else { \
65 NSCD_SET_STATUS((hdrp), NSS_ERROR, ENOMEM); \
66 (void) door_return((char *)(hdrp), \
67 NSCD_PHDR_LEN(hdrp), NULL, 0); \
68 } \
71 #define NSCD_SET_RETURN_ARG(hdrp, arg_size) \
72 if (NSCD_STATUS_IS_OK((nss_pheader_t *)(hdrp))) \
73 arg_size = NSCD_PHDR_LEN(hdrp) + (NSCD_DATA_LEN(hdrp) > 0 ? \
74 NSCD_DATA_LEN(hdrp) + 1 : 0); \
75 else \
76 arg_size = NSCD_PHDR_LEN(hdrp);
78 /* prototypes */
79 uid_t _nscd_get_client_euid();
80 int _nscd_check_client_priv(int);
81 int _nscd_setup_server(char *execname, char **argv);
82 int _nscd_setup_child_server(int did);
83 int _nscd_get_clearance(sema_t *sema);
84 int _nscd_release_clearance(sema_t *sema);
85 void _nscd_init_cache_sema(sema_t *sema, char *cache_name);
86 nscd_rc_t _nscd_alloc_frontend_cfg();
87 void _nscd_APP_check_cred(void *buf, pid_t *pidp, char *dc_str,
88 int log_comp, int log_level);
89 void _nscd_restart_if_cfgfile_changed();
90 #ifdef __cplusplus
92 #endif
94 #endif /* _NSCD_FRONTEND_H */