Shachar Sharon 6071ea8333 vfs_ceph_new: handle case of readlinkat with empty name string ...

Commit 53c9269b (vfs_ceph_new: use low-level APIs for symlink/readlink)
introduced readlinkat using libcephfs low-level APIs. However, it does
not handle properly the case where readlinkat operates on empty name
string (see man readlinkat(2)), such as:

  fd = openat(dirfd, symname, O_PATH | O_NOFOLLOW, 0);
  readlinkat(fd, "", buf, bufsiz);

Handle this special case of readlinkat with empty name string by using
a reference to the symlink inode itself.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686

Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>

Autobuild-User(master): Anoop C S <anoopcs@samba.org>
Autobuild-Date(master): Fri Aug 30 10:42:27 UTC 2024 on atb-devel-224

(cherry picked from commit 22182f90e8e7876a9895f77e736d2b96b18b174f)

Autobuild-User(v4-21-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-21-test): Mon Sep  2 10:01:41 UTC 2024 on atb-devel-224

2024-09-02 10:01:41 +00:00

..

auth

s3:auth: allow real plaintext authentication

2024-07-17 11:17:54 +00:00

build

…

client

smbspool: let kerberos_ccache_is_valid() use smb_force_krb5_cc_default_name()

2024-05-14 10:18:32 +00:00

exports

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groupdb

s3:groupdb: Add missing newline to logging message

2023-08-08 04:39:38 +00:00

include

lib: Remove "token" parameter from set_namearray

2024-07-31 15:00:11 +00:00

intl

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lib

s3:lib: add winbind_lookup_name_ex() fallback for --without-winbind

2024-08-07 10:00:12 +00:00

libads

s3:libads: Do not print error message for a default configuration

2024-08-20 07:39:20 +00:00

libgpo/gpext

lib: Give lib/util/util_file.c its own header file

2024-04-16 23:51:45 +00:00

libnet

s3:libnet: Sync keytab during libnet_join_create_keytab()

2024-07-26 17:12:36 +00:00

librpc

s3:librpc: Fix a typo in DEBUG text

2024-07-17 07:48:31 +00:00

libsmb

s3:lib: Merge library trusts_util into library ads

2024-07-26 17:12:36 +00:00

locale

s3:utils: Fix code spelling

2023-08-08 04:39:38 +00:00

locking

smbd: Use direct struct initialization

2024-05-22 04:23:29 +00:00

modules

vfs_ceph_new: handle case of readlinkat with empty name string

2024-09-02 10:01:41 +00:00

nmbd

s3:libsmb: Pass memory context to cli_connect_nb()

2024-04-29 08:43:32 +00:00

param

loadparm: Add lp_wi_scan_share_parametrics

2024-07-31 15:00:11 +00:00

passdb

s3: Sync machine account password in secrets_{prepare,finish}_password_change

2024-07-26 17:12:36 +00:00

printing

s3:printing: Allow to run samba-bgqd as a standalone systemd service

2024-07-19 11:13:28 +00:00

profile

profile: Fix rusage reporting

2023-12-19 16:05:36 +00:00

registry

s3:registry: Use correct integer sizes

2024-07-08 07:36:32 +00:00

rpc_client

s3/rpc_client: fix handling of NT_STATUS_SOME_NOT_MAPPED

2024-07-26 10:06:31 +00:00

rpc_server

s3:rpc_server: Initialize array

2024-07-08 08:37:46 +00:00

rpcclient

s3:lib: Merge library trusts_util into library ads

2024-07-26 17:12:36 +00:00

script

source3/script: Fix installation of winbind_ctdb_updatekeytab.sh

2024-08-20 07:39:20 +00:00

selftest

selftest: Add tests for keytab update in clustered samba

2024-07-26 17:12:36 +00:00

services

s3:services: Initialize struct security_ace array

2024-07-16 11:41:33 +00:00

smbd

smb2_ioctl: fix truncated FSCTL_QUERY_ALLOCATED_RANGES responses

2024-09-02 08:31:25 +00:00

torture

lib: Remove "token" parameter from set_namearray

2024-07-31 15:00:11 +00:00

utils

s3:utils: Remove from "net ads keytab": "add", "delete" and "add_update_ads"

2024-07-26 17:12:36 +00:00

web

…

winbindd

winbindd: let LookupNames return NT_STATUS_OK and SID_NAME_UNKNOWN for unmapped names

2024-07-26 10:06:31 +00:00

.clang_complete

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.dmallocrc

Sample configuration for dmalloc.

2002-01-09 06:35:45 +00:00

.indent.pro

[GLUE] Rsync SAMBA_3_2_0 SVN r25598 in order to create the v3-2-test branch.

2007-10-10 15:34:30 -05:00

Doxyfile

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mainpage.dox

Make CodingSuggestions show up in the Doxygen pages.

2001-11-16 07:28:23 +00:00

smbadduser.in

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wscript

vfs_ceph_new: next iteration of samba-to-cephfs bridge

2024-08-13 15:37:12 +00:00

wscript_build

s3:lib: Merge library trusts_util into library ads

2024-07-26 17:12:36 +00:00

wscript_configure_system_ncurses

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