You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
190 lines
6.9 KiB
190 lines
6.9 KiB
commit c66c92181ddbd82306537a608e8c0282587131de
|
|
Author: DJ Delorie <dj@redhat.com>
|
|
Date: Wed Mar 30 17:44:02 2022 -0400
|
|
|
|
posix/glob.c: update from gnulib
|
|
|
|
Copied from gnulib/lib/glob.c in order to fix rhbz 1982608
|
|
Also fixes swbz 25659
|
|
|
|
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
|
|
Tested-by: Carlos O'Donell <carlos@redhat.com>
|
|
(cherry picked from commit 7c477b57a31487eda516db02b9e04f22d1a6e6af)
|
|
|
|
diff --git a/posix/glob.c b/posix/glob.c
|
|
index 593a4c358f3d42e5..6af310a1aa31401a 100644
|
|
--- a/posix/glob.c
|
|
+++ b/posix/glob.c
|
|
@@ -21,13 +21,14 @@
|
|
optimizes away the pattern == NULL test below. */
|
|
# define _GL_ARG_NONNULL(params)
|
|
|
|
-# include <config.h>
|
|
+# include <libc-config.h>
|
|
|
|
#endif
|
|
|
|
#include <glob.h>
|
|
|
|
#include <errno.h>
|
|
+#include <fcntl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <stdbool.h>
|
|
@@ -56,6 +57,8 @@
|
|
# define sysconf(id) __sysconf (id)
|
|
# define closedir(dir) __closedir (dir)
|
|
# define opendir(name) __opendir (name)
|
|
+# undef dirfd
|
|
+# define dirfd(str) __dirfd (str)
|
|
# define readdir(str) __readdir64 (str)
|
|
# define getpwnam_r(name, bufp, buf, len, res) \
|
|
__getpwnam_r (name, bufp, buf, len, res)
|
|
@@ -69,11 +72,8 @@
|
|
# ifndef GLOB_LSTAT
|
|
# define GLOB_LSTAT gl_lstat
|
|
# endif
|
|
-# ifndef GLOB_STAT64
|
|
-# define GLOB_STAT64 __stat64
|
|
-# endif
|
|
-# ifndef GLOB_LSTAT64
|
|
-# define GLOB_LSTAT64 __lstat64
|
|
+# ifndef GLOB_FSTATAT64
|
|
+# define GLOB_FSTATAT64 __fstatat64
|
|
# endif
|
|
# include <shlib-compat.h>
|
|
#else /* !_LIBC */
|
|
@@ -88,8 +88,7 @@
|
|
# define struct_stat struct stat
|
|
# define struct_stat64 struct stat
|
|
# define GLOB_LSTAT gl_lstat
|
|
-# define GLOB_STAT64 stat
|
|
-# define GLOB_LSTAT64 lstat
|
|
+# define GLOB_FSTATAT64 fstatat
|
|
#endif /* _LIBC */
|
|
|
|
#include <fnmatch.h>
|
|
@@ -215,7 +214,8 @@ glob_lstat (glob_t *pglob, int flags, const char *fullname)
|
|
} ust;
|
|
return (__glibc_unlikely (flags & GLOB_ALTDIRFUNC)
|
|
? pglob->GLOB_LSTAT (fullname, &ust.st)
|
|
- : GLOB_LSTAT64 (fullname, &ust.st64));
|
|
+ : GLOB_FSTATAT64 (AT_FDCWD, fullname, &ust.st64,
|
|
+ AT_SYMLINK_NOFOLLOW));
|
|
}
|
|
|
|
/* Set *R = A + B. Return true if the answer is mathematically
|
|
@@ -257,7 +257,8 @@ is_dir (char const *filename, int flags, glob_t const *pglob)
|
|
struct_stat64 st64;
|
|
return (__glibc_unlikely (flags & GLOB_ALTDIRFUNC)
|
|
? pglob->gl_stat (filename, &st) == 0 && S_ISDIR (st.st_mode)
|
|
- : GLOB_STAT64 (filename, &st64) == 0 && S_ISDIR (st64.st_mode));
|
|
+ : (GLOB_FSTATAT64 (AT_FDCWD, filename, &st64, 0) == 0
|
|
+ && S_ISDIR (st64.st_mode)));
|
|
}
|
|
|
|
/* Find the end of the sub-pattern in a brace expression. */
|
|
@@ -747,6 +748,8 @@ __glob (const char *pattern, int flags, int (*errfunc) (const char *, int),
|
|
else
|
|
{
|
|
#ifndef WINDOWS32
|
|
+ /* Recognize ~user as a shorthand for the specified user's home
|
|
+ directory. */
|
|
char *end_name = strchr (dirname, '/');
|
|
char *user_name;
|
|
int malloc_user_name = 0;
|
|
@@ -885,7 +888,22 @@ __glob (const char *pattern, int flags, int (*errfunc) (const char *, int),
|
|
}
|
|
scratch_buffer_free (&pwtmpbuf);
|
|
}
|
|
-#endif /* !WINDOWS32 */
|
|
+#else /* WINDOWS32 */
|
|
+ /* On native Windows, access to a user's home directory
|
|
+ (via GetUserProfileDirectory) or to a user's environment
|
|
+ variables (via ExpandEnvironmentStringsForUser) requires
|
|
+ the credentials of the user. Therefore we cannot support
|
|
+ the ~user syntax on this platform.
