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Diffstat (limited to 'libpwdgrp/pwd_grp_internal.c')
-rw-r--r--libpwdgrp/pwd_grp_internal.c87
1 files changed, 18 insertions, 69 deletions
diff --git a/libpwdgrp/pwd_grp_internal.c b/libpwdgrp/pwd_grp_internal.c
index 39c11f677..866ed3699 100644
--- a/libpwdgrp/pwd_grp_internal.c
+++ b/libpwdgrp/pwd_grp_internal.c
@@ -18,96 +18,45 @@
18 * 18 *
19 */ 19 */
20 20
21#include <features.h>
22#include <stdio.h>
23#include <stdlib.h>
24#include <stdint.h>
25#include <string.h>
26#include <stddef.h>
27#include <errno.h>
28#include <assert.h>
29#include <ctype.h>
30
31#include "pwd_.h"
32#include "grp_.h"
33#include "shadow_.h"
34#include "libbb.h"
35
36#ifndef _PATH_SHADOW
37#define _PATH_SHADOW "/etc/shadow"
38#endif
39#ifndef _PATH_PASSWD
40#define _PATH_PASSWD "/etc/passwd"
41#endif
42#ifndef _PATH_GROUP
43#define _PATH_GROUP "/etc/group"
44#endif
45
46/**********************************************************************/
47/* Sizes for statically allocated buffers. */
48
49/* If you change these values, also change _SC_GETPW_R_SIZE_MAX and
50 * _SC_GETGR_R_SIZE_MAX in libc/unistd/sysconf.c to match */
51#define PWD_BUFFER_SIZE 256
52#define GRP_BUFFER_SIZE 256
53
54/**********************************************************************/
55/* Prototypes for internal functions. */
56
57extern int __parsepwent(void *pw, char *line);
58extern int __parsegrent(void *gr, char *line);
59extern int __parsespent(void *sp, char *line);
60
61extern int __pgsreader(int (*__parserfunc)(void *d, char *line), void *data,
62 char *__restrict line_buff, size_t buflen, FILE *f);
63
64
65#ifndef GETXXKEY_R_FUNC 21#ifndef GETXXKEY_R_FUNC
66#error GETXXKEY_R_FUNC is not defined! 22#error GETXXKEY_R_FUNC is not defined!
67#endif 23#endif
68/**********************************************************************/
69#ifdef GETXXKEY_R_FUNC
70 24
71int GETXXKEY_R_FUNC(DO_GETXXKEY_R_KEYTYPE key, 25int GETXXKEY_R_FUNC(DO_GETXXKEY_R_KEYTYPE key,
72 GETXXKEY_R_ENTTYPE *__restrict resultbuf, 26 GETXXKEY_R_ENTTYPE *__restrict resultbuf,
73 char *__restrict buffer, size_t buflen, 27 char *__restrict buffer, size_t buflen,
74 GETXXKEY_R_ENTTYPE **__restrict result) 28 GETXXKEY_R_ENTTYPE **__restrict result)
75{ 29{
76 FILE *stream; 30 FILE *stream;
77 int rv; 31 int rv;
78 32
79 *result = NULL; 33 *result = NULL;
80 34
81 if (!(stream = fopen(DO_GETXXKEY_R_PATHNAME, "r"))) { 35 stream = fopen(DO_GETXXKEY_R_PATHNAME, "r");
82 rv = errno; 36 if (!stream)
83 } else { 37 return errno;
84 do { 38 while (1) {
85 if (!(rv = __pgsreader(GETXXKEY_R_PARSER, resultbuf, 39 rv = __pgsreader(GETXXKEY_R_PARSER, resultbuf, buffer, buflen, stream);
86 buffer, buflen, stream)) 40 if (!rv) {
87 ) { 41 if (GETXXKEY_R_TEST(resultbuf)) { /* Found key? */
88 if (GETXXKEY_R_TEST(resultbuf)) { /* Found key? */ 42 *result = resultbuf;
89 *result = resultbuf;
90 break;
91 }
92 } else {
93 if (rv == ENOENT) { /* end-of-file encountered. */
94 rv = 0;
95 }
96 break; 43 break;
97 } 44 }
98 } while (1); 45 } else {
99 fclose(stream); 46 if (rv == ENOENT) { /* end-of-file encountered. */
47 rv = 0;
48 }
49 break;
50 }
100 } 51 }
52 fclose(stream);
101 53
102 return rv; 54 return rv;
103} 55}
104 56
105#endif
106/**********************************************************************/
107#undef GETXXKEY_R_FUNC 57#undef GETXXKEY_R_FUNC
108#undef GETXXKEY_R_PARSER 58#undef GETXXKEY_R_PARSER
109#undef GETXXKEY_R_ENTTYPE 59#undef GETXXKEY_R_ENTTYPE
110#undef GETXXKEY_R_TEST 60#undef GETXXKEY_R_TEST
111#undef DO_GETXXKEY_R_KEYTYPE 61#undef DO_GETXXKEY_R_KEYTYPE
112#undef DO_GETXXKEY_R_PATHNAME 62#undef DO_GETXXKEY_R_PATHNAME
113