/**
* Duplicate URI
*
* @v uri URI
* @ret uri Duplicate URI
*
* Creates a modifiable copy of a URI.
*/
struct uri * uri_dup ( struct uri *uri ) {
size_t len = ( unparse_uri ( NULL, 0, uri ) + 1 );
char buf[len];
unparse_uri ( buf, len, uri );
return parse_uri ( buf );
}
/**
* Fetch an image
*
* @v uri_string URI as a string (e.g. "http://www.nowhere.com/vmlinuz")
* @v name Name for image, or NULL
* @v register_image Image registration routine
* @ret rc Return status code
*/
int imgfetch ( struct image *image, const char *uri_string,
int ( * image_register ) ( struct image *image ) ) {
char uri_string_redacted[ strlen ( uri_string ) + 3 /* "***" */
+ 1 /* NUL */ ];
struct uri *uri;
const char *password;
int rc;
if ( ! ( uri = parse_uri ( uri_string ) ) )
return -ENOMEM;
image_set_uri ( image, uri );
/* Redact password portion of URI, if necessary */
password = uri->password;
if ( password )
uri->password = "******";
unparse_uri ( uri_string_redacted, sizeof ( uri_string_redacted ),
uri, URI_ALL );
uri->password = password;
if ( ( rc = create_downloader ( &monojob, image, image_register,
LOCATION_URI, uri ) ) == 0 )
rc = monojob_wait ( uri_string_redacted );
uri_put ( uri );
return rc;
}
static int test_parse_unparse ( const char *uri_string ) {
char buf[URI_MAX_LEN];
size_t len;
struct uri *uri = NULL;
int rc;
/* Parse and unparse URI */
uri = parse_uri ( uri_string );
if ( ! uri ) {
rc = -ENOMEM;
goto done;
}
len = unparse_uri ( buf, sizeof ( buf ), uri, URI_ALL );
/* Compare result */
if ( strcmp ( buf, uri_string ) != 0 ) {
printf ( "Unparse of \"%s\" produced \"%s\"\n",
uri_string, buf );
rc = -EINVAL;
goto done;
}
rc = 0;
done:
uri_put ( uri );
if ( rc ) {
printf ( "URI parse-unparse of \"%s\" failed: %s\n",
uri_string, strerror ( rc ) );
}
return rc;
}
static int test_resolve ( const char *base_uri_string,
const char *relative_uri_string,
const char *resolved_uri_string ) {
struct uri *base_uri = NULL;
struct uri *relative_uri = NULL;
struct uri *resolved_uri = NULL;
char buf[URI_MAX_LEN];
size_t len;
int rc;
/* Parse URIs */
base_uri = parse_uri ( base_uri_string );
if ( ! base_uri ) {
rc = -ENOMEM;
goto done;
}
relative_uri = parse_uri ( relative_uri_string );
if ( ! relative_uri ) {
rc = -ENOMEM;
goto done;
}
/* Resolve URI */
resolved_uri = resolve_uri ( base_uri, relative_uri );
if ( ! resolved_uri ) {
rc = -ENOMEM;
goto done;
}
/* Compare result */
len = unparse_uri ( buf, sizeof ( buf ), resolved_uri, URI_ALL );
if ( strcmp ( buf, resolved_uri_string ) != 0 ) {
printf ( "Resolution of \"%s\"+\"%s\" produced \"%s\"\n",
base_uri_string, relative_uri_string, buf );
rc = -EINVAL;
goto done;
}
rc = 0;
done:
uri_put ( base_uri );
uri_put ( relative_uri );
uri_put ( resolved_uri );
if ( rc ) {
printf ( "URI resolution of \"%s\"+\"%s\" failed: %s\n",
base_uri_string, relative_uri_string,
strerror ( rc ) );
}
return rc;
}