summaryrefslogtreecommitdiff
path: root/source3/smbd/reply.c
diff options
context:
space:
mode:
Diffstat (limited to 'source3/smbd/reply.c')
-rw-r--r--source3/smbd/reply.c160
1 files changed, 128 insertions, 32 deletions
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index 303e33cc48..2c8b768d70 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -39,21 +39,33 @@ unsigned int smb_echo_count = 0;
extern BOOL global_encrypted_passwords_negotiated;
/****************************************************************************
- Ensure we check the path in the same way as W2K.
+ Ensure we check the path in *exactly* the same way as W2K.
****************************************************************************/
-static NTSTATUS check_path_syntax(const char *name)
+NTSTATUS check_path_syntax(const char *name)
{
- while (*name == '\\')
+ while (*name == '\\' || *name == '/')
name++;
- if (strequal(name, "."))
+ if (name[0] == '.' && name[1] == '\0')
return NT_STATUS_OBJECT_NAME_INVALID;
- else if (strequal(name, ".."))
+ else if (name[0] == '.' && name[1] == '.' &&
+ (name[2] == '\\' || name [2] == '/' || name[2] == '\0'))
return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
return NT_STATUS_OK;
}
/****************************************************************************
+ Pull a string and check the path - provide for error return.
+****************************************************************************/
+
+size_t srvstr_get_path(char *inbuf, char *dest, const char *src, size_t dest_len, int flags, NTSTATUS *err)
+{
+ size_t ret = srvstr_pull_buf( inbuf, dest, src, dest_len, flags);
+ *err = check_path_syntax(dest);
+ return ret;
+}
+
+/****************************************************************************
Reply to a special message.
****************************************************************************/
@@ -402,11 +414,11 @@ int reply_chkpth(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
START_PROFILE(SMBchkpth);
- srvstr_pull_buf(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), STR_TERMINATE);
-
- status = check_path_syntax(name);
- if (!NT_STATUS_IS_OK(status))
+ srvstr_get_path(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), STR_TERMINATE, &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBchkpth);
return ERROR_NT(status);
+ }
RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
@@ -416,8 +428,10 @@ int reply_chkpth(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
if (check_name(name,conn)) {
if (VALID_STAT(sbuf) || SMB_VFS_STAT(conn,name,&sbuf) == 0)
- if (!(ok = S_ISDIR(sbuf.st_mode)))
+ if (!(ok = S_ISDIR(sbuf.st_mode))) {
+ END_PROFILE(SMBchkpth);
return ERROR_BOTH(NT_STATUS_NOT_A_DIRECTORY,ERRDOS,ERRbadpath);
+ }
}
if (!ok) {
@@ -435,13 +449,18 @@ int reply_chkpth(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
* if the path is invalid.
*/
if (bad_path) {
+ END_PROFILE(SMBchkpth);
return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
} else {
+ END_PROFILE(SMBchkpth);
return ERROR_NT(NT_STATUS_OBJECT_NAME_NOT_FOUND);
}
- } else if (errno == ENOTDIR)
+ } else if (errno == ENOTDIR) {
+ END_PROFILE(SMBchkpth);
return ERROR_NT(NT_STATUS_NOT_A_DIRECTORY);
+ }
+ END_PROFILE(SMBchkpth);
return(UNIXERROR(ERRDOS,ERRbadpath));
}
@@ -468,10 +487,16 @@ int reply_getatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
time_t mtime=0;
BOOL bad_path = False;
char *p;
+ NTSTATUS status;
+
START_PROFILE(SMBgetatr);
p = smb_buf(inbuf) + 1;
- p += srvstr_pull_buf(inbuf, fname, p, sizeof(fname), STR_TERMINATE);
+ p += srvstr_get_path(inbuf, fname, p, sizeof(fname), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBgetatr);
+ return ERROR_NT(status);
+ }
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
@@ -537,11 +562,17 @@ int reply_setatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
SMB_STRUCT_STAT sbuf;
BOOL bad_path = False;
char *p;
+ NTSTATUS status;
