src/darwin/dirs.c

   1 /*****************************************************************************
   2  * darwin_dirs.c: Darwin directories configuration
   3  *****************************************************************************
   4  * Copyright (C) 2001-2016 VLC authors and VideoLAN
   5  * Copyright (C) 2007-2012 Rémi Denis-Courmont
   6  *
   7  * Authors: Rémi Denis-Courmont
   8  *          Felix Paul Kühne <fkuehne at videolan dot org>
   9  *          Pierre d'Herbemont <pdherbemont # videolan org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify it
  12  * under the terms of the GNU Lesser General Public License as published by
  13  * the Free Software Foundation; either version 2.1 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19  * GNU Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public License
  22  * along with this program; if not, write to the Free Software Foundation,
  23  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #include <vlc_common.h>
  31 #include "../libvlc.h"
  32
  33 #include <libgen.h>
  34 #include <dlfcn.h>
  35 #include <mach-o/dyld.h>
  36
  37 #include <CoreFoundation/CoreFoundation.h>
  38
  39 char *config_GetLibDir (void)
  40 {
  41     /* Get the full program path and name */
  42     /* First try to see if we are linked to the framework */
  43     for (unsigned i = 0; i < _dyld_image_count(); i++)
  44     {
  45         const char *psz_img_name = _dyld_get_image_name(i);
  46         const char *p = strstr( psz_img_name, "VLCKit.framework/Versions/" );
  47
  48         /* Check for "VLCKit.framework/Versions/Current/VLCKit",
  49          * as well as "VLCKit.framework/Versions/A/VLCKit" and
  50          * "VLC.framework/Versions/B/VLCKit" */
  51         if (p != NULL) {
  52             /* Look for the next forward slash */
  53             p += 26; /* p_char += strlen(" VLCKit.framework/Versions/" ) */
  54             p += strcspn( p, "/" );
  55
  56             /* If the string ends with VLCKit then we've found a winner */
  57             if (!strcmp( p, "/VLCKit"))
  58                 return strdup( dirname(psz_img_name) );
  59         }
  60
  61         /* Do we end by "VLC"? If so we are the legacy VLC.app that doesn't
  62          * link to VLCKit. */
  63         size_t len = strlen(psz_img_name);
  64         if (len >= 3 && !strcmp( psz_img_name + len - 3, "VLC"))
  65             return strdup( dirname(psz_img_name) );
  66
  67         /* Do we end by "VLC-Plugin"? oh, we must be the NPAPI plugin */
  68         if (len >= 10 && !strcmp( psz_img_name + len - 10, "VLC-Plugin"))
  69             return strdup( dirname(psz_img_name) );
  70
  71         /* Do we end by "VLC for iOS"? so we are the iOS app */
  72         if (len >= 11 && !strcmp( psz_img_name + len - 11, "VLC for iOS"))
  73             return strdup( dirname(psz_img_name) );
  74
  75         /* Do we end by "VLC-TV"? so we are the tvOS app */
  76         if (len >= 6 && !strcmp( psz_img_name + len - 6, "VLC-TV"))
  77             return strdup( dirname(psz_img_name) );
  78     }
  79
  80     /* we are not part of any Mac-style package but were installed
  81      * the UNIX way. let's trick-around a bit */
  82     Dl_info info;
  83     if (dladdr(system_Init, &info)) {
  84         char *incompletepath = strdup(dirname( (char *)info.dli_fname ));
  85         char *path = NULL;
  86         asprintf(&path, "%s/"PACKAGE, incompletepath);
  87         free(incompletepath);
  88         return path;
  89     }
  90
  91     /* should never happen */
  92     abort ();
  93 }
  94
  95 static char *config_GetDataDir(void)
  96 {
  97     const char *path = getenv ("VLC_DATA_PATH");
  98     if (path)
  99         return strdup (path);
 100
 101     char *vlcpath = config_GetLibDir ();
 102     char *datadir;
 103
 104     if (asprintf (&datadir, "%s/share", vlcpath) == -1)
 105         datadir = NULL;
 106
 107     free (vlcpath);
 108     return datadir;
 109 }
 110
 111 char *config_GetSysPath(vlc_sysdir_t type, const char *filename)
 112 {
 113     char *dir = NULL;
