blob: 6005a1d776ac5272bfed0b8d5bc6b566f18b5224 (
plain)
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
|
/**
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Nikki VonHollen <vonhollen@gmail.com>
*/
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#define PASSWD_CONFIG_KEY "MOCK_PASSWD"
static FILE *global_stream = NULL;
void setpwent(void) {
if (global_stream)
endpwent();
const char *path = getenv(PASSWD_CONFIG_KEY);
if (!path)
return;
global_stream = fopen(path, "r");
}
struct passwd *getpwent(void) {
if (!global_stream)
setpwent();
if (!global_stream)
return NULL;
return fgetpwent(global_stream);
}
void endpwent(void) {
if (!global_stream)
return;
fclose(global_stream);
global_stream = NULL;
}
struct passwd *getpwnam(const char *name) {
const char *path = getenv(PASSWD_CONFIG_KEY);
if (!path)
return NULL;
FILE *stream = fopen(path, "r");
if (!stream)
return NULL;
struct passwd *entry;
while ((entry = fgetpwent(stream))) {
if (strcmp(entry->pw_name, name) == 0) {
fclose(stream);
return entry;
}
}
fclose(stream);
return NULL;
}
struct passwd *getpwuid(uid_t uid) {
const char *path = getenv(PASSWD_CONFIG_KEY);
if (!path)
return NULL;
FILE *stream = fopen(path, "r");
if (!stream)
return NULL;
struct passwd *entry;
while ((entry = fgetpwent(stream))) {
if (entry->pw_uid == uid) {
fclose(stream);
return entry;
}
}
fclose(stream);
return NULL;
}
|