START_PROFILE(SMBsetatr);
p = smb_buf(inbuf) + 1;
- p += srvstr_pull_buf(inbuf, fname, p, sizeof(fname), STR_TERMINATE);
+ p += srvstr_get_path(inbuf, fname, p, sizeof(fname), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBsetatr);
+ return ERROR_NT(status);
+ }
+
unix_convert(fname,conn,0,&bad_path,&sbuf);
mode = SVAL(inbuf,smb_vwv0);
@@ -652,6 +683,7 @@ int reply_search(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
BOOL expect_close = False;
BOOL can_open = True;
BOOL bad_path = False;
+ NTSTATUS nt_status;
START_PROFILE(SMBsearch);
*mask = *directory = *fname = 0;
@@ -664,7 +696,11 @@ int reply_search(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
maxentries = SVAL(inbuf,smb_vwv0);
dirtype = SVAL(inbuf,smb_vwv1);
p = smb_buf(inbuf) + 1;
- p += srvstr_pull_buf(inbuf, path, p, sizeof(path), STR_TERMINATE);
+ p += srvstr_get_path(inbuf, path, p, sizeof(path), STR_TERMINATE,&nt_status);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ END_PROFILE(SMBsearch);
+ return ERROR_NT(nt_status);
+ }
p++;
status_len = SVAL(p, 0);
p += 2;
@@ -829,12 +865,17 @@ int reply_fclose(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
char status[21];
int dptr_num= -2;
char *p;
+ NTSTATUS err;
START_PROFILE(SMBfclose);
outsize = set_message(outbuf,1,0,True);
p = smb_buf(inbuf) + 1;
- p += srvstr_pull_buf(inbuf, path, p, sizeof(path), STR_TERMINATE);
+ p += srvstr_get_path(inbuf, path, p, sizeof(path), STR_TERMINATE,&err);
+ if (!NT_STATUS_IS_OK(err)) {
+ END_PROFILE(SMBfclose);
+ return ERROR_NT(err);
+ }
p++;
status_len = SVAL(p,0);
p += 2;
@@ -877,11 +918,16 @@ int reply_open(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
BOOL bad_path = False;
files_struct *fsp;
int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
+ NTSTATUS status;
START_PROFILE(SMBopen);
share_mode = SVAL(inbuf,smb_vwv0);
- srvstr_pull_buf(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), STR_TERMINATE);
+ srvstr_get_path(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBopen);
+ return ERROR_NT(status);
+ }
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
@@ -954,6 +1000,7 @@ int reply_open_and_X(connection_struct *conn, char *inbuf,char *outbuf,int lengt
int smb_action = 0;
BOOL bad_path = False;
files_struct *fsp;
+ NTSTATUS status;
START_PROFILE(SMBopenX);
/* If it's an IPC, pass off the pipe handler. */
@@ -968,7 +1015,11 @@ int reply_open_and_X(connection_struct *conn, char *inbuf,char *outbuf,int lengt
}
/* XXXX we need to handle passed times, sattr and flags */
- srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
+ srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBopenX);
+ return ERROR_NT(status);
+ }
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
@@ -1074,12 +1125,17 @@ int reply_mknew(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
files_struct *fsp;
int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
SMB_STRUCT_STAT sbuf;
+ NTSTATUS status;
START_PROFILE(SMBcreate);
com = SVAL(inbuf,smb_com);
createmode = SVAL(inbuf,smb_vwv0);
- srvstr_pull_buf(inbuf, fname, smb_buf(inbuf) + 1, sizeof(fname), STR_TERMINATE);
+ srvstr_get_path(inbuf, fname, smb_buf(inbuf) + 1, sizeof(fname), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBcreate);
+ return ERROR_NT(status);
+ }
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
@@ -1139,11 +1195,16 @@ int reply_ctemp(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
int tmpfd;
SMB_STRUCT_STAT sbuf;
char *p, *s;
+ NTSTATUS status;
START_PROFILE(SMBctemp);
createmode = SVAL(inbuf,smb_vwv0);
- srvstr_pull_buf(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), STR_TERMINATE);
+ srvstr_get_path(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBctemp);
+ return ERROR_NT(status);
+ }
pstrcat(fname,"\\TMXXXXXX");
RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
@@ -1235,6 +1296,7 @@ static NTSTATUS can_rename(char *fname,connection_struct *conn, SMB_STRUCT_STAT
