| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al. |
| * |
| * This software is licensed as described in the file COPYING, which |
| * you should have received as part of this distribution. The terms |
| * are also available at https://curl.haxx.se/docs/copyright.html. |
| * |
| * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
| * copies of the Software, and permit persons to whom the Software is |
| * furnished to do so, under the terms of the COPYING file. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ***************************************************************************/ |
| #include "tool_setup.h" |
| |
| #ifdef HAVE_PWD_H |
| # include <pwd.h> |
| #endif |
| |
| #include "tool_homedir.h" |
| |
| #include "memdebug.h" /* keep this as LAST include */ |
| |
| static char *GetEnv(const char *variable, char do_expand) |
| { |
| char *env = NULL; |
| #ifdef WIN32 |
| char buf1[1024], buf2[1024]; |
| DWORD rc; |
| |
| /* Don't use getenv(); it doesn't find variable added after program was |
| * started. Don't accept truncated results (i.e. rc >= sizeof(buf1)). */ |
| |
| rc = GetEnvironmentVariableA(variable, buf1, sizeof(buf1)); |
| if(rc > 0 && rc < sizeof(buf1)) { |
| env = buf1; |
| variable = buf1; |
| } |
| if(do_expand && strchr(variable, '%')) { |
| /* buf2 == variable if not expanded */ |
| rc = ExpandEnvironmentStringsA(variable, buf2, sizeof(buf2)); |
| if(rc > 0 && rc < sizeof(buf2) && |
| !strchr(buf2, '%')) /* no vars still unexpanded */ |
| env = buf2; |
| } |
| #else |
| (void)do_expand; |
| /* no length control */ |
| env = getenv(variable); |
| #endif |
| return (env && env[0]) ? strdup(env) : NULL; |
| } |
| |
| /* return the home directory of the current user as an allocated string */ |
| char *homedir(void) |
| { |
| char *home; |
| |
| home = GetEnv("CURL_HOME", FALSE); |
| if(home) |
| return home; |
| |
| home = GetEnv("HOME", FALSE); |
| if(home) |
| return home; |
| |
| #if defined(HAVE_GETPWUID) && defined(HAVE_GETEUID) |
| { |
| struct passwd *pw = getpwuid(geteuid()); |
| |
| if(pw) { |
| home = pw->pw_dir; |
| if(home && home[0]) |
| home = strdup(home); |
| else |
| home = NULL; |
| } |
| } |
| #endif /* PWD-stuff */ |
| #ifdef WIN32 |
| home = GetEnv("APPDATA", TRUE); |
| if(!home) |
| home = GetEnv("%USERPROFILE%\\Application Data", TRUE); /* Normally only |
| on Win-2K/XP */ |
| #endif /* WIN32 */ |
| return home; |
| } |