|
|
+ Handling ~user specially (and treat it like plain ~) if
|
|
+ user is getenv ("USERNAME") would not be a good idea,
|
|
+ since it would make people think that ~user is supported
|
|
+ in general. */
|
|
+ if (flags & GLOB_TILDE_CHECK)
|
|
+ {
|
|
+ retval = GLOB_NOMATCH;
|
|
+ goto out;
|
|
+ }
|
|
+#endif /* WINDOWS32 */
|
|
}
|
|
}
|
|
|
|
@@ -1266,6 +1284,8 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
|
|
{
|
|
size_t dirlen = strlen (directory);
|
|
void *stream = NULL;
|
|
+ struct scratch_buffer s;
|
|
+ scratch_buffer_init (&s);
|
|
# define GLOBNAMES_MEMBERS(nnames) \
|
|
struct globnames *next; size_t count; char *name[nnames];
|
|
struct globnames { GLOBNAMES_MEMBERS (FLEXIBLE_ARRAY_MEMBER) };
|
|
@@ -1337,6 +1357,7 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
|
|
}
|
|
else
|
|
{
|
|
+ int dfd = dirfd (stream);
|
|
int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0)
|
|
| ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0));
|
|
flags |= GLOB_MAGCHAR;
|
|
@@ -1364,8 +1385,32 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
|
|
if (flags & GLOB_ONLYDIR)
|
|
switch (readdir_result_type (d))
|
|
{
|
|
- case DT_DIR: case DT_LNK: case DT_UNKNOWN: break;
|
|
default: continue;
|
|
+ case DT_DIR: break;
|
|
+ case DT_LNK: case DT_UNKNOWN:
|
|
+ /* The filesystem was too lazy to give us a hint,
|
|
+ so we have to do it the hard way. */
|
|
+ if (__glibc_unlikely (dfd < 0 || flags & GLOB_ALTDIRFUNC))
|
|
+ {
|
|
+ size_t namelen = strlen (d.name);
|
|
+ size_t need = dirlen + 1 + namelen + 1;
|
|
+ if (s.length < need
|
|
+ && !scratch_buffer_set_array_size (&s, need, 1))
|
|
+ goto memory_error;
|
|
+ char *p = mempcpy (s.data, directory, dirlen);
|
|
+ *p = '/';
|
|
+ p += p[-1] != '/';
|
|
+ memcpy (p, d.name, namelen + 1);
|
|
+ if (! is_dir (s.data, flags, pglob))
|
|
+ continue;
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ struct_stat64 st64;
|
|
+ if (! (GLOB_FSTATAT64 (dfd, d.name, &st64, 0) == 0
|
|
+ && S_ISDIR (st64.st_mode)))
|
|
+ continue;
|
|
+ }
|
|
}
|
|
|
|
if (fnmatch (pattern, d.name, fnm_flags) == 0)
|
|
@@ -1497,5 +1542,6 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
|
|
__set_errno (save);
|
|
}
|
|
|
|
+ scratch_buffer_free (&s);
|
|
return result;
|
|
}
|
|
diff --git a/sysdeps/unix/sysv/linux/glob64-time64.c b/sysdeps/unix/sysv/linux/glob64-time64.c
|
|
index a465f70905e5a8a3..95efe4c4f4624967 100644
|
|
--- a/sysdeps/unix/sysv/linux/glob64-time64.c
|
|
+++ b/sysdeps/unix/sysv/linux/glob64-time64.c
|
|
@@ -37,6 +37,7 @@
|
|
# define GLOB_LSTAT gl_lstat
|
|
# define GLOB_STAT64 __stat64_time64
|
|
# define GLOB_LSTAT64 __lstat64_time64
|
|
+# define GLOB_FSTATAT64 __fstatat64_time64
|
|
|
|
# define COMPILE_GLOB64 1
|
|
|