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
|
/*
solnss.h - common functions for NSS lookups on Solaris
Copyright (C) 2012 Arthur de Jong
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#ifndef NSS__SOLNSS_H
#define NSS__SOLNSS_H 1
#ifdef NSS_FLAVOUR_SOLARIS
/* extra definitions we need (Solaris NSS functions don't pass errno)
also clear the output values */
#ifdef HAVE_STRUCT_NSS_XBYY_ARGS_RETURNLEN
#define NSS_EXTRA_DEFS \
int *errnop=&(errno); \
NSS_ARGS(args)->returnval=NULL; \
NSS_ARGS(args)->returnlen=0; \
NSS_ARGS(args)->erange=0; \
NSS_ARGS(args)->h_errno=0;
#else /* not HAVE_STRUCT_NSS_XBYY_ARGS_RETURNLEN */
#define NSS_EXTRA_DEFS \
int *errnop=&(errno); \
NSS_ARGS(args)->returnval=NULL; \
NSS_ARGS(args)->erange=0; \
NSS_ARGS(args)->h_errno=0;
#endif /* not HAVE_STRUCT_NSS_XBYY_ARGS_RETURNLEN */
/* check validity of passed buffer (Solaris flavour) */
#define NSS_BUFCHECK \
if ((NSS_ARGS(args)->buf.buffer==NULL)||(NSS_ARGS(args)->buf.buflen<=0)) \
{ \
NSS_ARGS(args)->erange=1; \
return NSS_STATUS_TRYAGAIN; \
}
/* wrapper function body for read_xxxent that does the buffer handling,
return code handling and conversion to strings for nscd
(also see READ_RESULT_STRING below) */
#define READ_RESULT(ent,extra...) \
nss_status_t retv; \
READ_RESULT_STRING(ent,##extra) \
/* read the entry */ \
retv=read_##ent(fp,args->buf.result,args->buf.buffer,args->buf.buflen,##extra); \
if (retv!=NSS_STATUS_SUCCESS) \
return retv; \
args->returnval=args->buf.result; \
return NSS_STATUS_SUCCESS;
/* provide result handling for when libc (or nscd) expects the returned
values to be in string format */
#ifdef HAVE_STRUCT_NSS_XBYY_ARGS_RETURNLEN
#define READ_RESULT_STRING(ent,extra...) \
struct ent result; \
char *buffer; \
/* try to return in string format if requested */ \
if (args->buf.result==NULL) \
{ \
/* read the entry into a temporary buffer */ \
buffer=(char *)malloc(args->buf.buflen); \
if (buffer==NULL) \
return NSS_STATUS_UNAVAIL; \
retv=read_##ent(fp,&result,buffer,args->buf.buflen,##extra); \
/* format to string */ \
if (retv==NSS_STATUS_SUCCESS) \
if (ent##2str(&result,args->buf.buffer,args->buf.buflen)==NULL) \
{ \
args->erange=1; \
retv=NSS_NOTFOUND; \
} \
/* clean up and return result */ \
free(buffer); \
if (retv!=NSS_STATUS_SUCCESS) \
return retv; \
args->returnval=args->buf.buffer; \
args->returnlen=strlen(args->returnval); \
return NSS_STATUS_SUCCESS; \
}
#else /* not HAVE_STRUCT_NSS_XBYY_ARGS_RETURNLEN */
#define READ_RESULT_STRING(ent,extra...) ;
#endif /* not HAVE_STRUCT_NSS_XBYY_ARGS_RETURNLEN */
/* this is the backend structure for Solaris */
struct nss_ldap_backend
{
nss_backend_op_t *ops; /* function-pointer table */
int n_ops; /* number of function pointers */
TFILE *fp; /* the file pointer for {set,get,end}ent() functions */
};
/* constructor for LDAP backends */
nss_backend_t *nss_ldap_constructor(nss_backend_op_t *ops,size_t sizeofops);
/* destructor for LDAP backends */
nss_status_t nss_ldap_destructor(nss_backend_t *be,void UNUSED(*args));
#endif /* NSS_FLAVOUR_SOLARIS */
#endif /* not NSS__COMMON_H */
|