Annotation of embedaddon/sudo/plugins/sudoers/locale.c, revision 1.1.1.2
1.1 misho 1: /*
2: * Copyright (c) 2012-2013 Todd C. Miller <Todd.Miller@courtesan.com>
3: *
4: * Permission to use, copy, modify, and distribute this software for any
5: * purpose with or without fee is hereby granted, provided that the above
6: * copyright notice and this permission notice appear in all copies.
7: *
8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15: */
16:
17: #include <config.h>
18:
19: #include <sys/types.h>
20: #include <stdio.h>
21: #ifdef STDC_HEADERS
22: # include <stdlib.h>
23: # include <stddef.h>
24: #else
25: # ifdef HAVE_STDLIB_H
26: # include <stdlib.h>
27: # endif
28: #endif /* STDC_HEADERS */
29: #ifdef HAVE_STRING_H
30: # include <string.h>
31: #endif /* HAVE_STRING_H */
32: #ifdef HAVE_STRINGS_H
33: # include <strings.h>
34: #endif /* HAVE_STRINGS_H */
35: #ifdef HAVE_STDBOOL_H
36: # include <stdbool.h>
37: #else
38: # include "compat/stdbool.h"
39: #endif /* HAVE_STDBOOL_H */
40:
41: #include "missing.h"
1.1.1.2 ! misho 42: #include "fatal.h"
1.1 misho 43: #include "alloc.h"
44: #include "logging.h"
45: #include "gettext.h"
46:
47: static int current_locale = SUDOERS_LOCALE_USER;
48: static char *user_locale;
49: static char *sudoers_locale;
50:
51: int
52: sudoers_getlocale(void)
53: {
54: return current_locale;
55: }
56:
57: void
58: sudoers_initlocale(const char *ulocale, const char *slocale)
59: {
60: if (ulocale != NULL) {
61: efree(user_locale);
62: user_locale = estrdup(ulocale);
63: }
64: if (slocale != NULL) {
65: efree(sudoers_locale);
66: sudoers_locale = estrdup(slocale);
67: }
68: }
69:
70: /*
71: * Set locale to user or sudoers value.
72: * Returns true on success and false on failure,
73: * If prevlocale is non-NULL it will be filled in with the
74: * old SUDOERS_LOCALE_* value.
75: */
76: bool
77: sudoers_setlocale(int newlocale, int *prevlocale)
78: {
79: char *res = NULL;
80:
81: switch (newlocale) {
82: case SUDOERS_LOCALE_USER:
83: if (prevlocale)
84: *prevlocale = current_locale;
85: if (current_locale != SUDOERS_LOCALE_USER) {
86: current_locale = SUDOERS_LOCALE_USER;
87: res = setlocale(LC_ALL, user_locale ? user_locale : "");
88: if (res != NULL && user_locale == NULL)
89: user_locale = estrdup(setlocale(LC_ALL, NULL));
90: }
91: break;
92: case SUDOERS_LOCALE_SUDOERS:
93: if (prevlocale)
94: *prevlocale = current_locale;
95: if (current_locale != SUDOERS_LOCALE_SUDOERS) {
96: current_locale = SUDOERS_LOCALE_SUDOERS;
97: res = setlocale(LC_ALL, sudoers_locale ? sudoers_locale : "C");
98: if (res == NULL && sudoers_locale != NULL) {
99: if (strcmp(sudoers_locale, "C") != 0) {
100: efree(sudoers_locale);
101: sudoers_locale = estrdup("C");
102: res = setlocale(LC_ALL, "C");
103: }
104: }
105: }
106: break;
107: }
108: return res ? true : false;
109: }
110:
111: static int warning_locale;
112:
113: void
114: warning_set_locale(void)
115: {
116: sudoers_setlocale(SUDOERS_LOCALE_USER, &warning_locale);
117: }
118:
119: void
120: warning_restore_locale(void)
121: {
122: sudoers_setlocale(warning_locale, NULL);
123: }
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