* [PATCH] Cygwin: normalize_posix_path: fix error handling when .. is encountered
@ 2021-01-20 15:40 Ken Brown
2021-01-22 9:44 ` Corinna Vinschen
0 siblings, 1 reply; 2+ messages in thread
From: Ken Brown @ 2021-01-20 15:40 UTC (permalink / raw)
To: cygwin-patches
When .. is in the source path and the path prefix exists but is not a
directory, return ENOTDIR instead of ENOENT. This fixes a failing
gnulib test of realpath(3).
Addresses: https://lists.gnu.org/archive/html/bug-gnulib/2021-01/msg00214.html
---
winsup/cygwin/path.cc | 4 +++-
winsup/cygwin/release/3.2.0 | 4 ++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
index abd3687df..6dc162806 100644
--- a/winsup/cygwin/path.cc
+++ b/winsup/cygwin/path.cc
@@ -323,8 +323,10 @@ normalize_posix_path (const char *src, char *dst, char *&tail)
if (!tp.check_usage (4, 3))
return ELOOP;
path_conv head (dst, PC_SYM_FOLLOW | PC_POSIX);
- if (!head.isdir())
+ if (!head.exists ())
return ENOENT;
+ if (!head.isdir ())
+ return ENOTDIR;
/* At this point, dst is a normalized path. If the
normalized path created by path_conv does not
match the normalized path we're just testing, then
diff --git a/winsup/cygwin/release/3.2.0 b/winsup/cygwin/release/3.2.0
index c18a848de..43725cec2 100644
--- a/winsup/cygwin/release/3.2.0
+++ b/winsup/cygwin/release/3.2.0
@@ -48,3 +48,7 @@ Bug Fixes
- Fix a bug in fstatat(2) on 32 bit that could cause it to return garbage.
Addresses: https://cygwin.com/pipermail/cygwin/2021-January/247399.html
+
+- Fix the errno when a path contains .. and the prefix exists but is
+ not a directory.
+ Addresses: https://lists.gnu.org/archive/html/bug-gnulib/2021-01/msg00214.html
--
2.30.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] Cygwin: normalize_posix_path: fix error handling when .. is encountered
2021-01-20 15:40 [PATCH] Cygwin: normalize_posix_path: fix error handling when .. is encountered Ken Brown
@ 2021-01-22 9:44 ` Corinna Vinschen
0 siblings, 0 replies; 2+ messages in thread
From: Corinna Vinschen @ 2021-01-22 9:44 UTC (permalink / raw)
To: cygwin-patches
On Jan 20 10:40, Ken Brown via Cygwin-patches wrote:
> When .. is in the source path and the path prefix exists but is not a
> directory, return ENOTDIR instead of ENOENT. This fixes a failing
> gnulib test of realpath(3).
>
> Addresses: https://lists.gnu.org/archive/html/bug-gnulib/2021-01/msg00214.html
> ---
> winsup/cygwin/path.cc | 4 +++-
> winsup/cygwin/release/3.2.0 | 4 ++++
> 2 files changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
> index abd3687df..6dc162806 100644
> --- a/winsup/cygwin/path.cc
> +++ b/winsup/cygwin/path.cc
> @@ -323,8 +323,10 @@ normalize_posix_path (const char *src, char *dst, char *&tail)
> if (!tp.check_usage (4, 3))
> return ELOOP;
> path_conv head (dst, PC_SYM_FOLLOW | PC_POSIX);
> - if (!head.isdir())
> + if (!head.exists ())
> return ENOENT;
> + if (!head.isdir ())
> + return ENOTDIR;
> /* At this point, dst is a normalized path. If the
> normalized path created by path_conv does not
> match the normalized path we're just testing, then
> diff --git a/winsup/cygwin/release/3.2.0 b/winsup/cygwin/release/3.2.0
> index c18a848de..43725cec2 100644
> --- a/winsup/cygwin/release/3.2.0
> +++ b/winsup/cygwin/release/3.2.0
> @@ -48,3 +48,7 @@ Bug Fixes
>
> - Fix a bug in fstatat(2) on 32 bit that could cause it to return garbage.
> Addresses: https://cygwin.com/pipermail/cygwin/2021-January/247399.html
> +
> +- Fix the errno when a path contains .. and the prefix exists but is
> + not a directory.
> + Addresses: https://lists.gnu.org/archive/html/bug-gnulib/2021-01/msg00214.html
> --
> 2.30.0
Ok, please push.
Thanks,
Corinna
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