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[uri] Avoid interpreting DOS-style path names as opaque URIs

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A DOS-style full path name such as "C:\Program Files\tftpboot\nbp.0"
satisfies the syntax requirements for a URI with a scheme of "C" and
an opaque portion of "\Program Files\tftpboot\nbp.0".

Add a check in parse_uri() to ignore schemes that are apparently only
a single character long; this avoids interpreting DOS-style paths in
this way, and shouldn't affect any practical URI scheme.
This commit is contained in:
Michael Brown 2008-10-24 04:08:43 +01:00
parent d4c8273569
commit 3fe6bede74
1 changed files with 6 additions and 2 deletions
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8
src/core/uri.c
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@ -92,8 +92,12 @@ struct uri * parse_uri ( const char *uri_string ) {
uri->fragment = tmp;
}
/* Identify absolute/relative URI */
if ( ( tmp = strchr ( raw, ':' ) ) ) {
/* Identify absolute/relative URI. We ignore schemes that are
* apparently only a single character long, since otherwise we
* misinterpret a DOS-style path name ("C:\path\to\file") as a
* URI with scheme="C",opaque="\path\to\file".
*/
if ( ( tmp = strchr ( raw, ':' ) ) && ( tmp > ( raw + 1 ) ) ) {
/* Absolute URI: identify hierarchical/opaque */
uri->scheme = raw;
*(tmp++) = '\0';