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* attachments.samba.org is down, and we should not depend on it anyway.

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svn path=/nixpkgs/trunk/; revision=29996
This commit is contained in:
Eelco Dolstra 2011-10-24 17:22:10 +00:00
parent cb823d1c08
commit 215e6d0c7d
2 changed files with 148 additions and 4 deletions
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5
pkgs/servers/samba/default.nix
View File

@ -30,10 +30,7 @@ stdenv.mkDerivation rec {
patches =
[ # Fix for https://bugzilla.samba.org/show_bug.cgi?id=8541.
(fetchurl {
url = https://attachments.samba.org/attachment.cgi?id=7018;
sha256 = "1fmq0dx7r09pf6gdw1bcigmnx36yb80xcrh7jv0yv9m1w8m3l2w9";
})
./readlink.patch
];
buildInputs = [ readline pam openldap popt iniparser libunwind fam acl cups ]

147
pkgs/servers/samba/readlink.patch Executable file
View File

@ -0,0 +1,147 @@
diff --git a/source3/include/smb.h b/source3/include/smb.h
index 3a64af7..549ebb2 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -1714,6 +1714,7 @@ struct smb_file_time {
#define UCF_ALWAYS_ALLOW_WCARD_LCOMP 0x00000002
#define UCF_COND_ALLOW_WCARD_LCOMP 0x00000004
#define UCF_POSIX_PATHNAMES 0x00000008
+#define UCF_UNIX_NAME_LOOKUP 0x00000010
/*
* smb_filename
diff --git a/source3/smbd/filename.c b/source3/smbd/filename.c
index 25301e6..691a779 100644
--- a/source3/smbd/filename.c
+++ b/source3/smbd/filename.c
@@ -977,26 +977,39 @@ NTSTATUS unix_convert(TALLOC_CTX *ctx,
}
/****************************************************************************
- Check a filename - possibly calling check_reduced_name.
- This is called by every routine before it allows an operation on a filename.
- It does any final confirmation necessary to ensure that the filename is
- a valid one for the user to access.
+ Ensure a path is not vetod.
****************************************************************************/
-NTSTATUS check_name(connection_struct *conn, const char *name)
+NTSTATUS check_veto_path(connection_struct *conn, const char *name)
{
if (IS_VETO_PATH(conn, name)) {
/* Is it not dot or dot dot. */
- if (!((name[0] == '.') && (!name[1] ||
- (name[1] == '.' && !name[2])))) {
- DEBUG(5,("check_name: file path name %s vetoed\n",
+ if (!(ISDOT(name) || ISDOTDOT(name))) {
+ DEBUG(5,("check_veto_path: file path name %s vetoed\n",
name));
return map_nt_error_from_unix(ENOENT);
}
}
+ return NT_STATUS_OK;
+}
+
+/****************************************************************************
+ Check a filename - possibly calling check_reduced_name.
+ This is called by every routine before it allows an operation on a filename.
+ It does any final confirmation necessary to ensure that the filename is
+ a valid one for the user to access.
+****************************************************************************/
+
+NTSTATUS check_name(connection_struct *conn, const char *name)
+{
+ NTSTATUS status = check_veto_path(conn, name);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
if (!lp_widelinks(SNUM(conn)) || !lp_symlinks(SNUM(conn))) {
- NTSTATUS status = check_reduced_name(conn,name);
+ status = check_reduced_name(conn,name);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(5,("check_name: name %s failed with %s\n",name,
nt_errstr(status)));
@@ -1314,6 +1327,12 @@ NTSTATUS filename_convert(TALLOC_CTX *ctx,
return status;
}
+ if ((ucf_flags & UCF_UNIX_NAME_LOOKUP) &&
+ VALID_STAT((*pp_smb_fname)->st) &&
+ S_ISLNK((*pp_smb_fname)->st.st_ex_mode)) {
+ return check_veto_path(conn, (*pp_smb_fname)->base_name);
+ }
+
status = check_name(conn, (*pp_smb_fname)->base_name);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3,("filename_convert: check_name failed "
diff --git a/source3/smbd/proto.h b/source3/smbd/proto.h
index c455ffe..1e5d891 100644
--- a/source3/smbd/proto.h
+++ b/source3/smbd/proto.h
@@ -336,6 +336,7 @@ NTSTATUS unix_convert(TALLOC_CTX *ctx,
const char *orig_path,
struct smb_filename **smb_fname,
uint32_t ucf_flags);
+NTSTATUS check_veto_path(connection_struct *conn, const char *name);
NTSTATUS check_name(connection_struct *conn, const char *name);
int get_real_filename(connection_struct *conn, const char *path,
const char *name, TALLOC_CTX *mem_ctx,
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c
index 0931fff..284635d 100644
--- a/source3/smbd/trans2.c
+++ b/source3/smbd/trans2.c
@@ -2271,6 +2271,7 @@ static void call_trans2findfirst(connection_struct *conn,
TALLOC_CTX *ctx = talloc_tos();
struct dptr_struct *dirptr = NULL;
struct smbd_server_connection *sconn = req->sconn;
+ uint32_t ucf_flags = (UCF_SAVE_LCOMP | UCF_ALWAYS_ALLOW_WCARD_LCOMP);
if (total_params < 13) {
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
@@ -2314,6 +2315,7 @@ close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
reply_nterror(req, NT_STATUS_INVALID_LEVEL);
goto out;
}
+ ucf_flags |= UCF_UNIX_NAME_LOOKUP;
break;
default:
reply_nterror(req, NT_STATUS_INVALID_LEVEL);
@@ -5103,6 +5105,7 @@ static void call_trans2qfilepathinfo(connection_struct *conn,
} else {
uint32_t name_hash;
char *fname = NULL;
+ uint32_t ucf_flags = 0;
/* qpathinfo */
if (total_params < 7) {
@@ -5114,9 +5117,16 @@ static void call_trans2qfilepathinfo(connection_struct *conn,
DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
- if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
- reply_nterror(req, NT_STATUS_INVALID_LEVEL);
- return;
+ if (INFO_LEVEL_IS_UNIX(info_level)) {
+ if (!lp_unix_extensions()) {
+ reply_nterror(req, NT_STATUS_INVALID_LEVEL);
+ return;
+ }
+ if (info_level == SMB_QUERY_FILE_UNIX_BASIC ||
+ info_level == SMB_QUERY_FILE_UNIX_INFO2 ||
+ info_level == SMB_QUERY_FILE_UNIX_LINK) {
+ ucf_flags |= UCF_UNIX_NAME_LOOKUP;
+ }
}
srvstr_get_path(req, params, req->flags2, &fname, &params[6],
@@ -5131,7 +5141,7 @@ static void call_trans2qfilepathinfo(connection_struct *conn,
conn,
req->flags2 & FLAGS2_DFS_PATHNAMES,
fname,
- 0,
+ ucf_flags,
NULL,
&smb_fname);
if (!NT_STATUS_IS_OK(status)) {