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;