 114
 115     switch (type)
 116     {
 117         case VLC_PKG_DATA_DIR:
 118             dir = config_GetDataDir();
 119             break;
 120         case VLC_PKG_LIB_DIR:
 121         case VLC_PKG_LIBEXEC_DIR:
 122             dir = config_GetLibDir();
 123             break;
 124         case VLC_SYSDATA_DIR:
 125             break;
 126         case VLC_LOCALE_DIR:
 127             dir = config_GetSysPath(VLC_PKG_DATA_DIR, "locale");
 128             break;
 129         default:
 130             vlc_assert_unreachable();
 131     }
 132
 133     if (filename == NULL || unlikely(dir == NULL))
 134         return dir;
 135
 136     char *path;
 137     asprintf(&path, "%s/%s", dir, filename);
 138     free(dir);
 139     return path;
 140 }
 141
 142 static char *config_GetHomeDir (void)
 143 {
 144     const char *home = getenv ("HOME");
 145
 146     if (home == NULL)
 147         home = "/tmp";
 148
 149     return strdup (home);
 150 }
 151
 152 static char *getAppDependentDir(vlc_userdir_t type)
 153 {
 154     const char *psz_path;
 155     switch (type) {
 156         case VLC_CONFIG_DIR:
 157             psz_path = "%s/Library/Preferences/%s";
 158             break;
 159         case VLC_TEMPLATES_DIR:
 160         case VLC_USERDATA_DIR:
 161             psz_path = "%s/Library/Application Support/%s";
 162             break;
 163         case VLC_CACHE_DIR:
 164             psz_path = "%s/Library/Caches/%s";
 165             break;
 166         default:
 167             vlc_assert_unreachable();
 168             break;
 169     }
 170
 171     // Default fallback
 172     const char *fallback = "org.videolan.vlc";
 173     char *name = NULL;
 174
 175     CFBundleRef mainBundle = CFBundleGetMainBundle();
 176     if (mainBundle) {
 177         CFStringRef identifierAsNS = CFBundleGetIdentifier(mainBundle);
 178         if (identifierAsNS) {
 179             CFIndex len = CFStringGetLength(identifierAsNS);
 180             CFIndex size = CFStringGetMaximumSizeForEncoding(len, kCFStringEncodingUTF8);
 181             char *identifier = calloc(len + 1, sizeof(char));
 182             if (identifier != NULL) {
 183                 Boolean ret = CFStringGetCString(identifierAsNS, identifier, size, kCFStringEncodingUTF8);
 184                 if (ret)
 185                     name = identifier;
 186                 else
 187                     free(identifier);
 188             }
 189         }
 190     }
 191
 192     char *psz_parent = config_GetHomeDir ();
 193     char *psz_dir;
 194     if ( asprintf( &psz_dir, psz_path, psz_parent, (name) ? name : fallback) == -1 )
 195         psz_dir = NULL;
 196     free(psz_parent);
 197     free(name);
 198
 199     return psz_dir;
 200 }
 201
 202 char *config_GetUserDir (vlc_userdir_t type)
 203 {
 204     const char *psz_path;
 205     switch (type) {
 206         case VLC_CONFIG_DIR:
 207         case VLC_TEMPLATES_DIR:
 208         case VLC_USERDATA_DIR:
 209         case VLC_CACHE_DIR:
 210             return getAppDependentDir(type);
 211
 212         case VLC_DESKTOP_DIR:
 213             psz_path = "%s/Desktop";
 214             break;
 215         case VLC_DOWNLOAD_DIR:
 216             psz_path = "%s/Downloads";
 217             break;
 218         case VLC_DOCUMENTS_DIR:
 219             psz_path = "%s/Documents";
 220             break;
 221         case VLC_MUSIC_DIR:
 222             psz_path = "%s/Music";
 223             break;
 224         case VLC_PICTURES_DIR:
 225             psz_path = "%s/Pictures";
 226             break;
 227         case VLC_VIDEOS_DIR:
 228             psz_path = "%s/Movies";
 229             break;
 230         case VLC_PUBLICSHARE_DIR:
 231             psz_path = "%s/Public";
 232             break;
 233         case VLC_HOME_DIR:
 234         default:
 235             psz_path = "%s";
 236     }
 237     char *psz_parent = config_GetHomeDir();
 238     char *psz_dir;
 239     if (asprintf( &psz_dir, psz_path, psz_parent ) == -1)
 240         psz_dir = NULL;
 241     free(psz_parent);
 242     return psz_dir;
 243 }