1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Routines to handle getexec* calls in nscd
*/
#include <string.h>
#include <exec_attr.h>
#include "cache.h"
static int execattr_compar(const void *, const void *);
static uint_t execattr_gethash(nss_XbyY_key_t *, int);
static void execattr_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
#define nam_db ctx->nsc_db[0]
#define id_db ctx->nsc_db[1]
#define nam_id_db ctx->nsc_db[2]
#define NSC_NAME_EXECATTR_BYNAME "execattr_byname"
#define NSC_NAME_EXECATTR_BYID "execattr_byid"
#define NSC_NAME_EXECATTR_BYNAMEID "execattr_bynameid"
void
exec_init_ctx(nsc_ctx_t *ctx) {
ctx->dbname = NSS_DBNAM_EXECATTR;
ctx->file_name = "/etc/security/exec_attr";
ctx->db_count = 3;
nam_db = make_cache(nsc_key_other,
NSS_DBOP_EXECATTR_BYNAME,
NSC_NAME_EXECATTR_BYNAME,
execattr_compar,
execattr_getlogstr,
execattr_gethash, nsc_ht_default, -1);
id_db = make_cache(nsc_key_other,
NSS_DBOP_EXECATTR_BYID,
NSC_NAME_EXECATTR_BYID,
execattr_compar,
execattr_getlogstr,
execattr_gethash, nsc_ht_default, -1);
nam_id_db = make_cache(nsc_key_other,
NSS_DBOP_EXECATTR_BYNAMEID,
NSC_NAME_EXECATTR_BYNAMEID,
execattr_compar,
execattr_getlogstr,
execattr_gethash, nsc_ht_default, -1);
}
#define EXEC_STR_CMP(s1, s2) \
if ((a = s1) == NULL) \
a = z; \
if ((b = s2) == NULL) \
b = z; \
res = strcmp(a, b); \
if (res != 0) \
return (res > 0 ? 1 : -1);
static int
execattr_compar(const void *n1, const void *n2) {
nsc_entry_t *e1 = (nsc_entry_t *)n1;
nsc_entry_t *e2 = (nsc_entry_t *)n2;
_priv_execattr *ep1 = (_priv_execattr *)e1->key.attrp;
_priv_execattr *ep2 = (_priv_execattr *)e2->key.attrp;
int res;
const char *a, *b, *z = "";
/* compare name */
EXEC_STR_CMP(ep1->name, ep2->name);
/* compare policy */
EXEC_STR_CMP(ep1->policy, ep2->policy);
/* compare type */
EXEC_STR_CMP(ep1->type, ep2->type);
/* compare id */
EXEC_STR_CMP(ep1->id, ep2->id);
/* compare search flag */
return (_NSC_INT_KEY_CMP(ep1->search_flag, ep2->search_flag));
}
static uint_t
execattr_gethash(nss_XbyY_key_t *key, int htsize) {
_priv_execattr *ep = key->attrp;
char keys[1024];
int len;
len = snprintf(keys, sizeof (keys), "%s:%s:%s:%s:%d",
ep->name ? ep->name : "", ep->type ? ep->type : "",
ep->id ? ep->id : "", ep->policy ? ep->policy : "",
ep->search_flag);
return (db_gethash(keys, len, htsize));
}
static void
execattr_getlogstr(char *name, char *whoami, size_t len,
nss_XbyY_args_t *argp) {
_priv_execattr *ep = argp->key.attrp;
(void) snprintf(whoami, len,
"%s [name=%s:type=%s:id=%s:policy=%s:flags=%d]",
name, check_null(ep->name), check_null(ep->type),
check_null(ep->id), check_null(ep->policy),
ep->search_flag);
}
|