shell/source/unix/misc/gnome-open-url.c

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   5  * Copyright 2008 by Sun Microsystems, Inc.
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   9  * $RCSfile: gnome-open-url.c,v $
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  30
  31 #include <stdlib.h>
  32 #include <stdio.h>
  33 #include <dlfcn.h>
  34 #include <string.h>
  35 #include <unistd.h>
  36
  37 typedef int   gboolean;
  38 typedef char  gchar;
  39 typedef struct _GError GError;
  40
  41 struct _GError
  42 {
  43   int domain;
  44   int code;
  45   char *message;
  46 };
  47
  48 typedef enum {
  49   GNOME_VFS_OK
  50 } GnomeVFSResult;
  51
  52
  53 /*
  54  * HACK: avoid error messages caused by not setting a GNOME program name
  55  */
  56
  57 gchar* gnome_gconf_get_gnome_libs_settings_relative (const gchar *subkey)
  58 {
  59     void* handle = dlopen("libglib-2.0.so.0", RTLD_LAZY);
  60
  61     (void)subkey; /* avoid warning due to unused parameter */
  62
  63     if( NULL != handle )
  64     {
  65         gchar* (* g_strdup)(const gchar*) = (gchar* (*)(const gchar*)) dlsym(handle, "g_strdup");
  66
  67         if( NULL != g_strdup)
  68             return g_strdup("/apps/gnome-settings/gnome-open-url");
  69     }
  70
  71     return NULL;
  72 }
  73
  74 /*
  75  * Wrapper function which extracs gnome_url_show from libgnome
  76  */
  77
  78 gboolean gnome_url_show (const char *url, GError **error)
  79 {
  80     void* handle = dlopen("libgnomevfs-2.so.0", RTLD_LAZY);
  81     gboolean ret = 0;
  82
  83     (void)error; /* avoid warning due to unused parameter */
  84
  85     if( NULL != handle )
  86     {
  87         gboolean (* init) (void) =
  88             (gboolean (*) (void)) dlsym(handle, "gnome_vfs_init");
  89
  90         if( NULL != init && init() )
  91         {
  92             GnomeVFSResult (* func) (const char *url) =
  93                 (GnomeVFSResult (*) (const char *)) dlsym(handle, "gnome_vfs_url_show");
  94
  95             if( NULL != func )
  96                 ret = (GNOME_VFS_OK == func(url));
  97         }
  98
  99         dlclose(handle);
 100     }
 101
 102     return ret;
 103 }
 104
 105 /*
 106  * The intended use of this tool is to pass the argument to
 107  * the gnome_show_url function of libgnome2.
 108  */
 109
 110 int main(int argc, char *argv[] )
 111 {
 112     GError *error = NULL;
 113     char *fallback;
 114     char *index;
 115
 116     if( argc != 2 )
 117     {
 118         fprintf( stderr, "Usage: gnome-open-url <uri>\n" );
 119         return -1;
 120     }
 121
 122     if( gnome_url_show(argv[1], &error) )
 123     {
 124         return 0;
 125     }
 126
 127     /*
 128      * launch open-url command by replacing gnome-open-url from
 129      * the command line. This is the fallback when running on
 130      * remote machines with no GNOME installed.
 131      */
 132
 133     fallback = strdup(argv[0]);
 134     index = strstr(fallback, "gnome-open-url");
 135     if ( NULL != index )
 136     {
 137         char *args[3];
 138         strncpy(index, "open-url", 9);
 139         args[0] = fallback;
 140         args[1] = argv[1];
 141         args[2] = NULL;
 142         return execv(fallback, args);
 143     }
 144
 145     return -1;
 146 }
 147
 148
 149