1 /*
2 ** Copyright 2002-2009 Double Precision, Inc. See COPYING for
3 ** distribution information.
4 */
5
6 #if HAVE_CONFIG_H
7 #include "courier_auth_config.h"
8 #endif
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <errno.h>
13 #include <pwd.h>
14 #if HAVE_UNISTD_H
15 #include <unistd.h>
16 #endif
17
18 #include "auth.h"
19
20
21
auth_getoptionenvint(const char * keyword)22 int auth_getoptionenvint(const char *keyword)
23 {
24 char *p = auth_getoptionenv(keyword);
25 int i;
26
27 if (!p) return 0;
28
29 i = atoi(p);
30
31 if (i == 0 && strchr("tTyY", *p))
32 i=1; /* Convert 'true', 'TRUE', 'yes', 'YES' to 1 */
33 free(p);
34 return i;
35 }
36
auth_getoptionenv(const char * keyword)37 char *auth_getoptionenv(const char *keyword)
38 {
39 return auth_getoption(getenv("OPTIONS"), keyword);
40 }
41
auth_getoption(const char * options,const char * keyword)42 char *auth_getoption(const char *options, const char *keyword)
43 {
44 size_t keyword_l=strlen(keyword);
45 char *p;
46
47 while (options)
48 {
49 if (strncmp(options, keyword, keyword_l) == 0)
50 {
51 if (options[keyword_l] == 0 ||
52 options[keyword_l] == ',')
53 return strdup("");
54
55 if (options[keyword_l] == '=')
56 {
57 options += keyword_l;
58 ++options;
59
60 for (keyword_l=0;
61 options[keyword_l] &&
62 options[keyword_l] != ',';
63 ++keyword_l)
64 ;
65
66 if (!(p=malloc(keyword_l+1)))
67 return NULL;
68 memcpy(p, options, keyword_l);
69 p[keyword_l]=0;
70 return p;
71 }
72 }
73
74 options=strchr(options, ',');
75 if (options)
76 ++options;
77 }
78 errno=ENOENT;
79 return NULL;
80 }
81