ret = NT_STATUS_SHARING_VIOLATION;
unix_ERR_class = 0;
unix_ERR_code = 0;
+ unix_ERR_ntstatus = NT_STATUS_OK;
return ret;
}
close_file(fsp,False);
@@ -1423,12 +1485,12 @@ int reply_unlink(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
dirtype = SVAL(inbuf,smb_vwv0);
- srvstr_pull_buf(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), STR_TERMINATE);
-
- status = check_path_syntax(name);
- if (!NT_STATUS_IS_OK(status))
+ srvstr_get_path(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBunlink);
return ERROR_NT(status);
-
+ }
+
RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
DEBUG(3,("reply_unlink : %s\n",name));
@@ -2921,13 +2983,19 @@ int reply_mkdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
NTSTATUS status;
START_PROFILE(SMBmkdir);
- srvstr_pull_buf(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), STR_TERMINATE);
+ srvstr_get_path(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBmkdir);
+ return ERROR_NT(status);
+ }
RESOLVE_DFSPATH(directory, conn, inbuf, outbuf);
status = mkdir_internal(conn, directory);
- if (!NT_STATUS_IS_OK(status))
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBmkdir);
return ERROR_NT(status);
+ }
outsize = set_message(outbuf,0,0,True);
@@ -3082,9 +3150,14 @@ int reply_rmdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
BOOL ok = False;
BOOL bad_path = False;
SMB_STRUCT_STAT sbuf;
+ NTSTATUS status;
START_PROFILE(SMBrmdir);
- srvstr_pull_buf(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), STR_TERMINATE);
+ srvstr_get_path(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBrmdir);
+ return ERROR_NT(status);
+ }
RESOLVE_DFSPATH(directory, conn, inbuf, outbuf)
@@ -3579,9 +3652,17 @@ int reply_mv(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
START_PROFILE(SMBmv);
p = smb_buf(inbuf) + 1;
- p += srvstr_pull_buf(inbuf, name, p, sizeof(name), STR_TERMINATE);
+ p += srvstr_get_path(inbuf, name, p, sizeof(name), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBmv);
+ return ERROR_NT(status);
+ }
p++;
- p += srvstr_pull_buf(inbuf, newname, p, sizeof(newname), STR_TERMINATE);
+ p += srvstr_get_path(inbuf, newname, p, sizeof(newname), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBmv);
+ return ERROR_NT(status);
+ }
RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
@@ -3590,6 +3671,7 @@ int reply_mv(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
status = rename_internals(conn, name, newname, False);
if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBmv);
return ERROR_NT(status);
}
@@ -3707,14 +3789,23 @@ int reply_copy(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
BOOL bad_path2 = False;
BOOL rc = True;
SMB_STRUCT_STAT sbuf1, sbuf2;
+ NTSTATUS status;
START_PROFILE(SMBcopy);
*directory = *mask = 0;
p = smb_buf(inbuf);
- p += srvstr_pull_buf(inbuf, name, p, sizeof(name), STR_TERMINATE);
- p += srvstr_pull_buf(inbuf, newname, p, sizeof(newname), STR_TERMINATE);
+ p += srvstr_get_path(inbuf, name, p, sizeof(name), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBcopy);
+ return ERROR_NT(status);
+ }
+ p += srvstr_get_path(inbuf, newname, p, sizeof(newname), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBcopy);
+ return ERROR_NT(status);
+ }
DEBUG(3,("reply_copy : %s -> %s\n",name,newname));
@@ -3860,6 +3951,7 @@ int reply_setdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
int outsize = 0;
BOOL ok = False;
pstring newdir;
+ NTSTATUS status;
START_PROFILE(pathworks_setdir);
@@ -3869,7 +3961,11 @@ int reply_setdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
return ERROR_DOS(ERRDOS,ERRnoaccess);
}
- srvstr_pull_buf(inbuf, newdir, smb_buf(inbuf) + 1, sizeof(newdir), STR_TERMINATE);
+ srvstr_get_path(inbuf, newdir, smb_buf(inbuf) + 1, sizeof(newdir), STR_TERMINATE,&status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(pathworks_setdir);
+ return ERROR_NT(status);
+ }
if (strlen(newdir) == 0) {
ok = True;