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sudo v 1.8.10p3

    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: #define DEFAULT_TEXT_DOMAIN	"sudoers"
   42: #include "gettext.h"		/* must be included before missing.h */
   43: 
   44: #include "missing.h"
   45: #include "fatal.h"
   46: #include "alloc.h"
   47: #include "logging.h"
   48: 
   49: static int current_locale = SUDOERS_LOCALE_USER;
   50: static char *user_locale;
   51: static char *sudoers_locale;
   52: 
   53: int
   54: sudoers_getlocale(void)
   55: {
   56:     return current_locale;
   57: }
   58: 
   59: void
   60: sudoers_initlocale(const char *ulocale, const char *slocale)
   61: {
   62:     if (ulocale != NULL) {
   63: 	efree(user_locale);
   64: 	user_locale = estrdup(ulocale);
   65:     }
   66:     if (slocale != NULL) {
   67: 	efree(sudoers_locale);
   68: 	sudoers_locale = estrdup(slocale);
   69:     }
   70: }
   71: 
   72: /*
   73:  * Set locale to user or sudoers value.
   74:  * Returns true on success and false on failure,
   75:  * If prevlocale is non-NULL it will be filled in with the
   76:  * old SUDOERS_LOCALE_* value.
   77:  */
   78: bool
   79: sudoers_setlocale(int newlocale, int *prevlocale)
   80: {
   81:     char *res = NULL;
   82: 
   83:     switch (newlocale) {
   84: 	case SUDOERS_LOCALE_USER:
   85: 	    if (prevlocale)
   86: 		*prevlocale = current_locale;
   87: 	    if (current_locale != SUDOERS_LOCALE_USER) {
   88: 		current_locale = SUDOERS_LOCALE_USER;
   89: 		res = setlocale(LC_ALL, user_locale ? user_locale : "");
   90: 		if (res != NULL && user_locale == NULL)
   91: 		    user_locale = estrdup(setlocale(LC_ALL, NULL));
   92: 	    }
   93: 	    break;
   94: 	case SUDOERS_LOCALE_SUDOERS:
   95: 	    if (prevlocale)
   96: 		*prevlocale = current_locale;
   97: 	    if (current_locale != SUDOERS_LOCALE_SUDOERS) {
   98: 		current_locale = SUDOERS_LOCALE_SUDOERS;
   99: 		res = setlocale(LC_ALL, sudoers_locale ? sudoers_locale : "C");
  100: 		if (res == NULL && sudoers_locale != NULL) {
  101: 		    if (strcmp(sudoers_locale, "C") != 0) {
  102: 			efree(sudoers_locale);
  103: 			sudoers_locale = estrdup("C");
  104: 			res = setlocale(LC_ALL, "C");
  105: 		    }
  106: 		}
  107: 	    }
  108: 	    break;
  109:     }
  110:     return res ? true : false;
  111: }
  112: 
  113: #ifdef HAVE_LIBINTL_H
  114: char *
  115: warning_gettext(const char *msgid)
  116: {
  117:     int warning_locale;
  118:     char *msg;
  119: 
  120:     sudoers_setlocale(SUDOERS_LOCALE_USER, &warning_locale);
  121:     msg = gettext(msgid);
  122:     sudoers_setlocale(warning_locale, NULL);
  123: 
  124:     return msg;
  125: }
  126: #endif /* HAVE_LIBINTL_H */