2 * Copyright (C) 2014 Marin Hannache <ipxe@mareo.fr>.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24 #include <ipxe/nfs_uri.h>
28 * Network File System protocol URI handling functions
32 int nfs_uri_init ( struct nfs_uri *nfs_uri, const struct uri *uri ) {
33 if ( ! ( nfs_uri->mountpoint = strdup ( uri->path ) ) )
36 nfs_uri->filename = basename ( nfs_uri->mountpoint );
37 if ( strchr ( uri->path, '/' ) != NULL )
38 nfs_uri->mountpoint = dirname ( nfs_uri->mountpoint );
40 if ( nfs_uri->filename[0] == '\0' ) {
41 free ( nfs_uri->mountpoint );
45 if ( ! ( nfs_uri->path = strdup ( nfs_uri->filename ) ) ) {
46 free ( nfs_uri->mountpoint );
49 nfs_uri->lookup_pos = nfs_uri->path;
54 char *nfs_uri_mountpoint ( const struct nfs_uri *uri ) {
55 if ( uri->mountpoint + 1 == uri->filename ||
56 uri->mountpoint == uri->filename )
59 return uri->mountpoint;
62 int nfs_uri_next_mountpoint ( struct nfs_uri *uri ) {
65 if ( uri->mountpoint + 1 == uri->filename ||
66 uri->mountpoint == uri->filename )
69 sep = strrchr ( uri->mountpoint, '/' );
70 uri->filename[-1] = '/';
71 uri->filename = sep + 1;
75 if ( ! ( uri->path = strdup ( uri->filename ) ) ) {
79 uri->lookup_pos = uri->path;
84 int nfs_uri_symlink ( struct nfs_uri *uri, const char *symlink ) {
91 if ( *symlink == '/' )
93 if ( strncmp ( symlink, uri->mountpoint,
94 strlen ( uri->mountpoint ) ) != 0 )
97 len = strlen ( uri->lookup_pos ) + strlen ( symlink ) - \
98 strlen ( uri->mountpoint );
99 if ( ! ( new_path = malloc ( len * sizeof ( char ) ) ) )
102 strcpy ( new_path, symlink + strlen ( uri->mountpoint ) );
103 strcpy ( new_path + strlen ( new_path ), uri->lookup_pos );
106 len = strlen ( uri->lookup_pos ) + strlen ( symlink );
107 if ( ! ( new_path = malloc ( len * sizeof ( char ) ) ) )
111 strcpy ( new_path, symlink );
112 strcpy ( new_path + strlen ( new_path ), uri->lookup_pos );
116 uri->lookup_pos = uri->path = new_path;
121 char *nfs_uri_next_path_component ( struct nfs_uri *uri ) {
128 for ( sep = uri->lookup_pos ; *sep != '\0' && *sep != '/'; sep++ )
131 start = uri->lookup_pos;
132 uri->lookup_pos = sep;
133 if ( *sep != '\0' ) {
136 if ( *start == '\0' )
137 return nfs_uri_next_path_component ( uri );
143 void nfs_uri_free ( struct nfs_uri *uri ) {
144 free ( uri->mountpoint );
146 uri->mountpoint = NULL;