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
|
/*
** Copyright 2002 Double Precision, Inc. See COPYING for
** distribution information.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "auth.h"
static const char rcsid[]="$Id: authoption.c,v 1.1 2004/01/19 19:37:37 mrsam Exp $";
char *authgetoptionenv(const char *keyword)
{
return authgetoption(getenv("OPTIONS"), keyword);
}
char *authgetoption(const char *options, const char *keyword)
{
size_t keyword_l=strlen(keyword);
char *p;
while (options)
{
if (strncmp(options, keyword, keyword_l) == 0)
{
if (options[keyword_l] == 0 ||
options[keyword_l] == ',')
return strdup("");
if (options[keyword_l] == '=')
{
options += keyword_l;
++options;
for (keyword_l=0;
options[keyword_l] &&
options[keyword_l] != ',';
++keyword_l)
;
if (!(p=malloc(keyword_l+1)))
return NULL;
memcpy(p, options, keyword_l);
p[keyword_l]=0;
return p;
}
}
options=strchr(options, ',');
if (options)
++options;
}
errno=ENOENT;
return NULL;
}
|
