122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id$
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***************************************************************************/
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#include "setup.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_PWD_H
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#include <pwd.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef VMS
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#include <unixlib.h>
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#endif
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#include "homedir.h"
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#if defined(CURLDEBUG) && defined(CURLTOOLDEBUG)
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#include "memdebug.h"
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#endif
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static
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char *GetEnv(const char *variable, char do_expand)
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{
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char *env = NULL;
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#ifdef WIN32
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char buf1[1024], buf2[1024];
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DWORD rc;
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/* Don't use getenv(); it doesn't find variable added after program was
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* started. Don't accept truncated results (i.e. rc >= sizeof(buf1)). */
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rc = GetEnvironmentVariable(variable, buf1, sizeof(buf1));
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if (rc > 0 && rc < sizeof(buf1)) {
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env = buf1;
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variable = buf1;
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}
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if (do_expand && strchr(variable,'%')) {
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/* buf2 == variable if not expanded */
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rc = ExpandEnvironmentStrings (variable, buf2, sizeof(buf2));
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if (rc > 0 && rc < sizeof(buf2) &&
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!strchr(buf2,'%')) /* no vars still unexpanded */
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env = buf2;
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}
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#else
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(void)do_expand;
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#ifdef VMS
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env = getenv(variable);
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if (env && strcmp("HOME",variable) == 0) {
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env = decc$translate_vms(env);
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}
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#else
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/* no length control */
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env = getenv(variable);
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#endif
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#endif
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return (env && env[0])?strdup(env):NULL;
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}
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/* return the home directory of the current user as an allocated string */
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char *homedir(void)
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{
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char *home;
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home = GetEnv("CURL_HOME", FALSE);
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if(home)
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return home;
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home = GetEnv("HOME", FALSE);
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if(home)
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return home;
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#if defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
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{
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struct passwd *pw = getpwuid(geteuid());
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if (pw) {
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#ifdef VMS
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home = decc$translate_vms(pw->pw_dir);
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#else
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home = pw->pw_dir;
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#endif
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if (home && home[0])
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home = strdup(home);
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else
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home = NULL;
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}
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}
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#endif /* PWD-stuff */
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#ifdef WIN32
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home = GetEnv("APPDATA", TRUE);
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if(!home)
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home = GetEnv("%USERPROFILE%\\Application Data", TRUE); /* Normally only
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on Win-2K/XP */
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#endif /* WIN32 */
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return home;
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}
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