1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 #include <stdlib.h>
25 #include <stdio.h>
26 #include <dlfcn.h>
27 #include <string.h>
28 #include <unistd.h>
29
30 typedef int gboolean;
31 typedef char gchar;
32 typedef struct _GError GError;
33
34 struct _GError
35 {
36 int domain;
37 int code;
38 char *message;
39 };
40
41 typedef enum {
42 GNOME_VFS_OK
43 } GnomeVFSResult;
44
45
46 /*
47 * HACK: avoid error messages caused by not setting a GNOME program name
48 */
49
gnome_gconf_get_gnome_libs_settings_relative(const gchar * subkey)50 gchar* gnome_gconf_get_gnome_libs_settings_relative (const gchar *subkey)
51 {
52 void* handle = dlopen("libglib-2.0.so.0", RTLD_LAZY);
53
54 (void)subkey; /* avoid warning due to unused parameter */
55
56 if( NULL != handle )
57 {
58 gchar* (* g_strdup)(const gchar*) = (gchar* (*)(const gchar*)) dlsym(handle, "g_strdup");
59
60 if( NULL != g_strdup)
61 return g_strdup("/apps/gnome-settings/gnome-open-url");
62 }
63
64 return NULL;
65 }
66
67 /*
68 * Wrapper function which extracs gnome_url_show from libgnome
69 */
70
gnome_url_show(const char * url,GError ** error)71 gboolean gnome_url_show (const char *url, GError **error)
72 {
73 void* handle = dlopen("libgnomevfs-2.so.0", RTLD_LAZY);
74 gboolean ret = 0;
75
76 (void)error; /* avoid warning due to unused parameter */
77
78 if( NULL != handle )
79 {
80 gboolean (* init) (void) =
81 (gboolean (*) (void)) dlsym(handle, "gnome_vfs_init");
82
83 if( NULL != init && init() )
84 {
85 GnomeVFSResult (* func) (const char *url) =
86 (GnomeVFSResult (*) (const char *)) dlsym(handle, "gnome_vfs_url_show");
87
88 if( NULL != func )
89 ret = (GNOME_VFS_OK == func(url));
90 }
91
92 dlclose(handle);
93 }
94
95 return ret;
96 }
97
98 /*
99 * The intended use of this tool is to pass the argument to
100 * the gnome_show_url function of libgnome2.
101 */
102
main(int argc,char * argv[])103 int main(int argc, char *argv[] )
104 {
105 GError *error = NULL;
106 char *fallback;
107 char *index;
108
109 if( argc != 2 )
110 {
111 fprintf( stderr, "Usage: gnome-open-url <uri>\n" );
112 return -1;
113 }
114
115 if( gnome_url_show(argv[1], &error) )
116 {
117 return 0;
118 }
119
120 /*
121 * launch open-url command by replacing gnome-open-url from
122 * the command line. This is the fallback when running on
123 * remote machines with no GNOME installed.
124 */
125
126 fallback = strdup(argv[0]);
127 index = strstr(fallback, "gnome-open-url");
128 if ( NULL != index )
129 {
130 char *args[3];
131 strncpy(index, "open-url", 9);
132 args[0] = fallback;
133 args[1] = argv[1];
134 args[2] = NULL;
135 return execv(fallback, args);
136 }
137
138 return -1;
139 }
140
141
142
143